1 files changed, 127 insertions, 0 deletions
diff --git a/include/asm-ppc/cputable.h b/include/asm-ppc/cputable.h
new file mode 100644
index 00000000000..22de04fe1b4
--- /dev/null
+++ b/include/asm-ppc/cputable.h
@@ -0,0 +1,127 @@
+/*
+ *  include/asm-ppc/cputable.h
+ *
+ *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version
+ *  2 of the License, or (at your option) any later version.
+ */
+
+#ifndef __ASM_PPC_CPUTABLE_H
+#define __ASM_PPC_CPUTABLE_H
+
+/* Exposed to userland CPU features */
+#define PPC_FEATURE_32			0x80000000
+#define PPC_FEATURE_64			0x40000000
+#define PPC_FEATURE_601_INSTR		0x20000000
+#define PPC_FEATURE_HAS_ALTIVEC		0x10000000
+#define PPC_FEATURE_HAS_FPU		0x08000000
+#define PPC_FEATURE_HAS_MMU		0x04000000
+#define PPC_FEATURE_HAS_4xxMAC		0x02000000
+#define PPC_FEATURE_UNIFIED_CACHE	0x01000000
+#define PPC_FEATURE_HAS_SPE		0x00800000
+#define PPC_FEATURE_HAS_EFP_SINGLE	0x00400000
+#define PPC_FEATURE_HAS_EFP_DOUBLE	0x00200000
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+/* This structure can grow, it's real size is used by head.S code
+ * via the mkdefs mecanism.
+ */
+struct cpu_spec;
+
+typedef	void (*cpu_setup_t)(unsigned long offset, int cpu_nr, struct cpu_spec* spec);
+
+struct cpu_spec {
+	/* CPU is matched via (PVR & pvr_mask) == pvr_value */
+	unsigned int	pvr_mask;
+	unsigned int	pvr_value;
+
+	char		*cpu_name;
+	unsigned int	cpu_features;		/* Kernel features */
+	unsigned int	cpu_user_features;	/* Userland features */
+
+	/* cache line sizes */
+	unsigned int	icache_bsize;
+	unsigned int	dcache_bsize;
+
+	/* number of performance monitor counters */
+	unsigned int	num_pmcs;
+
+	/* this is called to initialize various CPU bits like L1 cache,
+	 * BHT, SPD, etc... from head.S before branching to identify_machine
+	 */
+	cpu_setup_t	cpu_setup;
+};
+
+extern struct cpu_spec		cpu_specs[];
+extern struct cpu_spec		*cur_cpu_spec[];
+
+static inline unsigned int cpu_has_feature(unsigned int feature)
+{
+	return cur_cpu_spec[0]->cpu_features & feature;
+}
+
+#endif /* __ASSEMBLY__ */
+
+/* CPU kernel features */
+#define CPU_FTR_SPLIT_ID_CACHE		0x00000001
+#define CPU_FTR_L2CR			0x00000002
+#define CPU_FTR_SPEC7450		0x00000004
+#define CPU_FTR_ALTIVEC			0x00000008
+#define CPU_FTR_TAU			0x00000010
+#define CPU_FTR_CAN_DOZE		0x00000020
+#define CPU_FTR_USE_TB			0x00000040
+#define CPU_FTR_604_PERF_MON		0x00000080
+#define CPU_FTR_601			0x00000100
+#define CPU_FTR_HPTE_TABLE		0x00000200
+#define CPU_FTR_CAN_NAP			0x00000400
+#define CPU_FTR_L3CR			0x00000800
+#define CPU_FTR_L3_DISABLE_NAP		0x00001000
+#define CPU_FTR_NAP_DISABLE_L2_PR	0x00002000
+#define CPU_FTR_DUAL_PLL_750FX		0x00004000
+#define CPU_FTR_NO_DPM			0x00008000
+#define CPU_FTR_HAS_HIGH_BATS		0x00010000
+#define CPU_FTR_NEED_COHERENT           0x00020000
+#define CPU_FTR_NO_BTIC			0x00040000
+
+#ifdef __ASSEMBLY__
+
+#define BEGIN_FTR_SECTION		98:
+
+#define END_FTR_SECTION(msk, val)		\
+99:						\
+	.section __ftr_fixup,"a";		\
+	.align 2;				\
+	.long msk;				\
+	.long val;				\
+	.long 98b;				\
+	.long 99b;				\
+	.previous
+
+#else
+
+#define BEGIN_FTR_SECTION		"98:\n"
+#define END_FTR_SECTION(msk, val)		\
+"99:\n"						\
+"	.section __ftr_fixup,\"a\";\n"		\
+"	.align 2;\n"				\
+"	.long "#msk";\n"			\
+"	.long "#val";\n"			\
+"	.long 98b;\n"			        \
+"	.long 99b;\n"	 		        \
+"	.previous\n"
+
+
+#endif /* __ASSEMBLY__ */
+
+#define END_FTR_SECTION_IFSET(msk)	END_FTR_SECTION((msk), (msk))
+#define END_FTR_SECTION_IFCLR(msk)	END_FTR_SECTION((msk), 0)
+
+#endif /* __ASM_PPC_CPUTABLE_H */
+#endif /* __KERNEL__ */
+