| /* linux/amba/pl093.h |
| * |
| * Copyright (c) 2008 Simtec Electronics |
| * http://armlinux.simtec.co.uk/ |
| * Ben Dooks <ben@simtec.co.uk> |
| * |
| * AMBA PL093 SSMC (synchronous static memory controller) |
| * See DDI0236.pdf (r0p4) for more details |
| * |
| * 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. |
| */ |
| |
| #define SMB_BANK(x) ((x) * 0x20) /* each bank control set is 0x20 apart */ |
| |
| /* Offsets for SMBxxxxRy registers */ |
| |
| #define SMBIDCYR (0x00) |
| #define SMBWSTRDR (0x04) |
| #define SMBWSTWRR (0x08) |
| #define SMBWSTOENR (0x0C) |
| #define SMBWSTWENR (0x10) |
| #define SMBCR (0x14) |
| #define SMBSR (0x18) |
| #define SMBWSTBRDR (0x1C) |
| |
| /* Masks for SMB registers */ |
| #define IDCY_MASK (0xf) |
| #define WSTRD_MASK (0xf) |
| #define WSTWR_MASK (0xf) |
| #define WSTOEN_MASK (0xf) |
| #define WSTWEN_MASK (0xf) |
| |
| /* Notes from datasheet: |
| * WSTOEN <= WSTRD |
| * WSTWEN <= WSTWR |
| * |
| * WSTOEN is not used with nWAIT |
| */ |
| |
| /* SMBCR bit definitions */ |
| #define SMBCR_BIWRITEEN (1 << 21) |
| #define SMBCR_ADDRVALIDWRITEEN (1 << 20) |
| #define SMBCR_SYNCWRITE (1 << 17) |
| #define SMBCR_BMWRITE (1 << 16) |
| #define SMBCR_WRAPREAD (1 << 14) |
| #define SMBCR_BIREADEN (1 << 13) |
| #define SMBCR_ADDRVALIDREADEN (1 << 12) |
| #define SMBCR_SYNCREAD (1 << 9) |
| #define SMBCR_BMREAD (1 << 8) |
| #define SMBCR_SMBLSPOL (1 << 6) |
| #define SMBCR_WP (1 << 3) |
| #define SMBCR_WAITEN (1 << 2) |
| #define SMBCR_WAITPOL (1 << 1) |
| #define SMBCR_RBLE (1 << 0) |
| |
| #define SMBCR_BURSTLENWRITE_MASK (3 << 18) |
| #define SMBCR_BURSTLENWRITE_4 (0 << 18) |
| #define SMBCR_BURSTLENWRITE_8 (1 << 18) |
| #define SMBCR_BURSTLENWRITE_RESERVED (2 << 18) |
| #define SMBCR_BURSTLENWRITE_CONTINUOUS (3 << 18) |
| |
| #define SMBCR_BURSTLENREAD_MASK (3 << 10) |
| #define SMBCR_BURSTLENREAD_4 (0 << 10) |
| #define SMBCR_BURSTLENREAD_8 (1 << 10) |
| #define SMBCR_BURSTLENREAD_16 (2 << 10) |
| #define SMBCR_BURSTLENREAD_CONTINUOUS (3 << 10) |
| |
| #define SMBCR_MW_MASK (3 << 4) |
| #define SMBCR_MW_8BIT (0 << 4) |
| #define SMBCR_MW_16BIT (1 << 4) |
| #define SMBCR_MW_M32BIT (2 << 4) |
| |
| /* SSMC status registers */ |
| #define SSMCCSR (0x200) |
| #define SSMCCR (0x204) |
| #define SSMCITCR (0x208) |
| #define SSMCITIP (0x20C) |
| #define SSMCITIOP (0x210) |