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gemini: switch to 3.3
[openwrt/openwrt.git] / target / linux / gemini / patches / 001-git_sync.patch
1 --- a/arch/arm/boot/compressed/head.S
2 +++ b/arch/arm/boot/compressed/head.S
3 @@ -9,6 +9,7 @@
4 * published by the Free Software Foundation.
5 */
6 #include <linux/linkage.h>
7 +#include <asm/cache.h>
8
9 /*
10 * Debugging stuff
11 @@ -355,7 +356,7 @@ params: ldr r0, =0x10000100 @ params_p
12 * This routine must preserve:
13 * r4, r5, r6, r7, r8
14 */
15 - .align 5
16 + .align L1_CACHE_SHIFT
17 cache_on: mov r3, #8 @ cache_on function
18 b call_cache_fn
19
20 @@ -544,7 +545,7 @@ __common_mmu_cache_on:
21 mcr p15, 0, r3, c2, c0, 0 @ load page table pointer
22 mcr p15, 0, r1, c3, c0, 0 @ load domain access control
23 b 1f
24 - .align 5 @ cache line aligned
25 + .align L1_CACHE_SHIFT @ cache line aligned
26 1: mcr p15, 0, r0, c1, c0, 0 @ load control register
27 mrc p15, 0, r0, c1, c0, 0 @ and read it back to
28 sub pc, lr, r0, lsr #32 @ properly flush pipeline
29 @@ -563,7 +564,7 @@ __common_mmu_cache_on:
30 * r8 = atags pointer
31 * r9-r12,r14 = corrupted
32 */
33 - .align 5
34 + .align L1_CACHE_SHIFT
35 reloc_start: add r9, r5, r0
36 sub r9, r9, #128 @ do not copy the stack
37 debug_reloc_start
38 @@ -793,7 +794,7 @@ proc_types:
39 * This routine must preserve:
40 * r4, r6, r7
41 */
42 - .align 5
43 + .align L1_CACHE_SHIFT
44 cache_off: mov r3, #12 @ cache_off function
45 b call_cache_fn
46
47 @@ -868,7 +869,7 @@ __armv3_mmu_cache_off:
48 * This routine must preserve:
49 * r0, r4, r5, r6, r7
50 */
51 - .align 5
52 + .align L1_CACHE_SHIFT
53 cache_clean_flush:
54 mov r3, #16
55 b call_cache_fn
56 --- a/arch/arm/Kconfig
57 +++ b/arch/arm/Kconfig
58 @@ -307,6 +307,7 @@ config ARCH_GEMINI
59 select CPU_FA526
60 select ARCH_REQUIRE_GPIOLIB
61 select ARCH_USES_GETTIMEOFFSET
62 + select PCI
63 help
64 Support for the Cortina Systems Gemini family SoCs
65
66 @@ -1164,7 +1165,7 @@ config ISA_DMA_API
67 bool
68
69 config PCI
70 - bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX
71 + bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX || ARCH_GEMINI
72 help
73 Find out whether you have a PCI motherboard. PCI is the name of a
74 bus system, i.e. the way the CPU talks to the other stuff inside
75 --- a/arch/arm/kernel/entry-armv.S
76 +++ b/arch/arm/kernel/entry-armv.S
77 @@ -23,6 +23,7 @@
78 #include <asm/unwind.h>
79 #include <asm/unistd.h>
80 #include <asm/tls.h>
81 +#include <asm/cache.h>
82
83 #include "entry-header.S"
84
85 @@ -167,7 +168,7 @@ ENDPROC(__und_invalid)
86 stmia r5, {r0 - r4}
87 .endm
88
89 - .align 5
90 + .align L1_CACHE_SHIFT
91 __dabt_svc:
92 svc_entry
93
94 @@ -215,7 +216,7 @@ __dabt_svc:
95 UNWIND(.fnend )
96 ENDPROC(__dabt_svc)
97
98 - .align 5
99 + .align L1_CACHE_SHIFT
100 __irq_svc:
101 svc_entry
102
103 @@ -259,7 +260,7 @@ svc_preempt:
104 b 1b
105 #endif
106
107 - .align 5
108 + .align L1_CACHE_SHIFT
109 __und_svc:
110 #ifdef CONFIG_KPROBES
111 @ If a kprobe is about to simulate a "stmdb sp..." instruction,
112 @@ -305,7 +306,7 @@ __und_svc:
113 UNWIND(.fnend )
114 ENDPROC(__und_svc)
115
116 - .align 5
117 + .align L1_CACHE_SHIFT
118 __pabt_svc:
119 svc_entry
120
121 @@ -341,7 +342,7 @@ __pabt_svc:
122 UNWIND(.fnend )
123 ENDPROC(__pabt_svc)
124
125 - .align 5
126 + .align L1_CACHE_SHIFT
127 .LCcralign:
128 .word cr_alignment
129 #ifdef MULTI_DABORT
130 @@ -414,7 +415,7 @@ ENDPROC(__pabt_svc)
131 #endif
132 .endm
133
134 - .align 5
135 + .align L1_CACHE_SHIFT
136 __dabt_usr:
137 usr_entry
138 kuser_cmpxchg_check
139 @@ -446,7 +447,7 @@ __dabt_usr:
140 UNWIND(.fnend )
141 ENDPROC(__dabt_usr)
142
143 - .align 5
144 + .align L1_CACHE_SHIFT
145 __irq_usr:
146 usr_entry
147 kuser_cmpxchg_check
148 @@ -475,7 +476,7 @@ ENDPROC(__irq_usr)
149
150 .ltorg
151
152 - .align 5
153 + .align L1_CACHE_SHIFT
154 __und_usr:
155 usr_entry
156
157 @@ -691,7 +692,7 @@ __und_usr_unknown:
158 b do_undefinstr
159 ENDPROC(__und_usr_unknown)
160
161 - .align 5
162 + .align L1_CACHE_SHIFT
163 __pabt_usr:
164 usr_entry
165
166 @@ -805,7 +806,7 @@ ENDPROC(__switch_to)
167 #endif
168 .endm
169
170 - .align 5
171 + .align L1_CACHE_SHIFT
172 .globl __kuser_helper_start
173 __kuser_helper_start:
174
175 @@ -845,7 +846,7 @@ __kuser_memory_barrier: @ 0xffff0fa0
176 smp_dmb
177 usr_ret lr
178
179 - .align 5
180 + .align L1_CACHE_SHIFT
181
182 /*
183 * Reference prototype:
184 @@ -972,7 +973,7 @@ kuser_cmpxchg_fixup:
185
186 #endif
187
188 - .align 5
189 + .align L1_CACHE_SHIFT
190
191 /*
192 * Reference prototype:
193 @@ -1050,7 +1051,7 @@ __kuser_helper_end:
194 * of which is copied into r0 for the mode specific abort handler.
195 */
196 .macro vector_stub, name, mode, correction=0
197 - .align 5
198 + .align L1_CACHE_SHIFT
199
200 vector_\name:
201 .if \correction
202 @@ -1181,7 +1182,7 @@ __stubs_start:
203 .long __und_invalid @ e
204 .long __und_invalid @ f
205
206 - .align 5
207 + .align L1_CACHE_SHIFT
208
209 /*=============================================================================
210 * Undefined FIQs
211 @@ -1211,7 +1212,7 @@ vector_addrexcptn:
212 * We group all the following data together to optimise
213 * for CPUs with separate I & D caches.
214 */
215 - .align 5
216 + .align L1_CACHE_SHIFT
217
218 .LCvswi:
219 .word vector_swi
220 --- a/arch/arm/kernel/entry-common.S
221 +++ b/arch/arm/kernel/entry-common.S
222 @@ -10,13 +10,14 @@
223
224 #include <asm/unistd.h>
225 #include <asm/ftrace.h>
226 +#include <asm/cache.h>
227 #include <mach/entry-macro.S>
228 #include <asm/unwind.h>
229
230 #include "entry-header.S"
231
232
233 - .align 5
234 + .align L1_CACHE_SHIFT
235 /*
236 * This is the fast syscall return path. We do as little as
237 * possible here, and this includes saving r0 back into the SVC
238 @@ -266,7 +267,7 @@ ENDPROC(ftrace_stub)
239 #define A710(code...)
240 #endif
241
242 - .align 5
243 + .align L1_CACHE_SHIFT
244 ENTRY(vector_swi)
245 sub sp, sp, #S_FRAME_SIZE
246 stmia sp, {r0 - r12} @ Calling r0 - r12
247 @@ -410,7 +411,7 @@ __sys_trace_return:
248 bl syscall_trace
249 b ret_slow_syscall
250
251 - .align 5
252 + .align L1_CACHE_SHIFT
253 #ifdef CONFIG_ALIGNMENT_TRAP
254 .type __cr_alignment, #object
255 __cr_alignment:
256 --- a/arch/arm/kernel/head.S
257 +++ b/arch/arm/kernel/head.S
258 @@ -21,6 +21,7 @@
259 #include <asm/memory.h>
260 #include <asm/thread_info.h>
261 #include <asm/system.h>
262 +#include <asm/cache.h>
263
264 #ifdef CONFIG_DEBUG_LL
265 #include <mach/debug-macro.S>
266 @@ -378,7 +379,7 @@ ENDPROC(__enable_mmu)
267 *
268 * other registers depend on the function called upon completion
269 */
270 - .align 5
271 + .align L1_CACHE_SHIFT
272 __turn_mmu_on:
273 mov r0, r0
274 mcr p15, 0, r0, c1, c0, 0 @ write control reg
275 --- a/arch/arm/lib/memchr.S
276 +++ b/arch/arm/lib/memchr.S
277 @@ -11,9 +11,10 @@
278 */
279 #include <linux/linkage.h>
280 #include <asm/assembler.h>
281 +#include <asm/cache.h>
282
283 .text
284 - .align 5
285 + .align L1_CACHE_SHIFT
286 ENTRY(memchr)
287 1: subs r2, r2, #1
288 bmi 2f
289 --- a/arch/arm/lib/memset.S
290 +++ b/arch/arm/lib/memset.S
291 @@ -11,9 +11,10 @@
292 */
293 #include <linux/linkage.h>
294 #include <asm/assembler.h>
295 +#include <asm/cache.h>
296
297 .text
298 - .align 5
299 + .align L1_CACHE_SHIFT
300 .word 0
301
302 1: subs r2, r2, #4 @ 1 do we have enough
303 --- a/arch/arm/lib/memzero.S
304 +++ b/arch/arm/lib/memzero.S
305 @@ -9,9 +9,10 @@
306 */
307 #include <linux/linkage.h>
308 #include <asm/assembler.h>
309 +#include <asm/cache.h>
310
311 .text
312 - .align 5
313 + .align L1_CACHE_SHIFT
314 .word 0
315 /*
316 * Align the pointer in r0. r3 contains the number of bytes that we are
317 --- a/arch/arm/lib/strchr.S
318 +++ b/arch/arm/lib/strchr.S
319 @@ -11,9 +11,10 @@
320 */
321 #include <linux/linkage.h>
322 #include <asm/assembler.h>
323 +#include <asm/cache.h>
324
325 .text
326 - .align 5
327 + .align L1_CACHE_SHIFT
328 ENTRY(strchr)
329 and r1, r1, #0xff
330 1: ldrb r2, [r0], #1
331 --- a/arch/arm/lib/strncpy_from_user.S
332 +++ b/arch/arm/lib/strncpy_from_user.S
333 @@ -10,9 +10,10 @@
334 #include <linux/linkage.h>
335 #include <asm/assembler.h>
336 #include <asm/errno.h>
337 +#include <asm/cache.h>
338
339 .text
340 - .align 5
341 + .align L1_CACHE_SHIFT
342
343 /*
344 * Copy a string from user space to kernel space.
345 --- a/arch/arm/lib/strnlen_user.S
346 +++ b/arch/arm/lib/strnlen_user.S
347 @@ -10,9 +10,10 @@
348 #include <linux/linkage.h>
349 #include <asm/assembler.h>
350 #include <asm/errno.h>
351 +#include <asm/cache.h>
352
353 .text
354 - .align 5
355 + .align L1_CACHE_SHIFT
356
357 /* Prototype: unsigned long __strnlen_user(const char *str, long n)
358 * Purpose : get length of a string in user memory
359 --- a/arch/arm/lib/strrchr.S
360 +++ b/arch/arm/lib/strrchr.S
361 @@ -11,9 +11,10 @@
362 */
363 #include <linux/linkage.h>
364 #include <asm/assembler.h>
365 +#include <asm/cache.h>
366
367 .text
368 - .align 5
369 + .align L1_CACHE_SHIFT
370 ENTRY(strrchr)
371 mov r3, #0
372 1: ldrb r2, [r0], #1
373 --- a/arch/arm/mach-gemini/board-rut1xx.c
374 +++ b/arch/arm/mach-gemini/board-rut1xx.c
375 @@ -14,13 +14,35 @@
376 #include <linux/leds.h>
377 #include <linux/input.h>
378 #include <linux/gpio_keys.h>
379 +#include <linux/mdio-gpio.h>
380
381 #include <asm/mach-types.h>
382 #include <asm/mach/arch.h>
383 #include <asm/mach/time.h>
384
385 +#include <mach/gmac.h>
386 +
387 #include "common.h"
388
389 +static struct mdio_gpio_platform_data rut1xx_mdio = {
390 + .mdc = 22,
391 + .mdio = 21,
392 + .phy_mask = ~(1 << 1),
393 +};
394 +
395 +static struct platform_device rut1xx_phy_device = {
396 + .name = "mdio-gpio",
397 + .id = 0,
398 + .dev = {
399 + .platform_data = &rut1xx_mdio,
400 + },
401 +};
402 +
403 +static struct gemini_gmac_platform_data gmac_data = {
404 + .bus_id[0] = "0:01",
405 + .interface[0] = PHY_INTERFACE_MODE_MII,
406 +};
407 +
408 static struct gpio_keys_button rut1xx_keys[] = {
409 {
410 .code = KEY_SETUP,
411 @@ -79,9 +101,13 @@ static void __init rut1xx_init(void)
412 {
413 gemini_gpio_init();
414 platform_register_uart();
415 + platform_register_watchdog();
416 + platform_register_usb(0);
417 platform_register_pflash(SZ_8M, NULL, 0);
418 platform_device_register(&rut1xx_leds);
419 platform_device_register(&rut1xx_keys_device);
420 + platform_device_register(&rut1xx_phy_device);
421 + platform_register_ethernet(&gmac_data);
422 }
423
424 MACHINE_START(RUT100, "Teltonika RUT100")
425 --- a/arch/arm/mach-gemini/common.h
426 +++ b/arch/arm/mach-gemini/common.h
427 @@ -13,6 +13,7 @@
428 #define __GEMINI_COMMON_H__
429
430 struct mtd_partition;
431 +struct gemini_gmac_platform_data;
432
433 extern void gemini_map_io(void);
434 extern void gemini_init_irq(void);
435 @@ -21,8 +22,11 @@ extern void gemini_gpio_init(void);
436
437 /* Common platform devices registration functions */
438 extern int platform_register_uart(void);
439 +extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
440 extern int platform_register_pflash(unsigned int size,
441 struct mtd_partition *parts,
442 unsigned int nr_parts);
443 +extern int platform_register_usb(unsigned int i);
444 +extern int platform_register_watchdog(void);
445
446 #endif /* __GEMINI_COMMON_H__ */
447 --- a/arch/arm/mach-gemini/devices.c
448 +++ b/arch/arm/mach-gemini/devices.c
449 @@ -17,6 +17,7 @@
450 #include <mach/irqs.h>
451 #include <mach/hardware.h>
452 #include <mach/global_reg.h>
453 +#include <mach/gmac.h>
454
455 static struct plat_serial8250_port serial_platform_data[] = {
456 {
457 @@ -45,6 +46,116 @@ int platform_register_uart(void)
458 return platform_device_register(&serial_device);
459 }
460
461 +static struct resource usb0_resources[] = {
462 + {
463 + .start = 0x68000000,
464 + .end = 0x68000fff,
465 + .flags = IORESOURCE_MEM,
466 + },
467 + {
468 + .start = IRQ_USB0,
469 + .end = IRQ_USB0,
470 + .flags = IORESOURCE_IRQ,
471 + },
472 +};
473 +
474 +static struct resource usb1_resources[] = {
475 + {
476 + .start = 0x69000000,
477 + .end = 0x69000fff,
478 + .flags = IORESOURCE_MEM,
479 + },
480 + {
481 + .start = IRQ_USB1,
482 + .end = IRQ_USB1,
483 + .flags = IORESOURCE_IRQ,
484 + },
485 +};
486 +
487 +static u64 usb0_dmamask = 0xffffffffUL;
488 +
489 +static u64 usb1_dmamask = 0xffffffffUL;
490 +
491 +static struct platform_device usb_device[] = {
492 + {
493 + .name = "ehci-fotg2xx",
494 + .id = 0,
495 + .dev = {
496 + .dma_mask = &usb0_dmamask,
497 + .coherent_dma_mask = 0xffffffff,
498 + },
499 + .num_resources = ARRAY_SIZE(usb0_resources),
500 + .resource = usb0_resources,
501 + },
502 + {
503 + .name = "ehci-fotg2xx",
504 + .id = 1,
505 + .dev = {
506 + .dma_mask = &usb1_dmamask,
507 + .coherent_dma_mask = 0xffffffff,
508 + },
509 + .num_resources = ARRAY_SIZE(usb1_resources),
510 + .resource = usb1_resources,
511 + },
512 +};
513 +
514 +int platform_register_usb(unsigned int i)
515 +{
516 + if (i > 1)
517 + return -EINVAL;
518 +
519 + return platform_device_register(&usb_device[i]);
520 +}
521 +
522 +static struct resource gmac_resources[] = {
523 + {
524 + .start = 0x60000000,
525 + .end = 0x6000ffff,
526 + .flags = IORESOURCE_MEM,
527 + },
528 + {
529 + .start = IRQ_GMAC0,
530 + .end = IRQ_GMAC0,
531 + .flags = IORESOURCE_IRQ,
532 + },
533 + {
534 + .start = IRQ_GMAC1,
535 + .end = IRQ_GMAC1,
536 + .flags = IORESOURCE_IRQ,
537 + },
538 +};
539 +
540 +static u64 gmac_dmamask = 0xffffffffUL;
541 +
542 +static struct platform_device ethernet_device = {
543 + .name = "gemini-gmac",
544 + .id = 0,
545 + .dev = {
546 + .dma_mask = &gmac_dmamask,
547 + .coherent_dma_mask = 0xffffffff,
548 + },
549 + .num_resources = ARRAY_SIZE(gmac_resources),
550 + .resource = gmac_resources,
551 +};
552 +
553 +int platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
554 +{
555 + unsigned int reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
556 +
557 + reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
558 +
559 + if (pdata->bus_id[1])
560 + reg |= GMAC_1_ENABLE;
561 + else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
562 + reg |= GMAC_GMII;
563 +
564 + __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
565 +
566 + ethernet_device.dev.platform_data = pdata;
567 +
568 + return platform_device_register(&ethernet_device);
569 +}
570 +
571 static struct resource flash_resource = {
572 .start = GEMINI_FLASH_BASE,
573 .flags = IORESOURCE_MEM,
574 @@ -90,3 +201,21 @@ int platform_register_pflash(unsigned in
575
576 return platform_device_register(&pflash_device);
577 }
578 +
579 +static struct resource wdt_resource = {
580 + .start = GEMINI_WAQTCHDOG_BASE,
581 + .end = GEMINI_WAQTCHDOG_BASE + 0x18,
582 + .flags = IORESOURCE_MEM,
583 +};
584 +
585 +static struct platform_device wdt_device = {
586 + .name = "gemini-wdt",
587 + .id = 0,
588 + .resource = &wdt_resource,
589 + .num_resources = 1,
590 +};
591 +
592 +int platform_register_watchdog(void)
593 +{
594 + return platform_device_register(&wdt_device);
595 +}
596 --- /dev/null
597 +++ b/arch/arm/mach-gemini/include/mach/gmac.h
598 @@ -0,0 +1,21 @@
599 +/*
600 + * Gemini GMAC specific defines
601 + *
602 + * Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
603 + *
604 + * This program is free software; you can redistribute it and/or modify
605 + * it under the terms of the GNU General Public License as published by
606 + * the Free Software Foundation; either version 2 of the License, or
607 + * (at your option) any later version.
608 + */
609 +#ifndef __MACH_GMAC_H__
610 +#define __MACH_GMAC_H__
611 +
612 +#include <linux/phy.h>
613 +
614 +struct gemini_gmac_platform_data {
615 + char *bus_id[2]; /* NULL means that this port is not used */
616 + phy_interface_t interface[2];
617 +};
618 +
619 +#endif /* __MACH_GMAC_H__ */
620 --- a/arch/arm/mach-gemini/include/mach/hardware.h
621 +++ b/arch/arm/mach-gemini/include/mach/hardware.h
622 @@ -71,4 +71,12 @@
623 */
624 #define IO_ADDRESS(x) ((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
625
626 +/*
627 + * PCI subsystem macros
628 + */
629 +#define PCIBIOS_MIN_IO 0x00000100
630 +#define PCIBIOS_MIN_MEM 0x00000000
631 +
632 +#define pcibios_assign_all_busses() 1
633 +
634 #endif
635 --- a/arch/arm/mach-gemini/include/mach/irqs.h
636 +++ b/arch/arm/mach-gemini/include/mach/irqs.h
637 @@ -43,11 +43,14 @@
638
639 #define NORMAL_IRQ_NUM 32
640
641 -#define GPIO_IRQ_BASE NORMAL_IRQ_NUM
642 +#define PCI_IRQ_BASE NORMAL_IRQ_NUM
643 +#define PCI_IRQ_NUM 4
644 +
645 +#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM)
646 #define GPIO_IRQ_NUM (3 * 32)
647
648 #define ARCH_TIMER_IRQ IRQ_TIMER2
649
650 -#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
651 +#define NR_IRQS (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
652
653 #endif /* __MACH_IRQS_H__ */
654 --- a/arch/arm/mach-gemini/Makefile
655 +++ b/arch/arm/mach-gemini/Makefile
656 @@ -6,6 +6,8 @@
657
658 obj-y := irq.o mm.o time.o devices.o gpio.o
659
660 +obj-$(CONFIG_PCI) += pci.o
661 +
662 # Board-specific support
663 obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o
664 obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o
665 --- a/arch/arm/mach-gemini/mm.c
666 +++ b/arch/arm/mach-gemini/mm.c
667 @@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
668 .length = SZ_512K,
669 .type = MT_DEVICE,
670 }, {
671 + .virtual = IO_ADDRESS(GEMINI_PCI_IO_BASE),
672 + .pfn = __phys_to_pfn(GEMINI_PCI_IO_BASE),
673 + .length = SZ_512K,
674 + .type = MT_DEVICE,
675 + }, {
676 .virtual = IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
677 .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
678 .length = SZ_512K,
679 --- /dev/null
680 +++ b/arch/arm/mach-gemini/pci.c
681 @@ -0,0 +1,315 @@
682 +/*
683 + * Support for Gemini PCI Controller
684 + *
685 + * Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
686 + * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
687 + *
688 + * based on SL2312 PCI controller code
689 + * Storlink (C) 2003
690 + *
691 + * This program is free software; you can redistribute it and/or modify
692 + * it under the terms of the GNU General Public License as published by
693 + * the Free Software Foundation; either version 2 of the License, or
694 + * (at your option) any later version.
695 + */
696 +
697 +#include <linux/kernel.h>
698 +#include <linux/pci.h>
699 +#include <linux/irq.h>
700 +
701 +#include <asm/mach/pci.h>
702 +#include <asm/gpio.h>
703 +
704 +#include <mach/irqs.h>
705 +
706 +#define GEMINI_PCI_IOSIZE_1M 0x0000
707 +
708 +#define GEMINI_PCI_PMC 0x40
709 +#define GEMINI_PCI_PMCSR 0x44
710 +#define GEMINI_PCI_CTRL1 0x48
711 +#define GEMINI_PCI_CTRL2 0x4C
712 +#define GEMINI_PCI_MEM1_BASE_SIZE 0x50
713 +#define GEMINI_PCI_MEM2_BASE_SIZE 0x54
714 +#define GEMINI_PCI_MEM3_BASE_SIZE 0x58
715 +
716 +#define PCI_CTRL2_INTSTS_OFFSET 28
717 +#define PCI_CTRL2_INTMASK_OFFSET 22
718 +
719 +#define GEMINI_PCI_DMA_MASK 0xFFF00000
720 +#define GEMINI_PCI_DMA_MEM1_BASE 0x00000000
721 +#define GEMINI_PCI_DMA_MEM2_BASE 0x00000000
722 +#define GEMINI_PCI_DMA_MEM3_BASE 0x00000000
723 +#define GEMINI_PCI_DMA_MEM1_SIZE 7
724 +#define GEMINI_PCI_DMA_MEM2_SIZE 6
725 +#define GEMINI_PCI_DMA_MEM3_SIZE 6
726 +
727 +#define PCI_CONF_ENABLE (1 << 31)
728 +#define PCI_CONF_WHERE(r) ((r) & 0xFC)
729 +#define PCI_CONF_BUS(b) (((b) & 0xFF) << 16)
730 +#define PCI_CONF_DEVICE(d) (((d) & 0x1F) << 11)
731 +#define PCI_CONF_FUNCTION(f) (((f) & 0x07) << 8)
732 +
733 +#define PCI_IOSIZE_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE))
734 +#define PCI_PROT_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04)
735 +#define PCI_CTRL_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08)
736 +#define PCI_SOFTRST_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10)
737 +#define PCI_CONFIG_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28)
738 +#define PCI_DATA_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C)
739 +
740 +
741 +static DEFINE_SPINLOCK(gemini_pci_lock);
742 +
743 +static struct resource gemini_pci_resource_io = {
744 + .name = "PCI I/O Space",
745 + .start = IO_ADDRESS(GEMINI_PCI_IO_BASE),
746 + .end = IO_ADDRESS(GEMINI_PCI_IO_BASE) + SZ_1M - 1,
747 + .flags = IORESOURCE_IO,
748 +};
749 +
750 +static struct resource gemini_pci_resource_mem = {
751 + .name = "PCI Memory Space",
752 + .start = GEMINI_PCI_MEM_BASE,
753 + .end = GEMINI_PCI_MEM_BASE + SZ_128M - 1,
754 + .flags = IORESOURCE_MEM,
755 +};
756 +
757 +static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn,
758 + int config, int size, u32* value)
759 +{
760 + unsigned long irq_flags;
761 +
762 + spin_lock_irqsave(&gemini_pci_lock, irq_flags);
763 +
764 + __raw_writel(PCI_CONF_BUS(bus->number) |
765 + PCI_CONF_DEVICE(PCI_SLOT(fn)) |
766 + PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
767 + PCI_CONF_WHERE(config) |
768 + PCI_CONF_ENABLE,
769 + PCI_CONFIG_REG);
770 +
771 + *value = __raw_readl(PCI_DATA_REG);
772 +
773 + if (size == 1)
774 + *value = (*value >> (8 * (config & 3))) & 0xFF;
775 + else if (size == 2)
776 + *value = (*value >> (8 * (config & 3))) & 0xFFFF;
777 +
778 + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
779 +
780 + dev_dbg(&bus->dev,
781 + "[read] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
782 + PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value);
783 +
784 + return PCIBIOS_SUCCESSFUL;
785 +}
786 +
787 +static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn,
788 + int config, int size, u32 value)
789 +{
790 + unsigned long irq_flags = 0;
791 + int ret = PCIBIOS_SUCCESSFUL;
792 +
793 + dev_dbg(&bus->dev,
794 + "[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
795 + PCI_SLOT(fn), PCI_FUNC(fn), config, size, value);
796 +
797 + spin_lock_irqsave(&gemini_pci_lock, irq_flags);
798 +
799 + __raw_writel(PCI_CONF_BUS(bus->number) |
800 + PCI_CONF_DEVICE(PCI_SLOT(fn)) |
801 + PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
802 + PCI_CONF_WHERE(config) |
803 + PCI_CONF_ENABLE,
804 + PCI_CONFIG_REG);
805 +
806 + switch(size) {
807 + case 4:
808 + __raw_writel(value, PCI_DATA_REG);
809 + break;
810 + case 2:
811 + __raw_writew(value, PCI_DATA_REG + (config & 3));
812 + break;
813 + case 1:
814 + __raw_writeb(value, PCI_DATA_REG + (config & 3));
815 + break;
816 + default:
817 + ret = PCIBIOS_BAD_REGISTER_NUMBER;
818 + }
819 +
820 + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
821 +
822 + return ret;
823 +}
824 +
825 +static struct pci_ops gemini_pci_ops = {
826 + .read = gemini_pci_read_config,
827 + .write = gemini_pci_write_config,
828 +};
829 +
830 +static int __init gemini_pci_request_resources(struct pci_sys_data *sys)
831 +{
832 + if (request_resource(&ioport_resource, &gemini_pci_resource_io))
833 + goto bad_resources;
834 + if (request_resource(&iomem_resource, &gemini_pci_resource_mem))
835 + goto bad_resources;
836 +
837 + sys->resource[0] = &gemini_pci_resource_io;
838 + sys->resource[1] = &gemini_pci_resource_mem;
839 + sys->resource[2] = 0;
840 +
841 + return 0;
842 +
843 +bad_resources:
844 + pr_err("Gemini PCI: request_resource() failed. "
845 + "Abort PCI bus enumeration.\n");
846 + return -1;
847 +}
848 +
849 +static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys)
850 +{
851 + unsigned int cmd;
852 +
853 + if ((nr > 0) || gemini_pci_request_resources(sys))
854 + return 0;
855 +
856 + /* setup I/O space to 1MB size */
857 + __raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG);
858 +
859 + /* setup hostbridge */
860 + cmd = __raw_readl(PCI_CTRL_REG);
861 + cmd |= PCI_COMMAND_IO;
862 + cmd |= PCI_COMMAND_MEMORY;
863 + cmd |= PCI_COMMAND_MASTER;
864 + __raw_writel(cmd, PCI_CTRL_REG);
865 +
866 + return 1;
867 +}
868 +
869 +static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys)
870 +{
871 + unsigned int reg = 0;
872 + struct pci_bus* bus = 0;
873 +
874 + bus = pci_scan_bus(nr, &gemini_pci_ops, sys);
875 + if (bus) {
876 + dev_dbg(&bus->dev, "setting up PCI DMA\n");
877 + reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK)
878 + | (GEMINI_PCI_DMA_MEM1_SIZE << 16);
879 + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg);
880 + reg = (GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK)
881 + | (GEMINI_PCI_DMA_MEM2_SIZE << 16);
882 + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg);
883 + reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK)
884 + | (GEMINI_PCI_DMA_MEM3_SIZE << 16);
885 + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg);
886 + }
887 +
888 + return bus;
889 +}
890 +
891 +/* Should work with all boards based on original Storlink EVB */
892 +static int __init gemini_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
893 +{
894 + if (slot < 9 || slot > 12)
895 + return -1;
896 +
897 + return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3);
898 +}
899 +
900 +static struct hw_pci gemini_hw_pci __initdata = {
901 + .nr_controllers = 1,
902 + .setup = gemini_pci_setup,
903 + .scan = gemini_pci_scan_bus,
904 + .swizzle = pci_std_swizzle,
905 + .map_irq = gemini_pci_map_irq,
906 +};
907 +
908 +/* we need this for muxed PCI interrupts handling */
909 +static struct pci_bus bogus_pci_bus;
910 +
911 +static void gemini_pci_ack_irq(unsigned int irq)
912 +{
913 + unsigned int reg;
914 +
915 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
916 + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
917 + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET);
918 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
919 +}
920 +
921 +static void gemini_pci_mask_irq(unsigned int irq)
922 +{
923 + unsigned int reg;
924 +
925 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
926 + reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET)
927 + | (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET)));
928 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
929 +}
930 +
931 +static void gemini_pci_unmask_irq(unsigned int irq)
932 +{
933 + unsigned int reg;
934 +
935 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
936 + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
937 + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET);
938 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
939 +}
940 +
941 +static void gemini_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
942 +{
943 + unsigned int pci_irq_no, irq_stat, reg, i;
944 +
945 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
946 + irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET;
947 +
948 + for (i = 0; i < 4; i++) {
949 +
950 + if ((irq_stat & (1 << i)) == 0)
951 + continue;
952 +
953 + pci_irq_no = PCI_IRQ_BASE + i;
954 +
955 + BUG_ON(!(irq_desc[pci_irq_no].handle_irq));
956 + irq_desc[pci_irq_no].handle_irq(pci_irq_no,
957 + &irq_desc[pci_irq_no]);
958 + }
959 +}
960 +
961 +static struct irq_chip gemini_pci_irq_chip = {
962 + .name = "PCI",
963 + .ack = gemini_pci_ack_irq,
964 + .mask = gemini_pci_mask_irq,
965 + .unmask = gemini_pci_unmask_irq,
966 +};
967 +
968 +static int __init gemini_pci_init(void)
969 +{
970 + int i;
971 +
972 + for (i = 72; i <= 95; i++)
973 + gpio_request(i, "PCI");
974 +
975 + /* initialize our bogus bus */
976 + dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler");
977 + bogus_pci_bus.number = 0;
978 +
979 + /* mask and clear all interrupts */
980 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2,
981 + 0xF000);
982 +
983 + for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) {
984 + set_irq_chip(i, &gemini_pci_irq_chip);
985 + set_irq_handler(i, handle_level_irq);
986 + set_irq_flags(i, IRQF_VALID);
987 + }
988 +
989 + set_irq_chained_handler(IRQ_PCI, gemini_pci_irq_handler);
990 +
991 + pci_common_init(&gemini_hw_pci);
992 +
993 + return 0;
994 +}
995 +
996 +subsys_initcall(gemini_pci_init);
997 --- a/arch/arm/mm/abort-ev4.S
998 +++ b/arch/arm/mm/abort-ev4.S
999 @@ -1,5 +1,6 @@
1000 #include <linux/linkage.h>
1001 #include <asm/assembler.h>
1002 +#include <asm/cache.h>
1003 /*
1004 * Function: v4_early_abort
1005 *
1006 @@ -17,7 +18,7 @@
1007 * abort here if the I-TLB and D-TLB aren't seeing the same
1008 * picture. Unfortunately, this does happen. We live with it.
1009 */
1010 - .align 5
1011 + .align L1_CACHE_SHIFT
1012 ENTRY(v4_early_abort)
1013 mrc p15, 0, r1, c5, c0, 0 @ get FSR
1014 mrc p15, 0, r0, c6, c0, 0 @ get FAR
1015 --- a/arch/arm/mm/abort-nommu.S
1016 +++ b/arch/arm/mm/abort-nommu.S
1017 @@ -1,5 +1,6 @@
1018 #include <linux/linkage.h>
1019 #include <asm/assembler.h>
1020 +#include <asm/cache.h>
1021 /*
1022 * Function: nommu_early_abort
1023 *
1024 @@ -12,7 +13,7 @@
1025 * Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
1026 * Just fill zero into the registers.
1027 */
1028 - .align 5
1029 + .align L1_CACHE_SHIFT
1030 ENTRY(nommu_early_abort)
1031 mov r0, #0 @ clear r0, r1 (no FSR/FAR)
1032 mov r1, #0
1033 --- /dev/null
1034 +++ b/drivers/net/gemini_negmac/gm_gmac.c
1035 @@ -0,0 +1,1350 @@
1036 +/*
1037 + * Ethernet device driver for Gemini SoC.
1038 + *
1039 + * Copyright (C) 2006, Storlink, Corp.
1040 + * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
1041 + *
1042 + * This program is free software; you can redistribute it and/or modify
1043 + * it under the terms of the GNU General Public License as published by
1044 + * the Free Software Foundation; either version 2 of the License, or
1045 + * (at your option) any later version.
1046 + */
1047 +#include <linux/module.h>
1048 +#include <linux/kernel.h>
1049 +#include <linux/platform_device.h>
1050 +#include <linux/slab.h>
1051 +#include <linux/mm.h>
1052 +#include <linux/compiler.h>
1053 +#include <linux/dma-mapping.h>
1054 +#include <linux/init.h>
1055 +#include <linux/ioport.h>
1056 +#include <linux/netdevice.h>
1057 +#include <linux/etherdevice.h>
1058 +#include <linux/rtnetlink.h>
1059 +#include <linux/delay.h>
1060 +#include <linux/ethtool.h>
1061 +#include <linux/mii.h>
1062 +#include <linux/phy.h>
1063 +#include <linux/completion.h>
1064 +#include <linux/kthread.h>
1065 +#include <linux/io.h>
1066 +#include <mach/hardware.h>
1067 +#include <asm/irq.h>
1068 +#include <linux/semaphore.h>
1069 +#include <mach/irqs.h>
1070 +#include <linux/skbuff.h>
1071 +#include <linux/in.h>
1072 +#include <linux/ip.h>
1073 +#include <linux/tcp.h>
1074 +#include <linux/udp.h>
1075 +#include <mach/gmac.h>
1076 +
1077 +#include "gm_gmac.h"
1078 +
1079 +/* #define GMAX_TX_INTR_DISABLED */
1080 +#define DO_HW_CHKSUM
1081 +/* #define ENABLE_TSO */
1082 +#define GMAC_USE_TXQ0
1083 +/* #define GMAC_LEN_1_2_ISSUE */
1084 +
1085 +#define DEFAULT_RXQ_MAX_CNT 256
1086 +
1087 +/* define chip information */
1088 +#define DRV_VERSION "0.2"
1089 +#define SL351x_DRIVER_NAME "Gemini Ethernet driver " DRV_VERSION
1090 +
1091 +#ifdef GMAC_LEN_1_2_ISSUE
1092 + #define _DEBUG_PREFETCH_NUM 256
1093 +static int _debug_prefetch_cnt;
1094 +static char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4)));
1095 +#endif
1096 +
1097 +static inline void gmac_write_reg(unsigned int base, unsigned int offset, unsigned int data, unsigned int bit_mask)
1098 +{
1099 + unsigned int reg_val;
1100 +
1101 + reg_val = (__raw_readl(base + offset) & (~bit_mask)) | (data & bit_mask);
1102 + __raw_writel(reg_val, base + offset);
1103 +}
1104 +
1105 +/*----------------------------------------------------------------------
1106 +* toe_init_free_queue
1107 +* (1) Initialize the Free Queue Descriptor Base Address & size
1108 +* Register: TOE_GLOBAL_BASE + 0x0004
1109 +* (2) Initialize DMA Read/Write pointer for
1110 +* SW Free Queue and HW Free Queue
1111 +* (3) Initialize DMA Descriptors for
1112 +* SW Free Queue and HW Free Queue,
1113 +*----------------------------------------------------------------------*/
1114 +static void toe_init_free_queue(struct toe_private *toe)
1115 +{
1116 + int i;
1117 + DMA_RWPTR_T rwptr_reg;
1118 + void *desc_buf;
1119 + GMAC_RXDESC_T *sw_desc_ptr;
1120 + struct sk_buff *skb;
1121 +
1122 + desc_buf = dma_alloc_coherent(toe->dev, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),
1123 + &toe->sw_freeq_desc_base_dma, GFP_KERNEL);
1124 + sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf;
1125 + if (!desc_buf) {
1126 + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
1127 + return;
1128 + }
1129 + memset(desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T));
1130 +
1131 + /* DMA Queue Base & Size */
1132 + __raw_writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER,
1133 + toe->global_base + GLOBAL_SW_FREEQ_BASE_SIZE_REG);
1134 +
1135 + /* init descriptor base */
1136 + toe->swfq_desc_base = (unsigned int)desc_buf;
1137 +
1138 + /* SW Free Queue Descriptors */
1139 + for (i = 0; i < TOE_SW_FREEQ_DESC_NUM; i++) {
1140 + sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE;
1141 + skb = dev_alloc_skb(SW_RX_BUF_SIZE); /* allocate socket buffer */
1142 + if (!skb) {
1143 + dev_err(toe->dev, "%s::skb buffer allocation fail\n", __func__);
1144 + return;
1145 + }
1146 + REG32(skb->data) = (unsigned int)skb;
1147 + skb_reserve(skb, SKB_RESERVE_BYTES);
1148 + sw_desc_ptr->word2.buf_adr = dma_map_single(toe->dev, skb->data,
1149 + SW_RX_BUF_SIZE - SKB_RESERVE_BYTES,
1150 + DMA_FROM_DEVICE);
1151 + sw_desc_ptr++;
1152 + }
1153 +
1154 + dma_sync_single_for_device(toe->dev, toe->sw_freeq_desc_base_dma,
1155 + TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),
1156 + DMA_TO_DEVICE);
1157 +
1158 + /* SW Free Queue Read/Write Pointer */
1159 + rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1;
1160 + rwptr_reg.bits.rptr = 0;
1161 + __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_SWFQ_RWPTR_REG);
1162 +
1163 + /* DMA Queue Base & Size */
1164 + __raw_writel(TOE_HW_FREEQ_DESC_POWER,
1165 + toe->global_base + GLOBAL_HW_FREEQ_BASE_SIZE_REG);
1166 + rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
1167 + rwptr_reg.bits.rptr = 0;
1168 + __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_HWFQ_RWPTR_REG);
1169 +}
1170 +
1171 +/*----------------------------------------------------------------------
1172 +* toe_init_swtx_queue
1173 +* (2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup
1174 +* GMAC_SW_TX_QUEUE_BASE_REG(0x0050)
1175 +* (2) Initialize DMA Read/Write pointer for
1176 +* GMAC 0/1 SW TX Q0-5
1177 +*----------------------------------------------------------------------*/
1178 +static void toe_init_swtx_queue(struct net_device *dev)
1179 +{
1180 + int i;
1181 + struct gmac_private *gmac = netdev_priv(dev);
1182 + struct toe_private *toe = dev->ml_priv;
1183 + DMA_RWPTR_T rwptr_reg;
1184 + unsigned int rwptr_addr;
1185 + void *desc_buf;
1186 + unsigned int offset;
1187 +
1188 + desc_buf = dma_alloc_coherent(toe->dev, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),
1189 + &gmac->swtxq_desc_base_dma, GFP_KERNEL);
1190 + gmac->swtxq_desc_base = (unsigned int)desc_buf;
1191 + if (!desc_buf) {
1192 + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
1193 + return;
1194 + }
1195 + memset(desc_buf, 0, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
1196 + dma_sync_single_for_device(toe->dev, gmac->swtxq_desc_base_dma,
1197 + TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),
1198 + DMA_TO_DEVICE);
1199 + __raw_writel((gmac->swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC_SWTXQ_DESC_POWER,
1200 + gmac->dma_base_addr + GMAC_SW_TX_QUEUE_BASE_REG);
1201 +
1202 + /* GMAC0 SW TX Q0-Q5 */
1203 + offset = 0;
1204 + rwptr_reg.bits.wptr = 0;
1205 + rwptr_reg.bits.rptr = 0;
1206 + rwptr_addr = gmac->dma_base_addr + GMAC_SW_TX_QUEUE0_PTR_REG;
1207 + for (i = 0; i < TOE_SW_TXQ_NUM; i++) {
1208 + gmac->swtxq[i].rwptr_reg = rwptr_addr;
1209 + gmac->swtxq[i].desc_base_dma = (unsigned int)gmac->swtxq_desc_base_dma + offset;
1210 + gmac->swtxq[i].desc_base = (unsigned int)desc_buf + offset;
1211 + offset += TOE_GMAC_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
1212 + __raw_writel(rwptr_reg.bits32, rwptr_addr);
1213 + rwptr_addr += 4;
1214 + }
1215 +}
1216 +
1217 +/*----------------------------------------------------------------------
1218 +* toe_init_default_queue
1219 +* (1) Initialize the default 0/1 Queue Header
1220 +* Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000)
1221 +* TOE_DEFAULT_Q1_HDR_BASE (0x60002008)
1222 +* (2) Initialize Descriptors of Default Queue 0/1
1223 +*----------------------------------------------------------------------*/
1224 +static void toe_init_default_queue(struct net_device *dev)
1225 +{
1226 + struct gmac_private *gmac = netdev_priv(dev);
1227 + struct toe_private *toe = dev->ml_priv;
1228 + volatile NONTOE_QHDR_T *qhdr;
1229 + GMAC_RXDESC_T *desc_ptr;
1230 +
1231 + desc_ptr = dma_alloc_coherent(toe->dev, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T),
1232 + &gmac->default_desc_base_dma, GFP_KERNEL);
1233 + if (!desc_ptr) {
1234 + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
1235 + return;
1236 + }
1237 + memset(desc_ptr, 0, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T));
1238 + dma_sync_single_for_device(toe->dev, gmac->default_desc_base_dma,
1239 + TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T),
1240 + DMA_TO_DEVICE);
1241 + gmac->default_desc_base = (unsigned int)desc_ptr;
1242 + qhdr = (volatile NONTOE_QHDR_T *)(toe->global_base + TOE_DEFAULT_Q_HDR_BASE(gmac->port_id));
1243 + qhdr->word0.base_size = ((unsigned int)gmac->default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q_DESC_POWER;
1244 + qhdr->word1.bits32 = 0;
1245 + gmac->default_qhdr = (NONTOE_QHDR_T *)qhdr;
1246 +}
1247 +
1248 +/*----------------------------------------------------------------------
1249 +* toe_init_interrupt_config
1250 +* Interrupt Select Registers are used to map interrupt to int0 or int1
1251 +* Int0 and int1 are wired to CPU 0/1 GMAC 0/1
1252 +* Interrupt Device Inteface data are used to pass device info to
1253 +* upper device driver or store status/statistics
1254 +* ISR handler
1255 +* (1) If status bit ON but masked, the prinf error message (bug issue)
1256 +* (2) If select bits are for me, handle it, else skip to let
1257 +* the other ISR handles it.
1258 +* Notes:
1259 +* GMACx init routine (for eCOS) or open routine (for Linux)
1260 +* enable the interrupt bits only which are selected for it.
1261 +*
1262 +* Default Setting:
1263 +* GMAC0 intr bits ------> int0 ----> eth0
1264 +* GMAC1 intr bits ------> int1 ----> eth1
1265 +* TOE intr -------------> int0 ----> eth0
1266 +* Classification Intr --> int0 ----> eth0
1267 +* Default Q0 -----------> int0 ----> eth0
1268 +* Default Q1 -----------> int1 ----> eth1
1269 +*----------------------------------------------------------------------*/
1270 +static void toe_init_interrupt_config(struct toe_private *toe)
1271 +{
1272 + /* clear all status bits */
1273 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
1274 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
1275 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
1276 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
1277 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
1278 +
1279 + /* Init select registers */
1280 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
1281 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
1282 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
1283 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
1284 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
1285 +
1286 + /* disable all interrupt */
1287 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_0_REG);
1288 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_1_REG);
1289 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_2_REG);
1290 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_3_REG);
1291 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_4_REG);
1292 +}
1293 +
1294 +static void toe_gmac_hw_start(struct gmac_private *gmac)
1295 +{
1296 + GMAC_DMA_CTRL_T dma_ctrl;
1297 +
1298 + /* program dma control register */
1299 + dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1300 + dma_ctrl.bits.rd_enable = 1;
1301 + dma_ctrl.bits.td_enable = 1;
1302 + dma_ctrl.bits.loopback = 0;
1303 + dma_ctrl.bits.drop_small_ack = 0;
1304 + dma_ctrl.bits.rd_prot = 0;
1305 + dma_ctrl.bits.rd_burst_size = 3;
1306 + dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES;
1307 + dma_ctrl.bits.rd_bus = 3;
1308 + dma_ctrl.bits.td_prot = 0;
1309 + dma_ctrl.bits.td_burst_size = 3;
1310 + dma_ctrl.bits.td_bus = 3;
1311 +
1312 + __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1313 +}
1314 +
1315 +static void toe_gmac_hw_stop(struct gmac_private *gmac)
1316 +{
1317 + GMAC_DMA_CTRL_T dma_ctrl;
1318 +
1319 + /* program dma control register */
1320 + dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1321 + dma_ctrl.bits.rd_enable = 0;
1322 + dma_ctrl.bits.td_enable = 0;
1323 + __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1324 +}
1325 +
1326 +static void toe_gmac_init_chip(struct net_device *dev)
1327 +{
1328 + struct gmac_private *gmac = netdev_priv(dev);
1329 + GMAC_CONFIG2_T config2_val;
1330 + GMAC_CONFIG0_T config0;
1331 + GMAC_CONFIG1_T config1;
1332 + GMAC_STATUS_T status;
1333 + GMAC_TX_WCR0_T hw_weigh;
1334 + GMAC_TX_WCR1_T sw_weigh;
1335 + GMAC_RX_FLTR_T rx_filter;
1336 +
1337 + /* set RX_FLTR register to receive all multicast packet */
1338 + rx_filter.bits32 = __raw_readl(dev->base_addr + GMAC_RX_FLTR);
1339 + rx_filter.bits.unicast = 1;
1340 + rx_filter.bits.multicast = 1;
1341 + rx_filter.bits.broadcast = 1;
1342 + __raw_writel(rx_filter.bits32, dev->base_addr + GMAC_RX_FLTR);
1343 +
1344 + /* set flow control threshold */
1345 + config1.bits32 = 0;
1346 + config1.bits.set_threshold = 32 / 2;
1347 + config1.bits.rel_threshold = 32 / 4 * 3;
1348 + __raw_writel(config1.bits32, dev->base_addr + GMAC_CONFIG1);
1349 +
1350 + /* set flow control threshold */
1351 + config2_val.bits32 = 0;
1352 + config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM / 4;
1353 + config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM / 2;
1354 + __raw_writel(config2_val.bits32, dev->base_addr + GMAC_CONFIG2);
1355 +
1356 + /* disable TX/RX and disable internal loop back */
1357 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
1358 +
1359 + config0.bits.max_len = 2;
1360 +
1361 + gmac->flow_control_enable = 0;
1362 +
1363 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
1364 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
1365 + config0.bits.dis_rx = 1; /* disable rx */
1366 + config0.bits.dis_tx = 1; /* disable tx */
1367 + config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
1368 + config0.bits.rx_err_detect = 1;
1369 + config0.bits.rgmii_en = 0;
1370 + config0.bits.rgmm_edge = 1;
1371 + config0.bits.rxc_inv = 0;
1372 + config0.bits.ipv4_rx_chksum = 1; /* enable H/W to check ip checksum */
1373 + config0.bits.ipv6_rx_chksum = 1; /* enable H/W to check ip checksum */
1374 + config0.bits.port0_chk_hwq = 1;
1375 + config0.bits.port1_chk_hwq = 1;
1376 + config0.bits.port0_chk_toeq = 1;
1377 + config0.bits.port1_chk_toeq = 1;
1378 + config0.bits.port0_chk_classq = 1;
1379 + config0.bits.port1_chk_classq = 1;
1380 +
1381 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
1382 +
1383 + hw_weigh.bits32 = 0;
1384 + hw_weigh.bits.hw_tq3 = 1;
1385 + hw_weigh.bits.hw_tq2 = 1;
1386 + hw_weigh.bits.hw_tq1 = 1;
1387 + hw_weigh.bits.hw_tq0 = 1;
1388 + __raw_writel(hw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_0_REG);
1389 +
1390 + sw_weigh.bits32 = 0;
1391 + sw_weigh.bits.sw_tq5 = 1;
1392 + sw_weigh.bits.sw_tq4 = 1;
1393 + sw_weigh.bits.sw_tq3 = 1;
1394 + sw_weigh.bits.sw_tq2 = 1;
1395 + sw_weigh.bits.sw_tq1 = 1;
1396 + sw_weigh.bits.sw_tq0 = 1;
1397 + __raw_writel(sw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_1_REG);
1398 +
1399 + /* set interface type */
1400 + status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS);
1401 +
1402 + switch (gmac->phydev->interface) {
1403 + case PHY_INTERFACE_MODE_MII:
1404 + status.bits.mii_rmii = GMAC_PHY_MII;
1405 + break;
1406 + case PHY_INTERFACE_MODE_GMII:
1407 + status.bits.mii_rmii = GMAC_PHY_GMII;
1408 + break;
1409 + case PHY_INTERFACE_MODE_RGMII:
1410 + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
1411 + break;
1412 + default:
1413 + dev_err(&dev->dev, "Unsupported MII interface\n");
1414 + return;
1415 + }
1416 +
1417 + __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS);
1418 +}
1419 +
1420 +static void toe_init_gmac(struct net_device *dev)
1421 +{
1422 + struct gmac_private *gmac = netdev_priv(dev);
1423 + struct toe_private *toe = dev->ml_priv;
1424 + u32 data;
1425 +
1426 + /* GMAC initialization */
1427 + toe_gmac_init_chip(dev);
1428 +
1429 + /* -----------------------------------------------------------
1430 + Enable GMAC interrupt & disable loopback
1431 + Notes:
1432 + GMACx init routine (for eCOS) or open routine (for Linux)
1433 + enable the interrupt bits only which are selected for him.
1434 + --------------------------------------------------------------*/
1435 +
1436 + /* Enable Interrupt Bits */
1437 + if (gmac->port_id == 0) {
1438 + gmac->intr0_selected = GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT |
1439 + GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT |
1440 + GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT |
1441 + GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT |
1442 + GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT |
1443 + GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT |
1444 + GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT |
1445 + GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
1446 +
1447 +#ifdef GMAX_TX_INTR_DISABLED
1448 + gmac->intr0_enabled = 0;
1449 +#else
1450 + gmac->intr0_enabled = GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
1451 +#endif
1452 +
1453 + gmac->intr1_selected = TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS |
1454 + GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT |
1455 + GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT |
1456 + DEFAULT_Q0_INT_BIT;
1457 + gmac->intr1_enabled = DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS;
1458 + gmac->intr2_selected = 0xffffffff; /* TOE Queue 32-63 FUUL Intr */
1459 + gmac->intr2_enabled = 0xffffffff;
1460 + gmac->intr3_selected = 0xffffffff; /* TOE Queue 0-31 FUUL Intr */
1461 + gmac->intr3_enabled = 0xffffffff;
1462 + gmac->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS |
1463 + HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
1464 + gmac->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT;
1465 +
1466 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) & ~gmac->intr0_selected;
1467 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
1468 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) & ~gmac->intr1_selected;
1469 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
1470 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) & ~gmac->intr2_selected;
1471 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
1472 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) & ~gmac->intr3_selected;
1473 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
1474 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) & ~gmac->intr4_selected;
1475 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
1476 + } else {
1477 + gmac->intr0_selected = GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT |
1478 + GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT |
1479 + GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT |
1480 + GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT |
1481 + GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT |
1482 + GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT |
1483 + GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT |
1484 + GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
1485 +#ifdef GMAX_TX_INTR_DISABLED
1486 + gmac->intr0_enabled = 0;
1487 +#else
1488 + gmac->intr0_enabled = GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
1489 +#endif
1490 +
1491 + gmac->intr1_selected = DEFAULT_Q1_INT_BIT;
1492 + gmac->intr1_enabled = DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS;
1493 + gmac->intr2_selected = 0; /* TOE Queue 32-63 FUUL Intr */
1494 + gmac->intr2_enabled = 0;
1495 + gmac->intr3_selected = 0; /* TOE Queue 0-31 FUUL Intr */
1496 + gmac->intr3_enabled = 0;
1497 + gmac->intr4_selected = GMAC1_INT_BITS;
1498 + gmac->intr4_enabled = GMAC1_INT_BITS;
1499 +
1500 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) | gmac->intr0_selected;
1501 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
1502 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) | gmac->intr1_selected;
1503 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
1504 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) | gmac->intr2_selected;
1505 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
1506 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) | gmac->intr3_selected;
1507 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
1508 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) | gmac->intr4_selected;
1509 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
1510 + }
1511 +
1512 + /* enable only selected bits */
1513 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_0_REG,
1514 + gmac->intr0_enabled, gmac->intr0_selected);
1515 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_1_REG,
1516 + gmac->intr1_enabled, gmac->intr1_selected);
1517 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_2_REG,
1518 + gmac->intr2_enabled, gmac->intr2_selected);
1519 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_3_REG,
1520 + gmac->intr3_enabled, gmac->intr3_selected);
1521 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_4_REG,
1522 + gmac->intr4_enabled, gmac->intr4_selected);
1523 +
1524 + /* start DMA process */
1525 + toe_gmac_hw_start(gmac);
1526 +}
1527 +
1528 +static void toe_gmac_enable_tx_rx(struct net_device *dev)
1529 +{
1530 + GMAC_CONFIG0_T config0;
1531 +
1532 + /* enable TX/RX */
1533 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
1534 + config0.bits.dis_rx = 0; /* enable rx */
1535 + config0.bits.dis_tx = 0; /* enable tx */
1536 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
1537 +}
1538 +
1539 +static void toe_gmac_disable_tx_rx(struct net_device *dev)
1540 +{
1541 + GMAC_CONFIG0_T config0;
1542 +
1543 + /* enable TX/RX */
1544 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
1545 + config0.bits.dis_rx = 1; /* disable rx */
1546 + config0.bits.dis_tx = 1; /* disable tx */
1547 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
1548 +}
1549 +
1550 +static void toe_gmac_tx_complete(struct net_device *dev, unsigned int tx_qid)
1551 +{
1552 + struct gmac_private *gmac = netdev_priv(dev);
1553 + struct toe_private *toe = dev->ml_priv;
1554 + GMAC_TXDESC_T *curr_desc;
1555 + GMAC_TXDESC_0_T word0;
1556 + GMAC_TXDESC_1_T word1;
1557 + unsigned int desc_count;
1558 + GMAC_SWTXQ_T *swtxq;
1559 + DMA_RWPTR_T rwptr;
1560 +
1561 + /* get tx H/W completed descriptor virtual address */
1562 + /* check tx status and accumulate tx statistics */
1563 + swtxq = &gmac->swtxq[tx_qid];
1564 + for (;;) {
1565 + rwptr.bits32 = __raw_readl(swtxq->rwptr_reg);
1566 + if (rwptr.bits.rptr == swtxq->finished_idx)
1567 + break;
1568 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
1569 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1570 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1571 + sizeof(GMAC_TXDESC_T),
1572 + DMA_FROM_DEVICE);
1573 + word0.bits32 = curr_desc->word0.bits32;
1574 + word1.bits32 = curr_desc->word1.bits32;
1575 +
1576 + if (word0.bits.status_tx_ok) {
1577 + dev->stats.tx_bytes += word1.bits.byte_count;
1578 + desc_count = word0.bits.desc_count;
1579 + if (desc_count == 0) {
1580 + dev_err(&dev->dev, "%s::Desc 0x%x = 0x%x, desc_count=%d\n", __func__, (u32)curr_desc, word0.bits32, desc_count);
1581 + BUG();
1582 + }
1583 + while (--desc_count) {
1584 + word0.bits.status_tx_ok = 0;
1585 + curr_desc->word0.bits32 = word0.bits32;
1586 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1587 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1588 + sizeof(GMAC_TXDESC_T),
1589 + DMA_TO_DEVICE);
1590 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM);
1591 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
1592 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1593 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1594 + sizeof(GMAC_TXDESC_T),
1595 + DMA_FROM_DEVICE);
1596 + word0.bits32 = curr_desc->word0.bits32;
1597 + }
1598 +
1599 + word0.bits.status_tx_ok = 0;
1600 + dev_kfree_skb_any(swtxq->tx_skb[swtxq->finished_idx]);
1601 + swtxq->tx_skb[swtxq->finished_idx] = NULL;
1602 +
1603 + curr_desc->word0.bits32 = word0.bits32;
1604 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1605 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1606 + sizeof(GMAC_TXDESC_T),
1607 + DMA_TO_DEVICE);
1608 + dev->stats.tx_packets++;
1609 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM);
1610 + } else {
1611 + break;
1612 + }
1613 + }
1614 +
1615 + if (netif_queue_stopped(dev))
1616 + netif_wake_queue(dev);
1617 +}
1618 +
1619 +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
1620 +{
1621 + struct gmac_private *gmac = netdev_priv(dev);
1622 + struct toe_private *toe = dev->ml_priv;
1623 + DMA_RWPTR_T rwptr;
1624 + GMAC_TXDESC_T *curr_desc;
1625 + int snd_pages = skb_shinfo(skb)->nr_frags + 1; /* get number of descriptor */
1626 + int frag_id = 0;
1627 + int len, total_len = skb->len;
1628 + struct net_device_stats *isPtr = &dev->stats;
1629 + unsigned int free_desc;
1630 + GMAC_SWTXQ_T *swtxq;
1631 + register unsigned long word0, word1, word2, word3;
1632 + unsigned short wptr, rptr;
1633 +
1634 +#ifdef GMAC_LEN_1_2_ISSUE
1635 + int total_pages;
1636 + total_pages = snd_pages;
1637 +#endif
1638 +
1639 + if (skb->len >= 0x10000) {
1640 + isPtr->tx_dropped++;
1641 + dev_err(&dev->dev, "%s::skb->len %d >= 64K\n", __func__, skb->len);
1642 + netif_stop_queue(dev);
1643 + return 1;
1644 + }
1645 +
1646 +#ifdef GMAC_USE_TXQ0
1647 + #define tx_qid 0
1648 +#endif
1649 +
1650 + swtxq = &gmac->swtxq[tx_qid];
1651 +
1652 + rwptr.bits32 = __raw_readl(swtxq->rwptr_reg);
1653 + wptr = rwptr.bits.wptr;
1654 + rptr = rwptr.bits.rptr;
1655 +
1656 + /*
1657 + * check finished desc or empty BD
1658 + * cannot check by read ptr of RW PTR register,
1659 + * because the HW complete to send but the SW may NOT handle it
1660 + */
1661 +#ifdef GMAX_TX_INTR_DISABLED
1662 + toe_gmac_tx_complete(dev, tx_qid);
1663 +#endif
1664 + if (wptr >= swtxq->finished_idx)
1665 + free_desc = TOE_GMAC_SWTXQ_DESC_NUM - wptr + swtxq->finished_idx;
1666 + else
1667 + free_desc = swtxq->finished_idx - wptr;
1668 +
1669 + if (free_desc < snd_pages) {
1670 + isPtr->tx_dropped++;
1671 + netif_stop_queue(dev);
1672 + return 1;
1673 + }
1674 +
1675 + while (snd_pages) {
1676 + char *pkt_datap;
1677 +
1678 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr;
1679 + if (frag_id == 0) {
1680 + len = skb_headlen(skb);
1681 + pkt_datap = dma_map_single(toe->dev, skb->data, len, DMA_TO_DEVICE);
1682 + } else {
1683 + skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_id - 1];
1684 + len = frag->size;
1685 + pkt_datap = dma_map_page(toe->dev, frag->page, frag->page_offset, len, DMA_TO_DEVICE);
1686 + }
1687 +
1688 + /* set TX descriptor */
1689 + word0 = len;
1690 + word3 = (dev->mtu + 14) | EOFIE_BIT;
1691 +
1692 +#ifdef DO_HW_CHKSUM
1693 + if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff)))
1694 + word1 = total_len |
1695 + TSS_IP_CHKSUM_BIT |
1696 + TSS_IPV6_ENABLE_BIT |
1697 + TSS_MTU_ENABLE_BIT;
1698 + else
1699 + word1 = total_len |
1700 + TSS_UDP_CHKSUM_BIT |
1701 + TSS_TCP_CHKSUM_BIT |
1702 + TSS_IP_CHKSUM_BIT |
1703 + TSS_IPV6_ENABLE_BIT |
1704 + TSS_MTU_ENABLE_BIT;
1705 +#else
1706 + word1 = total_len | TSS_MTU_ENABLE_BIT;
1707 +#endif
1708 + word2 = pkt_datap;
1709 +
1710 + if (frag_id == 0)
1711 + word3 |= SOF_BIT;
1712 +
1713 + if (snd_pages == 1) {
1714 + word3 |= EOF_BIT;
1715 + swtxq->tx_skb[wptr] = skb;
1716 + } else
1717 + swtxq->tx_skb[wptr] = NULL;
1718 +
1719 +#ifdef GMAC_LEN_1_2_ISSUE
1720 + if ((total_pages != snd_pages) && (len == 1 || len == 2) && ((u32)pkt_datap & 0x03)) {
1721 + memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len);
1722 + pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0];
1723 + word2 = (unsigned long)__pa(pkt_datap);
1724 + _debug_prefetch_cnt++;
1725 + if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM)
1726 + _debug_prefetch_cnt = 0;
1727 + }
1728 +#endif
1729 + curr_desc->word0.bits32 = word0;
1730 + curr_desc->word1.bits32 = word1;
1731 + curr_desc->word2.bits32 = word2;
1732 + curr_desc->word3.bits32 = word3;
1733 + free_desc--;
1734 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1735 + wptr * sizeof(GMAC_TXDESC_T),
1736 + sizeof(GMAC_TXDESC_T),
1737 + DMA_TO_DEVICE);
1738 + wptr = RWPTR_ADVANCE_ONE(wptr, TOE_GMAC_SWTXQ_DESC_NUM);
1739 + frag_id++;
1740 + snd_pages--;
1741 + }
1742 +
1743 + SET_WPTR(swtxq->rwptr_reg, wptr);
1744 + dev->trans_start = jiffies;
1745 +
1746 + return 0;
1747 +}
1748 +
1749 +static void __gmac_set_mac_address(struct net_device *dev)
1750 +{
1751 + unsigned int reg_val;
1752 +
1753 + reg_val = dev->dev_addr[0] + (dev->dev_addr[1] << 8) +
1754 + (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24);
1755 + __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD0);
1756 + reg_val = (__raw_readl(dev->base_addr + GMAC_STA_ADD1) & 0xFFFF0000) +
1757 + dev->dev_addr[4] + (dev->dev_addr[5] << 8);
1758 + __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD1);
1759 +}
1760 +
1761 +static int gmac_set_mac_address(struct net_device *dev, void *addr)
1762 +{
1763 + struct sockaddr *sa = addr;
1764 +
1765 + memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
1766 +
1767 + __gmac_set_mac_address(dev);
1768 +
1769 + return 0;
1770 +}
1771 +
1772 +static void gmac_get_mac_address(struct net_device *dev)
1773 +{
1774 + unsigned int reg_val;
1775 +
1776 + reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD0);
1777 + dev->dev_addr[0] = reg_val & 0xFF;
1778 + dev->dev_addr[1] = (reg_val >> 8) & 0xFF;
1779 + dev->dev_addr[2] = (reg_val >> 16) & 0xFF;
1780 + dev->dev_addr[3] = (reg_val >> 24) & 0xFF;
1781 + reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD1);
1782 + dev->dev_addr[4] = reg_val & 0xFF;
1783 + dev->dev_addr[5] = (reg_val >> 8) & 0xFF;
1784 +
1785 + if (!is_valid_ether_addr(dev->dev_addr)) {
1786 + random_ether_addr(dev->dev_addr);
1787 + __gmac_set_mac_address(dev);
1788 + }
1789 +}
1790 +
1791 +struct net_device_stats *gmac_get_stats(struct net_device *dev)
1792 +{
1793 + if (netif_running(dev)) {
1794 + unsigned short multicast;
1795 +
1796 + multicast = __raw_readw(dev->base_addr + GMAC_IN_MCAST) +
1797 + __raw_readw(dev->base_addr + GMAC_IN_BCAST);
1798 +
1799 + dev->stats.rx_dropped += __raw_readw(dev->base_addr + GMAC_IN_DISCARDS);
1800 + dev->stats.rx_errors += __raw_readw(dev->base_addr + GMAC_IN_ERRORS);
1801 + dev->stats.rx_packets += __raw_readl(dev->base_addr + GMAC_IN_MAC1) + multicast;
1802 + dev->stats.multicast += multicast;
1803 + }
1804 +
1805 + return &dev->stats;
1806 +}
1807 +
1808 +/* TODO: If possible use crc32 from kernel lib */
1809 +static unsigned const ethernet_polynomial = 0x04c11db7U;
1810 +static unsigned int ether_crc(int length, unsigned char *data)
1811 +{
1812 + int crc = -1;
1813 + unsigned int i;
1814 + unsigned int crc_val = 0;
1815 +
1816 + while (--length >= 0) {
1817 + unsigned char current_octet = *data++;
1818 + int bit;
1819 + for (bit = 0; bit < 8; bit++, current_octet >>= 1)
1820 + crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ?
1821 + ethernet_polynomial : 0);
1822 + }
1823 + crc = ~crc;
1824 + for (i = 0; i < 32; i++)
1825 + crc_val = crc_val + (((crc << i) & 0x80000000) >> (31 - i));
1826 +
1827 + return crc_val;
1828 +}
1829 +
1830 +/*----------------------------------------------------------------------
1831 +* toe_gmac_fill_free_q
1832 +* allocate buffers for free queue.
1833 +*----------------------------------------------------------------------*/
1834 +static void toe_gmac_fill_free_q(struct toe_private *toe)
1835 +{
1836 + struct sk_buff *skb;
1837 + DMA_RWPTR_T fq_rwptr;
1838 + GMAC_RXDESC_T *fq_desc;
1839 + unsigned long flags;
1840 +
1841 + spin_lock_irqsave(&toe->freeq_lock, flags);
1842 + fq_rwptr.bits32 = __raw_readl(toe->global_base + GLOBAL_SWFQ_RWPTR_REG);
1843 + while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
1844 + TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
1845 + skb = dev_alloc_skb(SW_RX_BUF_SIZE);
1846 + if (skb == NULL) {
1847 + dev_err(toe->dev, "%s::skb allocation fail\n", __func__);
1848 + break;
1849 + }
1850 + REG32(skb->data) = (unsigned int)skb;
1851 + skb_reserve(skb, SKB_RESERVE_BYTES);
1852 + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
1853 + TOE_SW_FREEQ_DESC_NUM);
1854 + fq_desc = (GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr;
1855 + fq_desc->word2.buf_adr = dma_map_single(toe->dev, skb->data,
1856 + SW_RX_BUF_SIZE - SKB_RESERVE_BYTES,
1857 + DMA_FROM_DEVICE);
1858 + dma_sync_single_range_for_device(toe->dev,
1859 + toe->sw_freeq_desc_base_dma,
1860 + fq_rwptr.bits.wptr * sizeof(GMAC_RXDESC_T),
1861 + sizeof(GMAC_RXDESC_T),
1862 + DMA_TO_DEVICE);
1863 + SET_WPTR(toe->global_base + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
1864 + }
1865 + spin_unlock_irqrestore(&toe->freeq_lock, flags);
1866 +}
1867 +
1868 +static void fill_free_q_worker(struct work_struct *work)
1869 +{
1870 + struct toe_private *toe = container_of(work, struct toe_private, freq_work);
1871 +
1872 + toe_gmac_fill_free_q(toe);
1873 +}
1874 +
1875 +/*----------------------------------------------------------------------
1876 +* toe_gmac_handle_default_rxq
1877 +* (1) Get rx Buffer for default Rx queue
1878 +* (2) notify or call upper-routine to handle it
1879 +* (3) get a new buffer and insert it into SW free queue
1880 +* (4) Note: The SW free queue Read-Write Pointer should be locked when accessing
1881 +*----------------------------------------------------------------------*/
1882 +static void toe_gmac_handle_default_rxq(struct net_device *dev)
1883 +{
1884 + struct gmac_private *gmac = netdev_priv(dev);
1885 + struct toe_private *toe = dev->ml_priv;
1886 + GMAC_RXDESC_T *curr_desc;
1887 + struct sk_buff *skb;
1888 + DMA_RWPTR_T rwptr;
1889 + unsigned int pkt_size;
1890 + int max_cnt;
1891 + unsigned int desc_count;
1892 + unsigned int chksum_status, rx_status;
1893 + struct net_device_stats *isPtr = &dev->stats;
1894 +
1895 + rwptr.bits32 = __raw_readl(&gmac->default_qhdr->word1);
1896 + max_cnt = DEFAULT_RXQ_MAX_CNT;
1897 + while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr) {
1898 + curr_desc = (GMAC_RXDESC_T *)gmac->default_desc_base + rwptr.bits.rptr;
1899 + dma_sync_single_range_for_device(toe->dev,
1900 + gmac->default_desc_base_dma,
1901 + rwptr.bits.rptr * sizeof(GMAC_RXDESC_T),
1902 + sizeof(GMAC_RXDESC_T),
1903 + DMA_FROM_DEVICE);
1904 + rx_status = curr_desc->word0.bits.status;
1905 + chksum_status = curr_desc->word0.bits.chksum_status;
1906 + pkt_size = curr_desc->word1.bits.byte_count; /* total byte count in a frame */
1907 + desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */
1908 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
1909 +
1910 + if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
1911 + || (pkt_size < 60) || (chksum_status & 0x4) || rx_status) {
1912 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr)
1913 + dev_err(&dev->dev, "%s::derr\n", __func__);
1914 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr)
1915 + dev_err(&dev->dev, "%s::perr\n", __func__);
1916 + if (rx_status && (rx_status == 4 || rx_status == 7))
1917 + isPtr->rx_crc_errors++;
1918 +
1919 + dev_kfree_skb_irq(skb);
1920 + goto bad_frame;
1921 + }
1922 +
1923 + if (curr_desc->word0.bits.drop)
1924 + dev_warn(&dev->dev, "%s::Drop\n", __func__);
1925 +
1926 + /* get frame information from the first descriptor of the frame */
1927 + skb_reserve(skb, RX_INSERT_BYTES); /* 16 byte align the IP fields. */
1928 + skb_put(skb, pkt_size);
1929 + skb->dev = dev;
1930 + skb->protocol = eth_type_trans(skb, dev);
1931 + if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK || chksum_status == RX_CHKSUM_IP_OK_ONLY)
1932 + skb->ip_summed = CHECKSUM_UNNECESSARY;
1933 +
1934 + netif_rx(skb); /* socket rx */
1935 + dev->last_rx = jiffies;
1936 +
1937 + isPtr->rx_bytes += pkt_size;
1938 +
1939 +bad_frame:
1940 + /* advance one for Rx default Q 0/1 */
1941 + rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, TOE_DEFAULT_Q_DESC_NUM);
1942 + SET_RPTR(&gmac->default_qhdr->word1, rwptr.bits.rptr);
1943 + }
1944 +
1945 + schedule_work(&toe->freq_work);
1946 +}
1947 +
1948 +static irqreturn_t toe_gmac_interrupt(int irq, void *dev_instance)
1949 +{
1950 + struct net_device *dev = dev_instance;
1951 + struct gmac_private *gmac = netdev_priv(dev);
1952 + struct toe_private *toe = dev->ml_priv;
1953 + unsigned int status0;
1954 + unsigned int status1;
1955 + unsigned int status2;
1956 + unsigned int status3;
1957 + unsigned int status4;
1958 + int handled = 0;
1959 +
1960 + /* read Interrupt status */
1961 + status0 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
1962 + status1 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
1963 + status2 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
1964 + status3 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
1965 + status4 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
1966 +
1967 + /* clear interrupts */
1968 + if (status0)
1969 + __raw_writel(status0, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
1970 + if (status1)
1971 + __raw_writel(status1, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
1972 + if (status2)
1973 + __raw_writel(status2, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
1974 + if (status3)
1975 + __raw_writel(status3, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
1976 + if (status4)
1977 + __raw_writel(status4, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
1978 +
1979 + /* handle freeq interrupt first */
1980 + if (status4 & gmac->intr4_enabled) {
1981 + if ((status4 & SWFQ_EMPTY_INT_BIT) && (gmac->intr4_enabled & SWFQ_EMPTY_INT_BIT)) {
1982 + toe_gmac_fill_free_q(toe);
1983 + handled = 1;
1984 + }
1985 + }
1986 +
1987 + /* Interrupt Status 1 */
1988 + if (status1 & gmac->intr1_enabled) {
1989 + /*
1990 + * Handle GMAC 0/1 HW Tx queue 0-3 EOF events
1991 + * Only count
1992 + * TOE, Classification, and default queues interrupts are handled by ISR
1993 + * because they should pass packets to upper layer
1994 + */
1995 + if (gmac->port_id == 0) {
1996 + if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q0_INT_BIT)) {
1997 + toe_gmac_handle_default_rxq(dev);
1998 + handled = 1;
1999 + }
2000 + } else if (gmac->port_id == 1) {
2001 + if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q1_INT_BIT)) {
2002 + toe_gmac_handle_default_rxq(dev);
2003 + handled = 1;
2004 + }
2005 + }
2006 + }
2007 +
2008 + /* Interrupt Status 0 */
2009 + if (status0 & gmac->intr0_enabled) {
2010 +#ifndef GMAX_TX_INTR_DISABLED
2011 + if (gmac->port_id == 1 && netif_running(dev) &&
2012 + (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT))
2013 + ||
2014 + ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT)))) {
2015 + toe_gmac_tx_complete(dev, 0);
2016 + handled = 1;
2017 + }
2018 +
2019 + if (gmac->port_id == 0 && netif_running(dev) &&
2020 + (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT))
2021 + ||
2022 + ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT)))) {
2023 + toe_gmac_tx_complete(dev, 0);
2024 + handled = 1;
2025 + }
2026 +#endif
2027 + }
2028 +
2029 + return IRQ_RETVAL(handled);
2030 +}
2031 +
2032 +static int gmac_open(struct net_device *dev)
2033 +{
2034 + struct gmac_private *gmac = netdev_priv(dev);
2035 + int retval;
2036 +
2037 + /* hook ISR */
2038 + retval = request_irq(dev->irq, toe_gmac_interrupt, 0, dev->name, dev);
2039 + if (retval)
2040 + return retval;
2041 +
2042 + toe_init_gmac(dev);
2043 +
2044 + netif_carrier_off(dev);
2045 + phy_start(gmac->phydev);
2046 +
2047 + netif_start_queue(dev);
2048 +
2049 + return 0;
2050 +}
2051 +
2052 +static int gmac_close(struct net_device *dev)
2053 +{
2054 + struct gmac_private *gmac = netdev_priv(dev);
2055 +
2056 + netif_stop_queue(dev);
2057 + mdelay(20);
2058 +
2059 + if (gmac->phydev)
2060 + phy_stop(gmac->phydev);
2061 +
2062 + /* stop tx/rx packet */
2063 + toe_gmac_disable_tx_rx(dev);
2064 + mdelay(20);
2065 +
2066 + /* stop the chip's Tx and Rx DMA processes */
2067 + toe_gmac_hw_stop(gmac);
2068 +
2069 + disable_irq(dev->irq);
2070 + free_irq(dev->irq, dev);
2071 +
2072 + return 0;
2073 +}
2074 +
2075 +static void gmac_get_phy_status(struct net_device *dev)
2076 +{
2077 + struct gmac_private *gmac = netdev_priv(dev);
2078 + GMAC_CONFIG0_T config0;
2079 + GMAC_STATUS_T status, old_status;
2080 + struct phy_device *phydev = gmac->phydev;
2081 +
2082 + old_status.bits32 = status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS);
2083 +
2084 + status.bits.link = phydev->link;
2085 + status.bits.duplex = phydev->duplex;
2086 +
2087 + switch (phydev->speed) {
2088 + case 1000:
2089 + status.bits.speed = GMAC_SPEED_1000;
2090 + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
2091 + status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
2092 + break;
2093 + case 100:
2094 + status.bits.speed = GMAC_SPEED_100;
2095 + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
2096 + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
2097 + break;
2098 + case 10:
2099 + status.bits.speed = GMAC_SPEED_10;
2100 + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
2101 + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
2102 + break;
2103 + default:
2104 + dev_warn(&dev->dev, "Not supported PHY speed (%d)\n", phydev->speed);
2105 + }
2106 +
2107 + if (phydev->pause) {
2108 + if (gmac->flow_control_enable == 0) {
2109 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
2110 + config0.bits.tx_fc_en = 1; /* enable tx flow control */
2111 + config0.bits.rx_fc_en = 1; /* enable rx flow control */
2112 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
2113 + dev_info(&dev->dev, "MII flow control enabled\n");
2114 + }
2115 + gmac->flow_control_enable = 1;
2116 + } else {
2117 + if (gmac->flow_control_enable == 1) {
2118 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
2119 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
2120 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
2121 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
2122 + dev_info(&dev->dev, "MII flow control disabled\n");
2123 + }
2124 + gmac->flow_control_enable = 0;
2125 + }
2126 +
2127 + if (old_status.bits32 != status.bits32) {
2128 + toe_gmac_disable_tx_rx(dev);
2129 + phy_print_status(phydev);
2130 + mdelay(10); /* let GMAC consume packet */
2131 + __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS);
2132 + if (status.bits.link)
2133 + toe_gmac_enable_tx_rx(dev);
2134 + }
2135 +}
2136 +
2137 +static void gmac_set_rx_mode(struct net_device *dev)
2138 +{
2139 + GMAC_RX_FLTR_T filter;
2140 + unsigned int mc_filter[2]; /* Multicast hash filter */
2141 + int bit_nr;
2142 + unsigned int i;
2143 +
2144 + filter.bits32 = 0;
2145 + filter.bits.error = 0;
2146 + if (dev->flags & IFF_PROMISC) {
2147 + filter.bits.error = 1;
2148 + filter.bits.promiscuous = 1;
2149 + filter.bits.broadcast = 1;
2150 + filter.bits.multicast = 1;
2151 + filter.bits.unicast = 1;
2152 + mc_filter[1] = mc_filter[0] = 0xffffffff;
2153 + } else if (dev->flags & IFF_ALLMULTI) {
2154 + filter.bits.broadcast = 1;
2155 + filter.bits.multicast = 1;
2156 + filter.bits.unicast = 1;
2157 + mc_filter[1] = mc_filter[0] = 0xffffffff;
2158 + } else {
2159 + struct netdev_hw_addr *ha;
2160 +
2161 + filter.bits.broadcast = 1;
2162 + filter.bits.multicast = 1;
2163 + filter.bits.unicast = 1;
2164 + mc_filter[1] = mc_filter[0] = 0;
2165 + netdev_for_each_mc_addr(ha, dev) {
2166 + bit_nr = ether_crc(ETH_ALEN, ha->addr) & 0x3f;
2167 + if (bit_nr <= 32)
2168 + mc_filter[0] = mc_filter[0] | (1 << bit_nr);
2169 + else
2170 + mc_filter[1] = mc_filter[1] | (1 << (bit_nr - 32));
2171 + }
2172 + }
2173 + __raw_writel(filter.bits32, dev->base_addr + GMAC_RX_FLTR);
2174 + __raw_writel(mc_filter[0], dev->base_addr + GMAC_MCAST_FIL0);
2175 + __raw_writel(mc_filter[1], dev->base_addr + GMAC_MCAST_FIL1);
2176 +}
2177 +
2178 +static void gmac_tx_timeout(struct net_device *dev)
2179 +{
2180 + if (!netif_queue_stopped(dev))
2181 + netif_wake_queue(dev);
2182 +
2183 + dev_warn(&dev->dev, "TX timeout\n");
2184 +}
2185 +
2186 +const static struct net_device_ops gemini_gmac_ops = {
2187 + .ndo_open = gmac_open,
2188 + .ndo_stop = gmac_close,
2189 + .ndo_start_xmit = gmac_start_xmit,
2190 + .ndo_get_stats = gmac_get_stats,
2191 + .ndo_set_multicast_list = gmac_set_rx_mode,
2192 + .ndo_set_mac_address = gmac_set_mac_address,
2193 + .ndo_tx_timeout = gmac_tx_timeout,
2194 +};
2195 +
2196 +static void __init mac_init_drv(struct toe_private *toe)
2197 +{
2198 + QUEUE_THRESHOLD_T threshold;
2199 + DMA_SKB_SIZE_T skb_size;
2200 +
2201 + /* clear non TOE Queue Header Area */
2202 + memset(toe->global_base + TOE_NONTOE_QUE_HDR_BASE, 0,
2203 + NONTOE_Q_HDR_AREA_END - TOE_NONTOE_QUE_HDR_BASE);
2204 +
2205 + /* clear TOE Queue Header Area */
2206 + memset(toe->global_base + TOE_TOE_QUE_HDR_BASE, 0,
2207 + TOE_Q_HDR_AREA_END - TOE_TOE_QUE_HDR_BASE);
2208 +
2209 + /* Write GLOBAL_QUEUE_THRESHOLD_REG */
2210 + threshold.bits32 = 0;
2211 + threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 :
2212 + TOE_SW_FREEQ_DESC_NUM / 2;
2213 + threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256 / 4 :
2214 + TOE_HW_FREEQ_DESC_NUM / 4;
2215 + threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256 / 4 :
2216 + TOE_TOE_DESC_NUM / 4;
2217 + threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256 / 4 :
2218 + TOE_INTR_DESC_NUM / 4;
2219 + __raw_writel(threshold.bits32, toe->global_base + GLOBAL_QUEUE_THRESHOLD_REG);
2220 +
2221 + /* Init skb size */
2222 + skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE;
2223 + skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE;
2224 + __raw_writel(skb_size.bits32, toe->global_base + GLOBAL_DMA_SKB_SIZE_REG);
2225 +
2226 + toe_init_free_queue(toe);
2227 + toe_init_interrupt_config(toe);
2228 +}
2229 +
2230 +static int __init gmac_init_eth(struct platform_device *pdev, unsigned int num)
2231 +{
2232 + struct gmac_private *gmac;
2233 + struct net_device *dev;
2234 + struct toe_private *toe = platform_get_drvdata(pdev);
2235 + struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data;
2236 +
2237 + if (!pdata->bus_id[num])
2238 + return 0;
2239 +
2240 + dev = alloc_etherdev(sizeof(*gmac));
2241 + if (dev == NULL) {
2242 + dev_err(&pdev->dev, "Can't allocate ethernet device #%d\n", num);
2243 + return -ENOMEM;
2244 + }
2245 +
2246 + gmac = netdev_priv(dev);
2247 + dev->ml_priv = toe;
2248 + toe->net_dev[num] = dev;
2249 +
2250 + gmac->dma_base_addr = toe->global_base + TOE_GMAC_DMA_BASE(num);
2251 + gmac->port_id = num;
2252 +
2253 + dev->base_addr = toe->global_base + TOE_GMAC_BASE(num);
2254 + dev->irq = platform_get_irq(pdev, num);
2255 + dev->netdev_ops = &gemini_gmac_ops;
2256 + dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT;
2257 + dev->tx_queue_len = TOE_GMAC_SWTXQ_DESC_NUM;
2258 +
2259 +#ifdef DO_HW_CHKSUM
2260 + dev->features = NETIF_F_SG | NETIF_F_HW_CSUM;
2261 +#ifdef ENABLE_TSO
2262 + dev->features |= NETIF_F_TSO;
2263 +#endif
2264 +#endif
2265 +
2266 + toe_init_swtx_queue(dev);
2267 + toe_init_default_queue(dev);
2268 +
2269 + gmac_get_mac_address(dev);
2270 +
2271 + /* TODO: Do we need this? */
2272 + __raw_writel(0x55aa55aa, dev->base_addr + GMAC_STA_ADD2);
2273 +
2274 + if (register_netdev(dev))
2275 + return -1;
2276 +
2277 + gmac->phydev = phy_connect(dev, pdata->bus_id[num], &gmac_get_phy_status, 0,
2278 + pdata->interface[num]);
2279 + if (IS_ERR(gmac->phydev))
2280 + return PTR_ERR(gmac->phydev);
2281 +
2282 + gmac->phydev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause;
2283 + gmac->phydev->advertising = gmac->phydev->supported;
2284 +
2285 + return 0;
2286 +}
2287 +
2288 +static int __init gmac_probe(struct platform_device *pdev)
2289 +{
2290 + struct resource *res;
2291 + struct toe_private *toe;
2292 + int retval;
2293 +
2294 + if (!pdev->dev.platform_data)
2295 + return -EINVAL;
2296 +
2297 + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2298 + if (!res) {
2299 + dev_err(&pdev->dev, "can't get device resources\n");
2300 + return -ENODEV;
2301 + }
2302 +
2303 + toe = kzalloc(sizeof(struct toe_private), GFP_KERNEL);
2304 + if (!toe)
2305 + return -ENOMEM;
2306 +
2307 + toe->dev = &pdev->dev;
2308 +
2309 + toe->global_base = ioremap(res->start, resource_size(res));
2310 + if (!toe->global_base) {
2311 + dev_err(toe->dev, "ioremap failed\n");
2312 + retval = -EIO;
2313 + goto err_data;
2314 + }
2315 +
2316 + platform_set_drvdata(pdev, toe);
2317 +
2318 + mac_init_drv(toe);
2319 +
2320 + INIT_WORK(&toe->freq_work, fill_free_q_worker);
2321 + spin_lock_init(&toe->freeq_lock);
2322 +
2323 + retval = gmac_init_eth(pdev, GMAC_PORT0);
2324 + if (retval)
2325 + goto err_unmap;
2326 + retval = gmac_init_eth(pdev, GMAC_PORT1);
2327 + if (retval)
2328 + goto err_unmap;
2329 +
2330 + dev_info(&pdev->dev, SL351x_DRIVER_NAME "\n");
2331 +
2332 + return 0;
2333 +
2334 +err_unmap:
2335 + iounmap(toe->global_base);
2336 +err_data:
2337 + kfree(toe);
2338 + return retval;
2339 +}
2340 +
2341 +static int __exit gmac_remove(struct platform_device *pdev)
2342 +{
2343 + struct toe_private *toe = platform_get_drvdata(pdev);
2344 + int i;
2345 +
2346 + for (i = 0; i < 2; i++)
2347 + if (toe->net_dev[i]) {
2348 + unregister_netdev(toe->net_dev[i]);
2349 + kfree(toe->net_dev[i]);
2350 + }
2351 +
2352 + iounmap(toe->global_base);
2353 +
2354 + kfree(toe);
2355 +
2356 + return 0;
2357 +}
2358 +
2359 +static struct platform_driver gemini_gmac_driver = {
2360 + .probe = gmac_probe,
2361 + .remove = __exit_p(gmac_remove),
2362 +
2363 + .driver = {
2364 + .name = "gemini-gmac",
2365 + .owner = THIS_MODULE,
2366 + },
2367 +};
2368 +
2369 +static int __init gemini_gmac_init(void)
2370 +{
2371 + return platform_driver_register(&gemini_gmac_driver);
2372 +}
2373 +
2374 +static void __exit gemini_gmac_exit(void)
2375 +{
2376 + platform_driver_unregister(&gemini_gmac_driver);
2377 +}
2378 +
2379 +module_init(gemini_gmac_init);
2380 +module_exit(gemini_gmac_exit);
2381 +
2382 +MODULE_AUTHOR("Paulius Zaleckas");
2383 +MODULE_DESCRIPTION("Ethernet device driver for Gemini SoC");
2384 +MODULE_LICENSE("GPL");
2385 +MODULE_ALIAS("platform:gemini-gmac");
2386 --- /dev/null
2387 +++ b/drivers/net/gemini_negmac/gm_gmac.h
2388 @@ -0,0 +1,1488 @@
2389 +/*
2390 + * Register definitions for Gemini Ethernet device driver.
2391 + *
2392 + * Copyright (C) 2006, Storlink, Corp.
2393 + * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
2394 + *
2395 + * This program is free software; you can redistribute it and/or modify
2396 + * it under the terms of the GNU General Public License as published by
2397 + * the Free Software Foundation; either version 2 of the License, or
2398 + * (at your option) any later version.
2399 + */
2400 +#ifndef _GMAC_SL351x_H
2401 +#define _GMAC_SL351x_H
2402 +#include <linux/skbuff.h>
2403 +
2404 +#define _PACKED_ __attribute__ ((aligned(1), packed))
2405 +
2406 +#ifndef BIT
2407 +#define BIT(x) (1 << (x))
2408 +#endif
2409 +
2410 +#define REG32(addr) (*(volatile unsigned long * const)(addr))
2411 +
2412 +/* Define frame size */
2413 +#define GMAC_MAX_ETH_FRAME_SIZE 1514
2414 +#define GMAC_TX_BUF_SIZE ((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31))
2415 +
2416 +#define SW_RX_BUF_SIZE 1536
2417 +#define HW_RX_BUF_SIZE 1536
2418 +
2419 +#define GMAC_DEV_TX_TIMEOUT (10*HZ)
2420 +#define SKB_RESERVE_BYTES 16
2421 +
2422 +/*
2423 + * Base Registers
2424 + */
2425 +#define TOE_NONTOE_QUE_HDR_BASE 0x2000
2426 +#define TOE_TOE_QUE_HDR_BASE 0x3000
2427 +#define TOE_V_BIT_BASE 0x4000
2428 +#define TOE_A_BIT_BASE 0x6000
2429 +#define TOE_GMAC_DMA_BASE(x) (0x8000 + 0x4000 * (x))
2430 +#define TOE_GMAC_BASE(x) (0xA000 + 0x4000 * (x))
2431 +
2432 +/*
2433 + * Queue ID
2434 + */
2435 +#define TOE_SW_FREE_QID 0x00
2436 +#define TOE_HW_FREE_QID 0x01
2437 +#define TOE_GMAC0_SW_TXQ0_QID 0x02
2438 +#define TOE_GMAC0_SW_TXQ1_QID 0x03
2439 +#define TOE_GMAC0_SW_TXQ2_QID 0x04
2440 +#define TOE_GMAC0_SW_TXQ3_QID 0x05
2441 +#define TOE_GMAC0_SW_TXQ4_QID 0x06
2442 +#define TOE_GMAC0_SW_TXQ5_QID 0x07
2443 +#define TOE_GMAC0_HW_TXQ0_QID 0x08
2444 +#define TOE_GMAC0_HW_TXQ1_QID 0x09
2445 +#define TOE_GMAC0_HW_TXQ2_QID 0x0A
2446 +#define TOE_GMAC0_HW_TXQ3_QID 0x0B
2447 +#define TOE_GMAC1_SW_TXQ0_QID 0x12
2448 +#define TOE_GMAC1_SW_TXQ1_QID 0x13
2449 +#define TOE_GMAC1_SW_TXQ2_QID 0x14
2450 +#define TOE_GMAC1_SW_TXQ3_QID 0x15
2451 +#define TOE_GMAC1_SW_TXQ4_QID 0x16
2452 +#define TOE_GMAC1_SW_TXQ5_QID 0x17
2453 +#define TOE_GMAC1_HW_TXQ0_QID 0x18
2454 +#define TOE_GMAC1_HW_TXQ1_QID 0x19
2455 +#define TOE_GMAC1_HW_TXQ2_QID 0x1A
2456 +#define TOE_GMAC1_HW_TXQ3_QID 0x1B
2457 +#define TOE_GMAC0_DEFAULT_QID 0x20
2458 +#define TOE_GMAC1_DEFAULT_QID 0x21
2459 +#define TOE_CLASSIFICATION_QID(x) (0x22 + x) // 0x22 ~ 0x2F
2460 +#define TOE_TOE_QID(x) (0x40 + x) // 0x40 ~ 0x7F
2461 +
2462 +/*
2463 + * TOE DMA Queue Number should be 2^n, n = 6...12
2464 + * TOE DMA Queues are the following queue types:
2465 + * SW Free Queue, HW Free Queue,
2466 + * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5
2467 + * They have same descriptor numbers.
2468 + * The base address and descriptor number are configured at
2469 + * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004)
2470 + */
2471 +#define TOE_SW_FREEQ_DESC_POWER 8
2472 +#define TOE_SW_FREEQ_DESC_NUM (1<<TOE_SW_FREEQ_DESC_POWER)
2473 +#define TOE_HW_FREEQ_DESC_POWER 8
2474 +#define TOE_HW_FREEQ_DESC_NUM (1<<TOE_HW_FREEQ_DESC_POWER)
2475 +#define TOE_GMAC_SWTXQ_DESC_POWER 8
2476 +#define TOE_GMAC_SWTXQ_DESC_NUM (1<<TOE_GMAC_SWTXQ_DESC_POWER)
2477 +#define TOE_GMAC_HWTXQ_DESC_POWER 8
2478 +#define TOE_GMAC_HWTXQ_DESC_NUM (1<<TOE_GMAC_HWTXQ_DESC_POWER)
2479 +#define TOE_DEFAULT_Q_DESC_POWER 8
2480 +#define TOE_DEFAULT_Q_DESC_NUM (1<<TOE_DEFAULT_Q_DESC_POWER)
2481 +#define TOE_TOE_DESC_POWER 8
2482 +#define TOE_TOE_DESC_NUM (1<<TOE_TOE_DESC_POWER)
2483 +#define TOE_CLASS_DESC_POWER 8
2484 +#define TOE_CLASS_DESC_NUM (1<<TOE_CLASS_DESC_POWER)
2485 +#define TOE_INTR_DESC_POWER 8
2486 +#define TOE_INTR_DESC_NUM (1<<TOE_INTR_DESC_POWER)
2487 +
2488 +#define TOE_TOE_QUEUE_MAX 64
2489 +#define TOE_TOE_QUEUE_NUM 64
2490 +#define TOE_CLASS_QUEUE_MAX 14
2491 +#define TOE_CLASS_QUEUE_NUM 14
2492 +#define TOE_INTR_QUEUE_MAX 4
2493 +#define TOE_INTR_QUEUE_NUM 4
2494 +#define TOE_SW_TXQ_MAX 6
2495 +#define TOE_SW_TXQ_NUM 1
2496 +#define TOE_HW_TXQ_MAX 4
2497 +#define TOE_HW_TXQ_NUM 4
2498 +
2499 +#define RWPTR_ADVANCE_ONE(x, max) ((x == (max -1)) ? 0 : x+1)
2500 +#define RWPTR_RECEDE_ONE(x, max) ((x == 0) ? (max -1) : x-1)
2501 +#define SET_WPTR(addr, data) (*(volatile u16 * const)((u32)(addr) + 2) = (u16)data)
2502 +#define SET_RPTR(addr, data) (*(volatile u16 * const)((u32)(addr)) = (u16)data)
2503 +
2504 +/*
2505 + * Global registers
2506 + * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000)
2507 + * Base 0x60000000
2508 + */
2509 +#define GLOBAL_TOE_VERSION_REG 0x0000
2510 +#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004
2511 +#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008
2512 +#define GLOBAL_DMA_SKB_SIZE_REG 0x0010
2513 +#define GLOBAL_SWFQ_RWPTR_REG 0x0014
2514 +#define GLOBAL_HWFQ_RWPTR_REG 0x0018
2515 +#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020
2516 +#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024
2517 +#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028
2518 +#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030
2519 +#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034
2520 +#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038
2521 +#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040
2522 +#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044
2523 +#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048
2524 +#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050
2525 +#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054
2526 +#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058
2527 +#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060
2528 +#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064
2529 +#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068
2530 +#define GLOBAL_HASH_TABLE_BASE_REG 0x006C
2531 +#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070
2532 +
2533 +/*
2534 + * GMAC 0/1 DMA/TOE register
2535 + * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000)
2536 + * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000)
2537 + * Base 0x60008000 or 0x6000C000
2538 + */
2539 +#define GMAC_DMA_CTRL_REG 0x0000
2540 +#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004
2541 +#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008
2542 +#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C
2543 +#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010
2544 +#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014
2545 +#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018
2546 +#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C
2547 +#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020
2548 +#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024
2549 +#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028
2550 +#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C
2551 +#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030
2552 +#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038
2553 +#define GMAC_DMA_TX_CURR_DESC_REG 0x003C
2554 +#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040
2555 +#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044
2556 +#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048
2557 +#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C
2558 +#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050
2559 +#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054
2560 +#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058
2561 +#define GMAC_DMA_RX_CURR_DESC_REG 0x005C
2562 +#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060
2563 +#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064
2564 +#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068
2565 +#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C
2566 +#define GMAC_HASH_ENGINE_REG0 0x0070
2567 +#define GMAC_HASH_ENGINE_REG1 0x0074
2568 +/* matching rule 0 Control register 0 */
2569 +#define GMAC_MR0CR0 0x0078
2570 +#define GMAC_MR0CR1 0x007C
2571 +#define GMAC_MR0CR2 0x0080
2572 +#define GMAC_MR1CR0 0x0084
2573 +#define GMAC_MR1CR1 0x0088
2574 +#define GMAC_MR1CR2 0x008C
2575 +#define GMAC_MR2CR0 0x0090
2576 +#define GMAC_MR2CR1 0x0094
2577 +#define GMAC_MR2CR2 0x0098
2578 +#define GMAC_MR3CR0 0x009C
2579 +#define GMAC_MR3CR1 0x00A0
2580 +#define GMAC_MR3CR2 0x00A4
2581 +/* Support Protocol Regsister 0 */
2582 +#define GMAC_SPR0 0x00A8
2583 +#define GMAC_SPR1 0x00AC
2584 +#define GMAC_SPR2 0x00B0
2585 +#define GMAC_SPR3 0x00B4
2586 +#define GMAC_SPR4 0x00B8
2587 +#define GMAC_SPR5 0x00BC
2588 +#define GMAC_SPR6 0x00C0
2589 +#define GMAC_SPR7 0x00C4
2590 +/* GMAC Hash/Rx/Tx AHB Weighting register */
2591 +#define GMAC_AHB_WEIGHT_REG 0x00C8
2592 +
2593 +/*
2594 + * TOE GMAC 0/1 register
2595 + * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000)
2596 + * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000)
2597 + * Base 0x6000A000 or 0x6000E000
2598 + */
2599 +enum GMAC_REGISTER {
2600 + GMAC_STA_ADD0 = 0x0000,
2601 + GMAC_STA_ADD1 = 0x0004,
2602 + GMAC_STA_ADD2 = 0x0008,
2603 + GMAC_RX_FLTR = 0x000c,
2604 + GMAC_MCAST_FIL0 = 0x0010,
2605 + GMAC_MCAST_FIL1 = 0x0014,
2606 + GMAC_CONFIG0 = 0x0018,
2607 + GMAC_CONFIG1 = 0x001c,
2608 + GMAC_CONFIG2 = 0x0020,
2609 + GMAC_CONFIG3 = 0x0024,
2610 + GMAC_RESERVED = 0x0028,
2611 + GMAC_STATUS = 0x002c,
2612 + GMAC_IN_DISCARDS= 0x0030,
2613 + GMAC_IN_ERRORS = 0x0034,
2614 + GMAC_IN_MCAST = 0x0038,
2615 + GMAC_IN_BCAST = 0x003c,
2616 + GMAC_IN_MAC1 = 0x0040, /* for STA 1 MAC Address */
2617 + GMAC_IN_MAC2 = 0x0044 /* for STA 2 MAC Address */
2618 +};
2619 +
2620 +/*
2621 + * DMA Queues description Ring Base Address/Size Register (offset 0x0004)
2622 + */
2623 +typedef union {
2624 + unsigned int bits32;
2625 + unsigned int base_size;
2626 +} DMA_Q_BASE_SIZE_T;
2627 +#define DMA_Q_BASE_MASK (~0x0f)
2628 +
2629 +/*
2630 + * DMA SKB Buffer register (offset 0x0008)
2631 + */
2632 +typedef union {
2633 + unsigned int bits32;
2634 + struct bit_0008 {
2635 + unsigned int sw_skb_size : 16; /* SW Free poll SKB Size */
2636 + unsigned int hw_skb_size : 16; /* HW Free poll SKB Size */
2637 + } bits;
2638 +} DMA_SKB_SIZE_T;
2639 +
2640 +/*
2641 + * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C)
2642 + */
2643 +typedef union {
2644 + unsigned int bits32;
2645 + struct bit_000c {
2646 + unsigned int rptr : 16; /* Read Ptr, RO */
2647 + unsigned int wptr : 16; /* Write Ptr, RW */
2648 + } bits;
2649 +} DMA_RWPTR_T;
2650 +
2651 +/*
2652 + * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010)
2653 + * see DMA_RWPTR_T structure
2654 + */
2655 +
2656 +/*
2657 + * Interrupt Status Register 0 (offset 0x0020)
2658 + * Interrupt Mask Register 0 (offset 0x0024)
2659 + * Interrupt Select Register 0 (offset 0x0028)
2660 + */
2661 +typedef union {
2662 + unsigned int bits32;
2663 + struct bit_0020 {
2664 + /* GMAC0 SW Tx Queue 0 EOF Interrupt */
2665 + unsigned int swtq00_eof : 1;
2666 + unsigned int swtq01_eof : 1;
2667 + unsigned int swtq02_eof : 1;
2668 + unsigned int swtq03_eof : 1;
2669 + unsigned int swtq04_eof : 1;
2670 + unsigned int swtq05_eof : 1;
2671 + /* GMAC1 SW Tx Queue 0 EOF Interrupt */
2672 + unsigned int swtq10_eof : 1;
2673 + unsigned int swtq11_eof : 1;
2674 + unsigned int swtq12_eof : 1;
2675 + unsigned int swtq13_eof : 1;
2676 + unsigned int swtq14_eof : 1;
2677 + unsigned int swtq15_eof : 1;
2678 + /* GMAC0 SW Tx Queue 0 Finish Interrupt */
2679 + unsigned int swtq00_fin : 1;
2680 + unsigned int swtq01_fin : 1;
2681 + unsigned int swtq02_fin : 1;
2682 + unsigned int swtq03_fin : 1;
2683 + unsigned int swtq04_fin : 1;
2684 + unsigned int swtq05_fin : 1;
2685 + /* GMAC1 SW Tx Queue 0 Finish Interrupt */
2686 + unsigned int swtq10_fin : 1;
2687 + unsigned int swtq11_fin : 1;
2688 + unsigned int swtq12_fin : 1;
2689 + unsigned int swtq13_fin : 1;
2690 + unsigned int swtq14_fin : 1;
2691 + unsigned int swtq15_fin : 1;
2692 + /* GMAC0 Rx Descriptor Protocol Error */
2693 + unsigned int rxPerr0 : 1;
2694 + /* GMAC0 AHB Bus Error while Rx */
2695 + unsigned int rxDerr0 : 1;
2696 + /* GMAC1 Rx Descriptor Protocol Error */
2697 + unsigned int rxPerr1 : 1;
2698 + /* GMAC1 AHB Bus Error while Rx */
2699 + unsigned int rxDerr1 : 1;
2700 + /* GMAC0 Tx Descriptor Protocol Error */
2701 + unsigned int txPerr0 : 1;
2702 + /* GMAC0 AHB Bus Error while Tx */
2703 + unsigned int txDerr0 : 1;
2704 + /* GMAC1 Tx Descriptor Protocol Error */
2705 + unsigned int txPerr1 : 1;
2706 + /* GMAC1 AHB Bus Error while Tx */
2707 + unsigned int txDerr1 : 1;
2708 + } bits;
2709 +} INTR_REG0_T;
2710 +
2711 +#define GMAC1_TXDERR_INT_BIT BIT(31)
2712 +#define GMAC1_TXPERR_INT_BIT BIT(30)
2713 +#define GMAC0_TXDERR_INT_BIT BIT(29)
2714 +#define GMAC0_TXPERR_INT_BIT BIT(28)
2715 +#define GMAC1_RXDERR_INT_BIT BIT(27)
2716 +#define GMAC1_RXPERR_INT_BIT BIT(26)
2717 +#define GMAC0_RXDERR_INT_BIT BIT(25)
2718 +#define GMAC0_RXPERR_INT_BIT BIT(24)
2719 +#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23)
2720 +#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22)
2721 +#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21)
2722 +#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20)
2723 +#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19)
2724 +#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18)
2725 +#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17)
2726 +#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16)
2727 +#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15)
2728 +#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14)
2729 +#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13)
2730 +#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12)
2731 +#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11)
2732 +#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10)
2733 +#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9)
2734 +#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8)
2735 +#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7)
2736 +#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6)
2737 +#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5)
2738 +#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4)
2739 +#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3)
2740 +#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2)
2741 +#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1)
2742 +#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0)
2743 +
2744 +/*
2745 + * Interrupt Status Register 1 (offset 0x0030)
2746 + * Interrupt Mask Register 1 (offset 0x0034)
2747 + * Interrupt Select Register 1 (offset 0x0038)
2748 + */
2749 +typedef union {
2750 + unsigned int bits32;
2751 + struct bit_0030 {
2752 + unsigned int default_q0_eof : 1; /* Default Queue 0 EOF Interrupt */
2753 + unsigned int default_q1_eof : 1; /* Default Queue 1 EOF Interrupt */
2754 + unsigned int class_rx : 14; /* Classification Queue Rx Interrupt */
2755 + unsigned int hwtq00_eof : 1; /* GMAC0 HW Tx Queue0 EOF Interrupt */
2756 + unsigned int hwtq01_eof : 1; /* GMAC0 HW Tx Queue1 EOF Interrupt */
2757 + unsigned int hwtq02_eof : 1; /* GMAC0 HW Tx Queue2 EOF Interrupt */
2758 + unsigned int hwtq03_eof : 1; /* GMAC0 HW Tx Queue3 EOF Interrupt */
2759 + unsigned int hwtq10_eof : 1; /* GMAC1 HW Tx Queue0 EOF Interrupt */
2760 + unsigned int hwtq11_eof : 1; /* GMAC1 HW Tx Queue1 EOF Interrupt */
2761 + unsigned int hwtq12_eof : 1; /* GMAC1 HW Tx Queue2 EOF Interrupt */
2762 + unsigned int hwtq13_eof : 1; /* GMAC1 HW Tx Queue3 EOF Interrupt */
2763 + unsigned int toe_iq0_intr : 1; /* TOE Interrupt Queue 0 with Interrupts */
2764 + unsigned int toe_iq1_intr : 1; /* TOE Interrupt Queue 1 with Interrupts */
2765 + unsigned int toe_iq2_intr : 1; /* TOE Interrupt Queue 2 with Interrupts */
2766 + unsigned int toe_iq3_intr : 1; /* TOE Interrupt Queue 3 with Interrupts */
2767 + unsigned int toe_iq0_full : 1; /* TOE Interrupt Queue 0 Full Interrupt */
2768 + unsigned int toe_iq1_full : 1; /* TOE Interrupt Queue 1 Full Interrupt */
2769 + unsigned int toe_iq2_full : 1; /* TOE Interrupt Queue 2 Full Interrupt */
2770 + unsigned int toe_iq3_full : 1; /* TOE Interrupt Queue 3 Full Interrupt */
2771 + } bits;
2772 +} INTR_REG1_T;
2773 +
2774 +#define TOE_IQ3_FULL_INT_BIT BIT(31)
2775 +#define TOE_IQ2_FULL_INT_BIT BIT(30)
2776 +#define TOE_IQ1_FULL_INT_BIT BIT(29)
2777 +#define TOE_IQ0_FULL_INT_BIT BIT(28)
2778 +#define TOE_IQ3_INT_BIT BIT(27)
2779 +#define TOE_IQ2_INT_BIT BIT(26)
2780 +#define TOE_IQ1_INT_BIT BIT(25)
2781 +#define TOE_IQ0_INT_BIT BIT(24)
2782 +#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23)
2783 +#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22)
2784 +#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21)
2785 +#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20)
2786 +#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19)
2787 +#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18)
2788 +#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17)
2789 +#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16)
2790 +#define CLASS_RX_INT_BIT(x) BIT((x + 2))
2791 +#define DEFAULT_Q1_INT_BIT BIT(1)
2792 +#define DEFAULT_Q0_INT_BIT BIT(0)
2793 +
2794 +#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \
2795 + TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT)
2796 +#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \
2797 + TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT)
2798 +#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS)
2799 +#define TOE_CLASS_RX_INT_BITS 0xfffc
2800 +
2801 +/*
2802 + * Interrupt Status Register 2 (offset 0x0040)
2803 + * Interrupt Mask Register 2 (offset 0x0044)
2804 + * Interrupt Select Register 2 (offset 0x0048)
2805 + */
2806 +typedef union {
2807 + unsigned int bits32;
2808 + struct bit_0040 {
2809 + unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt
2810 + unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt
2811 + unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt
2812 + unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt
2813 + unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt
2814 + unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt
2815 + unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt
2816 + unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt
2817 + unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt
2818 + unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt
2819 + unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt
2820 + unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt
2821 + unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt
2822 + unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt
2823 + unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt
2824 + unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt
2825 + unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt
2826 + unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt
2827 + unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt
2828 + unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt
2829 + unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt
2830 + unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt
2831 + unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt
2832 + unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt
2833 + unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt
2834 + unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt
2835 + unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt
2836 + unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt
2837 + unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt
2838 + unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt
2839 + unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt
2840 + unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt
2841 + } bits;
2842 +} INTR_REG2_T;
2843 +
2844 +#define TOE_QL_FULL_INT_BIT(x) BIT(x)
2845 +
2846 +/*
2847 + * Interrupt Status Register 3 (offset 0x0050)
2848 + * Interrupt Mask Register 3 (offset 0x0054)
2849 + * Interrupt Select Register 3 (offset 0x0058)
2850 + */
2851 +typedef union {
2852 + unsigned int bits32;
2853 + struct bit_0050 {
2854 + unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt
2855 + unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt
2856 + unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt
2857 + unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt
2858 + unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt
2859 + unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt
2860 + unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt
2861 + unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt
2862 + unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt
2863 + unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt
2864 + unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt
2865 + unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt
2866 + unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt
2867 + unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt
2868 + unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt
2869 + unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt
2870 + unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt
2871 + unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt
2872 + unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt
2873 + unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt
2874 + unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt
2875 + unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt
2876 + unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt
2877 + unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt
2878 + unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt
2879 + unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt
2880 + unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt
2881 + unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt
2882 + unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt
2883 + unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt
2884 + unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt
2885 + unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt
2886 + } bits;
2887 +} INTR_REG3_T;
2888 +
2889 +#define TOE_QH_FULL_INT_BIT(x) BIT(x-32)
2890 +
2891 +/*
2892 + * Interrupt Status Register 4 (offset 0x0060)
2893 + * Interrupt Mask Register 4 (offset 0x0064)
2894 + * Interrupt Select Register 4 (offset 0x0068)
2895 + */
2896 +typedef union {
2897 + unsigned char byte;
2898 + struct bit_0060 {
2899 + unsigned char status_changed : 1; // Status Changed Intr for RGMII Mode
2900 + unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt
2901 + unsigned char tx_pause_off : 1; // received pause off frame interrupt
2902 + unsigned char rx_pause_off : 1; // received pause off frame interrupt
2903 + unsigned char tx_pause_on : 1; // transmit pause on frame interrupt
2904 + unsigned char rx_pause_on : 1; // received pause on frame interrupt
2905 + unsigned char cnt_full : 1; // MIB counters half full interrupt
2906 + unsigned char reserved : 1; //
2907 + } _PACKED_ bits;
2908 +} _PACKED_ GMAC_INTR_T;
2909 +
2910 +typedef union {
2911 + unsigned int bits32;
2912 + struct bit_0060_2 {
2913 + unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr.
2914 + unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr.
2915 + unsigned int class_qf_int : 14; // bit 15:2 Classification Rx Queue13-0 Full Intr.
2916 + GMAC_INTR_T gmac0;
2917 + GMAC_INTR_T gmac1;
2918 + } bits;
2919 +} INTR_REG4_T;
2920 +
2921 +#define GMAC1_RESERVED_INT_BIT BIT(31)
2922 +#define GMAC1_MIB_INT_BIT BIT(30)
2923 +#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29)
2924 +#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28)
2925 +#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27)
2926 +#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26)
2927 +#define GMAC1_RX_OVERRUN_INT_BIT BIT(25)
2928 +#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24)
2929 +#define GMAC0_RESERVED_INT_BIT BIT(23)
2930 +#define GMAC0_MIB_INT_BIT BIT(22)
2931 +#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21)
2932 +#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20)
2933 +#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19)
2934 +#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18)
2935 +#define GMAC0_RX_OVERRUN_INT_BIT BIT(17)
2936 +#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16)
2937 +#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2))
2938 +#define HWFQ_EMPTY_INT_BIT BIT(1)
2939 +#define SWFQ_EMPTY_INT_BIT BIT(0)
2940 +
2941 +#if 1
2942 +#define GMAC0_INT_BITS (GMAC0_MIB_INT_BIT)
2943 +#define GMAC1_INT_BITS (GMAC1_MIB_INT_BIT)
2944 +#else
2945 +#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \
2946 + GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \
2947 + GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \
2948 + GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT)
2949 +#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \
2950 + GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \
2951 + GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \
2952 + GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT)
2953 +#endif
2954 +
2955 +#define CLASS_RX_FULL_INT_BITS 0xfffc
2956 +
2957 +/*
2958 + * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070)
2959 + */
2960 +typedef union {
2961 + unsigned int bits32;
2962 + struct bit_0070_2 {
2963 + unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold
2964 + unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold
2965 + unsigned int intrq : 8; // 23:16
2966 + unsigned int toe_class : 8; // 31:24
2967 + } bits;
2968 +} QUEUE_THRESHOLD_T;
2969 +
2970 +
2971 +/*
2972 + * GMAC DMA Control Register
2973 + * GMAC0 offset 0x8000
2974 + * GMAC1 offset 0xC000
2975 + */
2976 +typedef union {
2977 + unsigned int bits32;
2978 + struct bit_8000 {
2979 + unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width
2980 + unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request
2981 + unsigned int td_prot : 4; // bit 7:4 TxDMA protection control
2982 + unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width
2983 + unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request
2984 + unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control
2985 + unsigned int rd_insert_bytes : 2; // bit 17:16
2986 + unsigned int reserved : 10; // bit 27:18
2987 + unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept
2988 + unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA
2989 + unsigned int td_enable : 1; // bit 30 Tx DMA Enable
2990 + unsigned int rd_enable : 1; // bit 31 Rx DMA Enable
2991 + } bits;
2992 +} GMAC_DMA_CTRL_T;
2993 +
2994 +/*
2995 + * GMAC Tx Weighting Control Register 0
2996 + * GMAC0 offset 0x8004
2997 + * GMAC1 offset 0xC004
2998 + */
2999 +typedef union {
3000 + unsigned int bits32;
3001 + struct bit_8004 {
3002 + unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3
3003 + unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2
3004 + unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1
3005 + unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0
3006 + unsigned int reserved : 8; // bit 31:24
3007 + } bits;
3008 +} GMAC_TX_WCR0_T; /* Weighting Control Register 0 */
3009 +
3010 +/*
3011 + * GMAC Tx Weighting Control Register 1
3012 + * GMAC0 offset 0x8008
3013 + * GMAC1 offset 0xC008
3014 + */
3015 +typedef union {
3016 + unsigned int bits32;
3017 + struct bit_8008 {
3018 + unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0
3019 + unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1
3020 + unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2
3021 + unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3
3022 + unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4
3023 + unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5
3024 + unsigned int reserved : 2; // bit 31:30
3025 + } bits;
3026 +} GMAC_TX_WCR1_T; /* Weighting Control Register 1 */
3027 +
3028 +/*
3029 + * Queue Read/Write Pointer
3030 + * GMAC SW TX Queue 0~5 Read/Write Pointer register
3031 + * GMAC0 offset 0x800C ~ 0x8020
3032 + * GMAC1 offset 0xC00C ~ 0xC020
3033 + * GMAC HW TX Queue 0~3 Read/Write Pointer register
3034 + * GMAC0 offset 0x8024 ~ 0x8030
3035 + * GMAC1 offset 0xC024 ~ 0xC030
3036 + *
3037 + * see DMA_RWPTR_T structure
3038 + */
3039 +
3040 +/*
3041 + * GMAC DMA Tx First Description Address Register
3042 + * GMAC0 offset 0x8038
3043 + * GMAC1 offset 0xC038
3044 + */
3045 +typedef union {
3046 + unsigned int bits32;
3047 + struct bit_8038 {
3048 + unsigned int reserved : 3;
3049 + unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle
3050 + unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address
3051 + } bits;
3052 +} GMAC_TXDMA_FIRST_DESC_T;
3053 +
3054 +/*
3055 + * GMAC DMA Tx Current Description Address Register
3056 + * GMAC0 offset 0x803C
3057 + * GMAC1 offset 0xC03C
3058 + */
3059 +typedef union {
3060 + unsigned int bits32;
3061 + struct bit_803C {
3062 + unsigned int reserved : 4;
3063 + unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address
3064 + } bits;
3065 +} GMAC_TXDMA_CURR_DESC_T;
3066 +
3067 +/*
3068 + * GMAC DMA Tx Description Word 0 Register
3069 + * GMAC0 offset 0x8040
3070 + * GMAC1 offset 0xC040
3071 + */
3072 +typedef union {
3073 + unsigned int bits32;
3074 + struct bit_8040 {
3075 + unsigned int buffer_size : 16; // bit 15:0 Transfer size
3076 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
3077 + unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed
3078 + unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits
3079 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
3080 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
3081 + unsigned int reserved : 1; // bit 31
3082 + } bits;
3083 +} GMAC_TXDESC_0_T;
3084 +
3085 +/*
3086 + * GMAC DMA Tx Description Word 1 Register
3087 + * GMAC0 offset 0x8044
3088 + * GMAC1 offset 0xC044
3089 + */
3090 +typedef union {
3091 + unsigned int bits32;
3092 + struct txdesc_word1 {
3093 + unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count
3094 + unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting
3095 + unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable
3096 + unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable
3097 + unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable
3098 + unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable
3099 + unsigned int bypass_tss : 1; // bit 21
3100 + unsigned int ip_fixed_len : 1; // bit 22
3101 + unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved
3102 + } bits;
3103 +} GMAC_TXDESC_1_T;
3104 +
3105 +#define TSS_IP_FIXED_LEN_BIT BIT(22)
3106 +#define TSS_UDP_CHKSUM_BIT BIT(20)
3107 +#define TSS_TCP_CHKSUM_BIT BIT(19)
3108 +#define TSS_IPV6_ENABLE_BIT BIT(18)
3109 +#define TSS_IP_CHKSUM_BIT BIT(17)
3110 +#define TSS_MTU_ENABLE_BIT BIT(16)
3111 +
3112 +/*
3113 + * GMAC DMA Tx Description Word 2 Register
3114 + * GMAC0 offset 0x8048
3115 + * GMAC1 offset 0xC048
3116 + */
3117 +typedef union {
3118 + unsigned int bits32;
3119 + unsigned int buf_adr;
3120 +} GMAC_TXDESC_2_T;
3121 +
3122 +/*
3123 + * GMAC DMA Tx Description Word 3 Register
3124 + * GMAC0 offset 0x804C
3125 + * GMAC1 offset 0xC04C
3126 + */
3127 +typedef union {
3128 + unsigned int bits32;
3129 + struct txdesc_word3 {
3130 + unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count
3131 + unsigned int reserved : 18; // bit 28:11
3132 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
3133 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
3134 + } bits;
3135 +} GMAC_TXDESC_3_T;
3136 +#define SOF_EOF_BIT_MASK 0x3fffffff
3137 +#define SOF_BIT 0x80000000
3138 +#define EOF_BIT 0x40000000
3139 +#define EOFIE_BIT BIT(29)
3140 +#define MTU_SIZE_BIT_MASK 0x7ff
3141 +
3142 +/*
3143 + * GMAC Tx Descriptor
3144 + */
3145 +typedef struct {
3146 + GMAC_TXDESC_0_T word0;
3147 + GMAC_TXDESC_1_T word1;
3148 + GMAC_TXDESC_2_T word2;
3149 + GMAC_TXDESC_3_T word3;
3150 +} GMAC_TXDESC_T;
3151 +
3152 +/*
3153 + * GMAC DMA Rx First Description Address Register
3154 + * GMAC0 offset 0x8058
3155 + * GMAC1 offset 0xC058
3156 + */
3157 +typedef union {
3158 + unsigned int bits32;
3159 + struct bit_8058 {
3160 + unsigned int reserved : 3; // bit 2:0
3161 + unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle
3162 + unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address
3163 + } bits;
3164 +} GMAC_RXDMA_FIRST_DESC_T;
3165 +
3166 +/*
3167 + * GMAC DMA Rx Current Description Address Register
3168 + * GMAC0 offset 0x805C
3169 + * GMAC1 offset 0xC05C
3170 + */
3171 +typedef union {
3172 + unsigned int bits32;
3173 + struct bit_805C {
3174 + unsigned int reserved : 4; // bit 3:0
3175 + unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address
3176 + } bits;
3177 +} GMAC_RXDMA_CURR_DESC_T;
3178 +
3179 +/*
3180 + * GMAC DMA Rx Description Word 0 Register
3181 + * GMAC0 offset 0x8060
3182 + * GMAC1 offset 0xC060
3183 + */
3184 +typedef union {
3185 + unsigned int bits32;
3186 + struct bit_8060 {
3187 + unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame
3188 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
3189 + unsigned int status : 4; // bit 24:22 Status of rx frame
3190 + unsigned int chksum_status : 3; // bit 28:26 Check Sum Status
3191 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
3192 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
3193 + unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue
3194 + } bits;
3195 +} GMAC_RXDESC_0_T;
3196 +
3197 +#define GMAC_RXDESC_0_T_derr BIT(30)
3198 +#define GMAC_RXDESC_0_T_perr BIT(29)
3199 +#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26))
3200 +#define GMAC_RXDESC_0_T_status(x) BIT((x+22))
3201 +#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16))
3202 +
3203 +#define RX_CHKSUM_IP_UDP_TCP_OK 0
3204 +#define RX_CHKSUM_IP_OK_ONLY 1
3205 +#define RX_CHKSUM_NONE 2
3206 +#define RX_CHKSUM_IP_ERR_UNKNOWN 4
3207 +#define RX_CHKSUM_IP_ERR 5
3208 +#define RX_CHKSUM_TCP_UDP_ERR 6
3209 +#define RX_CHKSUM_NUM 8
3210 +
3211 +#define RX_STATUS_GOOD_FRAME 0
3212 +#define RX_STATUS_TOO_LONG_GOOD_CRC 1
3213 +#define RX_STATUS_RUNT_FRAME 2
3214 +#define RX_STATUS_SFD_NOT_FOUND 3
3215 +#define RX_STATUS_CRC_ERROR 4
3216 +#define RX_STATUS_TOO_LONG_BAD_CRC 5
3217 +#define RX_STATUS_ALIGNMENT_ERROR 6
3218 +#define RX_STATUS_TOO_LONG_BAD_ALIGN 7
3219 +#define RX_STATUS_RX_ERR 8
3220 +#define RX_STATUS_DA_FILTERED 9
3221 +#define RX_STATUS_BUFFER_FULL 10
3222 +#define RX_STATUS_NUM 16
3223 +
3224 +
3225 +/*
3226 + * GMAC DMA Rx Description Word 1 Register
3227 + * GMAC0 offset 0x8064
3228 + * GMAC1 offset 0xC064
3229 + */
3230 +typedef union {
3231 + unsigned int bits32;
3232 + struct rxdesc_word1 {
3233 + unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count
3234 + unsigned int sw_id : 16; // bit 31:16 Software ID
3235 + } bits;
3236 +} GMAC_RXDESC_1_T;
3237 +
3238 +/*
3239 + * GMAC DMA Rx Description Word 2 Register
3240 + * GMAC0 offset 0x8068
3241 + * GMAC1 offset 0xC068
3242 + */
3243 +typedef union {
3244 + unsigned int bits32;
3245 + unsigned int buf_adr;
3246 +} GMAC_RXDESC_2_T;
3247 +
3248 +#define RX_INSERT_NONE 0
3249 +#define RX_INSERT_1_BYTE 1
3250 +#define RX_INSERT_2_BYTE 2
3251 +#define RX_INSERT_3_BYTE 3
3252 +
3253 +#define RX_INSERT_BYTES RX_INSERT_2_BYTE
3254 +/*
3255 + * GMAC DMA Rx Description Word 3 Register
3256 + * GMAC0 offset 0x806C
3257 + * GMAC1 offset 0xC06C
3258 + */
3259 +typedef union {
3260 + unsigned int bits32;
3261 + struct rxdesc_word3 {
3262 + unsigned int l3_offset : 8; // bit 7: 0 L3 data offset
3263 + unsigned int l4_offset : 8; // bit 15: 8 L4 data offset
3264 + unsigned int l7_offset : 8; // bit 23: 16 L7 data offset
3265 + unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected
3266 + unsigned int abnormal : 1; // bit 25 abnormal case found
3267 + unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header
3268 + unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet
3269 + unsigned int ctrl_flag : 1; // bit 28 Control Flag is present
3270 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
3271 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
3272 + } bits;
3273 +} GMAC_RXDESC_3_T;
3274 +
3275 +/*
3276 + * GMAC Rx Descriptor
3277 + */
3278 +typedef struct {
3279 + GMAC_RXDESC_0_T word0;
3280 + GMAC_RXDESC_1_T word1;
3281 + GMAC_RXDESC_2_T word2;
3282 + GMAC_RXDESC_3_T word3;
3283 +} GMAC_RXDESC_T;
3284 +
3285 +/*
3286 + * GMAC Hash Engine Enable/Action Register 0 Offset Register
3287 + * GMAC0 offset 0x8070
3288 + * GMAC1 offset 0xC070
3289 + */
3290 +typedef union {
3291 + unsigned int bits32;
3292 + struct bit_8070 {
3293 + unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size
3294 + unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset
3295 + unsigned int reserved0 : 4; // bit 14:11
3296 + unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0
3297 + unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size
3298 + unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset
3299 + unsigned int timing : 3; // bit 29:27
3300 + unsigned int reserved1 : 1; // bit 30
3301 + unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1
3302 + } bits;
3303 +} GMAC_HASH_ENABLE_REG0_T;
3304 +
3305 +/*
3306 + * GMAC Hash Engine Enable/Action Register 1 Offset Register
3307 + * GMAC0 offset 0x8074
3308 + * GMAC1 offset 0xC074
3309 + */
3310 +typedef union {
3311 + unsigned int bits32;
3312 + struct bit_8074 {
3313 + unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size
3314 + unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset
3315 + unsigned int reserved2 : 4; // bit 14:11
3316 + unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2
3317 + unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size
3318 + unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset
3319 + unsigned int reserved1 : 4; // bit 30:27
3320 + unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3
3321 + } bits;
3322 +} GMAC_HASH_ENABLE_REG1_T;
3323 +
3324 +/*
3325 + * GMAC Matching Rule Control Register 0
3326 + * GMAC0 offset 0x8078
3327 + * GMAC1 offset 0xC078
3328 + */
3329 +typedef union {
3330 + unsigned int bits32;
3331 + struct bit_8078 {
3332 + unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0
3333 + unsigned int reserved2 : 4; // bit 11:8
3334 + unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class
3335 + unsigned int flow_lable : 1; // bit 13 IPV6 Flow label
3336 + unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length
3337 + unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6
3338 + unsigned int reserved1 : 3; // bit 18:16
3339 + unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable
3340 + unsigned int vlan : 1; // bit 20 VLAN ID enable
3341 + unsigned int ether_type : 1; // bit 21 Ethernet type enable
3342 + unsigned int sa : 1; // bit 22 MAC SA enable
3343 + unsigned int da : 1; // bit 23 MAC DA enable
3344 + unsigned int priority : 3; // bit 26:24 priority if multi-rules matched
3345 + unsigned int port : 1; // bit 27 PORT ID matching enable
3346 + unsigned int l7 : 1; // bit 28 L7 matching enable
3347 + unsigned int l4 : 1; // bit 29 L4 matching enable
3348 + unsigned int l3 : 1; // bit 30 L3 matching enable
3349 + unsigned int l2 : 1; // bit 31 L2 matching enable
3350 + } bits;
3351 +} GMAC_MRxCR0_T;
3352 +
3353 +#define MR_L2_BIT BIT(31)
3354 +#define MR_L3_BIT BIT(30)
3355 +#define MR_L4_BIT BIT(29)
3356 +#define MR_L7_BIT BIT(28)
3357 +#define MR_PORT_BIT BIT(27)
3358 +#define MR_PRIORITY_BIT BIT(26)
3359 +#define MR_DA_BIT BIT(23)
3360 +#define MR_SA_BIT BIT(22)
3361 +#define MR_ETHER_TYPE_BIT BIT(21)
3362 +#define MR_VLAN_BIT BIT(20)
3363 +#define MR_PPPOE_BIT BIT(19)
3364 +#define MR_IP_VER_BIT BIT(15)
3365 +#define MR_IP_HDR_LEN_BIT BIT(14)
3366 +#define MR_FLOW_LABLE_BIT BIT(13)
3367 +#define MR_TOS_TRAFFIC_BIT BIT(12)
3368 +#define MR_SPR_BIT(x) BIT(x)
3369 +#define MR_SPR_BITS 0xff
3370 +
3371 +/*
3372 + * GMAC Matching Rule Control Register 1
3373 + * GMAC0 offset 0x807C
3374 + * GMAC1 offset 0xC07C
3375 + */
3376 +typedef union {
3377 + unsigned int bits32;
3378 + struct bit_807C {
3379 + unsigned int l4_byte0_15 : 16; // bit 15: 0
3380 + unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits
3381 + unsigned int dip : 1; // bit 23 Dest IP
3382 + unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits
3383 + unsigned int sip : 1; // bit 31 Srce IP
3384 + } bits;
3385 +} GMAC_MRxCR1_T;
3386 +
3387 +/*
3388 + * GMAC Matching Rule Control Register 2
3389 + * GMAC0 offset 0x8080
3390 + * GMAC1 offset 0xC080
3391 + */
3392 +typedef union {
3393 + unsigned int bits32;
3394 + struct bit_8080 {
3395 + unsigned int l7_byte0_23 : 24; // bit 23:0
3396 + unsigned int l4_byte16_24 : 8; // bit 31: 24
3397 + } bits;
3398 +} GMAC_MRxCR2_T;
3399 +
3400 +/*
3401 + * GMAC Support registers
3402 + * GMAC0 offset 0x80A8
3403 + * GMAC1 offset 0xC0A8
3404 + */
3405 +typedef union {
3406 + unsigned int bits32;
3407 + struct bit_80A8 {
3408 + unsigned int protocol : 8; // bit 7:0 Supported protocol
3409 + unsigned int swap : 3; // bit 10:8 Swap
3410 + unsigned int reserved : 21; // bit 31:11
3411 + } bits;
3412 +} GMAC_SPR_T;
3413 +
3414 +/*
3415 + * GMAC_AHB_WEIGHT registers
3416 + * GMAC0 offset 0x80C8
3417 + * GMAC1 offset 0xC0C8
3418 + */
3419 +typedef union {
3420 + unsigned int bits32;
3421 + struct bit_80C8 {
3422 + unsigned int hash_weight : 5; // 4:0
3423 + unsigned int rx_weight : 5; // 9:5
3424 + unsigned int tx_weight : 5; // 14:10
3425 + unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold
3426 + unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold
3427 + unsigned int reserved : 7; // 31:25
3428 + } bits;
3429 +} GMAC_AHB_WEIGHT_T;
3430 +
3431 +/*
3432 + * the register structure of GMAC
3433 + */
3434 +
3435 +/*
3436 + * GMAC RX FLTR
3437 + * GMAC0 Offset 0xA00C
3438 + * GMAC1 Offset 0xE00C
3439 + */
3440 +typedef union {
3441 + unsigned int bits32;
3442 + struct bit1_000c {
3443 + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */
3444 + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */
3445 + unsigned int broadcast : 1; /* enable receive of broadcast frames */
3446 + unsigned int promiscuous : 1; /* enable receive of all frames */
3447 + unsigned int error : 1; /* enable receive of all error frames */
3448 + unsigned int : 27;
3449 + } bits;
3450 +} GMAC_RX_FLTR_T;
3451 +
3452 +/*
3453 + * GMAC Configuration 0
3454 + * GMAC0 Offset 0xA018
3455 + * GMAC1 Offset 0xE018
3456 + */
3457 +typedef union {
3458 + unsigned int bits32;
3459 + struct bit1_0018 {
3460 + unsigned int dis_tx : 1; /* 0: disable transmit */
3461 + unsigned int dis_rx : 1; /* 1: disable receive */
3462 + unsigned int loop_back : 1; /* 2: transmit data loopback enable */
3463 + unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */
3464 + unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */
3465 + unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */
3466 + unsigned int dis_bkoff : 1; /* 11: disable back-off function */
3467 + unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */
3468 + unsigned int sim_test : 1; /* 13: speed up timers in simulation */
3469 + unsigned int rx_fc_en : 1; /* 14: RX flow control enable */
3470 + unsigned int tx_fc_en : 1; /* 15: TX flow control enable */
3471 + unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */
3472 + unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */
3473 + unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */
3474 + unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */
3475 + unsigned int rgmm_edge : 1; // 20
3476 + unsigned int rxc_inv : 1; // 21
3477 + unsigned int ipv6_exthdr_order : 1; // 22
3478 + unsigned int rx_err_detect : 1; // 23
3479 + unsigned int port0_chk_hwq : 1; // 24
3480 + unsigned int port1_chk_hwq : 1; // 25
3481 + unsigned int port0_chk_toeq : 1; // 26
3482 + unsigned int port1_chk_toeq : 1; // 27
3483 + unsigned int port0_chk_classq : 1; // 28
3484 + unsigned int port1_chk_classq : 1; // 29
3485 + unsigned int reserved : 2; // 31
3486 + } bits;
3487 +} GMAC_CONFIG0_T;
3488 +
3489 +/*
3490 + * GMAC Configuration 1
3491 + * GMAC0 Offset 0xA01C
3492 + * GMAC1 Offset 0xE01C
3493 + */
3494 +typedef union {
3495 + unsigned int bits32;
3496 + struct bit1_001c {
3497 + unsigned int set_threshold : 8; /* flow control set threshold */
3498 + unsigned int rel_threshold : 8; /* flow control release threshold */
3499 + unsigned int reserved : 16;
3500 + } bits;
3501 +} GMAC_CONFIG1_T;
3502 +
3503 +#define GMAC_FLOWCTRL_SET_MAX 32
3504 +#define GMAC_FLOWCTRL_SET_MIN 0
3505 +#define GMAC_FLOWCTRL_RELEASE_MAX 32
3506 +#define GMAC_FLOWCTRL_RELEASE_MIN 0
3507 +
3508 +/*
3509 + * GMAC Configuration 2
3510 + * GMAC0 Offset 0xA020
3511 + * GMAC1 Offset 0xE020
3512 + */
3513 +typedef union {
3514 + unsigned int bits32;
3515 + struct bit1_0020 {
3516 + unsigned int set_threshold : 16; /* flow control set threshold */
3517 + unsigned int rel_threshold : 16; /* flow control release threshold */
3518 + } bits;
3519 +} GMAC_CONFIG2_T;
3520 +
3521 +/*
3522 + * GMAC Configuration 3
3523 + * GMAC0 Offset 0xA024
3524 + * GMAC1 Offset 0xE024
3525 + */
3526 +typedef union {
3527 + unsigned int bits32;
3528 + struct bit1_0024 {
3529 + unsigned int set_threshold : 16; /* flow control set threshold */
3530 + unsigned int rel_threshold : 16; /* flow control release threshold */
3531 + } bits;
3532 +} GMAC_CONFIG3_T;
3533 +
3534 +
3535 +/*
3536 + * GMAC STATUS
3537 + * GMAC0 Offset 0xA02C
3538 + * GMAC1 Offset 0xE02C
3539 + */
3540 +typedef union {
3541 + unsigned int bits32;
3542 + struct bit1_002c {
3543 + unsigned int link : 1; /* link status */
3544 + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */
3545 + unsigned int duplex : 1; /* duplex mode */
3546 + unsigned int reserved : 1;
3547 + unsigned int mii_rmii : 2; /* PHY interface type */
3548 + unsigned int : 25;
3549 + } bits;
3550 +} GMAC_STATUS_T;
3551 +
3552 +#define GMAC_SPEED_10 0
3553 +#define GMAC_SPEED_100 1
3554 +#define GMAC_SPEED_1000 2
3555 +
3556 +#define GMAC_PHY_MII 0
3557 +#define GMAC_PHY_GMII 1
3558 +#define GMAC_PHY_RGMII_100_10 2
3559 +#define GMAC_PHY_RGMII_1000 3
3560 +
3561 +/*
3562 + * Queue Header
3563 + * (1) TOE Queue Header
3564 + * (2) Non-TOE Queue Header
3565 + * (3) Interrupt Queue Header
3566 + *
3567 + * memory Layout
3568 + * TOE Queue Header
3569 + * 0x60003000 +---------------------------+ 0x0000
3570 + * | TOE Queue 0 Header |
3571 + * | 8 * 4 Bytes |
3572 + * +---------------------------+ 0x0020
3573 + * | TOE Queue 1 Header |
3574 + * | 8 * 4 Bytes |
3575 + * +---------------------------+ 0x0040
3576 + * | ...... |
3577 + * | |
3578 + * +---------------------------+
3579 + *
3580 + * Non TOE Queue Header
3581 + * 0x60002000 +---------------------------+ 0x0000
3582 + * | Default Queue 0 Header |
3583 + * | 2 * 4 Bytes |
3584 + * +---------------------------+ 0x0008
3585 + * | Default Queue 1 Header |
3586 + * | 2 * 4 Bytes |
3587 + * +---------------------------+ 0x0010
3588 + * | Classification Queue 0 |
3589 + * | 2 * 4 Bytes |
3590 + * +---------------------------+
3591 + * | Classification Queue 1 |
3592 + * | 2 * 4 Bytes |
3593 + * +---------------------------+ (n * 8 + 0x10)
3594 + * | ... |
3595 + * | 2 * 4 Bytes |
3596 + * +---------------------------+ (13 * 8 + 0x10)
3597 + * | Classification Queue 13 |
3598 + * | 2 * 4 Bytes |
3599 + * +---------------------------+ 0x80
3600 + * | Interrupt Queue 0 |
3601 + * | 2 * 4 Bytes |
3602 + * +---------------------------+
3603 + * | Interrupt Queue 1 |
3604 + * | 2 * 4 Bytes |
3605 + * +---------------------------+
3606 + * | Interrupt Queue 2 |
3607 + * | 2 * 4 Bytes |
3608 + * +---------------------------+
3609 + * | Interrupt Queue 3 |
3610 + * | 2 * 4 Bytes |
3611 + * +---------------------------+
3612 + *
3613 + */
3614 +#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32)
3615 +#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX + 1))
3616 +#define TOE_DEFAULT_Q_HDR_BASE(x) (TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x))
3617 +#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10)
3618 +#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80)
3619 +#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8)
3620 +#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX + 1))
3621 +/*
3622 + * TOE Queue Header Word 0
3623 + */
3624 +typedef union {
3625 + unsigned int bits32;
3626 + unsigned int base_size;
3627 +} TOE_QHDR0_T;
3628 +
3629 +#define TOE_QHDR0_BASE_MASK (~0x0f)
3630 +
3631 +/*
3632 + * TOE Queue Header Word 1
3633 + */
3634 +typedef union {
3635 + unsigned int bits32;
3636 + struct bit_qhdr1 {
3637 + unsigned int rptr : 16; // bit 15:0
3638 + unsigned int wptr : 16; // bit 31:16
3639 + } bits;
3640 +} TOE_QHDR1_T;
3641 +
3642 +/*
3643 + * TOE Queue Header Word 2
3644 + */
3645 +typedef union {
3646 + unsigned int bits32;
3647 + struct bit_qhdr2 {
3648 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
3649 + unsigned int reserved : 7; // bit 23:17
3650 + unsigned int dack : 1; // bit 24 1: Duplicated ACK
3651 + unsigned int abn : 1; // bit 25 1: Abnormal case Found
3652 + unsigned int tcp_opt : 1; // bit 26 1: Have TCP option
3653 + unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header
3654 + unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
3655 + unsigned int osq : 1; // bit 29 1: out of sequence
3656 + unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack)
3657 + unsigned int usd : 1; // bit 31 0: if no data assembled yet
3658 + } bits;
3659 +} TOE_QHDR2_T;
3660 +
3661 +/*
3662 + * TOE Queue Header Word 3
3663 + */
3664 +typedef union {
3665 + unsigned int bits32;
3666 + unsigned int seq_num;
3667 +} TOE_QHDR3_T;
3668 +
3669 +/*
3670 + * TOE Queue Header Word 4
3671 + */
3672 +typedef union {
3673 + unsigned int bits32;
3674 + unsigned int ack_num;
3675 +} TOE_QHDR4_T;
3676 +
3677 +/*
3678 + * TOE Queue Header Word 5
3679 + */
3680 +typedef union {
3681 + unsigned int bits32;
3682 + struct bit_qhdr5 {
3683 + unsigned int AckCnt : 16; // bit 15:0
3684 + unsigned int SeqCnt : 16; // bit 31:16
3685 + } bits;
3686 +} TOE_QHDR5_T;
3687 +
3688 +/*
3689 + * TOE Queue Header Word 6
3690 + */
3691 +typedef union {
3692 + unsigned int bits32;
3693 + struct bit_qhdr6 {
3694 + unsigned int WinSize : 16; // bit 15:0
3695 + unsigned int iq_num : 2; // bit 17:16
3696 + unsigned int MaxPktSize : 14; // bit 31:18
3697 + } bits;
3698 +} TOE_QHDR6_T;
3699 +
3700 +/*
3701 + * TOE Queue Header Word 7
3702 + */
3703 +typedef union {
3704 + unsigned int bits32;
3705 + struct bit_qhdr7 {
3706 + unsigned int AckThreshold : 16; // bit 15:0
3707 + unsigned int SeqThreshold : 16; // bit 31:16
3708 + } bits;
3709 +} TOE_QHDR7_T;
3710 +
3711 +/*
3712 + * TOE Queue Header
3713 + */
3714 +typedef struct {
3715 + TOE_QHDR0_T word0;
3716 + TOE_QHDR1_T word1;
3717 + TOE_QHDR2_T word2;
3718 + TOE_QHDR3_T word3;
3719 + TOE_QHDR4_T word4;
3720 + TOE_QHDR5_T word5;
3721 + TOE_QHDR6_T word6;
3722 + TOE_QHDR7_T word7;
3723 +} TOE_QHDR_T;
3724 +
3725 +/*
3726 + * NONTOE Queue Header Word 0
3727 + */
3728 +typedef union {
3729 + unsigned int bits32;
3730 + unsigned int base_size;
3731 +} NONTOE_QHDR0_T;
3732 +
3733 +#define NONTOE_QHDR0_BASE_MASK (~0x0f)
3734 +
3735 +/*
3736 + * NONTOE Queue Header Word 1
3737 + */
3738 +typedef union {
3739 + unsigned int bits32;
3740 + struct bit_nonqhdr1 {
3741 + unsigned int rptr : 16; // bit 15:0
3742 + unsigned int wptr : 16; // bit 31:16
3743 + } bits;
3744 +} NONTOE_QHDR1_T;
3745 +
3746 +/*
3747 + * Non-TOE Queue Header
3748 + */
3749 +typedef struct {
3750 + NONTOE_QHDR0_T word0;
3751 + NONTOE_QHDR1_T word1;
3752 +} NONTOE_QHDR_T;
3753 +
3754 +/*
3755 + * Interrupt Queue Header Word 0
3756 + */
3757 +typedef union {
3758 + unsigned int bits32;
3759 + struct bit_intrqhdr0 {
3760 + unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size
3761 + unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped
3762 + } bits;
3763 +} INTR_QHDR0_T;
3764 +
3765 +/*
3766 + * Interrupt Queue Header Word 1
3767 + */
3768 +typedef union {
3769 + unsigned int bits32;
3770 + struct bit_intrqhdr1 {
3771 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
3772 + unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID
3773 + unsigned int dack : 1; // bit 25 1: Duplicated ACK
3774 + unsigned int abn : 1; // bit 26 1: Abnormal case Found
3775 + unsigned int tcp_opt : 1; // bit 27 1: Have TCP option
3776 + unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header
3777 + unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
3778 + unsigned int osq : 1; // bit 30 1: out of sequence
3779 + unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack)
3780 + } bits;
3781 +} INTR_QHDR1_T;
3782 +
3783 +/*
3784 + * Interrupt Queue Header Word 2
3785 + */
3786 +typedef union {
3787 + unsigned int bits32;
3788 + unsigned int seq_num;
3789 +} INTR_QHDR2_T;
3790 +
3791 +/*
3792 + * Interrupt Queue Header Word 3
3793 + */
3794 +typedef union {
3795 + unsigned int bits32;
3796 + unsigned int ack_num;
3797 +} INTR_QHDR3_T;
3798 +
3799 +/*
3800 + * Interrupt Queue Header Word 4
3801 + */
3802 +typedef union {
3803 + unsigned int bits32;
3804 + struct bit_intrqhdr4 {
3805 + unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr.
3806 + unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr.
3807 + } bits;
3808 +} INTR_QHDR4_T;
3809 +
3810 +/*
3811 + * Interrupt Queue Header
3812 + */
3813 +typedef struct {
3814 + INTR_QHDR0_T word0;
3815 + INTR_QHDR1_T word1;
3816 + INTR_QHDR2_T word2;
3817 + INTR_QHDR3_T word3;
3818 + INTR_QHDR4_T word4;
3819 + unsigned int word5;
3820 + unsigned int word6;
3821 + unsigned int word7;
3822 +} INTR_QHDR_T;
3823 +
3824 +/*
3825 + * GMAC private data
3826 + */
3827 +typedef struct {
3828 + unsigned int rwptr_reg;
3829 + unsigned int desc_base;
3830 + unsigned int desc_base_dma;
3831 + unsigned short finished_idx;
3832 + struct sk_buff *tx_skb[TOE_GMAC_SWTXQ_DESC_NUM];
3833 +} GMAC_SWTXQ_T;
3834 +
3835 +struct gmac_private {
3836 + struct phy_device *phydev;
3837 + unsigned int port_id;
3838 + unsigned int dma_base_addr;
3839 + unsigned int swtxq_desc_base;
3840 + GMAC_SWTXQ_T swtxq[TOE_SW_TXQ_NUM];
3841 + NONTOE_QHDR_T *default_qhdr;
3842 + unsigned int default_desc_base;
3843 + dma_addr_t default_desc_base_dma;
3844 + dma_addr_t swtxq_desc_base_dma;
3845 + unsigned int flow_control_enable;
3846 + unsigned int intr0_enabled;
3847 + unsigned int intr1_enabled;
3848 + unsigned int intr2_enabled;
3849 + unsigned int intr3_enabled;
3850 + unsigned int intr4_enabled;
3851 + unsigned int intr0_selected;
3852 + unsigned int intr1_selected;
3853 + unsigned int intr2_selected;
3854 + unsigned int intr3_selected;
3855 + unsigned int intr4_selected;
3856 +};
3857 +
3858 +struct toe_private {
3859 + void __iomem *global_base;
3860 + struct net_device *net_dev[2];
3861 + struct device *dev;
3862 + struct work_struct freq_work;
3863 + spinlock_t freeq_lock;
3864 + unsigned int swfq_desc_base;
3865 + unsigned int hwfq_desc_base;
3866 + unsigned int hwfq_buf_base;
3867 + dma_addr_t sw_freeq_desc_base_dma;
3868 + dma_addr_t hw_freeq_desc_base_dma;
3869 + dma_addr_t hwfq_buf_base_dma;
3870 + dma_addr_t hwfq_buf_end_dma;
3871 +};
3872 +
3873 +#define GMAC_PORT0 0
3874 +#define GMAC_PORT1 1
3875 +
3876 +#endif /* _GMAC_SL351x_H */
3877 --- /dev/null
3878 +++ b/drivers/net/gemini_negmac/Makefile
3879 @@ -0,0 +1,3 @@
3880 +obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC)+= gemini_negmac.o
3881 +
3882 +gemini_negmac-objs := gm_gmac.o
3883 --- a/drivers/net/Kconfig
3884 +++ b/drivers/net/Kconfig
3885 @@ -2068,6 +2068,13 @@ config ACENIC_OMIT_TIGON_I
3886
3887 The safe and default value for this is N.
3888
3889 +config GEMINI_NET_ENGINE_GMAC
3890 + tristate "Gemini Gigabit Ethernet support"
3891 + depends on ARCH_GEMINI
3892 + select PHYLIB
3893 + help
3894 + This driver supports Gemini TOE and NAT dual Gigabit Ethernet.
3895 +
3896 config DL2K
3897 tristate "DL2000/TC902x-based Gigabit Ethernet support"
3898 depends on PCI
3899 --- a/drivers/net/Makefile
3900 +++ b/drivers/net/Makefile
3901 @@ -257,6 +257,7 @@ obj-$(CONFIG_MLX4_CORE) += mlx4/
3902 obj-$(CONFIG_ENC28J60) += enc28j60.o
3903 obj-$(CONFIG_ETHOC) += ethoc.o
3904 obj-$(CONFIG_GRETH) += greth.o
3905 +obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC) += gemini_negmac/
3906
3907 obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
3908
3909 --- /dev/null
3910 +++ b/drivers/usb/host/ehci-fotg2xx.c
3911 @@ -0,0 +1,459 @@
3912 +/*
3913 + * EHCI Host Controller driver
3914 + *
3915 + * Copyright (C) 2006 Sony Computer Entertainment Inc.
3916 + * Copyright 2006 Sony Corp.
3917 + *
3918 + * This program is free software; you can redistribute it and/or modify
3919 + * it under the terms of the GNU General Public License as published by
3920 + * the Free Software Foundation; version 2 of the License.
3921 + */
3922 +
3923 +#include <linux/platform_device.h>
3924 +#include <mach/hardware.h>
3925 +
3926 +#define otg_set(port, bits) writel(readl(hcd->regs + port) | bits, hcd->regs + port)
3927 +
3928 +#define otg_clear(port, bits) writel(readl(hcd->regs + port) & ~bits, hcd->regs + port)
3929 +
3930 +#define GLOBAL_ISR 0xC0
3931 +#define GLOBAL_ICR 0xC4
3932 +
3933 +#define HCD_MISC 0x40
3934 +
3935 +#define OTGC_SCR 0x80
3936 +#define OTGC_INT_EN 0x88
3937 +
3938 +#define GLOBAL_INT_POLARITY (1 << 3)
3939 +#define GLOBAL_INT_MASK_HC (1 << 2)
3940 +#define GLOBAL_INT_MASK_OTG (1 << 1)
3941 +#define GLOBAL_INT_MASK_DEV (1 << 0)
3942 +
3943 +#define OTGC_SCR_ID (1 << 21)
3944 +#define OTGC_SCR_CROLE (1 << 20)
3945 +#define OTGC_SCR_VBUS_VLD (1 << 19)
3946 +#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8)
3947 +#define OTGC_SCR_A_SRP_DET_EN (1 << 7)
3948 +#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6)
3949 +#define OTGC_SCR_A_BUS_DROP (1 << 5)
3950 +#define OTGC_SCR_A_BUS_REQ (1 << 4)
3951 +
3952 +#define OTGC_INT_APLGRMV (1 << 12)
3953 +#define OTGC_INT_BPLGRMV (1 << 11)
3954 +#define OTGC_INT_OVC (1 << 10)
3955 +#define OTGC_INT_IDCHG (1 << 9)
3956 +#define OTGC_INT_RLCHG (1 << 8)
3957 +#define OTGC_INT_AVBUSERR (1 << 5)
3958 +#define OTGC_INT_ASRPDET (1 << 4)
3959 +#define OTGC_INT_BSRPDN (1 << 0)
3960 +
3961 +#define OTGC_INT_A_TYPE (OTGC_INT_ASRPDET|OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG|OTGC_INT_APLGRMV)
3962 +#define OTGC_INT_B_TYPE (OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG)
3963 +
3964 +static void fotg2xx_otgc_role_change(struct usb_hcd *hcd);
3965 +
3966 +static void fotg2xx_otgc_init(struct usb_hcd *hcd)
3967 +{
3968 + struct ehci_hcd *ehci = hcd_to_ehci(hcd);
3969 + unsigned int reg;
3970 +
3971 + reg = __raw_readl(hcd->regs + OTGC_SCR);
3972 + ehci_info(ehci, "role detected: %s, ",
3973 + (reg & OTGC_SCR_CROLE) ? "Peripheral" : "Host");
3974 +
3975 + if (reg & OTGC_SCR_ID)
3976 + ehci_info(ehci, "B-Device (may be unsupported!)\n");
3977 + else
3978 + ehci_info(ehci, "A-Device\n");
3979 +
3980 + /* Enable the SRP detect */
3981 + reg &= ~OTGC_SCR_A_SRP_RESP_TYPE;
3982 + __raw_writel(reg, hcd->regs + OTGC_SCR);
3983 +
3984 + reg = __raw_readl(hcd->regs + OTGC_INT_EN);
3985 + /* clear INT B: bits AVBUSERR | OVC | RLCHG | IDCHG */
3986 + reg &= ~OTGC_INT_B_TYPE;
3987 + /* set INT A: bits ASRPDET | AVBUSERR | OVC | RLCHG | IDCHG | APLGRMV */
3988 + reg |= OTGC_INT_A_TYPE;
3989 + __raw_writel(reg, hcd->regs + OTGC_INT_EN);
3990 +
3991 + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
3992 + reg &= ~GLOBAL_INT_MASK_OTG;
3993 + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
3994 +
3995 + /* setup MISC register, fixes timing problems */
3996 + reg = __raw_readl(hcd->regs + HCD_MISC);
3997 + reg |= 0xD;
3998 + __raw_writel(reg, hcd->regs + HCD_MISC);
3999 +
4000 + fotg2xx_otgc_role_change(hcd);
4001 +}
4002 +
4003 +static void fotg2xx_otgh_close(struct usb_hcd *hcd)
4004 +{
4005 + unsigned int reg;
4006 +
4007 + /* <1>.Enable Interrupt Mask */
4008 + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
4009 + reg |= GLOBAL_INT_MASK_HC;
4010 + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
4011 +
4012 + /* <2>.Clear the Interrupt status */
4013 + reg = __raw_readl(hcd->regs + 0x18);
4014 + reg &= 0x0000003F;
4015 + __raw_writel(reg, hcd->regs + 0x14);
4016 +}
4017 +
4018 +static void fotg2xx_otgh_open(struct usb_hcd *hcd)
4019 +{
4020 + unsigned int reg;
4021 +
4022 + reg = __raw_readl(hcd->regs + OTGC_SCR);
4023 + reg &= ~OTGC_SCR_A_SRP_DET_EN;
4024 + __raw_writel(reg, hcd->regs + OTGC_SCR);
4025 +
4026 + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
4027 + reg &= ~GLOBAL_INT_MASK_HC;
4028 + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
4029 +}
4030 +
4031 +/* change to host role */
4032 +static void fotg2xx_otgc_role_change(struct usb_hcd *hcd)
4033 +{
4034 +
4035 + /* clear A_SET_B_HNP_EN */
4036 + otg_clear(0x80, BIT(6));
4037 +
4038 + /*** Enable VBUS driving */
4039 + if (readl(hcd->regs + 0x80) & BIT(19))
4040 + printk(KERN_INFO "VBUS already enabled\n");
4041 + else {
4042 + int cnt = 0;
4043 +
4044 + /* clear A_BUS_DROP */
4045 + otg_clear(0x80, BIT(5));
4046 +
4047 + /* set A_BUS_REQ */
4048 + otg_set(0x80, BIT(4));
4049 +
4050 + /* set global bus reg to VBUS on */
4051 + writel(readl(IO_ADDRESS(0x40000000) + 0x30) | ((BIT(21)|BIT(22))),
4052 + IO_ADDRESS(0x40000000) + 0x30);
4053 +
4054 + if (readl(hcd->regs + 0x80) & (1<<19)) {
4055 + printk(KERN_INFO "Waiting for VBus");
4056 + while (!(readl(hcd->regs + 0x80) & (1<<19)) && (cnt < 80)) {
4057 + printk(KERN_CONT ".");
4058 + cnt++;
4059 + }
4060 + printk(KERN_CONT "\n");
4061 + } else
4062 + printk(KERN_INFO "VBUS enabled.\n");
4063 +
4064 + mdelay(1);
4065 + }
4066 + fotg2xx_otgh_open(hcd);
4067 +}
4068 +
4069 +static int fotg2xx_ehci_hc_reset(struct usb_hcd *hcd)
4070 +{
4071 + int result;
4072 + struct ehci_hcd *ehci = hcd_to_ehci(hcd);
4073 +
4074 + ehci->caps = hcd->regs;
4075 + ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
4076 +
4077 + dbg_hcs_params(ehci, "reset");
4078 + dbg_hcc_params(ehci, "reset");
4079 +
4080 + ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
4081 + hcd->has_tt = 1;
4082 +
4083 + result = ehci_halt(ehci);
4084 + if (result)
4085 + return result;
4086 +
4087 + result = ehci_init(hcd);
4088 + if (result)
4089 + return result;
4090 +
4091 + ehci_port_power(ehci, 0);
4092 +
4093 + return result;
4094 +}
4095 +
4096 +/*
4097 + * Name: OTGC_INT_ISR
4098 + * Description:This interrupt service routine belongs to the OTG-Controller
4099 + * <1>.Check for ID_Change
4100 + * <2>.Check for RL_Change
4101 + * <3>.Error Detect
4102 + * Input: wINTStatus
4103 + * Output:void
4104 + */
4105 +void fotg2xx_int_isr(struct usb_hcd *hcd, u32 wINTStatus)
4106 +{
4107 + /* <1>.Check for ID_Change */
4108 + if (wINTStatus&OTGC_INT_IDCHG) {
4109 + if ((readl(hcd->regs + 0x80) & BIT(21)) != 0)
4110 + fotg2xx_otgc_init(hcd); /* Change to B Type */
4111 + else
4112 + fotg2xx_otgc_init(hcd); /* Change to A Type */
4113 +
4114 + return;
4115 + }
4116 +
4117 + /* <2>.Check for RL_Change */
4118 + if (wINTStatus&OTGC_INT_RLCHG)
4119 + fotg2xx_otgc_role_change(hcd);
4120 +
4121 + /* <3>.Error Detect */
4122 + if (wINTStatus&OTGC_INT_AVBUSERR)
4123 + printk(KERN_ERR "VBus error!\n");
4124 +
4125 + if (wINTStatus&OTGC_INT_OVC)
4126 + printk(KERN_WARNING "Overcurrent detected!\n");
4127 +
4128 + /* <3>.Check for Type-A/Type-B Interrupt */
4129 + if ((readl(hcd->regs + 0x80) & BIT(21)) == 0) { /*For Type-A Interrupt*/
4130 + if (wINTStatus & (OTGC_INT_A_TYPE | OTGC_INT_ASRPDET)) {
4131 + /* <1>.SRP detected => then set global variable */
4132 + printk(KERN_WARNING "SRP detected, but not implemented!\n");
4133 +
4134 +#if 0
4135 + u32 wTempCounter;
4136 + /* <2>.Turn on the V Bus */
4137 + pFTC_OTG->otg.state = OTG_STATE_A_WAIT_VRISE;
4138 + OTGC_enable_vbus_draw_storlink(1);
4139 + pFTC_OTG->otg.state = OTG_STATE_A_HOST;
4140 + /* <3>.Should waiting for Device-Connect Wait 300ms */
4141 + INFO(pFTC_OTG, ">>> OTG-A Waiting for OTG-B Connect,\n");
4142 + wTempCounter = 0;
4143 + while (mwHost20_PORTSC_ConnectStatus_Rd() == 0) {
4144 + mdelay(1);
4145 + wTempCounter++;
4146 + /* Waiting for 300 ms */
4147 + if (wTempCounter > 300) {
4148 + mdwOTGC_Control_A_SRP_DET_EN_Clr();
4149 + INFO(pFTC_OTG, ">>> OTG-B do not connect under 300 ms...\n");
4150 + break;
4151 + }
4152 + }
4153 + /* <4>.If Connect => issue quick Reset */
4154 + if (mwHost20_PORTSC_ConnectStatus_Rd() > 0) {
4155 + mdelay(300); /* For OPT-A Test */
4156 + OTGH_host_quick_Reset();
4157 + OTGH_Open();
4158 + pFTC_OTG->otg.host->A_Disable_Set_Feature_HNP = 0;
4159 + }
4160 +#endif
4161 + }
4162 + } else { /* For Type-B Interrupt */
4163 + BUG();
4164 + }
4165 +}
4166 +
4167 +static irqreturn_t fotg2xx_ehci_irq(int irq, void *devid)
4168 +{
4169 + struct usb_hcd *hcd = devid;
4170 + u32 val;
4171 +
4172 + /* OTG Interrupt Status Register */
4173 + val = readl(hcd->regs + 0x84);
4174 +
4175 + /* OTG stuff */
4176 + if (val) {
4177 + /* supposed to do "INT STS Clr" - XXX */
4178 + writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
4179 +
4180 + fotg2xx_int_isr(hcd, val);
4181 +
4182 + /* supposed to do "INT STS Clr" - XXX */
4183 + writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
4184 +
4185 + return IRQ_HANDLED;
4186 + }
4187 +
4188 + if ((readl(hcd->regs + 0x80) & BIT(20)) == 0) { /* Role is HOST */
4189 + if (readl(hcd->regs + 0xC0) & BIT(2)) { /* INT STS HOST */
4190 + /* leave this for ehci irq handler */
4191 + return IRQ_NONE;
4192 + }
4193 + } else
4194 + printk(KERN_WARNING
4195 + "received irq for peripheral - don't know what to do!\n");
4196 +
4197 + /* do not call the ehci irq handler */
4198 + return IRQ_HANDLED;
4199 +}
4200 +
4201 +static int fotg2xx_ehci_run(struct usb_hcd *hcd)
4202 +{
4203 + int retval;
4204 +
4205 + retval = ehci_run(hcd);
4206 +
4207 + fotg2xx_otgh_close(hcd);
4208 + fotg2xx_otgc_init(hcd);
4209 +
4210 + return retval;
4211 +}
4212 +
4213 +static const struct hc_driver fotg2xx_ehci_hc_driver = {
4214 + .description = hcd_name,
4215 + .product_desc = "FOTG2XX EHCI Host Controller",
4216 + .hcd_priv_size = sizeof(struct ehci_hcd),
4217 + .irq = ehci_irq,
4218 + .flags = HCD_MEMORY | HCD_USB2,
4219 + .reset = fotg2xx_ehci_hc_reset,
4220 + .start = fotg2xx_ehci_run,
4221 + .stop = ehci_stop,
4222 + .shutdown = ehci_shutdown,
4223 + .urb_enqueue = ehci_urb_enqueue,
4224 + .urb_dequeue = ehci_urb_dequeue,
4225 + .endpoint_disable = ehci_endpoint_disable,
4226 + .get_frame_number = ehci_get_frame,
4227 + .hub_status_data = ehci_hub_status_data,
4228 + .hub_control = ehci_hub_control,
4229 +#if defined(CONFIG_PM)
4230 + .bus_suspend = ehci_bus_suspend,
4231 + .bus_resume = ehci_bus_resume,
4232 +#endif
4233 + .relinquish_port = ehci_relinquish_port,
4234 + .port_handed_over = ehci_port_handed_over,
4235 +};
4236 +
4237 +static int fotg2xx_ehci_probe(struct platform_device *pdev)
4238 +{
4239 + const struct hc_driver *driver = &fotg2xx_ehci_hc_driver;
4240 + struct usb_hcd *hcd;
4241 + struct resource *res;
4242 + int irq;
4243 + int retval;
4244 +
4245 + pr_debug("initializing FOTG2XX-SOC USB Controller\n");
4246 +
4247 + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
4248 + if (!res) {
4249 + dev_err(&pdev->dev,
4250 + "Found HC with no IRQ. Check %s setup!\n",
4251 + dev_name(&pdev->dev));
4252 + return -ENODEV;
4253 + }
4254 +
4255 + irq = res->start;
4256 +
4257 + hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
4258 + if (!hcd) {
4259 + retval = -ENOMEM;
4260 + goto err1;
4261 + }
4262 +
4263 + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
4264 + if (!res) {
4265 + dev_err(&pdev->dev,
4266 + "Found HC with no register addr. Check %s setup!\n",
4267 + dev_name(&pdev->dev));
4268 + retval = -ENODEV;
4269 + goto err2;
4270 + }
4271 +
4272 + hcd->rsrc_start = res->start;
4273 + hcd->rsrc_len = res->end - res->start + 1;
4274 + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
4275 + driver->description)) {
4276 + dev_dbg(&pdev->dev, "controller already in use\n");
4277 + retval = -EBUSY;
4278 + goto err2;
4279 + }
4280 +
4281 + hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
4282 + if (hcd->regs == NULL) {
4283 + dev_dbg(&pdev->dev, "error mapping memory\n");
4284 + retval = -EFAULT;
4285 + goto err3;
4286 + }
4287 +
4288 +
4289 + /* set global reg to mini-A host */
4290 + writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(30)|BIT(29)),
4291 + IO_ADDRESS(0x40000000) + 0x30);
4292 +
4293 + /* USB0&USB1 - VBUS off */
4294 + writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(21)|BIT(22)),
4295 + IO_ADDRESS(0x40000000) + 0x30);
4296 +
4297 + if ((readl(hcd->regs) == 0x01000010) &&
4298 + (readl(hcd->regs + 4) == 0x00000001) &&
4299 + (readl(hcd->regs + 8) == 0x00000006)) {
4300 + dev_info(&pdev->dev,
4301 + "Found Faraday OTG 2XX controller (base = 0x%08lX)\n",
4302 + (unsigned long) hcd->rsrc_start);
4303 + } else {
4304 + dev_err(&pdev->dev, "fotg2xx id mismatch: found %d.%d.%d\n",
4305 + readl(hcd->regs + 0x00),
4306 + readl(hcd->regs + 0x04),
4307 + readl(hcd->regs + 0x08));
4308 + retval = -ENODEV;
4309 + goto err4;
4310 + }
4311 +
4312 + platform_set_drvdata(pdev, hcd);
4313 +
4314 + /* mask interrupts - peripheral, otg, host, hi-active (bits 0,1,2,3) */
4315 + otg_set(0xc4, BIT(3)); /* hi active */
4316 +
4317 + otg_set(0xc4, BIT(2)); /* host */
4318 + otg_set(0xc4, BIT(1)); /* otg */
4319 + otg_set(0xc4, BIT(0)); /* peripheral */
4320 +
4321 + /* register additional interrupt - here we check otg status */
4322 + if ((request_irq(irq, &fotg2xx_ehci_irq, IRQF_SHARED | IRQF_DISABLED,
4323 + hcd->irq_descr, hcd)) != 0) {
4324 + dev_dbg(&pdev->dev, "error requesting irq %d\n", irq);
4325 + retval = -EFAULT;
4326 + goto err4;
4327 + }
4328 +
4329 + retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
4330 + if (retval != 0)
4331 + goto err4;
4332 + return retval;
4333 +
4334 +err4:
4335 + iounmap(hcd->regs);
4336 +err3:
4337 + release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
4338 +err2:
4339 + usb_put_hcd(hcd);
4340 +err1:
4341 + dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
4342 + return retval;
4343 +}
4344 +
4345 +/* may be called without controller electrically present */
4346 +/* may be called with controller, bus, and devices active */
4347 +
4348 +int fotg2xx_ehci_remove(struct platform_device *pdev)
4349 +{
4350 + struct usb_hcd *hcd =
4351 + (struct usb_hcd *)platform_get_drvdata(pdev);
4352 +
4353 + usb_remove_hcd(hcd);
4354 + release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
4355 + iounmap(hcd->regs);
4356 + usb_put_hcd(hcd);
4357 + platform_set_drvdata(pdev, NULL);
4358 +
4359 + return 0;
4360 +}
4361 +
4362 +MODULE_ALIAS("platform:ehci-fotg2xx");
4363 +
4364 +static struct platform_driver fotg2xx_ehci_driver = {
4365 + .probe = fotg2xx_ehci_probe,
4366 + .remove = fotg2xx_ehci_remove,
4367 + .driver = {
4368 + .name = "ehci-fotg2xx",
4369 + },
4370 +};
4371 --- a/drivers/usb/host/ehci.h
4372 +++ b/drivers/usb/host/ehci.h
4373 @@ -561,7 +561,12 @@ static inline unsigned int
4374 ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
4375 {
4376 if (ehci_is_TDI(ehci)) {
4377 +#ifdef CONFIG_ARCH_GEMINI
4378 + portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
4379 + switch ((portsc>>22)&3) {
4380 +#else
4381 switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
4382 +#endif
4383 case 0:
4384 return 0;
4385 case 1:
4386 --- a/drivers/usb/host/ehci-hcd.c
4387 +++ b/drivers/usb/host/ehci-hcd.c
4388 @@ -223,9 +223,11 @@ static int ehci_halt (struct ehci_hcd *e
4389 if ((temp & STS_HALT) != 0)
4390 return 0;
4391
4392 +#ifndef CONFIG_ARCH_GEMINI
4393 temp = ehci_readl(ehci, &ehci->regs->command);
4394 temp &= ~CMD_RUN;
4395 ehci_writel(ehci, temp, &ehci->regs->command);
4396 +#endif
4397 return handshake (ehci, &ehci->regs->status,
4398 STS_HALT, STS_HALT, 16 * 125);
4399 }
4400 @@ -292,8 +294,8 @@ static int ehci_reset (struct ehci_hcd *
4401 if (retval)
4402 return retval;
4403
4404 - if (ehci_is_TDI(ehci))
4405 - tdi_reset (ehci);
4406 +// if (ehci_is_TDI(ehci))
4407 +// tdi_reset (ehci);
4408
4409 if (ehci->debug)
4410 dbgp_external_startup();
4411 @@ -427,12 +429,13 @@ static void ehci_silence_controller(stru
4412 {
4413 ehci_halt(ehci);
4414 ehci_turn_off_all_ports(ehci);
4415 -
4416 +#ifndef CONFIG_ARCH_GEMINI
4417 /* make BIOS/etc use companion controller during reboot */
4418 ehci_writel(ehci, 0, &ehci->regs->configured_flag);
4419
4420 /* unblock posted writes */
4421 ehci_readl(ehci, &ehci->regs->configured_flag);
4422 +#endif
4423 }
4424
4425 /* ehci_shutdown kick in for silicon on any bus (not just pci, etc).
4426 @@ -712,7 +715,9 @@ static int ehci_run (struct usb_hcd *hcd
4427 // Philips, Intel, and maybe others need CMD_RUN before the
4428 // root hub will detect new devices (why?); NEC doesn't
4429 ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
4430 +#ifndef CONFIG_ARCH_GEMINI
4431 ehci->command |= CMD_RUN;
4432 +#endif
4433 ehci_writel(ehci, ehci->command, &ehci->regs->command);
4434 dbg_cmd (ehci, "init", ehci->command);
4435
4436 @@ -732,9 +737,11 @@ static int ehci_run (struct usb_hcd *hcd
4437 */
4438 down_write(&ehci_cf_port_reset_rwsem);
4439 hcd->state = HC_STATE_RUNNING;
4440 +#ifndef CONFIG_ARCH_GEMINI
4441 ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
4442 ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
4443 msleep(5);
4444 +#endif
4445 up_write(&ehci_cf_port_reset_rwsem);
4446 ehci->last_periodic_enable = ktime_get_real();
4447
4448 @@ -827,9 +834,10 @@ static irqreturn_t ehci_irq (struct usb_
4449 pcd_status = status;
4450
4451 /* resume root hub? */
4452 +#ifndef CONFIG_ARCH_GEMINI
4453 if (!(cmd & CMD_RUN))
4454 usb_hcd_resume_root_hub(hcd);
4455 -
4456 +#endif
4457 /* get per-port change detect bits */
4458 if (ehci->has_ppcd)
4459 ppcd = status >> 16;
4460 @@ -871,7 +879,9 @@ static irqreturn_t ehci_irq (struct usb_
4461 ehci_halt(ehci);
4462 dead:
4463 ehci_reset(ehci);
4464 +#ifndef CONFIG_ARCH_GEMINI
4465 ehci_writel(ehci, 0, &ehci->regs->configured_flag);
4466 +#endif
4467 /* generic layer kills/unlinks all urbs, then
4468 * uses ehci_stop to clean up the rest
4469 */
4470 @@ -1169,6 +1179,11 @@ MODULE_LICENSE ("GPL");
4471 #define PCI_DRIVER ehci_pci_driver
4472 #endif
4473
4474 +#ifdef CONFIG_ARCH_GEMINI
4475 +#include "ehci-fotg2xx.c"
4476 +#define PLATFORM_DRIVER fotg2xx_ehci_driver
4477 +#endif
4478 +
4479 #ifdef CONFIG_USB_EHCI_FSL
4480 #include "ehci-fsl.c"
4481 #define PLATFORM_DRIVER ehci_fsl_driver
4482 --- a/drivers/usb/host/ehci-hub.c
4483 +++ b/drivers/usb/host/ehci-hub.c
4484 @@ -929,6 +929,12 @@ static int ehci_hub_control (
4485 /* see what we found out */
4486 temp = check_reset_complete (ehci, wIndex, status_reg,
4487 ehci_readl(ehci, status_reg));
4488 +#ifdef CONFIG_ARCH_GEMINI
4489 + /* restart schedule */
4490 + ehci_writel(ehci, ehci_readl(ehci, &ehci->regs->command) | CMD_RUN, &ehci->regs->command);
4491 +
4492 +// hcd->state = HC_STATE_RUNNING;
4493 +#endif
4494 }
4495
4496 if (!(temp & (PORT_RESUME|PORT_RESET)))
4497 --- a/drivers/usb/Kconfig
4498 +++ b/drivers/usb/Kconfig
4499 @@ -66,6 +66,7 @@ config USB_ARCH_HAS_EHCI
4500 default y if ARCH_AT91SAM9G45
4501 default y if ARCH_MXC
4502 default y if ARCH_OMAP3
4503 + default y if ARCH_GEMINI
4504 default PCI
4505
4506 # ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface.
4507 --- /dev/null
4508 +++ b/drivers/watchdog/gemini_wdt.c
4509 @@ -0,0 +1,368 @@
4510 +/*
4511 + * Watchdog driver for Cortina Systems Gemini SoC
4512 + *
4513 + * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
4514 + *
4515 + * This program is free software; you can redistribute it and/or modify
4516 + * it under the terms of the GNU General Public License version 2 as
4517 + * published by the Free Software Foundation.
4518 + */
4519 +
4520 +#include <linux/kernel.h>
4521 +#include <linux/init.h>
4522 +#include <linux/io.h>
4523 +#include <linux/fs.h>
4524 +#include <linux/uaccess.h>
4525 +#include <linux/miscdevice.h>
4526 +#include <linux/platform_device.h>
4527 +#include <linux/watchdog.h>
4528 +#include <linux/slab.h>
4529 +
4530 +#define GEMINI_WDCOUNTER 0x0
4531 +#define GEMINI_WDLOAD 0x4
4532 +#define GEMINI_WDRESTART 0x8
4533 +
4534 +#define WDRESTART_MAGIC 0x5AB9
4535 +
4536 +#define GEMINI_WDCR 0xC
4537 +
4538 +#define WDCR_CLOCK_5MHZ (1 << 4)
4539 +#define WDCR_SYS_RST (1 << 1)
4540 +#define WDCR_ENABLE (1 << 0)
4541 +
4542 +#define WDT_CLOCK 5000000 /* 5 MHz */
4543 +#define WDT_DEFAULT_TIMEOUT 13
4544 +#define WDT_MAX_TIMEOUT (0xFFFFFFFF / WDT_CLOCK)
4545 +
4546 +/* status bits */
4547 +#define WDT_ACTIVE 0
4548 +#define WDT_OK_TO_CLOSE 1
4549 +
4550 +static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
4551 +static int nowayout = WATCHDOG_NOWAYOUT;
4552 +
4553 +static DEFINE_SPINLOCK(gemini_wdt_lock);
4554 +
4555 +static struct platform_device *gemini_wdt_dev;
4556 +
4557 +struct gemini_wdt_struct {
4558 + struct resource *res;
4559 + struct device *dev;
4560 + void __iomem *base;
4561 + unsigned long status;
4562 +};
4563 +
4564 +static struct watchdog_info gemini_wdt_info = {
4565 + .identity = "Gemini watchdog",
4566 + .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
4567 + WDIOF_SETTIMEOUT,
4568 +};
4569 +
4570 +/* Disable the watchdog. */
4571 +static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt)
4572 +{
4573 + spin_lock(&gemini_wdt_lock);
4574 +
4575 + __raw_writel(0, gemini_wdt->base + GEMINI_WDCR);
4576 +
4577 + clear_bit(WDT_ACTIVE, &gemini_wdt->status);
4578 +
4579 + spin_unlock(&gemini_wdt_lock);
4580 +}
4581 +
4582 +/* Service the watchdog */
4583 +static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt)
4584 +{
4585 + __raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART);
4586 +}
4587 +
4588 +/* Enable and reset the watchdog. */
4589 +static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt)
4590 +{
4591 + spin_lock(&gemini_wdt_lock);
4592 +
4593 + __raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD);
4594 +
4595 + gemini_wdt_service(gemini_wdt);
4596 +
4597 + /* set clock before enabling */
4598 + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
4599 + gemini_wdt->base + GEMINI_WDCR);
4600 +
4601 + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
4602 + gemini_wdt->base + GEMINI_WDCR);
4603 +
4604 + set_bit(WDT_ACTIVE, &gemini_wdt->status);
4605 +
4606 + spin_unlock(&gemini_wdt_lock);
4607 +}
4608 +
4609 +/* Watchdog device is opened, and watchdog starts running. */
4610 +static int gemini_wdt_open(struct inode *inode, struct file *file)
4611 +{
4612 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev);
4613 +
4614 + if (test_bit(WDT_ACTIVE, &gemini_wdt->status))
4615 + return -EBUSY;
4616 +
4617 + file->private_data = gemini_wdt;
4618 +
4619 + gemini_wdt_start(gemini_wdt);
4620 +
4621 + return nonseekable_open(inode, file);
4622 +}
4623 +
4624 +/* Close the watchdog device. */
4625 +static int gemini_wdt_close(struct inode *inode, struct file *file)
4626 +{
4627 + struct gemini_wdt_struct *gemini_wdt = file->private_data;
4628 +
4629 + /* Disable the watchdog if possible */
4630 + if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status))
4631 + gemini_wdt_stop(gemini_wdt);
4632 + else
4633 + dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
4634 +
4635 + return 0;
4636 +}
4637 +
4638 +/* Handle commands from user-space. */
4639 +static int gemini_wdt_ioctl(struct inode *inode, struct file *file,
4640 + unsigned int cmd, unsigned long arg)
4641 +{
4642 + struct gemini_wdt_struct *gemini_wdt = file->private_data;
4643 +
4644 + int value;
4645 +
4646 + switch (cmd) {
4647 + case WDIOC_KEEPALIVE:
4648 + gemini_wdt_service(gemini_wdt);
4649 + return 0;
4650 +
4651 + case WDIOC_GETSUPPORT:
4652 + return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info,
4653 + sizeof(gemini_wdt_info)) ? -EFAULT : 0;
4654 +
4655 + case WDIOC_SETTIMEOUT:
4656 + if (get_user(value, (int *)arg))
4657 + return -EFAULT;
4658 +
4659 + if ((value < 1) || (value > WDT_MAX_TIMEOUT))
4660 + return -EINVAL;
4661 +
4662 + timeout = value;
4663 +
4664 + /* restart wdt to use new timeout */
4665 + gemini_wdt_stop(gemini_wdt);
4666 + gemini_wdt_start(gemini_wdt);
4667 +
4668 + /* Fall through */
4669 + case WDIOC_GETTIMEOUT:
4670 + return put_user(timeout, (int *)arg);
4671 +
4672 + case WDIOC_GETTIMELEFT:
4673 + value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER);
4674 + return put_user(value / WDT_CLOCK, (int *)arg);
4675 +
4676 + default:
4677 + return -ENOTTY;
4678 + }
4679 +}
4680 +
4681 +/* Refresh the watchdog whenever device is written to. */
4682 +static ssize_t gemini_wdt_write(struct file *file, const char *data,
4683 + size_t len, loff_t *ppos)
4684 +{
4685 + struct gemini_wdt_struct *gemini_wdt = file->private_data;
4686 +
4687 + if (len) {
4688 + if (!nowayout) {
4689 + size_t i;
4690 +
4691 + clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status);
4692 + for (i = 0; i != len; i++) {
4693 + char c;
4694 +
4695 + if (get_user(c, data + i))
4696 + return -EFAULT;
4697 + if (c == 'V')
4698 + set_bit(WDT_OK_TO_CLOSE,
4699 + &gemini_wdt->status);
4700 + }
4701 + }
4702 + gemini_wdt_service(gemini_wdt);
4703 + }
4704 +
4705 + return len;
4706 +}
4707 +
4708 +static const struct file_operations gemini_wdt_fops = {
4709 + .owner = THIS_MODULE,
4710 + .llseek = no_llseek,
4711 + .open = gemini_wdt_open,
4712 + .release = gemini_wdt_close,
4713 + .write = gemini_wdt_write,
4714 +};
4715 +
4716 +static struct miscdevice gemini_wdt_miscdev = {
4717 + .minor = WATCHDOG_MINOR,
4718 + .name = "watchdog",
4719 + .fops = &gemini_wdt_fops,
4720 +};
4721 +
4722 +static void gemini_wdt_shutdown(struct platform_device *pdev)
4723 +{
4724 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
4725 +
4726 + gemini_wdt_stop(gemini_wdt);
4727 +}
4728 +
4729 +static int __init gemini_wdt_probe(struct platform_device *pdev)
4730 +{
4731 + int ret;
4732 + int res_size;
4733 + struct resource *res;
4734 + void __iomem *base;
4735 + struct gemini_wdt_struct *gemini_wdt;
4736 +
4737 + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
4738 + if (!res) {
4739 + dev_err(&pdev->dev, "can't get device resources\n");
4740 + return -ENODEV;
4741 + }
4742 +
4743 + res_size = resource_size(res);
4744 + if (!request_mem_region(res->start, res_size, res->name)) {
4745 + dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
4746 + res_size, res->start);
4747 + return -ENOMEM;
4748 + }
4749 +
4750 + base = ioremap(res->start, res_size);
4751 + if (!base) {
4752 + dev_err(&pdev->dev, "ioremap failed\n");
4753 + ret = -EIO;
4754 + goto fail0;
4755 + }
4756 +
4757 + gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL);
4758 + if (!gemini_wdt) {
4759 + dev_err(&pdev->dev, "can't allocate interface\n");
4760 + ret = -ENOMEM;
4761 + goto fail1;
4762 + }
4763 +
4764 + /* Setup gemini_wdt driver structure */
4765 + gemini_wdt->base = base;
4766 + gemini_wdt->res = res;
4767 +
4768 + /* Set up platform driver data */
4769 + platform_set_drvdata(pdev, gemini_wdt);
4770 + gemini_wdt_dev = pdev;
4771 +
4772 + if (gemini_wdt_miscdev.parent) {
4773 + ret = -EBUSY;
4774 + goto fail2;
4775 + }
4776 +
4777 + gemini_wdt_miscdev.parent = &pdev->dev;
4778 +
4779 + ret = misc_register(&gemini_wdt_miscdev);
4780 + if (ret)
4781 + goto fail2;
4782 +
4783 + return 0;
4784 +
4785 +fail2:
4786 + platform_set_drvdata(pdev, NULL);
4787 + kfree(gemini_wdt);
4788 +fail1:
4789 + iounmap(base);
4790 +fail0:
4791 + release_mem_region(res->start, res_size);
4792 +
4793 + return ret;
4794 +}
4795 +
4796 +static int __exit gemini_wdt_remove(struct platform_device *pdev)
4797 +{
4798 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
4799 +
4800 + platform_set_drvdata(pdev, NULL);
4801 + misc_deregister(&gemini_wdt_miscdev);
4802 + gemini_wdt_dev = NULL;
4803 + iounmap(gemini_wdt->base);
4804 + release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res));
4805 +
4806 + kfree(gemini_wdt);
4807 +
4808 + return 0;
4809 +}
4810 +
4811 +#ifdef CONFIG_PM
4812 +static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message)
4813 +{
4814 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
4815 + unsigned int reg;
4816 +
4817 + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
4818 + reg &= ~(WDCR_WDENABLE);
4819 + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
4820 +
4821 + return 0;
4822 +}
4823 +
4824 +static int gemini_wdt_resume(struct platform_device *pdev)
4825 +{
4826 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
4827 + unsigned int reg;
4828 +
4829 + if (gemini_wdt->status) {
4830 + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
4831 + reg |= WDCR_WDENABLE;
4832 + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
4833 + }
4834 +
4835 + return 0;
4836 +}
4837 +#else
4838 +#define gemini_wdt_suspend NULL
4839 +#define gemini_wdt_resume NULL
4840 +#endif
4841 +
4842 +static struct platform_driver gemini_wdt_driver = {
4843 + .probe = gemini_wdt_probe,
4844 + .remove = __exit_p(gemini_wdt_remove),
4845 + .shutdown = gemini_wdt_shutdown,
4846 + .suspend = gemini_wdt_suspend,
4847 + .resume = gemini_wdt_resume,
4848 + .driver = {
4849 + .name = "gemini-wdt",
4850 + .owner = THIS_MODULE,
4851 + },
4852 +};
4853 +
4854 +static int __init gemini_wdt_init(void)
4855 +{
4856 + return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe);
4857 +}
4858 +
4859 +static void __exit gemini_wdt_exit(void)
4860 +{
4861 + platform_driver_unregister(&gemini_wdt_driver);
4862 +}
4863 +
4864 +module_init(gemini_wdt_init);
4865 +module_exit(gemini_wdt_exit);
4866 +
4867 +module_param(timeout, uint, 0);
4868 +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
4869 +
4870 +module_param(nowayout, int, 0);
4871 +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
4872 +
4873 +MODULE_AUTHOR("Paulius Zaleckas");
4874 +MODULE_DESCRIPTION("Watchdog driver for Gemini");
4875 +MODULE_LICENSE("GPL");
4876 +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
4877 +MODULE_ALIAS("platform:gemini-wdt");
4878 --- a/drivers/watchdog/Kconfig
4879 +++ b/drivers/watchdog/Kconfig
4880 @@ -118,6 +118,16 @@ config 977_WATCHDOG
4881
4882 Not sure? It's safe to say N.
4883
4884 +config GEMINI_WATCHDOG
4885 + tristate "Gemini watchdog"
4886 + depends on ARCH_GEMINI
4887 + help
4888 + Say Y here if to include support for the watchdog timer
4889 + embedded in the Cortina Systems Gemini family of devices.
4890 +
4891 + To compile this driver as a module, choose M here: the
4892 + module will be called gemini_wdt.
4893 +
4894 config IXP2000_WATCHDOG
4895 tristate "IXP2000 Watchdog"
4896 depends on ARCH_IXP2000
4897 --- a/drivers/watchdog/Makefile
4898 +++ b/drivers/watchdog/Makefile
4899 @@ -32,6 +32,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.
4900 obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o
4901 obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
4902 obj-$(CONFIG_977_WATCHDOG) += wdt977.o
4903 +obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o
4904 obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
4905 obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
4906 obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
4907 --- a/include/linux/usb/ehci_def.h
4908 +++ b/include/linux/usb/ehci_def.h
4909 @@ -105,9 +105,9 @@ struct ehci_regs {
4910 u32 frame_list; /* points to periodic list */
4911 /* ASYNCLISTADDR: offset 0x18 */
4912 u32 async_next; /* address of next async queue head */
4913 -
4914 +#ifndef CONFIG_ARCH_GEMINI
4915 u32 reserved[9];
4916 -
4917 +#endif
4918 /* CONFIGFLAG: offset 0x40 */
4919 u32 configured_flag;
4920 #define FLAG_CF (1<<0) /* true: we'll support "high speed" */
4921 --- a/arch/arm/mm/Kconfig
4922 +++ b/arch/arm/mm/Kconfig
4923 @@ -806,6 +806,7 @@ config CACHE_XSC3L2
4924
4925 config ARM_L1_CACHE_SHIFT
4926 int
4927 + default 4 if CPU_FA526
4928 default 6 if ARM_L1_CACHE_SHIFT_6
4929 default 5
4930
4931 --- a/arch/arm/lib/copy_page.S
4932 +++ b/arch/arm/lib/copy_page.S
4933 @@ -17,7 +17,7 @@
4934 #define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 ))
4935
4936 .text
4937 - .align 5
4938 + .align L1_CACHE_SHIFT
4939 /*
4940 * StrongARM optimised copy_page routine
4941 * now 1.78bytes/cycle, was 1.60 bytes/cycle (50MHz bus -> 89MB/s)
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