sh: VoyagerGX cleanups and 8250 UART support.
[linux-2.6.git] / arch / sh / boards / renesas / rts7751r2d / setup.c
index 60907f5..f6ce702 100644 (file)
@@ -1,18 +1,76 @@
 /*
- * linux/arch/sh/kernel/setup_rts7751r2d.c
- *
- * Copyright (C) 2000  Kazumoto Kojima
- *
  * Renesas Technology Sales RTS7751R2D Support.
  *
- * Modified for RTS7751R2D by
- * Atom Create Engineering Co., Ltd. 2002.
+ * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2004 - 2006 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
-
 #include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
 #include <linux/pm.h>
 #include <asm/io.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
+#include <asm/mach/rts7751r2d.h>
+#include <asm/mach/voyagergx_reg.h>
+
+static struct plat_serial8250_port uart_platform_data[] = {
+       {
+               .membase        = (void *)VOYAGER_UART_BASE,
+               .mapbase        = VOYAGER_UART_BASE,
+               .iotype         = UPIO_MEM,
+               .irq            = VOYAGER_UART0_IRQ,
+               .flags          = UPF_BOOT_AUTOCONF,
+               .regshift       = 2,
+               .uartclk        = (9600 * 16),
+       }, {
+               .flags          = 0,
+       },
+};
+
+static void __init voyagergx_serial_init(void)
+{
+       unsigned long val;
+
+       /*
+        * GPIO Control
+        */
+       val = inl(GPIO_MUX_HIGH);
+       val |= 0x00001fe0;
+       outl(val, GPIO_MUX_HIGH);
+
+       /*
+        * Power Mode Gate
+        */
+       val = inl(POWER_MODE0_GATE);
+       val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
+       outl(val, POWER_MODE0_GATE);
+
+       val = inl(POWER_MODE1_GATE);
+       val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
+       outl(val, POWER_MODE1_GATE);
+}
+
+static struct platform_device uart_device = {
+       .name           = "serial8250",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = uart_platform_data,
+       },
+};
+
+static struct platform_device *rts7751r2d_devices[] __initdata = {
+       &uart_device,
+};
+
+static int __init rts7751r2d_devices_setup(void)
+{
+       return platform_add_devices(rts7751r2d_devices,
+                                   ARRAY_SIZE(rts7751r2d_devices));
+}
+__initcall(rts7751r2d_devices_setup);
 
 const char *get_system_type(void)
 {
@@ -32,4 +90,7 @@ void __init platform_setup(void)
        printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
        ctrl_outw(0x0000, PA_OUTPORT);
        pm_power_off = rts7751r2d_power_off;
+
+       voyagergx_serial_init();
+
 }