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openwrt-xburst/package/broadcom-wl/patches/910-fallback-sprom.patch
hauke 374bb82f67 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)


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26801 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-05-01 20:28:35 +00:00

85 lines
2.5 KiB
Diff

--- a/driver/bcmsrom.c
+++ b/driver/bcmsrom.c
@@ -39,6 +39,11 @@
#include <sbsdpcmdev.h>
#endif
+#if defined(CONFIG_SSB_PCIHOST) && defined(CONFIG_BOARD_BCM963XX)
+#include <linux/ssb/ssb.h>
+extern struct ssb_sprom bcm63xx_sprom;
+#endif
+
#ifdef WLTEST
#include <sbsprom.h>
#endif /* WLTEST */
@@ -2058,6 +2063,10 @@ BCMATTACHFN(initvars_srom_pci)(si_t *sih
bool flash = FALSE;
int err = 0;
+#if defined(CONFIG_SSB_PCIHOST) && defined(CONFIG_BOARD_BCM963XX)
+ char eabuf[18];
+#endif
+
/*
* Apply CRC over SROM content regardless SROM is present or not,
* and use variable <devpath>sromrev's existance in flash to decide
@@ -2120,6 +2130,58 @@ BCMATTACHFN(initvars_srom_pci)(si_t *sih
goto varscont;
}
+#if defined(CONFIG_SSB_PCIHOST) && defined(CONFIG_BOARD_BCM963XX)
+ base = vp = MALLOC(osh, MAXSZ_NVRAM_VARS);
+
+ if( base != NULL )
+ {
+ varbuf_init(&b, base, MAXSZ_NVRAM_VARS);
+
+ printk("Got version %i SPROM from SSB\n", bcm63xx_sprom.revision);
+
+ varbuf_append(&b, vstr_sromrev, bcm63xx_sprom.revision);
+ varbuf_append(&b, vstr_boardrev, bcm63xx_sprom.board_rev);
+
+ /* ToDo: map bcm63xx_sprom.country_code */
+ varbuf_append(&b, vstr_noccode);
+
+ varbuf_append(&b, vstr_aa2g, bcm63xx_sprom.ant_available_bg);
+
+ varbuf_append(&b, vstr_pa0b[0], bcm63xx_sprom.pa0b0);
+ varbuf_append(&b, vstr_pa1b[0], bcm63xx_sprom.pa1b0);
+ varbuf_append(&b, vstr_pa0b[1], bcm63xx_sprom.pa0b1);
+ varbuf_append(&b, vstr_pa1b[1], bcm63xx_sprom.pa1b1);
+ varbuf_append(&b, vstr_pa0b[2], bcm63xx_sprom.pa0b2);
+ varbuf_append(&b, vstr_pa1b[2], bcm63xx_sprom.pa1b2);
+
+ varbuf_append(&b, vstr_pa0maxpwr, bcm63xx_sprom.maxpwr_bg);
+ varbuf_append(&b, vstr_pa0itssit, bcm63xx_sprom.itssi_bg);
+
+ varbuf_append(&b, vstr_boardflags, (bcm63xx_sprom.boardflags_hi << 16) | bcm63xx_sprom.boardflags_lo);
+ varbuf_append(&b, vstr_boardflags2, (bcm63xx_sprom.boardflags2_hi << 16) | bcm63xx_sprom.boardflags2_lo);
+
+ snprintf(eabuf, sizeof(eabuf), "%02x:%02x:%02x:%02x:%02x:%02x",
+ bcm63xx_sprom.il0mac[0], bcm63xx_sprom.il0mac[1], bcm63xx_sprom.il0mac[2],
+ bcm63xx_sprom.il0mac[3], bcm63xx_sprom.il0mac[4], bcm63xx_sprom.il0mac[5]
+ );
+
+ varbuf_append(&b, vstr_macaddr, eabuf);
+
+ /* final nullbyte terminator */
+ ASSERT(b.size >= 1);
+ vp = b.buf;
+ *vp++ = '\0';
+
+ ASSERT((vp - base) <= MAXSZ_NVRAM_VARS);
+ goto varsdone;
+ }
+ else
+ {
+ err = -2;
+ goto errout;
+ }
+#endif
+
BS_ERROR(("SROM CRC Error\n"));
#if defined(WLTEST)