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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-21 16:40:26 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-21 16:40:26 (GMT)
commitf8b71a3a92d69cb1c9c2162f9235d3dd550e4aa0 (patch)
treed0853186f33314a6e45903876d0e94d1619fcca9 /include/asm-sparc/timer.h
parent42a77a1b8fe4fd78cf8d8fccbaac918bbe888192 (diff)
parente4f25060b87a627f5cda84b8134911d43c919458 (diff)
downloadlinux-fsl-qoriq-f8b71a3a92d69cb1c9c2162f9235d3dd550e4aa0.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: (44 commits) sparc: Remove Sparc's asm-offsets for sclow.S sparc64: Update defconfig. sparc64: Add Niagara2 RNG driver. sparc64: Add missing hypervisor service group numbers. sparc64: Remove 4MB and 512K base page size options. sparc64: Convert to generic helpers for IPI function calls. sparc: Use new '%pS' infrastructure to print symbols. sparc32: fix init.c allnoconfig build error sparc64: Config category "Processor type and features" absent sparc: arch/sparc/kernel/apc.c to unlocked_ioctl sparc: join the remaining header files sparc: merge header files with trivial differences sparc: when header files are equal use asm-sparc version sparc: copy sparc64 specific files to asm-sparc sparc: Merge asm-sparc{,64}/asi.h sparc: export openprom.h to userspace sparc: Merge asm-sparc{,64}/types.h sparc: Merge asm-sparc{,64}/termios.h sparc: Merge asm-sparc{,64}/termbits.h sparc: Merge asm-sparc{,64}/setup.h ...
Diffstat (limited to 'include/asm-sparc/timer.h')
-rw-r--r--include/asm-sparc/timer.h113
1 files changed, 6 insertions, 107 deletions
diff --git a/include/asm-sparc/timer.h b/include/asm-sparc/timer.h
index d909565..475baa0 100644
--- a/include/asm-sparc/timer.h
+++ b/include/asm-sparc/timer.h
@@ -1,109 +1,8 @@
-/*
- * timer.h: Definitions for the timer chips on the Sparc.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-
-
-#ifndef _SPARC_TIMER_H
-#define _SPARC_TIMER_H
-
-#include <asm/system.h> /* For SUN4M_NCPUS */
-#include <asm/sun4paddr.h>
-#include <asm/btfixup.h>
-
-/* Timer structures. The interrupt timer has two properties which
- * are the counter (which is handled in do_timer in sched.c) and the limit.
- * This limit is where the timer's counter 'wraps' around. Oddly enough,
- * the sun4c timer when it hits the limit wraps back to 1 and not zero
- * thus when calculating the value at which it will fire a microsecond you
- * must adjust by one. Thanks SUN for designing such great hardware ;(
- */
-
-/* Note that I am only going to use the timer that interrupts at
- * Sparc IRQ 10. There is another one available that can fire at
- * IRQ 14. Currently it is left untouched, we keep the PROM's limit
- * register value and let the prom take these interrupts. This allows
- * L1-A to work.
- */
-
-struct sun4c_timer_info {
- __volatile__ unsigned int cur_count10;
- __volatile__ unsigned int timer_limit10;
- __volatile__ unsigned int cur_count14;
- __volatile__ unsigned int timer_limit14;
-};
-
-#define SUN4C_TIMER_PHYSADDR 0xf3000000
-#ifdef CONFIG_SUN4
-#define SUN_TIMER_PHYSADDR SUN4_300_TIMER_PHYSADDR
+#ifndef ___ASM_SPARC_TIMER_H
+#define ___ASM_SPARC_TIMER_H
+#if defined(__sparc__) && defined(__arch64__)
+#include <asm-sparc/timer_64.h>
#else
-#define SUN_TIMER_PHYSADDR SUN4C_TIMER_PHYSADDR
+#include <asm-sparc/timer_32.h>
+#endif
#endif
-
-/* A sun4m has two blocks of registers which are probably of the same
- * structure. LSI Logic's L64851 is told to _decrement_ from the limit
- * value. Aurora behaves similarly but its limit value is compacted in
- * other fashion (it's wider). Documented fields are defined here.
- */
-
-/* As with the interrupt register, we have two classes of timer registers
- * which are per-cpu and master. Per-cpu timers only hit that cpu and are
- * only level 14 ticks, master timer hits all cpus and is level 10.
- */
-
-#define SUN4M_PRM_CNT_L 0x80000000
-#define SUN4M_PRM_CNT_LVALUE 0x7FFFFC00
-
-struct sun4m_timer_percpu_info {
- __volatile__ unsigned int l14_timer_limit; /* Initial value is 0x009c4000 */
- __volatile__ unsigned int l14_cur_count;
-
- /* This register appears to be write only and/or inaccessible
- * on Uni-Processor sun4m machines.
- */
- __volatile__ unsigned int l14_limit_noclear; /* Data access error is here */
-
- __volatile__ unsigned int cntrl; /* =1 after POST on Aurora */
- __volatile__ unsigned char space[PAGE_SIZE - 16];
-};
-
-struct sun4m_timer_regs {
- struct sun4m_timer_percpu_info cpu_timers[SUN4M_NCPUS];
- volatile unsigned int l10_timer_limit;
- volatile unsigned int l10_cur_count;
-
- /* Again, this appears to be write only and/or inaccessible
- * on uni-processor sun4m machines.
- */
- volatile unsigned int l10_limit_noclear;
-
- /* This register too, it must be magic. */
- volatile unsigned int foobar;
-
- volatile unsigned int cfg; /* equals zero at boot time... */
-};
-
-extern struct sun4m_timer_regs *sun4m_timers;
-
-#define SUN4D_PRM_CNT_L 0x80000000
-#define SUN4D_PRM_CNT_LVALUE 0x7FFFFC00
-
-struct sun4d_timer_regs {
- volatile unsigned int l10_timer_limit;
- volatile unsigned int l10_cur_countx;
- volatile unsigned int l10_limit_noclear;
- volatile unsigned int ctrl;
- volatile unsigned int l10_cur_count;
-};
-
-extern struct sun4d_timer_regs *sun4d_timers;
-
-extern __volatile__ unsigned int *master_l10_counter;
-extern __volatile__ unsigned int *master_l10_limit;
-
-/* FIXME: Make do_[gs]ettimeofday btfixup calls */
-BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv)
-#define bus_do_settimeofday(tv) BTFIXUP_CALL(bus_do_settimeofday)(tv)
-
-#endif /* !(_SPARC_TIMER_H) */