xref: /rk3399_rockchip-uboot/arch/powerpc/cpu/mpc8xxx/cpu.c (revision a47a12becf66f02a56da91c161e2edb625e9f20c)
1*a47a12beSStefan Roese /*
2*a47a12beSStefan Roese  * Copyright 2009-2010 Freescale Semiconductor, Inc.
3*a47a12beSStefan Roese  *
4*a47a12beSStefan Roese  * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
5*a47a12beSStefan Roese  * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
6*a47a12beSStefan Roese  * cpu specific common code for 85xx/86xx processors.
7*a47a12beSStefan Roese  * See file CREDITS for list of people who contributed to this
8*a47a12beSStefan Roese  * project.
9*a47a12beSStefan Roese  *
10*a47a12beSStefan Roese  * This program is free software; you can redistribute it and/or
11*a47a12beSStefan Roese  * modify it under the terms of the GNU General Public License as
12*a47a12beSStefan Roese  * published by the Free Software Foundation; either version 2 of
13*a47a12beSStefan Roese  * the License, or (at your option) any later version.
14*a47a12beSStefan Roese  *
15*a47a12beSStefan Roese  * This program is distributed in the hope that it will be useful,
16*a47a12beSStefan Roese  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17*a47a12beSStefan Roese  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18*a47a12beSStefan Roese  * GNU General Public License for more details.
19*a47a12beSStefan Roese  *
20*a47a12beSStefan Roese  * You should have received a copy of the GNU General Public License
21*a47a12beSStefan Roese  * along with this program; if not, write to the Free Software
22*a47a12beSStefan Roese  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23*a47a12beSStefan Roese  * MA 02111-1307 USA
24*a47a12beSStefan Roese  */
25*a47a12beSStefan Roese 
26*a47a12beSStefan Roese #include <config.h>
27*a47a12beSStefan Roese #include <common.h>
28*a47a12beSStefan Roese #include <command.h>
29*a47a12beSStefan Roese #include <tsec.h>
30*a47a12beSStefan Roese #include <netdev.h>
31*a47a12beSStefan Roese #include <asm/cache.h>
32*a47a12beSStefan Roese #include <asm/io.h>
33*a47a12beSStefan Roese 
34*a47a12beSStefan Roese DECLARE_GLOBAL_DATA_PTR;
35*a47a12beSStefan Roese 
36*a47a12beSStefan Roese struct cpu_type cpu_type_list [] = {
37*a47a12beSStefan Roese #if defined(CONFIG_MPC85xx)
38*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8533, 8533, 1),
39*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8533, 8533_E, 1),
40*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8535, 8535, 1),
41*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8535, 8535_E, 1),
42*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8536, 8536, 1),
43*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8536, 8536_E, 1),
44*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8540, 8540, 1),
45*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8541, 8541, 1),
46*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8541, 8541_E, 1),
47*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8543, 8543, 1),
48*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8543, 8543_E, 1),
49*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8544, 8544, 1),
50*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8544, 8544_E, 1),
51*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8545, 8545, 1),
52*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8545, 8545_E, 1),
53*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8547, 8547_E, 1),
54*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8548, 8548, 1),
55*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8548, 8548_E, 1),
56*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8555, 8555, 1),
57*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8555, 8555_E, 1),
58*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8560, 8560, 1),
59*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8567, 8567, 1),
60*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8567, 8567_E, 1),
61*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8568, 8568, 1),
62*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8568, 8568_E, 1),
63*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8569, 8569, 1),
64*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8569, 8569_E, 1),
65*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8572, 8572, 2),
66*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8572, 8572_E, 2),
67*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1011, P1011, 1),
68*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1011, P1011_E, 1),
69*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1012, P1012, 1),
70*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1012, P1012_E, 1),
71*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1013, P1013, 1),
72*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1013, P1013_E, 1),
73*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1020, P1020, 2),
74*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1020, P1020_E, 2),
75*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1021, P1021, 2),
76*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1021, P1021_E, 2),
77*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1022, P1022, 2),
78*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P1022, P1022_E, 2),
79*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P2010, P2010, 1),
80*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P2010, P2010_E, 1),
81*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P2020, P2020, 2),
82*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P2020, P2020_E, 2),
83*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P4040, P4040, 4),
84*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P4040, P4040_E, 4),
85*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P4080, P4080, 8),
86*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(P4080, P4080_E, 8),
87*a47a12beSStefan Roese #elif defined(CONFIG_MPC86xx)
88*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8610, 8610, 1),
89*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8641, 8641, 2),
90*a47a12beSStefan Roese 	CPU_TYPE_ENTRY(8641D, 8641D, 2),
91*a47a12beSStefan Roese #endif
92*a47a12beSStefan Roese };
93*a47a12beSStefan Roese 
94*a47a12beSStefan Roese struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 1);
95*a47a12beSStefan Roese 
96*a47a12beSStefan Roese struct cpu_type *identify_cpu(u32 ver)
97*a47a12beSStefan Roese {
98*a47a12beSStefan Roese 	int i;
99*a47a12beSStefan Roese 	for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++) {
100*a47a12beSStefan Roese 		if (cpu_type_list[i].soc_ver == ver)
101*a47a12beSStefan Roese 			return &cpu_type_list[i];
102*a47a12beSStefan Roese 	}
103*a47a12beSStefan Roese 	return &cpu_type_unknown;
104*a47a12beSStefan Roese }
105*a47a12beSStefan Roese 
106*a47a12beSStefan Roese int cpu_numcores() {
107*a47a12beSStefan Roese 	struct cpu_type *cpu;
108*a47a12beSStefan Roese 	cpu = gd->cpu;
109*a47a12beSStefan Roese 	return cpu->num_cores;
110*a47a12beSStefan Roese }
111*a47a12beSStefan Roese 
112*a47a12beSStefan Roese int probecpu (void)
113*a47a12beSStefan Roese {
114*a47a12beSStefan Roese 	uint svr;
115*a47a12beSStefan Roese 	uint ver;
116*a47a12beSStefan Roese 
117*a47a12beSStefan Roese 	svr = get_svr();
118*a47a12beSStefan Roese 	ver = SVR_SOC_VER(svr);
119*a47a12beSStefan Roese 
120*a47a12beSStefan Roese 	gd->cpu = identify_cpu(ver);
121*a47a12beSStefan Roese 
122*a47a12beSStefan Roese 	return 0;
123*a47a12beSStefan Roese }
124*a47a12beSStefan Roese 
125*a47a12beSStefan Roese /*
126*a47a12beSStefan Roese  * Initializes on-chip ethernet controllers.
127*a47a12beSStefan Roese  * to override, implement board_eth_init()
128*a47a12beSStefan Roese  */
129*a47a12beSStefan Roese int cpu_eth_init(bd_t *bis)
130*a47a12beSStefan Roese {
131*a47a12beSStefan Roese #if defined(CONFIG_ETHER_ON_FCC)
132*a47a12beSStefan Roese 	fec_initialize(bis);
133*a47a12beSStefan Roese #endif
134*a47a12beSStefan Roese 
135*a47a12beSStefan Roese #if defined(CONFIG_UEC_ETH)
136*a47a12beSStefan Roese 	uec_standard_init(bis);
137*a47a12beSStefan Roese #endif
138*a47a12beSStefan Roese 
139*a47a12beSStefan Roese #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_MPC85XX_FEC)
140*a47a12beSStefan Roese 	tsec_standard_init(bis);
141*a47a12beSStefan Roese #endif
142*a47a12beSStefan Roese 
143*a47a12beSStefan Roese 	return 0;
144*a47a12beSStefan Roese }
145