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Diffstat (limited to 'w39v040c.c')
-rw-r--r--w39v040c.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/w39v040c.c b/w39v040c.c
index 7fccd538..bfa98538 100644
--- a/w39v040c.c
+++ b/w39v040c.c
@@ -23,7 +23,11 @@
int probe_w39v040c(struct flashchip *flash)
{
chipaddr bios = flash->virtual_memory;
- uint8_t id1, id2, lock;
+ int result = probe_jedec(flash);
+ uint8_t lock;
+
+ if (!result)
+ return result;
chip_writeb(0xAA, bios + 0x5555);
programmer_delay(10);
@@ -32,8 +36,6 @@ int probe_w39v040c(struct flashchip *flash)
chip_writeb(0x90, bios + 0x5555);
programmer_delay(10);
- id1 = chip_readb(bios);
- id2 = chip_readb(bios + 1);
lock = chip_readb(bios + 0xfff2);
chip_writeb(0xAA, bios + 0x5555);
@@ -43,17 +45,9 @@ int probe_w39v040c(struct flashchip *flash)
chip_writeb(0xF0, bios + 0x5555);
programmer_delay(40);
- printf_debug("%s: id1 0x%02x, id2 0x%02x", __func__, id1, id2);
- if (!oddparity(id1))
- printf_debug(", id1 parity violation");
- printf_debug("\n");
- if (flash->manufacture_id == id1 && flash->model_id == id2) {
- printf("%s: Boot block #TBL is %slocked, rest of chip #WP is %slocked.\n",
- __func__, lock & 0x4 ? "" : "un", lock & 0x8 ? "" : "un");
- return 1;
- }
-
- return 0;
+ printf("%s: Boot block #TBL is %slocked, rest of chip #WP is %slocked.\n",
+ __func__, lock & 0x4 ? "" : "un", lock & 0x8 ? "" : "un");
+ return 1;
}
int erase_w39v040c(struct flashchip *flash)