-----Original Message----- From: Lim, Jit Loon jit.loon.lim@intel.com Sent: Wednesday, 31 August, 2022 1:16 AM To: u-boot@lists.denx.de Cc: Jagan Teki jagan@amarulasolutions.com; Vignesh R vigneshr@ti.com; Vasut, Marek marex@denx.de; Simon simon.k.r.goldschmidt@gmail.com; Chee, Tien Fong tien.fong.chee@intel.com; Hea, Kok Kiang kok.kiang.hea@intel.com; Lim, Elly Siew Chin elly.siew.chin.lim@intel.com; Kho, Sin Hui sin.hui.kho@intel.com; Lokanathan, Raaj raaj.lokanathan@intel.com; Maniyam, Dinesh dinesh.maniyam@intel.com; Ng, Boon Khai boon.khai.ng@intel.com; Yuslaimi, Alif Zakuan alif.zakuan.yuslaimi@intel.com; Chong, Teik Heng teik.heng.chong@intel.com; Zamri, Muhammad Hazim Izzat muhammad.hazim.izzat.zamri@intel.com; Tang, Sieu Mun sieu.mun.tang@intel.com; Lim, Jit Loon jit.loon.lim@intel.com; Chin Liang See chin.liang.see@intel.com Subject: [PATCH] arch: arm: mach-socfpga: Add mailbox command for HPS execution stage notification
From: Chin Liang See chin.liang.see@intel.com
Add a new mailbox command "HPS_STAGE_NOTIFY" to notify Secure Device Manager (SDM) on the stage of HPS code execution. In general, there are three main code execution stages: First Stage Boot Loader (FSBL) which is U-Boot SPL, Second Stage Boot Loader (SSBL) which is U-Boot, and the Operating System which is Linux
Signed-off-by: Chin Liang See chin.liang.see@intel.com Signed-off-by: Jit Loon Lim jit.loon.lim@intel.com
arch/arm/mach-socfpga/include/mach/mailbox_s10.h | 7 +++++++ arch/arm/mach-socfpga/mailbox_s10.c | 6 ++++++ 2 files changed, 13 insertions(+)
diff --git a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h index fbaf11597e..87af6f1cfe 100644 --- a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h +++ b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h @@ -123,6 +123,7 @@ enum ALT_SDM_MBOX_RESP_CODE { #define MBOX_QSPI_CLOSE 51 #define MBOX_QSPI_DIRECT 59 #define MBOX_REBOOT_HPS 71 +#define MBOX_HPS_STAGE_NOTIFY 93
/* Mailbox registers */ #define MBOX_CIN 0 /* command valid offset */ @@ -166,6 +167,11 @@ enum ALT_SDM_MBOX_RESP_CODE { #define RCF_SOFTFUNC_STATUS_SEU_ERROR BIT(3) #define RCF_PIN_STATUS_NSTATUS BIT(31)
+/* Defines for HPS_STAGE_NOTIFY */ +#define HPS_EXECUTION_STATE_FSBL 0 +#define HPS_EXECUTION_STATE_SSBL 1 +#define HPS_EXECUTION_STATE_OS 2
int mbox_send_cmd(u8 id, u32 cmd, u8 is_indirect, u32 len, u32 *arg, u8 urgent, u32 *resp_buf_len, u32 *resp_buf); int mbox_send_cmd_psci(u8 id, u32 cmd, u8 is_indirect, u32 len, u32 *arg, @@ -182,6 +188,7 @@ int mbox_qspi_open(void); #endif
int mbox_reset_cold(void); +int mbox_hps_stage_notify(u32 execution_stage); int mbox_get_fpga_config_status(u32 cmd); int mbox_get_fpga_config_status_psci(u32 cmd); #endif /* _MAILBOX_S10_H_ */ diff --git a/arch/arm/mach-socfpga/mailbox_s10.c b/arch/arm/mach- socfpga/mailbox_s10.c index 101af23855..e86d9bf214 100644 --- a/arch/arm/mach-socfpga/mailbox_s10.c +++ b/arch/arm/mach-socfpga/mailbox_s10.c @@ -479,6 +479,12 @@ int __secure mbox_send_cmd_psci(u8 id, u32 cmd, u8 is_indirect, u32 len, urgent, resp_buf_len, resp_buf); }
+int mbox_hps_stage_notify(u32 execution_stage) {
- return mbox_send_cmd(MBOX_ID_UBOOT, MBOX_HPS_STAGE_NOTIFY,
MBOX_CMD_DIRECT, 1, &execution_stage, 0, 0,NULL); }
int mbox_send_cmd_only(u8 id, u32 cmd, u8 is_indirect, u32 len, u32 *arg) { return mbox_send_cmd_only_common(id, cmd, is_indirect, len, arg); -- 2.26.2
Reviewed-by: Tien Fong Chee tien.fong.chee@intel.com
Regards Tien Fong