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Broke out the ALi M5213 IDE from the ALi M1489 code (it turns out the ALi M1489 on-chip IDE is for all intents and purposes identical to the M5213) and made the Acer A1G use it.

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This commit is contained in:
OBattler
2024-01-08 23:58:30 +01:00
parent 3a62aa4ea7
commit 1d15d48ee7
6 changed files with 282 additions and 155 deletions
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161
src/chipset/ali1489.c
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@@ -41,7 +41,8 @@
#include <86box/chipset.h>
#define DEFINE_SHADOW_PROCEDURE (((dev->regs[0x14] & 0x10) ? MEM_READ_INTERNAL : MEM_READ_EXTANY) | ((dev->regs[0x14] & 0x20) ? MEM_WRITE_INTERNAL : MEM_WRITE_EXTANY))
#define DEFINE_SHADOW_PROCEDURE (((dev->regs[0x14] & 0x10) ? MEM_READ_INTERNAL : MEM_READ_EXTANY) | \
((dev->regs[0x14] & 0x20) ? MEM_WRITE_INTERNAL : MEM_WRITE_EXTANY))
#define DISABLED_SHADOW (MEM_READ_EXTANY | MEM_WRITE_EXTANY)
#ifdef ENABLE_ALI1489_LOG
@@ -64,19 +65,14 @@ ali1489_log(const char *fmt, ...)
typedef struct ali1489_t {
uint8_t index;
uint8_t ide_index;
uint8_t ide_chip_id;
uint8_t pci_slot;
uint8_t regs[256];
uint8_t pci_conf[256];
uint8_t ide_regs[256];
port_92_t *port_92;
smram_t *smram;
} ali1489_t;
static void ali1489_ide_handler(ali1489_t *dev);
static void
ali1489_shadow_recalc(ali1489_t *dev)
{
@@ -85,7 +81,8 @@ ali1489_shadow_recalc(ali1489_t *dev)
for (uint8_t i = 0; i < 8; i++) {
if (dev->regs[0x13] & (1 << i)) {
ali1489_log("%06Xh-%06Xh region shadow enabled: read = %i, write = %i\n",
0xc0000 + (i << 14), 0xc3fff + (i << 14), !!(dev->regs[0x14] & 0x10), !!(dev->regs[0x14] & 0x20));
0xc0000 + (i << 14), 0xc3fff + (i << 14),
!!(dev->regs[0x14] & 0x10), !!(dev->regs[0x14] & 0x20));
mem_set_mem_state_both(0xc0000 + (i << 14), 0x4000, DEFINE_SHADOW_PROCEDURE);
} else {
ali1489_log("%06Xh-%06Xh region shadow disabled\n", 0xc0000 + (i << 14), 0xc3fff + (i << 14));
@@ -96,7 +93,8 @@ ali1489_shadow_recalc(ali1489_t *dev)
for (uint8_t i = 0; i < 4; i++) {
if (dev->regs[0x14] & (1 << i)) {
ali1489_log("%06Xh-%06Xh region shadow enabled: read = %i, write = %i\n",
0xe0000 + (i << 15), 0xe7fff + (i << 15), !!(dev->regs[0x14] & 0x10), !!(dev->regs[0x14] & 0x20));
0xe0000 + (i << 15), 0xe7fff + (i << 15),
!!(dev->regs[0x14] & 0x10), !!(dev->regs[0x14] & 0x20));
mem_set_mem_state_both(0xe0000 + (i << 15), 0x8000, DEFINE_SHADOW_PROCEDURE);
shadowbios |= !!(dev->regs[0x14] & 0x10);
shadowbios_write |= !!(dev->regs[0x14] & 0x20);
@@ -142,25 +140,9 @@ ali1489_smram_recalc(ali1489_t *dev)
static void
ali1489_defaults(ali1489_t *dev)
{
memset(dev->ide_regs, 0x00, 256);
memset(dev->pci_conf, 0x00, 256);
memset(dev->regs, 0x00, 256);
ide_pri_disable();
ide_sec_disable();
/* IDE registers */
dev->ide_regs[0x00] = 0x57;
dev->ide_regs[0x01] = 0x02;
dev->ide_regs[0x08] = 0xff;
dev->ide_regs[0x09] = 0x41;
dev->ide_regs[0x0c] = 0x02;
dev->ide_regs[0x0e] = 0x02;
dev->ide_regs[0x10] = 0x02;
dev->ide_regs[0x12] = 0x02;
dev->ide_regs[0x34] = 0xff;
dev->ide_regs[0x35] = 0x01;
/* PCI registers */
dev->pci_conf[0x00] = 0xb9;
dev->pci_conf[0x01] = 0x10;
@@ -203,8 +185,6 @@ ali1489_defaults(ali1489_t *dev)
pci_set_irq_routing(PCI_INTB, PCI_IRQ_DISABLED);
pci_set_irq_routing(PCI_INTC, PCI_IRQ_DISABLED);
pci_set_irq_routing(PCI_INTD, PCI_IRQ_DISABLED);
ali1489_ide_handler(dev);
}
static void
@@ -385,7 +365,8 @@ ali1489_write(uint16_t addr, uint8_t val, void *priv)
break;
case 0x44: /* PCI INTx Sensitivity Register */
/* TODO: When doing the IRQ and PCI IRQ rewrite, bits 0 to 3 toggle edge/level output. */
/* TODO: When doing the IRQ and PCI IRQ rewrite,
bits 0 to 3 toggle edge/level output. */
dev->regs[dev->index] = val;
break;
default:
@@ -464,121 +445,6 @@ ali1489_pci_read(UNUSED(int func), int addr, void *priv)
return ret;
}
static void
ali1489_ide_handler(ali1489_t *dev)
{
ide_pri_disable();
ide_sec_disable();
if (dev->ide_regs[0x01] & 0x01) {
ide_pri_enable();
if (!(dev->ide_regs[0x35] & 0x40))
ide_sec_enable();
}
}
static void
ali1489_ide_write(uint16_t addr, uint8_t val, void *priv)
{
ali1489_t *dev = (ali1489_t *) priv;
switch (addr) {
case 0xf4: /* Usually it writes 30h here */
dev->ide_chip_id = val;
break;
case 0xf8:
dev->ide_index = val;
break;
case 0xfc:
if (dev->ide_chip_id != 0x30)
break;
switch (dev->ide_index) {
case 0x01: /* IDE Configuration Register */
dev->ide_regs[dev->ide_index] = val & 0x8f;
ali1489_ide_handler(dev);
break;
case 0x02: /* DBA Data Byte Cative Count for IDE-1 */
case 0x03: /* D0RA Disk 0 Read Active Count for IDE-1 */
case 0x04: /* D0WA Disk 0 Write Active Count for IDE-1 */
case 0x05: /* D1RA Disk 1 Read Active Count for IDE-1 */
case 0x06: /* D1WA Disk 1 Write Active Count for IDE-1 */
case 0x25: /* DBR Data Byte Recovery Count for IDE-1 */
case 0x26: /* D0RR Disk 0 Read Byte Recovery Count for IDE-1 */
case 0x27: /* D0WR Disk 0 Write Byte Recovery Count for IDE-1 */
case 0x28: /* D1RR Disk 1 Read Byte Recovery Count for IDE-1 */
case 0x29: /* D1WR Disk 1 Write Byte Recovery Count for IDE-1 */
case 0x2a: /* DBA Data Byte Cative Count for IDE-2 */
case 0x2b: /* D0RA Disk 0 Read Active Count for IDE-2 */
case 0x2c: /* D0WA Disk 0 Write Active Count for IDE-2 */
case 0x2d: /* D1RA Disk 1 Read Active Count for IDE-2 */
case 0x2e: /* D1WA Disk 1 Write Active Count for IDE-2 */
case 0x2f: /* DBR Data Byte Recovery Count for IDE-2 */
case 0x30: /* D0RR Disk 0 Read Byte Recovery Count for IDE-2 */
case 0x31: /* D0WR Disk 0 Write Byte Recovery Count for IDE-2 */
case 0x32: /* D1RR Disk 1 Read Byte Recovery Count for IDE-2 */
case 0x33: /* D1WR Disk 1 Write Byte Recovery Count for IDE-2 */
dev->ide_regs[dev->ide_index] = val & 0x1f;
break;
case 0x07: /* Buffer Mode Register 1 */
dev->ide_regs[dev->ide_index] = val;
break;
case 0x09: /* IDEPE1 IDE Port Enable Register 1 */
dev->ide_regs[dev->ide_index] = val & 0xc3;
break;
case 0x0a: /* Buffer Mode Register 2 */
dev->ide_regs[dev->ide_index] = val & 0x4f;
break;
case 0x0b: /* IDE Channel 1 Disk 0 Sector Byte Count Register 1 */
case 0x0d: /* IDE Channel 1 Disk 1 Sector Byte Count Register 1 */
case 0x0f: /* IDE Channel 2 Disk 0 Sector Byte Count Register 1 */
case 0x11: /* IDE Channel 2 Disk 1 Sector Byte Count Register 1 */
dev->ide_regs[dev->ide_index] = val & 0x03;
break;
case 0x0c: /* IDE Channel 1 Disk 0 Sector Byte Count Register 2 */
case 0x0e: /* IDE Channel 1 Disk 1 Sector Byte Count Register 2 */
case 0x10: /* IDE Channel 2 Disk 1 Sector Byte Count Register 2 */
case 0x12: /* IDE Channel 2 Disk 1 Sector Byte Count Register 2 */
dev->ide_regs[dev->ide_index] = val & 0x1f;
break;
case 0x35: /* IDEPE3 IDE Port Enable Register 3 */
dev->ide_regs[dev->ide_index] = val;
ali1489_ide_handler(dev);
break;
default:
break;
}
break;
default:
break;
}
}
static uint8_t
ali1489_ide_read(uint16_t addr, void *priv)
{
const ali1489_t *dev = (ali1489_t *) priv;
uint8_t ret = 0xff;
switch (addr) {
case 0xf4:
ret = dev->ide_chip_id;
break;
case 0xfc:
ret = dev->ide_regs[dev->ide_index];
ali1489_log("M1489-IDE: dev->regs[%02x] (%02x)\n", dev->ide_index, ret);
break;
default:
break;
}
return ret;
}
static void
ali1489_reset(void *priv)
{
@@ -612,19 +478,10 @@ ali1489_init(UNUSED(const device_t *info))
23h Data Port */
io_sethandler(0x0022, 0x0002, ali1489_read, NULL, NULL, ali1489_write, NULL, NULL, dev);
/* M1489 IDE controller
F4h Chip ID we write always 30h onto it
F8h Index Port
FCh Data Port
*/
io_sethandler(0x0f4, 0x0001, ali1489_ide_read, NULL, NULL, ali1489_ide_write, NULL, NULL, dev);
io_sethandler(0x0f8, 0x0001, ali1489_ide_read, NULL, NULL, ali1489_ide_write, NULL, NULL, dev);
io_sethandler(0x0fc, 0x0001, ali1489_ide_read, NULL, NULL, ali1489_ide_write, NULL, NULL, dev);
/* Dummy M1489 PCI device */
pci_add_card(PCI_ADD_NORTHBRIDGE, ali1489_pci_read, ali1489_pci_write, dev, &dev->pci_slot);
device_add(&ide_pci_2ch_device);
device_add(&ide_ali1489_device);
dev->port_92 = device_add(&port_92_pci_device);
dev->smram = smram_add();