arch/sh/boards/renesas/migor/setup.c

   1 /*
   2  * Renesas System Solutions Asia Pte. Ltd - Migo-R
   3  *
   4  * Copyright (C) 2008 Magnus Damm
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/input.h>
  14 #include <linux/mtd/physmap.h>
  15 #include <linux/mtd/nand.h>
  16 #include <linux/i2c.h>
  17 #include <linux/smc91x.h>
  18 #include <asm/machvec.h>
  19 #include <asm/io.h>
  20 #include <asm/sh_keysc.h>
  21 #include <asm/migor.h>
  22
  23 /* Address     IRQ  Size  Bus  Description
  24  * 0x00000000       64MB  16   NOR Flash (SP29PL256N)
  25  * 0x0c000000       64MB  64   SDRAM (2xK4M563233G)
  26  * 0x10000000  IRQ0       16   Ethernet (SMC91C111)
  27  * 0x14000000  IRQ4       16   USB 2.0 Host Controller (M66596)
  28  * 0x18000000       8GB    8   NAND Flash (K9K8G08U0A)
  29  */
  30
  31 static struct smc91x_platdata smc91x_info = {
  32         .flags = SMC91X_USE_16BIT,
  33 };
  34
  35 static struct resource smc91x_eth_resources[] = {
  36         [0] = {
  37                 .name   = "SMC91C111" ,
  38                 .start  = 0x10000300,
  39                 .end    = 0x1000030f,
  40                 .flags  = IORESOURCE_MEM,
  41         },
  42         [1] = {
  43                 .start  = 32, /* IRQ0 */
  44                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  45         },
  46 };
  47
  48 static struct platform_device smc91x_eth_device = {
  49         .name           = "smc91x",
  50         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  51         .resource       = smc91x_eth_resources,
  52         .dev    = {
  53                 .platform_data  = &smc91x_info,
  54         },
  55 };
  56
  57 static struct sh_keysc_info sh_keysc_info = {
  58         .mode = SH_KEYSC_MODE_2, /* KEYOUT0->4, KEYIN1->5 */
  59         .scan_timing = 3,
  60         .delay = 5,
  61         .keycodes = {
  62                 0, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_ENTER,
  63                 0, KEY_F, KEY_C, KEY_D, KEY_H, KEY_1,
  64                 0, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
  65                 0, KEY_7, KEY_8, KEY_9, KEY_S, KEY_0,
  66                 0, KEY_P, KEY_STOP, KEY_REWIND, KEY_PLAY, KEY_FASTFORWARD,
  67         },
  68 };
  69
  70 static struct resource sh_keysc_resources[] = {
  71         [0] = {
  72                 .start  = 0x044b0000,
  73                 .end    = 0x044b000f,
  74                 .flags  = IORESOURCE_MEM,
  75         },
  76         [1] = {
  77                 .start  = 79,
  78                 .flags  = IORESOURCE_IRQ,
  79         },
  80 };
  81
  82 static struct platform_device sh_keysc_device = {
  83         .name           = "sh_keysc",
  84         .num_resources  = ARRAY_SIZE(sh_keysc_resources),
  85         .resource       = sh_keysc_resources,
  86         .dev    = {
  87                 .platform_data  = &sh_keysc_info,
  88         },
  89 };
  90
  91 static struct mtd_partition migor_nor_flash_partitions[] =
  92 {
  93         {
  94                 .name = "uboot",
  95                 .offset = 0,
  96                 .size = (1 * 1024 * 1024),
  97                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  98         },
  99         {
 100                 .name = "rootfs",
 101                 .offset = MTDPART_OFS_APPEND,
 102                 .size = (15 * 1024 * 1024),
 103         },
 104         {
 105                 .name = "other",
 106                 .offset = MTDPART_OFS_APPEND,
 107                 .size = MTDPART_SIZ_FULL,
 108         },
 109 };
 110
 111 static struct physmap_flash_data migor_nor_flash_data = {
 112         .width          = 2,
 113         .parts          = migor_nor_flash_partitions,
 114         .nr_parts       = ARRAY_SIZE(migor_nor_flash_partitions),
 115 };
 116
 117 static struct resource migor_nor_flash_resources[] = {
 118         [0] = {
 119                 .name           = "NOR Flash",
 120                 .start          = 0x00000000,
 121                 .end            = 0x03ffffff,
 122                 .flags          = IORESOURCE_MEM,
 123         }
 124 };
 125
 126 static struct platform_device migor_nor_flash_device = {
 127         .name           = "physmap-flash",
 128         .resource       = migor_nor_flash_resources,
 129         .num_resources  = ARRAY_SIZE(migor_nor_flash_resources),
 130         .dev            = {
 131                 .platform_data = &migor_nor_flash_data,
 132         },
 133 };
 134
 135 static struct mtd_partition migor_nand_flash_partitions[] = {
 136         {
 137                 .name           = "nanddata1",
 138                 .offset         = 0x0,
 139                 .size           = 512 * 1024 * 1024,
 140         },
 141         {
 142                 .name           = "nanddata2",
 143                 .offset         = MTDPART_OFS_APPEND,
 144                 .size           = 512 * 1024 * 1024,
 145         },
 146 };
 147
 148 static void migor_nand_flash_cmd_ctl(struct mtd_info *mtd, int cmd,
 149                                      unsigned int ctrl)
 150 {
 151         struct nand_chip *chip = mtd->priv;
 152
 153         if (cmd == NAND_CMD_NONE)
 154                 return;
 155
 156         if (ctrl & NAND_CLE)
 157                 writeb(cmd, chip->IO_ADDR_W + 0x00400000);
 158         else if (ctrl & NAND_ALE)
 159                 writeb(cmd, chip->IO_ADDR_W + 0x00800000);
 160         else
 161                 writeb(cmd, chip->IO_ADDR_W);
 162 }
 163
 164 static int migor_nand_flash_ready(struct mtd_info *mtd)
 165 {
 166         return ctrl_inb(PORT_PADR) & 0x02; /* PTA1 */
 167 }
 168
 169 struct platform_nand_data migor_nand_flash_data = {
 170         .chip = {
 171                 .nr_chips = 1,
 172                 .partitions = migor_nand_flash_partitions,
 173                 .nr_partitions = ARRAY_SIZE(migor_nand_flash_partitions),
 174                 .chip_delay = 20,
 175                 .part_probe_types = (const char *[]) { "cmdlinepart", NULL },
 176         },
 177         .ctrl = {
 178                 .dev_ready = migor_nand_flash_ready,
 179                 .cmd_ctrl = migor_nand_flash_cmd_ctl,
 180         },
 181 };
 182
 183 static struct resource migor_nand_flash_resources[] = {
 184         [0] = {
 185                 .name           = "NAND Flash",
 186                 .start          = 0x18000000,
 187                 .end            = 0x18ffffff,
 188                 .flags          = IORESOURCE_MEM,
 189         },
 190 };
 191
 192 static struct platform_device migor_nand_flash_device = {
 193         .name           = "gen_nand",
 194         .resource       = migor_nand_flash_resources,
 195         .num_resources  = ARRAY_SIZE(migor_nand_flash_resources),
 196         .dev            = {
 197                 .platform_data = &migor_nand_flash_data,
 198         }
 199 };
 200
 201 static struct platform_device *migor_devices[] __initdata = {
 202         &smc91x_eth_device,
 203         &sh_keysc_device,
 204         &migor_nor_flash_device,
 205         &migor_nand_flash_device,
 206 };
 207
 208 static struct i2c_board_info __initdata migor_i2c_devices[] = {
 209         {
 210                 I2C_BOARD_INFO("rs5c372b", 0x32),
 211         },
 212         {
 213                 I2C_BOARD_INFO("migor_ts", 0x51),
 214                 .irq = 38, /* IRQ6 */
 215         },
 216 };
 217
 218 static int __init migor_devices_setup(void)
 219 {
 220         i2c_register_board_info(0, migor_i2c_devices,
 221                                 ARRAY_SIZE(migor_i2c_devices));
 222
 223         return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
 224 }
 225 __initcall(migor_devices_setup);
 226
 227 static void __init migor_setup(char **cmdline_p)
 228 {
 229         /* SMC91C111 - Enable IRQ0 */
 230         ctrl_outw(ctrl_inw(PORT_PJCR) & ~0x0003, PORT_PJCR);
 231
 232         /* KEYSC */
 233         ctrl_outw(ctrl_inw(PORT_PYCR) & ~0x0fff, PORT_PYCR);
 234         ctrl_outw(ctrl_inw(PORT_PZCR) & ~0x0ff0, PORT_PZCR);
 235         ctrl_outw(ctrl_inw(PORT_PSELA) & ~0x4100, PORT_PSELA);
 236         ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA);
 237         ctrl_outw(ctrl_inw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC);
 238         ctrl_outl(ctrl_inl(MSTPCR2) & ~0x00004000, MSTPCR2);
 239
 240         /* NAND Flash */
 241         ctrl_outw(ctrl_inw(PORT_PXCR) & 0x0fff, PORT_PXCR);
 242         ctrl_outl((ctrl_inl(BSC_CS6ABCR) & ~0x00000600) | 0x00000200,
 243                   BSC_CS6ABCR);
 244
 245         /* I2C */
 246         ctrl_outl(ctrl_inl(MSTPCR1) & ~0x00000200, MSTPCR1);
 247
 248         /* Touch Panel - Enable IRQ6 */
 249         ctrl_outw(ctrl_inw(PORT_PZCR) & ~0xc, PORT_PZCR);
 250         ctrl_outw((ctrl_inw(PORT_PSELA) | 0x8000), PORT_PSELA);
 251         ctrl_outw((ctrl_inw(PORT_HIZCRC) & ~0x4000), PORT_HIZCRC);
 252 }
 253
 254 static struct sh_machine_vector mv_migor __initmv = {
 255         .mv_name                = "Migo-R",
 256         .mv_setup               = migor_setup,
 257 };