patch-2.4.22 linux-2.4.22/include/asm-ppc64/cputable.h

• Lines: 153
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/include/asm-ppc64/cputable.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/include/asm-ppc64/cputable.h linux-2.4.22/include/asm-ppc64/cputable.h
@@ -0,0 +1,152 @@
+/*
+ *  include/asm-ppc/cputable.h
+ *
+ *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
+ *
+ *  Modifications for ppc64:
+ *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
+ * 
+ *  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 - Must match ppc32 definitions */
+#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
+
+#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, 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 long	cpu_features;		/* Kernel features */
+	unsigned int	cpu_user_features;	/* Userland features */
+
+	/* cache line sizes */
+	unsigned int	icache_bsize;
+	unsigned int	dcache_bsize;
+
+	/* 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;
+
+	/* This is used to identify firmware features which are available
+	 * to the kernel.
+	 */
+	unsigned long   firmware_features;
+};
+
+extern struct cpu_spec		cpu_specs[];
+extern struct cpu_spec		*cur_cpu_spec;
+
+
+/* firmware feature bitmask values */
+#define FIRMWARE_MAX_FEATURES 63
+
+#define FW_FEATURE_PFT		(1UL<<0)
+#define FW_FEATURE_TCE		(1UL<<1)	
+#define FW_FEATURE_SPRG0	(1UL<<2)	
+#define FW_FEATURE_DABR		(1UL<<3)	
+#define FW_FEATURE_COPY		(1UL<<4)	
+#define FW_FEATURE_ASR		(1UL<<5)	
+#define FW_FEATURE_DEBUG	(1UL<<6)	
+#define FW_FEATURE_PERF		(1UL<<7)	
+#define FW_FEATURE_DUMP		(1UL<<8)	
+#define FW_FEATURE_INTERRUPT	(1UL<<9)	
+#define FW_FEATURE_MIGRATE	(1UL<<10)	
+
+typedef struct {
+    unsigned long val;
+    char * name;
+} firmware_feature_t;
+
+extern firmware_feature_t firmware_features_table[];
+
+#endif /* __ASSEMBLY__ */
+
+/* CPU kernel features */
+
+/* Retain the 32b definitions for the time being - use bottom half of word */
+#define CPU_FTR_SPLIT_ID_CACHE		0x0000000000000001
+#define CPU_FTR_L2CR			0x0000000000000002
+#define CPU_FTR_SPEC7450		0x0000000000000004
+#define CPU_FTR_ALTIVEC			0x0000000000000008
+#define CPU_FTR_TAU			0x0000000000000010
+#define CPU_FTR_CAN_DOZE		0x0000000000000020
+#define CPU_FTR_USE_TB			0x0000000000000040
+#define CPU_FTR_604_PERF_MON		0x0000000000000080
+#define CPU_FTR_601			0x0000000000000100
+#define CPU_FTR_HPTE_TABLE		0x0000000000000200
+#define CPU_FTR_CAN_NAP			0x0000000000000400
+#define CPU_FTR_L3CR			0x0000000000000800
+#define CPU_FTR_L3_DISABLE_NAP		0x0000000000001000
+#define CPU_FTR_NAP_DISABLE_L2_PR	0x0000000000002000
+#define CPU_FTR_DUAL_PLL_750FX		0x0000000000004000
+
+/* Add the 64b processor unique features in the top half of the word */
+#define CPU_FTR_SLB           		0x0000000100000000
+#define CPU_FTR_16M_PAGE      		0x0000000200000000
+#define CPU_FTR_TLBIEL         		0x0000000400000000
+#define CPU_FTR_NOEXECUTE     		0x0000000800000000
+#define CPU_FTR_NODSISRALIGN  		0x0000001000000000
+
+/* Platform firmware features */
+#define FW_FTR_                         0x0000000000000001
+
+#ifndef __ASSEMBLY__
+#define COMMON_USER_PPC64	(PPC_FEATURE_32 | PPC_FEATURE_64 | \
+			         PPC_FEATURE_HAS_FPU | PPC_FEATURE_HAS_MMU)
+
+#define CPU_FTR_PPCAS_ARCH_V2   (CPU_FTR_SLB | CPU_FTR_16M_PAGE | \
+                                 CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
+                                 CPU_FTR_NODSISRALIGN)
+
+#define COMMON_PPC64_FW	(0)
+#endif
+
+#ifdef __ASSEMBLY__
+
+#define BEGIN_FTR_SECTION		98:
+
+#define END_FTR_SECTION(msk, val)		\
+99:						\
+	.section __ftr_fixup,"a";		\
+	.align 3;				\
+	.llong msk;			        \
+	.llong val;			        \
+	.llong 98b;			        \
+	.llong 99b;	 		        \
+	.previous
+
+#define END_FTR_SECTION_IFSET(msk)	END_FTR_SECTION((msk), (msk))
+#define END_FTR_SECTION_IFCLR(msk)	END_FTR_SECTION((msk), 0)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_PPC_CPUTABLE_H */
+#endif /* __KERNEL__ */
+