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authorwdenk <wdenk>2002-11-03 00:24:07 +0000
committerwdenk <wdenk>2002-11-03 00:24:07 +0000
commitc609719b8d1b2dca590e0ed499016d041203e403 (patch)
tree7ea1755d80903ff972f312a249eb856061d40e15 /board/pn62/pn62.c
parent5b1d713721c3ea02549940133f09236783dda1f9 (diff)
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Initial revision
Diffstat (limited to 'board/pn62/pn62.c')
-rw-r--r--board/pn62/pn62.c216
1 files changed, 216 insertions, 0 deletions
diff --git a/board/pn62/pn62.c b/board/pn62/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 <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]);
+}