at91sam9/at91cap: move common serial initialisation to cpu

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/atmel/at91cap9adk/at91cap9adk.c b/board/atmel/at91cap9adk/at91cap9adk.c
index f7d68b7..18a0e9d 100644
--- a/board/atmel/at91cap9adk/at91cap9adk.c
+++ b/board/atmel/at91cap9adk/at91cap9adk.c
@@ -26,6 +26,7 @@
 #include <asm/arch/at91cap9.h>
 #include <asm/arch/at91cap9_matrix.h>
 #include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_rstc.h>
 #include <asm/arch/gpio.h>
@@ -47,33 +48,6 @@
  * Miscelaneous platform dependent initialisations
  */
 
-static void at91cap9_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_set_A_periph(AT91_PIN_PA22, 1);		/* TXD0 */
-	at91_set_A_periph(AT91_PIN_PA23, 0);		/* RXD0 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US0);
-#endif
-
-#ifdef CONFIG_USART1
-	at91_set_A_periph(AT91_PIN_PD0, 1);		/* TXD1 */
-	at91_set_A_periph(AT91_PIN_PD1, 0);		/* RXD1 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US1);
-#endif
-
-#ifdef CONFIG_USART2
-	at91_set_A_periph(AT91_PIN_PD2, 1);		/* TXD2 */
-	at91_set_A_periph(AT91_PIN_PD3, 0);		/* RXD2 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US2);
-#endif
-
-#ifdef CONFIG_USART3	/* DBGU */
-	at91_set_A_periph(AT91_PIN_PC30, 0);		/* DRXD */
-	at91_set_A_periph(AT91_PIN_PC31, 1);		/* DTXD */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
-#endif
-}
-
 static void at91cap9_slowclock_hw_init(void)
 {
 	/*
@@ -367,7 +341,7 @@
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-	at91cap9_serial_hw_init();
+	at91_serial_hw_init();
 	at91cap9_slowclock_hw_init();
 	at91cap9_nor_hw_init();
 #ifdef CONFIG_CMD_NAND