openwrtv3/package/broadcom-wl/patches/910-fallback-sprom.patch
Hauke Mehrtens 3dbb8c5088 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
2011-05-01 20:28:35 +00:00

84 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)