| /* |
| * 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, #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) |