diff options
| author | Suneel Garapati <sgarapati@marvell.com> | 2019-10-19 18:37:55 -0700 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2020-08-25 08:01:16 +0200 |
| commit | 03c2288070155ee88d0c3341748a1b2b13418d8c (patch) | |
| tree | c952178591efa580c3b8804ad647efe07b0d38b5 /arch/arm/mach-octeontx/lowlevel_init.S | |
| parent | af6ba90048afb4e0db3ff2480364286f230f8b91 (diff) | |
arm: octeontx: Add support for OcteonTX SoC platforms
This patch adds support for all OcteonTX 81xx/83xx
boards from Marvell.
For 81xx boards, use octeontx_81xx_defconfig and
for 83xx boards, use octeontx_83xx_defconfig.
Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
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) |