2013-02-28 19:23:14 +01:00
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/*
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* SD Association Host Standard Specification v2.0 controller emulation
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* Mitsyanko Igor <i.mitsyanko@samsung.com>
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* Peter A.G. Crosthwaite <peter.crosthwaite@petalogix.com>
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*
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* Based on MMC controller for Samsung S5PC1xx-based board emulation
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* by Alexey Merkulov and Vladimir Monakhov.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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2015-10-08 15:21:02 +02:00
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#ifndef SDHCI_INTERNAL_H
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#define SDHCI_INTERNAL_H
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2013-02-28 19:23:14 +01:00
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2018-02-08 17:47:57 +01:00
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#include "hw/registerfields.h"
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2013-02-28 19:23:14 +01:00
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/* R/W SDMA System Address register 0x0 */
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#define SDHC_SYSAD 0x00
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/* R/W Host DMA Buffer Boundary and Transfer Block Size Register 0x0 */
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#define SDHC_BLKSIZE 0x04
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/* R/W Blocks count for current transfer 0x0 */
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#define SDHC_BLKCNT 0x06
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/* R/W Command Argument Register 0x0 */
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#define SDHC_ARGUMENT 0x08
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/* R/W Transfer Mode Setting Register 0x0 */
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#define SDHC_TRNMOD 0x0C
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#define SDHC_TRNS_DMA 0x0001
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#define SDHC_TRNS_BLK_CNT_EN 0x0002
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#define SDHC_TRNS_ACMD12 0x0004
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2018-02-08 17:48:05 +01:00
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#define SDHC_TRNS_ACMD23 0x0008 /* since v3 */
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2013-02-28 19:23:14 +01:00
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#define SDHC_TRNS_READ 0x0010
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#define SDHC_TRNS_MULTI 0x0020
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2018-01-16 14:28:19 +01:00
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#define SDHC_TRNMOD_MASK 0x0037
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2013-02-28 19:23:14 +01:00
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/* R/W Command Register 0x0 */
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#define SDHC_CMDREG 0x0E
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#define SDHC_CMD_RSP_WITH_BUSY (3 << 0)
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#define SDHC_CMD_DATA_PRESENT (1 << 5)
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#define SDHC_CMD_SUSPEND (1 << 6)
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#define SDHC_CMD_RESUME (1 << 7)
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#define SDHC_CMD_ABORT ((1 << 6)|(1 << 7))
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#define SDHC_CMD_TYPE_MASK ((1 << 6)|(1 << 7))
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#define SDHC_COMMAND_TYPE(x) ((x) & SDHC_CMD_TYPE_MASK)
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/* ROC Response Register 0 0x0 */
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#define SDHC_RSPREG0 0x10
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/* ROC Response Register 1 0x0 */
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#define SDHC_RSPREG1 0x14
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/* ROC Response Register 2 0x0 */
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#define SDHC_RSPREG2 0x18
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/* ROC Response Register 3 0x0 */
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#define SDHC_RSPREG3 0x1C
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/* R/W Buffer Data Register 0x0 */
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#define SDHC_BDATA 0x20
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/* R/ROC Present State Register 0x000A0000 */
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#define SDHC_PRNSTS 0x24
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#define SDHC_CMD_INHIBIT 0x00000001
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#define SDHC_DATA_INHIBIT 0x00000002
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#define SDHC_DAT_LINE_ACTIVE 0x00000004
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#define SDHC_DOING_WRITE 0x00000100
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#define SDHC_DOING_READ 0x00000200
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#define SDHC_SPACE_AVAILABLE 0x00000400
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#define SDHC_DATA_AVAILABLE 0x00000800
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#define SDHC_CARD_PRESENT 0x00010000
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#define SDHC_CARD_DETECT 0x00040000
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#define SDHC_WRITE_PROTECT 0x00080000
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2018-02-08 17:48:10 +01:00
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FIELD(SDHC_PRNSTS, DAT_LVL, 20, 4);
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FIELD(SDHC_PRNSTS, CMD_LVL, 24, 1);
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2013-02-28 19:23:14 +01:00
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#define TRANSFERRING_DATA(x) \
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((x) & (SDHC_DOING_READ | SDHC_DOING_WRITE))
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/* R/W Host control Register 0x0 */
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#define SDHC_HOSTCTL 0x28
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2018-02-09 11:40:29 +01:00
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#define SDHC_CTRL_LED 0x01
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2018-02-08 17:47:58 +01:00
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#define SDHC_CTRL_DATATRANSFERWIDTH 0x02 /* SD mode only */
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#define SDHC_CTRL_HIGH_SPEED 0x04
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2013-02-28 19:23:14 +01:00
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#define SDHC_CTRL_DMA_CHECK_MASK 0x18
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#define SDHC_CTRL_SDMA 0x00
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2018-02-08 17:48:01 +01:00
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#define SDHC_CTRL_ADMA1_32 0x08 /* NOT ALLOWED since v2 */
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2013-02-28 19:23:14 +01:00
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#define SDHC_CTRL_ADMA2_32 0x10
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#define SDHC_CTRL_ADMA2_64 0x18
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#define SDHC_DMA_TYPE(x) ((x) & SDHC_CTRL_DMA_CHECK_MASK)
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2018-02-09 11:40:29 +01:00
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#define SDHC_CTRL_4BITBUS 0x02
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#define SDHC_CTRL_8BITBUS 0x20
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#define SDHC_CTRL_CDTEST_INS 0x40
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#define SDHC_CTRL_CDTEST_EN 0x80
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2013-02-28 19:23:14 +01:00
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/* R/W Power Control Register 0x0 */
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#define SDHC_PWRCON 0x29
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#define SDHC_POWER_ON (1 << 0)
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2018-02-08 17:47:58 +01:00
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FIELD(SDHC_PWRCON, BUS_VOLTAGE, 1, 3);
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2013-02-28 19:23:14 +01:00
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/* R/W Block Gap Control Register 0x0 */
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#define SDHC_BLKGAP 0x2A
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#define SDHC_STOP_AT_GAP_REQ 0x01
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#define SDHC_CONTINUE_REQ 0x02
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/* R/W WakeUp Control Register 0x0 */
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#define SDHC_WAKCON 0x2B
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#define SDHC_WKUP_ON_INS (1 << 1)
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#define SDHC_WKUP_ON_RMV (1 << 2)
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/* CLKCON */
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#define SDHC_CLKCON 0x2C
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#define SDHC_CLOCK_INT_STABLE 0x0002
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#define SDHC_CLOCK_INT_EN 0x0001
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#define SDHC_CLOCK_SDCLK_EN (1 << 2)
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#define SDHC_CLOCK_CHK_MASK 0x0007
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#define SDHC_CLOCK_IS_ON(x) \
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(((x) & SDHC_CLOCK_CHK_MASK) == SDHC_CLOCK_CHK_MASK)
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/* R/W Timeout Control Register 0x0 */
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#define SDHC_TIMEOUTCON 0x2E
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2018-02-08 17:47:58 +01:00
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FIELD(SDHC_TIMEOUTCON, COUNTER, 0, 4);
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2013-02-28 19:23:14 +01:00
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/* R/W Software Reset Register 0x0 */
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#define SDHC_SWRST 0x2F
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#define SDHC_RESET_ALL 0x01
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#define SDHC_RESET_CMD 0x02
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#define SDHC_RESET_DATA 0x04
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/* ROC/RW1C Normal Interrupt Status Register 0x0 */
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#define SDHC_NORINTSTS 0x30
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#define SDHC_NIS_ERR 0x8000
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#define SDHC_NIS_CMDCMP 0x0001
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#define SDHC_NIS_TRSCMP 0x0002
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#define SDHC_NIS_BLKGAP 0x0004
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#define SDHC_NIS_DMA 0x0008
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#define SDHC_NIS_WBUFRDY 0x0010
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#define SDHC_NIS_RBUFRDY 0x0020
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#define SDHC_NIS_INSERT 0x0040
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#define SDHC_NIS_REMOVE 0x0080
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#define SDHC_NIS_CARDINT 0x0100
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/* ROC/RW1C Error Interrupt Status Register 0x0 */
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#define SDHC_ERRINTSTS 0x32
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#define SDHC_EIS_CMDTIMEOUT 0x0001
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#define SDHC_EIS_BLKGAP 0x0004
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#define SDHC_EIS_CMDIDX 0x0008
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#define SDHC_EIS_CMD12ERR 0x0100
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#define SDHC_EIS_ADMAERR 0x0200
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/* R/W Normal Interrupt Status Enable Register 0x0 */
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#define SDHC_NORINTSTSEN 0x34
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#define SDHC_NISEN_CMDCMP 0x0001
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#define SDHC_NISEN_TRSCMP 0x0002
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#define SDHC_NISEN_DMA 0x0008
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#define SDHC_NISEN_WBUFRDY 0x0010
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#define SDHC_NISEN_RBUFRDY 0x0020
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#define SDHC_NISEN_INSERT 0x0040
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#define SDHC_NISEN_REMOVE 0x0080
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#define SDHC_NISEN_CARDINT 0x0100
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/* R/W Error Interrupt Status Enable Register 0x0 */
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#define SDHC_ERRINTSTSEN 0x36
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#define SDHC_EISEN_CMDTIMEOUT 0x0001
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#define SDHC_EISEN_BLKGAP 0x0004
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#define SDHC_EISEN_CMDIDX 0x0008
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#define SDHC_EISEN_ADMAERR 0x0200
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/* R/W Normal Interrupt Signal Enable Register 0x0 */
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#define SDHC_NORINTSIGEN 0x38
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#define SDHC_NORINTSIG_INSERT (1 << 6)
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#define SDHC_NORINTSIG_REMOVE (1 << 7)
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/* R/W Error Interrupt Signal Enable Register 0x0 */
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#define SDHC_ERRINTSIGEN 0x3A
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/* ROC Auto CMD12 error status register 0x0 */
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#define SDHC_ACMD12ERRSTS 0x3C
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2018-02-08 17:47:58 +01:00
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FIELD(SDHC_ACMD12ERRSTS, TIMEOUT_ERR, 1, 1);
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FIELD(SDHC_ACMD12ERRSTS, CRC_ERR, 2, 1);
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FIELD(SDHC_ACMD12ERRSTS, INDEX_ERR, 4, 1);
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2013-02-28 19:23:14 +01:00
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2018-02-08 17:48:07 +01:00
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/* Host Control Register 2 (since v3) */
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#define SDHC_HOSTCTL2 0x3E
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FIELD(SDHC_HOSTCTL2, UHS_MODE_SEL, 0, 3);
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FIELD(SDHC_HOSTCTL2, V18_ENA, 3, 1); /* UHS-I only */
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FIELD(SDHC_HOSTCTL2, DRIVER_STRENGTH, 4, 2); /* UHS-I only */
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FIELD(SDHC_HOSTCTL2, EXECUTE_TUNING, 6, 1); /* UHS-I only */
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FIELD(SDHC_HOSTCTL2, SAMPLING_CLKSEL, 7, 1); /* UHS-I only */
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2018-02-08 17:48:18 +01:00
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FIELD(SDHC_HOSTCTL2, UHS_II_ENA, 8, 1); /* since v4 */
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FIELD(SDHC_HOSTCTL2, ADMA2_LENGTH, 10, 1); /* since v4 */
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FIELD(SDHC_HOSTCTL2, CMD23_ENA, 11, 1); /* since v4 */
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FIELD(SDHC_HOSTCTL2, VERSION4, 12, 1); /* since v4 */
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2018-02-08 17:48:07 +01:00
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FIELD(SDHC_HOSTCTL2, ASYNC_INT, 14, 1);
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FIELD(SDHC_HOSTCTL2, PRESET_ENA, 15, 1);
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2013-02-28 19:23:14 +01:00
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/* HWInit Capabilities Register 0x05E80080 */
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2018-01-16 14:28:19 +01:00
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#define SDHC_CAPAB 0x40
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2018-02-08 17:47:58 +01:00
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FIELD(SDHC_CAPAB, TOCLKFREQ, 0, 6);
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FIELD(SDHC_CAPAB, TOUNIT, 7, 1);
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FIELD(SDHC_CAPAB, BASECLKFREQ, 8, 8);
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2018-02-08 17:47:57 +01:00
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FIELD(SDHC_CAPAB, MAXBLOCKLENGTH, 16, 2);
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2018-02-08 17:48:05 +01:00
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FIELD(SDHC_CAPAB, EMBEDDED_8BIT, 18, 1); /* since v3 */
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2018-02-08 17:48:01 +01:00
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FIELD(SDHC_CAPAB, ADMA2, 19, 1); /* since v2 */
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FIELD(SDHC_CAPAB, ADMA1, 20, 1); /* v1 only? */
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2018-02-08 17:47:58 +01:00
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FIELD(SDHC_CAPAB, HIGHSPEED, 21, 1);
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FIELD(SDHC_CAPAB, SDMA, 22, 1);
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FIELD(SDHC_CAPAB, SUSPRESUME, 23, 1);
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FIELD(SDHC_CAPAB, V33, 24, 1);
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FIELD(SDHC_CAPAB, V30, 25, 1);
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FIELD(SDHC_CAPAB, V18, 26, 1);
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2018-02-08 17:48:18 +01:00
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FIELD(SDHC_CAPAB, BUS64BIT_V4, 27, 1); /* since v4.10 */
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2018-02-08 17:48:01 +01:00
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FIELD(SDHC_CAPAB, BUS64BIT, 28, 1); /* since v2 */
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2018-02-08 17:48:05 +01:00
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FIELD(SDHC_CAPAB, ASYNC_INT, 29, 1); /* since v3 */
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FIELD(SDHC_CAPAB, SLOT_TYPE, 30, 2); /* since v3 */
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FIELD(SDHC_CAPAB, BUS_SPEED, 32, 3); /* since v3 */
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2018-02-08 17:48:18 +01:00
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FIELD(SDHC_CAPAB, UHS_II, 35, 8); /* since v4.20 */
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2018-02-08 17:48:05 +01:00
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FIELD(SDHC_CAPAB, DRIVER_STRENGTH, 36, 3); /* since v3 */
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FIELD(SDHC_CAPAB, DRIVER_TYPE_A, 36, 1); /* since v3 */
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FIELD(SDHC_CAPAB, DRIVER_TYPE_C, 37, 1); /* since v3 */
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FIELD(SDHC_CAPAB, DRIVER_TYPE_D, 38, 1); /* since v3 */
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FIELD(SDHC_CAPAB, TIMER_RETUNING, 40, 4); /* since v3 */
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FIELD(SDHC_CAPAB, SDR50_TUNING, 45, 1); /* since v3 */
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FIELD(SDHC_CAPAB, RETUNING_MODE, 46, 2); /* since v3 */
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FIELD(SDHC_CAPAB, CLOCK_MULT, 48, 8); /* since v3 */
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2018-02-08 17:48:18 +01:00
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FIELD(SDHC_CAPAB, ADMA3, 59, 1); /* since v4.20 */
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FIELD(SDHC_CAPAB, V18_VDD2, 60, 1); /* since v4.20 */
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2013-02-28 19:23:14 +01:00
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/* HWInit Maximum Current Capabilities Register 0x0 */
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#define SDHC_MAXCURR 0x48
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2018-02-08 17:47:58 +01:00
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FIELD(SDHC_MAXCURR, V33_VDD1, 0, 8);
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FIELD(SDHC_MAXCURR, V30_VDD1, 8, 8);
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FIELD(SDHC_MAXCURR, V18_VDD1, 16, 8);
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2018-02-08 17:48:18 +01:00
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FIELD(SDHC_MAXCURR, V18_VDD2, 32, 8); /* since v4.20 */
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2013-02-28 19:23:14 +01:00
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/* W Force Event Auto CMD12 Error Interrupt Register 0x0000 */
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#define SDHC_FEAER 0x50
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/* W Force Event Error Interrupt Register Error Interrupt 0x0000 */
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#define SDHC_FEERR 0x52
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/* R/W ADMA Error Status Register 0x00 */
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#define SDHC_ADMAERR 0x54
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#define SDHC_ADMAERR_LENGTH_MISMATCH (1 << 2)
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#define SDHC_ADMAERR_STATE_ST_STOP (0 << 0)
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#define SDHC_ADMAERR_STATE_ST_FDS (1 << 0)
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#define SDHC_ADMAERR_STATE_ST_TFR (3 << 0)
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#define SDHC_ADMAERR_STATE_MASK (3 << 0)
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/* R/W ADMA System Address Register 0x00 */
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#define SDHC_ADMASYSADDR 0x58
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#define SDHC_ADMA_ATTR_SET_LEN (1 << 4)
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#define SDHC_ADMA_ATTR_ACT_TRAN (1 << 5)
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#define SDHC_ADMA_ATTR_ACT_LINK (3 << 4)
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#define SDHC_ADMA_ATTR_INT (1 << 2)
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#define SDHC_ADMA_ATTR_END (1 << 1)
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#define SDHC_ADMA_ATTR_VALID (1 << 0)
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#define SDHC_ADMA_ATTR_ACT_MASK ((1 << 4)|(1 << 5))
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/* Slot interrupt status */
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#define SDHC_SLOT_INT_STATUS 0xFC
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2018-02-08 17:47:55 +01:00
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/* HWInit Host Controller Version Register */
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2013-02-28 19:23:14 +01:00
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#define SDHC_HCVER 0xFE
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2018-02-08 17:47:55 +01:00
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#define SDHC_HCVER_VENDOR 0x24
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2013-02-28 19:23:14 +01:00
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#define SDHC_REGISTERS_MAP_SIZE 0x100
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2016-03-21 17:02:30 +01:00
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#define SDHC_INSERTION_DELAY (NANOSECONDS_PER_SECOND)
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2013-02-28 19:23:14 +01:00
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#define SDHC_TRANSFER_DELAY 100
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#define SDHC_ADMA_DESCS_PER_DELAY 5
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#define SDHC_CMD_RESPONSE (3 << 0)
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enum {
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sdhc_not_stopped = 0, /* normal SDHC state */
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sdhc_gap_read = 1, /* SDHC stopped at block gap during read operation */
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sdhc_gap_write = 2 /* SDHC stopped at block gap during write operation */
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};
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2018-02-09 11:40:29 +01:00
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extern const VMStateDescription sdhci_vmstate;
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#define ESDHC_MIX_CTRL 0x48
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#define ESDHC_VENDOR_SPEC 0xc0
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#define ESDHC_DLL_CTRL 0x60
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#define ESDHC_TUNING_CTRL 0xcc
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#define ESDHC_TUNE_CTRL_STATUS 0x68
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#define ESDHC_WTMK_LVL 0x44
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/* Undocumented register used by guests working around erratum ERR004536 */
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#define ESDHC_UNDOCUMENTED_REG27 0x6c
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#define ESDHC_CTRL_4BITBUS (0x1 << 1)
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#define ESDHC_CTRL_8BITBUS (0x2 << 1)
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2018-08-20 12:24:32 +02:00
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#define ESDHC_PRNSTS_SDSTB (1 << 3)
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2019-02-20 12:19:14 +01:00
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/*
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* Default SD/MMC host controller features information, which will be
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* presented in CAPABILITIES register of generic SD host controller at reset.
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*
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* support:
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* - 3.3v and 1.8v voltages
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* - SDMA/ADMA1/ADMA2
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* - high-speed
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* max host controller R/W buffers size: 512B
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* max clock frequency for SDclock: 52 MHz
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* timeout clock frequency: 52 MHz
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*
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* does not support:
|
|
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* - 3.0v voltage
|
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* - 64-bit system bus
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* - suspend/resume
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*/
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#define SDHC_CAPAB_REG_DEFAULT 0x057834b4
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#define DEFINE_SDHCI_COMMON_PROPERTIES(_state) \
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DEFINE_PROP_UINT8("sd-spec-version", _state, sd_spec_version, 2), \
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DEFINE_PROP_UINT8("uhs", _state, uhs_mode, UHS_NOT_SUPPORTED), \
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\
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/* Capabilities registers provide information on supported
|
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* features of this specific host controller implementation */ \
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DEFINE_PROP_UINT64("capareg", _state, capareg, SDHC_CAPAB_REG_DEFAULT), \
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DEFINE_PROP_UINT64("maxcurr", _state, maxcurr, 0)
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void sdhci_initfn(SDHCIState *s);
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void sdhci_uninitfn(SDHCIState *s);
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void sdhci_common_realize(SDHCIState *s, Error **errp);
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void sdhci_common_unrealize(SDHCIState *s, Error **errp);
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void sdhci_common_class_init(ObjectClass *klass, void *data);
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2015-10-08 15:21:02 +02:00
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#endif
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