[U-Boot] [PATCH 9/9] board: samsung: add initial Espresso7420 board support

Thomas Abraham
2016-04-13T10:43:42Z

From: Thomas Abraham <thomas.ab@samsung.com>

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>
---
arch/arm/dts/Makefile | 1 +
arch/arm/dts/exynos7420-espresso7420.dts | 24 ++++++++++++++++++++++++
board/samsung/common/board.c | 18 ++++++++++++++++--
board/samsung/espresso7420/Kconfig | 12 ++++++++++++
board/samsung/espresso7420/MAINTAINERS | 5 +++++
board/samsung/espresso7420/Makefile | 16 ++++++++++++++++
board/samsung/espresso7420/espresso7420.c | 16 ++++++++++++++++
configs/espresso7420_defconfig | 8 ++++++++
8 files changed, 98 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/dts/exynos7420-espresso7420.dts
create mode 100644 board/samsung/espresso7420/Kconfig
create mode 100644 board/samsung/espresso7420/MAINTAINERS
create mode 100644 board/samsung/espresso7420/Makefile
create mode 100644 board/samsung/espresso7420/espresso7420.c
create mode 100644 configs/espresso7420_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ea635e4..a61bbff 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -19,6 +19,7 @@ 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
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 at 14C30000";
+ console = "/serial at 14C30000";
+ pinctrl0 = "/pinctrl at 13470000";
+ };
+};
+
+&fin_pll {
+ clock-frequency = <24000000>;
+};
diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
index 1334c22..e4f189c 100644
--- 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 +124,17 @@ void dram_init_banksize(void)

static int board_uart_init(void)
{
+#if CONFIG_PINCTRL_EXYNOS
+ struct udevice *pinctrl;
+ int ret;
+
+ ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
+ if (ret)
+ return ret;
+
+ ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART2);
+ return ret;
+#else
int err, uart_id, ret = 0;

for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
@@ -133,6 +146,7 @@ static int board_uart_init(void)
}
}
return ret;
+#endif
}

#ifdef CONFIG_BOARD_EARLY_INIT_F
diff --git a/board/samsung/espresso7420/Kconfig b/board/samsung/espresso7420/Kconfig
new file mode 100644
index 0000000..6cfead0
--- /dev/null
+++ b/board/samsung/espresso7420/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_ESPRESSO7420
+
+config SYS_BOARD
+ default "espresso7420"
+
+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
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
index 0000000..53d90fd
--- /dev/null
+++ b/board/samsung/espresso7420/Makefile
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2015 Samsung Electronics
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+#obj-y += espresso7420_spl.o
+#obj-y += clk-boot_evt1.o
+#obj-y += lpddr4_evt1.o
+#obj-y += dmc_init_lpddr4.o
+#obj-y += dmc.o
+#obj-y += clock.o clock_init.o
+
+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
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
index 0000000..604921f
--- /dev/null
+++ b/configs/espresso7420_defconfig
@@ -0,0 +1,8 @@
+CONFIG_ARM=y
+CONFIG_ARCH_EXYNOS=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
--
1.6.6.rc2