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authorDavid Brownell <david-b@pacbell.net>2007-01-23 20:14:02 -0800
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2007-02-09 15:01:57 +0100
commita3d912c8fa709c4078ceaabf4d71001190e19325 (patch)
tree58a492ce454a6412bb63710decc56f741981ede7
parent914ab06279f15d3f368f4fae74db58fdcf03a2ed (diff)
downloadlinux-2.6.34-ux500-a3d912c8fa709c4078ceaabf4d71001190e19325.tar.gz
[AVR32] fix serial port setup on ATSTK1000
Fixes to USART setup on the stk-1000 ... don't configure USART 2, since its TXD/RXD are used for INT-A and INT-B buttons; and configure USART 0 (for IRDA, and with corrected IRQ) iff SW2 has a non-default setting. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
-rw-r--r--arch/avr32/boards/atstk1000/atstk1002.c16
-rw-r--r--arch/avr32/mach-at32ap/at32ap7000.c4
2 files changed, 15 insertions, 5 deletions
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index 32b361f31c2..3787d6bfe0d 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -20,6 +20,9 @@
#include <asm/arch/board.h>
#include <asm/arch/init.h>
+
+#define SW2_DEFAULT /* MMCI and UART_A available */
+
struct eth_addr {
u8 addr[6];
};
@@ -86,9 +89,13 @@ static void __init set_hw_addr(struct platform_device *pdev)
void __init setup_board(void)
{
- at32_map_usart(1, 0); /* /dev/ttyS0 */
- at32_map_usart(2, 1); /* /dev/ttyS1 */
- at32_map_usart(3, 2); /* /dev/ttyS2 */
+#ifdef SW2_DEFAULT
+ at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
+#else
+ at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
+#endif
+ /* USART 2/unused: expansion connector */
+ at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
at32_setup_serial_console(0);
}
@@ -97,8 +104,11 @@ static int __init atstk1002_init(void)
{
at32_add_system_devices();
+#ifdef SW2_DEFAULT
at32_add_device_usart(0);
+#else
at32_add_device_usart(1);
+#endif
at32_add_device_usart(2);
set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
index 48f4ef38c70..175853a3c32 100644
--- a/arch/avr32/mach-at32ap/at32ap7000.c
+++ b/arch/avr32/mach-at32ap/at32ap7000.c
@@ -521,7 +521,7 @@ static struct atmel_uart_data atmel_usart0_data = {
};
static struct resource atmel_usart0_resource[] = {
PBMEM(0xffe00c00),
- IRQ(7),
+ IRQ(6),
};
DEFINE_DEV_DATA(atmel_usart, 0);
DEV_CLK(usart, atmel_usart0, pba, 4);
@@ -583,7 +583,7 @@ static inline void configure_usart3_pins(void)
select_peripheral(PB(17), PERIPH_B, 0); /* TXD */
}
-static struct platform_device *at32_usarts[4];
+static struct platform_device *__initdata at32_usarts[4];
void __init at32_map_usart(unsigned int hw_id, unsigned int line)
{