12 files changed, 50 insertions, 46 deletions
diff --git a/arch/mips/au1000/common/au1xxx_irqmap.c b/arch/mips/au1000/common/au1xxx_irqmap.c
index 98a4e34b024..37a10a01de9 100644
--- a/arch/mips/au1000/common/au1xxx_irqmap.c
+++ b/arch/mips/au1000/common/au1xxx_irqmap.c
@@ -25,27 +25,10 @@
  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
+#include <linux/kernel.h>
 
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
-#include <asm/mach-au1x00/au1000.h>
+#include <au1000.h>
 
 /* The IC0 interrupt table.  This is processor, rather than
  * board dependent, so no reason to keep this info in the board
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index edf91f41a78..428ed275a0f 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -179,7 +179,7 @@ static dbdev_tab_t dbdev_tab[] = {
 	{ 0, 0, 0, 0, 0, 0, 0 },
 };
 
-#define DBDEV_TAB_SIZE (sizeof(dbdev_tab) / sizeof(dbdev_tab_t))
+#define DBDEV_TAB_SIZE	ARRAY_SIZE(dbdev_tab)
 
 static chan_tab_t *chan_tab_ptr[NUM_DBDMA_CHANS];
 
diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index d51e18fb789..841904cdef4 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -270,6 +270,24 @@ static struct platform_device smc91x_device = {
 
 #endif
 
+/* All Alchemy demoboards with I2C have this #define in their headers */
+#ifdef SMBUS_PSC_BASE
+static struct resource pbdb_smbus_resources[] = {
+	{
+		.start	= SMBUS_PSC_BASE,
+		.end	= SMBUS_PSC_BASE + 0x24 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device pbdb_smbus_device = {
+	.name		= "au1xpsc_smbus",
+	.id		= 0,	/* bus number */
+	.num_resources	= ARRAY_SIZE(pbdb_smbus_resources),
+	.resource	= pbdb_smbus_resources,
+};
+#endif
+
 static struct platform_device *au1xxx_platform_devices[] __initdata = {
 	&au1xxx_usb_ohci_device,
 	&au1x00_pcmcia_device,
@@ -287,6 +305,9 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
 #ifdef CONFIG_MIPS_DB1200
 	&smc91x_device,
 #endif
+#ifdef SMBUS_PSC_BASE
+	&pbdb_smbus_device,
+#endif
 };
 
 int __init au1xxx_platform_init(void)
diff --git a/arch/mips/au1000/db1x00/init.c b/arch/mips/au1000/db1x00/init.c
index 43298fd9459..e822c123eab 100644
--- a/arch/mips/au1000/db1x00/init.c
+++ b/arch/mips/au1000/db1x00/init.c
@@ -57,17 +57,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg2;
 
-	/* Set the platform # */
-#if	defined(CONFIG_MIPS_DB1550)
-	mips_machtype = MACH_DB1550;
-#elif	defined(CONFIG_MIPS_DB1500)
-	mips_machtype = MACH_DB1500;
-#elif	defined(CONFIG_MIPS_DB1100)
-	mips_machtype = MACH_DB1100;
-#else
-	mips_machtype = MACH_DB1000;
-#endif
-
 	prom_init_cmdline();
 
 	memsize_str = prom_getenv("memsize");
diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/au1000/mtx-1/init.c
index cdeae3212a2..e700fd312a2 100644
--- a/arch/mips/au1000/mtx-1/init.c
+++ b/arch/mips/au1000/mtx-1/init.c
@@ -54,8 +54,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg2;
 
-	mips_machtype = MACH_MTX1;	/* set the platform # */
-
 	prom_init_cmdline();
 
 	memsize_str = prom_getenv("memsize");
diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/au1000/mtx-1/platform.c
index 49c0fb409fe..ce8637b3afa 100644
--- a/arch/mips/au1000/mtx-1/platform.c
+++ b/arch/mips/au1000/mtx-1/platform.c
@@ -22,9 +22,32 @@
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 
 #include <asm/gpio.h>
 
+static struct gpio_keys_button mtx1_gpio_button[] = {
+	{
+		.gpio = 207,
+		.code = BTN_0,
+		.desc = "System button",
+	}
+};
+
+static struct gpio_keys_platform_data mtx1_buttons_data = {
+	.buttons = mtx1_gpio_button,
+	.nbuttons = ARRAY_SIZE(mtx1_gpio_button),
+};
+
+static struct platform_device mtx1_button = {
+	.name = "gpio-keys",
+	.id = -1,
+	.dev = {
+		.platform_data = &mtx1_buttons_data,
+	}
+};
+
 static struct resource mtx1_wdt_res[] = {
 	[0] = {
 		.start	= 15,
@@ -66,11 +89,13 @@ static struct platform_device mtx1_gpio_leds = {
 
 static struct __initdata platform_device * mtx1_devs[] = {
 	&mtx1_gpio_leds,
-	&mtx1_wdt
+	&mtx1_wdt,
+	&mtx1_button
 };
 
 static int __init mtx1_register_devices(void)
 {
+	gpio_direction_input(207);
 	return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
 }
 
diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/au1000/pb1000/init.c
index ddccaf6997d..2515b9fb24a 100644
--- a/arch/mips/au1000/pb1000/init.c
+++ b/arch/mips/au1000/pb1000/init.c
@@ -52,8 +52,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg2;
 
-	mips_machtype = MACH_PB1000;
-
 	prom_init_cmdline();
 	memsize_str = prom_getenv("memsize");
 	if (!memsize_str) {
diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/au1000/pb1100/init.c
index c93fd39b4ab..490c3801c27 100644
--- a/arch/mips/au1000/pb1100/init.c
+++ b/arch/mips/au1000/pb1100/init.c
@@ -53,8 +53,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg3;
 
-	mips_machtype = MACH_PB1100;
-
 	prom_init_cmdline();
 
 	memsize_str = prom_getenv("memsize");
diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/au1000/pb1200/init.c
index c251570749e..069ed45f04f 100644
--- a/arch/mips/au1000/pb1200/init.c
+++ b/arch/mips/au1000/pb1200/init.c
@@ -53,8 +53,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg2;
 
-	mips_machtype = MACH_PB1200;
-
 	prom_init_cmdline();
 	memsize_str = prom_getenv("memsize");
 	if (!memsize_str) {
diff --git a/arch/mips/au1000/pb1500/init.c b/arch/mips/au1000/pb1500/init.c
index 507d4b20416..db558c96704 100644
--- a/arch/mips/au1000/pb1500/init.c
+++ b/arch/mips/au1000/pb1500/init.c
@@ -53,8 +53,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg2;
 
-	mips_machtype = MACH_PB1500;
-
 	prom_init_cmdline();
 	memsize_str = prom_getenv("memsize");
 	if (!memsize_str) {
diff --git a/arch/mips/au1000/pb1550/init.c b/arch/mips/au1000/pb1550/init.c
index b03eee601e3..b716363ea56 100644
--- a/arch/mips/au1000/pb1550/init.c
+++ b/arch/mips/au1000/pb1550/init.c
@@ -53,8 +53,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg2;
 
-	mips_machtype = MACH_PB1550;
-
 	prom_init_cmdline();
 	memsize_str = prom_getenv("memsize");
 	if (!memsize_str) {
diff --git a/arch/mips/au1000/xxs1500/init.c b/arch/mips/au1000/xxs1500/init.c
index 6532939f377..7e6878c1b0a 100644
--- a/arch/mips/au1000/xxs1500/init.c
+++ b/arch/mips/au1000/xxs1500/init.c
@@ -52,8 +52,6 @@ void __init prom_init(void)
 	prom_argv = (char **) fw_arg1;
 	prom_envp = (char **) fw_arg2;
 
-	mips_machtype = MACH_XXS1500;	/* set the platform # */
-
 	prom_init_cmdline();
 
 	memsize_str = prom_getenv("memsize");