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Diffstat (limited to 'src/mainboard/asrock/e350m1/acpi_tables.c')
-rw-r--r--src/mainboard/asrock/e350m1/acpi_tables.c158
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
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 20:34:09 +0000