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authorJohnny Lin <johnny_lin@wiwynn.com>2019-08-13 15:36:23 +0800
committerAndrey Petrov <andrey.petrov@gmail.com>2019-08-20 18:18:34 +0000
commit64d8b9decf8fe51e13ef5e5e89c71682f1696608 (patch)
tree572183771d748af8f46293f1c0c97a878f490547 /src/mainboard/ocp/monolake/mainboard.c
parenta4542990f4cd5d9a18e8b0846b54fcfe5cbd01e5 (diff)
mb/ocp/monolake: Add IPMI CMOS clear support
coreboot would clear CMOS by request via IPMI command, for example BMC can issue "bios-util server --boot_order enable --clear_CMOS" to set the request and reboot the system, then coreboot would clear CMOS on the next boot. Tested on Mono Lake Change-Id: I21d44557896680cfac3c3b6d83e07b755b242cad Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34857 Reviewed-by: Johnny Lin Reviewed-by: Andrey Petrov <andrey.petrov@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/ocp/monolake/mainboard.c')
-rw-r--r--src/mainboard/ocp/monolake/mainboard.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/ocp/monolake/mainboard.c b/src/mainboard/ocp/monolake/mainboard.c
index bbfeeafb3b..56aef6b36e 100644
--- a/src/mainboard/ocp/monolake/mainboard.c
+++ b/src/mainboard/ocp/monolake/mainboard.c
@@ -19,6 +19,9 @@
#if CONFIG(VGA_ROM_RUN)
#include <x86emu/x86emu.h>
#endif
+#include <pc80/mc146818rtc.h>
+#include <cf9_reset.h>
+#include "ipmi.h"
#define BMC_KCS_BASE 0xca2
#define INTERFACE_IS_IO 0x1
@@ -57,9 +60,18 @@ static void mainboard_enable(struct device *dev)
/* Enable access to the BMC IPMI via KCS */
struct device *lpc_sio_dev = dev_find_slot_pnp(BMC_KCS_BASE, 0);
struct resource *res = new_resource(lpc_sio_dev, BMC_KCS_BASE);
+ ipmi_oem_rsp_t rsp;
res->base = BMC_KCS_BASE;
res->size = 1;
res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ if (is_ipmi_clear_cmos_set(&rsp)) {
+ /* TODO: Should also try to restore CMOS to cmos.default
+ * if USE_OPTION_TABLE is set */
+ cmos_init(1);
+ clear_ipmi_flags(&rsp);
+ system_reset();
+ }
}
struct chip_operations mainboard_ops = {