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[PATCH v2 09/22] sd: emmc: Update CMD1 definition for eMMC
From: |
Sai Pavan Boddu |
Subject: |
[PATCH v2 09/22] sd: emmc: Update CMD1 definition for eMMC |
Date: |
Mon, 22 Feb 2021 13:50:26 +0530 |
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>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
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 9835f52..8bc8d5d 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
- [PATCH v2 00/22] eMMC support, Sai Pavan Boddu, 2021/02/22
- [PATCH v2 13/22] sd: emmc: Make ACMD41 illegal for mmc, Sai Pavan Boddu, 2021/02/22
- [PATCH v2 07/22] sd: sdmmc-internal: Add command string for SEND_OP_CMD, Sai Pavan Boddu, 2021/02/22
- [PATCH v2 03/22] sd: emmc: Add support for eMMC cards, Sai Pavan Boddu, 2021/02/22
- [PATCH v2 09/22] sd: emmc: Update CMD1 definition for eMMC,
Sai Pavan Boddu <=
- [PATCH v2 16/22] sd: emmc: Add Extended CSD register definitions, Sai Pavan Boddu, 2021/02/22
- [PATCH v2 01/22] block: add eMMC block device type, Sai Pavan Boddu, 2021/02/22
- Re: [PATCH v2 01/22] block: add eMMC block device type, Philippe Mathieu-Daudé, 2021/02/22
- Re: [PATCH v2 01/22] block: add eMMC block device type, Markus Armbruster, 2021/02/22
- Re: [PATCH v2 01/22] block: add eMMC block device type, Dr. David Alan Gilbert, 2021/02/22
- Re: [PATCH v2 01/22] block: add eMMC block device type, Philippe Mathieu-Daudé, 2021/02/22
- RE: [PATCH v2 01/22] block: add eMMC block device type, Sai Pavan Boddu, 2021/02/22
- Re: [PATCH v2 01/22] block: add eMMC block device type, Dr. David Alan Gilbert, 2021/02/22
- RE: [PATCH v2 01/22] block: add eMMC block device type, Sai Pavan Boddu, 2021/02/23