u-boot/board/freescale/common/ns_access.c
Mingkai Hu 435acd83b2 armv7/ls1021a: move ns_access to common file
Config Security Level Register is different between different SoCs,
so put the CSL register definition into the arch specific directory.

Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Signed-off-by: Hou Zhiqiang <B48286@freescale.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-10-29 10:33:58 -07:00

36 lines
702 B
C

/*
* Copyright 2014 Freescale Semiconductor
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <fsl_csu.h>
#include <asm/arch/ns_access.h>
static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num)
{
u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR;
u32 *reg;
uint32_t val;
int i;
for (i = 0; i < num; i++) {
reg = base + ns_dev[i].ind / 2;
val = in_be32(reg);
if (ns_dev[i].ind % 2 == 0) {
val &= 0x0000ffff;
val |= ns_dev[i].val << 16;
} else {
val &= 0xffff0000;
val |= ns_dev[i].val;
}
out_be32(reg, val);
}
}
void enable_layerscape_ns_access(void)
{
enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev));
}