---

yaml --- r: 138404 b: refs/heads/master c: 105c31d h: refs/heads/master v: v3
git-mirror · Jan 29, 2009 · 7a3ba53 · 7a3ba53
1 parent 22cbd54
commit 7a3ba53
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Showing 7 changed files with 99 additions and 31 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0585a155a7318e69d43ef20636c2f072ad17d03f
+refs/heads/master: 105c31df6fc5a424b480321763b5598cf3817821
diff --git a/trunk/arch/powerpc/include/asm/reg_booke.h b/trunk/arch/powerpc/include/asm/reg_booke.h
@@ -110,6 +110,7 @@
 #define SPRN_L1CSR0	0x3F2	/* L1 Cache Control and Status Register 0 */
 #define SPRN_L1CSR1	0x3F3	/* L1 Cache Control and Status Register 1 */
 #define SPRN_MMUCSR0	0x3F4	/* MMU Control and Status Register 0 */
+#define SPRN_MMUCFG	0x3F7	/* MMU Configuration Register */
 #define SPRN_PIT	0x3DB	/* Programmable Interval Timer */
 #define SPRN_BUCSR	0x3F5	/* Branch Unit Control and Status */
 #define SPRN_L2CSR0	0x3F9	/* L2 Data Cache Control and Status Register 0 */

diff --git a/trunk/arch/powerpc/kernel/Makefile b/trunk/arch/powerpc/kernel/Makefile
@@ -61,6 +61,7 @@ obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o \
 obj64-$(CONFIG_HIBERNATION)	+= swsusp_asm64.o
 obj-$(CONFIG_MODULES)		+= module.o module_$(CONFIG_WORD_SIZE).o
 obj-$(CONFIG_44x)		+= cpu_setup_44x.o
+obj-$(CONFIG_FSL_BOOKE)		+= cpu_setup_fsl_booke.o
 
 extra-$(CONFIG_PPC_STD_MMU)	:= head_32.o
 extra-$(CONFIG_PPC64)		:= head_64.o

diff --git a/trunk/arch/powerpc/kernel/cpu_setup_fsl_booke.S b/trunk/arch/powerpc/kernel/cpu_setup_fsl_booke.S
@@ -0,0 +1,31 @@
+/*
+ * This file contains low level CPU setup functions.
+ * Kumar Gala <galak@kernel.crashing.org>
+ * Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * Based on cpu_setup_6xx code by
+ * Benjamin 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.
+ *
+ */
+
+#include <asm/processor.h>
+#include <asm/cputable.h>
+#include <asm/ppc_asm.h>
+
+_GLOBAL(__setup_cpu_e200)
+	/* enable dedicated debug exception handling resources (Debug APU) */
+	mfspr	r3,SPRN_HID0
+	ori	r3,r3,HID0_DAPUEN@l
+	mtspr	SPRN_HID0,r3
+	b	__setup_e200_ivors
+_GLOBAL(__setup_cpu_e500v1)
+_GLOBAL(__setup_cpu_e500v2)
+	b	__setup_e500_ivors
+_GLOBAL(__setup_cpu_e500mc)
+	b	__setup_e500mc_ivors
+
diff --git a/trunk/arch/powerpc/kernel/cputable.c b/trunk/arch/powerpc/kernel/cputable.c
@@ -35,6 +35,10 @@ const char *powerpc_base_platform;
  * and ppc64
  */
 #ifdef CONFIG_PPC32
+extern void __setup_cpu_e200(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_e500v1(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_e500v2(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_e500mc(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440ep(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
@@ -1687,6 +1691,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 			PPC_FEATURE_UNIFIED_CACHE,
 		.mmu_features		= MMU_FTR_TYPE_FSL_E,
 		.dcache_bsize		= 32,
+		.cpu_setup		= __setup_cpu_e200,
 		.machine_check		= machine_check_e200,
 		.platform		= "ppc5554",
 	}
@@ -1706,6 +1711,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.num_pmcs		= 4,
 		.oprofile_cpu_type	= "ppc/e500",
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
+		.cpu_setup		= __setup_cpu_e500v1,
 		.machine_check		= machine_check_e500,
 		.platform		= "ppc8540",
 	},
@@ -1724,6 +1730,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.num_pmcs		= 4,
 		.oprofile_cpu_type	= "ppc/e500",
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
+		.cpu_setup		= __setup_cpu_e500v2,
 		.machine_check		= machine_check_e500,
 		.platform		= "ppc8548",
 	},
@@ -1739,6 +1746,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.num_pmcs		= 4,
 		.oprofile_cpu_type	= "ppc/e500", /* xxx - galak, e500mc? */
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
+		.cpu_setup		= __setup_cpu_e500mc,
 		.machine_check		= machine_check_e500,
 		.platform		= "ppce500mc",
 	},

diff --git a/trunk/arch/powerpc/kernel/head_booke.h b/trunk/arch/powerpc/kernel/head_booke.h
@@ -70,10 +70,10 @@
 
 /* only on e500mc/e200 */
 #define DEBUG_STACK_BASE	dbgirq_ctx
-#ifdef CONFIG_PPC_E500MC
-#define DEBUG_SPRG		SPRN_SPRG9
-#else
+#ifdef CONFIG_E200
 #define DEBUG_SPRG		SPRN_SPRG6W
+#else
+#define DEBUG_SPRG		SPRN_SPRG9
 #endif
 
 #define EXC_LVL_FRAME_OVERHEAD	(THREAD_SIZE - INT_FRAME_SIZE - EXC_LVL_SIZE)

diff --git a/trunk/arch/powerpc/kernel/head_fsl_booke.S b/trunk/arch/powerpc/kernel/head_fsl_booke.S
@@ -103,10 +103,15 @@ invstr:	mflr	r6				/* Make it accessible */
 	or	r7,r7,r4
 	mtspr	SPRN_MAS6,r7
 	tlbsx	0,r6				/* search MSR[IS], SPID=PID0 */
-#ifndef CONFIG_E200
 	mfspr	r7,SPRN_MAS1
 	andis.	r7,r7,MAS1_VALID@h
 	bne	match_TLB
+
+	mfspr	r7,SPRN_MMUCFG
+	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */
+	cmpwi	r7,3
+	bne	match_TLB			/* skip if NPIDS != 3 */
+
 	mfspr	r7,SPRN_PID1
 	slwi	r7,r7,16
 	or	r7,r7,r4
@@ -120,7 +125,7 @@ invstr:	mflr	r6				/* Make it accessible */
 	or	r7,r7,r4
 	mtspr	SPRN_MAS6,r7
 	tlbsx	0,r6				/* Fall through, we had to match */
-#endif
+
 match_TLB:
 	mfspr	r7,SPRN_MAS0
 	rlwinm	r3,r7,16,20,31			/* Extract MAS0(Entry) */
@@ -215,14 +220,19 @@ skpinv:	addi	r6,r6,1				/* Increment */
 
 /* 4. Clear out PIDs & Search info */
 	li	r6,0
+	mtspr   SPRN_MAS6,r6
 	mtspr	SPRN_PID0,r6
-#ifndef CONFIG_E200
+
+	mfspr	r7,SPRN_MMUCFG
+	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */
+	cmpwi	r7,3
+	bne	2f				/* skip if NPIDS != 3 */
+
 	mtspr	SPRN_PID1,r6
 	mtspr	SPRN_PID2,r6
-#endif
-	mtspr	SPRN_MAS6,r6
 
 /* 5. Invalidate mapping we started in */
+2:
 	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
 	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */
 	mtspr	SPRN_MAS0,r7
@@ -298,19 +308,7 @@ skpinv:	addi	r6,r6,1				/* Increment */
 	SET_IVOR(12, WatchdogTimer);
 	SET_IVOR(13, DataTLBError);
 	SET_IVOR(14, InstructionTLBError);
-	SET_IVOR(15, DebugDebug);
-#if defined(CONFIG_E500) && !defined(CONFIG_PPC_E500MC)
 	SET_IVOR(15, DebugCrit);
-#endif
-	SET_IVOR(32, SPEUnavailable);
-	SET_IVOR(33, SPEFloatingPointData);
-	SET_IVOR(34, SPEFloatingPointRound);
-#ifndef CONFIG_E200
-	SET_IVOR(35, PerformanceMonitor);
-#endif
-#ifdef CONFIG_PPC_E500MC
-	SET_IVOR(36, Doorbell);
-#endif
 
 	/* Establish the interrupt vector base */
 	lis	r4,interrupt_base@h	/* IVPR only uses the high 16-bits */
@@ -329,12 +327,6 @@ skpinv:	addi	r6,r6,1				/* Increment */
 	oris	r2,r2,HID0_DOZE@h
 	mtspr	SPRN_HID0, r2
 #endif
-#ifdef CONFIG_E200
-	/* enable dedicated debug exception handling resources (Debug APU) */
-	mfspr	r2,SPRN_HID0
-	ori	r2,r2,HID0_DAPUEN@l
-	mtspr	SPRN_HID0,r2
-#endif
 
 #if !defined(CONFIG_BDI_SWITCH)
 	/*
@@ -706,15 +698,11 @@ interrupt_base:
 	/* Performance Monitor */
 	EXCEPTION(0x2060, PerformanceMonitor, performance_monitor_exception, EXC_XFER_STD)
 
-#ifdef CONFIG_PPC_E500MC
 	EXCEPTION(0x2070, Doorbell, unknown_exception, EXC_XFER_STD)
-#endif
 
 	/* Debug Interrupt */
 	DEBUG_DEBUG_EXCEPTION
-#if defined(CONFIG_E500) && !defined(CONFIG_PPC_E500MC)
 	DEBUG_CRIT_EXCEPTION
-#endif
 
 /*
  * Local functions
@@ -897,6 +885,45 @@ KernelSPE:
  * Global functions
  */
 
+/* Adjust or setup IVORs for e200 */
+_GLOBAL(__setup_e200_ivors)
+	li	r3,DebugDebug@l
+	mtspr	SPRN_IVOR15,r3
+	li	r3,SPEUnavailable@l
+	mtspr	SPRN_IVOR32,r3
+	li	r3,SPEFloatingPointData@l
+	mtspr	SPRN_IVOR33,r3
+	li	r3,SPEFloatingPointRound@l
+	mtspr	SPRN_IVOR34,r3
+	sync
+	blr
+
+/* Adjust or setup IVORs for e500v1/v2 */
+_GLOBAL(__setup_e500_ivors)
+	li	r3,DebugCrit@l
+	mtspr	SPRN_IVOR15,r3
+	li	r3,SPEUnavailable@l
+	mtspr	SPRN_IVOR32,r3
+	li	r3,SPEFloatingPointData@l
+	mtspr	SPRN_IVOR33,r3
+	li	r3,SPEFloatingPointRound@l
+	mtspr	SPRN_IVOR34,r3
+	li	r3,PerformanceMonitor@l
+	mtspr	SPRN_IVOR35,r3
+	sync
+	blr
+
+/* Adjust or setup IVORs for e500mc */
+_GLOBAL(__setup_e500mc_ivors)
+	li	r3,DebugDebug@l
+	mtspr	SPRN_IVOR15,r3
+	li	r3,PerformanceMonitor@l
+	mtspr	SPRN_IVOR35,r3
+	li	r3,Doorbell@l
+	mtspr	SPRN_IVOR36,r3
+	sync
+	blr
+
 /*
  * extern void loadcam_entry(unsigned int index)
  *