sh: VoyagerGX cleanups and 8250 UART support.

This adds the VoyagerGX UART to the RTS7751R2D setup
code, and cleans up a few build issues.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

3 files changed, 71 insertions, 11 deletions

diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c
index 60907f574f34..f6ce7021feba 100644
--- a/arch/sh/boards/renesas/rts7751r2d/setup.c
+++ b/arch/sh/boards/renesas/rts7751r2d/setup.c
@@ -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();
+
 }
diff --git a/arch/sh/cchips/voyagergx/irq.c b/arch/sh/cchips/voyagergx/irq.c
index 0dc1fb8f9687..036e8f900013 100644
--- a/arch/sh/cchips/voyagergx/irq.c
+++ b/arch/sh/cchips/voyagergx/irq.c
@@ -32,8 +32,7 @@
 
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
-#include <asm/rts7751r2d/voyagergx_reg.h>
+#include <asm/mach/voyagergx_reg.h>
 
 static void disable_voyagergx_irq(unsigned int irq)
 {
diff --git a/arch/sh/cchips/voyagergx/setup.c b/arch/sh/cchips/voyagergx/setup.c
index 139ca88ac9e6..3a4cfaa9a214 100644
--- a/arch/sh/cchips/voyagergx/setup.c
+++ b/arch/sh/cchips/voyagergx/setup.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <asm/io.h>
-#include <asm/rts7751r2d/voyagergx_reg.h>
+#include <asm/mach/voyagergx_reg.h>
 
 static int __init setup_voyagergx(void)
 {