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authorRichard Kuo <rkuo@codeaurora.org>2011-10-31 18:43:24 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 07:34:19 -0700
commit71e4a47f32f4e1e8ca7384433c2b9fcf478b963f (patch)
tree3e88b306ed224034e6d4d0f37c3acf905b3672f9 /arch/hexagon/include
parent2ac211bc423a0e62fe3ca3d78954de3174ae41f2 (diff)
downloadlinux-linaro-stable-71e4a47f32f4e1e8ca7384433c2b9fcf478b963f.tar.gz
Hexagon: Add time and timer functions
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/include')
-rw-r--r--arch/hexagon/include/asm/time.h29
-rw-r--r--arch/hexagon/include/asm/timer-regs.h39
2 files changed, 68 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/time.h b/arch/hexagon/include/asm/time.h
new file mode 100644
index 000000000000..081b82cac9a9
--- /dev/null
+++ b/arch/hexagon/include/asm/time.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef ASM_TIME_H
+#define ASM_TIME_H
+
+extern cycles_t pcycle_freq_mhz;
+extern cycles_t thread_freq_mhz;
+extern cycles_t sleep_clk_freq;
+
+void setup_percpu_clockdev(void);
+void ipi_timer(void);
+
+#endif
diff --git a/arch/hexagon/include/asm/timer-regs.h b/arch/hexagon/include/asm/timer-regs.h
new file mode 100644
index 000000000000..d80db239a7b6
--- /dev/null
+++ b/arch/hexagon/include/asm/timer-regs.h
@@ -0,0 +1,39 @@
+/*
+ * Timer support for Hexagon
+ *
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_TIMER_REGS_H
+#define _ASM_TIMER_REGS_H
+
+/* This stuff should go into a platform specific file */
+#define TCX0_CLK_RATE 19200
+#define TIMER_ENABLE 0
+#define TIMER_CLR_ON_MATCH 1
+
+/*
+ * 8x50 HDD Specs 5-8. Simulator co-sim not fixed until
+ * release 1.1, and then it's "adjustable" and probably not defaulted.
+ */
+#define RTOS_TIMER_INT 3
+#ifdef CONFIG_HEXAGON_COMET
+#define RTOS_TIMER_REGS_ADDR 0xAB000000UL
+#endif
+#define SLEEP_CLK_RATE 32000
+
+#endif