diff options
Diffstat (limited to 'arch/arm/cpu/sa1100/cpu.c')
| -rw-r--r-- | arch/arm/cpu/sa1100/cpu.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/arch/arm/cpu/sa1100/cpu.c b/arch/arm/cpu/sa1100/cpu.c deleted file mode 100644 index 6f67f7f..0000000 --- a/arch/arm/cpu/sa1100/cpu.c +++ /dev/null @@ -1,65 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - */ - -/* - * CPU specific code - */ - -#include <common.h> -#include <command.h> -#include <cpu_func.h> -#include <irq_func.h> -#include <asm/system.h> -#include <asm/io.h> - -static void cache_flush(void); - -int cleanup_before_linux (void) -{ - /* - * this function is called just before we call linux - * it prepares the processor for linux - * - * just disable everything that can disturb booting linux - */ - - disable_interrupts(); - - /* turn off I-cache */ - icache_disable(); - dcache_disable(); - - /* flush I-cache */ - cache_flush(); - - return (0); -} - -/* flush I/D-cache */ -static void cache_flush (void) -{ - unsigned long i = 0; - - asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i)); -} - -#define RST_BASE 0x90030000 -#define RSRR 0x00 -#define RCSR 0x04 - -__attribute__((noreturn)) void reset_cpu(void) -{ - /* repeat endlessly */ - while (1) { - writel(0, RST_BASE + RCSR); - writel(1, RST_BASE + RSRR); - } -} |