| /* | |
| * A lowlevel_init function that sets up the stack to call a C function to | |
| * perform further init. | |
| * | |
| * (C) Copyright 2010 | |
| * Texas Instruments, <www.ti.com> | |
| * | |
| * Author : | |
| * Aneesh V <aneesh@ti.com> | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #include <asm-offsets.h> | |
| #include <config.h> | |
| #include <linux/linkage.h> | |
| ENTRY(lowlevel_init) | |
| /* | |
| * Setup a temporary stack | |
| */ | |
| ldr sp, =CONFIG_SYS_INIT_SP_ADDR | |
| bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ | |
| #ifdef CONFIG_SPL_BUILD | |
| ldr r9, =gdata | |
| #else | |
| sub sp, sp, #GD_SIZE | |
| bic sp, sp, #7 | |
| mov r9, sp | |
| #endif | |
| /* | |
| * Save the old lr(passed in ip) and the current lr to stack | |
| */ | |
| push {ip, lr} | |
| /* | |
| * go setup pll, mux, memory | |
| */ | |
| bl s_init | |
| pop {ip, pc} | |
| ENDPROC(lowlevel_init) |