diff options
| author | Patrick Georgi <patrick@georgi-clan.de> | 2012-10-05 21:54:38 +0200 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-10-08 21:23:08 +0200 |
| commit | 9aeb69447d3839675b2cac51c3e95a4724fd9b0d (patch) | |
| tree | d9b1cc7483a51ab340d6d9fae78a30e562f99767 /src/mainboard/via | |
| parent | ec2c18ee6068ef6adf6f5be437d7047c91773654 (diff) | |
hpet: common ACPI generation
HPET's min ticks (minimum time between events to avoid
losing interrupts) is chipset specific, so move it to
Kconfig.
Via also has a special base address, so move it as well.
Apart from these (and the base address was already #defined),
the table is very uniform.
Change-Id: I848a2e2b0b16021c7ee5ba99097fa6a5886c3286
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/1562
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Dave Frodin <dave.frodin@se-eng.com>
Diffstat (limited to 'src/mainboard/via')
| -rw-r--r-- | src/mainboard/via/vt8454c/acpi_tables.c | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/src/mainboard/via/vt8454c/acpi_tables.c b/src/mainboard/via/vt8454c/acpi_tables.c index a191ada0f4..a13395acf3 100644 --- a/src/mainboard/via/vt8454c/acpi_tables.c +++ b/src/mainboard/via/vt8454c/acpi_tables.c @@ -51,40 +51,6 @@ unsigned long acpi_fill_mcfg(unsigned long current) return current; } - -static void acpi_create_via_hpet(acpi_hpet_t * hpet) -{ -#define HPET_ADDR 0xfe800000ULL - acpi_header_t *header = &(hpet->header); - acpi_addr_t *addr = &(hpet->addr); - - memset((void *) hpet, 0, sizeof(acpi_hpet_t)); - - /* fill out header fields */ - memcpy(header->signature, "HPET", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_hpet_t); - header->revision = 1; - - /* fill out HPET address */ - // XXX factory bios just puts an address here -- who's right? - addr->space_id = 0; /* Memory */ - addr->bit_width = 64; - addr->bit_offset = 0; - addr->addrl = HPET_ADDR & 0xffffffff; - addr->addrh = HPET_ADDR >> 32; - - hpet->id = 0x11068201; /* VIA */ - hpet->number = 0x00; - hpet->min_tick = 0x0090; - - header->checksum = - acpi_checksum((void *) hpet, sizeof(acpi_hpet_t)); -} - unsigned long acpi_fill_madt(unsigned long current) { /* Local Apic */ @@ -153,7 +119,7 @@ unsigned long write_acpi_tables(unsigned long start) hpet = (acpi_hpet_t *) current; current += sizeof(acpi_hpet_t); - acpi_create_via_hpet(hpet); + acpi_create_hpet(hpet); acpi_add_table(rsdp, hpet); /* If we want to use HPET Timers Linux wants an MADT */ |