| /* |
| * SD Association Host Standard Specification v2.0 controller emulation |
| * |
| * Copyright (c) 2011 Samsung Electronics Co., Ltd. |
| * Mitsyanko Igor <i.mitsyanko@samsung.com> |
| * Peter A.G. Crosthwaite <peter.crosthwaite@petalogix.com> |
| * |
| * 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 <http://www.gnu.org/licenses/>. |
| */ |
| #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_ACMD23 0x0008 /* since v3 */ |
| #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_IMX_CLOCK_GATE_OFF 0x00000080 |
| #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 |
| FIELD(SDHC_PRNSTS, DAT_LVL, 20, 4); |
| FIELD(SDHC_PRNSTS, CMD_LVL, 24, 1); |
| #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); |
| |
| /* Host Control Register 2 (since v3) */ |
| #define SDHC_HOSTCTL2 0x3E |
| FIELD(SDHC_HOSTCTL2, UHS_MODE_SEL, 0, 3); |
| FIELD(SDHC_HOSTCTL2, V18_ENA, 3, 1); /* UHS-I only */ |
| FIELD(SDHC_HOSTCTL2, DRIVER_STRENGTH, 4, 2); /* UHS-I only */ |
| FIELD(SDHC_HOSTCTL2, EXECUTE_TUNING, 6, 1); /* UHS-I only */ |
| FIELD(SDHC_HOSTCTL2, SAMPLING_CLKSEL, 7, 1); /* UHS-I only */ |
| FIELD(SDHC_HOSTCTL2, UHS_II_ENA, 8, 1); /* since v4 */ |
| FIELD(SDHC_HOSTCTL2, ADMA2_LENGTH, 10, 1); /* since v4 */ |
| FIELD(SDHC_HOSTCTL2, CMD23_ENA, 11, 1); /* since v4 */ |
| FIELD(SDHC_HOSTCTL2, VERSION4, 12, 1); /* since v4 */ |
| FIELD(SDHC_HOSTCTL2, ASYNC_INT, 14, 1); |
| FIELD(SDHC_HOSTCTL2, PRESET_ENA, 15, 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, EMBEDDED_8BIT, 18, 1); /* since v3 */ |
| 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_V4, 27, 1); /* since v4.10 */ |
| FIELD(SDHC_CAPAB, BUS64BIT, 28, 1); /* since v2 */ |
| FIELD(SDHC_CAPAB, ASYNC_INT, 29, 1); /* since v3 */ |
| FIELD(SDHC_CAPAB, SLOT_TYPE, 30, 2); /* since v3 */ |
| FIELD(SDHC_CAPAB, BUS_SPEED, 32, 3); /* since v3 */ |
| FIELD(SDHC_CAPAB, UHS_II, 35, 8); /* since v4.20 */ |
| FIELD(SDHC_CAPAB, DRIVER_STRENGTH, 36, 3); /* since v3 */ |
| FIELD(SDHC_CAPAB, DRIVER_TYPE_A, 36, 1); /* since v3 */ |
| FIELD(SDHC_CAPAB, DRIVER_TYPE_C, 37, 1); /* since v3 */ |
| FIELD(SDHC_CAPAB, DRIVER_TYPE_D, 38, 1); /* since v3 */ |
| FIELD(SDHC_CAPAB, TIMER_RETUNING, 40, 4); /* since v3 */ |
| FIELD(SDHC_CAPAB, SDR50_TUNING, 45, 1); /* since v3 */ |
| FIELD(SDHC_CAPAB, RETUNING_MODE, 46, 2); /* since v3 */ |
| FIELD(SDHC_CAPAB, CLOCK_MULT, 48, 8); /* since v3 */ |
| FIELD(SDHC_CAPAB, ADMA3, 59, 1); /* since v4.20 */ |
| FIELD(SDHC_CAPAB, V18_VDD2, 60, 1); /* since v4.20 */ |
| |
| /* 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); |
| FIELD(SDHC_MAXCURR, V18_VDD2, 32, 8); /* since v4.20 */ |
| |
| /* 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; |
| |
| /* |
| * Default SD/MMC host controller features information, which will be |
| * presented in CAPABILITIES register of generic SD host controller at reset. |
| * |
| * support: |
| * - 3.3v and 1.8v voltages |
| * - SDMA/ADMA1/ADMA2 |
| * - high-speed |
| * max host controller R/W buffers size: 512B |
| * max clock frequency for SDclock: 52 MHz |
| * timeout clock frequency: 52 MHz |
| * |
| * does not support: |
| * - 3.0v voltage |
| * - 64-bit system bus |
| * - suspend/resume |
| */ |
| #define SDHC_CAPAB_REG_DEFAULT 0x057834b4 |
| |
| #define DEFINE_SDHCI_COMMON_PROPERTIES(_state) \ |
| DEFINE_PROP_UINT8("endianness", _state, endianness, DEVICE_LITTLE_ENDIAN), \ |
| DEFINE_PROP_UINT8("sd-spec-version", _state, sd_spec_version, 2), \ |
| DEFINE_PROP_UINT8("uhs", _state, uhs_mode, UHS_NOT_SUPPORTED), \ |
| DEFINE_PROP_UINT8("vendor", _state, vendor, SDHCI_VENDOR_NONE), \ |
| \ |
| /* Capabilities registers provide information on supported |
| * features of this specific host controller implementation */ \ |
| DEFINE_PROP_UINT64("capareg", _state, capareg, SDHC_CAPAB_REG_DEFAULT), \ |
| DEFINE_PROP_UINT64("maxcurr", _state, maxcurr, 0) |
| |
| void sdhci_initfn(SDHCIState *s); |
| void sdhci_uninitfn(SDHCIState *s); |
| void sdhci_common_realize(SDHCIState *s, Error **errp); |
| void sdhci_common_unrealize(SDHCIState *s); |
| void sdhci_common_class_init(ObjectClass *klass, const void *data); |
| |
| #endif |
