imx8m: lowlevel_init: tune alignment

The minimum alignment is 16 bytes, so use align 4 is enough.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx8m: implement armv8_el2_to_aarch32

Add iMX8M specific armv8_el2_to_aarch32 to let AArch64 mode U-Boot
could boot aarch32 mode linux with FIT image as below:

/dts-v1/;

/ {
description = "Configuration to load ARM32 Linux";

images {
kernel@1 {
description = "ARM32 Linux kernel";
data = /incbin/("./Image");
type = "kernel";
arch = "arm";
os = "linux";
compression = "none";
load = <0x40008000>;
entry = <0x40008000>;
hash@1 {
algo = "md5";
};
};
fdt@1 {
description = "Flattened Device Tree blob";
data = /incbin/("./imx8mm-evk.dtb");
type = "flat_dt";
arch = "arm";
compression = "none";
load = <0x43000000>;
hash@1 {
algo = "md5";
};
};
};
configurations {
default = "config@1";

config@1 {
description = "fsl-imx8mm-evk";
kernel = "kernel@1";
fdt = "fdt@1";
};
};
};

Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: rename mx8m,MX8M to imx8m,IMX8M

Rename mx8m,MX8M to imx8m,IMX8M

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jon Nettleton <jon@solid-run.com>

imx8m: implement armv8_el2_to_aarch32

Add iMX8M specific armv8_el2_to_aarch32 to let AArch64 mode U-Boot
could boot aarch32 mode linux with FIT image as below:

/dts-v1/;

/ {
description = "Configuration to load ARM32 Linux";

images {
kernel@1 {
description = "ARM32 Linux kernel";
data = /incbin/("./Image");
type = "kernel";
arch = "arm";
os = "linux";
compression = "none";
load = <0x40008000>;
entry = <0x40008000>;
hash@1 {
algo = "md5";
};
};
fdt@1 {
description = "Flattened Device Tree blob";
data = /incbin/("./imx8mm-evk.dtb");
type = "flat_dt";
arch = "arm";
compression = "none";
load = <0x43000000>;
hash@1 {
algo = "md5";
};
};
};
configurations {
default = "config@1";

config@1 {
description = "fsl-imx8mm-evk";
kernel = "kernel@1";
fdt = "fdt@1";
};
};
};

Signed-off-by: Peng Fan <peng.fan@nxp.com>

imx: rename mx8m,MX8M to imx8m,IMX8M

Rename mx8m,MX8M to imx8m,IMX8M

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jon Nettleton <jon@solid-run.com>

imx: rename mx8m,MX8M to imx8m,IMX8M

Rename mx8m,MX8M to imx8m,IMX8M

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jon Nettleton <jon@solid-run.com>