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| author | Rajan Vaja <rajan.vaja@xilinx.com> | 2018-02-14 23:10:54 -0800 |
|---|---|---|
| committer | Jolly Shah <jollys@xilinx.com> | 2018-03-15 10:24:09 -0700 |
| commit | f134200f1aac9a8d3ec211e61ba22246e484b04c (patch) | |
| tree | 5d3baf3ad54b7137bf7099add19bc64a326de767 /plat | |
| parent | 96d69865663656250aef9ed6e32136edcc2682e3 (diff) | |
| download | platform_external_arm-trusted-firmware-f134200f1aac9a8d3ec211e61ba22246e484b04c.tar.gz platform_external_arm-trusted-firmware-f134200f1aac9a8d3ec211e61ba22246e484b04c.tar.bz2 platform_external_arm-trusted-firmware-f134200f1aac9a8d3ec211e61ba22246e484b04c.zip | |
zynqmp: pm: Support ATF PM version check
Add SMC call to query ATF PM version. This version
can be used by Linux to match with expected version.
Signed-off-by: Rajan Vaja <rajanv@xilinx.com>
Diffstat (limited to 'plat')
| -rw-r--r-- | plat/xilinx/zynqmp/pm_service/pm_common.h | 5 | ||||
| -rw-r--r-- | plat/xilinx/zynqmp/pm_service/pm_svc_main.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/plat/xilinx/zynqmp/pm_service/pm_common.h b/plat/xilinx/zynqmp/pm_service/pm_common.h index 5dcbb0d86..4d03bc0f6 100644 --- a/plat/xilinx/zynqmp/pm_service/pm_common.h +++ b/plat/xilinx/zynqmp/pm_service/pm_common.h @@ -19,6 +19,11 @@ #define PAYLOAD_ARG_CNT 6U #define PAYLOAD_ARG_SIZE 4U /* size in bytes */ +#define ZYNQMP_TZ_VERSION_MAJOR 1 +#define ZYNQMP_TZ_VERSION_MINOR 0 +#define ZYNQMP_TZ_VERSION ((ZYNQMP_TZ_VERSION_MAJOR << 16) | \ + ZYNQMP_TZ_VERSION_MINOR) + /** * pm_ipi - struct for capturing IPI-channel specific info * @apu_ipi_id APU IPI agent ID diff --git a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c index 4fd69b91f..518e18fc9 100644 --- a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c +++ b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c @@ -19,6 +19,7 @@ #include "pm_ipi.h" #define PM_GET_CALLBACK_DATA 0xa01 +#define PM_GET_TRUSTZONE_VERSION 0xa03 /* 0 - UP, !0 - DOWN */ static int32_t pm_down = !0; @@ -355,6 +356,10 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3, SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32); } + case PM_GET_TRUSTZONE_VERSION: + SMC_RET1(handle, (uint64_t)PM_RET_SUCCESS | + ((uint64_t)ZYNQMP_TZ_VERSION << 32)); + default: WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid); SMC_RET1(handle, SMC_UNK); |