Brian Swetland | 495f71d | 2006-06-26 16:16:03 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap1/board-fsample.c |
| 3 | * |
| 4 | * Modified from board-perseus2.c |
| 5 | * |
| 6 | * Original OMAP730 support by Jean Pihet <j-pihet@ti.com> |
| 7 | * Updated for 2.6 by Kevin Hilman <kjh@hilman.org> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/mtd/mtd.h> |
| 19 | #include <linux/mtd/nand.h> |
| 20 | #include <linux/mtd/partitions.h> |
| 21 | #include <linux/input.h> |
| 22 | |
| 23 | #include <asm/hardware.h> |
| 24 | #include <asm/mach-types.h> |
| 25 | #include <asm/mach/arch.h> |
| 26 | #include <asm/mach/flash.h> |
| 27 | #include <asm/mach/map.h> |
| 28 | |
| 29 | #include <asm/arch/tc.h> |
| 30 | #include <asm/arch/gpio.h> |
| 31 | #include <asm/arch/mux.h> |
| 32 | #include <asm/arch/fpga.h> |
| 33 | #include <asm/arch/keypad.h> |
| 34 | #include <asm/arch/common.h> |
| 35 | #include <asm/arch/board.h> |
| 36 | #include <asm/arch/board-fsample.h> |
| 37 | |
| 38 | static int fsample_keymap[] = { |
| 39 | KEY(0,0,KEY_UP), |
| 40 | KEY(0,1,KEY_RIGHT), |
| 41 | KEY(0,2,KEY_LEFT), |
| 42 | KEY(0,3,KEY_DOWN), |
| 43 | KEY(0,4,KEY_CENTER), |
| 44 | KEY(0,5,KEY_0_5), |
| 45 | KEY(1,0,KEY_SOFT2), |
| 46 | KEY(1,1,KEY_SEND), |
| 47 | KEY(1,2,KEY_END), |
| 48 | KEY(1,3,KEY_VOLUMEDOWN), |
| 49 | KEY(1,4,KEY_VOLUMEUP), |
| 50 | KEY(1,5,KEY_RECORD), |
| 51 | KEY(2,0,KEY_SOFT1), |
| 52 | KEY(2,1,KEY_3), |
| 53 | KEY(2,2,KEY_6), |
| 54 | KEY(2,3,KEY_9), |
| 55 | KEY(2,4,KEY_SHARP), |
| 56 | KEY(2,5,KEY_2_5), |
| 57 | KEY(3,0,KEY_BACK), |
| 58 | KEY(3,1,KEY_2), |
| 59 | KEY(3,2,KEY_5), |
| 60 | KEY(3,3,KEY_8), |
| 61 | KEY(3,4,KEY_0), |
| 62 | KEY(3,5,KEY_HEADSETHOOK), |
| 63 | KEY(4,0,KEY_HOME), |
| 64 | KEY(4,1,KEY_1), |
| 65 | KEY(4,2,KEY_4), |
| 66 | KEY(4,3,KEY_7), |
| 67 | KEY(4,4,KEY_STAR), |
| 68 | KEY(4,5,KEY_POWER), |
| 69 | 0 |
| 70 | }; |
| 71 | |
| 72 | static struct resource smc91x_resources[] = { |
| 73 | [0] = { |
| 74 | .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */ |
| 75 | .end = H2P2_DBG_FPGA_ETHR_START + 0xf, |
| 76 | .flags = IORESOURCE_MEM, |
| 77 | }, |
| 78 | [1] = { |
| 79 | .start = INT_730_MPU_EXT_NIRQ, |
| 80 | .end = 0, |
| 81 | .flags = IORESOURCE_IRQ, |
| 82 | }, |
| 83 | }; |
| 84 | |
| 85 | static struct mtd_partition nor_partitions[] = { |
| 86 | /* bootloader (U-Boot, etc) in first sector */ |
| 87 | { |
| 88 | .name = "bootloader", |
| 89 | .offset = 0, |
| 90 | .size = SZ_128K, |
| 91 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 92 | }, |
| 93 | /* bootloader params in the next sector */ |
| 94 | { |
| 95 | .name = "params", |
| 96 | .offset = MTDPART_OFS_APPEND, |
| 97 | .size = SZ_128K, |
| 98 | .mask_flags = 0, |
| 99 | }, |
| 100 | /* kernel */ |
| 101 | { |
| 102 | .name = "kernel", |
| 103 | .offset = MTDPART_OFS_APPEND, |
| 104 | .size = SZ_2M, |
| 105 | .mask_flags = 0 |
| 106 | }, |
| 107 | /* rest of flash is a file system */ |
| 108 | { |
| 109 | .name = "rootfs", |
| 110 | .offset = MTDPART_OFS_APPEND, |
| 111 | .size = MTDPART_SIZ_FULL, |
| 112 | .mask_flags = 0 |
| 113 | }, |
| 114 | }; |
| 115 | |
| 116 | static struct flash_platform_data nor_data = { |
| 117 | .map_name = "cfi_probe", |
| 118 | .width = 2, |
| 119 | .parts = nor_partitions, |
| 120 | .nr_parts = ARRAY_SIZE(nor_partitions), |
| 121 | }; |
| 122 | |
| 123 | static struct resource nor_resource = { |
| 124 | .start = OMAP_CS0_PHYS, |
| 125 | .end = OMAP_CS0_PHYS + SZ_32M - 1, |
| 126 | .flags = IORESOURCE_MEM, |
| 127 | }; |
| 128 | |
| 129 | static struct platform_device nor_device = { |
| 130 | .name = "omapflash", |
| 131 | .id = 0, |
| 132 | .dev = { |
| 133 | .platform_data = &nor_data, |
| 134 | }, |
| 135 | .num_resources = 1, |
| 136 | .resource = &nor_resource, |
| 137 | }; |
| 138 | |
| 139 | static struct nand_platform_data nand_data = { |
| 140 | .options = NAND_SAMSUNG_LP_OPTIONS, |
| 141 | }; |
| 142 | |
| 143 | static struct resource nand_resource = { |
| 144 | .start = OMAP_CS3_PHYS, |
| 145 | .end = OMAP_CS3_PHYS + SZ_4K - 1, |
| 146 | .flags = IORESOURCE_MEM, |
| 147 | }; |
| 148 | |
| 149 | static struct platform_device nand_device = { |
| 150 | .name = "omapnand", |
| 151 | .id = 0, |
| 152 | .dev = { |
| 153 | .platform_data = &nand_data, |
| 154 | }, |
| 155 | .num_resources = 1, |
| 156 | .resource = &nand_resource, |
| 157 | }; |
| 158 | |
| 159 | static struct platform_device smc91x_device = { |
| 160 | .name = "smc91x", |
| 161 | .id = 0, |
| 162 | .num_resources = ARRAY_SIZE(smc91x_resources), |
| 163 | .resource = smc91x_resources, |
| 164 | }; |
| 165 | |
| 166 | static struct resource kp_resources[] = { |
| 167 | [0] = { |
| 168 | .start = INT_730_MPUIO_KEYPAD, |
| 169 | .end = INT_730_MPUIO_KEYPAD, |
| 170 | .flags = IORESOURCE_IRQ, |
| 171 | }, |
| 172 | }; |
| 173 | |
| 174 | static struct omap_kp_platform_data kp_data = { |
Komal Shah | 4d24607 | 2006-09-29 01:59:20 -0700 | [diff] [blame] | 175 | .rows = 8, |
| 176 | .cols = 8, |
| 177 | .keymap = fsample_keymap, |
| 178 | .keymapsize = ARRAY_SIZE(fsample_keymap), |
| 179 | .delay = 4, |
Brian Swetland | 495f71d | 2006-06-26 16:16:03 -0700 | [diff] [blame] | 180 | }; |
| 181 | |
| 182 | static struct platform_device kp_device = { |
| 183 | .name = "omap-keypad", |
| 184 | .id = -1, |
| 185 | .dev = { |
| 186 | .platform_data = &kp_data, |
| 187 | }, |
| 188 | .num_resources = ARRAY_SIZE(kp_resources), |
| 189 | .resource = kp_resources, |
| 190 | }; |
| 191 | |
| 192 | static struct platform_device lcd_device = { |
| 193 | .name = "lcd_p2", |
| 194 | .id = -1, |
| 195 | }; |
| 196 | |
| 197 | static struct platform_device *devices[] __initdata = { |
| 198 | &nor_device, |
| 199 | &nand_device, |
| 200 | &smc91x_device, |
| 201 | &kp_device, |
| 202 | &lcd_device, |
| 203 | }; |
| 204 | |
| 205 | #define P2_NAND_RB_GPIO_PIN 62 |
| 206 | |
| 207 | static int nand_dev_ready(struct nand_platform_data *data) |
| 208 | { |
| 209 | return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN); |
| 210 | } |
| 211 | |
| 212 | static struct omap_uart_config fsample_uart_config __initdata = { |
| 213 | .enabled_uarts = ((1 << 0) | (1 << 1)), |
| 214 | }; |
| 215 | |
| 216 | static struct omap_lcd_config fsample_lcd_config __initdata = { |
| 217 | .ctrl_name = "internal", |
| 218 | }; |
| 219 | |
| 220 | static struct omap_board_config_kernel fsample_config[] = { |
| 221 | { OMAP_TAG_UART, &fsample_uart_config }, |
| 222 | { OMAP_TAG_LCD, &fsample_lcd_config }, |
| 223 | }; |
| 224 | |
| 225 | static void __init omap_fsample_init(void) |
| 226 | { |
| 227 | if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN))) |
| 228 | nand_data.dev_ready = nand_dev_ready; |
| 229 | |
| 230 | omap_cfg_reg(L3_1610_FLASH_CS2B_OE); |
| 231 | omap_cfg_reg(M8_1610_FLASH_CS2B_WE); |
| 232 | |
| 233 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 234 | |
| 235 | omap_board_config = fsample_config; |
| 236 | omap_board_config_size = ARRAY_SIZE(fsample_config); |
| 237 | omap_serial_init(); |
| 238 | } |
| 239 | |
| 240 | static void __init fsample_init_smc91x(void) |
| 241 | { |
| 242 | fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); |
| 243 | mdelay(50); |
| 244 | fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, |
| 245 | H2P2_DBG_FPGA_LAN_RESET); |
| 246 | mdelay(50); |
| 247 | } |
| 248 | |
David Brownell | 277d58e | 2006-12-06 17:13:59 -0800 | [diff] [blame] | 249 | static void __init omap_fsample_init_irq(void) |
Brian Swetland | 495f71d | 2006-06-26 16:16:03 -0700 | [diff] [blame] | 250 | { |
| 251 | omap1_init_common_hw(); |
| 252 | omap_init_irq(); |
| 253 | omap_gpio_init(); |
| 254 | fsample_init_smc91x(); |
| 255 | } |
| 256 | |
| 257 | /* Only FPGA needs to be mapped here. All others are done with ioremap */ |
| 258 | static struct map_desc omap_fsample_io_desc[] __initdata = { |
| 259 | { |
| 260 | .virtual = H2P2_DBG_FPGA_BASE, |
| 261 | .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START), |
| 262 | .length = H2P2_DBG_FPGA_SIZE, |
| 263 | .type = MT_DEVICE |
| 264 | }, |
| 265 | { |
| 266 | .virtual = FSAMPLE_CPLD_BASE, |
| 267 | .pfn = __phys_to_pfn(FSAMPLE_CPLD_START), |
| 268 | .length = FSAMPLE_CPLD_SIZE, |
| 269 | .type = MT_DEVICE |
| 270 | } |
| 271 | }; |
| 272 | |
| 273 | static void __init omap_fsample_map_io(void) |
| 274 | { |
| 275 | omap1_map_common_io(); |
| 276 | iotable_init(omap_fsample_io_desc, |
| 277 | ARRAY_SIZE(omap_fsample_io_desc)); |
| 278 | |
| 279 | /* Early, board-dependent init */ |
| 280 | |
| 281 | /* |
| 282 | * Hold GSM Reset until needed |
| 283 | */ |
| 284 | omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL); |
| 285 | |
| 286 | /* |
| 287 | * UARTs -> done automagically by 8250 driver |
| 288 | */ |
| 289 | |
| 290 | /* |
| 291 | * CSx timings, GPIO Mux ... setup |
| 292 | */ |
| 293 | |
| 294 | /* Flash: CS0 timings setup */ |
| 295 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0); |
| 296 | omap_writel(0x00000088, OMAP730_FLASH_ACFG_0); |
| 297 | |
| 298 | /* |
| 299 | * Ethernet support through the debug board |
| 300 | * CS1 timings setup |
| 301 | */ |
| 302 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1); |
| 303 | omap_writel(0x00000000, OMAP730_FLASH_ACFG_1); |
| 304 | |
| 305 | /* |
| 306 | * Configure MPU_EXT_NIRQ IO in IO_CONF9 register, |
| 307 | * It is used as the Ethernet controller interrupt |
| 308 | */ |
| 309 | omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9); |
| 310 | } |
| 311 | |
| 312 | MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample") |
| 313 | /* Maintainer: Brian Swetland <swetland@google.com> */ |
| 314 | .phys_io = 0xfff00000, |
| 315 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, |
| 316 | .boot_params = 0x10000100, |
| 317 | .map_io = omap_fsample_map_io, |
| 318 | .init_irq = omap_fsample_init_irq, |
| 319 | .init_machine = omap_fsample_init, |
| 320 | .timer = &omap_timer, |
| 321 | MACHINE_END |