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 /*--------------------------------------------------------------------------*/
  65
  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)
  70 };
  71
  72 static struct mtd_partition rb1xx_nor_parts[] = {
  73         {
  74                 .name   = "booter",
  75                 .offset = 0,
  76                 .size   = 64*1024,
  77                 .mask_flags = MTD_WRITEABLE,
  78         } , {
  79                 .name   = "firmware",
  80                 .offset = MTDPART_OFS_APPEND,
  81                 .size   = MTDPART_SIZ_FULL,
  82         }
  83 };
  84
  85 static struct mtd_partition rb1xx_nand_parts[] = {
  86         {
  87                 .name   = "kernel",
  88                 .offset = 0,
  89                 .size   = 4 * 1024 * 1024,
  90         } , {
  91                 .name   = "rootfs",
  92                 .offset = MTDPART_OFS_NXTBLK,
  93                 .size   = MTDPART_SIZ_FULL
  94         }
  95 };
  96
  97 static struct platform_device *rb1xx_devices[] __initdata = {
  98         &adm5120_flash0_device,
  99         &adm5120_nand_device,
 100 };
 101
 102 /*
 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
 106  */
 107 static struct nand_ecclayout rb1xx_nand_ecclayout = {
 108         .eccbytes       = 6,
 109         .eccpos         = { 8, 9, 10, 13, 14, 15 },
 110         .oobavail       = 9,
 111         .oobfree        = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
 112 };
 113
 114 static struct resource rb150_nand_resource[] = {
 115         [0] = {
 116                 .start  = RB150_NAND_BASE,
 117                 .end    = RB150_NAND_BASE + RB150_NAND_SIZE-1,
 118                 .flags  = IORESOURCE_MEM,
 119         },
 120 };
 121
 122 static struct resource rb153_cf_resources[] = {
 123         {
 124                 .name   = "cf_membase",
 125                 .start  = ADM5120_EXTIO1_BASE,
 126                 .end    = ADM5120_EXTIO1_BASE + ADM5120_EXTIO1_SIZE-1 ,
 127                 .flags  = IORESOURCE_MEM
 128         }, {
 129                 .name   = "cf_irq",
 130                 .start  = ADM5120_IRQ_GPIO4,
 131                 .end    = ADM5120_IRQ_GPIO4,
 132                 .flags  = IORESOURCE_IRQ
 133         }
 134 };
 135
 136 static struct platform_device rb153_cf_device = {
 137         .name           = "pata-rb153-cf",
 138         .id             = -1,
 139         .resource       = rb153_cf_resources,
 140         .num_resources  = ARRAY_SIZE(rb153_cf_resources),
 141 };
 142
 143 static struct platform_device *rb153_devices[] __initdata = {
 144         &adm5120_flash0_device,
 145         &adm5120_nand_device,
 146         &rb153_cf_device,
 147 };
 148
 149 #if 0
 150 /*
 151  * RB1xx boards have bad network performance with the default VLAN matrixes.
 152  * Disable it while the ethernet driver gets fixed.
 153  */
 154 static unsigned char rb11x_vlans[6] __initdata = {
 155         /* FIXME: untested */
 156         0x41, 0x00, 0x00, 0x00, 0x00, 0x00
 157 };
 158
 159 static unsigned char rb133_vlans[6] __initdata = {
 160         /* FIXME: untested */
 161         0x44, 0x42, 0x41, 0x00, 0x00, 0x00
 162 };
 163
 164 static unsigned char rb133c_vlans[6] __initdata = {
 165         /* FIXME: untested */
 166         0x44, 0x00, 0x00, 0x00, 0x00, 0x00
 167 };
 168
 169 static unsigned char rb15x_vlans[6] __initdata = {
 170         /* FIXME: untested */
 171         0x41, 0x42, 0x44, 0x48, 0x50, 0x00
 172 };
 173
 174 static unsigned char rb192_vlans[6] __initdata = {
 175         /* FIXME: untested */
 176         0x41, 0x50, 0x48, 0x44, 0x42, 0x00
 177 };
 178 #else
 179 static unsigned char rb_vlans[6] __initdata = {
 180         0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
 181 };
 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
 187 #endif
 188
 189 /*--------------------------------------------------------------------------*/
 190
 191 static int rb150_nand_ready(struct mtd_info *mtd)
 192 {
 193         return gpio_get_value(RB150_GPIO_NAND_READY);
 194 }
 195
 196 static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 197                 unsigned int ctrl)
 198 {
 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);
 203         }
 204
 205         udelay(RB150_NAND_DELAY);
 206
 207         if (cmd != NAND_CMD_NONE)
 208                 RB150_NAND_WRITE(cmd);
 209 }
 210
 211 /*--------------------------------------------------------------------------*/
 212
 213 static void __init rb1xx_mac_setup(void)
 214 {
 215         int i, j;
 216
 217         if (!rb_hs.mac_base)
 218                 return;
 219
 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;
 224         }
 225 }
 226
 227 static void __init rb1xx_flash_setup(void)
 228 {
 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;
 232
 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;
 240 }
 241
 242 static void __init rb1xx_setup(void)
 243 {
 244         /* enable NAND flash interface */
 245         adm5120_nand_enable();
 246
 247         /* initialize NAND chip */
 248         adm5120_nand_set_spn(1);
 249         adm5120_nand_set_wpn(0);
 250
 251         rb1xx_flash_setup();
 252         rb1xx_mac_setup();
 253 }
 254
 255 static void __init rb150_setup(void)
 256 {
 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);
 266
 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;
 271
 272         adm5120_flash0_data.window_size = 512*1024;
 273
 274         rb1xx_flash_setup();
 275         rb1xx_mac_setup();
 276 }
 277
 278 static void __init rb153_setup(void)
 279 {
 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();
 284
 285         rb1xx_setup();
 286 }
 287
 288 /*--------------------------------------------------------------------------*/
 289
 290 ADM5120_BOARD_START(RB_111, "Mikrotik RouterBOARD 111")
 291         .board_setup    = rb1xx_setup,
 292         .eth_num_ports  = 1,
 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,
 298 ADM5120_BOARD_END
 299
 300 ADM5120_BOARD_START(RB_112, "Mikrotik RouterBOARD 112")
 301         .board_setup    = rb1xx_setup,
 302         .eth_num_ports  = 1,
 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,
 308 ADM5120_BOARD_END
 309
 310 ADM5120_BOARD_START(RB_133, "Mikrotik RouterBOARD 133")
 311         .board_setup    = rb1xx_setup,
 312         .eth_num_ports  = 3,
 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,
 318 ADM5120_BOARD_END
 319
 320 ADM5120_BOARD_START(RB_133C, "Mikrotik RouterBOARD 133C")
 321         .board_setup    = rb1xx_setup,
 322         .eth_num_ports  = 1,
 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,
 328 ADM5120_BOARD_END
 329
 330 ADM5120_BOARD_START(RB_150, "Mikrotik RouterBOARD 150")
 331         .board_setup    = rb150_setup,
 332         .eth_num_ports  = 5,
 333         .eth_vlans      = rb15x_vlans,
 334         .num_devices    = ARRAY_SIZE(rb1xx_devices),
 335         .devices        = rb1xx_devices,
 336 ADM5120_BOARD_END
 337
 338 ADM5120_BOARD_START(RB_153, "Mikrotik RouterBOARD 153")
 339         .board_setup    = rb153_setup,
 340         .eth_num_ports  = 5,
 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,
 346 ADM5120_BOARD_END
 347
 348 ADM5120_BOARD_START(RB_192, "Mikrotik RouterBOARD 192")
 349         .board_setup    = rb1xx_setup,
 350         .eth_num_ports  = 5,
 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,
 356 ADM5120_BOARD_END