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_info.h>
47 #include <prom/routerboot.h>
49 #define RB1XX_NAND_CHIP_DELAY 25
51 #define RB150_NAND_BASE 0x1FC80000
52 #define RB150_NAND_SIZE 1
54 #define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
55 #define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
56 #define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
57 #define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
59 #define RB150_NAND_DELAY 100
61 #define RB150_NAND_WRITE(v) \
62 writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
64 /*--------------------------------------------------------------------------*/
66 static struct adm5120_pci_irq rb1xx_pci_irqs
[] __initdata
= {
67 PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0
),
68 PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1
),
69 PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2
)
72 static struct mtd_partition rb1xx_nor_parts
[] = {
77 .mask_flags
= MTD_WRITEABLE
,
80 .offset
= MTDPART_OFS_APPEND
,
81 .size
= MTDPART_SIZ_FULL
,
85 static struct mtd_partition rb1xx_nand_parts
[] = {
89 .size
= 4 * 1024 * 1024,
92 .offset
= MTDPART_OFS_NXTBLK
,
93 .size
= MTDPART_SIZ_FULL
97 static struct platform_device
*rb1xx_devices
[] __initdata
= {
98 &adm5120_flash0_device
,
103 * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
104 * will not be able to find the kernel that we load. So set the oobinfo
105 * when creating the partitions
107 static struct nand_ecclayout rb1xx_nand_ecclayout
= {
109 .eccpos
= { 8, 9, 10, 13, 14, 15 },
111 .oobfree
= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
114 static struct resource rb150_nand_resource
[] = {
116 .start
= RB150_NAND_BASE
,
117 .end
= RB150_NAND_BASE
+ RB150_NAND_SIZE
-1,
118 .flags
= IORESOURCE_MEM
,
122 static struct resource rb153_cf_resources
[] = {
124 .name
= "cf_membase",
125 .start
= ADM5120_EXTIO1_BASE
,
126 .end
= ADM5120_EXTIO1_BASE
+ ADM5120_EXTIO1_SIZE
-1 ,
127 .flags
= IORESOURCE_MEM
130 .start
= ADM5120_IRQ_GPIO4
,
131 .end
= ADM5120_IRQ_GPIO4
,
132 .flags
= IORESOURCE_IRQ
136 static struct platform_device rb153_cf_device
= {
137 .name
= "pata-rb153-cf",
139 .resource
= rb153_cf_resources
,
140 .num_resources
= ARRAY_SIZE(rb153_cf_resources
),
143 static struct platform_device
*rb153_devices
[] __initdata
= {
144 &adm5120_flash0_device
,
145 &adm5120_nand_device
,
151 * RB1xx boards have bad network performance with the default VLAN matrixes.
152 * Disable it while the ethernet driver gets fixed.
154 static unsigned char rb11x_vlans
[6] __initdata
= {
155 /* FIXME: untested */
156 0x41, 0x00, 0x00, 0x00, 0x00, 0x00
159 static unsigned char rb133_vlans
[6] __initdata
= {
160 /* FIXME: untested */
161 0x44, 0x42, 0x41, 0x00, 0x00, 0x00
164 static unsigned char rb133c_vlans
[6] __initdata
= {
165 /* FIXME: untested */
166 0x44, 0x00, 0x00, 0x00, 0x00, 0x00
169 static unsigned char rb15x_vlans
[6] __initdata
= {
170 /* FIXME: untested */
171 0x41, 0x42, 0x44, 0x48, 0x50, 0x00
174 static unsigned char rb192_vlans
[6] __initdata
= {
175 /* FIXME: untested */
176 0x41, 0x50, 0x48, 0x44, 0x42, 0x00
179 static unsigned char rb_vlans
[6] __initdata
= {
180 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
182 #define rb11x_vlans rb_vlans
183 #define rb133_vlans rb_vlans
184 #define rb133c_vlans rb_vlans
185 #define rb15x_vlans rb_vlans
186 #define rb192_vlans rb_vlans
189 /*--------------------------------------------------------------------------*/
191 static int rb150_nand_ready(struct mtd_info
*mtd
)
193 return gpio_get_value(RB150_GPIO_NAND_READY
);
196 static void rb150_nand_cmd_ctrl(struct mtd_info
*mtd
, int cmd
,
199 if (ctrl
& NAND_CTRL_CHANGE
) {
200 gpio_set_value(RB150_GPIO_NAND_CLE
, (ctrl
& NAND_CLE
) ? 1 : 0);
201 gpio_set_value(RB150_GPIO_NAND_ALE
, (ctrl
& NAND_ALE
) ? 1 : 0);
202 gpio_set_value(RB150_GPIO_NAND_NCE
, (ctrl
& NAND_NCE
) ? 0 : 1);
205 udelay(RB150_NAND_DELAY
);
207 if (cmd
!= NAND_CMD_NONE
)
208 RB150_NAND_WRITE(cmd
);
211 /*--------------------------------------------------------------------------*/
213 static void __init
rb1xx_mac_setup(void)
220 for (i
= 0; i
< 6; i
++) {
221 for (j
= 0; j
< 5; j
++)
222 adm5120_eth_macs
[i
][j
] = rb_hs
.mac_base
[j
];
223 adm5120_eth_macs
[i
][5] = rb_hs
.mac_base
[5]+i
;
227 static void __init
rb1xx_flash_setup(void)
229 /* setup data for flash0 device */
230 adm5120_flash0_data
.nr_parts
= ARRAY_SIZE(rb1xx_nor_parts
);
231 adm5120_flash0_data
.parts
= rb1xx_nor_parts
;
233 /* setup data for NAND device */
234 adm5120_nand_data
.chip
.nr_chips
= 1;
235 adm5120_nand_data
.chip
.nr_partitions
= ARRAY_SIZE(rb1xx_nand_parts
);
236 adm5120_nand_data
.chip
.partitions
= rb1xx_nand_parts
;
237 adm5120_nand_data
.chip
.ecclayout
= &rb1xx_nand_ecclayout
;
238 adm5120_nand_data
.chip
.chip_delay
= RB1XX_NAND_CHIP_DELAY
;
239 adm5120_nand_data
.chip
.options
= NAND_NO_AUTOINCR
;
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
,