From: Michael Ellerman <michael@ellerman•id.au>
To: Paul Mackerras <paulus@samba•org>
Cc: linuxppc-dev@ozlabs•org
Subject: [PATCH 4/7] Tell Phyp we support MSI
Date: Tue, 08 May 2007 12:58:35 +1000 [thread overview]
Message-ID: <20070508025840.DF3F2DDF56@ozlabs.org> (raw)
In-Reply-To: <1178593113.675058.404575641543.qpush@cradle>
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>
---
arch/powerpc/kernel/prom_init.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
Index: msi-new/arch/powerpc/kernel/prom_init.c
===================================================================
--- msi-new.orig/arch/powerpc/kernel/prom_init.c
+++ msi-new/arch/powerpc/kernel/prom_init.c
@@ -635,6 +635,12 @@ static void __init early_cmdline_parse(v
/* 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_ve
/* 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 */
next prev parent reply other threads:[~2007-05-08 2:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-08 2:58 [PATCH 1/7] Rip out the existing powerpc msi stubs Michael Ellerman
2007-05-08 2:58 ` [PATCH 2/7] Powerpc MSI infrastructure Michael Ellerman
2007-05-08 2:58 ` [PATCH 3/7] RTAS MSI implementation Michael Ellerman
2007-05-08 2:58 ` Michael Ellerman [this message]
2007-05-08 2:58 ` [PATCH 6/7] MPIC MSI allocator Michael Ellerman
2007-05-08 2:58 ` [PATCH 5/7] Enable MSI mappings for MPIC Michael Ellerman
2007-05-08 2:58 ` [PATCH 7/7] MPIC U3/U4 MSI backend Michael Ellerman
2007-05-08 8:55 ` Johannes Berg
2007-05-08 9:04 ` Johannes Berg
2007-05-08 23:43 ` Benjamin Herrenschmidt
2007-05-12 8:28 ` Johannes Berg
2007-05-12 9:06 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2007-04-19 7:35 [PATCH 1/7] Rip out the existing powerpc msi stubs Michael Ellerman
2007-04-19 7:35 ` [PATCH 4/7] Tell Phyp we support MSI Michael Ellerman
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