diff options
Diffstat (limited to 'src/soc/intel/braswell/lpe.c')
| -rw-r--r-- | src/soc/intel/braswell/lpe.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/src/soc/intel/braswell/lpe.c b/src/soc/intel/braswell/lpe.c index a1a7c64266..4662b4324e 100644 --- a/src/soc/intel/braswell/lpe.c +++ b/src/soc/intel/braswell/lpe.c @@ -96,32 +96,30 @@ static void setup_codec_clock(device_t dev) const char *freq_str; config = dev->chip_info; - switch (config->lpe_codec_clk_freq) { - case 19: - freq_str = "19.2"; - reg = CLK_FREQ_19P2MHZ; + switch (config->lpe_codec_clk_src) { + case LPE_CLK_SRC_XTAL: + /* XTAL driven bit2=0 */ + freq_str = "19.2MHz External Crystal"; + reg = CLK_SRC_XTAL; break; - case 25: - freq_str = "25"; - reg = CLK_FREQ_25MHZ; + case LPE_CLK_SRC_PLL: + /* PLL driven bit2=1 */ + freq_str = "19.2MHz PLL"; + reg = CLK_SRC_PLL; break; default: - printk(BIOS_DEBUG, "LPE codec clock not required.\n"); + reg = CLK_SRC_XTAL; + printk(BIOS_DEBUG, "LPE codec clock default to using Crystal\n"); return; } /* Default to always running. */ reg |= CLK_CTL_ON; - if (config->lpe_codec_clk_num < 0 || config->lpe_codec_clk_num > 5) { - printk(BIOS_DEBUG, "Invalid LPE codec clock number.\n"); - return; - } printk(BIOS_DEBUG, "LPE Audio codec clock set to %sMHz.\n", freq_str); clk_reg = (u32 *) (PMC_BASE_ADDRESS + PLT_CLK_CTL_0); - clk_reg += config->lpe_codec_clk_num; write32(clk_reg, (read32(clk_reg) & ~0x7) | reg); } |