[PATCH 2/3] sunxi: clock: H6/H616: Add resistor calibration

[Jernej Skrabec]

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

Signed-off-by: Jernej Skrabec <jernej.skrabec at gmail.com>
---
 arch/arm/mach-sunxi/clock_sun50i_h6.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-sunxi/clock_sun50i_h6.c b/arch/arm/mach-sunxi/clock_sun50i_h6.c
index e5846e6381ff..32119ad16555 100644
--- a/arch/arm/mach-sunxi/clock_sun50i_h6.c
+++ b/arch/arm/mach-sunxi/clock_sun50i_h6.c
@@ -12,9 +12,14 @@ void clock_init_safe(void)
 	struct sunxi_prcm_reg *const prcm =
 		(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->res_cal_ctrl, 2);
+	}
+
+	clrbits_le32(&prcm->res_cal_ctrl, 1);
+	setbits_le32(&prcm->res_cal_ctrl, 1);
 
 	clock_set_pll1(408000000);
 
-- 
2.35.1