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authorRudolf Marek <r.marek@assembler.cz>2011-10-12 22:11:40 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2011-10-13 01:09:50 +0200
commit3a1fe9dec1d4758fd9c5c52f93c4efb5956f3c33 (patch)
treeacfd35ffa4342d2d16ea7d05a186216d2e909b29 /src/mainboard/asus/a8v-e_se
parent8ae574c805584997f4fe2a39ec852a7de2a3233c (diff)
downloadcoreboot-3a1fe9dec1d4758fd9c5c52f93c4efb5956f3c33.tar.xz
Make Asus A8V-E SE better ACPI citizen.
Use the SSDT autogen infrastructure to support the automatic reserved resources, automatic P-state generation and automatic _CRS PCI0 method. Change-Id: Ic56a92eeb70a0a2a2d6de2507009ec3a832c83b3 Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Reviewed-on: http://review.coreboot.org/251 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/asus/a8v-e_se')
-rw-r--r--src/mainboard/asus/a8v-e_se/acpi_tables.c19
-rw-r--r--src/mainboard/asus/a8v-e_se/dsdt.asl52
2 files changed, 64 insertions, 7 deletions
diff --git a/src/mainboard/asus/a8v-e_se/acpi_tables.c b/src/mainboard/asus/a8v-e_se/acpi_tables.c
index fe8d4757ee..e08b3053d7 100644
--- a/src/mainboard/asus/a8v-e_se/acpi_tables.c
+++ b/src/mainboard/asus/a8v-e_se/acpi_tables.c
@@ -31,6 +31,8 @@
#include <device/pci_ids.h>
#include "southbridge/via/vt8237r/vt8237r.h"
#include "southbridge/via/k8t890/k8t890.h"
+#include "northbridge/amd/amdk8/acpi.h"
+#include <cpu/amd/model_fxx_powernow.h>
extern const unsigned char AmlCode[];
@@ -81,6 +83,14 @@ unsigned long acpi_fill_madt(unsigned long current)
return current;
}
+unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
+{
+ k8acpi_write_vars();
+ amd_model_fxx_generate_powernow(0, 0, 0);
+ acpigen_write_mainboard_resources("\\_SB.PCI0.MBRS", "_CRS");
+ return (unsigned long) (acpigen_get_current());
+}
+
unsigned long write_acpi_tables(unsigned long start)
{
unsigned long current;
@@ -91,6 +101,7 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_mcfg_t *mcfg;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
+ acpi_header_t *ssdt;
acpi_header_t *dsdt;
/* Align ACPI tables to 16 byte. */
@@ -151,6 +162,14 @@ unsigned long write_acpi_tables(unsigned long start)
current += srat->header.length;
acpi_add_table(rsdp, srat);
+ /* SSDT */
+ printk(BIOS_DEBUG, "ACPI: * SSDT\n");
+ ssdt = (acpi_header_t *)current;
+
+ acpi_create_ssdt_generator(ssdt, "DYNADATA");
+ current += ssdt->length;
+ acpi_add_table(rsdp, ssdt);
+
printk(BIOS_INFO, "ACPI: done.\n");
return current;
}
diff --git a/src/mainboard/asus/a8v-e_se/dsdt.asl b/src/mainboard/asus/a8v-e_se/dsdt.asl
index 6a46102b5a..16ad92c077 100644
--- a/src/mainboard/asus/a8v-e_se/dsdt.asl
+++ b/src/mainboard/asus/a8v-e_se/dsdt.asl
@@ -24,12 +24,7 @@
DefinitionBlock ("DSDT.aml", "DSDT", 1, "CORE ", "COREBOOT", 1)
{
- /* Define the main processor.*/
- Scope (\_PR)
- {
- Processor (\_PR.CPU0, 0x00, 0x000000, 0x00) {}
- Processor (\_PR.CPU1, 0x01, 0x000000, 0x00) {}
- }
+ #include "northbridge/amd/amdk8/util.asl"
/* For now only define 2 power states:
* - S0 which is fully on
@@ -50,8 +45,44 @@ DefinitionBlock ("DSDT.aml", "DSDT", 1, "CORE ", "COREBOOT", 1)
Name (_UID, 0x00)
Name (_BBN, 0x00)
+ External (BUSN)
+ External (MMIO)
+ External (PCIO)
+ External (SBLK)
+ External (TOM1)
+ External (HCLK)
+ External (SBDN)
+ External (HCDN)
+
+ Method (_CRS, 0, NotSerialized)
+ {
+ Name (BUF0, ResourceTemplate ()
+ {
+ IO (Decode16,
+ 0x0CF8, // Address Range Minimum
+ 0x0CF8, // Address Range Maximum
+ 0x01, // Address Alignment
+ 0x08, // Address Length
+ )
+ WordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+ 0x0000, // Address Space Granularity
+ 0x0000, // Address Range Minimum
+ 0x0CF7, // Address Range Maximum
+ 0x0000, // Address Translation Offset
+ 0x0CF8, // Address Length
+ ,, , TypeStatic)
+ })
+ /* Methods bellow use SSDT to get actual MMIO regs
+ The IO ports are from 0xd00, optionally an VGA,
+ otherwise the info from MMIO is used.
+ */
+ Concatenate (\_SB.GMEM (0x00, \_SB.PCI0.SBLK), BUF0, Local1)
+ Concatenate (\_SB.GIOR (0x00, \_SB.PCI0.SBLK), Local1, Local2)
+ Concatenate (\_SB.GWBN (0x00, \_SB.PCI0.SBLK), Local2, Local3)
+ Return (Local3)
+ }
+
/* PCI Routing Table */
- /* aaa */
Name (_PRT, Package () {
Package (0x04) { 0x000BFFFF, 0x00, 0x00, 0x10 }, /* Slot 0xB */
Package (0x04) { 0x000BFFFF, 0x01, 0x00, 0x11 },
@@ -206,6 +237,13 @@ DefinitionBlock ("DSDT.aml", "DSDT", 1, "CORE ", "COREBOOT", 1)
}
}
}
+ /* Dummy device to hold auto generated reserved resources */
+ Device(MBRS) {
+ Name (_HID, EisaId ("PNP0C02"))
+ Name (_UID, 0x01)
+ External(_CRS) /* Resource Template in SSDT */
+ }
+
}
}
}