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Re: [RFC PATCH 05/15] sd: emmc: support idle state in CMD2
From: |
Alistair Francis |
Subject: |
Re: [RFC PATCH 05/15] sd: emmc: support idle state in CMD2 |
Date: |
Fri, 12 Feb 2021 14:07:24 -0800 |
On Thu, Feb 11, 2021 at 12:18 AM Sai Pavan Boddu
<sai.pavan.boddu@xilinx.com> wrote:
>
> eMMC is expected to be in idle-state post CMD1. Ready state is an
> intermediate stage which we don't come across in Device identification
> mode.
>
> 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 | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index e3738b2..69289e0 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -1051,6 +1051,10 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
> SDRequest req)
> if (sd->spi)
> goto bad_cmd;
> switch (sd->state) {
> + case sd_idle_state:
> + if (!sd->emmc) {
> + break;
> + }
> case sd_ready_state:
> sd->state = sd_identification_state;
> return sd_r2_i;
> --
> 2.7.4
>
>
- [RFC PATCH 04/15] sd: emmc: Update CMD1 definition for eMMC, (continued)
- [RFC PATCH 04/15] sd: emmc: Update CMD1 definition for eMMC, Sai Pavan Boddu, 2021/02/11
- [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
- Re: [RFC PATCH 05/15] sd: emmc: support idle state in CMD2,
Alistair Francis <=
- [RFC PATCH 03/15] sd: emmc: Dont not update CARD_CAPACITY for eMMC cards, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 06/15] sd: emmc: Add mmc switch function support, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 07/15] sd: emmc: add CMD21 tuning sequence, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 08/15] sd: emmc: Make ACMD41 illegal for mmc, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 10/15] sd: emmc: Update CID structure for eMMC, Sai Pavan Boddu, 2021/02/11
- [RFC PATCH 11/15] sd: emmc: Add Extended CSD register definitions, Sai Pavan Boddu, 2021/02/11