aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--contrib/loaders/flash/stm32l4x.S12
-rw-r--r--src/flash/nor/stm32l4x.c15
2 files changed, 12 insertions, 15 deletions
diff --git a/contrib/loaders/flash/stm32l4x.S b/contrib/loaders/flash/stm32l4x.S
index 587cc33a..045f9d0d 100644
--- a/contrib/loaders/flash/stm32l4x.S
+++ b/contrib/loaders/flash/stm32l4x.S
@@ -51,9 +51,9 @@
* r4 = flash base
*
* Clobbered:
- * r5 - rp
- * r6 - temp
- * r8 - wp, tmp
+ * r5 - rp
+ * r6/7 - temp (64-bit)
+ * r8 - wp, tmp
*/
#define STM32_FLASH_CR_OFFSET 0x14 /* offset of CR register in FLASH struct */
@@ -70,10 +70,8 @@ wait_fifo:
ldr r6, STM32_PROG
str r6, [r4, #STM32_FLASH_CR_OFFSET]
- ldr r6, [r5], #0x04 /* read one word from src, increment ptr */
- str r6, [r2], #0x04 /* write one word to dst, increment ptr */
- ldr r6, [r5], #0x04 /* read one word from src, increment ptr */
- str r6, [r2], #0x04 /* write one word to dst, increment ptr */
+ ldrd r6, [r5], #0x08 /* read one word from src, increment ptr */
+ strd r6, [r2], #0x08 /* write one word to dst, increment ptr */
dsb
busy:
ldr r6, [r4, #STM32_FLASH_SR_OFFSET]
diff --git a/src/flash/nor/stm32l4x.c b/src/flash/nor/stm32l4x.c
index 2c9a8bdf..42e90bc7 100644
--- a/src/flash/nor/stm32l4x.c
+++ b/src/flash/nor/stm32l4x.c
@@ -463,14 +463,13 @@ static int stm32l4_write_block(struct flash_bank *bank, const uint8_t *buffer,
*/
static const uint8_t stm32l4_flash_write_code[] = {
- 0xd0, 0xf8, 0x00, 0x80, 0xb8, 0xf1, 0x00, 0x0f, 0x22, 0xd0, 0x45, 0x68,
- 0xb8, 0xeb, 0x05, 0x06, 0x07, 0x2e, 0xf5, 0xd3, 0xdf, 0xf8, 0x3c, 0x60,
- 0x66, 0x61, 0x55, 0xf8, 0x04, 0x6b, 0x42, 0xf8, 0x04, 0x6b, 0x55, 0xf8,
- 0x04, 0x6b, 0x42, 0xf8, 0x04, 0x6b, 0xbf, 0xf3, 0x4f, 0x8f, 0x26, 0x69,
- 0x16, 0xf4, 0x80, 0x3f, 0xfb, 0xd1, 0x16, 0xf0, 0xfa, 0x0f, 0x07, 0xd1,
- 0x8d, 0x42, 0x28, 0xbf, 0x00, 0xf1, 0x08, 0x05, 0x45, 0x60, 0x01, 0x3b,
- 0x13, 0xb1, 0xd9, 0xe7, 0x00, 0x21, 0x41, 0x60, 0x30, 0x46, 0x00, 0xbe,
- 0x01, 0x00, 0x00, 0x00
+ 0xd0, 0xf8, 0x00, 0x80, 0xb8, 0xf1, 0x00, 0x0f, 0x1e, 0xd0, 0x45, 0x68,
+ 0xb8, 0xeb, 0x05, 0x06, 0x07, 0x2e, 0xf5, 0xd3, 0xdf, 0xf8, 0x34, 0x60,
+ 0x66, 0x61, 0xf5, 0xe8, 0x02, 0x67, 0xe2, 0xe8, 0x02, 0x67, 0xbf, 0xf3,
+ 0x4f, 0x8f, 0x26, 0x69, 0x16, 0xf4, 0x80, 0x3f, 0xfb, 0xd1, 0x16, 0xf0,
+ 0xfa, 0x0f, 0x07, 0xd1, 0x8d, 0x42, 0x28, 0xbf, 0x00, 0xf1, 0x08, 0x05,
+ 0x45, 0x60, 0x01, 0x3b, 0x13, 0xb1, 0xdd, 0xe7, 0x00, 0x21, 0x41, 0x60,
+ 0x30, 0x46, 0x00, 0xbe, 0x01, 0x00, 0x00, 0x00
};
if (target_alloc_working_area(target, sizeof(stm32l4_flash_write_code),