diff options
| author | Dinh Nguyen <Dinh.Nguyen@freescale.com> | 2010-11-15 11:30:00 -0600 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-11-24 10:09:06 +0100 |
| commit | b66ff7a2cd411a2245c984793a7eb98ee91771f9 (patch) | |
| tree | 2688f4581ac40abf1f0f976f5441f5cd0454a4f6 /arch/arm/mach-mx5/cpu.c | |
| parent | c0abefd30b2c9db015df4914a95d268ecdb39b00 (diff) | |
ARM: imx: Add mx53 support to common msl functions.
Add mx53 support to cpu.c and mm.c.
Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5/cpu.c')
| -rw-r--r-- | arch/arm/mach-mx5/cpu.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 8c9a29e322d..a00d2bc7246 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -1,5 +1,5 @@ /* - * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License @@ -92,6 +92,23 @@ static int __init mx51_neon_fixup(void) late_initcall(mx51_neon_fixup); #endif +/* + * Returns: + * the silicon revision of the cpu + * -EINVAL - not a mx53 + */ +int mx53_revision(void) +{ + if (!cpu_is_mx53()) + return -EINVAL; + + if (cpu_silicon_rev == -1) + query_silicon_parameter(); + + return cpu_silicon_rev; +} +EXPORT_SYMBOL(mx53_revision); + static int __init post_cpu_init(void) { unsigned int reg; |