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authorSean Anderson <seanga2@gmail.com>2021-04-09 05:13:04 +0300
committerLeo Yu-Chi Liang <ycliang@andestech.com>2021-05-14 11:20:47 +0300
commitd0686a02b98ee264532c25108edc3ba44acc1145 (patch)
treeadcffc10cdb141a5aabfc93836602df271c71f7c /drivers/clk
parent8c12cb3fd80304d4d542d35405aa54ae4a317e9b (diff)
downloadu-boot-d0686a02b98ee264532c25108edc3ba44acc1145.tar.xz
clk: k210: Fix PLLs not being enabled
After starting or setting the rate of a PLL, the enable bit must be set. This fixes a bug where the AI ram would not be accessible, because it requires PLL1 to be running. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/kendryte/pll.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/clk/kendryte/pll.c b/drivers/clk/kendryte/pll.c
index ab6d75d585..f198920113 100644
--- a/drivers/clk/kendryte/pll.c
+++ b/drivers/clk/kendryte/pll.c
@@ -531,6 +531,7 @@ static int k210_pll_enable(struct clk *clk)
k210_pll_waitfor_lock(pll);
reg &= ~K210_PLL_BYPASS;
+ reg |= K210_PLL_EN;
writel(reg, pll->reg);
return 0;
@@ -550,6 +551,7 @@ static int k210_pll_disable(struct clk *clk)
writel(reg, pll->reg);
reg &= ~K210_PLL_PWRD;
+ reg &= ~K210_PLL_EN;
writel(reg, pll->reg);
return 0;
}