diff options
Diffstat (limited to 'arch/mips/bcm47xx')
-rw-r--r-- | arch/mips/bcm47xx/nvram.c | 3 | ||||
-rw-r--r-- | arch/mips/bcm47xx/setup.c | 130 |
2 files changed, 110 insertions, 23 deletions
diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c index e5b6615731e..54db815bc86 100644 --- a/arch/mips/bcm47xx/nvram.c +++ b/arch/mips/bcm47xx/nvram.c @@ -3,6 +3,7 @@ * * Copyright (C) 2005 Broadcom Corporation * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -23,7 +24,7 @@ static char nvram_buf[NVRAM_SPACE]; /* Probe for NVRAM header */ -static void __init early_nvram_init(void) +static void early_nvram_init(void) { struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore; struct nvram_header *header; diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index c95f90bf734..73b529b5743 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -3,6 +3,7 @@ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2006 Michael Buesch <mb@bu3sch.de> * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> + * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -57,10 +58,49 @@ 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) +#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) +{ + 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 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]; u32 boardflags; @@ -69,11 +109,12 @@ static void bcm47xx_fill_sprom(struct ssb_sprom *sprom) 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_getprefix(prefix, "macaddr", 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); @@ -95,20 +136,36 @@ static void bcm47xx_fill_sprom(struct ssb_sprom *sprom) 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); @@ -120,19 +177,27 @@ static void bcm47xx_fill_sprom(struct ssb_sprom *sprom) 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); - if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0) { + 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); 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); @@ -141,6 +206,22 @@ static void bcm47xx_fill_sprom(struct ssb_sprom *sprom) } } +int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out) +{ + char prefix[10]; + + if (bus->bustype == SSB_BUSTYPE_PCI) { + snprintf(prefix, sizeof(prefix), "pci/%u/%u/", + bus->host_pci->bus->number + 1, + PCI_SLOT(bus->host_pci->devfn)); + bcm47xx_fill_sprom(out, prefix); + return 0; + } else { + printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n"); + return -EINVAL; + } +} + static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv) { @@ -158,7 +239,7 @@ static int bcm47xx_get_invariants(struct ssb_bus *bus, 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); @@ -172,6 +253,11 @@ void __init plat_mem_setup(void) char buf[100]; struct ssb_mipscore *mcore; + err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom); + if (err) + printk(KERN_WARNING "bcm47xx: someone else already registered" + " a ssb SPROM callback handler (err %d)\n", err); + err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE, bcm47xx_get_invariants); if (err) |