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[ARM] 3442/1: [S3C2410] SMDK: NAND device setup
Patch from Ben Dooks Add SMDK2410/SMDK2440 NAND device information and default partition table. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -20,6 +20,11 @@
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/nand_ecc.h>
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#include <linux/mtd/partitions.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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@ -27,12 +32,86 @@
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <asm/arch/regs-gpio.h>
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#include <asm/arch/nand.h>
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#include "devs.h"
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#include "pm.h"
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/* NAND parititon from 2.4.18-swl5 */
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static struct mtd_partition smdk_default_nand_part[] = {
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[0] = {
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.name = "Boot Agent",
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.size = SZ_16K,
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.offset = 0,
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},
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[1] = {
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.name = "S3C2410 flash parition 1",
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.offset = 0,
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.size = SZ_2M,
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},
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[2] = {
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.name = "S3C2410 flash partition 2",
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.offset = SZ_4M,
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.size = SZ_4M,
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},
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[3] = {
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.name = "S3C2410 flash partition 3",
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.offset = SZ_8M,
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.size = SZ_2M,
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},
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[4] = {
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.name = "S3C2410 flash partition 4",
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.offset = SZ_1M * 10,
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.size = SZ_4M,
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},
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[5] = {
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.name = "S3C2410 flash partition 5",
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.offset = SZ_1M * 14,
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.size = SZ_1M * 10,
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},
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[6] = {
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.name = "S3C2410 flash partition 6",
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.offset = SZ_1M * 24,
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.size = SZ_1M * 24,
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},
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[7] = {
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.name = "S3C2410 flash partition 7",
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.offset = SZ_1M * 48,
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.size = SZ_16M,
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}
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};
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static struct s3c2410_nand_set smdk_nand_sets[] = {
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[0] = {
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.name = "NAND",
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.nr_chips = 1,
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.nr_partitions = ARRAY_SIZE(smdk_default_nand_part),
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.partitions = smdk_default_nand_part,
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},
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};
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/* choose a set of timings which should suit most 512Mbit
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* chips and beyond.
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*/
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static struct s3c2410_platform_nand smdk_nand_info = {
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.tacls = 20,
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.twrph0 = 60,
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.twrph1 = 20,
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.nr_sets = ARRAY_SIZE(smdk_nand_sets),
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.sets = smdk_nand_sets,
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};
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/* devices we initialise */
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static struct platform_device __initdata *smdk_devs[] = {
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&s3c_device_nand,
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};
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void __init smdk_machine_init(void)
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{
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/* Configure the LEDs (even if we have no LED support)*/
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@ -47,5 +126,9 @@ void __init smdk_machine_init(void)
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s3c2410_gpio_setpin(S3C2410_GPF6, 1);
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s3c2410_gpio_setpin(S3C2410_GPF7, 1);
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s3c_device_nand.dev.platform_data = &smdk_nand_info;
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platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
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s3c2410_pm_init();
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}
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