diff options
Diffstat (limited to 'src/mainboard/asrock/e350m1')
-rw-r--r-- | src/mainboard/asrock/e350m1/acpi_tables.c | 158 |
1 files changed, 90 insertions, 68 deletions
diff --git a/src/mainboard/asrock/e350m1/acpi_tables.c b/src/mainboard/asrock/e350m1/acpi_tables.c index 593ec46eed..74df922b19 100644 --- a/src/mainboard/asrock/e350m1/acpi_tables.c +++ b/src/mainboard/asrock/e350m1/acpi_tables.c @@ -24,11 +24,9 @@ #include <device/pci.h> #include <device/pci_ids.h> #include <cpu/x86/msr.h> -#include <cpu/amd/mtrr.h> -//#include <cpu/amd/amdfam10_sysconf.h> - -//#include "mb_sysconf.h" #include "agesawrapper.h" +#include <cpu/amd/mtrr.h> +#include <cpu/amd/amdfam14.h> #define DUMP_ACPI_TABLES 0 @@ -50,7 +48,29 @@ static void dump_mem(u32 start, u32 end) #endif extern const unsigned char AmlCode[]; -extern const unsigned char AmlCode_ssdt[]; + +unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) +{ + int lens; + msr_t msr; + char pscope[] = "\\_SB.PCI0"; + + lens = acpigen_write_scope(pscope); + msr = rdmsr(TOP_MEM); + lens += acpigen_write_name_dword("TOM1", msr.lo); + msr = rdmsr(TOP_MEM2); + /* + * Since XP only implements parts of ACPI 2.0, we can't use a qword + * here. + * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt + * slide 22ff. + * Shift value right by 20 bit to make it fit into 32bit, + * giving us 1MB granularity and a limit of almost 4Exabyte of memory. + */ + lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); + acpigen_patch_len(lens - 1); + return (unsigned long) (acpigen_get_current()); +} unsigned long acpi_fill_mcfg(unsigned long current) { @@ -109,6 +129,7 @@ unsigned long write_acpi_tables(unsigned long start) acpi_facs_t *facs; acpi_header_t *dsdt; acpi_header_t *ssdt; + acpi_header_t *ssdt2; get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */ @@ -130,99 +151,97 @@ unsigned long write_acpi_tables(unsigned long start) acpi_write_rsdp(rsdp, rsdt, NULL); acpi_write_rsdt(rsdt); + /* DSDT */ + current = ( current + 0x07) & -0x08; + printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current); + dsdt = (acpi_header_t *)current; + memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); + current += dsdt->length; + memcpy(dsdt, &AmlCode, dsdt->length); + printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length); + + /* FACS */ // it needs 64 bit alignment + current = ( current + 0x07) & -0x08; + printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current); + facs = (acpi_facs_t *) current; + current += sizeof(acpi_facs_t); + acpi_create_facs(facs); + + /* FADT */ + current = ( current + 0x07) & -0x08; + printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current); + fadt = (acpi_fadt_t *) current; + current += sizeof(acpi_fadt_t); + + acpi_create_fadt(fadt, facs, dsdt); + acpi_add_table(rsdp, fadt); + /* - * We explicitly add these tables later on: - */ - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current); + * We explicitly add these tables later on: + */ + current = ( current + 0x07) & -0x08; + printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current); hpet = (acpi_hpet_t *) current; current += sizeof(acpi_hpet_t); acpi_create_hpet(hpet); acpi_add_table(rsdp, hpet); /* If we want to use HPET Timers Linux wants an MADT */ - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current); + current = ( current + 0x07) & -0x08; + printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current); madt = (acpi_madt_t *) current; acpi_create_madt(madt); current += madt->header.length; acpi_add_table(rsdp, madt); /* SRAT */ - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); + current = ( current + 0x07) & -0x08; + printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT); if (srat != NULL) { - memcpy(current, srat, srat->header.length); - srat = (acpi_srat_t *) current; - //acpi_create_srat(srat); - current += srat->header.length; - acpi_add_table(rsdp, srat); + memcpy((void *)current, srat, srat->header.length); + srat = (acpi_srat_t *) current; + current += srat->header.length; + acpi_add_table(rsdp, srat); + } + else { + printk(BIOS_DEBUG, " AGESA SRAT table NULL. Skipping.\n"); } /* SLIT */ - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); + current = ( current + 0x07) & -0x08; + printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT); if (slit != NULL) { - memcpy(current, slit, slit->header.length); - slit = (acpi_slit_t *) current; - //acpi_create_slit(slit); - current += slit->header.length; - acpi_add_table(rsdp, slit); + memcpy((void *)current, slit, slit->header.length); + slit = (acpi_slit_t *) current; + current += slit->header.length; + acpi_add_table(rsdp, slit); + } + else { + printk(BIOS_DEBUG, " AGESA SLIT table NULL. Skipping.\n"); } /* SSDT */ - current = ( current + 0x0f) & -0x10; - printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current); + current = ( current + 0x0f) & -0x10; + printk(BIOS_DEBUG, "ACPI: * AGESA SSDT Pstate at %lx\n", current); ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); if (ssdt != NULL) { - memcpy(current, ssdt, ssdt->length); - ssdt = (acpi_header_t *) current; - current += ssdt->length; + memcpy((void *)current, ssdt, ssdt->length); + ssdt = (acpi_header_t *) current; + current += ssdt->length; } else { - ssdt = (acpi_header_t *) current; - memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t)); - current += ssdt->length; - memcpy(ssdt, &AmlCode_ssdt, ssdt->length); - - char *position = ssdt; - if (memcmp (position + 50, "TOM1", 4) == 0) - *(u32 *) (position + 55) = __readmsr (0xc001001a); - - /* recalculate checksum */ - ssdt->checksum = 0; - ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length); + printk(BIOS_DEBUG, " AGESA SSDT table NULL. Skipping.\n"); } acpi_add_table(rsdp,ssdt); - printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current); - - /* DSDT */ - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current); - dsdt = (acpi_header_t *)current; // it will used by fadt - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length); - - /* FACS */ // it needs 64 bit alignment - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current); - facs = (acpi_facs_t *) current; // it will be used by fadt - current += sizeof(acpi_facs_t); - acpi_create_facs(facs); - - /* FDAT */ - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current); - fadt = (acpi_fadt_t *) current; - current += sizeof(acpi_fadt_t); - - acpi_create_fadt(fadt, facs, dsdt); - acpi_add_table(rsdp, fadt); + current = ( current + 0x0f) & -0x10; + printk(BIOS_DEBUG, "ACPI: * coreboot TOM SSDT2 at %lx\n", current); + ssdt2 = (acpi_header_t *) current; + acpi_create_ssdt_generator(ssdt2, ACPI_TABLE_CREATOR); + current += ssdt2->length; + acpi_add_table(rsdp,ssdt2); #if DUMP_ACPI_TABLES == 1 printk(BIOS_DEBUG, "rsdp\n"); @@ -243,6 +262,9 @@ unsigned long write_acpi_tables(unsigned long start) printk(BIOS_DEBUG, "ssdt\n"); dump_mem(ssdt, ((void *)ssdt) + ssdt->length); + printk(BIOS_DEBUG, "ssdt2\n"); + dump_mem(ssdt2, ((void *)ssdt2) + ssdt2->length); + printk(BIOS_DEBUG, "fadt\n"); dump_mem(fadt, ((void *)fadt) + fadt->header.length); #endif |