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1 | /* $Id: fhc.h,v 1.5 1999/09/21 14:39:29 davem Exp $ |
2 | * fhc.h: Structures for central/fhc pseudo driver on Sunfire/Starfire/Wildfire. | |
3 | * | |
4 | * Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com) | |
5 | */ | |
6 | ||
7 | #ifndef _SPARC64_FHC_H | |
8 | #define _SPARC64_FHC_H | |
9 | ||
10 | #include <linux/timer.h> | |
11 | ||
12 | #include <asm/oplib.h> | |
cecc4e92 | 13 | #include <asm/prom.h> |
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14 | #include <asm/upa.h> |
15 | ||
16 | struct linux_fhc; | |
17 | ||
18 | /* Clock board register offsets. */ | |
19 | #define CLOCK_CTRL 0x00UL /* Main control */ | |
20 | #define CLOCK_STAT1 0x10UL /* Status one */ | |
21 | #define CLOCK_STAT2 0x20UL /* Status two */ | |
22 | #define CLOCK_PWRSTAT 0x30UL /* Power status */ | |
23 | #define CLOCK_PWRPRES 0x40UL /* Power presence */ | |
24 | #define CLOCK_TEMP 0x50UL /* Temperature */ | |
25 | #define CLOCK_IRQDIAG 0x60UL /* IRQ diagnostics */ | |
26 | #define CLOCK_PWRSTAT2 0x70UL /* Power status two */ | |
27 | ||
28 | #define CLOCK_CTRL_LLED 0x04 /* Left LED, 0 == on */ | |
29 | #define CLOCK_CTRL_MLED 0x02 /* Mid LED, 1 == on */ | |
30 | #define CLOCK_CTRL_RLED 0x01 /* RIght LED, 1 == on */ | |
31 | ||
32 | struct linux_central { | |
33 | struct linux_fhc *child; | |
34 | unsigned long cfreg; | |
35 | unsigned long clkregs; | |
36 | unsigned long clkver; | |
37 | int slots; | |
cecc4e92 | 38 | struct device_node *prom_node; |
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39 | |
40 | struct linux_prom_ranges central_ranges[PROMREG_MAX]; | |
41 | int num_central_ranges; | |
42 | }; | |
43 | ||
44 | /* Firehose controller register offsets */ | |
45 | struct fhc_regs { | |
46 | unsigned long pregs; /* FHC internal regs */ | |
47 | #define FHC_PREGS_ID 0x00UL /* FHC ID */ | |
48 | #define FHC_ID_VERS 0xf0000000 /* Version of this FHC */ | |
49 | #define FHC_ID_PARTID 0x0ffff000 /* Part ID code (0x0f9f == FHC) */ | |
50 | #define FHC_ID_MANUF 0x0000007e /* Manufacturer (0x3e == SUN's JEDEC)*/ | |
51 | #define FHC_ID_RESV 0x00000001 /* Read as one */ | |
52 | #define FHC_PREGS_RCS 0x10UL /* FHC Reset Control/Status Register */ | |
53 | #define FHC_RCS_POR 0x80000000 /* Last reset was a power cycle */ | |
54 | #define FHC_RCS_SPOR 0x40000000 /* Last reset was sw power on reset */ | |
55 | #define FHC_RCS_SXIR 0x20000000 /* Last reset was sw XIR reset */ | |
56 | #define FHC_RCS_BPOR 0x10000000 /* Last reset was due to POR button */ | |
57 | #define FHC_RCS_BXIR 0x08000000 /* Last reset was due to XIR button */ | |
58 | #define FHC_RCS_WEVENT 0x04000000 /* CPU reset was due to wakeup event */ | |
59 | #define FHC_RCS_CFATAL 0x02000000 /* Centerplane Fatal Error signalled */ | |
60 | #define FHC_RCS_FENAB 0x01000000 /* Fatal errors elicit system reset */ | |
61 | #define FHC_PREGS_CTRL 0x20UL /* FHC Control Register */ | |
62 | #define FHC_CONTROL_ICS 0x00100000 /* Ignore Centerplane Signals */ | |
63 | #define FHC_CONTROL_FRST 0x00080000 /* Fatal Error Reset Enable */ | |
64 | #define FHC_CONTROL_LFAT 0x00040000 /* AC/DC signalled a local error */ | |
65 | #define FHC_CONTROL_SLINE 0x00010000 /* Firmware Synchronization Line */ | |
66 | #define FHC_CONTROL_DCD 0x00008000 /* DC-->DC Converter Disable */ | |
67 | #define FHC_CONTROL_POFF 0x00004000 /* AC/DC Controller PLL Disable */ | |
68 | #define FHC_CONTROL_FOFF 0x00002000 /* FHC Controller PLL Disable */ | |
69 | #define FHC_CONTROL_AOFF 0x00001000 /* CPU A SRAM/SBD Low Power Mode */ | |
70 | #define FHC_CONTROL_BOFF 0x00000800 /* CPU B SRAM/SBD Low Power Mode */ | |
71 | #define FHC_CONTROL_PSOFF 0x00000400 /* Turns off this FHC's power supply */ | |
72 | #define FHC_CONTROL_IXIST 0x00000200 /* 0=FHC tells clock board it exists */ | |
73 | #define FHC_CONTROL_XMSTR 0x00000100 /* 1=Causes this FHC to be XIR master*/ | |
74 | #define FHC_CONTROL_LLED 0x00000040 /* 0=Left LED ON */ | |
75 | #define FHC_CONTROL_MLED 0x00000020 /* 1=Middle LED ON */ | |
76 | #define FHC_CONTROL_RLED 0x00000010 /* 1=Right LED */ | |
77 | #define FHC_CONTROL_BPINS 0x00000003 /* Spare Bidirectional Pins */ | |
78 | #define FHC_PREGS_BSR 0x30UL /* FHC Board Status Register */ | |
79 | #define FHC_BSR_DA64 0x00040000 /* Port A: 0=128bit 1=64bit data path */ | |
80 | #define FHC_BSR_DB64 0x00020000 /* Port B: 0=128bit 1=64bit data path */ | |
81 | #define FHC_BSR_BID 0x0001e000 /* Board ID */ | |
82 | #define FHC_BSR_SA 0x00001c00 /* Port A UPA Speed (from the pins) */ | |
83 | #define FHC_BSR_SB 0x00000380 /* Port B UPA Speed (from the pins) */ | |
84 | #define FHC_BSR_NDIAG 0x00000040 /* Not in Diag Mode */ | |
85 | #define FHC_BSR_NTBED 0x00000020 /* Not in TestBED Mode */ | |
86 | #define FHC_BSR_NIA 0x0000001c /* Jumper, bit 18 in PROM space */ | |
87 | #define FHC_BSR_SI 0x00000001 /* Spare input pin value */ | |
88 | #define FHC_PREGS_ECC 0x40UL /* FHC ECC Control Register (16 bits) */ | |
89 | #define FHC_PREGS_JCTRL 0xf0UL /* FHC JTAG Control Register */ | |
90 | #define FHC_JTAG_CTRL_MENAB 0x80000000 /* Indicates this is JTAG Master */ | |
91 | #define FHC_JTAG_CTRL_MNONE 0x40000000 /* Indicates no JTAG Master present */ | |
92 | #define FHC_PREGS_JCMD 0x100UL /* FHC JTAG Command Register */ | |
93 | unsigned long ireg; /* FHC IGN reg */ | |
94 | #define FHC_IREG_IGN 0x00UL /* This FHC's IGN */ | |
95 | unsigned long ffregs; /* FHC fanfail regs */ | |
96 | #define FHC_FFREGS_IMAP 0x00UL /* FHC Fanfail IMAP */ | |
97 | #define FHC_FFREGS_ICLR 0x10UL /* FHC Fanfail ICLR */ | |
98 | unsigned long sregs; /* FHC system regs */ | |
99 | #define FHC_SREGS_IMAP 0x00UL /* FHC System IMAP */ | |
100 | #define FHC_SREGS_ICLR 0x10UL /* FHC System ICLR */ | |
101 | unsigned long uregs; /* FHC uart regs */ | |
102 | #define FHC_UREGS_IMAP 0x00UL /* FHC Uart IMAP */ | |
103 | #define FHC_UREGS_ICLR 0x10UL /* FHC Uart ICLR */ | |
104 | unsigned long tregs; /* FHC TOD regs */ | |
105 | #define FHC_TREGS_IMAP 0x00UL /* FHC TOD IMAP */ | |
106 | #define FHC_TREGS_ICLR 0x10UL /* FHC TOD ICLR */ | |
107 | }; | |
108 | ||
109 | struct linux_fhc { | |
110 | struct linux_fhc *next; | |
111 | struct linux_central *parent; /* NULL if not central FHC */ | |
112 | struct fhc_regs fhc_regs; | |
113 | int board; | |
114 | int jtag_master; | |
cecc4e92 | 115 | struct device_node *prom_node; |
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116 | |
117 | struct linux_prom_ranges fhc_ranges[PROMREG_MAX]; | |
118 | int num_fhc_ranges; | |
119 | }; | |
120 | ||
121 | extern struct linux_central *central_bus; | |
122 | ||
123 | extern void apply_central_ranges(struct linux_central *central, | |
124 | struct linux_prom_registers *regs, | |
125 | int nregs); | |
126 | ||
127 | extern void apply_fhc_ranges(struct linux_fhc *fhc, | |
128 | struct linux_prom_registers *regs, | |
129 | int nregs); | |
130 | ||
131 | #endif /* !(_SPARC64_FHC_H) */ |