target/linux/adm5120/files/arch/mips/adm5120/boards/mikrotik.c

   1 /*
   2  *  $Id$
   3  *
   4  *  Mikrotik RouterBOARD 1xx series
   5  *
   6  *  Copyright (C) 2007 OpenWrt.org
   7  *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
   8  *
   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.
  15  *
  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.
  20  *
  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.
  25  *
  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.
  30  *
  31  */
  32
  33 #include <linux/kernel.h>
  34 #include <linux/init.h>
  35 #include <linux/delay.h>
  36
  37 #include <asm/bootinfo.h>
  38 #include <asm/gpio.h>
  39
  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>
  46
  47 #include <prom/routerboot.h>
  48
  49 #define RB1XX_NAND_CHIP_DELAY   25
  50
  51 #define RB150_NAND_BASE         0x1FC80000
  52 #define RB150_NAND_SIZE         1
  53
  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
  58
  59 #define RB150_NAND_DELAY        100
  60
  61 #define RB150_NAND_WRITE(v) \
  62         writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
  63
  64 #define RB153_GPIO_CF_RDY       ADM5120_GPIO_P1L1
  65 #define RB153_GPIO_CF_WT        ADM5120_GPIO_P0L0
  66
  67 extern struct rb_hard_settings rb_hs;
  68
  69 /*--------------------------------------------------------------------------*/
  70
  71 static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
  72         PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0),
  73         PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1),
  74         PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2)
  75 };
  76
  77 static struct mtd_partition rb1xx_nor_parts[] = {
  78         {
  79                 .name   = "booter",
  80                 .offset = 0,
  81                 .size   = 64*1024,
  82                 .mask_flags = MTD_WRITEABLE,
  83         } , {
  84                 .name   = "firmware",
  85                 .offset = MTDPART_OFS_APPEND,
  86                 .size   = MTDPART_SIZ_FULL,
  87         }
  88 };
  89
  90 static struct mtd_partition rb1xx_nand_parts[] = {
  91         {
  92                 .name   = "kernel",
  93                 .offset = 0,
  94                 .size   = 4 * 1024 * 1024,
  95         } , {
  96                 .name   = "rootfs",
  97                 .offset = MTDPART_OFS_NXTBLK,
  98                 .size   = MTDPART_SIZ_FULL
  99         }
 100 };
 101
 102 static struct platform_device *rb1xx_devices[] __initdata = {
 103         &adm5120_flash0_device,
 104         &adm5120_nand_device,
 105 };
 106
 107 /*
 108  * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
 109  * will not be able to find the kernel that we load.  So set the oobinfo
 110  * when creating the partitions
 111  */
 112 static struct nand_ecclayout rb1xx_nand_ecclayout = {
 113         .eccbytes       = 6,
 114         .eccpos         = { 8, 9, 10, 13, 14, 15 },
 115         .oobavail       = 9,
 116         .oobfree        = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
 117 };
 118
 119 static struct resource rb150_nand_resource[] = {
 120         [0] = {
 121                 .start  = RB150_NAND_BASE,
 122                 .end    = RB150_NAND_BASE + RB150_NAND_SIZE-1,
 123                 .flags  = IORESOURCE_MEM,
 124         },
 125 };
 126
 127 static struct resource rb153_cf_resources[] = {
 128         {
 129                 .name   = "cf_membase",
 130                 .start  = ADM5120_EXTIO1_BASE,
 131                 .end    = ADM5120_EXTIO1_BASE + ADM5120_EXTIO1_SIZE-1 ,
 132                 .flags  = IORESOURCE_MEM
 133         }, {
 134                 .name   = "cf_irq",
 135                 .start  = ADM5120_IRQ_GPIO4,
 136                 .end    = ADM5120_IRQ_GPIO4,
 137                 .flags  = IORESOURCE_IRQ
 138         }
 139 };
 140
 141 static struct platform_device rb153_cf_device = {
 142         .name           = "pata-rb153-cf",
 143         .id             = -1,
 144         .resource       = rb153_cf_resources,
 145         .num_resources  = ARRAY_SIZE(rb153_cf_resources),
 146 };
 147
 148 static struct platform_device *rb153_devices[] __initdata = {
 149         &adm5120_flash0_device,
 150         &adm5120_nand_device,
 151         &rb153_cf_device,
 152 };
 153
 154 #if 0
 155 /*
 156  * RB1xx boards have bad network performance with the default VLAN matrixes.
 157  * Disable it while the ethernet driver gets fixed.
 158  */
 159 static unsigned char rb11x_vlans[6] __initdata = {
 160         /* FIXME: untested */
 161         0x41, 0x00, 0x00, 0x00, 0x00, 0x00
 162 };
 163
 164 static unsigned char rb133_vlans[6] __initdata = {
 165         /* FIXME: untested */
 166         0x44, 0x42, 0x41, 0x00, 0x00, 0x00
 167 };
 168
 169 static unsigned char rb133c_vlans[6] __initdata = {
 170         /* FIXME: untested */
 171         0x44, 0x00, 0x00, 0x00, 0x00, 0x00
 172 };
 173
 174 static unsigned char rb15x_vlans[6] __initdata = {
 175         /* FIXME: untested */
 176         0x41, 0x42, 0x44, 0x48, 0x50, 0x00
 177 };
 178
 179 static unsigned char rb192_vlans[6] __initdata = {
 180         /* FIXME: untested */
 181         0x41, 0x50, 0x48, 0x44, 0x42, 0x00
 182 };
 183 #else
 184 static unsigned char rb_vlans[6] __initdata = {
 185         0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
 186 };
 187 #define rb11x_vlans     rb_vlans
 188 #define rb133_vlans     rb_vlans
 189 #define rb133c_vlans    rb_vlans
 190 #define rb15x_vlans     rb_vlans
 191 #define rb192_vlans     rb_vlans
 192 #endif
 193
 194 /*--------------------------------------------------------------------------*/
 195
 196 static int rb150_nand_ready(struct mtd_info *mtd)
 197 {
 198         return gpio_get_value(RB150_GPIO_NAND_READY);
 199 }
 200
 201 static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 202                 unsigned int ctrl)
 203 {
 204         if (ctrl & NAND_CTRL_CHANGE) {
 205                 gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0);
 206                 gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0);
 207                 gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1);
 208         }
 209
 210         udelay(RB150_NAND_DELAY);
 211
 212         if (cmd != NAND_CMD_NONE)
 213                 RB150_NAND_WRITE(cmd);
 214 }
 215
 216 /*--------------------------------------------------------------------------*/
 217
 218 static void __init rb1xx_mac_setup(void)
 219 {
 220         int i, j;
 221
 222         for (i = 0; i < rb_hs.mac_count; i++) {
 223                 for (j = 0; j < RB_MAC_SIZE; j++)
 224                         adm5120_eth_macs[i][j] = rb_hs.macs[i][j];
 225         }
 226 }
 227
 228 static void __init rb1xx_flash_setup(void)
 229 {
 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;
 233
 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.ecclayout = &rb1xx_nand_ecclayout;
 239         adm5120_nand_data.chip.chip_delay = RB1XX_NAND_CHIP_DELAY;
 240         adm5120_nand_data.chip.options = NAND_NO_AUTOINCR;
 241 }
 242
 243 static void __init rb153_cf_setup(void)
 244 {
 245         /* enable CSX1:INTX1 on GPIO 3:4 for the CF slot */
 246         adm5120_gpio_csx1_enable();
 247
 248         gpio_request(RB153_GPIO_CF_RDY, "cf-ready");
 249         gpio_direction_input(RB153_GPIO_CF_RDY);
 250         gpio_request(RB153_GPIO_CF_WT, "cf-wait");
 251         gpio_direction_output(RB153_GPIO_CF_WT, 1);
 252         gpio_direction_input(RB153_GPIO_CF_WT);
 253 }
 254
 255 static void __init rb1xx_setup(void)
 256 {
 257         /* enable NAND flash interface */
 258         adm5120_nand_enable();
 259
 260         /* initialize NAND chip */
 261         adm5120_nand_set_spn(1);
 262         adm5120_nand_set_wpn(0);
 263
 264         rb1xx_flash_setup();
 265         rb1xx_mac_setup();
 266 }
 267
 268 static void __init rb150_setup(void)
 269 {
 270         /* setup GPIO pins for NAND flash chip */
 271         gpio_request(RB150_GPIO_NAND_READY, "nand-ready");
 272         gpio_direction_input(RB150_GPIO_NAND_READY);
 273         gpio_request(RB150_GPIO_NAND_NCE, "nand-nce");
 274         gpio_direction_output(RB150_GPIO_NAND_NCE, 1);
 275         gpio_request(RB150_GPIO_NAND_CLE, "nand-cle");
 276         gpio_direction_output(RB150_GPIO_NAND_CLE, 0);
 277         gpio_request(RB150_GPIO_NAND_ALE, "nand-ale");
 278         gpio_direction_output(RB150_GPIO_NAND_ALE, 0);
 279
 280         adm5120_nand_device.num_resources = ARRAY_SIZE(rb150_nand_resource);
 281         adm5120_nand_device.resource = rb150_nand_resource;
 282         adm5120_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl;
 283         adm5120_nand_data.ctrl.dev_ready = rb150_nand_ready;
 284
 285         adm5120_flash0_data.window_size = 512*1024;
 286
 287         rb1xx_flash_setup();
 288         rb1xx_mac_setup();
 289 }
 290
 291 static void __init rb153_setup(void)
 292 {
 293         rb153_cf_setup();
 294         rb1xx_setup();
 295 }
 296
 297 /*--------------------------------------------------------------------------*/
 298
 299 ADM5120_BOARD_START(RB_111, "Mikrotik RouterBOARD 111")
 300         .board_setup    = rb1xx_setup,
 301         .eth_num_ports  = 1,
 302         .eth_vlans      = rb11x_vlans,
 303         .num_devices    = ARRAY_SIZE(rb1xx_devices),
 304         .devices        = rb1xx_devices,
 305         .pci_nr_irqs    = ARRAY_SIZE(rb1xx_pci_irqs),
 306         .pci_irq_map    = rb1xx_pci_irqs,
 307 ADM5120_BOARD_END
 308
 309 ADM5120_BOARD_START(RB_112, "Mikrotik RouterBOARD 112")
 310         .board_setup    = rb1xx_setup,
 311         .eth_num_ports  = 1,
 312         .eth_vlans      = rb11x_vlans,
 313         .num_devices    = ARRAY_SIZE(rb1xx_devices),
 314         .devices        = rb1xx_devices,
 315         .pci_nr_irqs    = ARRAY_SIZE(rb1xx_pci_irqs),
 316         .pci_irq_map    = rb1xx_pci_irqs,
 317 ADM5120_BOARD_END
 318
 319 ADM5120_BOARD_START(RB_133, "Mikrotik RouterBOARD 133")
 320         .board_setup    = rb1xx_setup,
 321         .eth_num_ports  = 3,
 322         .eth_vlans      = rb133_vlans,
 323         .num_devices    = ARRAY_SIZE(rb1xx_devices),
 324         .devices        = rb1xx_devices,
 325         .pci_nr_irqs    = ARRAY_SIZE(rb1xx_pci_irqs),
 326         .pci_irq_map    = rb1xx_pci_irqs,
 327 ADM5120_BOARD_END
 328
 329 ADM5120_BOARD_START(RB_133C, "Mikrotik RouterBOARD 133C")
 330         .board_setup    = rb1xx_setup,
 331         .eth_num_ports  = 1,
 332         .eth_vlans      = rb133c_vlans,
 333         .num_devices    = ARRAY_SIZE(rb1xx_devices),
 334         .devices        = rb1xx_devices,
 335         .pci_nr_irqs    = ARRAY_SIZE(rb1xx_pci_irqs),
 336         .pci_irq_map    = rb1xx_pci_irqs,
 337 ADM5120_BOARD_END
 338
 339 ADM5120_BOARD_START(RB_150, "Mikrotik RouterBOARD 150")
 340         .board_setup    = rb150_setup,
 341         .eth_num_ports  = 5,
 342         .eth_vlans      = rb15x_vlans,
 343         .num_devices    = ARRAY_SIZE(rb1xx_devices),
 344         .devices        = rb1xx_devices,
 345 ADM5120_BOARD_END
 346
 347 ADM5120_BOARD_START(RB_153, "Mikrotik RouterBOARD 153")
 348         .board_setup    = rb153_setup,
 349         .eth_num_ports  = 5,
 350         .eth_vlans      = rb15x_vlans,
 351         .num_devices    = ARRAY_SIZE(rb153_devices),
 352         .devices        = rb153_devices,
 353         .pci_nr_irqs    = ARRAY_SIZE(rb1xx_pci_irqs),
 354         .pci_irq_map    = rb1xx_pci_irqs,
 355 ADM5120_BOARD_END
 356
 357 ADM5120_BOARD_START(RB_192, "Mikrotik RouterBOARD 192")
 358         .board_setup    = rb1xx_setup,
 359         .eth_num_ports  = 5,
 360         .eth_vlans      = rb192_vlans,
 361         .num_devices    = ARRAY_SIZE(rb1xx_devices),
 362         .devices        = rb1xx_devices,
 363         .pci_nr_irqs    = ARRAY_SIZE(rb1xx_pci_irqs),
 364         .pci_irq_map    = rb1xx_pci_irqs,
 365 ADM5120_BOARD_END