Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com) Gaisler Research |
| 3 | * Copyright (C) 2004 Stefan Holst (mail@s-holst.de) Uni-Stuttgart |
| 4 | * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB |
| 5 | * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB |
| 6 | */ |
| 7 | |
| 8 | #ifndef LEON_H_INCLUDE |
| 9 | #define LEON_H_INCLUDE |
| 10 | |
| 11 | #ifdef CONFIG_SPARC_LEON |
| 12 | |
| 13 | #define ASI_LEON_NOCACHE 0x01 |
| 14 | |
| 15 | #define ASI_LEON_DCACHE_MISS 0x1 |
| 16 | |
| 17 | #define ASI_LEON_CACHEREGS 0x02 |
| 18 | #define ASI_LEON_IFLUSH 0x10 |
| 19 | #define ASI_LEON_DFLUSH 0x11 |
| 20 | |
| 21 | #define ASI_LEON_MMUFLUSH 0x18 |
| 22 | #define ASI_LEON_MMUREGS 0x19 |
| 23 | #define ASI_LEON_BYPASS 0x1c |
| 24 | #define ASI_LEON_FLUSH_PAGE 0x10 |
| 25 | |
| 26 | /* mmu register access, ASI_LEON_MMUREGS */ |
| 27 | #define LEON_CNR_CTRL 0x000 |
| 28 | #define LEON_CNR_CTXP 0x100 |
| 29 | #define LEON_CNR_CTX 0x200 |
| 30 | #define LEON_CNR_F 0x300 |
| 31 | #define LEON_CNR_FADDR 0x400 |
| 32 | |
| 33 | #define LEON_CNR_CTX_NCTX 256 /*number of MMU ctx */ |
| 34 | |
| 35 | #define LEON_CNR_CTRL_TLBDIS 0x80000000 |
| 36 | |
| 37 | #define LEON_MMUTLB_ENT_MAX 64 |
| 38 | |
| 39 | /* |
| 40 | * diagnostic access from mmutlb.vhd: |
| 41 | * 0: pte address |
| 42 | * 4: pte |
| 43 | * 8: additional flags |
| 44 | */ |
| 45 | #define LEON_DIAGF_LVL 0x3 |
| 46 | #define LEON_DIAGF_WR 0x8 |
| 47 | #define LEON_DIAGF_WR_SHIFT 3 |
| 48 | #define LEON_DIAGF_HIT 0x10 |
| 49 | #define LEON_DIAGF_HIT_SHIFT 4 |
| 50 | #define LEON_DIAGF_CTX 0x1fe0 |
| 51 | #define LEON_DIAGF_CTX_SHIFT 5 |
| 52 | #define LEON_DIAGF_VALID 0x2000 |
| 53 | #define LEON_DIAGF_VALID_SHIFT 13 |
| 54 | |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 55 | /* irq masks */ |
| 56 | #define LEON_HARD_INT(x) (1 << (x)) /* irq 0-15 */ |
| 57 | #define LEON_IRQMASK_R 0x0000fffe /* bit 15- 1 of lregs.irqmask */ |
| 58 | #define LEON_IRQPRIO_R 0xfffe0000 /* bit 31-17 of lregs.irqmask */ |
| 59 | |
| 60 | /* leon uart register definitions */ |
| 61 | #define LEON_OFF_UDATA 0x0 |
| 62 | #define LEON_OFF_USTAT 0x4 |
| 63 | #define LEON_OFF_UCTRL 0x8 |
| 64 | #define LEON_OFF_USCAL 0xc |
| 65 | |
| 66 | #define LEON_UCTRL_RE 0x01 |
| 67 | #define LEON_UCTRL_TE 0x02 |
| 68 | #define LEON_UCTRL_RI 0x04 |
| 69 | #define LEON_UCTRL_TI 0x08 |
| 70 | #define LEON_UCTRL_PS 0x10 |
| 71 | #define LEON_UCTRL_PE 0x20 |
| 72 | #define LEON_UCTRL_FL 0x40 |
| 73 | #define LEON_UCTRL_LB 0x80 |
| 74 | |
| 75 | #define LEON_USTAT_DR 0x01 |
| 76 | #define LEON_USTAT_TS 0x02 |
| 77 | #define LEON_USTAT_TH 0x04 |
| 78 | #define LEON_USTAT_BR 0x08 |
| 79 | #define LEON_USTAT_OV 0x10 |
| 80 | #define LEON_USTAT_PE 0x20 |
| 81 | #define LEON_USTAT_FE 0x40 |
| 82 | |
| 83 | #define LEON_MCFG2_SRAMDIS 0x00002000 |
| 84 | #define LEON_MCFG2_SDRAMEN 0x00004000 |
| 85 | #define LEON_MCFG2_SRAMBANKSZ 0x00001e00 /* [12-9] */ |
| 86 | #define LEON_MCFG2_SRAMBANKSZ_SHIFT 9 |
| 87 | #define LEON_MCFG2_SDRAMBANKSZ 0x03800000 /* [25-23] */ |
| 88 | #define LEON_MCFG2_SDRAMBANKSZ_SHIFT 23 |
| 89 | |
| 90 | #define LEON_TCNT0_MASK 0x7fffff |
| 91 | |
| 92 | #define LEON_USTAT_ERROR (LEON_USTAT_OV | LEON_USTAT_PE | LEON_USTAT_FE) |
| 93 | /* no break yet */ |
| 94 | |
| 95 | #define ASI_LEON3_SYSCTRL 0x02 |
| 96 | #define ASI_LEON3_SYSCTRL_ICFG 0x08 |
| 97 | #define ASI_LEON3_SYSCTRL_DCFG 0x0c |
| 98 | #define ASI_LEON3_SYSCTRL_CFG_SNOOPING (1 << 27) |
| 99 | #define ASI_LEON3_SYSCTRL_CFG_SSIZE(c) (1 << ((c >> 20) & 0xf)) |
| 100 | |
| 101 | #ifndef __ASSEMBLY__ |
| 102 | |
| 103 | /* do a virtual address read without cache */ |
| 104 | static inline unsigned long leon_readnobuffer_reg(unsigned long paddr) |
| 105 | { |
| 106 | unsigned long retval; |
| 107 | __asm__ __volatile__("lda [%1] %2, %0\n\t" : |
| 108 | "=r"(retval) : "r"(paddr), "i"(ASI_LEON_NOCACHE)); |
| 109 | return retval; |
| 110 | } |
| 111 | |
| 112 | /* do a physical address bypass write, i.e. for 0x80000000 */ |
| 113 | static inline void leon_store_reg(unsigned long paddr, unsigned long value) |
| 114 | { |
| 115 | __asm__ __volatile__("sta %0, [%1] %2\n\t" : : "r"(value), "r"(paddr), |
| 116 | "i"(ASI_LEON_BYPASS) : "memory"); |
| 117 | } |
| 118 | |
| 119 | /* do a physical address bypass load, i.e. for 0x80000000 */ |
| 120 | static inline unsigned long leon_load_reg(unsigned long paddr) |
| 121 | { |
| 122 | unsigned long retval; |
| 123 | __asm__ __volatile__("lda [%1] %2, %0\n\t" : |
| 124 | "=r"(retval) : "r"(paddr), "i"(ASI_LEON_BYPASS)); |
| 125 | return retval; |
| 126 | } |
| 127 | |
Kristoffer Glembo | 4309e56 | 2009-11-15 23:51:06 +0000 | [diff] [blame] | 128 | static inline void leon_srmmu_disabletlb(void) |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 129 | { |
| 130 | unsigned int retval; |
| 131 | __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0), |
| 132 | "i"(ASI_LEON_MMUREGS)); |
| 133 | retval |= LEON_CNR_CTRL_TLBDIS; |
| 134 | __asm__ __volatile__("sta %0, [%%g0] %2\n\t" : : "r"(retval), "r"(0), |
| 135 | "i"(ASI_LEON_MMUREGS) : "memory"); |
| 136 | } |
| 137 | |
Kristoffer Glembo | 4309e56 | 2009-11-15 23:51:06 +0000 | [diff] [blame] | 138 | static inline void leon_srmmu_enabletlb(void) |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 139 | { |
| 140 | unsigned int retval; |
| 141 | __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0), |
| 142 | "i"(ASI_LEON_MMUREGS)); |
| 143 | retval = retval & ~LEON_CNR_CTRL_TLBDIS; |
| 144 | __asm__ __volatile__("sta %0, [%%g0] %2\n\t" : : "r"(retval), "r"(0), |
| 145 | "i"(ASI_LEON_MMUREGS) : "memory"); |
| 146 | } |
| 147 | |
| 148 | /* macro access for leon_load_reg() and leon_store_reg() */ |
| 149 | #define LEON3_BYPASS_LOAD_PA(x) (leon_load_reg((unsigned long)(x))) |
| 150 | #define LEON3_BYPASS_STORE_PA(x, v) (leon_store_reg((unsigned long)(x), (unsigned long)(v))) |
| 151 | #define LEON3_BYPASS_ANDIN_PA(x, v) LEON3_BYPASS_STORE_PA(x, LEON3_BYPASS_LOAD_PA(x) & v) |
| 152 | #define LEON3_BYPASS_ORIN_PA(x, v) LEON3_BYPASS_STORE_PA(x, LEON3_BYPASS_LOAD_PA(x) | v) |
| 153 | #define LEON_BYPASS_LOAD_PA(x) leon_load_reg((unsigned long)(x)) |
| 154 | #define LEON_BYPASS_STORE_PA(x, v) leon_store_reg((unsigned long)(x), (unsigned long)(v)) |
| 155 | #define LEON_REGLOAD_PA(x) leon_load_reg((unsigned long)(x)+LEON_PREGS) |
| 156 | #define LEON_REGSTORE_PA(x, v) leon_store_reg((unsigned long)(x)+LEON_PREGS, (unsigned long)(v)) |
| 157 | #define LEON_REGSTORE_OR_PA(x, v) LEON_REGSTORE_PA(x, LEON_REGLOAD_PA(x) | (unsigned long)(v)) |
| 158 | #define LEON_REGSTORE_AND_PA(x, v) LEON_REGSTORE_PA(x, LEON_REGLOAD_PA(x) & (unsigned long)(v)) |
| 159 | |
| 160 | /* macro access for leon_readnobuffer_reg() */ |
| 161 | #define LEON_BYPASSCACHE_LOAD_VA(x) leon_readnobuffer_reg((unsigned long)(x)) |
| 162 | |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 163 | extern void leon_init(void); |
| 164 | extern void leon_switch_mm(void); |
| 165 | extern void leon_init_IRQ(void); |
| 166 | |
| 167 | extern unsigned long last_valid_pfn; |
| 168 | |
Kristoffer Glembo | 4309e56 | 2009-11-15 23:51:06 +0000 | [diff] [blame] | 169 | static inline unsigned long sparc_leon3_get_dcachecfg(void) |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 170 | { |
| 171 | unsigned int retval; |
| 172 | __asm__ __volatile__("lda [%1] %2, %0\n\t" : |
| 173 | "=r"(retval) : |
| 174 | "r"(ASI_LEON3_SYSCTRL_DCFG), |
| 175 | "i"(ASI_LEON3_SYSCTRL)); |
| 176 | return retval; |
| 177 | } |
| 178 | |
| 179 | /* enable snooping */ |
Kristoffer Glembo | 4309e56 | 2009-11-15 23:51:06 +0000 | [diff] [blame] | 180 | static inline void sparc_leon3_enable_snooping(void) |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 181 | { |
| 182 | __asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t" |
| 183 | "set 0x800000, %%l2\n\t" |
| 184 | "or %%l2, %%l1, %%l2\n\t" |
| 185 | "sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2"); |
| 186 | }; |
| 187 | |
Kristoffer Glembo | 4309e56 | 2009-11-15 23:51:06 +0000 | [diff] [blame] | 188 | static inline int sparc_leon3_snooping_enabled(void) |
| 189 | { |
| 190 | u32 cctrl; |
| 191 | __asm__ __volatile__("lda [%%g0] 2, %0\n\t" : "=r"(cctrl)); |
| 192 | return (cctrl >> 23) & 1; |
| 193 | }; |
| 194 | |
| 195 | static inline void sparc_leon3_disable_cache(void) |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 196 | { |
| 197 | __asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t" |
| 198 | "set 0x00000f, %%l2\n\t" |
| 199 | "andn %%l2, %%l1, %%l2\n\t" |
| 200 | "sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2"); |
| 201 | }; |
| 202 | |
Daniel Hellstrom | e2305e3 | 2011-01-04 01:41:30 +0000 | [diff] [blame] | 203 | static inline unsigned long sparc_leon3_asr17(void) |
| 204 | { |
| 205 | u32 asr17; |
| 206 | __asm__ __volatile__ ("rd %%asr17, %0\n\t" : "=r"(asr17)); |
| 207 | return asr17; |
| 208 | }; |
| 209 | |
| 210 | static inline int sparc_leon3_cpuid(void) |
| 211 | { |
| 212 | return sparc_leon3_asr17() >> 28; |
| 213 | } |
| 214 | |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 215 | #endif /*!__ASSEMBLY__*/ |
| 216 | |
| 217 | #ifdef CONFIG_SMP |
Daniel Hellstrom | 1ca0c80 | 2011-05-02 00:08:52 +0000 | [diff] [blame] | 218 | # define LEON3_IRQ_IPI_DEFAULT 13 |
Daniel Hellstrom | 2cf9530 | 2011-04-19 23:41:23 +0000 | [diff] [blame] | 219 | # define LEON3_IRQ_TICKER (leon3_ticker_irq) |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 220 | # define LEON3_IRQ_CROSS_CALL 15 |
| 221 | #endif |
| 222 | |
| 223 | #if defined(PAGE_SIZE_LEON_8K) |
| 224 | #define LEON_PAGE_SIZE_LEON 1 |
| 225 | #elif defined(PAGE_SIZE_LEON_16K) |
| 226 | #define LEON_PAGE_SIZE_LEON 2) |
| 227 | #else |
| 228 | #define LEON_PAGE_SIZE_LEON 0 |
| 229 | #endif |
| 230 | |
| 231 | #if LEON_PAGE_SIZE_LEON == 0 |
| 232 | /* [ 8, 6, 6 ] + 12 */ |
| 233 | #define LEON_PGD_SH 24 |
| 234 | #define LEON_PGD_M 0xff |
| 235 | #define LEON_PMD_SH 18 |
| 236 | #define LEON_PMD_SH_V (LEON_PGD_SH-2) |
| 237 | #define LEON_PMD_M 0x3f |
| 238 | #define LEON_PTE_SH 12 |
| 239 | #define LEON_PTE_M 0x3f |
| 240 | #elif LEON_PAGE_SIZE_LEON == 1 |
| 241 | /* [ 7, 6, 6 ] + 13 */ |
| 242 | #define LEON_PGD_SH 25 |
| 243 | #define LEON_PGD_M 0x7f |
| 244 | #define LEON_PMD_SH 19 |
| 245 | #define LEON_PMD_SH_V (LEON_PGD_SH-1) |
| 246 | #define LEON_PMD_M 0x3f |
| 247 | #define LEON_PTE_SH 13 |
| 248 | #define LEON_PTE_M 0x3f |
| 249 | #elif LEON_PAGE_SIZE_LEON == 2 |
| 250 | /* [ 6, 6, 6 ] + 14 */ |
| 251 | #define LEON_PGD_SH 26 |
| 252 | #define LEON_PGD_M 0x3f |
| 253 | #define LEON_PMD_SH 20 |
| 254 | #define LEON_PMD_SH_V (LEON_PGD_SH-0) |
| 255 | #define LEON_PMD_M 0x3f |
| 256 | #define LEON_PTE_SH 14 |
| 257 | #define LEON_PTE_M 0x3f |
| 258 | #elif LEON_PAGE_SIZE_LEON == 3 |
| 259 | /* [ 4, 7, 6 ] + 15 */ |
| 260 | #define LEON_PGD_SH 28 |
| 261 | #define LEON_PGD_M 0x0f |
| 262 | #define LEON_PMD_SH 21 |
| 263 | #define LEON_PMD_SH_V (LEON_PGD_SH-0) |
| 264 | #define LEON_PMD_M 0x7f |
| 265 | #define LEON_PTE_SH 15 |
| 266 | #define LEON_PTE_M 0x3f |
| 267 | #else |
| 268 | #error cannot determine LEON_PAGE_SIZE_LEON |
| 269 | #endif |
| 270 | |
| 271 | #define PAGE_MIN_SHIFT (12) |
| 272 | #define PAGE_MIN_SIZE (1UL << PAGE_MIN_SHIFT) |
| 273 | |
| 274 | #define LEON3_XCCR_SETS_MASK 0x07000000UL |
| 275 | #define LEON3_XCCR_SSIZE_MASK 0x00f00000UL |
| 276 | |
| 277 | #define LEON2_CCR_DSETS_MASK 0x03000000UL |
| 278 | #define LEON2_CFG_SSIZE_MASK 0x00007000UL |
| 279 | |
| 280 | #ifndef __ASSEMBLY__ |
| 281 | extern unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr); |
| 282 | extern void leon_flush_icache_all(void); |
| 283 | extern void leon_flush_dcache_all(void); |
| 284 | extern void leon_flush_cache_all(void); |
| 285 | extern void leon_flush_tlb_all(void); |
| 286 | extern int leon_flush_during_switch; |
| 287 | extern int leon_flush_needed(void); |
| 288 | |
| 289 | struct vm_area_struct; |
| 290 | extern void leon_flush_icache_all(void); |
| 291 | extern void leon_flush_dcache_all(void); |
| 292 | extern void leon_flush_pcache_all(struct vm_area_struct *vma, unsigned long page); |
| 293 | extern void leon_flush_cache_all(void); |
| 294 | extern void leon_flush_tlb_all(void); |
| 295 | extern int leon_flush_during_switch; |
| 296 | extern int leon_flush_needed(void); |
| 297 | extern void leon_flush_pcache_all(struct vm_area_struct *vma, unsigned long page); |
| 298 | |
| 299 | /* struct that hold LEON3 cache configuration registers */ |
| 300 | struct leon3_cacheregs { |
| 301 | unsigned long ccr; /* 0x00 - Cache Control Register */ |
| 302 | unsigned long iccr; /* 0x08 - Instruction Cache Configuration Register */ |
| 303 | unsigned long dccr; /* 0x0c - Data Cache Configuration Register */ |
| 304 | }; |
| 305 | |
| 306 | /* struct that hold LEON2 cache configuration register |
| 307 | * & configuration register |
| 308 | */ |
| 309 | struct leon2_cacheregs { |
| 310 | unsigned long ccr, cfg; |
| 311 | }; |
| 312 | |
| 313 | #ifdef __KERNEL__ |
| 314 | |
| 315 | #include <linux/interrupt.h> |
| 316 | |
| 317 | struct device_node; |
Daniel Hellstrom | 4c6773c | 2011-04-19 23:41:22 +0000 | [diff] [blame] | 318 | extern unsigned int leon_build_device_irq(unsigned int real_irq, |
| 319 | irq_flow_handler_t flow_handler, |
| 320 | const char *name, int do_ack); |
Daniel Hellstrom | 5d07b78 | 2011-05-23 21:04:48 +0000 | [diff] [blame] | 321 | extern void leon_update_virq_handling(unsigned int virq, |
| 322 | irq_flow_handler_t flow_handler, |
| 323 | const char *name, int do_ack); |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 324 | extern void leon_clear_clock_irq(void); |
| 325 | extern void leon_load_profile_irq(int cpu, unsigned int limit); |
Tkhai Kirill | 62f0828 | 2012-04-04 21:49:26 +0200 | [diff] [blame^] | 326 | extern void leon_init_timers(void); |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 327 | extern void leon_clear_clock_irq(void); |
| 328 | extern void leon_load_profile_irq(int cpu, unsigned int limit); |
| 329 | extern void leon_trans_init(struct device_node *dp); |
| 330 | extern void leon_node_init(struct device_node *dp, struct device_node ***nextp); |
| 331 | extern void leon_init_IRQ(void); |
| 332 | extern void leon_init(void); |
| 333 | extern unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr); |
| 334 | extern void init_leon(void); |
| 335 | extern void poke_leonsparc(void); |
| 336 | extern void leon3_getCacheRegs(struct leon3_cacheregs *regs); |
| 337 | extern int leon_flush_needed(void); |
| 338 | extern void leon_switch_mm(void); |
| 339 | extern int srmmu_swprobe_trace; |
Daniel Hellstrom | 2cf9530 | 2011-04-19 23:41:23 +0000 | [diff] [blame] | 340 | extern int leon3_ticker_irq; |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 341 | |
Konrad Eisele | 8401707 | 2009-08-31 22:08:13 +0000 | [diff] [blame] | 342 | #ifdef CONFIG_SMP |
| 343 | extern int leon_smp_nrcpus(void); |
| 344 | extern void leon_clear_profile_irq(int cpu); |
| 345 | extern void leon_smp_done(void); |
| 346 | extern void leon_boot_cpus(void); |
| 347 | extern int leon_boot_one_cpu(int i); |
| 348 | void leon_init_smp(void); |
Konrad Eisele | 8401707 | 2009-08-31 22:08:13 +0000 | [diff] [blame] | 349 | extern void cpu_idle(void); |
| 350 | extern void init_IRQ(void); |
| 351 | extern void cpu_panic(void); |
| 352 | extern int __leon_processor_id(void); |
| 353 | void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu); |
Daniel Hellstrom | 2cf9530 | 2011-04-19 23:41:23 +0000 | [diff] [blame] | 354 | extern irqreturn_t leon_percpu_timer_interrupt(int irq, void *unused); |
Konrad Eisele | 8401707 | 2009-08-31 22:08:13 +0000 | [diff] [blame] | 355 | |
Daniel Hellstrom | 2cf9530 | 2011-04-19 23:41:23 +0000 | [diff] [blame] | 356 | extern unsigned int real_irq_entry[]; |
Daniel Hellstrom | 1ca0c80 | 2011-05-02 00:08:52 +0000 | [diff] [blame] | 357 | extern unsigned int smpleon_ipi[]; |
Konrad Eisele | 8401707 | 2009-08-31 22:08:13 +0000 | [diff] [blame] | 358 | extern unsigned int patchme_maybe_smp_msg[]; |
Konrad Eisele | 8401707 | 2009-08-31 22:08:13 +0000 | [diff] [blame] | 359 | extern unsigned int t_nmi[], linux_trap_ipi15_leon[]; |
| 360 | extern unsigned int linux_trap_ipi15_sun4m[]; |
Daniel Hellstrom | 1ca0c80 | 2011-05-02 00:08:52 +0000 | [diff] [blame] | 361 | extern int leon_ipi_irq; |
Konrad Eisele | 8401707 | 2009-08-31 22:08:13 +0000 | [diff] [blame] | 362 | |
| 363 | #endif /* CONFIG_SMP */ |
| 364 | |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 365 | #endif /* __KERNEL__ */ |
| 366 | |
| 367 | #endif /* __ASSEMBLY__ */ |
| 368 | |
| 369 | /* macros used in leon_mm.c */ |
| 370 | #define PFN(x) ((x) >> PAGE_SHIFT) |
| 371 | #define _pfn_valid(pfn) ((pfn < last_valid_pfn) && (pfn >= PFN(phys_base))) |
| 372 | #define _SRMMU_PTE_PMASK_LEON 0xffffffff |
| 373 | |
| 374 | #else /* defined(CONFIG_SPARC_LEON) */ |
| 375 | |
| 376 | /* nop definitions for !LEON case */ |
| 377 | #define leon_init() do {} while (0) |
| 378 | #define leon_switch_mm() do {} while (0) |
| 379 | #define leon_init_IRQ() do {} while (0) |
| 380 | #define init_leon() do {} while (0) |
Konrad Eisele | 8401707 | 2009-08-31 22:08:13 +0000 | [diff] [blame] | 381 | #define leon_smp_done() do {} while (0) |
| 382 | #define leon_boot_cpus() do {} while (0) |
| 383 | #define leon_boot_one_cpu(i) 1 |
| 384 | #define leon_init_smp() do {} while (0) |
Konrad Eisele | 5213a78 | 2009-08-17 00:13:29 +0000 | [diff] [blame] | 385 | |
| 386 | #endif /* !defined(CONFIG_SPARC_LEON) */ |
| 387 | |
| 388 | #endif |