exynos5250: Add arndale board support

Arndale board is based on samsung's exynos5250 soc.

Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

4 files changed, 192 insertions, 0 deletions

diff --git a/board/samsung/arndale/Makefile b/board/samsung/arndale/Makefile
new file mode 100644
index 0000000000..afd8db3cee
--- /dev/null
+++ b/board/samsung/arndale/Makefile
@@ -0,0 +1,34 @@
+#
+# Copyright (C) 2013 Samsung Electronics
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	+= arndale_spl.o
+
+ifndef CONFIG_SPL_BUILD
+COBJS	+= arndale.o
+endif
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+ALL	:=	 $(obj).depend $(LIB)
+
+all:	$(ALL)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/samsung/arndale/arndale.c b/board/samsung/arndale/arndale.c
new file mode 100644
index 0000000000..84d8f19c1d
--- /dev/null
+++ b/board/samsung/arndale/arndale.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+	return 0;
+}
+
+int dram_init(void)
+{
+	int i;
+	u32 addr;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+	}
+	return 0;
+}
+
+int power_init_board(void)
+{
+	set_ps_hold_ctrl();
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	int i;
+	u32 addr, size;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+
+		gd->bd->bi_dram[i].start = addr;
+		gd->bd->bi_dram[i].size = size;
+	}
+}
+
+static int board_uart_init(void)
+{
+	int err = 0, uart_id;
+
+	for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
+		err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
+		if (err) {
+			debug("UART%d not configured\n",
+			      (uart_id - PERIPH_ID_UART0));
+			return err;
+		}
+	}
+	return err;
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+	int err;
+
+	err = board_uart_init();
+	if (err) {
+		debug("UART init failed\n");
+		return err;
+	}
+	return err;
+}
+#endif
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	printf("\nBoard: Arndale\n");
+
+	return 0;
+}
+#endif
diff --git a/board/samsung/arndale/arndale_spl.c b/board/samsung/arndale/arndale_spl.c
new file mode 100644
index 0000000000..2949c0828d
--- /dev/null
+++ b/board/samsung/arndale/arndale_spl.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/spl.h>
+
+#define SIGNATURE	0xdeadbeef
+
+/* Parameters of early board initialization in SPL */
+static struct spl_machine_param machine_param
+		__attribute__((section(".machine_param"))) = {
+	.signature	= SIGNATURE,
+	.version	= 1,
+	.params		= "vmubfasirM",
+	.size		= sizeof(machine_param),
+
+	.mem_iv_size	= 0x1f,
+	.mem_type	= DDR_MODE_DDR3,
+
+	/*
+	 * Set uboot_size to 0x100000 bytes.
+	 *
+	 * This is an overly conservative value chosen to accommodate all
+	 * possible U-Boot image.  You are advised to set this value to a
+	 * smaller realistic size via scripts that modifies the .machine_param
+	 * section of output U-Boot image.
+	 */
+	.uboot_size	= 0x100000,
+
+	.boot_source	= BOOT_MODE_OM,
+	.frequency_mhz	= 800,
+	.arm_freq_mhz	= 1000,
+	.serial_base	= 0x12c30000,
+	.i2c_base	= 0x12c60000,
+	.mem_manuf	= MEM_MANUF_SAMSUNG,
+};
+
+struct spl_machine_param *spl_get_machine_params(void)
+{
+	if (machine_param.signature != SIGNATURE) {
+		/* Will hang if SIGNATURE dont match */
+		while (1)
+			;
+	}
+
+	return &machine_param;
+}
diff --git a/board/samsung/dts/exynos5250-arndale.dts b/board/samsung/dts/exynos5250-arndale.dts
new file mode 100644
index 0000000000..d3c05273db
--- /dev/null
+++ b/board/samsung/dts/exynos5250-arndale.dts
@@ -0,0 +1,21 @@
+/*
+ * SAMSUNG Arndale board device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+*/
+
+/dts-v1/;
+/include/ ARCH_CPU_DTS
+
+/ {
+	model = "SAMSUNG Arndale board based on EXYNOS5250";
+	compatible = "samsung,arndale", "samsung,exynos5250";
+
+	aliases {
+		serial0 = "/serial@12C20000";
+		console = "/serial@12C20000";
+	};
+};