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fix(esp_clk_tree): REF_TICK divider set in dependency to REF_CLK_FREQ define

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Andste82 2024-08-30 14:41:46 +02:00
parent 42af06e3c0
commit b7f95afe77
1 changed files with 6 additions and 6 deletions
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12
components/hal/esp32/include/hal/clk_tree_ll.h
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@ -669,31 +669,31 @@ static inline __attribute__((always_inline)) uint32_t clk_ll_cpu_get_divider_fro
} }
/** /**
* @brief Set REF_TICK divider to make REF_TICK frequency at 1MHz * @brief Set REF_TICK divider to make REF_TICK frequency at REF_CLK_FREQ
* *
* @param cpu_clk_src Selected CPU clock source (one of soc_cpu_clk_src_t values) * @param cpu_clk_src Selected CPU clock source (one of soc_cpu_clk_src_t values)
* @param cpu_freq_mhz CPU frequency value, in MHz * @param cpu_freq_mhz CPU frequency value, in MHz
* *
* Divider = APB_CLK freq in Hz / 1MHz. Value in register = divider - 1. * Divider = APB_CLK freq in Hz / (REF_CLK_FREQ / MHZ). Value in register = divider - 1.
*/ */
static inline __attribute__((always_inline)) void clk_ll_ref_tick_set_divider(soc_cpu_clk_src_t cpu_clk_src, uint32_t cpu_freq_mhz) static inline __attribute__((always_inline)) void clk_ll_ref_tick_set_divider(soc_cpu_clk_src_t cpu_clk_src, uint32_t cpu_freq_mhz)
{ {
uint32_t apb_freq_mhz; uint32_t apb_freq_mhz;
switch (cpu_clk_src) { switch (cpu_clk_src) {
case SOC_CPU_CLK_SRC_XTAL: case SOC_CPU_CLK_SRC_XTAL:
apb_freq_mhz = cpu_freq_mhz; apb_freq_mhz = cpu_freq_mhz / (REF_CLK_FREQ / MHZ);
REG_WRITE(SYSCON_XTAL_TICK_CONF_REG, apb_freq_mhz - 1); REG_WRITE(SYSCON_XTAL_TICK_CONF_REG, apb_freq_mhz - 1);
break; break;
case SOC_CPU_CLK_SRC_PLL: case SOC_CPU_CLK_SRC_PLL:
apb_freq_mhz = 80; apb_freq_mhz = 80 / (REF_CLK_FREQ / MHZ);
REG_WRITE(SYSCON_PLL_TICK_CONF_REG, apb_freq_mhz - 1); REG_WRITE(SYSCON_PLL_TICK_CONF_REG, apb_freq_mhz - 1);
break; break;
case SOC_CPU_CLK_SRC_RC_FAST: case SOC_CPU_CLK_SRC_RC_FAST:
apb_freq_mhz = cpu_freq_mhz; apb_freq_mhz = cpu_freq_mhz / (REF_CLK_FREQ / MHZ);
REG_WRITE(SYSCON_CK8M_TICK_CONF_REG, apb_freq_mhz - 1); REG_WRITE(SYSCON_CK8M_TICK_CONF_REG, apb_freq_mhz - 1);
break; break;
case SOC_CPU_CLK_SRC_APLL: case SOC_CPU_CLK_SRC_APLL:
apb_freq_mhz = cpu_freq_mhz >> 1; apb_freq_mhz = (cpu_freq_mhz / (REF_CLK_FREQ / MHZ)) >> 1;
REG_WRITE(SYSCON_APLL_TICK_CONF_REG, apb_freq_mhz - 1); REG_WRITE(SYSCON_APLL_TICK_CONF_REG, apb_freq_mhz - 1);
break; break;
default: default: