soc/intel/common/block: Move power button SMI functions to common PMC block
This patch moves the functions update_pm1_enable and read_pm1_enable to common block PMC. We rename the functions to pmc_update_pm1_enable and pmc_read_pm1_enable to keep semantics consistent. Change-Id: I9a73a6348fc22367ee2e68bf2c31823ebfefc525 Signed-off-by: Shaunak Saha <shaunak.saha@intel.com> Reviewed-on: https://review.coreboot.org/21755 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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@ -42,6 +42,11 @@ uint32_t soc_get_smi_status(uint32_t generic_sts);
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*/
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int soc_prev_sleep_state(const struct chipset_power_state *ps,
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int prev_sleep_state);
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/* PM1 */
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void pmc_update_pm1_enable(uint16_t events);
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uint16_t pmc_read_pm1_enable(void);
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/*
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* Function to print, clear, and return SMI status bits in SMI_STS
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* register. This function internally calls pmc_reset_smi_status with
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@ -72,6 +72,23 @@ static uint32_t print_smi_status(uint32_t smi_sts)
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return smi_sts;
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}
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/*
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* Update supplied events in PM1_EN register. This does not disable any already
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* set events.
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*/
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void pmc_update_pm1_enable(u16 events)
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{
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u16 pm1_en = pmc_read_pm1_enable();
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pm1_en |= events;
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pmc_enable_pm1(pm1_en);
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}
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/* Read events set in PM1_EN register. */
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uint16_t pmc_read_pm1_enable(void)
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{
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return inw(ACPI_BASE_ADDRESS + PM1_EN);
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}
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uint32_t pmc_clear_smi_status(void)
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{
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uint32_t sts = pmc_reset_smi_status();
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