diff options
Diffstat (limited to 'src/soc/qualcomm/common')
| -rw-r--r-- | src/soc/qualcomm/common/clock.c | 11 | ||||
| -rw-r--r-- | src/soc/qualcomm/common/include/soc/clock_common.h | 11 |
2 files changed, 18 insertions, 4 deletions
diff --git a/src/soc/qualcomm/common/clock.c b/src/soc/qualcomm/common/clock.c index e06a954f3c..09484b76f4 100644 --- a/src/soc/qualcomm/common/clock.c +++ b/src/soc/qualcomm/common/clock.c @@ -90,15 +90,20 @@ static void clock_configure_mnd(struct clock_rcg *clk, uint32_t m, uint32_t n, /* Clock Root clock Generator Operations */ enum cb_err clock_configure(struct clock_rcg *clk, - struct clock_freq_config *clk_cfg, uint32_t hz, - uint32_t num_perfs) + struct clock_freq_config *clk_cfg, uint32_t hz, + uint32_t num_perfs) { uint32_t reg_val, idx; for (idx = 0; idx < num_perfs; idx++) - if (hz <= clk_cfg[idx].hz) + if (hz == clk_cfg[idx].hz) break; + /* Verify we matched an entry. If not, throw error. */ + if (idx >= num_perfs) + die("Failed to find a matching clock frequency (%d hz) for %p!\n", + hz, clk); + reg_val = (clk_cfg[idx].src << CLK_CTL_CFG_SRC_SEL_SHFT) | (clk_cfg[idx].div << CLK_CTL_CFG_SRC_DIV_SHFT); diff --git a/src/soc/qualcomm/common/include/soc/clock_common.h b/src/soc/qualcomm/common/include/soc/clock_common.h index 0911827149..b08d39bdd8 100644 --- a/src/soc/qualcomm/common/include/soc/clock_common.h +++ b/src/soc/qualcomm/common/include/soc/clock_common.h @@ -145,8 +145,17 @@ enum cb_err enable_and_poll_gdsc_status(void *gdscr_addr); void clock_reset_bcr(void *bcr_addr, bool assert); +/* + * clock_configure(): Configure the clock at the given clock speed (hz). If hz + * does not match any entries in the clk_cfg array, will throw and error and die(). + * + * @param clk struct clock_rcg pointer (root clock generator) + * @param clk_cfg Array with possible clock configurations + * @param hz frequency of clock to set + * @param num_perfs size of clock array + */ enum cb_err clock_configure(struct clock_rcg *clk, struct clock_freq_config *clk_cfg, - uint32_t hz, uint32_t num_perfs); + uint32_t hz, uint32_t num_perfs); void clock_configure_dfsr_table(int qup, struct clock_freq_config *clk_cfg, uint32_t num_perfs); |