[U-Boot] [PATCH v2 5/6] Exynos5: Use clock_get_periph_rate generic API

[Akshay Saraswat]

Replacing SoC and peripheral specific function calls with generic
clock_get_periph_rate calls to get the peripheral clocks.

Signed-off-by: Akshay Saraswat <akshay.s at samsung.com>
---
Changes since v1:
	- Separated exynos5_get_periph_rate fixes into another patch.

 arch/arm/cpu/armv7/exynos/clock.c | 52 ++++++++++++++++++++++++++++++++-------
 1 file changed, 43 insertions(+), 9 deletions(-)

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index a43e5af..191f794 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -1768,7 +1768,7 @@ unsigned long get_arm_clk(void)
 unsigned long get_i2c_clk(void)
 {
 	if (cpu_is_exynos5()) {
-		return exynos5_get_i2c_clk();
+		return clock_get_periph_rate(PERIPH_ID_I2C0);
 	} else if (cpu_is_exynos4()) {
 		return exynos4_get_i2c_clk();
 	} else {
@@ -1780,8 +1780,6 @@ unsigned long get_i2c_clk(void)
 unsigned long get_pwm_clk(void)
 {
 	if (cpu_is_exynos5()) {
-		if (proid_is_exynos5420() || proid_is_exynos5800())
-			return exynos5420_get_pwm_clk();
 		return clock_get_periph_rate(PERIPH_ID_PWM0);
 	} else {
 		if (proid_is_exynos4412())
@@ -1792,10 +1790,28 @@ unsigned long get_pwm_clk(void)
 
 unsigned long get_uart_clk(int dev_index)
 {
+	enum periph_id id;
+
+	switch (dev_index) {
+	case 0:
+		id = PERIPH_ID_UART0;
+		break;
+	case 1:
+		id = PERIPH_ID_UART1;
+		break;
+	case 2:
+		id = PERIPH_ID_UART2;
+		break;
+	case 3:
+		id = PERIPH_ID_UART3;
+		break;
+	default:
+		debug("%s: invalid UART index %d", __func__, dev_index);
+		return -1;
+	}
+
 	if (cpu_is_exynos5()) {
-		if (proid_is_exynos5420() || proid_is_exynos5800())
-			return exynos5420_get_uart_clk(dev_index);
-		return exynos5_get_uart_clk(dev_index);
+		return clock_get_periph_rate(id);
 	} else {
 		if (proid_is_exynos4412())
 			return exynos4x12_get_uart_clk(dev_index);
@@ -1805,10 +1821,28 @@ unsigned long get_uart_clk(int dev_index)
 
 unsigned long get_mmc_clk(int dev_index)
 {
+	enum periph_id id;
+
+	switch (dev_index) {
+	case 0:
+		id = PERIPH_ID_SDMMC0;
+		break;
+	case 1:
+		id = PERIPH_ID_SDMMC1;
+		break;
+	case 2:
+		id = PERIPH_ID_SDMMC2;
+		break;
+	case 3:
+		id = PERIPH_ID_SDMMC3;
+		break;
+	default:
+		debug("%s: invalid MMC index %d", __func__, dev_index);
+		return -1;
+	}
+
 	if (cpu_is_exynos5()) {
-		if (proid_is_exynos5420() || proid_is_exynos5800())
-			return exynos5420_get_mmc_clk(dev_index);
-		return exynos5_get_mmc_clk(dev_index);
+		return clock_get_periph_rate(id);
 	} else {
 		return exynos4_get_mmc_clk(dev_index);
 	}
-- 
1.9.1