diff options
Diffstat (limited to 'firmware/target/arm/system-pp.h')
-rw-r--r-- | firmware/target/arm/system-pp.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/firmware/target/arm/system-pp.h b/firmware/target/arm/system-pp.h new file mode 100644 index 0000000000..05fd8b6edf --- /dev/null +++ b/firmware/target/arm/system-pp.h @@ -0,0 +1,49 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 by Alan Korr + * Copyright (C) 2007 by Michael Sevakis + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#define inl(a) (*(volatile unsigned long *) (a)) +#define outl(a,b) (*(volatile unsigned long *) (b) = (a)) +#define inb(a) (*(volatile unsigned char *) (a)) +#define outb(a,b) (*(volatile unsigned char *) (b) = (a)) +#define inw(a) (*(volatile unsigned short *) (a)) +#define outw(a,b) (*(volatile unsigned short *) (b) = (a)) +extern unsigned int ipod_hw_rev; + +static inline void udelay(unsigned usecs) +{ + unsigned stop = USEC_TIMER + usecs; + while (TIME_BEFORE(USEC_TIMER, stop)); +} + +unsigned int current_core(void); + +#define HAVE_INVALIDATE_ICACHE +static inline void invalidate_icache(void) +{ + outl(inl(0xf000f044) | 0x6, 0xf000f044); + while ((CACHE_CTL & 0x8000) != 0); +} + +#define HAVE_FLUSH_ICACHE +static inline void flush_icache(void) +{ + outl(inl(0xf000f044) | 0x2, 0xf000f044); + while ((CACHE_CTL & 0x8000) != 0); +} |