[tip:x86/olpc] x86, olpc: Only enable PCI configuration type override on XO-1

tip-bot for Daniel Drake
2010-09-23T20:05:21Z

Commit-ID: 76fb657017588a0912f0d1d140cb807446e4ef05
Gitweb: http://git.kernel.org/tip/76fb657017588a0912f0d1d140cb807446e4ef05
Author: Daniel Drake <dsd@laptop.org>
AuthorDate: Thu, 23 Sep 2010 17:28:04 +0100
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Thu, 23 Sep 2010 11:14:18 -0700

x86, olpc: Only enable PCI configuration type override on XO-1

This configuration type override is for XO-1 only and must not happen
on XO-1.5.

Signed-off-by: Daniel Drake <dsd@laptop.org>
LKML-Reference: <20100923162805.0F6549D401B@zog.reactivated.net>
Cc: Andres Solomon <dilinger@queued.net>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/Kconfig | 2 +-
arch/x86/kernel/olpc.c | 6 ++++--
arch/x86/pci/olpc.c | 2 +-
3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cea0cd9..0ed4c9b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1900,7 +1900,7 @@ config PCI_GODIRECT
bool "Direct"

config PCI_GOOLPC
- bool "OLPC"
+ bool "OLPC XO-1"
depends on OLPC

config PCI_GOANY
diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c
index 0e0cdde..635888c 100644
--- a/arch/x86/kernel/olpc.c
+++ b/arch/x86/kernel/olpc.c
@@ -242,8 +242,10 @@ static int __init olpc_init(void)
(unsigned char *) &olpc_platform_info.ecver, 1);

#ifdef CONFIG_PCI_OLPC
- /* If the VSA exists let it emulate PCI, if not emulate in kernel */
- if (!cs5535_has_vsa2())
+ /* If the VSA exists let it emulate PCI, if not emulate in kernel.
+ * XO-1 only. */
+ if (olpc_platform_info.boardrev < olpc_board_pre(0xd0) &&
+ !cs5535_has_vsa2())
x86_init.pci.arch_init = pci_olpc_init;
#endif

diff --git a/arch/x86/pci/olpc.c b/arch/x86/pci/olpc.c
index b348154..13700ec 100644
--- a/arch/x86/pci/olpc.c
+++ b/arch/x86/pci/olpc.c
@@ -304,7 +304,7 @@ static struct pci_raw_ops pci_olpc_conf = {

int __init pci_olpc_init(void)
{
- printk(KERN_INFO "PCI: Using configuration type OLPC\n");
+ printk(KERN_INFO "PCI: Using configuration type OLPC XO-1\n");
raw_pci_ops = &pci_olpc_conf;
is_lx = is_geode_lx();
return 0;