fhc.h
5.67 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/* $Id: fhc.h,v 1.5 1999/09/21 14:39:29 davem Exp $
* fhc.h: Structures for central/fhc pseudo driver on Sunfire/Starfire/Wildfire.
*
* Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com)
*/
#ifndef _SPARC64_FHC_H
#define _SPARC64_FHC_H
#include <linux/timer.h>
#include <asm/oplib.h>
#include <asm/upa.h>
struct linux_fhc;
/* Clock board register offsets. */
#define CLOCK_CTRL 0x00UL /* Main control */
#define CLOCK_STAT1 0x10UL /* Status one */
#define CLOCK_STAT2 0x20UL /* Status two */
#define CLOCK_PWRSTAT 0x30UL /* Power status */
#define CLOCK_PWRPRES 0x40UL /* Power presence */
#define CLOCK_TEMP 0x50UL /* Temperature */
#define CLOCK_IRQDIAG 0x60UL /* IRQ diagnostics */
#define CLOCK_PWRSTAT2 0x70UL /* Power status two */
#define CLOCK_CTRL_LLED 0x04 /* Left LED, 0 == on */
#define CLOCK_CTRL_MLED 0x02 /* Mid LED, 1 == on */
#define CLOCK_CTRL_RLED 0x01 /* RIght LED, 1 == on */
struct linux_central {
struct linux_fhc *child;
unsigned long cfreg;
unsigned long clkregs;
unsigned long clkver;
int slots;
int prom_node;
char prom_name[64];
struct linux_prom_ranges central_ranges[PROMREG_MAX];
int num_central_ranges;
};
/* Firehose controller register offsets */
struct fhc_regs {
unsigned long pregs; /* FHC internal regs */
#define FHC_PREGS_ID 0x00UL /* FHC ID */
#define FHC_ID_VERS 0xf0000000 /* Version of this FHC */
#define FHC_ID_PARTID 0x0ffff000 /* Part ID code (0x0f9f == FHC) */
#define FHC_ID_MANUF 0x0000007e /* Manufacturer (0x3e == SUN's JEDEC)*/
#define FHC_ID_RESV 0x00000001 /* Read as one */
#define FHC_PREGS_RCS 0x10UL /* FHC Reset Control/Status Register */
#define FHC_RCS_POR 0x80000000 /* Last reset was a power cycle */
#define FHC_RCS_SPOR 0x40000000 /* Last reset was sw power on reset */
#define FHC_RCS_SXIR 0x20000000 /* Last reset was sw XIR reset */
#define FHC_RCS_BPOR 0x10000000 /* Last reset was due to POR button */
#define FHC_RCS_BXIR 0x08000000 /* Last reset was due to XIR button */
#define FHC_RCS_WEVENT 0x04000000 /* CPU reset was due to wakeup event */
#define FHC_RCS_CFATAL 0x02000000 /* Centerplane Fatal Error signalled */
#define FHC_RCS_FENAB 0x01000000 /* Fatal errors elicit system reset */
#define FHC_PREGS_CTRL 0x20UL /* FHC Control Register */
#define FHC_CONTROL_ICS 0x00100000 /* Ignore Centerplane Signals */
#define FHC_CONTROL_FRST 0x00080000 /* Fatal Error Reset Enable */
#define FHC_CONTROL_LFAT 0x00040000 /* AC/DC signalled a local error */
#define FHC_CONTROL_SLINE 0x00010000 /* Firmware Synchronization Line */
#define FHC_CONTROL_DCD 0x00008000 /* DC-->DC Converter Disable */
#define FHC_CONTROL_POFF 0x00004000 /* AC/DC Controller PLL Disable */
#define FHC_CONTROL_FOFF 0x00002000 /* FHC Controller PLL Disable */
#define FHC_CONTROL_AOFF 0x00001000 /* CPU A SRAM/SBD Low Power Mode */
#define FHC_CONTROL_BOFF 0x00000800 /* CPU B SRAM/SBD Low Power Mode */
#define FHC_CONTROL_PSOFF 0x00000400 /* Turns off this FHC's power supply */
#define FHC_CONTROL_IXIST 0x00000200 /* 0=FHC tells clock board it exists */
#define FHC_CONTROL_XMSTR 0x00000100 /* 1=Causes this FHC to be XIR master*/
#define FHC_CONTROL_LLED 0x00000040 /* 0=Left LED ON */
#define FHC_CONTROL_MLED 0x00000020 /* 1=Middle LED ON */
#define FHC_CONTROL_RLED 0x00000010 /* 1=Right LED */
#define FHC_CONTROL_BPINS 0x00000003 /* Spare Bidirectional Pins */
#define FHC_PREGS_BSR 0x30UL /* FHC Board Status Register */
#define FHC_BSR_DA64 0x00040000 /* Port A: 0=128bit 1=64bit data path */
#define FHC_BSR_DB64 0x00020000 /* Port B: 0=128bit 1=64bit data path */
#define FHC_BSR_BID 0x0001e000 /* Board ID */
#define FHC_BSR_SA 0x00001c00 /* Port A UPA Speed (from the pins) */
#define FHC_BSR_SB 0x00000380 /* Port B UPA Speed (from the pins) */
#define FHC_BSR_NDIAG 0x00000040 /* Not in Diag Mode */
#define FHC_BSR_NTBED 0x00000020 /* Not in TestBED Mode */
#define FHC_BSR_NIA 0x0000001c /* Jumper, bit 18 in PROM space */
#define FHC_BSR_SI 0x00000001 /* Spare input pin value */
#define FHC_PREGS_ECC 0x40UL /* FHC ECC Control Register (16 bits) */
#define FHC_PREGS_JCTRL 0xf0UL /* FHC JTAG Control Register */
#define FHC_JTAG_CTRL_MENAB 0x80000000 /* Indicates this is JTAG Master */
#define FHC_JTAG_CTRL_MNONE 0x40000000 /* Indicates no JTAG Master present */
#define FHC_PREGS_JCMD 0x100UL /* FHC JTAG Command Register */
unsigned long ireg; /* FHC IGN reg */
#define FHC_IREG_IGN 0x00UL /* This FHC's IGN */
unsigned long ffregs; /* FHC fanfail regs */
#define FHC_FFREGS_IMAP 0x00UL /* FHC Fanfail IMAP */
#define FHC_FFREGS_ICLR 0x10UL /* FHC Fanfail ICLR */
unsigned long sregs; /* FHC system regs */
#define FHC_SREGS_IMAP 0x00UL /* FHC System IMAP */
#define FHC_SREGS_ICLR 0x10UL /* FHC System ICLR */
unsigned long uregs; /* FHC uart regs */
#define FHC_UREGS_IMAP 0x00UL /* FHC Uart IMAP */
#define FHC_UREGS_ICLR 0x10UL /* FHC Uart ICLR */
unsigned long tregs; /* FHC TOD regs */
#define FHC_TREGS_IMAP 0x00UL /* FHC TOD IMAP */
#define FHC_TREGS_ICLR 0x10UL /* FHC TOD ICLR */
};
struct linux_fhc {
struct linux_fhc *next;
struct linux_central *parent; /* NULL if not central FHC */
struct fhc_regs fhc_regs;
int board;
int jtag_master;
int prom_node;
char prom_name[64];
struct linux_prom_ranges fhc_ranges[PROMREG_MAX];
int num_fhc_ranges;
};
extern struct linux_central *central_bus;
extern void apply_central_ranges(struct linux_central *central,
struct linux_prom_registers *regs,
int nregs);
extern void apply_fhc_ranges(struct linux_fhc *fhc,
struct linux_prom_registers *regs,
int nregs);
#endif /* !(_SPARC64_FHC_H) */