/* * SD Association Host Standard Specification v2.0 controller emulation * * Copyright (c) 2011 Samsung Electronics Co., Ltd. * Mitsyanko Igor * Peter A.G. Crosthwaite * * Based on MMC controller for Samsung S5PC1xx-based board emulation * by Alexey Merkulov and Vladimir Monakhov. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see . */ #ifndef SDHCI_INTERNAL_H #define SDHCI_INTERNAL_H #include "hw/registerfields.h" /* R/W SDMA System Address register 0x0 */ #define SDHC_SYSAD 0x00 /* R/W Host DMA Buffer Boundary and Transfer Block Size Register 0x0 */ #define SDHC_BLKSIZE 0x04 /* R/W Blocks count for current transfer 0x0 */ #define SDHC_BLKCNT 0x06 /* R/W Command Argument Register 0x0 */ #define SDHC_ARGUMENT 0x08 /* R/W Transfer Mode Setting Register 0x0 */ #define SDHC_TRNMOD 0x0C #define SDHC_TRNS_DMA 0x0001 #define SDHC_TRNS_BLK_CNT_EN 0x0002 #define SDHC_TRNS_ACMD12 0x0004 #define SDHC_TRNS_READ 0x0010 #define SDHC_TRNS_MULTI 0x0020 #define SDHC_TRNMOD_MASK 0x0037 /* R/W Command Register 0x0 */ #define SDHC_CMDREG 0x0E #define SDHC_CMD_RSP_WITH_BUSY (3 << 0) #define SDHC_CMD_DATA_PRESENT (1 << 5) #define SDHC_CMD_SUSPEND (1 << 6) #define SDHC_CMD_RESUME (1 << 7) #define SDHC_CMD_ABORT ((1 << 6)|(1 << 7)) #define SDHC_CMD_TYPE_MASK ((1 << 6)|(1 << 7)) #define SDHC_COMMAND_TYPE(x) ((x) & SDHC_CMD_TYPE_MASK) /* ROC Response Register 0 0x0 */ #define SDHC_RSPREG0 0x10 /* ROC Response Register 1 0x0 */ #define SDHC_RSPREG1 0x14 /* ROC Response Register 2 0x0 */ #define SDHC_RSPREG2 0x18 /* ROC Response Register 3 0x0 */ #define SDHC_RSPREG3 0x1C /* R/W Buffer Data Register 0x0 */ #define SDHC_BDATA 0x20 /* R/ROC Present State Register 0x000A0000 */ #define SDHC_PRNSTS 0x24 #define SDHC_CMD_INHIBIT 0x00000001 #define SDHC_DATA_INHIBIT 0x00000002 #define SDHC_DAT_LINE_ACTIVE 0x00000004 #define SDHC_DOING_WRITE 0x00000100 #define SDHC_DOING_READ 0x00000200 #define SDHC_SPACE_AVAILABLE 0x00000400 #define SDHC_DATA_AVAILABLE 0x00000800 #define SDHC_CARD_PRESENT 0x00010000 #define SDHC_CARD_DETECT 0x00040000 #define SDHC_WRITE_PROTECT 0x00080000 #define TRANSFERRING_DATA(x) \ ((x) & (SDHC_DOING_READ | SDHC_DOING_WRITE)) /* R/W Host control Register 0x0 */ #define SDHC_HOSTCTL 0x28 #define SDHC_CTRL_LED 0x01 #define SDHC_CTRL_DATATRANSFERWIDTH 0x02 /* SD mode only */ #define SDHC_CTRL_HIGH_SPEED 0x04 #define SDHC_CTRL_DMA_CHECK_MASK 0x18 #define SDHC_CTRL_SDMA 0x00 #define SDHC_CTRL_ADMA1_32 0x08 /* NOT ALLOWED since v2 */ #define SDHC_CTRL_ADMA2_32 0x10 #define SDHC_CTRL_ADMA2_64 0x18 #define SDHC_DMA_TYPE(x) ((x) & SDHC_CTRL_DMA_CHECK_MASK) #define SDHC_CTRL_4BITBUS 0x02 #define SDHC_CTRL_8BITBUS 0x20 #define SDHC_CTRL_CDTEST_INS 0x40 #define SDHC_CTRL_CDTEST_EN 0x80 /* R/W Power Control Register 0x0 */ #define SDHC_PWRCON 0x29 #define SDHC_POWER_ON (1 << 0) FIELD(SDHC_PWRCON, BUS_VOLTAGE, 1, 3); /* R/W Block Gap Control Register 0x0 */ #define SDHC_BLKGAP 0x2A #define SDHC_STOP_AT_GAP_REQ 0x01 #define SDHC_CONTINUE_REQ 0x02 /* R/W WakeUp Control Register 0x0 */ #define SDHC_WAKCON 0x2B #define SDHC_WKUP_ON_INS (1 << 1) #define SDHC_WKUP_ON_RMV (1 << 2) /* CLKCON */ #define SDHC_CLKCON 0x2C #define SDHC_CLOCK_INT_STABLE 0x0002 #define SDHC_CLOCK_INT_EN 0x0001 #define SDHC_CLOCK_SDCLK_EN (1 << 2) #define SDHC_CLOCK_CHK_MASK 0x0007 #define SDHC_CLOCK_IS_ON(x) \ (((x) & SDHC_CLOCK_CHK_MASK) == SDHC_CLOCK_CHK_MASK) /* R/W Timeout Control Register 0x0 */ #define SDHC_TIMEOUTCON 0x2E FIELD(SDHC_TIMEOUTCON, COUNTER, 0, 4); /* R/W Software Reset Register 0x0 */ #define SDHC_SWRST 0x2F #define SDHC_RESET_ALL 0x01 #define SDHC_RESET_CMD 0x02 #define SDHC_RESET_DATA 0x04 /* ROC/RW1C Normal Interrupt Status Register 0x0 */ #define SDHC_NORINTSTS 0x30 #define SDHC_NIS_ERR 0x8000 #define SDHC_NIS_CMDCMP 0x0001 #define SDHC_NIS_TRSCMP 0x0002 #define SDHC_NIS_BLKGAP 0x0004 #define SDHC_NIS_DMA 0x0008 #define SDHC_NIS_WBUFRDY 0x0010 #define SDHC_NIS_RBUFRDY 0x0020 #define SDHC_NIS_INSERT 0x0040 #define SDHC_NIS_REMOVE 0x0080 #define SDHC_NIS_CARDINT 0x0100 /* ROC/RW1C Error Interrupt Status Register 0x0 */ #define SDHC_ERRINTSTS 0x32 #define SDHC_EIS_CMDTIMEOUT 0x0001 #define SDHC_EIS_BLKGAP 0x0004 #define SDHC_EIS_CMDIDX 0x0008 #define SDHC_EIS_CMD12ERR 0x0100 #define SDHC_EIS_ADMAERR 0x0200 /* R/W Normal Interrupt Status Enable Register 0x0 */ #define SDHC_NORINTSTSEN 0x34 #define SDHC_NISEN_CMDCMP 0x0001 #define SDHC_NISEN_TRSCMP 0x0002 #define SDHC_NISEN_DMA 0x0008 #define SDHC_NISEN_WBUFRDY 0x0010 #define SDHC_NISEN_RBUFRDY 0x0020 #define SDHC_NISEN_INSERT 0x0040 #define SDHC_NISEN_REMOVE 0x0080 #define SDHC_NISEN_CARDINT 0x0100 /* R/W Error Interrupt Status Enable Register 0x0 */ #define SDHC_ERRINTSTSEN 0x36 #define SDHC_EISEN_CMDTIMEOUT 0x0001 #define SDHC_EISEN_BLKGAP 0x0004 #define SDHC_EISEN_CMDIDX 0x0008 #define SDHC_EISEN_ADMAERR 0x0200 /* R/W Normal Interrupt Signal Enable Register 0x0 */ #define SDHC_NORINTSIGEN 0x38 #define SDHC_NORINTSIG_INSERT (1 << 6) #define SDHC_NORINTSIG_REMOVE (1 << 7) /* R/W Error Interrupt Signal Enable Register 0x0 */ #define SDHC_ERRINTSIGEN 0x3A /* ROC Auto CMD12 error status register 0x0 */ #define SDHC_ACMD12ERRSTS 0x3C FIELD(SDHC_ACMD12ERRSTS, TIMEOUT_ERR, 1, 1); FIELD(SDHC_ACMD12ERRSTS, CRC_ERR, 2, 1); FIELD(SDHC_ACMD12ERRSTS, INDEX_ERR, 4, 1); /* HWInit Capabilities Register 0x05E80080 */ #define SDHC_CAPAB 0x40 FIELD(SDHC_CAPAB, TOCLKFREQ, 0, 6); FIELD(SDHC_CAPAB, TOUNIT, 7, 1); FIELD(SDHC_CAPAB, BASECLKFREQ, 8, 8); FIELD(SDHC_CAPAB, MAXBLOCKLENGTH, 16, 2); FIELD(SDHC_CAPAB, ADMA2, 19, 1); /* since v2 */ FIELD(SDHC_CAPAB, ADMA1, 20, 1); /* v1 only? */ FIELD(SDHC_CAPAB, HIGHSPEED, 21, 1); FIELD(SDHC_CAPAB, SDMA, 22, 1); FIELD(SDHC_CAPAB, SUSPRESUME, 23, 1); FIELD(SDHC_CAPAB, V33, 24, 1); FIELD(SDHC_CAPAB, V30, 25, 1); FIELD(SDHC_CAPAB, V18, 26, 1); FIELD(SDHC_CAPAB, BUS64BIT, 28, 1); /* since v2 */ /* HWInit Maximum Current Capabilities Register 0x0 */ #define SDHC_MAXCURR 0x48 FIELD(SDHC_MAXCURR, V33_VDD1, 0, 8); FIELD(SDHC_MAXCURR, V30_VDD1, 8, 8); FIELD(SDHC_MAXCURR, V18_VDD1, 16, 8); /* W Force Event Auto CMD12 Error Interrupt Register 0x0000 */ #define SDHC_FEAER 0x50 /* W Force Event Error Interrupt Register Error Interrupt 0x0000 */ #define SDHC_FEERR 0x52 /* R/W ADMA Error Status Register 0x00 */ #define SDHC_ADMAERR 0x54 #define SDHC_ADMAERR_LENGTH_MISMATCH (1 << 2) #define SDHC_ADMAERR_STATE_ST_STOP (0 << 0) #define SDHC_ADMAERR_STATE_ST_FDS (1 << 0) #define SDHC_ADMAERR_STATE_ST_TFR (3 << 0) #define SDHC_ADMAERR_STATE_MASK (3 << 0) /* R/W ADMA System Address Register 0x00 */ #define SDHC_ADMASYSADDR 0x58 #define SDHC_ADMA_ATTR_SET_LEN (1 << 4) #define SDHC_ADMA_ATTR_ACT_TRAN (1 << 5) #define SDHC_ADMA_ATTR_ACT_LINK (3 << 4) #define SDHC_ADMA_ATTR_INT (1 << 2) #define SDHC_ADMA_ATTR_END (1 << 1) #define SDHC_ADMA_ATTR_VALID (1 << 0) #define SDHC_ADMA_ATTR_ACT_MASK ((1 << 4)|(1 << 5)) /* Slot interrupt status */ #define SDHC_SLOT_INT_STATUS 0xFC /* HWInit Host Controller Version Register */ #define SDHC_HCVER 0xFE #define SDHC_HCVER_VENDOR 0x24 #define SDHC_REGISTERS_MAP_SIZE 0x100 #define SDHC_INSERTION_DELAY (NANOSECONDS_PER_SECOND) #define SDHC_TRANSFER_DELAY 100 #define SDHC_ADMA_DESCS_PER_DELAY 5 #define SDHC_CMD_RESPONSE (3 << 0) enum { sdhc_not_stopped = 0, /* normal SDHC state */ sdhc_gap_read = 1, /* SDHC stopped at block gap during read operation */ sdhc_gap_write = 2 /* SDHC stopped at block gap during write operation */ }; extern const VMStateDescription sdhci_vmstate; #define ESDHC_MIX_CTRL 0x48 #define ESDHC_VENDOR_SPEC 0xc0 #define ESDHC_DLL_CTRL 0x60 #define ESDHC_TUNING_CTRL 0xcc #define ESDHC_TUNE_CTRL_STATUS 0x68 #define ESDHC_WTMK_LVL 0x44 /* Undocumented register used by guests working around erratum ERR004536 */ #define ESDHC_UNDOCUMENTED_REG27 0x6c #define ESDHC_CTRL_4BITBUS (0x1 << 1) #define ESDHC_CTRL_8BITBUS (0x2 << 1) #endif