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Re: [Qemu-devel] [PATCH 5/6] hw/sd/ssi-sd: expose a SDBus and connect th
From: |
Alistair Francis |
Subject: |
Re: [Qemu-devel] [PATCH 5/6] hw/sd/ssi-sd: expose a SDBus and connect the SDCard to it |
Date: |
Mon, 8 Jan 2018 13:39:19 -0800 |
On Wed, Jan 3, 2018 at 8:23 AM, Philippe Mathieu-Daudé <address@hidden> wrote:
> using the sdbus_*() API.
>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Alistair Francis <address@hidden>
Alistair
> ---
> hw/sd/ssi-sd.c | 27 +++++++++++++++++++--------
> 1 file changed, 19 insertions(+), 8 deletions(-)
>
> diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c
> index 24001dc3e6..c8b27add84 100644
> --- a/hw/sd/ssi-sd.c
> +++ b/hw/sd/ssi-sd.c
> @@ -47,7 +47,7 @@ typedef struct {
> int32_t arglen;
> int32_t response_pos;
> int32_t stopping;
> - SDState *sd;
> + SDBus sdbus;
> } ssi_sd_state;
>
> /* State word bits. */
> @@ -97,7 +97,7 @@ static uint32_t ssi_sd_transfer(SSISlave *dev, uint32_t val)
> request.arg = (s->cmdarg[0] << 24) | (s->cmdarg[1] << 16)
> | (s->cmdarg[2] << 8) | s->cmdarg[3];
> DPRINTF("CMD%d arg 0x%08x\n", s->cmd, request.arg);
> - s->arglen = sd_do_command(s->sd, &request, longresp);
> + s->arglen = sdbus_do_command(&s->sdbus, &request, longresp);
> if (s->arglen <= 0) {
> s->arglen = 1;
> s->response[0] = 4;
> @@ -174,7 +174,7 @@ static uint32_t ssi_sd_transfer(SSISlave *dev, uint32_t
> val)
> DPRINTF("Response 0x%02x\n", s->response[s->response_pos]);
> return s->response[s->response_pos++];
> }
> - if (sd_data_ready(s->sd)) {
> + if (sdbus_data_ready(&s->sdbus)) {
> DPRINTF("Data read\n");
> s->mode = SSI_SD_DATA_START;
> } else {
> @@ -187,8 +187,8 @@ static uint32_t ssi_sd_transfer(SSISlave *dev, uint32_t
> val)
> s->mode = SSI_SD_DATA_READ;
> return 0xfe;
> case SSI_SD_DATA_READ:
> - val = sd_read_data(s->sd);
> - if (!sd_data_ready(s->sd)) {
> + val = sdbus_read_data(&s->sdbus);
> + if (!sdbus_data_ready(&s->sdbus)) {
> DPRINTF("Data read end\n");
> s->mode = SSI_SD_CMD;
> }
> @@ -239,14 +239,25 @@ static const VMStateDescription vmstate_ssi_sd = {
> static void ssi_sd_realize(SSISlave *d, Error **errp)
> {
> ssi_sd_state *s = FROM_SSI_SLAVE(ssi_sd_state, d);
> + DeviceState *carddev;
> DriveInfo *dinfo;
> + Error *err = NULL;
>
> s->mode = SSI_SD_CMD;
> + qbus_create_inplace(&s->sdbus, sizeof(s->sdbus), TYPE_SD_BUS,
> + DEVICE(d), "sd-bus");
> +
> + /* Create and plug in the sd card */
> /* FIXME use a qdev drive property instead of drive_get_next() */
> dinfo = drive_get_next(IF_SD);
> - s->sd = sd_init(dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, true);
> - if (s->sd == NULL) {
> - error_setg(errp, "Device initialization failed.");
> + carddev = qdev_create(&s->sdbus.qbus, TYPE_SD_CARD);
> + if (dinfo) {
> + qdev_prop_set_drive(carddev, "drive", blk_by_legacy_dinfo(dinfo),
> &err);
> + }
> + object_property_set_bool(OBJECT(carddev), true, "spi", &err);
> + object_property_set_bool(OBJECT(carddev), true, "realized", &err);
> + if (err) {
> + error_setg(errp, "failed to init SD card: %s",
> error_get_pretty(err));
> return;
> }
> }
> --
> 2.15.1
>
>
- [Qemu-devel] [PATCH 1/6] hw/sd/milkymist-memcard: use qemu_log_mask(), (continued)
- [Qemu-devel] [PATCH 1/6] hw/sd/milkymist-memcard: use qemu_log_mask(), Philippe Mathieu-Daudé, 2018/01/03
- [Qemu-devel] [PATCH 2/6] hw/sd/milkymist-memcard: split realize() out of SysBusDevice init(), Philippe Mathieu-Daudé, 2018/01/03
- [Qemu-devel] [PATCH 3/6] hw/sd/milkymist-memcard: expose a SDBus and connect the SDCard to it, Philippe Mathieu-Daudé, 2018/01/03
- [Qemu-devel] [PATCH 4/6] hw/sd/pl181: expose a SDBus and connect the SDCard to it, Philippe Mathieu-Daudé, 2018/01/03
- [Qemu-devel] [PATCH 5/6] hw/sd/ssi-sd: expose a SDBus and connect the SDCard to it, Philippe Mathieu-Daudé, 2018/01/03
- Re: [Qemu-devel] [PATCH 5/6] hw/sd/ssi-sd: expose a SDBus and connect the SDCard to it,
Alistair Francis <=
- [Qemu-devel] [PATCH 6/6] hw/sd: move sdcard legacy API to "hw/sd/sdcard_legacy.h", Philippe Mathieu-Daudé, 2018/01/03