claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added SiS 550x, 558x, 559x, (5)600, UMC UM8890, UMC UM8663 Super I/O Chips, UMC UM8673F and Winbond W83769F IDE Contollers, and a number of machines, and fixes to the UM888x 486 chipset.

Browse Source
This commit is contained in:
OBattler
2024-02-22 00:52:20 +01:00
parent c902282dbf
commit 58a0c840c1
54 changed files with 10672 additions and 2289 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/device/pci_bridge.c
View File

@@ -41,11 +41,13 @@
#define AGP_BRIDGE_VIA_598 0x11068598
#define AGP_BRIDGE_VIA_691 0x11068691
#define AGP_BRIDGE_VIA_8601 0x11068601
#define AGP_BRIDGE_SIS_5XXX 0x10390001
#define AGP_BRIDGE_ALI(x) (((x) >> 16) == 0x10b9)
#define AGP_BRIDGE_INTEL(x) (((x) >> 16) == 0x8086)
#define AGP_BRIDGE_VIA(x) (((x) >> 16) == 0x1106)
#define AGP_BRIDGE(x) ((x) >= AGP_BRIDGE_ALI_M5243)
#define AGP_BRIDGE_SIS(x) (((x) >> 16) == 0x1039)
#define AGP_BRIDGE(x) ((x) >= AGP_BRIDGE_SIS_5XXX)
typedef struct pci_bridge_t {
uint32_t local;
@@ -134,6 +136,8 @@ pci_bridge_write(int func, int addr, uint8_t val, void *priv)
val |= 0x02;
else if (dev->local == AGP_BRIDGE_ALI_M5247)
val &= 0xc3;
else if (AGP_BRIDGE_SIS(dev->local))
val &= 0x27;
else
val &= 0x67;
break;
@@ -194,7 +198,8 @@ pci_bridge_write(int func, int addr, uint8_t val, void *priv)
case 0x22:
case 0x24:
case 0x26:
val &= 0xf0;
val &= 0xf0; /* SiS datasheets say 0Fh for 1Ch but that's clearly an erratum since the
definition of the bits is identical to the other vendors' AGP bridges. */
break;
case 0x3c:
@@ -205,6 +210,8 @@ pci_bridge_write(int func, int addr, uint8_t val, void *priv)
case 0x3e:
if (AGP_BRIDGE_VIA(dev->local))
val &= 0x0c;
else if (AGP_BRIDGE_SIS(dev->local))
val &= 0x0e;
else if (dev->local == AGP_BRIDGE_ALI_M5247)
val &= 0x0f;
else if (dev->local == AGP_BRIDGE_ALI_M5243)
@@ -668,3 +675,17 @@ const device_t via_vt8601_agp_device = {
.force_redraw = NULL,
.config = NULL
};
const device_t sis_5xxx_agp_device = {
.name = "SiS 5591/(5)600 AGP Bridge",
.internal_name = "via_5xxx_agp",
.flags = DEVICE_PCI,
.local = AGP_BRIDGE_SIS_5XXX,
.init = pci_bridge_init,
.close = NULL,
.reset = pci_bridge_reset,
{ .available = NULL },
.speed_changed = NULL,
.force_redraw = NULL,
.config = NULL
};