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authorMichael Ellerman <michael@ellerman.id.au>2007-05-08 12:58:35 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-08 13:40:31 +1000
commit014dad902aad6f5efbd65d0524b2e99304d2b07e (patch)
tree380265112a91c3f9f917272ee43dc2aa469a493a /arch/powerpc
parent85f2bf9f60f55b6727ed310ebbaa2df7142326e5 (diff)
[POWERPC] Tell Phyp we support MSI
Tell Phyp we support MSI via the client architecture support mechanism. Signed-off-by: Jake Moilanen <moilanen@austin.ibm.com> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kernel/prom_init.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index eee3555ced7..d6047c44103 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -635,6 +635,12 @@ static void __init early_cmdline_parse(void)
/* ibm,dynamic-reconfiguration-memory property supported */
#define OV5_DRCONF_MEMORY 0x20
#define OV5_LARGE_PAGES 0x10 /* large pages supported */
+/* PCIe/MSI support. Without MSI full PCIe is not supported */
+#ifdef CONFIG_PCI_MSI
+#define OV5_MSI 0x01 /* PCIe/MSI support */
+#else
+#define OV5_MSI 0x00
+#endif /* CONFIG_PCI_MSI */
/*
* The architecture vector has an array of PVR mask/value pairs,
@@ -679,7 +685,7 @@ static unsigned char ibm_architecture_vec[] = {
/* option vector 5: PAPR/OF options */
3 - 2, /* length */
0, /* don't ignore, don't halt */
- OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY,
+ OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_MSI,
};
/* Old method - ELF header with PT_NOTE sections */