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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 17:43:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 17:43:51 +0000 |
commit | be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch) | |
tree | 779c248fb61c83f65d1f0dc867f2053d76b4e03a /plat/rockchip/common/rockchip_sip_svc.c | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.tar.xz arm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.zip |
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/rockchip/common/rockchip_sip_svc.c')
-rw-r--r-- | plat/rockchip/common/rockchip_sip_svc.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/plat/rockchip/common/rockchip_sip_svc.c b/plat/rockchip/common/rockchip_sip_svc.c new file mode 100644 index 0000000..27ef042 --- /dev/null +++ b/plat/rockchip/common/rockchip_sip_svc.c @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <common/debug.h> +#include <common/runtime_svc.h> +#include <lib/mmio.h> +#include <tools_share/uuid.h> + +#include <plat_sip_calls.h> +#include <rockchip_sip_svc.h> + +/* Rockchip SiP Service UUID */ +DEFINE_SVC_UUID2(rk_sip_svc_uid, + 0xe2c76fe8, 0x3e31, 0xe611, 0xb7, 0x0d, + 0x8f, 0x88, 0xee, 0x74, 0x7b, 0x72); + +#pragma weak rockchip_plat_sip_handler +uintptr_t rockchip_plat_sip_handler(uint32_t smc_fid, + u_register_t x1, + u_register_t x2, + u_register_t x3, + u_register_t x4, + void *cookie, + void *handle, + u_register_t flags) +{ + ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid); + SMC_RET1(handle, SMC_UNK); +} + +/* + * This function is responsible for handling all SiP calls from the NS world + */ +uintptr_t sip_smc_handler(uint32_t smc_fid, + u_register_t x1, + u_register_t x2, + u_register_t x3, + u_register_t x4, + void *cookie, + void *handle, + u_register_t flags) +{ + uint32_t ns; + + /* Determine which security state this SMC originated from */ + ns = is_caller_non_secure(flags); + if (!ns) + SMC_RET1(handle, SMC_UNK); + + switch (smc_fid) { + case SIP_SVC_CALL_COUNT: + /* Return the number of Rockchip SiP Service Calls. */ + SMC_RET1(handle, + RK_COMMON_SIP_NUM_CALLS + RK_PLAT_SIP_NUM_CALLS); + + case SIP_SVC_UID: + /* Return UID to the caller */ + SMC_UUID_RET(handle, rk_sip_svc_uid); + + case SIP_SVC_VERSION: + /* Return the version of current implementation */ + SMC_RET2(handle, RK_SIP_SVC_VERSION_MAJOR, + RK_SIP_SVC_VERSION_MINOR); + + default: + return rockchip_plat_sip_handler(smc_fid, x1, x2, x3, x4, + cookie, handle, flags); + } +} + +/* Define a runtime service descriptor for fast SMC calls */ +DECLARE_RT_SVC( + rockchip_sip_svc, + OEN_SIP_START, + OEN_SIP_END, + SMC_TYPE_FAST, + NULL, + sip_smc_handler +); |