arch/arm/mach-pxa/zylonite.c

   1 /*
   2  * linux/arch/arm/mach-pxa/zylonite.c
   3  *
   4  * Support for the PXA3xx Development Platform (aka Zylonite)
   5  *
   6  * Copyright (C) 2006 Marvell International Ltd.
   7  *
   8  * 2007-09-04: eric miao <eric.miao@marvell.com>
   9  *             rewrite to align with latest kernel
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/hardware.h>
  25 #include <asm/arch/gpio.h>
  26 #include <asm/arch/pxafb.h>
  27 #include <asm/arch/zylonite.h>
  28 #include <asm/arch/mmc.h>
  29 #include <asm/arch/pxa27x_keypad.h>
  30
  31 #include "generic.h"
  32
  33 #define MAX_SLOTS       3
  34 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
  35
  36 int gpio_backlight;
  37 int gpio_eth_irq;
  38
  39 int lcd_id;
  40 int lcd_orientation;
  41
  42 static struct resource smc91x_resources[] = {
  43         [0] = {
  44                 .start  = ZYLONITE_ETH_PHYS + 0x300,
  45                 .end    = ZYLONITE_ETH_PHYS + 0xfffff,
  46                 .flags  = IORESOURCE_MEM,
  47         },
  48         [1] = {
  49                 .start  = -1,   /* for run-time assignment */
  50                 .end    = -1,
  51                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  52         }
  53 };
  54
  55 static struct platform_device smc91x_device = {
  56         .name           = "smc91x",
  57         .id             = 0,
  58         .num_resources  = ARRAY_SIZE(smc91x_resources),
  59         .resource       = smc91x_resources,
  60 };
  61
  62 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
  63 static void zylonite_backlight_power(int on)
  64 {
  65         gpio_set_value(gpio_backlight, on);
  66 }
  67
  68 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
  69         .pixclock               = 110000,
  70         .xres                   = 240,
  71         .yres                   = 320,
  72         .bpp                    = 16,
  73         .hsync_len              = 4,
  74         .left_margin            = 6,
  75         .right_margin           = 4,
  76         .vsync_len              = 2,
  77         .upper_margin           = 2,
  78         .lower_margin           = 3,
  79         .sync                   = FB_SYNC_VERT_HIGH_ACT,
  80 };
  81
  82 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
  83         .pixclock               = 50000,
  84         .xres                   = 640,
  85         .yres                   = 480,
  86         .bpp                    = 16,
  87         .hsync_len              = 1,
  88         .left_margin            = 0x9f,
  89         .right_margin           = 1,
  90         .vsync_len              = 44,
  91         .upper_margin           = 0,
  92         .lower_margin           = 0,
  93         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
  94 };
  95
  96 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
  97         .num_modes              = 1,
  98         .lccr0                  = LCCR0_Act,
  99         .lccr3                  = LCCR3_PCP,
 100         .pxafb_backlight_power  = zylonite_backlight_power,
 101 };
 102
 103 static struct pxafb_mode_info sharp_ls037_modes[] = {
 104         [0] = {
 105                 .pixclock       = 158000,
 106                 .xres           = 240,
 107                 .yres           = 320,
 108                 .bpp            = 16,
 109                 .hsync_len      = 4,
 110                 .left_margin    = 39,
 111                 .right_margin   = 39,
 112                 .vsync_len      = 1,
 113                 .upper_margin   = 2,
 114                 .lower_margin   = 3,
 115                 .sync           = 0,
 116         },
 117         [1] = {
 118                 .pixclock       = 39700,
 119                 .xres           = 480,
 120                 .yres           = 640,
 121                 .bpp            = 16,
 122                 .hsync_len      = 8,
 123                 .left_margin    = 81,
 124                 .right_margin   = 81,
 125                 .vsync_len      = 1,
 126                 .upper_margin   = 2,
 127                 .lower_margin   = 7,
 128                 .sync           = 0,
 129         },
 130 };
 131
 132 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
 133         .modes                  = sharp_ls037_modes,
 134         .num_modes              = 2,
 135         .lccr0                  = LCCR0_Act,
 136         .lccr3                  = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
 137         .pxafb_backlight_power  = zylonite_backlight_power,
 138 };
 139
 140 static void __init zylonite_init_lcd(void)
 141 {
 142         /* backlight GPIO: output, default on */
 143         gpio_direction_output(gpio_backlight, 1);
 144
 145         if (lcd_id & 0x20) {
 146                 set_pxa_fb_info(&zylonite_sharp_lcd_info);
 147                 return;
 148         }
 149
 150         /* legacy LCD panels, it would be handy here if LCD panel type can
 151          * be decided at run-time
 152          */
 153         if (1)
 154                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
 155         else
 156                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
 157
 158         set_pxa_fb_info(&zylonite_toshiba_lcd_info);
 159 }
 160 #else
 161 static inline void zylonite_init_lcd(void) {}
 162 #endif
 163
 164 #if defined(CONFIG_MMC)
 165 static int zylonite_mci_ro(struct device *dev)
 166 {
 167         struct platform_device *pdev = to_platform_device(dev);
 168
 169         return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
 170 }
 171
 172 static int zylonite_mci_init(struct device *dev,
 173                              irq_handler_t zylonite_detect_int,
 174                              void *data)
 175 {
 176         struct platform_device *pdev = to_platform_device(dev);
 177         int err, cd_irq, gpio_cd, gpio_wp;
 178
 179         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 180         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 181         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 182
 183         /*
 184          * setup GPIO for Zylonite MMC controller
 185          */
 186         err = gpio_request(gpio_cd, "mmc card detect");
 187         if (err)
 188                 goto err_request_cd;
 189         gpio_direction_input(gpio_cd);
 190
 191         err = gpio_request(gpio_wp, "mmc write protect");
 192         if (err)
 193                 goto err_request_wp;
 194         gpio_direction_input(gpio_wp);
 195
 196         err = request_irq(cd_irq, zylonite_detect_int,
 197                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 198                           "MMC card detect", data);
 199         if (err) {
 200                 printk(KERN_ERR "%s: MMC/SD/SDIO: "
 201                                 "can't request card detect IRQ\n", __func__);
 202                 goto err_request_irq;
 203         }
 204
 205         return 0;
 206
 207 err_request_irq:
 208         gpio_free(gpio_wp);
 209 err_request_wp:
 210         gpio_free(gpio_cd);
 211 err_request_cd:
 212         return err;
 213 }
 214
 215 static void zylonite_mci_exit(struct device *dev, void *data)
 216 {
 217         struct platform_device *pdev = to_platform_device(dev);
 218         int cd_irq, gpio_cd, gpio_wp;
 219
 220         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 221         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 222         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 223
 224         free_irq(cd_irq, data);
 225         gpio_free(gpio_cd);
 226         gpio_free(gpio_wp);
 227 }
 228
 229 static struct pxamci_platform_data zylonite_mci_platform_data = {
 230         .detect_delay   = 20,
 231         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 232         .init           = zylonite_mci_init,
 233         .exit           = zylonite_mci_exit,
 234         .get_ro         = zylonite_mci_ro,
 235 };
 236
 237 static struct pxamci_platform_data zylonite_mci2_platform_data = {
 238         .detect_delay   = 20,
 239         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 240 };
 241
 242 static void __init zylonite_init_mmc(void)
 243 {
 244         pxa_set_mci_info(&zylonite_mci_platform_data);
 245         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
 246         if (cpu_is_pxa310())
 247                 pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
 248 }
 249 #else
 250 static inline void zylonite_init_mmc(void) {}
 251 #endif
 252
 253 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULES)
 254 static unsigned int zylonite_matrix_key_map[] = {
 255         /* KEY(row, col, key_code) */
 256         KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
 257         KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
 258         KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
 259         KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
 260         KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
 261         KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
 262         KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
 263
 264         KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
 265         KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
 266         KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
 267
 268         KEY(4, 5, KEY_SPACE),
 269         KEY(5, 3, KEY_KPASTERISK),      /* * */
 270         KEY(5, 4, KEY_KPDOT),           /* #" */
 271
 272         KEY(0, 7, KEY_UP),
 273         KEY(1, 7, KEY_DOWN),
 274         KEY(2, 7, KEY_LEFT),
 275         KEY(3, 7, KEY_RIGHT),
 276         KEY(2, 6, KEY_HOME),
 277         KEY(3, 6, KEY_END),
 278         KEY(6, 4, KEY_DELETE),
 279         KEY(6, 6, KEY_BACK),
 280         KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
 281
 282         KEY(4, 6, KEY_ENTER),           /* scroll push */
 283         KEY(5, 7, KEY_ENTER),           /* keypad action */
 284
 285         KEY(0, 4, KEY_EMAIL),
 286         KEY(5, 6, KEY_SEND),
 287         KEY(4, 0, KEY_CALENDAR),
 288         KEY(7, 6, KEY_RECORD),
 289         KEY(6, 7, KEY_VOLUMEUP),
 290         KEY(7, 7, KEY_VOLUMEDOWN),
 291
 292         KEY(0, 6, KEY_F22),     /* soft1 */
 293         KEY(1, 6, KEY_F23),     /* soft2 */
 294         KEY(0, 3, KEY_AUX),     /* contact */
 295 };
 296
 297 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
 298         .matrix_key_rows        = 8,
 299         .matrix_key_cols        = 8,
 300         .matrix_key_map         = zylonite_matrix_key_map,
 301         .matrix_key_map_size    = ARRAY_SIZE(zylonite_matrix_key_map),
 302
 303         .enable_rotary0         = 1,
 304         .rotary0_up_key         = KEY_UP,
 305         .rotary0_down_key       = KEY_DOWN,
 306
 307         .debounce_interval      = 30,
 308 };
 309
 310 static void __init zylonite_init_keypad(void)
 311 {
 312         pxa_set_keypad_info(&zylonite_keypad_info);
 313 }
 314 #else
 315 static inline void zylonite_init_keypad(void) {}
 316 #endif
 317
 318 static void __init zylonite_init(void)
 319 {
 320         /* board-processor specific initialization */
 321         zylonite_pxa300_init();
 322         zylonite_pxa320_init();
 323
 324         /*
 325          * Note: We depend that the bootloader set
 326          * the correct value to MSC register for SMC91x.
 327          */
 328         smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
 329         smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
 330         platform_device_register(&smc91x_device);
 331
 332         zylonite_init_lcd();
 333         zylonite_init_mmc();
 334         zylonite_init_keypad();
 335 }
 336
 337 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
 338         .phys_io        = 0x40000000,
 339         .boot_params    = 0xa0000100,
 340         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 341         .map_io         = pxa_map_io,
 342         .init_irq       = pxa3xx_init_irq,
 343         .timer          = &pxa_timer,
 344         .init_machine   = zylonite_init,
 345 MACHINE_END