Initial revision

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]);
+}