Hi, I am trying to get a SD8887 based SDIO card to work with my Renesas H3 Salvator-X board. The card is either a u-blox emmy-w1-evk or a ZComax AC-180M, I am evaluating both. I really prefer to run the upstream driver instead of the paperwork protected and surprisingly old custom ones. However, for both cards, I run into an error I cannot parse: [ 4.028588] mwifiex_sdio mmc2:0001:1: mwifiex_process_cmdresp: cmd 0x242 failed during initialization I use a v4.9-rc2 based tree called 'renesas-drives' [1] which has a few Renesas specific patches on top but nothing mwifiex related AFAICT. I use the firmware from the linux-firmware tree. Any further use of the interface mlan0 or reading eeprom via debugfs will result in a timeout. [ 18.146710] mwifiex_sdio mmc2:0001:1: mwifiex_cmd_timeout_func: Timeout cmd id = 0x10, act = 0x1 I assume this is a follow-up problem so I skip the logs for these timeouts (can easily send them, of course, in case they are interesting). I'll attach a full debug output from mwifiex from insertion until the initial 0x242 error. For full disclaimer, I am the maintainer of the underlying Renesas SD driver and I want to use this setup to create a test scenario for SDIO with UHS speeds. So, if there is something wrong in the SD part, I'll happily hack on that. But for now, I simply would need a starting point :) 0x242 is "HostCmd_CMD_CHAN_REGION_CFG". Could this mean it cannot load configuration data? I did search around but couldn't find anything useful. Thanks, Wolfram [1] https://git.kernel.org/cgit/linux/kernel/git/geert/renesas-drivers.git/ [ 3.139424] mmc2: new ultra high speed SDR50 SDIO card at address 0001 [ 3.142867] mwifiex_sdio: info: vendor=0x02DF device=0x9135 class=0 function=1 [ 3.146696] mwifiex: rx work enabled, cpus 4 [ 3.267184] mwifiex_sdio mmc2:0001:1: info: downloading FW image (391772 bytes) [ 3.452377] mwifiex_sdio mmc2:0001:1: info: FW download over, size 391772 bytes [ 3.671191] mwifiex_sdio mmc2:0001:1: WLAN FW is active [ 3.673910] mwifiex_sdio mmc2:0001:1: cmd: QUEUE_CMD: cmd=0xa9, cmd_pending=1 [ 3.677550] mwifiex_sdio mmc2:0001:1: cmd: DNLD_CMD: 0xa9, act 0x0, len 8, seqno 0x1 [ 3.681429] cmd buffer:00000000: a9 00 08 00 01 00 00 00 [ 3.684089] mwifiex_sdio mmc2:0001:1: info: mwifiex_host_to_card_mp_aggr: tx aggregation disabled [ 3.688527] mwifiex_sdio mmc2:0001:1: data: mwifiex_host_to_card_mp_aggr: send current buffer 32768 [ 3.693652] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x80 [ 3.696443] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=1 [ 3.700321] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x82 [ 3.703106] mwifiex_sdio mmc2:0001:1: int: DNLD: wr_bitmap=0xffffffff [ 3.706328] mwifiex_sdio mmc2:0001:1: info: <--- Tx DONE Interrupt ---> [ 3.709680] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.712811] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x40 [ 3.715600] mwifiex_sdio mmc2:0001:1: info: rx_len = 256 [ 3.718292] mwifiex_sdio mmc2:0001:1: info: --- Rx: Cmd Response --- [ 3.721471] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.724563] mwifiex_sdio mmc2:0001:1: cmd: CMD_RESP: 0x80a9, result 0, len 8, seqno 0x1 [ 3.728565] CMD_RESP buffer:00000000: a9 00 08 00 01 00 00 00 [ 3.731439] mwifiex_sdio mmc2:0001:1: cmd completed: status=0 [ 3.734312] mwifiex_sdio mmc2:0001:1: cmd: FREE_CMD: cmd=0xa9, cmd_pending=0 [ 3.737930] mwifiex_sdio mmc2:0001:1: cmd: QUEUE_CMD: cmd=0x3, cmd_pending=1 [ 3.741459] mwifiex_sdio mmc2:0001:1: cmd: DNLD_CMD: 0x3, act 0x0, len 71, seqno 0x2 [ 3.745333] cmd buffer:00000000: 03 00 47 00 02 00 00 00 00 00 00 00 00 00 00 00 [ 3.749031] cmd buffer:00000010: ff ff ff ff ff ff 00 00 00 00 00 00 00 00 00 00 [ 3.752729] cmd buffer:00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 3.756426] cmd buffer:00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 3.760189] cmd buffer:00000040: 00 00 00 00 00 00 00 [ 3.762714] mwifiex_sdio mmc2:0001:1: info: mwifiex_host_to_card_mp_aggr: tx aggregation disabled [ 3.767156] mwifiex_sdio mmc2:0001:1: data: mwifiex_host_to_card_mp_aggr: send current buffer 32768 [ 3.771814] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x80 [ 3.774599] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.777728] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x40 [ 3.780517] mwifiex_sdio mmc2:0001:1: info: rx_len = 256 [ 3.783210] mwifiex_sdio mmc2:0001:1: info: --- Rx: Cmd Response --- [ 3.786386] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.789484] mwifiex_sdio mmc2:0001:1: cmd: CMD_RESP: 0x8003, result 0, len 79, seqno 0x2 [ 3.793530] CMD_RESP buffer:00000000: 03 00 4f 00 02 00 00 00 02 00 02 42 00 00 40 00 [ 3.797444] CMD_RESP buffer:00000010: d4 ca 6e 00 03 94 10 00 01 00 07 44 0f 05 00 00 [ 3.801359] CMD_RESP buffer:00000020: 00 00 00 00 00 00 00 00 00 00 03 ff 00 00 11 00 [ 3.805273] CMD_RESP buffer:00000030: d3 65 11 20 00 0e 00 00 00 00 00 00 00 00 00 30 [ 3.809188] CMD_RESP buffer:00000040: 71 c0 33 fe ff fe ff c7 01 04 00 01 00 02 00 [ 3.812974] mwifiex_sdio mmc2:0001:1: key_api v2.0 [ 3.815370] mwifiex_sdio mmc2:0001:1: info: GET_HW_SPEC: fw_release_number- 0x50f4407 [ 3.819285] mwifiex_sdio mmc2:0001:1: info: GET_HW_SPEC: permanent addr: d4:ca:6e:00:03:94 [ 3.823417] mwifiex_sdio mmc2:0001:1: info: GET_HW_SPEC: hw_if_version=0x2 version=0x4202 [ 3.827507] mwifiex_sdio mmc2:0001:1: cmd: mp_end_port 32, data port mask 0xffffffff [ 3.831379] mwifiex_sdio mmc2:0001:1: cmd completed: status=0 [ 3.834251] mwifiex_sdio mmc2:0001:1: cmd: FREE_CMD: cmd=0x3, cmd_pending=0 [ 3.837886] mwifiex_sdio mmc2:0001:1: cmd: set tx_buf=2048 [ 3.840631] mwifiex_sdio mmc2:0001:1: cmd: QUEUE_CMD: cmd=0xd9, cmd_pending=1 [ 3.844228] mwifiex_sdio mmc2:0001:1: cmd: DNLD_CMD: 0xd9, act 0x1, len 16, seqno 0x3 [ 3.848151] cmd buffer:00000000: d9 00 10 00 03 00 00 00 01 00 00 08 00 00 00 00 [ 3.851850] mwifiex_sdio mmc2:0001:1: info: mwifiex_host_to_card_mp_aggr: tx aggregation disabled [ 3.856286] mwifiex_sdio mmc2:0001:1: data: mwifiex_host_to_card_mp_aggr: send current buffer 32768 [ 3.861255] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x82 [ 3.864043] mwifiex_sdio mmc2:0001:1: int: DNLD: wr_bitmap=0xffffffff [ 3.867266] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.870391] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x40 [ 3.873187] mwifiex_sdio mmc2:0001:1: info: rx_len = 256 [ 3.875881] mwifiex_sdio mmc2:0001:1: info: --- Rx: Cmd Response --- [ 3.879057] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.882148] mwifiex_sdio mmc2:0001:1: cmd: CMD_RESP: 0x80d9, result 0, len 16, seqno 0x3 [ 3.886194] CMD_RESP buffer:00000000: d9 00 10 00 03 00 00 00 01 00 00 06 20 00 00 00 [ 3.890110] mwifiex_sdio mmc2:0001:1: cmd: curr_tx_buf_size=1536 [ 3.893113] mwifiex_sdio mmc2:0001:1: cmd: mp_end_port 32, data port mask 0xffffffff [ 3.896984] mwifiex_sdio mmc2:0001:1: cmd completed: status=0 [ 3.899859] mwifiex_sdio mmc2:0001:1: cmd: FREE_CMD: cmd=0xd9, cmd_pending=0 [ 3.903480] mwifiex_sdio mmc2:0001:1: cmd: PS Command: Enter PS [ 3.906439] mwifiex_sdio mmc2:0001:1: cmd: QUEUE_CMD: cmd=0xe4, cmd_pending=1 [ 3.910042] mwifiex_sdio mmc2:0001:1: cmd: DNLD_CMD: 0xe4, act 0xff, len 30, seqno 0x4 [ 3.914003] cmd buffer:00000000: e4 00 1e 00 04 00 00 00 ff 00 10 00 72 01 0e 00 [ 3.917701] cmd buffer:00000010: 00 00 01 00 05 00 00 00 00 00 01 00 e8 03 [ 3.921139] mwifiex_sdio mmc2:0001:1: info: mwifiex_host_to_card_mp_aggr: tx aggregation disabled [ 3.925575] mwifiex_sdio mmc2:0001:1: data: mwifiex_host_to_card_mp_aggr: send current buffer 32768 [ 3.930274] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x80 [ 3.933065] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.936193] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x40 [ 3.938977] mwifiex_sdio mmc2:0001:1: info: rx_len = 256 [ 3.941672] mwifiex_sdio mmc2:0001:1: info: --- Rx: Cmd Response --- [ 3.944851] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.947942] mwifiex_sdio mmc2:0001:1: cmd: CMD_RESP: 0x80e4, result 0, len 30, seqno 0x4 [ 3.951987] CMD_RESP buffer:00000000: e4 00 1e 00 04 00 00 00 ff 00 10 00 72 01 0e 00 [ 3.955902] CMD_RESP buffer:00000010: 00 00 01 00 05 00 00 00 00 00 01 00 e8 03 [ 3.959558] mwifiex_sdio mmc2:0001:1: info: mwifiex_ret_enh_power_mode: PS_MODE cmd reply result=0x0 action=0XFF [ 3.964645] mwifiex_sdio mmc2:0001:1: cmd: Enabled STA power save [ 3.967692] mwifiex_sdio mmc2:0001:1: cmd completed: status=0 [ 3.970563] mwifiex_sdio mmc2:0001:1: cmd: FREE_CMD: cmd=0xe4, cmd_pending=0 [ 3.974188] mwifiex_sdio mmc2:0001:1: cmd: QUEUE_CMD: cmd=0x242, cmd_pending=1 [ 3.977808] mwifiex_sdio mmc2:0001:1: cmd: DNLD_CMD: 0x242, act 0x0, len 10, seqno 0x5 [ 3.981768] cmd buffer:00000000: 42 02 0a 00 05 00 00 00 00 00 [ 3.984685] mwifiex_sdio mmc2:0001:1: info: mwifiex_host_to_card_mp_aggr: tx aggregation disabled [ 3.989121] mwifiex_sdio mmc2:0001:1: data: mwifiex_host_to_card_mp_aggr: send current buffer 32768 [ 3.993759] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x80 [ 3.996547] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 3.999679] mwifiex_sdio mmc2:0001:1: int: sdio_ireg = 0x40 [ 4.002464] mwifiex_sdio mmc2:0001:1: info: rx_len = 256 [ 4.005160] mwifiex_sdio mmc2:0001:1: info: --- Rx: Cmd Response --- [ 4.008339] mwifiex_sdio mmc2:0001:1: info: cmd_sent=0 data_sent=0 [ 4.011435] mwifiex_sdio mmc2:0001:1: cmd: CMD_RESP: 0x8242, result 2, len 10, seqno 0x5 [ 4.015481] CMD_RESP buffer:00000000: 42 02 0a 00 05 00 02 00 00 00 [ 4.018614] mwifiex_sdio mmc2:0001:1: CMD_RESP: cmd 0x242 error, result=0x2 [ 4.022099] mwifiex_sdio mmc2:0001:1: cmd completed: status=-1 [ 4.025017] mwifiex_sdio mmc2:0001:1: cmd: FREE_CMD: cmd=0x242, cmd_pending=0 [ 4.028588] mwifiex_sdio mmc2:0001:1: mwifiex_process_cmdresp: cmd 0x242 failed during initialization
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