src/soc/intel/tigerlake: Add SPI DMI Destination ID

This change adds the SPI-DMI Destination ID for tigerlake
soc. This is needed for enabling support for extended
BIOS region. Also, implements a SOC helper function
soc_get_spi_dmi_destination_id() which returns SPI-DMI
Destination id.

BUG=b:171534504

Signed-off-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com>
Change-Id: I0b6a8af0c1e79fa668ef2f84b93f3bbece59eb6a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47989
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Srinidhi N Kaushik 2020-11-25 01:54:35 -08:00 committed by Furquan Shaikh
parent 609490854e
commit 237afda813
2 changed files with 12 additions and 0 deletions

View File

@ -31,4 +31,9 @@
#define PID_ESPI 0xc7
#define PID_SERIALIO 0xcb
/*
* SPI - DMI Destination ID
*/
#define SPI_DMI_DESTINATION_ID 0x23a8
#endif

View File

@ -7,7 +7,9 @@
*/
#include <intelblocks/spi.h>
#include <intelblocks/fast_spi.h>
#include <soc/pci_devs.h>
#include <soc/pcr_ids.h>
int spi_soc_devfn_to_bus(unsigned int devfn)
{
@ -23,3 +25,8 @@ int spi_soc_devfn_to_bus(unsigned int devfn)
}
return -1;
}
uint32_t soc_get_spi_dmi_destination_id(void)
{
return SPI_DMI_DESTINATION_ID;
}