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authorSubrata Banik <subrata.banik@intel.com>2019-07-08 14:49:22 +0530
committerSubrata Banik <subrata.banik@intel.com>2019-07-11 05:57:41 +0000
commit10a9432cc2ad77234442bd639194c5a80050854e (patch)
treece6f68feab9582d2ab62765cd0d9a3262bb62b69 /src/soc/intel/icelake
parent5b9948140f97eceb47ba026d7bad6dfa2a3c483d (diff)
soc/intel/common/timer: Move USE_LEGACY_8254_TIMER into common/block/timer
This patch moves USE_LEGACY_8254_TIMER Kconfig into common/block/timer for better code sharing. Also ported CB:33512 for SPT and ICP PCH. Change-Id: Ic767ff97aaa3eb7fa35ffa38fa416d006eaa6e78 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34132 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc/intel/icelake')
-rw-r--r--src/soc/intel/icelake/chip.h2
-rw-r--r--src/soc/intel/icelake/espi.c11
-rw-r--r--src/soc/intel/icelake/fsp_params.c4
3 files changed, 4 insertions, 13 deletions
diff --git a/src/soc/intel/icelake/chip.h b/src/soc/intel/icelake/chip.h
index 028f6b2c31..72596c46e2 100644
--- a/src/soc/intel/icelake/chip.h
+++ b/src/soc/intel/icelake/chip.h
@@ -204,8 +204,6 @@ struct soc_intel_icelake_config {
/* Enable/Disable EIST. 1b:Enabled, 0b:Disabled */
uint8_t eist_enable;
- /* Statically clock gate 8254 PIT. */
- uint8_t clock_gate_8254;
/* Enable C6 DRAM */
uint8_t enable_c6dram;
/*
diff --git a/src/soc/intel/icelake/espi.c b/src/soc/intel/icelake/espi.c
index a4b6d80aa9..a98821c903 100644
--- a/src/soc/intel/icelake/espi.c
+++ b/src/soc/intel/icelake/espi.c
@@ -199,16 +199,6 @@ static void pch_misc_init(void)
outb((1 << 7), 0x70);
};
-static void clock_gate_8254(const struct device *dev)
-{
- const config_t *config = dev->chip_info;
-
- if (!config->clock_gate_8254)
- return;
-
- itss_clock_gate_8254();
-}
-
void lpc_soc_init(struct device *dev)
{
/* Legacy initialization */
@@ -229,7 +219,6 @@ void lpc_soc_init(struct device *dev)
soc_pch_pirq_init(dev);
setup_i8259();
i8259_configure_irq_trigger(9, 1);
- clock_gate_8254(dev);
soc_mirror_dmi_pcr_io_dec();
}
diff --git a/src/soc/intel/icelake/fsp_params.c b/src/soc/intel/icelake/fsp_params.c
index 8b65a89731..03b00d94fb 100644
--- a/src/soc/intel/icelake/fsp_params.c
+++ b/src/soc/intel/icelake/fsp_params.c
@@ -124,6 +124,10 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
/* disable Legacy PME */
memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci));
+ /* Legacy 8254 timer support */
+ params->Enable8254ClockGating = !CONFIG_USE_LEGACY_8254_TIMER;
+ params->Enable8254ClockGatingOnS3 = 1;
+
/* S0ix */
params->PchPmSlpS0Enable = config->s0ix_enable;