xref: /openbmc/u-boot/arch/powerpc/cpu/mpc83xx/fdt.c (revision cdb74977)
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) && defined(CONFIG_MPC8360)
36 #include <asm/immap_qe.h>
37 
38 void fdt_fixup_muram (void *blob)
39 {
40 	ulong data[2];
41 
42 	data[0] = 0;
43 	data[1] = QE_MURAM_SIZE - 2 * sizeof(unsigned long);
44 	do_fixup_by_compat(blob, "fsl,qe-muram-data", "reg",
45 			data, sizeof (data), 0);
46 }
47 #endif
48 
49 void ft_cpu_setup(void *blob, bd_t *bd)
50 {
51 	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
52 	int spridr = immr->sysconf.spridr;
53 
54 	/*
55 	 * delete crypto node if not on an E-processor
56 	 * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
57 	 * EA revisions got the SEC uprevved to 2.4 but since the default device
58 	 * tree contains SEC 2.0 properties we uprev them here.
59 	 */
60 	if (!IS_E_PROCESSOR(spridr))
61 		fdt_fixup_crypto_node(blob, 0);
62 	else if (IS_E_PROCESSOR(spridr) &&
63 		 (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
64 		  SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
65 		 REVID_MAJOR(spridr) >= 2)
66 		fdt_fixup_crypto_node(blob, 0x0204);
67 
68 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
69     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
70     defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
71 	fdt_fixup_ethernet(blob);
72 #ifdef CONFIG_MPC8313
73 	/*
74 	* mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
75 	* h/w (see AN3545).  The base device tree in use has rev. 1 ID numbers,
76 	* so if on Rev. 2 (and higher) h/w, we fix them up here
77 	*/
78 	if (REVID_MAJOR(immr->sysconf.spridr) >= 2) {
79 		int nodeoffset, path;
80 		const char *prop;
81 
82 		nodeoffset = fdt_path_offset(blob, "/aliases");
83 		if (nodeoffset >= 0) {
84 #if defined(CONFIG_HAS_ETH0)
85 			prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
86 			if (prop) {
87 				u32 tmp[] = { 32, 0x8, 33, 0x8, 34, 0x8 };
88 
89 				path = fdt_path_offset(blob, prop);
90 				prop = fdt_getprop(blob, path, "interrupts", 0);
91 				if (prop)
92 					fdt_setprop(blob, path, "interrupts",
93 						    &tmp, sizeof(tmp));
94 			}
95 #endif
96 #if defined(CONFIG_HAS_ETH1)
97 			prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
98 			if (prop) {
99 				u32 tmp[] = { 35, 0x8, 36, 0x8, 37, 0x8 };
100 
101 				path = fdt_path_offset(blob, prop);
102 				prop = fdt_getprop(blob, path, "interrupts", 0);
103 				if (prop)
104 					fdt_setprop(blob, path, "interrupts",
105 						    &tmp, sizeof(tmp));
106 			}
107 #endif
108 		}
109 	}
110 #endif
111 #endif
112 
113 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
114 		"timebase-frequency", (bd->bi_busfreq / 4), 1);
115 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
116 		"bus-frequency", bd->bi_busfreq, 1);
117 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
118 		"clock-frequency", gd->core_clk, 1);
119 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
120 		"bus-frequency", bd->bi_busfreq, 1);
121 	do_fixup_by_compat_u32(blob, "fsl,soc",
122 		"bus-frequency", bd->bi_busfreq, 1);
123 	do_fixup_by_compat_u32(blob, "fsl,soc",
124 		"clock-frequency", bd->bi_busfreq, 1);
125 	do_fixup_by_compat_u32(blob, "fsl,immr",
126 		"bus-frequency", bd->bi_busfreq, 1);
127 	do_fixup_by_compat_u32(blob, "fsl,immr",
128 		"clock-frequency", bd->bi_busfreq, 1);
129 #ifdef CONFIG_QE
130 	ft_qe_setup(blob);
131 #endif
132 
133 #ifdef CONFIG_SYS_NS16550
134 	do_fixup_by_compat_u32(blob, "ns16550",
135 		"clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
136 #endif
137 
138 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
139 
140 #if defined(CONFIG_BOOTCOUNT_LIMIT)
141 	fdt_fixup_muram (blob);
142 #endif
143 }
144