asm/sgi/mc.h

16 struct sgimc_regs {  struct
17 	u32 _unused0;
18 	volatile u32 cpuctrl0;	/* CPU control register 0, readwrite */
38 	u32 _unused1;
39 	volatile u32 cpuctrl1;	/* CPU control register 1, readwrite */
48 	u32 _unused2;
49 	volatile u32 watchdogt; /* Watchdog reg rdonly, write clears */
51 	u32 _unused3;
52 	volatile u32 systemid;	/* MC system ID register, readonly */
56 	u32 _unused4[3];
57 	volatile u32 divider;	/* Divider reg for RPSS */
59 	u32 _unused5;
60 	u32 eeprom;		/* EEPROM byte reg for r4k */
67 	u32 _unused6[3];
68 	volatile u32 rcntpre;	/* Preload refresh counter */
70 	u32 _unused7;
71 	volatile u32 rcounter;	/* Readonly refresh counter */
73 	u32 _unused8[13];
74 	volatile u32 giopar;	/* Parameter word for GIO64 */
92 	u32 _unused9;
93 	volatile u32 cputp;	/* CPU bus arb time period */
95 	u32 _unused10[3];
96 	volatile u32 lbursttp;	/* Time period for long bursts */
100 	u32 _unused11[9];
101 	volatile u32 mconfig0;	/* Memory config register zero */
102 	u32 _unused12;
103 	volatile u32 mconfig1;	/* Memory config register one */
109 	u32 _unused13;
110 	volatile u32 cmacc;	   /* Mem access config for CPU */
111 	u32 _unused14;
112 	volatile u32 gmacc;	   /* Mem access config for GIO */
118 	u32 _unused15;
119 	volatile u32 cerr;	/* Error address reg for CPU */
120 	u32 _unused16;
121 	volatile u32 cstat;	/* Status reg for CPU */
131 	u32 _unused17;
132 	volatile u32 gerr;	/* Error address reg for GIO */
133 	u32 _unused18;
134 	volatile u32 gstat;	/* Status reg for GIO */
145 	u32 _unused19;
146 	volatile u32 syssembit;		/* Uni-bit system semaphore */
147 	u32 _unused20;
148 	volatile u32 mlock;		/* Global GIO memory access lock */
149 	u32 _unused21;
150 	volatile u32 elock;		/* Locks EISA from GIO accesses */
153 	u32 _unused22[15];
154 	volatile u32 gio_dma_trans;	/* DMA mask to translation GIO addrs */
155 	u32 _unused23;
156 	volatile u32 gio_dma_sbits;	/* DMA GIO addr substitution bits */
157 	u32 _unused24;
158 	volatile u32 dma_intr_cause;	/* DMA IRQ cause indicator bits */
159 	u32 _unused25;
160 	volatile u32 dma_ctrl;		/* Main DMA control reg */
163 	u32 _unused26[5];
164 	volatile u32 dtlb_hi0;
165 	u32 _unused27;
166 	volatile u32 dtlb_lo0;
169 	u32 _unused28;
170 	volatile u32 dtlb_hi1;
171 	u32 _unused29;
172 	volatile u32 dtlb_lo1;
175 	u32 _unused30;
176 	volatile u32 dtlb_hi2;
177 	u32 _unused31;
178 	volatile u32 dtlb_lo2;
181 	u32 _unused32;
182 	volatile u32 dtlb_hi3;
183 	u32 _unused33;
184 	volatile u32 dtlb_lo3;
186 	u32 _unused34[0x0392];
188 	u32 _unused35;
189 	volatile u32 rpsscounter;	/* Chirps at 100ns */
191 	u32 _unused36[0x1000/4-2*4];
193 	u32 _unused37;
217 extern struct sgimc_regs *sgimc;  argument