[PATCH 5/9] ARM: EXYNOS: add board file for SMDK5250
Kukjin Kim
kgene.kim at samsung.com
Tue Jan 31 10:39:10 EST 2012
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
---
arch/arm/mach-exynos/Kconfig | 11 ++++
arch/arm/mach-exynos/Makefile | 2 +
arch/arm/mach-exynos/mach-smdk5250.c | 94 ++++++++++++++++++++++++++++++++++
3 files changed, 107 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-exynos/mach-smdk5250.c
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 60905d5..89b8e17 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -364,6 +364,17 @@ config MACH_SMDK4412
Machine support for Samsung SMDK4412
endif
+if ARCH_EXYNOS5
+
+comment "EXYNOS5250 Boards"
+
+config MACH_SMDK5250
+ bool "SMDK5250"
+ select SOC_EXYNOS5250
+ help
+ Machine support for Samsung SMDK4412
+endif
+
comment "Flattened Device Tree based board for Exynos4 based SoC"
config MACH_EXYNOS4_DT
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 33d27d4..1b12345 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -43,6 +43,8 @@ obj-$(CONFIG_MACH_SMDK4412) += mach-smdk4x12.o
obj-$(CONFIG_MACH_EXYNOS4_DT) += mach-exynos4-dt.o
+obj-$(CONFIG_MACH_SMDK5250) += mach-smdk5250.o
+
# device support
obj-$(CONFIG_ARCH_EXYNOS4) += dev-audio.o
diff --git a/arch/arm/mach-exynos/mach-smdk5250.c b/arch/arm/mach-exynos/mach-smdk5250.c
new file mode 100644
index 0000000..0fe4a0b
--- /dev/null
+++ b/arch/arm/mach-exynos/mach-smdk5250.c
@@ -0,0 +1,94 @@
+/*
+ * linux/arch/arm/mach-exynos/mach-smdk5250.c
+ *
+ * Copyright (c) 2012 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/platform_device.h>
+#include <linux/serial_core.h>
+
+#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach-types.h>
+
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/regs-serial.h>
+
+#include <mach/map.h>
+
+#include "common.h"
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define SMDK5250_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
+ S3C2410_UCON_RXILEVEL | \
+ S3C2410_UCON_TXIRQMODE | \
+ S3C2410_UCON_RXIRQMODE | \
+ S3C2410_UCON_RXFIFO_TOI | \
+ S3C2443_UCON_RXERR_IRQEN)
+
+#define SMDK5250_ULCON_DEFAULT S3C2410_LCON_CS8
+
+#define SMDK5250_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
+ S5PV210_UFCON_TXTRIG4 | \
+ S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg smdk5250_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = SMDK5250_UCON_DEFAULT,
+ .ulcon = SMDK5250_ULCON_DEFAULT,
+ .ufcon = SMDK5250_UFCON_DEFAULT,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = SMDK5250_UCON_DEFAULT,
+ .ulcon = SMDK5250_ULCON_DEFAULT,
+ .ufcon = SMDK5250_UFCON_DEFAULT,
+ },
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = SMDK5250_UCON_DEFAULT,
+ .ulcon = SMDK5250_ULCON_DEFAULT,
+ .ufcon = SMDK5250_UFCON_DEFAULT,
+ },
+ [3] = {
+ .hwport = 3,
+ .flags = 0,
+ .ucon = SMDK5250_UCON_DEFAULT,
+ .ulcon = SMDK5250_ULCON_DEFAULT,
+ .ufcon = SMDK5250_UFCON_DEFAULT,
+ },
+};
+
+static void __init smdk5250_map_io(void)
+{
+ clk_xusbxti.rate = 24000000;
+
+ exynos_init_io(NULL, 0);
+ s3c24xx_init_clocks(clk_xusbxti.rate);
+ s3c24xx_init_uarts(smdk5250_uartcfgs, ARRAY_SIZE(smdk5250_uartcfgs));
+}
+
+static void __init smdk5250_machine_init(void)
+{
+ /* nothing here yet */
+}
+
+MACHINE_START(SMDK5250, "SMDK5250")
+ .atag_offset = 0x100,
+ .init_irq = exynos5_init_irq,
+ .map_io = smdk5250_map_io,
+ .handle_irq = gic_handle_irq,
+ .init_machine = smdk5250_machine_init,
+ .timer = &exynos4_timer,
+ .restart = exynos5_restart,
+MACHINE_END
--
1.7.4.4
More information about the linux-arm-kernel
mailing list