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authorVikas Manocha <vikas.manocha@st.com>2016-03-09 15:18:13 -0800
committerTom Rini <trini@konsulko.com>2016-03-26 18:49:28 -0400
commit9ecb0c416c68d3105bc9b6607bc8601cab2ecf35 (patch)
tree049e372d9109963019def79dceebaf24d8713c2e /arch/arm/include/asm
parentf9d0fd8a566f78f27a510258c34b3526f9822e92 (diff)
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stm32: stm32f4: move flash driver to mtd driver location
Same flash driver can be used by other stm32 families like stm32f7. Better place for this driver would be mtd driver location. Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r--arch/arm/include/asm/arch-stm32f4/stm32.h31
1 files changed, 9 insertions, 22 deletions
diff --git a/arch/arm/include/asm/arch-stm32f4/stm32.h b/arch/arm/include/asm/arch-stm32f4/stm32.h
index 7d6331b6b2..6cc19664dd 100644
--- a/arch/arm/include/asm/arch-stm32f4/stm32.h
+++ b/arch/arm/include/asm/arch-stm32f4/stm32.h
@@ -82,16 +82,6 @@ struct stm32_pwr_regs {
u32 csr;
};
-struct stm32_flash_regs {
- u32 acr;
- u32 key;
- u32 optkeyr;
- u32 sr;
- u32 cr;
- u32 optcr;
- u32 optcr1;
-};
-
/*
* Registers access macros
*/
@@ -104,18 +94,6 @@ struct stm32_flash_regs {
#define STM32_PWR_BASE (STM32_APB1PERIPH_BASE + 0x7000)
#define STM32_PWR ((struct stm32_pwr_regs *)STM32_PWR_BASE)
-#define STM32_FLASH_BASE (STM32_AHB1PERIPH_BASE + 0x3C00)
-#define STM32_FLASH ((struct stm32_flash_regs *)STM32_FLASH_BASE)
-
-#define STM32_FLASH_SR_BSY (1 << 16)
-
-#define STM32_FLASH_CR_PG (1 << 0)
-#define STM32_FLASH_CR_SER (1 << 1)
-#define STM32_FLASH_CR_STRT (1 << 16)
-#define STM32_FLASH_CR_LOCK (1 << 31)
-#define STM32_FLASH_CR_SNB_OFFSET 3
-#define STM32_FLASH_CR_SNB_MASK (15 << STM32_FLASH_CR_SNB_OFFSET)
-
/*
* Peripheral base addresses
*/
@@ -124,6 +102,14 @@ struct stm32_flash_regs {
#define STM32_USART3_BASE (STM32_APB1PERIPH_BASE + 0x4800)
#define STM32_USART6_BASE (STM32_APB2PERIPH_BASE + 0x1400)
+#define FLASH_CNTL_BASE (STM32_AHB1PERIPH_BASE + 0x3C00)
+
+static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
+ [0 ... 3] = 16 * 1024,
+ [4] = 64 * 1024,
+ [5 ... 11] = 128 * 1024
+};
+
enum clock {
CLOCK_CORE,
CLOCK_AHB,
@@ -133,5 +119,6 @@ enum clock {
int configure_clocks(void);
unsigned long clock_get(enum clock clck);
+void stm32_flash_latency_cfg(int latency);
#endif /* _MACH_STM32_H_ */
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