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authorwdenk <wdenk>2004-07-09 22:51:01 +0000
committerwdenk <wdenk>2004-07-09 22:51:01 +0000
commit262381329b87511ed862cde139a3a1ff49e9d7eb (patch)
tree151ad67387361c92cf4fd64c6b4779d7c00d43a7 /board/adderII/adderII.c
parentede130229ca069afbb38ce396a912c2b2f1d8263 (diff)
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* Patch by Yuli Barcohen, 16 Jun 2004:
Remove obsolete AdderII port which was superseded by unified AdderII/Adder87x port * Patch by Ladislav Michl, 16 Jun 2004: Fix gcc-3.3.3 warnings for smc91111.c
Diffstat (limited to 'board/adderII/adderII.c')
-rw-r--r--board/adderII/adderII.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/board/adderII/adderII.c b/board/adderII/adderII.c
deleted file mode 100644
index d398e54..0000000
--- a/board/adderII/adderII.c
+++ /dev/null
@@ -1,189 +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 <config.h>
-#include <mpc8xx.h>
-
-/*
- * Check Board Identity:
- */
-
-int checkboard( void )
-{
- puts("Board: ");
- puts("AdderII(MPC852T)\n" );
-
- return 0;
-}
-
-#if defined( CONFIG_SDRAM_50MHZ )
-
-/******************************************************************************
-** for chip Samsung K4S643232F - T70
-** this table is for 32-50MHz operation
-*******************************************************************************/
-
-#define SDRAM_MPTPRVALUE 0x0200
-
-#define SDRAM_MAMRVALUE0 0x00802114 /* refresh at 32MHz */
-#define SDRAM_MAMRVALUE1 0x00802118
-
-#define SDRAM_OR1VALUE 0xff800e00
-#define SDRAM_BR1VALUE 0x00000081
-
-#define SDRAM_MARVALUE 94
-
-#define SDRAM_MCRVALUE0 0x80808105
-#define SDRAM_MCRVALUE1 0x80808130
-
-const uint sdram_table[] = {
-
- /* single read (offset 0x00 in upm ram) */
- 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xe0bbbc00,
- 0x10f77c44, 0xf3fffc07, 0xfffffc04, 0xfffffc04,
-
- /* burst read (offset 0x08 in upm ram) */
- 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xf0affc00,
- 0xf0affc00, 0xf0affc00, 0xf0affc00, 0x10a77c44,
- 0xf7bffc47, 0xfffffc35, 0xfffffc34, 0xfffffc35,
- 0xfffffc35, 0x1ff77c35, 0xfffffc34, 0x1fb57c35,
-
- /* single write (offset 0x18 in upm ram) */
- 0x1f27fc24, 0xe0aebc04, 0x00b93c00, 0x13f77c47,
- 0xfffdfc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
-
- /* burst write (offset 0x20 in upm ram) */
- 0x1f07fc24, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
- 0xf0affc00, 0xe0abbc00, 0x1fb77c47, 0xfffffc04,
- 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
- 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
-
- /* refresh (offset 0x30 in upm ram) */
- 0x1ff5fca4, 0xfffffc04, 0xfffffc04, 0xfffffc04,
- 0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04,
- 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
-
- /* exception (offset 0x3C in upm ram) */
- 0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04,
-};
-
-#else
-#error SDRAM not correctly configured
-#endif
-
-int _initsdram (uint base, uint noMbytes)
-{
- volatile immap_t *immap = (immap_t *) CFG_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- if (noMbytes != 8) {
- return -1;
- }
-
- upmconfig (UPMA, (uint *) sdram_table,
- sizeof (sdram_table) / sizeof (uint));
-
- memctl->memc_mptpr = SDRAM_MPTPRVALUE;
-
- /* Configure the refresh (mostly). This needs to be
- * based upon processor clock speed and optimized to provide
- * the highest level of performance. For multiple banks,
- * this time has to be divided by the number of banks.
- * Although it is not clear anywhere, it appears the
- * refresh steps through the chip selects for this UPM
- * on each refresh cycle.
- * We have to be careful changing
- * UPM registers after we ask it to run these commands.
- */
-
- memctl->memc_mamr = (SDRAM_MAMRVALUE0 | (SDRAM_MARVALUE << 24));
- memctl->memc_mar = 0x0;
- udelay (200);
-
- /* Now run the precharge/nop/mrs commands.
- */
- memctl->memc_mcr = 0x80002115;
- udelay (200);
-
- /* Run 8 refresh cycles */
- memctl->memc_mcr = 0x80002380;
- udelay (200);
-
- memctl->memc_mar = 0x88;
- udelay (200);
-
- memctl->memc_mcr = 0x80002116;
- udelay (200);
-
- memctl->memc_or1 = SDRAM_OR1VALUE;
- memctl->memc_br1 = SDRAM_BR1VALUE | base;
-
- return 0;
-}
-
-void _sdramdisable( void )
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- memctl->memc_br1 = 0x00000000;
-
- /* maybe we should turn off upma here or something */
-}
-
-int initsdram (uint base, uint * noMbytes)
-{
- uint m = 8;
-
- *noMbytes = m;
-
- if (!_initsdram (base, m)) {
- return 0;
- } else {
- _sdramdisable ();
- return -1;
- }
-}
-
-long int initdram (int board_type)
-{
- /* AdderII: has 8MB SDRAM */
- uint sdramsz;
- uint m = 0;
-
- if (!initsdram (0x00000000, &sdramsz)) {
- m += sdramsz;
- } else {
- return -1;
- }
- return (m << 20);
-}
-
-int testdram (void)
-{
- /* TODO: XXX XXX XXX not an actual SDRAM test */
- printf ("Test: 8MB SDRAM\n");
-
- return (0);
-}