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M2354: Remove flash_read override originally for test chip 

In test chip, byte-read (LDRB) last byte of flash in non-secure world always gets 0xFF.
This is got around by overriding flash_read(...). Now, the override can remove in MP chip.
pull/13770/head
Chun-Chieh Li 2020-09-24 16:50:45 +08:00
parent 3a86360cc5
commit 73614ea56e
1 changed files with 0 additions and 14 deletions
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14
targets/TARGET_NUVOTON/TARGET_M2354/flash_api.c
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@ -117,18 +117,4 @@ void flash_set_target_config(flash_t *obj)
#endif // #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
int32_t flash_read(flash_t *obj, uint32_t address, uint8_t *data, uint32_t size)
{
memcpy(data, (const void *)address, size);
/* In test chip, byte-read (LDRB) last byte of flash in non-secure world
* always gets 0xFF. Get around it.
*
* Remove the flash_read(...) override in MP chip. */
if (size && (address + size) == 0x10100000) {
volatile uint32_t *last_word = (volatile uint32_t *) 0x100FFFFC;
data[size - 1] = (uint8_t) ((*last_word & 0xFF000000) >> 24);
}
return 0;
}
#endif // #if DEVICE_FLASH