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         .irq_flags = IRQF_TRIGGER_HIGH,
  34 };
  35
  36 static struct resource smc91x_eth_resources[] = {
  37         [0] = {
  38                 .name   = "SMC91C111" ,
  39                 .start  = 0x10000300,
  40                 .end    = 0x1000030f,
  41                 .flags  = IORESOURCE_MEM,
  42         },
  43         [1] = {
  44                 .start  = 32, /* IRQ0 */
  45                 .flags  = IORESOURCE_IRQ,
  46         },
  47 };
  48
  49 static struct platform_device smc91x_eth_device = {
  50         .name           = "smc91x",
  51         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  52         .resource       = smc91x_eth_resources,
  53         .dev    = {
  54                 .platform_data  = &smc91x_info,
  55         },
  56 };
  57
  58 static struct sh_keysc_info sh_keysc_info = {
  59         .mode = SH_KEYSC_MODE_2, /* KEYOUT0->4, KEYIN1->5 */
  60         .scan_timing = 3,
  61         .delay = 5,
  62         .keycodes = {
  63                 0, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_ENTER,
  64                 0, KEY_F, KEY_C, KEY_D, KEY_H, KEY_1,
  65                 0, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
  66                 0, KEY_7, KEY_8, KEY_9, KEY_S, KEY_0,
  67                 0, KEY_P, KEY_STOP, KEY_REWIND, KEY_PLAY, KEY_FASTFORWARD,
  68         },
  69 };
  70
  71 static struct resource sh_keysc_resources[] = {
  72         [0] = {
  73                 .start  = 0x044b0000,
  74                 .end    = 0x044b000f,
  75                 .flags  = IORESOURCE_MEM,
  76         },
  77         [1] = {
  78                 .start  = 79,
  79                 .flags  = IORESOURCE_IRQ,
  80         },
  81 };
  82
  83 static struct platform_device sh_keysc_device = {
  84         .name           = "sh_keysc",
  85         .num_resources  = ARRAY_SIZE(sh_keysc_resources),
  86         .resource       = sh_keysc_resources,
  87         .dev    = {
  88                 .platform_data  = &sh_keysc_info,
  89         },
  90 };
  91
  92 static struct mtd_partition migor_nor_flash_partitions[] =
  93 {
  94         {
  95                 .name = "uboot",
  96                 .offset = 0,
  97                 .size = (1 * 1024 * 1024),
  98                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  99         },
 100         {
 101                 .name = "rootfs",
 102                 .offset = MTDPART_OFS_APPEND,
 103                 .size = (15 * 1024 * 1024),
 104         },
 105         {
 106                 .name = "other",
 107                 .offset = MTDPART_OFS_APPEND,
 108                 .size = MTDPART_SIZ_FULL,
 109         },
 110 };
 111
 112 static struct physmap_flash_data migor_nor_flash_data = {
 113         .width          = 2,
 114         .parts          = migor_nor_flash_partitions,
 115         .nr_parts       = ARRAY_SIZE(migor_nor_flash_partitions),
 116 };
 117
 118 static struct resource migor_nor_flash_resources[] = {
 119         [0] = {
 120                 .name           = "NOR Flash",
 121                 .start          = 0x00000000,
 122                 .end            = 0x03ffffff,
 123                 .flags          = IORESOURCE_MEM,
 124         }
 125 };
 126
 127 static struct platform_device migor_nor_flash_device = {
 128         .name           = "physmap-flash",
 129         .resource       = migor_nor_flash_resources,
 130         .num_resources  = ARRAY_SIZE(migor_nor_flash_resources),
 131         .dev            = {
 132                 .platform_data = &migor_nor_flash_data,
 133         },
 134 };
 135
 136 static struct mtd_partition migor_nand_flash_partitions[] = {
 137         {
 138                 .name           = "nanddata1",
 139                 .offset         = 0x0,
 140                 .size           = 512 * 1024 * 1024,
 141         },
 142         {
 143                 .name           = "nanddata2",
 144                 .offset         = MTDPART_OFS_APPEND,
 145                 .size           = 512 * 1024 * 1024,
 146         },
 147 };
 148
 149 static void migor_nand_flash_cmd_ctl(struct mtd_info *mtd, int cmd,
 150                                      unsigned int ctrl)
 151 {
 152         struct nand_chip *chip = mtd->priv;
 153
 154         if (cmd == NAND_CMD_NONE)
 155                 return;
 156
 157         if (ctrl & NAND_CLE)
 158                 writeb(cmd, chip->IO_ADDR_W + 0x00400000);
 159         else if (ctrl & NAND_ALE)
 160                 writeb(cmd, chip->IO_ADDR_W + 0x00800000);
 161         else
 162                 writeb(cmd, chip->IO_ADDR_W);
 163 }
 164
 165 static int migor_nand_flash_ready(struct mtd_info *mtd)
 166 {
 167         return ctrl_inb(PORT_PADR) & 0x02; /* PTA1 */
 168 }
 169
 170 struct platform_nand_data migor_nand_flash_data = {
 171         .chip = {
 172                 .nr_chips = 1,
 173                 .partitions = migor_nand_flash_partitions,
 174                 .nr_partitions = ARRAY_SIZE(migor_nand_flash_partitions),
 175                 .chip_delay = 20,
 176                 .part_probe_types = (const char *[]) { "cmdlinepart", NULL },
 177         },
 178         .ctrl = {
 179                 .dev_ready = migor_nand_flash_ready,
 180                 .cmd_ctrl = migor_nand_flash_cmd_ctl,
 181         },
 182 };
 183
 184 static struct resource migor_nand_flash_resources[] = {
 185         [0] = {
 186                 .name           = "NAND Flash",
 187                 .start          = 0x18000000,
 188                 .end            = 0x18ffffff,
 189                 .flags          = IORESOURCE_MEM,
 190         },
 191 };
 192
 193 static struct platform_device migor_nand_flash_device = {
 194         .name           = "gen_nand",
 195         .resource       = migor_nand_flash_resources,
 196         .num_resources  = ARRAY_SIZE(migor_nand_flash_resources),
 197         .dev            = {
 198                 .platform_data = &migor_nand_flash_data,
 199         }
 200 };
 201
 202 static struct platform_device *migor_devices[] __initdata = {
 203         &smc91x_eth_device,
 204         &sh_keysc_device,
 205         &migor_nor_flash_device,
 206         &migor_nand_flash_device,
 207 };
 208
 209 static struct i2c_board_info __initdata migor_i2c_devices[] = {
 210         {
 211                 I2C_BOARD_INFO("rs5c372b", 0x32),
 212         },
 213         {
 214                 I2C_BOARD_INFO("migor_ts", 0x51),
 215                 .irq = 38, /* IRQ6 */
 216         },
 217 };
 218
 219 static int __init migor_devices_setup(void)
 220 {
 221         i2c_register_board_info(0, migor_i2c_devices,
 222                                 ARRAY_SIZE(migor_i2c_devices));
 223
 224         return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
 225 }
 226 __initcall(migor_devices_setup);
 227
 228 static void __init migor_setup(char **cmdline_p)
 229 {
 230         /* SMC91C111 - Enable IRQ0 */
 231         ctrl_outw(ctrl_inw(PORT_PJCR) & ~0x0003, PORT_PJCR);
 232
 233         /* KEYSC */
 234         ctrl_outw(ctrl_inw(PORT_PYCR) & ~0x0fff, PORT_PYCR);
 235         ctrl_outw(ctrl_inw(PORT_PZCR) & ~0x0ff0, PORT_PZCR);
 236         ctrl_outw(ctrl_inw(PORT_PSELA) & ~0x4100, PORT_PSELA);
 237         ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA);
 238         ctrl_outw(ctrl_inw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC);
 239         ctrl_outl(ctrl_inl(MSTPCR2) & ~0x00004000, MSTPCR2);
 240
 241         /* NAND Flash */
 242         ctrl_outw(ctrl_inw(PORT_PXCR) & 0x0fff, PORT_PXCR);
 243         ctrl_outl((ctrl_inl(BSC_CS6ABCR) & ~0x00000600) | 0x00000200,
 244                   BSC_CS6ABCR);
 245
 246         /* I2C */
 247         ctrl_outl(ctrl_inl(MSTPCR1) & ~0x00000200, MSTPCR1);
 248
 249         /* Touch Panel - Enable IRQ6 */
 250         ctrl_outw(ctrl_inw(PORT_PZCR) & ~0xc, PORT_PZCR);
 251         ctrl_outw((ctrl_inw(PORT_PSELA) | 0x8000), PORT_PSELA);
 252         ctrl_outw((ctrl_inw(PORT_HIZCRC) & ~0x4000), PORT_HIZCRC);
 253 }
 254
 255 static struct sh_machine_vector mv_migor __initmv = {
 256         .mv_name                = "Migo-R",
 257         .mv_setup               = migor_setup,
 258 };