From 87051cf96125845ec67be5981c149b1401fd4b60 Mon Sep 17 00:00:00 2001 From: Ji Luo Date: Fri, 21 Feb 2020 16:32:53 +0800 Subject: MA-15087 Enable Trusty OS for imx8mn Add trusty support for imx8mn, default load address and size of trusty are 0xbe000000 and 0x2000000. Signed-off-by: Ji Luo (cherry picked from commit 1566947ab431388906d71a1fb48e802fc9a1eec9) --- plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c b/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c index 96ed998f..c3868c0a 100644 --- a/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c +++ b/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c @@ -30,6 +30,8 @@ #include #include +#define TRUSTY_PARAMS_LEN_BYTES (4096*2) + static const mmap_region_t imx_mmap[] = { MAP_REGION_FLAT(IMX_GIC_BASE, IMX_GIC_SIZE, MT_DEVICE | MT_RW), MAP_REGION_FLAT(IMX_AIPS_BASE, IMX_AIPS_SIZE, MT_DEVICE | MT_RW), /* AIPS map */ @@ -158,13 +160,18 @@ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, bl33_image_ep_info.spsr = get_spsr_for_bl33_entry(); SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE); -#ifdef SPD_opteed +#if defined(SPD_opteed) || defined(SPD_trusty) /* Populate entry point information for BL32 */ SET_PARAM_HEAD(&bl32_image_ep_info, PARAM_EP, VERSION_1, 0); SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE); bl32_image_ep_info.pc = BL32_BASE; bl32_image_ep_info.spsr = 0; +#ifdef SPD_trusty + bl32_image_ep_info.args.arg0 = BL32_SIZE; + bl32_image_ep_info.args.arg1 = BL32_BASE; +#endif + /* Pass TEE base and size to bl33 */ bl33_image_ep_info.args.arg1 = BL32_BASE; bl33_image_ep_info.args.arg2 = BL32_SIZE; @@ -184,6 +191,10 @@ void bl31_plat_arch_setup(void) (BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE), MT_DEVICE | MT_RW | MT_SECURE); #endif + + // Map TEE memory + mmap_add_region(BL32_BASE, BL32_BASE, BL32_SIZE, MT_MEMORY | MT_RW); + mmap_add(imx_mmap); init_xlat_tables(); @@ -225,3 +236,11 @@ unsigned int plat_get_syscnt_freq2(void) { return COUNTER_FREQUENCY; } + +#ifdef SPD_trusty +void plat_trusty_set_boot_args(aapcs64_params_t *args) { + args->arg0 = BL32_SIZE; + args->arg1 = BL32_BASE; + args->arg2 = TRUSTY_PARAMS_LEN_BYTES; +} +#endif -- cgit v1.2.3