[U-Boot] arm, am335x: make mpu pll config configurable
Heiko Schocher
hs at denx.de
Tue Jun 4 11:01:06 CEST 2013
upcoming support for siemens boards switches mpu pll clk in board
code. So make this configurable.
Signed-off-by: Heiko Schocher <hs at denx.de>
Cc: Tom Rini <trini at ti.com>
---
arch/arm/cpu/armv7/am33xx/clock_am33xx.c | 9 +++++++--
arch/arm/include/asm/arch-am33xx/sys_proto.h | 1 +
2 Dateien geändert, 8 Zeilen hinzugefügt(+), 2 Zeilen entfernt(-)
diff --git a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
index a1efc75..9c4d0b4 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
@@ -246,7 +246,7 @@ static void enable_per_clocks(void)
;
}
-static void mpu_pll_config(void)
+void mpu_pll_config_val(int mpull_m)
{
u32 clkmode, clksel, div_m2;
@@ -260,7 +260,7 @@ static void mpu_pll_config(void)
;
clksel = clksel & (~CLK_SEL_MASK);
- clksel = clksel | ((MPUPLL_M << CLK_SEL_SHIFT) | MPUPLL_N);
+ clksel = clksel | ((mpull_m << CLK_SEL_SHIFT) | MPUPLL_N);
writel(clksel, &cmwkup->clkseldpllmpu);
div_m2 = div_m2 & ~CLK_DIV_MASK;
@@ -274,6 +274,11 @@ static void mpu_pll_config(void)
;
}
+static void mpu_pll_config(void)
+{
+ mpu_pll_config_val(CONFIG_SYS_MPUCLK);
+}
+
static void core_pll_config(void)
{
u32 clkmode, clksel, div_m4, div_m5, div_m6;
diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h
index 2422924..fbeff1a 100644
--- a/arch/arm/include/asm/arch-am33xx/sys_proto.h
+++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h
@@ -31,6 +31,7 @@ int print_cpuinfo(void);
extern struct ctrl_stat *cstat;
u32 get_device_type(void);
void setup_clocks_for_console(void);
+void mpu_pll_config_val(int mpull_m);
void ddr_pll_config(unsigned int ddrpll_M);
void sdelay(unsigned long);
--
1.7.11.7
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