soc/amd/*/smihandler: Make fch_apmc_smi_handler common

Rename soc/amd/common/block/cpu/smm/smi_ampc_helper.c to smi_apmc.c and
add the fch_apmc_smi_handler function.
Remove the duplicated function from picasso, cezanne, mendocino, and
morgana SoC.

The stoneyridge soc does not implement the APM_CNT_SMMINFO handler, so
give the handler a unique name that does not conflict with the common
handler name.

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I2e6fb59a1ee15b075ee3bbb5f95debe884b66789
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68441
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/src/soc/amd/stoneyridge/smihandler.c b/src/soc/amd/stoneyridge/smihandler.c
index 50a5111461..7ba9bb8853 100644
--- a/src/soc/amd/stoneyridge/smihandler.c
+++ b/src/soc/amd/stoneyridge/smihandler.c
@@ -15,7 +15,11 @@
 #include <soc/southbridge.h>
 #include <types.h>
 
-static void fch_apmc_smi_handler(void)
+/*
+ * stoneyridge does not implement the APM_CNT_SMMINFO handler,
+ * so it needs a special version
+ */
+static void stoneyridge_fch_apmc_smi_handler(void)
 {
 	const uint8_t cmd = inb(pm_acpi_smi_cmd_port());
 
@@ -135,7 +139,7 @@ int southbridge_io_trap_handler(int smif)
  * in southbridge.c is unrelated to this list.
  */
 static const struct smi_sources_t smi_sources[] = {
-	{ .type = SMITYPE_SMI_CMD_PORT, .handler = fch_apmc_smi_handler },
+	{ .type = SMITYPE_SMI_CMD_PORT, .handler = stoneyridge_fch_apmc_smi_handler },
 	{ .type = SMITYPE_SLP_TYP, .handler = fch_slp_typ_handler},
 };