| /* |
| * armboot - Startup Code for ARM926EJS CPU-core |
| * |
| * Copyright (c) 2003 Texas Instruments |
| * |
| * ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------ |
| * |
| * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> |
| * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> |
| * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de> |
| * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> |
| * Copyright (c) 2003 Kshitij <kshitij@ti.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <asm-offsets.h> |
| #include <config.h> |
| #include <version.h> |
| |
| /* |
| ************************************************************************* |
| * |
| * Startup Code (reset vector) |
| * |
| * do important init only if we don't start from memory! |
| * setup memory and board specific bits prior to relocation. |
| * relocate armboot to ram |
| * setup stack |
| * |
| ************************************************************************* |
| */ |
| |
| .globl reset |
| |
| reset: |
| /* |
| * set the cpu to SVC32 mode |
| */ |
| mrs r0,cpsr |
| bic r0,r0,#0x1f |
| orr r0,r0,#0xd3 |
| msr cpsr,r0 |
| |
| /* |
| * we do sys-critical inits only at reboot, |
| * not when booting from ram! |
| */ |
| #ifndef CONFIG_SKIP_LOWLEVEL_INIT |
| bl cpu_init_crit |
| #endif |
| |
| bl _main |
| |
| /*------------------------------------------------------------------------------*/ |
| |
| .globl c_runtime_cpu_setup |
| c_runtime_cpu_setup: |
| |
| mov pc, lr |
| |
| /* |
| ************************************************************************* |
| * |
| * CPU_init_critical registers |
| * |
| * setup important registers |
| * setup memory timing |
| * |
| ************************************************************************* |
| */ |
| |
| #ifndef CONFIG_SKIP_LOWLEVEL_INIT |
| cpu_init_crit: |
| /* arm_int_generic assumes the ARM boot monitor, or user software, |
| * has initialized the platform |
| */ |
| mov pc, lr /* back to my caller */ |
| #endif |