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[ARM] pxa: add onenand support for SAAR

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Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Haojian Zhuang 2009-09-25 13:15:28 -04:00 committed by Eric Miao
parent d6587c34a6
commit b1e3719e65
1 changed files with 95 additions and 1 deletions
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96
arch/arm/mach-pxa/saar.c
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@ -22,9 +22,13 @@
#include <linux/i2c.h>
#include <linux/smc91x.h>
#include <linux/mfd/da903x.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/pxa930.h>
#include <plat/i2c.h>
@ -33,7 +37,7 @@
#include "devices.h"
#include "generic.h"
#define GPIO_LCD_RESET (16)
#define GPIO_LCD_RESET (16)
/* SAAR MFP configurations */
static mfp_cfg_t saar_mfp_cfg[] __initdata = {
@ -56,6 +60,31 @@ static mfp_cfg_t saar_mfp_cfg[] __initdata = {
/* Ethernet */
DF_nCS1_nCS3,
GPIO97_GPIO,
/* DFI */
DF_INT_RnB_ND_INT_RnB,
DF_nRE_nOE_ND_nRE,
DF_nWE_ND_nWE,
DF_CLE_nOE_ND_CLE,
DF_nADV1_ALE_ND_ALE,
DF_nADV2_ALE_nCS3,
DF_nCS0_ND_nCS0,
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,
};
#define SAAR_ETH_PHYS (0x14000000)
@ -485,12 +514,77 @@ static void __init saar_init_i2c(void)
#else
static inline void saar_init_i2c(void) {}
#endif
#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
static struct mtd_partition saar_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 flash_platform_data saar_onenand_info = {
.parts = saar_onenand_partitions,
.nr_parts = ARRAY_SIZE(saar_onenand_partitions),
};
#define SMC_CS0_PHYS_BASE (0x10000000)
static struct resource saar_resource_onenand[] = {
[0] = {
.start = SMC_CS0_PHYS_BASE,
.end = SMC_CS0_PHYS_BASE + SZ_1M,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device saar_device_onenand = {
.name = "onenand-flash",
.id = -1,
.dev = {
.platform_data = &saar_onenand_info,
},
.resource = saar_resource_onenand,
.num_resources = ARRAY_SIZE(saar_resource_onenand),
};
static void __init saar_init_onenand(void)
{
platform_device_register(&saar_device_onenand);
}
#else
static void __init saar_init_onenand(void) {}
#endif
static void __init saar_init(void)
{
/* initialize MFP configurations */
pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg));
platform_device_register(&smc91x_device);
saar_init_onenand();
saar_init_i2c();
saar_init_lcd();