[flashrom] [PATCH] Blockwise erase for SST25*

[Carl-Daniel Hailfinger]

Add blockwise erase to all supported chips of the SST25 family:
SST25VF040.REMS, SST25VF040B, SST25VF040B.REMS, SST25VF080B,
SST25VF016B, SST25VF032B

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>

Index: flashrom-sst25_partial_erase/flashchips.c
===================================================================
--- flashrom-sst25_partial_erase/flashchips.c	(Revision 807)
+++ flashrom-sst25_partial_erase/flashchips.c	(Arbeitskopie)
@@ -1902,10 +1902,29 @@
 		.model_id	= SST_25VF016B,
 		.total_size	= 2048,
 		.page_size	= 256,
-		.tested		= TEST_OK_PREW,
+		.tested		= TEST_OK_PRW,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
-		.erase		= spi_chip_erase_c7,
+		.erase		= NULL,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 512} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 64} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 32} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {2 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {2 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			},
+		},
 		.write		= spi_chip_write_1,
 		.read		= spi_chip_read,
 	},
@@ -1918,42 +1937,93 @@
 		.model_id	= SST_25VF032B,
 		.total_size	= 4096,
 		.page_size	= 256,
-		.tested		= TEST_OK_PREW,
+		.tested		= TEST_OK_PRW,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
-		.erase		= spi_chip_erase_c7,
+		.erase		= NULL,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 1024} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 128} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 64} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {4 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {4 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			},
+		},
 		.write		= spi_chip_write_1,
 		.read		= spi_chip_read,
 	},
 
 	{
 		.vendor		= "SST",
-		.name		= "SST25VF040B",
+		.name		= "SST25VF040.REMS",
 		.bustype	= CHIP_BUSTYPE_SPI,
 		.manufacture_id	= SST_ID,
-		.model_id	= SST_25VF040B,
+		.model_id	= SST_25VF040_REMS,
 		.total_size	= 512,
 		.page_size	= 256,
-		.tested		= TEST_UNTESTED,
-		.probe		= probe_spi_rdid,
+		.tested		= TEST_OK_PR,
+		.probe		= probe_spi_rems,
 		.probe_timing	= TIMING_ZERO,
-		.erase		= spi_chip_erase_c7,
+		.erase		= NULL,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 128} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 16} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {512 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			},
+		},
 		.write		= spi_chip_write_1,
 		.read		= spi_chip_read,
 	},
 
 	{
 		.vendor		= "SST",
-		.name		= "SST25VF040.REMS",
+		.name		= "SST25VF040B",
 		.bustype	= CHIP_BUSTYPE_SPI,
 		.manufacture_id	= SST_ID,
-		.model_id	= SST_25VF040_REMS,
+		.model_id	= SST_25VF040B,
 		.total_size	= 512,
-		.page_size	= 64*1024,
-		.tested		= TEST_OK_PR,
-		.probe		= probe_spi_rems,
+		.page_size	= 256,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
-		.erase		= spi_chip_erase_60,
+		.erase		= NULL,
+		.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,
+			},
+		},
 		.write		= spi_chip_write_1,
 		.read		= spi_chip_read,
 	},
@@ -1965,11 +2035,30 @@
 		.manufacture_id	= SST_ID,
 		.model_id	= SST_25VF040B_REMS,
 		.total_size	= 512,
-		.page_size	= 64*1024,
+		.page_size	= 256,
 		.tested		= TEST_OK_PR,
 		.probe		= probe_spi_rems,
 		.probe_timing	= TIMING_ZERO,
-		.erase		= spi_chip_erase_c7,
+		.erase		= NULL,
+		.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,
+			},
+		},
 		.write		= spi_chip_write_1,
 		.read		= spi_chip_read,
 	},
@@ -1985,7 +2074,26 @@
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
-		.erase		= spi_chip_erase_60_c7,
+		.erase		= NULL,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 256} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 32} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 16} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			},
+		},
 		.write		= spi_chip_write_1,
 		.read		= spi_chip_read,
 	},


-- 
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"We are juggling too many chainsaws and flaming arrows and tigers."