at91sam9/at91cap: move common serial initialisation to cpu

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

13 files changed, 432 insertions, 169 deletions

diff --git a/board/afeb9260/afeb9260.c b/board/afeb9260/afeb9260.c
index 32445ab..dd29d91 100644
--- a/board/afeb9260/afeb9260.c
+++ b/board/afeb9260/afeb9260.c
@@ -27,6 +27,7 @@
 #include <asm/arch/at91sam9260.h>
 #include <asm/arch/at91sam9260_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>
@@ -44,33 +45,6 @@ DECLARE_GLOBAL_DATA_PTR;
  * Miscelaneous platform dependent initialisations
  */
 
-static void afeb9260_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_set_A_periph(AT91_PIN_PB4, 1);		/* TXD0 */
-	at91_set_A_periph(AT91_PIN_PB5, 0);		/* RXD0 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US0);
-#endif
-
-#ifdef CONFIG_USART1
-	at91_set_A_periph(AT91_PIN_PB6, 1);		/* TXD1 */
-	at91_set_A_periph(AT91_PIN_PB7, 0);		/* RXD1 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US1);
-#endif
-
-#ifdef CONFIG_USART2
-	at91_set_A_periph(AT91_PIN_PB8, 1);		/* TXD2 */
-	at91_set_A_periph(AT91_PIN_PB9, 0);		/* RXD2 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US2);
-#endif
-
-#ifdef CONFIG_USART3	/* DBGU */
-	at91_set_A_periph(AT91_PIN_PB14, 0);		/* DRXD */
-	at91_set_A_periph(AT91_PIN_PB15, 1);		/* DTXD */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
-#endif
-}
-
 static void afeb9260_nand_hw_init(void)
 {
 	unsigned long csa;
@@ -201,7 +175,7 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-	afeb9260_serial_hw_init();
+	at91_serial_hw_init();
 #ifdef CONFIG_CMD_NAND
 	afeb9260_nand_hw_init();
 #endif
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 @@ DECLARE_GLOBAL_DATA_PTR;
  * 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 @@ int board_init(void)
 	/* 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
diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c
index ef99b8b..985daf7 100644
--- a/board/atmel/at91sam9260ek/at91sam9260ek.c
+++ b/board/atmel/at91sam9260ek/at91sam9260ek.c
@@ -26,6 +26,7 @@
 #include <asm/arch/at91sam9260.h>
 #include <asm/arch/at91sam9260_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>
@@ -43,33 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
  * Miscelaneous platform dependent initialisations
  */
 
-static void at91sam9260ek_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_set_A_periph(AT91_PIN_PB4, 1);		/* TXD0 */
-	at91_set_A_periph(AT91_PIN_PB5, 0);		/* RXD0 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US0);
-#endif
-
-#ifdef CONFIG_USART1
-	at91_set_A_periph(AT91_PIN_PB6, 1);		/* TXD1 */
-	at91_set_A_periph(AT91_PIN_PB7, 0);		/* RXD1 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US1);
-#endif
-
-#ifdef CONFIG_USART2
-	at91_set_A_periph(AT91_PIN_PB8, 1);		/* TXD2 */
-	at91_set_A_periph(AT91_PIN_PB9, 0);		/* RXD2 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US2);
-#endif
-
-#ifdef CONFIG_USART3	/* DBGU */
-	at91_set_A_periph(AT91_PIN_PB14, 0);		/* DRXD */
-	at91_set_A_periph(AT91_PIN_PB15, 1);		/* DTXD */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
-#endif
-}
-
 #ifdef CONFIG_CMD_NAND
 static void at91sam9260ek_nand_hw_init(void)
 {
@@ -217,7 +191,7 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-	at91sam9260ek_serial_hw_init();
+	at91_serial_hw_init();
 #ifdef CONFIG_CMD_NAND
 	at91sam9260ek_nand_hw_init();
 #endif
diff --git a/board/atmel/at91sam9261ek/at91sam9261ek.c b/board/atmel/at91sam9261ek/at91sam9261ek.c
index 14f236d..5fe3d3f 100644
--- a/board/atmel/at91sam9261ek/at91sam9261ek.c
+++ b/board/atmel/at91sam9261ek/at91sam9261ek.c
@@ -26,6 +26,7 @@
 #include <asm/arch/at91sam9261.h>
 #include <asm/arch/at91sam9261_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>
@@ -43,33 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
  * Miscelaneous platform dependent initialisations
  */
 
-static void at91sam9261ek_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_set_A_periph(AT91_PIN_PC8, 1);		/* TXD0 */
-	at91_set_A_periph(AT91_PIN_PC9, 0);		/* RXD0 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US0);
-#endif
-
-#ifdef CONFIG_USART1
-	at91_set_A_periph(AT91_PIN_PC12, 1);		/* TXD1 */
-	at91_set_A_periph(AT91_PIN_PC13, 0);		/* RXD1 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US1);
-#endif
-
-#ifdef CONFIG_USART2
-	at91_set_A_periph(AT91_PIN_PC14, 1);		/* TXD2 */
-	at91_set_A_periph(AT91_PIN_PC15, 0);		/* RXD2 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US2);
-#endif
-
-#ifdef CONFIG_USART3	/* DBGU */
-	at91_set_A_periph(AT91_PIN_PA9, 0);		/* DRXD */
-	at91_set_A_periph(AT91_PIN_PA10, 1);		/* DTXD */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
-#endif
-}
-
 #ifdef CONFIG_CMD_NAND
 static void at91sam9261ek_nand_hw_init(void)
 {
@@ -250,7 +224,7 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-	at91sam9261ek_serial_hw_init();
+	at91_serial_hw_init();
 #ifdef CONFIG_CMD_NAND
 	at91sam9261ek_nand_hw_init();
 #endif
diff --git a/board/atmel/at91sam9263ek/at91sam9263ek.c b/board/atmel/at91sam9263ek/at91sam9263ek.c
index ebd4649..37634a8 100644
--- a/board/atmel/at91sam9263ek/at91sam9263ek.c
+++ b/board/atmel/at91sam9263ek/at91sam9263ek.c
@@ -27,6 +27,7 @@
 #include <asm/arch/at91sam9263.h>
 #include <asm/arch/at91sam9263_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>
@@ -46,33 +47,6 @@ DECLARE_GLOBAL_DATA_PTR;
  * Miscelaneous platform dependent initialisations
  */
 
-static void at91sam9263ek_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_set_A_periph(AT91_PIN_PA26, 1);		/* TXD0 */
-	at91_set_A_periph(AT91_PIN_PA27, 0);		/* RXD0 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_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 << AT91SAM9263_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 << AT91SAM9263_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
-}
-
 #ifdef CONFIG_CMD_NAND
 static void at91sam9263ek_nand_hw_init(void)
 {
@@ -301,7 +275,7 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-	at91sam9263ek_serial_hw_init();
+	at91_serial_hw_init();
 #ifdef CONFIG_CMD_NAND
 	at91sam9263ek_nand_hw_init();
 #endif
diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
index b6fef9d..26395a2 100644
--- a/board/atmel/at91sam9rlek/at91sam9rlek.c
+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
@@ -26,6 +26,7 @@
 #include <asm/arch/at91sam9rl.h>
 #include <asm/arch/at91sam9rl_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>
@@ -43,33 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
  * Miscelaneous platform dependent initialisations
  */
 
-static void at91sam9rlek_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_set_A_periph(AT91_PIN_PA6, 1);		/* TXD0 */
-	at91_set_A_periph(AT91_PIN_PA7, 0);		/* RXD0 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US0);
-#endif
-
-#ifdef CONFIG_USART1
-	at91_set_A_periph(AT91_PIN_PA11, 1);		/* TXD1 */
-	at91_set_A_periph(AT91_PIN_PA12, 0);		/* RXD1 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US1);
-#endif
-
-#ifdef CONFIG_USART2
-	at91_set_A_periph(AT91_PIN_PA13, 1);		/* TXD2 */
-	at91_set_A_periph(AT91_PIN_PA14, 0);		/* RXD2 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US2);
-#endif
-
-#ifdef CONFIG_USART3	/* DBGU */
-	at91_set_A_periph(AT91_PIN_PA21, 0);		/* DRXD */
-	at91_set_A_periph(AT91_PIN_PA22, 1);		/* DTXD */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
-#endif
-}
-
 #ifdef CONFIG_CMD_NAND
 static void at91sam9rlek_nand_hw_init(void)
 {
@@ -223,7 +197,7 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-	at91sam9rlek_serial_hw_init();
+	at91_serial_hw_init();
 #ifdef CONFIG_CMD_NAND
 	at91sam9rlek_nand_hw_init();
 #endif
diff --git a/cpu/arm926ejs/at91/Makefile b/cpu/arm926ejs/at91/Makefile
index 2d2a888..66d4d6d 100644
--- a/cpu/arm926ejs/at91/Makefile
+++ b/cpu/arm926ejs/at91/Makefile
@@ -25,8 +25,13 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).a
 
+COBJS-$(CONFIG_AT91CAP9)	+= at91cap9_serial.o
+COBJS-$(CONFIG_AT91SAM9260)	+= at91sam9260_serial.o
+COBJS-$(CONFIG_AT91SAM9261)	+= at91sam9261_serial.o
+COBJS-$(CONFIG_AT91SAM9263)	+= at91sam9263_serial.o
+COBJS-$(CONFIG_AT91SAM9RL)	+= at91sam9rl_serial.o
+COBJS-$(CONFIG_HAS_DATAFLASH)	+= spi.o
 COBJS-y	+= timer.o
-COBJS-$(CONFIG_HAS_DATAFLASH) +=spi.o
 COBJS-y	+= usb.o
 SOBJS	= lowlevel_init.o
 
diff --git a/cpu/arm926ejs/at91/at91cap9_serial.c b/cpu/arm926ejs/at91/at91cap9_serial.c
new file mode 100644
index 0000000..5f41f7e
--- /dev/null
+++ b/cpu/arm926ejs/at91/at91cap9_serial.c
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+void at91_serial0_hw_init(void)
+{
+	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);
+}
+
+void at91_serial1_hw_init(void)
+{
+	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);
+}
+
+void at91_serial2_hw_init(void)
+{
+	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);
+}
+
+void at91_serial3_hw_init(void)
+{
+	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);
+}
+
+void at91_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+	at91_serial0_hw_init();
+#endif
+
+#ifdef CONFIG_USART1
+	at91_serial1_hw_init();
+#endif
+
+#ifdef CONFIG_USART2
+	at91_serial2_hw_init();
+#endif
+
+#ifdef CONFIG_USART3	/* DBGU */
+	at91_serial3_hw_init();
+#endif
+}
diff --git a/cpu/arm926ejs/at91/at91sam9260_serial.c b/cpu/arm926ejs/at91/at91sam9260_serial.c
new file mode 100644
index 0000000..43f1971
--- /dev/null
+++ b/cpu/arm926ejs/at91/at91sam9260_serial.c
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+void at91_serial0_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PB4, 1);		/* TXD0 */
+	at91_set_A_periph(AT91_PIN_PB5, 0);		/* RXD0 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US0);
+}
+
+void at91_serial1_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PB6, 1);		/* TXD1 */
+	at91_set_A_periph(AT91_PIN_PB7, 0);		/* RXD1 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US1);
+}
+
+void at91_serial2_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PB8, 1);		/* TXD2 */
+	at91_set_A_periph(AT91_PIN_PB9, 0);		/* RXD2 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US2);
+}
+
+void at91_serial3_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PB14, 0);		/* DRXD */
+	at91_set_A_periph(AT91_PIN_PB15, 1);		/* DTXD */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
+}
+
+void at91_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+	at91_serial0_hw_init();
+#endif
+
+#ifdef CONFIG_USART1
+	at91_serial1_hw_init();
+#endif
+
+#ifdef CONFIG_USART2
+	at91_serial2_hw_init();
+#endif
+
+#ifdef CONFIG_USART3	/* DBGU */
+	at91_serial3_hw_init();
+#endif
+}
diff --git a/cpu/arm926ejs/at91/at91sam9261_serial.c b/cpu/arm926ejs/at91/at91sam9261_serial.c
new file mode 100644
index 0000000..c262a92
--- /dev/null
+++ b/cpu/arm926ejs/at91/at91sam9261_serial.c
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+void at91_serial0_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PC8, 1);		/* TXD0 */
+	at91_set_A_periph(AT91_PIN_PC9, 0);		/* RXD0 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US0);
+}
+
+void at91_serial1_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PC12, 1);		/* TXD1 */
+	at91_set_A_periph(AT91_PIN_PC13, 0);		/* RXD1 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US1);
+}
+
+void at91_serial2_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PC14, 1);		/* TXD2 */
+	at91_set_A_periph(AT91_PIN_PC15, 0);		/* RXD2 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US2);
+}
+
+void at91_serial3_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PA9, 0);		/* DRXD */
+	at91_set_A_periph(AT91_PIN_PA10, 1);		/* DTXD */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
+}
+
+void at91_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+	at91_serial0_hw_init();
+#endif
+
+#ifdef CONFIG_USART1
+	at91_serial1_hw_init();
+#endif
+
+#ifdef CONFIG_USART2
+	at91_serial2_hw_init();
+#endif
+
+#ifdef CONFIG_USART3	/* DBGU */
+	at91_serial3_hw_init();
+#endif
+}
diff --git a/cpu/arm926ejs/at91/at91sam9263_serial.c b/cpu/arm926ejs/at91/at91sam9263_serial.c
new file mode 100644
index 0000000..1076195
--- /dev/null
+++ b/cpu/arm926ejs/at91/at91sam9263_serial.c
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+void at91_serial0_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PA26, 1);		/* TXD0 */
+	at91_set_A_periph(AT91_PIN_PA27, 0);		/* RXD0 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US0);
+}
+
+void at91_serial1_hw_init(void)
+{
+	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 << AT91SAM9263_ID_US1);
+}
+
+void at91_serial2_hw_init(void)
+{
+	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 << AT91SAM9263_ID_US2);
+}
+
+void at91_serial3_hw_init(void)
+{
+	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);
+}
+
+void at91_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+	at91_serial0_hw_init();
+#endif
+
+#ifdef CONFIG_USART1
+	at91_serial1_hw_init();
+#endif
+
+#ifdef CONFIG_USART2
+	at91_serial2_hw_init();
+#endif
+
+#ifdef CONFIG_USART3	/* DBGU */
+	at91_serial3_hw_init();
+#endif
+}
diff --git a/cpu/arm926ejs/at91/at91sam9rl_serial.c b/cpu/arm926ejs/at91/at91sam9rl_serial.c
new file mode 100644
index 0000000..99ce418
--- /dev/null
+++ b/cpu/arm926ejs/at91/at91sam9rl_serial.c
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+void at91_serial0_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PA6, 1);		/* TXD0 */
+	at91_set_A_periph(AT91_PIN_PA7, 0);		/* RXD0 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US0);
+}
+
+void at91_serial1_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PA11, 1);		/* TXD1 */
+	at91_set_A_periph(AT91_PIN_PA12, 0);		/* RXD1 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US1);
+}
+
+void at91_serial2_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PA13, 1);		/* TXD2 */
+	at91_set_A_periph(AT91_PIN_PA14, 0);		/* RXD2 */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US2);
+}
+
+void at91_serial3_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PA21, 0);		/* DRXD */
+	at91_set_A_periph(AT91_PIN_PA22, 1);		/* DTXD */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
+}
+
+void at91_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+	at91_serial0_hw_init();
+#endif
+
+#ifdef CONFIG_USART1
+	at91_serial1_hw_init();
+#endif
+
+#ifdef CONFIG_USART2
+	at91_serial2_hw_init();
+#endif
+
+#ifdef CONFIG_USART3	/* DBGU */
+	at91_serial3_hw_init();
+#endif
+}
diff --git a/include/asm-arm/arch-at91/at91_common.h b/include/asm-arm/arch-at91/at91_common.h
new file mode 100644
index 0000000..2ac241f
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91_common.h
@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef AT91_COMMON_H
+#define AT91_COMMON_H
+
+void at91_serial_hw_init(void);
+void at91_serial0_hw_init(void);
+void at91_serial1_hw_init(void);
+void at91_serial2_hw_init(void);
+void at91_serial3_hw_init(void);
+
+#endif /* AT91_COMMON_H */