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 |
73 | |