diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2005-07-10 19:44:53 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-07-10 19:44:53 +0100 |
| commit | 28187f2ce39eb2158c35a46696af03cdfd14310a (patch) | |
| tree | 921c08ec59ff6842602dfbc9c740c3bf2b684d8f /arch/arm/mach-ixp2000/core.c | |
| parent | f179bc77d09b9087bfc559d0368bba350342ac76 (diff) | |
[PATCH] ARM: 2793/1: platform serial support for ixp2000
Patch from Lennert Buytenhek
This patch converts the ixp2000 serial port over to a platform
serial device.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ixp2000/core.c')
| -rw-r--r-- | arch/arm/mach-ixp2000/core.c | 55 |
1 files changed, 40 insertions, 15 deletions
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 4b9d841e04c..45b18658499 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -23,7 +23,7 @@ #include <linux/serial.h> #include <linux/tty.h> #include <linux/bitops.h> -#include <linux/serial_core.h> +#include <linux/serial_8250.h> #include <linux/mm.h> #include <asm/types.h> @@ -125,19 +125,6 @@ static struct map_desc ixp2000_io_desc[] __initdata = { } }; -static struct uart_port ixp2000_serial_port = { - .membase = (char *)(IXP2000_UART_VIRT_BASE + 3), - .mapbase = IXP2000_UART_PHYS_BASE + 3, - .irq = IRQ_IXP2000_UART, - .flags = UPF_SKIP_TEST, - .iotype = UPIO_MEM, - .regshift = 2, - .uartclk = 50000000, - .line = 0, - .type = PORT_XSCALE, - .fifosize = 16 -}; - void __init ixp2000_map_io(void) { extern unsigned int processor_id; @@ -157,12 +144,50 @@ void __init ixp2000_map_io(void) } iotable_init(ixp2000_io_desc, ARRAY_SIZE(ixp2000_io_desc)); - early_serial_setup(&ixp2000_serial_port); /* Set slowport to 8-bit mode. */ ixp2000_reg_write(IXP2000_SLOWPORT_FRM, 1); } + +/************************************************************************* + * Serial port support for IXP2000 + *************************************************************************/ +static struct plat_serial8250_port ixp2000_serial_port[] = { + { + .mapbase = IXP2000_UART_PHYS_BASE, + .membase = (char *)(IXP2000_UART_VIRT_BASE + 3), + .irq = IRQ_IXP2000_UART, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 50000000, + }, + { }, +}; + +static struct resource ixp2000_uart_resource = { + .start = IXP2000_UART_PHYS_BASE, + .end = IXP2000_UART_PHYS_BASE + 0xffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ixp2000_serial_device = { + .name = "serial8250", + .id = 0, + .dev = { + .platform_data = ixp2000_serial_port, + }, + .num_resources = 1, + .resource = &ixp2000_uart_resource, +}; + +void __init ixp2000_uart_init(void) +{ + platform_device_register(&ixp2000_serial_device); +} + + /************************************************************************* * Timer-tick functions for IXP2000 *************************************************************************/ |