From 27ad4bf72a27c80c121b2349174e6b41b2e3afd8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Thu, 17 Mar 2011 09:40:29 +0100 Subject: ARM: imx: move mx3 support to mach-imx MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixing a few "please, no space before tabs" and "empty line at end of file" warnings on the way. LAKML-Reference: 1299271882-2130-6-git-send-email-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer --- arch/arm/mach-imx/cpu-imx35.c | 44 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/arm/mach-imx/cpu-imx35.c (limited to 'arch/arm/mach-imx/cpu-imx35.c') diff --git a/arch/arm/mach-imx/cpu-imx35.c b/arch/arm/mach-imx/cpu-imx35.c new file mode 100644 index 000000000000..6637cd819ecb --- /dev/null +++ b/arch/arm/mach-imx/cpu-imx35.c @@ -0,0 +1,44 @@ +/* + * MX35 CPU type detection + * + * Copyright (c) 2009 Daniel Mack + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#include +#include +#include +#include + +unsigned int mx35_cpu_rev; +EXPORT_SYMBOL(mx35_cpu_rev); + +void __init mx35_read_cpu_rev(void) +{ + u32 rev; + char *srev; + + rev = __raw_readl(MX35_IO_ADDRESS(MX35_IIM_BASE_ADDR + MXC_IIMSREV)); + switch (rev) { + case 0x00: + mx35_cpu_rev = IMX_CHIP_REVISION_1_0; + srev = "1.0"; + break; + case 0x10: + mx35_cpu_rev = IMX_CHIP_REVISION_2_0; + srev = "2.0"; + break; + case 0x11: + mx35_cpu_rev = IMX_CHIP_REVISION_2_1; + srev = "2.1"; + break; + default: + mx35_cpu_rev = IMX_CHIP_REVISION_UNKNOWN; + srev = "unknown"; + } + + printk(KERN_INFO "CPU identified as i.MX35, silicon rev %s\n", srev); +} -- cgit v1.2.1