Patchwork [U-Boot,06/10,V4] Exynos5420: Add base patch for SMDK5420

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Submitter Rajeshwari Birje
Date Sept. 27, 2013, 12:10 p.m.
Message ID <1380283855-8070-7-git-send-email-rajeshwari.s@samsung.com>
Download mbox | patch
Permalink /patch/278562/
State Changes Requested
Delegated to: Minkyu Kang
Headers show

Comments

Rajeshwari Birje - Sept. 27, 2013, 12:10 p.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>
---
Changes in V2:
	- None
Changes in V3:
	- None
Changes in V4:
	- Rebased on latest u-boot-samsung tree.
 board/samsung/common/board.c          |   2 +
 board/samsung/smdk5420/Makefile       |  34 +++++
 board/samsung/smdk5420/smdk5420.c     | 253 ++++++++++++++++++++++++++++++++++
 board/samsung/smdk5420/smdk5420_spl.c |  52 +++++++
 boards.cfg                            |   1 +
 tools/Makefile                        |   2 +
 6 files changed, 344 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
Simon Glass - Oct. 8, 2013, 5:37 p.m.
Hi Rajeshwari,

On Fri, Sep 27, 2013 at 6:10 AM, 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>
> ---
> Changes in V2:
>         - None
> Changes in V3:
>         - None
> Changes in V4:
>         - Rebased on latest u-boot-samsung tree.
>  board/samsung/common/board.c          |   2 +
>  board/samsung/smdk5420/Makefile       |  34 +++++
>  board/samsung/smdk5420/smdk5420.c     | 253
> ++++++++++++++++++++++++++++++++++
>  board/samsung/smdk5420/smdk5420_spl.c |  52 +++++++
>  boards.cfg                            |   1 +
>  tools/Makefile                        |   2 +
>  6 files changed, 344 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 7193c90..ce85ddb 100644
> --- a/board/samsung/common/board.c
> +++ b/board/samsung/common/board.c
> @@ -139,6 +139,7 @@ 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);
> @@ -147,6 +148,7 @@ 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..cf76455
> --- /dev/null
> +++ b/board/samsung/smdk5420/smdk5420.c
> @@ -0,0 +1,253 @@
> +/*
> + * 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 <netdev.h>
> +#include <spi.h>
> +#include <asm/arch/board.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/dwmmc.h>
> +#include <asm/arch/gpio.h>
> +#include <asm/arch/mmc.h>
> +#include <asm/arch/pinmux.h>
> +#include <asm/arch/sromc.h>
> +#include <asm/arch/dp_info.h>
> +#include <power/pmic.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;
> +}
> +
> +static int decode_sromc(const void *blob, struct fdt_sromc *config)
> +{
> +       int err;
> +       int node;
> +
> +       node = fdtdec_next_compatible(blob, 0,
> COMPAT_SAMSUNG_EXYNOS5_SROMC);
> +       if (node < 0) {
> +               debug("Could not find SROMC node\n");
> +               return node;
> +       }
> +
> +       config->bank = fdtdec_get_int(blob, node, "bank", 0);
> +       config->width = fdtdec_get_int(blob, node, "width", 2);
> +
> +       err = fdtdec_get_int_array(blob, node, "srom-timing",
> config->timing,
> +                       FDT_SROM_TIMING_COUNT);
> +       if (err < 0) {
> +               debug("Could not decode SROMC configuration Error: %s\n",
> +                     fdt_strerror(err));
> +               return -FDT_ERR_NOTFOUND;
> +       }
> +       return 0;
> +}
> +
> +int board_eth_init(bd_t *bis)
> +{
> +#ifdef CONFIG_SMC911X
> +       u32 smc_bw_conf, smc_bc_conf;
> +       struct fdt_sromc config;
> +       fdt_addr_t base_addr;
> +       int node;
> +
> +       node = decode_sromc(gd->fdt_blob, &config);
> +       if (node < 0) {
> +               debug("%s: Could not find sromc configuration\n",
> __func__);
> +               return 0;
> +       }
> +       node = fdtdec_next_compatible(gd->fdt_blob, node,
> COMPAT_SMSC_LAN9215);
> +       if (node < 0) {
> +               debug("%s: Could not find lan9215 configuration\n",
> __func__);
> +               return 0;
> +       }
> +
> +       /* We now have a node, so any problems from now on are errors */
> +       base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
> +       if (base_addr == FDT_ADDR_T_NONE) {
> +               debug("%s: Could not find lan9215 address\n", __func__);
> +               return -1;
> +       }
> +
> +       /* Ethernet needs data bus width of 16 bits */
> +       if (config.width != 2) {
> +               debug("%s: Unsupported bus width %d\n", __func__,
> +                     config.width);
> +               return -1;
> +       }
> +       smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
> +                       | SROMC_BYTE_ENABLE(config.bank);
> +
> +       smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |
> +                       SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
> +                       SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
> +                       SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
> +                       SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |
> +                       SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
> +                       SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
> +
> +       /* Select and configure the SROMC bank */
> +       exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
> +       s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
> +       return smc911x_initialize(0, base_addr);
> +#endif
> +       return 0;
> +}
>

Can the above two functions go into the board/samsung/common/board.c file
perhaps?

Regards,
Simon
Rajeshwari Birje - Oct. 9, 2013, 1:28 p.m.
Hi Simon,

I guess you meant decode_sromc and board_eth_init functions.
Will add them in board.c and send next version.

Regards,
Rajeshwari Shinde

On Tue, Oct 8, 2013 at 11:07 PM, Simon Glass <sjg@chromium.org> wrote:
> Hi Rajeshwari,
>
> On Fri, Sep 27, 2013 at 6:10 AM, 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>
>> ---
>> Changes in V2:
>>         - None
>> Changes in V3:
>>         - None
>> Changes in V4:
>>         - Rebased on latest u-boot-samsung tree.
>>  board/samsung/common/board.c          |   2 +
>>  board/samsung/smdk5420/Makefile       |  34 +++++
>>  board/samsung/smdk5420/smdk5420.c     | 253
>> ++++++++++++++++++++++++++++++++++
>>  board/samsung/smdk5420/smdk5420_spl.c |  52 +++++++
>>  boards.cfg                            |   1 +
>>  tools/Makefile                        |   2 +
>>  6 files changed, 344 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 7193c90..ce85ddb 100644
>> --- a/board/samsung/common/board.c
>> +++ b/board/samsung/common/board.c
>> @@ -139,6 +139,7 @@ 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);
>> @@ -147,6 +148,7 @@ 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..cf76455
>> --- /dev/null
>> +++ b/board/samsung/smdk5420/smdk5420.c
>> @@ -0,0 +1,253 @@
>> +/*
>> + * 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 <netdev.h>
>> +#include <spi.h>
>> +#include <asm/arch/board.h>
>> +#include <asm/arch/cpu.h>
>> +#include <asm/arch/dwmmc.h>
>> +#include <asm/arch/gpio.h>
>> +#include <asm/arch/mmc.h>
>> +#include <asm/arch/pinmux.h>
>> +#include <asm/arch/sromc.h>
>> +#include <asm/arch/dp_info.h>
>> +#include <power/pmic.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;
>> +}
>> +
>> +static int decode_sromc(const void *blob, struct fdt_sromc *config)
>> +{
>> +       int err;
>> +       int node;
>> +
>> +       node = fdtdec_next_compatible(blob, 0,
>> COMPAT_SAMSUNG_EXYNOS5_SROMC);
>> +       if (node < 0) {
>> +               debug("Could not find SROMC node\n");
>> +               return node;
>> +       }
>> +
>> +       config->bank = fdtdec_get_int(blob, node, "bank", 0);
>> +       config->width = fdtdec_get_int(blob, node, "width", 2);
>> +
>> +       err = fdtdec_get_int_array(blob, node, "srom-timing",
>> config->timing,
>> +                       FDT_SROM_TIMING_COUNT);
>> +       if (err < 0) {
>> +               debug("Could not decode SROMC configuration Error: %s\n",
>> +                     fdt_strerror(err));
>> +               return -FDT_ERR_NOTFOUND;
>> +       }
>> +       return 0;
>> +}
>> +
>> +int board_eth_init(bd_t *bis)
>> +{
>> +#ifdef CONFIG_SMC911X
>> +       u32 smc_bw_conf, smc_bc_conf;
>> +       struct fdt_sromc config;
>> +       fdt_addr_t base_addr;
>> +       int node;
>> +
>> +       node = decode_sromc(gd->fdt_blob, &config);
>> +       if (node < 0) {
>> +               debug("%s: Could not find sromc configuration\n",
>> __func__);
>> +               return 0;
>> +       }
>> +       node = fdtdec_next_compatible(gd->fdt_blob, node,
>> COMPAT_SMSC_LAN9215);
>> +       if (node < 0) {
>> +               debug("%s: Could not find lan9215 configuration\n",
>> __func__);
>> +               return 0;
>> +       }
>> +
>> +       /* We now have a node, so any problems from now on are errors */
>> +       base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
>> +       if (base_addr == FDT_ADDR_T_NONE) {
>> +               debug("%s: Could not find lan9215 address\n", __func__);
>> +               return -1;
>> +       }
>> +
>> +       /* Ethernet needs data bus width of 16 bits */
>> +       if (config.width != 2) {
>> +               debug("%s: Unsupported bus width %d\n", __func__,
>> +                     config.width);
>> +               return -1;
>> +       }
>> +       smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
>> +                       | SROMC_BYTE_ENABLE(config.bank);
>> +
>> +       smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |
>> +                       SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
>> +                       SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
>> +                       SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
>> +                       SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |
>> +                       SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
>> +                       SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
>> +
>> +       /* Select and configure the SROMC bank */
>> +       exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
>> +       s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
>> +       return smc911x_initialize(0, base_addr);
>> +#endif
>> +       return 0;
>> +}
>>
>
> Can the above two functions go into the board/samsung/common/board.c file
> perhaps?
>
> Regards,
> Simon
>
> _______________________________________________
> U-Boot mailing list
> U-Boot@lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>

Patch

diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
index 7193c90..ce85ddb 100644
--- a/board/samsung/common/board.c
+++ b/board/samsung/common/board.c
@@ -139,6 +139,7 @@  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);
@@ -147,6 +148,7 @@  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..cf76455
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -0,0 +1,253 @@ 
+/*
+ * 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 <netdev.h>
+#include <spi.h>
+#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/sromc.h>
+#include <asm/arch/dp_info.h>
+#include <power/pmic.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;
+}
+
+static int decode_sromc(const void *blob, struct fdt_sromc *config)
+{
+	int err;
+	int node;
+
+	node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
+	if (node < 0) {
+		debug("Could not find SROMC node\n");
+		return node;
+	}
+
+	config->bank = fdtdec_get_int(blob, node, "bank", 0);
+	config->width = fdtdec_get_int(blob, node, "width", 2);
+
+	err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
+			FDT_SROM_TIMING_COUNT);
+	if (err < 0) {
+		debug("Could not decode SROMC configuration Error: %s\n",
+		      fdt_strerror(err));
+		return -FDT_ERR_NOTFOUND;
+	}
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+	u32 smc_bw_conf, smc_bc_conf;
+	struct fdt_sromc config;
+	fdt_addr_t base_addr;
+	int node;
+
+	node = decode_sromc(gd->fdt_blob, &config);
+	if (node < 0) {
+		debug("%s: Could not find sromc configuration\n", __func__);
+		return 0;
+	}
+	node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
+	if (node < 0) {
+		debug("%s: Could not find lan9215 configuration\n", __func__);
+		return 0;
+	}
+
+	/* We now have a node, so any problems from now on are errors */
+	base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
+	if (base_addr == FDT_ADDR_T_NONE) {
+		debug("%s: Could not find lan9215 address\n", __func__);
+		return -1;
+	}
+
+	/* Ethernet needs data bus width of 16 bits */
+	if (config.width != 2) {
+		debug("%s: Unsupported bus width %d\n", __func__,
+		      config.width);
+		return -1;
+	}
+	smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
+			| SROMC_BYTE_ENABLE(config.bank);
+
+	smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |
+			SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
+			SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
+			SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
+			SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |
+			SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
+			SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
+
+	/* Select and configure the SROMC bank */
+	exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
+	s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
+	return smc911x_initialize(0, base_addr);
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+	int ret;
+
+	/* dwmmc initializattion for available channels */
+	ret = exynos_dwmmc_init(gd->fdt_blob);
+	if (ret)
+		debug("dwmmc init failed\n");
+
+	return ret;
+}
+#endif
+
+#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 e6cc56e..7003e84 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -269,6 +269,7 @@  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 c36cde2..b257f36 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