wlcore/wl12xx: move MAC address reading operation to lower driver
Different chip families have the factory MAC address written in
different places. Add a new hardware operation to read the MAC
address, if available.
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index d235da2..cef2884 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -571,6 +571,51 @@
return ret;
}
+static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
+{
+ bool supported = false;
+ u8 major, minor;
+
+ if (wl->chip.id == CHIP_ID_1283_PG20) {
+ major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver);
+ minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver);
+
+ /* in wl128x we have the MAC address if the PG is >= (2, 1) */
+ if (major > 2 || (major == 2 && minor >= 1))
+ supported = true;
+ } else {
+ major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver);
+ minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver);
+
+ /* in wl127x we have the MAC address if the PG is >= (3, 1) */
+ if (major == 3 && minor >= 1)
+ supported = true;
+ }
+
+ wl1271_debug(DEBUG_PROBE,
+ "PG Ver major = %d minor = %d, MAC %s present",
+ major, minor, supported ? "is" : "is not");
+
+ return supported;
+}
+
+static void wl12xx_get_fuse_mac(struct wl1271 *wl)
+{
+ u32 mac1, mac2;
+
+ wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
+
+ mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1);
+ mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2);
+
+ /* these are the two parts of the BD_ADDR */
+ wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
+ ((mac1 & 0xff000000) >> 24);
+ wl->fuse_nic_addr = mac1 & 0xffffff;
+
+ wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
+}
+
static s8 wl12xx_get_pg_ver(struct wl1271 *wl)
{
u32 die_info;
@@ -583,10 +628,17 @@
return (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET;
}
+static void wl12xx_get_mac(struct wl1271 *wl)
+{
+ if (wl12xx_mac_in_fuse(wl))
+ wl12xx_get_fuse_mac(wl);
+}
+
static struct wlcore_ops wl12xx_ops = {
.identify_chip = wl12xx_identify_chip,
.boot = wl12xx_boot,
.get_pg_ver = wl12xx_get_pg_ver,
+ .get_mac = wl12xx_get_mac,
};
static int __devinit wl12xx_probe(struct platform_device *pdev)