diff options
Diffstat (limited to 'roms/u-boot/board/raspberrypi/rpi/lowlevel_init.S')
| -rw-r--r-- | roms/u-boot/board/raspberrypi/rpi/lowlevel_init.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/roms/u-boot/board/raspberrypi/rpi/lowlevel_init.S b/roms/u-boot/board/raspberrypi/rpi/lowlevel_init.S new file mode 100644 index 000000000..8c39b3e12 --- /dev/null +++ b/roms/u-boot/board/raspberrypi/rpi/lowlevel_init.S @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2016 + * Cédric Schieli <cschieli@gmail.com> + */ + +#include <config.h> + +/* + * Routine: save_boot_params (called after reset from start.S) + * Description: save ATAG/FDT address provided by the firmware at boot time + */ + +.global save_boot_params +save_boot_params: + + /* The firmware provided ATAG/FDT address can be found in r2/x0 */ +#ifdef CONFIG_ARM64 + adr x8, fw_dtb_pointer + str x0, [x8] +#else + ldr r8, =fw_dtb_pointer + str r2, [r8] +#endif + + /* Returns */ + b save_boot_params_ret |