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[AVR32] fix serial port setup on ATSTK1000

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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>
This commit is contained in:
David Brownell 2007-01-23 20:14:02 -08:00 committed by Haavard Skinnemoen
parent 914ab06279
commit a3d912c8fa
2 changed files with 15 additions and 5 deletions
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16
arch/avr32/boards/atstk1000/atstk1002.c
View file

@ -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]));

4
arch/avr32/mach-at32ap/at32ap7000.c
View file

@ -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)
{