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Fixed ALi M1543(C) PCI IDE controller BAR's, including a datasheet erratum, fixes Windows 9x/ME ALi PCI IDE drivers, fixes #2667.

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OBattler
2022-10-26 00:25:18 +02:00
parent 4d9b894fec
commit d79596b3e2
1 changed files with 10 additions and 4 deletions
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14
src/chipset/ali1543.c
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@@ -751,9 +751,15 @@ ali5229_write(int func, int addr, uint8_t val, void *priv)
/* Bus Mastering Base Address */
case 0x20:
case 0x21:
case 0x22:
case 0x23:
dev->ide_conf[addr] = val;
/* Datasheet erratum: the PCI BAR's actually have different sizes. */
if (addr == 0x20)
dev->ide_conf[addr] = (val & 0xe0) | 0x01;
else if ((addr & 0x43) == 0x00)
dev->ide_conf[addr] = (val & 0xf8) | 0x01;
else if ((addr & 0x43) == 0x40)
dev->ide_conf[addr] = (val & 0xfc) | 0x01;
else
dev->ide_conf[addr] = val;
ali5229_ide_handler(dev);
break;
@@ -1568,7 +1574,7 @@ ali1543_init(const device_t *info)
dev->offset = (info->local >> 8) & 0x7f;
if (info->local & 0x8000)
dev->offset = -dev->offset;
pclog("Offset = %i\n", dev->offset);
ali1543_log("Offset = %i\n", dev->offset);
pci_enable_mirq(0);
pci_enable_mirq(1);