Nico Huber merged this change.
Add support for Atmel / Adesto AT25SF041 SPI flash chip
probe/erase/read/write/verify hardware-tests were done.
Change-Id: I0be930ff2258300508398e12fbe5abe10400fea2
Signed-off-by: Julian von Mendel <git@jinvent.de>
Signed-off-by: jvm <git@jinvent.de>
Reviewed-on: https://review.coreboot.org/25047
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
---
M flashchips.c
M flashchips.h
2 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/flashchips.c b/flashchips.c
index 1ab4986..46e8807 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -2177,6 +2177,44 @@
{
.vendor = "Atmel",
+ .name = "AT25SF041",
+ .bustype = BUS_SPI,
+ .manufacture_id = ATMEL_ID,
+ .model_id = ATMEL_AT25SF041,
+ .total_size = 512,
+ .page_size = 256,
+ .feature_bits = FEATURE_WRSR_WREN,
+ .tested = TEST_OK_PREW,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = { {4 * 1024, 128} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 16} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 8} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ }
+ },
+ .printlock = spi_prettyprint_status_register_plain,
+ .unlock = spi_disable_blockprotect,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read,
+ .voltage = {2500, 3600},
+ },
+
+ {
+ .vendor = "Atmel",
.name = "AT26DF041",
.bustype = BUS_SPI,
.manufacture_id = ATMEL_ID,
diff --git a/flashchips.h b/flashchips.h
index 452f776..98d6e03 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -150,6 +150,7 @@
#define ATMEL_AT25F4096 0x64 /* Needs AT25F_RDID */
#define ATMEL_AT25FS010 0x6601
#define ATMEL_AT25FS040 0x6604
+#define ATMEL_AT25SF041 0x8401
#define ATMEL_AT26DF041 0x4400
#define ATMEL_AT26DF081 0x4500 /* guessed, no datasheet available */
#define ATMEL_AT26DF081A 0x4501
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