arch/sh/boards/board-sh7785lcr.c

   1 /*
   2  * Renesas Technology Corp. R0P7785LC0011RL Support.
   3  *
   4  * Copyright (C) 2008  Yoshihiro Shimoda
   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
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/sm501.h>
  14 #include <linux/sm501-regs.h>
  15 #include <linux/fb.h>
  16 #include <linux/mtd/physmap.h>
  17 #include <linux/delay.h>
  18 #include <linux/i2c.h>
  19 #include <linux/i2c-pca-platform.h>
  20 #include <linux/i2c-algo-pca.h>
  21 #include <asm/heartbeat.h>
  22 #include <asm/sh7785lcr.h>
  23
  24 /*
  25  * NOTE: This board has 2 physical memory maps.
  26  *       Please look at include/asm-sh/sh7785lcr.h or hardware manual.
  27  */
  28 static struct resource heartbeat_resources[] = {
  29         [0] = {
  30                 .start  = PLD_LEDCR,
  31                 .end    = PLD_LEDCR,
  32                 .flags  = IORESOURCE_MEM,
  33         },
  34 };
  35
  36 static struct heartbeat_data heartbeat_data = {
  37         .regsize = 8,
  38 };
  39
  40 static struct platform_device heartbeat_device = {
  41         .name           = "heartbeat",
  42         .id             = -1,
  43         .dev    = {
  44                 .platform_data  = &heartbeat_data,
  45         },
  46         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  47         .resource       = heartbeat_resources,
  48 };
  49
  50 static struct mtd_partition nor_flash_partitions[] = {
  51         {
  52                 .name           = "loader",
  53                 .offset         = 0x00000000,
  54                 .size           = 512 * 1024,
  55         },
  56         {
  57                 .name           = "bootenv",
  58                 .offset         = MTDPART_OFS_APPEND,
  59                 .size           = 512 * 1024,
  60         },
  61         {
  62                 .name           = "kernel",
  63                 .offset         = MTDPART_OFS_APPEND,
  64                 .size           = 4 * 1024 * 1024,
  65         },
  66         {
  67                 .name           = "data",
  68                 .offset         = MTDPART_OFS_APPEND,
  69                 .size           = MTDPART_SIZ_FULL,
  70         },
  71 };
  72
  73 static struct physmap_flash_data nor_flash_data = {
  74         .width          = 4,
  75         .parts          = nor_flash_partitions,
  76         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  77 };
  78
  79 static struct resource nor_flash_resources[] = {
  80         [0]     = {
  81                 .start  = NOR_FLASH_ADDR,
  82                 .end    = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
  83                 .flags  = IORESOURCE_MEM,
  84         }
  85 };
  86
  87 static struct platform_device nor_flash_device = {
  88         .name           = "physmap-flash",
  89         .dev            = {
  90                 .platform_data  = &nor_flash_data,
  91         },
  92         .num_resources  = ARRAY_SIZE(nor_flash_resources),
  93         .resource       = nor_flash_resources,
  94 };
  95
  96 static struct resource r8a66597_usb_host_resources[] = {
  97         [0] = {
  98                 .name   = "r8a66597_hcd",
  99                 .start  = R8A66597_ADDR,
 100                 .end    = R8A66597_ADDR + R8A66597_SIZE - 1,
 101                 .flags  = IORESOURCE_MEM,
 102         },
 103         [1] = {
 104                 .name   = "r8a66597_hcd",
 105                 .start  = 2,
 106                 .end    = 2,
 107                 .flags  = IORESOURCE_IRQ,
 108         },
 109 };
 110
 111 static struct platform_device r8a66597_usb_host_device = {
 112         .name           = "r8a66597_hcd",
 113         .id             = -1,
 114         .dev = {
 115                 .dma_mask               = NULL,
 116                 .coherent_dma_mask      = 0xffffffff,
 117         },
 118         .num_resources  = ARRAY_SIZE(r8a66597_usb_host_resources),
 119         .resource       = r8a66597_usb_host_resources,
 120 };
 121
 122 static struct resource sm501_resources[] = {
 123         [0]     = {
 124                 .start  = SM107_MEM_ADDR,
 125                 .end    = SM107_MEM_ADDR + SM107_MEM_SIZE - 1,
 126                 .flags  = IORESOURCE_MEM,
 127         },
 128         [1]     = {
 129                 .start  = SM107_REG_ADDR,
 130                 .end    = SM107_REG_ADDR + SM107_REG_SIZE - 1,
 131                 .flags  = IORESOURCE_MEM,
 132         },
 133         [2]     = {
 134                 .start  = 10,
 135                 .flags  = IORESOURCE_IRQ,
 136         },
 137 };
 138
 139 static struct fb_videomode sm501_default_mode_crt = {
 140         .pixclock       = 35714,        /* 28MHz */
 141         .xres           = 640,
 142         .yres           = 480,
 143         .left_margin    = 105,
 144         .right_margin   = 16,
 145         .upper_margin   = 33,
 146         .lower_margin   = 10,
 147         .hsync_len      = 39,
 148         .vsync_len      = 2,
 149         .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 150 };
 151
 152 static struct fb_videomode sm501_default_mode_pnl = {
 153         .pixclock       = 40000,        /* 25MHz */
 154         .xres           = 640,
 155         .yres           = 480,
 156         .left_margin    = 2,
 157         .right_margin   = 16,
 158         .upper_margin   = 33,
 159         .lower_margin   = 10,
 160         .hsync_len      = 39,
 161         .vsync_len      = 2,
 162         .sync           = 0,
 163 };
 164
 165 static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = {
 166         .def_bpp        = 16,
 167         .def_mode       = &sm501_default_mode_pnl,
 168         .flags          = SM501FB_FLAG_USE_INIT_MODE |
 169                           SM501FB_FLAG_USE_HWCURSOR |
 170                           SM501FB_FLAG_USE_HWACCEL |
 171                           SM501FB_FLAG_DISABLE_AT_EXIT |
 172                           SM501FB_FLAG_PANEL_NO_VBIASEN,
 173 };
 174
 175 static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = {
 176         .def_bpp        = 16,
 177         .def_mode       = &sm501_default_mode_crt,
 178         .flags          = SM501FB_FLAG_USE_INIT_MODE |
 179                           SM501FB_FLAG_USE_HWCURSOR |
 180                           SM501FB_FLAG_USE_HWACCEL |
 181                           SM501FB_FLAG_DISABLE_AT_EXIT,
 182 };
 183
 184 static struct sm501_platdata_fb sm501_fb_pdata = {
 185         .fb_route       = SM501_FB_OWN,
 186         .fb_crt         = &sm501_pdata_fbsub_crt,
 187         .fb_pnl         = &sm501_pdata_fbsub_pnl,
 188 };
 189
 190 static struct sm501_initdata sm501_initdata = {
 191         .gpio_high      = {
 192                 .set    = 0x00001fe0,
 193                 .mask   = 0x0,
 194         },
 195         .devices        = 0,
 196         .mclk           = 84 * 1000000,
 197         .m1xclk         = 112 * 1000000,
 198 };
 199
 200 static struct sm501_platdata sm501_platform_data = {
 201         .init           = &sm501_initdata,
 202         .fb             = &sm501_fb_pdata,
 203 };
 204
 205 static struct platform_device sm501_device = {
 206         .name           = "sm501",
 207         .id             = -1,
 208         .dev            = {
 209                 .platform_data  = &sm501_platform_data,
 210         },
 211         .num_resources  = ARRAY_SIZE(sm501_resources),
 212         .resource       = sm501_resources,
 213 };
 214
 215 static struct resource i2c_resources[] = {
 216         [0] = {
 217                 .start  = PCA9564_ADDR,
 218                 .end    = PCA9564_ADDR + PCA9564_SIZE - 1,
 219                 .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
 220         },
 221         [1] = {
 222                 .start  = 12,
 223                 .end    = 12,
 224                 .flags  = IORESOURCE_IRQ,
 225         },
 226 };
 227
 228 static struct i2c_pca9564_pf_platform_data i2c_platform_data = {
 229         .gpio                   = 0,
 230         .i2c_clock_speed        = I2C_PCA_CON_330kHz,
 231         .timeout                = 100,
 232 };
 233
 234 static struct platform_device i2c_device = {
 235         .name           = "i2c-pca-platform",
 236         .id             = -1,
 237         .dev            = {
 238                 .platform_data  = &i2c_platform_data,
 239         },
 240         .num_resources  = ARRAY_SIZE(i2c_resources),
 241         .resource       = i2c_resources,
 242 };
 243
 244 static struct platform_device *sh7785lcr_devices[] __initdata = {
 245         &heartbeat_device,
 246         &nor_flash_device,
 247         &r8a66597_usb_host_device,
 248         &sm501_device,
 249         &i2c_device,
 250 };
 251
 252 static struct i2c_board_info __initdata sh7785lcr_i2c_devices[] = {
 253         {
 254                 I2C_BOARD_INFO("r2025sd", 0x32),
 255         },
 256 };
 257
 258 static int __init sh7785lcr_devices_setup(void)
 259 {
 260         i2c_register_board_info(0, sh7785lcr_i2c_devices,
 261                                 ARRAY_SIZE(sh7785lcr_i2c_devices));
 262
 263         return platform_add_devices(sh7785lcr_devices,
 264                                     ARRAY_SIZE(sh7785lcr_devices));
 265 }
 266 __initcall(sh7785lcr_devices_setup);
 267
 268 /* Initialize IRQ setting */
 269 void __init init_sh7785lcr_IRQ(void)
 270 {
 271         plat_irq_setup_pins(IRQ_MODE_IRQ7654);
 272         plat_irq_setup_pins(IRQ_MODE_IRQ3210);
 273 }
 274
 275 static void sh7785lcr_power_off(void)
 276 {
 277         ctrl_outb(0x01, P2SEGADDR(PLD_POFCR));
 278 }
 279
 280 /* Initialize the board */
 281 static void __init sh7785lcr_setup(char **cmdline_p)
 282 {
 283         void __iomem *sm501_reg;
 284
 285         printk(KERN_INFO "Renesas Technology Corp. R0P7785LC0011RL support.\n");
 286
 287         pm_power_off = sh7785lcr_power_off;
 288
 289         /* sm501 DRAM configuration */
 290         sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL;
 291         writel(0x000307c2, sm501_reg);
 292 }
 293
 294 /*
 295  * The Machine Vector
 296  */
 297 static struct sh_machine_vector mv_sh7785lcr __initmv = {
 298         .mv_name                = "SH7785LCR",
 299         .mv_setup               = sh7785lcr_setup,
 300         .mv_init_irq            = init_sh7785lcr_IRQ,
 301 };
 302