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>

arch/arm/mach-keystone/clock.c

@@ -228,14 +228,14 @@ void init_plls(void)
 	}
 }
 
-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 @@ static inline u32 read_efuse_bootrom(void)
 		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);
 }
 
 /**

arch/arm/mach-keystone/include/mach/clock.h

@@ -124,8 +124,8 @@ struct pll_init_data *get_pll_init_data(int pll);
 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

board/ti/ks2_evm/board_k2e.c

@@ -61,7 +61,7 @@ struct pll_init_data *get_pll_init_data(int pll)
 
 	switch (pll) {
 	case MAIN_PLL:
-		speed = get_max_dev_speed();
+		speed = get_max_dev_speed(speeds);
 		data = &core_pll_config[speed];
 		break;
 	case PASS_PLL:

board/ti/ks2_evm/board_k2hk.c

@@ -51,11 +51,11 @@ struct pll_init_data *get_pll_init_data(int pll)
 
 	switch (pll) {
 	case MAIN_PLL:
-		speed = get_max_dev_speed();
+		speed = get_max_dev_speed(speeds);
 		data = &core_pll_config[speed];
 		break;
 	case TETRIS_PLL:
-		speed = get_max_arm_speed();
+		speed = get_max_arm_speed(speeds);
 		data = &tetris_pll_config[speed];
 		break;
 	case PASS_PLL:

board/ti/ks2_evm/board_k2l.c

@@ -50,11 +50,11 @@ struct pll_init_data *get_pll_init_data(int pll)
 
 	switch (pll) {
 	case MAIN_PLL:
-		speed = get_max_dev_speed();
+		speed = get_max_dev_speed(speeds);
 		data = &core_pll_config[speed];
 		break;
 	case TETRIS_PLL:
-		speed = get_max_arm_speed();
+		speed = get_max_arm_speed(speeds);
 		data = &tetris_pll_config[speed];
 		break;
 	case PASS_PLL: