hw: move SD/MMC devices to hw/sd/, configure with default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 303 deletions

diff --git a/hw/milkymist-memcard.c b/hw/milkymist-memcard.c
deleted file mode 100644
index d5944bca69..0000000000
--- a/hw/milkymist-memcard.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- *  QEMU model of the Milkymist SD Card Controller.
- *
- *  Copyright (c) 2010 Michael Walle <michael@walle.cc>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- *
- *
- * Specification available at:
- *   http://www.milkymist.org/socdoc/memcard.pdf
- */
-
-#include "hw/hw.h"
-#include "hw/sysbus.h"
-#include "sysemu/sysemu.h"
-#include "trace.h"
-#include "qemu/error-report.h"
-#include "sysemu/blockdev.h"
-#include "hw/sd.h"
-
-enum {
-    ENABLE_CMD_TX   = (1<<0),
-    ENABLE_CMD_RX   = (1<<1),
-    ENABLE_DAT_TX   = (1<<2),
-    ENABLE_DAT_RX   = (1<<3),
-};
-
-enum {
-    PENDING_CMD_TX   = (1<<0),
-    PENDING_CMD_RX   = (1<<1),
-    PENDING_DAT_TX   = (1<<2),
-    PENDING_DAT_RX   = (1<<3),
-};
-
-enum {
-    START_CMD_TX    = (1<<0),
-    START_DAT_RX    = (1<<1),
-};
-
-enum {
-    R_CLK2XDIV = 0,
-    R_ENABLE,
-    R_PENDING,
-    R_START,
-    R_CMD,
-    R_DAT,
-    R_MAX
-};
-
-struct MilkymistMemcardState {
-    SysBusDevice busdev;
-    MemoryRegion regs_region;
-    SDState *card;
-
-    int command_write_ptr;
-    int response_read_ptr;
-    int response_len;
-    int ignore_next_cmd;
-    int enabled;
-    uint8_t command[6];
-    uint8_t response[17];
-    uint32_t regs[R_MAX];
-};
-typedef struct MilkymistMemcardState MilkymistMemcardState;
-
-static void update_pending_bits(MilkymistMemcardState *s)
-{
-    /* transmits are instantaneous, thus tx pending bits are never set */
-    s->regs[R_PENDING] = 0;
-    /* if rx is enabled the corresponding pending bits are always set */
-    if (s->regs[R_ENABLE] & ENABLE_CMD_RX) {
-        s->regs[R_PENDING] |= PENDING_CMD_RX;
-    }
-    if (s->regs[R_ENABLE] & ENABLE_DAT_RX) {
-        s->regs[R_PENDING] |= PENDING_DAT_RX;
-    }
-}
-
-static void memcard_sd_command(MilkymistMemcardState *s)
-{
-    SDRequest req;
-
-    req.cmd = s->command[0] & 0x3f;
-    req.arg = (s->command[1] << 24) | (s->command[2] << 16)
-              | (s->command[3] << 8) | s->command[4];
-    req.crc = s->command[5];
-
-    s->response[0] = req.cmd;
-    s->response_len = sd_do_command(s->card, &req, s->response+1);
-    s->response_read_ptr = 0;
-
-    if (s->response_len == 16) {
-        /* R2 response */
-        s->response[0] = 0x3f;
-        s->response_len += 1;
-    } else if (s->response_len == 4) {
-        /* no crc calculation, insert dummy byte */
-        s->response[5] = 0;
-        s->response_len += 2;
-    }
-
-    if (req.cmd == 0) {
-        /* next write is a dummy byte to clock the initialization of the sd
-         * card */
-        s->ignore_next_cmd = 1;
-    }
-}
-
-static uint64_t memcard_read(void *opaque, hwaddr addr,
-                             unsigned size)
-{
-    MilkymistMemcardState *s = opaque;
-    uint32_t r = 0;
-
-    addr >>= 2;
-    switch (addr) {
-    case R_CMD:
-        if (!s->enabled) {
-            r = 0xff;
-        } else {
-            r = s->response[s->response_read_ptr++];
-            if (s->response_read_ptr > s->response_len) {
-                error_report("milkymist_memcard: "
-                        "read more cmd bytes than available. Clipping.");
-                s->response_read_ptr = 0;
-            }
-        }
-        break;
-    case R_DAT:
-        if (!s->enabled) {
-            r = 0xffffffff;
-        } else {
-            r = 0;
-            r |= sd_read_data(s->card) << 24;
-            r |= sd_read_data(s->card) << 16;
-            r |= sd_read_data(s->card) << 8;
-            r |= sd_read_data(s->card);
-        }
-        break;
-    case R_CLK2XDIV:
-    case R_ENABLE:
-    case R_PENDING:
-    case R_START:
-        r = s->regs[addr];
-        break;
-
-    default:
-        error_report("milkymist_memcard: read access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-
-    trace_milkymist_memcard_memory_read(addr << 2, r);
-
-    return r;
-}
-
-static void memcard_write(void *opaque, hwaddr addr, uint64_t value,
-                          unsigned size)
-{
-    MilkymistMemcardState *s = opaque;
-
-    trace_milkymist_memcard_memory_write(addr, value);
-
-    addr >>= 2;
-    switch (addr) {
-    case R_PENDING:
-        /* clear rx pending bits */
-        s->regs[R_PENDING] &= ~(value & (PENDING_CMD_RX | PENDING_DAT_RX));
-        update_pending_bits(s);
-        break;
-    case R_CMD:
-        if (!s->enabled) {
-            break;
-        }
-        if (s->ignore_next_cmd) {
-            s->ignore_next_cmd = 0;
-            break;
-        }
-        s->command[s->command_write_ptr] = value & 0xff;
-        s->command_write_ptr = (s->command_write_ptr + 1) % 6;
-        if (s->command_write_ptr == 0) {
-            memcard_sd_command(s);
-        }
-        break;
-    case R_DAT:
-        if (!s->enabled) {
-            break;
-        }
-        sd_write_data(s->card, (value >> 24) & 0xff);
-        sd_write_data(s->card, (value >> 16) & 0xff);
-        sd_write_data(s->card, (value >> 8) & 0xff);
-        sd_write_data(s->card, value & 0xff);
-        break;
-    case R_ENABLE:
-        s->regs[addr] = value;
-        update_pending_bits(s);
-        break;
-    case R_CLK2XDIV:
-    case R_START:
-        s->regs[addr] = value;
-        break;
-
-    default:
-        error_report("milkymist_memcard: write access to unknown register 0x"
-                TARGET_FMT_plx, addr << 2);
-        break;
-    }
-}
-
-static const MemoryRegionOps memcard_mmio_ops = {
-    .read = memcard_read,
-    .write = memcard_write,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void milkymist_memcard_reset(DeviceState *d)
-{
-    MilkymistMemcardState *s =
-            container_of(d, MilkymistMemcardState, busdev.qdev);
-    int i;
-
-    s->command_write_ptr = 0;
-    s->response_read_ptr = 0;
-    s->response_len = 0;
-
-    for (i = 0; i < R_MAX; i++) {
-        s->regs[i] = 0;
-    }
-}
-
-static int milkymist_memcard_init(SysBusDevice *dev)
-{
-    MilkymistMemcardState *s = FROM_SYSBUS(typeof(*s), dev);
-    DriveInfo *dinfo;
-
-    dinfo = drive_get_next(IF_SD);
-    s->card = sd_init(dinfo ? dinfo->bdrv : NULL, 0);
-    s->enabled = dinfo ? bdrv_is_inserted(dinfo->bdrv) : 0;
-
-    memory_region_init_io(&s->regs_region, &memcard_mmio_ops, s,
-            "milkymist-memcard", R_MAX * 4);
-    sysbus_init_mmio(dev, &s->regs_region);
-
-    return 0;
-}
-
-static const VMStateDescription vmstate_milkymist_memcard = {
-    .name = "milkymist-memcard",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
-        VMSTATE_INT32(command_write_ptr, MilkymistMemcardState),
-        VMSTATE_INT32(response_read_ptr, MilkymistMemcardState),
-        VMSTATE_INT32(response_len, MilkymistMemcardState),
-        VMSTATE_INT32(ignore_next_cmd, MilkymistMemcardState),
-        VMSTATE_INT32(enabled, MilkymistMemcardState),
-        VMSTATE_UINT8_ARRAY(command, MilkymistMemcardState, 6),
-        VMSTATE_UINT8_ARRAY(response, MilkymistMemcardState, 17),
-        VMSTATE_UINT32_ARRAY(regs, MilkymistMemcardState, R_MAX),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void milkymist_memcard_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = milkymist_memcard_init;
-    dc->reset = milkymist_memcard_reset;
-    dc->vmsd = &vmstate_milkymist_memcard;
-}
-
-static const TypeInfo milkymist_memcard_info = {
-    .name          = "milkymist-memcard",
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(MilkymistMemcardState),
-    .class_init    = milkymist_memcard_class_init,
-};
-
-static void milkymist_memcard_register_types(void)
-{
-    type_register_static(&milkymist_memcard_info);
-}
-
-type_init(milkymist_memcard_register_types)