Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=eb12af43333dd9d54158f35147a79628c41152db
Commit: eb12af43333dd9d54158f35147a79628c41152db
Parent: 7391ff35b241dbcba471e05059b5c05fdc8196db
Author: Kumar Gala <[EMAIL PROTECTED]>
AuthorDate: Fri Jul 20 16:29:09 2007 -0500
Committer: Kumar Gala <[EMAIL PROTECTED]>
CommitDate: Mon Jul 23 22:30:14 2007 -0500
[POWERPC] FSL: Add support for PCI-X controllers
Some set of 85xx platforms have PCI-X controllers. The old arch/ppc
code setup these controllers and we haven't moved it over to arch/powerpc.
We use the PCI-X Capabilties to know if we are in PCI-X mode instead
of the Global Utilities PORDEVSR.
Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---
arch/powerpc/sysdev/fsl_pci.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index f88a9ae..13aaefc 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -89,11 +89,22 @@ void __init setup_pci_atmu(struct pci_controller *hose,
struct resource *rsrc)
void __init setup_pci_cmd(struct pci_controller *hose)
{
u16 cmd;
+ int cap_x;
+
early_read_config_word(hose, 0, 0, PCI_COMMAND, &cmd);
cmd |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY
| PCI_COMMAND_IO;
early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd);
- early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);
+
+ cap_x = early_find_capability(hose, 0, 0, PCI_CAP_ID_PCIX);
+ if (cap_x) {
+ int pci_x_cmd = cap_x + PCI_X_CMD;
+ cmd = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
+ | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
+ early_write_config_word(hose, 0, 0, pci_x_cmd, cmd);
+ } else {
+ early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);
+ }
}
static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev)
-
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