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