mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-22 02:49:44 +09:00
43a5f0df2f
This patch adds support for A320 evaluation board from Faraday. This board uses FA526 processor by default and has 512kB and 32MB NOR flash, 64M RAM. FA526 is an ARMv4 processor and uses the ARM920T source in this patch. Signed-off-by: Po-Yu Chuang <ratbert@faraday-tech.com>
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/*
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* (C) Copyright 2009 Faraday Technology
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* Po-Yu Chuang <ratbert@faraday-tech.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* SDRAM Controller
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*/
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#ifndef __FTSDMC020_H
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#define __FTSDMC020_H
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#define FTSDMC020_OFFSET_TP0 0x00
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#define FTSDMC020_OFFSET_TP1 0x04
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#define FTSDMC020_OFFSET_CR 0x08
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#define FTSDMC020_OFFSET_BANK0_BSR 0x0C
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#define FTSDMC020_OFFSET_BANK1_BSR 0x10
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#define FTSDMC020_OFFSET_BANK2_BSR 0x14
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#define FTSDMC020_OFFSET_BANK3_BSR 0x18
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#define FTSDMC020_OFFSET_BANK4_BSR 0x1C
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#define FTSDMC020_OFFSET_BANK5_BSR 0x20
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#define FTSDMC020_OFFSET_BANK6_BSR 0x24
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#define FTSDMC020_OFFSET_BANK7_BSR 0x28
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#define FTSDMC020_OFFSET_ACR 0x34
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/*
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* Timing Parametet 0 Register
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*/
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#define FTSDMC020_TP0_TCL(x) ((x) & 0x3)
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#define FTSDMC020_TP0_TWR(x) (((x) & 0x3) << 4)
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#define FTSDMC020_TP0_TRF(x) (((x) & 0xf) << 8)
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#define FTSDMC020_TP0_TRCD(x) (((x) & 0x7) << 12)
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#define FTSDMC020_TP0_TRP(x) (((x) & 0xf) << 16)
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#define FTSDMC020_TP0_TRAS(x) (((x) & 0xf) << 20)
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/*
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* Timing Parametet 1 Register
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*/
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#define FTSDMC020_TP1_REF_INTV(x) ((x) & 0xffff)
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#define FTSDMC020_TP1_INI_REFT(x) (((x) & 0xf) << 16)
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#define FTSDMC020_TP1_INI_PREC(x) (((x) & 0xf) << 20)
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/*
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* Configuration Register
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*/
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#define FTSDMC020_CR_SREF (1 << 0)
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#define FTSDMC020_CR_PWDN (1 << 1)
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#define FTSDMC020_CR_ISMR (1 << 2)
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#define FTSDMC020_CR_IREF (1 << 3)
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#define FTSDMC020_CR_IPREC (1 << 4)
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#define FTSDMC020_CR_REFTYPE (1 << 5)
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/*
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* SDRAM External Bank Base/Size Register
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*/
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#define FTSDMC020_BANK_ENABLE (1 << 28)
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#define FTSDMC020_BANK_BASE(addr) (((addr) >> 20) << 16)
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#define FTSDMC020_BANK_DDW_X4 (0 << 12)
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#define FTSDMC020_BANK_DDW_X8 (1 << 12)
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#define FTSDMC020_BANK_DDW_X16 (2 << 12)
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#define FTSDMC020_BANK_DDW_X32 (3 << 12)
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#define FTSDMC020_BANK_DSZ_16M (0 << 8)
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#define FTSDMC020_BANK_DSZ_64M (1 << 8)
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#define FTSDMC020_BANK_DSZ_128M (2 << 8)
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#define FTSDMC020_BANK_DSZ_256M (3 << 8)
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#define FTSDMC020_BANK_MBW_8 (0 << 4)
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#define FTSDMC020_BANK_MBW_16 (1 << 4)
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#define FTSDMC020_BANK_MBW_32 (2 << 4)
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#define FTSDMC020_BANK_SIZE_1M 0x0
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#define FTSDMC020_BANK_SIZE_2M 0x1
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#define FTSDMC020_BANK_SIZE_4M 0x2
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#define FTSDMC020_BANK_SIZE_8M 0x3
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#define FTSDMC020_BANK_SIZE_16M 0x4
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#define FTSDMC020_BANK_SIZE_32M 0x5
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#define FTSDMC020_BANK_SIZE_64M 0x6
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#define FTSDMC020_BANK_SIZE_128M 0x7
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#define FTSDMC020_BANK_SIZE_256M 0x8
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/*
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* Arbiter Control Register
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*/
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#define FTSDMC020_ACR_TOC(x) ((x) & 0x1f)
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#define FTSDMC020_ACR_TOE (1 << 8)
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#endif /* __FTSDMC020_H */
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