pn62.c
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/*
* (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <mpc824x.h>
#include <net.h>
#include <pci.h>
#include <netdev.h>
#include "pn62.h"
DECLARE_GLOBAL_DATA_PTR;
static int get_serial_number (char *string, int size);
static void get_mac_address(int id, u8 *mac);
#ifdef CONFIG_SHOW_BOOT_PROGRESS
void show_boot_progress (int phase)
{
/*
* Show phases of the bootm command on the front panel
* LEDs and the scratchpad register #3 as well. We use
* blinking LEDs for logical "1".
*/
if (phase > 0) {
set_led (8, (phase & 0x1) ? LED_SLOW_CLOCK : LED_0);
set_led (9, (phase & 0x2) ? LED_SLOW_CLOCK : LED_0);
set_led (10, (phase & 0x4) ? LED_SLOW_CLOCK : LED_0);
set_led (11, (phase & 0x8) ? LED_SLOW_CLOCK : LED_0);
}
i2155x_write_scrapad (BOOT_STATUS, phase);
if (phase < 0)
i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
}
#endif
void show_startup_phase (int phase)
{
/*
* Show the phase of U-Boot startup on the front panel
* LEDs and the scratchpad register #3 as well.
*/
if (phase > 0) {
set_led (8, (phase & 0x1) ? LED_1 : LED_0);
set_led (9, (phase & 0x2) ? LED_1 : LED_0);
set_led (10, (phase & 0x4) ? LED_1 : LED_0);
set_led (11, (phase & 0x8) ? LED_1 : LED_0);
}
i2155x_write_scrapad (BOOT_STATUS, phase);
if (phase < 0)
i2155x_write_scrapad (BOOT_DONE, BOOT_DONE_ERROR);
}
int checkboard (void)
{
show_startup_phase (1);
puts ("Board: PN62\n");
return 0;
}
phys_size_t initdram (int board_type)
{
long size;
long new_bank0_end;
long mear1;
long emear1;
show_startup_phase (2);
size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE);
new_bank0_end = size - 1;
mear1 = mpc824x_mpc107_getreg (MEAR1);
emear1 = mpc824x_mpc107_getreg (EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg (MEAR1, mear1);
mpc824x_mpc107_setreg (EMEAR1, emear1);
return (size);
}
/*
* Initialize PCI Devices. We rely on auto-configuration.
*/
#ifndef CONFIG_PCI_PNP
#error "CONFIG_PCI_PNP is not defined, please correct!"
#endif
struct pci_controller hose = {
};
void pci_init_board (void)
{
show_startup_phase (4);
pci_mpc824x_init (&hose);
show_startup_phase (5);
i2155x_init ();
show_startup_phase (6);
am79c95x_init ();
show_startup_phase (7);
}
int misc_init_r (void)
{
char str[20];
u8 mac[6];
show_startup_phase (8);
/*
* Get serial number and ethernet addresses if not already defined
* and update the board info structure and the environment.
*/
if (getenv ("serial#") == NULL &&
get_serial_number (str, strlen (str)) > 0) {
setenv ("serial#", str);
}
show_startup_phase (9);
if (!eth_getenv_enetaddr("ethaddr", mac)) {
get_mac_address(0, mac);
eth_setenv_enetaddr("ethaddr", mac);
}
show_startup_phase (10);
#ifdef CONFIG_HAS_ETH1
if (!eth_getenv_enetaddr("eth1addr", mac)) {
get_mac_address(1, mac);
eth_setenv_enetaddr("eth1addr", mac);
}
#endif /* CONFIG_HAS_ETH1 */
show_startup_phase (11);
/* Tell everybody that U-Boot is up and runnig */
i2155x_write_scrapad (0, 0x12345678);
return (0);
}
static int get_serial_number (char *string, int size)
{
int i;
char c;
if (size < I2155X_VPD_SN_SIZE)
size = I2155X_VPD_SN_SIZE;
for (i = 0; i < (size - 1); i++) {
i2155x_read_vpd (I2155X_VPD_SN_START + i, 1, (uchar *)&c);
if (c == '\0')
break;
string[i] = c;
}
string[i] = '\0'; /* make sure it's terminated */
return i;
}
static void get_mac_address(int id, u8 *mac)
{
i2155x_read_vpd (I2155X_VPD_MAC0_START + 6 * id, 6, mac);
}
int board_eth_init(bd_t *bis)
{
return pci_eth_init(bis);
}