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stm32: add dual flash bank support
[openocd.git] / contrib / loaders / flash / stm32x.S
diff --git a/contrib/loaders/flash/stm32x.S b/contrib/loaders/flash/stm32x.S
index 7269e799fec7d2cfc3d787c7223b98b67bc8ca29..01494b86e9714c198fef9448f0a625d324ae836b 100644 (file)
--- a/contrib/loaders/flash/stm32x.S
+++ b/contrib/loaders/flash/stm32x.S
@@ -29,8 +29,8 @@
        r0 - source address
        r1 - target address
        r2 - count (halfword-16bit)
-       r3 - result
-       r4 - temp
+       r3 - sector offet in : result out
+       r4 - flash base
 */
 
 #define STM32_FLASH_CR_OFFSET  0x10                    /* offset of CR register in FLASH struct */
@@ -38,6 +38,7 @@
 
 write:
        ldr             r4, STM32_FLASH_BASE
+       add             r4, r3                                                          /* add offset 0x00 for sector 0 : 0x40 for sector 1 */
 write_half_word:
        movs    r3, #0x01
        str             r3, [r4, #STM32_FLASH_CR_OFFSET]        /* PG (bit0) == 1 => flash programming enabled */
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