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-gsia18s.c b/arch/arm/mach-at91/board-gsia18s.c
index 230e719..3e0dfa6 100644
--- a/arch/arm/mach-at91/board-gsia18s.c
+++ b/arch/arm/mach-at91/board-gsia18s.c
@@ -41,38 +41,6 @@
static void __init gsia18s_init_early(void)
{
stamp9g20_init_early();
-
- /*
- * USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI).
- * Used for Internal Analog Modem.
- */
- 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, CTS, RTS).
- * Used for GPS or WiFi or Data stream.
- */
- at91_register_uart(AT91SAM9260_ID_US1, 2,
- ATMEL_UART_CTS | ATMEL_UART_RTS);
- /*
- * USART2 on ttyS3 (Rx, Tx, CTS, RTS).
- * Used for External Modem.
- */
- at91_register_uart(AT91SAM9260_ID_US2, 3,
- ATMEL_UART_CTS | ATMEL_UART_RTS);
- /*
- * USART3 on ttyS4 (Rx, Tx, RTS).
- * Used for RS-485.
- */
- at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS);
-
- /*
- * USART4 on ttyS5 (Rx, Tx).
- * Used for TRX433 Radio Module.
- */
- at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
}
/*
@@ -558,6 +526,37 @@
static void __init gsia18s_board_init(void)
{
+ /*
+ * USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI).
+ * Used for Internal Analog Modem.
+ */
+ 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, CTS, RTS).
+ * Used for GPS or WiFi or Data stream.
+ */
+ at91_register_uart(AT91SAM9260_ID_US1, 2,
+ ATMEL_UART_CTS | ATMEL_UART_RTS);
+ /*
+ * USART2 on ttyS3 (Rx, Tx, CTS, RTS).
+ * Used for External Modem.
+ */
+ at91_register_uart(AT91SAM9260_ID_US2, 3,
+ ATMEL_UART_CTS | ATMEL_UART_RTS);
+ /*
+ * USART3 on ttyS4 (Rx, Tx, RTS).
+ * Used for RS-485.
+ */
+ at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS);
+
+ /*
+ * USART4 on ttyS5 (Rx, Tx).
+ * Used for TRX433 Radio Module.
+ */
+ at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
stamp9g20_board_init();
at91_add_device_usbh(&usbh_data);
at91_add_device_udc(&udc_data);
