New timer structure and defines

Seperated from mcftimer.h

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>

diff --git a/include/asm-m68k/timer.h b/include/asm-m68k/timer.h
new file mode 100644 (file)
index 0000000..d8f4e2a
--- /dev/null
+++ b/include/asm-m68k/timer.h
@@ -0,0 +1,104 @@
+/*
+ * timer.h -- ColdFire internal TIMER support defines.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; 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        timer_h
+#define        timer_h
+/****************************************************************************/
+
+/****************************************************************************/
+/* Timer structure */
+/****************************************************************************/
+/* DMA Timer module registers */
+typedef struct dtimer_ctrl {
+       u16 tmr;                /* 0x00 Mode register */
+       u8 txmr;                /* 0x02 Extended Mode register */
+       u8 ter;                 /* 0x03 Event register */
+       u32 trr;                /* 0x04 Reference register */
+       u32 tcr;                /* 0x08 Capture register */
+       u32 tcn;                /* 0x0C Counter register */
+} dtmr_t;
+
+/*Programmable Interrupt Timer */
+typedef struct pit_ctrl {
+       u16 pcsr;               /* 0x00 Control and Status Register */
+       u16 pmr;                /* 0x02 Modulus Register */
+       u16 pcntr;              /* 0x04 Count Register */
+} pit_t;
+
+/*********************************************************************
+* DMA Timers (DTIM)
+*********************************************************************/
+/* Bit definitions and macros for DTMR */
+#define DTIM_DTMR_RST          (0x0001)        /* Reset */
+#define DTIM_DTMR_CLK(x)       (((x)&0x0003)<<1)       /* Input clock source */
+#define DTIM_DTMR_FRR          (0x0008)        /* Free run/restart */
+#define DTIM_DTMR_ORRI         (0x0010)        /* Output reference request/interrupt enable */
+#define DTIM_DTMR_OM           (0x0020)        /* Output Mode */
+#define DTIM_DTMR_CE(x)                (((x)&0x0003)<<6)       /* Capture Edge */
+#define DTIM_DTMR_PS(x)                (((x)&0x00FF)<<8)       /* Prescaler value */
+#define DTIM_DTMR_RST_EN       (0x0001)
+#define DTIM_DTMR_RST_RST      (0x0000)
+#define DTIM_DTMR_CE_ANY       (0x00C0)
+#define DTIM_DTMR_CE_FALL      (0x0080)
+#define DTIM_DTMR_CE_RISE      (0x0040)
+#define DTIM_DTMR_CE_NONE      (0x0000)
+#define DTIM_DTMR_CLK_DTIN     (0x0006)
+#define DTIM_DTMR_CLK_DIV16    (0x0004)
+#define DTIM_DTMR_CLK_DIV1     (0x0002)
+#define DTIM_DTMR_CLK_STOP     (0x0000)
+
+/* Bit definitions and macros for DTXMR */
+#define DTIM_DTXMR_MODE16      (0x01)  /* Increment Mode */
+#define DTIM_DTXMR_DMAEN       (0x80)  /* DMA request */
+
+/* Bit definitions and macros for DTER */
+#define DTIM_DTER_CAP          (0x01)  /* Capture event */
+#define DTIM_DTER_REF          (0x02)  /* Output reference event */
+
+/*********************************************************************
+*
+* Programmable Interrupt Timer Modules (PIT)
+*
+*********************************************************************/
+
+/* Bit definitions and macros for PCSR */
+#define PIT_PCSR_EN            (0x0001)
+#define PIT_PCSR_RLD           (0x0002)
+#define PIT_PCSR_PIF           (0x0004)
+#define PIT_PCSR_PIE           (0x0008)
+#define PIT_PCSR_OVW           (0x0010)
+#define PIT_PCSR_HALTED                (0x0020)
+#define PIT_PCSR_DOZE          (0x0040)
+#define PIT_PCSR_PRE(x)                (((x)&0x000F)<<8)
+
+/* Bit definitions and macros for PMR */
+#define PIT_PMR_PM(x)          (x)
+
+/* Bit definitions and macros for PCNTR */
+#define PIT_PCNTR_PC(x)                (x)
+
+/****************************************************************************/
+#endif                         /* timer_h */