[06/10,V6] Exynos5420: Add base patch for SMDK5420

Message ID 1383031393-6093-7-git-send-email-rajeshwari.s@samsung.com
State New
Headers show

Commit Message

Rajeshwari Shinde Oct. 29, 2013, 7:23 a.m.
Adding the base patch for Exynos based SMDK5420.
This shall enable compilation and basic boot support for
SMDK5420.

Signed-off-by: Rajeshwari S Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
---
Changes in V2:
	- None
Changes in V3:
	- None
Changes in V4:
	- Rebased on latest u-boot-samsung tree.
Changes in V5:
	- Removed functions board_eth_init and board_mmc_init
	as they were moved to common/board.c
Changes in V6:
	- None
 board/samsung/common/board.c          |   2 +
 board/samsung/smdk5420/Makefile       |  34 ++++++++
 board/samsung/smdk5420/smdk5420.c     | 159 ++++++++++++++++++++++++++++++++++
 board/samsung/smdk5420/smdk5420_spl.c |  52 +++++++++++
 boards.cfg                            |   1 +
 tools/Makefile                        |   2 +
 6 files changed, 250 insertions(+)
 create mode 100644 board/samsung/smdk5420/Makefile
 create mode 100644 board/samsung/smdk5420/smdk5420.c
 create mode 100644 board/samsung/smdk5420/smdk5420_spl.c

Comments

Minkyu Kang Nov. 13, 2013, 3:09 a.m. | #1
Dear Rajeshwari S Shinde,


On 29 October 2013 16:23, Rajeshwari S Shinde <rajeshwari.s@samsung.com>wrote:

> Adding the base patch for Exynos based SMDK5420.
> This shall enable compilation and basic boot support for
> SMDK5420.
>
> Signed-off-by: Rajeshwari S Shinde <rajeshwari.s@samsung.com>
> Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
> Acked-by: Simon Glass <sjg@chromium.org>
> ---
> Changes in V2:
>         - None
> Changes in V3:
>         - None
> Changes in V4:
>         - Rebased on latest u-boot-samsung tree.
> Changes in V5:
>         - Removed functions board_eth_init and board_mmc_init
>         as they were moved to common/board.c
> Changes in V6:
>         - None
>  board/samsung/common/board.c          |   2 +
>  board/samsung/smdk5420/Makefile       |  34 ++++++++
>  board/samsung/smdk5420/smdk5420.c     | 159
> ++++++++++++++++++++++++++++++++++
>  board/samsung/smdk5420/smdk5420_spl.c |  52 +++++++++++
>  boards.cfg                            |   1 +
>  tools/Makefile                        |   2 +
>  6 files changed, 250 insertions(+)
>  create mode 100644 board/samsung/smdk5420/Makefile
>  create mode 100644 board/samsung/smdk5420/smdk5420.c
>  create mode 100644 board/samsung/smdk5420/smdk5420_spl.c
>
> diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
> index 9ebfc42..2512a59 100644
> --- a/board/samsung/common/board.c
> +++ b/board/samsung/common/board.c
> @@ -143,6 +143,7 @@ struct cros_ec_dev *board_get_cros_ec_dev(void)
>         return local.cros_ec_dev;
>  }
>
> +#ifdef CONFIG_CROS_EC
>  static int board_init_cros_ec_devices(const void *blob)
>  {
>         local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
> @@ -151,6 +152,7 @@ static int board_init_cros_ec_devices(const void *blob)
>
>         return 0;
>  }
> +#endif
>
>  #if defined(CONFIG_POWER)
>  #ifdef CONFIG_POWER_MAX77686
> diff --git a/board/samsung/smdk5420/Makefile
> b/board/samsung/smdk5420/Makefile
> new file mode 100644
> index 0000000..be538ec
> --- /dev/null
> +++ b/board/samsung/smdk5420/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  += smdk5420_spl.o
> +
> +ifndef CONFIG_SPL_BUILD
> +COBJS  += smdk5420.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/smdk5420/smdk5420.c
> b/board/samsung/smdk5420/smdk5420.c
> new file mode 100644
> index 0000000..d85b953
> --- /dev/null
> +++ b/board/samsung/smdk5420/smdk5420.c
> @@ -0,0 +1,159 @@
> +/*
> + * Copyright (C) 2013 Samsung Electronics
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <fdtdec.h>
> +#include <asm/io.h>
> +#include <i2c.h>
> +#include <lcd.h>
> +#include <spi.h>
> +#include <asm/arch/board.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/gpio.h>
> +#include <asm/arch/pinmux.h>
> +#include <asm/arch/dp_info.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#ifdef CONFIG_USB_EHCI_EXYNOS
> +static int board_usb_vbus_init(void)
> +{
> +       struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
> +
> samsung_get_base_gpio_part1();
> +
> +       /* Enable VBUS power switch */
> +       s5p_gpio_direction_output(&gpio1->x2, 6, 1);
> +
> +       /* VBUS turn ON time */
> +       mdelay(3);
> +
> +       return 0;
> +}
> +#endif
> +
> +int exynos_init(void)
> +{
> +#ifdef CONFIG_USB_EHCI_EXYNOS
> +       board_usb_vbus_init();
> +#endif
> +       return 0;
> +}
> +
> +#ifdef CONFIG_LCD
> +void cfg_lcd_gpio(void)
> +{
> +       struct exynos5_gpio_part1 *gpio1 =
> +               (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1();
> +
> +       /* For Backlight */
> +       s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT);
> +       s5p_gpio_set_value(&gpio1->b2, 0, 1);
> +
> +       /* LCD power on */
> +       s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT);
> +       s5p_gpio_set_value(&gpio1->x1, 5, 1);
> +
> +       /* Set Hotplug detect for DP */
> +       s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3));
> +}
> +
> +vidinfo_t panel_info = {
> +       .vl_freq        = 60,
> +       .vl_col         = 2560,
> +       .vl_row         = 1600,
> +       .vl_width       = 2560,
> +       .vl_height      = 1600,
> +       .vl_clkp        = CONFIG_SYS_LOW,
> +       .vl_hsp         = CONFIG_SYS_LOW,
> +       .vl_vsp         = CONFIG_SYS_LOW,
> +       .vl_dp          = CONFIG_SYS_LOW,
> +       .vl_bpix        = 4,    /* LCD_BPP = 2^4, for output conosle on
> LCD */
> +
> +       /* wDP panel timing infomation */
> +       .vl_hspw        = 32,
> +       .vl_hbpd        = 80,
> +       .vl_hfpd        = 48,
> +
> +       .vl_vspw        = 6,
> +       .vl_vbpd        = 37,
> +       .vl_vfpd        = 3,
> +       .vl_cmd_allow_len = 0xf,
> +
> +       .win_id         = 3,
> +       .cfg_gpio       = cfg_lcd_gpio,
> +       .backlight_on   = NULL,
> +       .lcd_power_on   = NULL,
> +       .reset_lcd      = NULL,
> +       .dual_lcd_enabled = 0,
> +
> +       .init_delay     = 0,
> +       .power_on_delay = 0,
> +       .reset_delay    = 0,
> +       .interface_mode = FIMD_RGB_INTERFACE,
> +       .dp_enabled     = 1,
> +};
> +
> +static struct edp_device_info edp_info = {
> +       .disp_info = {
> +               .h_res = 2560,
> +               .h_sync_width = 32,
> +               .h_back_porch = 80,
> +               .h_front_porch = 48,
> +               .v_res = 1600,
> +               .v_sync_width  = 6,
> +               .v_back_porch = 37,
> +               .v_front_porch = 3,
> +               .v_sync_rate = 60,
> +       },
> +       .lt_info = {
> +               .lt_status = DP_LT_NONE,
> +       },
> +       .video_info = {
> +               .master_mode = 0,
> +               .bist_mode = DP_DISABLE,
> +               .bist_pattern = NO_PATTERN,
> +               .h_sync_polarity = 0,
> +               .v_sync_polarity = 0,
> +               .interlaced = 0,
> +               .color_space = COLOR_RGB,
> +               .dynamic_range = VESA,
> +               .ycbcr_coeff = COLOR_YCBCR601,
> +               .color_depth = COLOR_8,
> +       },
> +};
> +
> +static struct exynos_dp_platform_data dp_platform_data = {
> +       .phy_enable     = set_dp_phy_ctrl,
> +       .edp_dev_info   = &edp_info,
> +};
> +
> +void init_panel_info(vidinfo_t *vid)
> +{
> +       vid->rgb_mode   = MODE_RGB_P,
> +
> +       exynos_set_dp_platform_data(&dp_platform_data);
> +}
> +#endif
> +
> +int board_get_revision(void)
> +{
> +       return 0;
> +}
> +
> +#ifdef CONFIG_DISPLAY_BOARDINFO
> +int checkboard(void)
> +{
> +       const char *board_name;
> +
> +       board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
> +       if (board_name == NULL)
> +               printf("\nUnknown Board\n");
> +       else
> +               printf("\nBoard: %s\n", board_name);
> +
> +       return 0;
> +}
> +#endif
> diff --git a/board/samsung/smdk5420/smdk5420_spl.c
> b/board/samsung/smdk5420/smdk5420_spl.c
> new file mode 100644
> index 0000000..73359f7
> --- /dev/null
> +++ b/board/samsung/smdk5420/smdk5420_spl.c
> @@ -0,0 +1,52 @@
> +/*
> + * Copyright (C) 2013 The Chromium OS Authors.
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/spl.h>
> +#include <asm/arch/clk.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   = 900,
> +       .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/boards.cfg b/boards.cfg
> index aa2ee64..e476ebc 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -272,6 +272,7 @@ Active  arm         armv7          exynos      samsung
>         arndale
>  Active  arm         armv7          exynos      samsung         origen
>          origen                               -
>
>                         Chander Kashyap <k.chander@samsung.com>
>  Active  arm         armv7          exynos      samsung         smdk5250
>          smdk5250                             -
>
>                         Chander Kashyap <k.chander@samsung.com>
>  Active  arm         armv7          exynos      samsung         smdk5250
>          snow                                 -
>
>                         Rajeshwari Shinde <rajeshwari.s@samsung.com>
> +Active  arm         armv7          exynos      samsung         smdk5420
>          smdk5420                                 -
>
>                             Rajeshwari Shinde <rajeshwari.s@samsung.com>
>  Active  arm         armv7          exynos      samsung         smdkv310
>          smdkv310                             -
>
>                         Chander Kashyap <k.chander@samsung.com>
>  Active  arm         armv7          exynos      samsung         trats
>           trats                                -
>
>                           Lukasz Majewski <l.majewski@samsung.com>
>  Active  arm         armv7          exynos      samsung         trats2
>          trats2                               -
>
>                         Piotr Wilczek <p.wilczek@samsung.com>
> diff --git a/tools/Makefile b/tools/Makefile
> index ca76f94..fcff6be 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -53,6 +53,7 @@ BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) +=
> xway-swap-bytes$(SFX)
>  BIN_FILES-y += mkenvimage$(SFX)
>  BIN_FILES-y += mkimage$(SFX)
>  BIN_FILES-$(CONFIG_EXYNOS5250) += mk$(BOARD)spl$(SFX)
> +BIN_FILES-$(CONFIG_EXYNOS5420) += mk$(BOARD)spl$(SFX)
>  BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX)
>  BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
>  BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
> @@ -88,6 +89,7 @@ OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc.o
>  OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o
>  OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o
>  OBJ_FILES-$(CONFIG_EXYNOS5250) += mkexynosspl.o
> +OBJ_FILES-$(CONFIG_EXYNOS5420) += mkexynosspl.o
>

How about use same configuration for making mkexynosspl?
e.g) CONFIG_EXYNOS_SPL?


>  OBJ_FILES-$(CONFIG_KIRKWOOD) += kwboot.o
>  OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o
>  OBJ_FILES-$(CONFIG_MX23) += mxsboot.o
> --
> 1.7.12.4
>
> _______________________________________________
> U-Boot mailing list
> U-Boot@lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>


Thanks,
Minkyu Kang.

Patch

diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
index 9ebfc42..2512a59 100644
--- a/board/samsung/common/board.c
+++ b/board/samsung/common/board.c
@@ -143,6 +143,7 @@  struct cros_ec_dev *board_get_cros_ec_dev(void)
 	return local.cros_ec_dev;
 }
 
+#ifdef CONFIG_CROS_EC
 static int board_init_cros_ec_devices(const void *blob)
 {
 	local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
@@ -151,6 +152,7 @@  static int board_init_cros_ec_devices(const void *blob)
 
 	return 0;
 }
+#endif
 
 #if defined(CONFIG_POWER)
 #ifdef CONFIG_POWER_MAX77686
diff --git a/board/samsung/smdk5420/Makefile b/board/samsung/smdk5420/Makefile
new file mode 100644
index 0000000..be538ec
--- /dev/null
+++ b/board/samsung/smdk5420/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	+= smdk5420_spl.o
+
+ifndef CONFIG_SPL_BUILD
+COBJS	+= smdk5420.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/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
new file mode 100644
index 0000000..d85b953
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -0,0 +1,159 @@ 
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include <lcd.h>
+#include <spi.h>
+#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/dp_info.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_USB_EHCI_EXYNOS
+static int board_usb_vbus_init(void)
+{
+	struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+						samsung_get_base_gpio_part1();
+
+	/* Enable VBUS power switch */
+	s5p_gpio_direction_output(&gpio1->x2, 6, 1);
+
+	/* VBUS turn ON time */
+	mdelay(3);
+
+	return 0;
+}
+#endif
+
+int exynos_init(void)
+{
+#ifdef CONFIG_USB_EHCI_EXYNOS
+	board_usb_vbus_init();
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_LCD
+void cfg_lcd_gpio(void)
+{
+	struct exynos5_gpio_part1 *gpio1 =
+		(struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1();
+
+	/* For Backlight */
+	s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT);
+	s5p_gpio_set_value(&gpio1->b2, 0, 1);
+
+	/* LCD power on */
+	s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT);
+	s5p_gpio_set_value(&gpio1->x1, 5, 1);
+
+	/* Set Hotplug detect for DP */
+	s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3));
+}
+
+vidinfo_t panel_info = {
+	.vl_freq	= 60,
+	.vl_col		= 2560,
+	.vl_row		= 1600,
+	.vl_width	= 2560,
+	.vl_height	= 1600,
+	.vl_clkp	= CONFIG_SYS_LOW,
+	.vl_hsp		= CONFIG_SYS_LOW,
+	.vl_vsp		= CONFIG_SYS_LOW,
+	.vl_dp		= CONFIG_SYS_LOW,
+	.vl_bpix	= 4,	/* LCD_BPP = 2^4, for output conosle on LCD */
+
+	/* wDP panel timing infomation */
+	.vl_hspw	= 32,
+	.vl_hbpd	= 80,
+	.vl_hfpd	= 48,
+
+	.vl_vspw	= 6,
+	.vl_vbpd	= 37,
+	.vl_vfpd	= 3,
+	.vl_cmd_allow_len = 0xf,
+
+	.win_id		= 3,
+	.cfg_gpio	= cfg_lcd_gpio,
+	.backlight_on	= NULL,
+	.lcd_power_on	= NULL,
+	.reset_lcd	= NULL,
+	.dual_lcd_enabled = 0,
+
+	.init_delay	= 0,
+	.power_on_delay = 0,
+	.reset_delay	= 0,
+	.interface_mode = FIMD_RGB_INTERFACE,
+	.dp_enabled	= 1,
+};
+
+static struct edp_device_info edp_info = {
+	.disp_info = {
+		.h_res = 2560,
+		.h_sync_width = 32,
+		.h_back_porch = 80,
+		.h_front_porch = 48,
+		.v_res = 1600,
+		.v_sync_width  = 6,
+		.v_back_porch = 37,
+		.v_front_porch = 3,
+		.v_sync_rate = 60,
+	},
+	.lt_info = {
+		.lt_status = DP_LT_NONE,
+	},
+	.video_info = {
+		.master_mode = 0,
+		.bist_mode = DP_DISABLE,
+		.bist_pattern = NO_PATTERN,
+		.h_sync_polarity = 0,
+		.v_sync_polarity = 0,
+		.interlaced = 0,
+		.color_space = COLOR_RGB,
+		.dynamic_range = VESA,
+		.ycbcr_coeff = COLOR_YCBCR601,
+		.color_depth = COLOR_8,
+	},
+};
+
+static struct exynos_dp_platform_data dp_platform_data = {
+	.phy_enable	= set_dp_phy_ctrl,
+	.edp_dev_info	= &edp_info,
+};
+
+void init_panel_info(vidinfo_t *vid)
+{
+	vid->rgb_mode   = MODE_RGB_P,
+
+	exynos_set_dp_platform_data(&dp_platform_data);
+}
+#endif
+
+int board_get_revision(void)
+{
+	return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	const char *board_name;
+
+	board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+	if (board_name == NULL)
+		printf("\nUnknown Board\n");
+	else
+		printf("\nBoard: %s\n", board_name);
+
+	return 0;
+}
+#endif
diff --git a/board/samsung/smdk5420/smdk5420_spl.c b/board/samsung/smdk5420/smdk5420_spl.c
new file mode 100644
index 0000000..73359f7
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420_spl.c
@@ -0,0 +1,52 @@ 
+/*
+ * Copyright (C) 2013 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/spl.h>
+#include <asm/arch/clk.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	= 900,
+	.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/boards.cfg b/boards.cfg
index aa2ee64..e476ebc 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -272,6 +272,7 @@  Active  arm         armv7          exynos      samsung         arndale
 Active  arm         armv7          exynos      samsung         origen              origen                               -                                                                                                                                 Chander Kashyap <k.chander@samsung.com>
 Active  arm         armv7          exynos      samsung         smdk5250            smdk5250                             -                                                                                                                                 Chander Kashyap <k.chander@samsung.com>
 Active  arm         armv7          exynos      samsung         smdk5250            snow                                 -                                                                                                                                 Rajeshwari Shinde <rajeshwari.s@samsung.com>
+Active  arm         armv7          exynos      samsung         smdk5420            smdk5420                                 -                                                                                                                                 Rajeshwari Shinde <rajeshwari.s@samsung.com>
 Active  arm         armv7          exynos      samsung         smdkv310            smdkv310                             -                                                                                                                                 Chander Kashyap <k.chander@samsung.com>
 Active  arm         armv7          exynos      samsung         trats               trats                                -                                                                                                                                 Lukasz Majewski <l.majewski@samsung.com>
 Active  arm         armv7          exynos      samsung         trats2              trats2                               -                                                                                                                                 Piotr Wilczek <p.wilczek@samsung.com>
diff --git a/tools/Makefile b/tools/Makefile
index ca76f94..fcff6be 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -53,6 +53,7 @@  BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) += xway-swap-bytes$(SFX)
 BIN_FILES-y += mkenvimage$(SFX)
 BIN_FILES-y += mkimage$(SFX)
 BIN_FILES-$(CONFIG_EXYNOS5250) += mk$(BOARD)spl$(SFX)
+BIN_FILES-$(CONFIG_EXYNOS5420) += mk$(BOARD)spl$(SFX)
 BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX)
 BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
 BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
@@ -88,6 +89,7 @@  OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc.o
 OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o
 OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o
 OBJ_FILES-$(CONFIG_EXYNOS5250) += mkexynosspl.o
+OBJ_FILES-$(CONFIG_EXYNOS5420) += mkexynosspl.o
 OBJ_FILES-$(CONFIG_KIRKWOOD) += kwboot.o
 OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o
 OBJ_FILES-$(CONFIG_MX23) += mxsboot.o