This patch enables embedded flash for stm32f746 discovery board.
Signed-off-by: Vikas Manocha <vikas.mano...@st.com>
---
arch/arm/include/asm/arch-stm32f7/stm32.h | 6 ++++++
include/configs/stm32f746-disco.h | 11 ++++-------
2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/arch/arm/include/asm/arch-stm32f7/stm32.h
b/arch/arm/include/asm/arch-stm32f7/stm32.h
index 713eb2e..68bdab0 100644
--- a/arch/arm/include/asm/arch-stm32f7/stm32.h
+++ b/arch/arm/include/asm/arch-stm32f7/stm32.h
@@ -50,6 +50,12 @@
#define SDRAM_FMC_BASE (AHB3_PERIPH_BASE + 0x4A0000140)
+static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
+ [0 ... 3] = 32 * 1024,
+ [4] = 128 * 1024,
+ [5 ... 7] = 256 * 1024
+};
+
enum clock {
CLOCK_CORE,
CLOCK_AHB,
diff --git a/include/configs/stm32f746-disco.h
b/include/configs/stm32f746-disco.h
index e1b8bcb..807ab65 100644
--- a/include/configs/stm32f746-disco.h
+++ b/include/configs/stm32f746-disco.h
@@ -9,7 +9,7 @@
#define __CONFIG_H
#define CONFIG_SYS_THUMB_BUILD
-#define CONFIG_SYS_NO_FLASH
+/*#define CONFIG_SYS_NO_FLASH*/
#define CONFIG_OF_LIBFDT
#define CONFIG_BOARD_EARLY_INIT_F
@@ -33,17 +33,14 @@
#define CONFIG_SYS_LOAD_ADDR 0x20000000
#define CONFIG_LOADADDR 0x20000000
-#define CONFIG_SYS_MAX_FLASH_SECT 12
-#define CONFIG_SYS_MAX_FLASH_BANKS 2
+#define CONFIG_SYS_MAX_FLASH_SECT 8
+#define CONFIG_SYS_MAX_FLASH_BANKS 1
-#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_STM32_FLASH
#define CONFIG_STM32X7_SERIAL
#define CONFIG_SYS_CLK_FREQ 16*1000*1000 /* 180 MHz */
--
1.9.1
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