/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Derived from IRIX <sys/SN/SN0/hubpi.h>, revision 1.28. * * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc. * Copyright (C) 1999 by Ralf Baechle
*/ #ifndef _ASM_SN_SN0_HUBPI_H #define _ASM_SN_SN0_HUBPI_H
#include <linux/types.h>
/* * Hub I/O interface registers * * All registers in this file are subject to change until Hub chip tapeout. * All register "addresses" are actually offsets. Use the LOCAL_HUB * or REMOTE_HUB macros to synthesize an actual address
*/
#define PI_BASE 0x000000
/* General protection and control registers */
#define PI_CPU_PROTECT 0x000000 /* CPU Protection */ #define PI_PROT_OVERRD 0x000008 /* Clear CPU Protection bit */ #define PI_IO_PROTECT 0x000010 /* Interrupt Pending Protection */ #define PI_REGION_PRESENT 0x000018 /* Indicates whether region exists */ #define PI_CPU_NUM 0x000020 /* CPU Number ID */ #define PI_CALIAS_SIZE 0x000028 /* Cached Alias Size */ #define PI_MAX_CRB_TIMEOUT 0x000030 /* Maximum Timeout for CRB */ #define PI_CRB_SFACTOR 0x000038 /* Scale factor for CRB timeout */
#define PI_CPU_PRESENT_A 0x000040 /* CPU Present A */ #define PI_CPU_PRESENT_B 0x000048 /* CPU Present B */ #define PI_CPU_ENABLE_A 0x000050 /* CPU Enable A */ #define PI_CPU_ENABLE_B 0x000058 /* CPU Enable B */ #define PI_REPLY_LEVEL 0x000060 /* Reply Level */ #define PI_HARDRESET_BIT 0x020068 /* Bit cleared by s/w on SR */ #define PI_NMI_A 0x000070 /* NMI to CPU A */ #define PI_NMI_B 0x000078 /* NMI to CPU B */ #define PI_NMI_OFFSET (PI_NMI_B - PI_NMI_A) #define PI_SOFTRESET 0x000080 /* Softreset (to both CPUs) */
/* Regular Interrupt register checking. */
#define PI_INT_PEND_MOD 0x000090 /* Write to set pending ints */ #define PI_INT_PEND0 0x000098 /* Read to get pending ints */ #define PI_INT_PEND1 0x0000a0 /* Read to get pending ints */ #define PI_INT_MASK0_A 0x0000a8 /* Interrupt Mask 0 for CPU A */ #define PI_INT_MASK1_A 0x0000b0 /* Interrupt Mask 1 for CPU A */ #define PI_INT_MASK0_B 0x0000b8 /* Interrupt Mask 0 for CPU B */ #define PI_INT_MASK1_B 0x0000c0 /* Interrupt Mask 1 for CPU B */
#define PI_INT_MASK_OFFSET 0x10 /* Offset from A to B */
/* Crosscall interrupts */
#define PI_CC_PEND_SET_A 0x0000c8 /* CC Interrupt Pending Set, CPU A */ #define PI_CC_PEND_SET_B 0x0000d0 /* CC Interrupt Pending Set, CPU B */ #define PI_CC_PEND_CLR_A 0x0000d8 /* CC Interrupt Pending Clr, CPU A */ #define PI_CC_PEND_CLR_B 0x0000e0 /* CC Interrupt Pending Clr, CPU B */ #define PI_CC_MASK 0x0000e8 /* CC Interrupt mask */
#define PI_INT_SET_OFFSET 0x08 /* Offset from A to B */
/* Realtime Counter and Profiler control registers */
#define PI_RT_COUNT 0x030100 /* Real Time Counter */ #define PI_RT_COMPARE_A 0x000108 /* Real Time Compare A */ #define PI_RT_COMPARE_B 0x000110 /* Real Time Compare B */ #define PI_PROFILE_COMPARE 0x000118 /* L5 int to both cpus when == RTC */ #define PI_RT_PEND_A 0x000120 /* Set if RT int for A pending */ #define PI_RT_PEND_B 0x000128 /* Set if RT int for B pending */ #define PI_PROF_PEND_A 0x000130 /* Set if Prof int for A pending */ #define PI_PROF_PEND_B 0x000138 /* Set if Prof int for B pending */ #define PI_RT_EN_A 0x000140 /* RT int for CPU A enable */ #define PI_RT_EN_B 0x000148 /* RT int for CPU B enable */ #define PI_PROF_EN_A 0x000150 /* PROF int for CPU A enable */ #define PI_PROF_EN_B 0x000158 /* PROF int for CPU B enable */ #define PI_RT_LOCAL_CTRL 0x000160 /* RT control register */ #define PI_RT_FILTER_CTRL 0x000168 /* GCLK Filter control register */
#define PI_COUNT_OFFSET 0x08 /* A to B offset for all counts */
/* Built-In Self Test support */
#define PI_BIST_WRITE_DATA 0x000200 /* BIST write data */ #define PI_BIST_READ_DATA 0x000208 /* BIST read data */ #define PI_BIST_COUNT_TARG 0x000210 /* BIST Count and Target */ #define PI_BIST_READY 0x000218 /* BIST Ready indicator */ #define PI_BIST_SHIFT_LOAD 0x000220 /* BIST control */ #define PI_BIST_SHIFT_UNLOAD 0x000228 /* BIST control */ #define PI_BIST_ENTER_RUN 0x000230 /* BIST control */
/* Graphics control registers */
#define PI_GFX_PAGE_A 0x000300 /* Graphics page A */ #define PI_GFX_CREDIT_CNTR_A 0x000308 /* Graphics credit counter A */ #define PI_GFX_BIAS_A 0x000310 /* Graphics bias A */ #define PI_GFX_INT_CNTR_A 0x000318 /* Graphics interrupt counter A */ #define PI_GFX_INT_CMP_A 0x000320 /* Graphics interrupt comparator A */ #define PI_GFX_PAGE_B 0x000328 /* Graphics page B */ #define PI_GFX_CREDIT_CNTR_B 0x000330 /* Graphics credit counter B */ #define PI_GFX_BIAS_B 0x000338 /* Graphics bias B */ #define PI_GFX_INT_CNTR_B 0x000340 /* Graphics interrupt counter B */ #define PI_GFX_INT_CMP_B 0x000348 /* Graphics interrupt comparator B */
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