Merge ../linux-2.6 by hand

27 files changed, 1224 insertions, 276 deletions

diff --git a/arch/mips/au1000/common/Makefile b/arch/mips/au1000/common/Makefile
index 594b75e5e080..a1edfd1f643c 100644
--- a/arch/mips/au1000/common/Makefile
+++ b/arch/mips/au1000/common/Makefile
@@ -8,7 +8,7 @@
 
 obj-y += prom.o int-handler.o irq.o puts.o time.o reset.o \
         au1xxx_irqmap.o clocks.o platform.o power.o setup.o \
-        sleeper.o cputable.o dma.o dbdma.o
+        sleeper.o cputable.o dma.o dbdma.o gpio.o
 
 obj-$(CONFIG_AU1X00_USB_DEVICE) += usbdev.o
 obj-$(CONFIG_KGDB)              += dbg_io.o
diff --git a/arch/mips/au1000/common/au1xxx_irqmap.c b/arch/mips/au1000/common/au1xxx_irqmap.c
index 8a0f39f67c59..0b2c03c52319 100644
--- a/arch/mips/au1000/common/au1xxx_irqmap.c
+++ b/arch/mips/au1000/common/au1xxx_irqmap.c
@@ -173,14 +173,14 @@ au1xxx_irq_map_t au1xxx_ic0_map[] = {
         { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
         { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0},
         { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_TOY_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1550_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1550_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1550_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
-        { AU1550_RTC_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1550_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1550_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1550_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
+        { AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0},
         { AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
@@ -201,14 +201,14 @@ au1xxx_irq_map_t au1xxx_ic0_map[] = {
         { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
         { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0},
         { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1200_TOY_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
-        { AU1200_RTC_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
+        { AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
+        { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0},
         { AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
diff --git a/arch/mips/au1000/common/cputable.c b/arch/mips/au1000/common/cputable.c
index f5521dfccfd6..4dbde82c8215 100644
--- a/arch/mips/au1000/common/cputable.c
+++ b/arch/mips/au1000/common/cputable.c
@@ -37,7 +37,8 @@ struct cpu_spec	cpu_specs[] = {
     { 0xffffffff, 0x02030203, "Au1100 BD", 0, 1 },
     { 0xffffffff, 0x02030204, "Au1100 BE", 0, 1 },
     { 0xffffffff, 0x03030200, "Au1550 AA", 0, 1 },
-    { 0xffffffff, 0x04030200, "Au1200 AA", 0, 1 },
+    { 0xffffffff, 0x04030200, "Au1200 AB", 0, 0 },
+    { 0xffffffff, 0x04030201, "Au1200 AC", 0, 1 },
     { 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0 },
 };
 
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index adfc3172aace..d00e8247d6c2 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -29,6 +29,7 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */
+
 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
@@ -38,10 +39,12 @@
 #include <linux/string.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 #include <asm/system.h>
 
+
 #if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
 
 /*
@@ -61,37 +64,10 @@ static DEFINE_SPINLOCK(au1xxx_dbdma_spin_lock);
 */
 #define ALIGN_ADDR(x, a)        ((((u32)(x)) + (a-1)) & ~(a-1))
 
-static volatile dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE;
-static int dbdma_initialized;
+static dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE;
+static int dbdma_initialized=0;
 static void au1xxx_dbdma_init(void);
 
-typedef struct dbdma_device_table {
-        u32             dev_id;
-        u32             dev_flags;
-        u32             dev_tsize;
-        u32             dev_devwidth;
-        u32             dev_physaddr;           /* If FIFO */
-        u32             dev_intlevel;
-        u32             dev_intpolarity;
-} dbdev_tab_t;
-
-typedef struct dbdma_chan_config {
-        u32                     chan_flags;
-        u32                     chan_index;
-        dbdev_tab_t             *chan_src;
-        dbdev_tab_t             *chan_dest;
-        au1x_dma_chan_t         *chan_ptr;
-        au1x_ddma_desc_t        *chan_desc_base;
-        au1x_ddma_desc_t        *get_ptr, *put_ptr, *cur_ptr;
-        void                    *chan_callparam;
-        void (*chan_callback)(int, void *, struct pt_regs *);
-} chan_tab_t;
-
-#define DEV_FLAGS_INUSE         (1 << 0)
-#define DEV_FLAGS_ANYUSE        (1 << 1)
-#define DEV_FLAGS_OUT           (1 << 2)
-#define DEV_FLAGS_IN            (1 << 3)
-
 static dbdev_tab_t dbdev_tab[] = {
 #ifdef CONFIG_SOC_AU1550
         /* UARTS */
@@ -157,25 +133,25 @@ static dbdev_tab_t dbdev_tab[] = {
         { DSCR_CMD0_MAE_BOTH, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
         { DSCR_CMD0_LCD, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 
-        { DSCR_CMD0_SDMS_TX0, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
-        { DSCR_CMD0_SDMS_RX0, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
-        { DSCR_CMD0_SDMS_TX1, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
-        { DSCR_CMD0_SDMS_RX1, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
+        { DSCR_CMD0_SDMS_TX0, DEV_FLAGS_OUT, 4, 8, 0x10600000, 0, 0 },
+        { DSCR_CMD0_SDMS_RX0, DEV_FLAGS_IN, 4, 8, 0x10600004, 0, 0 },
+        { DSCR_CMD0_SDMS_TX1, DEV_FLAGS_OUT, 4, 8, 0x10680000, 0, 0 },
+        { DSCR_CMD0_SDMS_RX1, DEV_FLAGS_IN, 4, 8, 0x10680004, 0, 0 },
 
-        { DSCR_CMD0_AES_TX, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
-        { DSCR_CMD0_AES_RX, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
+        { DSCR_CMD0_AES_RX, DEV_FLAGS_IN , 4, 32, 0x10300008, 0, 0 },
+        { DSCR_CMD0_AES_TX, DEV_FLAGS_OUT, 4, 32, 0x10300004, 0, 0 },
 
-        { DSCR_CMD0_PSC0_TX, DEV_FLAGS_OUT, 0, 0, 0x11a0001c, 0, 0 },
-        { DSCR_CMD0_PSC0_RX, DEV_FLAGS_IN, 0, 0, 0x11a0001c, 0, 0 },
+        { DSCR_CMD0_PSC0_TX, DEV_FLAGS_OUT, 0, 16, 0x11a0001c, 0, 0 },
+        { DSCR_CMD0_PSC0_RX, DEV_FLAGS_IN, 0, 16, 0x11a0001c, 0, 0 },
         { DSCR_CMD0_PSC0_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 
-        { DSCR_CMD0_PSC1_TX, DEV_FLAGS_OUT, 0, 0, 0x11b0001c, 0, 0 },
-        { DSCR_CMD0_PSC1_RX, DEV_FLAGS_IN, 0, 0, 0x11b0001c, 0, 0 },
+        { DSCR_CMD0_PSC1_TX, DEV_FLAGS_OUT, 0, 16, 0x11b0001c, 0, 0 },
+        { DSCR_CMD0_PSC1_RX, DEV_FLAGS_IN, 0, 16, 0x11b0001c, 0, 0 },
         { DSCR_CMD0_PSC1_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 
-        { DSCR_CMD0_CIM_RXA, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
-        { DSCR_CMD0_CIM_RXB, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
-        { DSCR_CMD0_CIM_RXC, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
+        { DSCR_CMD0_CIM_RXA, DEV_FLAGS_IN, 0, 32, 0x14004020, 0, 0 },
+        { DSCR_CMD0_CIM_RXB, DEV_FLAGS_IN, 0, 32, 0x14004040, 0, 0 },
+        { DSCR_CMD0_CIM_RXC, DEV_FLAGS_IN, 0, 32, 0x14004060, 0, 0 },
         { DSCR_CMD0_CIM_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 
         { DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
@@ -184,6 +160,24 @@ static dbdev_tab_t dbdev_tab[] = {
 
         { DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
         { DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+
+        /* Provide 16 user definable device types */
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
+        { 0, 0, 0, 0, 0, 0, 0 },
 };
 
 #define DBDEV_TAB_SIZE (sizeof(dbdev_tab) / sizeof(dbdev_tab_t))
@@ -203,6 +197,36 @@ find_dbdev_id (u32 id)
         return NULL;
 }
 
+void * au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp)
+{
+        return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
+}
+EXPORT_SYMBOL(au1xxx_ddma_get_nextptr_virt);
+
+u32
+au1xxx_ddma_add_device(dbdev_tab_t *dev)
+{
+        u32 ret = 0;
+        dbdev_tab_t *p=NULL;
+        static u16 new_id=0x1000;
+
+        p = find_dbdev_id(0);
+        if ( NULL != p )
+        {
+                memcpy(p, dev, sizeof(dbdev_tab_t));
+                p->dev_id = DSCR_DEV2CUSTOM_ID(new_id,dev->dev_id);
+                ret = p->dev_id;
+                new_id++;
+#if 0
+                printk("add_device: id:%x flags:%x padd:%x\n",
+                                p->dev_id, p->dev_flags, p->dev_physaddr );
+#endif
+        }
+
+        return ret;
+}
+EXPORT_SYMBOL(au1xxx_ddma_add_device);
+
 /* Allocate a channel and return a non-zero descriptor if successful.
 */
 u32
@@ -215,7 +239,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
         int             i;
         dbdev_tab_t     *stp, *dtp;
         chan_tab_t      *ctp;
-        volatile au1x_dma_chan_t *cp;
+        au1x_dma_chan_t *cp;
 
         /* We do the intialization on the first channel allocation.
          * We have to wait because of the interrupt handler initialization
@@ -225,9 +249,6 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                 au1xxx_dbdma_init();
         dbdma_initialized = 1;
 
-        if ((srcid > DSCR_NDEV_IDS) || (destid > DSCR_NDEV_IDS))
-                return 0;
-
         if ((stp = find_dbdev_id(srcid)) == NULL) return 0;
         if ((dtp = find_dbdev_id(destid)) == NULL) return 0;
 
@@ -271,7 +292,6 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                                  */
                                 ctp = kmalloc(sizeof(chan_tab_t), GFP_KERNEL);
                                 chan_tab_ptr[i] = ctp;
-                                ctp->chan_index = chan = i;
                                 break;
                         }
                 }
@@ -279,10 +299,11 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
 
                 if (ctp != NULL) {
                         memset(ctp, 0, sizeof(chan_tab_t));
+                        ctp->chan_index = chan = i;
                         dcp = DDMA_CHANNEL_BASE;
                         dcp += (0x0100 * chan);
                         ctp->chan_ptr = (au1x_dma_chan_t *)dcp;
-                        cp = (volatile au1x_dma_chan_t *)dcp;
+                        cp = (au1x_dma_chan_t *)dcp;
                         ctp->chan_src = stp;
                         ctp->chan_dest = dtp;
                         ctp->chan_callback = callback;
@@ -299,6 +320,9 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                                 i |= DDMA_CFG_DED;
                         if (dtp->dev_intpolarity)
                                 i |= DDMA_CFG_DP;
+                        if ((stp->dev_flags & DEV_FLAGS_SYNC) ||
+                                (dtp->dev_flags & DEV_FLAGS_SYNC))
+                                        i |= DDMA_CFG_SYNC;
                         cp->ddma_cfg = i;
                         au_sync();
 
@@ -309,14 +333,14 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                         rv = (u32)(&chan_tab_ptr[chan]);
                 }
                 else {
-                        /* Release devices.
-                        */
+                        /* Release devices */
                         stp->dev_flags &= ~DEV_FLAGS_INUSE;
                         dtp->dev_flags &= ~DEV_FLAGS_INUSE;
                 }
         }
         return rv;
 }
+EXPORT_SYMBOL(au1xxx_dbdma_chan_alloc);
 
 /* Set the device width if source or destination is a FIFO.
  * Should be 8, 16, or 32 bits.
@@ -344,6 +368,7 @@ au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
 
         return rv;
 }
+EXPORT_SYMBOL(au1xxx_dbdma_set_devwidth);
 
 /* Allocate a descriptor ring, initializing as much as possible.
 */
@@ -370,7 +395,8 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
          * and if we try that first we are likely to not waste larger
          * slabs of memory.
          */
-        desc_base = (u32)kmalloc(entries * sizeof(au1x_ddma_desc_t), GFP_KERNEL);
+        desc_base = (u32)kmalloc(entries * sizeof(au1x_ddma_desc_t),
+                        GFP_KERNEL|GFP_DMA);
         if (desc_base == 0)
                 return 0;
 
@@ -381,7 +407,7 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
                 kfree((const void *)desc_base);
                 i = entries * sizeof(au1x_ddma_desc_t);
                 i += (sizeof(au1x_ddma_desc_t) - 1);
-                if ((desc_base = (u32)kmalloc(i, GFP_KERNEL)) == 0)
+                if ((desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA)) == 0)
                         return 0;
 
                 desc_base = ALIGN_ADDR(desc_base, sizeof(au1x_ddma_desc_t));
@@ -403,7 +429,13 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
         cmd0 |= DSCR_CMD0_SID(srcid);
         cmd0 |= DSCR_CMD0_DID(destid);
         cmd0 |= DSCR_CMD0_IE | DSCR_CMD0_CV;
-        cmd0 |= DSCR_CMD0_ST(DSCR_CMD0_ST_CURRENT);
+        cmd0 |= DSCR_CMD0_ST(DSCR_CMD0_ST_NOCHANGE);
+
+        /* is it mem to mem transfer? */
+        if(((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) &&
+           ((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS))) {
+               cmd0 |= DSCR_CMD0_MEM;
+        }
 
         switch (stp->dev_devwidth) {
         case 8:
@@ -461,9 +493,14 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
         /* If source input is fifo, set static address.
         */
         if (stp->dev_flags & DEV_FLAGS_IN) {
-                src0 = stp->dev_physaddr;
+                if ( stp->dev_flags & DEV_FLAGS_BURSTABLE )
+                        src1 |= DSCR_SRC1_SAM(DSCR_xAM_BURST);
+                else
                 src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC);
+
         }
+        if (stp->dev_physaddr)
+                src0 = stp->dev_physaddr;
 
         /* Set up dest1.  For now, assume no stride and increment.
          * A channel attribute update can change this later.
@@ -487,10 +524,18 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
         /* If destination output is fifo, set static address.
         */
         if (dtp->dev_flags & DEV_FLAGS_OUT) {
-                dest0 = dtp->dev_physaddr;
+                if ( dtp->dev_flags & DEV_FLAGS_BURSTABLE )
+                        dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST);
+                                else
                 dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC);
         }
+        if (dtp->dev_physaddr)
+                dest0 = dtp->dev_physaddr;
 
+#if 0
+                printk("did:%x sid:%x cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
+                        dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, src1, dest0, dest1 );
+#endif
         for (i=0; i<entries; i++) {
                 dp->dscr_cmd0 = cmd0;
                 dp->dscr_cmd1 = cmd1;
@@ -499,6 +544,8 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
                 dp->dscr_dest0 = dest0;
                 dp->dscr_dest1 = dest1;
                 dp->dscr_stat = 0;
+                dp->sw_context = 0;
+                dp->sw_status = 0;
                 dp->dscr_nxtptr = DSCR_NXTPTR(virt_to_phys(dp + 1));
                 dp++;
         }
@@ -511,13 +558,14 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
 
         return (u32)(ctp->chan_desc_base);
 }
+EXPORT_SYMBOL(au1xxx_dbdma_ring_alloc);
 
 /* Put a source buffer into the DMA ring.
  * This updates the source pointer and byte count.  Normally used
  * for memory to fifo transfers.
  */
 u32
-au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes)
+_au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
 {
         chan_tab_t              *ctp;
         au1x_ddma_desc_t        *dp;
@@ -544,8 +592,24 @@ au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes)
         */
         dp->dscr_source0 = virt_to_phys(buf);
         dp->dscr_cmd1 = nbytes;
-        dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
-        ctp->chan_ptr->ddma_dbell = 0xffffffff; /* Make it go */
+        /* Check flags  */
+        if (flags & DDMA_FLAGS_IE)
+                dp->dscr_cmd0 |= DSCR_CMD0_IE;
+        if (flags & DDMA_FLAGS_NOIE)
+                dp->dscr_cmd0 &= ~DSCR_CMD0_IE;
+
+        /*
+         * There is an errata on the Au1200/Au1550 parts that could result
+         * in "stale" data being DMA'd. It has to do with the snoop logic on
+         * the dache eviction buffer.  NONCOHERENT_IO is on by default for
+         * these parts. If it is fixedin the future, these dma_cache_inv will
+         * just be nothing more than empty macros. See io.h.
+         * */
+        dma_cache_wback_inv((unsigned long)buf, nbytes);
+        dp->dscr_cmd0 |= DSCR_CMD0_V;        /* Let it rip */
+        au_sync();
+        dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
+        ctp->chan_ptr->ddma_dbell = 0;
 
         /* Get next descriptor pointer.
         */
@@ -555,13 +619,14 @@ au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes)
         */
         return nbytes;
 }
+EXPORT_SYMBOL(_au1xxx_dbdma_put_source);
 
 /* Put a destination buffer into the DMA ring.
  * This updates the destination pointer and byte count.  Normally used
  * to place an empty buffer into the ring for fifo to memory transfers.
  */
 u32
-au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes)
+_au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags)
 {
         chan_tab_t              *ctp;
         au1x_ddma_desc_t        *dp;
@@ -583,11 +648,33 @@ au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes)
         if (dp->dscr_cmd0 & DSCR_CMD0_V)
                 return 0;
 
-        /* Load up buffer address and byte count.
-        */
+        /* Load up buffer address and byte count */
+
+        /* Check flags  */
+        if (flags & DDMA_FLAGS_IE)
+                dp->dscr_cmd0 |= DSCR_CMD0_IE;
+        if (flags & DDMA_FLAGS_NOIE)
+                dp->dscr_cmd0 &= ~DSCR_CMD0_IE;
+
         dp->dscr_dest0 = virt_to_phys(buf);
         dp->dscr_cmd1 = nbytes;
+#if 0
+        printk("cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
+                        dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0,
+                        dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1 );
+#endif
+        /*
+         * There is an errata on the Au1200/Au1550 parts that could result in
+         * "stale" data being DMA'd. It has to do with the snoop logic on the
+         * dache eviction buffer. NONCOHERENT_IO is on by default for these
+         * parts. If it is fixedin the future, these dma_cache_inv will just
+         * be nothing more than empty macros. See io.h.
+         * */
+        dma_cache_inv((unsigned long)buf,nbytes);
         dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
+        au_sync();
+        dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
+        ctp->chan_ptr->ddma_dbell = 0;
 
         /* Get next descriptor pointer.
         */
@@ -597,6 +684,7 @@ au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes)
         */
         return nbytes;
 }
+EXPORT_SYMBOL(_au1xxx_dbdma_put_dest);
 
 /* Get a destination buffer into the DMA ring.
  * Normally used to get a full buffer from the ring during fifo
@@ -646,7 +734,7 @@ void
 au1xxx_dbdma_stop(u32 chanid)
 {
         chan_tab_t      *ctp;
-        volatile au1x_dma_chan_t *cp;
+        au1x_dma_chan_t *cp;
         int halt_timeout = 0;
 
         ctp = *((chan_tab_t **)chanid);
@@ -666,6 +754,7 @@ au1xxx_dbdma_stop(u32 chanid)
         cp->ddma_stat |= (DDMA_STAT_DB | DDMA_STAT_V);
         au_sync();
 }
+EXPORT_SYMBOL(au1xxx_dbdma_stop);
 
 /* Start using the current descriptor pointer.  If the dbdma encounters
  * a not valid descriptor, it will stop.  In this case, we can just
@@ -675,17 +764,17 @@ void
 au1xxx_dbdma_start(u32 chanid)
 {
         chan_tab_t      *ctp;
-        volatile au1x_dma_chan_t *cp;
+        au1x_dma_chan_t *cp;
 
         ctp = *((chan_tab_t **)chanid);
-
         cp = ctp->chan_ptr;
         cp->ddma_desptr = virt_to_phys(ctp->cur_ptr);
         cp->ddma_cfg |= DDMA_CFG_EN;    /* Enable channel */
         au_sync();
-        cp->ddma_dbell = 0xffffffff;    /* Make it go */
+        cp->ddma_dbell = 0;
         au_sync();
 }
+EXPORT_SYMBOL(au1xxx_dbdma_start);
 
 void
 au1xxx_dbdma_reset(u32 chanid)
@@ -704,15 +793,21 @@ au1xxx_dbdma_reset(u32 chanid)
 
         do {
                 dp->dscr_cmd0 &= ~DSCR_CMD0_V;
+                /* reset our SW status -- this is used to determine
+                 * if a descriptor is in use by upper level SW. Since
+                 * posting can reset 'V' bit.
+                 */
+                dp->sw_status = 0;
                 dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
         } while (dp != ctp->chan_desc_base);
 }
+EXPORT_SYMBOL(au1xxx_dbdma_reset);
 
 u32
 au1xxx_get_dma_residue(u32 chanid)
 {
         chan_tab_t      *ctp;
-        volatile au1x_dma_chan_t *cp;
+        au1x_dma_chan_t *cp;
         u32             rv;
 
         ctp = *((chan_tab_t **)chanid);
@@ -738,8 +833,7 @@ au1xxx_dbdma_chan_free(u32 chanid)
 
         au1xxx_dbdma_stop(chanid);
 
-        if (ctp->chan_desc_base != NULL)
-                kfree(ctp->chan_desc_base);
+        kfree((void *)ctp->chan_desc_base);
 
         stp->dev_flags &= ~DEV_FLAGS_INUSE;
         dtp->dev_flags &= ~DEV_FLAGS_INUSE;
@@ -747,15 +841,16 @@ au1xxx_dbdma_chan_free(u32 chanid)
 
         kfree(ctp);
 }
+EXPORT_SYMBOL(au1xxx_dbdma_chan_free);
 
 static irqreturn_t
 dbdma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-        u32     intstat;
-        u32     chan_index;
+        u32 intstat;
+        u32 chan_index;
         chan_tab_t              *ctp;
         au1x_ddma_desc_t        *dp;
-        volatile au1x_dma_chan_t *cp;
+        au1x_dma_chan_t *cp;
 
         intstat = dbdma_gptr->ddma_intstat;
         au_sync();
@@ -774,19 +869,27 @@ dbdma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                 (ctp->chan_callback)(irq, ctp->chan_callparam, regs);
 
         ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
-
-        return IRQ_HANDLED;
+        return IRQ_RETVAL(1);
 }
 
-static void
-au1xxx_dbdma_init(void)
+static void au1xxx_dbdma_init(void)
 {
+        int irq_nr;
+
         dbdma_gptr->ddma_config = 0;
         dbdma_gptr->ddma_throttle = 0;
         dbdma_gptr->ddma_inten = 0xffff;
         au_sync();
 
-        if (request_irq(AU1550_DDMA_INT, dbdma_interrupt, SA_INTERRUPT,
+#if defined(CONFIG_SOC_AU1550)
+        irq_nr = AU1550_DDMA_INT;
+#elif defined(CONFIG_SOC_AU1200)
+        irq_nr = AU1200_DDMA_INT;
+#else
+        #error Unknown Au1x00 SOC
+#endif
+
+        if (request_irq(irq_nr, dbdma_interrupt, SA_INTERRUPT,
                         "Au1xxx dbdma", (void *)dbdma_gptr))
                 printk("Can't get 1550 dbdma irq");
 }
@@ -797,7 +900,8 @@ au1xxx_dbdma_dump(u32 chanid)
         chan_tab_t              *ctp;
         au1x_ddma_desc_t        *dp;
         dbdev_tab_t             *stp, *dtp;
-        volatile au1x_dma_chan_t *cp;
+        au1x_dma_chan_t *cp;
+                u32                     i = 0;
 
         ctp = *((chan_tab_t **)chanid);
         stp = ctp->chan_src;
@@ -822,15 +926,64 @@ au1xxx_dbdma_dump(u32 chanid)
         dp = ctp->chan_desc_base;
 
         do {
-                printk("dp %08x, cmd0 %08x, cmd1 %08x\n",
-                        (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1);
-                printk("src0 %08x, src1 %08x, dest0 %08x\n",
-                        dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0);
-                printk("dest1 %08x, stat %08x, nxtptr %08x\n",
-                        dp->dscr_dest1, dp->dscr_stat, dp->dscr_nxtptr);
+                printk("Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n",
+                        i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1);
+                printk("src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n",
+                        dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1);
+                printk("stat %08x, nxtptr %08x\n",
+                        dp->dscr_stat, dp->dscr_nxtptr);
                 dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
         } while (dp != ctp->chan_desc_base);
 }
 
+/* Put a descriptor into the DMA ring.
+ * This updates the source/destination pointers and byte count.
+ */
+u32
+au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr )
+{
+        chan_tab_t *ctp;
+        au1x_ddma_desc_t *dp;
+        u32 nbytes=0;
+
+        /* I guess we could check this to be within the
+        * range of the table......
+        */
+        ctp = *((chan_tab_t **)chanid);
+
+        /* We should have multiple callers for a particular channel,
+        * an interrupt doesn't affect this pointer nor the descriptor,
+        * so no locking should be needed.
+        */
+        dp = ctp->put_ptr;
+
+        /* If the descriptor is valid, we are way ahead of the DMA
+        * engine, so just return an error condition.
+        */
+        if (dp->dscr_cmd0 & DSCR_CMD0_V)
+                return 0;
+
+        /* Load up buffer addresses and byte count.
+        */
+        dp->dscr_dest0 = dscr->dscr_dest0;
+        dp->dscr_source0 = dscr->dscr_source0;
+        dp->dscr_dest1 = dscr->dscr_dest1;
+        dp->dscr_source1 = dscr->dscr_source1;
+        dp->dscr_cmd1 = dscr->dscr_cmd1;
+        nbytes = dscr->dscr_cmd1;
+        /* Allow the caller to specifiy if an interrupt is generated */
+        dp->dscr_cmd0 &= ~DSCR_CMD0_IE;
+        dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V;
+        ctp->chan_ptr->ddma_dbell = 0;
+
+        /* Get next descriptor pointer.
+        */
+        ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
+
+        /* return something not zero.
+        */
+        return nbytes;
+}
+
 #endif /* defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200) */
 
diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/au1000/common/dma.c
index 372c33f1353d..1905c6b104f2 100644
--- a/arch/mips/au1000/common/dma.c
+++ b/arch/mips/au1000/common/dma.c
@@ -39,7 +39,6 @@
 #include <linux/string.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
-#include <linux/module.h>
 #include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1000_dma.h>
diff --git a/arch/mips/au1000/common/gpio.c b/arch/mips/au1000/common/gpio.c
new file mode 100644
index 000000000000..5f5915b83142
--- /dev/null
+++ b/arch/mips/au1000/common/gpio.c
@@ -0,0 +1,119 @@
+/*
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/config.h>
+#include <linux/module.h>
+#include <au1000.h>
+#include <au1xxx_gpio.h>
+
+#define gpio1 sys
+#if !defined(CONFIG_SOC_AU1000)
+static AU1X00_GPIO2 * const gpio2 = (AU1X00_GPIO2 *)GPIO2_BASE;
+
+#define GPIO2_OUTPUT_ENABLE_MASK 0x00010000
+
+int au1xxx_gpio2_read(int signal)
+{
+        signal -= 200;
+/*      gpio2->dir &= ~(0x01 << signal);                                                //Set GPIO to input */
+        return ((gpio2->pinstate >> signal) & 0x01);
+}
+
+void au1xxx_gpio2_write(int signal, int value)
+{
+        signal -= 200;
+
+        gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << signal) |
+                (value << signal);
+}
+
+void au1xxx_gpio2_tristate(int signal)
+{
+        signal -= 200;
+        gpio2->dir &= ~(0x01 << signal);        /* Set GPIO to input */
+}
+#endif
+
+int au1xxx_gpio1_read(int signal)
+{
+/*      gpio1->trioutclr |= (0x01 << signal); */
+        return ((gpio1->pinstaterd >> signal) & 0x01);
+}
+
+void au1xxx_gpio1_write(int signal, int value)
+{
+        if(value)
+                gpio1->outputset = (0x01 << signal);
+        else
+                gpio1->outputclr = (0x01 << signal);    /* Output a Zero */
+}
+
+void au1xxx_gpio1_tristate(int signal)
+{
+        gpio1->trioutclr = (0x01 << signal);            /* Tristate signal */
+}
+
+
+int au1xxx_gpio_read(int signal)
+{
+        if(signal >= 200)
+#if defined(CONFIG_SOC_AU1000)
+                return 0;
+#else
+                return au1xxx_gpio2_read(signal);
+#endif
+        else
+                return au1xxx_gpio1_read(signal);
+}
+
+void au1xxx_gpio_write(int signal, int value)
+{
+        if(signal >= 200)
+#if defined(CONFIG_SOC_AU1000)
+                ;
+#else
+                au1xxx_gpio2_write(signal, value);
+#endif
+        else
+                au1xxx_gpio1_write(signal, value);
+}
+
+void au1xxx_gpio_tristate(int signal)
+{
+        if(signal >= 200)
+#if defined(CONFIG_SOC_AU1000)
+                ;
+#else
+                au1xxx_gpio2_tristate(signal);
+#endif
+        else
+                au1xxx_gpio1_tristate(signal);
+}
+
+void au1xxx_gpio1_set_inputs(void)
+{
+        gpio1->pininputen = 0;
+}
+
+EXPORT_SYMBOL(au1xxx_gpio1_set_inputs);
+EXPORT_SYMBOL(au1xxx_gpio_tristate);
+EXPORT_SYMBOL(au1xxx_gpio_write);
+EXPORT_SYMBOL(au1xxx_gpio_read);
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index d1eb5a4a9a19..1339a0979f66 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -83,7 +83,7 @@ inline void local_disable_irq(unsigned int irq_nr);
 void    (*board_init_irq)(void);
 
 #ifdef CONFIG_PM
-extern void counter0_irq(int irq, void *dev_id, struct pt_regs *regs);
+extern irqreturn_t counter0_irq(int irq, void *dev_id, struct pt_regs *regs);
 #endif
 
 static DEFINE_SPINLOCK(irq_lock);
@@ -253,52 +253,72 @@ void restore_local_and_enable(int controller, unsigned long mask)
 
 
 static struct hw_interrupt_type rise_edge_irq_type = {
-        "Au1000 Rise Edge",
-        startup_irq,
-        shutdown_irq,
-        local_enable_irq,
-        local_disable_irq,
-        mask_and_ack_rise_edge_irq,
-        end_irq,
-        NULL
+        .typename = "Au1000 Rise Edge",
+        .startup = startup_irq,
+        .shutdown = shutdown_irq,
+        .enable = local_enable_irq,
+        .disable = local_disable_irq,
+        .ack = mask_and_ack_rise_edge_irq,
+        .end = end_irq,
 };
 
 static struct hw_interrupt_type fall_edge_irq_type = {
-        "Au1000 Fall Edge",
-        startup_irq,
-        shutdown_irq,
-        local_enable_irq,
-        local_disable_irq,
-        mask_and_ack_fall_edge_irq,
-        end_irq,
-        NULL
+        .typename = "Au1000 Fall Edge",
+        .startup = startup_irq,
+        .shutdown = shutdown_irq,
+        .enable = local_enable_irq,
+        .disable = local_disable_irq,
+        .ack = mask_and_ack_fall_edge_irq,
+        .end = end_irq,
 };
 
 static struct hw_interrupt_type either_edge_irq_type = {
-        "Au1000 Rise or Fall Edge",
-        startup_irq,
-        shutdown_irq,
-        local_enable_irq,
-        local_disable_irq,
-        mask_and_ack_either_edge_irq,
-        end_irq,
-        NULL
+        .typename = "Au1000 Rise or Fall Edge",
+        .startup = startup_irq,
+        .shutdown = shutdown_irq,
+        .enable = local_enable_irq,
+        .disable = local_disable_irq,
+        .ack = mask_and_ack_either_edge_irq,
+        .end = end_irq,
 };
 
 static struct hw_interrupt_type level_irq_type = {
-        "Au1000 Level",
-        startup_irq,
-        shutdown_irq,
-        local_enable_irq,
-        local_disable_irq,
-        mask_and_ack_level_irq,
-        end_irq,
-        NULL
+        .typename = "Au1000 Level",
+        .startup = startup_irq,
+        .shutdown = shutdown_irq,
+        .enable = local_enable_irq,
+        .disable = local_disable_irq,
+        .ack = mask_and_ack_level_irq,
+        .end = end_irq,
 };
 
 #ifdef CONFIG_PM
-void startup_match20_interrupt(void)
+void startup_match20_interrupt(irqreturn_t (*handler)(int, void *, struct pt_regs *))
 {
+        struct irq_desc *desc = &irq_desc[AU1000_TOY_MATCH2_INT];
+
+        static struct irqaction action;
+        memset(&action, 0, sizeof(struct irqaction));
+
+        /* This is a big problem.... since we didn't use request_irq
+         * when kernel/irq.c calls probe_irq_xxx this interrupt will
+         * be probed for usage. This will end up disabling the device :(
+         * Give it a bogus "action" pointer -- this will keep it from
+         * getting auto-probed!
+         *
+         * By setting the status to match that of request_irq() we
+         * can avoid it.  --cgray
+        */
+        action.dev_id = handler;
+        action.flags = SA_INTERRUPT;
+        cpus_clear(action.mask);
+        action.name = "Au1xxx TOY";
+        action.handler = handler;
+        action.next = NULL;
+
+        desc->action = &action;
+        desc->status &= ~(IRQ_DISABLED | IRQ_AUTODETECT | IRQ_WAITING | IRQ_INPROGRESS);
+
         local_enable_irq(AU1000_TOY_MATCH2_INT);
 }
 #endif
@@ -426,7 +446,6 @@ void __init arch_init_irq(void)
         extern int au1xxx_ic0_nr_irqs;
 
         cp0_status = read_c0_status();
-        memset(irq_desc, 0, sizeof(irq_desc));
         set_except_vector(0, au1000_IRQ);
 
         /* Initialize interrupt controllers to a safe state.
@@ -492,7 +511,7 @@ void intc0_req0_irqdispatch(struct pt_regs *regs)
         intc0_req0 |= au_readl(IC0_REQ0INT);
 
         if (!intc0_req0) return;
-
+#ifdef AU1000_USB_DEV_REQ_INT
         /*
          * Because of the tight timing of SETUP token to reply
          * transactions, the USB devices-side packet complete
@@ -503,7 +522,7 @@ void intc0_req0_irqdispatch(struct pt_regs *regs)
                 do_IRQ(AU1000_USB_DEV_REQ_INT, regs);
                 return;
         }
-
+#endif
         irq = au_ffs(intc0_req0) - 1;
         intc0_req0 &= ~(1<<irq);
         do_IRQ(irq, regs);
@@ -521,17 +540,7 @@ void intc0_req1_irqdispatch(struct pt_regs *regs)
 
         irq = au_ffs(intc0_req1) - 1;
         intc0_req1 &= ~(1<<irq);
-#ifdef CONFIG_PM
-        if (irq == AU1000_TOY_MATCH2_INT) {
-                mask_and_ack_rise_edge_irq(irq);
-                counter0_irq(irq, NULL, regs);
-                local_enable_irq(irq);
-        }
-        else
-#endif
-        {
-                do_IRQ(irq, regs);
-        }
+        do_IRQ(irq, regs);
 }
 
 
diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index 0776b2db5641..1f7b465c8038 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -7,13 +7,15 @@
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
+#include <linux/config.h>
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/resource.h>
 
-#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1xxx.h>
 
+/* OHCI (USB full speed host controller) */
 static struct resource au1xxx_usb_ohci_resources[] = {
         [0] = {
                 .start          = USB_OHCI_BASE,
@@ -41,8 +43,252 @@ static struct platform_device au1xxx_usb_ohci_device = {
         .resource       = au1xxx_usb_ohci_resources,
 };
 
+/*** AU1100 LCD controller ***/
+
+#ifdef CONFIG_FB_AU1100
+static struct resource au1100_lcd_resources[] = {
+        [0] = {
+                .start          = LCD_PHYS_ADDR,
+                .end            = LCD_PHYS_ADDR + 0x800 - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = AU1100_LCD_INT,
+                .end            = AU1100_LCD_INT,
+                .flags          = IORESOURCE_IRQ,
+        }
+};
+
+static u64 au1100_lcd_dmamask = ~(u32)0;
+
+static struct platform_device au1100_lcd_device = {
+        .name           = "au1100-lcd",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = &au1100_lcd_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
+        .resource       = au1100_lcd_resources,
+};
+#endif
+
+#ifdef CONFIG_SOC_AU1200
+/* EHCI (USB high speed host controller) */
+static struct resource au1xxx_usb_ehci_resources[] = {
+        [0] = {
+                .start          = USB_EHCI_BASE,
+                .end            = USB_EHCI_BASE + USB_EHCI_LEN - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = AU1000_USB_HOST_INT,
+                .end            = AU1000_USB_HOST_INT,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static u64 ehci_dmamask = ~(u32)0;
+
+static struct platform_device au1xxx_usb_ehci_device = {
+        .name           = "au1xxx-ehci",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = &ehci_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(au1xxx_usb_ehci_resources),
+        .resource       = au1xxx_usb_ehci_resources,
+};
+
+/* Au1200 UDC (USB gadget controller) */
+static struct resource au1xxx_usb_gdt_resources[] = {
+        [0] = {
+                .start          = USB_UDC_BASE,
+                .end            = USB_UDC_BASE + USB_UDC_LEN - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = AU1200_USB_INT,
+                .end            = AU1200_USB_INT,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource au1xxx_mmc_resources[] = {
+        [0] = {
+                .start          = SD0_PHYS_ADDR,
+                .end            = SD0_PHYS_ADDR + 0x40,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = SD1_PHYS_ADDR,
+                .end            = SD1_PHYS_ADDR + 0x40,
+                .flags          = IORESOURCE_MEM,
+        },
+        [2] = {
+                .start          = AU1200_SD_INT,
+                .end            = AU1200_SD_INT,
+                .flags          = IORESOURCE_IRQ,
+        }
+};
+
+static u64 udc_dmamask = ~(u32)0;
+
+static struct platform_device au1xxx_usb_gdt_device = {
+        .name           = "au1xxx-udc",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = &udc_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(au1xxx_usb_gdt_resources),
+        .resource       = au1xxx_usb_gdt_resources,
+};
+
+/* Au1200 UOC (USB OTG controller) */
+static struct resource au1xxx_usb_otg_resources[] = {
+        [0] = {
+                .start          = USB_UOC_BASE,
+                .end            = USB_UOC_BASE + USB_UOC_LEN - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = AU1200_USB_INT,
+                .end            = AU1200_USB_INT,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static u64 uoc_dmamask = ~(u32)0;
+
+static struct platform_device au1xxx_usb_otg_device = {
+        .name           = "au1xxx-uoc",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = &uoc_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(au1xxx_usb_otg_resources),
+        .resource       = au1xxx_usb_otg_resources,
+};
+
+static struct resource au1200_lcd_resources[] = {
+        [0] = {
+                .start          = LCD_PHYS_ADDR,
+                .end            = LCD_PHYS_ADDR + 0x800 - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = AU1200_LCD_INT,
+                .end            = AU1200_LCD_INT,
+                .flags          = IORESOURCE_IRQ,
+        }
+};
+
+static struct resource au1200_ide0_resources[] = {
+        [0] = {
+                .start          = AU1XXX_ATA_PHYS_ADDR,
+                .end            = AU1XXX_ATA_PHYS_ADDR + AU1XXX_ATA_PHYS_LEN,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = AU1XXX_ATA_INT,
+                .end            = AU1XXX_ATA_INT,
+                .flags          = IORESOURCE_IRQ,
+        }
+};
+
+static u64 au1200_lcd_dmamask = ~(u32)0;
+
+static struct platform_device au1200_lcd_device = {
+        .name           = "au1200-lcd",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = &au1200_lcd_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(au1200_lcd_resources),
+        .resource       = au1200_lcd_resources,
+};
+
+
+static u64 ide0_dmamask = ~(u32)0;
+
+static struct platform_device au1200_ide0_device = {
+        .name           = "au1200-ide",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = &ide0_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources = ARRAY_SIZE(au1200_ide0_resources),
+        .resource       = au1200_ide0_resources,
+};
+
+static u64 au1xxx_mmc_dmamask =  ~(u32)0;
+
+static struct platform_device au1xxx_mmc_device = {
+        .name = "au1xxx-mmc",
+        .id = 0,
+        .dev = {
+                .dma_mask               = &au1xxx_mmc_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(au1xxx_mmc_resources),
+        .resource       = au1xxx_mmc_resources,
+};
+#endif /* #ifdef CONFIG_SOC_AU1200 */
+
+static struct platform_device au1x00_pcmcia_device = {
+        .name           = "au1x00-pcmcia",
+        .id             = 0,
+};
+
+#ifdef CONFIG_MIPS_DB1200
+
+static struct resource smc91x_resources[] = {
+        [0] = {
+                .name   = "smc91x-regs",
+                .start  = AU1XXX_SMC91111_PHYS_ADDR,
+                .end    = AU1XXX_SMC91111_PHYS_ADDR + 0xfffff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AU1XXX_SMC91111_IRQ,
+                .end    = AU1XXX_SMC91111_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device smc91x_device = {
+        .name           = "smc91x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(smc91x_resources),
+        .resource       = smc91x_resources,
+};
+
+#endif
+
 static struct platform_device *au1xxx_platform_devices[] __initdata = {
         &au1xxx_usb_ohci_device,
+        &au1x00_pcmcia_device,
+#ifdef CONFIG_FB_AU1100
+        &au1100_lcd_device,
+#endif
+#ifdef CONFIG_SOC_AU1200
+#if 0   /* fixme */
+        &au1xxx_usb_ehci_device,
+#endif
+        &au1xxx_usb_gdt_device,
+        &au1xxx_usb_otg_device,
+        &au1200_lcd_device,
+        &au1200_ide0_device,
+        &au1xxx_mmc_device,
+#endif
+#ifdef CONFIG_MIPS_DB1200
+        &smc91x_device,
+#endif
 };
 
 int au1xxx_platform_init(void)
diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c
index c40daccbb5b1..f85093b8d54d 100644
--- a/arch/mips/au1000/common/power.c
+++ b/arch/mips/au1000/common/power.c
@@ -34,11 +34,13 @@
 #include <linux/pm.h>
 #include <linux/slab.h>
 #include <linux/sysctl.h>
+#include <linux/jiffies.h>
 
 #include <asm/string.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/system.h>
+#include <asm/cacheflush.h>
 #include <asm/mach-au1x00/au1000.h>
 
 #ifdef CONFIG_PM
@@ -50,7 +52,7 @@
 #  define DPRINTK(fmt, args...)
 #endif
 
-static void calibrate_delay(void);
+static void au1000_calibrate_delay(void);
 
 extern void set_au1x00_speed(unsigned int new_freq);
 extern unsigned int get_au1x00_speed(void);
@@ -260,7 +262,7 @@ int au_sleep(void)
 }
 
 static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
-                       void *buffer, size_t * len)
+                       void __user *buffer, size_t * len, loff_t *ppos)
 {
         int retval = 0;
 #ifdef SLEEP_TEST_TIMEOUT
@@ -294,10 +296,9 @@ static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
 }
 
 static int pm_do_suspend(ctl_table * ctl, int write, struct file *file,
-                         void *buffer, size_t * len)
+                         void __user *buffer, size_t * len, loff_t *ppos)
 {
         int retval = 0;
-        void    au1k_wait(void);
 
         if (!write) {
                 *len = 0;
@@ -306,7 +307,7 @@ static int pm_do_suspend(ctl_table * ctl, int write, struct file *file,
                 if (retval)
                         return retval;
                 suspend_mode = 1;
-                au1k_wait();
+
                 retval = pm_send_all(PM_RESUME, (void *) 0);
         }
         return retval;
@@ -314,7 +315,7 @@ static int pm_do_suspend(ctl_table * ctl, int write, struct file *file,
 
 
 static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
-                      void *buffer, size_t * len)
+                      void __user *buffer, size_t * len, loff_t *ppos)
 {
         int retval = 0, i;
         unsigned long val, pll;
@@ -409,14 +410,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
 
 
         /* We don't want _any_ interrupts other than
-         * match20. Otherwise our calibrate_delay()
+         * match20. Otherwise our au1000_calibrate_delay()
          * calculation will be off, potentially a lot.
          */
         intc0_mask = save_local_and_disable(0);
         intc1_mask = save_local_and_disable(1);
         local_enable_irq(AU1000_TOY_MATCH2_INT);
         spin_unlock_irqrestore(&pm_lock, flags);
-        calibrate_delay();
+        au1000_calibrate_delay();
         restore_local_and_enable(0, intc0_mask);
         restore_local_and_enable(1, intc1_mask);
         return retval;
@@ -456,7 +457,7 @@ __initcall(pm_init);
    better than 1% */
 #define LPS_PREC 8
 
-static void calibrate_delay(void)
+static void au1000_calibrate_delay(void)
 {
         unsigned long ticks, loopbit;
         int lps_precision = LPS_PREC;
diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c
index 22e5a85af4d5..9c171afd9a53 100644
--- a/arch/mips/au1000/common/prom.c
+++ b/arch/mips/au1000/common/prom.c
@@ -75,7 +75,8 @@ void  prom_init_cmdline(void)
         }
         if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
                 --cp;
-        *cp = '\0';
+        if (prom_argc > 1)
+                *cp = '\0';
 
 }
 
diff --git a/arch/mips/au1000/common/puts.c b/arch/mips/au1000/common/puts.c
index c2ae4624b77b..2705829cd466 100644
--- a/arch/mips/au1000/common/puts.c
+++ b/arch/mips/au1000/common/puts.c
@@ -39,7 +39,6 @@
 #define TIMEOUT       0xffffff
 #define SLOW_DOWN
 
-static const char digits[16] = "0123456789abcdef";
 static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE;
 
 
@@ -54,7 +53,7 @@ static inline void slow_down(void)
 #endif
 
 void
-putch(const unsigned char c)
+prom_putchar(const unsigned char c)
 {
     unsigned char ch;
     int i = 0;
@@ -69,77 +68,3 @@ putch(const unsigned char c)
     } while (0 == (ch & TX_BUSY));
     com1[SER_DATA] = c;
 }
-
-void
-puts(unsigned char *cp)
-{
-    unsigned char ch;
-    int i = 0;
-
-    while (*cp) {
-        do {
-             ch = com1[SER_CMD];
-            slow_down();
-            i++;
-            if (i>TIMEOUT) {
-                break;
-            }
-        } while (0 == (ch & TX_BUSY));
-        com1[SER_DATA] = *cp++;
-    }
-    putch('\r');
-    putch('\n');
-}
-
-void
-fputs(const char *cp)
-{
-    unsigned char ch;
-    int i = 0;
-
-    while (*cp) {
-
-        do {
-             ch = com1[SER_CMD];
-             slow_down();
-            i++;
-            if (i>TIMEOUT) {
-                break;
-            }
-        } while (0 == (ch & TX_BUSY));
-        com1[SER_DATA] = *cp++;
-    }
-}
-
-
-void
-put64(uint64_t ul)
-{
-    int cnt;
-    unsigned ch;
-
-    cnt = 16;            /* 16 nibbles in a 64 bit long */
-    putch('0');
-    putch('x');
-    do {
-        cnt--;
-        ch = (unsigned char)(ul >> cnt * 4) & 0x0F;
-                putch(digits[ch]);
-    } while (cnt > 0);
-}
-
-void
-put32(unsigned u)
-{
-    int cnt;
-    unsigned ch;
-
-    cnt = 8;            /* 8 nibbles in a 32 bit long */
-    putch('0');
-    putch('x');
-    do {
-        cnt--;
-        ch = (unsigned char)(u >> cnt * 4) & 0x0F;
-                putch(digits[ch]);
-    } while (cnt > 0);
-}
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index eff89e109ce6..1ef15d5ef943 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -32,6 +32,7 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 
 #include <asm/cpu.h>
 #include <asm/bootinfo.h>
@@ -57,7 +58,7 @@ extern void au1xxx_time_init(void);
 extern void au1xxx_timer_setup(struct irqaction *irq);
 extern void set_cpuspec(void);
 
-static int __init au1x00_setup(void)
+void __init plat_setup(void)
 {
         struct  cpu_spec *sp;
         char *argptr;
@@ -106,8 +107,6 @@ static int __init au1x00_setup(void)
         /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
 #ifdef CONFIG_MIPS_HYDROGEN3
          strcat(argptr, " video=au1100fb:panel:Hydrogen_3_NEC_panel_320x240,nohwcursor");
-#else
-        strcat(argptr, " video=au1100fb:panel:s10,nohwcursor");
 #endif
     }
 #endif
@@ -153,15 +152,11 @@ static int __init au1x00_setup(void)
         au_sync();
         while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T0S);
         au_writel(0, SYS_TOYTRIM);
-
-        return 0;
 }
 
-early_initcall(au1x00_setup);
-
 #if defined(CONFIG_64BIT_PHYS_ADDR)
 /* This routine should be valid for all Au1x based boards */
-phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
+phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
 {
         u32 start, end;
 
@@ -192,4 +187,5 @@ phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
         /* default nop */
         return phys_addr;
 }
+EXPORT_SYMBOL(__fixup_bigphys_addr);
 #endif
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index 57675b41480e..883d3f3d8c53 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -50,7 +50,6 @@
 #include <linux/mc146818rtc.h>
 #include <linux/timex.h>
 
-extern void startup_match20_interrupt(void);
 extern void do_softirq(void);
 extern volatile unsigned long wall_jiffies;
 unsigned long missed_heart_beats = 0;
@@ -58,14 +57,17 @@ unsigned long missed_heart_beats = 0;
 static unsigned long r4k_offset; /* Amount to increment compare reg each time */
 static unsigned long r4k_cur;    /* What counter should be at next timer irq */
 int     no_au1xxx_32khz;
-void    (*au1k_wait_ptr)(void);
+extern int allow_au1k_wait; /* default off for CP0 Counter */
 
 /* Cycle counter value at the previous timer interrupt.. */
 static unsigned int timerhi = 0, timerlo = 0;
 
 #ifdef CONFIG_PM
-#define MATCH20_INC 328
-extern void startup_match20_interrupt(void);
+#if HZ < 100 || HZ > 1000
+#error "unsupported HZ value! Must be in [100,1000]"
+#endif
+#define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */
+extern void startup_match20_interrupt(irqreturn_t (*handler)(int, void *, struct pt_regs *));
 static unsigned long last_pc0, last_match20;
 #endif
 
@@ -117,17 +119,16 @@ null:
 }
 
 #ifdef CONFIG_PM
-void counter0_irq(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t counter0_irq(int irq, void *dev_id, struct pt_regs *regs)
 {
         unsigned long pc0;
         int time_elapsed;
         static int jiffie_drift = 0;
 
-        kstat.irqs[0][irq]++;
         if (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20) {
                 /* should never happen! */
-                printk(KERN_WARNING "counter 0 w status eror\n");
-                return;
+                printk(KERN_WARNING "counter 0 w status error\n");
+                return IRQ_NONE;
         }
 
         pc0 = au_readl(SYS_TOYREAD);
@@ -164,6 +165,8 @@ void counter0_irq(int irq, void *dev_id, struct pt_regs *regs)
                 update_process_times(user_mode(regs));
 #endif
         }
+
+        return IRQ_HANDLED;
 }
 
 /* When we wakeup from sleep, we have to "catch up" on all of the
@@ -388,7 +391,6 @@ void au1xxx_timer_setup(struct irqaction *irq)
 {
         unsigned int est_freq;
         extern unsigned long (*do_gettimeoffset)(void);
-        extern void au1k_wait(void);
 
         printk("calculating r4koff... ");
         r4k_offset = cal_r4koff();
@@ -441,18 +443,18 @@ void au1xxx_timer_setup(struct irqaction *irq)
                 au_sync();
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
 
-                /* setup match20 to interrupt once every 10ms */
+                /* setup match20 to interrupt once every HZ */
                 last_pc0 = last_match20 = au_readl(SYS_TOYREAD);
                 au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2);
                 au_sync();
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
-                startup_match20_interrupt();
+                startup_match20_interrupt(counter0_irq);
 
                 do_gettimeoffset = do_fast_pm_gettimeoffset;
 
                 /* We can use the real 'wait' instruction.
                 */
-                au1k_wait_ptr = au1k_wait;
+                allow_au1k_wait = 1;
         }
 
 #else
diff --git a/arch/mips/au1000/common/usbdev.c b/arch/mips/au1000/common/usbdev.c
index 447a9a4612a8..0b21bed7ee55 100644
--- a/arch/mips/au1000/common/usbdev.c
+++ b/arch/mips/au1000/common/usbdev.c
@@ -1005,11 +1005,11 @@ process_ep0_receive (struct usb_dev* dev)
 #endif
                 dev->ep0_stage = SETUP_STAGE;
                 break;
-                }
+        }
 
         spin_unlock(&ep0->lock);
-                // we're done processing the packet, free it
-                kfree(pkt);
+        // we're done processing the packet, free it
+        kfree(pkt);
 }
 
 
@@ -1072,8 +1072,7 @@ dma_done_ep0_intr(int irq, void *dev_id, struct pt_regs *regs)
                         clear_dma_done1(ep0->indma);
 
                 pkt = send_packet_complete(ep0);
-                if (pkt)
-                        kfree(pkt);
+                kfree(pkt);
         }
 
         /*
@@ -1302,8 +1301,7 @@ usbdev_exit(void)
                 endpoint_flush(ep);
         }
 
-        if (usbdev.full_conf_desc)
-                kfree(usbdev.full_conf_desc);
+        kfree(usbdev.full_conf_desc);
 }
 
 int
diff --git a/arch/mips/au1000/csb250/init.c b/arch/mips/au1000/csb250/init.c
index bd99733abc0b..a4898b1bc66a 100644
--- a/arch/mips/au1000/csb250/init.c
+++ b/arch/mips/au1000/csb250/init.c
@@ -35,7 +35,6 @@
 #include <asm/bootinfo.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 
 int prom_argc;
 char **prom_argv, **prom_envp;
diff --git a/arch/mips/au1000/db1x00/irqmap.c b/arch/mips/au1000/db1x00/irqmap.c
index 8f6ef0dbe1f8..f63024a9893a 100644
--- a/arch/mips/au1000/db1x00/irqmap.c
+++ b/arch/mips/au1000/db1x00/irqmap.c
@@ -48,6 +48,38 @@
 #include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 
+#ifdef CONFIG_MIPS_DB1500
+char irq_tab_alchemy[][5] __initdata = {
+ [12] = { -1, INTA, INTX, INTX, INTX},   /* IDSEL 12 - HPT371   */
+ [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot */
+};
+#endif
+
+#ifdef CONFIG_MIPS_BOSPORUS
+char irq_tab_alchemy[][5] __initdata = {
+ [11] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 11 - miniPCI  */
+ [12] = { -1, INTA, INTX, INTX, INTX},   /* IDSEL 12 - SN1741   */
+ [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot */
+};
+#endif
+
+#ifdef CONFIG_MIPS_MIRAGE
+char irq_tab_alchemy[][5] __initdata = {
+ [11] = { -1, INTD, INTX, INTX, INTX},   /* IDSEL 11 - SMI VGX */
+ [12] = { -1, INTX, INTX, INTC, INTX},   /* IDSEL 12 - PNX1300 */
+ [13] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 13 - miniPCI */
+};
+#endif
+
+#ifdef CONFIG_MIPS_DB1550
+char irq_tab_alchemy[][5] __initdata = {
+ [11] = { -1, INTC, INTX, INTX, INTX},   /* IDSEL 11 - on-board HPT371    */
+ [12] = { -1, INTB, INTC, INTD, INTA},   /* IDSEL 12 - PCI slot 2 (left)  */
+ [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot 1 (right) */
+};
+#endif
+
+
 au1xxx_irq_map_t au1xxx_irq_map[] = {
 
 #ifndef CONFIG_MIPS_MIRAGE
diff --git a/arch/mips/au1000/db1x00/mirage_ts.c b/arch/mips/au1000/db1x00/mirage_ts.c
index ade35e432004..c29852c24b4f 100644
--- a/arch/mips/au1000/db1x00/mirage_ts.c
+++ b/arch/mips/au1000/db1x00/mirage_ts.c
@@ -102,15 +102,15 @@ static struct {
 } mirage_ts_cal =
 {
 #if 0
-        xscale:   84,
-        xtrans: -157,
-        yscale:   66,
-        ytrans: -150,
+        .xscale   = 84,
+        .xtrans = -157,
+        .yscale   = 66,
+        .ytrans = -150,
 #else
-        xscale:   84,
-        xtrans: -150,
-        yscale:   66,
-        ytrans: -146,
+        .xscale   = 84,
+        .xtrans = -150,
+        .yscale   = 66,
+        .ytrans = -146,
 #endif
 };
 
diff --git a/arch/mips/au1000/hydrogen3/init.c b/arch/mips/au1000/hydrogen3/init.c
index 8cc9879dd582..01ab28483959 100644
--- a/arch/mips/au1000/hydrogen3/init.c
+++ b/arch/mips/au1000/hydrogen3/init.c
@@ -37,7 +37,6 @@
 #include <linux/config.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 
 int prom_argc;
 char **prom_argv, **prom_envp;
diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/au1000/mtx-1/init.c
index 02e7dbcff727..88f2b6d97281 100644
--- a/arch/mips/au1000/mtx-1/init.c
+++ b/arch/mips/au1000/mtx-1/init.c
@@ -33,7 +33,6 @@
 #include <linux/sched.h>
 #include <linux/init.h>
 #include <linux/mm.h>
-#include <linux/sched.h>
 #include <linux/bootmem.h>
 #include <asm/addrspace.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/au1000/mtx-1/irqmap.c
index ddcb9d089dc1..f9a0a8b9def2 100644
--- a/arch/mips/au1000/mtx-1/irqmap.c
+++ b/arch/mips/au1000/mtx-1/irqmap.c
@@ -47,6 +47,17 @@
 #include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 
+char irq_tab_alchemy[][5] __initdata = {
+ [0] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 00 - AdapterA-Slot0 (top)    */
+ [1] = { -1, INTB, INTA, INTX, INTX},   /* IDSEL 01 - AdapterA-Slot1 (bottom) */
+ [2] = { -1, INTC, INTD, INTX, INTX},   /* IDSEL 02 - AdapterB-Slot0 (top)    */
+ [3] = { -1, INTD, INTC, INTX, INTX},   /* IDSEL 03 - AdapterB-Slot1 (bottom) */
+ [4] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 04 - AdapterC-Slot0 (top)    */
+ [5] = { -1, INTB, INTA, INTX, INTX},   /* IDSEL 05 - AdapterC-Slot1 (bottom) */
+ [6] = { -1, INTC, INTD, INTX, INTX},   /* IDSEL 06 - AdapterD-Slot0 (top)    */
+ [7] = { -1, INTD, INTC, INTX, INTX},   /* IDSEL 07 - AdapterD-Slot1 (bottom) */
+};
+
 au1xxx_irq_map_t au1xxx_irq_map[] = {
        { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
        { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/au1000/pb1000/init.c
index 34713c5df0d7..e9fa1bab81f3 100644
--- a/arch/mips/au1000/pb1000/init.c
+++ b/arch/mips/au1000/pb1000/init.c
@@ -65,5 +65,4 @@ void __init prom_init(void)
                 memsize = simple_strtol(memsize_str, NULL, 0);
         }
         add_memory_region(0, memsize, BOOT_MEM_RAM);
-        return 0;
 }
diff --git a/arch/mips/au1000/pb1200/Makefile b/arch/mips/au1000/pb1200/Makefile
new file mode 100644
index 000000000000..22b673cf55af
--- /dev/null
+++ b/arch/mips/au1000/pb1200/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Alchemy Semiconductor PB1200 board.
+#
+
+lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/au1000/pb1200/board_setup.c
new file mode 100644
index 000000000000..a45b17538ac9
--- /dev/null
+++ b/arch/mips/au1000/pb1200/board_setup.c
@@ -0,0 +1,193 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *      Alchemy Pb1200/Db1200 board setup.
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/mc146818rtc.h>
+#include <linux/delay.h>
+
+#if defined(CONFIG_BLK_DEV_IDE_AU1XXX)
+#include <linux/ide.h>
+#endif
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/pgtable.h>
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1xxx_dbdma.h>
+
+#ifdef CONFIG_MIPS_PB1200
+#include <asm/mach-pb1x00/pb1200.h>
+#endif
+
+#ifdef CONFIG_MIPS_DB1200
+#include <asm/mach-db1x00/db1200.h>
+#define PB1200_ETH_INT DB1200_ETH_INT
+#define PB1200_IDE_INT DB1200_IDE_INT
+#endif
+
+extern void _board_init_irq(void);
+extern void     (*board_init_irq)(void);
+
+void board_reset (void)
+{
+        bcsr->resets = 0;
+        bcsr->system = 0;
+}
+
+void __init board_setup(void)
+{
+        char *argptr = NULL;
+        u32 pin_func;
+
+#if 0
+        /* Enable PSC1 SYNC for AC97.  Normaly done in audio driver,
+         * but it is board specific code, so put it here.
+         */
+        pin_func = au_readl(SYS_PINFUNC);
+        au_sync();
+        pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
+        au_writel(pin_func, SYS_PINFUNC);
+
+        au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */
+        au_sync();
+#endif
+
+#if defined(CONFIG_I2C_AU1550)
+        {
+        u32 freq0, clksrc;
+
+        /* Select SMBUS in CPLD */
+        bcsr->resets &= ~(BCSR_RESETS_PCS0MUX);
+
+        pin_func = au_readl(SYS_PINFUNC);
+        au_sync();
+        pin_func &= ~(3<<17 | 1<<4);
+        /* Set GPIOs correctly */
+        pin_func |= 2<<17;
+        au_writel(pin_func, SYS_PINFUNC);
+        au_sync();
+
+        /* The i2c driver depends on 50Mhz clock */
+        freq0 = au_readl(SYS_FREQCTRL0);
+        au_sync();
+        freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1);
+        freq0 |= (3<<SYS_FC_FRDIV1_BIT);
+        /* 396Mhz / (3+1)*2 == 49.5Mhz */
+        au_writel(freq0, SYS_FREQCTRL0);
+        au_sync();
+        freq0 |= SYS_FC_FE1;
+        au_writel(freq0, SYS_FREQCTRL0);
+        au_sync();
+
+        clksrc = au_readl(SYS_CLKSRC);
+        au_sync();
+        clksrc &= ~0x01f00000;
+        /* bit 22 is EXTCLK0 for PSC0 */
+        clksrc |= (0x3 << 22);
+        au_writel(clksrc, SYS_CLKSRC);
+        au_sync();
+        }
+#endif
+
+#ifdef CONFIG_FB_AU1200
+        argptr = prom_getcmdline();
+#ifdef CONFIG_MIPS_PB1200
+        strcat(argptr, " video=au1200fb:panel:bs");
+#endif
+#ifdef CONFIG_MIPS_DB1200
+        strcat(argptr, " video=au1200fb:panel:bs");
+#endif
+#endif
+
+        /* The Pb1200 development board uses external MUX for PSC0 to
+        support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
+        */
+#if defined(CONFIG_AU1XXX_PSC_SPI) && defined(CONFIG_I2C_AU1550)
+        #error I2C and SPI are mutually exclusive. Both are physically connected to PSC0.\
+                        Refer to Pb1200/Db1200 documentation.
+#elif defined( CONFIG_AU1XXX_PSC_SPI )
+        bcsr->resets |= BCSR_RESETS_PCS0MUX;
+        /*Hard Coding Value to enable Temp Sensors [bit 14] Value for SOC Au1200. Pls refer documentation*/
+          bcsr->resets =0x900f;
+#elif defined( CONFIG_I2C_AU1550 )
+        bcsr->resets &= (~BCSR_RESETS_PCS0MUX);
+#endif
+        au_sync();
+
+#ifdef CONFIG_MIPS_PB1200
+        printk("AMD Alchemy Pb1200 Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1200
+        printk("AMD Alchemy Db1200 Board\n");
+#endif
+
+        /* Setup Pb1200 External Interrupt Controller */
+        {
+                extern void (*board_init_irq)(void);
+                extern void _board_init_irq(void);
+                board_init_irq = _board_init_irq;
+        }
+}
+
+int
+board_au1200fb_panel (void)
+{
+        BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
+        int p;
+
+        p = bcsr->switches;
+        p >>= 8;
+        p &= 0x0F;
+        return p;
+}
+
+int
+board_au1200fb_panel_init (void)
+{
+        /* Apply power */
+    BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
+        bcsr->board |= (BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL);
+        /*printk("board_au1200fb_panel_init()\n"); */
+        return 0;
+}
+
+int
+board_au1200fb_panel_shutdown (void)
+{
+        /* Remove power */
+    BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
+        bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL);
+        /*printk("board_au1200fb_panel_shutdown()\n"); */
+        return 0;
+}
+
diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/au1000/pb1200/init.c
new file mode 100644
index 000000000000..27f09e374e15
--- /dev/null
+++ b/arch/mips/au1000/pb1200/init.c
@@ -0,0 +1,69 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *      PB1200 board setup
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *              ppopov@mvista.com or source@mvista.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+extern void  __init prom_init_cmdline(void);
+extern char *prom_getenv(char *envname);
+
+const char *get_system_type(void)
+{
+        return "Alchemy Pb1200";
+}
+
+void __init prom_init(void)
+{
+        unsigned char *memsize_str;
+        unsigned long memsize;
+
+        prom_argc = (int) fw_arg0;
+        prom_argv = (char **) fw_arg1;
+        prom_envp = (char **) fw_arg2;
+
+        mips_machgroup = MACH_GROUP_ALCHEMY;
+        mips_machtype = MACH_PB1200;
+
+        prom_init_cmdline();
+        memsize_str = prom_getenv("memsize");
+        if (!memsize_str) {
+                memsize = 0x08000000;
+        } else {
+                memsize = simple_strtol(memsize_str, NULL, 0);
+        }
+        add_memory_region(0, memsize, BOOT_MEM_RAM);
+}
diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c
new file mode 100644
index 000000000000..59e70e5cf325
--- /dev/null
+++ b/arch/mips/au1000/pb1200/irqmap.c
@@ -0,0 +1,182 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ *      Au1xxx irq map table
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/config.h>
+#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 <asm/bitops.h>
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/mipsregs.h>
+#include <asm/system.h>
+#include <asm/mach-au1x00/au1000.h>
+
+#ifdef CONFIG_MIPS_PB1200
+#include <asm/mach-pb1x00/pb1200.h>
+#endif
+
+#ifdef CONFIG_MIPS_DB1200
+#include <asm/mach-db1x00/db1200.h>
+#define PB1200_INT_BEGIN DB1200_INT_BEGIN
+#define PB1200_INT_END DB1200_INT_END
+#endif
+
+au1xxx_irq_map_t au1xxx_irq_map[] = {
+        { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade
+};
+
+int au1xxx_nr_irqs = sizeof(au1xxx_irq_map)/sizeof(au1xxx_irq_map_t);
+
+/*
+ *      Support for External interrupts on the PbAu1200 Development platform.
+ */
+static volatile int pb1200_cascade_en=0;
+
+irqreturn_t pb1200_cascade_handler( int irq, void *dev_id, struct pt_regs *regs)
+{
+        unsigned short bisr = bcsr->int_status;
+        int extirq_nr = 0;
+
+        /* Clear all the edge interrupts. This has no effect on level */
+        bcsr->int_status = bisr;
+        for( ; bisr; bisr &= (bisr-1) )
+        {
+                extirq_nr = (PB1200_INT_BEGIN-1) + au_ffs(bisr);
+                /* Ack and dispatch IRQ */
+                do_IRQ(extirq_nr,regs);
+        }
+        return IRQ_RETVAL(1);
+}
+
+inline void pb1200_enable_irq(unsigned int irq_nr)
+{
+        bcsr->intset_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
+        bcsr->intset = 1<<(irq_nr - PB1200_INT_BEGIN);
+}
+
+inline void pb1200_disable_irq(unsigned int irq_nr)
+{
+        bcsr->intclr_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
+        bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN);
+}
+
+static unsigned int pb1200_startup_irq( unsigned int irq_nr )
+{
+        if (++pb1200_cascade_en == 1)
+        {
+                request_irq(AU1000_GPIO_7, &pb1200_cascade_handler,
+                        0, "Pb1200 Cascade", (void *)&pb1200_cascade_handler );
+#ifdef CONFIG_MIPS_PB1200
+    /* We have a problem with CPLD rev3. Enable a workaround */
+        if( ((bcsr->whoami & BCSR_WHOAMI_CPLD)>>4) <= 3)
+        {
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n");
+                printk("updated to latest revision. This software will not\n");
+                printk("work on anything less than CPLD rev4\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                printk("\nWARNING!!!\n");
+                while(1);
+        }
+#endif
+        }
+        pb1200_enable_irq(irq_nr);
+        return 0;
+}
+
+static void pb1200_shutdown_irq( unsigned int irq_nr )
+{
+        pb1200_disable_irq(irq_nr);
+        if (--pb1200_cascade_en == 0)
+        {
+                free_irq(AU1000_GPIO_7,&pb1200_cascade_handler );
+        }
+        return;
+}
+
+static inline void pb1200_mask_and_ack_irq(unsigned int irq_nr)
+{
+        pb1200_disable_irq( irq_nr );
+}
+
+static void pb1200_end_irq(unsigned int irq_nr)
+{
+        if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
+                pb1200_enable_irq(irq_nr);
+        }
+}
+
+static struct hw_interrupt_type external_irq_type =
+{
+#ifdef CONFIG_MIPS_PB1200
+        "Pb1200 Ext",
+#endif
+#ifdef CONFIG_MIPS_DB1200
+        "Db1200 Ext",
+#endif
+        pb1200_startup_irq,
+        pb1200_shutdown_irq,
+        pb1200_enable_irq,
+        pb1200_disable_irq,
+        pb1200_mask_and_ack_irq,
+        pb1200_end_irq,
+        NULL
+};
+
+void _board_init_irq(void)
+{
+        int irq_nr;
+
+        for (irq_nr = PB1200_INT_BEGIN; irq_nr <= PB1200_INT_END; irq_nr++)
+        {
+                irq_desc[irq_nr].handler = &external_irq_type;
+                pb1200_disable_irq(irq_nr);
+        }
+
+        /* GPIO_7 can not be hooked here, so it is hooked upon first
+        request of any source attached to the cascade */
+}
+
diff --git a/arch/mips/au1000/pb1500/irqmap.c b/arch/mips/au1000/pb1500/irqmap.c
index 476e25001681..8cb76c2edb5e 100644
--- a/arch/mips/au1000/pb1500/irqmap.c
+++ b/arch/mips/au1000/pb1500/irqmap.c
@@ -47,6 +47,11 @@
 #include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 
+char irq_tab_alchemy[][5] __initdata = {
+ [12] = { -1, INTA, INTX, INTX, INTX},   /* IDSEL 12 - HPT370   */
+ [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot */
+};
+
 au1xxx_irq_map_t au1xxx_irq_map[] = {
         { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
         { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
diff --git a/arch/mips/au1000/pb1550/irqmap.c b/arch/mips/au1000/pb1550/irqmap.c
index 889d4949ee76..47c7a1c19f4b 100644
--- a/arch/mips/au1000/pb1550/irqmap.c
+++ b/arch/mips/au1000/pb1550/irqmap.c
@@ -47,6 +47,11 @@
 #include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 
+char irq_tab_alchemy[][5] __initdata = {
+ [12] = { -1, INTB, INTC, INTD, INTA},   /* IDSEL 12 - PCI slot 2 (left)  */
+ [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot 1 (right) */
+};
+
 au1xxx_irq_map_t au1xxx_irq_map[] = {
         { AU1000_GPIO_0, INTC_INT_LOW_LEVEL, 0 },
         { AU1000_GPIO_1, INTC_INT_LOW_LEVEL, 0 },