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authorDavid S. Miller <davem@davemloft.net>2008-06-13 23:52:39 -0400
committerDavid S. Miller <davem@davemloft.net>2008-06-13 23:52:39 -0400
commit4ae127d1b6c71f9240dd4245f240e6dd8fc98014 (patch)
treeb7aa27b3e0c655f4613fe2146cb57d7f69e421f6 /arch/mips/pci/ops-bridge.c
parent875ec4333b99144e2589e900a0bcd2c25c757b27 (diff)
parent7775c9753b94fe429dc4323360d6502c95e0dd6e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/smc911x.c
Diffstat (limited to 'arch/mips/pci/ops-bridge.c')
-rw-r--r--arch/mips/pci/ops-bridge.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/mips/pci/ops-bridge.c b/arch/mips/pci/ops-bridge.c
index 1fa09929cd7a..b46b3e211775 100644
--- a/arch/mips/pci/ops-bridge.c
+++ b/arch/mips/pci/ops-bridge.c
@@ -14,6 +14,22 @@
14#include <asm/sn/sn0/hub.h> 14#include <asm/sn/sn0/hub.h>
15 15
16/* 16/*
17 * Most of the IOC3 PCI config register aren't present
18 * we emulate what is needed for a normal PCI enumeration
19 */
20static u32 emulate_ioc3_cfg(int where, int size)
21{
22 if (size == 1 && where == 0x3d)
23 return 0x01;
24 else if (size == 2 && where == 0x3c)
25 return 0x0100;
26 else if (size == 4 && where == 0x3c)
27 return 0x00000100;
28
29 return 0;
30}
31
32/*
17 * The Bridge ASIC supports both type 0 and type 1 access. Type 1 is 33 * The Bridge ASIC supports both type 0 and type 1 access. Type 1 is
18 * not really documented, so right now I can't write code which uses it. 34 * not really documented, so right now I can't write code which uses it.
19 * Therefore we use type 0 accesses for now even though they won't work 35 * Therefore we use type 0 accesses for now even though they won't work
@@ -64,7 +80,7 @@ oh_my_gawd:
64 * generic PCI code a chance to look at the wrong register. 80 * generic PCI code a chance to look at the wrong register.
65 */ 81 */
66 if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) { 82 if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
67 *value = 0; 83 *value = emulate_ioc3_cfg(where, size);
68 return PCIBIOS_SUCCESSFUL; 84 return PCIBIOS_SUCCESSFUL;
69 } 85 }
70 86
@@ -127,7 +143,7 @@ oh_my_gawd:
127 * generic PCI code a chance to look at the wrong register. 143 * generic PCI code a chance to look at the wrong register.
128 */ 144 */
129 if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) { 145 if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
130 *value = 0; 146 *value = emulate_ioc3_cfg(where, size);
131 return PCIBIOS_SUCCESSFUL; 147 return PCIBIOS_SUCCESSFUL;
132 } 148 }
133 149