diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_boot.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_boot.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c index 1a3084cca9b8..b58657750716 100644 --- a/drivers/net/wireless/wl12xx/wl1271_boot.c +++ b/drivers/net/wireless/wl12xx/wl1271_boot.c @@ -435,13 +435,29 @@ int wl1271_boot(struct wl1271 *wl) int ret = 0; u32 tmp, clk, pause; - if (REF_CLOCK == 0 || REF_CLOCK == 2) - /* ref clk: 19.2/38.4 */ + 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) /* ref clk: 26/52 */ clk = 0x5; + if (REF_CLOCK != 0) { + u16 val; + /* Set clock type */ + val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE); + val &= FREF_CLK_TYPE_BITS; + val |= CLK_REQ_PRCM; + wl1271_top_reg_write(wl, OCP_REG_CLK_TYPE, val); + } else { + u16 val; + /* Set clock polarity */ + val = wl1271_top_reg_read(wl, OCP_REG_CLK_POLARITY); + val &= FREF_CLK_POLARITY_BITS; + val |= CLK_REQ_OUTN_SEL; + wl1271_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); + } + wl1271_reg_write32(wl, PLL_PARAMETERS, clk); pause = wl1271_reg_read32(wl, PLL_PARAMETERS); |