ARM: at91: do not pin mux the UARTs in init_early

There is no need to pinmux the UART so early in the kernel.
Move it to the board init.

This will also allow to finally move the gpio driver to platform device/driver.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 24 insertions, 25 deletions

diff --git a/arch/arm/mach-at91/board-cpu9krea.c b/arch/arm/mach-at91/board-cpu9krea.c
index 4073e3033191..69951ec7dbf3 100644
--- a/arch/arm/mach-at91/board-cpu9krea.c
+++ b/arch/arm/mach-at91/board-cpu9krea.c
@@ -52,31 +52,6 @@ static void __init cpu9krea_init_early(void)
 {
         /* Initialize processor: 18.432 MHz crystal */
         at91_initialize(18432000);
-
-        /* DGBU on ttyS0. (Rx & Tx only) */
-        at91_register_uart(0, 0, 0);
-
-        /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
-        at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS |
-                ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
-                ATMEL_UART_DCD | ATMEL_UART_RI);
-
-        /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
-        at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS |
-                ATMEL_UART_RTS);
-
-        /* USART2 on ttyS3. (Rx, Tx, RTS, CTS) */
-        at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS |
-                ATMEL_UART_RTS);
-
-        /* USART3 on ttyS4. (Rx, Tx) */
-        at91_register_uart(AT91SAM9260_ID_US3, 4, 0);
-
-        /* USART4 on ttyS5. (Rx, Tx) */
-        at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
-
-        /* USART5 on ttyS6. (Rx, Tx) */
-        at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
 }
 
 /*
@@ -349,6 +324,30 @@ static void __init cpu9krea_board_init(void)
         /* NOR */
         cpu9krea_add_device_nor();
         /* Serial */
+        /* DGBU on ttyS0. (Rx & Tx only) */
+        at91_register_uart(0, 0, 0);
+
+        /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+        at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS |
+                ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
+                ATMEL_UART_DCD | ATMEL_UART_RI);
+
+        /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
+        at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS |
+                ATMEL_UART_RTS);
+
+        /* USART2 on ttyS3. (Rx, Tx, RTS, CTS) */
+        at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS |
+                ATMEL_UART_RTS);
+
+        /* USART3 on ttyS4. (Rx, Tx) */
+        at91_register_uart(AT91SAM9260_ID_US3, 4, 0);
+
+        /* USART4 on ttyS5. (Rx, Tx) */
+        at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
+
+        /* USART5 on ttyS6. (Rx, Tx) */
+        at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
         at91_add_device_serial();
         /* USB Host */
         at91_add_device_usbh(&cpu9krea_usbh_data);