Can't access mmc #0 on mt7623 when booted from external SD
Michael Nazzareno Trimarchi
michael at amarulasolutions.com
Tue Jun 16 18:21:09 CEST 2020
Hi David
On Tue, Jun 16, 2020 at 6:16 PM David Woodhouse <dwmw2 at infradead.org> wrote:
>
> The Banana Pi R2 bootloader will load U-Boot from either the internal
> eMMC, or the external SD card if the latter is present.
>
> If booted from the eMMC (and an SD card is subsequently inserted), both
> work from U-Boot. Both also work from Linux, whichever device is booted
> from.
>
> If booted from SD, the internal eMMC cannot be accessed from U-Boot.
> This makes it slightly difficult for me to write a U-Boot script which
> installs OpenWRT from the SD card to the internal eMMC...
I'm thinking that bootrom do the right job for you when both are working.
Michael
>
>
> From SD:
>
> U-Boot 2020.07-rc4-00057-gc622afb087 (Jun 16 2020 - 17:05:55 +0100)
>
> CPU: MediaTek MT7623 E3
> DRAM: 2 GiB
> WDT: Started with servicing (60s timeout)
> MMC: mmc at 11230000: 0, mmc at 11240000: 1
> Loading Environment from FAT... ** No device specified **
> ## Warning: Unknown environment variable type 'i'
> ## Warning: Unknown environment variable type 'i'
> ## Warning: Unknown environment variable type 'i'
> In: serial
> Out: serial
> Err: serial
> Hit any key to stop autoboot: 0
> U-Boot> mmc list
> mmc at 11230000: 0
> mmc at 11240000: 1
> U-Boot> mmc dev 0
> CMD_SEND:0
> ARG 0x00000000
> MMC_RSP_NONE
> CMD_SEND:8
> ARG 0x000001aa
> RET -110
> CMD_SEND:55
> ARG 0x00000000
> RET -110
> CMD_SEND:0
> ARG 0x00000000
> MMC_RSP_NONE
> CMD_SEND:1
> ARG 0x00000000
> MMC_RSP_R3,4 0xffffffff
> CMD_SEND:2
> ARG 0x00000000
> RET -110
> U-Boot> mmc dev 1
> CMD_SEND:0
> ARG 0x00000000
> MMC_RSP_NONE
> CMD_SEND:8
> ARG 0x000001aa
> MMC_RSP_R1,5,6,7 0x000001aa
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x00ff8000
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x80ff8000
> CMD_SEND:2
> ARG 0x00000000
> MMC_RSP_R2 0x744a6055
> 0x53442020
> 0x104059f3
> 0x34013be5
>
> DUMPING DATA
> 000 - 74 4a 60 55
> 004 - 53 44 20 20
> 008 - 10 40 59 f3
> 012 - 34 01 3b e5
> CMD_SEND:3
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x59b40520
> CMD_SEND:9
> ARG 0x59b40000
> MMC_RSP_R2 0x007f0032
> 0x5b5a83bd
> 0x6db7ff80
> 0x0a80008d
>
> DUMPING DATA
> 000 - 00 7f 00 32
> 004 - 5b 5a 83 bd
> 008 - 6d b7 ff 80
> 012 - 0a 80 00 8d
> CMD_SEND:7
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000700
> CMD_SEND:55
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:51
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:6
> ARG 0x00fffff1
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:55
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:6
> ARG 0x00000002
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:6
> ARG 0x80fffff1
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:55
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:13
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:16
> ARG 0x00000200
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:17
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000900
> switch to partitions #0, OK
> mmc1 is current device
>
>
>
> From MMC:
>
> U-Boot 2020.07-rc4-00057-gc622afb087 (Jun 16 2020 - 17:05:55 +0100)
>
> CPU: MediaTek MT7623 E3
> DRAM: 2 GiB
> WDT: Started with servicing (60s timeout)
> MMC: mmc at 11230000: 0, mmc at 11240000: 1
> Loading Environment from FAT... ** No device specified **
> ## Warning: Unknown environment variable type 'i'
> ## Warning: Unknown environment variable type 'i'
> ## Warning: Unknown environment variable type 'i'
> In: serial
> Out: serial
> Err: serial
> Hit any key to stop autoboot: 0
> U-Boot> mmc list
> mmc at 11230000: 0
> mmc at 11240000: 1
> U-Boot> mmc dev 0
> CMD_SEND:0
> ARG 0x00000000
> MMC_RSP_NONE
> CMD_SEND:8
> ARG 0x000001aa
> RET -110
> CMD_SEND:55
> ARG 0x00000000
> RET -110
> CMD_SEND:0
> ARG 0x00000000
> MMC_RSP_NONE
> CMD_SEND:1
> ARG 0x00000000
> MMC_RSP_R3,4 0x40ff8080
> CMD_SEND:1
> ARG 0x40300000
> MMC_RSP_R3,4 0x40ff8080
> CMD_SEND:0
> ARG 0x00000000
> MMC_RSP_NONE
> CMD_SEND:1
> ARG 0x40300000
> MMC_RSP_R3,4 0x40ff8080
> CMD_SEND:1
> ARG 0x40300000
> MMC_RSP_R3,4 0xc0ff8080
> CMD_SEND:2
> ARG 0x00000000
> MMC_RSP_R2 0x15010038
> 0x47544634
> 0x5206071b
> 0x48de461d
>
> DUMPING DATA
> 000 - 15 01 00 38
> 004 - 47 54 46 34
> 008 - 52 06 07 1b
> 012 - 48 de 46 1d
> CMD_SEND:3
> ARG 0x00010000
> MMC_RSP_R1,5,6,7 0x00000500
> CMD_SEND:9
> ARG 0x00010000
> MMC_RSP_R2 0xd0270132
> 0x0f5903ff
> 0xf6dbffef
> 0x8e40400d
>
> DUMPING DATA
> 000 - d0 27 01 32
> 004 - 0f 59 03 ff
> 008 - f6 db ff ef
> 012 - 8e 40 40 0d
> CMD_SEND:7
> ARG 0x00010000
> MMC_RSP_R1,5,6,7 0x00000700
> CMD_SEND:8
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:6
> ARG 0x03b70200
> MMC_RSP_R1b 0x00000900
> CMD_SEND:13
> ARG 0x00010000
> MMC_RSP_R1,5,6,7 0x00000900
> CURR STATE:4
> CMD_SEND:6
> ARG 0x03b90100
> MMC_RSP_R1b 0x00000900
> CMD_SEND:13
> ARG 0x00010000
> MMC_RSP_R1,5,6,7 0x00000900
> CURR STATE:4
> CMD_SEND:8
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:8
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:16
> ARG 0x00000200
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:17
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000900
> switch to partitions #0, OK
> mmc0(part 0) is current device
> U-Boot> mmc dev 1
> CMD_SEND:0
> ARG 0x00000000
> MMC_RSP_NONE
> CMD_SEND:8
> ARG 0x000001aa
> MMC_RSP_R1,5,6,7 0x000001aa
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x00ff8000
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x00ff8000
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x00ff8000
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x00ff8000
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x00ff8000
> CMD_SEND:55
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000120
> CMD_SEND:41
> ARG 0x40300000
> MMC_RSP_R3,4 0x80ff8000
> CMD_SEND:2
> ARG 0x00000000
> MMC_RSP_R2 0x744a6055
> 0x53442020
> 0x104059f3
> 0x34013be5
>
> DUMPING DATA
> 000 - 74 4a 60 55
> 004 - 53 44 20 20
> 008 - 10 40 59 f3
> 012 - 34 01 3b e5
> CMD_SEND:3
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x59b40520
> CMD_SEND:9
> ARG 0x59b40000
> MMC_RSP_R2 0x007f0032
> 0x5b5a83bd
> 0x6db7ff80
> 0x0a80008d
>
> DUMPING DATA
> 000 - 00 7f 00 32
> 004 - 5b 5a 83 bd
> 008 - 6d b7 ff 80
> 012 - 0a 80 00 8d
> CMD_SEND:7
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000700
> CMD_SEND:55
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:51
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:6
> ARG 0x00fffff1
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:55
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:6
> ARG 0x00000002
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:6
> ARG 0x80fffff1
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:55
> ARG 0x59b40000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:13
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000920
> CMD_SEND:16
> ARG 0x00000200
> MMC_RSP_R1,5,6,7 0x00000900
> CMD_SEND:17
> ARG 0x00000000
> MMC_RSP_R1,5,6,7 0x00000900
> switch to partitions #0, OK
> mmc1 is current device
> U-Boot>
--
| Michael Nazzareno Trimarchi Amarula Solutions BV |
| COO - Founder Cruquiuskade 47 |
| +31(0)851119172 Amsterdam 1018 AM NL |
| [`as] http://www.amarulasolutions.com |
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