4 files changed, 142 insertions, 7 deletions

diff --git a/include/asm-powerpc/pgalloc.h b/include/asm-powerpc/pgalloc.h
index 9f0917c68659..ae63db7b3e7d 100644
--- a/include/asm-powerpc/pgalloc.h
+++ b/include/asm-powerpc/pgalloc.h
@@ -117,7 +117,7 @@ static inline void pte_free(struct page *ptepage)
         pte_free_kernel(page_address(ptepage));
 }
 
-#define PGF_CACHENUM_MASK       0xf
+#define PGF_CACHENUM_MASK       0x3
 
 typedef struct pgtable_free {
         unsigned long val;
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 7307aa775671..4c9f5229e833 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -53,6 +53,15 @@
 #define smp_read_barrier_depends()      do { } while(0)
 #endif /* CONFIG_SMP */
 
+/*
+ * This is a barrier which prevents following instructions from being
+ * started until the value of the argument x is known.  For example, if
+ * x is a variable loaded from memory, this prevents following
+ * instructions from being executed until the load has been performed.
+ */
+#define data_barrier(x) \
+        asm volatile("twi 0,%0,0; isync" : : "r" (x) : "memory");
+
 struct task_struct;
 struct pt_regs;
 
diff --git a/include/asm-powerpc/tsi108.h b/include/asm-powerpc/tsi108.h
index c4c278d72f71..2c702d35a7cf 100644
--- a/include/asm-powerpc/tsi108.h
+++ b/include/asm-powerpc/tsi108.h
@@ -1,16 +1,18 @@
 /*
- * include/asm-ppc/tsi108.h
- *
  * common routine and memory layout for Tundra TSI108(Grendel) host bridge
  * memory controller.
  *
  * Author: Jacob Pan (jacob.pan@freescale.com)
  *         Alex Bounine (alexandreb@tundra.com)
- * 2004 (c) Freescale Semiconductor Inc.  This file is licensed under
- * the terms of the GNU General Public License version 2.  This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
+ *
+ * Copyright 2004-2006 Freescale Semiconductor, Inc.
+ *
+ * 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.
  */
+
 #ifndef __PPC_KERNEL_TSI108_H
 #define __PPC_KERNEL_TSI108_H
 
diff --git a/include/asm-powerpc/tsi108_irq.h b/include/asm-powerpc/tsi108_irq.h
new file mode 100644
index 000000000000..3e4d04effa57
--- /dev/null
+++ b/include/asm-powerpc/tsi108_irq.h
@@ -0,0 +1,124 @@
+/*
+ * (C) Copyright 2005 Tundra Semiconductor Corp.
+ * Alex Bounine, <alexandreb at tundra.com).
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * definitions for interrupt controller initialization and external interrupt
+ * demultiplexing on TSI108EMU/SVB boards.
+ */
+
+#ifndef _ASM_PPC_TSI108_IRQ_H
+#define _ASM_PPC_TSI108_IRQ_H
+
+/*
+ * Tsi108 interrupts
+ */
+#ifndef TSI108_IRQ_REG_BASE
+#define TSI108_IRQ_REG_BASE             0
+#endif
+
+#define TSI108_IRQ(x)           (TSI108_IRQ_REG_BASE + (x))
+
+#define TSI108_MAX_VECTORS      (36 + 4)        /* 36 sources + PCI INT demux */
+#define MAX_TASK_PRIO   0xF
+
+#define TSI108_IRQ_SPURIOUS     (TSI108_MAX_VECTORS)
+
+#define DEFAULT_PRIO_LVL        10      /* initial priority level */
+
+/* Interrupt vectors assignment to external and internal
+ * sources of requests. */
+
+/* EXTERNAL INTERRUPT SOURCES */
+
+#define IRQ_TSI108_EXT_INT0     TSI108_IRQ(0)   /* External Source at INT[0] */
+#define IRQ_TSI108_EXT_INT1     TSI108_IRQ(1)   /* External Source at INT[1] */
+#define IRQ_TSI108_EXT_INT2     TSI108_IRQ(2)   /* External Source at INT[2] */
+#define IRQ_TSI108_EXT_INT3     TSI108_IRQ(3)   /* External Source at INT[3] */
+
+/* INTERNAL INTERRUPT SOURCES */
+
+#define IRQ_TSI108_RESERVED0    TSI108_IRQ(4)   /* Reserved IRQ */
+#define IRQ_TSI108_RESERVED1    TSI108_IRQ(5)   /* Reserved IRQ */
+#define IRQ_TSI108_RESERVED2    TSI108_IRQ(6)   /* Reserved IRQ */
+#define IRQ_TSI108_RESERVED3    TSI108_IRQ(7)   /* Reserved IRQ */
+#define IRQ_TSI108_DMA0         TSI108_IRQ(8)   /* DMA0 */
+#define IRQ_TSI108_DMA1         TSI108_IRQ(9)   /* DMA1 */
+#define IRQ_TSI108_DMA2         TSI108_IRQ(10)  /* DMA2 */
+#define IRQ_TSI108_DMA3         TSI108_IRQ(11)  /* DMA3 */
+#define IRQ_TSI108_UART0        TSI108_IRQ(12)  /* UART0 */
+#define IRQ_TSI108_UART1        TSI108_IRQ(13)  /* UART1 */
+#define IRQ_TSI108_I2C          TSI108_IRQ(14)  /* I2C */
+#define IRQ_TSI108_GPIO         TSI108_IRQ(15)  /* GPIO */
+#define IRQ_TSI108_GIGE0        TSI108_IRQ(16)  /* GIGE0 */
+#define IRQ_TSI108_GIGE1        TSI108_IRQ(17)  /* GIGE1 */
+#define IRQ_TSI108_RESERVED4    TSI108_IRQ(18)  /* Reserved IRQ */
+#define IRQ_TSI108_HLP          TSI108_IRQ(19)  /* HLP */
+#define IRQ_TSI108_SDRAM        TSI108_IRQ(20)  /* SDC */
+#define IRQ_TSI108_PROC_IF      TSI108_IRQ(21)  /* Processor IF */
+#define IRQ_TSI108_RESERVED5    TSI108_IRQ(22)  /* Reserved IRQ */
+#define IRQ_TSI108_PCI          TSI108_IRQ(23)  /* PCI/X block */
+
+#define IRQ_TSI108_MBOX0        TSI108_IRQ(24)  /* Mailbox 0 register */
+#define IRQ_TSI108_MBOX1        TSI108_IRQ(25)  /* Mailbox 1 register */
+#define IRQ_TSI108_MBOX2        TSI108_IRQ(26)  /* Mailbox 2 register */
+#define IRQ_TSI108_MBOX3        TSI108_IRQ(27)  /* Mailbox 3 register */
+
+#define IRQ_TSI108_DBELL0       TSI108_IRQ(28)  /* Doorbell 0 */
+#define IRQ_TSI108_DBELL1       TSI108_IRQ(29)  /* Doorbell 1 */
+#define IRQ_TSI108_DBELL2       TSI108_IRQ(30)  /* Doorbell 2 */
+#define IRQ_TSI108_DBELL3       TSI108_IRQ(31)  /* Doorbell 3 */
+
+#define IRQ_TSI108_TIMER0       TSI108_IRQ(32)  /* Global Timer 0 */
+#define IRQ_TSI108_TIMER1       TSI108_IRQ(33)  /* Global Timer 1 */
+#define IRQ_TSI108_TIMER2       TSI108_IRQ(34)  /* Global Timer 2 */
+#define IRQ_TSI108_TIMER3       TSI108_IRQ(35)  /* Global Timer 3 */
+
+/*
+ * PCI bus INTA# - INTD# lines demultiplexor
+ */
+#define IRQ_PCI_INTAD_BASE      TSI108_IRQ(36)
+#define IRQ_PCI_INTA            (IRQ_PCI_INTAD_BASE + 0)
+#define IRQ_PCI_INTB            (IRQ_PCI_INTAD_BASE + 1)
+#define IRQ_PCI_INTC            (IRQ_PCI_INTAD_BASE + 2)
+#define IRQ_PCI_INTD            (IRQ_PCI_INTAD_BASE + 3)
+#define NUM_PCI_IRQS            (4)
+
+/* number of entries in vector dispatch table */
+#define IRQ_TSI108_TAB_SIZE     (TSI108_MAX_VECTORS + 1)
+
+/* Mapping of MPIC outputs to processors' interrupt pins */
+
+#define IDIR_INT_OUT0           0x1
+#define IDIR_INT_OUT1           0x2
+#define IDIR_INT_OUT2           0x4
+#define IDIR_INT_OUT3           0x8
+
+/*---------------------------------------------------------------
+ * IRQ line configuration parameters */
+
+/* Interrupt delivery modes */
+typedef enum {
+        TSI108_IRQ_DIRECTED,
+        TSI108_IRQ_DISTRIBUTED,
+} TSI108_IRQ_MODE;
+#endif                          /*  _ASM_PPC_TSI108_IRQ_H */