smemc.h (4089B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Static memory controller register definitions for PXA CPUs 4 * 5 * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> 6 */ 7 8#ifndef __SMEMC_REGS_H 9#define __SMEMC_REGS_H 10 11#define PXA2XX_SMEMC_BASE 0x48000000 12#define PXA3XX_SMEMC_BASE 0x4a000000 13#define SMEMC_VIRT IOMEM(0xf6000000) 14 15#define MDCNFG (SMEMC_VIRT + 0x00) /* SDRAM Configuration Register 0 */ 16#define MDREFR (SMEMC_VIRT + 0x04) /* SDRAM Refresh Control Register */ 17#define MSC0 (SMEMC_VIRT + 0x08) /* Static Memory Control Register 0 */ 18#define MSC1 (SMEMC_VIRT + 0x0C) /* Static Memory Control Register 1 */ 19#define MSC2 (SMEMC_VIRT + 0x10) /* Static Memory Control Register 2 */ 20#define MECR (SMEMC_VIRT + 0x14) /* Expansion Memory (PCMCIA/Compact Flash) Bus Configuration */ 21#define SXLCR (SMEMC_VIRT + 0x18) /* LCR value to be written to SDRAM-Timing Synchronous Flash */ 22#define SXCNFG (SMEMC_VIRT + 0x1C) /* Synchronous Static Memory Control Register */ 23#define SXMRS (SMEMC_VIRT + 0x24) /* MRS value to be written to Synchronous Flash or SMROM */ 24#define MCMEM0 (SMEMC_VIRT + 0x28) /* Card interface Common Memory Space Socket 0 Timing */ 25#define MCMEM1 (SMEMC_VIRT + 0x2C) /* Card interface Common Memory Space Socket 1 Timing */ 26#define MCATT0 (SMEMC_VIRT + 0x30) /* Card interface Attribute Space Socket 0 Timing Configuration */ 27#define MCATT1 (SMEMC_VIRT + 0x34) /* Card interface Attribute Space Socket 1 Timing Configuration */ 28#define MCIO0 (SMEMC_VIRT + 0x38) /* Card interface I/O Space Socket 0 Timing Configuration */ 29#define MCIO1 (SMEMC_VIRT + 0x3C) /* Card interface I/O Space Socket 1 Timing Configuration */ 30#define MDMRS (SMEMC_VIRT + 0x40) /* MRS value to be written to SDRAM */ 31#define BOOT_DEF (SMEMC_VIRT + 0x44) /* Read-Only Boot-Time Register. Contains BOOT_SEL and PKG_SEL */ 32#define MEMCLKCFG (SMEMC_VIRT + 0x68) /* Clock Configuration */ 33#define CSADRCFG0 (SMEMC_VIRT + 0x80) /* Address Configuration Register for CS0 */ 34#define CSADRCFG1 (SMEMC_VIRT + 0x84) /* Address Configuration Register for CS1 */ 35#define CSADRCFG2 (SMEMC_VIRT + 0x88) /* Address Configuration Register for CS2 */ 36#define CSADRCFG3 (SMEMC_VIRT + 0x8C) /* Address Configuration Register for CS3 */ 37#define CSMSADRCFG (SMEMC_VIRT + 0xA0) /* Chip Select Configuration Register */ 38 39/* 40 * More handy macros for PCMCIA 41 * 42 * Arg is socket number 43 */ 44#define MCMEM(s) (SMEMC_VIRT + 0x28 + ((s)<<2)) /* Card interface Common Memory Space Socket s Timing */ 45#define MCATT(s) (SMEMC_VIRT + 0x30 + ((s)<<2)) /* Card interface Attribute Space Socket s Timing Configuration */ 46#define MCIO(s) (SMEMC_VIRT + 0x38 + ((s)<<2)) /* Card interface I/O Space Socket s Timing Configuration */ 47 48/* MECR register defines */ 49#define MECR_NOS (1 << 0) /* Number Of Sockets: 0 -> 1 sock, 1 -> 2 sock */ 50#define MECR_CIT (1 << 1) /* Card Is There: 0 -> no card, 1 -> card inserted */ 51 52#define MDCNFG_DE0 (1 << 0) /* SDRAM Bank 0 Enable */ 53#define MDCNFG_DE1 (1 << 1) /* SDRAM Bank 1 Enable */ 54#define MDCNFG_DE2 (1 << 16) /* SDRAM Bank 2 Enable */ 55#define MDCNFG_DE3 (1 << 17) /* SDRAM Bank 3 Enable */ 56 57#define MDREFR_K0DB4 (1 << 29) /* SDCLK0 Divide by 4 Control/Status */ 58#define MDREFR_K2FREE (1 << 25) /* SDRAM Free-Running Control */ 59#define MDREFR_K1FREE (1 << 24) /* SDRAM Free-Running Control */ 60#define MDREFR_K0FREE (1 << 23) /* SDRAM Free-Running Control */ 61#define MDREFR_SLFRSH (1 << 22) /* SDRAM Self-Refresh Control/Status */ 62#define MDREFR_APD (1 << 20) /* SDRAM/SSRAM Auto-Power-Down Enable */ 63#define MDREFR_K2DB2 (1 << 19) /* SDCLK2 Divide by 2 Control/Status */ 64#define MDREFR_K2RUN (1 << 18) /* SDCLK2 Run Control/Status */ 65#define MDREFR_K1DB2 (1 << 17) /* SDCLK1 Divide by 2 Control/Status */ 66#define MDREFR_K1RUN (1 << 16) /* SDCLK1 Run Control/Status */ 67#define MDREFR_E1PIN (1 << 15) /* SDCKE1 Level Control/Status */ 68#define MDREFR_K0DB2 (1 << 14) /* SDCLK0 Divide by 2 Control/Status */ 69#define MDREFR_K0RUN (1 << 13) /* SDCLK0 Run Control/Status */ 70#define MDREFR_E0PIN (1 << 12) /* SDCKE0 Level Control/Status */ 71 72#endif