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-foxg20.c b/arch/arm/mach-at91/board-foxg20.c
index bb07807..33411e6 100644
--- a/arch/arm/mach-at91/board-foxg20.c
+++ b/arch/arm/mach-at91/board-foxg20.c
@@ -61,41 +61,6 @@
{
/* Initialize processor: 18.432 MHz crystal */
at91_initialize(18432000);
-
- /* DBGU 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 only) */
- at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
-
- /* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */
- at91_register_uart(AT91SAM9260_ID_US3, 4,
- ATMEL_UART_CTS
- | ATMEL_UART_RTS);
-
- /* USART4 on ttyS5. (Rx & Tx only) */
- at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
-
- /* USART5 on ttyS6. (Rx & Tx only) */
- at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
-
- /* Set the internal pull-up resistor on DRXD */
- at91_set_A_periph(AT91_PIN_PB14, 1);
-
}
/*
@@ -238,6 +203,39 @@
static void __init foxg20_board_init(void)
{
/* Serial */
+ /* DBGU 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 only) */
+ at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
+
+ /* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9260_ID_US3, 4,
+ ATMEL_UART_CTS
+ | ATMEL_UART_RTS);
+
+ /* USART4 on ttyS5. (Rx & Tx only) */
+ at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
+
+ /* USART5 on ttyS6. (Rx & Tx only) */
+ at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
+
+ /* Set the internal pull-up resistor on DRXD */
+ at91_set_A_periph(AT91_PIN_PB14, 1);
at91_add_device_serial();
/* USB Host */
at91_add_device_usbh(&foxg20_usbh_data);