arch/arm/mach-pxa/littleton.c

   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>
  40 #include <asm/arch/pxa27x_keypad.h>
  41 #include <asm/arch/pxa3xx_nand.h>
  42 #include <asm/arch/littleton.h>
  43
  44 #include "generic.h"
  45
  46 /* Littleton MFP configurations */
  47 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
  48         /* LCD */
  49         GPIO54_LCD_LDD_0,
  50         GPIO55_LCD_LDD_1,
  51         GPIO56_LCD_LDD_2,
  52         GPIO57_LCD_LDD_3,
  53         GPIO58_LCD_LDD_4,
  54         GPIO59_LCD_LDD_5,
  55         GPIO60_LCD_LDD_6,
  56         GPIO61_LCD_LDD_7,
  57         GPIO62_LCD_LDD_8,
  58         GPIO63_LCD_LDD_9,
  59         GPIO64_LCD_LDD_10,
  60         GPIO65_LCD_LDD_11,
  61         GPIO66_LCD_LDD_12,
  62         GPIO67_LCD_LDD_13,
  63         GPIO68_LCD_LDD_14,
  64         GPIO69_LCD_LDD_15,
  65         GPIO70_LCD_LDD_16,
  66         GPIO71_LCD_LDD_17,
  67         GPIO72_LCD_FCLK,
  68         GPIO73_LCD_LCLK,
  69         GPIO74_LCD_PCLK,
  70         GPIO75_LCD_BIAS,
  71
  72         /* SSP2 */
  73         GPIO25_SSP2_SCLK,
  74         GPIO17_SSP2_FRM,
  75         GPIO27_SSP2_TXD,
  76
  77         /* Debug Ethernet */
  78         GPIO90_GPIO,
  79
  80         /* Keypad */
  81         GPIO107_KP_DKIN_0,
  82         GPIO108_KP_DKIN_1,
  83         GPIO115_KP_MKIN_0,
  84         GPIO116_KP_MKIN_1,
  85         GPIO117_KP_MKIN_2,
  86         GPIO118_KP_MKIN_3,
  87         GPIO119_KP_MKIN_4,
  88         GPIO120_KP_MKIN_5,
  89         GPIO121_KP_MKOUT_0,
  90         GPIO122_KP_MKOUT_1,
  91         GPIO123_KP_MKOUT_2,
  92         GPIO124_KP_MKOUT_3,
  93         GPIO125_KP_MKOUT_4,
  94 };
  95
  96 static struct resource smc91x_resources[] = {
  97         [0] = {
  98                 .start  = (LITTLETON_ETH_PHYS + 0x300),
  99                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 100                 .flags  = IORESOURCE_MEM,
 101         },
 102         [1] = {
 103                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 104                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 105                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 106         }
 107 };
 108
 109 static struct platform_device smc91x_device = {
 110         .name           = "smc91x",
 111         .id             = 0,
 112         .num_resources  = ARRAY_SIZE(smc91x_resources),
 113         .resource       = smc91x_resources,
 114 };
 115
 116 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 117 /* use bit 30, 31 as the indicator of command parameter number */
 118 #define CMD0(x)         ((0x00000000) | ((x) << 9))
 119 #define CMD1(x, x1)     ((0x40000000) | ((x) << 9) | 0x100 | (x1))
 120 #define CMD2(x, x1, x2) ((0x80000000) | ((x) << 18) | 0x20000 |\
 121                          ((x1) << 9) | 0x100 | (x2))
 122
 123 static uint32_t lcd_panel_reset[] = {
 124         CMD0(0x1), /* reset */
 125         CMD0(0x0), /* nop */
 126         CMD0(0x0), /* nop */
 127         CMD0(0x0), /* nop */
 128 };
 129
 130 static uint32_t lcd_panel_on[] = {
 131         CMD0(0x29),             /* Display ON */
 132         CMD2(0xB8, 0xFF, 0xF9), /* Output Control */
 133         CMD0(0x11),             /* Sleep out */
 134         CMD1(0xB0, 0x16),       /* Wake */
 135 };
 136
 137 static uint32_t lcd_panel_off[] = {
 138         CMD0(0x28),             /* Display OFF */
 139         CMD2(0xB8, 0x80, 0x02), /* Output Control */
 140         CMD0(0x10),             /* Sleep in */
 141         CMD1(0xB0, 0x00),       /* Deep stand by in */
 142 };
 143
 144 static uint32_t lcd_vga_pass_through[] = {
 145         CMD1(0xB0, 0x16),
 146         CMD1(0xBC, 0x80),
 147         CMD1(0xE1, 0x00),
 148         CMD1(0x36, 0x50),
 149         CMD1(0x3B, 0x00),
 150 };
 151
 152 static uint32_t lcd_qvga_pass_through[] = {
 153         CMD1(0xB0, 0x16),
 154         CMD1(0xBC, 0x81),
 155         CMD1(0xE1, 0x00),
 156         CMD1(0x36, 0x50),
 157         CMD1(0x3B, 0x22),
 158 };
 159
 160 static uint32_t lcd_vga_transfer[] = {
 161         CMD1(0xcf, 0x02),       /* Blanking period control (1) */
 162         CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */
 163         CMD1(0xd1, 0x01),       /* CKV timing control on/off */
 164         CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */
 165         CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */
 166         CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */
 167         CMD1(0xd5, 0x14),       /* ASW timing control (2) */
 168         CMD0(0x21),             /* Invert for normally black display */
 169         CMD0(0x29),             /* Display on */
 170 };
 171
 172 static uint32_t lcd_qvga_transfer[] = {
 173         CMD1(0xd6, 0x02),       /* Blanking period control (1) */
 174         CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */
 175         CMD1(0xd8, 0x01),       /* CKV timing control on/off */
 176         CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */
 177         CMD2(0xde, 0x05, 0x0a), /* OEV timing control */
 178         CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */
 179         CMD1(0xe0, 0x0a),       /* ASW timing control (2) */
 180         CMD0(0x21),             /* Invert for normally black display */
 181         CMD0(0x29),             /* Display on */
 182 };
 183
 184 static uint32_t lcd_panel_config[] = {
 185         CMD2(0xb8, 0xff, 0xf9), /* Output control */
 186         CMD0(0x11),             /* sleep out */
 187         CMD1(0xba, 0x01),       /* Display mode (1) */
 188         CMD1(0xbb, 0x00),       /* Display mode (2) */
 189         CMD1(0x3a, 0x60),       /* Display mode 18-bit RGB */
 190         CMD1(0xbf, 0x10),       /* Drive system change control */
 191         CMD1(0xb1, 0x56),       /* Booster operation setup */
 192         CMD1(0xb2, 0x33),       /* Booster mode setup */
 193         CMD1(0xb3, 0x11),       /* Booster frequency setup */
 194         CMD1(0xb4, 0x02),       /* Op amp/system clock */
 195         CMD1(0xb5, 0x35),       /* VCS voltage */
 196         CMD1(0xb6, 0x40),       /* VCOM voltage */
 197         CMD1(0xb7, 0x03),       /* External display signal */
 198         CMD1(0xbd, 0x00),       /* ASW slew rate */
 199         CMD1(0xbe, 0x00),       /* Dummy data for QuadData operation */
 200         CMD1(0xc0, 0x11),       /* Sleep out FR count (A) */
 201         CMD1(0xc1, 0x11),       /* Sleep out FR count (B) */
 202         CMD1(0xc2, 0x11),       /* Sleep out FR count (C) */
 203         CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */
 204         CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */
 205         CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */
 206         CMD1(0xc6, 0xc0),       /* Sleep out FR count (G) */
 207         CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */
 208         CMD1(0xc8, 0x44),       /* Gamma 1 fine tuning (2) */
 209         CMD1(0xc9, 0x33),       /* Gamma 1 inclination adjustment */
 210         CMD1(0xca, 0x00),       /* Gamma 1 blue offset adjustment */
 211         CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */
 212 };
 213
 214 static void ssp_reconfig(struct ssp_dev *dev, int nparam)
 215 {
 216         static int last_nparam = -1;
 217
 218         /* check if it is necessary to re-config SSP */
 219         if (nparam == last_nparam)
 220                 return;
 221
 222         ssp_disable(dev);
 223         ssp_config(dev, (nparam == 2) ? 0x0010058a : 0x00100581, 0x18, 0, 0);
 224
 225         last_nparam = nparam;
 226 }
 227
 228 static void ssp_send_cmd(uint32_t *cmd, int num)
 229 {
 230         static int ssp_initialized;
 231         static struct ssp_dev ssp2;
 232
 233         int i;
 234
 235         if (!ssp_initialized) {
 236                 ssp_init(&ssp2, 2, SSP_NO_IRQ);
 237                 ssp_initialized = 1;
 238         }
 239
 240         clk_enable(ssp2.ssp->clk);
 241         for (i = 0; i < num; i++, cmd++) {
 242                 ssp_reconfig(&ssp2, (*cmd >> 30) & 0x3);
 243                 ssp_write_word(&ssp2, *cmd & 0x3fffffff);
 244
 245                 /* FIXME: ssp_flush() is mandatory here to work */
 246                 ssp_flush(&ssp2);
 247         }
 248         clk_disable(ssp2.ssp->clk);
 249 }
 250
 251 static void littleton_lcd_power(int on, struct fb_var_screeninfo *var)
 252 {
 253         if (on) {
 254                 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_on));
 255                 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_reset));
 256                 if (var->xres > 240) {
 257                         /* VGA */
 258                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_pass_through));
 259                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config));
 260                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_vga_transfer));
 261                 } else {
 262                         /* QVGA */
 263                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_pass_through));
 264                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_config));
 265                         ssp_send_cmd(ARRAY_AND_SIZE(lcd_qvga_transfer));
 266                 }
 267         } else
 268                 ssp_send_cmd(ARRAY_AND_SIZE(lcd_panel_off));
 269 }
 270
 271 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 272         [0] = {
 273                 /* VGA */
 274                 .pixclock       = 38250,
 275                 .xres           = 480,
 276                 .yres           = 640,
 277                 .bpp            = 16,
 278                 .hsync_len      = 8,
 279                 .left_margin    = 8,
 280                 .right_margin   = 24,
 281                 .vsync_len      = 2,
 282                 .upper_margin   = 2,
 283                 .lower_margin   = 4,
 284                 .sync           = 0,
 285         },
 286         [1] = {
 287                 /* QVGA */
 288                 .pixclock       = 153000,
 289                 .xres           = 240,
 290                 .yres           = 320,
 291                 .bpp            = 16,
 292                 .hsync_len      = 8,
 293                 .left_margin    = 8,
 294                 .right_margin   = 88,
 295                 .vsync_len      = 2,
 296                 .upper_margin   = 2,
 297                 .lower_margin   = 2,
 298                 .sync           = 0,
 299         },
 300 };
 301
 302 static struct pxafb_mach_info littleton_lcd_info = {
 303         .modes                  = tpo_tdo24mtea1_modes,
 304         .num_modes              = 2,
 305         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 306         .pxafb_lcd_power        = littleton_lcd_power,
 307 };
 308
 309 static void littleton_init_lcd(void)
 310 {
 311         set_pxa_fb_info(&littleton_lcd_info);
 312 }
 313 #else
 314 static inline void littleton_init_lcd(void) {};
 315 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 316
 317 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 318 static unsigned int littleton_matrix_key_map[] = {
 319         /* KEY(row, col, key_code) */
 320         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
 321         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
 322         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
 323
 324         KEY(0, 3, KEY_KPASTERISK),      /* * */
 325         KEY(2, 3, KEY_KPDOT),           /* # */
 326
 327         KEY(5, 4, KEY_ENTER),
 328
 329         KEY(5, 0, KEY_UP),
 330         KEY(5, 1, KEY_DOWN),
 331         KEY(5, 2, KEY_LEFT),
 332         KEY(5, 3, KEY_RIGHT),
 333         KEY(3, 2, KEY_HOME),
 334         KEY(4, 1, KEY_END),
 335         KEY(3, 3, KEY_BACK),
 336
 337         KEY(4, 0, KEY_SEND),
 338         KEY(4, 2, KEY_VOLUMEUP),
 339         KEY(4, 3, KEY_VOLUMEDOWN),
 340
 341         KEY(3, 0, KEY_F22),     /* soft1 */
 342         KEY(3, 1, KEY_F23),     /* soft2 */
 343 };
 344
 345 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
 346         .matrix_key_rows        = 6,
 347         .matrix_key_cols        = 5,
 348         .matrix_key_map         = littleton_matrix_key_map,
 349         .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),
 350
 351         .enable_rotary0         = 1,
 352         .rotary0_up_key         = KEY_UP,
 353         .rotary0_down_key       = KEY_DOWN,
 354
 355         .debounce_interval      = 30,
 356 };
 357 static void __init littleton_init_keypad(void)
 358 {
 359         pxa_set_keypad_info(&littleton_keypad_info);
 360 }
 361 #else
 362 static inline void littleton_init_keypad(void) {}
 363 #endif
 364
 365 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 366 static struct mtd_partition littleton_nand_partitions[] = {
 367         [0] = {
 368                 .name        = "Bootloader",
 369                 .offset      = 0,
 370                 .size        = 0x060000,
 371                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 372         },
 373         [1] = {
 374                 .name        = "Kernel",
 375                 .offset      = 0x060000,
 376                 .size        = 0x200000,
 377                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 378         },
 379         [2] = {
 380                 .name        = "Filesystem",
 381                 .offset      = 0x0260000,
 382                 .size        = 0x3000000,     /* 48M - rootfs */
 383         },
 384         [3] = {
 385                 .name        = "MassStorage",
 386                 .offset      = 0x3260000,
 387                 .size        = 0x3d40000,
 388         },
 389         [4] = {
 390                 .name        = "BBT",
 391                 .offset      = 0x6FA0000,
 392                 .size        = 0x80000,
 393                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 394         },
 395         /* NOTE: we reserve some blocks at the end of the NAND flash for
 396          * bad block management, and the max number of relocation blocks
 397          * differs on different platforms. Please take care with it when
 398          * defining the partition table.
 399          */
 400 };
 401
 402 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 403         .enable_arbiter = 1,
 404         .parts          = littleton_nand_partitions,
 405         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 406 };
 407
 408 static void __init littleton_init_nand(void)
 409 {
 410         pxa3xx_set_nand_info(&littleton_nand_info);
 411 }
 412 #else
 413 static inline void littleton_init_nand(void) {}
 414 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
 415
 416 static void __init littleton_init(void)
 417 {
 418         /* initialize MFP configurations */
 419         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 420
 421         /*
 422          * Note: we depend bootloader set the correct
 423          * value to MSC register for SMC91x.
 424          */
 425         platform_device_register(&smc91x_device);
 426
 427         littleton_init_lcd();
 428         littleton_init_keypad();
 429         littleton_init_nand();
 430 }
 431
 432 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 433         .phys_io        = 0x40000000,
 434         .boot_params    = 0xa0000100,
 435         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 436         .map_io         = pxa_map_io,
 437         .init_irq       = pxa3xx_init_irq,
 438         .timer          = &pxa_timer,
 439         .init_machine   = littleton_init,
 440 MACHINE_END