Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / arm / mach-s3c24xx / common-smdk.c
diff --git a/kernel/arch/arm/mach-s3c24xx/common-smdk.c b/kernel/arch/arm/mach-s3c24xx/common-smdk.c
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+/* linux/arch/arm/plat-s3c24xx/common-smdk.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ *     Ben Dooks <ben@simtec.co.uk>
+ *
+ * Common code for SMDK2410 and SMDK2440 boards
+ *
+ * http://www.fluff.org/ben/smdk2440/
+ *
+ * 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
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+#include <linux/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
+#include <linux/platform_data/leds-s3c24xx.h>
+#include <linux/platform_data/mtd-nand-s3c2410.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/devs.h>
+#include <plat/pm.h>
+
+#include "common-smdk.h"
+
+/* LED devices */
+
+static struct s3c24xx_led_platdata smdk_pdata_led4 = {
+       .gpio           = S3C2410_GPF(4),
+       .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
+       .name           = "led4",
+       .def_trigger    = "timer",
+};
+
+static struct s3c24xx_led_platdata smdk_pdata_led5 = {
+       .gpio           = S3C2410_GPF(5),
+       .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
+       .name           = "led5",
+       .def_trigger    = "nand-disk",
+};
+
+static struct s3c24xx_led_platdata smdk_pdata_led6 = {
+       .gpio           = S3C2410_GPF(6),
+       .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
+       .name           = "led6",
+};
+
+static struct s3c24xx_led_platdata smdk_pdata_led7 = {
+       .gpio           = S3C2410_GPF(7),
+       .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
+       .name           = "led7",
+};
+
+static struct platform_device smdk_led4 = {
+       .name           = "s3c24xx_led",
+       .id             = 0,
+       .dev            = {
+               .platform_data = &smdk_pdata_led4,
+       },
+};
+
+static struct platform_device smdk_led5 = {
+       .name           = "s3c24xx_led",
+       .id             = 1,
+       .dev            = {
+               .platform_data = &smdk_pdata_led5,
+       },
+};
+
+static struct platform_device smdk_led6 = {
+       .name           = "s3c24xx_led",
+       .id             = 2,
+       .dev            = {
+               .platform_data = &smdk_pdata_led6,
+       },
+};
+
+static struct platform_device smdk_led7 = {
+       .name           = "s3c24xx_led",
+       .id             = 3,
+       .dev            = {
+               .platform_data = &smdk_pdata_led7,
+       },
+};
+
+/* NAND parititon from 2.4.18-swl5 */
+
+static struct mtd_partition smdk_default_nand_part[] = {
+       [0] = {
+               .name   = "Boot Agent",
+               .size   = SZ_16K,
+               .offset = 0,
+       },
+       [1] = {
+               .name   = "S3C2410 flash partition 1",
+               .offset = 0,
+               .size   = SZ_2M,
+       },
+       [2] = {
+               .name   = "S3C2410 flash partition 2",
+               .offset = SZ_4M,
+               .size   = SZ_4M,
+       },
+       [3] = {
+               .name   = "S3C2410 flash partition 3",
+               .offset = SZ_8M,
+               .size   = SZ_2M,
+       },
+       [4] = {
+               .name   = "S3C2410 flash partition 4",
+               .offset = SZ_1M * 10,
+               .size   = SZ_4M,
+       },
+       [5] = {
+               .name   = "S3C2410 flash partition 5",
+               .offset = SZ_1M * 14,
+               .size   = SZ_1M * 10,
+       },
+       [6] = {
+               .name   = "S3C2410 flash partition 6",
+               .offset = SZ_1M * 24,
+               .size   = SZ_1M * 24,
+       },
+       [7] = {
+               .name   = "S3C2410 flash partition 7",
+               .offset = SZ_1M * 48,
+               .size   = MTDPART_SIZ_FULL,
+       }
+};
+
+static struct s3c2410_nand_set smdk_nand_sets[] = {
+       [0] = {
+               .name           = "NAND",
+               .nr_chips       = 1,
+               .nr_partitions  = ARRAY_SIZE(smdk_default_nand_part),
+               .partitions     = smdk_default_nand_part,
+       },
+};
+
+/* choose a set of timings which should suit most 512Mbit
+ * chips and beyond.
+*/
+
+static struct s3c2410_platform_nand smdk_nand_info = {
+       .tacls          = 20,
+       .twrph0         = 60,
+       .twrph1         = 20,
+       .nr_sets        = ARRAY_SIZE(smdk_nand_sets),
+       .sets           = smdk_nand_sets,
+};
+
+/* devices we initialise */
+
+static struct platform_device __initdata *smdk_devs[] = {
+       &s3c_device_nand,
+       &smdk_led4,
+       &smdk_led5,
+       &smdk_led6,
+       &smdk_led7,
+};
+
+static const struct gpio smdk_led_gpios[] = {
+       { S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH, NULL },
+       { S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH, NULL },
+       { S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH, NULL },
+       { S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH, NULL },
+};
+
+void __init smdk_machine_init(void)
+{
+       /* Configure the LEDs (even if we have no LED support)*/
+
+       int ret = gpio_request_array(smdk_led_gpios,
+                                    ARRAY_SIZE(smdk_led_gpios));
+       if (!WARN_ON(ret < 0))
+               gpio_free_array(smdk_led_gpios, ARRAY_SIZE(smdk_led_gpios));
+
+       if (machine_is_smdk2443())
+               smdk_nand_info.twrph0 = 50;
+
+       s3c_nand_set_platdata(&smdk_nand_info);
+
+       platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
+
+       s3c_pm_init();
+}