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Move port 0xcf9 handling from i430FX/VX to PIIX, adding reset callback for FX/HX/VX northbridges.

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Add IDE reset to port 0xcf9.
Reset IDE error register on reset of non-existent devices.
Fixes IDE related issues on soft reset for ASUS boards.
This commit is contained in:
SarahW 2019-05-18 17:35:32 +01:00
commit 1dd8cf1e81
12 changed files with 83 additions and 28 deletions
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24
src/i430fx.c
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@ -119,23 +119,6 @@ uint8_t i430fx_read(int func, int addr, void *priv)
return card_i430fx[addr];
}
static uint8_t trc = 0;
void i430fx_trc_write(uint16_t port, uint8_t val, void *p)
{
if ((val & 4) && !(trc & 4))
{
if (val & 2) /*Hard reset*/
{
i430fx_write(0, 0x59, 0xf, NULL); /*Should reset all PCI devices, but just set PAM0 to point to ROM for now*/
keyboard_at_reset(); /*Reset keyboard controller to reset system flag*/
}
resetx86();
}
trc = val;
}
void i430fx_init()
{
pci_add_specific(0, i430fx_read, i430fx_write, NULL);
@ -158,6 +141,9 @@ void i430fx_init()
card_i430fx[0x72] = 0x02;
// card_i430fx[0x74] = 0x0e;
// card_i430fx[0x78] = 0x23;
io_sethandler(0x0cf9, 0x0001, NULL, NULL, NULL, i430fx_trc_write, NULL, NULL, NULL);
}
void i430fx_reset()
{
i430fx_write(0, 0x59, 0xf, NULL); /*Should reset all PCI devices, but just set PAM0 to point to ROM for now*/
}