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, 162 insertions, 0 deletions

diff --git a/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
new file mode 100644
index 0000000000..f18313d516
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de>
+ *
+ * (C) Copyright 2000-2003
+ * 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 <command.h>
+#include "asm/m5282.h"
+#include "VCxK.h"
+
+int checkboard (void)
+{
+	puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n");
+#if (TEXT_BASE ==  CFG_INT_FLASH_BASE)
+	puts ("       Boot from Internal FLASH\n");
+#endif
+
+	return 0;
+}
+
+long int initdram (int board_type)
+{
+	int size,i;
+
+	size = 0;
+	MCFSDRAMC_DCR =	MCFSDRAMC_DCR_RTIM_6
+			| MCFSDRAMC_DCR_RC((15 * CFG_CLK)>>4);
+	#ifdef CFG_SDRAM_BASE0
+
+		MCFSDRAMC_DACR0 =	MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE0)
+					| MCFSDRAMC_DACR_CASL(1)
+ 					| MCFSDRAMC_DACR_CBM(3)
+					| MCFSDRAMC_DACR_PS_16);
+
+		MCFSDRAMC_DMR0 =	MCFSDRAMC_DMR_BAM_16M
+					| MCFSDRAMC_DMR_V;
+
+		MCFSDRAMC_DACR0 |= 	MCFSDRAMC_DACR_IP;
+
+		*(unsigned short *)(CFG_SDRAM_BASE0) = 0xA5A5;
+		MCFSDRAMC_DACR0 |=	MCFSDRAMC_DACR_RE;
+		for (i=0; i < 2000; i++)
+			asm(" nop");
+		mbar_writeLong(MCFSDRAMC_DACR0, mbar_readLong(MCFSDRAMC_DACR0)
+								    | MCFSDRAMC_DACR_IMRS);
+		*(unsigned int *)(CFG_SDRAM_BASE0 + 0x220) = 0xA5A5;
+		size += CFG_SDRAM_SIZE * 1024 * 1024;
+	#endif
+	#ifdef CFG_SDRAM_BASE1
+		MCFSDRAMC_DACR1 =	MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE1)
+					| MCFSDRAMC_DACR_CASL(1)
+ 					| MCFSDRAMC_DACR_CBM(3)
+					| MCFSDRAMC_DACR_PS_16;
+
+		MCFSDRAMC_DMR1 = 	MCFSDRAMC_DMR_BAM_16M
+					| MCFSDRAMC_DMR_V;
+
+		MCFSDRAMC_DACR1 |=	MCFSDRAMC_DACR_IP;
+
+		*(unsigned short *)(CFG_SDRAM_BASE1) = 0xA5A5;
+		MCFSDRAMC_DACR1 |=	MCFSDRAMC_DACR_RE;
+		for (i=0; i < 2000; i++)
+			asm(" nop");
+		MCFSDRAMC_DACR1 |= 	MCFSDRAMC_DACR_IMRS;
+		*(unsigned int *)(CFG_SDRAM_BASE1 + 0x220) = 0xA5A5;
+		size += CFG_SDRAM_SIZE1 * 1024 * 1024;
+	#endif
+	return size;
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+	uint *pstart = (uint *) CFG_MEMTEST_START;
+	uint *pend = (uint *) CFG_MEMTEST_END;
+	uint *p;
+
+	printf("SDRAM test phase 1:\n");
+	for (p = pstart; p < pend; p++)
+		*p = 0xaaaaaaaa;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0xaaaaaaaa) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	printf("SDRAM test phase 2:\n");
+	for (p = pstart; p < pend; p++)
+		*p = 0x55555555;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0x55555555) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	printf("SDRAM test passed.\n");
+	return 0;
+}
+#endif
+
+int misc_init_r(void)
+{
+	init_vcxk();
+	return 1;
+}
+
+/*---------------------------------------------------------------------------*/
+
+int do_vcimage (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int rcode = 0;
+	ulong source;
+
+	switch (argc) {
+	case 2:
+		source = simple_strtoul(argv[1],NULL,16);
+		vcxk_loadimage(source);
+		rcode = 0;
+		break;
+	default:
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		rcode = 1;
+		break;
+	}
+	return rcode;
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+	vcimage,	2,	0,	do_vcimage,
+	"vcimage - loads an image to Display\n",
+	"vcimage addr\n"
+);
+
+/* EOF EB+MCF-EV123c */