diff options
Diffstat (limited to 'contrib/loaders/flash/lpcspifi_write.S')
| -rw-r--r-- | contrib/loaders/flash/lpcspifi_write.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/contrib/loaders/flash/lpcspifi_write.S b/contrib/loaders/flash/lpcspifi_write.S index d4712976..8435a204 100644 --- a/contrib/loaders/flash/lpcspifi_write.S +++ b/contrib/loaders/flash/lpcspifi_write.S @@ -39,6 +39,17 @@ * r11 - current page end address */ +/* + * This code is embedded within: src/flash/nor/lpcspifi.c as a "C" array. + * + * To rebuild: + * arm-none-eabi-gcc -c lpcspifi_write.S + * arm-none-eabi-objcopy -O binary lpcspifi_write.o lpcspifi_write.bin + * xxd -c 8 -i lpcspifi_write.bin > lpcspifi_write.txt + * + * Then read and edit this result into the "C" source. + */ + #define SSP_BASE_HIGH 0x4008 #define SSP_BASE_LOW 0x3000 #define SSP_CR0_OFFSET 0x00 @@ -204,6 +215,7 @@ error: movs r0, #0 str r0, [r2, #4] /* set rp = 0 on error */ exit: + bl cs_up /* end the command before returning */ mov r0, r6 bkpt #0x00 |