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alif/ospi_flash: Don't invalidate cache after erasing/writing.

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It's not needed, the MPU configures the XIP as non-cacheable.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-03-31 12:35:26 +11:00
parent 737acef5cb
commit 3564ce5bd8
1 changed files with 3 additions and 7 deletions
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10
ports/alif/ospi_flash.c
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@@ -393,14 +393,11 @@ int ospi_flash_erase_sector(uint32_t addr) {
ospi_flash_write_cmd(self, self->set->write_en);
int ret = ospi_flash_wait_wel1(self);
if (ret < 0) {
return ret;
if (ret == 0) {
ospi_flash_write_cmd_addr(self, self->set->erase_command, OSPI_ADDR_L_32bit, addr);
ret = ospi_flash_wait_wip0(self);
}
ospi_flash_write_cmd_addr(self, self->set->erase_command, OSPI_ADDR_L_32bit, addr);
ret = ospi_flash_wait_wip0(self);
SCB_InvalidateDCache_by_Addr(global_flash.cfg.xip_base + addr, MICROPY_HW_FLASH_BLOCK_SIZE_BYTES);
return ret;
}
@@ -463,7 +460,6 @@ int ospi_flash_write(uint32_t addr, uint32_t len, const uint8_t *src) {
offset = 0;
}
SCB_InvalidateDCache_by_Addr(global_flash.cfg.xip_base + addr, len);
return ret;
}