eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-pxa/littleton.c |
| 3 | * |
| 4 | * Support for the Marvell Littleton Development Platform. |
| 5 | * |
| 6 | * Author: Jason Chagas (largely modified code) |
| 7 | * Created: Nov 20, 2006 |
| 8 | * Copyright: (C) Copyright 2006 Marvell International Ltd. |
| 9 | * |
| 10 | * 2007-11-22 modified to align with latest kernel |
| 11 | * eric miao <eric.miao@marvell.com> |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License version 2 as |
| 15 | * publishhed by the Free Software Foundation. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/interrupt.h> |
| 20 | #include <linux/delay.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/clk.h> |
Eric Miao | 24ff4cd | 2008-09-01 06:56:07 +0800 | [diff] [blame^] | 23 | #include <linux/spi/spi.h> |
Eric Miao | e1719da | 2008-06-24 16:49:41 +0800 | [diff] [blame] | 24 | #include <linux/smc91x.h> |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 25 | |
| 26 | #include <asm/types.h> |
| 27 | #include <asm/setup.h> |
| 28 | #include <asm/memory.h> |
| 29 | #include <asm/mach-types.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/hardware.h> |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 31 | #include <asm/irq.h> |
| 32 | |
| 33 | #include <asm/mach/arch.h> |
| 34 | #include <asm/mach/map.h> |
| 35 | #include <asm/mach/irq.h> |
| 36 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 37 | #include <mach/pxa-regs.h> |
| 38 | #include <mach/mfp-pxa300.h> |
| 39 | #include <mach/gpio.h> |
| 40 | #include <mach/pxafb.h> |
| 41 | #include <mach/ssp.h> |
Eric Miao | 24ff4cd | 2008-09-01 06:56:07 +0800 | [diff] [blame^] | 42 | #include <mach/pxa2xx_spi.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 43 | #include <mach/pxa27x_keypad.h> |
| 44 | #include <mach/pxa3xx_nand.h> |
| 45 | #include <mach/littleton.h> |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 46 | |
| 47 | #include "generic.h" |
| 48 | |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 49 | /* Littleton MFP configurations */ |
| 50 | static mfp_cfg_t littleton_mfp_cfg[] __initdata = { |
| 51 | /* LCD */ |
| 52 | GPIO54_LCD_LDD_0, |
| 53 | GPIO55_LCD_LDD_1, |
| 54 | GPIO56_LCD_LDD_2, |
| 55 | GPIO57_LCD_LDD_3, |
| 56 | GPIO58_LCD_LDD_4, |
| 57 | GPIO59_LCD_LDD_5, |
| 58 | GPIO60_LCD_LDD_6, |
| 59 | GPIO61_LCD_LDD_7, |
| 60 | GPIO62_LCD_LDD_8, |
| 61 | GPIO63_LCD_LDD_9, |
| 62 | GPIO64_LCD_LDD_10, |
| 63 | GPIO65_LCD_LDD_11, |
| 64 | GPIO66_LCD_LDD_12, |
| 65 | GPIO67_LCD_LDD_13, |
| 66 | GPIO68_LCD_LDD_14, |
| 67 | GPIO69_LCD_LDD_15, |
| 68 | GPIO70_LCD_LDD_16, |
| 69 | GPIO71_LCD_LDD_17, |
| 70 | GPIO72_LCD_FCLK, |
| 71 | GPIO73_LCD_LCLK, |
| 72 | GPIO74_LCD_PCLK, |
| 73 | GPIO75_LCD_BIAS, |
| 74 | |
| 75 | /* SSP2 */ |
| 76 | GPIO25_SSP2_SCLK, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 77 | GPIO27_SSP2_TXD, |
Eric Miao | 24ff4cd | 2008-09-01 06:56:07 +0800 | [diff] [blame^] | 78 | GPIO17_GPIO, /* SFRM as chip-select */ |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 79 | |
| 80 | /* Debug Ethernet */ |
| 81 | GPIO90_GPIO, |
eric miao | 5fa4151 | 2008-01-23 15:07:22 +0800 | [diff] [blame] | 82 | |
| 83 | /* Keypad */ |
| 84 | GPIO107_KP_DKIN_0, |
| 85 | GPIO108_KP_DKIN_1, |
| 86 | GPIO115_KP_MKIN_0, |
| 87 | GPIO116_KP_MKIN_1, |
| 88 | GPIO117_KP_MKIN_2, |
| 89 | GPIO118_KP_MKIN_3, |
| 90 | GPIO119_KP_MKIN_4, |
| 91 | GPIO120_KP_MKIN_5, |
| 92 | GPIO121_KP_MKOUT_0, |
| 93 | GPIO122_KP_MKOUT_1, |
| 94 | GPIO123_KP_MKOUT_2, |
| 95 | GPIO124_KP_MKOUT_3, |
| 96 | GPIO125_KP_MKOUT_4, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 97 | }; |
| 98 | |
| 99 | static struct resource smc91x_resources[] = { |
| 100 | [0] = { |
| 101 | .start = (LITTLETON_ETH_PHYS + 0x300), |
| 102 | .end = (LITTLETON_ETH_PHYS + 0xfffff), |
| 103 | .flags = IORESOURCE_MEM, |
| 104 | }, |
| 105 | [1] = { |
| 106 | .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), |
| 107 | .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), |
Eric Miao | 8a6e887 | 2008-06-02 13:30:24 +0800 | [diff] [blame] | 108 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 109 | } |
| 110 | }; |
| 111 | |
Eric Miao | e1719da | 2008-06-24 16:49:41 +0800 | [diff] [blame] | 112 | static struct smc91x_platdata littleton_smc91x_info = { |
| 113 | .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | |
| 114 | SMC91X_NOWAIT | SMC91X_USE_DMA, |
| 115 | }; |
| 116 | |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 117 | static struct platform_device smc91x_device = { |
| 118 | .name = "smc91x", |
| 119 | .id = 0, |
| 120 | .num_resources = ARRAY_SIZE(smc91x_resources), |
| 121 | .resource = smc91x_resources, |
Eric Miao | e1719da | 2008-06-24 16:49:41 +0800 | [diff] [blame] | 122 | .dev = { |
| 123 | .platform_data = &littleton_smc91x_info, |
| 124 | }, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 125 | }; |
| 126 | |
Eric Miao | 36caeb4 | 2008-06-02 13:32:42 +0800 | [diff] [blame] | 127 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 128 | static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = { |
| 129 | [0] = { |
| 130 | /* VGA */ |
| 131 | .pixclock = 38250, |
| 132 | .xres = 480, |
| 133 | .yres = 640, |
| 134 | .bpp = 16, |
| 135 | .hsync_len = 8, |
| 136 | .left_margin = 8, |
| 137 | .right_margin = 24, |
| 138 | .vsync_len = 2, |
| 139 | .upper_margin = 2, |
| 140 | .lower_margin = 4, |
| 141 | .sync = 0, |
| 142 | }, |
| 143 | [1] = { |
| 144 | /* QVGA */ |
| 145 | .pixclock = 153000, |
| 146 | .xres = 240, |
| 147 | .yres = 320, |
| 148 | .bpp = 16, |
| 149 | .hsync_len = 8, |
| 150 | .left_margin = 8, |
| 151 | .right_margin = 88, |
| 152 | .vsync_len = 2, |
| 153 | .upper_margin = 2, |
| 154 | .lower_margin = 2, |
| 155 | .sync = 0, |
| 156 | }, |
| 157 | }; |
| 158 | |
| 159 | static struct pxafb_mach_info littleton_lcd_info = { |
| 160 | .modes = tpo_tdo24mtea1_modes, |
| 161 | .num_modes = 2, |
eric miao | 0454bd0 | 2008-04-30 00:52:23 -0700 | [diff] [blame] | 162 | .lcd_conn = LCD_COLOR_TFT_16BPP, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 163 | }; |
| 164 | |
| 165 | static void littleton_init_lcd(void) |
| 166 | { |
| 167 | set_pxa_fb_info(&littleton_lcd_info); |
| 168 | } |
| 169 | #else |
| 170 | static inline void littleton_init_lcd(void) {}; |
Eric Miao | 36caeb4 | 2008-06-02 13:32:42 +0800 | [diff] [blame] | 171 | #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 172 | |
Eric Miao | 24ff4cd | 2008-09-01 06:56:07 +0800 | [diff] [blame^] | 173 | #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) |
| 174 | static struct pxa2xx_spi_master littleton_spi_info = { |
| 175 | .num_chipselect = 1, |
| 176 | }; |
| 177 | |
| 178 | static void littleton_tdo24m_cs(u32 cmd) |
| 179 | { |
| 180 | gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT)); |
| 181 | } |
| 182 | |
| 183 | static struct pxa2xx_spi_chip littleton_tdo24m_chip = { |
| 184 | .rx_threshold = 1, |
| 185 | .tx_threshold = 1, |
| 186 | .cs_control = littleton_tdo24m_cs, |
| 187 | }; |
| 188 | |
| 189 | static struct spi_board_info littleton_spi_devices[] __initdata = { |
| 190 | { |
| 191 | .modalias = "tdo24m", |
| 192 | .max_speed_hz = 1000000, |
| 193 | .bus_num = 2, |
| 194 | .chip_select = 0, |
| 195 | .controller_data= &littleton_tdo24m_chip, |
| 196 | }, |
| 197 | }; |
| 198 | |
| 199 | static void __init littleton_init_spi(void) |
| 200 | { |
| 201 | int err; |
| 202 | |
| 203 | err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS"); |
| 204 | if (err) { |
| 205 | pr_warning("failed to request GPIO for LCS CS\n"); |
| 206 | return; |
| 207 | } |
| 208 | |
| 209 | gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1); |
| 210 | |
| 211 | pxa2xx_set_spi_info(2, &littleton_spi_info); |
| 212 | spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices)); |
| 213 | } |
| 214 | #else |
| 215 | static inline void littleton_init_spi(void) {} |
| 216 | #endif |
| 217 | |
Eric Miao | 36caeb4 | 2008-06-02 13:32:42 +0800 | [diff] [blame] | 218 | #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
eric miao | 5fa4151 | 2008-01-23 15:07:22 +0800 | [diff] [blame] | 219 | static unsigned int littleton_matrix_key_map[] = { |
| 220 | /* KEY(row, col, key_code) */ |
| 221 | KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3), |
| 222 | KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7), |
| 223 | KEY(1, 2, KEY_8), KEY(2, 2, KEY_9), |
| 224 | |
| 225 | KEY(0, 3, KEY_KPASTERISK), /* * */ |
| 226 | KEY(2, 3, KEY_KPDOT), /* # */ |
| 227 | |
| 228 | KEY(5, 4, KEY_ENTER), |
| 229 | |
| 230 | KEY(5, 0, KEY_UP), |
| 231 | KEY(5, 1, KEY_DOWN), |
| 232 | KEY(5, 2, KEY_LEFT), |
| 233 | KEY(5, 3, KEY_RIGHT), |
| 234 | KEY(3, 2, KEY_HOME), |
| 235 | KEY(4, 1, KEY_END), |
| 236 | KEY(3, 3, KEY_BACK), |
| 237 | |
| 238 | KEY(4, 0, KEY_SEND), |
| 239 | KEY(4, 2, KEY_VOLUMEUP), |
| 240 | KEY(4, 3, KEY_VOLUMEDOWN), |
| 241 | |
| 242 | KEY(3, 0, KEY_F22), /* soft1 */ |
| 243 | KEY(3, 1, KEY_F23), /* soft2 */ |
| 244 | }; |
| 245 | |
| 246 | static struct pxa27x_keypad_platform_data littleton_keypad_info = { |
| 247 | .matrix_key_rows = 6, |
| 248 | .matrix_key_cols = 5, |
| 249 | .matrix_key_map = littleton_matrix_key_map, |
| 250 | .matrix_key_map_size = ARRAY_SIZE(littleton_matrix_key_map), |
| 251 | |
| 252 | .enable_rotary0 = 1, |
| 253 | .rotary0_up_key = KEY_UP, |
| 254 | .rotary0_down_key = KEY_DOWN, |
| 255 | |
| 256 | .debounce_interval = 30, |
| 257 | }; |
| 258 | static void __init littleton_init_keypad(void) |
| 259 | { |
| 260 | pxa_set_keypad_info(&littleton_keypad_info); |
| 261 | } |
| 262 | #else |
| 263 | static inline void littleton_init_keypad(void) {} |
| 264 | #endif |
| 265 | |
Eric Miao | 9c1db1a | 2008-06-02 15:42:14 +0800 | [diff] [blame] | 266 | #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) |
| 267 | static struct mtd_partition littleton_nand_partitions[] = { |
| 268 | [0] = { |
| 269 | .name = "Bootloader", |
| 270 | .offset = 0, |
| 271 | .size = 0x060000, |
| 272 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 273 | }, |
| 274 | [1] = { |
| 275 | .name = "Kernel", |
| 276 | .offset = 0x060000, |
| 277 | .size = 0x200000, |
| 278 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 279 | }, |
| 280 | [2] = { |
| 281 | .name = "Filesystem", |
| 282 | .offset = 0x0260000, |
| 283 | .size = 0x3000000, /* 48M - rootfs */ |
| 284 | }, |
| 285 | [3] = { |
| 286 | .name = "MassStorage", |
| 287 | .offset = 0x3260000, |
| 288 | .size = 0x3d40000, |
| 289 | }, |
| 290 | [4] = { |
| 291 | .name = "BBT", |
| 292 | .offset = 0x6FA0000, |
| 293 | .size = 0x80000, |
| 294 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 295 | }, |
| 296 | /* NOTE: we reserve some blocks at the end of the NAND flash for |
| 297 | * bad block management, and the max number of relocation blocks |
| 298 | * differs on different platforms. Please take care with it when |
| 299 | * defining the partition table. |
| 300 | */ |
| 301 | }; |
| 302 | |
| 303 | static struct pxa3xx_nand_platform_data littleton_nand_info = { |
| 304 | .enable_arbiter = 1, |
| 305 | .parts = littleton_nand_partitions, |
| 306 | .nr_parts = ARRAY_SIZE(littleton_nand_partitions), |
| 307 | }; |
| 308 | |
| 309 | static void __init littleton_init_nand(void) |
| 310 | { |
| 311 | pxa3xx_set_nand_info(&littleton_nand_info); |
| 312 | } |
| 313 | #else |
| 314 | static inline void littleton_init_nand(void) {} |
| 315 | #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */ |
| 316 | |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 317 | static void __init littleton_init(void) |
| 318 | { |
| 319 | /* initialize MFP configurations */ |
| 320 | pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg)); |
| 321 | |
| 322 | /* |
| 323 | * Note: we depend bootloader set the correct |
| 324 | * value to MSC register for SMC91x. |
| 325 | */ |
| 326 | platform_device_register(&smc91x_device); |
| 327 | |
Eric Miao | 24ff4cd | 2008-09-01 06:56:07 +0800 | [diff] [blame^] | 328 | littleton_init_spi(); |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 329 | littleton_init_lcd(); |
eric miao | 5fa4151 | 2008-01-23 15:07:22 +0800 | [diff] [blame] | 330 | littleton_init_keypad(); |
Eric Miao | 9c1db1a | 2008-06-02 15:42:14 +0800 | [diff] [blame] | 331 | littleton_init_nand(); |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)") |
| 335 | .phys_io = 0x40000000, |
| 336 | .boot_params = 0xa0000100, |
| 337 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 338 | .map_io = pxa_map_io, |
| 339 | .init_irq = pxa3xx_init_irq, |
| 340 | .timer = &pxa_timer, |
| 341 | .init_machine = littleton_init, |
| 342 | MACHINE_END |