diff options
| author | Roshni Shah <shah.roshni@yahoo.com> | 2011-03-14 06:49:42 -0400 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2012-03-02 16:59:46 -0500 |
| commit | 2731b2eadeaa141e6f305fa8086106608112bbaa (patch) | |
| tree | 2702d45bac84073cd580ccb1bd3eafb9a000d3b6 /arch/arm/plat-mxc/system.c | |
| parent | 6d23f5084c975be637f7d748db82116bf84d3872 (diff) | |
Add support for the i.MX53 QSB2.6.35.3-mx53-early-201103141049
This patch seems to have originated from the 11.01.00 release
from Freescale, which is no longer available except through the
gitweb interface from Freescale.
http://opensource.freescale.com/git?p=imx/linux-2.6-imx.git;a=commit;h=27fdf7bae11978d21e8aba09bb635f49b07edd4a
Diffstat (limited to 'arch/arm/plat-mxc/system.c')
| -rw-r--r-- | arch/arm/plat-mxc/system.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c index 97f42799fa58..398b4e1e2e06 100644 --- a/arch/arm/plat-mxc/system.c +++ b/arch/arm/plat-mxc/system.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1999 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd - * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2006-2010 Freescale Semiconductor * Copyright 2008 Juergen Beisert, kernel@pengutronix.de * Copyright 2009 Ilya Yanok, Emcraft Systems Ltd, yanok@emcraft.com * @@ -32,6 +32,8 @@ #include <asm/system.h> static void __iomem *wdog_base; +extern int dvfs_core_is_active; +extern void stop_dvfs(void); /* * Reset the system. It is called by machine_restart(). @@ -46,6 +48,21 @@ void arch_reset(char mode, const char *cmd) return; } #endif + +#ifdef CONFIG_ARCH_MX51 + /* Workaround to reset NFC_CONFIG3 register + * due to the chip warm reset does not reset it + */ + if (cpu_is_mx51() || cpu_is_mx53()) + __raw_writel(0x20600, IO_ADDRESS(NFC_BASE_ADDR) + 0x28); +#endif + +#ifdef CONFIG_ARCH_MX5 + /* Stop DVFS-CORE before reboot. */ + if (dvfs_core_is_active) + stop_dvfs(); +#endif + if (cpu_is_mx1()) { wcr_enable = (1 << 0); } else { |