xref: /openbmc/u-boot/arch/powerpc/cpu/mpc83xx/fdt.c (revision 37544a6d)
1 /*
2  * Copyright 2007 Freescale Semiconductor, Inc.
3  *
4  * (C) Copyright 2000
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25 
26 #include <common.h>
27 #include <libfdt.h>
28 #include <fdt_support.h>
29 #include <asm/processor.h>
30 
31 extern void ft_qe_setup(void *blob);
32 
33 DECLARE_GLOBAL_DATA_PTR;
34 
35 #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
36 	(defined(CONFIG_QE))
37 #include <asm/immap_qe.h>
38 
39 void fdt_fixup_muram (void *blob)
40 {
41 	ulong data[2];
42 
43 	data[0] = 0;
44 	data[1] = QE_MURAM_SIZE - 2 * sizeof(unsigned long);
45 	do_fixup_by_compat(blob, "fsl,qe-muram-data", "reg",
46 			data, sizeof (data), 0);
47 }
48 #endif
49 
50 void ft_cpu_setup(void *blob, bd_t *bd)
51 {
52 	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
53 	int spridr = immr->sysconf.spridr;
54 
55 	/*
56 	 * delete crypto node if not on an E-processor
57 	 * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
58 	 * EA revisions got the SEC uprevved to 2.4 but since the default device
59 	 * tree contains SEC 2.0 properties we uprev them here.
60 	 */
61 	if (!IS_E_PROCESSOR(spridr))
62 		fdt_fixup_crypto_node(blob, 0);
63 	else if (IS_E_PROCESSOR(spridr) &&
64 		 (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
65 		  SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
66 		 REVID_MAJOR(spridr) >= 2)
67 		fdt_fixup_crypto_node(blob, 0x0204);
68 
69 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
70     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
71     defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
72 	fdt_fixup_ethernet(blob);
73 #ifdef CONFIG_MPC8313
74 	/*
75 	* mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
76 	* h/w (see AN3545).  The base device tree in use has rev. 1 ID numbers,
77 	* so if on Rev. 2 (and higher) h/w, we fix them up here
78 	*/
79 	if (REVID_MAJOR(immr->sysconf.spridr) >= 2) {
80 		int nodeoffset, path;
81 		const char *prop;
82 
83 		nodeoffset = fdt_path_offset(blob, "/aliases");
84 		if (nodeoffset >= 0) {
85 #if defined(CONFIG_HAS_ETH0)
86 			prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
87 			if (prop) {
88 				u32 tmp[] = { 32, 0x8, 33, 0x8, 34, 0x8 };
89 
90 				path = fdt_path_offset(blob, prop);
91 				prop = fdt_getprop(blob, path, "interrupts",
92 						   NULL);
93 				if (prop)
94 					fdt_setprop(blob, path, "interrupts",
95 						    &tmp, sizeof(tmp));
96 			}
97 #endif
98 #if defined(CONFIG_HAS_ETH1)
99 			prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
100 			if (prop) {
101 				u32 tmp[] = { 35, 0x8, 36, 0x8, 37, 0x8 };
102 
103 				path = fdt_path_offset(blob, prop);
104 				prop = fdt_getprop(blob, path, "interrupts",
105 						   NULL);
106 				if (prop)
107 					fdt_setprop(blob, path, "interrupts",
108 						    &tmp, sizeof(tmp));
109 			}
110 #endif
111 		}
112 	}
113 #endif
114 #endif
115 
116 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
117 		"timebase-frequency", (bd->bi_busfreq / 4), 1);
118 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
119 		"bus-frequency", bd->bi_busfreq, 1);
120 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
121 		"clock-frequency", gd->arch.core_clk, 1);
122 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
123 		"bus-frequency", bd->bi_busfreq, 1);
124 	do_fixup_by_compat_u32(blob, "fsl,soc",
125 		"bus-frequency", bd->bi_busfreq, 1);
126 	do_fixup_by_compat_u32(blob, "fsl,soc",
127 		"clock-frequency", bd->bi_busfreq, 1);
128 	do_fixup_by_compat_u32(blob, "fsl,immr",
129 		"bus-frequency", bd->bi_busfreq, 1);
130 	do_fixup_by_compat_u32(blob, "fsl,immr",
131 		"clock-frequency", bd->bi_busfreq, 1);
132 #ifdef CONFIG_QE
133 	ft_qe_setup(blob);
134 #endif
135 
136 #ifdef CONFIG_SYS_NS16550
137 	do_fixup_by_compat_u32(blob, "ns16550",
138 		"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
139 #endif
140 
141 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
142 
143 #if defined(CONFIG_BOOTCOUNT_LIMIT)
144 	fdt_fixup_muram (blob);
145 #endif
146 }
147