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authorWolfgang Denk <wd@denx.de>2008-04-08 00:10:17 +0200
committerWolfgang Denk <wd@denx.de>2008-04-08 00:10:17 +0200
commit2c78febd114b716714e7ac83c17bac5e30066512 (patch)
tree2fc53ae7781aca121aefa5e21796eee0c94f5611 /board/r5200/r5200.c
parent34e6cb8d1d9dc8194b2d8cad1cc39273ac58f8d8 (diff)
parent9b46432fc65ce0f0826b32e4f15c15b33ccb8d42 (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot-coldfire
Diffstat (limited to 'board/r5200/r5200.c')
-rw-r--r--board/r5200/r5200.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/board/r5200/r5200.c b/board/r5200/r5200.c
deleted file mode 100644
index 69f3a76..0000000
--- a/board/r5200/r5200.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * (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 <asm/m5271.h>
-#include <asm/immap_5271.h>
-
-
-int checkboard (void) {
- puts ("Board: R5200 Ethernet Module\n");
- return 0;
-};
-
-long int initdram (int board_type) {
- int i;
-
- /*
- * Set CS2 pin to be SD_CS0
- */
- mbar_writeByte(MCF_GPIO_PAR_CS, mbar_readByte(MCF_GPIO_PAR_CS)
- | MCF_GPIO_PAR_CS_PAR_CS2);
-
- mbar_writeByte(MCF_GPIO_PAR_SDRAM, mbar_readByte(MCF_GPIO_PAR_SDRAM)
- | MCF_GPIO_PAR_SDRAM_PAR_CSSDCS(0x01));
-
- /*
- * Check to see if the SDRAM has already been initialized
- * by a run control tool
- */
- if (!(mbar_readLong(MCF_SDRAMC_DACR0) & MCF_SDRAMC_DACRn_RE)) {
- /*
- * Initialize DRAM Control Register: DCR
- */
- mbar_writeShort(MCF_SDRAMC_DCR, MCF_SDRAMC_DCR_RTIM(0x01)
- | MCF_SDRAMC_DCR_RC(0x30));
-
- /*
- * Initialize DACR0
- */
- mbar_writeLong(MCF_SDRAMC_DACR0,
- MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18)
- | MCF_SDRAMC_DACRn_CASL(0)
- | MCF_SDRAMC_DACRn_CBM(3)
- | MCF_SDRAMC_DACRn_PS(2));
-
- /*
- * Initialize DMR0
- */
- mbar_writeLong(MCF_SDRAMC_DMR0,
- MCF_SDRAMC_DMRn_BAM_8M
- | MCF_SDRAMC_DMRn_V);
-
- /*
- * Set IP bit in DACR
- */
- mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
- | MCF_SDRAMC_DACRn_IP);
-
- /*
- * Wait at least 20ns to allow banks to precharge
- */
- for (i = 0; i < 5; i++)
- asm(" nop");
-
- /*
- * Write to this block to initiate precharge
- */
- *(u16 *)(CFG_SDRAM_BASE) = 0x9696;
-
- /*
- * Set RE bit in DACR
- */
- mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
- | MCF_SDRAMC_DACRn_RE);
-
-
- /*
- * Wait for at least 8 auto refresh cycles to occur
- */
- for (i = 0; i < 2000; i++)
- asm(" nop");
-
- /*
- * Finish the configuration by issuing the MRS.
- */
- mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
- | MCF_SDRAMC_DACRn_MRS);
-
-
- /*
- * Write to the SDRAM Mode Register
- */
- *(u16 *)(CFG_SDRAM_BASE + 0x1000) = 0x9696;
- }
-
- return CFG_SDRAM_SIZE * 1024 * 1024;
-};
-
-int testdram (void) {
- /* TODO: XXX XXX XXX */
- printf ("DRAM test not implemented!\n");
-
- return (0);
-}