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soc/amd/picasso/pci_gpp: Switch to using acpigen_write_pci_GNB_PRT 

We can now delete the picasso specific version.

BUG=b:184766519
TEST=Build zork and verify SSDT has not changed

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ic79014e83c9ff63cc7a6757b16764ae23b36984f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/53935
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Raul E Rangel 2021-05-07 14:29:57 -06:00 committed by Felix Held
parent 7502e10fdf
commit 129d473b2d
1 changed files with 1 additions and 63 deletions
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64
src/soc/amd/picasso/pcie_gpp.c
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@ -60,68 +60,6 @@ static const char *pcie_gpp_acpi_name(const struct device *dev)
return NULL;
}
static void acpigen_write_PRT(const struct device *dev)
{
char link_template[] = "\\_SB.INTX";
unsigned int irq_index;
const struct pci_routing_info *pci_routing = get_pci_routing_info(dev->path.pci.devfn);
if (!pci_routing) {
printk(BIOS_ERR, "PCI routing table not found for %s\n", dev_path(dev));
return;
}
acpigen_write_method("_PRT", 0);
/* If (PICM) */
acpigen_write_if();
acpigen_emit_namestring("PICM");
/* Return (Package{...}) */
acpigen_emit_byte(RETURN_OP);
acpigen_write_package(4); /* Package - APIC Routing */
for (unsigned int i = 0; i < 4; ++i) {
irq_index = pci_calculate_irq(pci_routing, i);
acpigen_write_package(4);
/* There is only one device attached to the bridge */
acpigen_write_dword(0x0000FFFF);
acpigen_write_byte(i);
acpigen_write_byte(0); /* Source: GSI */
/* GNB IO-APIC is located after the FCH IO-APIC */
acpigen_write_dword(IO_APIC_INTERRUPTS + irq_index);
acpigen_pop_len();
}
acpigen_pop_len(); /* Package - APIC Routing */
/* Else */
acpigen_write_else();
/* Return (Package{...}) */
acpigen_emit_byte(RETURN_OP);
acpigen_write_package(4); /* Package - PIC Routing */
for (unsigned int i = 0; i < 4; ++i) {
irq_index = pci_calculate_irq(pci_routing, i);
link_template[8] = 'A' + (irq_index % 8);
acpigen_write_package(4);
/* There is only one device attached to the bridge */
acpigen_write_dword(0x0000FFFF);
acpigen_write_byte(i);
acpigen_emit_namestring(link_template);
acpigen_write_dword(0);
acpigen_pop_len();
}
acpigen_pop_len(); /* Package - PIC Routing */
acpigen_pop_len(); /* End Else */
acpigen_pop_len(); /* Method */
}
/*
* This function writes a PCI device with _ADR, _STA, and _PRT objects:
* Example:
@ -230,7 +168,7 @@ static void acpi_device_write_gpp_pci_dev(const struct device *dev)
acpigen_write_ADR_pci_device(dev);
acpigen_write_STA(acpi_device_status(dev));
acpigen_write_PRT(dev);
acpigen_write_pci_GNB_PRT(dev);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */