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path: root/target/linux/brcm47xx/patches-2.6.39/032-bcm47xx-extend-bcm47xx_fill_sprom-with-prefix.patch
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Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.39/032-bcm47xx-extend-bcm47xx_fill_sprom-with-prefix.patch')
-rw-r--r--target/linux/brcm47xx/patches-2.6.39/032-bcm47xx-extend-bcm47xx_fill_sprom-with-prefix.patch69
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.39/032-bcm47xx-extend-bcm47xx_fill_sprom-with-prefix.patch b/target/linux/brcm47xx/patches-2.6.39/032-bcm47xx-extend-bcm47xx_fill_sprom-with-prefix.patch
new file mode 100644
index 0000000..acf65bd
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.39/032-bcm47xx-extend-bcm47xx_fill_sprom-with-prefix.patch
@@ -0,0 +1,69 @@
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -59,10 +59,23 @@ static void bcm47xx_machine_halt(void)
+ }
+
+ #define READ_FROM_NVRAM(_outvar, name, buf) \
+- if (nvram_getenv(name, buf, sizeof(buf)) >= 0)\
++ if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\
+ sprom->_outvar = simple_strtoul(buf, NULL, 0);
+
+-static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
++static inline int nvram_getprefix(const char *prefix, char *name,
++ char *buf, int len)
++{
++ if (prefix) {
++ char key[100];
++
++ snprintf(key, sizeof(key), "%s%s", prefix, name);
++ return nvram_getenv(key, buf, len);
++ }
++
++ return nvram_getenv(name, buf, len);
++}
++
++static void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix)
+ {
+ char buf[100];
+ u32 boardflags;
+@@ -71,11 +84,11 @@ static void bcm47xx_fill_sprom(struct ss
+
+ sprom->revision = 1; /* Fallback: Old hardware does not define this. */
+ READ_FROM_NVRAM(revision, "sromrev", buf);
+- if (nvram_getenv("il0macaddr", buf, sizeof(buf)) >= 0)
++ if (nvram_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0)
+ nvram_parse_macaddr(buf, sprom->il0mac);
+- if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
++ if (nvram_getprefix(prefix, "et0macaddr", buf, sizeof(buf)) >= 0)
+ nvram_parse_macaddr(buf, sprom->et0mac);
+- if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
++ if (nvram_getprefix(prefix, "et1macaddr", buf, sizeof(buf)) >= 0)
+ nvram_parse_macaddr(buf, sprom->et1mac);
+ READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
+ READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
+@@ -127,14 +140,14 @@ static void bcm47xx_fill_sprom(struct ss
+ READ_FROM_NVRAM(ofdm5gpo, "ofdm5gpo", buf);
+ READ_FROM_NVRAM(ofdm5ghpo, "ofdm5ghpo", buf);
+
+- if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0) {
++ if (nvram_getprefix(prefix, "boardflags", buf, sizeof(buf)) >= 0) {
+ boardflags = simple_strtoul(buf, NULL, 0);
+ if (boardflags) {
+ sprom->boardflags_lo = (boardflags & 0x0000FFFFU);
+ sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16;
+ }
+ }
+- if (nvram_getenv("boardflags2", buf, sizeof(buf)) >= 0) {
++ if (nvram_getprefix(prefix, "boardflags2", buf, sizeof(buf)) >= 0) {
+ boardflags = simple_strtoul(buf, NULL, 0);
+ if (boardflags) {
+ sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
+@@ -160,7 +173,7 @@ static int bcm47xx_get_invariants(struct
+ if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
+ iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
+
+- bcm47xx_fill_sprom(&iv->sprom);
++ bcm47xx_fill_sprom(&iv->sprom, NULL);
+
+ if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
+ iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);