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wdenk153d5112002-08-30 11:07:04 +00001/*
2 * (C) Copyright 2000, 2001
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include "du405.h"
26#include <asm/processor.h>
27#include <ppc4xx.h>
Stefan Roese79b2d0b2007-02-20 10:27:08 +010028#include <4xx_i2c.h>
wdenk153d5112002-08-30 11:07:04 +000029#include <command.h>
wdenk8bde7f72003-06-27 21:31:46 +000030
Wolfgang Denkd87080b2006-03-31 18:32:53 +020031DECLARE_GLOBAL_DATA_PTR;
32
wdenk8bde7f72003-06-27 21:31:46 +000033/*cmd_boot.c*/
34
35extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
stroeseab379df2004-12-16 18:36:28 +000036extern void lxt971_no_sleep(void);
wdenk153d5112002-08-30 11:07:04 +000037
wdenk153d5112002-08-30 11:07:04 +000038
39#if 0
40#define FPGA_DEBUG
41#endif
42
43#if 0
44#define FPGA_DEBUG2
45#endif
46
47/* fpga configuration data - generated by bin2cc */
48const unsigned char fpgadata[] = {
49#include "fpgadata.c"
50};
51
52/*
53 * include common fpga code (for esd boards)
54 */
55#include "../common/fpga.c"
56
57
wdenkc837dcb2004-01-20 23:12:12 +000058int board_early_init_f (void)
wdenk153d5112002-08-30 11:07:04 +000059{
wdenk153d5112002-08-30 11:07:04 +000060 int index, len, i;
61 int status;
62
63#ifdef FPGA_DEBUG
64 /* set up serial port with default baudrate */
65 (void) get_clocks ();
66 gd->baudrate = CONFIG_BAUDRATE;
67 serial_init ();
68 console_init_f ();
69#endif
70
71 /*
72 * Boot onboard FPGA
73 */
74 status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
75 if (status != 0) {
76 /* booting FPGA failed */
77#ifndef FPGA_DEBUG
78 /* set up serial port with default baudrate */
79 (void) get_clocks ();
80 gd->baudrate = CONFIG_BAUDRATE;
81 serial_init ();
82 console_init_f ();
83#endif
84 printf ("\nFPGA: Booting failed ");
85 switch (status) {
86 case ERROR_FPGA_PRG_INIT_LOW:
87 printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");
88 break;
89 case ERROR_FPGA_PRG_INIT_HIGH:
90 printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
91 break;
92 case ERROR_FPGA_PRG_DONE:
93 printf ("(Timeout: DONE not high after programming FPGA)\n ");
94 break;
95 }
96
97 /* display infos on fpgaimage */
98 index = 15;
99 for (i = 0; i < 4; i++) {
100 len = fpgadata[index];
101 printf ("FPGA: %s\n", &(fpgadata[index + 1]));
102 index += len + 3;
103 }
104 putc ('\n');
105 /* delayed reboot */
106 for (i = 20; i > 0; i--) {
107 printf ("Rebooting in %2d seconds \r", i);
108 for (index = 0; index < 1000; index++)
109 udelay (1000);
110 }
111 putc ('\n');
112 do_reset (NULL, 0, 0, NULL);
113 }
114
115 /*
116 * IRQ 0-15 405GP internally generated; active high; level sensitive
117 * IRQ 16 405GP internally generated; active low; level sensitive
118 * IRQ 17-24 RESERVED
119 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
120 * IRQ 26 (EXT IRQ 1) DUART_A; active high; level sensitive
121 * IRQ 27 (EXT IRQ 2) DUART_B; active high; level sensitive
122 * IRQ 28 (EXT IRQ 3) unused; active low; level sensitive
123 * IRQ 29 (EXT IRQ 4) unused; active low; level sensitive
124 * IRQ 30 (EXT IRQ 5) unused; active low; level sensitive
125 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
126 */
127 mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
128 mtdcr (uicer, 0x00000000); /* disable all ints */
129 mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
130 mtdcr (uicpr, 0xFFFFFFB1); /* set int polarities */
131 mtdcr (uictr, 0x10000000); /* set int trigger levels */
132 mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
133 mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
134
135 /*
136 * EBC Configuration Register: set ready timeout to 100 us
137 */
Stefan Roese297a6582009-09-09 16:25:29 +0200138 mtebc (EBC0_CFG, 0xb8400000);
wdenk153d5112002-08-30 11:07:04 +0000139
140 return 0;
141}
142
143
Stefan Roese82f4c6a2005-08-12 16:52:47 +0200144int misc_init_r (void)
145{
Stefan Roese297a6582009-09-09 16:25:29 +0200146 unsigned long CPC0_CR0Reg;
Stefan Roese82f4c6a2005-08-12 16:52:47 +0200147
148 /*
149 * Setup UART1 handshaking: use CTS instead of DSR
150 */
Stefan Roese297a6582009-09-09 16:25:29 +0200151 CPC0_CR0Reg = mfdcr(CPC0_CR0);
152 mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00001000);
Stefan Roese82f4c6a2005-08-12 16:52:47 +0200153
154 return (0);
155}
156
157
wdenk153d5112002-08-30 11:07:04 +0000158/*
159 * Check Board Identity:
160 */
wdenk153d5112002-08-30 11:07:04 +0000161int checkboard (void)
162{
163 int index;
164 int len;
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200165 char str[64];
wdenk153d5112002-08-30 11:07:04 +0000166 int i = getenv_r ("serial#", str, sizeof (str));
167
168 puts ("Board: ");
169
170 if (i == -1) {
171 puts ("### No HW ID - assuming DU405");
172 } else {
173 puts (str);
174 }
175
176 puts ("\nFPGA: ");
177
178 /* display infos on fpgaimage */
179 index = 15;
180 for (i = 0; i < 4; i++) {
181 len = fpgadata[index];
182 printf ("%s ", &(fpgadata[index + 1]));
183 index += len + 3;
184 }
185
186 putc ('\n');
187
188 /*
189 * Reset external DUART via FPGA
190 */
Matthias Fuchsbb57ad42009-02-20 10:19:19 +0100191 out_8((void *)FPGA_MODE_REG, 0xff); /* reset high active */
192 out_8((void *)FPGA_MODE_REG, 0x00); /* low again */
wdenk153d5112002-08-30 11:07:04 +0000193
Matthias Fuchs09db8f42009-02-20 10:19:15 +0100194 return 0;
195}
196
197void reset_phy(void)
198{
199#if defined(CONFIG_LXT971_NO_SLEEP)
200
stroeseab379df2004-12-16 18:36:28 +0000201 /*
202 * Disable sleep mode in LXT971
203 */
204 lxt971_no_sleep();
Matthias Fuchs09db8f42009-02-20 10:19:15 +0100205#endif
wdenk153d5112002-08-30 11:07:04 +0000206}