8 files changed, 135 insertions, 29 deletions

diff --git a/include/asm-powerpc/cell-pmu.h b/include/asm-powerpc/cell-pmu.h
index e8c2ebd3ddda..35b95773746c 100644
--- a/include/asm-powerpc/cell-pmu.h
+++ b/include/asm-powerpc/cell-pmu.h
@@ -53,6 +53,11 @@
 #define CBE_PM_CTR_POLARITY                0x01000000
 #define CBE_PM_CTR_COUNT_CYCLES            0x00800000
 #define CBE_PM_CTR_ENABLE                  0x00400000
+#define PM07_CTR_INPUT_MUX(x)              (((x) & 0x3F) << 26)
+#define PM07_CTR_INPUT_CONTROL(x)          (((x) & 1) << 25)
+#define PM07_CTR_POLARITY(x)               (((x) & 1) << 24)
+#define PM07_CTR_COUNT_CYCLES(x)           (((x) & 1) << 23)
+#define PM07_CTR_ENABLE(x)                 (((x) & 1) << 22)
 
 /* Macros for the pm_status register. */
 #define CBE_PM_CTR_OVERFLOW_INTR(ctr)      (1 << (31 - ((ctr) & 7)))
@@ -89,8 +94,7 @@ extern void cbe_read_trace_buffer(u32 cpu, u64 *buf);
 
 extern void cbe_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
 extern void cbe_disable_pm_interrupts(u32 cpu);
-extern u32  cbe_query_pm_interrupts(u32 cpu);
-extern u32  cbe_clear_pm_interrupts(u32 cpu);
+extern u32  cbe_get_and_clear_pm_interrupts(u32 cpu);
 extern void cbe_sync_irq(int node);
 
 /* Utility functions, macros */
@@ -103,11 +107,4 @@ extern u32 cbe_get_hw_thread_id(int cpu);
 #define CBE_COUNT_PROBLEM_MODE          2
 #define CBE_COUNT_ALL_MODES             3
 
-/* Macros for the pm07_control registers. */
-#define PM07_CTR_INPUT_MUX(x)                    (((x) & 0x3F) << 26)
-#define PM07_CTR_INPUT_CONTROL(x)                (((x) & 1) << 25)
-#define PM07_CTR_POLARITY(x)                     (((x) & 1) << 24)
-#define PM07_CTR_COUNT_CYCLES(x)                 (((x) & 1) << 23)
-#define PM07_CTR_ENABLE(x)                       (((x) & 1) << 22)
-
 #endif /* __ASM_CELL_PMU_H__ */
diff --git a/include/asm-powerpc/floppy.h b/include/asm-powerpc/floppy.h
index fd242a22331c..a0f14eea1da5 100644
--- a/include/asm-powerpc/floppy.h
+++ b/include/asm-powerpc/floppy.h
@@ -17,28 +17,115 @@
 #define fd_outb(value,port)     outb_p(value,port)
 
 #define fd_enable_dma()         enable_dma(FLOPPY_DMA)
-#define fd_disable_dma()        disable_dma(FLOPPY_DMA)
-#define fd_request_dma()        request_dma(FLOPPY_DMA, "floppy")
-#define fd_free_dma()           free_dma(FLOPPY_DMA)
+#define fd_disable_dma()         fd_ops->_disable_dma(FLOPPY_DMA)
+#define fd_free_dma()           fd_ops->_free_dma(FLOPPY_DMA)
 #define fd_clear_dma_ff()       clear_dma_ff(FLOPPY_DMA)
 #define fd_set_dma_mode(mode)   set_dma_mode(FLOPPY_DMA, mode)
 #define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA, count)
+#define fd_get_dma_residue()    fd_ops->_get_dma_residue(FLOPPY_DMA)
 #define fd_enable_irq()         enable_irq(FLOPPY_IRQ)
 #define fd_disable_irq()        disable_irq(FLOPPY_IRQ)
 #define fd_cacheflush(addr,size) /* nothing */
-#define fd_request_irq()        request_irq(FLOPPY_IRQ, floppy_interrupt, \
-                                            IRQF_DISABLED, "floppy", NULL)
 #define fd_free_irq()           free_irq(FLOPPY_IRQ, NULL);
 
-#ifdef CONFIG_PCI
-
 #include <linux/pci.h>
 #include <asm/ppc-pci.h>        /* for ppc64_isabridge_dev */
 
-#define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io)
+#define fd_dma_setup(addr,size,mode,io) fd_ops->_dma_setup(addr,size,mode,io)
+
+static int fd_request_dma(void);
+
+struct fd_dma_ops {
+        void (*_disable_dma)(unsigned int dmanr);
+        void (*_free_dma)(unsigned int dmanr);
+        int (*_get_dma_residue)(unsigned int dummy);
+        int (*_dma_setup)(char *addr, unsigned long size, int mode, int io);
+};
+
+static int virtual_dma_count;
+static int virtual_dma_residue;
+static char *virtual_dma_addr;
+static int virtual_dma_mode;
+static int doing_vdma;
+static struct fd_dma_ops *fd_ops;
+
+static irqreturn_t floppy_hardint(int irq, void *dev_id)
+{
+        unsigned char st;
+        int lcount;
+        char *lptr;
+
+        if (!doing_vdma)
+                return floppy_interrupt(irq, dev_id);
+
+
+        st = 1;
+        for (lcount=virtual_dma_count, lptr=virtual_dma_addr;
+             lcount; lcount--, lptr++) {
+                st=inb(virtual_dma_port+4) & 0xa0 ;
+                if (st != 0xa0)
+                        break;
+                if (virtual_dma_mode)
+                        outb_p(*lptr, virtual_dma_port+5);
+                else
+                        *lptr = inb_p(virtual_dma_port+5);
+        }
+        virtual_dma_count = lcount;
+        virtual_dma_addr = lptr;
+        st = inb(virtual_dma_port+4);
+
+        if (st == 0x20)
+                return IRQ_HANDLED;
+        if (!(st & 0x20)) {
+                virtual_dma_residue += virtual_dma_count;
+                virtual_dma_count=0;
+                doing_vdma = 0;
+                floppy_interrupt(irq, dev_id);
+                return IRQ_HANDLED;
+        }
+        return IRQ_HANDLED;
+}
 
-static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size,
-                                           int mode, int io)
+static void vdma_disable_dma(unsigned int dummy)
+{
+        doing_vdma = 0;
+        virtual_dma_residue += virtual_dma_count;
+        virtual_dma_count=0;
+}
+
+static void vdma_nop(unsigned int dummy)
+{
+}
+
+
+static int vdma_get_dma_residue(unsigned int dummy)
+{
+        return virtual_dma_count + virtual_dma_residue;
+}
+
+
+static int fd_request_irq(void)
+{
+        if (can_use_virtual_dma)
+                return request_irq(FLOPPY_IRQ, floppy_hardint,
+                                   IRQF_DISABLED, "floppy", NULL);
+        else
+                return request_irq(FLOPPY_IRQ, floppy_interrupt,
+                                   IRQF_DISABLED, "floppy", NULL);
+}
+
+static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
+{
+        doing_vdma = 1;
+        virtual_dma_port = io;
+        virtual_dma_mode = (mode  == DMA_MODE_WRITE);
+        virtual_dma_addr = addr;
+        virtual_dma_count = size;
+        virtual_dma_residue = 0;
+        return 0;
+}
+
+static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)
 {
         static unsigned long prev_size;
         static dma_addr_t bus_addr = 0;
@@ -46,6 +133,7 @@ static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size,
         static int prev_dir;
         int dir;
 
+        doing_vdma = 0;
         dir = (mode == DMA_MODE_READ) ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE;
 
         if (bus_addr 
@@ -74,11 +162,32 @@ static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size,
         return 0;
 }
 
-#endif /* CONFIG_PCI */
+static struct fd_dma_ops real_dma_ops =
+{
+        ._disable_dma = disable_dma,
+        ._free_dma = free_dma,
+        ._get_dma_residue = get_dma_residue,
+        ._dma_setup = hard_dma_setup
+};
+
+static struct fd_dma_ops virt_dma_ops =
+{
+        ._disable_dma = vdma_disable_dma,
+        ._free_dma = vdma_nop,
+        ._get_dma_residue = vdma_get_dma_residue,
+        ._dma_setup = vdma_dma_setup
+};
 
-__inline__ void virtual_dma_init(void)
+static int fd_request_dma()
 {
-        /* Nothing to do on PowerPC */
+        if (can_use_virtual_dma & 1) {
+                fd_ops = &virt_dma_ops;
+                return 0;
+        }
+        else {
+                fd_ops = &real_dma_ops;
+                return request_dma(FLOPPY_DMA, "floppy");
+        }
 }
 
 static int FDC1 = 0x3f0;
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index b634e16575f2..0f9f2dd24a79 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -129,7 +129,6 @@ struct spu {
         struct spu_runqueue *rq;
         unsigned long long timestamp;
         pid_t pid;
-        int prio;
         int class_0_pending;
         spinlock_t register_lock;
 
diff --git a/include/asm-powerpc/systbl.h b/include/asm-powerpc/systbl.h
index 97b435484177..418e5c7e972c 100644
--- a/include/asm-powerpc/systbl.h
+++ b/include/asm-powerpc/systbl.h
@@ -305,3 +305,4 @@ SYSCALL_SPU(faccessat)
 COMPAT_SYS_SPU(get_robust_list)
 COMPAT_SYS_SPU(set_robust_list)
 COMPAT_SYS(move_pages)
+SYSCALL_SPU(getcpu)
diff --git a/include/asm-powerpc/ucc_slow.h b/include/asm-powerpc/ucc_slow.h
index ca93bc99237e..1babad99c719 100644
--- a/include/asm-powerpc/ucc_slow.h
+++ b/include/asm-powerpc/ucc_slow.h
@@ -150,7 +150,7 @@ struct ucc_slow_info {
         int ucc_num;
         enum qe_clock rx_clock;
         enum qe_clock tx_clock;
-        struct ucc_slow *us_regs;
+        struct ucc_slow *regs;
         int irq;
         u16 uccm_mask;
         int data_mem_part;
diff --git a/include/asm-powerpc/udbg.h b/include/asm-powerpc/udbg.h
index 4cbc313aa02a..d03d8557f706 100644
--- a/include/asm-powerpc/udbg.h
+++ b/include/asm-powerpc/udbg.h
@@ -46,6 +46,7 @@ extern void __init udbg_init_iseries(void);
 extern void __init udbg_init_rtas_panel(void);
 extern void __init udbg_init_rtas_console(void);
 extern void __init udbg_init_debug_beat(void);
+extern void __init udbg_init_btext(void);
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_UDBG_H */
diff --git a/include/asm-powerpc/vdso.h b/include/asm-powerpc/vdso.h
index b9f9118b1607..26fc449bd989 100644
--- a/include/asm-powerpc/vdso.h
+++ b/include/asm-powerpc/vdso.h
@@ -18,16 +18,11 @@
 
 #ifndef __ASSEMBLY__
 
-extern unsigned int vdso64_pages;
-extern unsigned int vdso32_pages;
-
 /* Offsets relative to thread->vdso_base */
 extern unsigned long vdso64_rt_sigtramp;
 extern unsigned long vdso32_sigtramp;
 extern unsigned long vdso32_rt_sigtramp;
 
-extern void vdso_init(void);
-
 #else /* __ASSEMBLY__ */
 
 #ifdef __VDSO64__
diff --git a/include/asm-ppc/ibm4xx.h b/include/asm-ppc/ibm4xx.h
index 7a64ede53bb6..92fd02d7b177 100644
--- a/include/asm-ppc/ibm4xx.h
+++ b/include/asm-ppc/ibm4xx.h
@@ -109,6 +109,10 @@ void ppc4xx_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #include <platforms/4xx/ocotea.h>
 #endif
 
+#if defined(CONFIG_TAISHAN)
+#include <platforms/4xx/taishan.h>
+#endif
+
 #ifndef __ASSEMBLY__
 #ifdef CONFIG_40x
 /*