1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Freescale SOC support functions
 4 *
 5 * Author: Scott Wood <scottwood@freescale.com>
 6 *
 7 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 
 
 
 
 8 */
 9
10#include "ops.h"
11#include "types.h"
12#include "fsl-soc.h"
13#include "stdio.h"
14
15static u32 prop_buf[MAX_PROP_LEN / 4];
16
17u32 *fsl_get_immr(void)
18{
19	void *soc;
20	unsigned long ret = 0;
21
22	soc = find_node_by_devtype(NULL, "soc");
23	if (soc) {
24		int size;
25		u32 naddr;
26
27		size = getprop(soc, "#address-cells", prop_buf, MAX_PROP_LEN);
28		if (size == 4)
29			naddr = prop_buf[0];
30		else
31			naddr = 2;
32
33		if (naddr != 1 && naddr != 2)
34			goto err;
35
36		size = getprop(soc, "ranges", prop_buf, MAX_PROP_LEN);
37
38		if (size < 12)
39			goto err;
40		if (prop_buf[0] != 0)
41			goto err;
42		if (naddr == 2 && prop_buf[1] != 0)
43			goto err;
44
45		if (!dt_xlate_addr(soc, prop_buf + naddr, 8, &ret))
46			ret = 0;
47	}
48
49err:
50	if (!ret)
51		printf("fsl_get_immr: Failed to find immr base\r\n");
52
53	return (u32 *)ret;
54}

 
 1/*
 2 * Freescale SOC support functions
 3 *
 4 * Author: Scott Wood <scottwood@freescale.com>
 5 *
 6 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 7 *
 8 * This program is free software; you can redistribute it and/or modify it
 9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13#include "ops.h"
14#include "types.h"
15#include "fsl-soc.h"
16#include "stdio.h"
17
18static u32 prop_buf[MAX_PROP_LEN / 4];
19
20u32 *fsl_get_immr(void)
21{
22	void *soc;
23	unsigned long ret = 0;
24
25	soc = find_node_by_devtype(NULL, "soc");
26	if (soc) {
27		int size;
28		u32 naddr;
29
30		size = getprop(soc, "#address-cells", prop_buf, MAX_PROP_LEN);
31		if (size == 4)
32			naddr = prop_buf[0];
33		else
34			naddr = 2;
35
36		if (naddr != 1 && naddr != 2)
37			goto err;
38
39		size = getprop(soc, "ranges", prop_buf, MAX_PROP_LEN);
40
41		if (size < 12)
42			goto err;
43		if (prop_buf[0] != 0)
44			goto err;
45		if (naddr == 2 && prop_buf[1] != 0)
46			goto err;
47
48		if (!dt_xlate_addr(soc, prop_buf + naddr, 8, &ret))
49			ret = 0;
50	}
51
52err:
53	if (!ret)
54		printf("fsl_get_immr: Failed to find immr base\r\n");
55
56	return (u32 *)ret;
57}