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CMD64x: Restore native mode progif when switching classes from RAID, fixes Windows 2000 mode

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RichardG867
2025-08-02 17:59:11 -03:00
parent c7604ebed8
commit 2f7d0ea25e
1 changed files with 2 additions and 3 deletions
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5
src/disk/hdc_ide_cmd646.c
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@@ -562,10 +562,10 @@ cmd646_reset(void *priv)
dev->regs[0x03] = 0x06;
dev->regs[0x04] = 0x00;
dev->regs[0x07] = 0x02; /* DEVSEL timing: 01 medium */
dev->regs[0x09] = dev->local; /* Programming interface */
if ((dev->local & CMD_TYPE_648) && (dev->local & CMD648_RAID)) {
dev->regs[0x06] = 0x90;
dev->regs[0x08] = 0x02;
dev->regs[0x09] = 0x00; /* Programming interface */
dev->regs[0x0a] = 0x04; /* RAID controller */
dev->regs[0x50] = 0x40; /* Enable Base address register R/W;
@@ -578,7 +578,6 @@ cmd646_reset(void *priv)
dev->regs[0x1c] = 0x01;
} else {
dev->regs[0x06] = 0x80;
dev->regs[0x09] = dev->local; /* Programming interface */
dev->regs[0x0a] = 0x01; /* IDE controller */
}
dev->regs[0x0b] = 0x01; /* Mass storage controller */
@@ -587,7 +586,7 @@ cmd646_reset(void *priv)
for (int i = 0; i < 4; i++)
dev->regs[0x2c + i] = dev->regs[i];
if ((dev->regs[0x09] & 0x8a) == 0x8a) {
if ((dev->regs[0x0a] == 0x01) && ((dev->regs[0x09] & 0x8a) == 0x8a)) {
dev->regs[0x50] = 0x40; /* Enable Base address register R/W;
If 0, they return 0 and are read-only 8 */