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smemc.h
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smemc.h
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/*
* Static memory controller register definitions for PXA CPUs
*
* Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
*
* 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.
*/
#ifndef __SMEMC_REGS_H
#define __SMEMC_REGS_H
#define PXA2XX_SMEMC_BASE 0x48000000
#define PXA3XX_SMEMC_BASE 0x4a000000
#define SMEMC_VIRT 0xf6000000
#define MDCNFG (SMEMC_VIRT + 0x00) /* SDRAM Configuration Register 0 */
#define MDREFR (SMEMC_VIRT + 0x04) /* SDRAM Refresh Control Register */
#define MSC0 (SMEMC_VIRT + 0x08) /* Static Memory Control Register 0 */
#define MSC1 (SMEMC_VIRT + 0x0C) /* Static Memory Control Register 1 */
#define MSC2 (SMEMC_VIRT + 0x10) /* Static Memory Control Register 2 */
#define MECR (SMEMC_VIRT + 0x14) /* Expansion Memory (PCMCIA/Compact Flash) Bus Configuration */
#define SXLCR (SMEMC_VIRT + 0x18) /* LCR value to be written to SDRAM-Timing Synchronous Flash */
#define SXCNFG (SMEMC_VIRT + 0x1C) /* Synchronous Static Memory Control Register */
#define SXMRS (SMEMC_VIRT + 0x24) /* MRS value to be written to Synchronous Flash or SMROM */
#define MCMEM0 (SMEMC_VIRT + 0x28) /* Card interface Common Memory Space Socket 0 Timing */
#define MCMEM1 (SMEMC_VIRT + 0x2C) /* Card interface Common Memory Space Socket 1 Timing */
#define MCATT0 (SMEMC_VIRT + 0x30) /* Card interface Attribute Space Socket 0 Timing Configuration */
#define MCATT1 (SMEMC_VIRT + 0x34) /* Card interface Attribute Space Socket 1 Timing Configuration */
#define MCIO0 (SMEMC_VIRT + 0x38) /* Card interface I/O Space Socket 0 Timing Configuration */
#define MCIO1 (SMEMC_VIRT + 0x3C) /* Card interface I/O Space Socket 1 Timing Configuration */
#define MDMRS (SMEMC_VIRT + 0x40) /* MRS value to be written to SDRAM */
#define BOOT_DEF (SMEMC_VIRT + 0x44) /* Read-Only Boot-Time Register. Contains BOOT_SEL and PKG_SEL */
#define MEMCLKCFG (SMEMC_VIRT + 0x68) /* Clock Configuration */
#define CSADRCFG0 (SMEMC_VIRT + 0x80) /* Address Configuration Register for CS0 */
#define CSADRCFG1 (SMEMC_VIRT + 0x84) /* Address Configuration Register for CS1 */
#define CSADRCFG2 (SMEMC_VIRT + 0x88) /* Address Configuration Register for CS2 */
#define CSADRCFG3 (SMEMC_VIRT + 0x8C) /* Address Configuration Register for CS3 */
#define CSMSADRCFG (SMEMC_VIRT + 0xA0) /* Chip Select Configuration Register */
/*
* More handy macros for PCMCIA
*
* Arg is socket number
*/
#define MCMEM(s) (SMEMC_VIRT + 0x28 + ((s)<<2)) /* Card interface Common Memory Space Socket s Timing */
#define MCATT(s) (SMEMC_VIRT + 0x30 + ((s)<<2)) /* Card interface Attribute Space Socket s Timing Configuration */
#define MCIO(s) (SMEMC_VIRT + 0x38 + ((s)<<2)) /* Card interface I/O Space Socket s Timing Configuration */
/* MECR register defines */
#define MECR_NOS (1 << 0) /* Number Of Sockets: 0 -> 1 sock, 1 -> 2 sock */
#define MECR_CIT (1 << 1) /* Card Is There: 0 -> no card, 1 -> card inserted */
#define MDCNFG_DE0 (1 << 0) /* SDRAM Bank 0 Enable */
#define MDCNFG_DE1 (1 << 1) /* SDRAM Bank 1 Enable */
#define MDCNFG_DE2 (1 << 16) /* SDRAM Bank 2 Enable */
#define MDCNFG_DE3 (1 << 17) /* SDRAM Bank 3 Enable */
#define MDREFR_K0DB4 (1 << 29) /* SDCLK0 Divide by 4 Control/Status */
#define MDREFR_K2FREE (1 << 25) /* SDRAM Free-Running Control */
#define MDREFR_K1FREE (1 << 24) /* SDRAM Free-Running Control */
#define MDREFR_K0FREE (1 << 23) /* SDRAM Free-Running Control */
#define MDREFR_SLFRSH (1 << 22) /* SDRAM Self-Refresh Control/Status */
#define MDREFR_APD (1 << 20) /* SDRAM/SSRAM Auto-Power-Down Enable */
#define MDREFR_K2DB2 (1 << 19) /* SDCLK2 Divide by 2 Control/Status */
#define MDREFR_K2RUN (1 << 18) /* SDCLK2 Run Control/Status */
#define MDREFR_K1DB2 (1 << 17) /* SDCLK1 Divide by 2 Control/Status */
#define MDREFR_K1RUN (1 << 16) /* SDCLK1 Run Control/Status */
#define MDREFR_E1PIN (1 << 15) /* SDCKE1 Level Control/Status */
#define MDREFR_K0DB2 (1 << 14) /* SDCLK0 Divide by 2 Control/Status */
#define MDREFR_K0RUN (1 << 13) /* SDCLK0 Run Control/Status */
#define MDREFR_E0PIN (1 << 12) /* SDCKE0 Level Control/Status */
#endif