From 4e8baf9202a3de5dafeb1e26f95ded999ed5c667 Mon Sep 17 00:00:00 2001 From: Michael Niewöhner Date: Sun, 4 Oct 2020 14:34:41 +0200 Subject: soc/intel/*: drop useless XTAL shutdown qualification code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The XTAL shutdown (dis)qualification bit already unconditionally gets set to 1 by FSP for these platforms, making this code redundant. Change-Id: I7fa4afb0de2af1814e5b91c152d82d7ead310338 Signed-off-by: Michael Niewöhner Reviewed-on: https://review.coreboot.org/c/coreboot/+/46016 Reviewed-by: Nico Huber Tested-by: build bot (Jenkins) --- src/soc/intel/alderlake/finalize.c | 4 ---- src/soc/intel/cannonlake/finalize.c | 15 +++++---------- src/soc/intel/common/block/include/intelblocks/pmclib.h | 3 --- src/soc/intel/common/block/pmc/pmclib.c | 7 ------- src/soc/intel/elkhartlake/finalize.c | 4 ---- src/soc/intel/icelake/finalize.c | 4 ---- src/soc/intel/jasperlake/finalize.c | 4 ---- src/soc/intel/skylake/finalize.c | 4 ---- src/soc/intel/tigerlake/finalize.c | 4 ---- 9 files changed, 5 insertions(+), 44 deletions(-) (limited to 'src/soc/intel') diff --git a/src/soc/intel/alderlake/finalize.c b/src/soc/intel/alderlake/finalize.c index 24dbbd6ab7..b18d72bb6e 100644 --- a/src/soc/intel/alderlake/finalize.c +++ b/src/soc/intel/alderlake/finalize.c @@ -64,10 +64,6 @@ static void pch_finalize(void) if (config->PmTimerDisabled) pmc_disable_acpi_timer(); - /* Disable XTAL shutdown qualification for low power idle. */ - if (config->s0ix_enable) - pmc_ignore_xtal_shutdown(); - pch_handle_sideband(config); pmc_clear_pmcon_sts(); diff --git a/src/soc/intel/cannonlake/finalize.c b/src/soc/intel/cannonlake/finalize.c index 9eb9cbea8c..6ef43b97f8 100644 --- a/src/soc/intel/cannonlake/finalize.c +++ b/src/soc/intel/cannonlake/finalize.c @@ -73,16 +73,11 @@ static void pch_finalize(void) if (config->PmTimerDisabled) pmc_disable_acpi_timer(); - if (config->s0ix_enable) { - /* Disable XTAL shutdown qualification for low power idle. */ - pmc_ignore_xtal_shutdown(); - - if (config->cppmvric2_adsposcdis) { - /* Enable Audio DSP OSC qualification for S0ix */ - reg32 = read32(pmcbase + CPPMVRIC2); - reg32 &= ~ADSPOSCDIS; - write32(pmcbase + CPPMVRIC2, reg32); - } + if (config->s0ix_enable && config->cppmvric2_adsposcdis) { + /* Enable Audio DSP OSC qualification for S0ix */ + reg32 = read32(pmcbase + CPPMVRIC2); + reg32 &= ~ADSPOSCDIS; + write32(pmcbase + CPPMVRIC2, reg32); } pch_handle_sideband(config); diff --git a/src/soc/intel/common/block/include/intelblocks/pmclib.h b/src/soc/intel/common/block/include/intelblocks/pmclib.h index fa063f293e..2acc275b2f 100644 --- a/src/soc/intel/common/block/include/intelblocks/pmclib.h +++ b/src/soc/intel/common/block/include/intelblocks/pmclib.h @@ -232,7 +232,4 @@ uint8_t get_pm_pwr_cyc_dur(uint8_t slp_s4_min_assert, uint8_t slp_s3_min_assert, /* Disabling ACPI PM timer to ensure switches off TCO and necessary of XTAL OSC shutdown */ void pmc_disable_acpi_timer(void); -/* Disable XTAL shutdown qualification for low power idle. */ -void pmc_ignore_xtal_shutdown(void); - #endif /* SOC_INTEL_COMMON_BLOCK_PMCLIB_H */ diff --git a/src/soc/intel/common/block/pmc/pmclib.c b/src/soc/intel/common/block/pmc/pmclib.c index 8825bbe441..a5dff2d75b 100644 --- a/src/soc/intel/common/block/pmc/pmclib.c +++ b/src/soc/intel/common/block/pmc/pmclib.c @@ -708,11 +708,4 @@ void pmc_disable_acpi_timer(void) setbits8(pmcbase + PCH_PWRM_ACPI_TMR_CTL, ACPI_TIM_DIS); } - -void pmc_ignore_xtal_shutdown(void) -{ - uint8_t *pmcbase = pmc_mmio_regs(); - - setbits8(pmcbase + CPPMVRIC, XTALSDQDIS); -} #endif /* PMC_LOW_POWER_MODE_PROGRAM */ diff --git a/src/soc/intel/elkhartlake/finalize.c b/src/soc/intel/elkhartlake/finalize.c index bae8bcf5a8..a1cfd8be29 100644 --- a/src/soc/intel/elkhartlake/finalize.c +++ b/src/soc/intel/elkhartlake/finalize.c @@ -45,10 +45,6 @@ static void pch_finalize(void) if (config->PmTimerDisabled) pmc_disable_acpi_timer(); - /* Disable XTAL shutdown qualification for low power idle. */ - if (config->s0ix_enable) - pmc_ignore_xtal_shutdown(); - pmc_clear_pmcon_sts(); } diff --git a/src/soc/intel/icelake/finalize.c b/src/soc/intel/icelake/finalize.c index 363f579b0f..395bd395c4 100644 --- a/src/soc/intel/icelake/finalize.c +++ b/src/soc/intel/icelake/finalize.c @@ -70,10 +70,6 @@ static void pch_finalize(void) if (config->PmTimerDisabled) pmc_disable_acpi_timer(); - /* Disable XTAL shutdown qualification for low power idle. */ - if (config->s0ix_enable) - pmc_ignore_xtal_shutdown(); - pch_handle_sideband(config); pmc_clear_pmcon_sts(); diff --git a/src/soc/intel/jasperlake/finalize.c b/src/soc/intel/jasperlake/finalize.c index 1badad3425..61b8e33527 100644 --- a/src/soc/intel/jasperlake/finalize.c +++ b/src/soc/intel/jasperlake/finalize.c @@ -63,10 +63,6 @@ static void pch_finalize(void) if (config->PmTimerDisabled) pmc_disable_acpi_timer(); - /* Disable XTAL shutdown qualification for low power idle. */ - if (config->s0ix_enable) - pmc_ignore_xtal_shutdown(); - pch_handle_sideband(config); pmc_clear_pmcon_sts(); diff --git a/src/soc/intel/skylake/finalize.c b/src/soc/intel/skylake/finalize.c index ff3218981a..9edc7a2e18 100644 --- a/src/soc/intel/skylake/finalize.c +++ b/src/soc/intel/skylake/finalize.c @@ -73,10 +73,6 @@ static void pch_finalize_script(struct device *dev) if (config->PmTimerDisabled) pmc_disable_acpi_timer(); - /* Disable XTAL shutdown qualification for low power idle. */ - if (config->s0ix_enable) - pmc_ignore_xtal_shutdown(); - /* we should disable Heci1 based on the devicetree policy */ if (config->HeciEnabled == 0) pch_disable_heci(); diff --git a/src/soc/intel/tigerlake/finalize.c b/src/soc/intel/tigerlake/finalize.c index 2cc9671c30..44e6806162 100644 --- a/src/soc/intel/tigerlake/finalize.c +++ b/src/soc/intel/tigerlake/finalize.c @@ -51,10 +51,6 @@ static void pch_finalize(void) if (config->PmTimerDisabled) pmc_disable_acpi_timer(); - /* Disable XTAL shutdown qualification for low power idle. */ - if (config->s0ix_enable) - pmc_ignore_xtal_shutdown(); - pmc_clear_pmcon_sts(); } -- cgit v1.2.3