diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-02-11 08:32:18 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-02-11 08:33:14 +0100 |
commit | f19693a17c6705e197eb24d4618060eaac1b535c (patch) | |
tree | fc39dc23297c0e6be730cb0dfd74a34d9c0b8bfd /arch/mips/ath79/prom.c | |
parent | 23b120cdfae4f5c29da69de750d545bad719ead4 (diff) | |
parent | 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff) | |
download | kernel_samsung_smdk4412-f19693a17c6705e197eb24d4618060eaac1b535c.zip kernel_samsung_smdk4412-f19693a17c6705e197eb24d4618060eaac1b535c.tar.gz kernel_samsung_smdk4412-f19693a17c6705e197eb24d4618060eaac1b535c.tar.bz2 |
Merge commit 'v2.6.38-rc4' into imx-for-2.6.39
Conflicts:
arch/arm/mach-mxs/clock-mx28.c
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips/ath79/prom.c')
-rw-r--r-- | arch/mips/ath79/prom.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/mips/ath79/prom.c b/arch/mips/ath79/prom.c new file mode 100644 index 0000000..e9cbd7c --- /dev/null +++ b/arch/mips/ath79/prom.c @@ -0,0 +1,57 @@ +/* + * Atheros AR71XX/AR724X/AR913X specific prom routines + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/string.h> + +#include <asm/bootinfo.h> +#include <asm/addrspace.h> + +#include "common.h" + +static inline int is_valid_ram_addr(void *addr) +{ + if (((u32) addr > KSEG0) && + ((u32) addr < (KSEG0 + ATH79_MEM_SIZE_MAX))) + return 1; + + if (((u32) addr > KSEG1) && + ((u32) addr < (KSEG1 + ATH79_MEM_SIZE_MAX))) + return 1; + + return 0; +} + +static __init void ath79_prom_init_cmdline(int argc, char **argv) +{ + int i; + + if (!is_valid_ram_addr(argv)) + return; + + for (i = 0; i < argc; i++) + if (is_valid_ram_addr(argv[i])) { + strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); + strlcat(arcs_cmdline, argv[i], sizeof(arcs_cmdline)); + } +} + +void __init prom_init(void) +{ + ath79_prom_init_cmdline(fw_arg0, (char **)fw_arg1); +} + +void __init prom_free_prom_memory(void) +{ + /* We do not have to prom memory to free */ +} |