mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 14:36:14 +02:00
1d70fe9050
This is based on the patch by Peter Wagner. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34252 3c298f89-4303-0410-b956-a3cf2f4a3e73
105 lines
2.7 KiB
Diff
105 lines
2.7 KiB
Diff
--- a/drivers/bcma/driver_pci_host.c
|
|
+++ b/drivers/bcma/driver_pci_host.c
|
|
@@ -94,19 +94,19 @@ static int bcma_extpci_read_config(struc
|
|
if (dev == 0) {
|
|
/* we support only two functions on device 0 */
|
|
if (func > 1)
|
|
- return -EINVAL;
|
|
+ goto out;
|
|
|
|
/* accesses to config registers with offsets >= 256
|
|
* requires indirect access.
|
|
*/
|
|
if (off >= PCI_CONFIG_SPACE_SIZE) {
|
|
addr = (func << 12);
|
|
- addr |= (off & 0x0FFF);
|
|
+ addr |= (off & 0x0FFC);
|
|
val = bcma_pcie_read_config(pc, addr);
|
|
} else {
|
|
addr = BCMA_CORE_PCI_PCICFG0;
|
|
addr |= (func << 8);
|
|
- addr |= (off & 0xfc);
|
|
+ addr |= (off & 0xFC);
|
|
val = pcicore_read32(pc, addr);
|
|
}
|
|
} else {
|
|
@@ -122,8 +122,6 @@ static int bcma_extpci_read_config(struc
|
|
val = 0xffffffff;
|
|
goto unmap;
|
|
}
|
|
-
|
|
- val = readl(mmio);
|
|
}
|
|
val >>= (8 * (off & 3));
|
|
|
|
@@ -151,7 +149,7 @@ static int bcma_extpci_write_config(stru
|
|
const void *buf, int len)
|
|
{
|
|
int err = -EINVAL;
|
|
- u32 addr = 0, val = 0;
|
|
+ u32 addr, val;
|
|
void __iomem *mmio = 0;
|
|
u16 chipid = pc->core->bus->chipinfo.id;
|
|
|
|
@@ -159,16 +157,22 @@ static int bcma_extpci_write_config(stru
|
|
if (unlikely(len != 1 && len != 2 && len != 4))
|
|
goto out;
|
|
if (dev == 0) {
|
|
+ /* we support only two functions on device 0 */
|
|
+ if (func > 1)
|
|
+ goto out;
|
|
+
|
|
/* accesses to config registers with offsets >= 256
|
|
* requires indirect access.
|
|
*/
|
|
- if (off < PCI_CONFIG_SPACE_SIZE) {
|
|
- addr = pc->core->addr + BCMA_CORE_PCI_PCICFG0;
|
|
+ if (off >= PCI_CONFIG_SPACE_SIZE) {
|
|
+ addr = (func << 12);
|
|
+ addr |= (off & 0x0FFC);
|
|
+ val = bcma_pcie_read_config(pc, addr);
|
|
+ } else {
|
|
+ addr = BCMA_CORE_PCI_PCICFG0;
|
|
addr |= (func << 8);
|
|
- addr |= (off & 0xfc);
|
|
- mmio = ioremap_nocache(addr, sizeof(val));
|
|
- if (!mmio)
|
|
- goto out;
|
|
+ addr |= (off & 0xFC);
|
|
+ val = pcicore_read32(pc, addr);
|
|
}
|
|
} else {
|
|
addr = bcma_get_cfgspace_addr(pc, dev, func, off);
|
|
@@ -187,12 +191,10 @@ static int bcma_extpci_write_config(stru
|
|
|
|
switch (len) {
|
|
case 1:
|
|
- val = readl(mmio);
|
|
val &= ~(0xFF << (8 * (off & 3)));
|
|
val |= *((const u8 *)buf) << (8 * (off & 3));
|
|
break;
|
|
case 2:
|
|
- val = readl(mmio);
|
|
val &= ~(0xFFFF << (8 * (off & 3)));
|
|
val |= *((const u16 *)buf) << (8 * (off & 3));
|
|
break;
|
|
@@ -200,13 +202,14 @@ static int bcma_extpci_write_config(stru
|
|
val = *((const u32 *)buf);
|
|
break;
|
|
}
|
|
- if (dev == 0 && !addr) {
|
|
+ if (dev == 0) {
|
|
/* accesses to config registers with offsets >= 256
|
|
* requires indirect access.
|
|
*/
|
|
- addr = (func << 12);
|
|
- addr |= (off & 0x0FFF);
|
|
- bcma_pcie_write_config(pc, addr, val);
|
|
+ if (off >= PCI_CONFIG_SPACE_SIZE)
|
|
+ bcma_pcie_write_config(pc, addr, val);
|
|
+ else
|
|
+ pcicore_write32(pc, addr, val);
|
|
} else {
|
|
writel(val, mmio);
|
|
|