From: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Date: Fri, 6 Jul 2007 04:22:31 +0000 (-0500)
Subject: New timer structure and defines
X-Git-Tag: v1.3.0-rc1~19^2~2^2~17^2~12^2~7
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=a90e79de8d99e9c9d69d60bfff9f24c337165900;p=oweals%2Fu-boot.git

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
index 0000000000..d8f4e2a6ac
--- /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 */