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sb/intel/i82371eb: Declare reset register in FADT 

According to Intel Order Number 290562 (PIIX4 datasheet), 0xcf9 is the
reset register, and setting bits 1 and 2 will result in a hard reset.

Change-Id: Id5ada6a10b2269d51908c6a5fd7745ef6c33a29a
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43385
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Angel Pons 2020-07-12 23:11:50 +02:00
parent 2e5e99c48c
commit e8e2e3e00d
1 changed files with 7 additions and 7 deletions
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14
src/southbridge/intel/i82371eb/fadt.c
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@ -103,15 +103,15 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
* 18 FORCE_APIC_CLUSTER_MODEL
* 19 FORCE_APIC_PHYSICAL_DESTINATION_MODE
*/
fadt->flags = 0xa5;
fadt->flags = 0xa5 | ACPI_FADT_RESET_REGISTER;
fadt->reset_reg.space_id = 0;
fadt->reset_reg.bit_width = 0;
fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->reset_reg.bit_width = 8;
fadt->reset_reg.bit_offset = 0;
fadt->reset_reg.access_size = 0;
fadt->reset_reg.addrl = 0x0;
fadt->reset_reg.addrh = 0x0;
fadt->reset_value = 0;
fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->reset_reg.addrl = 0xcf9;
fadt->reset_reg.addrh = 0;
fadt->reset_value = 0x06;
fadt->x_pm1a_evt_blk.space_id = 1;
fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;