ARM: EXYNOS4: Add support for ORIGEN board

Insignal's ORIGEN board is based Samsung EXYNOS4210 SoC.

Signed-off-by: JeongHyeon Kim <jhkim@insignal.co.kr>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
[kgene.kim@samsung.com: Fixed SoC name to EXYNOS4210]
[kgene.kim@samsung.com: Selected MACH_ORIGEN in exynos4_defconfig]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

4 files changed, 120 insertions, 0 deletions

diff --git a/arch/arm/configs/exynos4_defconfig b/arch/arm/configs/exynos4_defconfig
index da53ff3..cd40bb5 100644
--- a/arch/arm/configs/exynos4_defconfig
+++ b/arch/arm/configs/exynos4_defconfig
@@ -11,6 +11,7 @@ CONFIG_MACH_SMDKV310=y
 CONFIG_MACH_ARMLEX4210=y
 CONFIG_MACH_UNIVERSAL_C210=y
 CONFIG_MACH_NURI=y
+CONFIG_MACH_ORIGEN=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_SMP=y
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 1435fc3..3ab0f18c 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -186,6 +186,16 @@ config MACH_NURI
 	help
 	  Machine support for Samsung Mobile NURI Board.
 
+config MACH_ORIGEN
+	bool "ORIGEN"
+	select CPU_EXYNOS4210
+	select S3C_DEV_RTC
+	select S3C_DEV_WDT
+	select S3C_DEV_HSMMC2
+	select EXYNOS4_SETUP_SDHCI
+	help
+	  Machine support for ORIGEN based on Samsung EXYNOS4210
+
 endmenu
 
 comment "Configuration for HSMMC bus width"
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
index 60fe5ecf..4b22dc5 100644
--- a/arch/arm/mach-exynos4/Makefile
+++ b/arch/arm/mach-exynos4/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_MACH_SMDKV310)		+= mach-smdkv310.o
 obj-$(CONFIG_MACH_ARMLEX4210)		+= mach-armlex4210.o
 obj-$(CONFIG_MACH_UNIVERSAL_C210)	+= mach-universal_c210.o
 obj-$(CONFIG_MACH_NURI)			+= mach-nuri.o
+obj-$(CONFIG_MACH_ORIGEN)		+= mach-origen.o
 
 # device support
 
diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c
new file mode 100644
index 0000000..ed59f86
--- /dev/null
+++ b/arch/arm/mach-exynos4/mach-origen.c
@@ -0,0 +1,108 @@
+/* linux/arch/arm/mach-exynos4/mach-origen.c
+ *
+ * Copyright (c) 2011 Insignal Co., Ltd.
+ *		http://www.insignal.co.kr/
+ *
+ * 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/serial_core.h>
+#include <linux/gpio.h>
+#include <linux/mmc/host.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/input.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+#include <plat/exynos4.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/sdhci.h>
+#include <plat/iic.h>
+
+#include <mach/map.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define ORIGEN_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define ORIGEN_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define ORIGEN_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG4 |	\
+				 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.flags		= 0,
+		.ucon		= ORIGEN_UCON_DEFAULT,
+		.ulcon		= ORIGEN_ULCON_DEFAULT,
+		.ufcon		= ORIGEN_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.flags		= 0,
+		.ucon		= ORIGEN_UCON_DEFAULT,
+		.ulcon		= ORIGEN_ULCON_DEFAULT,
+		.ufcon		= ORIGEN_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.flags		= 0,
+		.ucon		= ORIGEN_UCON_DEFAULT,
+		.ulcon		= ORIGEN_ULCON_DEFAULT,
+		.ufcon		= ORIGEN_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport		= 3,
+		.flags		= 0,
+		.ucon		= ORIGEN_UCON_DEFAULT,
+		.ulcon		= ORIGEN_ULCON_DEFAULT,
+		.ufcon		= ORIGEN_UFCON_DEFAULT,
+	},
+};
+
+static struct s3c_sdhci_platdata origen_hsmmc2_pdata __initdata = {
+	.cd_type		= S3C_SDHCI_CD_GPIO,
+	.ext_cd_gpio		= EXYNOS4_GPK2(2),
+	.ext_cd_gpio_invert	= 1,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static struct platform_device *origen_devices[] __initdata = {
+	&s3c_device_hsmmc2,
+	&s3c_device_rtc,
+	&s3c_device_wdt,
+};
+
+static void __init origen_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs));
+}
+
+static void __init origen_machine_init(void)
+{
+	s3c_sdhci2_set_platdata(&origen_hsmmc2_pdata);
+	platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
+}
+
+MACHINE_START(ORIGEN, "ORIGEN")
+	/* Maintainer: JeongHyeon Kim <jhkim@insignal.co.kr> */
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= exynos4_init_irq,
+	.map_io		= origen_map_io,
+	.init_machine	= origen_machine_init,
+	.timer		= &exynos4_timer,
+MACHINE_END