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
17 * modify it under the terms of the GNU General Public License
18 * as published by the Free Software Foundation; either version 2
19 * of the License, or (at your option) any later version.
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the
28 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
29 * Boston, MA 02110-1301, USA.
33 #include <linux/kernel.h>
34 #include <linux/init.h>
35 #include <linux/delay.h>
37 #include <asm/bootinfo.h>
40 #include <adm5120_defs.h>
41 #include <adm5120_irq.h>
42 #include <adm5120_nand.h>
43 #include <adm5120_board.h>
44 #include <adm5120_platform.h>
45 #include <adm5120_cf.h>
47 #define RB1XX_NAND_CHIP_DELAY 25
49 #define RB150_NAND_BASE 0x1FC80000
50 #define RB150_NAND_SIZE 1
52 #define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
53 #define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
54 #define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
55 #define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
57 #define RB150_NAND_DELAY 100
59 #define RB150_NAND_WRITE(v) \
60 writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
62 /*--------------------------------------------------------------------------*/
64 static struct adm5120_pci_irq rb1xx_pci_irqs
[] __initdata
= {
65 PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0
),
66 PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1
),
67 PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2
)
70 static struct mtd_partition rb1xx_nor_parts
[] = {
75 .mask_flags
= MTD_WRITEABLE
,
78 .offset
= MTDPART_OFS_APPEND
,
79 .size
= MTDPART_SIZ_FULL
,
83 static struct mtd_partition rb1xx_nand_parts
[] = {
87 .size
= 4 * 1024 * 1024,
90 .offset
= MTDPART_OFS_NXTBLK
,
91 .size
= MTDPART_SIZ_FULL
95 static struct platform_device
*rb1xx_devices
[] __initdata
= {
96 &adm5120_flash0_device
,
101 * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
102 * will not be able to find the kernel that we load. So set the oobinfo
103 * when creating the partitions
105 static struct nand_ecclayout rb1xx_nand_ecclayout
= {
107 .eccpos
= { 8, 9, 10, 13, 14, 15 },
109 .oobfree
= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
112 static struct resource rb150_nand_resource
[] = {
114 .start
= RB150_NAND_BASE
,
115 .end
= RB150_NAND_BASE
+ RB150_NAND_SIZE
-1,
116 .flags
= IORESOURCE_MEM
,
122 * RB1xx boards have bad network performance with the default VLAN matrixes.
123 * Disable it while the ethernet driver gets fixed.
125 static unsigned char rb11x_vlans
[6] __initdata
= {
126 /* FIXME: untested */
127 0x41, 0x00, 0x00, 0x00, 0x00, 0x00
130 static unsigned char rb133_vlans
[6] __initdata
= {
131 /* FIXME: untested */
132 0x44, 0x42, 0x41, 0x00, 0x00, 0x00
135 static unsigned char rb133c_vlans
[6] __initdata
= {
136 /* FIXME: untested */
137 0x44, 0x00, 0x00, 0x00, 0x00, 0x00
140 static unsigned char rb15x_vlans
[6] __initdata
= {
141 /* FIXME: untested */
142 0x41, 0x42, 0x44, 0x48, 0x50, 0x00
144 static unsigned char rb192_vlans
[6] __initdata
= {
145 /* FIXME: untested */
146 0x41, 0x50, 0x48, 0x44, 0x42, 0x00
149 static unsigned char rb_vlans
[6] __initdata
= {
150 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
152 #define rb11x_vlans rb_vlans
153 #define rb133_vlans rb_vlans
154 #define rb133c_vlans rb_vlans
155 #define rb15x_vlans rb_vlans
156 #define rb192_vlans rb_vlans
159 /*--------------------------------------------------------------------------*/
161 static int rb150_nand_ready(struct mtd_info
*mtd
)
163 return gpio_get_value(RB150_GPIO_NAND_READY
);
166 static void rb150_nand_cmd_ctrl(struct mtd_info
*mtd
, int cmd
,
169 if (ctrl
& NAND_CTRL_CHANGE
) {
170 gpio_set_value(RB150_GPIO_NAND_CLE
, (ctrl
& NAND_CLE
) ? 1 : 0);
171 gpio_set_value(RB150_GPIO_NAND_ALE
, (ctrl
& NAND_ALE
) ? 1 : 0);
172 gpio_set_value(RB150_GPIO_NAND_NCE
, (ctrl
& NAND_NCE
) ? 0 : 1);
175 udelay(RB150_NAND_DELAY
);
177 if (cmd
!= NAND_CMD_NONE
)
178 RB150_NAND_WRITE(cmd
);
181 /*--------------------------------------------------------------------------*/
182 static struct resource cf_slot0_res
[] = {
184 .name
= "cf_membase",
185 .start
= ADM5120_EXTIO0_BASE
,
186 .end
= ADM5120_EXTIO0_BASE
+ ADM5120_MPMC_SIZE
-1 ,
187 .flags
= IORESOURCE_MEM
190 .start
= ADM5120_IRQ_GPIO4
, /* 5 */
191 .end
= ADM5120_IRQ_GPIO4
,
192 .flags
= IORESOURCE_IRQ
196 static struct cf_device cf_slot0_data
= {
200 static struct platform_device cf_slot0
= {
203 .dev
.platform_data
= &cf_slot0_data
,
204 .resource
= cf_slot0_res
,
205 .num_resources
= ARRAY_SIZE(cf_slot0_res
),
208 static struct platform_device
*rb153_devices
[] __initdata
= {
209 &adm5120_flash0_device
,
210 &adm5120_nand_device
,
214 static void __init
rb1xx_mac_setup(void)
219 static void __init
rb1xx_flash_setup(void)
221 /* setup data for flash0 device */
222 adm5120_flash0_data
.nr_parts
= ARRAY_SIZE(rb1xx_nor_parts
);
223 adm5120_flash0_data
.parts
= rb1xx_nor_parts
;
225 /* setup data for NAND device */
226 adm5120_nand_data
.chip
.nr_chips
= 1;
227 adm5120_nand_data
.chip
.nr_partitions
= ARRAY_SIZE(rb1xx_nand_parts
);
228 adm5120_nand_data
.chip
.partitions
= rb1xx_nand_parts
;
229 adm5120_nand_data
.chip
.ecclayout
= &rb1xx_nand_ecclayout
;
230 adm5120_nand_data
.chip
.chip_delay
= RB1XX_NAND_CHIP_DELAY
;
231 adm5120_nand_data
.chip
.options
= NAND_NO_AUTOINCR
;
234 static void __init
rb1xx_setup(void)
236 /* enable NAND flash interface */
237 adm5120_nand_enable();
239 /* initialize NAND chip */
240 adm5120_nand_set_spn(1);
241 adm5120_nand_set_wpn(0);
247 static void __init
rb150_setup(void)
249 /* setup GPIO pins for NAND flash chip */
250 gpio_request(RB150_GPIO_NAND_READY
, "nand-ready");
251 gpio_direction_input(RB150_GPIO_NAND_READY
);
252 gpio_request(RB150_GPIO_NAND_NCE
, "nand-nce");
253 gpio_direction_output(RB150_GPIO_NAND_NCE
, 1);
254 gpio_request(RB150_GPIO_NAND_CLE
, "nand-cle");
255 gpio_direction_output(RB150_GPIO_NAND_CLE
, 0);
256 gpio_request(RB150_GPIO_NAND_ALE
, "nand-ale");
257 gpio_direction_output(RB150_GPIO_NAND_ALE
, 0);
259 adm5120_nand_device
.num_resources
= ARRAY_SIZE(rb150_nand_resource
);
260 adm5120_nand_device
.resource
= rb150_nand_resource
;
261 adm5120_nand_data
.ctrl
.cmd_ctrl
= rb150_nand_cmd_ctrl
;
262 adm5120_nand_data
.ctrl
.dev_ready
= rb150_nand_ready
;
268 /*--------------------------------------------------------------------------*/
270 static struct adm5120_board rb111_board __initdata
= {
271 .mach_type
= MACH_ADM5120_RB_111
,
272 .name
= "Mikrotik RouterBOARD 111",
273 .board_setup
= rb1xx_setup
,
275 .eth_vlans
= rb11x_vlans
,
276 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
277 .devices
= rb1xx_devices
,
278 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
279 .pci_irq_map
= rb1xx_pci_irqs
,
282 static struct adm5120_board rb112_board __initdata
= {
283 .mach_type
= MACH_ADM5120_RB_112
,
284 .name
= "Mikrotik RouterBOARD 112",
285 .board_setup
= rb1xx_setup
,
287 .eth_vlans
= rb11x_vlans
,
288 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
289 .devices
= rb1xx_devices
,
290 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
291 .pci_irq_map
= rb1xx_pci_irqs
,
294 static struct adm5120_board rb133_board __initdata
= {
295 .mach_type
= MACH_ADM5120_RB_133
,
296 .name
= "Mikrotik RouterBOARD 133",
297 .board_setup
= rb1xx_setup
,
299 .eth_vlans
= rb133_vlans
,
300 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
301 .devices
= rb1xx_devices
,
302 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
303 .pci_irq_map
= rb1xx_pci_irqs
,
306 static struct adm5120_board rb133c_board __initdata
= {
307 .mach_type
= MACH_ADM5120_RB_133C
,
308 .name
= "Mikrotik RouterBOARD 133C",
309 .board_setup
= rb1xx_setup
,
311 .eth_vlans
= rb133c_vlans
,
312 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
313 .devices
= rb1xx_devices
,
314 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
315 .pci_irq_map
= rb1xx_pci_irqs
,
318 static struct adm5120_board rb150_board __initdata
= {
319 .mach_type
= MACH_ADM5120_RB_150
,
320 .name
= "Mikrotik RouterBOARD 150",
321 .board_setup
= rb150_setup
,
323 .eth_vlans
= rb15x_vlans
,
324 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
325 .devices
= rb1xx_devices
,
328 static struct adm5120_board rb153_board __initdata
= {
329 .mach_type
= MACH_ADM5120_RB_153
,
330 .name
= "Mikrotik RouterBOARD 153",
331 .board_setup
= rb1xx_setup
,
333 .eth_vlans
= rb15x_vlans
,
334 .num_devices
= ARRAY_SIZE(rb153_devices
),
335 .devices
= rb153_devices
,
336 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
337 .pci_irq_map
= rb1xx_pci_irqs
,
340 static struct adm5120_board rb192_board __initdata
= {
341 .mach_type
= MACH_ADM5120_RB_192
,
342 .name
= "Mikrotik RouterBOARD 192",
343 .board_setup
= rb1xx_setup
,
345 .eth_vlans
= rb192_vlans
,
346 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
347 .devices
= rb1xx_devices
,
348 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
349 .pci_irq_map
= rb1xx_pci_irqs
,
352 static int __init
register_boards(void)
354 adm5120_board_register(&rb111_board
);
355 adm5120_board_register(&rb112_board
);
356 adm5120_board_register(&rb133_board
);
357 adm5120_board_register(&rb133c_board
);
358 adm5120_board_register(&rb150_board
);
359 adm5120_board_register(&rb153_board
);
360 adm5120_board_register(&rb192_board
);
364 pure_initcall(register_boards
);