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>
diff --git a/arch/arm/mach-at91/board-rsi-ews.c b/arch/arm/mach-at91/board-rsi-ews.c
index 2c84463..10d8730 100644
--- a/arch/arm/mach-at91/board-rsi-ews.c
+++ b/arch/arm/mach-at91/board-rsi-ews.c
@@ -38,20 +38,6 @@
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PB6, AT91_PIN_PB9);
-
- /* DBGU on ttyS0. (Rx & Tx only) */
- /* This one is for debugging */
- at91_register_uart(0, 0, 0);
-
- /* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
- /* Dialin/-out modem interface */
- at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS
- | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
- | ATMEL_UART_RI);
-
- /* USART3 on ttyS4. (Rx, Tx, RTS) */
- /* RS485 communication */
- at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);
}
/*
@@ -202,6 +188,19 @@
static void __init rsi_ews_board_init(void)
{
/* Serial */
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ /* This one is for debugging */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ /* Dialin/-out modem interface */
+ at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART3 on ttyS4. (Rx, Tx, RTS) */
+ /* RS485 communication */
+ at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);
at91_add_device_serial();
at91_set_gpio_output(AT91_PIN_PA21, 0);
/* Ethernet */