Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 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> |
NISHIMOTO Hiroki | aa18ef6 | 2010-02-12 08:11:18 +0000 | [diff] [blame] | 29 | #include <linux/usb/r8a66597.h> |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 30 | #include <linux/io.h> |
NISHIMOTO Hiroki | 6676a170 | 2010-02-23 10:55:10 +0000 | [diff] [blame] | 31 | #include <linux/input.h> |
| 32 | #include <linux/input/sh_keysc.h> |
NISHIMOTO Hiroki | 276b4f6 | 2010-02-12 08:10:06 +0000 | [diff] [blame] | 33 | #include <linux/gpio.h> |
| 34 | #include <mach/sh7377.h> |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 35 | #include <mach/common.h> |
| 36 | #include <asm/mach-types.h> |
| 37 | #include <asm/mach/arch.h> |
| 38 | #include <asm/mach/map.h> |
| 39 | |
| 40 | static struct mtd_partition nor_flash_partitions[] = { |
| 41 | { |
| 42 | .name = "loader", |
| 43 | .offset = 0x00000000, |
| 44 | .size = 512 * 1024, |
| 45 | }, |
| 46 | { |
| 47 | .name = "bootenv", |
| 48 | .offset = MTDPART_OFS_APPEND, |
| 49 | .size = 512 * 1024, |
| 50 | }, |
| 51 | { |
| 52 | .name = "kernel_ro", |
| 53 | .offset = MTDPART_OFS_APPEND, |
| 54 | .size = 8 * 1024 * 1024, |
| 55 | .mask_flags = MTD_WRITEABLE, |
| 56 | }, |
| 57 | { |
| 58 | .name = "kernel", |
| 59 | .offset = MTDPART_OFS_APPEND, |
| 60 | .size = 8 * 1024 * 1024, |
| 61 | }, |
| 62 | { |
| 63 | .name = "data", |
| 64 | .offset = MTDPART_OFS_APPEND, |
| 65 | .size = MTDPART_SIZ_FULL, |
| 66 | }, |
| 67 | }; |
| 68 | |
| 69 | static struct physmap_flash_data nor_flash_data = { |
| 70 | .width = 2, |
| 71 | .parts = nor_flash_partitions, |
| 72 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), |
| 73 | }; |
| 74 | |
| 75 | static struct resource nor_flash_resources[] = { |
| 76 | [0] = { |
| 77 | .start = 0x00000000, |
| 78 | .end = 0x08000000 - 1, |
| 79 | .flags = IORESOURCE_MEM, |
| 80 | } |
| 81 | }; |
| 82 | |
| 83 | static struct platform_device nor_flash_device = { |
| 84 | .name = "physmap-flash", |
| 85 | .dev = { |
| 86 | .platform_data = &nor_flash_data, |
| 87 | }, |
| 88 | .num_resources = ARRAY_SIZE(nor_flash_resources), |
| 89 | .resource = nor_flash_resources, |
| 90 | }; |
| 91 | |
NISHIMOTO Hiroki | aa18ef6 | 2010-02-12 08:11:18 +0000 | [diff] [blame] | 92 | /* USBHS */ |
| 93 | void usb_host_port_power(int port, int power) |
| 94 | { |
| 95 | if (!power) /* only power-on supported for now */ |
| 96 | return; |
| 97 | |
| 98 | /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ |
| 99 | __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); |
| 100 | } |
| 101 | |
| 102 | static struct r8a66597_platdata usb_host_data = { |
| 103 | .on_chip = 1, |
| 104 | .port_power = usb_host_port_power, |
| 105 | }; |
| 106 | |
| 107 | static struct resource usb_host_resources[] = { |
| 108 | [0] = { |
| 109 | .name = "USBHS", |
| 110 | .start = 0xe6890000, |
| 111 | .end = 0xe68900e5, |
| 112 | .flags = IORESOURCE_MEM, |
| 113 | }, |
| 114 | [1] = { |
| 115 | .start = 65, |
| 116 | .end = 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 | }; |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 132 | |
NISHIMOTO Hiroki | 6676a170 | 2010-02-23 10:55:10 +0000 | [diff] [blame] | 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, |
| 140 | KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, |
| 141 | KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R, |
| 142 | KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X, |
| 143 | KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, |
| 144 | KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, |
| 145 | KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, |
| 146 | }, |
| 147 | }; |
| 148 | |
| 149 | static struct resource keysc_resources[] = { |
| 150 | [0] = { |
| 151 | .name = "KEYSC", |
| 152 | .start = 0xe61b0000, |
| 153 | .end = 0xe61b000f, |
| 154 | .flags = IORESOURCE_MEM, |
| 155 | }, |
| 156 | [1] = { |
| 157 | .start = 79, |
| 158 | .flags = IORESOURCE_IRQ, |
| 159 | }, |
| 160 | }; |
| 161 | |
| 162 | static struct platform_device keysc_device = { |
| 163 | .name = "sh_keysc", |
| 164 | .id = 0, /* keysc0 clock */ |
| 165 | .num_resources = ARRAY_SIZE(keysc_resources), |
| 166 | .resource = keysc_resources, |
| 167 | .dev = { |
| 168 | .platform_data = &keysc_info, |
| 169 | }, |
| 170 | }; |
| 171 | |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 172 | static struct platform_device *g4evm_devices[] __initdata = { |
| 173 | &nor_flash_device, |
NISHIMOTO Hiroki | aa18ef6 | 2010-02-12 08:11:18 +0000 | [diff] [blame] | 174 | &usb_host_device, |
NISHIMOTO Hiroki | 6676a170 | 2010-02-23 10:55:10 +0000 | [diff] [blame] | 175 | &keysc_device, |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 176 | }; |
| 177 | |
| 178 | static struct map_desc g4evm_io_desc[] __initdata = { |
| 179 | /* create a 1:1 entity map for 0xe6xxxxxx |
| 180 | * used by CPGA, INTC and PFC. |
| 181 | */ |
| 182 | { |
| 183 | .virtual = 0xe6000000, |
| 184 | .pfn = __phys_to_pfn(0xe6000000), |
| 185 | .length = 256 << 20, |
| 186 | .type = MT_DEVICE_NONSHARED |
| 187 | }, |
| 188 | }; |
| 189 | |
| 190 | static void __init g4evm_map_io(void) |
| 191 | { |
| 192 | iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); |
| 193 | |
Magnus Damm | 4ae04ac | 2010-02-08 11:02:54 +0000 | [diff] [blame] | 194 | /* setup early devices, clocks and console here as well */ |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 195 | sh7377_add_early_devices(); |
| 196 | sh7367_clock_init(); /* use g3 clocks for now */ |
Magnus Damm | 4ae04ac | 2010-02-08 11:02:54 +0000 | [diff] [blame] | 197 | shmobile_setup_console(); |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | static void __init g4evm_init(void) |
| 201 | { |
NISHIMOTO Hiroki | 276b4f6 | 2010-02-12 08:10:06 +0000 | [diff] [blame] | 202 | sh7377_pinmux_init(); |
| 203 | |
| 204 | /* Lit DS14 LED */ |
| 205 | gpio_request(GPIO_PORT109, NULL); |
| 206 | gpio_direction_output(GPIO_PORT109, 1); |
| 207 | gpio_export(GPIO_PORT109, 1); |
| 208 | |
| 209 | /* Lit DS15 LED */ |
| 210 | gpio_request(GPIO_PORT110, NULL); |
| 211 | gpio_direction_output(GPIO_PORT110, 1); |
| 212 | gpio_export(GPIO_PORT110, 1); |
| 213 | |
| 214 | /* Lit DS16 LED */ |
| 215 | gpio_request(GPIO_PORT112, NULL); |
| 216 | gpio_direction_output(GPIO_PORT112, 1); |
| 217 | gpio_export(GPIO_PORT112, 1); |
| 218 | |
| 219 | /* Lit DS17 LED */ |
| 220 | gpio_request(GPIO_PORT113, NULL); |
| 221 | gpio_direction_output(GPIO_PORT113, 1); |
| 222 | gpio_export(GPIO_PORT113, 1); |
| 223 | |
NISHIMOTO Hiroki | aa18ef6 | 2010-02-12 08:11:18 +0000 | [diff] [blame] | 224 | /* USBHS */ |
| 225 | gpio_request(GPIO_FN_VBUS_0, NULL); |
| 226 | gpio_request(GPIO_FN_PWEN, NULL); |
| 227 | gpio_request(GPIO_FN_OVCN, NULL); |
| 228 | gpio_request(GPIO_FN_OVCN2, NULL); |
| 229 | gpio_request(GPIO_FN_EXTLP, NULL); |
| 230 | gpio_request(GPIO_FN_IDIN, NULL); |
| 231 | |
| 232 | /* enable clock in SMSTPCR3 */ |
| 233 | __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c); |
| 234 | |
| 235 | /* setup USB phy */ |
| 236 | __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ |
| 237 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ |
| 238 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ |
| 239 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ |
| 240 | |
NISHIMOTO Hiroki | 6676a170 | 2010-02-23 10:55:10 +0000 | [diff] [blame] | 241 | /* KEYSC @ CN31 */ |
| 242 | gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL); |
| 243 | gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL); |
| 244 | gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL); |
| 245 | gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL); |
| 246 | gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL); |
| 247 | gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL); |
| 248 | gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL); |
| 249 | gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL); |
| 250 | gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL); |
| 251 | gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL); |
| 252 | gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL); |
| 253 | gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL); |
| 254 | gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL); |
| 255 | |
Magnus Damm | f2aaf66 | 2010-02-05 11:15:07 +0000 | [diff] [blame] | 256 | sh7377_add_standard_devices(); |
| 257 | |
| 258 | platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); |
| 259 | } |
| 260 | |
| 261 | MACHINE_START(G4EVM, "g4evm") |
| 262 | .phys_io = 0xe6000000, |
| 263 | .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, |
| 264 | .map_io = g4evm_map_io, |
| 265 | .init_irq = sh7377_init_irq, |
| 266 | .init_machine = g4evm_init, |
| 267 | .timer = &shmobile_timer, |
| 268 | MACHINE_END |