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wdenkc6097192002-11-03 00:24:07 +00001/*
2 * (C) Copyright 2000
3 * Rob Taylor, Flying Pig Systems. robt@flyingpig.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 <mpc824x.h>
26#include <pci.h>
27#include <i2c.h>
28
Wolfgang Denkd87080b2006-03-31 18:32:53 +020029DECLARE_GLOBAL_DATA_PTR;
30
wdenkc6097192002-11-03 00:24:07 +000031int checkboard (void)
32{
33 puts ( "Board: OXC8240\n" );
34 return 0;
35}
36
Becky Bruce9973e3c2008-06-09 16:03:40 -050037phys_size_t initdram (int board_type)
wdenkc6097192002-11-03 00:24:07 +000038{
39#ifndef CFG_RAMBOOT
wdenkc83bf6a2004-01-06 22:38:14 +000040 long size;
41 long new_bank0_end;
42 long mear1;
43 long emear1;
wdenkc6097192002-11-03 00:24:07 +000044
wdenkc83bf6a2004-01-06 22:38:14 +000045 size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
wdenkc6097192002-11-03 00:24:07 +000046
wdenkc83bf6a2004-01-06 22:38:14 +000047 new_bank0_end = size - 1;
48 mear1 = mpc824x_mpc107_getreg(MEAR1);
49 emear1 = mpc824x_mpc107_getreg(EMEAR1);
50 mear1 = (mear1 & 0xFFFFFF00) |
51 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
52 emear1 = (emear1 & 0xFFFFFF00) |
53 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
54 mpc824x_mpc107_setreg(MEAR1, mear1);
55 mpc824x_mpc107_setreg(EMEAR1, emear1);
wdenkc6097192002-11-03 00:24:07 +000056
wdenkc83bf6a2004-01-06 22:38:14 +000057 return (size);
wdenkc6097192002-11-03 00:24:07 +000058#else
59 /* if U-Boot starts from RAM, then suppose we have 16Mb of RAM */
60 return (16 << 20);
61#endif
62}
63
64/*
65 * Initialize PCI Devices, report devices found.
66 */
67#ifndef CONFIG_PCI_PNP
68static struct pci_config_table pci_oxc_config_table[] = {
69 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x14, PCI_ANY_ID,
70 pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
71 PCI_ENET0_MEMADDR,
72 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
73 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x15, PCI_ANY_ID,
74 pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
75 PCI_ENET1_MEMADDR,
76 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
77 { }
78};
79#endif
80
81static struct pci_controller hose = {
82#ifndef CONFIG_PCI_PNP
83 config_table: pci_oxc_config_table,
84#endif
85};
86
stroesead10dd92003-02-14 11:21:23 +000087void pci_init_board (void)
wdenkc6097192002-11-03 00:24:07 +000088{
89 pci_mpc824x_init(&hose);
90}
91
wdenkc837dcb2004-01-20 23:12:12 +000092int board_early_init_f (void)
wdenkc6097192002-11-03 00:24:07 +000093{
94 *(volatile unsigned char *)(CFG_CPLD_RESET) = 0x89;
95 return 0;
96}
97
98#ifdef CONFIG_WATCHDOG
99void oxc_wdt_reset(void)
100{
101 *(volatile unsigned char *)(CFG_CPLD_WATCHDOG) = 0xff;
102}
103
104void watchdog_reset(void)
105{
106 int re_enable = disable_interrupts();
107
108 oxc_wdt_reset();
109 if (re_enable)
110 enable_interrupts();
111}
112#endif
113
114static int oxc_get_expander(unsigned char addr, unsigned char * val)
115{
116 return i2c_read(addr, 0, 0, val, 1);
117}
118
119static int oxc_set_expander(unsigned char addr, unsigned char val)
120{
121 return i2c_write(addr, 0, 0, &val, 1);
122}
123
124static int expander0alive = 0;
125
126#ifdef CONFIG_SHOW_ACTIVITY
127static int ledtoggle = 0;
128static int ledstatus = 1;
129
130void oxc_toggle_activeled(void)
131{
132 ledtoggle++;
133}
134
wdenka8c7c702003-12-06 19:49:23 +0000135void board_show_activity (ulong timestamp)
136{
137 if ((timestamp % (CFG_HZ / 10)) == 0)
138 oxc_toggle_activeled ();
139}
140
wdenkc6097192002-11-03 00:24:07 +0000141void show_activity(int arg)
142{
143 static unsigned char led = 0;
144 unsigned char val;
145
146 if (!expander0alive) return;
147
148 if ((ledtoggle > (2 * arg)) && ledstatus) {
149 led ^= 0x80;
150 oxc_get_expander(CFG_I2C_EXPANDER0_ADDR, &val);
151 udelay(200);
152 oxc_set_expander(CFG_I2C_EXPANDER0_ADDR, (val & 0x7F) | led);
153 ledtoggle = 0;
154 }
155}
156#endif
157
158#ifdef CONFIG_SHOW_BOOT_PROGRESS
159void show_boot_progress(int arg)
160{
161 unsigned char val;
162
163 if (!expander0alive) return;
164
165 if (arg > 0 && ledstatus) {
166 ledstatus = 0;
167 oxc_get_expander(CFG_I2C_EXPANDER0_ADDR, &val);
168 udelay(200);
169 oxc_set_expander(CFG_I2C_EXPANDER0_ADDR, val | 0x80);
170 } else if (arg < 0) {
171 oxc_get_expander(CFG_I2C_EXPANDER0_ADDR, &val);
172 udelay(200);
173 oxc_set_expander(CFG_I2C_EXPANDER0_ADDR, val & 0x7F);
174 ledstatus = 1;
175 }
176}
177#endif
178
179int misc_init_r (void)
180{
181 /* check whether the i2c expander #0 is accessible */
182 if (!oxc_set_expander(CFG_I2C_EXPANDER0_ADDR, 0x7F)) {
183 udelay(200);
184 expander0alive = 1;
185 }
186
187#ifdef CFG_OXC_GENERATE_IP
188 {
wdenkc6097192002-11-03 00:24:07 +0000189 char str[32];
190 unsigned long ip = CFG_OXC_IPMASK;
191 bd_t *bd = gd->bd;
192
193 if (expander0alive) {
194 unsigned char val;
195
196 if (!oxc_get_expander(CFG_I2C_EXPANDER0_ADDR, &val)) {
197 ip = (ip & 0xffffff00) | ((val & 0x7c) >> 2);
198 }
199 }
200
201 if ((ip & 0xff) < 3) {
202 /* if fail, set x.x.x.254 */
203 ip = (ip & 0xffffff00) | 0xfe;
204 }
205
206 bd->bi_ip_addr = ip;
207 sprintf(str, "%ld.%ld.%ld.%ld",
208 (bd->bi_ip_addr & 0xff000000) >> 24,
209 (bd->bi_ip_addr & 0x00ff0000) >> 16,
210 (bd->bi_ip_addr & 0x0000ff00) >> 8,
211 (bd->bi_ip_addr & 0x000000ff));
212 setenv("ipaddr", str);
213 printf("ip: %s\n", str);
214 }
215#endif
216 return (0);
217}