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Diffstat (limited to 'spi.c')
-rw-r--r--spi.c44
1 files changed, 21 insertions, 23 deletions
diff --git a/spi.c b/spi.c
index fa29fb6..dcd9f19 100644
--- a/spi.c
+++ b/spi.c
@@ -150,8 +150,8 @@ int spi_write_disable(void)
static int probe_spi_rdid_generic(struct flashchip *flash, int bytes)
{
unsigned char readarr[4];
- uint32_t manuf_id;
- uint32_t model_id;
+ uint32_t id1;
+ uint32_t id2;
if (spi_rdid(readarr, bytes))
return 0;
@@ -163,21 +163,20 @@ static int probe_spi_rdid_generic(struct flashchip *flash, int bytes)
if (readarr[0] == 0x7f) {
if (!oddparity(readarr[1]))
printf_debug("RDID byte 1 parity violation.\n");
- manuf_id = (readarr[0] << 8) | readarr[1];
- model_id = readarr[2];
+ id1 = (readarr[0] << 8) | readarr[1];
+ id2 = readarr[2];
if (bytes > 3) {
- model_id <<= 8;
- model_id |= readarr[3];
+ id2 <<= 8;
+ id2 |= readarr[3];
}
} else {
- manuf_id = readarr[0];
- model_id = (readarr[1] << 8) | readarr[2];
+ id1 = readarr[0];
+ id2 = (readarr[1] << 8) | readarr[2];
}
- printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, manuf_id,
- model_id);
+ printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
- if (manuf_id == flash->manufacture_id && model_id == flash->model_id) {
+ if (id1 == flash->manufacture_id && id2 == flash->model_id) {
/* Print the status register to tell the
* user about possible write protection.
*/
@@ -187,7 +186,7 @@ static int probe_spi_rdid_generic(struct flashchip *flash, int bytes)
}
/* Test if this is a pure vendor match. */
- if (manuf_id == flash->manufacture_id &&
+ if (id1 == flash->manufacture_id &&
GENERIC_DEVICE_ID == flash->model_id)
return 1;
@@ -221,18 +220,17 @@ int probe_spi_rdid4(struct flashchip *flash)
int probe_spi_rems(struct flashchip *flash)
{
unsigned char readarr[JEDEC_REMS_INSIZE];
- uint32_t manuf_id, model_id;
+ uint32_t id1, id2;
if (spi_rems(readarr))
return 0;
- manuf_id = readarr[0];
- model_id = readarr[1];
+ id1 = readarr[0];
+ id2 = readarr[1];
- printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, manuf_id,
- model_id);
+ printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
- if (manuf_id == flash->manufacture_id && model_id == flash->model_id) {
+ if (id1 == flash->manufacture_id && id2 == flash->model_id) {
/* Print the status register to tell the
* user about possible write protection.
*/
@@ -242,7 +240,7 @@ int probe_spi_rems(struct flashchip *flash)
}
/* Test if this is a pure vendor match. */
- if (manuf_id == flash->manufacture_id &&
+ if (id1 == flash->manufacture_id &&
GENERIC_DEVICE_ID == flash->model_id)
return 1;
@@ -252,7 +250,7 @@ int probe_spi_rems(struct flashchip *flash)
int probe_spi_res(struct flashchip *flash)
{
unsigned char readarr[3];
- uint32_t model_id;
+ uint32_t id2;
/* Check if RDID was successful and did not return 0xff 0xff 0xff.
* In that case, RES is pointless.
@@ -264,9 +262,9 @@ int probe_spi_res(struct flashchip *flash)
if (spi_res(readarr))
return 0;
- model_id = readarr[0];
- printf_debug("%s: id 0x%x\n", __FUNCTION__, model_id);
- if (model_id != flash->model_id)
+ id2 = readarr[0];
+ printf_debug("%s: id 0x%x\n", __FUNCTION__, id2);
+ if (id2 != flash->model_id)
return 0;
/* Print the status register to tell the
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