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 <linux/irq.h>
  22 #include <asm/heartbeat.h>
  23 #include <mach/sh7785lcr.h>
  24
  25 /*
  26  * NOTE: This board has 2 physical memory maps.
  27  *       Please look at include/asm-sh/sh7785lcr.h or hardware manual.
  28  */
  29 static struct resource heartbeat_resources[] = {
  30         [0] = {
  31                 .start  = PLD_LEDCR,
  32                 .end    = PLD_LEDCR,
  33                 .flags  = IORESOURCE_MEM,
  34         },
  35 };
  36
  37 static struct heartbeat_data heartbeat_data = {
  38         .regsize = 8,
  39 };
  40
  41 static struct platform_device heartbeat_device = {
  42         .name           = "heartbeat",
  43         .id             = -1,
  44         .dev    = {
  45                 .platform_data  = &heartbeat_data,
  46         },
  47         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  48         .resource       = heartbeat_resources,
  49 };
  50
  51 static struct mtd_partition nor_flash_partitions[] = {
  52         {
  53                 .name           = "loader",
  54                 .offset         = 0x00000000,
  55                 .size           = 512 * 1024,
  56         },
  57         {
  58                 .name           = "bootenv",
  59                 .offset         = MTDPART_OFS_APPEND,
  60                 .size           = 512 * 1024,
  61         },
  62         {
  63                 .name           = "kernel",
  64                 .offset         = MTDPART_OFS_APPEND,
  65                 .size           = 4 * 1024 * 1024,
  66         },
  67         {
  68                 .name           = "data",
  69                 .offset         = MTDPART_OFS_APPEND,
  70                 .size           = MTDPART_SIZ_FULL,
  71         },
  72 };
  73
  74 static struct physmap_flash_data nor_flash_data = {
  75         .width          = 4,
  76         .parts          = nor_flash_partitions,
  77         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  78 };
  79
  80 static struct resource nor_flash_resources[] = {
  81         [0]     = {
  82                 .start  = NOR_FLASH_ADDR,
  83                 .end    = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
  84                 .flags  = IORESOURCE_MEM,
  85         }
  86 };
  87
  88 static struct platform_device nor_flash_device = {
  89         .name           = "physmap-flash",
  90         .dev            = {
  91                 .platform_data  = &nor_flash_data,
  92         },
  93         .num_resources  = ARRAY_SIZE(nor_flash_resources),
  94         .resource       = nor_flash_resources,
  95 };
  96
  97 static struct resource r8a66597_usb_host_resources[] = {
  98         [0] = {
  99                 .name   = "r8a66597_hcd",
 100                 .start  = R8A66597_ADDR,
 101                 .end    = R8A66597_ADDR + R8A66597_SIZE - 1,
 102                 .flags  = IORESOURCE_MEM,
 103         },
 104         [1] = {
 105                 .name   = "r8a66597_hcd",
 106                 .start  = 2,
 107                 .end    = 2,
 108                 .flags  = IORESOURCE_IRQ,
 109         },
 110 };
 111
 112 static struct platform_device r8a66597_usb_host_device = {
 113         .name           = "r8a66597_hcd",
 114         .id             = -1,
 115         .dev = {
 116                 .dma_mask               = NULL,
 117                 .coherent_dma_mask      = 0xffffffff,
 118         },
 119         .num_resources  = ARRAY_SIZE(r8a66597_usb_host_resources),
 120         .resource       = r8a66597_usb_host_resources,
 121 };
 122
 123 static struct resource sm501_resources[] = {
 124         [0]     = {
 125                 .start  = SM107_MEM_ADDR,
 126                 .end    = SM107_MEM_ADDR + SM107_MEM_SIZE - 1,
 127                 .flags  = IORESOURCE_MEM,
 128         },
 129         [1]     = {
 130                 .start  = SM107_REG_ADDR,
 131                 .end    = SM107_REG_ADDR + SM107_REG_SIZE - 1,
 132                 .flags  = IORESOURCE_MEM,
 133         },
 134         [2]     = {
 135                 .start  = 10,
 136                 .flags  = IORESOURCE_IRQ,
 137         },
 138 };
 139
 140 static struct fb_videomode sm501_default_mode_crt = {
 141         .pixclock       = 35714,        /* 28MHz */
 142         .xres           = 640,
 143         .yres           = 480,
 144         .left_margin    = 105,
 145         .right_margin   = 16,
 146         .upper_margin   = 33,
 147         .lower_margin   = 10,
 148         .hsync_len      = 39,
 149         .vsync_len      = 2,
 150         .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 151 };
 152
 153 static struct fb_videomode sm501_default_mode_pnl = {
 154         .pixclock       = 40000,        /* 25MHz */
 155         .xres           = 640,
 156         .yres           = 480,
 157         .left_margin    = 2,
 158         .right_margin   = 16,
 159         .upper_margin   = 33,
 160         .lower_margin   = 10,
 161         .hsync_len      = 39,
 162         .vsync_len      = 2,
 163         .sync           = 0,
 164 };
 165
 166 static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = {
 167         .def_bpp        = 16,
 168         .def_mode       = &sm501_default_mode_pnl,
 169         .flags          = SM501FB_FLAG_USE_INIT_MODE |
 170                           SM501FB_FLAG_USE_HWCURSOR |
 171                           SM501FB_FLAG_USE_HWACCEL |
 172                           SM501FB_FLAG_DISABLE_AT_EXIT |
 173                           SM501FB_FLAG_PANEL_NO_VBIASEN,
 174 };
 175
 176 static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = {
 177         .def_bpp        = 16,
 178         .def_mode       = &sm501_default_mode_crt,
 179         .flags          = SM501FB_FLAG_USE_INIT_MODE |
 180                           SM501FB_FLAG_USE_HWCURSOR |
 181                           SM501FB_FLAG_USE_HWACCEL |
 182                           SM501FB_FLAG_DISABLE_AT_EXIT,
 183 };
 184
 185 static struct sm501_platdata_fb sm501_fb_pdata = {
 186         .fb_route       = SM501_FB_OWN,
 187         .fb_crt         = &sm501_pdata_fbsub_crt,
 188         .fb_pnl         = &sm501_pdata_fbsub_pnl,
 189 };
 190
 191 static struct sm501_initdata sm501_initdata = {
 192         .gpio_high      = {
 193                 .set    = 0x00001fe0,
 194                 .mask   = 0x0,
 195         },
 196         .devices        = 0,
 197         .mclk           = 84 * 1000000,
 198         .m1xclk         = 112 * 1000000,
 199 };
 200
 201 static struct sm501_platdata sm501_platform_data = {
 202         .init           = &sm501_initdata,
 203         .fb             = &sm501_fb_pdata,
 204 };
 205
 206 static struct platform_device sm501_device = {
 207         .name           = "sm501",
 208         .id             = -1,
 209         .dev            = {
 210                 .platform_data  = &sm501_platform_data,
 211         },
 212         .num_resources  = ARRAY_SIZE(sm501_resources),
 213         .resource       = sm501_resources,
 214 };
 215
 216 static struct resource i2c_resources[] = {
 217         [0] = {
 218                 .start  = PCA9564_ADDR,
 219                 .end    = PCA9564_ADDR + PCA9564_SIZE - 1,
 220                 .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
 221         },
 222         [1] = {
 223                 .start  = 12,
 224                 .end    = 12,
 225                 .flags  = IORESOURCE_IRQ,
 226         },
 227 };
 228
 229 static struct i2c_pca9564_pf_platform_data i2c_platform_data = {
 230         .gpio                   = 0,
 231         .i2c_clock_speed        = I2C_PCA_CON_330kHz,
 232         .timeout                = HZ,
 233 };
 234
 235 static struct platform_device i2c_device = {
 236         .name           = "i2c-pca-platform",
 237         .id             = -1,
 238         .dev            = {
 239                 .platform_data  = &i2c_platform_data,
 240         },
 241         .num_resources  = ARRAY_SIZE(i2c_resources),
 242         .resource       = i2c_resources,
 243 };
 244
 245 static struct platform_device *sh7785lcr_devices[] __initdata = {
 246         &heartbeat_device,
 247         &nor_flash_device,
 248         &r8a66597_usb_host_device,
 249         &sm501_device,
 250         &i2c_device,
 251 };
 252
 253 static struct i2c_board_info __initdata sh7785lcr_i2c_devices[] = {
 254         {
 255                 I2C_BOARD_INFO("r2025sd", 0x32),
 256         },
 257 };
 258
 259 static int __init sh7785lcr_devices_setup(void)
 260 {
 261         i2c_register_board_info(0, sh7785lcr_i2c_devices,
 262                                 ARRAY_SIZE(sh7785lcr_i2c_devices));
 263
 264         return platform_add_devices(sh7785lcr_devices,
 265                                     ARRAY_SIZE(sh7785lcr_devices));
 266 }
 267 __initcall(sh7785lcr_devices_setup);
 268
 269 /* Initialize IRQ setting */
 270 void __init init_sh7785lcr_IRQ(void)
 271 {
 272         plat_irq_setup_pins(IRQ_MODE_IRQ7654);
 273         plat_irq_setup_pins(IRQ_MODE_IRQ3210);
 274 }
 275
 276 static void sh7785lcr_power_off(void)
 277 {
 278         unsigned char *p;
 279
 280         p = ioremap(PLD_POFCR, PLD_POFCR + 1);
 281         if (!p) {
 282                 printk(KERN_ERR "%s: ioremap error.\n", __func__);
 283                 return;
 284         }
 285         *p = 0x01;
 286         iounmap(p);
 287         set_bl_bit();
 288         while (1)
 289                 cpu_relax();
 290 }
 291
 292 /* Initialize the board */
 293 static void __init sh7785lcr_setup(char **cmdline_p)
 294 {
 295         void __iomem *sm501_reg;
 296
 297         printk(KERN_INFO "Renesas Technology Corp. R0P7785LC0011RL support.\n");
 298
 299         pm_power_off = sh7785lcr_power_off;
 300
 301         /* sm501 DRAM configuration */
 302         sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL;
 303         writel(0x000307c2, sm501_reg);
 304 }
 305
 306 /*
 307  * The Machine Vector
 308  */
 309 static struct sh_machine_vector mv_sh7785lcr __initmv = {
 310         .mv_name                = "SH7785LCR",
 311         .mv_setup               = sh7785lcr_setup,
 312         .mv_init_irq            = init_sh7785lcr_IRQ,
 313 };
 314