David Hendricks merged this change.

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Approvals:
  build bot (Jenkins): Verified
  David Hendricks: Looks good to me, approved

flashchips: Add Winbond W25P80/16/32 support

This adds support for W25P80/16/32 chips. Most notably these chips only
have two erase commands - one for 64KiB "sectors" and one for chip
erase.

Change-Id: Ie09ba8e28fee35c42e17ca05219dc673413de93b
Signed-off-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-on: https://review.coreboot.org/23700
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
M flashchips.c
M flashchips.h
2 files changed, 89 insertions(+), 0 deletions(-)

diff --git a/flashchips.c b/flashchips.c
index 54c4943..0d85142 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -15430,6 +15430,92 @@
 	},
 
 	{
+		.vendor         = "Winbond",
+		.name           = "W25P80",
+		.bustype        = BUS_SPI,
+		.manufacture_id = WINBOND_NEX_ID,
+		.model_id       = WINBOND_NEX_W25P80,
+		.total_size     = 1024,
+		.page_size      = 256,
+		.feature_bits   = FEATURE_WRSR_WREN,
+		.tested         = TEST_UNTESTED,
+		.probe          = probe_spi_rdid,
+		.probe_timing   = TIMING_ZERO,
+		.block_erasers  =
+		{
+			{
+				.eraseblocks = { {64 * 1024, 16} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {1024 * 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, /* Fast read (0x0B) supported */
+		.voltage        = {2700, 3600},
+	},
+
+	{
+		.vendor         = "Winbond",
+		.name           = "W25P16",
+		.bustype        = BUS_SPI,
+		.manufacture_id = WINBOND_NEX_ID,
+		.model_id       = WINBOND_NEX_W25P16,
+		.total_size     = 2048,
+		.page_size      = 256,
+		.feature_bits   = FEATURE_WRSR_WREN,
+		.tested         = TEST_UNTESTED,
+		.probe          = probe_spi_rdid,
+		.probe_timing   = TIMING_ZERO,
+		.block_erasers  =
+		{
+			{
+				.eraseblocks = { {64 * 1024, 32} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {2048 * 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, /* Fast read (0x0B) supported */
+		.voltage        = {2700, 3600},
+	},
+
+	{
+		.vendor         = "Winbond",
+		.name           = "W25P32",
+		.bustype        = BUS_SPI,
+		.manufacture_id = WINBOND_NEX_ID,
+		.model_id       = WINBOND_NEX_W25P32,
+		.total_size     = 4096,
+		.page_size      = 256,
+		.feature_bits   = FEATURE_WRSR_WREN,
+		.tested         = TEST_UNTESTED,
+		.probe          = probe_spi_rdid,
+		.probe_timing   = TIMING_ZERO,
+		.block_erasers  =
+		{
+			{
+				.eraseblocks = { {64 * 1024, 64} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {4096 * 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, /* Fast read (0x0B) supported */
+		.voltage        = {2700, 3600},
+	},
+	{
 		.vendor		= "Winbond",
 		.name		= "W29C512A/W29EE512",
 		.bustype	= BUS_PARALLEL,
diff --git a/flashchips.h b/flashchips.h
index 6a7b0ae..f487248 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -890,6 +890,9 @@
  * byte of device ID is related to log(bitsize).
  */
 #define WINBOND_NEX_ID		0xEF	/* Winbond (ex Nexcom) serial flashes */
+#define WINBOND_NEX_W25P80	0x2014
+#define WINBOND_NEX_W25P16	0x2015
+#define WINBOND_NEX_W25P32	0x2016
 #define WINBOND_NEX_W25X10	0x3011
 #define WINBOND_NEX_W25X20	0x3012
 #define WINBOND_NEX_W25X40	0x3013

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