flashchips: Add Zettadevice ZD25D40
This introduces the Zettadevice manufacturer ID and adds support for the
ZD25D40 chip.
Based on PR20 from Github.
Change-Id: I0400b059ddacdf166d1b77f619becec3a250cece
Signed-off-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-on: https://review.coreboot.org/23701
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/flashchips.c b/flashchips.c
index 0d85142..1d45810 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -16329,7 +16329,45 @@
.read = read_memmapped,
.voltage = {3000, 3600}, /* Also has 12V fast program */
},
-
+
+ {
+ .vendor = "Zetta Device",
+ .name = "ZD25D40",
+ .bustype = BUS_SPI,
+ .manufacture_id = ZETTADEVICE_ID,
+ .model_id = ZETTADEVICE_ZD25D40,
+ .total_size = 512,
+ .page_size = 256,
+ .feature_bits = FEATURE_WRSR_WREN,
+ .tested = TEST_UNTESTED,
+ .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, /* TODO: improve */
+ .unlock = spi_disable_blockprotect,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read,
+ .voltage = {2700, 3600},
+ },
+
{
.vendor = "Unknown",
.name = "SFDP-capable chip",
diff --git a/flashchips.h b/flashchips.h
index f487248..8c07628 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -957,4 +957,7 @@
#define WINBOND_W49V002A 0xB0
#define WINBOND_W49V002FA 0x32
+#define ZETTADEVICE_ID 0xBA /* Zetta Device */
+#define ZETTADEVICE_ZD25D40 0x2013
+
#endif /* !FLASHCHIPS_H */