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authorGary Jennejohn <gary.jennejohn@freenet.de>2008-04-28 14:04:32 +0200
committerStefan Roese <sr@denx.de>2008-05-08 16:44:01 +0200
commit73ccb3410a0785593cda7aee455dfc51f790e281 (patch)
tree360711881735ecc52efa3e1018ed01fd6bcfd7bd /board/quad100hd/quad100hd.c
parentef2642625cbfb1c3695e3478d08ae515052a4950 (diff)
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ppc4xx: Add the Harris QUAD100HD AMCC 405EP-based board
Signed-off-by: Gary Jennejohn <garyj@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/quad100hd/quad100hd.c')
-rw-r--r--board/quad100hd/quad100hd.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/board/quad100hd/quad100hd.c b/board/quad100hd/quad100hd.c
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+++ b/board/quad100hd/quad100hd.c
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+/*
+ * (C) Copyright 2008
+ * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
+ *
+ * Based in part on board/icecube/icecube.c from PPCBoot
+ * (C) Copyright 2003 Intrinsyc Software
+ *
+ * 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 <command.h>
+#include <malloc.h>
+#include <environment.h>
+#include <logbuff.h>
+#include <post.h>
+
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+ /* taken from PPCBoot */
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(uicer, 0x00000000); /* disable all ints */
+ mtdcr(uiccr, 0x00000000);
+ mtdcr(uicpr, 0xFFFF7FFE); /* set int polarities */
+ mtdcr(uictr, 0x00000000); /* set int trigger levels */
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
+
+ mtdcr(CPC0_SRR, 0x00040000); /* Hold PCI bridge in reset */
+
+ return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+#ifdef DISPLAY_BOARD_INFO
+ sys_info_t sysinfo;
+#endif
+
+ puts("Board: Quad100hd");
+
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ putc('\n');
+
+#ifdef DISPLAY_BOARD_INFO
+ /* taken from ppcboot */
+ get_sys_info(&sysinfo);
+
+ printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz);
+ printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
+ printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
+ printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
+ printf("\tEPB: %lu MHz\n", sysinfo.freqPLB / (sysinfo.pllExtBusDiv *
+ 1000000));
+ printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);
+#endif
+
+ return 0;
+}
+
+long int initdram(int board_type)
+{
+ return CFG_SDRAM_SIZE;
+}