board: samsung: add initial Espresso7420 board support

Espresso7420 is a development/evaluation board for Exynos7420 SoC. It
includes multiple onboard compoments (EMMC/Codec) and various
interconnects (USB/HDMI).

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d1f8e2245148bb94fc06f36f0c855b594e246da3..da257151d85791e7a8f62f72db34eb412b2ad99d 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -21,6 +21,7 @@ dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
        exynos5420-peach-pit.dtb \
        exynos5800-peach-pi.dtb \
        exynos5422-odroidxu3.dtb
+dtb-$(CONFIG_EXYNOS7420) += exynos7420-espresso7420.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += \
        rk3288-firefly.dtb \
        rk3288-jerry.dtb \

diff --git a/arch/arm/dts/exynos7420-espresso7420.dts b/arch/arm/dts/exynos7420-espresso7420.dts
new file mode 100644 (file)
index 0000000..f17a848
--- /dev/null
+++ b/arch/arm/dts/exynos7420-espresso7420.dts
@@ -0,0 +1,24 @@
+/*
+ * Samsung Espresso7420 board device tree source
+ *
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include "exynos7420.dtsi"
+/ {
+       model = "Samsung Espresso7420 board based on Exynos7420";
+       compatible = "samsung,espresso7420", "samsung,exynos7420";
+
+       aliases {
+               serial2 = "/serial@14C30000";
+               console = "/serial@14C30000";
+               pinctrl0 = "/pinctrl@13470000";
+       };
+};
+
+&fin_pll {
+       clock-frequency = <24000000>;
+};

diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 0a6cb33bab3b4ef6b5a5f2a85c9aa901e615f599..c25fcf3f9f2d7534c454dadb3a6e9c821ddec393 100644 (file)
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -109,6 +109,24 @@ config TARGET_PEACH_PIT
 endchoice
 endif
 
+if ARCH_EXYNOS7
+
+choice
+       prompt "EXYNOS7 board select"
+
+config  TARGET_ESPRESSO7420
+       bool "ESPRESSO7420 board"
+       select ARM64
+       select SUPPORT_SPL
+       select OF_CONTROL
+       select SPL_DISABLE_OF_CONTROL
+       select PINCTRL
+       select PINCTRL_EXYNOS7420
+       select CLK_EXYNOS
+
+endchoice
+endif
+
 config SYS_SOC
        default "exynos"
 
@@ -121,5 +139,6 @@ source "board/samsung/odroid/Kconfig"
 source "board/samsung/arndale/Kconfig"
 source "board/samsung/smdk5250/Kconfig"
 source "board/samsung/smdk5420/Kconfig"
+source "board/samsung/espresso7420/Kconfig"
 
 endif

diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
index 1334c22ddd90f171f63540fc9b8bcf798240cb88..799517428db70fe2bda29b08f8ab1e5330785067 100644 (file)
--- a/board/samsung/common/board.c
+++ b/board/samsung/common/board.c
@@ -27,6 +27,8 @@
 #include <usb.h>
 #include <dwc3-uboot.h>
 #include <samsung/misc.h>
+#include <dm/pinctrl.h>
+#include <dm.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -97,7 +99,7 @@ int board_init(void)
 int dram_init(void)
 {
        unsigned int i;
-       u32 addr;
+       unsigned long addr;
 
        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
                addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
@@ -109,7 +111,7 @@ int dram_init(void)
 void dram_init_banksize(void)
 {
        unsigned int i;
-       u32 addr, size;
+       unsigned long addr, size;
 
        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
                addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
@@ -122,6 +124,7 @@ void dram_init_banksize(void)
 
 static int board_uart_init(void)
 {
+#ifndef CONFIG_PINCTRL_EXYNOS
        int err, uart_id, ret = 0;
 
        for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
@@ -133,6 +136,9 @@ static int board_uart_init(void)
                }
        }
        return ret;
+#else
+       return 0;
+#endif
 }
 
 #ifdef CONFIG_BOARD_EARLY_INIT_F

diff --git a/board/samsung/espresso7420/Kconfig b/board/samsung/espresso7420/Kconfig
new file mode 100644 (file)
index 0000000..62251c5
--- /dev/null
+++ b/board/samsung/espresso7420/Kconfig
@@ -0,0 +1,16 @@
+if TARGET_ESPRESSO7420
+
+config SYS_BOARD
+       default "espresso7420"
+       help
+         Espresso7420 is a development/evaluation board for Exynos7420 SoC.
+         It includes multiple onboard compoments (EMMC/Codec) and various
+         interconnects (USB/HDMI).
+
+config SYS_VENDOR
+       default "samsung"
+
+config SYS_CONFIG_NAME
+       default "espresso7420"
+
+endif

diff --git a/board/samsung/espresso7420/MAINTAINERS b/board/samsung/espresso7420/MAINTAINERS
new file mode 100644 (file)
index 0000000..aaebc4c
--- /dev/null
+++ b/board/samsung/espresso7420/MAINTAINERS
@@ -0,0 +1,5 @@
+ESPRESSO7420 Board
+M:     Thomas Abraham <thomas.ab@samsung.com>
+S:     Maintained
+F:     board/samsung/espresso7420/
+F:     include/configs/espresso7420.h

diff --git a/board/samsung/espresso7420/Makefile b/board/samsung/espresso7420/Makefile
new file mode 100644 (file)
index 0000000..d514dc2
--- /dev/null
+++ b/board/samsung/espresso7420/Makefile
@@ -0,0 +1,10 @@
+#
+# Copyright (C) 2016 Samsung Electronics
+# Thomas Abraham <thomas.ab@samsung.com>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+ifndef CONFIG_SPL_BUILD
+obj-y  += espresso7420.o
+endif

diff --git a/board/samsung/espresso7420/espresso7420.c b/board/samsung/espresso7420/espresso7420.c
new file mode 100644 (file)
index 0000000..04a83bc
--- /dev/null
+++ b/board/samsung/espresso7420/espresso7420.c
@@ -0,0 +1,16 @@
+/*
+ * Espresso7420 board file
+ * Copyright (C) 2016 Samsung Electronics
+ * Thomas Abraham <thomas.ab@samsung.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int exynos_init(void)
+{
+       return 0;
+}

diff --git a/configs/espresso7420_defconfig b/configs/espresso7420_defconfig
new file mode 100644 (file)
index 0000000..0fe2759
--- /dev/null
+++ b/configs/espresso7420_defconfig
@@ -0,0 +1,9 @@
+CONFIG_ARM=y
+CONFIG_ARCH_EXYNOS=y
+CONFIG_ARCH_EXYNOS7=y
+CONFIG_TARGET_ESPRESSO7420=y
+CONFIG_DEFAULT_DEVICE_TREE="exynos7420-espresso7420"
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_SYS_PROMPT="ESPRESSO7420 # "
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_SETEXPR is not set