4 * Mikrotik RouterBOARD 1xx series
6 * Copyright (C) 2007 OpenWrt.org
7 * Copyright (C) 2007 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,
92 * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
93 * will not be able to find the kernel that we load. So set the oobinfo
94 * when creating the partitions
96 static struct nand_ecclayout rb1xx_nand_ecclayout = {
98 .eccpos = { 8, 9, 10, 13, 14, 15 },
100 .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
103 static struct resource rb150_nand_resource[] = {
105 .start = RB150_NAND_BASE,
106 .end = RB150_NAND_BASE + RB150_NAND_SIZE-1,
107 .flags = IORESOURCE_MEM,
111 static struct resource rb153_cf_resources[] = {
113 .name = "cf_membase",
114 .start = ADM5120_EXTIO1_BASE,
115 .end = ADM5120_EXTIO1_BASE + ADM5120_EXTIO1_SIZE-1 ,
116 .flags = IORESOURCE_MEM
119 .start = ADM5120_IRQ_GPIO4,
120 .end = ADM5120_IRQ_GPIO4,
121 .flags = IORESOURCE_IRQ
125 static struct platform_device rb153_cf_device = {
126 .name = "pata-rb153-cf",
128 .resource = rb153_cf_resources,
129 .num_resources = ARRAY_SIZE(rb153_cf_resources),
132 static struct platform_device *rb153_devices[] __initdata = {
133 &adm5120_flash0_device,
134 &adm5120_nand_device,
140 * RB1xx boards have bad network performance with the default VLAN matrixes.
141 * Disable it while the ethernet driver gets fixed.
143 static unsigned char rb11x_vlans[6] __initdata = {
144 /* FIXME: untested */
145 0x41, 0x00, 0x00, 0x00, 0x00, 0x00
148 static unsigned char rb133_vlans[6] __initdata = {
149 /* FIXME: untested */
150 0x44, 0x42, 0x41, 0x00, 0x00, 0x00
153 static unsigned char rb133c_vlans[6] __initdata = {
154 /* FIXME: untested */
155 0x44, 0x00, 0x00, 0x00, 0x00, 0x00
158 static unsigned char rb15x_vlans[6] __initdata = {
159 /* FIXME: untested */
160 0x41, 0x42, 0x44, 0x48, 0x50, 0x00
163 static unsigned char rb192_vlans[6] __initdata = {
164 /* FIXME: untested */
165 0x41, 0x50, 0x48, 0x44, 0x42, 0x00
168 static unsigned char rb_vlans[6] __initdata = {
169 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
171 #define rb11x_vlans rb_vlans
172 #define rb133_vlans rb_vlans
173 #define rb133c_vlans rb_vlans
174 #define rb15x_vlans rb_vlans
175 #define rb192_vlans rb_vlans
178 /*--------------------------------------------------------------------------*/
180 static int rb150_nand_ready(struct mtd_info *mtd)
182 return gpio_get_value(RB150_GPIO_NAND_READY);
185 static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
188 if (ctrl & NAND_CTRL_CHANGE) {
189 gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0);
190 gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0);
191 gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1);
194 udelay(RB150_NAND_DELAY);
196 if (cmd != NAND_CMD_NONE)
197 RB150_NAND_WRITE(cmd);
200 /*--------------------------------------------------------------------------*/
202 static void __init rb1xx_mac_setup(void)
209 for (i = 0; i < 6; i++) {
210 for (j = 0; j < 5; j++)
211 adm5120_eth_macs[i][j] = rb_hs.mac_base[j];
212 adm5120_eth_macs[i][5] = rb_hs.mac_base[5]+i;
216 static int rb1xx_nand_fixup(struct mtd_info *mtd)
218 struct nand_chip *chip = mtd->priv;
220 if (mtd->writesize == 512)
221 chip->ecc.layout = &rb1xx_nand_ecclayout;
226 static void __init rb1xx_flash_setup(void)
228 /* setup data for flash0 device */
229 adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_nor_parts);
230 adm5120_flash0_data.parts = rb1xx_nor_parts;
232 /* setup data for NAND device */
233 adm5120_nand_data.chip.nr_chips = 1;
234 adm5120_nand_data.chip.nr_partitions = ARRAY_SIZE(rb1xx_nand_parts);
235 adm5120_nand_data.chip.partitions = rb1xx_nand_parts;
236 adm5120_nand_data.chip.chip_delay = RB1XX_NAND_CHIP_DELAY;
237 adm5120_nand_data.chip.options = NAND_NO_AUTOINCR;
239 adm5120_nand_data.chip.chip_fixup = &rb1xx_nand_fixup;
242 static void __init rb1xx_setup(void)
244 /* enable NAND flash interface */
245 adm5120_nand_enable();
247 /* initialize NAND chip */
248 adm5120_nand_set_spn(1);
249 adm5120_nand_set_wpn(0);
255 static void __init rb150_setup(void)
257 /* setup GPIO pins for NAND flash chip */
258 gpio_request(RB150_GPIO_NAND_READY, "nand-ready");
259 gpio_direction_input(RB150_GPIO_NAND_READY);
260 gpio_request(RB150_GPIO_NAND_NCE, "nand-nce");
261 gpio_direction_output(RB150_GPIO_NAND_NCE, 1);
262 gpio_request(RB150_GPIO_NAND_CLE, "nand-cle");
263 gpio_direction_output(RB150_GPIO_NAND_CLE, 0);
264 gpio_request(RB150_GPIO_NAND_ALE, "nand-ale");
265 gpio_direction_output(RB150_GPIO_NAND_ALE, 0);
267 adm5120_nand_device.num_resources = ARRAY_SIZE(rb150_nand_resource);
268 adm5120_nand_device.resource = rb150_nand_resource;
269 adm5120_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl;
270 adm5120_nand_data.ctrl.dev_ready = rb150_nand_ready;
272 adm5120_flash0_data.window_size = 512*1024;
278 static void __init rb153_setup(void)
280 /* enable CSX1:INTX1 on GPIO[3:4] for the CF slot */
281 adm5120_gpio_csx1_enable();
282 /* enable the wait state pin GPIO[0] for external I/O control */
283 adm5120_gpio_ew_enable();
288 /*--------------------------------------------------------------------------*/
290 ADM5120_BOARD_START(RB_111, "Mikrotik RouterBOARD 111")
291 .board_setup = rb1xx_setup,
293 .eth_vlans = rb11x_vlans,
294 .num_devices = ARRAY_SIZE(rb1xx_devices),
295 .devices = rb1xx_devices,
296 .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
297 .pci_irq_map = rb1xx_pci_irqs,
300 ADM5120_BOARD_START(RB_112, "Mikrotik RouterBOARD 112")
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_133, "Mikrotik RouterBOARD 133")
311 .board_setup = rb1xx_setup,
313 .eth_vlans = rb133_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_133C, "Mikrotik RouterBOARD 133C")
321 .board_setup = rb1xx_setup,
323 .eth_vlans = rb133c_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_150, "Mikrotik RouterBOARD 150")
331 .board_setup = rb150_setup,
333 .eth_vlans = rb15x_vlans,
334 .num_devices = ARRAY_SIZE(rb1xx_devices),
335 .devices = rb1xx_devices,
338 ADM5120_BOARD_START(RB_153, "Mikrotik RouterBOARD 153")
339 .board_setup = rb153_setup,
341 .eth_vlans = rb15x_vlans,
342 .num_devices = ARRAY_SIZE(rb153_devices),
343 .devices = rb153_devices,
344 .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
345 .pci_irq_map = rb1xx_pci_irqs,
348 ADM5120_BOARD_START(RB_192, "Mikrotik RouterBOARD 192")
349 .board_setup = rb1xx_setup,
351 .eth_vlans = rb192_vlans,
352 .num_devices = ARRAY_SIZE(rb1xx_devices),
353 .devices = rb1xx_devices,
354 .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
355 .pci_irq_map = rb1xx_pci_irqs,