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 #include <netdev.h>
  27
  28 #include "pn62.h"
  29
  30 DECLARE_GLOBAL_DATA_PTR;
  31
  32 static int get_serial_number (char *string, int size);
  33 static int get_mac_address (int id, u8 * mac, char *string, int size);
  34
  35 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  36 void show_boot_progress (int phase)
  37 {
  38         /*
  39          * Show phases of the bootm command on the front panel
  40          * LEDs and the scratchpad register #3 as well. We use
  41          * blinking LEDs for logical "1".
  42          */
  43         if (phase > 0) {
  44                 set_led (8, (phase & 0x1) ? LED_SLOW_CLOCK : LED_0);
  45                 set_led (9, (phase & 0x2) ? LED_SLOW_CLOCK : LED_0);
  46                 set_led (10, (phase & 0x4) ? LED_SLOW_CLOCK : LED_0);
  47                 set_led (11, (phase & 0x8) ? LED_SLOW_CLOCK : LED_0);
  48         }
  49         i2155x_write_scrapad (BOOT_STATUS, phase);
  50         if (phase < 0)
  51                 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
  52 }
  53 #endif
  54
  55 void show_startup_phase (int phase)
  56 {
  57         /*
  58          * Show the phase of U-Boot startup on the front panel
  59          * LEDs and the scratchpad register #3 as well.
  60          */
  61         if (phase > 0) {
  62                 set_led (8, (phase & 0x1) ? LED_1 : LED_0);
  63                 set_led (9, (phase & 0x2) ? LED_1 : LED_0);
  64                 set_led (10, (phase & 0x4) ? LED_1 : LED_0);
  65                 set_led (11, (phase & 0x8) ? LED_1 : LED_0);
  66         }
  67         i2155x_write_scrapad (BOOT_STATUS, phase);
  68         if (phase < 0)
  69                 i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
  70 }
  71
  72 int checkboard (void)
  73 {
  74         show_startup_phase (1);
  75         puts ("Board: PN62\n");
  76         return 0;
  77 }
  78
  79 phys_size_t initdram (int board_type)
  80 {
  81         long size;
  82         long new_bank0_end;
  83         long mear1;
  84         long emear1;
  85
  86         show_startup_phase (2);
  87
  88         size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE);
  89
  90         new_bank0_end = size - 1;
  91         mear1 = mpc824x_mpc107_getreg (MEAR1);
  92         emear1 = mpc824x_mpc107_getreg (EMEAR1);
  93         mear1 = (mear1 & 0xFFFFFF00) |
  94                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
  95         emear1 = (emear1 & 0xFFFFFF00) |
  96                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
  97         mpc824x_mpc107_setreg (MEAR1, mear1);
  98         mpc824x_mpc107_setreg (EMEAR1, emear1);
  99
 100         return (size);
 101 }
 102
 103 /*
 104  * Initialize PCI Devices. We rely on auto-configuration.
 105  */
 106 #ifndef CONFIG_PCI_PNP
 107 #error "CONFIG_PCI_PNP is not defined, please correct!"
 108 #endif
 109
 110 struct pci_controller hose = {
 111 };
 112
 113 void pci_init_board (void)
 114 {
 115         show_startup_phase (4);
 116         pci_mpc824x_init (&hose);
 117
 118         show_startup_phase (5);
 119         i2155x_init ();
 120         show_startup_phase (6);
 121         am79c95x_init ();
 122         show_startup_phase (7);
 123 }
 124
 125 int misc_init_r (void)
 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 }
 190
 191 int board_eth_init(bd_t *bis)
 192 {
 193         return pci_eth_init(bis);
 194 }