* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
int (*board_pci_idsel)(unsigned int devsel, int assert);
-/* CP0 hazard avoidance. */
-#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \
- "nop; nop; nop; nop;\t" \
- ".set reorder\n\t")
-
void mod_wired_entry(int entry, unsigned long entrylo0,
unsigned long entrylo1, unsigned long entryhi,
unsigned long pagemask)
old_ctx = read_c0_entryhi() & 0xff;
old_pagemask = read_c0_pagemask();
write_c0_index(entry);
- BARRIER;
write_c0_pagemask(pagemask);
write_c0_entryhi(entryhi);
write_c0_entrylo0(entrylo0);
write_c0_entrylo1(entrylo1);
- BARRIER;
tlb_write_indexed();
- BARRIER;
write_c0_entryhi(old_ctx);
- BARRIER;
write_c0_pagemask(old_pagemask);
}
if (first_cfg) {
/* reserve a wired entry for pci config accesses */
first_cfg = 0;
- pci_cfg_vm = get_vm_area(0x2000, 0);
+ pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP);
if (!pci_cfg_vm)
panic (KERN_ERR "PCI unable to get vm area\n");
pci_cfg_wired_entry = read_c0_wired();
last_entryLo0 = last_entryLo1 = 0xffffffff;
}
- /* Since the Au1xxx doesn't do the idsel timing exactly to spec,
- * many board vendors implement their own off-chip idsel, so call
- * it now. If it doesn't succeed, may as well bail out at this point.
+ /* Allow board vendors to implement their own off-chip idsel.
+ * If it doesn't succeed, may as well bail out at this point.
*/
if (board_pci_idsel) {
if (board_pci_idsel(device, 1) == 0) {
int where, int size, u32 * val)
{
switch (size) {
- case 1:
- return read_config_byte(bus, devfn, where, (u8 *) val);
- case 2:
- return read_config_word(bus, devfn, where, (u16 *) val);
+ case 1: {
+ u8 _val;
+ int rc = read_config_byte(bus, devfn, where, &_val);
+ *val = _val;
+ return rc;
+ }
+ case 2: {
+ u16 _val;
+ int rc = read_config_word(bus, devfn, where, &_val);
+ *val = _val;
+ return rc;
+ }
default:
return read_config_dword(bus, devfn, where, val);
}