[coreboot-gerrit] Patch set updated for coreboot: 9c5f3b4 baytrail: Switch to per-device ACPI
Vladimir Serbinenko (phcoder@gmail.com)
gerrit at coreboot.org
Tue Oct 21 08:32:25 CEST 2014
Vladimir Serbinenko (phcoder at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7037
-gerrit
commit 9c5f3b4e6c68275443b6031bef578924735fd7b5
Author: Vladimir Serbinenko <phcoder at gmail.com>
Date: Wed Oct 8 22:56:27 2014 +0200
baytrail: Switch to per-device ACPI
Change-Id: I6a1b1daa291298c85e14f89aa47a0693837cec6f
Signed-off-by: Vladimir Serbinenko <phcoder at gmail.com>
---
src/mainboard/google/rambi/acpi_tables.c | 159 +-----------------------------
src/soc/intel/baytrail/Kconfig | 1 +
src/soc/intel/baytrail/acpi/globalnvs.asl | 3 +-
src/soc/intel/baytrail/baytrail/nvs.h | 1 +
src/soc/intel/baytrail/northcluster.c | 14 +++
src/soc/intel/baytrail/southcluster.c | 32 ++++++
6 files changed, 51 insertions(+), 159 deletions(-)
diff --git a/src/mainboard/google/rambi/acpi_tables.c b/src/mainboard/google/rambi/acpi_tables.c
index 890e1df..d94b2de 100644
--- a/src/mainboard/google/rambi/acpi_tables.c
+++ b/src/mainboard/google/rambi/acpi_tables.c
@@ -34,9 +34,7 @@
#include <baytrail/nvs.h>
#include <baytrail/iomap.h>
-extern const unsigned char AmlCode[];
-
-static void acpi_create_gnvs(global_nvs_t *gnvs)
+void acpi_create_gnvs(global_nvs_t *gnvs)
{
acpi_init_gnvs(gnvs);
@@ -68,158 +66,3 @@ 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
- return current;
-}
-
-unsigned long acpi_fill_srat(unsigned long current)
-{
- /* No NUMA, no SRAT */
- return current;
-}
-
-#define ALIGN_CURRENT current = (ALIGN(current, 16))
-unsigned long write_acpi_tables(unsigned long start)
-{
- 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;
- acpi_header_t *ssdt;
- acpi_header_t *dsdt;
- global_nvs_t *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);
-
- printk(BIOS_DEBUG, "ACPI: * FACS\n");
- facs = (acpi_facs_t *) current;
- current += sizeof(acpi_facs_t);
- ALIGN_CURRENT;
- acpi_create_facs(facs);
-
- printk(BIOS_DEBUG, "ACPI: * DSDT\n");
- dsdt = (acpi_header_t *) current;
- memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
- current += dsdt->length;
- memcpy(dsdt, &AmlCode, dsdt->length);
-
- ALIGN_CURRENT;
-
- 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);
-
- /*
- * 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_intel_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);
-
- /* Update GNVS pointer into CBMEM */
- gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
- if (!gnvs) {
- printk(BIOS_DEBUG, "ACPI: Could not find CBMEM GNVS\n");
- gnvs = (global_nvs_t *)current;
- }
-
- 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 -> %p\n", i, gnvs);
- *(u32*)(((u32)dsdt) + i) = (unsigned long)gnvs;
- acpi_save_gnvs((unsigned long)gnvs);
- break;
- }
- }
-
- /* And fill it */
- acpi_create_gnvs(gnvs);
-
- /* And tell SMI about it */
- smm_setup_structures(gnvs, NULL, NULL);
-
- current += sizeof(global_nvs_t);
- ALIGN_CURRENT;
-
- /* 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: * 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;
-}
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig
index eee7d11..0b83193 100644
--- a/src/soc/intel/baytrail/Kconfig
+++ b/src/soc/intel/baytrail/Kconfig
@@ -36,6 +36,7 @@ config CPU_SPECIFIC_OPTIONS
select TSC_MONOTONIC_TIMER
select TSC_SYNC_MFENCE
select UDELAY_TSC
+ select PER_DEVICE_ACPI_TABLES
config BOOTBLOCK_CPU_INIT
string
diff --git a/src/soc/intel/baytrail/acpi/globalnvs.asl b/src/soc/intel/baytrail/acpi/globalnvs.asl
index a201c03..946f123 100644
--- a/src/soc/intel/baytrail/acpi/globalnvs.asl
+++ b/src/soc/intel/baytrail/acpi/globalnvs.asl
@@ -30,7 +30,8 @@ Name(\PICM, 0) // IOAPIC/8259
*/
-OperationRegion (GNVS, SystemMemory, 0xC0DEBABE, 0x2000)
+External(NVSA)
+OperationRegion (GNVS, SystemMemory, NVSA, 0x2000)
Field (GNVS, ByteAcc, NoLock, Preserve)
{
/* Miscellaneous */
diff --git a/src/soc/intel/baytrail/baytrail/nvs.h b/src/soc/intel/baytrail/baytrail/nvs.h
index c5defac..c204042 100644
--- a/src/soc/intel/baytrail/baytrail/nvs.h
+++ b/src/soc/intel/baytrail/baytrail/nvs.h
@@ -70,6 +70,7 @@ typedef struct {
device_nvs_t dev;
} __attribute__((packed)) global_nvs_t;
+void acpi_create_gnvs(global_nvs_t *gnvs);
#ifdef __SMM__
/* Used in SMM to find the ACPI GNVS address */
global_nvs_t *smm_get_gnvs(void);
diff --git a/src/soc/intel/baytrail/northcluster.c b/src/soc/intel/baytrail/northcluster.c
index e90c030..f592673 100644
--- a/src/soc/intel/baytrail/northcluster.c
+++ b/src/soc/intel/baytrail/northcluster.c
@@ -22,6 +22,7 @@
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
+#include <arch/acpi.h>
#include <baytrail/iomap.h>
#include <baytrail/iosf.h>
@@ -139,8 +140,21 @@ static void nc_read_resources(device_t dev)
#endif
}
+unsigned long acpi_fill_slit(unsigned long current)
+{
+ // Not implemented
+ return current;
+}
+
+unsigned long acpi_fill_srat(unsigned long current)
+{
+ /* No NUMA, no SRAT */
+ return current;
+}
+
static struct device_operations nc_ops = {
.read_resources = nc_read_resources,
+ .acpi_fill_ssdt_generator = generate_cpu_entries,
.set_resources = NULL,
.enable_resources = NULL,
.init = NULL,
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index 49e4c91..a021088 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -39,6 +39,9 @@
#include <baytrail/ramstage.h>
#include <baytrail/spi.h>
#include "chip.h"
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <cpu/cpu.h>
static inline void
add_mmio_resource(device_t dev, int i, unsigned long addr, unsigned long size)
@@ -470,9 +473,38 @@ void southcluster_enable_dev(device_t dev)
}
}
+static void southcluster_inject_dsdt(void)
+{
+ global_nvs_t *gnvs;
+
+ gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
+ if (!gnvs) {
+ gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof (*gnvs));
+ if (gnvs)
+ memset(gnvs, 0, sizeof(*gnvs));
+ }
+
+ if (gnvs) {
+ int scopelen;
+ memset(gnvs, 0, sizeof(*gnvs));
+ acpi_create_gnvs(gnvs);
+ acpi_save_gnvs((unsigned long)gnvs);
+ /* And tell SMI about it */
+ smm_setup_structures(gnvs, NULL, NULL);
+
+ /* Add it to DSDT. */
+ scopelen = acpigen_write_scope("\\");
+ scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs);
+ acpigen_patch_len(scopelen - 1);
+ }
+}
+
+
static struct device_operations device_ops = {
.read_resources = sc_read_resources,
.set_resources = pci_dev_set_resources,
+ .acpi_inject_dsdt_generator = southcluster_inject_dsdt,
+ .write_acpi_tables = acpi_write_hpet,
.enable_resources = NULL,
.init = sc_init,
.enable = southcluster_enable_dev,
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