blob: d320e0b5f0d898b1d11094d2eea2270e7b6a8629 [file] [log] [blame]
Stefan Roeseae691e52009-01-21 17:24:49 +01001/*
2 * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
3 *
4 * Copyright (C) 2006 Micronas GmbH
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19 * MA 02111-1307 USA
20 */
21
22#include <common.h>
23#include <command.h>
24#include <asm/mipsregs.h>
25#include "vct.h"
26
27#if defined(CONFIG_VCT_PREMIUM)
28#define BOARD_NAME "PremiumD"
29#elif defined(CONFIG_VCT_PLATINUM)
30#define BOARD_NAME "PlatinumD"
31#elif defined(CONFIG_VCT_PLATINUMAVC)
32#define BOARD_NAME "PlatinumAVC"
33#else
34#error "vct: No board variant defined!"
35#endif
36
37#if defined(CONFIG_VCT_ONENAND)
38#define BOARD_NAME_ADD " OneNAND"
39#else
40#define BOARD_NAME_ADD " NOR"
41#endif
42
43int board_early_init_f(void)
44{
45 /*
46 * First initialize the PIN mulitplexing
47 */
48 vct_pin_mux_initialize();
49
50 /*
51 * Init the EBI very early so that FLASH can be accessed
52 */
53 ebi_initialize();
54
55 return 0;
56}
57
58void _machine_restart(void)
59{
60 reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT);
61 reg_write(WDT_TORR(WDT_BASE), 0x00);
62 reg_write(WDT_CR(WDT_BASE), 0x1D);
63
64 /*
65 * Now wait for the watchdog to trigger the reset
66 */
67 udelay(1000000);
68}
69
70/*
71 * SDRAM is already configured by the bootstrap code, only return the
72 * auto-detected size here
73 */
74phys_size_t initdram(int board_type)
75{
76 return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
77 CONFIG_SYS_MBYTES_SDRAM << 20);
78}
79
80int checkboard(void)
81{
82 u32 config0 = read_c0_prid();
83 char *s = getenv("serial#");
84
85 if ((config0 & 0xff0000) == PRID_COMP_LEGACY
86 && (config0 & 0xff00) == PRID_IMP_LX4280) {
87 puts("Board: MDED \n");
88 printf("CPU: LX4280 id: 0x%02x, rev: 0x%02x\n",
89 (config0 >> 8) & 0xFF, config0 & 0xFF);
90 } else if ((config0 & 0xff0000) == PRID_COMP_MIPS
91 && (config0 & 0xff00) == PRID_IMP_VGC) {
92 u32 jedec_id = *((u32 *) 0xBEBC71A0);
93 if ((((jedec_id) >> 12) & 0xFF) == 0x40) {
94 puts("Board: VGCA \n");
95 } else if ((((jedec_id) >> 12) & 0xFF) == 0x48
96 || (((jedec_id) >> 12) & 0xFF) == 0x49) {
97 puts("Board: VGCB \n");
98 }
99 printf("CPU: MIPS 4K id: 0x%02x, rev: 0x%02x\n",
100 (config0 >> 8) & 0xFF, config0 & 0xFF);
101 } else if (config0 == 0x19378) {
102 printf("CPU: MIPS 24K id: 0x%02x, rev: 0x%02x\n",
103 (config0 >> 8) & 0xFF, config0 & 0xFF);
104 } else {
105 printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24,
106 config0);
107 }
108
109 printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD);
110 if (s != NULL) {
111 puts(", serial# ");
112 puts(s);
113 }
114 putc('\n');
115
116 return 0;
117}