diff options
Diffstat (limited to 'arch/arm/include/asm/arch-a320/ftsdmc020.h')
| -rw-r--r-- | arch/arm/include/asm/arch-a320/ftsdmc020.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-a320/ftsdmc020.h b/arch/arm/include/asm/arch-a320/ftsdmc020.h new file mode 100644 index 0000000..0699772 --- /dev/null +++ b/arch/arm/include/asm/arch-a320/ftsdmc020.h @@ -0,0 +1,103 @@ +/* + * (C) Copyright 2009 Faraday Technology + * Po-Yu Chuang <ratbert@faraday-tech.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* + * SDRAM Controller + */ +#ifndef __FTSDMC020_H +#define __FTSDMC020_H + +#define FTSDMC020_OFFSET_TP0 0x00 +#define FTSDMC020_OFFSET_TP1 0x04 +#define FTSDMC020_OFFSET_CR 0x08 +#define FTSDMC020_OFFSET_BANK0_BSR 0x0C +#define FTSDMC020_OFFSET_BANK1_BSR 0x10 +#define FTSDMC020_OFFSET_BANK2_BSR 0x14 +#define FTSDMC020_OFFSET_BANK3_BSR 0x18 +#define FTSDMC020_OFFSET_BANK4_BSR 0x1C +#define FTSDMC020_OFFSET_BANK5_BSR 0x20 +#define FTSDMC020_OFFSET_BANK6_BSR 0x24 +#define FTSDMC020_OFFSET_BANK7_BSR 0x28 +#define FTSDMC020_OFFSET_ACR 0x34 + +/* + * Timing Parametet 0 Register + */ +#define FTSDMC020_TP0_TCL(x) ((x) & 0x3) +#define FTSDMC020_TP0_TWR(x) (((x) & 0x3) << 4) +#define FTSDMC020_TP0_TRF(x) (((x) & 0xf) << 8) +#define FTSDMC020_TP0_TRCD(x) (((x) & 0x7) << 12) +#define FTSDMC020_TP0_TRP(x) (((x) & 0xf) << 16) +#define FTSDMC020_TP0_TRAS(x) (((x) & 0xf) << 20) + +/* + * Timing Parametet 1 Register + */ +#define FTSDMC020_TP1_REF_INTV(x) ((x) & 0xffff) +#define FTSDMC020_TP1_INI_REFT(x) (((x) & 0xf) << 16) +#define FTSDMC020_TP1_INI_PREC(x) (((x) & 0xf) << 20) + +/* + * Configuration Register + */ +#define FTSDMC020_CR_SREF (1 << 0) +#define FTSDMC020_CR_PWDN (1 << 1) +#define FTSDMC020_CR_ISMR (1 << 2) +#define FTSDMC020_CR_IREF (1 << 3) +#define FTSDMC020_CR_IPREC (1 << 4) +#define FTSDMC020_CR_REFTYPE (1 << 5) + +/* + * SDRAM External Bank Base/Size Register + */ +#define FTSDMC020_BANK_ENABLE (1 << 28) + +#define FTSDMC020_BANK_BASE(addr) (((addr) >> 20) << 16) + +#define FTSDMC020_BANK_DDW_X4 (0 << 12) +#define FTSDMC020_BANK_DDW_X8 (1 << 12) +#define FTSDMC020_BANK_DDW_X16 (2 << 12) +#define FTSDMC020_BANK_DDW_X32 (3 << 12) + +#define FTSDMC020_BANK_DSZ_16M (0 << 8) +#define FTSDMC020_BANK_DSZ_64M (1 << 8) +#define FTSDMC020_BANK_DSZ_128M (2 << 8) +#define FTSDMC020_BANK_DSZ_256M (3 << 8) + +#define FTSDMC020_BANK_MBW_8 (0 << 4) +#define FTSDMC020_BANK_MBW_16 (1 << 4) +#define FTSDMC020_BANK_MBW_32 (2 << 4) + +#define FTSDMC020_BANK_SIZE_1M 0x0 +#define FTSDMC020_BANK_SIZE_2M 0x1 +#define FTSDMC020_BANK_SIZE_4M 0x2 +#define FTSDMC020_BANK_SIZE_8M 0x3 +#define FTSDMC020_BANK_SIZE_16M 0x4 +#define FTSDMC020_BANK_SIZE_32M 0x5 +#define FTSDMC020_BANK_SIZE_64M 0x6 +#define FTSDMC020_BANK_SIZE_128M 0x7 +#define FTSDMC020_BANK_SIZE_256M 0x8 + +/* + * Arbiter Control Register + */ +#define FTSDMC020_ACR_TOC(x) ((x) & 0x1f) +#define FTSDMC020_ACR_TOE (1 << 8) + +#endif /* __FTSDMC020_H */ |