linux-stable-rt/arch/arm/mach-mmp/ttc_dkb.c

135 lines
3.0 KiB
C

/*
* linux/arch/arm/mach-mmp/ttc_dkb.c
*
* Support for the Marvell PXA910-based TTC_DKB Development Platform.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* publishhed by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <mach/addr-map.h>
#include <mach/mfp-pxa910.h>
#include <mach/pxa910.h>
#include "common.h"
#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
static unsigned long ttc_dkb_pin_config[] __initdata = {
/* UART2 */
GPIO47_UART2_RXD,
GPIO48_UART2_TXD,
/* DFI */
DF_IO0_ND_IO0,
DF_IO1_ND_IO1,
DF_IO2_ND_IO2,
DF_IO3_ND_IO3,
DF_IO4_ND_IO4,
DF_IO5_ND_IO5,
DF_IO6_ND_IO6,
DF_IO7_ND_IO7,
DF_IO8_ND_IO8,
DF_IO9_ND_IO9,
DF_IO10_ND_IO10,
DF_IO11_ND_IO11,
DF_IO12_ND_IO12,
DF_IO13_ND_IO13,
DF_IO14_ND_IO14,
DF_IO15_ND_IO15,
DF_nCS0_SM_nCS2_nCS0,
DF_ALE_SM_WEn_ND_ALE,
DF_CLE_SM_OEn_ND_CLE,
DF_WEn_DF_WEn,
DF_REn_DF_REn,
DF_RDY0_DF_RDY0,
};
static struct mtd_partition ttc_dkb_onenand_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = SZ_1M,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_8M,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = (SZ_2M + SZ_1M),
.mask_flags = 0,
}, {
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = SZ_48M,
.mask_flags = 0,
}
};
static struct onenand_platform_data ttc_dkb_onenand_info = {
.parts = ttc_dkb_onenand_partitions,
.nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions),
};
static struct resource ttc_dkb_resource_onenand[] = {
[0] = {
.start = SMC_CS0_PHYS_BASE,
.end = SMC_CS0_PHYS_BASE + SZ_1M,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ttc_dkb_device_onenand = {
.name = "onenand-flash",
.id = -1,
.resource = ttc_dkb_resource_onenand,
.num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand),
.dev = {
.platform_data = &ttc_dkb_onenand_info,
},
};
static struct platform_device *ttc_dkb_devices[] = {
&ttc_dkb_device_onenand,
};
static void __init ttc_dkb_init(void)
{
mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
/* on-chip devices */
pxa910_add_uart(1);
/* off-chip devices */
platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
}
MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
.phys_io = APB_PHYS_BASE,
.boot_params = 0x00000100,
.io_pg_offst = (APB_VIRT_BASE >> 18) & 0xfffc,
.map_io = pxa_map_io,
.init_irq = pxa910_init_irq,
.timer = &pxa910_timer,
.init_machine = ttc_dkb_init,
MACHINE_END