diff options
Diffstat (limited to 'arch/ppc/include/asm/fsl_ddr_sdram.h')
| -rw-r--r-- | arch/ppc/include/asm/fsl_ddr_sdram.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/ppc/include/asm/fsl_ddr_sdram.h b/arch/ppc/include/asm/fsl_ddr_sdram.h new file mode 100644 index 0000000000..ef793c9d65 --- /dev/null +++ b/arch/ppc/include/asm/fsl_ddr_sdram.h @@ -0,0 +1,33 @@ +/* + * Copyright 2012 GE Intelligent Platforms, Inc. + * Copyright 2008-2011 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * Version 2 as published by the Free Software Foundation. + */ + +#ifndef FSL_DDR_MEMCTL_H +#define FSL_DDR_MEMCTL_H + +/* + * DDR_SDRAM_CFG - DDR SDRAM Control Configuration + */ +#define SDRAM_CFG_MEM_EN 0x80000000 +#define SDRAM_CFG_SREN 0x40000000 +#define SDRAM_CFG_ECC_EN 0x20000000 +#define SDRAM_CFG_RD_EN 0x10000000 +#define SDRAM_CFG_SDRAM_TYPE_DDR1 0x02000000 +#define SDRAM_CFG_SDRAM_TYPE_DDR2 0x03000000 +#define SDRAM_CFG_SDRAM_TYPE_MASK 0x07000000 +#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24 +#define SDRAM_CFG_DYN_PWR 0x00200000 +#define SDRAM_CFG_32_BE 0x00080000 +#define SDRAM_CFG_8_BE 0x00040000 +#define SDRAM_CFG_NCAP 0x00020000 +#define SDRAM_CFG_2T_EN 0x00008000 +#define SDRAM_CFG_BI 0x00000001 + +extern phys_size_t fixed_sdram(void); + +#endif |