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https://github.com/brain-hackers/u-boot-brain
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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>
43 lines
785 B
C
43 lines
785 B
C
/*
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* Copyright 2014 Freescale Semiconductor
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <fsl_csu.h>
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#include <asm/arch/ns_access.h>
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void set_devices_ns_access(struct csu_ns_dev *ns_dev, u16 val)
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{
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u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR;
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u32 *reg;
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uint32_t tmp;
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reg = base + ns_dev->ind / 2;
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tmp = in_be32(reg);
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if (ns_dev->ind % 2 == 0) {
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tmp &= 0x0000ffff;
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tmp |= val << 16;
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} else {
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tmp &= 0xffff0000;
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tmp |= val;
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}
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out_be32(reg, tmp);
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}
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static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num)
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{
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int i;
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for (i = 0; i < num; i++)
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set_devices_ns_access(ns_dev + i, ns_dev[i].val);
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}
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void enable_layerscape_ns_access(void)
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{
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enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev));
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}
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