summaryrefslogtreecommitdiff
path: root/src/southbridge/intel/i82870/pci_parity.c
blob: fe27abf280cc532e29ea1f23290d3149b9f29526 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
#include <pci.h>
#include <arch/io.h>
#include <printk.h>
#

void p64h2_pci_parity_enable(void)
{
        uint8_t reg;

        /* 2SERREN - SERR enable for PCI bridge secondary device  */
        /* 2PEREN  - Parity error for PCI bridge secondary device  */
        pcibios_read_config_byte(1, ((29 << 3) + (0 << 0)), 0x3e, &reg);
        reg |= ((1 << 1) + (1 << 0));
        pcibios_write_config_byte(1, ((29 << 3) + (0 << 0)), 0x3e, reg);

        /* 2SERREN - SERR enable for PCI bridge secondary device  */
        /* 2PEREN  - Parity error for PCI bridge secondary device  */
        pcibios_read_config_byte(1, ((31 << 3) + (0 << 0)), 0x3e, &reg);
        reg |= ((1 << 1) + (1 << 0));
        pcibios_write_config_byte(1, ((31 << 3) + (0 << 0)), 0x3e, reg);

        return;
}