summaryrefslogtreecommitdiff
path: root/src/soc/amd/stoneyridge
diff options
context:
space:
mode:
authorFelix Held <felix-coreboot@felixheld.de>2021-02-10 03:29:48 +0100
committerMartin Roth <martinroth@google.com>2021-02-11 02:45:48 +0000
commita3a66b6e6845da98c0a0768c7c4ef2e365068044 (patch)
tree7cb74f7a0b0775b67133b9860cc61497643a3a5f /src/soc/amd/stoneyridge
parentbc134812c3038b001d6b8a6c9fd30b1574e8517a (diff)
soc/amd: move southbridge_smi_handler to common code
Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I650498321736eee3d33af51216eda1b650f11744 Reviewed-on: https://review.coreboot.org/c/coreboot/+/50463 Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/stoneyridge')
-rw-r--r--src/soc/amd/stoneyridge/smihandler.c46
1 files changed, 2 insertions, 44 deletions
diff --git a/src/soc/amd/stoneyridge/smihandler.c b/src/soc/amd/stoneyridge/smihandler.c
index ffcbaea72b..0b0f5c1e26 100644
--- a/src/soc/amd/stoneyridge/smihandler.c
+++ b/src/soc/amd/stoneyridge/smihandler.c
@@ -14,6 +14,7 @@
#include <amdblocks/acpimmio.h>
#include <amdblocks/acpi.h>
#include <amdblocks/smi.h>
+#include <amdblocks/smm.h>
#include <elog.h>
/* bits in smm_io_trap */
@@ -217,7 +218,7 @@ static const struct smi_sources_t smi_sources[] = {
{ .type = SMITYPE_SLP_TYP, .handler = sb_slp_typ_handler},
};
-static void *get_source_handler(int source)
+void *get_smi_source_handler(int source)
{
int i;
@@ -227,46 +228,3 @@ static void *get_source_handler(int source)
return NULL;
}
-
-static void process_smi_sources(uint32_t reg)
-{
- const uint32_t status = smi_read32(reg);
- int bit_zero = 32 / sizeof(uint32_t) * (reg - SMI_REG_SMISTS0);
- void (*source_handler)(void);
- int i;
-
- for (i = 0 ; i < 32 ; i++) {
- if (status & (1 << i)) {
- source_handler = get_source_handler(i + bit_zero);
- if (source_handler)
- source_handler();
- }
- }
-
- if (reg == SMI_REG_SMISTS0)
- if (status & GEVENT_MASK)
- /* Gevent[23:0] are assumed to be mainboard-specific */
- mainboard_smi_gpi(status & GEVENT_MASK);
-
- /* Clear all events in this register */
- smi_write32(reg, status);
-}
-
-void southbridge_smi_handler(void)
-{
- const uint16_t smi_src = smi_read16(SMI_REG_POINTER);
-
- if (smi_src & SMI_STATUS_SRC_SCI)
- /* Clear events to prevent re-entering SMI if event isn't handled */
- clear_smi_sci_status();
- if (smi_src & SMI_STATUS_SRC_0)
- process_smi_sources(SMI_REG_SMISTS0);
- if (smi_src & SMI_STATUS_SRC_1)
- process_smi_sources(SMI_REG_SMISTS1);
- if (smi_src & SMI_STATUS_SRC_2)
- process_smi_sources(SMI_REG_SMISTS2);
- if (smi_src & SMI_STATUS_SRC_3)
- process_smi_sources(SMI_REG_SMISTS3);
- if (smi_src & SMI_STATUS_SRC_4)
- process_smi_sources(SMI_REG_SMISTS4);
-}