aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-sparc/obio.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sparc/obio.h')
-rw-r--r--include/asm-sparc/obio.h249
1 files changed, 0 insertions, 249 deletions
diff --git a/include/asm-sparc/obio.h b/include/asm-sparc/obio.h
deleted file mode 100644
index 1a7544ceb574..000000000000
--- a/include/asm-sparc/obio.h
+++ /dev/null
@@ -1,249 +0,0 @@
1/*
2 * obio.h: Some useful locations in 0xFXXXXXXXX PA obio space on sun4d.
3 *
4 * Copyright (C) 1997 Jakub Jelinek <jj@sunsite.mff.cuni.cz>
5 */
6
7#ifndef _SPARC_OBIO_H
8#define _SPARC_OBIO_H
9
10#include <asm/asi.h>
11
12/* This weird monster likes to use the very upper parts of
13 36bit PA for these things :) */
14
15/* CSR space (for each XDBUS)
16 * ------------------------------------------------------------------------
17 * | 0xFE | DEVID | | XDBUS ID | |
18 * ------------------------------------------------------------------------
19 * 35 28 27 20 19 10 9 8 7 0
20 */
21
22#define CSR_BASE_ADDR 0xe0000000
23#define CSR_CPU_SHIFT (32 - 4 - 5)
24#define CSR_XDBUS_SHIFT 8
25
26#define CSR_BASE(cpu) (((CSR_BASE_ADDR >> CSR_CPU_SHIFT) + cpu) << CSR_CPU_SHIFT)
27
28/* ECSR space (not for each XDBUS)
29 * ------------------------------------------------------------------------
30 * | 0xF | DEVID[7:1] | |
31 * ------------------------------------------------------------------------
32 * 35 32 31 25 24 0
33 */
34
35#define ECSR_BASE_ADDR 0x00000000
36#define ECSR_CPU_SHIFT (32 - 5)
37#define ECSR_DEV_SHIFT (32 - 8)
38
39#define ECSR_BASE(cpu) ((cpu) << ECSR_CPU_SHIFT)
40#define ECSR_DEV_BASE(devid) ((devid) << ECSR_DEV_SHIFT)
41
42/* Bus Watcher */
43#define BW_LOCAL_BASE 0xfff00000
44
45#define BW_CID 0x00000000
46#define BW_DBUS_CTRL 0x00000008
47#define BW_DBUS_DATA 0x00000010
48#define BW_CTRL 0x00001000
49#define BW_INTR_TABLE 0x00001040
50#define BW_INTR_TABLE_CLEAR 0x00001080
51#define BW_PRESCALER 0x000010c0
52#define BW_PTIMER_LIMIT 0x00002000
53#define BW_PTIMER_COUNTER2 0x00002004
54#define BW_PTIMER_NDLIMIT 0x00002008
55#define BW_PTIMER_CTRL 0x0000200c
56#define BW_PTIMER_COUNTER 0x00002010
57#define BW_TIMER_LIMIT 0x00003000
58#define BW_TIMER_COUNTER2 0x00003004
59#define BW_TIMER_NDLIMIT 0x00003008
60#define BW_TIMER_CTRL 0x0000300c
61#define BW_TIMER_COUNTER 0x00003010
62
63/* BW Control */
64#define BW_CTRL_USER_TIMER 0x00000004 /* Is User Timer Free run enabled */
65
66/* Boot Bus */
67#define BB_LOCAL_BASE 0xf0000000
68
69#define BB_STAT1 0x00100000
70#define BB_STAT2 0x00120000
71#define BB_STAT3 0x00140000
72#define BB_LEDS 0x002e0000
73
74/* Bits in BB_STAT2 */
75#define BB_STAT2_AC_INTR 0x04 /* Aiee! 5ms and power is gone... */
76#define BB_STAT2_TMP_INTR 0x10 /* My Penguins are burning. Are you able to smell it? */
77#define BB_STAT2_FAN_INTR 0x20 /* My fan refuses to work */
78#define BB_STAT2_PWR_INTR 0x40 /* On SC2000, one of the two ACs died. Ok, we go on... */
79#define BB_STAT2_MASK (BB_STAT2_AC_INTR|BB_STAT2_TMP_INTR|BB_STAT2_FAN_INTR|BB_STAT2_PWR_INTR)
80
81/* Cache Controller */
82#define CC_BASE 0x1F00000
83#define CC_DATSTREAM 0x1F00000 /* Data stream register */
84#define CC_DATSIZE 0x1F0003F /* Size */
85#define CC_SRCSTREAM 0x1F00100 /* Source stream register */
86#define CC_DESSTREAM 0x1F00200 /* Destination stream register */
87#define CC_RMCOUNT 0x1F00300 /* Count of references and misses */
88#define CC_IPEN 0x1F00406 /* Pending Interrupts */
89#define CC_IMSK 0x1F00506 /* Interrupt Mask */
90#define CC_ICLR 0x1F00606 /* Clear pending Interrupts */
91#define CC_IGEN 0x1F00704 /* Generate Interrupt register */
92#define CC_STEST 0x1F00804 /* Internal self-test */
93#define CC_CREG 0x1F00A04 /* Control register */
94#define CC_SREG 0x1F00B00 /* Status register */
95#define CC_RREG 0x1F00C04 /* Reset register */
96#define CC_EREG 0x1F00E00 /* Error code register */
97#define CC_CID 0x1F00F04 /* Component ID */
98
99#ifndef __ASSEMBLY__
100
101static inline int bw_get_intr_mask(int sbus_level)
102{
103 int mask;
104
105 __asm__ __volatile__ ("lduha [%1] %2, %0" :
106 "=r" (mask) :
107 "r" (BW_LOCAL_BASE + BW_INTR_TABLE + (sbus_level << 3)),
108 "i" (ASI_M_CTL));
109 return mask;
110}
111
112static inline void bw_clear_intr_mask(int sbus_level, int mask)
113{
114 __asm__ __volatile__ ("stha %0, [%1] %2" : :
115 "r" (mask),
116 "r" (BW_LOCAL_BASE + BW_INTR_TABLE_CLEAR + (sbus_level << 3)),
117 "i" (ASI_M_CTL));
118}
119
120static inline unsigned bw_get_prof_limit(int cpu)
121{
122 unsigned limit;
123
124 __asm__ __volatile__ ("lda [%1] %2, %0" :
125 "=r" (limit) :
126 "r" (CSR_BASE(cpu) + BW_PTIMER_LIMIT),
127 "i" (ASI_M_CTL));
128 return limit;
129}
130
131static inline void bw_set_prof_limit(int cpu, unsigned limit)
132{
133 __asm__ __volatile__ ("sta %0, [%1] %2" : :
134 "r" (limit),
135 "r" (CSR_BASE(cpu) + BW_PTIMER_LIMIT),
136 "i" (ASI_M_CTL));
137}
138
139static inline unsigned bw_get_ctrl(int cpu)
140{
141 unsigned ctrl;
142
143 __asm__ __volatile__ ("lda [%1] %2, %0" :
144 "=r" (ctrl) :
145 "r" (CSR_BASE(cpu) + BW_CTRL),
146 "i" (ASI_M_CTL));
147 return ctrl;
148}
149
150static inline void bw_set_ctrl(int cpu, unsigned ctrl)
151{
152 __asm__ __volatile__ ("sta %0, [%1] %2" : :
153 "r" (ctrl),
154 "r" (CSR_BASE(cpu) + BW_CTRL),
155 "i" (ASI_M_CTL));
156}
157
158extern unsigned char cpu_leds[32];
159
160static inline void show_leds(int cpuid)
161{
162 cpuid &= 0x1e;
163 __asm__ __volatile__ ("stba %0, [%1] %2" : :
164 "r" ((cpu_leds[cpuid] << 4) | cpu_leds[cpuid+1]),
165 "r" (ECSR_BASE(cpuid) | BB_LEDS),
166 "i" (ASI_M_CTL));
167}
168
169static inline unsigned cc_get_ipen(void)
170{
171 unsigned pending;
172
173 __asm__ __volatile__ ("lduha [%1] %2, %0" :
174 "=r" (pending) :
175 "r" (CC_IPEN),
176 "i" (ASI_M_MXCC));
177 return pending;
178}
179
180static inline void cc_set_iclr(unsigned clear)
181{
182 __asm__ __volatile__ ("stha %0, [%1] %2" : :
183 "r" (clear),
184 "r" (CC_ICLR),
185 "i" (ASI_M_MXCC));
186}
187
188static inline unsigned cc_get_imsk(void)
189{
190 unsigned mask;
191
192 __asm__ __volatile__ ("lduha [%1] %2, %0" :
193 "=r" (mask) :
194 "r" (CC_IMSK),
195 "i" (ASI_M_MXCC));
196 return mask;
197}
198
199static inline void cc_set_imsk(unsigned mask)
200{
201 __asm__ __volatile__ ("stha %0, [%1] %2" : :
202 "r" (mask),
203 "r" (CC_IMSK),
204 "i" (ASI_M_MXCC));
205}
206
207static inline unsigned cc_get_imsk_other(int cpuid)
208{
209 unsigned mask;
210
211 __asm__ __volatile__ ("lduha [%1] %2, %0" :
212 "=r" (mask) :
213 "r" (ECSR_BASE(cpuid) | CC_IMSK),
214 "i" (ASI_M_CTL));
215 return mask;
216}
217
218static inline void cc_set_imsk_other(int cpuid, unsigned mask)
219{
220 __asm__ __volatile__ ("stha %0, [%1] %2" : :
221 "r" (mask),
222 "r" (ECSR_BASE(cpuid) | CC_IMSK),
223 "i" (ASI_M_CTL));
224}
225
226static inline void cc_set_igen(unsigned gen)
227{
228 __asm__ __volatile__ ("sta %0, [%1] %2" : :
229 "r" (gen),
230 "r" (CC_IGEN),
231 "i" (ASI_M_MXCC));
232}
233
234/* +-------+-------------+-----------+------------------------------------+
235 * | bcast | devid | sid | levels mask |
236 * +-------+-------------+-----------+------------------------------------+
237 * 31 30 23 22 15 14 0
238 */
239#define IGEN_MESSAGE(bcast, devid, sid, levels) \
240 (((bcast) << 31) | ((devid) << 23) | ((sid) << 15) | (levels))
241
242static inline void sun4d_send_ipi(int cpu, int level)
243{
244 cc_set_igen(IGEN_MESSAGE(0, cpu << 3, 6 + ((level >> 1) & 7), 1 << (level - 1)));
245}
246
247#endif /* !__ASSEMBLY__ */
248
249#endif /* !(_SPARC_OBIO_H) */
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-09 18:49:06 -0500