diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/mips/ath79/prom.c | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/ath79/prom.c')
| -rw-r--r-- | arch/mips/ath79/prom.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/mips/ath79/prom.c b/arch/mips/ath79/prom.c new file mode 100644 index 0000000000..cc6dc56006 --- /dev/null +++ b/arch/mips/ath79/prom.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Atheros AR71XX/AR724X/AR913X specific prom routines + * + * Copyright (C) 2015 Laurent Fasnacht <l@libres.ch> + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/string.h> +#include <linux/initrd.h> + +#include <asm/bootinfo.h> +#include <asm/addrspace.h> +#include <asm/fw/fw.h> + +#include "common.h" + +void __init prom_init(void) +{ + fw_init_cmdline(); + +#ifdef CONFIG_BLK_DEV_INITRD + /* Read the initrd address from the firmware environment */ + initrd_start = fw_getenvl("initrd_start"); + if (initrd_start) { + initrd_start = KSEG0ADDR(initrd_start); + initrd_end = initrd_start + fw_getenvl("initrd_size"); + } +#endif +} |