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sunxi: clock: H6/H616: Add resistor calibration

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BSP boot0 executes resistor calibration before clocks are initialized.
Let's do that.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Jernej Skrabec 2022-01-30 15:27:14 +01:00 committed by Andre Przywara
parent 1772771ac0
commit 40a9c200af
1 changed files with 7 additions and 2 deletions
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9
arch/arm/mach-sunxi/clock_sun50i_h6.c
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@ -12,9 +12,14 @@ void clock_init_safe(void)
struct sunxi_prcm_reg *const prcm = struct sunxi_prcm_reg *const prcm =
(struct sunxi_prcm_reg *)SUNXI_PRCM_BASE; (struct sunxi_prcm_reg *)SUNXI_PRCM_BASE;
/* this seems to enable PLLs on H616 */ if (IS_ENABLED(CONFIG_MACH_SUN50I_H616)) {
if (IS_ENABLED(CONFIG_MACH_SUN50I_H616)) /* this seems to enable PLLs on H616 */
setbits_le32(&prcm->sys_pwroff_gating, 0x10); setbits_le32(&prcm->sys_pwroff_gating, 0x10);
setbits_le32(&prcm->res_cal_ctrl, 2);
}
clrbits_le32(&prcm->res_cal_ctrl, 1);
setbits_le32(&prcm->res_cal_ctrl, 1);
clock_set_pll1(408000000); clock_set_pll1(408000000);