git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-at91/board-sam9rlek.c

   1 /*
   2  *  Copyright (C) 2005 SAN People
   3  *  Copyright (C) 2007 Atmel Corporation
   4  *
   5  * This file is subject to the terms and conditions of the GNU General Public
   6  * License.  See the file COPYING in the main directory of this archive for
   7  * more details.
   8  */
   9
  10 #include <linux/types.h>
  11 #include <linux/init.h>
  12 #include <linux/mm.h>
  13 #include <linux/module.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/fb.h>
  17 #include <linux/clk.h>
  18
  19 #include <video/atmel_lcdc.h>
  20
  21 #include <asm/hardware.h>
  22 #include <asm/setup.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/irq.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/mach/irq.h>
  29
  30 #include <asm/arch/board.h>
  31 #include <asm/arch/gpio.h>
  32 #include <asm/arch/at91sam9_smc.h>
  33
  34 #include "generic.h"
  35
  36
  37 static void __init ek_map_io(void)
  38 {
  39         /* Initialize processor: 12.000 MHz crystal */
  40         at91sam9rl_initialize(12000000);
  41
  42         /* DGBU on ttyS0. (Rx & Tx only) */
  43         at91_register_uart(0, 0, 0);
  44
  45         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
  46         at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
  47
  48         /* set serial console to ttyS0 (ie, DBGU) */
  49         at91_set_serial_console(0);
  50 }
  51
  52 static void __init ek_init_irq(void)
  53 {
  54         at91sam9rl_init_interrupts(NULL);
  55 }
  56
  57
  58 /*
  59  * USB HS Device port
  60  */
  61 static struct usba_platform_data __initdata ek_usba_udc_data = {
  62         .vbus_pin       = AT91_PIN_PA8,
  63 };
  64
  65
  66 /*
  67  * MCI (SD/MMC)
  68  */
  69 static struct at91_mmc_data __initdata ek_mmc_data = {
  70         .wire4          = 1,
  71         .det_pin        = AT91_PIN_PA15,
  72 //      .wp_pin         = ... not connected
  73 //      .vcc_pin        = ... not connected
  74 };
  75
  76
  77 /*
  78  * NAND flash
  79  */
  80 static struct mtd_partition __initdata ek_nand_partition[] = {
  81         {
  82                 .name   = "Partition 1",
  83                 .offset = 0,
  84                 .size   = 256 * 1024,
  85         },
  86         {
  87                 .name   = "Partition 2",
  88                 .offset = 256 * 1024 ,
  89                 .size   = MTDPART_SIZ_FULL,
  90         },
  91 };
  92
  93 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
  94 {
  95         *num_partitions = ARRAY_SIZE(ek_nand_partition);
  96         return ek_nand_partition;
  97 }
  98
  99 static struct atmel_nand_data __initdata ek_nand_data = {
 100         .ale            = 21,
 101         .cle            = 22,
 102 //      .det_pin        = ... not connected
 103         .rdy_pin        = AT91_PIN_PD17,
 104         .enable_pin     = AT91_PIN_PB6,
 105         .partition_info = nand_partitions,
 106         .bus_width_16   = 0,
 107 };
 108
 109
 110 /*
 111  * SPI devices
 112  */
 113 static struct spi_board_info ek_spi_devices[] = {
 114         {       /* DataFlash chip */
 115                 .modalias       = "mtd_dataflash",
 116                 .chip_select    = 0,
 117                 .max_speed_hz   = 15 * 1000 * 1000,
 118                 .bus_num        = 0,
 119         },
 120 };
 121
 122
 123 /*
 124  * LCD Controller
 125  */
 126 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 127 static struct fb_videomode at91_tft_vga_modes[] = {
 128         {
 129                 .name           = "TX09D50VM1CCA @ 60",
 130                 .refresh        = 60,
 131                 .xres           = 240,          .yres           = 320,
 132                 .pixclock       = KHZ2PICOS(4965),
 133
 134                 .left_margin    = 1,            .right_margin   = 33,
 135                 .upper_margin   = 1,            .lower_margin   = 0,
 136                 .hsync_len      = 5,            .vsync_len      = 1,
 137
 138                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 139                 .vmode          = FB_VMODE_NONINTERLACED,
 140         },
 141 };
 142
 143 static struct fb_monspecs at91fb_default_monspecs = {
 144         .manufacturer   = "HIT",
 145         .monitor        = "TX09D50VM1CCA",
 146
 147         .modedb         = at91_tft_vga_modes,
 148         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 149         .hfmin          = 15000,
 150         .hfmax          = 64000,
 151         .vfmin          = 50,
 152         .vfmax          = 150,
 153 };
 154
 155 #define AT91SAM9RL_DEFAULT_LCDCON2      (ATMEL_LCDC_MEMOR_LITTLE \
 156                                         | ATMEL_LCDC_DISTYPE_TFT \
 157                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 158
 159 static void at91_lcdc_power_control(int on)
 160 {
 161         if (on)
 162                 at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
 163         else
 164                 at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
 165 }
 166
 167 /* Driver datas */
 168 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 169         .default_bpp                    = 16,
 170         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 171         .default_lcdcon2                = AT91SAM9RL_DEFAULT_LCDCON2,
 172         .default_monspecs               = &at91fb_default_monspecs,
 173         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
 174         .guard_time                     = 1,
 175 };
 176
 177 #else
 178 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 179 #endif
 180
 181
 182 static void __init ek_board_init(void)
 183 {
 184         /* Serial */
 185         at91_add_device_serial();
 186         /* USB HS */
 187         at91_add_device_usba(&ek_usba_udc_data);
 188         /* I2C */
 189         at91_add_device_i2c(NULL, 0);
 190         /* NAND */
 191         at91_add_device_nand(&ek_nand_data);
 192         /* SPI */
 193         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 194         /* MMC */
 195         at91_add_device_mmc(0, &ek_mmc_data);
 196         /* LCD Controller */
 197         at91_add_device_lcdc(&ek_lcdc_data);
 198 }
 199
 200 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
 201         /* Maintainer: Atmel */
 202         .phys_io        = AT91_BASE_SYS,
 203         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 204         .boot_params    = AT91_SDRAM_BASE + 0x100,
 205         .timer          = &at91sam926x_timer,
 206         .map_io         = ek_map_io,
 207         .init_irq       = ek_init_irq,
 208         .init_machine   = ek_board_init,
 209 MACHINE_END