diff options
Diffstat (limited to 'board/netstal/common/fixed_sdram.c')
| -rw-r--r-- | board/netstal/common/fixed_sdram.c | 105 | 
1 files changed, 0 insertions, 105 deletions
| diff --git a/board/netstal/common/fixed_sdram.c b/board/netstal/common/fixed_sdram.c deleted file mode 100644 index 51b34b29f..000000000 --- a/board/netstal/common/fixed_sdram.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - *(C) Copyright 2005-2008 Netstal Maschinen AG - *    Niklaus Giger (Niklaus.Giger@netstal.com) - * - *    This source code is free software; you can redistribute it - *    and/or modify it in source code form 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/ppc4xx.h> -#include  <asm/processor.h> -#include  "nm.h" - -#if defined(DEBUG) -void show_sdram_registers(void) -{ -	u32 value; - -	printf("SDRAM Controller Registers --\n"); -	mfsdram(SDRAM0_CFG, value); -	printf("    SDRAM0_CFG   : 0x%08x\n", value); -	mfsdram(SDRAM0_STATUS, value); -	printf("    SDRAM0_STATUS: 0x%08x\n", value); -	mfsdram(SDRAM0_B0CR, value); -	printf("    SDRAM0_B0CR  : 0x%08x\n", value); -	mfsdram(SDRAM0_B1CR, value); -	printf("    SDRAM0_B1CR  : 0x%08x\n", value); -	mfsdram(SDRAM0_TR, value); -	printf("    SDRAM0_TR    : 0x%08x\n", value); -	mfsdram(SDRAM0_RTR, value); -	printf("    SDRAM0_RTR   : 0x%08x\n", value); -} -#endif - -long int init_ppc405_sdram(unsigned int dram_size) -{ -#ifdef DEBUG -	printf(__FUNCTION__); -#endif -	/* disable memory controller */ -	mtsdram(SDRAM0_CFG, 0x00000000); - -	udelay (500); - -	/* Clear SDRAM0_BESR0 (Bus Error Syndrome Register) */ -	mtsdram(SDRAM0_BESR0, 0xffffffff); - -	/* Clear SDRAM0_BESR1 (Bus Error Syndrome Register) */ -	mtsdram(SDRAM0_BESR1, 0xffffffff); - -	/* Clear SDRAM0_ECCCFG (disable ECC) */ -	mtsdram(SDRAM0_ECCCFG, 0x00000000); - -	/* Clear SDRAM0_ECCESR (ECC Error Syndrome Register) */ -	mtsdram(SDRAM0_ECCESR, 0xffffffff); - -	/* Timing register: CASL=2, PTA=2, CTP=2, LDF=1, RFTA=5, RCD=2 -	 */ -	mtsdram(SDRAM0_TR, 0x008a4015); - -	/* Memory Bank 0 Config == BA=0x00000000, SZ=64M, AM=3, BE=1 -	 * and refresh timer -	 */ -	switch (dram_size >> 20) { -	case 32: -		mtsdram(SDRAM0_B0CR, 0x00062001); -		mtsdram(SDRAM0_RTR,   0x07F00000); -		break; -	case 64: -		mtsdram(SDRAM0_B0CR, 0x00084001); -		mtsdram(SDRAM0_RTR,   0x04100000); -		break; -	case 128: -		mtsdram(SDRAM0_B0CR, 0x000A4001); -		mtsdram(SDRAM0_RTR,   0x04100000); -		break; -	default: -		printf("Invalid memory size of %d MB given\n", dram_size >> 20); -	} - -	/* Power management idle timer set to the default. */ -	mtsdram(SDRAM0_PMIT, 0x07c00000); - -	udelay (500); - -	/* Enable banks (DCE=1, BPRF=1, ECCDD=1, EMDUL=1) TODO */ -	mtsdram(SDRAM0_CFG, 0x90800000); - -#ifdef DEBUG -	printf("%s: done\n", __FUNCTION__); -#endif -	return dram_size; -} |