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> |
| 23 | |
| 24 | #include <asm/types.h> |
| 25 | #include <asm/setup.h> |
| 26 | #include <asm/memory.h> |
| 27 | #include <asm/mach-types.h> |
| 28 | #include <asm/hardware.h> |
| 29 | #include <asm/irq.h> |
| 30 | |
| 31 | #include <asm/mach/arch.h> |
| 32 | #include <asm/mach/map.h> |
| 33 | #include <asm/mach/irq.h> |
| 34 | |
| 35 | #include <asm/arch/pxa-regs.h> |
| 36 | #include <asm/arch/mfp-pxa300.h> |
| 37 | #include <asm/arch/gpio.h> |
| 38 | #include <asm/arch/pxafb.h> |
| 39 | #include <asm/arch/ssp.h> |
eric miao | 5fa4151 | 2008-01-23 15:07:22 +0800 | [diff] [blame] | 40 | #include <asm/arch/pxa27x_keypad.h> |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 41 | #include <asm/arch/littleton.h> |
| 42 | |
| 43 | #include "generic.h" |
| 44 | |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 45 | /* Littleton MFP configurations */ |
| 46 | static mfp_cfg_t littleton_mfp_cfg[] __initdata = { |
| 47 | /* LCD */ |
| 48 | GPIO54_LCD_LDD_0, |
| 49 | GPIO55_LCD_LDD_1, |
| 50 | GPIO56_LCD_LDD_2, |
| 51 | GPIO57_LCD_LDD_3, |
| 52 | GPIO58_LCD_LDD_4, |
| 53 | GPIO59_LCD_LDD_5, |
| 54 | GPIO60_LCD_LDD_6, |
| 55 | GPIO61_LCD_LDD_7, |
| 56 | GPIO62_LCD_LDD_8, |
| 57 | GPIO63_LCD_LDD_9, |
| 58 | GPIO64_LCD_LDD_10, |
| 59 | GPIO65_LCD_LDD_11, |
| 60 | GPIO66_LCD_LDD_12, |
| 61 | GPIO67_LCD_LDD_13, |
| 62 | GPIO68_LCD_LDD_14, |
| 63 | GPIO69_LCD_LDD_15, |
| 64 | GPIO70_LCD_LDD_16, |
| 65 | GPIO71_LCD_LDD_17, |
| 66 | GPIO72_LCD_FCLK, |
| 67 | GPIO73_LCD_LCLK, |
| 68 | GPIO74_LCD_PCLK, |
| 69 | GPIO75_LCD_BIAS, |
| 70 | |
| 71 | /* SSP2 */ |
| 72 | GPIO25_SSP2_SCLK, |
| 73 | GPIO17_SSP2_FRM, |
| 74 | GPIO27_SSP2_TXD, |
| 75 | |
| 76 | /* Debug Ethernet */ |
| 77 | GPIO90_GPIO, |
eric miao | 5fa4151 | 2008-01-23 15:07:22 +0800 | [diff] [blame] | 78 | |
| 79 | /* Keypad */ |
| 80 | GPIO107_KP_DKIN_0, |
| 81 | GPIO108_KP_DKIN_1, |
| 82 | GPIO115_KP_MKIN_0, |
| 83 | GPIO116_KP_MKIN_1, |
| 84 | GPIO117_KP_MKIN_2, |
| 85 | GPIO118_KP_MKIN_3, |
| 86 | GPIO119_KP_MKIN_4, |
| 87 | GPIO120_KP_MKIN_5, |
| 88 | GPIO121_KP_MKOUT_0, |
| 89 | GPIO122_KP_MKOUT_1, |
| 90 | GPIO123_KP_MKOUT_2, |
| 91 | GPIO124_KP_MKOUT_3, |
| 92 | GPIO125_KP_MKOUT_4, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 93 | }; |
| 94 | |
| 95 | static struct resource smc91x_resources[] = { |
| 96 | [0] = { |
| 97 | .start = (LITTLETON_ETH_PHYS + 0x300), |
| 98 | .end = (LITTLETON_ETH_PHYS + 0xfffff), |
| 99 | .flags = IORESOURCE_MEM, |
| 100 | }, |
| 101 | [1] = { |
| 102 | .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), |
| 103 | .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), |
Eric Miao | 8a6e887 | 2008-06-02 13:30:24 +0800 | [diff] [blame] | 104 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 105 | } |
| 106 | }; |
| 107 | |
| 108 | static struct platform_device smc91x_device = { |
| 109 | .name = "smc91x", |
| 110 | .id = 0, |
| 111 | .num_resources = ARRAY_SIZE(smc91x_resources), |
| 112 | .resource = smc91x_resources, |
| 113 | }; |
| 114 | |
Eric Miao | 36caeb4 | 2008-06-02 13:32:42 +0800 | [diff] [blame^] | 115 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 116 | /* use bit 30, 31 as the indicator of command parameter number */ |
| 117 | #define CMD0(x) ((0x00000000) | ((x) << 9)) |
| 118 | #define CMD1(x, x1) ((0x40000000) | ((x) << 9) | 0x100 | (x1)) |
| 119 | #define CMD2(x, x1, x2) ((0x80000000) | ((x) << 18) | 0x20000 |\ |
| 120 | ((x1) << 9) | 0x100 | (x2)) |
| 121 | |
| 122 | static uint32_t lcd_panel_reset[] = { |
| 123 | CMD0(0x1), /* reset */ |
| 124 | CMD0(0x0), /* nop */ |
| 125 | CMD0(0x0), /* nop */ |
| 126 | CMD0(0x0), /* nop */ |
| 127 | }; |
| 128 | |
| 129 | static uint32_t lcd_panel_on[] = { |
| 130 | CMD0(0x29), /* Display ON */ |
| 131 | CMD2(0xB8, 0xFF, 0xF9), /* Output Control */ |
| 132 | CMD0(0x11), /* Sleep out */ |
| 133 | CMD1(0xB0, 0x16), /* Wake */ |
| 134 | }; |
| 135 | |
| 136 | static uint32_t lcd_panel_off[] = { |
| 137 | CMD0(0x28), /* Display OFF */ |
| 138 | CMD2(0xB8, 0x80, 0x02), /* Output Control */ |
| 139 | CMD0(0x10), /* Sleep in */ |
| 140 | CMD1(0xB0, 0x00), /* Deep stand by in */ |
| 141 | }; |
| 142 | |
| 143 | static uint32_t lcd_vga_pass_through[] = { |
| 144 | CMD1(0xB0, 0x16), |
| 145 | CMD1(0xBC, 0x80), |
| 146 | CMD1(0xE1, 0x00), |
| 147 | CMD1(0x36, 0x50), |
| 148 | CMD1(0x3B, 0x00), |
| 149 | }; |
| 150 | |
| 151 | static uint32_t lcd_qvga_pass_through[] = { |
| 152 | CMD1(0xB0, 0x16), |
| 153 | CMD1(0xBC, 0x81), |
| 154 | CMD1(0xE1, 0x00), |
| 155 | CMD1(0x36, 0x50), |
| 156 | CMD1(0x3B, 0x22), |
| 157 | }; |
| 158 | |
| 159 | static uint32_t lcd_vga_transfer[] = { |
| 160 | CMD1(0xcf, 0x02), /* Blanking period control (1) */ |
| 161 | CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */ |
| 162 | CMD1(0xd1, 0x01), /* CKV timing control on/off */ |
| 163 | CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */ |
| 164 | CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */ |
| 165 | CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */ |
| 166 | CMD1(0xd5, 0x14), /* ASW timing control (2) */ |
| 167 | CMD0(0x21), /* Invert for normally black display */ |
| 168 | CMD0(0x29), /* Display on */ |
| 169 | }; |
| 170 | |
| 171 | static uint32_t lcd_qvga_transfer[] = { |
| 172 | CMD1(0xd6, 0x02), /* Blanking period control (1) */ |
| 173 | CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */ |
| 174 | CMD1(0xd8, 0x01), /* CKV timing control on/off */ |
| 175 | CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */ |
| 176 | CMD2(0xde, 0x05, 0x0a), /* OEV timing control */ |
| 177 | CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */ |
| 178 | CMD1(0xe0, 0x0a), /* ASW timing control (2) */ |
| 179 | CMD0(0x21), /* Invert for normally black display */ |
| 180 | CMD0(0x29), /* Display on */ |
| 181 | }; |
| 182 | |
| 183 | static uint32_t lcd_panel_config[] = { |
| 184 | CMD2(0xb8, 0xff, 0xf9), /* Output control */ |
| 185 | CMD0(0x11), /* sleep out */ |
| 186 | CMD1(0xba, 0x01), /* Display mode (1) */ |
| 187 | CMD1(0xbb, 0x00), /* Display mode (2) */ |
| 188 | CMD1(0x3a, 0x60), /* Display mode 18-bit RGB */ |
| 189 | CMD1(0xbf, 0x10), /* Drive system change control */ |
| 190 | CMD1(0xb1, 0x56), /* Booster operation setup */ |
| 191 | CMD1(0xb2, 0x33), /* Booster mode setup */ |
| 192 | CMD1(0xb3, 0x11), /* Booster frequency setup */ |
| 193 | CMD1(0xb4, 0x02), /* Op amp/system clock */ |
| 194 | CMD1(0xb5, 0x35), /* VCS voltage */ |
| 195 | CMD1(0xb6, 0x40), /* VCOM voltage */ |
| 196 | CMD1(0xb7, 0x03), /* External display signal */ |
| 197 | CMD1(0xbd, 0x00), /* ASW slew rate */ |
| 198 | CMD1(0xbe, 0x00), /* Dummy data for QuadData operation */ |
| 199 | CMD1(0xc0, 0x11), /* Sleep out FR count (A) */ |
| 200 | CMD1(0xc1, 0x11), /* Sleep out FR count (B) */ |
| 201 | CMD1(0xc2, 0x11), /* Sleep out FR count (C) */ |
| 202 | CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */ |
| 203 | CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */ |
| 204 | CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */ |
| 205 | CMD1(0xc6, 0xc0), /* Sleep out FR count (G) */ |
| 206 | CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */ |
| 207 | CMD1(0xc8, 0x44), /* Gamma 1 fine tuning (2) */ |
| 208 | CMD1(0xc9, 0x33), /* Gamma 1 inclination adjustment */ |
| 209 | CMD1(0xca, 0x00), /* Gamma 1 blue offset adjustment */ |
| 210 | CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */ |
| 211 | }; |
| 212 | |
| 213 | static void ssp_reconfig(struct ssp_dev *dev, int nparam) |
| 214 | { |
| 215 | static int last_nparam = -1; |
| 216 | |
| 217 | /* check if it is necessary to re-config SSP */ |
| 218 | if (nparam == last_nparam) |
| 219 | return; |
| 220 | |
| 221 | ssp_disable(dev); |
| 222 | ssp_config(dev, (nparam == 2) ? 0x0010058a : 0x00100581, 0x18, 0, 0); |
| 223 | |
| 224 | last_nparam = nparam; |
| 225 | } |
| 226 | |
| 227 | static void ssp_send_cmd(uint32_t *cmd, int num) |
| 228 | { |
| 229 | static int ssp_initialized; |
| 230 | static struct ssp_dev ssp2; |
| 231 | |
| 232 | int i; |
| 233 | |
| 234 | if (!ssp_initialized) { |
| 235 | ssp_init(&ssp2, 2, SSP_NO_IRQ); |
| 236 | ssp_initialized = 1; |
| 237 | } |
| 238 | |
| 239 | clk_enable(ssp2.ssp->clk); |
| 240 | for (i = 0; i < num; i++, cmd++) { |
| 241 | ssp_reconfig(&ssp2, (*cmd >> 30) & 0x3); |
| 242 | ssp_write_word(&ssp2, *cmd & 0x3fffffff); |
| 243 | |
| 244 | /* FIXME: ssp_flush() is mandatory here to work */ |
| 245 | ssp_flush(&ssp2); |
| 246 | } |
| 247 | clk_disable(ssp2.ssp->clk); |
| 248 | } |
| 249 | |
| 250 | static void littleton_lcd_power(int on, struct fb_var_screeninfo *var) |
| 251 | { |
| 252 | if (on) { |
| 253 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_on)); |
| 254 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_reset)); |
| 255 | if (var->xres > 240) { |
| 256 | /* VGA */ |
| 257 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_pass_through)); |
| 258 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config)); |
| 259 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_transfer)); |
| 260 | } else { |
| 261 | /* QVGA */ |
| 262 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_pass_through)); |
| 263 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config)); |
| 264 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_transfer)); |
| 265 | } |
| 266 | } else |
| 267 | ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_off)); |
| 268 | } |
| 269 | |
| 270 | static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = { |
| 271 | [0] = { |
| 272 | /* VGA */ |
| 273 | .pixclock = 38250, |
| 274 | .xres = 480, |
| 275 | .yres = 640, |
| 276 | .bpp = 16, |
| 277 | .hsync_len = 8, |
| 278 | .left_margin = 8, |
| 279 | .right_margin = 24, |
| 280 | .vsync_len = 2, |
| 281 | .upper_margin = 2, |
| 282 | .lower_margin = 4, |
| 283 | .sync = 0, |
| 284 | }, |
| 285 | [1] = { |
| 286 | /* QVGA */ |
| 287 | .pixclock = 153000, |
| 288 | .xres = 240, |
| 289 | .yres = 320, |
| 290 | .bpp = 16, |
| 291 | .hsync_len = 8, |
| 292 | .left_margin = 8, |
| 293 | .right_margin = 88, |
| 294 | .vsync_len = 2, |
| 295 | .upper_margin = 2, |
| 296 | .lower_margin = 2, |
| 297 | .sync = 0, |
| 298 | }, |
| 299 | }; |
| 300 | |
| 301 | static struct pxafb_mach_info littleton_lcd_info = { |
| 302 | .modes = tpo_tdo24mtea1_modes, |
| 303 | .num_modes = 2, |
eric miao | 0454bd0 | 2008-04-30 00:52:23 -0700 | [diff] [blame] | 304 | .lcd_conn = LCD_COLOR_TFT_16BPP, |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 305 | .pxafb_lcd_power = littleton_lcd_power, |
| 306 | }; |
| 307 | |
| 308 | static void littleton_init_lcd(void) |
| 309 | { |
| 310 | set_pxa_fb_info(&littleton_lcd_info); |
| 311 | } |
| 312 | #else |
| 313 | static inline void littleton_init_lcd(void) {}; |
Eric Miao | 36caeb4 | 2008-06-02 13:32:42 +0800 | [diff] [blame^] | 314 | #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 315 | |
Eric Miao | 36caeb4 | 2008-06-02 13:32:42 +0800 | [diff] [blame^] | 316 | #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
eric miao | 5fa4151 | 2008-01-23 15:07:22 +0800 | [diff] [blame] | 317 | static unsigned int littleton_matrix_key_map[] = { |
| 318 | /* KEY(row, col, key_code) */ |
| 319 | KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3), |
| 320 | KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7), |
| 321 | KEY(1, 2, KEY_8), KEY(2, 2, KEY_9), |
| 322 | |
| 323 | KEY(0, 3, KEY_KPASTERISK), /* * */ |
| 324 | KEY(2, 3, KEY_KPDOT), /* # */ |
| 325 | |
| 326 | KEY(5, 4, KEY_ENTER), |
| 327 | |
| 328 | KEY(5, 0, KEY_UP), |
| 329 | KEY(5, 1, KEY_DOWN), |
| 330 | KEY(5, 2, KEY_LEFT), |
| 331 | KEY(5, 3, KEY_RIGHT), |
| 332 | KEY(3, 2, KEY_HOME), |
| 333 | KEY(4, 1, KEY_END), |
| 334 | KEY(3, 3, KEY_BACK), |
| 335 | |
| 336 | KEY(4, 0, KEY_SEND), |
| 337 | KEY(4, 2, KEY_VOLUMEUP), |
| 338 | KEY(4, 3, KEY_VOLUMEDOWN), |
| 339 | |
| 340 | KEY(3, 0, KEY_F22), /* soft1 */ |
| 341 | KEY(3, 1, KEY_F23), /* soft2 */ |
| 342 | }; |
| 343 | |
| 344 | static struct pxa27x_keypad_platform_data littleton_keypad_info = { |
| 345 | .matrix_key_rows = 6, |
| 346 | .matrix_key_cols = 5, |
| 347 | .matrix_key_map = littleton_matrix_key_map, |
| 348 | .matrix_key_map_size = ARRAY_SIZE(littleton_matrix_key_map), |
| 349 | |
| 350 | .enable_rotary0 = 1, |
| 351 | .rotary0_up_key = KEY_UP, |
| 352 | .rotary0_down_key = KEY_DOWN, |
| 353 | |
| 354 | .debounce_interval = 30, |
| 355 | }; |
| 356 | static void __init littleton_init_keypad(void) |
| 357 | { |
| 358 | pxa_set_keypad_info(&littleton_keypad_info); |
| 359 | } |
| 360 | #else |
| 361 | static inline void littleton_init_keypad(void) {} |
| 362 | #endif |
| 363 | |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 364 | static void __init littleton_init(void) |
| 365 | { |
| 366 | /* initialize MFP configurations */ |
| 367 | pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg)); |
| 368 | |
| 369 | /* |
| 370 | * Note: we depend bootloader set the correct |
| 371 | * value to MSC register for SMC91x. |
| 372 | */ |
| 373 | platform_device_register(&smc91x_device); |
| 374 | |
| 375 | littleton_init_lcd(); |
eric miao | 5fa4151 | 2008-01-23 15:07:22 +0800 | [diff] [blame] | 376 | littleton_init_keypad(); |
eric miao | e1d9b95 | 2007-12-13 10:41:43 +0800 | [diff] [blame] | 377 | } |
| 378 | |
| 379 | MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)") |
| 380 | .phys_io = 0x40000000, |
| 381 | .boot_params = 0xa0000100, |
| 382 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 383 | .map_io = pxa_map_io, |
| 384 | .init_irq = pxa3xx_init_irq, |
| 385 | .timer = &pxa_timer, |
| 386 | .init_machine = littleton_init, |
| 387 | MACHINE_END |