Hi David On Tue, Jun 16, 2020 at 6:16 PM David Woodhouse <dw...@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@11230000: 0, mmc@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@11230000: 0 > mmc@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@11230000: 0, mmc@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@11230000: 0 > mmc@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 |