stm32: add support for stm32f7 & stm32f746 discovery board

This patch adds support for stm32f7 family & stm32f746 board.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/include/configs/stm32f746-disco.h b/include/configs/stm32f746-disco.h
new file mode 100644
index 0000000..e1b8bcb
--- /dev/null
+++ b/include/configs/stm32f746-disco.h
@@ -0,0 +1,89 @@
+/*
+ * (C) Copyright 2016
+ * Vikas Manocha, <vikas.manocha@st.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_SYS_THUMB_BUILD
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_OF_LIBFDT
+#define CONFIG_BOARD_EARLY_INIT_F
+
+#define CONFIG_SYS_FLASH_BASE		0x08000000
+#define CONFIG_SYS_INIT_SP_ADDR		0x20050000
+#define CONFIG_SYS_TEXT_BASE		0x08000000
+
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_DCACHE_OFF
+
+/*
+ * Configuration of the external SDRAM memory
+ */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_RAM_SIZE		((64 + 192) << 10)
+#define CONFIG_SYS_RAM_CS		1
+#define CONFIG_SYS_RAM_FREQ_DIV		2
+#define CONFIG_SYS_RAM_BASE		0x20000000
+#define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_RAM_BASE
+#define CONFIG_SYS_LOAD_ADDR		0x20000000
+#define CONFIG_LOADADDR			0x20000000
+
+#define CONFIG_SYS_MAX_FLASH_SECT	12
+#define CONFIG_SYS_MAX_FLASH_BANKS	2
+
+#ifndef CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_IS_IN_FLASH
+#else
+#define CONFIG_ENV_IS_NOWHERE
+#endif
+#define CONFIG_ENV_SIZE			(8 << 10)
+
+#define CONFIG_STM32_GPIO
+#define CONFIG_STM32X7_SERIAL
+
+#define CONFIG_SYS_CLK_FREQ		16*1000*1000 /* 180 MHz */
+#define CONFIG_SYS_HZ_CLOCK		1000000	/* Timer is clocked at 1MHz */
+
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_REVISION_TAG
+
+#define CONFIG_SYS_CBSIZE		1024
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE \
+					+ sizeof(CONFIG_SYS_PROMPT) + 16)
+
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_SYS_MALLOC_LEN		(16 * 1024)
+#define CONFIG_STACKSIZE		(64 << 10)
+
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_BOOTARGS							\
+	"console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
+#define CONFIG_BOOTCOMMAND						\
+	"run bootcmd_romfs"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"bootargs_romfs=uclinux.physaddr=0x08180000 root=/dev/mtdblock0\0" \
+	"bootcmd_romfs=setenv bootargs ${bootargs} ${bootargs_romfs};" \
+	"bootm 0x08044000 - 0x08042000\0"
+
+#define CONFIG_BOOTDELAY		3
+
+/*
+ * Command line configuration.
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+
+#define CONFIG_CMD_MEM
+#define CONFIG_CMD_TIMER
+#undef CONFIG_CMD_IMLS
+#endif /* __CONFIG_H */