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7d2be074 HS |
1 | /* |
2 | * Atmel MultiMedia Card Interface driver | |
3 | * | |
4 | * Copyright (C) 2004-2006 Atmel Corporation | |
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 | */ | |
19911895 NF |
10 | |
11 | /* | |
12 | * Superset of MCI IP registers integrated in Atmel AVR32 and AT91 Processors | |
7f72134c | 13 | * Registers and bitfields marked with [2] are only available in MCI2 |
19911895 NF |
14 | */ |
15 | ||
7d2be074 HS |
16 | #ifndef __DRIVERS_MMC_ATMEL_MCI_H__ |
17 | #define __DRIVERS_MMC_ATMEL_MCI_H__ | |
18 | ||
19 | /* MCI Register Definitions */ | |
2c96a293 | 20 | #define ATMCI_CR 0x0000 /* Control */ |
b9867f37 | 21 | # define ATMCI_CR_MCIEN ( 1 << 0) /* MCI Enable */ |
2c96a293 | 22 | # define ATMCI_CR_MCIDIS ( 1 << 1) /* MCI Disable */ |
b9867f37 | 23 | # define ATMCI_CR_PWSEN ( 1 << 2) /* Power Save Enable */ |
2c96a293 | 24 | # define ATMCI_CR_PWSDIS ( 1 << 3) /* Power Save Disable */ |
b9867f37 | 25 | # define ATMCI_CR_SWRST ( 1 << 7) /* Software Reset */ |
2c96a293 | 26 | #define ATMCI_MR 0x0004 /* Mode */ |
b9867f37 LD |
27 | # define ATMCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */ |
28 | # define ATMCI_MR_PWSDIV(x) ((x) << 8) /* Power Saving Divider */ | |
2c96a293 LD |
29 | # define ATMCI_MR_RDPROOF ( 1 << 11) /* Read Proof */ |
30 | # define ATMCI_MR_WRPROOF ( 1 << 12) /* Write Proof */ | |
b9867f37 | 31 | # define ATMCI_MR_PDCFBYTE ( 1 << 13) /* Force Byte Transfer */ |
2c96a293 LD |
32 | # define ATMCI_MR_PDCPADV ( 1 << 14) /* Padding Value */ |
33 | # define ATMCI_MR_PDCMODE ( 1 << 15) /* PDC-oriented Mode */ | |
faf8180b | 34 | # define ATMCI_MR_CLKODD(x) ((x) << 16) /* LSB of Clock Divider */ |
b9867f37 | 35 | #define ATMCI_DTOR 0x0008 /* Data Timeout */ |
2c96a293 LD |
36 | # define ATMCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */ |
37 | # define ATMCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */ | |
b9867f37 LD |
38 | #define ATMCI_SDCR 0x000c /* SD Card / SDIO */ |
39 | # define ATMCI_SDCSEL_SLOT_A ( 0 << 0) /* Select SD slot A */ | |
40 | # define ATMCI_SDCSEL_SLOT_B ( 1 << 0) /* Select SD slot A */ | |
41 | # define ATMCI_SDCSEL_MASK ( 3 << 0) | |
42 | # define ATMCI_SDCBUS_1BIT ( 0 << 6) /* 1-bit data bus */ | |
43 | # define ATMCI_SDCBUS_4BIT ( 2 << 6) /* 4-bit data bus */ | |
44 | # define ATMCI_SDCBUS_8BIT ( 3 << 6) /* 8-bit data bus[2] */ | |
45 | # define ATMCI_SDCBUS_MASK ( 3 << 6) | |
46 | #define ATMCI_ARGR 0x0010 /* Command Argument */ | |
47 | #define ATMCI_CMDR 0x0014 /* Command */ | |
48 | # define ATMCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */ | |
49 | # define ATMCI_CMDR_RSPTYP_NONE ( 0 << 6) /* No response */ | |
2c96a293 LD |
50 | # define ATMCI_CMDR_RSPTYP_48BIT ( 1 << 6) /* 48-bit response */ |
51 | # define ATMCI_CMDR_RSPTYP_136BIT ( 2 << 6) /* 136-bit response */ | |
b9867f37 LD |
52 | # define ATMCI_CMDR_SPCMD_INIT ( 1 << 8) /* Initialization command */ |
53 | # define ATMCI_CMDR_SPCMD_SYNC ( 2 << 8) /* Synchronized command */ | |
54 | # define ATMCI_CMDR_SPCMD_INT ( 4 << 8) /* Interrupt command */ | |
2c96a293 | 55 | # define ATMCI_CMDR_SPCMD_INTRESP ( 5 << 8) /* Interrupt response */ |
b9867f37 LD |
56 | # define ATMCI_CMDR_OPDCMD ( 1 << 11) /* Open Drain */ |
57 | # define ATMCI_CMDR_MAXLAT_5CYC ( 0 << 12) /* Max latency 5 cycles */ | |
2c96a293 | 58 | # define ATMCI_CMDR_MAXLAT_64CYC ( 1 << 12) /* Max latency 64 cycles */ |
b9867f37 LD |
59 | # define ATMCI_CMDR_START_XFER ( 1 << 16) /* Start data transfer */ |
60 | # define ATMCI_CMDR_STOP_XFER ( 2 << 16) /* Stop data transfer */ | |
61 | # define ATMCI_CMDR_TRDIR_WRITE ( 0 << 18) /* Write data */ | |
62 | # define ATMCI_CMDR_TRDIR_READ ( 1 << 18) /* Read data */ | |
2c96a293 | 63 | # define ATMCI_CMDR_BLOCK ( 0 << 19) /* Single-block transfer */ |
b9867f37 LD |
64 | # define ATMCI_CMDR_MULTI_BLOCK ( 1 << 19) /* Multi-block transfer */ |
65 | # define ATMCI_CMDR_STREAM ( 2 << 19) /* MMC Stream transfer */ | |
66 | # define ATMCI_CMDR_SDIO_BYTE ( 4 << 19) /* SDIO Byte transfer */ | |
67 | # define ATMCI_CMDR_SDIO_BLOCK ( 5 << 19) /* SDIO Block transfer */ | |
2c96a293 | 68 | # define ATMCI_CMDR_SDIO_SUSPEND ( 1 << 24) /* SDIO Suspend Command */ |
b9867f37 LD |
69 | # define ATMCI_CMDR_SDIO_RESUME ( 2 << 24) /* SDIO Resume Command */ |
70 | #define ATMCI_BLKR 0x0018 /* Block */ | |
71 | # define ATMCI_BCNT(x) ((x) << 0) /* Data Block Count */ | |
2c96a293 | 72 | # define ATMCI_BLKLEN(x) ((x) << 16) /* Data Block Length */ |
b9867f37 | 73 | #define ATMCI_CSTOR 0x001c /* Completion Signal Timeout[2] */ |
2c96a293 LD |
74 | # define ATMCI_CSTOCYC(x) ((x) << 0) /* CST cycles */ |
75 | # define ATMCI_CSTOMUL(x) ((x) << 4) /* CST multiplier */ | |
b9867f37 LD |
76 | #define ATMCI_RSPR 0x0020 /* Response 0 */ |
77 | #define ATMCI_RSPR1 0x0024 /* Response 1 */ | |
78 | #define ATMCI_RSPR2 0x0028 /* Response 2 */ | |
79 | #define ATMCI_RSPR3 0x002c /* Response 3 */ | |
2c96a293 LD |
80 | #define ATMCI_RDR 0x0030 /* Receive Data */ |
81 | #define ATMCI_TDR 0x0034 /* Transmit Data */ | |
82 | #define ATMCI_SR 0x0040 /* Status */ | |
83 | #define ATMCI_IER 0x0044 /* Interrupt Enable */ | |
84 | #define ATMCI_IDR 0x0048 /* Interrupt Disable */ | |
85 | #define ATMCI_IMR 0x004c /* Interrupt Mask */ | |
b9867f37 LD |
86 | # define ATMCI_CMDRDY ( 1 << 0) /* Command Ready */ |
87 | # define ATMCI_RXRDY ( 1 << 1) /* Receiver Ready */ | |
88 | # define ATMCI_TXRDY ( 1 << 2) /* Transmitter Ready */ | |
89 | # define ATMCI_BLKE ( 1 << 3) /* Data Block Ended */ | |
90 | # define ATMCI_DTIP ( 1 << 4) /* Data Transfer In Progress */ | |
91 | # define ATMCI_NOTBUSY ( 1 << 5) /* Data Not Busy */ | |
796211b7 LD |
92 | # define ATMCI_ENDRX ( 1 << 6) /* End of RX Buffer */ |
93 | # define ATMCI_ENDTX ( 1 << 7) /* End of TX Buffer */ | |
b9867f37 LD |
94 | # define ATMCI_SDIOIRQA ( 1 << 8) /* SDIO IRQ in slot A */ |
95 | # define ATMCI_SDIOIRQB ( 1 << 9) /* SDIO IRQ in slot B */ | |
796211b7 LD |
96 | # define ATMCI_SDIOWAIT ( 1 << 12) /* SDIO Read Wait Operation Status */ |
97 | # define ATMCI_CSRCV ( 1 << 13) /* CE-ATA Completion Signal Received */ | |
98 | # define ATMCI_RXBUFF ( 1 << 14) /* RX Buffer Full */ | |
99 | # define ATMCI_TXBUFE ( 1 << 15) /* TX Buffer Empty */ | |
b9867f37 LD |
100 | # define ATMCI_RINDE ( 1 << 16) /* Response Index Error */ |
101 | # define ATMCI_RDIRE ( 1 << 17) /* Response Direction Error */ | |
102 | # define ATMCI_RCRCE ( 1 << 18) /* Response CRC Error */ | |
103 | # define ATMCI_RENDE ( 1 << 19) /* Response End Bit Error */ | |
104 | # define ATMCI_RTOE ( 1 << 20) /* Response Time-Out Error */ | |
105 | # define ATMCI_DCRCE ( 1 << 21) /* Data CRC Error */ | |
106 | # define ATMCI_DTOE ( 1 << 22) /* Data Time-Out Error */ | |
796211b7 LD |
107 | # define ATMCI_CSTOE ( 1 << 23) /* Completion Signal Time-out Error */ |
108 | # define ATMCI_BLKOVRE ( 1 << 24) /* DMA Block Overrun Error */ | |
109 | # define ATMCI_DMADONE ( 1 << 25) /* DMA Transfer Done */ | |
110 | # define ATMCI_FIFOEMPTY ( 1 << 26) /* FIFO Empty Flag */ | |
111 | # define ATMCI_XFRDONE ( 1 << 27) /* Transfer Done Flag */ | |
112 | # define ATMCI_ACKRCV ( 1 << 28) /* Boot Operation Acknowledge Received */ | |
113 | # define ATMCI_ACKRCVE ( 1 << 29) /* Boot Operation Acknowledge Error */ | |
b9867f37 LD |
114 | # define ATMCI_OVRE ( 1 << 30) /* RX Overrun Error */ |
115 | # define ATMCI_UNRE ( 1 << 31) /* TX Underrun Error */ | |
2c96a293 | 116 | #define ATMCI_DMA 0x0050 /* DMA Configuration[2] */ |
b9867f37 LD |
117 | # define ATMCI_DMA_OFFSET(x) ((x) << 0) /* DMA Write Buffer Offset */ |
118 | # define ATMCI_DMA_CHKSIZE(x) ((x) << 4) /* DMA Channel Read and Write Chunk Size */ | |
119 | # define ATMCI_DMAEN ( 1 << 8) /* DMA Hardware Handshaking Enable */ | |
2c96a293 LD |
120 | #define ATMCI_CFG 0x0054 /* Configuration[2] */ |
121 | # define ATMCI_CFG_FIFOMODE_1DATA ( 1 << 0) /* MCI Internal FIFO control mode */ | |
b9867f37 | 122 | # define ATMCI_CFG_FERRCTRL_COR ( 1 << 4) /* Flow Error flag reset control mode */ |
2c96a293 LD |
123 | # define ATMCI_CFG_HSMODE ( 1 << 8) /* High Speed Mode */ |
124 | # define ATMCI_CFG_LSYNC ( 1 << 12) /* Synchronize on the last block */ | |
b9867f37 LD |
125 | #define ATMCI_WPMR 0x00e4 /* Write Protection Mode[2] */ |
126 | # define ATMCI_WP_EN ( 1 << 0) /* WP Enable */ | |
127 | # define ATMCI_WP_KEY (0x4d4349 << 8) /* WP Key */ | |
128 | #define ATMCI_WPSR 0x00e8 /* Write Protection Status[2] */ | |
129 | # define ATMCI_GET_WP_VS(x) ((x) & 0x0f) | |
130 | # define ATMCI_GET_WP_VSRC(x) (((x) >> 8) & 0xffff) | |
796211b7 | 131 | #define ATMCI_VERSION 0x00FC /* Version */ |
b9867f37 | 132 | #define ATMCI_FIFO_APERTURE 0x0200 /* FIFO Aperture[2] */ |
7d2be074 | 133 | |
7f72134c | 134 | /* This is not including the FIFO Aperture on MCI2 */ |
2c96a293 | 135 | #define ATMCI_REGS_SIZE 0x100 |
deec9ae3 | 136 | |
7d2be074 | 137 | /* Register access macros */ |
2c96a293 | 138 | #define atmci_readl(port,reg) \ |
03fc9a7f | 139 | __raw_readl((port)->regs + reg) |
2c96a293 | 140 | #define atmci_writel(port,reg,value) \ |
03fc9a7f | 141 | __raw_writel((value), (port)->regs + reg) |
7d2be074 HS |
142 | |
143 | #endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ |