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 DECLARE_GLOBAL_DATA_PTR;
  30
  31 static int get_serial_number (char *string, int size);
  32 static int get_mac_address (int id, u8 * mac, char *string, int size);
  33
  34 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  35 void show_boot_progress (int phase)
  36 {
  37         /*
  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".
  41          */
  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);
  47         }
  48         i2155x_write_scrapad (BOOT_STATUS, phase);
  49         if (phase < 0)
  50                 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
  51 }
  52 #endif
  53
  54 void show_startup_phase (int phase)
  55 {
  56         /*
  57          * Show the phase of U-Boot startup on the front panel
  58          * LEDs and the scratchpad register #3 as well.
  59          */
  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);
  65         }
  66         i2155x_write_scrapad (BOOT_STATUS, phase);
  67         if (phase < 0)
  68                 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
  69 }
  70
  71 int checkboard (void)
  72 {
  73         show_startup_phase (1);
  74         puts ("Board: PN62\n");
  75         return 0;
  76 }
  77
  78 long int initdram (int board_type)
  79 {
  80         long size;
  81         long new_bank0_end;
  82         long mear1;
  83         long emear1;
  84
  85         show_startup_phase (2);
  86
  87         size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
  88
  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);
  98
  99         return (size);
 100 }
 101
 102 /*
 103  * Initialize PCI Devices. We rely on auto-configuration.
 104  */
 105 #ifndef CONFIG_PCI_PNP
 106 #error "CONFIG_PCI_PNP is not defined, please correct!"
 107 #endif
 108
 109 struct pci_controller hose = {
 110 };
 111
 112 void pci_init_board (void)
 113 {
 114         show_startup_phase (4);
 115         pci_mpc824x_init (&hose);
 116
 117         show_startup_phase (5);
 118         i2155x_init ();
 119         show_startup_phase (6);
 120         am79c95x_init ();
 121         show_startup_phase (7);
 122 }
 123
 124 int misc_init_r (void)
 125 {
 126         char str[20];
 127         u8 mac[6];
 128
 129         show_startup_phase (8);
 130         /*
 131          * Get serial number and ethernet addresses if not already defined
 132          * and update the board info structure and the environment.
 133          */
 134         if (getenv ("serial#") == NULL &&
 135                 get_serial_number (str, strlen (str)) > 0) {
 136                 setenv ("serial#", str);
 137         }
 138         show_startup_phase (9);
 139
 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);
 144         }
 145         show_startup_phase (10);
 146
 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);
 152         }
 153 #endif /* CONFIG_HAS_ETH1 */
 154         show_startup_phase (11);
 155
 156         /* Tell everybody that U-Boot is up and runnig */
 157         i2155x_write_scrapad (0, 0x12345678);
 158         return (0);
 159 }
 160
 161 static int get_serial_number (char *string, int size)
 162 {
 163         int i;
 164         char c;
 165
 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;
 173         }
 174         string[i] = '\0';                       /* make sure it's terminated */
 175
 176         return i;
 177 }
 178
 179 static int get_mac_address (int id, u8 * mac, char *string, int size)
 180 {
 181         if (size < 6 * 3)
 182                 return -1;
 183
 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]);
 188 }