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Message-Id: <39fcfa2ff233532ec857a2da412fcb80c0186250.1439382636.git.christophe.leroy@c-s.fr>
Date: Wed, 12 Aug 2015 15:41:16 +0200 (CEST)
From: Christophe Leroy <christophe.leroy@....fr>
To: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>, scottwood@...escale.com
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
Subject: [PATCH 12/20] powerpc/8xx: move 8xx SPRN defines into reg_8xx.h and
add some missing ones
Move 8xx SPRN defines into reg_8xx.h and add some missing ones
Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
arch/powerpc/include/asm/mmu-8xx.h | 26 +++++++++++++-------------
arch/powerpc/include/asm/reg_8xx.h | 24 ++++++++++++++++++++++++
2 files changed, 37 insertions(+), 13 deletions(-)
diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h
index f05500a..44408d6 100644
--- a/arch/powerpc/include/asm/mmu-8xx.h
+++ b/arch/powerpc/include/asm/mmu-8xx.h
@@ -11,7 +11,7 @@
* is written, and the contents of several registers are used to
* create the entry.
*/
-#define SPRN_MI_CTR 784 /* Instruction TLB control register */
+/* SPRN_MI_CTR */ /* Instruction TLB control register */
#define MI_GPM 0x80000000 /* Set domain manager mode */
#define MI_PPM 0x40000000 /* Set subpage protection */
#define MI_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */
@@ -23,7 +23,7 @@
/* These are the Ks and Kp from the PowerPC books. For proper operation,
* Ks = 0, Kp = 1.
*/
-#define SPRN_MI_AP 786
+/* SPRN_MI_AP */
#define MI_Ks 0x80000000 /* Should not be set */
#define MI_Kp 0x40000000 /* Should always be set */
@@ -44,7 +44,7 @@
* about the last instruction TLB miss. When MI_RPN is written, bits in
* this register are used to create the TLB entry.
*/
-#define SPRN_MI_EPN 787
+/* SPRN_MI_EPN */
#define MI_EPNMASK 0xfffff000 /* Effective page number for entry */
#define MI_EVALID 0x00000200 /* Entry is valid */
#define MI_ASIDMASK 0x0000000f /* ASID match value */
@@ -54,7 +54,7 @@
* For the instruction TLB, it contains bits that get loaded into the
* TLB entry when the MI_RPN is written.
*/
-#define SPRN_MI_TWC 789
+/* SPRN_MI_TWC */
#define MI_APG 0x000001e0 /* Access protection group (0) */
#define MI_GUARDED 0x00000010 /* Guarded storage */
#define MI_PSMASK 0x0000000c /* Mask of page size bits */
@@ -68,7 +68,7 @@
* causes a TLB entry to be created for the instruction TLB, using
* additional information from the MI_EPN, and MI_TWC registers.
*/
-#define SPRN_MI_RPN 790
+/* SPRN_MI_RPN */
#define MI_SPS16K 0x00000008 /* Small page size (0 = 4k, 1 = 16k) */
/* Define an RPN value for mapping kernel memory to large virtual
@@ -78,7 +78,7 @@
*/
#define MI_BOOTINIT 0x000001fd
-#define SPRN_MD_CTR 792 /* Data TLB control register */
+/* SPRN_MD_CTR */ /* Data TLB control register */
#define MD_GPM 0x80000000 /* Set domain manager mode */
#define MD_PPM 0x40000000 /* Set subpage protection */
#define MD_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */
@@ -89,14 +89,14 @@
#define MD_IDXMASK 0x00001f00 /* TLB index to be loaded */
#define MD_RESETVAL 0x04000000 /* Value of register at reset */
-#define SPRN_M_CASID 793 /* Address space ID (context) to match */
+/* SPRN_M_CASID */ /* Address space ID (context) to match */
#define MC_ASIDMASK 0x0000000f /* Bits used for ASID value */
/* These are the Ks and Kp from the PowerPC books. For proper operation,
* Ks = 0, Kp = 1.
*/
-#define SPRN_MD_AP 794
+/* SPRN_MD_AP */
#define MD_Ks 0x80000000 /* Should not be set */
#define MD_Kp 0x40000000 /* Should always be set */
@@ -117,7 +117,7 @@
* about the last instruction TLB miss. When MD_RPN is written, bits in
* this register are used to create the TLB entry.
*/
-#define SPRN_MD_EPN 795
+/* SPRN_MD_EPN */
#define MD_EPNMASK 0xfffff000 /* Effective page number for entry */
#define MD_EVALID 0x00000200 /* Entry is valid */
#define MD_ASIDMASK 0x0000000f /* ASID match value */
@@ -127,7 +127,7 @@
* During a software tablewalk, reading this register provides the address
* of the entry associated with MD_EPN.
*/
-#define SPRN_M_TWB 796
+/* SPRN_M_TWB */
#define M_L1TB 0xfffff000 /* Level 1 table base address */
#define M_L1INDX 0x00000ffc /* Level 1 index, when read */
/* Reset value is undefined */
@@ -137,7 +137,7 @@
* when the MD_RPN is written. It is also provides the hardware assist
* for finding the PTE address during software tablewalk.
*/
-#define SPRN_MD_TWC 797
+/* SPRN_MD_TWC */
#define MD_L2TB 0xfffff000 /* Level 2 table base address */
#define MD_L2INDX 0xfffffe00 /* Level 2 index (*pte), when read */
#define MD_APG 0x000001e0 /* Access protection group (0) */
@@ -155,13 +155,13 @@
* causes a TLB entry to be created for the data TLB, using
* additional information from the MD_EPN, and MD_TWC registers.
*/
-#define SPRN_MD_RPN 798
+/* SPRN_MD_RPN */
#define MD_SPS16K 0x00000008 /* Small page size (0 = 4k, 1 = 16k) */
/* This is a temporary storage register that could be used to save
* a processor working register during a tablewalk.
*/
-#define SPRN_M_TW 799
+/* SPRN_M_TW */
#ifndef __ASSEMBLY__
typedef struct {
diff --git a/arch/powerpc/include/asm/reg_8xx.h b/arch/powerpc/include/asm/reg_8xx.h
index e8ea346..150323c 100644
--- a/arch/powerpc/include/asm/reg_8xx.h
+++ b/arch/powerpc/include/asm/reg_8xx.h
@@ -4,6 +4,21 @@
#ifndef _ASM_POWERPC_REG_8xx_H
#define _ASM_POWERPC_REG_8xx_H
+/* MMU registers */
+#define SPRN_MI_CTR 784 /* Instruction TLB control register */
+#define SPRN_MI_AP 786
+#define SPRN_MI_EPN 787
+#define SPRN_MI_TWC 789
+#define SPRN_MI_RPN 790
+#define SPRN_MD_CTR 792 /* Data TLB control register */
+#define SPRN_M_CASID 793 /* Address space ID (context) to match */
+#define SPRN_MD_AP 794
+#define SPRN_MD_EPN 795
+#define SPRN_M_TWB 796
+#define SPRN_MD_TWC 797
+#define SPRN_MD_RPN 798
+#define SPRN_M_TW 799
+
/* Cache control on the MPC8xx is provided through some additional
* special purpose registers.
*/
@@ -14,6 +29,15 @@
#define SPRN_DC_ADR 569 /* Address needed for some commands */
#define SPRN_DC_DAT 570 /* Read-only data register */
+/* Misc Debug */
+#define SPRN_DPDR 630
+#define SPRN_MI_CAM 816
+#define SPRN_MI_RAM0 817
+#define SPRN_MI_RAM1 818
+#define SPRN_MD_CAM 824
+#define SPRN_MD_RAM0 825
+#define SPRN_MD_RAM1 826
+
/* Commands. Only the first few are available to the instruction cache.
*/
#define IDC_ENABLE 0x02000000 /* Cache enable */
--
2.1.0
--
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