arch/arm/mach-shmobile/board-g3evm.c

   1 /*
   2  * G3EVM board support
   3  *
   4  * Copyright (C) 2010  Magnus Damm
   5  * Copyright (C) 2008  Yoshihiro Shimoda
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/irq.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/delay.h>
  26 #include <linux/mtd/mtd.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/mtd/sh_flctl.h>
  30 #include <linux/usb/r8a66597.h>
  31 #include <linux/io.h>
  32 #include <linux/gpio.h>
  33 #include <linux/input.h>
  34 #include <linux/input/sh_keysc.h>
  35 #include <mach/sh7367.h>
  36 #include <mach/common.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40
  41 static struct mtd_partition nor_flash_partitions[] = {
  42         {
  43                 .name           = "loader",
  44                 .offset         = 0x00000000,
  45                 .size           = 512 * 1024,
  46         },
  47         {
  48                 .name           = "bootenv",
  49                 .offset         = MTDPART_OFS_APPEND,
  50                 .size           = 512 * 1024,
  51         },
  52         {
  53                 .name           = "kernel_ro",
  54                 .offset         = MTDPART_OFS_APPEND,
  55                 .size           = 8 * 1024 * 1024,
  56                 .mask_flags     = MTD_WRITEABLE,
  57         },
  58         {
  59                 .name           = "kernel",
  60                 .offset         = MTDPART_OFS_APPEND,
  61                 .size           = 8 * 1024 * 1024,
  62         },
  63         {
  64                 .name           = "data",
  65                 .offset         = MTDPART_OFS_APPEND,
  66                 .size           = MTDPART_SIZ_FULL,
  67         },
  68 };
  69
  70 static struct physmap_flash_data nor_flash_data = {
  71         .width          = 2,
  72         .parts          = nor_flash_partitions,
  73         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  74 };
  75
  76 static struct resource nor_flash_resources[] = {
  77         [0]     = {
  78                 .start  = 0x00000000,
  79                 .end    = 0x08000000 - 1,
  80                 .flags  = IORESOURCE_MEM,
  81         }
  82 };
  83
  84 static struct platform_device nor_flash_device = {
  85         .name           = "physmap-flash",
  86         .dev            = {
  87                 .platform_data  = &nor_flash_data,
  88         },
  89         .num_resources  = ARRAY_SIZE(nor_flash_resources),
  90         .resource       = nor_flash_resources,
  91 };
  92
  93 /* USBHS */
  94 void usb_host_port_power(int port, int power)
  95 {
  96         if (!power) /* only power-on supported for now */
  97                 return;
  98
  99         /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
 100         __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
 101 }
 102
 103 static struct r8a66597_platdata usb_host_data = {
 104         .on_chip = 1,
 105         .port_power = usb_host_port_power,
 106 };
 107
 108 static struct resource usb_host_resources[] = {
 109         [0] = {
 110                 .name   = "USBHS",
 111                 .start  = 0xe6890000,
 112                 .end    = 0xe68900e5,
 113                 .flags  = IORESOURCE_MEM,
 114         },
 115         [1] = {
 116                 .start  = 65,
 117                 .flags  = IORESOURCE_IRQ,
 118         },
 119 };
 120
 121 static struct platform_device usb_host_device = {
 122         .name           = "r8a66597_hcd",
 123         .id             = 0,
 124         .dev = {
 125                 .platform_data          = &usb_host_data,
 126                 .dma_mask               = NULL,
 127                 .coherent_dma_mask      = 0xffffffff,
 128         },
 129         .num_resources  = ARRAY_SIZE(usb_host_resources),
 130         .resource       = usb_host_resources,
 131 };
 132
 133 /* KEYSC */
 134 static struct sh_keysc_info keysc_info = {
 135         .mode           = SH_KEYSC_MODE_5,
 136         .scan_timing    = 3,
 137         .delay          = 100,
 138         .keycodes = {
 139                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
 140                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
 141                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
 142                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
 143                 KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 144                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
 145         },
 146 };
 147
 148 static struct resource keysc_resources[] = {
 149         [0] = {
 150                 .name   = "KEYSC",
 151                 .start  = 0xe61b0000,
 152                 .end    = 0xe61b000f,
 153                 .flags  = IORESOURCE_MEM,
 154         },
 155         [1] = {
 156                 .start  = 79,
 157                 .flags  = IORESOURCE_IRQ,
 158         },
 159 };
 160
 161 static struct platform_device keysc_device = {
 162         .name           = "sh_keysc",
 163         .num_resources  = ARRAY_SIZE(keysc_resources),
 164         .resource       = keysc_resources,
 165         .dev    = {
 166                 .platform_data  = &keysc_info,
 167         },
 168 };
 169
 170 static struct mtd_partition nand_partition_info[] = {
 171         {
 172                 .name   = "system",
 173                 .offset = 0,
 174                 .size   = 64 * 1024 * 1024,
 175         },
 176         {
 177                 .name   = "userdata",
 178                 .offset = MTDPART_OFS_APPEND,
 179                 .size   = 128 * 1024 * 1024,
 180         },
 181         {
 182                 .name   = "cache",
 183                 .offset = MTDPART_OFS_APPEND,
 184                 .size   = 64 * 1024 * 1024,
 185         },
 186 };
 187
 188 static struct resource nand_flash_resources[] = {
 189         [0] = {
 190                 .start  = 0xe6a30000,
 191                 .end    = 0xe6a3009b,
 192                 .flags  = IORESOURCE_MEM,
 193         }
 194 };
 195
 196 static struct sh_flctl_platform_data nand_flash_data = {
 197         .parts          = nand_partition_info,
 198         .nr_parts       = ARRAY_SIZE(nand_partition_info),
 199         .flcmncr_val    = QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E
 200                         | SHBUSSEL | SEL_16BIT,
 201 };
 202
 203 static struct platform_device nand_flash_device = {
 204         .name           = "sh_flctl",
 205         .resource       = nand_flash_resources,
 206         .num_resources  = ARRAY_SIZE(nand_flash_resources),
 207         .dev            = {
 208                 .platform_data = &nand_flash_data,
 209         },
 210 };
 211
 212 static struct platform_device *g3evm_devices[] __initdata = {
 213         &nor_flash_device,
 214         &usb_host_device,
 215         &keysc_device,
 216         &nand_flash_device,
 217 };
 218
 219 static struct map_desc g3evm_io_desc[] __initdata = {
 220         /* create a 1:1 entity map for 0xe6xxxxxx
 221          * used by CPGA, INTC and PFC.
 222          */
 223         {
 224                 .virtual        = 0xe6000000,
 225                 .pfn            = __phys_to_pfn(0xe6000000),
 226                 .length         = 256 << 20,
 227                 .type           = MT_DEVICE_NONSHARED
 228         },
 229 };
 230
 231 static void __init g3evm_map_io(void)
 232 {
 233         iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc));
 234
 235         /* setup early devices, clocks and console here as well */
 236         sh7367_add_early_devices();
 237         sh7367_clock_init();
 238         shmobile_setup_console();
 239 }
 240
 241 static void __init g3evm_init(void)
 242 {
 243         sh7367_pinmux_init();
 244
 245         /* Lit DS4 LED */
 246         gpio_request(GPIO_PORT22, NULL);
 247         gpio_direction_output(GPIO_PORT22, 1);
 248         gpio_export(GPIO_PORT22, 0);
 249
 250         /* Lit DS8 LED */
 251         gpio_request(GPIO_PORT23, NULL);
 252         gpio_direction_output(GPIO_PORT23, 1);
 253         gpio_export(GPIO_PORT23, 0);
 254
 255         /* Lit DS3 LED */
 256         gpio_request(GPIO_PORT24, NULL);
 257         gpio_direction_output(GPIO_PORT24, 1);
 258         gpio_export(GPIO_PORT24, 0);
 259
 260         /* SCIFA1 */
 261         gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
 262         gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
 263         gpio_request(GPIO_FN_SCIFA1_CTS, NULL);
 264         gpio_request(GPIO_FN_SCIFA1_RTS, NULL);
 265
 266         /* USBHS */
 267         gpio_request(GPIO_FN_VBUS0, NULL);
 268         gpio_request(GPIO_FN_PWEN, NULL);
 269         gpio_request(GPIO_FN_OVCN, NULL);
 270         gpio_request(GPIO_FN_OVCN2, NULL);
 271         gpio_request(GPIO_FN_EXTLP, NULL);
 272         gpio_request(GPIO_FN_IDIN, NULL);
 273
 274         /* enable clock in SYMSTPCR2 */
 275         __raw_writel(__raw_readl(0xe6158048) & ~(1 << 22), 0xe6158048);
 276
 277         /* setup USB phy */
 278         __raw_writew(0x0300, 0xe605810a);       /* USBCR1 */
 279         __raw_writew(0x00e0, 0xe60581c0);       /* CPFCH */
 280         __raw_writew(0x6010, 0xe60581c6);       /* CGPOSR */
 281         __raw_writew(0x8a0a, 0xe605810c);       /* USBCR2 */
 282
 283         /* KEYSC @ CN7 */
 284         gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL);
 285         gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL);
 286         gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL);
 287         gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL);
 288         gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL);
 289         gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL);
 290         gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL);
 291         gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL);
 292         gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL);
 293         gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL);
 294         gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL);
 295         gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL);
 296         gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL);
 297
 298         /* FLCTL */
 299         gpio_request(GPIO_FN_FCE0, NULL);
 300         gpio_request(GPIO_FN_D0_ED0_NAF0, NULL);
 301         gpio_request(GPIO_FN_D1_ED1_NAF1, NULL);
 302         gpio_request(GPIO_FN_D2_ED2_NAF2, NULL);
 303         gpio_request(GPIO_FN_D3_ED3_NAF3, NULL);
 304         gpio_request(GPIO_FN_D4_ED4_NAF4, NULL);
 305         gpio_request(GPIO_FN_D5_ED5_NAF5, NULL);
 306         gpio_request(GPIO_FN_D6_ED6_NAF6, NULL);
 307         gpio_request(GPIO_FN_D7_ED7_NAF7, NULL);
 308         gpio_request(GPIO_FN_D8_ED8_NAF8, NULL);
 309         gpio_request(GPIO_FN_D9_ED9_NAF9, NULL);
 310         gpio_request(GPIO_FN_D10_ED10_NAF10, NULL);
 311         gpio_request(GPIO_FN_D11_ED11_NAF11, NULL);
 312         gpio_request(GPIO_FN_D12_ED12_NAF12, NULL);
 313         gpio_request(GPIO_FN_D13_ED13_NAF13, NULL);
 314         gpio_request(GPIO_FN_D14_ED14_NAF14, NULL);
 315         gpio_request(GPIO_FN_D15_ED15_NAF15, NULL);
 316         gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL);
 317         gpio_request(GPIO_FN_FRB, NULL);
 318         /* FOE, FCDE, FSC on dedicated pins */
 319         __raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048);
 320
 321         sh7367_add_standard_devices();
 322
 323         platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));
 324 }
 325
 326 MACHINE_START(G3EVM, "g3evm")
 327         .phys_io        = 0xe6000000,
 328         .io_pg_offst    = ((0xe6000000) >> 18) & 0xfffc,
 329         .map_io         = g3evm_map_io,
 330         .init_irq       = sh7367_init_irq,
 331         .init_machine   = g3evm_init,
 332         .timer          = &shmobile_timer,
 333 MACHINE_END