1/*
2 * Static memory controller register definitions for PXA CPUs
3 *
4 * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef __SMEMC_REGS_H
12#define __SMEMC_REGS_H
13
14#define PXA2XX_SMEMC_BASE	0x48000000
15#define PXA3XX_SMEMC_BASE	0x4a000000
16#define SMEMC_VIRT		IOMEM(0xf6000000)
17
18#define MDCNFG		(SMEMC_VIRT + 0x00)  /* SDRAM Configuration Register 0 */
19#define MDREFR		(SMEMC_VIRT + 0x04)  /* SDRAM Refresh Control Register */
20#define MSC0		(SMEMC_VIRT + 0x08)  /* Static Memory Control Register 0 */
21#define MSC1		(SMEMC_VIRT + 0x0C)  /* Static Memory Control Register 1 */
22#define MSC2		(SMEMC_VIRT + 0x10)  /* Static Memory Control Register 2 */
23#define MECR		(SMEMC_VIRT + 0x14)  /* Expansion Memory (PCMCIA/Compact Flash) Bus Configuration */
24#define SXLCR		(SMEMC_VIRT + 0x18)  /* LCR value to be written to SDRAM-Timing Synchronous Flash */
25#define SXCNFG		(SMEMC_VIRT + 0x1C)  /* Synchronous Static Memory Control Register */
26#define SXMRS		(SMEMC_VIRT + 0x24)  /* MRS value to be written to Synchronous Flash or SMROM */
27#define MCMEM0		(SMEMC_VIRT + 0x28)  /* Card interface Common Memory Space Socket 0 Timing */
28#define MCMEM1		(SMEMC_VIRT + 0x2C)  /* Card interface Common Memory Space Socket 1 Timing */
29#define MCATT0		(SMEMC_VIRT + 0x30)  /* Card interface Attribute Space Socket 0 Timing Configuration */
30#define MCATT1		(SMEMC_VIRT + 0x34)  /* Card interface Attribute Space Socket 1 Timing Configuration */
31#define MCIO0		(SMEMC_VIRT + 0x38)  /* Card interface I/O Space Socket 0 Timing Configuration */
32#define MCIO1		(SMEMC_VIRT + 0x3C)  /* Card interface I/O Space Socket 1 Timing Configuration */
33#define MDMRS		(SMEMC_VIRT + 0x40)  /* MRS value to be written to SDRAM */
34#define BOOT_DEF	(SMEMC_VIRT + 0x44)  /* Read-Only Boot-Time Register. Contains BOOT_SEL and PKG_SEL */
35#define MEMCLKCFG	(SMEMC_VIRT + 0x68)  /* Clock Configuration */
36#define CSADRCFG0	(SMEMC_VIRT + 0x80)  /* Address Configuration Register for CS0 */
37#define CSADRCFG1	(SMEMC_VIRT + 0x84)  /* Address Configuration Register for CS1 */
38#define CSADRCFG2	(SMEMC_VIRT + 0x88)  /* Address Configuration Register for CS2 */
39#define CSADRCFG3	(SMEMC_VIRT + 0x8C)  /* Address Configuration Register for CS3 */
40#define CSMSADRCFG	(SMEMC_VIRT + 0xA0)  /* Chip Select Configuration Register */
41
42/*
43 * More handy macros for PCMCIA
44 *
45 * Arg is socket number
46 */
47#define MCMEM(s)	(SMEMC_VIRT + 0x28 + ((s)<<2))  /* Card interface Common Memory Space Socket s Timing */
48#define MCATT(s)	(SMEMC_VIRT + 0x30 + ((s)<<2))  /* Card interface Attribute Space Socket s Timing Configuration */
49#define MCIO(s)		(SMEMC_VIRT + 0x38 + ((s)<<2))  /* Card interface I/O Space Socket s Timing Configuration */
50
51/* MECR register defines */
52#define MECR_NOS	(1 << 0)	/* Number Of Sockets: 0 -> 1 sock, 1 -> 2 sock */
53#define MECR_CIT	(1 << 1)	/* Card Is There: 0 -> no card, 1 -> card inserted */
54
55#define MDCNFG_DE0	(1 << 0)	/* SDRAM Bank 0 Enable */
56#define MDCNFG_DE1	(1 << 1)	/* SDRAM Bank 1 Enable */
57#define MDCNFG_DE2	(1 << 16)	/* SDRAM Bank 2 Enable */
58#define MDCNFG_DE3	(1 << 17)	/* SDRAM Bank 3 Enable */
59
60#define MDREFR_K0DB4	(1 << 29)	/* SDCLK0 Divide by 4 Control/Status */
61#define MDREFR_K2FREE	(1 << 25)	/* SDRAM Free-Running Control */
62#define MDREFR_K1FREE	(1 << 24)	/* SDRAM Free-Running Control */
63#define MDREFR_K0FREE	(1 << 23)	/* SDRAM Free-Running Control */
64#define MDREFR_SLFRSH	(1 << 22)	/* SDRAM Self-Refresh Control/Status */
65#define MDREFR_APD	(1 << 20)	/* SDRAM/SSRAM Auto-Power-Down Enable */
66#define MDREFR_K2DB2	(1 << 19)	/* SDCLK2 Divide by 2 Control/Status */
67#define MDREFR_K2RUN	(1 << 18)	/* SDCLK2 Run Control/Status */
68#define MDREFR_K1DB2	(1 << 17)	/* SDCLK1 Divide by 2 Control/Status */
69#define MDREFR_K1RUN	(1 << 16)	/* SDCLK1 Run Control/Status */
70#define MDREFR_E1PIN	(1 << 15)	/* SDCKE1 Level Control/Status */
71#define MDREFR_K0DB2	(1 << 14)	/* SDCLK0 Divide by 2 Control/Status */
72#define MDREFR_K0RUN	(1 << 13)	/* SDCLK0 Run Control/Status */
73#define MDREFR_E0PIN	(1 << 12)	/* SDCKE0 Level Control/Status */
74
75#endif
76