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fespi: flag an error if offset can't be handled in 3B mode

This commit is contained in:
Megan Wachs 2018-04-24 09:49:06 -07:00
parent dc8c5eeac9
commit 3715f207c0
1 changed files with 12 additions and 0 deletions
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12
src/flash/nor/fespi.c
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@ -436,6 +436,12 @@ static int slow_fespi_write_buffer(struct flash_bank *bank,
uint32_t ctrl_base = fespi_info->ctrl_base;
uint32_t ii;
if (offset & 0xFF000000) {
LOG_ERROR("FESPI interface does not support greater than 3B addressing, can't write to offset 0x%x",
offset);
return ERROR_FAIL;
}
/* TODO!!! assert that len < page size */
fespi_tx(bank, SPIFLASH_WRITE_ENABLE);
@ -769,6 +775,12 @@ static void as_add_set_dir(struct algorithm_steps *as, bool dir)
static int steps_add_buffer_write(struct algorithm_steps *as,
const uint8_t *buffer, uint32_t chip_offset, uint32_t len)
{
if (chip_offset & 0xFF000000) {
LOG_ERROR("FESPI interface does not support greater than 3B addressing, can't write to offset 0x%x",
chip_offset);
return ERROR_FAIL;
}
as_add_tx1(as, SPIFLASH_WRITE_ENABLE);
as_add_txwm_wait(as);
as_add_write_reg(as, FESPI_REG_CSMODE, FESPI_CSMODE_HOLD);