diff options
Diffstat (limited to 'hw/sdhci.c')
| -rw-r--r-- | hw/sdhci.c | 1300 |
1 files changed, 0 insertions, 1300 deletions
diff --git a/hw/sdhci.c b/hw/sdhci.c deleted file mode 100644 index 4a29e6c..0000000 --- a/hw/sdhci.c +++ /dev/null @@ -1,1300 +0,0 @@ -/* - * 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/>. - */ - -#include "hw/hw.h" -#include "sysemu/blockdev.h" -#include "sysemu/dma.h" -#include "qemu/timer.h" -#include "block/block_int.h" -#include "qemu/bitops.h" - -#include "hw/sdhci.h" - -/* host controller debug messages */ -#ifndef SDHC_DEBUG -#define SDHC_DEBUG 0 -#endif - -#if SDHC_DEBUG == 0 - #define DPRINT_L1(fmt, args...) do { } while (0) - #define DPRINT_L2(fmt, args...) do { } while (0) - #define ERRPRINT(fmt, args...) do { } while (0) -#elif SDHC_DEBUG == 1 - #define DPRINT_L1(fmt, args...) \ - do {fprintf(stderr, "QEMU SDHC: "fmt, ## args); } while (0) - #define DPRINT_L2(fmt, args...) do { } while (0) - #define ERRPRINT(fmt, args...) \ - do {fprintf(stderr, "QEMU SDHC ERROR: "fmt, ## args); } while (0) -#else - #define DPRINT_L1(fmt, args...) \ - do {fprintf(stderr, "QEMU SDHC: "fmt, ## args); } while (0) - #define DPRINT_L2(fmt, args...) \ - do {fprintf(stderr, "QEMU SDHC: "fmt, ## args); } while (0) - #define ERRPRINT(fmt, args...) \ - do {fprintf(stderr, "QEMU SDHC ERROR: "fmt, ## args); } while (0) -#endif - -/* Default SD/MMC host controller features information, which will be - * presented in CAPABILITIES register of generic SD host controller at reset. - * If not stated otherwise: - * 0 - not supported, 1 - supported, other - prohibited. - */ -#define SDHC_CAPAB_64BITBUS 0ul /* 64-bit System Bus Support */ -#define SDHC_CAPAB_18V 1ul /* Voltage support 1.8v */ -#define SDHC_CAPAB_30V 0ul /* Voltage support 3.0v */ -#define SDHC_CAPAB_33V 1ul /* Voltage support 3.3v */ -#define SDHC_CAPAB_SUSPRESUME 0ul /* Suspend/resume support */ -#define SDHC_CAPAB_SDMA 1ul /* SDMA support */ -#define SDHC_CAPAB_HIGHSPEED 1ul /* High speed support */ -#define SDHC_CAPAB_ADMA1 1ul /* ADMA1 support */ -#define SDHC_CAPAB_ADMA2 1ul /* ADMA2 support */ -/* Maximum host controller R/W buffers size - * Possible values: 512, 1024, 2048 bytes */ -#define SDHC_CAPAB_MAXBLOCKLENGTH 512ul -/* Maximum clock frequency for SDclock in MHz - * value in range 10-63 MHz, 0 - not defined */ -#define SDHC_CAPAB_BASECLKFREQ 0ul -#define SDHC_CAPAB_TOUNIT 1ul /* Timeout clock unit 0 - kHz, 1 - MHz */ -/* Timeout clock frequency 1-63, 0 - not defined */ -#define SDHC_CAPAB_TOCLKFREQ 0ul - -/* Now check all parameters and calculate CAPABILITIES REGISTER value */ -#if SDHC_CAPAB_64BITBUS > 1 || SDHC_CAPAB_18V > 1 || SDHC_CAPAB_30V > 1 || \ - SDHC_CAPAB_33V > 1 || SDHC_CAPAB_SUSPRESUME > 1 || SDHC_CAPAB_SDMA > 1 || \ - SDHC_CAPAB_HIGHSPEED > 1 || SDHC_CAPAB_ADMA2 > 1 || SDHC_CAPAB_ADMA1 > 1 ||\ - SDHC_CAPAB_TOUNIT > 1 -#error Capabilities features can have value 0 or 1 only! -#endif - -#if SDHC_CAPAB_MAXBLOCKLENGTH == 512 -#define MAX_BLOCK_LENGTH 0ul -#elif SDHC_CAPAB_MAXBLOCKLENGTH == 1024 -#define MAX_BLOCK_LENGTH 1ul -#elif SDHC_CAPAB_MAXBLOCKLENGTH == 2048 -#define MAX_BLOCK_LENGTH 2ul -#else -#error Max host controller block size can have value 512, 1024 or 2048 only! -#endif - -#if (SDHC_CAPAB_BASECLKFREQ > 0 && SDHC_CAPAB_BASECLKFREQ < 10) || \ - SDHC_CAPAB_BASECLKFREQ > 63 -#error SDclock frequency can have value in range 0, 10-63 only! -#endif - -#if SDHC_CAPAB_TOCLKFREQ > 63 -#error Timeout clock frequency can have value in range 0-63 only! -#endif - -#define SDHC_CAPAB_REG_DEFAULT \ - ((SDHC_CAPAB_64BITBUS << 28) | (SDHC_CAPAB_18V << 26) | \ - (SDHC_CAPAB_30V << 25) | (SDHC_CAPAB_33V << 24) | \ - (SDHC_CAPAB_SUSPRESUME << 23) | (SDHC_CAPAB_SDMA << 22) | \ - (SDHC_CAPAB_HIGHSPEED << 21) | (SDHC_CAPAB_ADMA1 << 20) | \ - (SDHC_CAPAB_ADMA2 << 19) | (MAX_BLOCK_LENGTH << 16) | \ - (SDHC_CAPAB_BASECLKFREQ << 8) | (SDHC_CAPAB_TOUNIT << 7) | \ - (SDHC_CAPAB_TOCLKFREQ)) - -#define MASKED_WRITE(reg, mask, val) (reg = (reg & (mask)) | (val)) - -static uint8_t sdhci_slotint(SDHCIState *s) -{ - return (s->norintsts & s->norintsigen) || (s->errintsts & s->errintsigen) || - ((s->norintsts & SDHC_NIS_INSERT) && (s->wakcon & SDHC_WKUP_ON_INS)) || - ((s->norintsts & SDHC_NIS_REMOVE) && (s->wakcon & SDHC_WKUP_ON_RMV)); -} - -static inline void sdhci_update_irq(SDHCIState *s) -{ - qemu_set_irq(s->irq, sdhci_slotint(s)); -} - -static void sdhci_raise_insertion_irq(void *opaque) -{ - SDHCIState *s = (SDHCIState *)opaque; - - if (s->norintsts & SDHC_NIS_REMOVE) { - qemu_mod_timer(s->insert_timer, - qemu_get_clock_ns(vm_clock) + SDHC_INSERTION_DELAY); - } else { - s->prnsts = 0x1ff0000; - if (s->norintstsen & SDHC_NISEN_INSERT) { - s->norintsts |= SDHC_NIS_INSERT; - } - sdhci_update_irq(s); - } -} - -static void sdhci_insert_eject_cb(void *opaque, int irq, int level) -{ - SDHCIState *s = (SDHCIState *)opaque; - DPRINT_L1("Card state changed: %s!\n", level ? "insert" : "eject"); - - if ((s->norintsts & SDHC_NIS_REMOVE) && level) { - /* Give target some time to notice card ejection */ - qemu_mod_timer(s->insert_timer, - qemu_get_clock_ns(vm_clock) + SDHC_INSERTION_DELAY); - } else { - if (level) { - s->prnsts = 0x1ff0000; - if (s->norintstsen & SDHC_NISEN_INSERT) { - s->norintsts |= SDHC_NIS_INSERT; - } - } else { - s->prnsts = 0x1fa0000; - s->pwrcon &= ~SDHC_POWER_ON; - s->clkcon &= ~SDHC_CLOCK_SDCLK_EN; - if (s->norintstsen & SDHC_NISEN_REMOVE) { - s->norintsts |= SDHC_NIS_REMOVE; - } - } - sdhci_update_irq(s); - } -} - -static void sdhci_card_readonly_cb(void *opaque, int irq, int level) -{ - SDHCIState *s = (SDHCIState *)opaque; - - if (level) { - s->prnsts &= ~SDHC_WRITE_PROTECT; - } else { - /* Write enabled */ - s->prnsts |= SDHC_WRITE_PROTECT; - } -} - -static void sdhci_reset(SDHCIState *s) -{ - qemu_del_timer(s->insert_timer); - qemu_del_timer(s->transfer_timer); - /* Set all registers to 0. Capabilities registers are not cleared - * and assumed to always preserve their value, given to them during - * initialization */ - memset(&s->sdmasysad, 0, (uintptr_t)&s->capareg - (uintptr_t)&s->sdmasysad); - - sd_set_cb(s->card, s->ro_cb, s->eject_cb); - s->data_count = 0; - s->stopped_state = sdhc_not_stopped; -} - -static void sdhci_do_data_transfer(void *opaque) -{ - SDHCIState *s = (SDHCIState *)opaque; - - SDHCI_GET_CLASS(s)->data_transfer(s); -} - -static void sdhci_send_command(SDHCIState *s) -{ - SDRequest request; - uint8_t response[16]; - int rlen; - - s->errintsts = 0; - s->acmd12errsts = 0; - request.cmd = s->cmdreg >> 8; - request.arg = s->argument; - DPRINT_L1("sending CMD%u ARG[0x%08x]\n", request.cmd, request.arg); - rlen = sd_do_command(s->card, &request, response); - - if (s->cmdreg & SDHC_CMD_RESPONSE) { - if (rlen == 4) { - s->rspreg[0] = (response[0] << 24) | (response[1] << 16) | - (response[2] << 8) | response[3]; - s->rspreg[1] = s->rspreg[2] = s->rspreg[3] = 0; - DPRINT_L1("Response: RSPREG[31..0]=0x%08x\n", s->rspreg[0]); - } else if (rlen == 16) { - s->rspreg[0] = (response[11] << 24) | (response[12] << 16) | - (response[13] << 8) | response[14]; - s->rspreg[1] = (response[7] << 24) | (response[8] << 16) | - (response[9] << 8) | response[10]; - s->rspreg[2] = (response[3] << 24) | (response[4] << 16) | - (response[5] << 8) | response[6]; - s->rspreg[3] = (response[0] << 16) | (response[1] << 8) | - response[2]; - DPRINT_L1("Response received:\n RSPREG[127..96]=0x%08x, RSPREG[95.." - "64]=0x%08x,\n RSPREG[63..32]=0x%08x, RSPREG[31..0]=0x%08x\n", - s->rspreg[3], s->rspreg[2], s->rspreg[1], s->rspreg[0]); - } else { - ERRPRINT("Timeout waiting for command response\n"); - if (s->errintstsen & SDHC_EISEN_CMDTIMEOUT) { - s->errintsts |= SDHC_EIS_CMDTIMEOUT; - s->norintsts |= SDHC_NIS_ERR; - } - } - - if ((s->norintstsen & SDHC_NISEN_TRSCMP) && - (s->cmdreg & SDHC_CMD_RESPONSE) == SDHC_CMD_RSP_WITH_BUSY) { - s->norintsts |= SDHC_NIS_TRSCMP; - } - } else if (rlen != 0 && (s->errintstsen & SDHC_EISEN_CMDIDX)) { - s->errintsts |= SDHC_EIS_CMDIDX; - s->norintsts |= SDHC_NIS_ERR; - } - - if (s->norintstsen & SDHC_NISEN_CMDCMP) { - s->norintsts |= SDHC_NIS_CMDCMP; - } - - sdhci_update_irq(s); - - if (s->blksize && (s->cmdreg & SDHC_CMD_DATA_PRESENT)) { - sdhci_do_data_transfer(s); - } -} - -static void sdhci_end_transfer(SDHCIState *s) -{ - /* Automatically send CMD12 to stop transfer if AutoCMD12 enabled */ - if ((s->trnmod & SDHC_TRNS_ACMD12) != 0) { - SDRequest request; - uint8_t response[16]; - - request.cmd = 0x0C; - request.arg = 0; - DPRINT_L1("Automatically issue CMD%d %08x\n", request.cmd, request.arg); - sd_do_command(s->card, &request, response); - /* Auto CMD12 response goes to the upper Response register */ - s->rspreg[3] = (response[0] << 24) | (response[1] << 16) | - (response[2] << 8) | response[3]; - } - - s->prnsts &= ~(SDHC_DOING_READ | SDHC_DOING_WRITE | - SDHC_DAT_LINE_ACTIVE | SDHC_DATA_INHIBIT | - SDHC_SPACE_AVAILABLE | SDHC_DATA_AVAILABLE); - - if (s->norintstsen & SDHC_NISEN_TRSCMP) { - s->norintsts |= SDHC_NIS_TRSCMP; - } - - sdhci_update_irq(s); -} - -/* - * Programmed i/o data transfer - */ - -/* Fill host controller's read buffer with BLKSIZE bytes of data from card */ -static void sdhci_read_block_from_card(SDHCIState *s) -{ - int index = 0; - - if ((s->trnmod & SDHC_TRNS_MULTI) && - (s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0)) { - return; - } - - for (index = 0; index < (s->blksize & 0x0fff); index++) { - s->fifo_buffer[index] = sd_read_data(s->card); - } - - /* New data now available for READ through Buffer Port Register */ - s->prnsts |= SDHC_DATA_AVAILABLE; - if (s->norintstsen & SDHC_NISEN_RBUFRDY) { - s->norintsts |= SDHC_NIS_RBUFRDY; - } - - /* Clear DAT line active status if that was the last block */ - if ((s->trnmod & SDHC_TRNS_MULTI) == 0 || - ((s->trnmod & SDHC_TRNS_MULTI) && s->blkcnt == 1)) { - s->prnsts &= ~SDHC_DAT_LINE_ACTIVE; - } - - /* If stop at block gap request was set and it's not the last block of - * data - generate Block Event interrupt */ - if (s->stopped_state == sdhc_gap_read && (s->trnmod & SDHC_TRNS_MULTI) && - s->blkcnt != 1) { - s->prnsts &= ~SDHC_DAT_LINE_ACTIVE; - if (s->norintstsen & SDHC_EISEN_BLKGAP) { - s->norintsts |= SDHC_EIS_BLKGAP; - } - } - - sdhci_update_irq(s); -} - -/* Read @size byte of data from host controller @s BUFFER DATA PORT register */ -static uint32_t sdhci_read_dataport(SDHCIState *s, unsigned size) -{ - uint32_t value = 0; - int i; - - /* first check that a valid data exists in host controller input buffer */ - if ((s->prnsts & SDHC_DATA_AVAILABLE) == 0) { - ERRPRINT("Trying to read from empty buffer\n"); - return 0; - } - - for (i = 0; i < size; i++) { - value |= s->fifo_buffer[s->data_count] << i * 8; - s->data_count++; - /* check if we've read all valid data (blksize bytes) from buffer */ - if ((s->data_count) >= (s->blksize & 0x0fff)) { - DPRINT_L2("All %u bytes of data have been read from input buffer\n", - s->data_count); - s->prnsts &= ~SDHC_DATA_AVAILABLE; /* no more data in a buffer */ - s->data_count = 0; /* next buff read must start at position [0] */ - - if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) { - s->blkcnt--; - } - - /* if that was the last block of data */ - if ((s->trnmod & SDHC_TRNS_MULTI) == 0 || - ((s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0)) || - /* stop at gap request */ - (s->stopped_state == sdhc_gap_read && - !(s->prnsts & SDHC_DAT_LINE_ACTIVE))) { - SDHCI_GET_CLASS(s)->end_data_transfer(s); - } else { /* if there are more data, read next block from card */ - SDHCI_GET_CLASS(s)->read_block_from_card(s); - } - break; - } - } - - return value; -} - -/* Write data from host controller FIFO to card */ -static void sdhci_write_block_to_card(SDHCIState *s) -{ - int index = 0; - - if (s->prnsts & SDHC_SPACE_AVAILABLE) { - if (s->norintstsen & SDHC_NISEN_WBUFRDY) { - s->norintsts |= SDHC_NIS_WBUFRDY; - } - sdhci_update_irq(s); - return; - } - - if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) { - if (s->blkcnt == 0) { - return; - } else { - s->blkcnt--; - } - } - - for (index = 0; index < (s->blksize & 0x0fff); index++) { - sd_write_data(s->card, s->fifo_buffer[index]); - } - - /* Next data can be written through BUFFER DATORT register */ - s->prnsts |= SDHC_SPACE_AVAILABLE; - if (s->norintstsen & SDHC_NISEN_WBUFRDY) { - s->norintsts |= SDHC_NIS_WBUFRDY; - } - - /* Finish transfer if that was the last block of data */ - if ((s->trnmod & SDHC_TRNS_MULTI) == 0 || - ((s->trnmod & SDHC_TRNS_MULTI) && - (s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0))) { - SDHCI_GET_CLASS(s)->end_data_transfer(s); - } - - /* Generate Block Gap Event if requested and if not the last block */ - if (s->stopped_state == sdhc_gap_write && (s->trnmod & SDHC_TRNS_MULTI) && - s->blkcnt > 0) { - s->prnsts &= ~SDHC_DOING_WRITE; - if (s->norintstsen & SDHC_EISEN_BLKGAP) { - s->norintsts |= SDHC_EIS_BLKGAP; - } - SDHCI_GET_CLASS(s)->end_data_transfer(s); - } - - sdhci_update_irq(s); -} - -/* Write @size bytes of @value data to host controller @s Buffer Data Port - * register */ -static void sdhci_write_dataport(SDHCIState *s, uint32_t value, unsigned size) -{ - unsigned i; - - /* Check that there is free space left in a buffer */ - if (!(s->prnsts & SDHC_SPACE_AVAILABLE)) { - ERRPRINT("Can't write to data buffer: buffer full\n"); - return; - } - - for (i = 0; i < size; i++) { - s->fifo_buffer[s->data_count] = value & 0xFF; - s->data_count++; - value >>= 8; - if (s->data_count >= (s->blksize & 0x0fff)) { - DPRINT_L2("write buffer filled with %u bytes of data\n", - s->data_count); - s->data_count = 0; - s->prnsts &= ~SDHC_SPACE_AVAILABLE; - if (s->prnsts & SDHC_DOING_WRITE) { - SDHCI_GET_CLASS(s)->write_block_to_card(s); - } - } - } -} - -/* - * Single DMA data transfer - */ - -/* Multi block SDMA transfer */ -static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s) -{ - bool page_aligned = false; - unsigned int n, begin; - const uint16_t block_size = s->blksize & 0x0fff; - uint32_t boundary_chk = 1 << (((s->blksize & 0xf000) >> 12) + 12); - uint32_t boundary_count = boundary_chk - (s->sdmasysad % boundary_chk); - - /* XXX: Some sd/mmc drivers (for example, u-boot-slp) do not account for - * possible stop at page boundary if initial address is not page aligned, - * allow them to work properly */ - if ((s->sdmasysad % boundary_chk) == 0) { - page_aligned = true; - } - - if (s->trnmod & SDHC_TRNS_READ) { - s->prnsts |= SDHC_DOING_READ | SDHC_DATA_INHIBIT | - SDHC_DAT_LINE_ACTIVE; - while (s->blkcnt) { - if (s->data_count == 0) { - for (n = 0; n < block_size; n++) { - s->fifo_buffer[n] = sd_read_data(s->card); - } - } - begin = s->data_count; - if (((boundary_count + begin) < block_size) && page_aligned) { - s->data_count = boundary_count + begin; - boundary_count = 0; - } else { - s->data_count = block_size; - boundary_count -= block_size - begin; - if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) { - s->blkcnt--; - } - } - dma_memory_write(&dma_context_memory, s->sdmasysad, - &s->fifo_buffer[begin], s->data_count - begin); - s->sdmasysad += s->data_count - begin; - if (s->data_count == block_size) { - s->data_count = 0; - } - if (page_aligned && boundary_count == 0) { - break; - } - } - } else { - s->prnsts |= SDHC_DOING_WRITE | SDHC_DATA_INHIBIT | - SDHC_DAT_LINE_ACTIVE; - while (s->blkcnt) { - begin = s->data_count; - if (((boundary_count + begin) < block_size) && page_aligned) { - s->data_count = boundary_count + begin; - boundary_count = 0; - } else { - s->data_count = block_size; - boundary_count -= block_size - begin; - } - dma_memory_read(&dma_context_memory, s->sdmasysad, - &s->fifo_buffer[begin], s->data_count); - s->sdmasysad += s->data_count - begin; - if (s->data_count == block_size) { - for (n = 0; n < block_size; n++) { - sd_write_data(s->card, s->fifo_buffer[n]); - } - s->data_count = 0; - if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) { - s->blkcnt--; - } - } - if (page_aligned && boundary_count == 0) { - break; - } - } - } - - if (s->blkcnt == 0) { - SDHCI_GET_CLASS(s)->end_data_transfer(s); - } else { - if (s->norintstsen & SDHC_NISEN_DMA) { - s->norintsts |= SDHC_NIS_DMA; - } - sdhci_update_irq(s); - } -} - -/* single block SDMA transfer */ - -static void sdhci_sdma_transfer_single_block(SDHCIState *s) -{ - int n; - uint32_t datacnt = s->blksize & 0x0fff; - - if (s->trnmod & SDHC_TRNS_READ) { - for (n = 0; n < datacnt; n++) { - s->fifo_buffer[n] = sd_read_data(s->card); - } - dma_memory_write(&dma_context_memory, s->sdmasysad, s->fifo_buffer, - datacnt); - } else { - dma_memory_read(&dma_context_memory, s->sdmasysad, s->fifo_buffer, - datacnt); - for (n = 0; n < datacnt; n++) { - sd_write_data(s->card, s->fifo_buffer[n]); - } - } - - if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) { - s->blkcnt--; - } - - SDHCI_GET_CLASS(s)->end_data_transfer(s); -} - -typedef struct ADMADescr { - hwaddr addr; - uint16_t length; - uint8_t attr; - uint8_t incr; -} ADMADescr; - -static void get_adma_description(SDHCIState *s, ADMADescr *dscr) -{ - uint32_t adma1 = 0; - uint64_t adma2 = 0; - hwaddr entry_addr = (hwaddr)s->admasysaddr; - switch (SDHC_DMA_TYPE(s->hostctl)) { - case SDHC_CTRL_ADMA2_32: - dma_memory_read(&dma_context_memory, entry_addr, (uint8_t *)&adma2, - sizeof(adma2)); - adma2 = le64_to_cpu(adma2); - /* The spec does not specify endianness of descriptor table. - * We currently assume that it is LE. - */ - dscr->addr = (hwaddr)extract64(adma2, 32, 32) & ~0x3ull; - dscr->length = (uint16_t)extract64(adma2, 16, 16); - dscr->attr = (uint8_t)extract64(adma2, 0, 7); - dscr->incr = 8; - break; - case SDHC_CTRL_ADMA1_32: - dma_memory_read(&dma_context_memory, entry_addr, (uint8_t *)&adma1, - sizeof(adma1)); - adma1 = le32_to_cpu(adma1); - dscr->addr = (hwaddr)(adma1 & 0xFFFFF000); - dscr->attr = (uint8_t)extract32(adma1, 0, 7); - dscr->incr = 4; - if ((dscr->attr & SDHC_ADMA_ATTR_ACT_MASK) == SDHC_ADMA_ATTR_SET_LEN) { - dscr->length = (uint16_t)extract32(adma1, 12, 16); - } else { - dscr->length = 4096; - } - break; - case SDHC_CTRL_ADMA2_64: - dma_memory_read(&dma_context_memory, entry_addr, - (uint8_t *)(&dscr->attr), 1); - dma_memory_read(&dma_context_memory, entry_addr + 2, - (uint8_t *)(&dscr->length), 2); - dscr->length = le16_to_cpu(dscr->length); - dma_memory_read(&dma_context_memory, entry_addr + 4, - (uint8_t *)(&dscr->addr), 8); - dscr->attr = le64_to_cpu(dscr->attr); - dscr->attr &= 0xfffffff8; - dscr->incr = 12; - break; - } -} - -/* Advanced DMA data transfer */ - -static void sdhci_do_adma(SDHCIState *s) -{ - unsigned int n, begin, length; - const uint16_t block_size = s->blksize & 0x0fff; - ADMADescr dscr; - int i; - - for (i = 0; i < SDHC_ADMA_DESCS_PER_DELAY; ++i) { - s->admaerr &= ~SDHC_ADMAERR_LENGTH_MISMATCH; - - get_adma_description(s, &dscr); - DPRINT_L2("ADMA loop: addr=" TARGET_FMT_plx ", len=%d, attr=%x\n", - dscr.addr, dscr.length, dscr.attr); - - if ((dscr.attr & SDHC_ADMA_ATTR_VALID) == 0) { - /* Indicate that error occurred in ST_FDS state */ - s->admaerr &= ~SDHC_ADMAERR_STATE_MASK; - s->admaerr |= SDHC_ADMAERR_STATE_ST_FDS; - - /* Generate ADMA error interrupt */ - if (s->errintstsen & SDHC_EISEN_ADMAERR) { - s->errintsts |= SDHC_EIS_ADMAERR; - s->norintsts |= SDHC_NIS_ERR; - } - - sdhci_update_irq(s); - return; - } - - length = dscr.length ? dscr.length : 65536; - - switch (dscr.attr & SDHC_ADMA_ATTR_ACT_MASK) { - case SDHC_ADMA_ATTR_ACT_TRAN: /* data transfer */ - - if (s->trnmod & SDHC_TRNS_READ) { - while (length) { - if (s->data_count == 0) { - for (n = 0; n < block_size; n++) { - s->fifo_buffer[n] = sd_read_data(s->card); - } - } - begin = s->data_count; - if ((length + begin) < block_size) { - s->data_count = length + begin; - length = 0; - } else { - s->data_count = block_size; - length -= block_size - begin; - } - dma_memory_write(&dma_context_memory, dscr.addr, - &s->fifo_buffer[begin], - s->data_count - begin); - dscr.addr += s->data_count - begin; - if (s->data_count == block_size) { - s->data_count = 0; - if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) { - s->blkcnt--; - if (s->blkcnt == 0) { - break; - } - } - } - } - } else { - while (length) { - begin = s->data_count; - if ((length + begin) < block_size) { - s->data_count = length + begin; - length = 0; - } else { - s->data_count = block_size; - length -= block_size - begin; - } - dma_memory_read(&dma_context_memory, dscr.addr, - &s->fifo_buffer[begin], s->data_count); - dscr.addr += s->data_count - begin; - if (s->data_count == block_size) { - for (n = 0; n < block_size; n++) { - sd_write_data(s->card, s->fifo_buffer[n]); - } - s->data_count = 0; - if (s->trnmod & SDHC_TRNS_BLK_CNT_EN) { - s->blkcnt--; - if (s->blkcnt == 0) { - break; - } - } - } - } - } - s->admasysaddr += dscr.incr; - break; - case SDHC_ADMA_ATTR_ACT_LINK: /* link to next descriptor table */ - s->admasysaddr = dscr.addr; - DPRINT_L1("ADMA link: admasysaddr=0x%lx\n", s->admasysaddr); - break; - default: - s->admasysaddr += dscr.incr; - break; - } - - /* ADMA transfer terminates if blkcnt == 0 or by END attribute */ - if (((s->trnmod & SDHC_TRNS_BLK_CNT_EN) && - (s->blkcnt == 0)) || (dscr.attr & SDHC_ADMA_ATTR_END)) { - DPRINT_L2("ADMA transfer completed\n"); - if (length || ((dscr.attr & SDHC_ADMA_ATTR_END) && - (s->trnmod & SDHC_TRNS_BLK_CNT_EN) && - s->blkcnt != 0)) { - ERRPRINT("SD/MMC host ADMA length mismatch\n"); - s->admaerr |= SDHC_ADMAERR_LENGTH_MISMATCH | - SDHC_ADMAERR_STATE_ST_TFR; - if (s->errintstsen & SDHC_EISEN_ADMAERR) { - ERRPRINT("Set ADMA error flag\n"); - s->errintsts |= SDHC_EIS_ADMAERR; - s->norintsts |= SDHC_NIS_ERR; - } - - sdhci_update_irq(s); - } - SDHCI_GET_CLASS(s)->end_data_transfer(s); - return; - } - - if (dscr.attr & SDHC_ADMA_ATTR_INT) { - DPRINT_L1("ADMA interrupt: admasysaddr=0x%lx\n", s->admasysaddr); - if (s->norintstsen & SDHC_NISEN_DMA) { - s->norintsts |= SDHC_NIS_DMA; - } - - sdhci_update_irq(s); - return; - } - } - - /* we have unfinished business - reschedule to continue ADMA */ - qemu_mod_timer(s->transfer_timer, - qemu_get_clock_ns(vm_clock) + SDHC_TRANSFER_DELAY); -} - -/* Perform data transfer according to controller configuration */ - -static void sdhci_data_transfer(SDHCIState *s) -{ - SDHCIClass *k = SDHCI_GET_CLASS(s); - s->data_count = 0; - - if (s->trnmod & SDHC_TRNS_DMA) { - switch (SDHC_DMA_TYPE(s->hostctl)) { - case SDHC_CTRL_SDMA: - if ((s->trnmod & SDHC_TRNS_MULTI) && - (!(s->trnmod & SDHC_TRNS_BLK_CNT_EN) || s->blkcnt == 0)) { - break; - } - - if ((s->blkcnt == 1) || !(s->trnmod & SDHC_TRNS_MULTI)) { - k->do_sdma_single(s); - } else { - k->do_sdma_multi(s); - } - - break; - case SDHC_CTRL_ADMA1_32: - if (!(s->capareg & SDHC_CAN_DO_ADMA1)) { - ERRPRINT("ADMA1 not supported\n"); - break; - } - - k->do_adma(s); - break; - case SDHC_CTRL_ADMA2_32: - if (!(s->capareg & SDHC_CAN_DO_ADMA2)) { - ERRPRINT("ADMA2 not supported\n"); - break; - } - - k->do_adma(s); - break; - case SDHC_CTRL_ADMA2_64: - if (!(s->capareg & SDHC_CAN_DO_ADMA2) || - !(s->capareg & SDHC_64_BIT_BUS_SUPPORT)) { - ERRPRINT("64 bit ADMA not supported\n"); - break; - } - - k->do_adma(s); - break; - default: - ERRPRINT("Unsupported DMA type\n"); - break; - } - } else { - if ((s->trnmod & SDHC_TRNS_READ) && sd_data_ready(s->card)) { - s->prnsts |= SDHC_DOING_READ | SDHC_DATA_INHIBIT | - SDHC_DAT_LINE_ACTIVE; - SDHCI_GET_CLASS(s)->read_block_from_card(s); - } else { - s->prnsts |= SDHC_DOING_WRITE | SDHC_DAT_LINE_ACTIVE | - SDHC_SPACE_AVAILABLE | SDHC_DATA_INHIBIT; - SDHCI_GET_CLASS(s)->write_block_to_card(s); - } - } -} - -static bool sdhci_can_issue_command(SDHCIState *s) -{ - if (!SDHC_CLOCK_IS_ON(s->clkcon) || !(s->pwrcon & SDHC_POWER_ON) || - (((s->prnsts & SDHC_DATA_INHIBIT) || s->stopped_state) && - ((s->cmdreg & SDHC_CMD_DATA_PRESENT) || - ((s->cmdreg & SDHC_CMD_RESPONSE) == SDHC_CMD_RSP_WITH_BUSY && - !(SDHC_COMMAND_TYPE(s->cmdreg) == SDHC_CMD_ABORT))))) { - return false; - } - - return true; -} - -/* The Buffer Data Port register must be accessed in sequential and - * continuous manner */ -static inline bool -sdhci_buff_access_is_sequential(SDHCIState *s, unsigned byte_num) -{ - if ((s->data_count & 0x3) != byte_num) { - ERRPRINT("Non-sequential access to Buffer Data Port register" - "is prohibited\n"); - return false; - } - return true; -} - -static uint32_t sdhci_read(SDHCIState *s, unsigned int offset, unsigned size) -{ - uint32_t ret = 0; - - switch (offset & ~0x3) { - case SDHC_SYSAD: - ret = s->sdmasysad; - break; - case SDHC_BLKSIZE: - ret = s->blksize | (s->blkcnt << 16); - break; - case SDHC_ARGUMENT: - ret = s->argument; - break; - case SDHC_TRNMOD: - ret = s->trnmod | (s->cmdreg << 16); - break; - case SDHC_RSPREG0 ... SDHC_RSPREG3: - ret = s->rspreg[((offset & ~0x3) - SDHC_RSPREG0) >> 2]; - break; - case SDHC_BDATA: - if (sdhci_buff_access_is_sequential(s, offset - SDHC_BDATA)) { - ret = SDHCI_GET_CLASS(s)->bdata_read(s, size); - DPRINT_L2("read %ub: addr[0x%04x] -> %u\n", size, offset, ret); - return ret; - } - break; - case SDHC_PRNSTS: - ret = s->prnsts; - break; - case SDHC_HOSTCTL: - ret = s->hostctl | (s->pwrcon << 8) | (s->blkgap << 16) | - (s->wakcon << 24); - break; - case SDHC_CLKCON: - ret = s->clkcon | (s->timeoutcon << 16); - break; - case SDHC_NORINTSTS: - ret = s->norintsts | (s->errintsts << 16); - break; - case SDHC_NORINTSTSEN: - ret = s->norintstsen | (s->errintstsen << 16); - break; - case SDHC_NORINTSIGEN: - ret = s->norintsigen | (s->errintsigen << 16); - break; - case SDHC_ACMD12ERRSTS: - ret = s->acmd12errsts; - break; - case SDHC_CAPAREG: - ret = s->capareg; - break; - case SDHC_MAXCURR: - ret = s->maxcurr; - break; - case SDHC_ADMAERR: - ret = s->admaerr; - break; - case SDHC_ADMASYSADDR: - ret = (uint32_t)s->admasysaddr; - break; - case SDHC_ADMASYSADDR + 4: - ret = (uint32_t)(s->admasysaddr >> 32); - break; - case SDHC_SLOT_INT_STATUS: - ret = (SD_HOST_SPECv2_VERS << 16) | sdhci_slotint(s); - break; - default: - ERRPRINT("bad %ub read: addr[0x%04x]\n", size, offset); - break; - } - - ret >>= (offset & 0x3) * 8; - ret &= (1ULL << (size * 8)) - 1; - DPRINT_L2("read %ub: addr[0x%04x] -> %u(0x%x)\n", size, offset, ret, ret); - return ret; -} - -static inline void sdhci_blkgap_write(SDHCIState *s, uint8_t value) -{ - if ((value & SDHC_STOP_AT_GAP_REQ) && (s->blkgap & SDHC_STOP_AT_GAP_REQ)) { - return; - } - s->blkgap = value & SDHC_STOP_AT_GAP_REQ; - - if ((value & SDHC_CONTINUE_REQ) && s->stopped_state && - (s->blkgap & SDHC_STOP_AT_GAP_REQ) == 0) { - if (s->stopped_state == sdhc_gap_read) { - s->prnsts |= SDHC_DAT_LINE_ACTIVE | SDHC_DOING_READ; - SDHCI_GET_CLASS(s)->read_block_from_card(s); - } else { - s->prnsts |= SDHC_DAT_LINE_ACTIVE | SDHC_DOING_WRITE; - SDHCI_GET_CLASS(s)->write_block_to_card(s); - } - s->stopped_state = sdhc_not_stopped; - } else if (!s->stopped_state && (value & SDHC_STOP_AT_GAP_REQ)) { - if (s->prnsts & SDHC_DOING_READ) { - s->stopped_state = sdhc_gap_read; - } else if (s->prnsts & SDHC_DOING_WRITE) { - s->stopped_state = sdhc_gap_write; - } - } -} - -static inline void sdhci_reset_write(SDHCIState *s, uint8_t value) -{ - switch (value) { - case SDHC_RESET_ALL: - DEVICE_GET_CLASS(s)->reset(DEVICE(s)); - break; - case SDHC_RESET_CMD: - s->prnsts &= ~SDHC_CMD_INHIBIT; - s->norintsts &= ~SDHC_NIS_CMDCMP; - break; - case SDHC_RESET_DATA: - s->data_count = 0; - s->prnsts &= ~(SDHC_SPACE_AVAILABLE | SDHC_DATA_AVAILABLE | - SDHC_DOING_READ | SDHC_DOING_WRITE | - SDHC_DATA_INHIBIT | SDHC_DAT_LINE_ACTIVE); - s->blkgap &= ~(SDHC_STOP_AT_GAP_REQ | SDHC_CONTINUE_REQ); - s->stopped_state = sdhc_not_stopped; - s->norintsts &= ~(SDHC_NIS_WBUFRDY | SDHC_NIS_RBUFRDY | - SDHC_NIS_DMA | SDHC_NIS_TRSCMP | SDHC_NIS_BLKGAP); - break; - } -} - -static void -sdhci_write(SDHCIState *s, unsigned int offset, uint32_t value, unsigned size) -{ - unsigned shift = 8 * (offset & 0x3); - uint32_t mask = ~(((1ULL << (size * 8)) - 1) << shift); - value <<= shift; - - switch (offset & ~0x3) { - case SDHC_SYSAD: - s->sdmasysad = (s->sdmasysad & mask) | value; - MASKED_WRITE(s->sdmasysad, mask, value); - /* Writing to last byte of sdmasysad might trigger transfer */ - if (!(mask & 0xFF000000) && TRANSFERRING_DATA(s->prnsts) && s->blkcnt && - s->blksize && SDHC_DMA_TYPE(s->hostctl) == SDHC_CTRL_SDMA) { - SDHCI_GET_CLASS(s)->do_sdma_multi(s); - } - break; - case SDHC_BLKSIZE: - if (!TRANSFERRING_DATA(s->prnsts)) { - MASKED_WRITE(s->blksize, mask, value); - MASKED_WRITE(s->blkcnt, mask >> 16, value >> 16); - } - break; - case SDHC_ARGUMENT: - MASKED_WRITE(s->argument, mask, value); - break; - case SDHC_TRNMOD: - /* DMA can be enabled only if it is supported as indicated by - * capabilities register */ - if (!(s->capareg & SDHC_CAN_DO_DMA)) { - value &= ~SDHC_TRNS_DMA; - } - MASKED_WRITE(s->trnmod, mask, value); - MASKED_WRITE(s->cmdreg, mask >> 16, value >> 16); - - /* Writing to the upper byte of CMDREG triggers SD command generation */ - if ((mask & 0xFF000000) || !SDHCI_GET_CLASS(s)->can_issue_command(s)) { - break; - } - - SDHCI_GET_CLASS(s)->send_command(s); - break; - case SDHC_BDATA: - if (sdhci_buff_access_is_sequential(s, offset - SDHC_BDATA)) { - SDHCI_GET_CLASS(s)->bdata_write(s, value >> shift, size); - } - break; - case SDHC_HOSTCTL: - if (!(mask & 0xFF0000)) { - sdhci_blkgap_write(s, value >> 16); - } - MASKED_WRITE(s->hostctl, mask, value); - MASKED_WRITE(s->pwrcon, mask >> 8, value >> 8); - MASKED_WRITE(s->wakcon, mask >> 24, value >> 24); - if (!(s->prnsts & SDHC_CARD_PRESENT) || ((s->pwrcon >> 1) & 0x7) < 5 || - !(s->capareg & (1 << (31 - ((s->pwrcon >> 1) & 0x7))))) { - s->pwrcon &= ~SDHC_POWER_ON; - } - break; - case SDHC_CLKCON: - if (!(mask & 0xFF000000)) { - sdhci_reset_write(s, value >> 24); - } - MASKED_WRITE(s->clkcon, mask, value); - MASKED_WRITE(s->timeoutcon, mask >> 16, value >> 16); - if (s->clkcon & SDHC_CLOCK_INT_EN) { - s->clkcon |= SDHC_CLOCK_INT_STABLE; - } else { - s->clkcon &= ~SDHC_CLOCK_INT_STABLE; - } - break; - case SDHC_NORINTSTS: - if (s->norintstsen & SDHC_NISEN_CARDINT) { - value &= ~SDHC_NIS_CARDINT; - } - s->norintsts &= mask | ~value; - s->errintsts &= (mask >> 16) | ~(value >> 16); - if (s->errintsts) { - s->norintsts |= SDHC_NIS_ERR; - } else { - s->norintsts &= ~SDHC_NIS_ERR; - } - sdhci_update_irq(s); - break; - case SDHC_NORINTSTSEN: - MASKED_WRITE(s->norintstsen, mask, value); - MASKED_WRITE(s->errintstsen, mask >> 16, value >> 16); - s->norintsts &= s->norintstsen; - s->errintsts &= s->errintstsen; - if (s->errintsts) { - s->norintsts |= SDHC_NIS_ERR; - } else { - s->norintsts &= ~SDHC_NIS_ERR; - } - sdhci_update_irq(s); - break; - case SDHC_NORINTSIGEN: - MASKED_WRITE(s->norintsigen, mask, value); - MASKED_WRITE(s->errintsigen, mask >> 16, value >> 16); - sdhci_update_irq(s); - break; - case SDHC_ADMAERR: - MASKED_WRITE(s->admaerr, mask, value); - break; - case SDHC_ADMASYSADDR: - s->admasysaddr = (s->admasysaddr & (0xFFFFFFFF00000000ULL | - (uint64_t)mask)) | (uint64_t)value; - break; - case SDHC_ADMASYSADDR + 4: - s->admasysaddr = (s->admasysaddr & (0x00000000FFFFFFFFULL | - ((uint64_t)mask << 32))) | ((uint64_t)value << 32); - break; - case SDHC_FEAER: - s->acmd12errsts |= value; - s->errintsts |= (value >> 16) & s->errintstsen; - if (s->acmd12errsts) { - s->errintsts |= SDHC_EIS_CMD12ERR; - } - if (s->errintsts) { - s->norintsts |= SDHC_NIS_ERR; - } - sdhci_update_irq(s); - break; - default: - ERRPRINT("bad %ub write offset: addr[0x%04x] <- %u(0x%x)\n", - size, offset, value >> shift, value >> shift); - break; - } - DPRINT_L2("write %ub: addr[0x%04x] <- %u(0x%x)\n", - size, offset, value >> shift, value >> shift); -} - -static uint64_t -sdhci_readfn(void *opaque, hwaddr offset, unsigned size) -{ - SDHCIState *s = (SDHCIState *)opaque; - - return SDHCI_GET_CLASS(s)->mem_read(s, offset, size); -} - -static void -sdhci_writefn(void *opaque, hwaddr off, uint64_t val, unsigned sz) -{ - SDHCIState *s = (SDHCIState *)opaque; - - SDHCI_GET_CLASS(s)->mem_write(s, off, val, sz); -} - -static const MemoryRegionOps sdhci_mmio_ops = { - .read = sdhci_readfn, - .write = sdhci_writefn, - .valid = { - .min_access_size = 1, - .max_access_size = 4, - .unaligned = false - }, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static inline unsigned int sdhci_get_fifolen(SDHCIState *s) -{ - switch (SDHC_CAPAB_BLOCKSIZE(s->capareg)) { - case 0: - return 512; - case 1: - return 1024; - case 2: - return 2048; - default: - hw_error("SDHC: unsupported value for maximum block size\n"); - return 0; - } -} - -static void sdhci_initfn(Object *obj) -{ - SDHCIState *s = SDHCI(obj); - DriveInfo *di; - - di = drive_get_next(IF_SD); - s->card = sd_init(di ? di->bdrv : NULL, 0); - s->eject_cb = qemu_allocate_irqs(sdhci_insert_eject_cb, s, 1)[0]; - s->ro_cb = qemu_allocate_irqs(sdhci_card_readonly_cb, s, 1)[0]; - sd_set_cb(s->card, s->ro_cb, s->eject_cb); - - s->insert_timer = qemu_new_timer_ns(vm_clock, sdhci_raise_insertion_irq, s); - s->transfer_timer = qemu_new_timer_ns(vm_clock, sdhci_do_data_transfer, s); -} - -static void sdhci_uninitfn(Object *obj) -{ - SDHCIState *s = SDHCI(obj); - - qemu_del_timer(s->insert_timer); - qemu_free_timer(s->insert_timer); - qemu_del_timer(s->transfer_timer); - qemu_free_timer(s->transfer_timer); - qemu_free_irqs(&s->eject_cb); - qemu_free_irqs(&s->ro_cb); - - if (s->fifo_buffer) { - g_free(s->fifo_buffer); - s->fifo_buffer = NULL; - } -} - -const VMStateDescription sdhci_vmstate = { - .name = "sdhci", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT32(sdmasysad, SDHCIState), - VMSTATE_UINT16(blksize, SDHCIState), - VMSTATE_UINT16(blkcnt, SDHCIState), - VMSTATE_UINT32(argument, SDHCIState), - VMSTATE_UINT16(trnmod, SDHCIState), - VMSTATE_UINT16(cmdreg, SDHCIState), - VMSTATE_UINT32_ARRAY(rspreg, SDHCIState, 4), - VMSTATE_UINT32(prnsts, SDHCIState), - VMSTATE_UINT8(hostctl, SDHCIState), - VMSTATE_UINT8(pwrcon, SDHCIState), - VMSTATE_UINT8(blkgap, SDHCIState), - VMSTATE_UINT8(wakcon, SDHCIState), - VMSTATE_UINT16(clkcon, SDHCIState), - VMSTATE_UINT8(timeoutcon, SDHCIState), - VMSTATE_UINT8(admaerr, SDHCIState), - VMSTATE_UINT16(norintsts, SDHCIState), - VMSTATE_UINT16(errintsts, SDHCIState), - VMSTATE_UINT16(norintstsen, SDHCIState), - VMSTATE_UINT16(errintstsen, SDHCIState), - VMSTATE_UINT16(norintsigen, SDHCIState), - VMSTATE_UINT16(errintsigen, SDHCIState), - VMSTATE_UINT16(acmd12errsts, SDHCIState), - VMSTATE_UINT16(data_count, SDHCIState), - VMSTATE_UINT64(admasysaddr, SDHCIState), - VMSTATE_UINT8(stopped_state, SDHCIState), - VMSTATE_VBUFFER_UINT32(fifo_buffer, SDHCIState, 1, NULL, 0, buf_maxsz), - VMSTATE_TIMER(insert_timer, SDHCIState), - VMSTATE_TIMER(transfer_timer, SDHCIState), - VMSTATE_END_OF_LIST() - } -}; - -/* Capabilities registers provide information on supported features of this - * specific host controller implementation */ -static Property sdhci_properties[] = { - DEFINE_PROP_HEX32("capareg", SDHCIState, capareg, - SDHC_CAPAB_REG_DEFAULT), - DEFINE_PROP_HEX32("maxcurr", SDHCIState, maxcurr, 0), - DEFINE_PROP_END_OF_LIST(), -}; - -static void sdhci_realize(DeviceState *dev, Error ** errp) -{ - SDHCIState *s = SDHCI(dev); - SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - - s->buf_maxsz = sdhci_get_fifolen(s); - s->fifo_buffer = g_malloc0(s->buf_maxsz); - sysbus_init_irq(sbd, &s->irq); - memory_region_init_io(&s->iomem, &sdhci_mmio_ops, s, "sdhci", - SDHC_REGISTERS_MAP_SIZE); - sysbus_init_mmio(sbd, &s->iomem); -} - -static void sdhci_generic_reset(DeviceState *ds) -{ - SDHCIState *s = SDHCI(ds); - SDHCI_GET_CLASS(s)->reset(s); -} - -static void sdhci_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SDHCIClass *k = SDHCI_CLASS(klass); - - dc->vmsd = &sdhci_vmstate; - dc->props = sdhci_properties; - dc->reset = sdhci_generic_reset; - dc->realize = sdhci_realize; - - k->reset = sdhci_reset; - k->mem_read = sdhci_read; - k->mem_write = sdhci_write; - k->send_command = sdhci_send_command; - k->can_issue_command = sdhci_can_issue_command; - k->data_transfer = sdhci_data_transfer; - k->end_data_transfer = sdhci_end_transfer; - k->do_sdma_single = sdhci_sdma_transfer_single_block; - k->do_sdma_multi = sdhci_sdma_transfer_multi_blocks; - k->do_adma = sdhci_do_adma; - k->read_block_from_card = sdhci_read_block_from_card; - k->write_block_to_card = sdhci_write_block_to_card; - k->bdata_read = sdhci_read_dataport; - k->bdata_write = sdhci_write_dataport; -} - -static const TypeInfo sdhci_type_info = { - .name = TYPE_SDHCI, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(SDHCIState), - .instance_init = sdhci_initfn, - .instance_finalize = sdhci_uninitfn, - .class_init = sdhci_class_init, - .class_size = sizeof(SDHCIClass) -}; - -static void sdhci_register_types(void) -{ - type_register_static(&sdhci_type_info); -} - -type_init(sdhci_register_types) |