ARM: EXYNOS4: Add ARMLEX4210 Board support file

This patch adds Samsung ARMLEX4210  board support file
which is based on Exynos4210.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
[kgene.kim@samsung.com: added clk_type for hsmmc3]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

3 files changed, 228 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index b86feae7c4cb..d3893f6fdc41 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -109,6 +109,19 @@ config MACH_SMDKV310
         help
           Machine support for Samsung SMDKV310
 
+config MACH_ARMLEX4210
+        bool "ARMLEX4210"
+        select CPU_EXYNOS4210
+        select S3C_DEV_RTC
+        select S3C_DEV_WDT
+        select S3C_DEV_HSMMC
+        select S3C_DEV_HSMMC2
+        select S3C_DEV_HSMMC3
+        select EXYNOS4_DEV_SYSMMU
+        select EXYNOS4_SETUP_SDHCI
+        help
+          Machine support for Samsung ARMLEX4210 based on EXYNOS4210
+
 config MACH_UNIVERSAL_C210
         bool "Mobile UNIVERSAL_C210 Board"
         select CPU_EXYNOS4210
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
index fa9e81473ef9..45422cb3e5b1 100644
--- a/arch/arm/mach-exynos4/Makefile
+++ b/arch/arm/mach-exynos4/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_HOTPLUG_CPU)	+= hotplug.o
 
 obj-$(CONFIG_MACH_SMDKC210)             += mach-smdkc210.o
 obj-$(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
 
diff --git a/arch/arm/mach-exynos4/mach-armlex4210.c b/arch/arm/mach-exynos4/mach-armlex4210.c
new file mode 100644
index 000000000000..1ec7e77bed82
--- /dev/null
+++ b/arch/arm/mach-exynos4/mach-armlex4210.c
@@ -0,0 +1,214 @@
+/* linux/arch/arm/mach-exynos4/mach-armlex4210.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * 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/gpio.h>
+#include <linux/io.h>
+#include <linux/mmc/host.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/smsc911x.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/exynos4.h>
+#include <plat/gpio-cfg.h>
+#include <plat/regs-serial.h>
+#include <plat/regs-srom.h>
+#include <plat/sdhci.h>
+
+#include <mach/map.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define ARMLEX4210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL |        \
+                                 S3C2410_UCON_RXILEVEL |        \
+                                 S3C2410_UCON_TXIRQMODE |       \
+                                 S3C2410_UCON_RXIRQMODE |       \
+                                 S3C2410_UCON_RXFIFO_TOI |      \
+                                 S3C2443_UCON_RXERR_IRQEN)
+
+#define ARMLEX4210_ULCON_DEFAULT        S3C2410_LCON_CS8
+
+#define ARMLEX4210_UFCON_DEFAULT        (S3C2410_UFCON_FIFOMODE |       \
+                                 S5PV210_UFCON_TXTRIG4 |        \
+                                 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg armlex4210_uartcfgs[] __initdata = {
+        [0] = {
+                .hwport         = 0,
+                .flags          = 0,
+                .ucon           = ARMLEX4210_UCON_DEFAULT,
+                .ulcon          = ARMLEX4210_ULCON_DEFAULT,
+                .ufcon          = ARMLEX4210_UFCON_DEFAULT,
+        },
+        [1] = {
+                .hwport         = 1,
+                .flags          = 0,
+                .ucon           = ARMLEX4210_UCON_DEFAULT,
+                .ulcon          = ARMLEX4210_ULCON_DEFAULT,
+                .ufcon          = ARMLEX4210_UFCON_DEFAULT,
+        },
+        [2] = {
+                .hwport         = 2,
+                .flags          = 0,
+                .ucon           = ARMLEX4210_UCON_DEFAULT,
+                .ulcon          = ARMLEX4210_ULCON_DEFAULT,
+                .ufcon          = ARMLEX4210_UFCON_DEFAULT,
+        },
+        [3] = {
+                .hwport         = 3,
+                .flags          = 0,
+                .ucon           = ARMLEX4210_UCON_DEFAULT,
+                .ulcon          = ARMLEX4210_ULCON_DEFAULT,
+                .ufcon          = ARMLEX4210_UFCON_DEFAULT,
+        },
+};
+
+static struct s3c_sdhci_platdata armlex4210_hsmmc0_pdata __initdata = {
+        .cd_type                = S3C_SDHCI_CD_PERMANENT,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+#ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
+        .max_width              = 8,
+        .host_caps              = MMC_CAP_8_BIT_DATA,
+#endif
+};
+
+static struct s3c_sdhci_platdata armlex4210_hsmmc2_pdata __initdata = {
+        .cd_type                = S3C_SDHCI_CD_GPIO,
+        .ext_cd_gpio            = EXYNOS4_GPX2(5),
+        .ext_cd_gpio_invert     = 1,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+        .max_width              = 4,
+};
+
+static struct s3c_sdhci_platdata armlex4210_hsmmc3_pdata __initdata = {
+        .cd_type                = S3C_SDHCI_CD_PERMANENT,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+        .max_width              = 4,
+};
+
+static void __init armlex4210_sdhci_init(void)
+{
+        s3c_sdhci0_set_platdata(&armlex4210_hsmmc0_pdata);
+        s3c_sdhci2_set_platdata(&armlex4210_hsmmc2_pdata);
+        s3c_sdhci3_set_platdata(&armlex4210_hsmmc3_pdata);
+}
+
+static void __init armlex4210_wlan_init(void)
+{
+        /* enable */
+        s3c_gpio_cfgpin(EXYNOS4_GPX2(0), S3C_GPIO_SFN(0xf));
+        s3c_gpio_setpull(EXYNOS4_GPX2(0), S3C_GPIO_PULL_UP);
+
+        /* reset */
+        s3c_gpio_cfgpin(EXYNOS4_GPX1(6), S3C_GPIO_SFN(0xf));
+        s3c_gpio_setpull(EXYNOS4_GPX1(6), S3C_GPIO_PULL_UP);
+
+        /* wakeup */
+        s3c_gpio_cfgpin(EXYNOS4_GPX1(5), S3C_GPIO_SFN(0xf));
+        s3c_gpio_setpull(EXYNOS4_GPX1(5), S3C_GPIO_PULL_UP);
+}
+
+static struct resource armlex4210_smsc911x_resources[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_SROM_BANK(3),
+                .end    = EXYNOS4_PA_SROM_BANK(3) + SZ_64K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_EINT(27),
+                .end    = IRQ_EINT(27),
+                .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
+        },
+};
+
+static struct smsc911x_platform_config smsc9215_config = {
+        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
+        .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
+        .flags          = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
+        .phy_interface  = PHY_INTERFACE_MODE_MII,
+        .mac            = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
+};
+
+static struct platform_device armlex4210_smsc911x = {
+        .name           = "smsc911x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(armlex4210_smsc911x_resources),
+        .resource       = armlex4210_smsc911x_resources,
+        .dev            = {
+                .platform_data  = &smsc9215_config,
+        },
+};
+
+static struct platform_device *armlex4210_devices[] __initdata = {
+        &s3c_device_hsmmc0,
+        &s3c_device_hsmmc2,
+        &s3c_device_hsmmc3,
+        &s3c_device_rtc,
+        &s3c_device_wdt,
+        &exynos4_device_sysmmu,
+        &samsung_asoc_dma,
+        &armlex4210_smsc911x,
+};
+
+static void __init armlex4210_smsc911x_init(void)
+{
+        u32 cs1;
+
+        /* configure nCS1 width to 16 bits */
+        cs1 = __raw_readl(S5P_SROM_BW) &
+                ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
+        cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
+                (0 << S5P_SROM_BW__WAITENABLE__SHIFT) |
+                (1 << S5P_SROM_BW__ADDRMODE__SHIFT) |
+                (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
+                S5P_SROM_BW__NCS1__SHIFT;
+        __raw_writel(cs1, S5P_SROM_BW);
+
+        /* set timing for nCS1 suitable for ethernet chip */
+        __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
+                     (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
+                     (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
+                     (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
+                     (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
+                     (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
+                     (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
+}
+
+static void __init armlex4210_map_io(void)
+{
+        s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+        s3c24xx_init_clocks(24000000);
+        s3c24xx_init_uarts(armlex4210_uartcfgs,
+                           ARRAY_SIZE(armlex4210_uartcfgs));
+}
+
+static void __init armlex4210_machine_init(void)
+{
+        armlex4210_smsc911x_init();
+
+        armlex4210_sdhci_init();
+
+        armlex4210_wlan_init();
+
+        platform_add_devices(armlex4210_devices,
+                             ARRAY_SIZE(armlex4210_devices));
+}
+
+MACHINE_START(ARMLEX4210, "ARMLEX4210")
+        /* Maintainer: Alim Akhtar <alim.akhtar@samsung.com> */
+        .boot_params    = S5P_PA_SDRAM + 0x100,
+        .init_irq       = exynos4_init_irq,
+        .map_io         = armlex4210_map_io,
+        .init_machine   = armlex4210_machine_init,
+        .timer          = &exynos4_timer,
+MACHINE_END