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i945: Convert to per-device ACPI

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Change-Id: Iee3ee33ca58b8c722d2d38aae31e7130032512ad
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6804
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Vladimir Serbinenko
2014-08-31 00:27:05 +02:00
parent 33769a5caa
commit 0e64617d7d
17 changed files with 58 additions and 1322 deletions
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163
src/mainboard/getac/p470/acpi_tables.c
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@@ -30,11 +30,10 @@
#include <device/pci.h>
#include <device/pci_ids.h>
extern unsigned char AmlCode[];
#include "southbridge/intel/i82801gx/nvs.h"
#include "mainboard.h"
static void acpi_create_gnvs(global_nvs_t *gnvs)
void acpi_create_gnvs(global_nvs_t *gnvs)
{
memset((void *)gnvs, 0, sizeof(*gnvs));
gnvs->apic = 1;
@@ -123,12 +122,6 @@ unsigned long acpi_fill_madt(unsigned long current)
return current;
}
unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
{
generate_cpu_entries();
return (unsigned long) (acpigen_get_current());
}
unsigned long acpi_fill_slit(unsigned long current)
{
// Not implemented
@@ -141,173 +134,23 @@ unsigned long acpi_fill_srat(unsigned long current)
return current;
}
void smm_setup_structures(void *gnvs, void *tcg, void *smi1);
#define ALIGN_CURRENT current = (ALIGN(current, 16))
unsigned long write_acpi_tables(unsigned long start)
unsigned long mainboard_write_acpi_tables(unsigned long start, acpi_rsdp_t *rsdp)
{
unsigned long current;
int i;
acpi_rsdp_t *rsdp;
acpi_rsdt_t *rsdt;
acpi_xsdt_t *xsdt;
acpi_hpet_t *hpet;
acpi_madt_t *madt;
acpi_mcfg_t *mcfg;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
#if CONFIG_HAVE_ACPI_SLIC
acpi_header_t *slic;
#endif
acpi_header_t *ssdt;
acpi_header_t *dsdt;
acpi_header_t *ecdt;
void *gnvs;
current = start;
/* Align ACPI tables to 16byte */
ALIGN_CURRENT;
printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start);
/* We need at least an RSDP and an RSDT Table */
rsdp = (acpi_rsdp_t *) current;
current += sizeof(acpi_rsdp_t);
ALIGN_CURRENT;
rsdt = (acpi_rsdt_t *) current;
current += sizeof(acpi_rsdt_t);
ALIGN_CURRENT;
xsdt = (acpi_xsdt_t *) current;
current += sizeof(acpi_xsdt_t);
ALIGN_CURRENT;
/* clear all table memory */
memset((void *) start, 0, current - start);
acpi_write_rsdp(rsdp, rsdt, xsdt);
acpi_write_rsdt(rsdt);
acpi_write_xsdt(xsdt);
/*
* We explicitly add these tables later on:
*/
printk(BIOS_DEBUG, "ACPI: * HPET\n");
hpet = (acpi_hpet_t *) current;
current += sizeof(acpi_hpet_t);
ALIGN_CURRENT;
acpi_create_hpet(hpet);
acpi_add_table(rsdp, hpet);
/* If we want to use HPET Timers Linux wants an MADT */
printk(BIOS_DEBUG, "ACPI: * MADT\n");
madt = (acpi_madt_t *) current;
acpi_create_madt(madt);
current += madt->header.length;
ALIGN_CURRENT;
acpi_add_table(rsdp, madt);
printk(BIOS_DEBUG, "ACPI: * MCFG\n");
mcfg = (acpi_mcfg_t *) current;
acpi_create_mcfg(mcfg);
current += mcfg->header.length;
ALIGN_CURRENT;
acpi_add_table(rsdp, mcfg);
printk(BIOS_DEBUG, "ACPI: * FACS\n");
facs = (acpi_facs_t *) current;
current += sizeof(acpi_facs_t);
ALIGN_CURRENT;
acpi_create_facs(facs);
dsdt = (acpi_header_t *) current;
memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
current += dsdt->length;
memcpy(dsdt, &AmlCode, dsdt->length);
/* Fix up global NVS region for SMI handler. The GNVS region lives
* in the (high) table area. The low memory map looks like this:
*
* 0x00000000 - 0x000003ff Real Mode IVT
* 0x00000400 - 0x000004ff BDA (somewhat unused)
* 0x00000500 - 0x00000518 coreboot table forwarder
* 0x00000600 - 0x00000??? realmode trampoline
* 0x0007c000 - 0x0007dfff OS boot sector (unused?)
* 0x0007e000 - 0x0007ffff free to use (so no good for acpi+smi)
* 0x00080000 - 0x0009fbff usable ram
* 0x0009fc00 - 0x0009ffff EBDA (unused?)
* 0x000a0000 - 0x000bffff VGA memory
* 0x000c0000 - 0x000cffff VGA option rom
* 0x000d0000 - 0x000dffff free for other option roms?
* 0x000e0000 - 0x000fffff SeaBIOS? (conflict with low tables:)
* 0x000f0000 - 0x000f03ff PIRQ table
* 0x000f0400 - 0x000f66?? ACPI tables
* 0x000f66?? - 0x000f???? DMI tables
*/
ALIGN_CURRENT;
/* Pack GNVS into the ACPI table area */
for (i=0; i < dsdt->length; i++) {
if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) {
printk(BIOS_DEBUG, "ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08x\n", i, (u32)current);
*(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
break;
}
}
/* And fill it */
acpi_create_gnvs((global_nvs_t *)current);
/* Keep pointer around */
gnvs = (void *)current;
current += 0x100;
ALIGN_CURRENT;
/* And tell SMI about it */
smm_setup_structures(gnvs, NULL, NULL);
/* We patched up the DSDT, so we need to recalculate the checksum */
dsdt->checksum = 0;
dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt,
dsdt->length);
printk(BIOS_DEBUG, "ACPI: * ECDT\n");
ecdt = (acpi_header_t *)current;
current += acpi_create_ecdt((acpi_ecdt_t *)current);
ALIGN_CURRENT;
acpi_add_table(rsdp, ecdt);
#if CONFIG_HAVE_ACPI_SLIC
printk(BIOS_DEBUG, "ACPI: * SLIC\n");
slic = (acpi_header_t *)current;
current += acpi_create_slic(current);
ALIGN_CURRENT;
acpi_add_table(rsdp, slic);
#endif
printk(BIOS_DEBUG, "ACPI: * FADT\n");
fadt = (acpi_fadt_t *) current;
current += sizeof(acpi_fadt_t);
ALIGN_CURRENT;
acpi_create_fadt(fadt, facs, dsdt);
acpi_add_table(rsdp, fadt);
printk(BIOS_DEBUG, "ACPI: * SSDT\n");
ssdt = (acpi_header_t *)current;
acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
current += ssdt->length;
acpi_add_table(rsdp, ssdt);
ALIGN_CURRENT;
printk(BIOS_DEBUG, "current = %lx\n", current);
printk(BIOS_INFO, "ACPI: done.\n");
return current;
}