diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/lpc32xx/lowlevel_init.S')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/lpc32xx/lowlevel_init.S | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/lowlevel_init.S b/arch/arm/cpu/arm926ejs/lpc32xx/lowlevel_init.S deleted file mode 100644 index d42da2bc56..0000000000 --- a/arch/arm/cpu/arm926ejs/lpc32xx/lowlevel_init.S +++ /dev/null @@ -1,44 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * WORK Microwave work_92105 board low level init - * - * (C) Copyright 2014 DENX Software Engineering GmbH - * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr> - * - * Low level init is called from SPL to set up the clocks. - * On entry, the LPC3250 is in Direct Run mode with all clocks - * running at 13 MHz; on exit, ARM clock is 208 MHz, HCLK is - * 104 MHz and PCLK is 13 MHz. - * - * This code must run from SRAM so that the clock changes do - * not prevent it from executing. - */ - -.globl lowlevel_init - -lowlevel_init: - - /* Set ARM, HCLK, PCLK dividers for normal mode */ - ldr r0, =0x0000003D - ldr r1, =0x40004040 - str r0, [r1] - - /* Start HCLK PLL for 208 MHz */ - ldr r0, =0x0001401E - ldr r1, =0x40004058 - str r0, [r1] - - /* wait for HCLK PLL to lock */ -1: - ldr r0, [r1] - ands r0, r0, #1 - beq 1b - - /* switch to normal mode */ - ldr r1, =0x40004044 - ldr r0, [r1] - orr r0, #0x00000004 - str r0, [r1] - - /* Return to U-Boot via saved link register */ - mov pc, lr |