mirror of
https://github.com/linuxboot/heads.git
synced 2024-12-20 05:28:08 +00:00
f7de7d7388
This allows flashrom to work on the r630 NERF server, but also increases the size of the flashrom executable significantly since it brings in all chipset and flash types.
34 lines
971 B
Diff
34 lines
971 B
Diff
diff -u -x '*.d' -x '*.o' ../clean/flashrom-0.9.9/spi.c flashrom-0.9.9/spi.c
|
|
--- ../clean/flashrom-0.9.9/spi.c 2014-07-20 00:03:29.000000000 +0200
|
|
+++ flashrom-0.9.9/spi.c 2017-04-19 00:04:25.138374544 +0200
|
|
@@ -100,6 +100,20 @@
|
|
return spi_write_chunked(flash, buf, start, len, max_data);
|
|
}
|
|
|
|
+static int my_ffs(int x)
|
|
+{
|
|
+ int rc = 0;
|
|
+ while(x)
|
|
+ {
|
|
+ if (x & 1)
|
|
+ return rc;
|
|
+ rc++;
|
|
+ x >>= 1;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
int spi_chip_read(struct flashctx *flash, uint8_t *buf, unsigned int start,
|
|
unsigned int len)
|
|
{
|
|
@@ -119,7 +133,7 @@
|
|
/* Check if alignment is native (at least the largest power of two which
|
|
* is a factor of the mapped size of the chip).
|
|
*/
|
|
- if (ffs(flash->chip->total_size * 1024) > (ffs(addrbase) ? : 33)) {
|
|
+ if (my_ffs(flash->chip->total_size * 1024) > (my_ffs(addrbase) ? : 33)) {
|
|
msg_perr("Flash chip is not aligned natively in the allowed "
|
|
"access window.\n");
|
|
msg_perr("Read will probably return garbage.\n");
|