99 lines
4.0 KiB
C
99 lines
4.0 KiB
C
/*
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* FlexBus Internal Memory Map
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*
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* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
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* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __FLEXBUS_H
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#define __FLEXBUS_H
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/*********************************************************************
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* FlexBus Chip Selects (FBCS)
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*********************************************************************/
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typedef struct fbcs {
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u32 csar0; /* Chip-select Address Register */
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u32 csmr0; /* Chip-select Mask Register */
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u32 cscr0; /* Chip-select Control Register */
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u32 csar1; /* Chip-select Address Register */
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u32 csmr1; /* Chip-select Mask Register */
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u32 cscr1; /* Chip-select Control Register */
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u32 csar2; /* Chip-select Address Register */
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u32 csmr2; /* Chip-select Mask Register */
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u32 cscr2; /* Chip-select Control Register */
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u32 csar3; /* Chip-select Address Register */
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u32 csmr3; /* Chip-select Mask Register */
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u32 cscr3; /* Chip-select Control Register */
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u32 csar4; /* Chip-select Address Register */
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u32 csmr4; /* Chip-select Mask Register */
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u32 cscr4; /* Chip-select Control Register */
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u32 csar5; /* Chip-select Address Register */
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u32 csmr5; /* Chip-select Mask Register */
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u32 cscr5; /* Chip-select Control Register */
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} fbcs_t;
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/* Bit definitions and macros for CSAR group */
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#define FBCS_CSAR_BA(x) ((x)&0xFFFF0000)
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/* Bit definitions and macros for CSMR group */
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#define FBCS_CSMR_V (0x00000001) /* Valid bit */
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#define FBCS_CSMR_WP (0x00000100) /* Write protect */
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#define FBCS_CSMR_BAM(x) (((x)&0x0000FFFF)<<16) /* Base address mask */
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#define FBCS_CSMR_BAM_4G (0xFFFF0000)
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#define FBCS_CSMR_BAM_2G (0x7FFF0000)
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#define FBCS_CSMR_BAM_1G (0x3FFF0000)
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#define FBCS_CSMR_BAM_1024M (0x3FFF0000)
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#define FBCS_CSMR_BAM_512M (0x1FFF0000)
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#define FBCS_CSMR_BAM_256M (0x0FFF0000)
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#define FBCS_CSMR_BAM_128M (0x07FF0000)
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#define FBCS_CSMR_BAM_64M (0x03FF0000)
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#define FBCS_CSMR_BAM_32M (0x01FF0000)
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#define FBCS_CSMR_BAM_16M (0x00FF0000)
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#define FBCS_CSMR_BAM_8M (0x007F0000)
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#define FBCS_CSMR_BAM_4M (0x003F0000)
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#define FBCS_CSMR_BAM_2M (0x001F0000)
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#define FBCS_CSMR_BAM_1M (0x000F0000)
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#define FBCS_CSMR_BAM_1024K (0x000F0000)
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#define FBCS_CSMR_BAM_512K (0x00070000)
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#define FBCS_CSMR_BAM_256K (0x00030000)
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#define FBCS_CSMR_BAM_128K (0x00010000)
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#define FBCS_CSMR_BAM_64K (0x00000000)
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/* Bit definitions and macros for CSCR group */
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#define FBCS_CSCR_BSTW (0x00000008) /* Burst-write enable */
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#define FBCS_CSCR_BSTR (0x00000010) /* Burst-read enable */
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#define FBCS_CSCR_BEM (0x00000020) /* Byte-enable mode */
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#define FBCS_CSCR_PS(x) (((x)&0x00000003)<<6) /* Port size */
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#define FBCS_CSCR_AA (0x00000100) /* Auto-acknowledge */
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#define FBCS_CSCR_WS(x) (((x)&0x0000003F)<<10) /* Wait states */
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#define FBCS_CSCR_WRAH(x) (((x)&0x00000003)<<16) /* Write address hold or deselect */
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#define FBCS_CSCR_RDAH(x) (((x)&0x00000003)<<18) /* Read address hold or deselect */
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#define FBCS_CSCR_ASET(x) (((x)&0x00000003)<<20) /* Address setup */
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#define FBCS_CSCR_SWSEN (0x00800000) /* Secondary wait state enable */
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#define FBCS_CSCR_SWS(x) (((x)&0x0000003F)<<26) /* Secondary wait states */
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#define FBCS_CSCR_PS_8 (0x00000040)
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#define FBCS_CSCR_PS_16 (0x00000080)
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#define FBCS_CSCR_PS_32 (0x00000000)
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#endif /* __FLEXBUS_H */
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