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 #define RB153_GPIO_CF_RDY ADM5120_GPIO_P1L1
63 #define RB153_GPIO_CF_WT ADM5120_GPIO_P0L0
65 /*--------------------------------------------------------------------------*/
67 static struct adm5120_pci_irq rb1xx_pci_irqs
[] __initdata
= {
68 PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0
),
69 PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1
),
70 PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2
)
73 static struct mtd_partition rb1xx_nor_parts
[] = {
78 .mask_flags
= MTD_WRITEABLE
,
81 .offset
= MTDPART_OFS_APPEND
,
82 .size
= MTDPART_SIZ_FULL
,
86 static struct mtd_partition rb1xx_nand_parts
[] = {
90 .size
= 4 * 1024 * 1024,
93 .offset
= MTDPART_OFS_NXTBLK
,
94 .size
= MTDPART_SIZ_FULL
98 static struct platform_device
*rb1xx_devices
[] __initdata
= {
99 &adm5120_flash0_device
,
100 &adm5120_nand_device
,
104 * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
105 * will not be able to find the kernel that we load. So set the oobinfo
106 * when creating the partitions
108 static struct nand_ecclayout rb1xx_nand_ecclayout
= {
110 .eccpos
= { 8, 9, 10, 13, 14, 15 },
112 .oobfree
= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
115 static struct resource rb150_nand_resource
[] = {
117 .start
= RB150_NAND_BASE
,
118 .end
= RB150_NAND_BASE
+ RB150_NAND_SIZE
-1,
119 .flags
= IORESOURCE_MEM
,
123 static struct resource rb153_cf_resources
[] = {
125 .name
= "cf_membase",
126 .start
= ADM5120_EXTIO0_BASE
,
127 .end
= ADM5120_EXTIO0_BASE
+ ADM5120_MPMC_SIZE
-1 ,
128 .flags
= IORESOURCE_MEM
131 .start
= ADM5120_IRQ_GPIO4
,
132 .end
= ADM5120_IRQ_GPIO4
,
133 .flags
= IORESOURCE_IRQ
137 static struct cf_device rb153_cf_data
= {
138 .gpio_pin
= ADM5120_GPIO_PIN4
141 static struct platform_device rb153_cf_device
= {
144 .resource
= rb153_cf_resources
,
145 .num_resources
= ARRAY_SIZE(rb153_cf_resources
),
146 .dev
.platform_data
= &rb153_cf_data
,
149 static struct platform_device
*rb153_devices
[] __initdata
= {
150 &adm5120_flash0_device
,
151 &adm5120_nand_device
,
157 * RB1xx boards have bad network performance with the default VLAN matrixes.
158 * Disable it while the ethernet driver gets fixed.
160 static unsigned char rb11x_vlans
[6] __initdata
= {
161 /* FIXME: untested */
162 0x41, 0x00, 0x00, 0x00, 0x00, 0x00
165 static unsigned char rb133_vlans
[6] __initdata
= {
166 /* FIXME: untested */
167 0x44, 0x42, 0x41, 0x00, 0x00, 0x00
170 static unsigned char rb133c_vlans
[6] __initdata
= {
171 /* FIXME: untested */
172 0x44, 0x00, 0x00, 0x00, 0x00, 0x00
175 static unsigned char rb15x_vlans
[6] __initdata
= {
176 /* FIXME: untested */
177 0x41, 0x42, 0x44, 0x48, 0x50, 0x00
180 static unsigned char rb192_vlans
[6] __initdata
= {
181 /* FIXME: untested */
182 0x41, 0x50, 0x48, 0x44, 0x42, 0x00
185 static unsigned char rb_vlans
[6] __initdata
= {
186 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
188 #define rb11x_vlans rb_vlans
189 #define rb133_vlans rb_vlans
190 #define rb133c_vlans rb_vlans
191 #define rb15x_vlans rb_vlans
192 #define rb192_vlans rb_vlans
195 /*--------------------------------------------------------------------------*/
197 static int rb150_nand_ready(struct mtd_info
*mtd
)
199 return gpio_get_value(RB150_GPIO_NAND_READY
);
202 static void rb150_nand_cmd_ctrl(struct mtd_info
*mtd
, int cmd
,
205 if (ctrl
& NAND_CTRL_CHANGE
) {
206 gpio_set_value(RB150_GPIO_NAND_CLE
, (ctrl
& NAND_CLE
) ? 1 : 0);
207 gpio_set_value(RB150_GPIO_NAND_ALE
, (ctrl
& NAND_ALE
) ? 1 : 0);
208 gpio_set_value(RB150_GPIO_NAND_NCE
, (ctrl
& NAND_NCE
) ? 0 : 1);
211 udelay(RB150_NAND_DELAY
);
213 if (cmd
!= NAND_CMD_NONE
)
214 RB150_NAND_WRITE(cmd
);
217 /*--------------------------------------------------------------------------*/
219 static void __init
rb1xx_mac_setup(void)
224 static void __init
rb1xx_flash_setup(void)
226 /* setup data for flash0 device */
227 adm5120_flash0_data
.nr_parts
= ARRAY_SIZE(rb1xx_nor_parts
);
228 adm5120_flash0_data
.parts
= rb1xx_nor_parts
;
230 /* setup data for NAND device */
231 adm5120_nand_data
.chip
.nr_chips
= 1;
232 adm5120_nand_data
.chip
.nr_partitions
= ARRAY_SIZE(rb1xx_nand_parts
);
233 adm5120_nand_data
.chip
.partitions
= rb1xx_nand_parts
;
234 adm5120_nand_data
.chip
.ecclayout
= &rb1xx_nand_ecclayout
;
235 adm5120_nand_data
.chip
.chip_delay
= RB1XX_NAND_CHIP_DELAY
;
236 adm5120_nand_data
.chip
.options
= NAND_NO_AUTOINCR
;
239 static void __init
rb153_cf_setup(void)
241 gpio_request(RB153_GPIO_CF_RDY
, "cf-ready");
242 gpio_direction_input(RB153_GPIO_CF_RDY
);
243 gpio_request(RB153_GPIO_CF_WT
, "cf-wait");
244 gpio_direction_output(RB153_GPIO_CF_WT
, 1);
245 gpio_direction_input(RB153_GPIO_CF_WT
);
248 static void __init
rb1xx_setup(void)
250 /* enable NAND flash interface */
251 adm5120_nand_enable();
253 /* initialize NAND chip */
254 adm5120_nand_set_spn(1);
255 adm5120_nand_set_wpn(0);
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_flash0_data
.window_size
= 512*1024;
284 static void __init
rb153_setup(void)
290 /*--------------------------------------------------------------------------*/
292 ADM5120_BOARD_START(RB_111
, "Mikrotik RouterBOARD 111")
293 .board_setup
= rb1xx_setup
,
295 .eth_vlans
= rb11x_vlans
,
296 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
297 .devices
= rb1xx_devices
,
298 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
299 .pci_irq_map
= rb1xx_pci_irqs
,
302 ADM5120_BOARD_START(RB_112
, "Mikrotik RouterBOARD 112")
303 .board_setup
= rb1xx_setup
,
305 .eth_vlans
= rb11x_vlans
,
306 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
307 .devices
= rb1xx_devices
,
308 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
309 .pci_irq_map
= rb1xx_pci_irqs
,
312 ADM5120_BOARD_START(RB_133
, "Mikrotik RouterBOARD 133")
313 .board_setup
= rb1xx_setup
,
315 .eth_vlans
= rb133_vlans
,
316 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
317 .devices
= rb1xx_devices
,
318 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
319 .pci_irq_map
= rb1xx_pci_irqs
,
322 ADM5120_BOARD_START(RB_133C
, "Mikrotik RouterBOARD 133C")
323 .board_setup
= rb1xx_setup
,
325 .eth_vlans
= rb133c_vlans
,
326 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
327 .devices
= rb1xx_devices
,
328 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
329 .pci_irq_map
= rb1xx_pci_irqs
,
332 ADM5120_BOARD_START(RB_150
, "Mikrotik RouterBOARD 150")
333 .board_setup
= rb150_setup
,
335 .eth_vlans
= rb15x_vlans
,
336 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
337 .devices
= rb1xx_devices
,
340 ADM5120_BOARD_START(RB_153
, "Mikrotik RouterBOARD 153")
341 .board_setup
= rb153_setup
,
343 .eth_vlans
= rb15x_vlans
,
344 .num_devices
= ARRAY_SIZE(rb153_devices
),
345 .devices
= rb153_devices
,
346 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
347 .pci_irq_map
= rb1xx_pci_irqs
,
350 ADM5120_BOARD_START(RB_192
, "Mikrotik RouterBOARD 192")
351 .board_setup
= rb1xx_setup
,
353 .eth_vlans
= rb192_vlans
,
354 .num_devices
= ARRAY_SIZE(rb1xx_devices
),
355 .devices
= rb1xx_devices
,
356 .pci_nr_irqs
= ARRAY_SIZE(rb1xx_pci_irqs
),
357 .pci_irq_map
= rb1xx_pci_irqs
,