summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/wl12xx/wl1271_boot.c
diff options
context:
space:
mode:
authorOhad Ben-Cohen <ohad@wizery.com>2010-09-16 01:31:51 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-09-21 11:05:00 -0400
commit15cea99306ae14ce5f7c3d3989bcc17202e2b0be (patch)
tree4755cdb83ca470dfa44b02f6f34aa8fa1c3454c6 /drivers/net/wireless/wl12xx/wl1271_boot.c
parent09cecc340b3b4d9960b039c0f576548bbf857f5a (diff)
wl1271: make ref_clock configurable by board
The wl1271 device is using a reference clock that may change between board to board. Make the ref_clock parameter configurable by board settings instead of having a hard coded value in the sources. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.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.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index f36430b0336d..fc21db810812 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -457,17 +457,20 @@ int wl1271_boot(struct wl1271 *wl)
{
int ret = 0;
u32 tmp, clk, pause;
+ int ref_clock = wl->ref_clock;
wl1271_boot_hw_version(wl);
- if (REF_CLOCK == 0 || REF_CLOCK == 2 || REF_CLOCK == 4)
+ if (ref_clock == 0 || ref_clock == 2 || ref_clock == 4)
/* ref clk: 19.2/38.4/38.4-XTAL */
clk = 0x3;
- else if (REF_CLOCK == 1 || REF_CLOCK == 3)
+ else if (ref_clock == 1 || ref_clock == 3)
/* ref clk: 26/52 */
clk = 0x5;
+ else
+ return -EINVAL;
- if (REF_CLOCK != 0) {
+ if (ref_clock != 0) {
u16 val;
/* Set clock type (open drain) */
val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE);
@@ -516,7 +519,7 @@ int wl1271_boot(struct wl1271 *wl)
wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
/* 2 */
- clk |= (REF_CLOCK << 1) << 4;
+ clk |= (ref_clock << 1) << 4;
wl1271_write32(wl, DRPW_SCRATCH_START, clk);
wl1271_set_partition(wl, &part_table[PART_WORK]);