board: Add stm32h7 SoC, discovery and evaluation boards support

This patch adds support for stm32h7 soc family, stm32h743
discovery and evaluation boards.

For more information about STM32H7 series, please visit:
http://www.st.com/en/microcontrollers/stm32h7-series.html

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

4 files changed, 89 insertions, 0 deletions

diff --git a/board/st/stm32h743-eval/Kconfig b/board/st/stm32h743-eval/Kconfig
new file mode 100644
index 0000000..ea879b1
--- /dev/null
+++ b/board/st/stm32h743-eval/Kconfig
@@ -0,0 +1,19 @@
+if TARGET_STM32H743_EVAL
+
+config SYS_BOARD
+	string
+	default "stm32h743-eval"
+
+config SYS_VENDOR
+	string
+	default "st"
+
+config SYS_SOC
+	string
+	default "stm32h7"
+
+config SYS_CONFIG_NAME
+	string
+	default "stm32h743-eval"
+
+endif
diff --git a/board/st/stm32h743-eval/MAINTAINERS b/board/st/stm32h743-eval/MAINTAINERS
new file mode 100644
index 0000000..3029c560
--- /dev/null
+++ b/board/st/stm32h743-eval/MAINTAINERS
@@ -0,0 +1,6 @@
+STM32H743 EVALUATION BOARD
+M:	Patrice Chotard <patrice.chotard@st.com>
+S:	Maintained
+F:	board/st/stm32h743-eval
+F:	include/configs/stm32h743-eval.h
+F:	configs/stm32h743-eval_defconfig
diff --git a/board/st/stm32h743-eval/Makefile b/board/st/stm32h743-eval/Makefile
new file mode 100644
index 0000000..4f25b2d
--- /dev/null
+++ b/board/st/stm32h743-eval/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2017
+# Patrice Chotard, <patrice.chotard@st.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= stm32h743-eval.o
diff --git a/board/st/stm32h743-eval/stm32h743-eval.c b/board/st/stm32h743-eval/stm32h743-eval.c
new file mode 100644
index 0000000..625b3a0
--- /dev/null
+++ b/board/st/stm32h743-eval/stm32h743-eval.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2017
+ * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+	if (ret) {
+		debug("DRAM init failed: %d\n", ret);
+		return ret;
+	}
+
+	if (fdtdec_setup_memory_size() != 0)
+		ret = -EINVAL;
+
+	return ret;
+}
+
+int dram_init_banksize(void)
+{
+	fdtdec_setup_memory_banksize();
+
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	return 0;
+}
+
+u32 get_board_rev(void)
+{
+	return 0;
+}
+
+int board_late_init(void)
+{
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
+	return 0;
+}