Hi Ulf,
Tried in linux-6.12 but observed same issue there also:
=========================================================
devkit-e7 login: mmc0: Timeout waiting for hardware cmd interrupt.
mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00000005
mmc0: sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000
mmc0: sdhci: Argument: 0x00000c00 | Trn mode: 0x00000000
mmc0: sdhci: Present: 0x03ff0000 | Host ctl: 0x00000001
mmc0: sdhci: Power: 0x0000000f | Blk gap: 0x00000000
mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x0000fa07
mmc0: sdhci: Timeout: 0x00000000 | Int stat: 0x00000000
mmc0: sdhci: Int enab: 0x00ff1003 | Sig enab: 0x00ff1003
mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000
mmc0: sdhci: Caps: 0x276e648a | Caps_1: 0x08008071
mmc0: sdhci: Cmd: 0x0000341a | Max curr: 0x00000000
mmc0: sdhci: Resp[0]: 0x00000000 | Resp[1]: 0x00000000
mmc0: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000
mmc0: sdhci: Host ctl2: 0x00000000
mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000
mmc0: sdhci: ============================================
mmc0: Reset 0x2 never completed.
=======================================================
Regards,
Pankaj Pandey
On Wed, Nov 20, 2024 at 6:34 PM Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
>
> On Wed, 20 Nov 2024 at 09:28, Pankaj Pandey <pankaj.embedded@xxxxxxxxx> wrote:
> >
> > Hi All,
> >
> > My target board(ARMv8-A AArch32 processor), supports the "Synopsys DWC
> > MSHC controller." I am using the Linux 5.4 kernel and have enabled the
> > following configurations to support the "SDHCI platform driver for
> > Synopsys DWC MSHC":
> >
> > CONFIG_MMC_SDHCI=y
> > CONFIG_MMC_SDHCI_PLTFM=y
> > CONFIG_MMC_SDHCI_OF_DWCMSHC=y
> >
> > This setup works perfectly on Linux 5.4, successfully detecting all
> > microSD cards. However, when I use the same driver configuration with
> > Linux 6.11.0, I encounter the below mentioned error:
> >
> > sdhci: Secure Digital Host Controller Interface driver
> > sdhci: Copyright(c) Pierre Ossman
> > sdhci-pltfm: SDHCI platform and OF driver helper
> > mmc0: sdhci: Version: 0x00000005 | Present: 0x020f0000
> > mmc0: sdhci: Caps: 0x276e648a | Caps_1: 0x08008071
> > SMCCC: SOC_ID: ARCH_SOC_ID not implemented, skipping ....
> > mmc0: sdhci: Auto-CMD23 available
> > mmc0: SDHCI controller on 48102000.sdhci [48102000.sdhci] using ADMA
> > mmc0: Timeout waiting for hardware cmd interrupt.
> > mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
> > mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00000005
> > mmc0: sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000
> > mmc0: sdhci: Argument: 0x00000c00 | Trn mode: 0x00000000
> > mmc0: sdhci: Present: 0x020f0000 | Host ctl: 0x00000001
> > mmc0: sdhci: Power: 0x0000000f | Blk gap: 0x00000000
> > mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x0000fa07
> > mmc0: sdhci: Timeout: 0x00000000 | Int stat: 0x00000000
> > mmc0: sdhci: Int enab: 0x00ff1083 | Sig enab: 0x00ff1083
> > mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000
> > mmc0: sdhci: Caps: 0x276e648a | Caps_1: 0x08008071
> > mmc0: sdhci: Cmd: 0x0000341a | Max curr: 0x00000000
> > mmc0: sdhci: Resp[0]: 0x00000000 | Resp[1]: 0x00000000
> > mmc0: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000
> > mmc0: sdhci: Host ctl2: 0x00000000
> > mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000
> > mmc0: sdhci: ============================================
> > mmc0: Reset 0x2 never completed.
> >
> > =====================================================
> >
> > Please find mmc debug info and dts file changes for references:-
> >
> > root@devkit-e7:~# cat /sys/kernel/debug/mmc0/ios
> > clock: 400000 Hz
> > actual clock: 400000 Hz
> > vdd: 21 (3.3 ~ 3.4 V)
> > bus mode: 2 (push-pull)
> > chip select: 1 (active high)
> > power mode: 2 (on)
> > bus width: 0 (1 bits)
> > timing spec: 0 (legacy)
> > signal voltage: 0 (3.30 V)
> > driver type: 0 (driver type B)
> >
> > sdmmc: sdhci@48102000 {
> > compatible = "snps,dwcmshc-sdhci";
> > reg = <0x48102000 0x1000>;
> > interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
> > <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
> > clocks = <&syst_hclk>, <&syst_hclk>;
> > clock-names = "core", "bus";
> > bus-width = <4>;
> > max-frequency = <25000000>;
> > status = "okay";
> > };
> >
> > Kindly request you to please let me know if I am missing anything.
>
> Would it be possible for you to do a "git bisect" to see if we can
> find if there is a particular commit causing the problem?
>
> Moreover, we have v6.12 now, so it seems reasonable to give that a try too.
>
> Kind regards
> Uffe
