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soc: adsp: clk: update clock switch flow

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This patch corrects clock selection flow for ACE platforms.

Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>
This commit is contained in:
Tomasz Leman 2023-09-07 15:14:04 +02:00 • committed by Fabio Baltieri
commit a5d1fd9857
1 changed files with 10 additions and 0 deletions
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10
soc/xtensa/intel_adsp/common/clk.c
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@ -25,6 +25,15 @@ int adsp_clock_freq_mask[] = ADSP_CPU_CLOCK_FREQ_MASK;
static void select_cpu_clock_hw(uint32_t freq_idx) static void select_cpu_clock_hw(uint32_t freq_idx)
{ {
uint32_t enc = adsp_clock_freq_enc[freq_idx]; uint32_t enc = adsp_clock_freq_enc[freq_idx];
#ifdef CONFIG_SOC_SERIES_INTEL_ACE
uint32_t clk_ctl = ADSP_CLKCTL;
clk_ctl &= ~ADSP_CLKCTL_OSC_SOURCE_MASK;
clk_ctl |= (enc & ADSP_CLKCTL_OSC_SOURCE_MASK);
ADSP_CLKCTL = clk_ctl;
#else
uint32_t status_mask = adsp_clock_freq_mask[freq_idx]; uint32_t status_mask = adsp_clock_freq_mask[freq_idx];
/* Request clock */ /* Request clock */
@ -42,6 +51,7 @@ static void select_cpu_clock_hw(uint32_t freq_idx)
/* Release other clocks */ /* Release other clocks */
ADSP_CLKCTL &= ~ADSP_CLKCTL_OSC_REQUEST_MASK | enc; ADSP_CLKCTL &= ~ADSP_CLKCTL_OSC_REQUEST_MASK | enc;
#endif
} }
int adsp_clock_set_cpu_freq(uint32_t freq_idx) int adsp_clock_set_cpu_freq(uint32_t freq_idx)