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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/musenki/musenki.c
parent5b1d713721c3ea02549940133f09236783dda1f9 (diff)
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Initial revision
Diffstat (limited to 'board/musenki/musenki.c')
-rw-r--r--board/musenki/musenki.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/board/musenki/musenki.c b/board/musenki/musenki.c
new file mode 100644
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--- /dev/null
+++ b/board/musenki/musenki.c
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2001
+ * Rob Taylor, Flying Pig Systems. robt@flyingpig.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 <pci.h>
+
+int checkboard (void)
+{
+ ulong busfreq = get_bus_freq(0);
+ char buf[32];
+
+ printf("Board: MUSENKI Local Bus at %s MHz\n", strmhz(buf, busfreq));
+ return 0;
+
+}
+
+#if 0 /* NOT USED */
+int checkflash (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("## Test not implemented yet ##\n");
+
+ return (0);
+}
+#endif
+
+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;
+}
+
+/*
+ * Initialize PCI Devices
+ */
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_sandpoint_config_table[] = {
+#if 0
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ 0x0, 0x0, 0x0, /* unknown eth0 divice */
+ pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_IO |
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER }},
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ 0x0, 0x0, 0x0, /* unknown eth1 device */
+ pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
+ PCI_ENET1_MEMADDR,
+ PCI_COMMAND_IO |
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER }},
+#endif
+ { }
+};
+#endif
+
+struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+ config_table: pci_sandpoint_config_table,
+#endif
+};
+
+void pci_init(void)
+{
+ pci_mpc824x_init(&hose);
+}