linux/arch/arm/mach-sa1100/shannon.c
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   1/*
   2 * linux/arch/arm/mach-sa1100/shannon.c
   3 */
   4
   5#include <linux/init.h>
   6#include <linux/device.h>
   7#include <linux/kernel.h>
   8#include <linux/platform_data/sa11x0-serial.h>
   9#include <linux/tty.h>
  10#include <linux/mtd/mtd.h>
  11#include <linux/mtd/partitions.h>
  12
  13#include <video/sa1100fb.h>
  14
  15#include <mach/hardware.h>
  16#include <asm/mach-types.h>
  17#include <asm/setup.h>
  18
  19#include <asm/mach/arch.h>
  20#include <asm/mach/flash.h>
  21#include <asm/mach/map.h>
  22#include <linux/platform_data/mfd-mcp-sa11x0.h>
  23#include <mach/shannon.h>
  24#include <mach/irqs.h>
  25
  26#include "generic.h"
  27
  28static struct mtd_partition shannon_partitions[] = {
  29        {
  30                .name           = "BLOB boot loader",
  31                .offset         = 0,
  32                .size           = 0x20000
  33        },
  34        {
  35                .name           = "kernel",
  36                .offset         = MTDPART_OFS_APPEND,
  37                .size           = 0xe0000
  38        },
  39        {
  40                .name           = "initrd",
  41                .offset         = MTDPART_OFS_APPEND,   
  42                .size           = MTDPART_SIZ_FULL
  43        }
  44};
  45
  46static struct flash_platform_data shannon_flash_data = {
  47        .map_name       = "cfi_probe",
  48        .parts          = shannon_partitions,
  49        .nr_parts       = ARRAY_SIZE(shannon_partitions),
  50};
  51
  52static struct resource shannon_flash_resource =
  53        DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_4M);
  54
  55static struct mcp_plat_data shannon_mcp_data = {
  56        .mccr0          = MCCR0_ADM,
  57        .sclk_rate      = 11981000,
  58};
  59
  60static struct sa1100fb_mach_info shannon_lcd_info = {
  61        .pixclock       = 152500,       .bpp            = 8,
  62        .xres           = 640,          .yres           = 480,
  63
  64        .hsync_len      = 4,            .vsync_len      = 3,
  65        .left_margin    = 2,            .upper_margin   = 0,
  66        .right_margin   = 1,            .lower_margin   = 0,
  67
  68        .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  69
  70        .lccr0          = LCCR0_Color | LCCR0_Dual | LCCR0_Pas,
  71        .lccr3          = LCCR3_ACBsDiv(512),
  72};
  73
  74static void __init shannon_init(void)
  75{
  76        sa11x0_ppc_configure_mcp();
  77        sa11x0_register_lcd(&shannon_lcd_info);
  78        sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
  79        sa11x0_register_mcp(&shannon_mcp_data);
  80}
  81
  82static void __init shannon_map_io(void)
  83{
  84        sa1100_map_io();
  85
  86        sa1100_register_uart(0, 3);
  87        sa1100_register_uart(1, 1);
  88
  89        Ser1SDCR0 |= SDCR0_SUS;
  90        GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
  91        GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
  92        GPDR &= ~GPIO_UART_RXD;
  93        PPAR |= PPAR_UPR;
  94
  95        /* reset the codec */
  96        GPCR = SHANNON_GPIO_CODEC_RESET;
  97        GPSR = SHANNON_GPIO_CODEC_RESET;
  98}
  99
 100MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
 101        .atag_offset    = 0x100,
 102        .map_io         = shannon_map_io,
 103        .nr_irqs        = SA1100_NR_IRQS,
 104        .init_irq       = sa1100_init_irq,
 105        .init_time      = sa1100_timer_init,
 106        .init_machine   = shannon_init,
 107        .init_late      = sa11x0_init_late,
 108        .restart        = sa11x0_restart,
 109MACHINE_END
 110