agesa/family15tn: Switch to per-device ACPI
Change-Id: Icc2e7b66b3ff5f70b219a3e67494ce3df055c9d5
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7033
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index d3f00bd..9d80987 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -20,6 +20,7 @@
#include <console/console.h>
#include <arch/io.h>
#include <arch/acpi.h>
+#include <arch/acpigen.h>
#include <stdint.h>
#include <device/device.h>
#include <device/pci.h>
@@ -462,11 +463,154 @@
}
}
+unsigned long acpi_fill_hest(acpi_hest_t *hest)
+{
+ void *addr, *current;
+
+ /* Skip the HEST header. */
+ current = (void *)(hest + 1);
+
+ addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE);
+ if (addr != NULL)
+ current += acpi_create_hest_error_source(hest, current, 0, (void *)((u32)addr + 2), *(UINT16 *)addr - 2);
+
+ addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC);
+ if (addr != NULL)
+ current += acpi_create_hest_error_source(hest, current, 1, (void *)((u32)addr + 2), *(UINT16 *)addr - 2);
+
+ return (unsigned long)current;
+}
+
+/* Implemented with AGESA-specific code. Dummy to keep linker happy. */
+unsigned long acpi_fill_slit(unsigned long current)
+{
+ return current;
+}
+
+/* Implemented with AGESA-specific code. Dummy to keep linker happy. */
+unsigned long acpi_fill_srat(unsigned long current)
+{
+ return current;
+}
+
+static void northbridge_fill_ssdt_generator(void)
+{
+ msr_t msr;
+ char pscope[] = "\\_SB.PCI0";
+
+ acpigen_write_scope(pscope);
+ msr = rdmsr(TOP_MEM);
+ 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.
+ */
+ acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20);
+ acpigen_pop_len();
+}
+
+static unsigned long agesa_write_acpi_tables(unsigned long current,
+ acpi_rsdp_t *rsdp)
+{
+ acpi_srat_t *srat;
+ acpi_slit_t *slit;
+ acpi_header_t *ssdt;
+ acpi_header_t *alib;
+ acpi_header_t *ivrs;
+ acpi_hest_t *hest;
+
+ /* HEST */
+ current = ALIGN(current, 8);
+ hest = (acpi_hest_t *)current;
+ acpi_write_hest((void *)current);
+ acpi_add_table(rsdp, (void *)current);
+ current += ((acpi_header_t *)current)->length;
+
+ current = ALIGN(current, 8);
+ printk(BIOS_DEBUG, "ACPI: * IVRS at %lx\n", current);
+ ivrs = agesawrapper_getlateinitptr(PICK_IVRS);
+ if (ivrs != NULL) {
+ memcpy((void *)current, ivrs, ivrs->length);
+ ivrs = (acpi_header_t *) current;
+ current += ivrs->length;
+ acpi_add_table(rsdp, ivrs);
+ } else {
+ printk(BIOS_DEBUG, " AGESA IVRS table NULL. Skipping.\n");
+ }
+
+ /* SRAT */
+ current = ALIGN(current, 8);
+ printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current);
+ srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
+ if (srat != NULL) {
+ 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 = ALIGN(current, 8);
+ printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current);
+ slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
+ if (slit != NULL) {
+ 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");
+ }
+
+ /* ALIB */
+ current = ALIGN(current, 16);
+ printk(BIOS_DEBUG, "ACPI: * AGESA ALIB SSDT at %lx\n", current);
+ alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB);
+ if (alib != NULL) {
+ memcpy((void *)current, alib, alib->length);
+ alib = (acpi_header_t *) current;
+ current += alib->length;
+ acpi_add_table(rsdp, (void *)alib);
+ }
+ else {
+ printk(BIOS_DEBUG, " AGESA ALIB SSDT table NULL. Skipping.\n");
+ }
+
+ /* this pstate ssdt may cause Blue Screen: Fixed: Keep this comment for a while. */
+ /* SSDT */
+ current = ALIGN(current, 16);
+ printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
+ ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
+ if (ssdt != NULL) {
+ memcpy((void *)current, ssdt, ssdt->length);
+ ssdt = (acpi_header_t *) current;
+ current += ssdt->length;
+ }
+ else {
+ printk(BIOS_DEBUG, " AGESA PState table NULL. Skipping.\n");
+ }
+ acpi_add_table(rsdp,ssdt);
+
+ printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
+
+ return current;
+}
+
+
static struct device_operations northbridge_operations = {
.read_resources = nb_read_resources,
.set_resources = nb_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = DEVICE_NOOP,
+ .acpi_fill_ssdt_generator = northbridge_fill_ssdt_generator,
+ .write_acpi_tables = agesa_write_acpi_tables,
.enable = 0,
.ops_pci = 0,
};