Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[sfrench/cifs-2.6.git] / arch / sh / boards / renesas / r7780rp / setup.c

diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index 0fdc0bc19145d8f2f8a37bfb79b21b2db741903e..a5c5e92365011bfd7f1ba4594b0fb26f1c116540 100644 (file)
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -4,7 +4,7 @@
  * Renesas Solutions Highlander Support.
  *
  * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
- * Copyright (C) 2005 - 2007 Paul Mundt
+ * Copyright (C) 2005 - 2008 Paul Mundt
  *
  * This contains support for the R7780RP-1, R7780MP, and R7785RP
  * Highlander modules.
@@ -15,14 +15,16 @@
  */
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/pata_platform.h>
+#include <linux/ata_platform.h>
 #include <linux/types.h>
+#include <linux/i2c.h>
 #include <net/ax88796.h>
 #include <asm/machvec.h>
 #include <asm/r7780rp.h>
 #include <asm/clock.h>
 #include <asm/heartbeat.h>
 #include <asm/io.h>
+#include <asm/io_trapped.h>
 
 static struct resource r8a66597_usb_host_resources[] = {
        [0] = {
@@ -175,19 +177,70 @@ static struct platform_device ax88796_device = {
        .resource       = ax88796_resources,
 };
 
+static struct resource smbus_resources[] = {
+       [0] = {
+               .start  = PA_SMCR,
+               .end    = PA_SMCR + 0x100 - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = IRQ_SMBUS,
+               .end    = IRQ_SMBUS,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device smbus_device = {
+       .name           = "i2c-highlander",
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(smbus_resources),
+       .resource       = smbus_resources,
+};
+
+static struct i2c_board_info __initdata highlander_i2c_devices[] = {
+       {
+               I2C_BOARD_INFO("rtc-rs5c372", 0x32),
+               .type   = "r2025sd",
+       },
+};
 
 static struct platform_device *r7780rp_devices[] __initdata = {
        &r8a66597_usb_host_device,
        &m66592_usb_peripheral_device,
-       &cf_ide_device,
        &heartbeat_device,
+       &smbus_device,
+#ifndef CONFIG_SH_R7780RP
        &ax88796_device,
+#endif
+};
+
+/*
+ * The CF is connected using a 16-bit bus where 8-bit operations are
+ * unsupported. The linux ata driver is however using 8-bit operations, so
+ * insert a trapped io filter to convert 8-bit operations into 16-bit.
+ */
+static struct trapped_io cf_trapped_io = {
+       .resource               = cf_ide_resources,
+       .num_resources          = 2,
+       .minimum_bus_width      = 16,
 };
 
 static int __init r7780rp_devices_setup(void)
 {
-       return platform_add_devices(r7780rp_devices,
+       int ret = 0;
+
+#ifndef CONFIG_SH_R7780RP
+       if (register_trapped_io(&cf_trapped_io) == 0)
+               ret |= platform_device_register(&cf_ide_device);
+#endif
+
+       ret |= platform_add_devices(r7780rp_devices,
                                    ARRAY_SIZE(r7780rp_devices));
+
+       ret |= i2c_register_board_info(0, highlander_i2c_devices,
+                                      ARRAY_SIZE(highlander_i2c_devices));
+
+       return ret;
 }
 device_initcall(r7780rp_devices_setup);
 
@@ -224,34 +277,6 @@ static void r7780rp_power_off(void)
                ctrl_outw(0x0001, PA_POFF);
 }
 
-static inline unsigned char is_ide_ioaddr(unsigned long addr)
-{
-       return ((cf_ide_resources[0].start <= addr &&
-                addr <= cf_ide_resources[0].end) ||
-               (cf_ide_resources[1].start <= addr &&
-                addr <= cf_ide_resources[1].end));
-}
-
-void highlander_writeb(u8 b, void __iomem *addr)
-{
-       unsigned long tmp = (unsigned long __force)addr;
-
-       if (is_ide_ioaddr(tmp))
-               ctrl_outw((u16)b, tmp);
-       else
-               ctrl_outb(b, tmp);
-}
-
-u8 highlander_readb(void __iomem *addr)
-{
-       unsigned long tmp = (unsigned long __force)addr;
-
-       if (is_ide_ioaddr(tmp))
-               return ctrl_inw(tmp) & 0xff;
-       else
-               return ctrl_inb(tmp);
-}
-
 /*
  * Initialize the board
  */
@@ -316,9 +341,9 @@ void __init highlander_init_irq(void)
                        break;
 #endif
 #ifdef CONFIG_SH_R7780RP
-               highlander_init_irq_r7780rp();
-               ucp = irl2irq;
-               break;
+               ucp = highlander_init_irq_r7780rp();
+               if (ucp)
+                       break;
 #endif
        } while (0);
 
@@ -336,6 +361,4 @@ static struct sh_machine_vector mv_highlander __initmv = {
        .mv_setup               = highlander_setup,
        .mv_init_irq            = highlander_init_irq,
        .mv_irq_demux           = highlander_irq_demux,
-       .mv_readb               = highlander_readb,
-       .mv_writeb              = highlander_writeb,
 };