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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 12:00:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 12:00:25 -0800
commit5bb47b9ff3d16d40f8d45380b373497a545fa280 (patch)
treee13dd34395473342dc75eff5cbaf5b1ea753631c /arch/blackfin/include/asm/ipipe_base.h
parent2f2408a88cf8fa43febfd7fb5783e61b2937b0f9 (diff)
parent06af15e086e39a5a2a2413973a64af8e10122f28 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (171 commits) Blackfin arch: fix bug - BF527 0.2 silicon has different CPUID (DSPID) value Blackfin arch: Enlarge flash partition for kenel for bf533/bf537 boards Blackfin arch: fix bug: kernel crash when enable SDIO host driver Blackfin arch: Print FP at level KERN_NOTICE Blackfin arch: drop ad73311 test code Blackfin arch: update board default configs Blackfin arch: Set PB4 as the default irq for bf548 board v1.4+. Blackfin arch: fix typo in early printk bit size processing Blackfin arch: enable reprogram cclk and sclk for bf518f-ezbrd Blackfin arch: add SDIO host driver platform data Blackfin arch: fix bug - kernel stops at initial console Blackfin arch: fix bug - kernel crash after config IP for ethernet port Blackfin arch: add sdh support for bf518f-ezbrd Blackfin arch: fix bug - kernel detects BF532 incorrectly Blackfin arch: add () to avoid warnings from gcc Blackfin arch: change HWTRACE Kconfig and set it on default Blackfin arch: Clean oprofile build path for blackfin Blackfin arch: remove hardware PM code, oprofile not use it Blackfin arch: rewrite get_sclk()/get_vco() Blackfin arch: cleanup and unify the ins functions ...
Diffstat (limited to 'arch/blackfin/include/asm/ipipe_base.h')
-rw-r--r--arch/blackfin/include/asm/ipipe_base.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/ipipe_base.h b/arch/blackfin/include/asm/ipipe_base.h
new file mode 100644
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+++ b/arch/blackfin/include/asm/ipipe_base.h
@@ -0,0 +1,80 @@
+/* -*- linux-c -*-
+ * include/asm-blackfin/_baseipipe.h
+ *
+ * Copyright (C) 2007 Philippe Gerum.
+ *
+ * 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, Inc., 675 Mass Ave, Cambridge MA 02139,
+ * USA; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __ASM_BLACKFIN_IPIPE_BASE_H
+#define __ASM_BLACKFIN_IPIPE_BASE_H
+
+#ifdef CONFIG_IPIPE
+
+#define IPIPE_NR_XIRQS NR_IRQS
+#define IPIPE_IRQ_ISHIFT 5 /* 2^5 for 32bits arch. */
+
+/* Blackfin-specific, global domain flags */
+#define IPIPE_ROOTLOCK_FLAG 1 /* Lock pipeline for root */
+
+ /* Blackfin traps -- i.e. exception vector numbers */
+#define IPIPE_NR_FAULTS 52 /* We leave a gap after VEC_ILL_RES. */
+/* Pseudo-vectors used for kernel events */
+#define IPIPE_FIRST_EVENT IPIPE_NR_FAULTS
+#define IPIPE_EVENT_SYSCALL (IPIPE_FIRST_EVENT)
+#define IPIPE_EVENT_SCHEDULE (IPIPE_FIRST_EVENT + 1)
+#define IPIPE_EVENT_SIGWAKE (IPIPE_FIRST_EVENT + 2)
+#define IPIPE_EVENT_SETSCHED (IPIPE_FIRST_EVENT + 3)
+#define IPIPE_EVENT_INIT (IPIPE_FIRST_EVENT + 4)
+#define IPIPE_EVENT_EXIT (IPIPE_FIRST_EVENT + 5)
+#define IPIPE_EVENT_CLEANUP (IPIPE_FIRST_EVENT + 6)
+#define IPIPE_LAST_EVENT IPIPE_EVENT_CLEANUP
+#define IPIPE_NR_EVENTS (IPIPE_LAST_EVENT + 1)
+
+#define IPIPE_TIMER_IRQ IRQ_CORETMR
+
+#ifndef __ASSEMBLY__
+
+#include <linux/bitops.h>
+
+extern int test_bit(int nr, const void *addr);
+
+
+extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
+
+static inline void __ipipe_stall_root(void)
+{
+ volatile unsigned long *p = &__ipipe_root_status;
+ set_bit(0, p);
+}
+
+static inline unsigned long __ipipe_test_and_stall_root(void)
+{
+ volatile unsigned long *p = &__ipipe_root_status;
+ return test_and_set_bit(0, p);
+}
+
+static inline unsigned long __ipipe_test_root(void)
+{
+ const unsigned long *p = &__ipipe_root_status;
+ return test_bit(0, p);
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* CONFIG_IPIPE */
+
+#endif /* !__ASM_BLACKFIN_IPIPE_BASE_H */