[coreboot-gerrit] Change in coreboot[master]: soc/intel/common/block: Move power button SMI functions to common PMC...

[Shaunak Saha (Code Review)]

Shaunak Saha has uploaded this change for review. ( https://review.coreboot.org/21755

Change subject: soc/intel/common/block: Move power button SMI functions to common PMC block
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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 
---
M src/soc/intel/common/block/include/intelblocks/pmclib.h
M src/soc/intel/common/block/pmc/pmclib.c
2 files changed, 22 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/55/21755/1

diff --git a/src/soc/intel/common/block/include/intelblocks/pmclib.h b/src/soc/intel/common/block/include/intelblocks/pmclib.h
index 4093599..fe0a765 100644
--- a/src/soc/intel/common/block/include/intelblocks/pmclib.h
+++ b/src/soc/intel/common/block/include/intelblocks/pmclib.h
@@ -42,6 +42,11 @@
  */
 int soc_prev_sleep_state(const struct chipset_power_state *ps,
    				int prev_sleep_state);
+
+/* PM1 */
+void pmc_update_pm1_enable(uint16_t events);
+uint16_t pmc_read_pm1_enable(void);
+
 /*
  * Function to print, clear, and return SMI status bits in SMI_STS
  * register. This function internally calls pmc_reset_smi_status with
diff --git a/src/soc/intel/common/block/pmc/pmclib.c b/src/soc/intel/common/block/pmc/pmclib.c
index e741332..78b43e4 100644
--- a/src/soc/intel/common/block/pmc/pmclib.c
+++ b/src/soc/intel/common/block/pmc/pmclib.c
@@ -72,6 +72,23 @@
    return smi_sts;
 }

+/*
+ * Update supplied events in PM1_EN register. This does not disable any already
+ * set events.
+ */
+void pmc_update_pm1_enable(u16 events)
+{
+	u16 pm1_en = pmc_read_pm1_enable();
+	pm1_en |= events;
+	pmc_enable_pm1(pm1_en);
+}
+
+/* Read events set in PM1_EN register. */
+uint16_t pmc_read_pm1_enable(void)
+{
+	return inw(ACPI_BASE_ADDRESS + PM1_EN);
+}
+
 uint32_t pmc_clear_smi_status(void)
 {
    uint32_t sts = pmc_reset_smi_status();