board/pn62/pn62.c

   1 /*
   2  * (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de>
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   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.
  11  *
  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.
  16  *
  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
  21  */
  22
  23 #include <common.h>
  24 #include <mpc824x.h>
  25 #include <pci.h>
  26
  27 #include "pn62.h"
  28
  29
  30 static int get_serial_number (char *string, int size);
  31 static int get_mac_address (int id, u8 * mac, char *string, int size);
  32
  33 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  34 void show_boot_progress (int phase)
  35 {
  36         /*
  37          * Show phases of the bootm command on the front panel
  38          * LEDs and the scratchpad register #3 as well. We use
  39          * blinking LEDs for logical "1".
  40          */
  41         if (phase > 0) {
  42                 set_led (8, (phase & 0x1) ? LED_SLOW_CLOCK : LED_0);
  43                 set_led (9, (phase & 0x2) ? LED_SLOW_CLOCK : LED_0);
  44                 set_led (10, (phase & 0x4) ? LED_SLOW_CLOCK : LED_0);
  45                 set_led (11, (phase & 0x8) ? LED_SLOW_CLOCK : LED_0);
  46         }
  47         i2155x_write_scrapad (BOOT_STATUS, phase);
  48         if (phase < 0)
  49                 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
  50 }
  51 #endif
  52
  53 void show_startup_phase (int phase)
  54 {
  55         /*
  56          * Show the phase of U-Boot startup on the front panel
  57          * LEDs and the scratchpad register #3 as well.
  58          */
  59         if (phase > 0) {
  60                 set_led (8, (phase & 0x1) ? LED_1 : LED_0);
  61                 set_led (9, (phase & 0x2) ? LED_1 : LED_0);
  62                 set_led (10, (phase & 0x4) ? LED_1 : LED_0);
  63                 set_led (11, (phase & 0x8) ? LED_1 : LED_0);
  64         }
  65         i2155x_write_scrapad (BOOT_STATUS, phase);
  66         if (phase < 0)
  67                 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
  68 }
  69
  70 int checkboard (void)
  71 {
  72         show_startup_phase (1);
  73         puts ("Board: PN62\n");
  74         return 0;
  75 }
  76
  77 long int initdram (int board_type)
  78 {
  79         long size;
  80         long new_bank0_end;
  81         long mear1;
  82         long emear1;
  83
  84         show_startup_phase (2);
  85
  86         size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
  87
  88         new_bank0_end = size - 1;
  89         mear1 = mpc824x_mpc107_getreg (MEAR1);
  90         emear1 = mpc824x_mpc107_getreg (EMEAR1);
  91         mear1 = (mear1 & 0xFFFFFF00) |
  92                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
  93         emear1 = (emear1 & 0xFFFFFF00) |
  94                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
  95         mpc824x_mpc107_setreg (MEAR1, mear1);
  96         mpc824x_mpc107_setreg (EMEAR1, emear1);
  97
  98         return (size);
  99 }
 100
 101 /*
 102  * Initialize PCI Devices. We rely on auto-configuration.
 103  */
 104 #ifndef CONFIG_PCI_PNP
 105 #error "CONFIG_PCI_PNP is not defined, please correct!"
 106 #endif
 107
 108 struct pci_controller hose = {
 109 };
 110
 111 void pci_init_board (void)
 112 {
 113         show_startup_phase (4);
 114         pci_mpc824x_init (&hose);
 115
 116         show_startup_phase (5);
 117         i2155x_init ();
 118         show_startup_phase (6);
 119         am79c95x_init ();
 120         show_startup_phase (7);
 121 }
 122
 123 int misc_init_r (void)
 124 {
 125         DECLARE_GLOBAL_DATA_PTR;
 126
 127         char str[20];
 128         u8 mac[6];
 129
 130         show_startup_phase (8);
 131         /*
 132          * Get serial number and ethernet addresses if not already defined
 133          * and update the board info structure and the environment.
 134          */
 135         if (getenv ("serial#") == NULL &&
 136                 get_serial_number (str, strlen (str)) > 0) {
 137                 setenv ("serial#", str);
 138         }
 139         show_startup_phase (9);
 140
 141         if (getenv ("ethaddr") == NULL &&
 142                 get_mac_address (0, mac, str, sizeof (str)) > 0) {
 143                 setenv ("ethaddr", str);
 144                 memcpy (gd->bd->bi_enetaddr, mac, 6);
 145         }
 146         show_startup_phase (10);
 147
 148 #ifdef CONFIG_HAS_ETH1
 149         if (getenv ("eth1addr") == NULL &&
 150                 get_mac_address (1, mac, str, sizeof (str)) > 0) {
 151                 setenv ("eth1addr", str);
 152                 memcpy (gd->bd->bi_enet1addr, mac, 6);
 153         }
 154 #endif /* CONFIG_HAS_ETH1 */
 155         show_startup_phase (11);
 156
 157         /* Tell everybody that U-Boot is up and runnig */
 158         i2155x_write_scrapad (0, 0x12345678);
 159         return (0);
 160 }
 161
 162 static int get_serial_number (char *string, int size)
 163 {
 164         int i;
 165         char c;
 166
 167         if (size < I2155X_VPD_SN_SIZE)
 168                 size = I2155X_VPD_SN_SIZE;
 169         for (i = 0; i < (size - 1); i++) {
 170                 i2155x_read_vpd (I2155X_VPD_SN_START + i, 1, (uchar *)&c);
 171                 if (c == '\0')
 172                         break;
 173                 string[i] = c;
 174         }
 175         string[i] = '\0';                       /* make sure it's terminated */
 176
 177         return i;
 178 }
 179
 180 static int get_mac_address (int id, u8 * mac, char *string, int size)
 181 {
 182         if (size < 6 * 3)
 183                 return -1;
 184
 185         i2155x_read_vpd (I2155X_VPD_MAC0_START + 6 * id, 6, mac);
 186         return sprintf (string, "%02x:%02x:%02x:%02x:%02x:%02x",
 187                                 mac[0], mac[1], mac[2],
 188                                 mac[3], mac[4], mac[5]);
 189 }