diff options
Diffstat (limited to 'arch/arm/include/asm/arch-rockchip/boot0.h')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/boot0.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/boot0.h b/arch/arm/include/asm/arch-rockchip/boot0.h deleted file mode 100644 index 0c375e5..0000000 --- a/arch/arm/include/asm/arch-rockchip/boot0.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright 2017 Theobroma Systems Design und Consulting GmbH - */ - -/* - * Execution starts on the instruction following this 4-byte header - * (containing the magic 'RK30', 'RK31', 'RK32' or 'RK33'). This - * magic constant will be written into the final image by the rkimage - * tool, but we need to reserve space for it here. - * - * To make life easier for everyone, we build the SPL binary with - * space for this 4-byte header already included in the binary. - */ -#ifdef CONFIG_SPL_BUILD - /* - * We need to add 4 bytes of space for the 'RK33' at the - * beginning of the executable. However, as we want to keep - * this generic and make it applicable to builds that are like - * the RK3368 (TPL needs this, SPL doesn't) or the RK3399 (no - * TPL, but extra space needed in the SPL), we simply insert - * a branch-to-next-instruction-word with the expectation that - * the first one may be overwritten, if this is the first stage - * contained in the final image created with mkimage)... - */ - b 1f /* if overwritten, entry-address is at the next word */ -1: -#endif -#if CONFIG_IS_ENABLED(ROCKCHIP_EARLYRETURN_TO_BROM) - adr r3, entry_counter - ldr r0, [r3] - cmp r0, #1 /* check if entry_counter == 1 */ - beq reset /* regular bootup */ - add r0, #1 - str r0, [r3] /* increment the entry_counter in memory */ - mov r0, #0 /* return 0 to the BROM to signal 'OK' */ - bx lr /* return control to the BROM */ -entry_counter: - .word 0 -#endif - -#if (defined(CONFIG_SPL_BUILD) || defined(CONFIG_ARM64)) - /* U-Boot proper of armv7 do not need this */ - b reset -#endif - -#if !defined(CONFIG_ARM64) - /* - * For armv7, the addr '_start' will used as vector start address - * and write to VBAR register, which needs to aligned to 0x20. - */ - .align(5), 0x0 -_start: - ARM_VECTORS -#endif - -#if !defined(CONFIG_TPL_BUILD) && defined(CONFIG_SPL_BUILD) && \ - (CONFIG_ROCKCHIP_SPL_RESERVE_IRAM > 0) - .space CONFIG_ROCKCHIP_SPL_RESERVE_IRAM /* space for the ATF data */ -#endif |