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| author | Rudolf Marek <r.marek@assembler.cz> | 2009-02-01 18:35:15 +0000 |
|---|---|---|
| committer | Rudolf Marek <r.marek@assembler.cz> | 2009-02-01 18:35:15 +0000 |
| commit | 293b5f52253ec0e5edb38e9f7113afc7e8f8ba6e (patch) | |
| tree | d0ab38cd89f3ceace9ee3de1cddd6bb5d9acea1a /src/mainboard | |
| parent | 1c49bc9744c2e9044ddd1c8d20a1728f57eda85c (diff) | |
Following patch adds dynamic ACPI AML code generator which can be used to
generate run-time ACPI ASL code.
Moreover it demonstrates its use on Asus M2V-MX SE where the SSDT table is
generated by new function k8acpi_write_vars (technically similar to
update_ssdt). But lot of nicer.
x
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3925 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/asus/m2v-mx_se/acpi_tables.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/mainboard/asus/m2v-mx_se/acpi_tables.c b/src/mainboard/asus/m2v-mx_se/acpi_tables.c index 4fb27dbbfb..33540e09b8 100644 --- a/src/mainboard/asus/m2v-mx_se/acpi_tables.c +++ b/src/mainboard/asus/m2v-mx_se/acpi_tables.c @@ -30,9 +30,9 @@ #include <device/pci_ids.h> #include <../../../southbridge/via/vt8237r/vt8237r.h> #include <../../../southbridge/via/k8t890/k8t890.h> +#include <../../../northbridge/amd/amdk8/amdk8_acpi.h> extern unsigned char AmlCode[]; -extern unsigned char AmlCode_ssdt[]; unsigned long acpi_fill_mcfg(unsigned long current) { @@ -81,6 +81,12 @@ unsigned long acpi_fill_madt(unsigned long current) return current; } +unsigned long acpi_fill_ssdt_generator(unsigned long current, char *oem_table_id) { + k8acpi_write_vars(); + /* put PSTATES generator call here */ + return (unsigned long) (acpigen_get_current()); +} + unsigned long write_acpi_tables(unsigned long start) { unsigned long current; @@ -175,13 +181,10 @@ unsigned long write_acpi_tables(unsigned long start) /* SSDT */ printk_debug("ACPI: * SSDT\n"); ssdt = (acpi_header_t *)current; - current += ((acpi_header_t *)AmlCode_ssdt)->length; - memcpy((void *)ssdt, (void *)AmlCode_ssdt, ((acpi_header_t *)AmlCode_ssdt)->length); - update_ssdt((void*)ssdt); - /* recalculate checksum */ - ssdt->checksum = 0; - ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length); - acpi_add_table(rsdt,ssdt); + + acpi_create_ssdt_generator(ssdt, "DYNADATA"); + current += ssdt->length; + acpi_add_table(rsdt, ssdt); printk_info("ACPI: done.\n"); return current; |