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lib: minerva: normalize output frequency

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Allow frequencies that are not exact to receive proper dividers from the supported ones from table.
This commit is contained in:
CTCaer 2023-06-08 04:56:14 +03:00
parent d8d15bde44
commit 066efda4cd
1 changed files with 4 additions and 5 deletions
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9
modules/hekate_libsys_minerva/sys_sdrammtc.c
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@ -1186,16 +1186,15 @@ static u32 _pllm_clk_base_cfg(u32 rate_KHz, u32 clk_src_emc, bool new_src_is_PLL
u32 i = 0;
u32 pll_ref = 38400; // Only 38.4MHz crystal is supported for T210.
pllm_clk_config_t *pllm_clk_config;
pllm_clk_config_t *pllm_clk_config = NULL;
for (i = 0; pllm_clk_config_table[i].pll_osc_in; i++)
{
if (pllm_clk_config_table[i].pll_osc_in == pll_ref && pllm_clk_config_table[i].pll_out == rate_KHz)
break;
if (pllm_clk_config_table[i].pll_osc_in == pll_ref && (pllm_clk_config_table[i].pll_out - 19200) <= rate_KHz)
pllm_clk_config = &pllm_clk_config_table[i];
}
pllm_clk_config = &pllm_clk_config_table[i];
if (pllm_clk_config->pll_osc_in)
if (pllm_clk_config && pllm_clk_config->pll_osc_in)
{
dividers = pllm_clk_config->pll_input_div | (pllm_clk_config->pll_feedback_div << 8) | ((pllm_clk_config->pll_post_div & 0x1F) << 20);
if (new_src_is_PLLMB)