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path: root/drivers/ssb/host_soc.c
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Diffstat (limited to 'drivers/ssb/host_soc.c')
-rw-r--r--drivers/ssb/host_soc.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/ssb/host_soc.c b/drivers/ssb/host_soc.c
index c809f255af34..d62992dc08b2 100644
--- a/drivers/ssb/host_soc.c
+++ b/drivers/ssb/host_soc.c
@@ -8,6 +8,7 @@
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <linux/bcm47xx_nvram.h>
#include <linux/ssb/ssb.h>
#include "ssb_private.h"
@@ -171,3 +172,39 @@ const struct ssb_bus_ops ssb_host_soc_ops = {
.block_write = ssb_host_soc_block_write,
#endif
};
+
+int ssb_host_soc_get_invariants(struct ssb_bus *bus,
+ struct ssb_init_invariants *iv)
+{
+ char buf[20];
+ int len, err;
+
+ /* Fill boardinfo structure */
+ memset(&iv->boardinfo, 0, sizeof(struct ssb_boardinfo));
+
+ len = bcm47xx_nvram_getenv("boardvendor", buf, sizeof(buf));
+ if (len > 0) {
+ err = kstrtou16(strim(buf), 0, &iv->boardinfo.vendor);
+ if (err)
+ pr_warn("Couldn't parse nvram board vendor entry with value \"%s\"\n",
+ buf);
+ }
+ if (!iv->boardinfo.vendor)
+ iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
+
+ len = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf));
+ if (len > 0) {
+ err = kstrtou16(strim(buf), 0, &iv->boardinfo.type);
+ if (err)
+ pr_warn("Couldn't parse nvram board type entry with value \"%s\"\n",
+ buf);
+ }
+
+ memset(&iv->sprom, 0, sizeof(struct ssb_sprom));
+ ssb_fill_sprom_with_fallback(bus, &iv->sprom);
+
+ if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
+ iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
+
+ return 0;
+}