xref: /openbmc/u-boot/arch/powerpc/cpu/mpc83xx/fdt.c (revision 3ba98ed8)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2007 Freescale Semiconductor, Inc.
4  *
5  * (C) Copyright 2000
6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7  */
8 
9 #include <common.h>
10 #include <linux/libfdt.h>
11 #include <fdt_support.h>
12 #include <asm/processor.h>
13 
14 extern void ft_qe_setup(void *blob);
15 
16 DECLARE_GLOBAL_DATA_PTR;
17 
18 #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
19 	(defined(CONFIG_QE) && !defined(CONFIG_MPC831x))
20 #include <linux/immap_qe.h>
21 
22 void fdt_fixup_muram (void *blob)
23 {
24 	ulong data[2];
25 
26 	data[0] = 0;
27 	data[1] = QE_MURAM_SIZE - 2 * sizeof(unsigned long);
28 	do_fixup_by_compat(blob, "fsl,qe-muram-data", "reg",
29 			data, sizeof (data), 0);
30 }
31 #endif
32 
33 void ft_cpu_setup(void *blob, bd_t *bd)
34 {
35 	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
36 	int spridr = immr->sysconf.spridr;
37 
38 	/*
39 	 * delete crypto node if not on an E-processor
40 	 * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
41 	 * EA revisions got the SEC uprevved to 2.4 but since the default device
42 	 * tree contains SEC 2.0 properties we uprev them here.
43 	 */
44 	if (!IS_E_PROCESSOR(spridr))
45 		fdt_fixup_crypto_node(blob, 0);
46 	else if (IS_E_PROCESSOR(spridr) &&
47 		 (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
48 		  SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
49 		 REVID_MAJOR(spridr) >= 2)
50 		fdt_fixup_crypto_node(blob, 0x0204);
51 
52 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
53     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
54     defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
55 #ifdef CONFIG_MPC8313
56 	/*
57 	* mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
58 	* h/w (see AN3545).  The base device tree in use has rev. 1 ID numbers,
59 	* so if on Rev. 2 (and higher) h/w, we fix them up here
60 	*/
61 	if (REVID_MAJOR(immr->sysconf.spridr) >= 2) {
62 		int nodeoffset, path;
63 		const char *prop;
64 
65 		nodeoffset = fdt_path_offset(blob, "/aliases");
66 		if (nodeoffset >= 0) {
67 #if defined(CONFIG_HAS_ETH0)
68 			prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
69 			if (prop) {
70 				u32 tmp[] = { 32, 0x8, 33, 0x8, 34, 0x8 };
71 
72 				path = fdt_path_offset(blob, prop);
73 				prop = fdt_getprop(blob, path, "interrupts",
74 						   NULL);
75 				if (prop)
76 					fdt_setprop(blob, path, "interrupts",
77 						    &tmp, sizeof(tmp));
78 			}
79 #endif
80 #if defined(CONFIG_HAS_ETH1)
81 			prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
82 			if (prop) {
83 				u32 tmp[] = { 35, 0x8, 36, 0x8, 37, 0x8 };
84 
85 				path = fdt_path_offset(blob, prop);
86 				prop = fdt_getprop(blob, path, "interrupts",
87 						   NULL);
88 				if (prop)
89 					fdt_setprop(blob, path, "interrupts",
90 						    &tmp, sizeof(tmp));
91 			}
92 #endif
93 		}
94 	}
95 #endif
96 #endif
97 
98 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
99 		"timebase-frequency", (bd->bi_busfreq / 4), 1);
100 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
101 		"bus-frequency", bd->bi_busfreq, 1);
102 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
103 		"clock-frequency", gd->arch.core_clk, 1);
104 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
105 		"bus-frequency", bd->bi_busfreq, 1);
106 	do_fixup_by_compat_u32(blob, "fsl,soc",
107 		"bus-frequency", bd->bi_busfreq, 1);
108 	do_fixup_by_compat_u32(blob, "fsl,soc",
109 		"clock-frequency", bd->bi_busfreq, 1);
110 	do_fixup_by_compat_u32(blob, "fsl,immr",
111 		"bus-frequency", bd->bi_busfreq, 1);
112 	do_fixup_by_compat_u32(blob, "fsl,immr",
113 		"clock-frequency", bd->bi_busfreq, 1);
114 #ifdef CONFIG_QE
115 	ft_qe_setup(blob);
116 #endif
117 
118 #ifdef CONFIG_SYS_NS16550
119 	do_fixup_by_compat_u32(blob, "ns16550",
120 		"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
121 #endif
122 
123 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
124 
125 #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
126 	(defined(CONFIG_QE) && !defined(CONFIG_MPC831x))
127 	fdt_fixup_muram (blob);
128 #endif
129 }
130