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shannon.c

/*
 * linux/arch/arm/mach-sa1100/shannon.c
 */

#include <linux/init.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/setup.h>

#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/mach/serial_sa1100.h>
#include <mach/mcp.h>
#include <mach/shannon.h>

#include "generic.h"

static struct mtd_partition shannon_partitions[] = {
      {
            .name       = "BLOB boot loader",
            .offset           = 0,
            .size       = 0x20000
      },
      {
            .name       = "kernel",
            .offset           = MTDPART_OFS_APPEND,
            .size       = 0xe0000
      },
      {
            .name       = "initrd",
            .offset           = MTDPART_OFS_APPEND,   
            .size       = MTDPART_SIZ_FULL
      }
};

static struct flash_platform_data shannon_flash_data = {
      .map_name   = "cfi_probe",
      .parts            = shannon_partitions,
      .nr_parts   = ARRAY_SIZE(shannon_partitions),
};

static struct resource shannon_flash_resource = {
      .start            = SA1100_CS0_PHYS,
      .end        = SA1100_CS0_PHYS + SZ_4M - 1,
      .flags            = IORESOURCE_MEM,
};

static struct mcp_plat_data shannon_mcp_data = {
      .mccr0            = MCCR0_ADM,
      .sclk_rate  = 11981000,
};

static void __init shannon_init(void)
{
      sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
      sa11x0_register_mcp(&shannon_mcp_data);
}

static void __init shannon_map_io(void)
{
      sa1100_map_io();

      sa1100_register_uart(0, 3);
      sa1100_register_uart(1, 1);

      Ser1SDCR0 |= SDCR0_SUS;
      GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
      GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
      GPDR &= ~GPIO_UART_RXD;
      PPAR |= PPAR_UPR;

      /* reset the codec */
      GPCR = SHANNON_GPIO_CODEC_RESET;
      GPSR = SHANNON_GPIO_CODEC_RESET;
}

MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
      .boot_params      = 0xc0000100,
      .map_io           = shannon_map_io,
      .init_irq   = sa1100_init_irq,
      .timer            = &sa1100_timer,
      .init_machine     = shannon_init,
MACHINE_END

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