ARM: keystone2: Allow for board specific speed definitions
Its not compulsory that speed definition should be same on EFUSE_BOOTROM
register for all keystone 2 devices. So, allow for board specific
speed definitions.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-keystone/clock.c b/arch/arm/mach-keystone/clock.c
index 5c6051e..1ae3baf 100644
--- a/arch/arm/mach-keystone/clock.c
+++ b/arch/arm/mach-keystone/clock.c
@@ -228,14 +228,14 @@
}
}
-static int get_max_speed(u32 val, u32 speed_supported)
+static int get_max_speed(u32 val, u32 speed_supported, int *spds)
{
int speed;
/* Left most setbit gives the speed */
for (speed = DEVSPEED_NUMSPDS; speed >= 0; speed--) {
if ((val & BIT(speed)) & speed_supported)
- return speeds[speed];
+ return spds[speed];
}
/* If no bit is set, use SPD800 */
@@ -250,24 +250,24 @@
return __raw_readl(KS2_EFUSE_BOOTROM);
}
-int get_max_arm_speed(void)
+int get_max_arm_speed(int *spds)
{
u32 armspeed = read_efuse_bootrom();
armspeed = (armspeed & DEVSPEED_ARMSPEED_MASK) >>
DEVSPEED_ARMSPEED_SHIFT;
- return get_max_speed(armspeed, ARM_SUPPORTED_SPEEDS);
+ return get_max_speed(armspeed, ARM_SUPPORTED_SPEEDS, spds);
}
-int get_max_dev_speed(void)
+int get_max_dev_speed(int *spds)
{
u32 devspeed = read_efuse_bootrom();
devspeed = (devspeed & DEVSPEED_DEVSPEED_MASK) >>
DEVSPEED_DEVSPEED_SHIFT;
- return get_max_speed(devspeed, DEV_SUPPORTED_SPEEDS);
+ return get_max_speed(devspeed, DEV_SUPPORTED_SPEEDS, spds);
}
/**
diff --git a/arch/arm/mach-keystone/include/mach/clock.h b/arch/arm/mach-keystone/include/mach/clock.h
index cdcff3b..dfebcb0 100644
--- a/arch/arm/mach-keystone/include/mach/clock.h
+++ b/arch/arm/mach-keystone/include/mach/clock.h
@@ -124,8 +124,8 @@
unsigned long clk_get_rate(unsigned int clk);
unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
int clk_set_rate(unsigned int clk, unsigned long hz);
-int get_max_dev_speed(void);
-int get_max_arm_speed(void);
+int get_max_dev_speed(int *spds);
+int get_max_arm_speed(int *spds);
void pll_pa_clk_sel(void);
#endif