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5e983ff6 | 1 | /* |
6f7a251a | 2 | * Copyright (C) 2009 Lemote, Inc. |
5e983ff6 WZ |
3 | * Author: Wu Zhangjin <wuzj@lemote.com> |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the | |
7 | * Free Software Foundation; either version 2 of the License, or (at your | |
8 | * option) any later version. | |
9 | * | |
10 | */ | |
11 | ||
12 | #ifndef __ASM_MACH_LOONGSON_LOONGSON_H | |
13 | #define __ASM_MACH_LOONGSON_LOONGSON_H | |
14 | ||
15 | #include <linux/io.h> | |
16 | #include <linux/init.h> | |
17 | ||
5e983ff6 WZ |
18 | /* loongson internal northbridge initialization */ |
19 | extern void bonito_irq_init(void); | |
20 | ||
85749d24 WZ |
21 | /* machine-specific reboot/halt operation */ |
22 | extern void mach_prepare_reboot(void); | |
23 | extern void mach_prepare_shutdown(void); | |
24 | ||
5e983ff6 WZ |
25 | /* environment arguments from bootloader */ |
26 | extern unsigned long bus_clock, cpu_clock_freq; | |
27 | extern unsigned long memsize, highmemsize; | |
28 | ||
29 | /* loongson-specific command line, env and memory initialization */ | |
30 | extern void __init prom_init_memory(void); | |
31 | extern void __init prom_init_cmdline(void); | |
04cfb90a | 32 | extern void __init prom_init_machtype(void); |
5e983ff6 | 33 | extern void __init prom_init_env(void); |
a3ed4951 WZ |
34 | extern unsigned long _loongson_uart_base; |
35 | extern unsigned long uart8250_base[]; | |
36 | extern void prom_init_uart_base(void); | |
5e983ff6 | 37 | |
85749d24 WZ |
38 | /* irq operation functions */ |
39 | extern void bonito_irqdispatch(void); | |
40 | extern void __init bonito_irq_init(void); | |
41 | extern void __init set_irq_trigger_mode(void); | |
42 | extern void __init mach_init_irq(void); | |
43 | extern void mach_irq_dispatch(unsigned int pending); | |
44 | ||
2ee98e0f WZ |
45 | /* We need this in some places... */ |
46 | #define delay() ({ \ | |
47 | int x; \ | |
48 | for (x = 0; x < 100000; x++) \ | |
49 | __asm__ __volatile__(""); \ | |
50 | }) | |
51 | ||
e2fee572 WZ |
52 | #define LOONGSON_REG(x) \ |
53 | (*(volatile u32 *)((char *)CKSEG1ADDR(LOONGSON_REG_BASE) + (x))) | |
54 | ||
55 | #define LOONGSON_IRQ_BASE 32 | |
56 | #define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6) /* cpu perf counter */ | |
57 | ||
58 | #define LOONGSON_FLASH_BASE 0x1c000000 | |
59 | #define LOONGSON_FLASH_SIZE 0x02000000 /* 32M */ | |
60 | #define LOONGSON_FLASH_TOP (LOONGSON_FLASH_BASE+LOONGSON_FLASH_SIZE-1) | |
61 | ||
62 | #define LOONGSON_LIO0_BASE 0x1e000000 | |
63 | #define LOONGSON_LIO0_SIZE 0x01C00000 /* 28M */ | |
64 | #define LOONGSON_LIO0_TOP (LOONGSON_LIO0_BASE+LOONGSON_LIO0_SIZE-1) | |
65 | ||
66 | #define LOONGSON_BOOT_BASE 0x1fc00000 | |
67 | #define LOONGSON_BOOT_SIZE 0x00100000 /* 1M */ | |
68 | #define LOONGSON_BOOT_TOP (LOONGSON_BOOT_BASE+LOONGSON_BOOT_SIZE-1) | |
69 | #define LOONGSON_REG_BASE 0x1fe00000 | |
70 | #define LOONGSON_REG_SIZE 0x00100000 /* 256Bytes + 256Bytes + ??? */ | |
71 | #define LOONGSON_REG_TOP (LOONGSON_REG_BASE+LOONGSON_REG_SIZE-1) | |
72 | ||
73 | #define LOONGSON_LIO1_BASE 0x1ff00000 | |
74 | #define LOONGSON_LIO1_SIZE 0x00100000 /* 1M */ | |
75 | #define LOONGSON_LIO1_TOP (LOONGSON_LIO1_BASE+LOONGSON_LIO1_SIZE-1) | |
76 | ||
77 | #define LOONGSON_PCILO0_BASE 0x10000000 | |
78 | #define LOONGSON_PCILO1_BASE 0x14000000 | |
79 | #define LOONGSON_PCILO2_BASE 0x18000000 | |
80 | #define LOONGSON_PCILO_BASE LOONGSON_PCILO0_BASE | |
81 | #define LOONGSON_PCILO_SIZE 0x0c000000 /* 64M * 3 */ | |
82 | #define LOONGSON_PCILO_TOP (LOONGSON_PCILO0_BASE+LOONGSON_PCILO_SIZE-1) | |
83 | ||
84 | #define LOONGSON_PCICFG_BASE 0x1fe80000 | |
85 | #define LOONGSON_PCICFG_SIZE 0x00000800 /* 2K */ | |
86 | #define LOONGSON_PCICFG_TOP (LOONGSON_PCICFG_BASE+LOONGSON_PCICFG_SIZE-1) | |
87 | #define LOONGSON_PCIIO_BASE 0x1fd00000 | |
88 | #define LOONGSON_PCIIO_SIZE 0x00100000 /* 1M */ | |
89 | #define LOONGSON_PCIIO_TOP (LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1) | |
90 | ||
91 | /* Loongson Register Bases */ | |
92 | ||
93 | #define LOONGSON_PCICONFIGBASE 0x00 | |
94 | #define LOONGSON_REGBASE 0x100 | |
95 | ||
f7face03 | 96 | /* PCI Configuration Registers */ |
e2fee572 WZ |
97 | |
98 | #define LOONGSON_PCI_REG(x) LOONGSON_REG(LOONGSON_PCICONFIGBASE + (x)) | |
99 | #define LOONGSON_PCIDID LOONGSON_PCI_REG(0x00) | |
100 | #define LOONGSON_PCICMD LOONGSON_PCI_REG(0x04) | |
101 | #define LOONGSON_PCICLASS LOONGSON_PCI_REG(0x08) | |
102 | #define LOONGSON_PCILTIMER LOONGSON_PCI_REG(0x0c) | |
103 | #define LOONGSON_PCIBASE0 LOONGSON_PCI_REG(0x10) | |
104 | #define LOONGSON_PCIBASE1 LOONGSON_PCI_REG(0x14) | |
105 | #define LOONGSON_PCIBASE2 LOONGSON_PCI_REG(0x18) | |
106 | #define LOONGSON_PCIBASE3 LOONGSON_PCI_REG(0x1c) | |
107 | #define LOONGSON_PCIBASE4 LOONGSON_PCI_REG(0x20) | |
108 | #define LOONGSON_PCIEXPRBASE LOONGSON_PCI_REG(0x30) | |
109 | #define LOONGSON_PCIINT LOONGSON_PCI_REG(0x3c) | |
110 | ||
111 | #define LOONGSON_PCI_ISR4C LOONGSON_PCI_REG(0x4c) | |
112 | ||
113 | #define LOONGSON_PCICMD_PERR_CLR 0x80000000 | |
114 | #define LOONGSON_PCICMD_SERR_CLR 0x40000000 | |
115 | #define LOONGSON_PCICMD_MABORT_CLR 0x20000000 | |
116 | #define LOONGSON_PCICMD_MTABORT_CLR 0x10000000 | |
117 | #define LOONGSON_PCICMD_TABORT_CLR 0x08000000 | |
118 | #define LOONGSON_PCICMD_MPERR_CLR 0x01000000 | |
119 | #define LOONGSON_PCICMD_PERRRESPEN 0x00000040 | |
120 | #define LOONGSON_PCICMD_ASTEPEN 0x00000080 | |
121 | #define LOONGSON_PCICMD_SERREN 0x00000100 | |
122 | #define LOONGSON_PCILTIMER_BUSLATENCY 0x0000ff00 | |
123 | #define LOONGSON_PCILTIMER_BUSLATENCY_SHIFT 8 | |
124 | ||
125 | /* Loongson h/w Configuration */ | |
126 | ||
127 | #define LOONGSON_GENCFG_OFFSET 0x4 | |
128 | #define LOONGSON_GENCFG LOONGSON_REG(LOONGSON_REGBASE + LOONGSON_GENCFG_OFFSET) | |
129 | ||
130 | #define LOONGSON_GENCFG_DEBUGMODE 0x00000001 | |
131 | #define LOONGSON_GENCFG_SNOOPEN 0x00000002 | |
132 | #define LOONGSON_GENCFG_CPUSELFRESET 0x00000004 | |
133 | ||
134 | #define LOONGSON_GENCFG_FORCE_IRQA 0x00000008 | |
135 | #define LOONGSON_GENCFG_IRQA_ISOUT 0x00000010 | |
136 | #define LOONGSON_GENCFG_IRQA_FROM_INT1 0x00000020 | |
137 | #define LOONGSON_GENCFG_BYTESWAP 0x00000040 | |
138 | ||
139 | #define LOONGSON_GENCFG_UNCACHED 0x00000080 | |
140 | #define LOONGSON_GENCFG_PREFETCHEN 0x00000100 | |
141 | #define LOONGSON_GENCFG_WBEHINDEN 0x00000200 | |
142 | #define LOONGSON_GENCFG_CACHEALG 0x00000c00 | |
143 | #define LOONGSON_GENCFG_CACHEALG_SHIFT 10 | |
144 | #define LOONGSON_GENCFG_PCIQUEUE 0x00001000 | |
145 | #define LOONGSON_GENCFG_CACHESTOP 0x00002000 | |
146 | #define LOONGSON_GENCFG_MSTRBYTESWAP 0x00004000 | |
147 | #define LOONGSON_GENCFG_BUSERREN 0x00008000 | |
148 | #define LOONGSON_GENCFG_NORETRYTIMEOUT 0x00010000 | |
149 | #define LOONGSON_GENCFG_SHORTCOPYTIMEOUT 0x00020000 | |
150 | ||
151 | /* PCI address map control */ | |
152 | ||
153 | #define LOONGSON_PCIMAP LOONGSON_REG(LOONGSON_REGBASE + 0x10) | |
154 | #define LOONGSON_PCIMEMBASECFG LOONGSON_REG(LOONGSON_REGBASE + 0x14) | |
155 | #define LOONGSON_PCIMAP_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x18) | |
156 | ||
157 | /* GPIO Regs - r/w */ | |
158 | ||
159 | #define LOONGSON_GPIODATA LOONGSON_REG(LOONGSON_REGBASE + 0x1c) | |
160 | #define LOONGSON_GPIOIE LOONGSON_REG(LOONGSON_REGBASE + 0x20) | |
161 | ||
162 | /* ICU Configuration Regs - r/w */ | |
163 | ||
164 | #define LOONGSON_INTEDGE LOONGSON_REG(LOONGSON_REGBASE + 0x24) | |
165 | #define LOONGSON_INTSTEER LOONGSON_REG(LOONGSON_REGBASE + 0x28) | |
166 | #define LOONGSON_INTPOL LOONGSON_REG(LOONGSON_REGBASE + 0x2c) | |
167 | ||
168 | /* ICU Enable Regs - IntEn & IntISR are r/o. */ | |
169 | ||
170 | #define LOONGSON_INTENSET LOONGSON_REG(LOONGSON_REGBASE + 0x30) | |
171 | #define LOONGSON_INTENCLR LOONGSON_REG(LOONGSON_REGBASE + 0x34) | |
172 | #define LOONGSON_INTEN LOONGSON_REG(LOONGSON_REGBASE + 0x38) | |
173 | #define LOONGSON_INTISR LOONGSON_REG(LOONGSON_REGBASE + 0x3c) | |
174 | ||
175 | /* ICU */ | |
176 | #define LOONGSON_ICU_MBOXES 0x0000000f | |
177 | #define LOONGSON_ICU_MBOXES_SHIFT 0 | |
178 | #define LOONGSON_ICU_DMARDY 0x00000010 | |
179 | #define LOONGSON_ICU_DMAEMPTY 0x00000020 | |
180 | #define LOONGSON_ICU_COPYRDY 0x00000040 | |
181 | #define LOONGSON_ICU_COPYEMPTY 0x00000080 | |
182 | #define LOONGSON_ICU_COPYERR 0x00000100 | |
183 | #define LOONGSON_ICU_PCIIRQ 0x00000200 | |
184 | #define LOONGSON_ICU_MASTERERR 0x00000400 | |
185 | #define LOONGSON_ICU_SYSTEMERR 0x00000800 | |
186 | #define LOONGSON_ICU_DRAMPERR 0x00001000 | |
187 | #define LOONGSON_ICU_RETRYERR 0x00002000 | |
188 | #define LOONGSON_ICU_GPIOS 0x01ff0000 | |
189 | #define LOONGSON_ICU_GPIOS_SHIFT 16 | |
190 | #define LOONGSON_ICU_GPINS 0x7e000000 | |
191 | #define LOONGSON_ICU_GPINS_SHIFT 25 | |
192 | #define LOONGSON_ICU_MBOX(N) (1<<(LOONGSON_ICU_MBOXES_SHIFT+(N))) | |
193 | #define LOONGSON_ICU_GPIO(N) (1<<(LOONGSON_ICU_GPIOS_SHIFT+(N))) | |
194 | #define LOONGSON_ICU_GPIN(N) (1<<(LOONGSON_ICU_GPINS_SHIFT+(N))) | |
195 | ||
196 | /* PCI prefetch window base & mask */ | |
197 | ||
198 | #define LOONGSON_MEM_WIN_BASE_L LOONGSON_REG(LOONGSON_REGBASE + 0x40) | |
199 | #define LOONGSON_MEM_WIN_BASE_H LOONGSON_REG(LOONGSON_REGBASE + 0x44) | |
200 | #define LOONGSON_MEM_WIN_MASK_L LOONGSON_REG(LOONGSON_REGBASE + 0x48) | |
201 | #define LOONGSON_MEM_WIN_MASK_H LOONGSON_REG(LOONGSON_REGBASE + 0x4c) | |
f7face03 WZ |
202 | |
203 | /* PCI_Hit*_Sel_* */ | |
204 | ||
e2fee572 WZ |
205 | #define LOONGSON_PCI_HIT0_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x50) |
206 | #define LOONGSON_PCI_HIT0_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x54) | |
207 | #define LOONGSON_PCI_HIT1_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x58) | |
208 | #define LOONGSON_PCI_HIT1_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x5c) | |
209 | #define LOONGSON_PCI_HIT2_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x60) | |
210 | #define LOONGSON_PCI_HIT2_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x64) | |
f7face03 WZ |
211 | |
212 | /* PXArb Config & Status */ | |
213 | ||
e2fee572 WZ |
214 | #define LOONGSON_PXARB_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x68) |
215 | #define LOONGSON_PXARB_STATUS LOONGSON_REG(LOONGSON_REGBASE + 0x6c) | |
216 | ||
217 | /* pcimap */ | |
f7face03 | 218 | |
e2fee572 WZ |
219 | #define LOONGSON_PCIMAP_PCIMAP_LO0 0x0000003f |
220 | #define LOONGSON_PCIMAP_PCIMAP_LO0_SHIFT 0 | |
221 | #define LOONGSON_PCIMAP_PCIMAP_LO1 0x00000fc0 | |
222 | #define LOONGSON_PCIMAP_PCIMAP_LO1_SHIFT 6 | |
223 | #define LOONGSON_PCIMAP_PCIMAP_LO2 0x0003f000 | |
224 | #define LOONGSON_PCIMAP_PCIMAP_LO2_SHIFT 12 | |
225 | #define LOONGSON_PCIMAP_PCIMAP_2 0x00040000 | |
226 | #define LOONGSON_PCIMAP_WIN(WIN, ADDR) \ | |
227 | ((((ADDR)>>26) & LOONGSON_PCIMAP_PCIMAP_LO0) << ((WIN)*6)) | |
67b35e5d | 228 | |
6f7a251a | 229 | /* Chip Config */ |
55045ff5 | 230 | #ifdef CONFIG_CPU_SUPPORTS_CPUFREQ |
6f7a251a WZ |
231 | #define LOONGSON_CHIPCFG0 LOONGSON_REG(LOONGSON_REGBASE + 0x80) |
232 | #endif | |
233 | ||
234 | /* | |
235 | * address windows configuration module | |
236 | * | |
237 | * loongson2e do not have this module | |
238 | */ | |
55045ff5 | 239 | #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG |
6f7a251a WZ |
240 | |
241 | /* address window config module base address */ | |
242 | #define LOONGSON_ADDRWINCFG_BASE 0x3ff00000ul | |
243 | #define LOONGSON_ADDRWINCFG_SIZE 0x180 | |
244 | ||
245 | extern unsigned long _loongson_addrwincfg_base; | |
246 | #define LOONGSON_ADDRWINCFG(offset) \ | |
247 | (*(volatile u64 *)(_loongson_addrwincfg_base + (offset))) | |
248 | ||
249 | #define CPU_WIN0_BASE LOONGSON_ADDRWINCFG(0x00) | |
250 | #define CPU_WIN1_BASE LOONGSON_ADDRWINCFG(0x08) | |
251 | #define CPU_WIN2_BASE LOONGSON_ADDRWINCFG(0x10) | |
252 | #define CPU_WIN3_BASE LOONGSON_ADDRWINCFG(0x18) | |
253 | ||
254 | #define CPU_WIN0_MASK LOONGSON_ADDRWINCFG(0x20) | |
255 | #define CPU_WIN1_MASK LOONGSON_ADDRWINCFG(0x28) | |
256 | #define CPU_WIN2_MASK LOONGSON_ADDRWINCFG(0x30) | |
257 | #define CPU_WIN3_MASK LOONGSON_ADDRWINCFG(0x38) | |
258 | ||
259 | #define CPU_WIN0_MMAP LOONGSON_ADDRWINCFG(0x40) | |
260 | #define CPU_WIN1_MMAP LOONGSON_ADDRWINCFG(0x48) | |
261 | #define CPU_WIN2_MMAP LOONGSON_ADDRWINCFG(0x50) | |
262 | #define CPU_WIN3_MMAP LOONGSON_ADDRWINCFG(0x58) | |
263 | ||
264 | #define PCIDMA_WIN0_BASE LOONGSON_ADDRWINCFG(0x60) | |
265 | #define PCIDMA_WIN1_BASE LOONGSON_ADDRWINCFG(0x68) | |
266 | #define PCIDMA_WIN2_BASE LOONGSON_ADDRWINCFG(0x70) | |
267 | #define PCIDMA_WIN3_BASE LOONGSON_ADDRWINCFG(0x78) | |
268 | ||
269 | #define PCIDMA_WIN0_MASK LOONGSON_ADDRWINCFG(0x80) | |
270 | #define PCIDMA_WIN1_MASK LOONGSON_ADDRWINCFG(0x88) | |
271 | #define PCIDMA_WIN2_MASK LOONGSON_ADDRWINCFG(0x90) | |
272 | #define PCIDMA_WIN3_MASK LOONGSON_ADDRWINCFG(0x98) | |
273 | ||
274 | #define PCIDMA_WIN0_MMAP LOONGSON_ADDRWINCFG(0xa0) | |
275 | #define PCIDMA_WIN1_MMAP LOONGSON_ADDRWINCFG(0xa8) | |
276 | #define PCIDMA_WIN2_MMAP LOONGSON_ADDRWINCFG(0xb0) | |
277 | #define PCIDMA_WIN3_MMAP LOONGSON_ADDRWINCFG(0xb8) | |
278 | ||
279 | #define ADDRWIN_WIN0 0 | |
280 | #define ADDRWIN_WIN1 1 | |
281 | #define ADDRWIN_WIN2 2 | |
282 | #define ADDRWIN_WIN3 3 | |
283 | ||
284 | #define ADDRWIN_MAP_DST_DDR 0 | |
285 | #define ADDRWIN_MAP_DST_PCI 1 | |
286 | #define ADDRWIN_MAP_DST_LIO 1 | |
287 | ||
288 | /* | |
289 | * s: CPU, PCIDMA | |
290 | * d: DDR, PCI, LIO | |
291 | * win: 0, 1, 2, 3 | |
292 | * src: map source | |
293 | * dst: map destination | |
294 | * size: ~mask + 1 | |
295 | */ | |
296 | #define LOONGSON_ADDRWIN_CFG(s, d, w, src, dst, size) do {\ | |
297 | s##_WIN##w##_BASE = (src); \ | |
298 | s##_WIN##w##_MMAP = (src) | ADDRWIN_MAP_DST_##d; \ | |
299 | s##_WIN##w##_MASK = ~(size-1); \ | |
300 | } while (0) | |
301 | ||
302 | #define LOONGSON_ADDRWIN_CPUTOPCI(win, src, dst, size) \ | |
303 | LOONGSON_ADDRWIN_CFG(CPU, PCI, win, src, dst, size) | |
304 | #define LOONGSON_ADDRWIN_CPUTODDR(win, src, dst, size) \ | |
305 | LOONGSON_ADDRWIN_CFG(CPU, DDR, win, src, dst, size) | |
306 | #define LOONGSON_ADDRWIN_PCITODDR(win, src, dst, size) \ | |
307 | LOONGSON_ADDRWIN_CFG(PCIDMA, DDR, win, src, dst, size) | |
308 | ||
55045ff5 | 309 | #endif /* ! CONFIG_CPU_SUPPORTS_ADDRWINCFG */ |
6f7a251a | 310 | |
5e983ff6 | 311 | #endif /* __ASM_MACH_LOONGSON_LOONGSON_H */ |