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authorLennert Buytenhek <buytenh@wantstofly.org>2005-07-10 19:44:53 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-07-10 19:44:53 +0100
commit28187f2ce39eb2158c35a46696af03cdfd14310a (patch)
tree921c08ec59ff6842602dfbc9c740c3bf2b684d8f /arch/arm/mach-ixp2000/core.c
parentf179bc77d09b9087bfc559d0368bba350342ac76 (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.c55
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
*************************************************************************/