mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-04 05:50:17 +00:00
b96b175cbb
The Special Function Registers (SFR) are present in sam9x5 and sam9x60 too, rename sama5_sfr to at91_sfr.h. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
43 lines
971 B
C
43 lines
971 B
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2015 Atmel Corporation
|
|
* Wenyou Yang <wenyou.yang@atmel.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/hardware.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/at91_sfr.h>
|
|
|
|
#if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D4)
|
|
void redirect_int_from_saic_to_aic(void)
|
|
{
|
|
struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
|
|
u32 key32;
|
|
|
|
if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) {
|
|
key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY;
|
|
writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir);
|
|
}
|
|
}
|
|
|
|
void configure_2nd_sram_as_l2_cache(void)
|
|
{
|
|
struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
|
|
|
|
writel(1, &sfr->l2cc_hramc);
|
|
}
|
|
#endif
|
|
|
|
void configure_ddrcfg_input_buffers(bool open)
|
|
{
|
|
struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
|
|
|
|
if (open)
|
|
writel(ATMEL_SFR_DDRCFG_FDQIEN | ATMEL_SFR_DDRCFG_FDQSIEN,
|
|
&sfr->ddrcfg);
|
|
else
|
|
writel(0, &sfr->ddrcfg);
|
|
}
|
|
|