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authorHeiko Schocher <hs@pollux.denx.de>2006-04-20 08:42:42 +0200
committerHeiko Schocher <hs@pollux.denx.de>2006-04-20 08:42:42 +0200
commit9acb626fc145e7327f94fd77f927dce08dd978a8 (patch)
tree8597a60515c10ec608ad756699460226ccb63343 /board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
parent8419c013048b1f15f3fa2fc7c0463d860a04ee3e (diff)
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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
Diffstat (limited to 'board/BuS/EB+MCF-EV123/EB+MCF-EV123.c')
-rw-r--r--board/BuS/EB+MCF-EV123/EB+MCF-EV123.c162
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 0000000..f18313d
--- /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 */