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lib/utils: reset: Add RPMI System Reset driver

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Add RPMI based driver for system reset and enable it in the generic
platform defconfig

Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Rahul Pathak
2024-08-06 10:24:19 +05:30
committed by Anup Patel
parent 91f46fb47e
commit 6a26726e08
5 changed files with 177 additions and 0 deletions
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27
include/sbi_utils/mailbox/rpmi_msgprot.h
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@@ -196,6 +196,7 @@ struct rpmi_message_args {
enum rpmi_servicegroup_id {
RPMI_SRVGRP_ID_MIN = 0,
RPMI_SRVGRP_BASE = 0x0001,
RPMI_SRVGRP_SYSTEM_RESET = 0x0002,
RPMI_SRVGRP_ID_MAX_COUNT,
/* Reserved range for service groups */
@@ -252,4 +253,30 @@ struct rpmi_base_get_platform_info_resp {
char plat_info[];
};
/** RPMI System Reset ServiceGroup Service IDs */
enum rpmi_system_reset_service_id {
RPMI_SYSRST_SRV_ENABLE_NOTIFICATION = 0x01,
RPMI_SYSRST_SRV_GET_ATTRIBUTES = 0x02,
RPMI_SYSRST_SRV_SYSTEM_RESET = 0x03,
RPMI_SYSRST_SRV_ID_MAX_COUNT,
};
/** RPMI System Reset types */
enum rpmi_sysrst_reset_type {
RPMI_SYSRST_TYPE_SHUTDOWN = 0x0,
RPMI_SYSRST_TYPE_COLD_REBOOT = 0x1,
RPMI_SYSRST_TYPE_WARM_REBOOT = 0x2,
RPMI_SYSRST_TYPE_MAX,
};
#define RPMI_SYSRST_ATTRS_FLAGS_RESETTYPE_POS (1)
#define RPMI_SYSRST_ATTRS_FLAGS_RESETTYPE_MASK \
(1U << RPMI_SYSRST_ATTRS_FLAGS_RESETTYPE_POS)
/** Response for system reset attributes */
struct rpmi_sysrst_get_reset_attributes_resp {
s32 status;
u32 flags;
};
#endif /* !__RPMI_MSGPROT_H__ */