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authorAndrew Jones <ajones@ventanamicro.com>2023-02-27 13:31:02 +0300
committerAnup Patel <anup@brainfault.org>2023-02-27 17:13:52 +0300
commit73623a0acac7f62646757cdd5a03b325eba3e0c9 (patch)
tree3665667dbfecdfaf68789e8aaa8508b9e3d83255 /include/sbi/sbi_ecall_interface.h
parent8a40306371b7e5dbe20da946edd0ddd9693bfa85 (diff)
downloadopensbi-73623a0acac7f62646757cdd5a03b325eba3e0c9.tar.xz
lib: sbi: Add system suspend skeleton
Add the SUSP extension probe and ecall support, but for now the system suspend function is just a stub. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'include/sbi/sbi_ecall_interface.h')
-rw-r--r--include/sbi/sbi_ecall_interface.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/sbi/sbi_ecall_interface.h b/include/sbi/sbi_ecall_interface.h
index 9d6f474..4c378c3 100644
--- a/include/sbi/sbi_ecall_interface.h
+++ b/include/sbi/sbi_ecall_interface.h
@@ -30,6 +30,7 @@
#define SBI_EXT_SRST 0x53525354
#define SBI_EXT_PMU 0x504D55
#define SBI_EXT_DBCN 0x4442434E
+#define SBI_EXT_SUSP 0x53555350
/* SBI function IDs for BASE extension*/
#define SBI_EXT_BASE_GET_SPEC_VERSION 0x0
@@ -236,6 +237,13 @@ enum sbi_pmu_ctr_type {
#define SBI_EXT_DBCN_CONSOLE_READ 0x1
#define SBI_EXT_DBCN_CONSOLE_WRITE_BYTE 0x2
+/* SBI function IDs for SUSP extension */
+#define SBI_EXT_SUSP_SUSPEND 0x0
+
+#define SBI_SUSP_SLEEP_TYPE_SUSPEND 0x0
+#define SBI_SUSP_SLEEP_TYPE_LAST SBI_SUSP_SLEEP_TYPE_SUSPEND
+#define SBI_SUSP_PLATFORM_SLEEP_START 0x80000000
+
/* SBI base specification related macros */
#define SBI_SPEC_VERSION_MAJOR_OFFSET 24
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f