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/*
* Island Aruma ACPI support
* written by Stefan Reinauer <stepan@openbios.org>
* (C) 2005 Stefan Reinauer
*
*
* Copyright 2005 AMD
* 2005.9 yhlu modify that to more dynamic for AMD Opteron Based MB
*/
#include <console/console.h>
#include <string.h>
#include <arch/acpi.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <cpu/amd/amdk8_sysconf.h>
#include "mb_sysconf.h"
#define DUMP_ACPI_TABLES 0
#if DUMP_ACPI_TABLES == 1
static void dump_mem(unsigned start, unsigned end)
{
unsigned i;
print_debug("dump_mem:");
for(i=start;i<end;i++) {
if((i & 0xf)==0) {
printk_debug("\n%08x:", i);
}
printk_debug(" %02x", (unsigned char)*((unsigned char *)i));
}
print_debug("\n");
}
#endif
extern unsigned char AmlCode[];
extern unsigned char AmlCode_ssdt[];
#if ACPI_SSDTX_NUM >= 1
extern unsigned char AmlCode_ssdt2[];
extern unsigned char AmlCode_ssdt3[];
extern unsigned char AmlCode_ssdt4[];
#endif
#define IO_APIC_ADDR 0xfec00000UL
unsigned long acpi_fill_madt(unsigned long current)
{
unsigned int gsi_base=0x18;
struct mb_sysconf_t *m;
m = sysconf.mb;
/* create all subtables for processors */
current = acpi_create_madt_lapics(current);
/* Write 8111 IOAPIC */
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8111,
IO_APIC_ADDR, 0);
/* Write all 8131 IOAPICs */
{
device_t dev;
struct resource *res;
dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0]&0xff), 1));
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_1,
res->base, gsi_base );
gsi_base+=7;
}
}
dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0] & 0xff)+1, 1));
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_2,
res->base, gsi_base );
gsi_base+=7;
}
}
int i;
int j = 0;
for(i=1; i< sysconf.hc_possible_num; i++) {
unsigned d;
if(!(sysconf.pci1234[i] & 0x1) ) continue;
// 8131 need to use +4
switch (sysconf.hcid[i]) {
case 1:
d = 7;
break;
case 3:
d = 4;
break;
}
switch (sysconf.hcid[i]) {
case 1:
case 3:
dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][0],
res->base, gsi_base );
gsi_base+=d;
}
}
dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1, 1));
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][1],
res->base, gsi_base );
gsi_base+=d;
}
}
break;
}
j++;
}
}
current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
current, 0, 0, 2, 5 );
/* 0: mean bus 0--->ISA */
/* 0: PIC 0 */
/* 2: APIC 2 */
/* 5 mean: 0101 --> Edige-triggered, Active high*/
/* create all subtables for processors */
current = acpi_create_madt_lapic_nmis(current, 5, 1);
/* 1: LINT1 connect to NMI */
return current;
}
extern void get_bus_conf(void);
extern void update_ssdt(void *ssdt);
void update_ssdtx(void *ssdtx, int i)
{
uint8_t *PCI;
uint8_t *HCIN;
uint8_t *UID;
PCI = ssdtx + 0x32;
HCIN = ssdtx + 0x39;
UID = ssdtx + 0x40;
if(i<7) {
*PCI = (uint8_t) ('4' + i - 1);
}
else {
*PCI = (uint8_t) ('A' + i - 1 - 6);
}
*HCIN = (uint8_t) i;
*UID = (uint8_t) (i+3);
/* FIXME: need to update the GSI id in the ssdtx too */
}
unsigned long write_acpi_tables(unsigned long start)
{
unsigned long current;
acpi_rsdp_t *rsdp;
acpi_rsdt_t *rsdt;
acpi_hpet_t *hpet;
acpi_madt_t *madt;
acpi_srat_t *srat;
acpi_slit_t *slit;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
acpi_header_t *dsdt;
acpi_header_t *ssdt;
acpi_header_t *ssdtx;
unsigned char *p;
unsigned char *AmlCode_ssdtx[HC_POSSIBLE_NUM];
int i;
get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
/* Align ACPI tables to 16byte */
start = ( start + 0x0f ) & -0x10;
current = start;
printk_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);
rsdt = (acpi_rsdt_t *) current;
current += sizeof(acpi_rsdt_t);
/* clear all table memory */
memset((void *)start, 0, current - start);
acpi_write_rsdp(rsdp, rsdt);
acpi_write_rsdt(rsdt);
/*
* We explicitly add these tables later on:
*/
printk_debug("ACPI: * HPET\n");
hpet = (acpi_hpet_t *) current;
current += sizeof(acpi_hpet_t);
acpi_create_hpet(hpet);
acpi_add_table(rsdt,hpet);
/* If we want to use HPET Timers Linux wants an MADT */
printk_debug("ACPI: * MADT\n");
madt = (acpi_madt_t *) current;
acpi_create_madt(madt);
current+=madt->header.length;
acpi_add_table(rsdt,madt);
/* SRAT */
printk_debug("ACPI: * SRAT\n");
srat = (acpi_srat_t *) current;
acpi_create_srat(srat);
current+=srat->header.length;
acpi_add_table(rsdt,srat);
/* SLIT */
printk_debug("ACPI: * SLIT\n");
slit = (acpi_slit_t *) current;
acpi_create_slit(slit);
current+=slit->header.length;
acpi_add_table(rsdt,slit);
/* SSDT */
printk_debug("ACPI: * SSDT\n");
ssdt = (acpi_header_t *)current;
current += ((acpi_header_t *)AmlCode_ssdt)->length;
memcpy((void *)ssdt, (void *)AmlCode_ssdt, ((acpi_header_t *)AmlCode_ssdt)->length);
//Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
update_ssdt((void*)ssdt);
/* recalculate checksum */
ssdt->checksum = 0;
ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
acpi_add_table(rsdt,ssdt);
#if ACPI_SSDTX_NUM >= 1
//same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table
for(i=1;i<sysconf.hc_possible_num;i++) { // 0: is hc sblink
if((sysconf.pci1234[i] & 1) != 1 ) continue;
uint8_t c;
if(i<7) {
c = (uint8_t) ('4' + i - 1);
}
else {
c = (uint8_t) ('A' + i - 1 - 6);
}
printk_debug("ACPI: * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt
current = ( current + 0x07) & -0x08;
ssdtx = (acpi_header_t *)current;
switch(sysconf.hcid[i]) {
case 1: //8132
p = AmlCode_ssdt2;
break;
case 2: //8151
p = AmlCode_ssdt3;
break;
case 3: //8131
p = AmlCode_ssdt4;
break;
default:
continue;
}
current += ((acpi_header_t *)p)->length;
memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *)p)->length);
update_ssdtx((void *)ssdtx, i);
ssdtx->checksum = 0;
ssdtx->checksum = acpi_checksum((unsigned char *)ssdtx,ssdtx->length);
acpi_add_table(rsdt,ssdtx);
}
#endif
/* FACS */
printk_debug("ACPI: * FACS\n");
facs = (acpi_facs_t *) current;
current += sizeof(acpi_facs_t);
acpi_create_facs(facs);
/* DSDT */
printk_debug("ACPI: * DSDT\n");
dsdt = (acpi_header_t *)current;
current += ((acpi_header_t *)AmlCode)->length;
memcpy((void *)dsdt,(void *)AmlCode, \
((acpi_header_t *)AmlCode)->length);
printk_debug("ACPI: * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
/* FDAT */
printk_debug("ACPI: * FADT\n");
fadt = (acpi_fadt_t *) current;
current += sizeof(acpi_fadt_t);
acpi_create_fadt(fadt,facs,dsdt);
acpi_add_table(rsdt,fadt);
#if DUMP_ACPI_TABLES == 1
printk_debug("rsdp\n");
dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
printk_debug("rsdt\n");
dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
printk_debug("madt\n");
dump_mem(madt, ((void *)madt) + madt->header.length);
printk_debug("srat\n");
dump_mem(srat, ((void *)srat) + srat->header.length);
printk_debug("slit\n");
dump_mem(slit, ((void *)slit) + slit->header.length);
printk_debug("ssdt\n");
dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
printk_debug("fadt\n");
dump_mem(fadt, ((void *)fadt) + fadt->header.length);
#endif
printk_info("ACPI: done.\n");
return current;
}
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