[PATCH] ARM: 2818/1: BAST - Use platform device for SuperIO 16550s

Patch from Ben Dooks Use platform device for the 16500 UARTs in the onboard SuperIO controller. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
git-mirror · Jul 18, 2005 · 65cc337 · 65cc337
1 parent f60f700
commit 65cc337
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Showing 6 changed files with 37 additions and 90 deletions.
diff --git a/arch/arm/configs/bast_defconfig b/arch/arm/configs/bast_defconfig
@@ -561,7 +561,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 #
 CONFIG_SERIAL_S3C2410=y
 CONFIG_SERIAL_S3C2410_CONSOLE=y
-CONFIG_SERIAL_BAST_SIO=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y

diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
@@ -570,7 +570,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 #
 CONFIG_SERIAL_S3C2410=y
 CONFIG_SERIAL_S3C2410_CONSOLE=y
-CONFIG_SERIAL_BAST_SIO=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y

diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
@@ -28,6 +28,7 @@
  *     14-Mar-2006 BJD  Updated for __iomem changes
  *     22-Jun-2006 BJD  Added DM9000 platform information
  *     28-Jun-2006 BJD  Moved pm functionality out to common code
+ *     17-Jul-2006 BJD  Changed to platform device for SuperIO 16550s
 */
 
 #include <linux/kernel.h>
@@ -64,6 +65,8 @@
 #include <linux/mtd/nand_ecc.h>
 #include <linux/mtd/partitions.h>
 
+#include <linux/serial_8250.h>
+
 #include "clock.h"
 #include "devs.h"
 #include "cpu.h"
@@ -351,6 +354,39 @@ static struct platform_device bast_device_dm9k = {
 	}
 };
 
+/* serial devices */
+
+#define SERIAL_BASE  (S3C2410_CS2 + BAST_PA_SUPERIO)
+#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
+#define SERIAL_CLK   (1843200)
+
+static struct plat_serial8250_port bast_sio_data[] = {
+	[0] = {
+		.mapbase	= SERIAL_BASE + 0x2f8,
+		.irq		= IRQ_PCSERIAL1,
+		.flags		= SERIAL_FLAGS,
+		.iotype		= UPIO_MEM,
+		.regshift	= 0,
+		.uartclk	= SERIAL_CLK,
+	},
+	[1] = {
+		.mapbase	= SERIAL_BASE + 0x3f8,
+		.irq		= IRQ_PCSERIAL2,
+		.flags		= SERIAL_FLAGS,
+		.iotype		= UPIO_MEM,
+		.regshift	= 0,
+		.uartclk	= SERIAL_CLK,
+	},
+	{ }
+};
+
+static struct platform_device bast_sio = {
+	.name			= "serial8250",
+	.id			= 0,
+	.dev			= {
+		.platform_data	= &bast_sio_data,
+	},
+};
 
 /* Standard BAST devices */
 
@@ -364,6 +400,7 @@ static struct platform_device *bast_devices[] __initdata = {
 	&s3c_device_nand,
 	&bast_device_nor,
 	&bast_device_dm9k,
+	&bast_sio,
 };
 
 static struct clk *bast_clocks[] = {

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
@@ -306,13 +306,6 @@ config SERIAL_S3C2410_CONSOLE
 	  your boot loader about how to pass options to the kernel at
 	  boot time.)
 
-config SERIAL_BAST_SIO
-	bool "Support for BAST SuperIO serial ports"
-	depends on ARCH_BAST && SERIAL_8250=y
-	help
-	  Support for registerin the SuperIO chip on BAST board with
-	  the 8250/16550 uart code.
-
 config SERIAL_DZ
 	bool "DECstation DZ serial driver"
 	depends on MACH_DECSTATION && MIPS32

diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
@@ -44,7 +44,6 @@ obj-$(CONFIG_SERIAL_LH7A40X) += serial_lh7a40x.o
 obj-$(CONFIG_SERIAL_AU1X00) += au1x00_uart.o
 obj-$(CONFIG_SERIAL_DZ) += dz.o
 obj-$(CONFIG_SERIAL_SH_SCI) += sh-sci.o
-obj-$(CONFIG_SERIAL_BAST_SIO) += bast_sio.o
 obj-$(CONFIG_SERIAL_SGI_L1_CONSOLE) += sn_console.o
 obj-$(CONFIG_SERIAL_CPM) += cpm_uart/
 obj-$(CONFIG_SERIAL_IMX) += imx.o

diff --git a/drivers/serial/bast_sio.c b/drivers/serial/bast_sio.c