mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 01:17:39 +00:00
c37fdbdbb0
Add this API to make the individual device is able to be set to the specified permission. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
42 lines
785 B
C
42 lines
785 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>
|
|
|
|
void set_devices_ns_access(struct csu_ns_dev *ns_dev, u16 val)
|
|
{
|
|
u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR;
|
|
u32 *reg;
|
|
uint32_t tmp;
|
|
|
|
reg = base + ns_dev->ind / 2;
|
|
tmp = in_be32(reg);
|
|
if (ns_dev->ind % 2 == 0) {
|
|
tmp &= 0x0000ffff;
|
|
tmp |= val << 16;
|
|
} else {
|
|
tmp &= 0xffff0000;
|
|
tmp |= val;
|
|
}
|
|
|
|
out_be32(reg, tmp);
|
|
}
|
|
|
|
static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < num; i++)
|
|
set_devices_ns_access(ns_dev + i, ns_dev[i].val);
|
|
}
|
|
|
|
void enable_layerscape_ns_access(void)
|
|
{
|
|
enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev));
|
|
}
|