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authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2010-05-07 11:38:58 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-05-07 14:57:18 -0400
commitd717fd6188b2ea63cf9dc0a870fd312c312841cd (patch)
tree428410070c7ce5aa36f699939344bb3267ad9eed /drivers/net/wireless/wl12xx/wl1271_boot.c
parent2ff6575b1e497f88acf2c7de7e1ba015267b689d (diff)
wl1271: Add sysfs file to retrieve HW PG-version and ROM-version
This patch reads the HW PG version (along with a ROM-version, embedded in the same value) from the wl1271 hardware and publishes the value in a sysfs -file. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_boot.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_boot.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 7e797157783..139a1e0fc7e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -440,11 +440,23 @@ static int wl1271_boot_write_irq_polarity(struct wl1271 *wl)
return 0;
}
+static void wl1271_boot_hw_version(struct wl1271 *wl)
+{
+ u32 fuse;
+
+ fuse = wl1271_top_reg_read(wl, REG_FUSE_DATA_2_1);
+ fuse = (fuse & PG_VER_MASK) >> PG_VER_OFFSET;
+
+ wl->hw_pg_ver = (s8)fuse;
+}
+
int wl1271_boot(struct wl1271 *wl)
{
int ret = 0;
u32 tmp, clk, pause;
+ wl1271_boot_hw_version(wl);
+
if (REF_CLOCK == 0 || REF_CLOCK == 2 || REF_CLOCK == 4)
/* ref clk: 19.2/38.4/38.4-XTAL */
clk = 0x3;