soc/intel/apollolake: Use PCR write to disable HECI1

Set the SOC_INTEL_COMMON_BLOCK_HECI1_DISABLE_USING_PCR config for
Apollo Lake to disable HECI1 device using PCR writes.

BUG=none
TEST=None

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I8df9544296f0bea095c5415805a596cb5b36885e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61444
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
This commit is contained in:
Subrata Banik 2022-01-28 13:12:58 +05:30
parent be3e911d53
commit ea47c6b580
2 changed files with 3 additions and 2 deletions

View File

@ -73,6 +73,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_GPIO_ITSS_POL_CFG select SOC_INTEL_COMMON_BLOCK_GPIO_ITSS_POL_CFG
select SOC_INTEL_COMMON_BLOCK_GPIO_IOSTANDBY select SOC_INTEL_COMMON_BLOCK_GPIO_IOSTANDBY
select SOC_INTEL_COMMON_BLOCK_GRAPHICS select SOC_INTEL_COMMON_BLOCK_GRAPHICS
select SOC_INTEL_COMMON_BLOCK_HECI1_DISABLE_USING_PCR if DISABLE_HECI1_AT_PRE_BOOT
select SOC_INTEL_COMMON_BLOCK_ITSS select SOC_INTEL_COMMON_BLOCK_ITSS
select SOC_INTEL_COMMON_BLOCK_I2C select SOC_INTEL_COMMON_BLOCK_I2C
select SOC_INTEL_COMMON_BLOCK_LPC select SOC_INTEL_COMMON_BLOCK_LPC

View File

@ -192,7 +192,7 @@ static void dump_cse_state(void)
#define PCR_PSFX_T0_SHDW_PCIEN 0x1C #define PCR_PSFX_T0_SHDW_PCIEN 0x1C
#define PCR_PSFX_T0_SHDW_PCIEN_FUNDIS (1 << 8) #define PCR_PSFX_T0_SHDW_PCIEN_FUNDIS (1 << 8)
static void disable_heci1(void) void soc_disable_heci1_using_pcr(void)
{ {
pcr_or32(PID_PSF3, PSF3_BASE_ADDRESS + PCR_PSFX_T0_SHDW_PCIEN, pcr_or32(PID_PSF3, PSF3_BASE_ADDRESS + PCR_PSFX_T0_SHDW_PCIEN,
PCR_PSFX_T0_SHDW_PCIEN_FUNDIS); PCR_PSFX_T0_SHDW_PCIEN_FUNDIS);
@ -207,7 +207,7 @@ void heci_cse_lockdown(void)
* anymore. * anymore.
*/ */
if (CONFIG(DISABLE_HECI1_AT_PRE_BOOT)) if (CONFIG(DISABLE_HECI1_AT_PRE_BOOT))
disable_heci1(); heci1_disable();
} }
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, fpf_blown, NULL); BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, fpf_blown, NULL);