From 3dbb8c508869d29076284ae01dbbaa9450dcf6d6 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 1 May 2011 20:28:35 +0000 Subject: brcm47xx: add fallback sprom for pci devices without an own sprom. If there is no sprom on an ssb based pci device on the brcm47xx architecture ssb now asks the architecture code to look into the nvram to get some sprom data for this device. Now we are able to read out pci/1/1/ foo or pci/1/3/ foo config options. This will fix some problems where the wireless devices does not got an mac address and the following message was show: ssb: WARNING: Invalid SPROM CRC (corrupt SPROM) SVN-Revision: 26801 --- .../034-bcm47xx-extend-and-fix-fill-sprom.patch | 122 +++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 target/linux/brcm47xx/patches-2.6.37/034-bcm47xx-extend-and-fix-fill-sprom.patch (limited to 'target/linux/brcm47xx/patches-2.6.37/034-bcm47xx-extend-and-fix-fill-sprom.patch') diff --git a/target/linux/brcm47xx/patches-2.6.37/034-bcm47xx-extend-and-fix-fill-sprom.patch b/target/linux/brcm47xx/patches-2.6.37/034-bcm47xx-extend-and-fix-fill-sprom.patch new file mode 100644 index 0000000000..490ca67bdb --- /dev/null +++ b/target/linux/brcm47xx/patches-2.6.37/034-bcm47xx-extend-and-fix-fill-sprom.patch @@ -0,0 +1,122 @@ +--- a/arch/mips/bcm47xx/setup.c ++++ b/arch/mips/bcm47xx/setup.c +@@ -62,6 +62,11 @@ static void bcm47xx_machine_halt(void) + if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\ + sprom->_outvar = simple_strtoul(buf, NULL, 0); + ++#define READ_FROM_NVRAM2(_outvar, name1, name2, buf) \ ++ if (nvram_getprefix(prefix, name1, buf, sizeof(buf)) >= 0 || \ ++ nvram_getprefix(prefix, name2, buf, sizeof(buf)) >= 0)\ ++ sprom->_outvar = simple_strtoul(buf, NULL, 0); ++ + static inline int nvram_getprefix(const char *prefix, char *name, + char *buf, int len) + { +@@ -75,6 +80,27 @@ static inline int nvram_getprefix(const + return nvram_getenv(name, buf, len); + } + ++static u32 nvram_getu32(const char *name, char *buf, int len) ++{ ++ int rv; ++ char key[100]; ++ u16 var0, var1; ++ ++ snprintf(key, sizeof(key), "%s0", name); ++ rv = nvram_getenv(key, buf, len); ++ /* return 0 here so this looks like unset */ ++ if (rv < 0) ++ return 0; ++ var0 = simple_strtoul(buf, NULL, 0); ++ ++ snprintf(key, sizeof(key), "%s1", name); ++ rv = nvram_getenv(key, buf, len); ++ if (rv < 0) ++ return 0; ++ var1 = simple_strtoul(buf, NULL, 0); ++ return var1 << 16 | var0; ++} ++ + static void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix) + { + char buf[100]; +@@ -84,7 +110,8 @@ 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_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0) ++ if (nvram_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0 || +++ nvram_getprefix(prefix, "macaddr", buf, sizeof(buf)) >= 0) + nvram_parse_macaddr(buf, sprom->il0mac); + if (nvram_getprefix(prefix, "et0macaddr", buf, sizeof(buf)) >= 0) + nvram_parse_macaddr(buf, sprom->et0mac); +@@ -110,20 +137,36 @@ static void bcm47xx_fill_sprom(struct ss + READ_FROM_NVRAM(pa1hib0, "pa1hib0", buf); + READ_FROM_NVRAM(pa1hib2, "pa1hib1", buf); + READ_FROM_NVRAM(pa1hib1, "pa1hib2", buf); +- READ_FROM_NVRAM(gpio0, "wl0gpio0", buf); +- READ_FROM_NVRAM(gpio1, "wl0gpio1", buf); +- READ_FROM_NVRAM(gpio2, "wl0gpio2", buf); +- READ_FROM_NVRAM(gpio3, "wl0gpio3", buf); +- READ_FROM_NVRAM(maxpwr_bg, "pa0maxpwr", buf); +- READ_FROM_NVRAM(maxpwr_al, "pa1lomaxpwr", buf); +- READ_FROM_NVRAM(maxpwr_a, "pa1maxpwr", buf); +- READ_FROM_NVRAM(maxpwr_ah, "pa1himaxpwr", buf); +- READ_FROM_NVRAM(itssi_a, "pa1itssit", buf); +- READ_FROM_NVRAM(itssi_bg, "pa0itssit", buf); ++ READ_FROM_NVRAM2(gpio0, "ledbh0", "wl0gpio0", buf); ++ READ_FROM_NVRAM2(gpio1, "ledbh1", "wl0gpio1", buf); ++ READ_FROM_NVRAM2(gpio2, "ledbh2", "wl0gpio2", buf); ++ READ_FROM_NVRAM2(gpio3, "ledbh3", "wl0gpio3", buf); ++ READ_FROM_NVRAM2(maxpwr_bg, "maxp2ga0", "pa0maxpwr", buf); ++ READ_FROM_NVRAM2(maxpwr_al, "maxp5gla0", "pa1lomaxpwr", buf); ++ READ_FROM_NVRAM2(maxpwr_a, "maxp5ga0", "pa1maxpwr", buf); ++ READ_FROM_NVRAM2(maxpwr_ah, "maxp5gha0", "pa1himaxpwr", buf); ++ READ_FROM_NVRAM2(itssi_bg, "itt5ga0", "pa0itssit", buf); ++ READ_FROM_NVRAM2(itssi_a, "itt2ga0", "pa1itssit", buf); + READ_FROM_NVRAM(tri2g, "tri2g", buf); + READ_FROM_NVRAM(tri5gl, "tri5gl", buf); + READ_FROM_NVRAM(tri5g, "tri5g", buf); + READ_FROM_NVRAM(tri5gh, "tri5gh", buf); ++ READ_FROM_NVRAM(txpid2g[0], "txpid2ga0", buf); ++ READ_FROM_NVRAM(txpid2g[1], "txpid2ga1", buf); ++ READ_FROM_NVRAM(txpid2g[2], "txpid2ga2", buf); ++ READ_FROM_NVRAM(txpid2g[3], "txpid2ga3", buf); ++ READ_FROM_NVRAM(txpid5g[0], "txpid5ga0", buf); ++ READ_FROM_NVRAM(txpid5g[1], "txpid5ga1", buf); ++ READ_FROM_NVRAM(txpid5g[2], "txpid5ga2", buf); ++ READ_FROM_NVRAM(txpid5g[3], "txpid5ga3", buf); ++ READ_FROM_NVRAM(txpid5gl[0], "txpid5gla0", buf); ++ READ_FROM_NVRAM(txpid5gl[1], "txpid5gla1", buf); ++ READ_FROM_NVRAM(txpid5gl[2], "txpid5gla2", buf); ++ READ_FROM_NVRAM(txpid5gl[3], "txpid5gla3", buf); ++ READ_FROM_NVRAM(txpid5gh[0], "txpid5gha0", buf); ++ READ_FROM_NVRAM(txpid5gh[1], "txpid5gha1", buf); ++ READ_FROM_NVRAM(txpid5gh[2], "txpid5gha2", buf); ++ READ_FROM_NVRAM(txpid5gh[3], "txpid5gha3", buf); + READ_FROM_NVRAM(rxpo2g, "rxpo2g", buf); + READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf); + READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf); +@@ -135,10 +178,18 @@ static void bcm47xx_fill_sprom(struct ss + READ_FROM_NVRAM(rssismf5g, "rssismf5g", buf); + READ_FROM_NVRAM(bxa5g, "bxa5g", buf); + READ_FROM_NVRAM(cck2gpo, "cck2gpo", buf); +- READ_FROM_NVRAM(ofdm2gpo, "ofdm2gpo", buf); +- READ_FROM_NVRAM(ofdm5glpo, "ofdm5glpo", buf); +- READ_FROM_NVRAM(ofdm5gpo, "ofdm5gpo", buf); +- READ_FROM_NVRAM(ofdm5ghpo, "ofdm5ghpo", buf); ++ ++ sprom->ofdm2gpo = nvram_getu32("ofdm2gpo", buf, sizeof(buf)); ++ sprom->ofdm5glpo = nvram_getu32("ofdm5glpo", buf, sizeof(buf)); ++ sprom->ofdm5gpo = nvram_getu32("ofdm5gpo", buf, sizeof(buf)); ++ sprom->ofdm5ghpo = nvram_getu32("ofdm5ghpo", buf, sizeof(buf)); ++ ++ READ_FROM_NVRAM(antenna_gain.ghz24.a0, "ag0", buf); ++ READ_FROM_NVRAM(antenna_gain.ghz24.a1, "ag1", buf); ++ READ_FROM_NVRAM(antenna_gain.ghz24.a2, "ag2", buf); ++ READ_FROM_NVRAM(antenna_gain.ghz24.a3, "ag3", buf); ++ memcpy(&sprom->antenna_gain.ghz5, &sprom->antenna_gain.ghz24, ++ sizeof(sprom->antenna_gain.ghz5)); + + if (nvram_getprefix(prefix, "boardflags", buf, sizeof(buf)) >= 0) { + boardflags = simple_strtoul(buf, NULL, 0); -- cgit v1.2.3