xref: /openbmc/u-boot/arch/powerpc/cpu/mpc8xxx/cpu.c (revision 8c6407fc)
1 /*
2  * Copyright 2009-2011 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(P1010, P1010, 1),
68 	CPU_TYPE_ENTRY(P1010, P1010_E, 1),
69 	CPU_TYPE_ENTRY(P1011, P1011, 1),
70 	CPU_TYPE_ENTRY(P1011, P1011_E, 1),
71 	CPU_TYPE_ENTRY(P1012, P1012, 1),
72 	CPU_TYPE_ENTRY(P1012, P1012_E, 1),
73 	CPU_TYPE_ENTRY(P1013, P1013, 1),
74 	CPU_TYPE_ENTRY(P1013, P1013_E, 1),
75 	CPU_TYPE_ENTRY(P1014, P1014_E, 1),
76 	CPU_TYPE_ENTRY(P1014, P1014, 1),
77 	CPU_TYPE_ENTRY(P1015, P1015_E, 1),
78 	CPU_TYPE_ENTRY(P1015, P1015, 1),
79 	CPU_TYPE_ENTRY(P1016, P1016_E, 1),
80 	CPU_TYPE_ENTRY(P1016, P1016, 1),
81 	CPU_TYPE_ENTRY(P1017, P1017, 1),
82 	CPU_TYPE_ENTRY(P1017, P1017, 1),
83 	CPU_TYPE_ENTRY(P1020, P1020, 2),
84 	CPU_TYPE_ENTRY(P1020, P1020_E, 2),
85 	CPU_TYPE_ENTRY(P1021, P1021, 2),
86 	CPU_TYPE_ENTRY(P1021, P1021_E, 2),
87 	CPU_TYPE_ENTRY(P1022, P1022, 2),
88 	CPU_TYPE_ENTRY(P1022, P1022_E, 2),
89 	CPU_TYPE_ENTRY(P1023, P1023, 2),
90 	CPU_TYPE_ENTRY(P1023, P1023_E, 2),
91 	CPU_TYPE_ENTRY(P1024, P1024, 2),
92 	CPU_TYPE_ENTRY(P1024, P1024_E, 2),
93 	CPU_TYPE_ENTRY(P1025, P1025, 2),
94 	CPU_TYPE_ENTRY(P1025, P1025_E, 2),
95 	CPU_TYPE_ENTRY(P2010, P2010, 1),
96 	CPU_TYPE_ENTRY(P2010, P2010_E, 1),
97 	CPU_TYPE_ENTRY(P2020, P2020, 2),
98 	CPU_TYPE_ENTRY(P2020, P2020_E, 2),
99 	CPU_TYPE_ENTRY(P2040, P2040, 4),
100 	CPU_TYPE_ENTRY(P2040, P2040_E, 4),
101 	CPU_TYPE_ENTRY(P3041, P3041, 4),
102 	CPU_TYPE_ENTRY(P3041, P3041_E, 4),
103 	CPU_TYPE_ENTRY(P4040, P4040, 4),
104 	CPU_TYPE_ENTRY(P4040, P4040_E, 4),
105 	CPU_TYPE_ENTRY(P4080, P4080, 8),
106 	CPU_TYPE_ENTRY(P4080, P4080_E, 8),
107 	CPU_TYPE_ENTRY(P5010, P5010, 1),
108 	CPU_TYPE_ENTRY(P5010, P5010_E, 1),
109 	CPU_TYPE_ENTRY(P5020, P5020, 2),
110 	CPU_TYPE_ENTRY(P5020, P5020_E, 2),
111 #elif defined(CONFIG_MPC86xx)
112 	CPU_TYPE_ENTRY(8610, 8610, 1),
113 	CPU_TYPE_ENTRY(8641, 8641, 2),
114 	CPU_TYPE_ENTRY(8641D, 8641D, 2),
115 #endif
116 };
117 
118 struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 1);
119 
120 struct cpu_type *identify_cpu(u32 ver)
121 {
122 	int i;
123 	for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++) {
124 		if (cpu_type_list[i].soc_ver == ver)
125 			return &cpu_type_list[i];
126 	}
127 	return &cpu_type_unknown;
128 }
129 
130 int cpu_numcores() {
131 	ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR;
132 	struct cpu_type *cpu = gd->cpu;
133 
134 	/* better to query feature reporting register than just assume 1 */
135 #define MPC8xxx_PICFRR_NCPU_MASK 0x00001f00
136 #define MPC8xxx_PICFRR_NCPU_SHIFT 8
137 	if (cpu == &cpu_type_unknown)
138 		return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >>
139 			MPC8xxx_PICFRR_NCPU_SHIFT) + 1;
140 
141 	return cpu->num_cores;
142 }
143 
144 int probecpu (void)
145 {
146 	uint svr;
147 	uint ver;
148 
149 	svr = get_svr();
150 	ver = SVR_SOC_VER(svr);
151 
152 	gd->cpu = identify_cpu(ver);
153 
154 	return 0;
155 }
156 
157 /*
158  * Initializes on-chip ethernet controllers.
159  * to override, implement board_eth_init()
160  */
161 int cpu_eth_init(bd_t *bis)
162 {
163 #if defined(CONFIG_ETHER_ON_FCC)
164 	fec_initialize(bis);
165 #endif
166 
167 #if defined(CONFIG_UEC_ETH)
168 	uec_standard_init(bis);
169 #endif
170 
171 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_MPC85XX_FEC)
172 	tsec_standard_init(bis);
173 #endif
174 
175 	return 0;
176 }
177