Add MCF5282 support (without preloader)

relocate ichache_State to ram
u-boot can run from internal flash
Add EB+MCF-EV123 board support.
Add m68k Boards to MAKEALL
Patch from Jens Scharsig, 08 Aug 2005

1 files changed, 136 insertions, 0 deletions

diff --git a/board/BuS/EB+MCF-EV123/VCxK.c b/board/BuS/EB+MCF-EV123/VCxK.c
new file mode 100644
index 0000000..736c101
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/VCxK.c
@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2005 
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 <asm/m5282.h>
+#include "VCxK.h"
+
+vu_char *vcxk_bws = (vu_char *)(CFG_CS3_BASE);
+#define VCXK_BWS vcxk_bws
+
+static ulong vcxk_driver;
+
+
+ulong search_vcxk_driver(void);
+void vcxk_cls(void);
+void vcxk_setbrightness(short brightness);
+int vcxk_request(void);
+int vcxk_acknowledge_wait(void);
+void vcxk_clear(void);
+
+int init_vcxk(void)
+{
+	VIDEO_Invert_CFG &= ~VIDEO_Invert_IO;
+	VIDEO_INVERT_PORT |= VIDEO_INVERT_PIN;
+	VIDEO_INVERT_DDR  |= VIDEO_INVERT_PIN;
+
+	VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN;
+	VIDEO_REQUEST_DDR |= VIDEO_REQUEST_PIN;
+
+	VIDEO_ACKNOWLEDGE_DDR &= ~VIDEO_ACKNOWLEDGE_PIN;
+
+	vcxk_driver = search_vcxk_driver();
+	if (vcxk_driver)
+	{
+		/* use flash resist driver */
+	}
+	else
+	{
+		vcxk_cls();
+		vcxk_cls();
+		vcxk_setbrightness(1000);
+	}
+	VIDEO_ENABLE_DDR |= VIDEO_ENABLE_PIN;
+	VIDEO_ENABLE_PORT |= VIDEO_ENABLE_PIN;
+	VIDEO_ENABLE_PORT &= ~VIDEO_ENABLE_PIN;
+	return 1;
+}
+
+void 	vcxk_loadimage(ulong source)
+{
+	int cnt;
+	vcxk_acknowledge_wait();
+	for (cnt=0; cnt<16384; cnt++)
+	{
+		VCXK_BWS[cnt*2] = (*(vu_char*) source);
+		source++;
+	}
+	vcxk_request();
+}
+
+void vcxk_cls(void)
+{
+	vcxk_acknowledge_wait();
+	vcxk_clear();
+	vcxk_request();
+}
+
+void vcxk_clear(void)
+{
+	int cnt;
+	for (cnt=0; cnt<16384; cnt++)
+	{
+		VCXK_BWS[cnt*2] = 0x00;
+	}
+}
+
+void vcxk_setbrightness(short brightness)
+{
+	VCXK_BWS[0x8000]=(brightness >> 4) +2;
+	VCXK_BWS[0xC000]= (brightness + 23) >> 8;
+	VCXK_BWS[0xC001]= (brightness + 23) & 0xFF;
+}
+
+int vcxk_request(void)
+{
+	if (vcxk_driver)
+	{
+		/* use flash resist driver */
+	}
+	else
+	{
+		VIDEO_REQUEST_PORT &= ~VIDEO_REQUEST_PIN;
+		VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN;
+	}
+	return 1;
+}
+
+int vcxk_acknowledge_wait(void)
+{
+	if (vcxk_driver)
+	{
+		/* use flash resist driver */
+	}
+	else
+	{
+		while (!(VIDEO_ACKNOWLEDGE_PORT & VIDEO_ACKNOWLEDGE_PIN));
+	}
+	return 1;
+}
+
+ulong search_vcxk_driver(void)
+{
+	return 0;
+}
+
+/* eof */