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* SD Association Host Standard Specification v2.0 controller emulation
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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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* Based on MMC controller for Samsung S5PC1xx-based board emulation
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* by Alexey Merkulov and Vladimir Monakhov.
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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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* 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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* 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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#include "qemu/osdep.h"
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#include "sysemu/block-backend.h"
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#include "sysemu/blockdev.h"
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#include "sysemu/dma.h"
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#include "qemu/timer.h"
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#include "qemu/bitops.h"
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#include "sdhci-internal.h"
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/* host controller debug messages */
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#define DPRINT_L1(fmt, args...) \
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fprintf(stderr, "QEMU SDHC: " fmt, ## args); \
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#define DPRINT_L2(fmt, args...) \
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if (SDHC_DEBUG > 1) { \
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fprintf(stderr, "QEMU SDHC: " fmt, ## args); \
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#define ERRPRINT(fmt, args...) \
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fprintf(stderr, "QEMU SDHC ERROR: " fmt, ## args); \
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#define TYPE_SDHCI_BUS "sdhci-bus"
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#define SDHCI_BUS(obj) OBJECT_CHECK(SDBus, (obj), TYPE_SDHCI_BUS)
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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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* If not stated otherwise:
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* 0 - not supported, 1 - supported, other - prohibited.
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#define SDHC_CAPAB_64BITBUS 0ul /* 64-bit System Bus Support */
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#define SDHC_CAPAB_18V 1ul /* Voltage support 1.8v */
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#define SDHC_CAPAB_30V 0ul /* Voltage support 3.0v */
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#define SDHC_CAPAB_33V 1ul /* Voltage support 3.3v */
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#define SDHC_CAPAB_SUSPRESUME 0ul /* Suspend/resume support */
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#define SDHC_CAPAB_SDMA 1ul /* SDMA support */
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#define SDHC_CAPAB_HIGHSPEED 1ul /* High speed support */
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#define SDHC_CAPAB_ADMA1 1ul /* ADMA1 support */
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#define SDHC_CAPAB_ADMA2 1ul /* ADMA2 support */
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/* Maximum host controller R/W buffers size
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* Possible values: 512, 1024, 2048 bytes */
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#define SDHC_CAPAB_MAXBLOCKLENGTH 512ul
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/* Maximum clock frequency for SDclock in MHz
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* value in range 10-63 MHz, 0 - not defined */
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#define SDHC_CAPAB_BASECLKFREQ 52ul
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#define SDHC_CAPAB_TOUNIT 1ul /* Timeout clock unit 0 - kHz, 1 - MHz */
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/* Timeout clock frequency 1-63, 0 - not defined */
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#define SDHC_CAPAB_TOCLKFREQ 52ul
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/* Now check all parameters and calculate CAPABILITIES REGISTER value */
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#if SDHC_CAPAB_64BITBUS > 1 || SDHC_CAPAB_18V > 1 || SDHC_CAPAB_30V > 1 || \
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SDHC_CAPAB_33V > 1 || SDHC_CAPAB_SUSPRESUME > 1 || SDHC_CAPAB_SDMA > 1 || \
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SDHC_CAPAB_HIGHSPEED > 1 || SDHC_CAPAB_ADMA2 > 1 || SDHC_CAPAB_ADMA1 > 1 ||\
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#error Capabilities features can have value 0 or 1 only!
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#if SDHC_CAPAB_MAXBLOCKLENGTH == 512
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#define MAX_BLOCK_LENGTH 0ul
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#elif SDHC_CAPAB_MAXBLOCKLENGTH == 1024
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#define MAX_BLOCK_LENGTH 1ul
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#elif SDHC_CAPAB_MAXBLOCKLENGTH == 2048
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#define MAX_BLOCK_LENGTH 2ul
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#error Max host controller block size can have value 512, 1024 or 2048 only!
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#if (SDHC_CAPAB_BASECLKFREQ > 0 && SDHC_CAPAB_BASECLKFREQ < 10) || \
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SDHC_CAPAB_BASECLKFREQ > 63
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#error SDclock frequency can have value in range 0, 10-63 only!
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#if SDHC_CAPAB_TOCLKFREQ > 63
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#error Timeout clock frequency can have value in range 0-63 only!
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#define SDHC_CAPAB_REG_DEFAULT \
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((SDHC_CAPAB_64BITBUS << 28) | (SDHC_CAPAB_18V << 26) | \
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(SDHC_CAPAB_30V << 25) | (SDHC_CAPAB_33V << 24) | \
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(SDHC_CAPAB_SUSPRESUME << 23) | (SDHC_CAPAB_SDMA << 22) | \
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(SDHC_CAPAB_HIGHSPEED << 21) | (SDHC_CAPAB_ADMA1 << 20) | \
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(SDHC_CAPAB_ADMA2 << 19) | (MAX_BLOCK_LENGTH << 16) | \
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(SDHC_CAPAB_BASECLKFREQ << 8) | (SDHC_CAPAB_TOUNIT << 7) | \
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(SDHC_CAPAB_TOCLKFREQ))
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#define MASKED_WRITE(reg, mask, val) (reg = (reg & (mask)) | (val))
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static uint8_t sdhci_slotint(SDHCIState *s)
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return (s->norintsts & s->norintsigen) || (s->errintsts & s->errintsigen) ||
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((s->norintsts & SDHC_NIS_INSERT) && (s->wakcon & SDHC_WKUP_ON_INS)) ||
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((s->norintsts & SDHC_NIS_REMOVE) && (s->wakcon & SDHC_WKUP_ON_RMV));
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static inline void sdhci_update_irq(SDHCIState *s)
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qemu_set_irq(s->irq, sdhci_slotint(s));
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static void sdhci_raise_insertion_irq(void *opaque)
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SDHCIState *s = (SDHCIState *)opaque;
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if (s->norintsts & SDHC_NIS_REMOVE) {
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timer_mod(s->insert_timer,
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qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY);
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s->prnsts = 0x1ff0000;
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if (s->norintstsen & SDHC_NISEN_INSERT) {
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s->norintsts |= SDHC_NIS_INSERT;
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static void sdhci_set_inserted(DeviceState *dev, bool level)
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SDHCIState *s = (SDHCIState *)dev;
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DPRINT_L1("Card state changed: %s!\n", level ? "insert" : "eject");
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if ((s->norintsts & SDHC_NIS_REMOVE) && level) {
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/* Give target some time to notice card ejection */
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timer_mod(s->insert_timer,
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qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY);
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s->prnsts = 0x1ff0000;
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if (s->norintstsen & SDHC_NISEN_INSERT) {
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s->norintsts |= SDHC_NIS_INSERT;
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s->prnsts = 0x1fa0000;
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s->pwrcon &= ~SDHC_POWER_ON;
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s->clkcon &= ~SDHC_CLOCK_SDCLK_EN;
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if (s->norintstsen & SDHC_NISEN_REMOVE) {
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s->norintsts |= SDHC_NIS_REMOVE;
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static void sdhci_set_readonly(DeviceState *dev, bool level)
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SDHCIState *s = (SDHCIState *)dev;
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s->prnsts &= ~SDHC_WRITE_PROTECT;
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s->prnsts |= SDHC_WRITE_PROTECT;
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static void sdhci_reset(SDHCIState *s)
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DeviceState *dev = DEVICE(s);
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timer_del(s->insert_timer);
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timer_del(s->transfer_timer);
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/* Set all registers to 0. Capabilities registers are not cleared
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* and assumed to always preserve their value, given to them during
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memset(&s->sdmasysad, 0, (uintptr_t)&s->capareg - (uintptr_t)&s->sdmasysad);
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/* Reset other state based on current card insertion/readonly status */
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sdhci_set_inserted(dev, sdbus_get_inserted(&s->sdbus));
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sdhci_set_readonly(dev, sdbus_get_readonly(&s->sdbus));
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s->stopped_state = sdhc_not_stopped;
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s->pending_insert_state = false;
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static void sdhci_poweron_reset(DeviceState *dev)
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/* QOM (ie power-on) reset. This is identical to reset
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* commanded via device register apart from handling of the
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* 'pending insert on powerup' quirk.
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SDHCIState *s = (SDHCIState *)dev;
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if (s->pending_insert_quirk) {
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s->pending_insert_state = true;
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static void sdhci_data_transfer(void *opaque);
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static void sdhci_send_command(SDHCIState *s)
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uint8_t response[16];
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request.cmd = s->cmdreg >> 8;
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request.arg = s->argument;
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DPRINT_L1("sending CMD%u ARG[0x%08x]\n", request.cmd, request.arg);
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rlen = sdbus_do_command(&s->sdbus, &request, response);
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if (s->cmdreg & SDHC_CMD_RESPONSE) {
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s->rspreg[0] = (response[0] << 24) | (response[1] << 16) |
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(response[2] << 8) | response[3];
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s->rspreg[1] = s->rspreg[2] = s->rspreg[3] = 0;
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DPRINT_L1("Response: RSPREG[31..0]=0x%08x\n", s->rspreg[0]);
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} else if (rlen == 16) {
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s->rspreg[0] = (response[11] << 24) | (response[12] << 16) |
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(response[13] << 8) | response[14];
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s->rspreg[1] = (response[7] << 24) | (response[8] << 16) |
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(response[9] << 8) | response[10];
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s->rspreg[2] = (response[3] << 24) | (response[4] << 16) |
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(response[5] << 8) | response[6];
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s->rspreg[3] = (response[0] << 16) | (response[1] << 8) |
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DPRINT_L1("Response received:\n RSPREG[127..96]=0x%08x, RSPREG[95.."
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"64]=0x%08x,\n RSPREG[63..32]=0x%08x, RSPREG[31..0]=0x%08x\n",
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s->rspreg[3], s->rspreg[2], s->rspreg[1], s->rspreg[0]);
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ERRPRINT("Timeout waiting for command response\n");
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if (s->errintstsen & SDHC_EISEN_CMDTIMEOUT) {
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s->errintsts |= SDHC_EIS_CMDTIMEOUT;
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s->norintsts |= SDHC_NIS_ERR;
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if ((s->norintstsen & SDHC_NISEN_TRSCMP) &&
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(s->cmdreg & SDHC_CMD_RESPONSE) == SDHC_CMD_RSP_WITH_BUSY) {
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s->norintsts |= SDHC_NIS_TRSCMP;
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if (s->norintstsen & SDHC_NISEN_CMDCMP) {
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s->norintsts |= SDHC_NIS_CMDCMP;
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if (s->blksize && (s->cmdreg & SDHC_CMD_DATA_PRESENT)) {
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sdhci_data_transfer(s);
285
static void sdhci_end_transfer(SDHCIState *s)
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/* Automatically send CMD12 to stop transfer if AutoCMD12 enabled */
288
if ((s->trnmod & SDHC_TRNS_ACMD12) != 0) {
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uint8_t response[16];
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DPRINT_L1("Automatically issue CMD%d %08x\n", request.cmd, request.arg);
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sdbus_do_command(&s->sdbus, &request, response);
296
/* Auto CMD12 response goes to the upper Response register */
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s->rspreg[3] = (response[0] << 24) | (response[1] << 16) |
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(response[2] << 8) | response[3];
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s->prnsts &= ~(SDHC_DOING_READ | SDHC_DOING_WRITE |
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SDHC_DAT_LINE_ACTIVE | SDHC_DATA_INHIBIT |
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SDHC_SPACE_AVAILABLE | SDHC_DATA_AVAILABLE);
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if (s->norintstsen & SDHC_NISEN_TRSCMP) {
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s->norintsts |= SDHC_NIS_TRSCMP;
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* Programmed i/o data transfer
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/* Fill host controller's read buffer with BLKSIZE bytes of data from card */
317
static void sdhci_read_block_from_card(SDHCIState *s)
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if ((s->trnmod & SDHC_TRNS_MULTI) &&
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(s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0)) {
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for (index = 0; index < (s->blksize & 0x0fff); index++) {
327
s->fifo_buffer[index] = sdbus_read_data(&s->sdbus);
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/* New data now available for READ through Buffer Port Register */
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s->prnsts |= SDHC_DATA_AVAILABLE;
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if (s->norintstsen & SDHC_NISEN_RBUFRDY) {
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s->norintsts |= SDHC_NIS_RBUFRDY;
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/* Clear DAT line active status if that was the last block */
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if ((s->trnmod & SDHC_TRNS_MULTI) == 0 ||
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((s->trnmod & SDHC_TRNS_MULTI) && s->blkcnt == 1)) {
339
s->prnsts &= ~SDHC_DAT_LINE_ACTIVE;
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/* If stop at block gap request was set and it's not the last block of
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* data - generate Block Event interrupt */
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if (s->stopped_state == sdhc_gap_read && (s->trnmod & SDHC_TRNS_MULTI) &&
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s->prnsts &= ~SDHC_DAT_LINE_ACTIVE;
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if (s->norintstsen & SDHC_EISEN_BLKGAP) {
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s->norintsts |= SDHC_EIS_BLKGAP;
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/* Read @size byte of data from host controller @s BUFFER DATA PORT register */
356
static uint32_t sdhci_read_dataport(SDHCIState *s, unsigned size)
361
/* first check that a valid data exists in host controller input buffer */
362
if ((s->prnsts & SDHC_DATA_AVAILABLE) == 0) {
363
ERRPRINT("Trying to read from empty buffer\n");
367
for (i = 0; i < size; i++) {
368
value |= s->fifo_buffer[s->data_count] << i * 8;
370
/* check if we've read all valid data (blksize bytes) from buffer */
371
if ((s->data_count) >= (s->blksize & 0x0fff)) {
372
DPRINT_L2("All %u bytes of data have been read from input buffer\n",
374
s->prnsts &= ~SDHC_DATA_AVAILABLE; /* no more data in a buffer */
375
s->data_count = 0; /* next buff read must start at position [0] */
377
if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) {
381
/* if that was the last block of data */
382
if ((s->trnmod & SDHC_TRNS_MULTI) == 0 ||
383
((s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0)) ||
384
/* stop at gap request */
385
(s->stopped_state == sdhc_gap_read &&
386
!(s->prnsts & SDHC_DAT_LINE_ACTIVE))) {
387
sdhci_end_transfer(s);
388
} else { /* if there are more data, read next block from card */
389
sdhci_read_block_from_card(s);
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/* Write data from host controller FIFO to card */
399
static void sdhci_write_block_to_card(SDHCIState *s)
403
if (s->prnsts & SDHC_SPACE_AVAILABLE) {
404
if (s->norintstsen & SDHC_NISEN_WBUFRDY) {
405
s->norintsts |= SDHC_NIS_WBUFRDY;
411
if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) {
412
if (s->blkcnt == 0) {
419
for (index = 0; index < (s->blksize & 0x0fff); index++) {
420
sdbus_write_data(&s->sdbus, s->fifo_buffer[index]);
423
/* Next data can be written through BUFFER DATORT register */
424
s->prnsts |= SDHC_SPACE_AVAILABLE;
426
/* Finish transfer if that was the last block of data */
427
if ((s->trnmod & SDHC_TRNS_MULTI) == 0 ||
428
((s->trnmod & SDHC_TRNS_MULTI) &&
429
(s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0))) {
430
sdhci_end_transfer(s);
431
} else if (s->norintstsen & SDHC_NISEN_WBUFRDY) {
432
s->norintsts |= SDHC_NIS_WBUFRDY;
435
/* Generate Block Gap Event if requested and if not the last block */
436
if (s->stopped_state == sdhc_gap_write && (s->trnmod & SDHC_TRNS_MULTI) &&
438
s->prnsts &= ~SDHC_DOING_WRITE;
439
if (s->norintstsen & SDHC_EISEN_BLKGAP) {
440
s->norintsts |= SDHC_EIS_BLKGAP;
442
sdhci_end_transfer(s);
448
/* Write @size bytes of @value data to host controller @s Buffer Data Port
450
static void sdhci_write_dataport(SDHCIState *s, uint32_t value, unsigned size)
454
/* Check that there is free space left in a buffer */
455
if (!(s->prnsts & SDHC_SPACE_AVAILABLE)) {
456
ERRPRINT("Can't write to data buffer: buffer full\n");
460
for (i = 0; i < size; i++) {
461
s->fifo_buffer[s->data_count] = value & 0xFF;
464
if (s->data_count >= (s->blksize & 0x0fff)) {
465
DPRINT_L2("write buffer filled with %u bytes of data\n",
468
s->prnsts &= ~SDHC_SPACE_AVAILABLE;
469
if (s->prnsts & SDHC_DOING_WRITE) {
470
sdhci_write_block_to_card(s);
477
* Single DMA data transfer
480
/* Multi block SDMA transfer */
481
static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s)
483
bool page_aligned = false;
484
unsigned int n, begin;
485
const uint16_t block_size = s->blksize & 0x0fff;
486
uint32_t boundary_chk = 1 << (((s->blksize & 0xf000) >> 12) + 12);
487
uint32_t boundary_count = boundary_chk - (s->sdmasysad % boundary_chk);
489
/* XXX: Some sd/mmc drivers (for example, u-boot-slp) do not account for
490
* possible stop at page boundary if initial address is not page aligned,
491
* allow them to work properly */
492
if ((s->sdmasysad % boundary_chk) == 0) {
496
if (s->trnmod & SDHC_TRNS_READ) {
497
s->prnsts |= SDHC_DOING_READ | SDHC_DATA_INHIBIT |
498
SDHC_DAT_LINE_ACTIVE;
500
if (s->data_count == 0) {
501
for (n = 0; n < block_size; n++) {
502
s->fifo_buffer[n] = sdbus_read_data(&s->sdbus);
505
begin = s->data_count;
506
if (((boundary_count + begin) < block_size) && page_aligned) {
507
s->data_count = boundary_count + begin;
510
s->data_count = block_size;
511
boundary_count -= block_size - begin;
512
if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) {
516
dma_memory_write(&address_space_memory, s->sdmasysad,
517
&s->fifo_buffer[begin], s->data_count - begin);
518
s->sdmasysad += s->data_count - begin;
519
if (s->data_count == block_size) {
522
if (page_aligned && boundary_count == 0) {
527
s->prnsts |= SDHC_DOING_WRITE | SDHC_DATA_INHIBIT |
528
SDHC_DAT_LINE_ACTIVE;
530
begin = s->data_count;
531
if (((boundary_count + begin) < block_size) && page_aligned) {
532
s->data_count = boundary_count + begin;
535
s->data_count = block_size;
536
boundary_count -= block_size - begin;
538
dma_memory_read(&address_space_memory, s->sdmasysad,
539
&s->fifo_buffer[begin], s->data_count);
540
s->sdmasysad += s->data_count - begin;
541
if (s->data_count == block_size) {
542
for (n = 0; n < block_size; n++) {
543
sdbus_write_data(&s->sdbus, s->fifo_buffer[n]);
546
if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) {
550
if (page_aligned && boundary_count == 0) {
556
if (s->blkcnt == 0) {
557
sdhci_end_transfer(s);
559
if (s->norintstsen & SDHC_NISEN_DMA) {
560
s->norintsts |= SDHC_NIS_DMA;
566
/* single block SDMA transfer */
568
static void sdhci_sdma_transfer_single_block(SDHCIState *s)
571
uint32_t datacnt = s->blksize & 0x0fff;
573
if (s->trnmod & SDHC_TRNS_READ) {
574
for (n = 0; n < datacnt; n++) {
575
s->fifo_buffer[n] = sdbus_read_data(&s->sdbus);
577
dma_memory_write(&address_space_memory, s->sdmasysad, s->fifo_buffer,
580
dma_memory_read(&address_space_memory, s->sdmasysad, s->fifo_buffer,
582
for (n = 0; n < datacnt; n++) {
583
sdbus_write_data(&s->sdbus, s->fifo_buffer[n]);
587
if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) {
591
sdhci_end_transfer(s);
594
typedef struct ADMADescr {
601
static void get_adma_description(SDHCIState *s, ADMADescr *dscr)
605
hwaddr entry_addr = (hwaddr)s->admasysaddr;
606
switch (SDHC_DMA_TYPE(s->hostctl)) {
607
case SDHC_CTRL_ADMA2_32:
608
dma_memory_read(&address_space_memory, entry_addr, (uint8_t *)&adma2,
610
adma2 = le64_to_cpu(adma2);
611
/* The spec does not specify endianness of descriptor table.
612
* We currently assume that it is LE.
614
dscr->addr = (hwaddr)extract64(adma2, 32, 32) & ~0x3ull;
615
dscr->length = (uint16_t)extract64(adma2, 16, 16);
616
dscr->attr = (uint8_t)extract64(adma2, 0, 7);
619
case SDHC_CTRL_ADMA1_32:
620
dma_memory_read(&address_space_memory, entry_addr, (uint8_t *)&adma1,
622
adma1 = le32_to_cpu(adma1);
623
dscr->addr = (hwaddr)(adma1 & 0xFFFFF000);
624
dscr->attr = (uint8_t)extract32(adma1, 0, 7);
626
if ((dscr->attr & SDHC_ADMA_ATTR_ACT_MASK) == SDHC_ADMA_ATTR_SET_LEN) {
627
dscr->length = (uint16_t)extract32(adma1, 12, 16);
632
case SDHC_CTRL_ADMA2_64:
633
dma_memory_read(&address_space_memory, entry_addr,
634
(uint8_t *)(&dscr->attr), 1);
635
dma_memory_read(&address_space_memory, entry_addr + 2,
636
(uint8_t *)(&dscr->length), 2);
637
dscr->length = le16_to_cpu(dscr->length);
638
dma_memory_read(&address_space_memory, entry_addr + 4,
639
(uint8_t *)(&dscr->addr), 8);
640
dscr->attr = le64_to_cpu(dscr->attr);
641
dscr->attr &= 0xfffffff8;
647
/* Advanced DMA data transfer */
649
static void sdhci_do_adma(SDHCIState *s)
651
unsigned int n, begin, length;
652
const uint16_t block_size = s->blksize & 0x0fff;
656
for (i = 0; i < SDHC_ADMA_DESCS_PER_DELAY; ++i) {
657
s->admaerr &= ~SDHC_ADMAERR_LENGTH_MISMATCH;
659
get_adma_description(s, &dscr);
660
DPRINT_L2("ADMA loop: addr=" TARGET_FMT_plx ", len=%d, attr=%x\n",
661
dscr.addr, dscr.length, dscr.attr);
663
if ((dscr.attr & SDHC_ADMA_ATTR_VALID) == 0) {
664
/* Indicate that error occurred in ST_FDS state */
665
s->admaerr &= ~SDHC_ADMAERR_STATE_MASK;
666
s->admaerr |= SDHC_ADMAERR_STATE_ST_FDS;
668
/* Generate ADMA error interrupt */
669
if (s->errintstsen & SDHC_EISEN_ADMAERR) {
670
s->errintsts |= SDHC_EIS_ADMAERR;
671
s->norintsts |= SDHC_NIS_ERR;
678
length = dscr.length ? dscr.length : 65536;
680
switch (dscr.attr & SDHC_ADMA_ATTR_ACT_MASK) {
681
case SDHC_ADMA_ATTR_ACT_TRAN: /* data transfer */
683
if (s->trnmod & SDHC_TRNS_READ) {
685
if (s->data_count == 0) {
686
for (n = 0; n < block_size; n++) {
687
s->fifo_buffer[n] = sdbus_read_data(&s->sdbus);
690
begin = s->data_count;
691
if ((length + begin) < block_size) {
692
s->data_count = length + begin;
695
s->data_count = block_size;
696
length -= block_size - begin;
698
dma_memory_write(&address_space_memory, dscr.addr,
699
&s->fifo_buffer[begin],
700
s->data_count - begin);
701
dscr.addr += s->data_count - begin;
702
if (s->data_count == block_size) {
704
if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) {
706
if (s->blkcnt == 0) {
714
begin = s->data_count;
715
if ((length + begin) < block_size) {
716
s->data_count = length + begin;
719
s->data_count = block_size;
720
length -= block_size - begin;
722
dma_memory_read(&address_space_memory, dscr.addr,
723
&s->fifo_buffer[begin],
724
s->data_count - begin);
725
dscr.addr += s->data_count - begin;
726
if (s->data_count == block_size) {
727
for (n = 0; n < block_size; n++) {
728
sdbus_write_data(&s->sdbus, s->fifo_buffer[n]);
731
if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) {
733
if (s->blkcnt == 0) {
740
s->admasysaddr += dscr.incr;
742
case SDHC_ADMA_ATTR_ACT_LINK: /* link to next descriptor table */
743
s->admasysaddr = dscr.addr;
744
DPRINT_L1("ADMA link: admasysaddr=0x%" PRIx64 "\n",
748
s->admasysaddr += dscr.incr;
752
if (dscr.attr & SDHC_ADMA_ATTR_INT) {
753
DPRINT_L1("ADMA interrupt: admasysaddr=0x%" PRIx64 "\n",
755
if (s->norintstsen & SDHC_NISEN_DMA) {
756
s->norintsts |= SDHC_NIS_DMA;
762
/* ADMA transfer terminates if blkcnt == 0 or by END attribute */
763
if (((s->trnmod & SDHC_TRNS_BLK_CNT_EN) &&
764
(s->blkcnt == 0)) || (dscr.attr & SDHC_ADMA_ATTR_END)) {
765
DPRINT_L2("ADMA transfer completed\n");
766
if (length || ((dscr.attr & SDHC_ADMA_ATTR_END) &&
767
(s->trnmod & SDHC_TRNS_BLK_CNT_EN) &&
769
ERRPRINT("SD/MMC host ADMA length mismatch\n");
770
s->admaerr |= SDHC_ADMAERR_LENGTH_MISMATCH |
771
SDHC_ADMAERR_STATE_ST_TFR;
772
if (s->errintstsen & SDHC_EISEN_ADMAERR) {
773
ERRPRINT("Set ADMA error flag\n");
774
s->errintsts |= SDHC_EIS_ADMAERR;
775
s->norintsts |= SDHC_NIS_ERR;
780
sdhci_end_transfer(s);
786
/* we have unfinished business - reschedule to continue ADMA */
787
timer_mod(s->transfer_timer,
788
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_TRANSFER_DELAY);
791
/* Perform data transfer according to controller configuration */
793
static void sdhci_data_transfer(void *opaque)
795
SDHCIState *s = (SDHCIState *)opaque;
797
if (s->trnmod & SDHC_TRNS_DMA) {
798
switch (SDHC_DMA_TYPE(s->hostctl)) {
800
if ((s->trnmod & SDHC_TRNS_MULTI) &&
801
(!(s->trnmod & SDHC_TRNS_BLK_CNT_EN) || s->blkcnt == 0)) {
805
if ((s->blkcnt == 1) || !(s->trnmod & SDHC_TRNS_MULTI)) {
806
sdhci_sdma_transfer_single_block(s);
808
sdhci_sdma_transfer_multi_blocks(s);
812
case SDHC_CTRL_ADMA1_32:
813
if (!(s->capareg & SDHC_CAN_DO_ADMA1)) {
814
ERRPRINT("ADMA1 not supported\n");
820
case SDHC_CTRL_ADMA2_32:
821
if (!(s->capareg & SDHC_CAN_DO_ADMA2)) {
822
ERRPRINT("ADMA2 not supported\n");
828
case SDHC_CTRL_ADMA2_64:
829
if (!(s->capareg & SDHC_CAN_DO_ADMA2) ||
830
!(s->capareg & SDHC_64_BIT_BUS_SUPPORT)) {
831
ERRPRINT("64 bit ADMA not supported\n");
838
ERRPRINT("Unsupported DMA type\n");
842
if ((s->trnmod & SDHC_TRNS_READ) && sdbus_data_ready(&s->sdbus)) {
843
s->prnsts |= SDHC_DOING_READ | SDHC_DATA_INHIBIT |
844
SDHC_DAT_LINE_ACTIVE;
845
sdhci_read_block_from_card(s);
847
s->prnsts |= SDHC_DOING_WRITE | SDHC_DAT_LINE_ACTIVE |
848
SDHC_SPACE_AVAILABLE | SDHC_DATA_INHIBIT;
849
sdhci_write_block_to_card(s);
854
static bool sdhci_can_issue_command(SDHCIState *s)
856
if (!SDHC_CLOCK_IS_ON(s->clkcon) ||
857
(((s->prnsts & SDHC_DATA_INHIBIT) || s->stopped_state) &&
858
((s->cmdreg & SDHC_CMD_DATA_PRESENT) ||
859
((s->cmdreg & SDHC_CMD_RESPONSE) == SDHC_CMD_RSP_WITH_BUSY &&
860
!(SDHC_COMMAND_TYPE(s->cmdreg) == SDHC_CMD_ABORT))))) {
867
/* The Buffer Data Port register must be accessed in sequential and
868
* continuous manner */
870
sdhci_buff_access_is_sequential(SDHCIState *s, unsigned byte_num)
872
if ((s->data_count & 0x3) != byte_num) {
873
ERRPRINT("Non-sequential access to Buffer Data Port register"
880
static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
882
SDHCIState *s = (SDHCIState *)opaque;
885
switch (offset & ~0x3) {
890
ret = s->blksize | (s->blkcnt << 16);
896
ret = s->trnmod | (s->cmdreg << 16);
898
case SDHC_RSPREG0 ... SDHC_RSPREG3:
899
ret = s->rspreg[((offset & ~0x3) - SDHC_RSPREG0) >> 2];
902
if (sdhci_buff_access_is_sequential(s, offset - SDHC_BDATA)) {
903
ret = sdhci_read_dataport(s, size);
904
DPRINT_L2("read %ub: addr[0x%04x] -> %u(0x%x)\n", size, (int)offset,
913
ret = s->hostctl | (s->pwrcon << 8) | (s->blkgap << 16) |
917
ret = s->clkcon | (s->timeoutcon << 16);
920
ret = s->norintsts | (s->errintsts << 16);
922
case SDHC_NORINTSTSEN:
923
ret = s->norintstsen | (s->errintstsen << 16);
925
case SDHC_NORINTSIGEN:
926
ret = s->norintsigen | (s->errintsigen << 16);
928
case SDHC_ACMD12ERRSTS:
929
ret = s->acmd12errsts;
940
case SDHC_ADMASYSADDR:
941
ret = (uint32_t)s->admasysaddr;
943
case SDHC_ADMASYSADDR + 4:
944
ret = (uint32_t)(s->admasysaddr >> 32);
946
case SDHC_SLOT_INT_STATUS:
947
ret = (SD_HOST_SPECv2_VERS << 16) | sdhci_slotint(s);
950
ERRPRINT("bad %ub read: addr[0x%04x]\n", size, (int)offset);
954
ret >>= (offset & 0x3) * 8;
955
ret &= (1ULL << (size * 8)) - 1;
956
DPRINT_L2("read %ub: addr[0x%04x] -> %u(0x%x)\n", size, (int)offset, ret, ret);
960
static inline void sdhci_blkgap_write(SDHCIState *s, uint8_t value)
962
if ((value & SDHC_STOP_AT_GAP_REQ) && (s->blkgap & SDHC_STOP_AT_GAP_REQ)) {
965
s->blkgap = value & SDHC_STOP_AT_GAP_REQ;
967
if ((value & SDHC_CONTINUE_REQ) && s->stopped_state &&
968
(s->blkgap & SDHC_STOP_AT_GAP_REQ) == 0) {
969
if (s->stopped_state == sdhc_gap_read) {
970
s->prnsts |= SDHC_DAT_LINE_ACTIVE | SDHC_DOING_READ;
971
sdhci_read_block_from_card(s);
973
s->prnsts |= SDHC_DAT_LINE_ACTIVE | SDHC_DOING_WRITE;
974
sdhci_write_block_to_card(s);
976
s->stopped_state = sdhc_not_stopped;
977
} else if (!s->stopped_state && (value & SDHC_STOP_AT_GAP_REQ)) {
978
if (s->prnsts & SDHC_DOING_READ) {
979
s->stopped_state = sdhc_gap_read;
980
} else if (s->prnsts & SDHC_DOING_WRITE) {
981
s->stopped_state = sdhc_gap_write;
986
static inline void sdhci_reset_write(SDHCIState *s, uint8_t value)
993
s->prnsts &= ~SDHC_CMD_INHIBIT;
994
s->norintsts &= ~SDHC_NIS_CMDCMP;
996
case SDHC_RESET_DATA:
998
s->prnsts &= ~(SDHC_SPACE_AVAILABLE | SDHC_DATA_AVAILABLE |
999
SDHC_DOING_READ | SDHC_DOING_WRITE |
1000
SDHC_DATA_INHIBIT | SDHC_DAT_LINE_ACTIVE);
1001
s->blkgap &= ~(SDHC_STOP_AT_GAP_REQ | SDHC_CONTINUE_REQ);
1002
s->stopped_state = sdhc_not_stopped;
1003
s->norintsts &= ~(SDHC_NIS_WBUFRDY | SDHC_NIS_RBUFRDY |
1004
SDHC_NIS_DMA | SDHC_NIS_TRSCMP | SDHC_NIS_BLKGAP);
1010
sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
1012
SDHCIState *s = (SDHCIState *)opaque;
1013
unsigned shift = 8 * (offset & 0x3);
1014
uint32_t mask = ~(((1ULL << (size * 8)) - 1) << shift);
1015
uint32_t value = val;
1018
switch (offset & ~0x3) {
1020
s->sdmasysad = (s->sdmasysad & mask) | value;
1021
MASKED_WRITE(s->sdmasysad, mask, value);
1022
/* Writing to last byte of sdmasysad might trigger transfer */
1023
if (!(mask & 0xFF000000) && TRANSFERRING_DATA(s->prnsts) && s->blkcnt &&
1024
s->blksize && SDHC_DMA_TYPE(s->hostctl) == SDHC_CTRL_SDMA) {
1025
sdhci_sdma_transfer_multi_blocks(s);
1029
if (!TRANSFERRING_DATA(s->prnsts)) {
1030
MASKED_WRITE(s->blksize, mask, value);
1031
MASKED_WRITE(s->blkcnt, mask >> 16, value >> 16);
1034
/* Limit block size to the maximum buffer size */
1035
if (extract32(s->blksize, 0, 12) > s->buf_maxsz) {
1036
qemu_log_mask(LOG_GUEST_ERROR, "%s: Size 0x%x is larger than " \
1037
"the maximum buffer 0x%x", __func__, s->blksize,
1040
s->blksize = deposit32(s->blksize, 0, 12, s->buf_maxsz);
1045
MASKED_WRITE(s->argument, mask, value);
1048
/* DMA can be enabled only if it is supported as indicated by
1049
* capabilities register */
1050
if (!(s->capareg & SDHC_CAN_DO_DMA)) {
1051
value &= ~SDHC_TRNS_DMA;
1053
MASKED_WRITE(s->trnmod, mask, value);
1054
MASKED_WRITE(s->cmdreg, mask >> 16, value >> 16);
1056
/* Writing to the upper byte of CMDREG triggers SD command generation */
1057
if ((mask & 0xFF000000) || !sdhci_can_issue_command(s)) {
1061
sdhci_send_command(s);
1064
if (sdhci_buff_access_is_sequential(s, offset - SDHC_BDATA)) {
1065
sdhci_write_dataport(s, value >> shift, size);
1069
if (!(mask & 0xFF0000)) {
1070
sdhci_blkgap_write(s, value >> 16);
1072
MASKED_WRITE(s->hostctl, mask, value);
1073
MASKED_WRITE(s->pwrcon, mask >> 8, value >> 8);
1074
MASKED_WRITE(s->wakcon, mask >> 24, value >> 24);
1075
if (!(s->prnsts & SDHC_CARD_PRESENT) || ((s->pwrcon >> 1) & 0x7) < 5 ||
1076
!(s->capareg & (1 << (31 - ((s->pwrcon >> 1) & 0x7))))) {
1077
s->pwrcon &= ~SDHC_POWER_ON;
1081
if (!(mask & 0xFF000000)) {
1082
sdhci_reset_write(s, value >> 24);
1084
MASKED_WRITE(s->clkcon, mask, value);
1085
MASKED_WRITE(s->timeoutcon, mask >> 16, value >> 16);
1086
if (s->clkcon & SDHC_CLOCK_INT_EN) {
1087
s->clkcon |= SDHC_CLOCK_INT_STABLE;
1089
s->clkcon &= ~SDHC_CLOCK_INT_STABLE;
1092
case SDHC_NORINTSTS:
1093
if (s->norintstsen & SDHC_NISEN_CARDINT) {
1094
value &= ~SDHC_NIS_CARDINT;
1096
s->norintsts &= mask | ~value;
1097
s->errintsts &= (mask >> 16) | ~(value >> 16);
1099
s->norintsts |= SDHC_NIS_ERR;
1101
s->norintsts &= ~SDHC_NIS_ERR;
1103
sdhci_update_irq(s);
1105
case SDHC_NORINTSTSEN:
1106
MASKED_WRITE(s->norintstsen, mask, value);
1107
MASKED_WRITE(s->errintstsen, mask >> 16, value >> 16);
1108
s->norintsts &= s->norintstsen;
1109
s->errintsts &= s->errintstsen;
1111
s->norintsts |= SDHC_NIS_ERR;
1113
s->norintsts &= ~SDHC_NIS_ERR;
1115
/* Quirk for Raspberry Pi: pending card insert interrupt
1116
* appears when first enabled after power on */
1117
if ((s->norintstsen & SDHC_NISEN_INSERT) && s->pending_insert_state) {
1118
assert(s->pending_insert_quirk);
1119
s->norintsts |= SDHC_NIS_INSERT;
1120
s->pending_insert_state = false;
1122
sdhci_update_irq(s);
1124
case SDHC_NORINTSIGEN:
1125
MASKED_WRITE(s->norintsigen, mask, value);
1126
MASKED_WRITE(s->errintsigen, mask >> 16, value >> 16);
1127
sdhci_update_irq(s);
1130
MASKED_WRITE(s->admaerr, mask, value);
1132
case SDHC_ADMASYSADDR:
1133
s->admasysaddr = (s->admasysaddr & (0xFFFFFFFF00000000ULL |
1134
(uint64_t)mask)) | (uint64_t)value;
1136
case SDHC_ADMASYSADDR + 4:
1137
s->admasysaddr = (s->admasysaddr & (0x00000000FFFFFFFFULL |
1138
((uint64_t)mask << 32))) | ((uint64_t)value << 32);
1141
s->acmd12errsts |= value;
1142
s->errintsts |= (value >> 16) & s->errintstsen;
1143
if (s->acmd12errsts) {
1144
s->errintsts |= SDHC_EIS_CMD12ERR;
1147
s->norintsts |= SDHC_NIS_ERR;
1149
sdhci_update_irq(s);
1152
ERRPRINT("bad %ub write offset: addr[0x%04x] <- %u(0x%x)\n",
1153
size, (int)offset, value >> shift, value >> shift);
1156
DPRINT_L2("write %ub: addr[0x%04x] <- %u(0x%x)\n",
1157
size, (int)offset, value >> shift, value >> shift);
1160
static const MemoryRegionOps sdhci_mmio_ops = {
1162
.write = sdhci_write,
1164
.min_access_size = 1,
1165
.max_access_size = 4,
1168
.endianness = DEVICE_LITTLE_ENDIAN,
1171
static inline unsigned int sdhci_get_fifolen(SDHCIState *s)
1173
switch (SDHC_CAPAB_BLOCKSIZE(s->capareg)) {
1181
hw_error("SDHC: unsupported value for maximum block size\n");
1186
static void sdhci_initfn(SDHCIState *s)
1188
qbus_create_inplace(&s->sdbus, sizeof(s->sdbus),
1189
TYPE_SDHCI_BUS, DEVICE(s), "sd-bus");
1191
s->insert_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_raise_insertion_irq, s);
1192
s->transfer_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_data_transfer, s);
1195
static void sdhci_uninitfn(SDHCIState *s)
1197
timer_del(s->insert_timer);
1198
timer_free(s->insert_timer);
1199
timer_del(s->transfer_timer);
1200
timer_free(s->transfer_timer);
1201
qemu_free_irq(s->eject_cb);
1202
qemu_free_irq(s->ro_cb);
1204
g_free(s->fifo_buffer);
1205
s->fifo_buffer = NULL;
1208
static bool sdhci_pending_insert_vmstate_needed(void *opaque)
1210
SDHCIState *s = opaque;
1212
return s->pending_insert_state;
1215
static const VMStateDescription sdhci_pending_insert_vmstate = {
1216
.name = "sdhci/pending-insert",
1218
.minimum_version_id = 1,
1219
.needed = sdhci_pending_insert_vmstate_needed,
1220
.fields = (VMStateField[]) {
1221
VMSTATE_BOOL(pending_insert_state, SDHCIState),
1222
VMSTATE_END_OF_LIST()
1226
const VMStateDescription sdhci_vmstate = {
1229
.minimum_version_id = 1,
1230
.fields = (VMStateField[]) {
1231
VMSTATE_UINT32(sdmasysad, SDHCIState),
1232
VMSTATE_UINT16(blksize, SDHCIState),
1233
VMSTATE_UINT16(blkcnt, SDHCIState),
1234
VMSTATE_UINT32(argument, SDHCIState),
1235
VMSTATE_UINT16(trnmod, SDHCIState),
1236
VMSTATE_UINT16(cmdreg, SDHCIState),
1237
VMSTATE_UINT32_ARRAY(rspreg, SDHCIState, 4),
1238
VMSTATE_UINT32(prnsts, SDHCIState),
1239
VMSTATE_UINT8(hostctl, SDHCIState),
1240
VMSTATE_UINT8(pwrcon, SDHCIState),
1241
VMSTATE_UINT8(blkgap, SDHCIState),
1242
VMSTATE_UINT8(wakcon, SDHCIState),
1243
VMSTATE_UINT16(clkcon, SDHCIState),
1244
VMSTATE_UINT8(timeoutcon, SDHCIState),
1245
VMSTATE_UINT8(admaerr, SDHCIState),
1246
VMSTATE_UINT16(norintsts, SDHCIState),
1247
VMSTATE_UINT16(errintsts, SDHCIState),
1248
VMSTATE_UINT16(norintstsen, SDHCIState),
1249
VMSTATE_UINT16(errintstsen, SDHCIState),
1250
VMSTATE_UINT16(norintsigen, SDHCIState),
1251
VMSTATE_UINT16(errintsigen, SDHCIState),
1252
VMSTATE_UINT16(acmd12errsts, SDHCIState),
1253
VMSTATE_UINT16(data_count, SDHCIState),
1254
VMSTATE_UINT64(admasysaddr, SDHCIState),
1255
VMSTATE_UINT8(stopped_state, SDHCIState),
1256
VMSTATE_VBUFFER_UINT32(fifo_buffer, SDHCIState, 1, NULL, 0, buf_maxsz),
1257
VMSTATE_TIMER_PTR(insert_timer, SDHCIState),
1258
VMSTATE_TIMER_PTR(transfer_timer, SDHCIState),
1259
VMSTATE_END_OF_LIST()
1261
.subsections = (const VMStateDescription*[]) {
1262
&sdhci_pending_insert_vmstate,
1267
/* Capabilities registers provide information on supported features of this
1268
* specific host controller implementation */
1269
static Property sdhci_pci_properties[] = {
1270
DEFINE_PROP_UINT32("capareg", SDHCIState, capareg,
1271
SDHC_CAPAB_REG_DEFAULT),
1272
DEFINE_PROP_UINT32("maxcurr", SDHCIState, maxcurr, 0),
1273
DEFINE_PROP_END_OF_LIST(),
1276
static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
1278
SDHCIState *s = PCI_SDHCI(dev);
1279
dev->config[PCI_CLASS_PROG] = 0x01; /* Standard Host supported DMA */
1280
dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
1282
s->buf_maxsz = sdhci_get_fifolen(s);
1283
s->fifo_buffer = g_malloc0(s->buf_maxsz);
1284
s->irq = pci_allocate_irq(dev);
1285
memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
1286
SDHC_REGISTERS_MAP_SIZE);
1287
pci_register_bar(dev, 0, 0, &s->iomem);
1290
static void sdhci_pci_exit(PCIDevice *dev)
1292
SDHCIState *s = PCI_SDHCI(dev);
1296
static void sdhci_pci_class_init(ObjectClass *klass, void *data)
1298
DeviceClass *dc = DEVICE_CLASS(klass);
1299
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1301
k->realize = sdhci_pci_realize;
1302
k->exit = sdhci_pci_exit;
1303
k->vendor_id = PCI_VENDOR_ID_REDHAT;
1304
k->device_id = PCI_DEVICE_ID_REDHAT_SDHCI;
1305
k->class_id = PCI_CLASS_SYSTEM_SDHCI;
1306
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
1307
dc->vmsd = &sdhci_vmstate;
1308
dc->props = sdhci_pci_properties;
1309
dc->reset = sdhci_poweron_reset;
1312
static const TypeInfo sdhci_pci_info = {
1313
.name = TYPE_PCI_SDHCI,
1314
.parent = TYPE_PCI_DEVICE,
1315
.instance_size = sizeof(SDHCIState),
1316
.class_init = sdhci_pci_class_init,
1319
static Property sdhci_sysbus_properties[] = {
1320
DEFINE_PROP_UINT32("capareg", SDHCIState, capareg,
1321
SDHC_CAPAB_REG_DEFAULT),
1322
DEFINE_PROP_UINT32("maxcurr", SDHCIState, maxcurr, 0),
1323
DEFINE_PROP_BOOL("pending-insert-quirk", SDHCIState, pending_insert_quirk,
1325
DEFINE_PROP_END_OF_LIST(),
1328
static void sdhci_sysbus_init(Object *obj)
1330
SDHCIState *s = SYSBUS_SDHCI(obj);
1335
static void sdhci_sysbus_finalize(Object *obj)
1337
SDHCIState *s = SYSBUS_SDHCI(obj);
1341
static void sdhci_sysbus_realize(DeviceState *dev, Error ** errp)
1343
SDHCIState *s = SYSBUS_SDHCI(dev);
1344
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
1346
s->buf_maxsz = sdhci_get_fifolen(s);
1347
s->fifo_buffer = g_malloc0(s->buf_maxsz);
1348
sysbus_init_irq(sbd, &s->irq);
1349
memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
1350
SDHC_REGISTERS_MAP_SIZE);
1351
sysbus_init_mmio(sbd, &s->iomem);
1354
static void sdhci_sysbus_class_init(ObjectClass *klass, void *data)
1356
DeviceClass *dc = DEVICE_CLASS(klass);
1358
dc->vmsd = &sdhci_vmstate;
1359
dc->props = sdhci_sysbus_properties;
1360
dc->realize = sdhci_sysbus_realize;
1361
dc->reset = sdhci_poweron_reset;
1364
static const TypeInfo sdhci_sysbus_info = {
1365
.name = TYPE_SYSBUS_SDHCI,
1366
.parent = TYPE_SYS_BUS_DEVICE,
1367
.instance_size = sizeof(SDHCIState),
1368
.instance_init = sdhci_sysbus_init,
1369
.instance_finalize = sdhci_sysbus_finalize,
1370
.class_init = sdhci_sysbus_class_init,
1373
static void sdhci_bus_class_init(ObjectClass *klass, void *data)
1375
SDBusClass *sbc = SD_BUS_CLASS(klass);
1377
sbc->set_inserted = sdhci_set_inserted;
1378
sbc->set_readonly = sdhci_set_readonly;
1381
static const TypeInfo sdhci_bus_info = {
1382
.name = TYPE_SDHCI_BUS,
1383
.parent = TYPE_SD_BUS,
1384
.instance_size = sizeof(SDBus),
1385
.class_init = sdhci_bus_class_init,
1388
static void sdhci_register_types(void)
1390
type_register_static(&sdhci_pci_info);
1391
type_register_static(&sdhci_sysbus_info);
1392
type_register_static(&sdhci_bus_info);
1395
type_init(sdhci_register_types)