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/* -*-Asm-*- */
/*
* Register locations, etc for DOCBoot
*
* Author: David Woodhouse <dwmw2@infradead.org>
*
* $Id: doc_bootstub.h,v 1.3 2005/01/03 18:31:10 dbrown Exp $
*
* 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.
*/
#define DoC_M_CDSN_IO 0x800
#define DoC_ChipID 0x1000
#define DoC_DOCStatus 0x1001
#define DoC_DOCControl 0x1002
#define DoC_FloorSelect 0x1003
#define DoC_CDSNControl 0x1004
#define DoC_CDSNDeviceSelect 0x1005
#define DoC_ECCConf 0x1006
#define DoC_2k_ECCStatus 0x1007
#define DoC_CDSNSlowIO 0x100d
#define DoC_ECCSyndrome0 0x1010
#define DoC_ECCSyndrome1 0x1011
#define DoC_ECCSyndrome2 0x1012
#define DoC_ECCSyndrome3 0x1013
#define DoC_ECCSyndrome4 0x1014
#define DoC_ECCSyndrome5 0x1015
#define DoC_AliasResolution 0x101b
#define DoC_ConfigInput 0x101c
#define DoC_ReadPipeInit 0x101d
#define DoC_WritePipeTerm 0x101e
#define DoC_LastDataRead 0x101f
#define DoC_NOP 0x1020
#define DoC_2k_CDSN_IO 0x1800
#define DoC_Mplus_NOP 0x1002
#define DoC_Mplus_AliasResolution 0x1004
#define DoC_Mplus_DOCControl 0x1006
#define DoC_Mplus_AccessStatus 0x1008
#define DoC_Mplus_DeviceSelect 0x1008
#define DoC_Mplus_Configuration 0x100a
#define DoC_Mplus_OutputControl 0x100c
#define DoC_Mplus_FlashControl 0x1020
#define DoC_Mplus_FlashSelect 0x1022
#define DoC_Mplus_FlashCmd 0x1024
#define DoC_Mplus_FlashAddress 0x1026
#define DoC_Mplus_FlashData0 0x1028
#define DoC_Mplus_FlashData1 0x1029
#define DoC_Mplus_ReadPipeInit 0x102a
#define DoC_Mplus_LastDataRead 0x102c
#define DoC_Mplus_LastDataRead1 0x102d
#define DoC_Mplus_WritePipeTerm 0x102e
#define DoC_Mplus_ECCSyndrome0 0x1040
#define DoC_Mplus_ECCSyndrome1 0x1041
#define DoC_Mplus_ECCSyndrome2 0x1042
#define DoC_Mplus_ECCSyndrome3 0x1043
#define DoC_Mplus_ECCSyndrome4 0x1044
#define DoC_Mplus_ECCSyndrome5 0x1045
#define DoC_Mplus_ECCConf 0x1046
#define DoC_Mplus_Toggle 0x1046
#define DoC_Mplus_DownloadStatus 0x1074
#define DoC_Mplus_CtrlConfirm 0x1076
#define DoC_Mplus_Power 0x1fff
#define DOC_MODE_RESET 0
#define DOC_MODE_NORMAL 1
#define DOC_MODE_RESERVED1 2
#define DOC_MODE_RESERVED2 3
#define DOC_MODE_CLR_ERR 0x80
#define DOC_MODE_RST_LAT 0x10
#define DOC_MODE_BDECT 0x08
#define DOC_MODE_MDWREN 0x04
#define DOC_ChipID_Doc2k 0x20
#define DOC_ChipID_DocMil 0x30
#define CDSN_CTRL_FR_B 0x80
#define CDSN_CTRL_ECC_IO 0x20
#define CDSN_CTRL_FLASH_IO 0x10
#define CDSN_CTRL_WP 8
#define CDSN_CTRL_ALE 4
#define CDSN_CTRL_CLE 2
#define CDSN_CTRL_CE 1
#define DOC_FLASH_CE 0x80
#define DOC_FLASH_WP 0x40
#define NAND_CMD_READ0 0
#define NAND_CMD_READ1 1
#define NAND_CMD_READOOB 0x50
#define NAND_CMD_RESET 0xff
/* Some macros to make it obvious what we're accessing */
#define BXREG DoC_ChipID
#define BX_ChipID (%bx)
#define BX_DOCControl 2(%bx)
#define BX_CDSNControl 4(%bx)
#define BX_ConfigurationInput 28(%bx)
#define BX_ReadPipeInit 29(%bx)
#define BX_WritePipeTerm 30(%bx)
#define BX_LastDataRead 31(%bx)
#define BX_NOP 32(%bx)
#define BX_Mplus_NOP 2(%bx)
#define BX_Mplus_DOCControl 6(%bx)
#define BX_Mplus_FlashControl 32(%bx)
#define BX_Mplus_FlashSelect 34(%bx)
#define BX_Mplus_FlashCmd 36(%bx)
#define BX_Mplus_FlashAddress 38(%bx)
#define BX_Mplus_ReadPipeInit 42(%bx)
#define BX_Mplus_WritePipeTerm 46(%bx)
#define BX_Mplus_CtrlConfirm 118(%bx)
#define SIREG DoC_M_CDSN_IO
#define SI_CDSN_IO (%si)
/* Print message string */
#define MSG(x) movw $(x), %si; call message
#define BIOS_SIG 0xAA55
#define PARAM_BYTES 12
#define SETUP_SECTS_LOCATION 497
#define DOC_BIOS_HOOK 0x18
/* #define DOC_ADDRESS 0xc800 */
/* #define BIOS_EXTENSION */
/* #define MILPLUS */
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