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path: root/package/broadcom-wl/patches/910-fallback-sprom.patch
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--- a/driver/bcmsrom.c
+++ b/driver/bcmsrom.c
@@ -39,6 +39,10 @@
 #include <sbsdpcmdev.h>
 #endif 
 
+#ifdef CONFIG_SSB
+#include <linux/ssb/ssb.h>
+#endif
+
 #ifdef WLTEST
 #include <sbsprom.h>
 #endif /* WLTEST */
@@ -2058,6 +2062,11 @@ BCMATTACHFN(initvars_srom_pci)(si_t *sih
 	bool flash = FALSE;
 	int err = 0;
 
+#ifdef CONFIG_SSB
+	struct ssb_sprom *fbrom;
+	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 +2129,62 @@ BCMATTACHFN(initvars_srom_pci)(si_t *sih
 			goto varscont;
 		}
 
+#ifdef CONFIG_SSB
+		base = vp = MALLOC(osh, MAXSZ_NVRAM_VARS);
+
+		if( base != NULL )
+		{
+			varbuf_init(&b, base, MAXSZ_NVRAM_VARS);
+
+			/* Try to load ssb fallback sprom */
+			if ((fbrom = ssb_get_fallback_sprom()) != NULL)
+			{
+				printk("Got version %i SPROM from SSB\n", fbrom->revision);
+
+				varbuf_append(&b, vstr_sromrev, fbrom->revision);
+				varbuf_append(&b, vstr_boardrev, fbrom->board_rev);
+
+				/* ToDo: map fbrom->country_code */
+				varbuf_append(&b, vstr_noccode);
+
+				varbuf_append(&b, vstr_aa2g, fbrom->ant_available_bg);
+
+				varbuf_append(&b, vstr_pa0b[0], fbrom->pa0b0);
+				varbuf_append(&b, vstr_pa1b[0], fbrom->pa1b0);
+				varbuf_append(&b, vstr_pa0b[1], fbrom->pa0b1);
+				varbuf_append(&b, vstr_pa1b[1], fbrom->pa1b1);
+				varbuf_append(&b, vstr_pa0b[2], fbrom->pa0b2);
+				varbuf_append(&b, vstr_pa1b[2], fbrom->pa1b2);
+
+				varbuf_append(&b, vstr_pa0maxpwr, fbrom->maxpwr_bg);
+				varbuf_append(&b, vstr_pa0itssit, fbrom->itssi_bg);
+
+				varbuf_append(&b, vstr_boardflags, (fbrom->boardflags_hi << 16) | fbrom->boardflags_lo);
+				varbuf_append(&b, vstr_boardflags2, (fbrom->boardflags2_hi << 16) | fbrom->boardflags2_lo);
+
+				snprintf(eabuf, sizeof(eabuf), "%02x:%02x:%02x:%02x:%02x:%02x",
+					fbrom->il0mac[0], fbrom->il0mac[1], fbrom->il0mac[2],
+					fbrom->il0mac[3], fbrom->il0mac[4], fbrom->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)