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-rw-r--r--meta-oe/recipes-bsp/flashrom/flashrom/sst26.patch198
1 files changed, 198 insertions, 0 deletions
diff --git a/meta-oe/recipes-bsp/flashrom/flashrom/sst26.patch b/meta-oe/recipes-bsp/flashrom/flashrom/sst26.patch
new file mode 100644
index 000000000..46a01529f
--- /dev/null
+++ b/meta-oe/recipes-bsp/flashrom/flashrom/sst26.patch
@@ -0,0 +1,198 @@
+--- 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)