diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/pgalloc.h | 2 | ||||
| -rw-r--r-- | include/asm-powerpc/system.h | 9 | ||||
| -rw-r--r-- | include/asm-powerpc/tsi108.h | 14 | ||||
| -rw-r--r-- | include/asm-powerpc/tsi108_irq.h | 124 |
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 */ |