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Implement DRB locking for VIA Apollo chipsets

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This commit is contained in:
RichardG867
2020-06-26 22:05:32 -03:00
parent 0b871b56c0
commit aea5461255
2 changed files with 23 additions and 6 deletions
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8
src/chipset/via_apollo.c
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@@ -32,6 +32,7 @@
#include <86box/device.h>
#include <86box/keyboard.h>
#include <86box/chipset.h>
#include <86box/spd.h>
typedef struct via_apollo_t
@@ -226,6 +227,13 @@ via_apollo_host_bridge_write(int func, int addr, uint8_t val, void *priv)
dev->pci_conf[0][0x53] = (dev->pci_conf[0][0x53] & ~0xf0) | (val & 0xf0);
break;
case 0x56: case 0x57: case 0x5a: case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f: /* DRAM Row Ending Address */
if (dev->id >= 0x0691)
spd_write_drbs(dev->pci_conf[0], 0x5a, 0x56, 8);
else if (addr >= 0x5a)
spd_write_drbs(dev->pci_conf[0], 0x5a, 0x5f, 8);
break;
case 0x58:
if (dev->id == 0x0597)
dev->pci_conf[0][0x58] = (dev->pci_conf[0][0x58] & ~0xee) | (val & 0xee);