add support for the Gateworks Cambria
[openwrt/staging/lynxis/omap.git] / target / linux / ixp4xx / patches-2.6.24 / 190-cambria_support.patch
1 diff -Nur linux-2.6.24.5/arch/arm/mach-ixp4xx/Kconfig linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/Kconfig
2 --- linux-2.6.24.5/arch/arm/mach-ixp4xx/Kconfig 2008-04-28 20:22:27.000000000 +0200
3 +++ linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/Kconfig 2008-04-28 20:26:44.000000000 +0200
4 @@ -25,6 +25,14 @@
5 Avila Network Platform. For more information on this platform,
6 see <file:Documentation/arm/IXP4xx>.
7
8 +config MACH_CAMBRIA
9 + bool "Cambria"
10 + select PCI
11 + help
12 + Say 'Y' here if you want your kernel to support the Gateworks
13 + Cambria series. For more information on this platform,
14 + see <file:Documentation/arm/IXP4xx>.
15 +
16 config MACH_LOFT
17 bool "Loft"
18 depends on MACH_AVILA
19 @@ -200,7 +208,7 @@
20
21 config CPU_IXP43X
22 bool
23 - depends on MACH_KIXRP435
24 + depends on MACH_KIXRP435 || MACH_CAMBRIA
25 default y
26
27 config MACH_GTWX5715
28 diff -Nur linux-2.6.24.5/arch/arm/mach-ixp4xx/Makefile linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/Makefile
29 --- linux-2.6.24.5/arch/arm/mach-ixp4xx/Makefile 2008-04-28 20:22:27.000000000 +0200
30 +++ linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/Makefile 2008-04-28 20:26:44.000000000 +0200
31 @@ -7,6 +7,7 @@
32
33 obj-pci-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o
34 obj-pci-$(CONFIG_MACH_AVILA) += avila-pci.o
35 +obj-pci-$(CONFIG_MACH_CAMBRIA) += cambria-pci.o
36 obj-pci-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o
37 obj-pci-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o
38 obj-pci-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o
39 @@ -28,6 +29,7 @@
40
41 obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-setup.o
42 obj-$(CONFIG_MACH_AVILA) += avila-setup.o
43 +obj-$(CONFIG_MACH_CAMBRIA) += cambria-setup.o
44 obj-$(CONFIG_MACH_IXDPG425) += coyote-setup.o
45 obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-setup.o
46 obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-setup.o
47 diff -Nur linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-pci.c linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/cambria-pci.c
48 --- linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-pci.c 1970-01-01 01:00:00.000000000 +0100
49 +++ linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/cambria-pci.c 2008-04-28 20:30:35.000000000 +0200
50 @@ -0,0 +1,74 @@
51 +/*
52 + * arch/arch/mach-ixp4xx/cambria-pci.c
53 + *
54 + * PCI setup routines for Gateworks Cambria series
55 + *
56 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
57 + *
58 + * based on coyote-pci.c:
59 + * Copyright (C) 2002 Jungo Software Technologies.
60 + * Copyright (C) 2003 MontaVista Softwrae, Inc.
61 + *
62 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
63 + *
64 + * This program is free software; you can redistribute it and/or modify
65 + * it under the terms of the GNU General Public License version 2 as
66 + * published by the Free Software Foundation.
67 + *
68 + */
69 +
70 +#include <linux/kernel.h>
71 +#include <linux/pci.h>
72 +#include <linux/init.h>
73 +#include <linux/irq.h>
74 +
75 +#include <asm/mach-types.h>
76 +#include <asm/hardware.h>
77 +#include <asm/irq.h>
78 +
79 +#include <asm/mach/pci.h>
80 +
81 +extern void ixp4xx_pci_preinit(void);
82 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
83 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
84 +
85 +void __init cambria_pci_preinit(void)
86 +{
87 + set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
88 + set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
89 + set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
90 + set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_LOW);
91 +
92 + ixp4xx_pci_preinit();
93 +}
94 +
95 +static int __init cambria_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
96 +{
97 + if (slot == 1)
98 + return IRQ_IXP4XX_GPIO11;
99 + else if (slot == 2)
100 + return IRQ_IXP4XX_GPIO10;
101 + else if (slot == 3)
102 + return IRQ_IXP4XX_GPIO9;
103 + else if (slot == 4)
104 + return IRQ_IXP4XX_GPIO8;
105 + else return -1;
106 +}
107 +
108 +struct hw_pci cambria_pci __initdata = {
109 + .nr_controllers = 1,
110 + .preinit = cambria_pci_preinit,
111 + .swizzle = pci_std_swizzle,
112 + .setup = ixp4xx_setup,
113 + .scan = ixp4xx_scan_bus,
114 + .map_irq = cambria_map_irq,
115 +};
116 +
117 +int __init cambria_pci_init(void)
118 +{
119 + if (machine_is_cambria())
120 + pci_common_init(&cambria_pci);
121 + return 0;
122 +}
123 +
124 +subsys_initcall(cambria_pci_init);
125 diff -Nur linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/cambria-setup.c
126 --- linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c 1970-01-01 01:00:00.000000000 +0100
127 +++ linux-2.6.24.5-owrt/arch/arm/mach-ixp4xx/cambria-setup.c 2008-04-28 21:07:16.000000000 +0200
128 @@ -0,0 +1,280 @@
129 +/*
130 + * arch/arm/mach-ixp4xx/cambria-setup.c
131 + *
132 + * Board setup for the Gateworks Cambria series
133 + *
134 + * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org>
135 + *
136 + * based on coyote-setup.c:
137 + * Copyright (C) 2003-2005 MontaVista Software, Inc.
138 + *
139 + * Author: Imre Kaloz <Kaloz@openwrt.org>
140 + */
141 +
142 +#include <linux/kernel.h>
143 +#include <linux/init.h>
144 +#include <linux/device.h>
145 +#include <linux/if_ether.h>
146 +#include <linux/socket.h>
147 +#include <linux/netdevice.h>
148 +#include <linux/serial.h>
149 +#include <linux/tty.h>
150 +#include <linux/serial_8250.h>
151 +#include <linux/slab.h>
152 +#ifdef CONFIG_SENSORS_EEPROM
153 +# include <linux/i2c.h>
154 +# include <linux/eeprom.h>
155 +#endif
156 +
157 +#include <linux/i2c-gpio.h>
158 +#include <asm/types.h>
159 +#include <asm/setup.h>
160 +#include <asm/memory.h>
161 +#include <asm/hardware.h>
162 +#include <asm/irq.h>
163 +#include <asm/mach-types.h>
164 +#include <asm/mach/arch.h>
165 +#include <asm/mach/flash.h>
166 +
167 +static struct flash_platform_data cambria_flash_data = {
168 + .map_name = "cfi_probe",
169 + .width = 2,
170 +};
171 +
172 +static struct resource cambria_flash_resource = {
173 + .flags = IORESOURCE_MEM,
174 +};
175 +
176 +static struct platform_device cambria_flash = {
177 + .name = "IXP4XX-Flash",
178 + .id = 0,
179 + .dev = {
180 + .platform_data = &cambria_flash_data,
181 + },
182 + .num_resources = 1,
183 + .resource = &cambria_flash_resource,
184 +};
185 +
186 +static struct i2c_gpio_platform_data cambria_i2c_gpio_data = {
187 + .sda_pin = 7,
188 + .scl_pin = 6,
189 +};
190 +
191 +static struct platform_device cambria_i2c_gpio = {
192 + .name = "i2c-gpio",
193 + .id = 0,
194 + .dev = {
195 + .platform_data = &cambria_i2c_gpio_data,
196 + },
197 +};
198 +
199 +static struct resource cambria_uart_resource = {
200 + .start = IXP4XX_UART1_BASE_PHYS,
201 + .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
202 + .flags = IORESOURCE_MEM,
203 +};
204 +
205 +static struct plat_serial8250_port cambria_uart_data[] = {
206 + {
207 + .mapbase = IXP4XX_UART1_BASE_PHYS,
208 + .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
209 + .irq = IRQ_IXP4XX_UART1,
210 + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
211 + .iotype = UPIO_MEM,
212 + .regshift = 2,
213 + .uartclk = IXP4XX_UART_XTAL,
214 + },
215 + { },
216 +};
217 +
218 +static struct platform_device cambria_uart = {
219 + .name = "serial8250",
220 + .id = PLAT8250_DEV_PLATFORM,
221 + .dev = {
222 + .platform_data = cambria_uart_data,
223 + },
224 + .num_resources = 1,
225 + .resource = &cambria_uart_resource,
226 +};
227 +
228 +static struct resource cambria_pata_resources[] = {
229 + {
230 + .flags = IORESOURCE_MEM
231 + },
232 + {
233 + .flags = IORESOURCE_MEM,
234 + },
235 + {
236 + .name = "intrq",
237 + .start = IRQ_IXP4XX_GPIO12,
238 + .end = IRQ_IXP4XX_GPIO12,
239 + .flags = IORESOURCE_IRQ,
240 + },
241 +};
242 +
243 +static struct ixp4xx_pata_data cambria_pata_data = {
244 + .cs0_bits = 0xbfff3c03,
245 + .cs1_bits = 0xbfff3c03,
246 +};
247 +
248 +static struct platform_device cambria_pata = {
249 + .name = "pata_ixp4xx_cf",
250 + .id = 0,
251 + .dev.platform_data = &cambria_pata_data,
252 + .num_resources = ARRAY_SIZE(cambria_pata_resources),
253 + .resource = cambria_pata_resources,
254 +};
255 +
256 +static struct eth_plat_info cambria_plat_eth[] = {
257 + {
258 + .phy = 2,
259 + .rxq = 4,
260 + .txreadyq = 21,
261 + }, {
262 + .phy = 1,
263 + .rxq = 2,
264 + .txreadyq = 19,
265 + }
266 +};
267 +
268 +static struct platform_device cambria_eth[] = {
269 + {
270 + .name = "ixp4xx_eth",
271 + .id = IXP4XX_ETH_NPEC,
272 + .dev.platform_data = cambria_plat_eth,
273 + }, {
274 + .name = "ixp4xx_eth",
275 + .id = IXP4XX_ETH_NPEA,
276 + .dev.platform_data = cambria_plat_eth + 1,
277 + }
278 +};
279 +
280 +#ifdef CONFIG_LEDS_IXP4XX
281 +static struct platform_device cambria_leds_pld = {
282 + .name = "IXP4XX-PLD-LED",
283 + .id = -1,
284 + .num_resources = 0,
285 +};
286 +
287 +static struct platform_device cambria_leds_mem = {
288 + .name = "IXP4XX-MEM-LED",
289 + .id = -1,
290 + .num_resources = 0,
291 +};
292 +#endif
293 +
294 +static struct platform_device *cambria_devices[] __initdata = {
295 + &cambria_i2c_gpio,
296 + &cambria_flash,
297 + &cambria_uart,
298 +#ifdef CONFIG_LEDS_IXP4XX
299 + &cambria_leds_pld,
300 + &cambria_leds_mem,
301 +#endif
302 + &cambria_eth[0],
303 + &cambria_eth[1],
304 +};
305 +
306 +static char cambria_rtc_probe[] __initdata = "rtc-ds1672.probe=0,0x68 ";
307 +
308 +static void __init cambria_fixup(struct machine_desc *desc,
309 + struct tag *tags, char **cmdline, struct meminfo *mi)
310 +{
311 + struct tag *t = tags;
312 + char *p = *cmdline;
313 +
314 + /* Find the end of the tags table, taking note of any cmdline tag. */
315 + for (; t->hdr.size; t = tag_next(t)) {
316 + if (t->hdr.tag == ATAG_CMDLINE) {
317 + p = t->u.cmdline.cmdline;
318 + }
319 + }
320 +
321 + /* Overwrite the end of the table with a new cmdline tag. */
322 + t->hdr.tag = ATAG_CMDLINE;
323 + t->hdr.size = (sizeof (struct tag_header) +
324 + strlen(cambria_rtc_probe) + strlen(p) + 1 + 4) >> 2;
325 + strlcpy(t->u.cmdline.cmdline, cambria_rtc_probe, COMMAND_LINE_SIZE);
326 + strlcpy(t->u.cmdline.cmdline + strlen(cambria_rtc_probe), p,
327 + COMMAND_LINE_SIZE - strlen(cambria_rtc_probe));
328 +
329 + /* Terminate the table. */
330 + t = tag_next(t);
331 + t->hdr.tag = ATAG_NONE;
332 + t->hdr.size = 0;
333 +}
334 +
335 +#ifdef CONFIG_SENSORS_EEPROM
336 +static int cambria_eeprom_do(struct notifier_block *self, unsigned long event, void *t)
337 +{
338 + struct eeprom_data *data = t;
339 + struct sockaddr address;
340 + struct net_device * netdev;
341 +
342 + char macs[12];
343 +
344 + /* The MACs are the first 12 bytes in the eeprom at address 0x51 */
345 + if (event == EEPROM_REGISTER && data->client.addr == 0x51) {
346 + data->attr->read(&data->client.dev.kobj, data->attr, macs, 0, 12);
347 + /* eth0 */
348 + memcpy(address.sa_data, macs, ETH_ALEN);
349 + memcpy(&cambria_plat_eth[0].hwaddr, macs, ETH_ALEN);
350 + if ( (netdev = dev_get_by_name(&init_net, "eth0")) )
351 + netdev->set_mac_address(netdev, &address);
352 +
353 + /* eth1 */
354 + memcpy(address.sa_data, macs + ETH_ALEN, ETH_ALEN);
355 + memcpy(&cambria_plat_eth[1].hwaddr, macs + ETH_ALEN, ETH_ALEN);
356 + if ( (netdev = dev_get_by_name(&init_net, "eth1")) )
357 + netdev->set_mac_address(netdev, &address);
358 + }
359 +
360 + return NOTIFY_DONE;
361 +}
362 +
363 +static struct notifier_block cambria_eeprom_notifier = {
364 + .notifier_call = cambria_eeprom_do
365 +};
366 +#endif
367 +
368 +static void __init cambria_init(void)
369 +{
370 + ixp4xx_sys_init();
371 +
372 +#ifdef CONFIG_SENSORS_EEPROM
373 + register_eeprom_notifier(&cambria_eeprom_notifier);
374 +#endif
375 +
376 + cambria_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
377 + cambria_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
378 +
379 + *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
380 + *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
381 +
382 + platform_add_devices(cambria_devices, ARRAY_SIZE(cambria_devices));
383 +
384 + cambria_pata_resources[0].start = 0x53e00000;
385 + cambria_pata_resources[0].end = 0x53e3ffff;
386 +
387 + cambria_pata_resources[1].start = 0x53e40000;
388 + cambria_pata_resources[1].end = 0x53e7ffff;
389 +
390 + cambria_pata_data.cs0_cfg = IXP4XX_EXP_CS3;
391 + cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
392 +
393 + platform_device_register(&cambria_pata);
394 +}
395 +
396 +#ifdef CONFIG_MACH_CAMBRIA
397 +MACHINE_START(CAMBRIA, "Gateworks Cambria series")
398 + /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
399 + .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
400 + .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
401 + .fixup = cambria_fixup,
402 + .map_io = ixp4xx_map_io,
403 + .init_irq = ixp4xx_init_irq,
404 + .timer = &ixp4xx_timer,
405 + .boot_params = 0x0100,
406 + .init_machine = cambria_init,
407 +MACHINE_END
408 +#endif
409 diff -Nur linux-2.6.24.5/include/asm-arm/arch-ixp4xx/hardware.h linux-2.6.24.5-owrt/include/asm-arm/arch-ixp4xx/hardware.h
410 --- linux-2.6.24.5/include/asm-arm/arch-ixp4xx/hardware.h 1970-01-01 01:00:00.000000000 +0100
411 +++ linux-2.6.24.5-owrt/include/asm-arm/arch-ixp4xx/hardware.h 2008-04-28 21:07:16.000000000 +0200
412 @@ -18,7 +18,7 @@
413 #define __ASM_ARCH_HARDWARE_H__
414
415 #define PCIBIOS_MIN_IO 0x00001000
416 -#define PCIBIOS_MIN_MEM (cpu_is_ixp43x() ? 0x40000000 : 0x48000000)
417 +#define PCIBIOS_MIN_MEM (cpu_is_ixp43x() ? 0x48000000 : 0x48000000)
418
419 /*
420 * We override the standard dma-mask routines for bouncing.