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fixed bug in I/O PCIBAR detection

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This commit is contained in:
Markus Fröschle
2013-12-31 15:22:29 +00:00
parent 3f071add1d
commit ebf745a916
1 changed files with 4 additions and 3 deletions
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7
pci/pci.c
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@@ -637,7 +637,7 @@ static void pci_device_config(uint16_t bus, uint16_t device, uint16_t function)
for (i = 0; i < 6 * 4; i += 4) /* for all bars */
{
/*
* read BAR[i] value
* read BAR[i] value (FIXME: no need to do this, actually, this will contain no meaningful value anyway)
*/
value = swpl(pci_read_config_longword(handle, PCIBAR0 + i));
@@ -658,7 +658,8 @@ static void pci_device_config(uint16_t bus, uint16_t device, uint16_t function)
*/
struct pci_rd *rd = &descriptors[barnum];
if (IS_PCI_MEM_BAR(value))
dbg("%s: address = %08x\r\n", __FUNCTION__, address);
if (IS_PCI_MEM_BAR(address))
{
/* adjust base address to card's alignment requirements */
int size = ~(address & 0xfffffff0) + 1;
@@ -692,7 +693,7 @@ static void pci_device_config(uint16_t bus, uint16_t device, uint16_t function)
/* index to next unused resource descriptor */
barnum++;
}
else if (IS_PCI_IO_BAR(value)) /* same as above for I/O resources */
else if (IS_PCI_IO_BAR(address)) /* same as above for I/O resources */
{
int size = ~(address & 0xfffffffc) + 1;
dbg("device 0x%x: BAR[%d] requests %d bytes of I/O space\r\n", handle, i, size);