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-rw-r--r--board/eXalion/eXalion.c292
1 files changed, 292 insertions, 0 deletions
diff --git a/board/eXalion/eXalion.c b/board/eXalion/eXalion.c
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+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * Torsten Demke, FORCE Computers GmbH. torsten.demke@fci.com
+ *
+ * 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 <asm/processor.h>
+#include <asm/io.h>
+#include <pci.h>
+#include <ide.h>
+#include "piix_pci.h"
+#include "eXalion.h"
+
+int checkboard (void)
+{
+ ulong busfreq = get_bus_freq (0);
+ char buf[32];
+
+ printf ("Board: eXalion MPC824x - CHRP (MAP B)\n");
+ printf ("Built: %s at %s\n", __DATE__, __TIME__);
+ printf ("Local Bus: %s MHz\n", strmhz (buf, busfreq));
+
+ return 0;
+}
+
+int checkflash (void)
+{
+ printf ("checkflash\n");
+ flash_init ();
+ 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;
+
+ 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:
+ return ret;
+}
+
+int misc_init_r (void)
+{
+ pci_dev_t bdf;
+ u32 val32;
+ u8 val8;
+
+ puts ("ISA: ");
+ bdf = pci_find_device (PIIX4_VENDOR_ID, PIIX4_ISA_DEV_ID, 0);
+ if (bdf == -1) {
+ puts ("Unable to find PIIX4 ISA bridge !\n");
+ hang ();
+ }
+
+ /* set device for normal ISA instead EIO */
+ pci_read_config_dword (bdf, PCI_CFG_PIIX4_GENCFG, &val32);
+ val32 |= 0x00000001;
+ pci_write_config_dword (bdf, PCI_CFG_PIIX4_GENCFG, val32);
+ printf ("PIIX4 ISA bridge (%d,%d,%d)\n", PCI_BUS (bdf),
+ PCI_DEV (bdf), PCI_FUNC (bdf));
+
+ puts ("ISA: ");
+ bdf = pci_find_device (PIIX4_VENDOR_ID, PIIX4_IDE_DEV_ID, 0);
+ if (bdf == -1) {
+ puts ("Unable to find PIIX4 IDE controller !\n");
+ hang ();
+ }
+
+ /* Init BMIBA register */
+ /* pci_read_config_dword(bdf, PCI_CFG_PIIX4_BMIBA, &val32); */
+ /* val32 |= 0x1000; */
+ /* pci_write_config_dword(bdf, PCI_CFG_PIIX4_BMIBA, val32); */
+
+ /* Enable BUS master and IO access */
+ val32 = PCI_COMMAND_MASTER | PCI_COMMAND_IO;
+ pci_write_config_dword (bdf, PCI_COMMAND, val32);
+
+ /* Set latency */
+ pci_read_config_byte (bdf, PCI_LATENCY_TIMER, &val8);
+ val8 = 0x40;
+ pci_write_config_byte (bdf, PCI_LATENCY_TIMER, val8);
+
+ /* Enable Primary ATA/IDE */
+ pci_read_config_dword (bdf, PCI_CFG_PIIX4_IDETIM, &val32);
+ /* val32 = 0xa307a307; */
+ val32 = 0x00008000;
+ pci_write_config_dword (bdf, PCI_CFG_PIIX4_IDETIM, val32);
+
+
+ printf ("PIIX4 IDE controller (%d,%d,%d)\n", PCI_BUS (bdf),
+ PCI_DEV (bdf), PCI_FUNC (bdf));
+
+ /* Try to get FAT working... */
+ /* fat_register_read(ide_read); */
+
+
+ return (0);
+}
+
+/*
+ * Show/Init PCI devices on the specified bus number.
+ */
+
+void pci_eXalion_fixup_irq (struct pci_controller *hose, pci_dev_t dev)
+{
+ unsigned char line;
+
+ switch (PCI_DEV (dev)) {
+ case 16:
+ line = PCI_INT_A;
+ break;
+ case 17:
+ line = PCI_INT_B;
+ break;
+ case 18:
+ line = PCI_INT_C;
+ break;
+ case 19:
+ line = PCI_INT_D;
+ break;
+#if defined (CONFIG_MPC8245)
+ case 20:
+ line = PCI_INT_A;
+ break;
+ case 21:
+ line = PCI_INT_B;
+ break;
+ case 22:
+ line = PCI_INT_NA;
+ break;
+#endif
+ default:
+ line = PCI_INT_A;
+ break;
+ }
+ pci_hose_write_config_byte (hose, dev, PCI_INTERRUPT_LINE, line);
+}
+
+
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+#ifndef CONFIG_PCI_PNP
+#if defined (CONFIG_MPC8240)
+static struct pci_config_table pci_eXalion_config_table[] = {
+ {
+ /* Intel 82559ER ethernet controller */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 18, 0x00,
+ pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER}},
+ {
+ /* Intel 82371AB PIIX4 PCI to ISA bridge */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x00,
+ pci_cfgfunc_config_device, {0,
+ 0,
+ PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
+ {
+ /* Intel 82371AB PIIX4 IDE controller */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x01,
+ pci_cfgfunc_config_device, {0,
+ 0,
+ PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
+ {}
+};
+#elif defined (CONFIG_MPC8245)
+static struct pci_config_table pci_eXalion_config_table[] = {
+ {
+ /* Intel 82559ER ethernet controller */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 17, 0x00,
+ pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER}},
+ {
+ /* Intel 82559ER ethernet controller */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 18, 0x00,
+ pci_cfgfunc_config_device, {PCI_ENET1_IOADDR,
+ PCI_ENET1_MEMADDR,
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER}},
+ {
+ /* Broadcom BCM5690 Gigabit switch */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x00,
+ pci_cfgfunc_config_device, {PCI_ENET2_IOADDR,
+ PCI_ENET2_MEMADDR,
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER}},
+ {
+ /* Broadcom BCM5690 Gigabit switch */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 21, 0x00,
+ pci_cfgfunc_config_device, {PCI_ENET3_IOADDR,
+ PCI_ENET3_MEMADDR,
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER}},
+ {
+ /* Intel 82371AB PIIX4 PCI to ISA bridge */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 22, 0x00,
+ pci_cfgfunc_config_device, {0,
+ 0,
+ PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
+ {
+ /* Intel 82371AB PIIX4 IDE controller */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 22, 0x01,
+ pci_cfgfunc_config_device, {0,
+ 0,
+ PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
+ {}
+};
+#else
+#error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
+#endif
+
+#endif /* #ifndef CONFIG_PCI_PNP */
+
+struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+ config_table:pci_eXalion_config_table,
+ fixup_irq:pci_eXalion_fixup_irq,
+#endif
+};
+
+void pci_init_board (void)
+{
+ pci_mpc824x_init (&hose);
+}
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