u-boot-brain/arch/arm/dts/sunxi-u-boot.dtsi
Andre Przywara 6785434709 sunxi: Bring back SD card as MMC device 0
Commit 2243d19e56 ("mmc: mmc-uclass: Use dev_seq() to read aliases
node's index") now actually enforces U-Boot's device enumeration policy,
where explicitly named devices come first, then any other non-named
devices follow, without filling gaps.

For quite a while we have had an "mmc1 = &mmc2;" alias in our
sunxi-u-boot.dtsi, which now leads to the problem that the SD card
(which was always mmc device 0) now gets to be number 2.
This breaks quite some boot scripts, including our own distro boot
commands, and some other features looking at $mmc_bootdev, also
fastboot.

Just add an explicit mmc0 alias in the very same file to fix this and
restore the old behaviour.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reported-by: Samuel Holland <samuel@sholland.org>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
2021-05-31 00:39:54 +01:00

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#include <config.h>
#ifdef CONFIG_MACH_SUN50I_H6
#define BL31_ADDR 0x104000
#define SCP_ADDR 0x114000
#elif defined(CONFIG_MACH_SUN50I_H616)
#define BL31_ADDR 0x40000000
#else
#define BL31_ADDR 0x44000
#define SCP_ADDR 0x50000
#endif
/ {
aliases {
mmc0 = &mmc0;
mmc1 = &mmc2;
};
binman: binman {
multiple-images;
};
};
&binman {
u-boot-sunxi-with-spl {
filename = "u-boot-sunxi-with-spl.bin";
pad-byte = <0xff>;
blob {
filename = "spl/sunxi-spl.bin";
};
#ifdef CONFIG_ARM64
fit {
description = "Configuration to load ATF before U-Boot";
#address-cells = <1>;
fit,fdt-list = "of-list";
images {
uboot {
description = "U-Boot (64-bit)";
type = "standalone";
os = "u-boot";
arch = "arm64";
compression = "none";
load = <CONFIG_SYS_TEXT_BASE>;
u-boot-nodtb {
};
};
atf {
description = "ARM Trusted Firmware";
type = "firmware";
os = "arm-trusted-firmware";
arch = "arm64";
compression = "none";
load = <BL31_ADDR>;
entry = <BL31_ADDR>;
atf-bl31 {
filename = "bl31.bin";
missing-msg = "atf-bl31-sunxi";
};
};
#ifndef CONFIG_MACH_SUN50I_H616
scp {
description = "SCP firmware";
type = "firmware";
arch = "or1k";
compression = "none";
load = <SCP_ADDR>;
scp {
filename = "scp.bin";
missing-msg = "scp-sunxi";
};
};
#endif
@fdt-SEQ {
description = "NAME";
type = "flat_dt";
compression = "none";
};
};
configurations {
default = "@config-DEFAULT-SEQ";
@config-SEQ {
description = "NAME";
firmware = "atf";
#ifdef CONFIG_MACH_SUN50I_H616
loadables = "uboot";
#else
loadables = "scp", "uboot";
#endif
fdt = "fdt-SEQ";
};
};
};
#else
u-boot-img {
offset = <CONFIG_SPL_PAD_TO>;
};
#endif
};
};