h5000.c

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/*
 * Hardware definitions for HP iPAQ h5xxx Handheld Computers
 *
 * Copyright 2000-2003  Hewlett-Packard Company.
 * Copyright 2002       Jamey Hicks <[email protected]>
 * Copyright 2004-2005  Phil Blundell <[email protected]>
 * Copyright 2007-2008  Anton Vorontsov <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
 * FITNESS FOR ANY PARTICULAR PURPOSE.
 *
 * Author: Jamey Hicks.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/irq.h>

#include <mach/pxa25x.h>
#include <mach/h5000.h>
#include <mach/udc.h>
#include <mach/smemc.h>

#include "generic.h"

/*
 * Flash
 */

static struct mtd_partition h5000_flash0_partitions[] = {
    {
        .name = "bootldr",
        .size = 0x00040000,
        .offset = 0,
        .mask_flags = MTD_WRITEABLE,
    },
    {
        .name = "root",
        .size = MTDPART_SIZ_FULL,
        .offset = MTDPART_OFS_APPEND,
    },
};

static struct mtd_partition h5000_flash1_partitions[] = {
    {
        .name = "second root",
        .size = SZ_16M - 0x00040000,
        .offset = 0,
    },
    {
        .name = "asset",
        .size = MTDPART_SIZ_FULL,
        .offset = MTDPART_OFS_APPEND,
        .mask_flags = MTD_WRITEABLE,
    },
};

static struct physmap_flash_data h5000_flash0_data = {
    .width = 4,
    .parts = h5000_flash0_partitions,
    .nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
};

static struct physmap_flash_data h5000_flash1_data = {
    .width = 4,
    .parts = h5000_flash1_partitions,
    .nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
};

static struct resource h5000_flash0_resources = {
    .start = PXA_CS0_PHYS,
    .end = PXA_CS0_PHYS + SZ_32M - 1,
    .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
};

static struct resource h5000_flash1_resources = {
    .start = PXA_CS0_PHYS + SZ_32M,
    .end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
    .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
};

static struct platform_device h5000_flash[] = {
    {
        .name = "physmap-flash",
        .id = 0,
        .resource = &h5000_flash0_resources,
        .num_resources = 1,
        .dev = {
            .platform_data = &h5000_flash0_data,
        },
    },
    {
        .name = "physmap-flash",
        .id = 1,
        .resource = &h5000_flash1_resources,
        .num_resources = 1,
        .dev = {
            .platform_data = &h5000_flash1_data,
        },
    },
};

/*
 * USB Device Controller
 */

static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
    .gpio_pullup = H5000_GPIO_USB_PULLUP,
};

/*
 * GPIO setup
 */

static unsigned long h5000_pin_config[] __initdata = {
    /* Crystal and Clock Signals */
    GPIO12_32KHz,

    /* SDRAM and Static Memory I/O Signals */
    GPIO15_nCS_1,
    GPIO78_nCS_2,
    GPIO79_nCS_3,
    GPIO80_nCS_4,

    /* FFUART */
    GPIO34_FFUART_RXD,
    GPIO35_FFUART_CTS,
    GPIO36_FFUART_DCD,
    GPIO37_FFUART_DSR,
    GPIO38_FFUART_RI,
    GPIO39_FFUART_TXD,
    GPIO40_FFUART_DTR,
    GPIO41_FFUART_RTS,

    /* BTUART */
    GPIO42_BTUART_RXD,
    GPIO43_BTUART_TXD,
    GPIO44_BTUART_CTS,
    GPIO45_BTUART_RTS,

    /* SSP1 */
    GPIO23_SSP1_SCLK,
    GPIO25_SSP1_TXD,
    GPIO26_SSP1_RXD,

    /* I2S */
    GPIO28_I2S_BITCLK_OUT,
    GPIO29_I2S_SDATA_IN,
    GPIO30_I2S_SDATA_OUT,
    GPIO31_I2S_SYNC,
    GPIO32_I2S_SYSCLK,
};

/*
 * Localbus setup:
 * CS0: Flash;
 * CS1: MediaQ chip, select 16-bit bus and vlio;
 * CS5: SAMCOP.
 */

static void fix_msc(void)
{
    __raw_writel(0x129c24f2, MSC0);
    __raw_writel(0x7ff424fa, MSC1);
    __raw_writel(0x7ff47ff4, MSC2);

    __raw_writel(__raw_readl(MDREFR) | 0x02080000, MDREFR);
}

/*
 * Platform devices
 */

static struct platform_device *devices[] __initdata = {
    &h5000_flash[0],
    &h5000_flash[1],
};

static void __init h5000_init(void)
{
    fix_msc();

    pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);
    pxa_set_udc_info(&h5000_udc_mach_info);
    platform_add_devices(ARRAY_AND_SIZE(devices));
}

MACHINE_START(H5400, "HP iPAQ H5000")
    .atag_offset = 0x100,
    .map_io = pxa25x_map_io,
    .nr_irqs = PXA_NR_IRQS,
    .init_irq = pxa25x_init_irq,
    .handle_irq = pxa25x_handle_irq,
    .timer = &pxa_timer,
    .init_machine = h5000_init,
    .restart    = pxa_restart,
MACHINE_END