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authorJin Zhengxiong-R64188 <Jason.Jin@freescale.com>2006-06-27 18:12:02 +0800
committerJon Loeliger <jdl@freescale.com>2006-06-27 09:18:22 -0500
commitbd22c2b97514fbfb0e03bd9c72b3445e4dbd57e2 (patch)
treec026eee6df1d929f61bf69e7b859cf5efff79a19
parentfa7db9c377bc2353a17bf1d381d65a6c418728f0 (diff)
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Fix bug for io_bar size during pci scan
During the pci scan process, Some devices return bar_reponse with the highest bytes 0, such as the pci bridge in uli1575 return bar_response with 0xffffff, So the bar_size should be manually set under 64K. Signed-off-by: Jason Jin <jason.jin@freescale.com>
-rw-r--r--drivers/pci_auto.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c
index 15f7432..9e921b2 100644
--- a/drivers/pci_auto.c
+++ b/drivers/pci_auto.c
@@ -102,7 +102,8 @@ void pciauto_setup_device(struct pci_controller *hose,
/* Check the BAR type and set our address mask */
if (bar_response & PCI_BASE_ADDRESS_SPACE) {
- bar_size = ~(bar_response & PCI_BASE_ADDRESS_IO_MASK) + 1;
+ bar_size = ((~(bar_response & PCI_BASE_ADDRESS_IO_MASK))
+ & 0xffff) + 1;
bar_res = io;
DEBUGF("PCI Autoconfig: BAR %d, I/O, size=0x%x, ", bar_nr, bar_size);