MINI2440: Auto probe for SDRAM size
[u-boot-openmoko/mini2440.git] / board / pn62 / pn62.c
blobb2f348d4d6d5b24d101d831a1f279c0a34bb5c22
1 /*
2 * (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de>
4 * See file CREDITS for list of people who contributed to this
5 * project.
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
23 #include <common.h>
24 #include <mpc824x.h>
25 #include <pci.h>
27 #include "pn62.h"
29 DECLARE_GLOBAL_DATA_PTR;
31 static int get_serial_number (char *string, int size);
32 static int get_mac_address (int id, u8 * mac, char *string, int size);
34 #ifdef CONFIG_SHOW_BOOT_PROGRESS
35 void show_boot_progress (int phase)
38 * Show phases of the bootm command on the front panel
39 * LEDs and the scratchpad register #3 as well. We use
40 * blinking LEDs for logical "1".
42 if (phase > 0) {
43 set_led (8, (phase & 0x1) ? LED_SLOW_CLOCK : LED_0);
44 set_led (9, (phase & 0x2) ? LED_SLOW_CLOCK : LED_0);
45 set_led (10, (phase & 0x4) ? LED_SLOW_CLOCK : LED_0);
46 set_led (11, (phase & 0x8) ? LED_SLOW_CLOCK : LED_0);
48 i2155x_write_scrapad (BOOT_STATUS, phase);
49 if (phase < 0)
50 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
52 #endif
54 void show_startup_phase (int phase)
57 * Show the phase of U-Boot startup on the front panel
58 * LEDs and the scratchpad register #3 as well.
60 if (phase > 0) {
61 set_led (8, (phase & 0x1) ? LED_1 : LED_0);
62 set_led (9, (phase & 0x2) ? LED_1 : LED_0);
63 set_led (10, (phase & 0x4) ? LED_1 : LED_0);
64 set_led (11, (phase & 0x8) ? LED_1 : LED_0);
66 i2155x_write_scrapad (BOOT_STATUS, phase);
67 if (phase < 0)
68 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
71 int checkboard (void)
73 show_startup_phase (1);
74 puts ("Board: PN62\n");
75 return 0;
78 long int initdram (int board_type)
80 long size;
81 long new_bank0_end;
82 long mear1;
83 long emear1;
85 show_startup_phase (2);
87 size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
89 new_bank0_end = size - 1;
90 mear1 = mpc824x_mpc107_getreg (MEAR1);
91 emear1 = mpc824x_mpc107_getreg (EMEAR1);
92 mear1 = (mear1 & 0xFFFFFF00) |
93 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
94 emear1 = (emear1 & 0xFFFFFF00) |
95 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
96 mpc824x_mpc107_setreg (MEAR1, mear1);
97 mpc824x_mpc107_setreg (EMEAR1, emear1);
99 return (size);
103 * Initialize PCI Devices. We rely on auto-configuration.
105 #ifndef CONFIG_PCI_PNP
106 #error "CONFIG_PCI_PNP is not defined, please correct!"
107 #endif
109 struct pci_controller hose = {
112 void pci_init_board (void)
114 show_startup_phase (4);
115 pci_mpc824x_init (&hose);
117 show_startup_phase (5);
118 i2155x_init ();
119 show_startup_phase (6);
120 am79c95x_init ();
121 show_startup_phase (7);
124 int misc_init_r (void)
126 char str[20];
127 u8 mac[6];
129 show_startup_phase (8);
131 * Get serial number and ethernet addresses if not already defined
132 * and update the board info structure and the environment.
134 if (getenv ("serial#") == NULL &&
135 get_serial_number (str, strlen (str)) > 0) {
136 setenv ("serial#", str);
138 show_startup_phase (9);
140 if (getenv ("ethaddr") == NULL &&
141 get_mac_address (0, mac, str, sizeof (str)) > 0) {
142 setenv ("ethaddr", str);
143 memcpy (gd->bd->bi_enetaddr, mac, 6);
145 show_startup_phase (10);
147 #ifdef CONFIG_HAS_ETH1
148 if (getenv ("eth1addr") == NULL &&
149 get_mac_address (1, mac, str, sizeof (str)) > 0) {
150 setenv ("eth1addr", str);
151 memcpy (gd->bd->bi_enet1addr, mac, 6);
153 #endif /* CONFIG_HAS_ETH1 */
154 show_startup_phase (11);
156 /* Tell everybody that U-Boot is up and runnig */
157 i2155x_write_scrapad (0, 0x12345678);
158 return (0);
161 static int get_serial_number (char *string, int size)
163 int i;
164 char c;
166 if (size < I2155X_VPD_SN_SIZE)
167 size = I2155X_VPD_SN_SIZE;
168 for (i = 0; i < (size - 1); i++) {
169 i2155x_read_vpd (I2155X_VPD_SN_START + i, 1, (uchar *)&c);
170 if (c == '\0')
171 break;
172 string[i] = c;
174 string[i] = '\0'; /* make sure it's terminated */
176 return i;
179 static int get_mac_address (int id, u8 * mac, char *string, int size)
181 if (size < 6 * 3)
182 return -1;
184 i2155x_read_vpd (I2155X_VPD_MAC0_START + 6 * id, 6, mac);
185 return sprintf (string, "%02x:%02x:%02x:%02x:%02x:%02x",
186 mac[0], mac[1], mac[2],
187 mac[3], mac[4], mac[5]);