summaryrefslogtreecommitdiff
path: root/arch/powerpc/cpu/mpc83xx/fdt.c
blob: f249a585edf140a02278621a84a1519df91f49e0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * Copyright 2007 Freescale Semiconductor, Inc.
 *
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <asm/processor.h>

extern void ft_qe_setup(void *blob);

DECLARE_GLOBAL_DATA_PTR;

#if defined(CONFIG_BOOTCOUNT_LIMIT) && \
	(defined(CONFIG_QE) && !defined(CONFIG_MPC831x))
#include <linux/immap_qe.h>

void fdt_fixup_muram (void *blob)
{
	ulong data[2];

	data[0] = 0;
	data[1] = QE_MURAM_SIZE - 2 * sizeof(unsigned long);
	do_fixup_by_compat(blob, "fsl,qe-muram-data", "reg",
			data, sizeof (data), 0);
}
#endif

void ft_cpu_setup(void *blob, bd_t *bd)
{
	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
	int spridr = immr->sysconf.spridr;

	/*
	 * delete crypto node if not on an E-processor
	 * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
	 * EA revisions got the SEC uprevved to 2.4 but since the default device
	 * tree contains SEC 2.0 properties we uprev them here.
	 */
	if (!IS_E_PROCESSOR(spridr))
		fdt_fixup_crypto_node(blob, 0);
	else if (IS_E_PROCESSOR(spridr) &&
		 (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
		  SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
		 REVID_MAJOR(spridr) >= 2)
		fdt_fixup_crypto_node(blob, 0x0204);

#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
    defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
    defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
	fdt_fixup_ethernet(blob);
#ifdef CONFIG_MPC8313
	/*
	* mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
	* h/w (see AN3545).  The base device tree in use has rev. 1 ID numbers,
	* so if on Rev. 2 (and higher) h/w, we fix them up here
	*/
	if (REVID_MAJOR(immr->sysconf.spridr) >= 2) {
		int nodeoffset, path;
		const char *prop;

		nodeoffset = fdt_path_offset(blob, "/aliases");
		if (nodeoffset >= 0) {
#if defined(CONFIG_HAS_ETH0)
			prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
			if (prop) {
				u32 tmp[] = { 32, 0x8, 33, 0x8, 34, 0x8 };

				path = fdt_path_offset(blob, prop);
				prop = fdt_getprop(blob, path, "interrupts",
						   NULL);
				if (prop)
					fdt_setprop(blob, path, "interrupts",
						    &tmp, sizeof(tmp));
			}
#endif
#if defined(CONFIG_HAS_ETH1)
			prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
			if (prop) {
				u32 tmp[] = { 35, 0x8, 36, 0x8, 37, 0x8 };

				path = fdt_path_offset(blob, prop);
				prop = fdt_getprop(blob, path, "interrupts",
						   NULL);
				if (prop)
					fdt_setprop(blob, path, "interrupts",
						    &tmp, sizeof(tmp));
			}
#endif
		}
	}
#endif
#endif

	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
		"timebase-frequency", (bd->bi_busfreq / 4), 1);
	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
		"bus-frequency", bd->bi_busfreq, 1);
	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
		"clock-frequency", gd->arch.core_clk, 1);
	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
		"bus-frequency", bd->bi_busfreq, 1);
	do_fixup_by_compat_u32(blob, "fsl,soc",
		"bus-frequency", bd->bi_busfreq, 1);
	do_fixup_by_compat_u32(blob, "fsl,soc",
		"clock-frequency", bd->bi_busfreq, 1);
	do_fixup_by_compat_u32(blob, "fsl,immr",
		"bus-frequency", bd->bi_busfreq, 1);
	do_fixup_by_compat_u32(blob, "fsl,immr",
		"clock-frequency", bd->bi_busfreq, 1);
#ifdef CONFIG_QE
	ft_qe_setup(blob);
#endif

#ifdef CONFIG_SYS_NS16550
	do_fixup_by_compat_u32(blob, "ns16550",
		"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
#endif

	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);

#if defined(CONFIG_BOOTCOUNT_LIMIT) && \
	(defined(CONFIG_QE) && !defined(CONFIG_MPC831x))
	fdt_fixup_muram (blob);
#endif
}