diff --git a/arch/arm/boards/nxp-imx8mq-evk/Makefile b/arch/arm/boards/nxp-imx8mq-evk/Makefile index 7907de4..2995f06 100644 --- a/arch/arm/boards/nxp-imx8mq-evk/Makefile +++ b/arch/arm/boards/nxp-imx8mq-evk/Makefile @@ -1,2 +1,2 @@ obj-y += board.o -lwl-y += lowlevel.o ddr_init.o ddrphy_train.o trampoline.o +lwl-y += lowlevel.o ddr_init.o ddrphy_train.o diff --git a/arch/arm/boards/nxp-imx8mq-evk/lowlevel.c b/arch/arm/boards/nxp-imx8mq-evk/lowlevel.c index cb1c499..46dba16 100644 --- a/arch/arm/boards/nxp-imx8mq-evk/lowlevel.c +++ b/arch/arm/boards/nxp-imx8mq-evk/lowlevel.c @@ -56,27 +56,6 @@ ddr_init(); } -extern unsigned char trampoline_start[]; -extern unsigned char trampoline_end[]; - -static void nxp_imx8mq_evk_install_tfa_trampoline(void) -{ - unsigned int tramp_len; - unsigned int offset; - /* - * Create a trampoline which is places in DRAM and calls back into the - * PBL entry function found in the TCRAM. Register x0 is set to 1 to - * indicate that DRAM setup was already run. - */ - tramp_len = (void *)trampoline_end - (void *)trampoline_start; - memcpy((void *)MX8MQ_ATF_BL33_BASE_ADDR, (void *)trampoline_start, - tramp_len); - - offset = get_runtime_offset(); - memcpy((void *)MX8MQ_ATF_BL33_BASE_ADDR + tramp_len, &offset, - sizeof(offset)); -} - /* * Power-on execution flow of start_nxp_imx8mq_evk() might not be * obvious for a very first read, so here's, hopefully helpful, @@ -117,8 +96,12 @@ */ if (current_el() == 3) { nxp_imx8mq_evk_sram_setup(); - nxp_imx8mq_evk_install_tfa_trampoline(); get_builtin_firmware(imx8mq_bl31_bin, &bl31, &bl31_size); + /* + * On completion the TF-A will jump to MX8MQ_ATF_BL33_BASE_ADDR in + * EL2. Copy ourselves there. + */ + memcpy((void *)MX8MQ_ATF_BL33_BASE_ADDR, _text, __bss_start - _text); imx8mq_atf_load_bl31(bl31, bl31_size); } diff --git a/arch/arm/boards/nxp-imx8mq-evk/trampoline.S b/arch/arm/boards/nxp-imx8mq-evk/trampoline.S deleted file mode 100644 index 54a1b76..0000000 --- a/arch/arm/boards/nxp-imx8mq-evk/trampoline.S +++ /dev/null @@ -1,10 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0) */ -#include -#include - .section .trampoline,"a" - .globl trampoline_start -trampoline_start: - ldr w19, trampoline_end - br x19 - .globl trampoline_end -trampoline_end: