4 * Mikrotik RouterBOARD 1xx series
6 * Copyright (C) 2007-2008 OpenWrt.org
7 * Copyright (C) 2007-2008 Gabor Juhos <juhosg at openwrt.org>
9 * NAND initialization code was based on a driver for Linux 2.6.19+ which
10 * was derived from the driver for Linux 2.4.xx published by Mikrotik for
11 * their RouterBoard 1xx and 5xx series boards.
12 * Copyright (C) 2007 David Goodenough <david.goodenough@linkchoose.co.uk>
13 * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
14 * The original Mikrotik code seems not to have a license.
16 * This program is free software; you can redistribute it and/or modify it
17 * under the terms of the GNU General Public License version 2 as published
18 * by the Free Software Foundation.
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
26 #include <asm/bootinfo.h>
29 #include <adm5120_defs.h>
30 #include <adm5120_irq.h>
31 #include <adm5120_nand.h>
32 #include <adm5120_board.h>
33 #include <adm5120_platform.h>
34 #include <adm5120_info.h>
36 #include <prom/routerboot.h>
38 #define RB1XX_NAND_CHIP_DELAY 25
40 #define RB150_NAND_BASE 0x1FC80000
41 #define RB150_NAND_SIZE 1
43 #define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
44 #define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
45 #define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
46 #define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
48 #define RB150_NAND_DELAY 100
50 #define RB150_NAND_WRITE(v) \
51 writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
53 /*--------------------------------------------------------------------------*/
55 static struct adm5120_pci_irq rb1xx_pci_irqs
[] __initdata
= {
56 PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0
),
57 PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1
),
58 PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2
)
61 static struct mtd_partition rb1xx_nor_parts
[] = {
66 .mask_flags
= MTD_WRITEABLE
,
69 .offset
= MTDPART_OFS_APPEND
,
70 .size
= MTDPART_SIZ_FULL
,
74 static struct mtd_partition rb1xx_nand_parts
[] = {
78 .size
= 4 * 1024 * 1024,
81 .offset
= MTDPART_OFS_NXTBLK
,
82 .size
= MTDPART_SIZ_FULL
86 static struct platform_device
*rb1xx_devices
[] __initdata
= {
87 &adm5120_flash0_device
,
89 &adm5120_buttons_device
,
93 * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
94 * will not be able to find the kernel that we load. So set the oobinfo
95 * when creating the partitions
97 static struct nand_ecclayout rb1xx_nand_ecclayout
= {
99 .eccpos
= { 8, 9, 10, 13, 14, 15 },
101 .oobfree
= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
104 static struct resource rb150_nand_resource
[] = {
106 .start
= RB150_NAND_BASE
,
107 .end
= RB150_NAND_BASE
+ RB150_NAND_SIZE
-1,
108 .flags
= IORESOURCE_MEM
,
112 static struct resource rb153_cf_resources
[] = {
114 .name
= "cf_membase",
115 .start
= ADM5120_EXTIO1_BASE
,
116 .end
= ADM5120_EXTIO1_BASE
+ ADM5120_EXTIO1_SIZE
-1 ,
117 .flags
= IORESOURCE_MEM
120 .start
= ADM5120_IRQ_GPIO4
,
121 .end
= ADM5120_IRQ_GPIO4
,
122 .flags
= IORESOURCE_IRQ
126 static struct platform_device rb153_cf_device
= {
127 .name
= "pata-rb153-cf",
129 .resource
= rb153_cf_resources
,
130 .num_resources
= ARRAY_SIZE(rb153_cf_resources
),
133 static struct platform_device
*rb153_devices
[] __initdata
= {
134 &adm5120_flash0_device
,
135 &adm5120_nand_device
,
136 &adm5120_buttons_device
,
142 * RB1xx boards have bad network performance with the default VLAN matrixes.
143 * Disable it while the ethernet driver gets fixed.
145 static unsigned char rb11x_vlans
[6] __initdata
= {
146 /* FIXME: untested */
147 0x41, 0x00, 0x00, 0x00, 0x00, 0x00
150 static unsigned char rb133_vlans
[6] __initdata
= {
151 /* FIXME: untested */
152 0x44, 0x42, 0x41, 0x00, 0x00, 0x00
155 static unsigned char rb133c_vlans
[6] __initdata
= {
156 /* FIXME: untested */
157 0x44, 0x00, 0x00, 0x00, 0x00, 0x00
160 static unsigned char rb15x_vlans
[6] __initdata
= {
161 /* FIXME: untested */
162 0x41, 0x42, 0x44, 0x48, 0x50, 0x00
165 static unsigned char rb192_vlans
[6] __initdata
= {
166 /* FIXME: untested */
167 0x41, 0x50, 0x48, 0x44, 0x42, 0x00
170 static unsigned char rb_vlans
[6] __initdata
= {
171 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
173 #define rb11x_vlans rb_vlans
174 #define rb133_vlans rb_vlans
175 #define rb133c_vlans rb_vlans
176 #define rb15x_vlans rb_vlans
177 #define rb192_vlans rb_vlans
180 /*--------------------------------------------------------------------------*/
182 static int rb150_nand_ready(struct mtd_info
*mtd
)
184 return gpio_get_value(RB150_GPIO_NAND_READY
);
187 static void rb150_nand_cmd_ctrl(struct mtd_info
*mtd
, int cmd
,
190 if (ctrl
& NAND_CTRL_CHANGE
) {
191 gpio_set_value(RB150_GPIO_NAND_CLE
, (ctrl
& NAND_CLE
) ? 1 : 0);
192 gpio_set_value(RB150_GPIO_NAND_ALE
, (ctrl
& NAND_ALE
) ? 1 : 0);
193 gpio_set_value(RB150_GPIO_NAND_NCE
, (ctrl
& NAND_NCE
) ? 0 : 1);
196 udelay(RB150_NAND_DELAY
);
198 if (cmd
!= NAND_CMD_NONE
)
199 RB150_NAND_WRITE(cmd
);
202 /*--------------------------------------------------------------------------*/
204 static void __init
rb1xx_mac_setup(void)
211 for (i
= 0; i
< 6; i
++) {
212 for (j
= 0; j
< 5; j
++)
213 adm5120_eth_macs
[i
][j
] = rb_hs
.mac_base
[j
];
214 adm5120_eth_macs
[i
][5] = rb_hs
.mac_base
[5]+i
;
218 static int rb1xx_nand_fixup(struct mtd_info
*mtd
)
220 struct nand_chip
*chip
= mtd
->priv
;
222 if (mtd
->writesize
== 512)
223 chip
->ecc
.layout
= &rb1xx_nand_ecclayout
;
228 static void __init
rb1xx_flash_setup(void)
230 /* setup data for flash0 device */
231 adm5120_flash0_data
.nr_parts
= ARRAY_SIZE(rb1xx_nor_parts
);
232 adm5120_flash0_data
.parts
= rb1xx_nor_parts
;
234 /* setup data for NAND device */
235 adm5120_nand_data
.chip
.nr_chips
= 1;
236 adm5120_nand_data
.chip
.nr_partitions
= ARRAY_SIZE(rb1xx_nand_parts
);
237 adm5120_nand_data
.chip
.partitions
= rb1xx_nand_parts
;
238 adm5120_nand_data
.chip
.chip_delay
= RB1XX_NAND_CHIP_DELAY
;
239 adm5120_nand_data
.chip
.options
= NAND_NO_AUTOINCR
;
241 adm5120_nand_data
.chip
.chip_fixup
= &rb1xx_nand_fixup
;
244 static void __init
rb1xx_setup(void)
246 /* enable NAND flash interface */
247 adm5120_nand_enable();
249 /* initialize NAND chip */
250 adm5120_nand_set_spn(1);
251 adm5120_nand_set_wpn(0);
253 adm5120_buttons_data
.nbuttons
= 1;
254 adm5120_buttons
[0].desc
= "reset button";
255 adm5120_buttons
[0].gpio
= ADM5120_GPIO_PIN7
;
261 static void __init
rb150_setup(void)
263 /* setup GPIO pins for NAND flash chip */
264 gpio_request(RB150_GPIO_NAND_READY
, "nand-ready");
265 gpio_direction_input(RB150_GPIO_NAND_READY
);
266 gpio_request(RB150_GPIO_NAND_NCE
, "nand-nce");
267 gpio_direction_output(RB150_GPIO_NAND_NCE
, 1);
268 gpio_request(RB150_GPIO_NAND_CLE
, "nand-cle");
269 gpio_direction_output(RB150_GPIO_NAND_CLE
, 0);
270 gpio_request(RB150_GPIO_NAND_ALE
, "nand-ale");
271 gpio_direction_output(RB150_GPIO_NAND_ALE
, 0);
273 adm5120_nand_device
.num_resources
= ARRAY_SIZE(rb150_nand_resource
);
274 adm5120_nand_device
.resource
= rb150_nand_resource
;
275 adm5120_nand_data
.ctrl
.cmd_ctrl
= rb150_nand_cmd_ctrl
;
276 adm5120_nand_data
.ctrl
.dev_ready
= rb150_nand_ready
;
278 adm5120_buttons_data
.nbuttons
= 1;
279 adm5120_buttons
[0].desc
= "reset button";
280 adm5120_buttons
[0].gpio
= ADM5120_GPIO_PIN1
; /* FIXME: valid? */
282 adm5120_flash0_data
.window_size
= 512*1024;
288 static void __init
rb153_setup(void)
290 /* enable CSX1:INTX1 on GPIO[3:4] for the CF slot */
291 adm5120_gpio_csx1_enable();
292 /* enable the wait state pin GPIO[0] for external I/O control */
293 adm5120_gpio_ew_enable();
298 /*--------------------------------------------------------------------------*/
300 ADM5120_BOARD_START(RB_111
, "Mikrotik RouterBOARD 111")
301 .board_setup
= rb1xx_setup
,
303 .eth_vlans
= rb11x_vlans
,
304 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
305 .devices
= rb1xx_devices
,
306 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
307 .pci_irq_map
= rb1xx_pci_irqs
,
310 ADM5120_BOARD_START(RB_112
, "Mikrotik RouterBOARD 112")
311 .board_setup
= rb1xx_setup
,
313 .eth_vlans
= rb11x_vlans
,
314 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
315 .devices
= rb1xx_devices
,
316 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
317 .pci_irq_map
= rb1xx_pci_irqs
,
320 ADM5120_BOARD_START(RB_133
, "Mikrotik RouterBOARD 133")
321 .board_setup
= rb1xx_setup
,
323 .eth_vlans
= rb133_vlans
,
324 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
325 .devices
= rb1xx_devices
,
326 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
327 .pci_irq_map
= rb1xx_pci_irqs
,
330 ADM5120_BOARD_START(RB_133C
, "Mikrotik RouterBOARD 133C")
331 .board_setup
= rb1xx_setup
,
333 .eth_vlans
= rb133c_vlans
,
334 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
335 .devices
= rb1xx_devices
,
336 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
337 .pci_irq_map
= rb1xx_pci_irqs
,
340 ADM5120_BOARD_START(RB_150
, "Mikrotik RouterBOARD 150")
341 .board_setup
= rb150_setup
,
343 .eth_vlans
= rb15x_vlans
,
344 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
345 .devices
= rb1xx_devices
,
348 ADM5120_BOARD_START(RB_153
, "Mikrotik RouterBOARD 153")
349 .board_setup
= rb153_setup
,
351 .eth_vlans
= rb15x_vlans
,
352 .num_devices
= ARRAY_SIZE(rb153_devices
),
353 .devices
= rb153_devices
,
354 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
355 .pci_irq_map
= rb1xx_pci_irqs
,
358 ADM5120_BOARD_START(RB_192
, "Mikrotik RouterBOARD 192")
359 .board_setup
= rb1xx_setup
,
361 .eth_vlans
= rb192_vlans
,
362 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
363 .devices
= rb1xx_devices
,
364 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
365 .pci_irq_map
= rb1xx_pci_irqs
,