ARM: AM33xx: Cleanup clocks layer

Cleaning up the clocks layer.
This helps in addition of new Soc with minimal
changes.
This is derived from OMAP4 boards.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Heiko Schocher <hs@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>
diff --git a/board/isee/igep0033/board.c b/board/isee/igep0033/board.c
index 034a8aa..a065a74 100644
--- a/board/isee/igep0033/board.c
+++ b/board/isee/igep0033/board.c
@@ -103,11 +103,7 @@
 		;
 
 #ifdef CONFIG_SPL_BUILD
-	/* Setup the PLLs and the clocks for the peripherals */
-	pll_init();
-
-	/* Enable RTC32K clock */
-	rtc32k_enable();
+	setup_clocks_for_console();
 
 	enable_uart0_pin_mux();
 
@@ -116,6 +112,11 @@
 
 	preloader_console_init();
 
+	prcm_init();
+
+	/* Enable RTC32K clock */
+	rtc32k_enable();
+
 	/* Configure board pin mux */
 	enable_board_pin_mux();
 
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 2be2297..a6edc2d 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -317,10 +317,7 @@
 
 #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT)
 	/* Setup the PLLs and the clocks for the peripherals */
-	pll_init();
-
-	/* Enable RTC32K clock */
-	rtc32k_enable();
+	setup_clocks_for_console();
 
 #ifdef CONFIG_SERIAL1
 	enable_uart0_pin_mux();
@@ -354,12 +351,14 @@
 	preloader_console_init();
 #endif
 
-	/* Initalize the board header */
-	enable_i2c0_pin_mux();
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	prcm_init();
+
 	if (read_eeprom(&header) < 0)
 		puts("Could not get board ID.\n");
 
+	/* Enable RTC32K clock */
+	rtc32k_enable();
+
 	enable_board_pin_mux(&header);
 	if (board_is_evm_sk(&header)) {
 		/*
diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c
index c469645..bd708bb 100644
--- a/board/ti/ti814x/evm.c
+++ b/board/ti/ti814x/evm.c
@@ -125,11 +125,7 @@
 	/* Enable timer */
 	timer_init();
 
-	/* Setup the PLLs and the clocks for the peripherals */
-	pll_init();
-
-	/* Enable RTC32K clock */
-	rtc32k_enable();
+	setup_clocks_for_console();
 
 	/* Set UART pins */
 	enable_uart0_pin_mux();
@@ -147,6 +143,12 @@
 
 	preloader_console_init();
 
+	/* Setup the PLLs and the clocks for the peripherals */
+	prcm_init();
+
+	/* Enable RTC32K clock */
+	rtc32k_enable();
+
 	config_dmm(&evm_lisa_map_regs);
 
 	config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data,