Initial revision

1 files changed, 119 insertions, 0 deletions

diff --git a/board/cu824/cu824.c b/board/cu824/cu824.c
new file mode 100644
index 0000000..20aaea2
--- /dev/null
+++ b/board/cu824/cu824.c
@@ -0,0 +1,119 @@
+/*
+ * (C) Copyright 2001
+ * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
+ *
+ * (C) Copyright 2001, 2002
+ * Wolfgang Denk, DENX Software Engineering, <wd@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 <asm/processor.h>
+#include <pci.h>
+
+#define BOARD_REV_REG 0xFE80002B
+
+int checkboard (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	char  revision = *(volatile char *)(BOARD_REV_REG);
+	char  buf[32];
+
+	puts ("Board: CU824 ");
+	printf("Revision %d ", revision);
+	printf("Local Bus at %s MHz\n", strmhz(buf, gd->bus_clk));
+
+	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;
+}
+
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_sandpoint_config_table[] = {
+	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+	  PCI_BUS(CFG_ETH_DEV_FN), PCI_DEV(CFG_ETH_DEV_FN), PCI_FUNC(CFG_ETH_DEV_FN),
+	  pci_cfgfunc_config_device, { CFG_ETH_IOBASE,
+				       0,
+				       PCI_COMMAND_IO | PCI_COMMAND_MASTER }},
+	{ }
+};
+#endif
+
+struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+	config_table: pci_sandpoint_config_table,
+#endif
+};
+
+void pci_init(void)
+{
+	pci_mpc824x_init(&hose);
+}