diff options
| author | Daniel Schultz <d.schultz@phytec.de> | 2016-01-25 08:44:14 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-01-26 08:01:06 +0100 |
| commit | 64a8df2f6dc6721902166fb46af6be51595d421f (patch) | |
| tree | 528a687a23f9818c063619bf77de243d199cfd0c /arch/arm/mach-omap | |
| parent | a4a28df47dcd88571cb46af314c03684220bb6dd (diff) | |
| download | barebox-64a8df2f6dc6721902166fb46af6be51595d421f.tar.gz barebox-64a8df2f6dc6721902166fb46af6be51595d421f.tar.xz | |
arm: am33xx: Master Osc clock speed handling
Setup the plls with Master Osc. clock speed from the SYSBOOT
Configuration Pin.
Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-omap')
| -rw-r--r-- | arch/arm/mach-omap/am33xx_clock.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap/include/mach/am33xx-clock.h | 2 |
2 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-omap/am33xx_clock.c b/arch/arm/mach-omap/am33xx_clock.c index 3ed1d52e09..ad735cb216 100644 --- a/arch/arm/mach-omap/am33xx_clock.c +++ b/arch/arm/mach-omap/am33xx_clock.c @@ -15,6 +15,7 @@ #include <common.h> #include <asm/io.h> #include <mach/am33xx-clock.h> +#include <asm-generic/div64.h> #define PRCM_MOD_EN 0x2 #define PRCM_FORCE_WAKEUP 0x2 @@ -304,8 +305,13 @@ void am33xx_enable_ddr_clocks(void) /* * Configure the PLL/PRCM for necessary peripherals */ -void am33xx_pll_init(int mpupll_M, int osc, int ddrpll_M) +void am33xx_pll_init(int mpupll_M, int ddrpll_M) { + int osc; + + osc = am33xx_get_osc_clock(); + osc /= 1000; + mpu_pll_config(mpupll_M, osc); core_pll_config(osc); per_pll_config(osc); diff --git a/arch/arm/mach-omap/include/mach/am33xx-clock.h b/arch/arm/mach-omap/include/mach/am33xx-clock.h index b9dcebd9a5..284d5f8cf6 100644 --- a/arch/arm/mach-omap/include/mach/am33xx-clock.h +++ b/arch/arm/mach-omap/include/mach/am33xx-clock.h @@ -183,7 +183,7 @@ #define CM_ALWON_GPMC_CLKCTRL CM_PER_GPMC_CLKCTRL -void am33xx_pll_init(int mpupll_M, int osc, int ddrpll_M); +void am33xx_pll_init(int mpupll_M, int ddrpll_M); void am33xx_enable_ddr_clocks(void); int am33xx_get_osc_clock(void); |