MIPS: BCM47xx: Fill values for b43 into SSB sprom

Fill the sprom with all available values from the nvram. Most of these
new values are needed for the b43 or b43legacy driver.

Parts of this patch have been in OpenWRT for a long time and were written
by Michael Buesch.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
To: linux-mips@linux-mips.org
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: https://patchwork.linux-mips.org/patch/1846/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index 2c6bdade3f13f34b8ff4908ec686da8158c81272..1f61dfd71ac7edc04c5839c1676425d7393c7a2e 100644 (file)
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -73,42 +73,112 @@ static void str2eaddr(char *str, char *dest)
        }
 }
 
+#define READ_FROM_NVRAM(_outvar, name, buf) \
+       if (nvram_getenv(name, buf, sizeof(buf)) >= 0)\
+               sprom->_outvar = simple_strtoul(buf, NULL, 0);
+
+static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
+{
+       char buf[100];
+       u32 boardflags;
+
+       memset(sprom, 0, sizeof(struct ssb_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)
+               str2eaddr(buf, sprom->il0mac);
+       if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
+               str2eaddr(buf, sprom->et0mac);
+       if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
+               str2eaddr(buf, sprom->et1mac);
+       READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
+       READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
+       READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf);
+       READ_FROM_NVRAM(et1mdcport, "et1mdcport", buf);
+       READ_FROM_NVRAM(board_rev, "boardrev", buf);
+       READ_FROM_NVRAM(country_code, "ccode", buf);
+       READ_FROM_NVRAM(ant_available_a, "aa5g", buf);
+       READ_FROM_NVRAM(ant_available_bg, "aa2g", buf);
+       READ_FROM_NVRAM(pa0b0, "pa0b0", buf);
+       READ_FROM_NVRAM(pa0b1, "pa0b1", buf);
+       READ_FROM_NVRAM(pa0b2, "pa0b2", buf);
+       READ_FROM_NVRAM(pa1b0, "pa1b0", buf);
+       READ_FROM_NVRAM(pa1b1, "pa1b1", buf);
+       READ_FROM_NVRAM(pa1b2, "pa1b2", buf);
+       READ_FROM_NVRAM(pa1lob0, "pa1lob0", buf);
+       READ_FROM_NVRAM(pa1lob2, "pa1lob1", buf);
+       READ_FROM_NVRAM(pa1lob1, "pa1lob2", buf);
+       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_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(rxpo2g, "rxpo2g", buf);
+       READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf);
+       READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf);
+       READ_FROM_NVRAM(rssismc2g, "rssismc2g", buf);
+       READ_FROM_NVRAM(rssismf2g, "rssismf2g", buf);
+       READ_FROM_NVRAM(bxa2g, "bxa2g", buf);
+       READ_FROM_NVRAM(rssisav5g, "rssisav5g", buf);
+       READ_FROM_NVRAM(rssismc5g, "rssismc5g", buf);
+       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) {
+               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) {
+               boardflags = simple_strtoul(buf, NULL, 0);
+               if (boardflags) {
+                       sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
+                       sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16;
+               }
+       }
+}
+
 static int bcm47xx_get_invariants(struct ssb_bus *bus,
                                   struct ssb_init_invariants *iv)
 {
-       char buf[100];
+       char buf[20];
 
        /* Fill boardinfo structure */
        memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
 
        if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0)
-               iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
+               iv->boardinfo.vendor = (u16)simple_strtoul(buf, NULL, 0);
+       else
+               iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
        if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
                iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
        if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
                iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
 
-       /* Fill sprom structure */
-       memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
-       iv->sprom.revision = 3;
-
-       if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
-               str2eaddr(buf, iv->sprom.et0mac);
-
-       if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
-               str2eaddr(buf, iv->sprom.et1mac);
-
-       if (nvram_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
-               iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 0);
-
-       if (nvram_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
-               iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 0);
-
-       if (nvram_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
-               iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
+       bcm47xx_fill_sprom(&iv->sprom);
 
-       if (nvram_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
-               iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);
+       if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
+               iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
 
        return 0;
 }