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nb/intel/sandybridge/gma: Use common init_igd_opregion method

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Use common init_igd_opregion method.

Change-Id: Ia10a28d05b611a59f787b53f9736b3b76a19ea4a
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/19908
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Patrick Rudolph
2017-05-18 18:26:30 +02:00
committed by Nico Huber
parent 5c82026ca6
commit 402e9c18dd
4 changed files with 38 additions and 157 deletions
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48
src/northbridge/intel/sandybridge/gma.c
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@@ -25,6 +25,7 @@
#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
#include <southbridge/intel/bd82x6x/nvs.h>
#include <northbridge/intel/common/gma_opregion.h>
#include <cbmem.h>
#include "chip.h"
@@ -652,27 +653,50 @@ static void gma_ssdt(device_t device)
drivers_intel_gma_displays_ssdt_generate(gfx);
}
/* Enable SCI to ACPI _GPE._L06 */
static void gma_enable_swsci(void)
{
u16 reg16;
/* clear DMISCI status */
reg16 = inw(DEFAULT_PMBASE + TCO1_STS);
reg16 &= DMISCI_STS;
outw(DEFAULT_PMBASE + TCO1_STS, reg16);
/* clear acpi tco status */
outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS);
/* enable acpi tco scis */
reg16 = inw(DEFAULT_PMBASE + GPE0_EN);
reg16 |= TCOSCI_EN;
outw(DEFAULT_PMBASE + GPE0_EN, reg16);
}
static unsigned long
gma_write_acpi_tables(struct device *const dev,
unsigned long current,
struct acpi_rsdp *const rsdp)
{
igd_opregion_t *opregion;
igd_opregion_t *opregion = (igd_opregion_t *)current;
global_nvs_t *gnvs;
// FIXME: Replace by common VBT implementation writing to current
opregion = igd_make_opregion();
if (opregion) {
/* GNVS has been already set up */
gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
if (gnvs) {
/* IGD OpRegion Base Address */
gnvs->aslb = (u32)(uintptr_t)opregion;
} else {
printk(BIOS_ERR, "Error: GNVS table not found.\n");
}
if (init_igd_opregion(opregion) != CB_SUCCESS)
return current;
current += sizeof(igd_opregion_t);
/* GNVS has been already set up */
gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
if (gnvs) {
/* IGD OpRegion Base Address */
gnvs->aslb = (u32)(uintptr_t)opregion;
} else {
printk(BIOS_ERR, "Error: GNVS table not found.\n");
}
gma_enable_swsci();
current = acpi_align_current(current);
return current;
}