* for more details.
*
* Copyright (C) 2003, 2004 Ralf Baechle
+ * Copyright (C) 2004 Maciej W. Rozycki
*/
#ifndef __ASM_CPU_FEATURES_H
#define __ASM_CPU_FEATURES_H
-#include <linux/config.h>
#include <asm/cpu.h>
#include <asm/cpu-info.h>
#ifndef cpu_has_4kex
#define cpu_has_4kex (cpu_data[0].options & MIPS_CPU_4KEX)
#endif
-#ifndef cpu_has_4ktlb
-#define cpu_has_4ktlb (cpu_data[0].options & MIPS_CPU_4KTLB)
+#ifndef cpu_has_3k_cache
+#define cpu_has_3k_cache (cpu_data[0].options & MIPS_CPU_3K_CACHE)
+#endif
+#define cpu_has_6k_cache 0
+#define cpu_has_8k_cache 0
+#ifndef cpu_has_4k_cache
+#define cpu_has_4k_cache (cpu_data[0].options & MIPS_CPU_4K_CACHE)
+#endif
+#ifndef cpu_has_tx39_cache
+#define cpu_has_tx39_cache (cpu_data[0].options & MIPS_CPU_TX39_CACHE)
+#endif
+#ifndef cpu_has_sb1_cache
+#define cpu_has_sb1_cache (cpu_data[0].options & MIPS_CPU_SB1_CACHE)
#endif
#ifndef cpu_has_fpu
-#define cpu_has_fpu (cpu_data[0].options & MIPS_CPU_FPU)
+#define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU)
#endif
#ifndef cpu_has_32fpr
#define cpu_has_32fpr (cpu_data[0].options & MIPS_CPU_32FPR)
#ifndef cpu_has_watch
#define cpu_has_watch (cpu_data[0].options & MIPS_CPU_WATCH)
#endif
-#ifndef cpu_has_mips16
-#define cpu_has_mips16 (cpu_data[0].options & MIPS_CPU_MIPS16)
-#endif
#ifndef cpu_has_divec
#define cpu_has_divec (cpu_data[0].options & MIPS_CPU_DIVEC)
#endif
#ifndef cpu_has_llsc
#define cpu_has_llsc (cpu_data[0].options & MIPS_CPU_LLSC)
#endif
+#ifndef cpu_has_mips16
+#define cpu_has_mips16 (cpu_data[0].ases & MIPS_ASE_MIPS16)
+#endif
+#ifndef cpu_has_mdmx
+#define cpu_has_mdmx (cpu_data[0].ases & MIPS_ASE_MDMX)
+#endif
+#ifndef cpu_has_mips3d
+#define cpu_has_mips3d (cpu_data[0].ases & MIPS_ASE_MIPS3D)
+#endif
+#ifndef cpu_has_smartmips
+#define cpu_has_smartmips (cpu_data[0].ases & MIPS_ASE_SMARTMIPS)
+#endif
#ifndef cpu_has_vtag_icache
#define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
#endif
#ifndef cpu_has_ic_fills_f_dc
#define cpu_has_ic_fills_f_dc (cpu_data[0].icache.flags & MIPS_CACHE_IC_F_DC)
#endif
+#ifndef cpu_has_pindexed_dcache
+#define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
+#endif
/*
* I-Cache snoops remote store. This only matters on SMP. Some multiprocessors
#endif
#endif
+# ifndef cpu_has_mips32r1
+# define cpu_has_mips32r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R1)
+# endif
+# ifndef cpu_has_mips32r2
+# define cpu_has_mips32r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R2)
+# endif
+# ifndef cpu_has_mips64r1
+# define cpu_has_mips64r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R1)
+# endif
+# ifndef cpu_has_mips64r2
+# define cpu_has_mips64r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R2)
+# endif
+
/*
- * Certain CPUs may throw bizarre exceptions if not the whole cacheline
- * contains valid instructions. For these we ensure proper alignment of
- * signal trampolines and pad them to the size of a full cache lines with
- * nops. This is also used in structure definitions so can't be a test macro
- * like the others.
+ * Shortcuts ...
*/
-#ifndef PLAT_TRAMPOLINE_STUFF_LINE
-#define PLAT_TRAMPOLINE_STUFF_LINE 0UL
+#define cpu_has_mips32 (cpu_has_mips32r1 | cpu_has_mips32r2)
+#define cpu_has_mips64 (cpu_has_mips64r1 | cpu_has_mips64r2)
+#define cpu_has_mips_r1 (cpu_has_mips32r1 | cpu_has_mips64r1)
+#define cpu_has_mips_r2 (cpu_has_mips32r2 | cpu_has_mips64r2)
+
+#ifndef cpu_has_dsp
+#define cpu_has_dsp (cpu_data[0].ases & MIPS_ASE_DSP)
#endif
-#ifdef CONFIG_MIPS32
+#ifndef cpu_has_mipsmt
+#define cpu_has_mipsmt (cpu_data[0].ases & MIPS_ASE_MIPSMT)
+#endif
+
+#ifdef CONFIG_32BIT
# ifndef cpu_has_nofpuex
# define cpu_has_nofpuex (cpu_data[0].options & MIPS_CPU_NOFPUEX)
# endif
# endif
#endif
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
# ifndef cpu_has_nofpuex
# define cpu_has_nofpuex 0
# endif
# endif
#endif
-#ifndef cpu_has_subset_pcaches
-#define cpu_has_subset_pcaches (cpu_data[0].options & MIPS_CPU_SUBSET_CACHES)
+#if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint)
+# define cpu_has_vint (cpu_data[0].options & MIPS_CPU_VINT)
+#elif !defined(cpu_has_vint)
+# define cpu_has_vint 0
+#endif
+
+#if defined(CONFIG_CPU_MIPSR2_IRQ_EI) && !defined(cpu_has_veic)
+# define cpu_has_veic (cpu_data[0].options & MIPS_CPU_VEIC)
+#elif !defined(cpu_has_veic)
+# define cpu_has_veic 0
+#endif
+
+#ifndef cpu_has_inclusive_pcaches
+#define cpu_has_inclusive_pcaches (cpu_data[0].options & MIPS_CPU_INCLUSIVE_CACHES)
#endif
#ifndef cpu_dcache_line_size