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acpi: Add ALi I/O trap test

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This commit is contained in:
RichardG867
2023-05-03 19:15:05 -03:00
parent e9d2c8fccd
commit 9df7eddf4d
1 changed files with 32 additions and 3 deletions
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35
acpi/acpi.c
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@@ -32,7 +32,7 @@ try_sleep()
char dummy_buf[256];
/* Prompt for port address. */
printf("Enter port address to try: ");
printf("\nEnter port address to try: ");
scanf("%x%*c", &port);
/* Prompt for sleep type. */
@@ -128,6 +128,26 @@ probe_via(uint8_t dev, uint8_t func, uint16_t dev_id)
try_sleep();
}
static void
probe_ali(uint8_t dev, uint8_t func)
{
uint16_t acpi_base, port;
/* Read and print ACPI I/O base and PMCNTRL value. */
acpi_base = pci_readw(0, dev, func, 0x10);
port = acpi_base & 0xffc0;
printf("ACPI base register = %04X PMCNTRL[%04X] Val[%04X]\n", acpi_base, port | 0x04, inw(port | 0x04));
acpi_base = port;
/* Read and print SMI trap status, ports and values. */
port = pci_readw(0, dev, func, 0xa4);
printf("SMI traps: IOGC = %04X+%X Trap[%c]\n", port & 0xfffc, (port & 0x0003) << 2,
(pci_readw(0, dev, func, 0x44) & 0x8000) ? '√' : ' ');
/* Run interactive sequence. */
try_sleep();
}
int
main(int argc, char **argv)
{
@@ -144,11 +164,20 @@ main(int argc, char **argv)
/* Scan PCI bus 0. */
for (dev = 0; dev < 32; dev++) {
/* Single-function devices are definitely not the southbridge. */
/* Determine and execute southbridge-specific function for ALi. */
ven_id = pci_readw(0, dev, 0, 0x00);
dev_id = pci_readw(0, dev, 0, 0x02);
if ((ven_id == 0x10b9) && (dev_id == 0x7101)) {
printf("Found ALi M7101 ACPI revision %02X at device %02X function %d\n", pci_readb(0, dev, 0, 0x08), dev, 0);
probe_ali(dev, 0);
return 0;
}
/* Single-function devices are definitely not other vendors' southbridges. */
if (!(pci_readb(0, dev, 0, 0x0e) & 0x80))
continue;
/* Determine and execute southbridge-specific function. */
/* Determine and execute southbridge-specific function for other vendors. */
ven_id = pci_readw(0, dev, 3, 0x00);
dev_id = pci_readw(0, dev, 3, 0x02);
if ((ven_id == 0x8086) && (dev_id == 0x7113)) {