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