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Re: [RFC PATCH 04/15] sd: emmc: Update CMD1 definition for eMMC
From: |
Alistair Francis |
Subject: |
Re: [RFC PATCH 04/15] sd: emmc: Update CMD1 definition for eMMC |
Date: |
Fri, 12 Feb 2021 14:06:31 -0800 |
On Thu, Feb 11, 2021 at 12:17 AM Sai Pavan Boddu
<sai.pavan.boddu@xilinx.com> wrote:
>
> Add support to Power up the card and send response r3 in case of eMMC.
>
> Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> hw/sd/sd.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index 57fff89..e3738b2 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -1033,8 +1033,16 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
> SDRequest req)
> break;
>
> case 1: /* CMD1: SEND_OP_CMD */
> - if (!sd->spi)
> + /* MMC: Powerup & send r3
> + * SD: send r1 in spi mode
> + */
> + if (sd->emmc) {
> + sd_ocr_powerup(sd);
> + return sd->state == sd_idle_state ?
> + sd_r3 : sd_r0;
> + } else if (!sd->spi) {
> goto bad_cmd;
> + }
>
> sd->state = sd_transfer_state;
> return sd_r1;
> --
> 2.7.4
>
>
- [RFC PATCH 00/15] eMMC support, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 01/15] block: add eMMC block device type, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 02/15] sd: add eMMC support, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 04/15] sd: emmc: Update CMD1 definition for eMMC, Sai Pavan Boddu, 2021/02/11
- Re: [RFC PATCH 04/15] sd: emmc: Update CMD1 definition for eMMC,
Alistair Francis <=
- [RFC PATCH 09/15] sd: emmc: Add support for emmc erase, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 12/15] sd: emmc: Support boot area in emmc image, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 13/15] sd: emmc: Subtract bootarea size from blk, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 05/15] sd: emmc: support idle state in CMD2, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 03/15] sd: emmc: Dont not update CARD_CAPACITY for eMMC cards, Sai Pavan Boddu, 2021/02/11