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 <linux/dma-mapping.h>
  36 #include <mach/sh7367.h>
  37 #include <mach/common.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/time.h>
  42
  43 /*
  44  * IrDA
  45  *
  46  * S67: 5bit : ON  power
  47  *    : 6bit : ON  remote control
  48  *             OFF IrDA
  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_ro",
  64                 .offset         = MTDPART_OFS_APPEND,
  65                 .size           = 8 * 1024 * 1024,
  66                 .mask_flags     = MTD_WRITEABLE,
  67         },
  68         {
  69                 .name           = "kernel",
  70                 .offset         = MTDPART_OFS_APPEND,
  71                 .size           = 8 * 1024 * 1024,
  72         },
  73         {
  74                 .name           = "data",
  75                 .offset         = MTDPART_OFS_APPEND,
  76                 .size           = MTDPART_SIZ_FULL,
  77         },
  78 };
  79
  80 static struct physmap_flash_data nor_flash_data = {
  81         .width          = 2,
  82         .parts          = nor_flash_partitions,
  83         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  84 };
  85
  86 static struct resource nor_flash_resources[] = {
  87         [0]     = {
  88                 .start  = 0x00000000,
  89                 .end    = 0x08000000 - 1,
  90                 .flags  = IORESOURCE_MEM,
  91         }
  92 };
  93
  94 static struct platform_device nor_flash_device = {
  95         .name           = "physmap-flash",
  96         .dev            = {
  97                 .platform_data  = &nor_flash_data,
  98         },
  99         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 100         .resource       = nor_flash_resources,
 101 };
 102
 103 /* USBHS */
 104 static void usb_host_port_power(int port, int power)
 105 {
 106         if (!power) /* only power-on supported for now */
 107                 return;
 108
 109         /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
 110         __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
 111 }
 112
 113 static struct r8a66597_platdata usb_host_data = {
 114         .on_chip = 1,
 115         .port_power = usb_host_port_power,
 116 };
 117
 118 static struct resource usb_host_resources[] = {
 119         [0] = {
 120                 .name   = "USBHS",
 121                 .start  = 0xe6890000,
 122                 .end    = 0xe68900e5,
 123                 .flags  = IORESOURCE_MEM,
 124         },
 125         [1] = {
 126                 .start  = evt2irq(0xa20), /* USBHS_USHI0 */
 127                 .flags  = IORESOURCE_IRQ,
 128         },
 129 };
 130
 131 static struct platform_device usb_host_device = {
 132         .name           = "r8a66597_hcd",
 133         .id             = 0,
 134         .dev = {
 135                 .platform_data          = &usb_host_data,
 136                 .dma_mask               = NULL,
 137                 .coherent_dma_mask      = 0xffffffff,
 138         },
 139         .num_resources  = ARRAY_SIZE(usb_host_resources),
 140         .resource       = usb_host_resources,
 141 };
 142
 143 /* KEYSC */
 144 static struct sh_keysc_info keysc_info = {
 145         .mode           = SH_KEYSC_MODE_5,
 146         .scan_timing    = 3,
 147         .delay          = 100,
 148         .keycodes = {
 149                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
 150                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
 151                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
 152                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
 153                 KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 154                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
 155         },
 156 };
 157
 158 static struct resource keysc_resources[] = {
 159         [0] = {
 160                 .name   = "KEYSC",
 161                 .start  = 0xe61b0000,
 162                 .end    = 0xe61b000f,
 163                 .flags  = IORESOURCE_MEM,
 164         },
 165         [1] = {
 166                 .start  = evt2irq(0xbe0), /* KEYSC_KEY */
 167                 .flags  = IORESOURCE_IRQ,
 168         },
 169 };
 170
 171 static struct platform_device keysc_device = {
 172         .name           = "sh_keysc",
 173         .num_resources  = ARRAY_SIZE(keysc_resources),
 174         .resource       = keysc_resources,
 175         .dev    = {
 176                 .platform_data  = &keysc_info,
 177         },
 178 };
 179
 180 static struct mtd_partition nand_partition_info[] = {
 181         {
 182                 .name   = "system",
 183                 .offset = 0,
 184                 .size   = 64 * 1024 * 1024,
 185         },
 186         {
 187                 .name   = "userdata",
 188                 .offset = MTDPART_OFS_APPEND,
 189                 .size   = 128 * 1024 * 1024,
 190         },
 191         {
 192                 .name   = "cache",
 193                 .offset = MTDPART_OFS_APPEND,
 194                 .size   = 64 * 1024 * 1024,
 195         },
 196 };
 197
 198 static struct resource nand_flash_resources[] = {
 199         [0] = {
 200                 .start  = 0xe6a30000,
 201                 .end    = 0xe6a3009b,
 202                 .flags  = IORESOURCE_MEM,
 203         }
 204 };
 205
 206 static struct sh_flctl_platform_data nand_flash_data = {
 207         .parts          = nand_partition_info,
 208         .nr_parts       = ARRAY_SIZE(nand_partition_info),
 209         .flcmncr_val    = QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E
 210                         | SHBUSSEL | SEL_16BIT,
 211 };
 212
 213 static struct platform_device nand_flash_device = {
 214         .name           = "sh_flctl",
 215         .resource       = nand_flash_resources,
 216         .num_resources  = ARRAY_SIZE(nand_flash_resources),
 217         .dev            = {
 218                 .platform_data = &nand_flash_data,
 219         },
 220 };
 221
 222 static struct resource irda_resources[] = {
 223         [0] = {
 224                 .start  = 0xE6D00000,
 225                 .end    = 0xE6D01FD4 - 1,
 226                 .flags  = IORESOURCE_MEM,
 227         },
 228         [1] = {
 229                 .start  = evt2irq(0x480), /* IRDA */
 230                 .flags  = IORESOURCE_IRQ,
 231         },
 232 };
 233
 234 static struct platform_device irda_device = {
 235         .name           = "sh_irda",
 236         .id             = -1,
 237         .resource       = irda_resources,
 238         .num_resources  = ARRAY_SIZE(irda_resources),
 239 };
 240
 241 static struct platform_device *g3evm_devices[] __initdata = {
 242         &nor_flash_device,
 243         &usb_host_device,
 244         &keysc_device,
 245         &nand_flash_device,
 246         &irda_device,
 247 };
 248
 249 static struct map_desc g3evm_io_desc[] __initdata = {
 250         /* create a 1:1 entity map for 0xe6xxxxxx
 251          * used by CPGA, INTC and PFC.
 252          */
 253         {
 254                 .virtual        = 0xe6000000,
 255                 .pfn            = __phys_to_pfn(0xe6000000),
 256                 .length         = 256 << 20,
 257                 .type           = MT_DEVICE_NONSHARED
 258         },
 259 };
 260
 261 static void __init g3evm_map_io(void)
 262 {
 263         iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc));
 264         /* DMA memory at 0xf6000000 - 0xffdfffff */
 265         init_consistent_dma_size(158 << 20);
 266
 267         /* setup early devices and console here as well */
 268         sh7367_add_early_devices();
 269         shmobile_setup_console();
 270 }
 271
 272 static void __init g3evm_init(void)
 273 {
 274         sh7367_pinmux_init();
 275
 276         /* Lit DS4 LED */
 277         gpio_request(GPIO_PORT22, NULL);
 278         gpio_direction_output(GPIO_PORT22, 1);
 279         gpio_export(GPIO_PORT22, 0);
 280
 281         /* Lit DS8 LED */
 282         gpio_request(GPIO_PORT23, NULL);
 283         gpio_direction_output(GPIO_PORT23, 1);
 284         gpio_export(GPIO_PORT23, 0);
 285
 286         /* Lit DS3 LED */
 287         gpio_request(GPIO_PORT24, NULL);
 288         gpio_direction_output(GPIO_PORT24, 1);
 289         gpio_export(GPIO_PORT24, 0);
 290
 291         /* SCIFA1 */
 292         gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
 293         gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
 294         gpio_request(GPIO_FN_SCIFA1_CTS, NULL);
 295         gpio_request(GPIO_FN_SCIFA1_RTS, NULL);
 296
 297         /* USBHS */
 298         gpio_request(GPIO_FN_VBUS0, NULL);
 299         gpio_request(GPIO_FN_PWEN, NULL);
 300         gpio_request(GPIO_FN_OVCN, NULL);
 301         gpio_request(GPIO_FN_OVCN2, NULL);
 302         gpio_request(GPIO_FN_EXTLP, NULL);
 303         gpio_request(GPIO_FN_IDIN, NULL);
 304
 305         /* setup USB phy */
 306         __raw_writew(0x0300, 0xe605810a);       /* USBCR1 */
 307         __raw_writew(0x00e0, 0xe60581c0);       /* CPFCH */
 308         __raw_writew(0x6010, 0xe60581c6);       /* CGPOSR */
 309         __raw_writew(0x8a0a, 0xe605810c);       /* USBCR2 */
 310
 311         /* KEYSC @ CN7 */
 312         gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL);
 313         gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL);
 314         gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL);
 315         gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL);
 316         gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL);
 317         gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL);
 318         gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL);
 319         gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL);
 320         gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL);
 321         gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL);
 322         gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL);
 323         gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL);
 324         gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL);
 325
 326         /* FLCTL */
 327         gpio_request(GPIO_FN_FCE0, NULL);
 328         gpio_request(GPIO_FN_D0_ED0_NAF0, NULL);
 329         gpio_request(GPIO_FN_D1_ED1_NAF1, NULL);
 330         gpio_request(GPIO_FN_D2_ED2_NAF2, NULL);
 331         gpio_request(GPIO_FN_D3_ED3_NAF3, NULL);
 332         gpio_request(GPIO_FN_D4_ED4_NAF4, NULL);
 333         gpio_request(GPIO_FN_D5_ED5_NAF5, NULL);
 334         gpio_request(GPIO_FN_D6_ED6_NAF6, NULL);
 335         gpio_request(GPIO_FN_D7_ED7_NAF7, NULL);
 336         gpio_request(GPIO_FN_D8_ED8_NAF8, NULL);
 337         gpio_request(GPIO_FN_D9_ED9_NAF9, NULL);
 338         gpio_request(GPIO_FN_D10_ED10_NAF10, NULL);
 339         gpio_request(GPIO_FN_D11_ED11_NAF11, NULL);
 340         gpio_request(GPIO_FN_D12_ED12_NAF12, NULL);
 341         gpio_request(GPIO_FN_D13_ED13_NAF13, NULL);
 342         gpio_request(GPIO_FN_D14_ED14_NAF14, NULL);
 343         gpio_request(GPIO_FN_D15_ED15_NAF15, NULL);
 344         gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL);
 345         gpio_request(GPIO_FN_FRB, NULL);
 346         /* FOE, FCDE, FSC on dedicated pins */
 347         __raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048);
 348
 349         /* IrDA */
 350         gpio_request(GPIO_FN_IRDA_OUT, NULL);
 351         gpio_request(GPIO_FN_IRDA_IN, NULL);
 352         gpio_request(GPIO_FN_IRDA_FIRSEL, NULL);
 353
 354         sh7367_add_standard_devices();
 355
 356         platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));
 357 }
 358
 359 static void __init g3evm_timer_init(void)
 360 {
 361         sh7367_clock_init();
 362         shmobile_timer.init();
 363 }
 364
 365 static struct sys_timer g3evm_timer = {
 366         .init           = g3evm_timer_init,
 367 };
 368
 369 MACHINE_START(G3EVM, "g3evm")
 370         .map_io         = g3evm_map_io,
 371         .init_irq       = sh7367_init_irq,
 372         .handle_irq     = shmobile_handle_irq_intc,
 373         .init_machine   = g3evm_init,
 374         .timer          = &g3evm_timer,
 375 MACHINE_END