1/* 2 * G4EVM 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/usb/r8a66597.h> 30#include <linux/io.h> 31#include <linux/input.h> 32#include <linux/input/sh_keysc.h> 33#include <linux/mfd/sh_mobile_sdhi.h> 34#include <linux/gpio.h> 35#include <mach/sh7377.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 * SDHI 44 * 45 * SDHI0 : card detection is possible 46 * SDHI1 : card detection is impossible 47 * 48 * [G4-MAIN-BOARD] 49 * JP74 : short # DBG_2V8A for SDHI0 50 * JP75 : NC # DBG_3V3A for SDHI0 51 * JP76 : NC # DBG_3V3A_SD for SDHI0 52 * JP77 : NC # 3V3A_SDIO for SDHI1 53 * JP78 : short # DBG_2V8A for SDHI1 54 * JP79 : NC # DBG_3V3A for SDHI1 55 * JP80 : NC # DBG_3V3A_SD for SDHI1 56 * 57 * [G4-CORE-BOARD] 58 * S32 : all off # to dissever from G3-CORE_DBG board 59 * S33 : all off # to dissever from G3-CORE_DBG board 60 * 61 * [G3-CORE_DBG-BOARD] 62 * S1 : all off # to dissever from G3-CORE_DBG board 63 * S3 : all off # to dissever from G3-CORE_DBG board 64 * S4 : all off # to dissever from G3-CORE_DBG board 65 */ 66 67static struct mtd_partition nor_flash_partitions[] = { 68 { 69 .name = "loader", 70 .offset = 0x00000000, 71 .size = 512 * 1024, 72 }, 73 { 74 .name = "bootenv", 75 .offset = MTDPART_OFS_APPEND, 76 .size = 512 * 1024, 77 }, 78 { 79 .name = "kernel_ro", 80 .offset = MTDPART_OFS_APPEND, 81 .size = 8 * 1024 * 1024, 82 .mask_flags = MTD_WRITEABLE, 83 }, 84 { 85 .name = "kernel", 86 .offset = MTDPART_OFS_APPEND, 87 .size = 8 * 1024 * 1024, 88 }, 89 { 90 .name = "data", 91 .offset = MTDPART_OFS_APPEND, 92 .size = MTDPART_SIZ_FULL, 93 }, 94}; 95 96static struct physmap_flash_data nor_flash_data = { 97 .width = 2, 98 .parts = nor_flash_partitions, 99 .nr_parts = ARRAY_SIZE(nor_flash_partitions), 100}; 101 102static struct resource nor_flash_resources[] = { 103 [0] = { 104 .start = 0x00000000, 105 .end = 0x08000000 - 1, 106 .flags = IORESOURCE_MEM, 107 } 108}; 109 110static struct platform_device nor_flash_device = { 111 .name = "physmap-flash", 112 .dev = { 113 .platform_data = &nor_flash_data, 114 }, 115 .num_resources = ARRAY_SIZE(nor_flash_resources), 116 .resource = nor_flash_resources, 117}; 118 119/* USBHS */ 120static void usb_host_port_power(int port, int power) 121{ 122 if (!power) /* only power-on supported for now */ 123 return; 124 125 /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ 126 __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); 127} 128 129static struct r8a66597_platdata usb_host_data = { 130 .on_chip = 1, 131 .port_power = usb_host_port_power, 132}; 133 134static struct resource usb_host_resources[] = { 135 [0] = { 136 .name = "USBHS", 137 .start = 0xe6890000, 138 .end = 0xe68900e5, 139 .flags = IORESOURCE_MEM, 140 }, 141 [1] = { 142 .start = evt2irq(0x0a20), /* USBHS_USHI0 */ 143 .flags = IORESOURCE_IRQ, 144 }, 145}; 146 147static struct platform_device usb_host_device = { 148 .name = "r8a66597_hcd", 149 .id = 0, 150 .dev = { 151 .platform_data = &usb_host_data, 152 .dma_mask = NULL, 153 .coherent_dma_mask = 0xffffffff, 154 }, 155 .num_resources = ARRAY_SIZE(usb_host_resources), 156 .resource = usb_host_resources, 157}; 158 159/* KEYSC */ 160static struct sh_keysc_info keysc_info = { 161 .mode = SH_KEYSC_MODE_5, 162 .scan_timing = 3, 163 .delay = 100, 164 .keycodes = { 165 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, 166 KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, 167 KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R, 168 KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X, 169 KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, 170 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, 171 KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, 172 }, 173}; 174 175static struct resource keysc_resources[] = { 176 [0] = { 177 .name = "KEYSC", 178 .start = 0xe61b0000, 179 .end = 0xe61b000f, 180 .flags = IORESOURCE_MEM, 181 }, 182 [1] = { 183 .start = evt2irq(0x0be0), /* KEYSC_KEY */ 184 .flags = IORESOURCE_IRQ, 185 }, 186}; 187 188static struct platform_device keysc_device = { 189 .name = "sh_keysc", 190 .id = 0, /* keysc0 clock */ 191 .num_resources = ARRAY_SIZE(keysc_resources), 192 .resource = keysc_resources, 193 .dev = { 194 .platform_data = &keysc_info, 195 }, 196}; 197 198/* SDHI */ 199static struct resource sdhi0_resources[] = { 200 [0] = { 201 .name = "SDHI0", 202 .start = 0xe6d50000, 203 .end = 0xe6d501ff, 204 .flags = IORESOURCE_MEM, 205 }, 206 [1] = { 207 .start = evt2irq(0x0e00), /* SDHI0 */ 208 .flags = IORESOURCE_IRQ, 209 }, 210}; 211 212static struct platform_device sdhi0_device = { 213 .name = "sh_mobile_sdhi", 214 .num_resources = ARRAY_SIZE(sdhi0_resources), 215 .resource = sdhi0_resources, 216 .id = 0, 217}; 218 219static struct resource sdhi1_resources[] = { 220 [0] = { 221 .name = "SDHI1", 222 .start = 0xe6d60000, 223 .end = 0xe6d601ff, 224 .flags = IORESOURCE_MEM, 225 }, 226 [1] = { 227 .start = evt2irq(0x0e80), /* SDHI1 */ 228 .flags = IORESOURCE_IRQ, 229 }, 230}; 231 232static struct platform_device sdhi1_device = { 233 .name = "sh_mobile_sdhi", 234 .num_resources = ARRAY_SIZE(sdhi1_resources), 235 .resource = sdhi1_resources, 236 .id = 1, 237}; 238 239static struct platform_device *g4evm_devices[] __initdata = { 240 &nor_flash_device, 241 &usb_host_device, 242 &keysc_device, 243 &sdhi0_device, 244 &sdhi1_device, 245}; 246 247static struct map_desc g4evm_io_desc[] __initdata = { 248 /* create a 1:1 entity map for 0xe6xxxxxx 249 * used by CPGA, INTC and PFC. 250 */ 251 { 252 .virtual = 0xe6000000, 253 .pfn = __phys_to_pfn(0xe6000000), 254 .length = 256 << 20, 255 .type = MT_DEVICE_NONSHARED 256 }, 257}; 258 259static void __init g4evm_map_io(void) 260{ 261 iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); 262 263 /* setup early devices and console here as well */ 264 sh7377_add_early_devices(); 265 shmobile_setup_console(); 266} 267 268#define GPIO_SDHID0_D0 0xe60520fc 269#define GPIO_SDHID0_D1 0xe60520fd 270#define GPIO_SDHID0_D2 0xe60520fe 271#define GPIO_SDHID0_D3 0xe60520ff 272#define GPIO_SDHICMD0 0xe6052100 273 274#define GPIO_SDHID1_D0 0xe6052103 275#define GPIO_SDHID1_D1 0xe6052104 276#define GPIO_SDHID1_D2 0xe6052105 277#define GPIO_SDHID1_D3 0xe6052106 278#define GPIO_SDHICMD1 0xe6052107 279 280static void __init gpio_pull_up(u32 addr) 281{ 282 u8 data = __raw_readb(addr); 283 284 data &= 0x0F; 285 data |= 0xC0; 286 __raw_writeb(data, addr); 287} 288 289static void __init g4evm_init(void) 290{ 291 sh7377_pinmux_init(); 292 293 /* Lit DS14 LED */ 294 gpio_request(GPIO_PORT109, NULL); 295 gpio_direction_output(GPIO_PORT109, 1); 296 gpio_export(GPIO_PORT109, 1); 297 298 /* Lit DS15 LED */ 299 gpio_request(GPIO_PORT110, NULL); 300 gpio_direction_output(GPIO_PORT110, 1); 301 gpio_export(GPIO_PORT110, 1); 302 303 /* Lit DS16 LED */ 304 gpio_request(GPIO_PORT112, NULL); 305 gpio_direction_output(GPIO_PORT112, 1); 306 gpio_export(GPIO_PORT112, 1); 307 308 /* Lit DS17 LED */ 309 gpio_request(GPIO_PORT113, NULL); 310 gpio_direction_output(GPIO_PORT113, 1); 311 gpio_export(GPIO_PORT113, 1); 312 313 /* USBHS */ 314 gpio_request(GPIO_FN_VBUS_0, NULL); 315 gpio_request(GPIO_FN_PWEN, NULL); 316 gpio_request(GPIO_FN_OVCN, NULL); 317 gpio_request(GPIO_FN_OVCN2, NULL); 318 gpio_request(GPIO_FN_EXTLP, NULL); 319 gpio_request(GPIO_FN_IDIN, NULL); 320 321 /* setup USB phy */ 322 __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ 323 __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ 324 __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ 325 __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ 326 327 /* KEYSC @ CN31 */ 328 gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL); 329 gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL); 330 gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL); 331 gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL); 332 gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL); 333 gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL); 334 gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL); 335 gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL); 336 gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL); 337 gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL); 338 gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL); 339 gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL); 340 gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL); 341 342 /* SDHI0 */ 343 gpio_request(GPIO_FN_SDHICLK0, NULL); 344 gpio_request(GPIO_FN_SDHICD0, NULL); 345 gpio_request(GPIO_FN_SDHID0_0, NULL); 346 gpio_request(GPIO_FN_SDHID0_1, NULL); 347 gpio_request(GPIO_FN_SDHID0_2, NULL); 348 gpio_request(GPIO_FN_SDHID0_3, NULL); 349 gpio_request(GPIO_FN_SDHICMD0, NULL); 350 gpio_request(GPIO_FN_SDHIWP0, NULL); 351 gpio_pull_up(GPIO_SDHID0_D0); 352 gpio_pull_up(GPIO_SDHID0_D1); 353 gpio_pull_up(GPIO_SDHID0_D2); 354 gpio_pull_up(GPIO_SDHID0_D3); 355 gpio_pull_up(GPIO_SDHICMD0); 356 357 /* SDHI1 */ 358 gpio_request(GPIO_FN_SDHICLK1, NULL); 359 gpio_request(GPIO_FN_SDHID1_0, NULL); 360 gpio_request(GPIO_FN_SDHID1_1, NULL); 361 gpio_request(GPIO_FN_SDHID1_2, NULL); 362 gpio_request(GPIO_FN_SDHID1_3, NULL); 363 gpio_request(GPIO_FN_SDHICMD1, NULL); 364 gpio_pull_up(GPIO_SDHID1_D0); 365 gpio_pull_up(GPIO_SDHID1_D1); 366 gpio_pull_up(GPIO_SDHID1_D2); 367 gpio_pull_up(GPIO_SDHID1_D3); 368 gpio_pull_up(GPIO_SDHICMD1); 369 370 sh7377_add_standard_devices(); 371 372 platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); 373} 374 375static void __init g4evm_timer_init(void) 376{ 377 sh7377_clock_init(); 378 shmobile_timer.init(); 379} 380 381static struct sys_timer g4evm_timer = { 382 .init = g4evm_timer_init, 383}; 384 385MACHINE_START(G4EVM, "g4evm") 386 .phys_io = 0xe6000000, 387 .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, 388 .map_io = g4evm_map_io, 389 .init_irq = sh7377_init_irq, 390 .init_machine = g4evm_init, 391 .timer = &g4evm_timer, 392MACHINE_END 393