mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 12:03:39 +00:00
1001502545
While converting CONFIG_SYS_[DI]CACHE_OFF to Kconfig, there are instances where these configuration items are conditional on SPL. This commit adds SPL variants of these configuration items, uses CONFIG_IS_ENABLED(), and updates the configurations as required. Acked-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Trevor Woerner <trevor@toganlabs.com> [trini: Make the default depend on the setting for full U-Boot, update more zynq hardware] Signed-off-by: Tom Rini <trini@konsulko.com>
52 lines
921 B
C
52 lines
921 B
C
// 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
|
|
* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
|
|
*/
|
|
|
|
/*
|
|
* CPU specific code
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <asm/system.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
|
|
*
|
|
* we turn off caches etc ...
|
|
*/
|
|
|
|
disable_interrupts ();
|
|
|
|
|
|
/* turn off I/D-cache */
|
|
icache_disable();
|
|
dcache_disable();
|
|
l2_cache_disable();
|
|
|
|
/* flush I/D-cache */
|
|
cache_flush();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* flush I/D-cache */
|
|
static void cache_flush (void)
|
|
{
|
|
#if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
|
|
unsigned long i = 0;
|
|
|
|
asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));
|
|
#endif
|
|
}
|