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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 14:54:35 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:14 +0200
commit8ac5c6510b609c123d6b394b2de16462ac7c395f (patch)
tree45f38521eae28fe3bd1a9c8c55dba2e77fb72297 /hw/omap_mmc.c
parent3bd884511f8dc44a01e32878b2972443a16db70d (diff)
downloadfocaccia-qemu-8ac5c6510b609c123d6b394b2de16462ac7c395f.tar.gz
focaccia-qemu-8ac5c6510b609c123d6b394b2de16462ac7c395f.zip
hw: move SD/MMC devices to hw/sd/, configure with default-configs/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/omap_mmc.c')
-rw-r--r--hw/omap_mmc.c641
1 files changed, 0 insertions, 641 deletions
diff --git a/hw/omap_mmc.c b/hw/omap_mmc.c
deleted file mode 100644
index d4079cde0b..0000000000
--- a/hw/omap_mmc.c
+++ /dev/null
@@ -1,641 +0,0 @@
-/*
- * OMAP on-chip MMC/SD host emulation.
- *
- * Copyright (C) 2006-2007 Andrzej Zaborowski  <balrog@zabor.org>
- *
- * 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 or
- * (at your option) version 3 of the License.
- *
- * 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 "hw/arm/omap.h"
-#include "hw/sd.h"
-
-struct omap_mmc_s {
-    qemu_irq irq;
-    qemu_irq *dma;
-    qemu_irq coverswitch;
-    MemoryRegion iomem;
-    omap_clk clk;
-    SDState *card;
-    uint16_t last_cmd;
-    uint16_t sdio;
-    uint16_t rsp[8];
-    uint32_t arg;
-    int lines;
-    int dw;
-    int mode;
-    int enable;
-    int be;
-    int rev;
-    uint16_t status;
-    uint16_t mask;
-    uint8_t cto;
-    uint16_t dto;
-    int clkdiv;
-    uint16_t fifo[32];
-    int fifo_start;
-    int fifo_len;
-    uint16_t blen;
-    uint16_t blen_counter;
-    uint16_t nblk;
-    uint16_t nblk_counter;
-    int tx_dma;
-    int rx_dma;
-    int af_level;
-    int ae_level;
-
-    int ddir;
-    int transfer;
-
-    int cdet_wakeup;
-    int cdet_enable;
-    int cdet_state;
-    qemu_irq cdet;
-};
-
-static void omap_mmc_interrupts_update(struct omap_mmc_s *s)
-{
-    qemu_set_irq(s->irq, !!(s->status & s->mask));
-}
-
-static void omap_mmc_fifolevel_update(struct omap_mmc_s *host)
-{
-    if (!host->transfer && !host->fifo_len) {
-        host->status &= 0xf3ff;
-        return;
-    }
-
-    if (host->fifo_len > host->af_level && host->ddir) {
-        if (host->rx_dma) {
-            host->status &= 0xfbff;
-            qemu_irq_raise(host->dma[1]);
-        } else
-            host->status |= 0x0400;
-    } else {
-        host->status &= 0xfbff;
-        qemu_irq_lower(host->dma[1]);
-    }
-
-    if (host->fifo_len < host->ae_level && !host->ddir) {
-        if (host->tx_dma) {
-            host->status &= 0xf7ff;
-            qemu_irq_raise(host->dma[0]);
-        } else
-            host->status |= 0x0800;
-    } else {
-        qemu_irq_lower(host->dma[0]);
-        host->status &= 0xf7ff;
-    }
-}
-
-typedef enum {
-    sd_nore = 0,	/* no response */
-    sd_r1,		/* normal response command */
-    sd_r2,		/* CID, CSD registers */
-    sd_r3,		/* OCR register */
-    sd_r6 = 6,		/* Published RCA response */
-    sd_r1b = -1,
-} sd_rsp_type_t;
-
-static void omap_mmc_command(struct omap_mmc_s *host, int cmd, int dir,
-                sd_cmd_type_t type, int busy, sd_rsp_type_t resptype, int init)
-{
-    uint32_t rspstatus, mask;
-    int rsplen, timeout;
-    SDRequest request;
-    uint8_t response[16];
-
-    if (init && cmd == 0) {
-        host->status |= 0x0001;
-        return;
-    }
-
-    if (resptype == sd_r1 && busy)
-        resptype = sd_r1b;
-
-    if (type == sd_adtc) {
-        host->fifo_start = 0;
-        host->fifo_len = 0;
-        host->transfer = 1;
-        host->ddir = dir;
-    } else
-        host->transfer = 0;
-    timeout = 0;
-    mask = 0;
-    rspstatus = 0;
-
-    request.cmd = cmd;
-    request.arg = host->arg;
-    request.crc = 0; /* FIXME */
-
-    rsplen = sd_do_command(host->card, &request, response);
-
-    /* TODO: validate CRCs */
-    switch (resptype) {
-    case sd_nore:
-        rsplen = 0;
-        break;
-
-    case sd_r1:
-    case sd_r1b:
-        if (rsplen < 4) {
-            timeout = 1;
-            break;
-        }
-        rsplen = 4;
-
-        mask = OUT_OF_RANGE | ADDRESS_ERROR | BLOCK_LEN_ERROR |
-                ERASE_SEQ_ERROR | ERASE_PARAM | WP_VIOLATION |
-                LOCK_UNLOCK_FAILED | COM_CRC_ERROR | ILLEGAL_COMMAND |
-                CARD_ECC_FAILED | CC_ERROR | SD_ERROR |
-                CID_CSD_OVERWRITE;
-        if (host->sdio & (1 << 13))
-            mask |= AKE_SEQ_ERROR;
-        rspstatus = (response[0] << 24) | (response[1] << 16) |
-                (response[2] << 8) | (response[3] << 0);
-        break;
-
-    case sd_r2:
-        if (rsplen < 16) {
-            timeout = 1;
-            break;
-        }
-        rsplen = 16;
-        break;
-
-    case sd_r3:
-        if (rsplen < 4) {
-            timeout = 1;
-            break;
-        }
-        rsplen = 4;
-
-        rspstatus = (response[0] << 24) | (response[1] << 16) |
-                (response[2] << 8) | (response[3] << 0);
-        if (rspstatus & 0x80000000)
-            host->status &= 0xe000;
-        else
-            host->status |= 0x1000;
-        break;
-
-    case sd_r6:
-        if (rsplen < 4) {
-            timeout = 1;
-            break;
-        }
-        rsplen = 4;
-
-        mask = 0xe000 | AKE_SEQ_ERROR;
-        rspstatus = (response[2] << 8) | (response[3] << 0);
-    }
-
-    if (rspstatus & mask)
-        host->status |= 0x4000;
-    else
-        host->status &= 0xb000;
-
-    if (rsplen)
-        for (rsplen = 0; rsplen < 8; rsplen ++)
-            host->rsp[~rsplen & 7] = response[(rsplen << 1) | 1] |
-                    (response[(rsplen << 1) | 0] << 8);
-
-    if (timeout)
-        host->status |= 0x0080;
-    else if (cmd == 12)
-        host->status |= 0x0005;	/* Makes it more real */
-    else
-        host->status |= 0x0001;
-}
-
-static void omap_mmc_transfer(struct omap_mmc_s *host)
-{
-    uint8_t value;
-
-    if (!host->transfer)
-        return;
-
-    while (1) {
-        if (host->ddir) {
-            if (host->fifo_len > host->af_level)
-                break;
-
-            value = sd_read_data(host->card);
-            host->fifo[(host->fifo_start + host->fifo_len) & 31] = value;
-            if (-- host->blen_counter) {
-                value = sd_read_data(host->card);
-                host->fifo[(host->fifo_start + host->fifo_len) & 31] |=
-                        value << 8;
-                host->blen_counter --;
-            }
-
-            host->fifo_len ++;
-        } else {
-            if (!host->fifo_len)
-                break;
-
-            value = host->fifo[host->fifo_start] & 0xff;
-            sd_write_data(host->card, value);
-            if (-- host->blen_counter) {
-                value = host->fifo[host->fifo_start] >> 8;
-                sd_write_data(host->card, value);
-                host->blen_counter --;
-            }
-
-            host->fifo_start ++;
-            host->fifo_len --;
-            host->fifo_start &= 31;
-        }
-
-        if (host->blen_counter == 0) {
-            host->nblk_counter --;
-            host->blen_counter = host->blen;
-
-            if (host->nblk_counter == 0) {
-                host->nblk_counter = host->nblk;
-                host->transfer = 0;
-                host->status |= 0x0008;
-                break;
-            }
-        }
-    }
-}
-
-static void omap_mmc_update(void *opaque)
-{
-    struct omap_mmc_s *s = opaque;
-    omap_mmc_transfer(s);
-    omap_mmc_fifolevel_update(s);
-    omap_mmc_interrupts_update(s);
-}
-
-void omap_mmc_reset(struct omap_mmc_s *host)
-{
-    host->last_cmd = 0;
-    memset(host->rsp, 0, sizeof(host->rsp));
-    host->arg = 0;
-    host->dw = 0;
-    host->mode = 0;
-    host->enable = 0;
-    host->status = 0;
-    host->mask = 0;
-    host->cto = 0;
-    host->dto = 0;
-    host->fifo_len = 0;
-    host->blen = 0;
-    host->blen_counter = 0;
-    host->nblk = 0;
-    host->nblk_counter = 0;
-    host->tx_dma = 0;
-    host->rx_dma = 0;
-    host->ae_level = 0x00;
-    host->af_level = 0x1f;
-    host->transfer = 0;
-    host->cdet_wakeup = 0;
-    host->cdet_enable = 0;
-    qemu_set_irq(host->coverswitch, host->cdet_state);
-    host->clkdiv = 0;
-}
-
-static uint64_t omap_mmc_read(void *opaque, hwaddr offset,
-                              unsigned size)
-{
-    uint16_t i;
-    struct omap_mmc_s *s = (struct omap_mmc_s *) opaque;
-
-    if (size != 2) {
-        return omap_badwidth_read16(opaque, offset);
-    }
-
-    switch (offset) {
-    case 0x00:	/* MMC_CMD */
-        return s->last_cmd;
-
-    case 0x04:	/* MMC_ARGL */
-        return s->arg & 0x0000ffff;
-
-    case 0x08:	/* MMC_ARGH */
-        return s->arg >> 16;
-
-    case 0x0c:	/* MMC_CON */
-        return (s->dw << 15) | (s->mode << 12) | (s->enable << 11) | 
-                (s->be << 10) | s->clkdiv;
-
-    case 0x10:	/* MMC_STAT */
-        return s->status;
-
-    case 0x14:	/* MMC_IE */
-        return s->mask;
-
-    case 0x18:	/* MMC_CTO */
-        return s->cto;
-
-    case 0x1c:	/* MMC_DTO */
-        return s->dto;
-
-    case 0x20:	/* MMC_DATA */
-        /* TODO: support 8-bit access */
-        i = s->fifo[s->fifo_start];
-        if (s->fifo_len == 0) {
-            printf("MMC: FIFO underrun\n");
-            return i;
-        }
-        s->fifo_start ++;
-        s->fifo_len --;
-        s->fifo_start &= 31;
-        omap_mmc_transfer(s);
-        omap_mmc_fifolevel_update(s);
-        omap_mmc_interrupts_update(s);
-        return i;
-
-    case 0x24:	/* MMC_BLEN */
-        return s->blen_counter;
-
-    case 0x28:	/* MMC_NBLK */
-        return s->nblk_counter;
-
-    case 0x2c:	/* MMC_BUF */
-        return (s->rx_dma << 15) | (s->af_level << 8) |
-            (s->tx_dma << 7) | s->ae_level;
-
-    case 0x30:	/* MMC_SPI */
-        return 0x0000;
-    case 0x34:	/* MMC_SDIO */
-        return (s->cdet_wakeup << 2) | (s->cdet_enable) | s->sdio;
-    case 0x38:	/* MMC_SYST */
-        return 0x0000;
-
-    case 0x3c:	/* MMC_REV */
-        return s->rev;
-
-    case 0x40:	/* MMC_RSP0 */
-    case 0x44:	/* MMC_RSP1 */
-    case 0x48:	/* MMC_RSP2 */
-    case 0x4c:	/* MMC_RSP3 */
-    case 0x50:	/* MMC_RSP4 */
-    case 0x54:	/* MMC_RSP5 */
-    case 0x58:	/* MMC_RSP6 */
-    case 0x5c:	/* MMC_RSP7 */
-        return s->rsp[(offset - 0x40) >> 2];
-
-    /* OMAP2-specific */
-    case 0x60:	/* MMC_IOSR */
-    case 0x64:	/* MMC_SYSC */
-        return 0;
-    case 0x68:	/* MMC_SYSS */
-        return 1;						/* RSTD */
-    }
-
-    OMAP_BAD_REG(offset);
-    return 0;
-}
-
-static void omap_mmc_write(void *opaque, hwaddr offset,
-                           uint64_t value, unsigned size)
-{
-    int i;
-    struct omap_mmc_s *s = (struct omap_mmc_s *) opaque;
-
-    if (size != 2) {
-        return omap_badwidth_write16(opaque, offset, value);
-    }
-
-    switch (offset) {
-    case 0x00:	/* MMC_CMD */
-        if (!s->enable)
-            break;
-
-        s->last_cmd = value;
-        for (i = 0; i < 8; i ++)
-            s->rsp[i] = 0x0000;
-        omap_mmc_command(s, value & 63, (value >> 15) & 1,
-                (sd_cmd_type_t) ((value >> 12) & 3),
-                (value >> 11) & 1,
-                (sd_rsp_type_t) ((value >> 8) & 7),
-                (value >> 7) & 1);
-        omap_mmc_update(s);
-        break;
-
-    case 0x04:	/* MMC_ARGL */
-        s->arg &= 0xffff0000;
-        s->arg |= 0x0000ffff & value;
-        break;
-
-    case 0x08:	/* MMC_ARGH */
-        s->arg &= 0x0000ffff;
-        s->arg |= value << 16;
-        break;
-
-    case 0x0c:	/* MMC_CON */
-        s->dw = (value >> 15) & 1;
-        s->mode = (value >> 12) & 3;
-        s->enable = (value >> 11) & 1;
-        s->be = (value >> 10) & 1;
-        s->clkdiv = (value >> 0) & (s->rev >= 2 ? 0x3ff : 0xff);
-        if (s->mode != 0)
-            printf("SD mode %i unimplemented!\n", s->mode);
-        if (s->be != 0)
-            printf("SD FIFO byte sex unimplemented!\n");
-        if (s->dw != 0 && s->lines < 4)
-            printf("4-bit SD bus enabled\n");
-        if (!s->enable)
-            omap_mmc_reset(s);
-        break;
-
-    case 0x10:	/* MMC_STAT */
-        s->status &= ~value;
-        omap_mmc_interrupts_update(s);
-        break;
-
-    case 0x14:	/* MMC_IE */
-        s->mask = value & 0x7fff;
-        omap_mmc_interrupts_update(s);
-        break;
-
-    case 0x18:	/* MMC_CTO */
-        s->cto = value & 0xff;
-        if (s->cto > 0xfd && s->rev <= 1)
-            printf("MMC: CTO of 0xff and 0xfe cannot be used!\n");
-        break;
-
-    case 0x1c:	/* MMC_DTO */
-        s->dto = value & 0xffff;
-        break;
-
-    case 0x20:	/* MMC_DATA */
-        /* TODO: support 8-bit access */
-        if (s->fifo_len == 32)
-            break;
-        s->fifo[(s->fifo_start + s->fifo_len) & 31] = value;
-        s->fifo_len ++;
-        omap_mmc_transfer(s);
-        omap_mmc_fifolevel_update(s);
-        omap_mmc_interrupts_update(s);
-        break;
-
-    case 0x24:	/* MMC_BLEN */
-        s->blen = (value & 0x07ff) + 1;
-        s->blen_counter = s->blen;
-        break;
-
-    case 0x28:	/* MMC_NBLK */
-        s->nblk = (value & 0x07ff) + 1;
-        s->nblk_counter = s->nblk;
-        s->blen_counter = s->blen;
-        break;
-
-    case 0x2c:	/* MMC_BUF */
-        s->rx_dma = (value >> 15) & 1;
-        s->af_level = (value >> 8) & 0x1f;
-        s->tx_dma = (value >> 7) & 1;
-        s->ae_level = value & 0x1f;
-
-        if (s->rx_dma)
-            s->status &= 0xfbff;
-        if (s->tx_dma)
-            s->status &= 0xf7ff;
-        omap_mmc_fifolevel_update(s);
-        omap_mmc_interrupts_update(s);
-        break;
-
-    /* SPI, SDIO and TEST modes unimplemented */
-    case 0x30:	/* MMC_SPI (OMAP1 only) */
-        break;
-    case 0x34:	/* MMC_SDIO */
-        s->sdio = value & (s->rev >= 2 ? 0xfbf3 : 0x2020);
-        s->cdet_wakeup = (value >> 9) & 1;
-        s->cdet_enable = (value >> 2) & 1;
-        break;
-    case 0x38:	/* MMC_SYST */
-        break;
-
-    case 0x3c:	/* MMC_REV */
-    case 0x40:	/* MMC_RSP0 */
-    case 0x44:	/* MMC_RSP1 */
-    case 0x48:	/* MMC_RSP2 */
-    case 0x4c:	/* MMC_RSP3 */
-    case 0x50:	/* MMC_RSP4 */
-    case 0x54:	/* MMC_RSP5 */
-    case 0x58:	/* MMC_RSP6 */
-    case 0x5c:	/* MMC_RSP7 */
-        OMAP_RO_REG(offset);
-        break;
-
-    /* OMAP2-specific */
-    case 0x60:	/* MMC_IOSR */
-        if (value & 0xf)
-            printf("MMC: SDIO bits used!\n");
-        break;
-    case 0x64:	/* MMC_SYSC */
-        if (value & (1 << 2))					/* SRTS */
-            omap_mmc_reset(s);
-        break;
-    case 0x68:	/* MMC_SYSS */
-        OMAP_RO_REG(offset);
-        break;
-
-    default:
-        OMAP_BAD_REG(offset);
-    }
-}
-
-static const MemoryRegionOps omap_mmc_ops = {
-    .read = omap_mmc_read,
-    .write = omap_mmc_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void omap_mmc_cover_cb(void *opaque, int line, int level)
-{
-    struct omap_mmc_s *host = (struct omap_mmc_s *) opaque;
-
-    if (!host->cdet_state && level) {
-        host->status |= 0x0002;
-        omap_mmc_interrupts_update(host);
-        if (host->cdet_wakeup) {
-            /* TODO: Assert wake-up */
-        }
-    }
-
-    if (host->cdet_state != level) {
-        qemu_set_irq(host->coverswitch, level);
-        host->cdet_state = level;
-    }
-}
-
-struct omap_mmc_s *omap_mmc_init(hwaddr base,
-                MemoryRegion *sysmem,
-                BlockDriverState *bd,
-                qemu_irq irq, qemu_irq dma[], omap_clk clk)
-{
-    struct omap_mmc_s *s = (struct omap_mmc_s *)
-            g_malloc0(sizeof(struct omap_mmc_s));
-
-    s->irq = irq;
-    s->dma = dma;
-    s->clk = clk;
-    s->lines = 1;	/* TODO: needs to be settable per-board */
-    s->rev = 1;
-
-    omap_mmc_reset(s);
-
-    memory_region_init_io(&s->iomem, &omap_mmc_ops, s, "omap.mmc", 0x800);
-    memory_region_add_subregion(sysmem, base, &s->iomem);
-
-    /* Instantiate the storage */
-    s->card = sd_init(bd, 0);
-
-    return s;
-}
-
-struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta,
-                BlockDriverState *bd, qemu_irq irq, qemu_irq dma[],
-                omap_clk fclk, omap_clk iclk)
-{
-    struct omap_mmc_s *s = (struct omap_mmc_s *)
-            g_malloc0(sizeof(struct omap_mmc_s));
-
-    s->irq = irq;
-    s->dma = dma;
-    s->clk = fclk;
-    s->lines = 4;
-    s->rev = 2;
-
-    omap_mmc_reset(s);
-
-    memory_region_init_io(&s->iomem, &omap_mmc_ops, s, "omap.mmc",
-                          omap_l4_region_size(ta, 0));
-    omap_l4_attach(ta, 0, &s->iomem);
-
-    /* Instantiate the storage */
-    s->card = sd_init(bd, 0);
-
-    s->cdet = qemu_allocate_irqs(omap_mmc_cover_cb, s, 1)[0];
-    sd_set_cb(s->card, NULL, s->cdet);
-
-    return s;
-}
-
-void omap_mmc_handlers(struct omap_mmc_s *s, qemu_irq ro, qemu_irq cover)
-{
-    if (s->cdet) {
-        sd_set_cb(s->card, ro, s->cdet);
-        s->coverswitch = cover;
-        qemu_set_irq(cover, s->cdet_state);
-    } else
-        sd_set_cb(s->card, ro, cover);
-}
-
-void omap_mmc_enable(struct omap_mmc_s *s, int enable)
-{
-    sd_enable(s->card, enable);
-}