diff options
Diffstat (limited to 'arch/arm/mach-octeontx/lowlevel_init.S')
| -rw-r--r-- | arch/arm/mach-octeontx/lowlevel_init.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-octeontx/lowlevel_init.S b/arch/arm/mach-octeontx/lowlevel_init.S new file mode 100644 index 0000000000..41a9f08aed --- /dev/null +++ b/arch/arm/mach-octeontx/lowlevel_init.S @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2018 Marvell International Ltd. + * + * https://spdx.org/licenses + */ + +#include <config.h> +#include <linux/linkage.h> +#include <asm/macro.h> + +.align 8 +.global fdt_base_addr +fdt_base_addr: + .dword 0x0 + +.global save_boot_params +save_boot_params: + /* Read FDT base from x1 register passed by ATF */ + adr x21, fdt_base_addr + str x1, [x21] + + /* Returns */ + b save_boot_params_ret + +ENTRY(lowlevel_init) + mov x29, lr /* Save LR */ + + /* any lowlevel init should go here */ + + mov lr, x29 /* Restore LR */ + ret +ENDPROC(lowlevel_init) |