xref: /openbmc/u-boot/arch/powerpc/cpu/mpc8xxx/cpu.c (revision 6bb46790)
1 /*
2  * Copyright 2009-2010 Freescale Semiconductor, Inc.
3  *
4  * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
5  * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
6  * cpu specific common code for 85xx/86xx processors.
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 <config.h>
27 #include <common.h>
28 #include <command.h>
29 #include <tsec.h>
30 #include <netdev.h>
31 #include <asm/cache.h>
32 #include <asm/io.h>
33 
34 DECLARE_GLOBAL_DATA_PTR;
35 
36 struct cpu_type cpu_type_list [] = {
37 #if defined(CONFIG_MPC85xx)
38 	CPU_TYPE_ENTRY(8533, 8533, 1),
39 	CPU_TYPE_ENTRY(8533, 8533_E, 1),
40 	CPU_TYPE_ENTRY(8535, 8535, 1),
41 	CPU_TYPE_ENTRY(8535, 8535_E, 1),
42 	CPU_TYPE_ENTRY(8536, 8536, 1),
43 	CPU_TYPE_ENTRY(8536, 8536_E, 1),
44 	CPU_TYPE_ENTRY(8540, 8540, 1),
45 	CPU_TYPE_ENTRY(8541, 8541, 1),
46 	CPU_TYPE_ENTRY(8541, 8541_E, 1),
47 	CPU_TYPE_ENTRY(8543, 8543, 1),
48 	CPU_TYPE_ENTRY(8543, 8543_E, 1),
49 	CPU_TYPE_ENTRY(8544, 8544, 1),
50 	CPU_TYPE_ENTRY(8544, 8544_E, 1),
51 	CPU_TYPE_ENTRY(8545, 8545, 1),
52 	CPU_TYPE_ENTRY(8545, 8545_E, 1),
53 	CPU_TYPE_ENTRY(8547, 8547_E, 1),
54 	CPU_TYPE_ENTRY(8548, 8548, 1),
55 	CPU_TYPE_ENTRY(8548, 8548_E, 1),
56 	CPU_TYPE_ENTRY(8555, 8555, 1),
57 	CPU_TYPE_ENTRY(8555, 8555_E, 1),
58 	CPU_TYPE_ENTRY(8560, 8560, 1),
59 	CPU_TYPE_ENTRY(8567, 8567, 1),
60 	CPU_TYPE_ENTRY(8567, 8567_E, 1),
61 	CPU_TYPE_ENTRY(8568, 8568, 1),
62 	CPU_TYPE_ENTRY(8568, 8568_E, 1),
63 	CPU_TYPE_ENTRY(8569, 8569, 1),
64 	CPU_TYPE_ENTRY(8569, 8569_E, 1),
65 	CPU_TYPE_ENTRY(8572, 8572, 2),
66 	CPU_TYPE_ENTRY(8572, 8572_E, 2),
67 	CPU_TYPE_ENTRY(P1011, P1011, 1),
68 	CPU_TYPE_ENTRY(P1011, P1011_E, 1),
69 	CPU_TYPE_ENTRY(P1012, P1012, 1),
70 	CPU_TYPE_ENTRY(P1012, P1012_E, 1),
71 	CPU_TYPE_ENTRY(P1013, P1013, 1),
72 	CPU_TYPE_ENTRY(P1013, P1013_E, 1),
73 	CPU_TYPE_ENTRY(P1020, P1020, 2),
74 	CPU_TYPE_ENTRY(P1020, P1020_E, 2),
75 	CPU_TYPE_ENTRY(P1021, P1021, 2),
76 	CPU_TYPE_ENTRY(P1021, P1021_E, 2),
77 	CPU_TYPE_ENTRY(P1022, P1022, 2),
78 	CPU_TYPE_ENTRY(P1022, P1022_E, 2),
79 	CPU_TYPE_ENTRY(P2010, P2010, 1),
80 	CPU_TYPE_ENTRY(P2010, P2010_E, 1),
81 	CPU_TYPE_ENTRY(P2020, P2020, 2),
82 	CPU_TYPE_ENTRY(P2020, P2020_E, 2),
83 	CPU_TYPE_ENTRY(P4040, P4040, 4),
84 	CPU_TYPE_ENTRY(P4040, P4040_E, 4),
85 	CPU_TYPE_ENTRY(P4080, P4080, 8),
86 	CPU_TYPE_ENTRY(P4080, P4080_E, 8),
87 #elif defined(CONFIG_MPC86xx)
88 	CPU_TYPE_ENTRY(8610, 8610, 1),
89 	CPU_TYPE_ENTRY(8641, 8641, 2),
90 	CPU_TYPE_ENTRY(8641D, 8641D, 2),
91 #endif
92 };
93 
94 struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 1);
95 
96 struct cpu_type *identify_cpu(u32 ver)
97 {
98 	int i;
99 	for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++) {
100 		if (cpu_type_list[i].soc_ver == ver)
101 			return &cpu_type_list[i];
102 	}
103 	return &cpu_type_unknown;
104 }
105 
106 int cpu_numcores() {
107 	struct cpu_type *cpu;
108 	cpu = gd->cpu;
109 	return cpu->num_cores;
110 }
111 
112 int probecpu (void)
113 {
114 	uint svr;
115 	uint ver;
116 
117 	svr = get_svr();
118 	ver = SVR_SOC_VER(svr);
119 
120 	gd->cpu = identify_cpu(ver);
121 
122 	return 0;
123 }
124 
125 /*
126  * Initializes on-chip ethernet controllers.
127  * to override, implement board_eth_init()
128  */
129 int cpu_eth_init(bd_t *bis)
130 {
131 #if defined(CONFIG_ETHER_ON_FCC)
132 	fec_initialize(bis);
133 #endif
134 
135 #if defined(CONFIG_UEC_ETH)
136 	uec_standard_init(bis);
137 #endif
138 
139 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_MPC85XX_FEC)
140 	tsec_standard_init(bis);
141 #endif
142 
143 	return 0;
144 }
145