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 #include <asm/mach/time.h>
  41
  42 /*
  43  * IrDA
  44  *
  45  * S67: 5bit : ON  power
  46  *    : 6bit : ON  remote control
  47  *             OFF IrDA
  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_ro",
  63                 .offset         = MTDPART_OFS_APPEND,
  64                 .size           = 8 * 1024 * 1024,
  65                 .mask_flags     = MTD_WRITEABLE,
  66         },
  67         {
  68                 .name           = "kernel",
  69                 .offset         = MTDPART_OFS_APPEND,
  70                 .size           = 8 * 1024 * 1024,
  71         },
  72         {
  73                 .name           = "data",
  74                 .offset         = MTDPART_OFS_APPEND,
  75                 .size           = MTDPART_SIZ_FULL,
  76         },
  77 };
  78
  79 static struct physmap_flash_data nor_flash_data = {
  80         .width          = 2,
  81         .parts          = nor_flash_partitions,
  82         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  83 };
  84
  85 static struct resource nor_flash_resources[] = {
  86         [0]     = {
  87                 .start  = 0x00000000,
  88                 .end    = 0x08000000 - 1,
  89                 .flags  = IORESOURCE_MEM,
  90         }
  91 };
  92
  93 static struct platform_device nor_flash_device = {
  94         .name           = "physmap-flash",
  95         .dev            = {
  96                 .platform_data  = &nor_flash_data,
  97         },
  98         .num_resources  = ARRAY_SIZE(nor_flash_resources),
  99         .resource       = nor_flash_resources,
 100 };
 101
 102 /* USBHS */
 103 static void usb_host_port_power(int port, int power)
 104 {
 105         if (!power) /* only power-on supported for now */
 106                 return;
 107
 108         /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
 109         __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
 110 }
 111
 112 static struct r8a66597_platdata usb_host_data = {
 113         .on_chip = 1,
 114         .port_power = usb_host_port_power,
 115 };
 116
 117 static struct resource usb_host_resources[] = {
 118         [0] = {
 119                 .name   = "USBHS",
 120                 .start  = 0xe6890000,
 121                 .end    = 0xe68900e5,
 122                 .flags  = IORESOURCE_MEM,
 123         },
 124         [1] = {
 125                 .start  = evt2irq(0xa20), /* USBHS_USHI0 */
 126                 .flags  = IORESOURCE_IRQ,
 127         },
 128 };
 129
 130 static struct platform_device usb_host_device = {
 131         .name           = "r8a66597_hcd",
 132         .id             = 0,
 133         .dev = {
 134                 .platform_data          = &usb_host_data,
 135                 .dma_mask               = NULL,
 136                 .coherent_dma_mask      = 0xffffffff,
 137         },
 138         .num_resources  = ARRAY_SIZE(usb_host_resources),
 139         .resource       = usb_host_resources,
 140 };
 141
 142 /* KEYSC */
 143 static struct sh_keysc_info keysc_info = {
 144         .mode           = SH_KEYSC_MODE_5,
 145         .scan_timing    = 3,
 146         .delay          = 100,
 147         .keycodes = {
 148                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
 149                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
 150                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
 151                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
 152                 KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 153                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
 154         },
 155 };
 156
 157 static struct resource keysc_resources[] = {
 158         [0] = {
 159                 .name   = "KEYSC",
 160                 .start  = 0xe61b0000,
 161                 .end    = 0xe61b000f,
 162                 .flags  = IORESOURCE_MEM,
 163         },
 164         [1] = {
 165                 .start  = evt2irq(0xbe0), /* KEYSC_KEY */
 166                 .flags  = IORESOURCE_IRQ,
 167         },
 168 };
 169
 170 static struct platform_device keysc_device = {
 171         .name           = "sh_keysc",
 172         .num_resources  = ARRAY_SIZE(keysc_resources),
 173         .resource       = keysc_resources,
 174         .dev    = {
 175                 .platform_data  = &keysc_info,
 176         },
 177 };
 178
 179 static struct mtd_partition nand_partition_info[] = {
 180         {
 181                 .name   = "system",
 182                 .offset = 0,
 183                 .size   = 64 * 1024 * 1024,
 184         },
 185         {
 186                 .name   = "userdata",
 187                 .offset = MTDPART_OFS_APPEND,
 188                 .size   = 128 * 1024 * 1024,
 189         },
 190         {
 191                 .name   = "cache",
 192                 .offset = MTDPART_OFS_APPEND,
 193                 .size   = 64 * 1024 * 1024,
 194         },
 195 };
 196
 197 static struct resource nand_flash_resources[] = {
 198         [0] = {
 199                 .start  = 0xe6a30000,
 200                 .end    = 0xe6a3009b,
 201                 .flags  = IORESOURCE_MEM,
 202         }
 203 };
 204
 205 static struct sh_flctl_platform_data nand_flash_data = {
 206         .parts          = nand_partition_info,
 207         .nr_parts       = ARRAY_SIZE(nand_partition_info),
 208         .flcmncr_val    = QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E
 209                         | SHBUSSEL | SEL_16BIT,
 210 };
 211
 212 static struct platform_device nand_flash_device = {
 213         .name           = "sh_flctl",
 214         .resource       = nand_flash_resources,
 215         .num_resources  = ARRAY_SIZE(nand_flash_resources),
 216         .dev            = {
 217                 .platform_data = &nand_flash_data,
 218         },
 219 };
 220
 221 static struct resource irda_resources[] = {
 222         [0] = {
 223                 .start  = 0xE6D00000,
 224                 .end    = 0xE6D01FD4 - 1,
 225                 .flags  = IORESOURCE_MEM,
 226         },
 227         [1] = {
 228                 .start  = evt2irq(0x480), /* IRDA */
 229                 .flags  = IORESOURCE_IRQ,
 230         },
 231 };
 232
 233 static struct platform_device irda_device = {
 234         .name           = "sh_irda",
 235         .id             = -1,
 236         .resource       = irda_resources,
 237         .num_resources  = ARRAY_SIZE(irda_resources),
 238 };
 239
 240 static struct platform_device *g3evm_devices[] __initdata = {
 241         &nor_flash_device,
 242         &usb_host_device,
 243         &keysc_device,
 244         &nand_flash_device,
 245         &irda_device,
 246 };
 247
 248 static struct map_desc g3evm_io_desc[] __initdata = {
 249         /* create a 1:1 entity map for 0xe6xxxxxx
 250          * used by CPGA, INTC and PFC.
 251          */
 252         {
 253                 .virtual        = 0xe6000000,
 254                 .pfn            = __phys_to_pfn(0xe6000000),
 255                 .length         = 256 << 20,
 256                 .type           = MT_DEVICE_NONSHARED
 257         },
 258 };
 259
 260 static void __init g3evm_map_io(void)
 261 {
 262         iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc));
 263
 264         /* setup early devices and console here as well */
 265         sh7367_add_early_devices();
 266         shmobile_setup_console();
 267 }
 268
 269 static void __init g3evm_init(void)
 270 {
 271         sh7367_pinmux_init();
 272
 273         /* Lit DS4 LED */
 274         gpio_request(GPIO_PORT22, NULL);
 275         gpio_direction_output(GPIO_PORT22, 1);
 276         gpio_export(GPIO_PORT22, 0);
 277
 278         /* Lit DS8 LED */
 279         gpio_request(GPIO_PORT23, NULL);
 280         gpio_direction_output(GPIO_PORT23, 1);
 281         gpio_export(GPIO_PORT23, 0);
 282
 283         /* Lit DS3 LED */
 284         gpio_request(GPIO_PORT24, NULL);
 285         gpio_direction_output(GPIO_PORT24, 1);
 286         gpio_export(GPIO_PORT24, 0);
 287
 288         /* SCIFA1 */
 289         gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
 290         gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
 291         gpio_request(GPIO_FN_SCIFA1_CTS, NULL);
 292         gpio_request(GPIO_FN_SCIFA1_RTS, NULL);
 293
 294         /* USBHS */
 295         gpio_request(GPIO_FN_VBUS0, NULL);
 296         gpio_request(GPIO_FN_PWEN, NULL);
 297         gpio_request(GPIO_FN_OVCN, NULL);
 298         gpio_request(GPIO_FN_OVCN2, NULL);
 299         gpio_request(GPIO_FN_EXTLP, NULL);
 300         gpio_request(GPIO_FN_IDIN, NULL);
 301
 302         /* setup USB phy */
 303         __raw_writew(0x0300, 0xe605810a);       /* USBCR1 */
 304         __raw_writew(0x00e0, 0xe60581c0);       /* CPFCH */
 305         __raw_writew(0x6010, 0xe60581c6);       /* CGPOSR */
 306         __raw_writew(0x8a0a, 0xe605810c);       /* USBCR2 */
 307
 308         /* KEYSC @ CN7 */
 309         gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL);
 310         gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL);
 311         gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL);
 312         gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL);
 313         gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL);
 314         gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL);
 315         gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL);
 316         gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL);
 317         gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL);
 318         gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL);
 319         gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL);
 320         gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL);
 321         gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL);
 322
 323         /* FLCTL */
 324         gpio_request(GPIO_FN_FCE0, NULL);
 325         gpio_request(GPIO_FN_D0_ED0_NAF0, NULL);
 326         gpio_request(GPIO_FN_D1_ED1_NAF1, NULL);
 327         gpio_request(GPIO_FN_D2_ED2_NAF2, NULL);
 328         gpio_request(GPIO_FN_D3_ED3_NAF3, NULL);
 329         gpio_request(GPIO_FN_D4_ED4_NAF4, NULL);
 330         gpio_request(GPIO_FN_D5_ED5_NAF5, NULL);
 331         gpio_request(GPIO_FN_D6_ED6_NAF6, NULL);
 332         gpio_request(GPIO_FN_D7_ED7_NAF7, NULL);
 333         gpio_request(GPIO_FN_D8_ED8_NAF8, NULL);
 334         gpio_request(GPIO_FN_D9_ED9_NAF9, NULL);
 335         gpio_request(GPIO_FN_D10_ED10_NAF10, NULL);
 336         gpio_request(GPIO_FN_D11_ED11_NAF11, NULL);
 337         gpio_request(GPIO_FN_D12_ED12_NAF12, NULL);
 338         gpio_request(GPIO_FN_D13_ED13_NAF13, NULL);
 339         gpio_request(GPIO_FN_D14_ED14_NAF14, NULL);
 340         gpio_request(GPIO_FN_D15_ED15_NAF15, NULL);
 341         gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL);
 342         gpio_request(GPIO_FN_FRB, NULL);
 343         /* FOE, FCDE, FSC on dedicated pins */
 344         __raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048);
 345
 346         /* IrDA */
 347         gpio_request(GPIO_FN_IRDA_OUT, NULL);
 348         gpio_request(GPIO_FN_IRDA_IN, NULL);
 349         gpio_request(GPIO_FN_IRDA_FIRSEL, NULL);
 350
 351         sh7367_add_standard_devices();
 352
 353         platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));
 354 }
 355
 356 static void __init g3evm_timer_init(void)
 357 {
 358         sh7367_clock_init();
 359         shmobile_timer.init();
 360 }
 361
 362 static struct sys_timer g3evm_timer = {
 363         .init           = g3evm_timer_init,
 364 };
 365
 366 MACHINE_START(G3EVM, "g3evm")
 367         .map_io         = g3evm_map_io,
 368         .init_irq       = sh7367_init_irq,
 369         .handle_irq     = shmobile_handle_irq_intc,
 370         .init_machine   = g3evm_init,
 371         .timer          = &g3evm_timer,
 372 MACHINE_END