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path: root/main/flashrom/sst26.patch
blob: 46a01529f79bbbf87ea3a3b5de98d71c3c19214f (plain) (tree)





































































































































































































                                                                                                             
--- flashrom-0.9.9.orig/chipdrivers.h
+++ flashrom-0.9.9/chipdrivers.h
@@ -103,6 +103,7 @@
 int spi_prettyprint_status_register_sst25(struct flashctx *flash);
 int spi_prettyprint_status_register_sst25vf016(struct flashctx *flash);
 int spi_prettyprint_status_register_sst25vf040b(struct flashctx *flash);
+int spi_disable_blockprotect_sst26_global_unprotect(struct flashctx *flash);
 
 /* sfdp.c */
 int probe_spi_sfdp(struct flashctx *flash);
--- flashrom-0.9.9.orig/flashchips.c
+++ flashrom-0.9.9/flashchips.c
@@ -12564,6 +12564,120 @@
 
 	{
 		.vendor		= "SST",
+		.name		= "SST26VF016B(A)",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= SST_ID,
+		.model_id	= SST_SST26VF016B,
+		.total_size	= 2048,
+		.page_size	= 256,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 512} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = {
+					{8 * 1024, 4},
+					{32 * 1024, 1},
+					{64 * 1024, 30},
+					{32 * 1024, 1},
+					{8 * 1024, 4},
+				},
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {2 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			},
+		},
+		.printlock	= spi_prettyprint_status_register_plain, /* TODO: improve */
+		.unlock		= spi_disable_blockprotect_sst26_global_unprotect,
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+	{
+		.vendor		= "SST",
+		.name		= "SST26VF032B(A)",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= SST_ID,
+		.model_id	= SST_SST26VF032B,
+		.total_size	= 4096,
+		.page_size	= 256,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 1024} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = {
+					{8 * 1024, 4},
+					{32 * 1024, 1},
+					{64 * 1024, 62},
+					{32 * 1024, 1},
+					{8 * 1024, 4},
+				},
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {4 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			},
+		},
+		.printlock	= spi_prettyprint_status_register_plain, /* TODO: improve */
+		.unlock		= spi_disable_blockprotect_sst26_global_unprotect,
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+
+
+	{
+		.vendor		= "SST",
+		.name		= "SST26VF064B(A)",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= SST_ID,
+		.model_id	= SST_SST26VF064B,
+		.total_size	= 8192,
+		.page_size	= 256,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 2048} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = {
+					{8 * 1024, 4},
+					{32 * 1024, 1},
+					{64 * 1024, 126},
+					{32 * 1024, 1},
+					{8 * 1024, 4},
+				},
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {8 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			},
+		},
+		.printlock	= spi_prettyprint_status_register_plain, /* TODO: improve */
+		.unlock		= spi_disable_blockprotect_sst26_global_unprotect,
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "SST",
 		.name		= "SST25WF512",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= SST_ID,
--- flashrom-0.9.9.orig/flashchips.h
+++ flashrom-0.9.9/flashchips.h
@@ -697,6 +697,8 @@
 #define SST_SST25VF064C		0x254B
 #define SST_SST26VF016		0x2601
 #define SST_SST26VF032		0x2602
+#define SST_SST26VF016B		0x2641
+#define SST_SST26VF032B		0x2642
 #define SST_SST26VF064B		0x2643
 #define SST_SST27SF512		0xA4
 #define SST_SST27SF010		0xA5
--- flashrom-0.9.9.orig/linux_spi.c
+++ flashrom-0.9.9/linux_spi.c
@@ -141,6 +141,16 @@
 	return 0;
 }
 
+static void print_hex(const char *msg, const void *buf, size_t len)
+{
+        size_t i;
+	msg_pspew("%s:\n", msg);
+        for (i = 0; i < len; i++) {
+                msg_pspew(" %02x", ((uint8_t *)buf)[i]);
+        }
+        msg_pspew("\n");
+}
+
 static int linux_spi_send_command(struct flashctx *flash, unsigned int writecnt,
 				  unsigned int readcnt,
 				  const unsigned char *txbuf,
@@ -172,10 +182,12 @@
 	else
 		iocontrol_code = SPI_IOC_MESSAGE(2);
 
+	print_hex("Write", txbuf, writecnt);
 	if (ioctl(fd, iocontrol_code, msg) == -1) {
 		msg_cerr("%s: ioctl: %s\n", __func__, strerror(errno));
 		return -1;
 	}
+	if (readcnt) print_hex("Got", rxbuf, readcnt);
 	return 0;
 }
 
--- flashrom-0.9.9.orig/spi25_statusreg.c
+++ flashrom-0.9.9/spi25_statusreg.c
@@ -196,6 +196,19 @@
 	return spi_disable_blockprotect_generic(flash, 0x3C, 0, 0, 0xFF);
 }
 
+int spi_disable_blockprotect_sst26_global_unprotect(struct flashctx *flash)
+{
+	int result = spi_write_enable(flash);
+	if (result)
+		return result;
+
+	static const unsigned char cmd[] = { 0x98 }; /* ULBPR */
+	result = spi_send_command(flash, sizeof(cmd), 0, cmd, NULL);
+	if (result)
+		msg_cerr("ULBPR failed\n");
+	return result;
+}
+
 /* A common block protection disable that tries to unset the status register bits masked by 0x0C (BP0-1) and
  * protected/locked by bit #7. Useful when bits 4-5 may be non-0). */
 int spi_disable_blockprotect_bp1_srwd(struct flashctx *flash)