Re: [U-Boot] [PATCH 2/3] ARM: AMx3xx: Centralize early clock initialization

[Tom Rini]

On Fri, Oct 14, 2016 at 10:35:24AM +0530, Lokesh Vutla wrote:

> This is similar to Commit 93e6253d11030 ("ARM: OMAP4/5: Centralize
> early clock initialization") that was done for OMAP4+, reflecting the same
> for AM33xx and AM43xx SoCs to centralize clock initialization.
> 
> Signed-off-by: Lokesh Vutla 

Reviewed-by: Tom Rini 

-- 
Tom


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[U-Boot] [PATCH 2/3] ARM: AMx3xx: Centralize early clock initialization

[Lokesh Vutla]

This is similar to Commit 93e6253d11030 ("ARM: OMAP4/5: Centralize
early clock initialization") that was done for OMAP4+, reflecting the same
for AM33xx and AM43xx SoCs to centralize clock initialization.

Signed-off-by: Lokesh Vutla 
---
 arch/arm/cpu/armv7/am33xx/board.c| 2 +-
 arch/arm/cpu/armv7/am33xx/clock.c| 9 +++--
 arch/arm/include/asm/arch-am33xx/sys_proto.h | 1 +
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/arm/cpu/armv7/am33xx/board.c 
b/arch/arm/cpu/armv7/am33xx/board.c
index 1ba4ec5..8340b54 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -286,7 +286,7 @@ void early_system_init(void)
 #endif
watchdog_disable();
set_uart_mux_conf();
-   setup_clocks_for_console();
+   setup_early_clocks();
uart_soft_reset();
 #if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC)
/* Enable RTC32K clock */
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c 
b/arch/arm/cpu/armv7/am33xx/clock.c
index 9b9b78e..3d17698 100644
--- a/arch/arm/cpu/armv7/am33xx/clock.c
+++ b/arch/arm/cpu/armv7/am33xx/clock.c
@@ -232,10 +232,15 @@ __weak void scale_vcores(void)
 {
 }
 
-void prcm_init()
+void setup_early_clocks(void)
 {
+   setup_clocks_for_console();
enable_basic_clocks();
+   timer_init();
+}
+
+void prcm_init(void)
+{
scale_vcores();
setup_dplls();
-   timer_init();
 }
diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h 
b/arch/arm/include/asm/arch-am33xx/sys_proto.h
index ed1a46c..4e942ba 100644
--- a/arch/arm/include/asm/arch-am33xx/sys_proto.h
+++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h
@@ -19,6 +19,7 @@ u32 get_sysboot_value(void);
 extern struct ctrl_stat *cstat;
 u32 get_device_type(void);
 void save_omap_boot_params(void);
+void setup_early_clocks(void);
 void setup_clocks_for_console(void);
 void mpu_pll_config_val(int mpull_m);
 void ddr_pll_config(unsigned int ddrpll_M);
-- 
2.9.3

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