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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-02-06 14:26:10 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-02-06 14:44:46 +0100 |
| commit | 8d62c1f6290d7739e0c7221537b47b3969b6f8dc (patch) | |
| tree | 6d14c4ff31e10bef5c410f938e08f8653493f84d | |
| parent | 4e2fe88944220ab6c6390f4aff69ecab7a9278be (diff) | |
| download | barebox-8d62c1f6290d7739e0c7221537b47b3969b6f8dc.tar.gz barebox-8d62c1f6290d7739e0c7221537b47b3969b6f8dc.tar.xz | |
ARM: Add simple icache enable/disable command
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/cpu/cpu.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/cpu/cpu.c b/arch/arm/cpu/cpu.c index babcd10a10..84958579eb 100644 --- a/arch/arm/cpu/cpu.c +++ b/arch/arm/cpu/cpu.c @@ -161,3 +161,27 @@ int cleanup_before_linux (void) * What's to do on ARM to run Linux after U-Boot did its job? */ +static int do_icache(cmd_tbl_t *cmdtp, int argc, char *argv[]) +{ + if (argc == 1) { + printf("icache is %sabled\n", icache_status() ? "en" : "dis"); + return 0; + } + + if (simple_strtoul(argv[1], NULL, 0) > 0) + icache_enable(); + else + icache_disable(); + + return 0; +} + +static const __maybe_unused char cmd_icache_help[] = +"Usage: icache [0|1]\n"; + +U_BOOT_CMD_START(icache) + .maxargs = CONFIG_MAXARGS, + .cmd = do_icache, + .usage = "show/change icache status", + U_BOOT_CMD_HELP(cmd_icache_help) +U_BOOT_CMD_END |