80486DX2-66/86Box-fork
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Make the SMC FDC37c935 Super I/O chip on the HP Brio 80xx and Packard Bell PB810 correctly use port 370h instead of the standard 3F0h, fixes #4427.

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This commit is contained in:
OBattler
2024-05-07 20:09:30 +02:00
parent fedb2f37e5
commit 509305f2f1
3 changed files with 26 additions and 9 deletions
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1
src/include/86box/sio.h
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@@ -43,6 +43,7 @@ extern const device_t fdc37c931apm_compaq_device;
extern const device_t fdc37c932fr_device;
extern const device_t fdc37c932qf_device;
extern const device_t fdc37c935_device;
extern const device_t fdc37c935_370_device;
extern const device_t fdc37c935_no_nvr_device;
extern const device_t fdc37m60x_device;
extern const device_t fdc37m60x_370_device;

4
src/machine/m_at_socket7.c
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@@ -657,7 +657,7 @@ machine_at_brio80xx_init(const machine_t *model)
pci_register_slot(0x00, PCI_CARD_NORTHBRIDGE, 0, 0, 0, 0);
device_add(&i430vx_device);
device_add(&piix3_device);
device_add(&fdc37c935_device);
device_add(&fdc37c935_370_device);
device_add(&sst_flash_29ee020_device);
return ret;
@@ -726,7 +726,7 @@ machine_at_pb810_init(const machine_t *model)
device_add(&i430vx_device);
device_add(&piix3_device);
device_add(&fdc37c935_device);
device_add(&fdc37c935_370_device);
device_add(&intel_flash_bxt_device);
return ret;

18
src/sio/sio_fdc37c93x.c
View File

@@ -54,6 +54,7 @@ typedef struct fdc37c93x_t {
uint8_t is_apm;
uint8_t has_nvr;
uint8_t tries;
uint8_t port_370;
uint8_t gpio_regs[2];
uint8_t auxio_reg;
uint8_t regs[48];
@@ -785,7 +786,7 @@ fdc37c93x_reset(fdc37c93x_t *dev)
dev->regs[0x21] = 0x01;
dev->regs[0x22] = 0x39;
dev->regs[0x24] = 0x04;
dev->regs[0x26] = 0xF0;
dev->regs[0x26] = dev->port_370 ? 0x70 : 0xF0;
dev->regs[0x27] = 0x03;
for (uint8_t i = 0; i < 11; i++)
@@ -947,6 +948,7 @@ fdc37c93x_init(const device_t *info)
dev->is_apm = (info->local >> 8) & 0x01;
is_compaq = (info->local >> 8) & 0x02;
dev->has_nvr = !((info->local >> 8) & 0x04);
dev->port_370 = ((info->local >> 8) & 0x08);
dev->gpio_regs[0] = 0xff;
#if 0
@@ -1053,6 +1055,20 @@ const device_t fdc37c935_device = {
.config = NULL
};
const device_t fdc37c935_370_device = {
.name = "SMC FDC37C935 Super I/O (Port 370h)",
.internal_name = "fdc37c935_370",
.flags = 0,
.local = 0x802,
.init = fdc37c93x_init,
.close = fdc37c93x_close,
.reset = NULL,
{ .available = NULL },
.speed_changed = NULL,
.force_redraw = NULL,
.config = NULL
};
const device_t fdc37c935_no_nvr_device = {
.name = "SMC FDC37C935 Super I/O",
.internal_name = "fdc37c935",