From: Maxime Ripard <maxime.rip...@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.rip...@free-electrons.com>
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
arch/arm/cpu/armv7/sunxi/clock.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/cpu/armv7/sunxi/clock.c b/arch/arm/cpu/armv7/sunxi/clock.c
index a344971..c4b19da 100644
--- a/arch/arm/cpu/armv7/sunxi/clock.c
+++ b/arch/arm/cpu/armv7/sunxi/clock.c
@@ -56,6 +56,15 @@ int clock_init(void)
clock_init_safe();
#endif
+#if defined(CONFIG_SUN6I)
+ /* uart clock source is apb2 */
+ sr32(&ccm->apb2_div, 24, 2, APB2_CLK_SRC_OSC24M);
+ sr32(&ccm->apb2_div, 16, 2, APB2_FACTOR_N);
+ sr32(&ccm->apb2_div, 0, 5, APB2_FACTOR_M);
+
+ /* open the clock for uart */
+ sr32(&ccm->apb2_gate, 16 + CONFIG_CONS_INDEX - 1, 1, CLK_GATE_OPEN);
+#else
/* uart clock source is apb1 */
sr32(&ccm->apb1_clk_div_cfg, 24, 2, APB1_CLK_SRC_OSC24M);
sr32(&ccm->apb1_clk_div_cfg, 16, 2, APB1_FACTOR_N);
@@ -63,6 +72,7 @@ int clock_init(void)
/* open the clock for uart */
sr32(&ccm->apb1_gate, 16 + CONFIG_CONS_INDEX - 1, 1, CLK_GATE_OPEN);
+#endif
#ifdef CONFIG_NAND_SUNXI
/* nand clock source is osc24m */
--
1.9.0
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