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 <mach/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 <mach/board.h>
  31 #include <mach/gpio.h>
  32 #include <mach/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         /* Setup the serial ports and console */
  43         at91_init_uarts();
  44 }
  45
  46 static void __init ek_init_irq(void)
  47 {
  48         at91sam9rl_init_interrupts(NULL);
  49 }
  50
  51
  52 /*
  53  * USB HS Device port
  54  */
  55 static struct usba_platform_data __initdata ek_usba_udc_data = {
  56         .vbus_pin       = AT91_PIN_PA8,
  57 };
  58
  59
  60 /*
  61  * MCI (SD/MMC)
  62  */
  63 static struct at91_mmc_data __initdata ek_mmc_data = {
  64         .wire4          = 1,
  65         .det_pin        = AT91_PIN_PA15,
  66 //      .wp_pin         = ... not connected
  67 //      .vcc_pin        = ... not connected
  68 };
  69
  70
  71 /*
  72  * NAND flash
  73  */
  74 static struct mtd_partition __initdata ek_nand_partition[] = {
  75         {
  76                 .name   = "Partition 1",
  77                 .offset = 0,
  78                 .size   = 256 * 1024,
  79         },
  80         {
  81                 .name   = "Partition 2",
  82                 .offset = 256 * 1024 ,
  83                 .size   = MTDPART_SIZ_FULL,
  84         },
  85 };
  86
  87 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
  88 {
  89         *num_partitions = ARRAY_SIZE(ek_nand_partition);
  90         return ek_nand_partition;
  91 }
  92
  93 static struct atmel_nand_data __initdata ek_nand_data = {
  94         .ale            = 21,
  95         .cle            = 22,
  96 //      .det_pin        = ... not connected
  97         .rdy_pin        = AT91_PIN_PD17,
  98         .enable_pin     = AT91_PIN_PB6,
  99         .partition_info = nand_partitions,
 100         .bus_width_16   = 0,
 101 };
 102
 103
 104 /*
 105  * SPI devices
 106  */
 107 static struct spi_board_info ek_spi_devices[] = {
 108         {       /* DataFlash chip */
 109                 .modalias       = "mtd_dataflash",
 110                 .chip_select    = 0,
 111                 .max_speed_hz   = 15 * 1000 * 1000,
 112                 .bus_num        = 0,
 113         },
 114 };
 115
 116
 117 /*
 118  * LCD Controller
 119  */
 120 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 121 static struct fb_videomode at91_tft_vga_modes[] = {
 122         {
 123                 .name           = "TX09D50VM1CCA @ 60",
 124                 .refresh        = 60,
 125                 .xres           = 240,          .yres           = 320,
 126                 .pixclock       = KHZ2PICOS(4965),
 127
 128                 .left_margin    = 1,            .right_margin   = 33,
 129                 .upper_margin   = 1,            .lower_margin   = 0,
 130                 .hsync_len      = 5,            .vsync_len      = 1,
 131
 132                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 133                 .vmode          = FB_VMODE_NONINTERLACED,
 134         },
 135 };
 136
 137 static struct fb_monspecs at91fb_default_monspecs = {
 138         .manufacturer   = "HIT",
 139         .monitor        = "TX09D50VM1CCA",
 140
 141         .modedb         = at91_tft_vga_modes,
 142         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 143         .hfmin          = 15000,
 144         .hfmax          = 64000,
 145         .vfmin          = 50,
 146         .vfmax          = 150,
 147 };
 148
 149 #define AT91SAM9RL_DEFAULT_LCDCON2      (ATMEL_LCDC_MEMOR_LITTLE \
 150                                         | ATMEL_LCDC_DISTYPE_TFT \
 151                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 152
 153 static void at91_lcdc_power_control(int on)
 154 {
 155         if (on)
 156                 at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
 157         else
 158                 at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
 159 }
 160
 161 /* Driver datas */
 162 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 163         .default_bpp                    = 16,
 164         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 165         .default_lcdcon2                = AT91SAM9RL_DEFAULT_LCDCON2,
 166         .default_monspecs               = &at91fb_default_monspecs,
 167         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
 168         .guard_time                     = 1,
 169 };
 170
 171 #else
 172 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 173 #endif
 174
 175
 176 static void __init ek_board_init(void)
 177 {
 178         /* Serial */
 179         at91_add_device_serial();
 180         /* USB HS */
 181         at91_add_device_usba(&ek_usba_udc_data);
 182         /* I2C */
 183         at91_add_device_i2c(NULL, 0);
 184         /* NAND */
 185         at91_add_device_nand(&ek_nand_data);
 186         /* SPI */
 187         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 188         /* MMC */
 189         at91_add_device_mmc(0, &ek_mmc_data);
 190         /* LCD Controller */
 191         at91_add_device_lcdc(&ek_lcdc_data);
 192 }
 193
 194 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
 195         /* Maintainer: Atmel */
 196         .phys_io        = AT91_BASE_SYS,
 197         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 198         .boot_params    = AT91_SDRAM_BASE + 0x100,
 199         .timer          = &at91sam926x_timer,
 200         .map_io         = ek_map_io,
 201         .init_irq       = ek_init_irq,
 202         .init_machine   = ek_board_init,
 203 MACHINE_END