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RTL8019AS and ISA PnP: More fixes.

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This commit is contained in:
OBattler
2025-09-25 00:58:53 +02:00
parent b2b5acfa3f
commit ae369dc34d
3 changed files with 147 additions and 45 deletions
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86
src/network/net_ne2000.c
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@@ -69,6 +69,7 @@
#include <86box/isapnp.h>
#include <86box/plat_fallthrough.h>
#include <86box/plat_unused.h>
#include "cpu.h"
/* ROM BIOS file paths. */
#define ROM_PATH_NE1000 "roms/network/ne1000/ne1000.rom"
@@ -340,7 +341,7 @@ page3_read(nic_t *dev, uint32_t off, UNUSED(unsigned int len))
case 0x3: /* CONFIG0 */
if (dev->board == NE2K_RTL8019AS_PNP)
ret = (dev->config0 & 0xc0) | 0x10; /* Cable not BNC */
ret = dev->config0;
else
ret = 0x00; /* Cable not BNC */
break;
@@ -418,20 +419,20 @@ page3_write(nic_t *dev, uint32_t off, uint32_t val, UNUSED(unsigned len))
if ((val & 0xc0) == 0x80)
nmc93cxx_eeprom_write(dev->eeprom, !!(val & 0x08), !!(val & 0x04), !!(val & 0x02));
else if ((val & 0xc0) == 0x40) {
uint8_t *data = (uint8_t *) nmc93cxx_eeprom_data(dev->eeprom);
uint8_t *data = (uint8_t *) nmc93cxx_eeprom_data(dev->eeprom);
data[0x00] = 0x80;
data[0x01] = 0x00;
data[0x02] = 0x80;
data[0x03] = 0x00;
dev->config1 = (data[0x00] & 0x7f) | 0x80;
dev->config2 = (data[0x01] & 0xdf);
dev->config3 = (data[0x02] & 0x77) | 0x80;
dev->_9346cr = 0x21;
dev->_9346cr = 0x21;
isapnp_set_normal(dev->pnp_card, !!(dev->config3 & 0x80));
}
break;
case 0x03: /* CONFIG0 */
if (cfg_write_enable && (dev->board == NE2K_RTL8019AS_PNP))
dev->config0 = (val & 0xc0);
dev->config0 = (dev->config0 & 0x3f) | (val & 0xc0);
break;
case 0x04: /* CONFIG1 */
@@ -442,7 +443,7 @@ page3_write(nic_t *dev, uint32_t off, uint32_t val, UNUSED(unsigned len))
case 0x05: /* CONFIG2 */
if (cfg_write_enable) {
if (dev->board == NE2K_RTL8019AS_PNP)
dev->config2 = val;
dev->config2 = (dev->config2 & 0x1f) | (val & 0xe0);
else
dev->config2 = (val & 0xe0);
}
@@ -451,7 +452,7 @@ page3_write(nic_t *dev, uint32_t off, uint32_t val, UNUSED(unsigned len))
case 0x06: /* CONFIG3 */
if (cfg_write_enable) {
if (dev->board == NE2K_RTL8019AS_PNP)
dev->config3 = val;
dev->config3 = (dev->config3 & 0xf9) | (val & 0x06);
else
dev->config3 = (val & 0x46);
}
@@ -582,9 +583,11 @@ static void nic_ioremove(nic_t *dev, uint16_t addr);
static void
nic_pnp_config_changed(uint8_t ld, isapnp_device_config_t *config, void *priv)
{
#if 0
uint8_t irq_map[16] = { 0x00, 0x00, 0x00, 0x10, 0x20, 0x30, 0x00, 0x00,
0x00, 0x00, 0x40, 0x50, 0x60, 0x00, 0x00, 0x70 };
uint8_t ios = 0x00;
#endif
if (ld)
return;
@@ -600,18 +603,22 @@ nic_pnp_config_changed(uint8_t ld, isapnp_device_config_t *config, void *priv)
nic_interrupt(dev, 0);
dev->base_irq = config->irq[0].irq;
#if 0
if ((dev->base_irq >= 0x00) && (dev->base_irq <= 0x0f))
dev->config1 = (dev->config1 & 0x8f) | irq_map[dev->base_irq];
else
dev->config1 = (dev->config1 & 0x8f);
#endif
if (config->activate && (dev->base_address != ISAPNP_IO_DISABLED)) {
nic_ioset(dev, dev->base_address);
#if 0
ios |= (dev->base_address & 0x0100) ? 0x00 : 0x04;
ios |= (dev->base_address & 0x0080) ? 0x08 : 0x00;
ios |= (dev->base_address & 0x0040) ? 0x02 : 0x00;
ios |= (dev->base_address & 0x0020) ? 0x01 : 0x00;
dev->config1 = (dev->config1 & 0xf0) | ios;
#endif
}
}
@@ -626,33 +633,38 @@ nic_pnp_csn_changed(uint8_t csn, void *priv)
static uint8_t
nic_pnp_read_vendor_reg(uint8_t ld, uint8_t reg, void *priv)
{
if (ld != 0)
return 0x00;
uint8_t ret = 0x00;
const nic_t *dev = (nic_t *) priv;
switch (reg) {
if (ld == 0) switch (reg) {
default:
break;
case 0xf0: /* CONFIG0 */
return 0x00; /* Cable not BNC */
ret = dev->config0;
break;
case 0xf1: /* CONFIG1 */
return dev->config1;
ret = dev->config1;
break;
case 0xf2: /* CONFIG2 */
return dev->config2;
ret = dev->config2;
break;
case 0xf3: /* CONFIG3 */
return dev->config3;
ret = dev->config3;
break;
case 0xf5:
return *dev->pnp_csnsav;
default:
ret = *dev->pnp_csnsav;
break;
}
return 0x00;
nelog(3, "[R] Vendor register: %02X (LD = %02X) = %02X\n", reg, ld, ret);
return ret;
}
static void
@@ -660,6 +672,8 @@ nic_pnp_write_vendor_reg(uint8_t ld, uint8_t reg, uint8_t val, void *priv)
{
nic_t *dev = (nic_t *) priv;
nelog(3, "[W] Vendor register: %02X (LD = %02X) = %02X\n", reg, ld, val);
if ((ld == 0) && (reg == 0xf6) && (val & 0x04)) {
uint8_t csn = *dev->pnp_csnsav;
isapnp_set_csn(dev->pnp_card, 0);
@@ -1307,7 +1321,7 @@ nic_init(const device_t *info)
nic_pnp_read_vendor_reg, nic_pnp_write_vendor_reg,
dev);
dev->pnp_csnsav = isapnp_get_csnsav(dev->pnp_card);
dev->config0 = 0x00;
dev->config0 = 0x10 /* Cable not BNC */;
dev->config1 = 0x80;
dev->config2 = 0x00;
dev->config3 = 0x80;
@@ -1315,7 +1329,7 @@ nic_init(const device_t *info)
dev->eeprom_data[0x00] = 0x80;
dev->eeprom_data[0x01] = 0x00;
dev->eeprom_data[0x02] = 0x80;
dev->eeprom_data[0x02] = 0x81;
dev->eeprom_data[0x03] = 0x01;
memcpy(&dev->eeprom_data[0x04], dev->maclocal, 6);
break;
@@ -1340,6 +1354,32 @@ nic_init(const device_t *info)
free(dev);
return NULL;
}
if (info->local == NE2K_RTL8019AS_PNP) {
uint8_t *data = (uint8_t *) nmc93cxx_eeprom_data(dev->eeprom);
dev->config1 = (data[0x00] & 0x7f) | 0x80;
dev->config2 = (data[0x01] & 0xdf);
dev->config3 = (data[0x02] & 0xf7);
isapnp_set_normal(dev->pnp_card, !!(dev->config3 & 0x80));
isapnp_set_single_ld(dev->pnp_card);
if (!(dev->config3 & 0x01)) {
uint8_t irq_map[8] = { 9, 3, 4, 5, 10, 11, 12, 15 };
dev->base_address = 0x0000;
dev->base_irq = irq_map[(dev->config1 >> 4) & 0x07];
dev->base_address = (dev->config1 & 0x01) ? 0x0020 : 0x0000;
dev->base_address |= (dev->config1 & 0x02) ? 0x0040 : 0x0000;
dev->base_address |= (dev->config1 & 0x04) ? 0x0000 : 0x0100;
dev->base_address |= (dev->config1 & 0x08) ? 0x0080 : 0x0000;
nic_ioset(dev, dev->base_address);
isapnp_activate(dev->pnp_card, dev->base_address, dev->base_irq);
}
}
}
if (dev->pnp_csnsav == NULL)