[U-Boot] arm, am335x: make mpu pll config configurable

[U-Boot] arm, am335x: make mpu pll config configurable

[Heiko Schocher]

upcoming support for siemens boards switches mpu pll clk in board
code. So make this configurable.

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Tom Rini <trini@ti.com>
---
 arch/arm/cpu/armv7/am33xx/clock_am33xx.c     | 9 +++++++--
 arch/arm/include/asm/arch-am33xx/sys_proto.h | 1 +
 2 Dateien ge?ndert, 8 Zeilen hinzugef?gt(+), 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

[U-Boot] arm, am335x: make mpu pll config configurable

[Tom Rini]

On Tue, Jun 04, 2013 at 11:01:06AM +0200, Heiko Schocher wrote:

> upcoming support for siemens boards switches mpu pll clk in board
> code. So make this configurable.
> 
> Signed-off-by: Heiko Schocher <hs@denx.de>
> Cc: Tom Rini <trini@ti.com>

Wait, didn't we already something like this posted?

-- 
Tom
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[U-Boot] arm, am335x: make mpu pll config configurable

[Heiko Schocher]

Hello Tom,

Am 04.06.2013 23:29, schrieb Tom Rini:
> On Tue, Jun 04, 2013 at 11:01:06AM +0200, Heiko Schocher wrote:
> 
>> upcoming support for siemens boards switches mpu pll clk in board
>> code. So make this configurable.
>>
>> Signed-off-by: Heiko Schocher <hs@denx.de>
>> Cc: Tom Rini <trini@ti.com>
> 
> Wait, didn't we already something like this posted?

Hmm.. did not found something like that, but maybe I missed it.

bye,
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

[U-Boot] arm, am335x: make mpu pll config configurable

[Tom Rini]

On Wed, Jun 05, 2013 at 07:26:45AM +0200, Heiko Schocher wrote:
> Hello Tom,
> 
> Am 04.06.2013 23:29, schrieb Tom Rini:
> > On Tue, Jun 04, 2013 at 11:01:06AM +0200, Heiko Schocher wrote:
> > 
> >> upcoming support for siemens boards switches mpu pll clk in board
> >> code. So make this configurable.
> >>
> >> Signed-off-by: Heiko Schocher <hs@denx.de>
> >> Cc: Tom Rini <trini@ti.com>
> > 
> > Wait, didn't we already something like this posted?
> 
> Hmm.. did not found something like that, but maybe I missed it.

I guess we'll chalk it up to never got posted.

-- 
Tom
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