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iot_dk: Add support of 136 MHz clock

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Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin 2018-10-10 15:53:45 +03:00
parent 7d388add55
commit 031154fe8f
1 changed files with 8 additions and 0 deletions
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8
board/synopsys/iot_devkit/iot_devkit.c
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@ -68,6 +68,14 @@ static int set_cpu_freq(unsigned int clk)
writel((readl(PLLCON) & PLL_MASK_2) | 0x200191, PLLCON);
break;
case 136:
writel(readl(PLLCON) & PLL_MASK_0, PLLCON);
/* pll_off=1, M=17, N=1, OD=1, PLL_OUT_CLK=136M */
writel((readl(PLLCON) & PLL_MASK_1) | 0x100111, PLLCON);
/* pll_off=0, M=17, N=1, OD=1, PLL_OUT_CLK=136M */
writel((readl(PLLCON) & PLL_MASK_2) | 0x100111, PLLCON);
break;
case 144:
writel(readl(PLLCON) & PLL_MASK_0, PLLCON);
/* pll_off=1, M=18, N=1, OD=1, PLL_OUT_CLK=144M */