/* SPDX-License-Identifier: GPL-2.0+ */ /* * Configuration settings for the Allwinner A64 (sun50i) CPU */ #if defined(CONFIG_RESERVE_ALLWINNER_BOOT0_HEADER) && !defined(CONFIG_SPL_BUILD) /* reserve space for BOOT0 header information */ b reset .space 1532 #elif defined(CONFIG_ARM_BOOT_HOOK_RMR) /* * Switch into AArch64 if needed. * Refer to arch/arm/mach-sunxi/rmr_switch.S for the original source. */ tst x0, x0 // this is "b #0x84" in ARM b reset .space 0x7c .word 0xe28f0058 // add r0, pc, #88 .word 0xe59f1054 // ldr r1, [pc, #84] .word 0xe0800001 // add r0, r0, r1 .word 0xe580d000 // str sp, [r0] .word 0xe580e004 // str lr, [r0, #4] .word 0xe10fe000 // mrs lr, CPSR .word 0xe580e008 // str lr, [r0, #8] .word 0xee11ef10 // mrc 15, 0, lr, cr1, cr0, {0} .word 0xe580e00c // str lr, [r0, #12] .word 0xee1cef10 // mrc 15, 0, lr, cr12, cr0, {0} .word 0xe580e010 // str lr, [r0, #16] .word 0xe59f1024 // ldr r1, [pc, #36] ; 0x170000a0 .word 0xe59f0024 // ldr r0, [pc, #36] ; CONFIG_*_TEXT_BASE .word 0xe5810000 // str r0, [r1] .word 0xf57ff04f // dsb sy .word 0xf57ff06f // isb sy .word 0xee1c0f50 // mrc 15, 0, r0, cr12, cr0, {2} ; RMR .word 0xe3800003 // orr r0, r0, #3 .word 0xee0c0f50 // mcr 15, 0, r0, cr12, cr0, {2} ; RMR .word 0xf57ff06f // isb sy .word 0xe320f003 // wfi .word 0xeafffffd // b @wfi #ifndef CONFIG_SUN50I_GEN_H6 .word 0x017000a0 // writeable RVBAR mapping address #else .word 0x09010040 // writeable RVBAR mapping address #endif #ifdef CONFIG_SPL_BUILD .word CONFIG_SPL_TEXT_BASE #else .word CONFIG_TEXT_BASE #endif .word fel_stash - . #else /* normal execution */ b reset #endif