diff options
Diffstat (limited to 'board/pn62/pn62.c')
| -rw-r--r-- | board/pn62/pn62.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/board/pn62/pn62.c b/board/pn62/pn62.c new file mode 100644 index 0000000..4d87527 --- /dev/null +++ b/board/pn62/pn62.c @@ -0,0 +1,216 @@ +/* + * (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 <pci.h> + +#include "pn62.h" + + +static int get_serial_number (char *string, int size); +static int get_mac_address (int id, u8 * mac, char *string, int size); + +#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; +} + +long int initdram (int board_type) +{ + int i, cnt; + volatile uchar *base = CFG_SDRAM_BASE; + volatile ulong *addr; + ulong save[32]; + ulong val, ret = 0; + + show_startup_phase (2); + + for (i = 0, cnt = (CFG_MAX_RAM_SIZE / sizeof (long)) >> 1; cnt > 0; + cnt >>= 1) { + addr = (volatile ulong *) base + cnt; + save[i++] = *addr; + *addr = ~cnt; + } + + addr = (volatile ulong *) base; + save[i] = *addr; + *addr = 0; + + if (*addr != 0) { + *addr = save[i]; + goto Done; + } + + for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof (long); cnt <<= 1) { + addr = (volatile ulong *) base + cnt; + val = *addr; + *addr = save[--i]; + if (val != ~cnt) { + ulong new_bank0_end = cnt * sizeof (long) - 1; + ulong mear1 = mpc824x_mpc107_getreg (MEAR1); + ulong 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); + + ret = cnt * sizeof (long); + goto Done; + } + } + + ret = CFG_MAX_RAM_SIZE; + Done: + show_startup_phase (3); + return ret; +} + +/* + * 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 (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) +{ + DECLARE_GLOBAL_DATA_PTR; + + 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 (getenv ("ethaddr") == NULL && + get_mac_address (0, mac, str, sizeof (str)) > 0) { + setenv ("ethaddr", str); + memcpy (gd->bd->bi_enetaddr, mac, 6); + } + show_startup_phase (10); + + if (getenv ("eth1addr") == NULL && + get_mac_address (1, mac, str, sizeof (str)) > 0) { + setenv ("eth1addr", str); + memcpy (gd->bd->bi_enet1addr, mac, 6); + } + 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, &c); + if (c == '\0') + break; + string[i] = c; + } + string[i] = '\0'; /* make sure it's terminated */ + + return i; +} + +static int get_mac_address (int id, u8 * mac, char *string, int size) +{ + if (size < 6 * 3) + return -1; + + i2155x_read_vpd (I2155X_VPD_MAC0_START + 6 * id, 6, mac); + return sprintf (string, "%02x:%02x:%02x:%02x:%02x:%02x", + mac[0], mac[1], mac[2], + mac[3], mac[4], mac[5]); +} |