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authorDavid S. Miller <davem@sunset.davemloft.net>2007-08-08 20:11:39 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-08-08 20:33:45 -0400
commit6c70b6fc7b6fc321636a014082d9e32333da1f80 (patch)
treeff0e52bb7ba43b058b7cbb88b952fd268fbe3ad2 /include/asm-sparc64
parent68c9f9fd336dc7e793cecad25f8ac40ccaa7a256 (diff)
[SPARC64]: Do not assume sun4v chips have load-twin/store-init support.
Check the cpu type in the OBP device tree before committing to using the optimized Niagara memcpy and memset implementation. If we don't recognize the cpu type, use a completely generic version. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64')
-rw-r--r--include/asm-sparc64/oplib.h7
-rw-r--r--include/asm-sparc64/spitfire.h7
-rw-r--r--include/asm-sparc64/xor.h6
3 files changed, 16 insertions, 4 deletions
diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h
index 3f23c5dc5f21..86dc5c018a19 100644
--- a/include/asm-sparc64/oplib.h
+++ b/include/asm-sparc64/oplib.h
@@ -1,8 +1,7 @@
1/* $Id: oplib.h,v 1.14 2001/12/19 00:29:51 davem Exp $ 1/* oplib.h: Describes the interface and available routines in the
2 * oplib.h: Describes the interface and available routines in the
3 * Linux Prom library. 2 * Linux Prom library.
4 * 3 *
5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) 4 * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
6 * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) 5 * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
7 */ 6 */
8 7
@@ -31,8 +30,10 @@ extern int prom_chosen_node;
31extern const char prom_peer_name[]; 30extern const char prom_peer_name[];
32extern const char prom_compatible_name[]; 31extern const char prom_compatible_name[];
33extern const char prom_root_compatible[]; 32extern const char prom_root_compatible[];
33extern const char prom_cpu_compatible[];
34extern const char prom_finddev_name[]; 34extern const char prom_finddev_name[];
35extern const char prom_chosen_path[]; 35extern const char prom_chosen_path[];
36extern const char prom_cpu_path[];
36extern const char prom_getprop_name[]; 37extern const char prom_getprop_name[];
37extern const char prom_mmu_name[]; 38extern const char prom_mmu_name[];
38extern const char prom_callmethod_name[]; 39extern const char prom_callmethod_name[];
diff --git a/include/asm-sparc64/spitfire.h b/include/asm-sparc64/spitfire.h
index 23ad8a7987ad..cf7807813e85 100644
--- a/include/asm-sparc64/spitfire.h
+++ b/include/asm-sparc64/spitfire.h
@@ -38,6 +38,11 @@
38 38
39#define L1DCACHE_SIZE 0x4000 39#define L1DCACHE_SIZE 0x4000
40 40
41#define SUN4V_CHIP_INVALID 0x00
42#define SUN4V_CHIP_NIAGARA1 0x01
43#define SUN4V_CHIP_NIAGARA2 0x02
44#define SUN4V_CHIP_UNKNOWN 0xff
45
41#ifndef __ASSEMBLY__ 46#ifndef __ASSEMBLY__
42 47
43enum ultra_tlb_layout { 48enum ultra_tlb_layout {
@@ -49,6 +54,8 @@ enum ultra_tlb_layout {
49 54
50extern enum ultra_tlb_layout tlb_type; 55extern enum ultra_tlb_layout tlb_type;
51 56
57extern int sun4v_chip_type;
58
52extern int cheetah_pcache_forced_on; 59extern int cheetah_pcache_forced_on;
53extern void cheetah_enable_pcache(void); 60extern void cheetah_enable_pcache(void);
54 61
diff --git a/include/asm-sparc64/xor.h b/include/asm-sparc64/xor.h
index 8ce3f1813e28..a0233884fc94 100644
--- a/include/asm-sparc64/xor.h
+++ b/include/asm-sparc64/xor.h
@@ -63,4 +63,8 @@ static struct xor_block_template xor_block_niagara = {
63 63
64/* For VIS for everything except Niagara. */ 64/* For VIS for everything except Niagara. */
65#define XOR_SELECT_TEMPLATE(FASTEST) \ 65#define XOR_SELECT_TEMPLATE(FASTEST) \
66 (tlb_type == hypervisor ? &xor_block_niagara : &xor_block_VIS) 66 ((tlb_type == hypervisor && \
67 (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \
68 sun4v_chip_type == SUN4V_CHIP_NIAGARA2)) ? \
69 &xor_block_niagara : \
70 &xor_block_VIS)