summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/powerpc/gen5200/slicetimer/slicetimer.c
diff options
context:
space:
mode:
Diffstat (limited to 'c/src/lib/libbsp/powerpc/gen5200/slicetimer/slicetimer.c')
-rw-r--r--c/src/lib/libbsp/powerpc/gen5200/slicetimer/slicetimer.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen5200/slicetimer/slicetimer.c b/c/src/lib/libbsp/powerpc/gen5200/slicetimer/slicetimer.c
deleted file mode 100644
index adbd70602b..0000000000
--- a/c/src/lib/libbsp/powerpc/gen5200/slicetimer/slicetimer.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*===============================================================*\
-| Project: RTEMS generic MPC5200 BSP |
-+-----------------------------------------------------------------+
-| Partially based on the code references which are named below. |
-| Adaptions, modifications, enhancements and any recent parts of |
-| the code are: |
-| Copyright (c) 2005 |
-| Embedded Brains GmbH |
-| Obere Lagerstr. 30 |
-| D-82178 Puchheim |
-| Germany |
-| rtems@embedded-brains.de |
-+-----------------------------------------------------------------+
-| The license and distribution terms for this file may be |
-| found in the file LICENSE in this distribution or at |
-| |
-| http://www.rtems.org/license/LICENSE. |
-| |
-+-----------------------------------------------------------------+
-| this file contains functions to implement a slice timer |
-\*===============================================================*/
-/***********************************************************************/
-/* */
-/* Module: slicetimer.c */
-/* Date: 07/17/2003 */
-/* Purpose: RTEMS MPC5x00 slicetimer driver */
-/* */
-/*---------------------------------------------------------------------*/
-/* */
-/* Description: MPC5x00 slice timer routines for cyclic short time */
-/* trigger */
-/* */
-/*---------------------------------------------------------------------*/
-/* */
-/* Code */
-/* References: Clock driver for PPC403 */
-/* Module: clock.c */
-/* Project: RTEMS 4.6.0pre1 / PPC403 BSP */
-/* Version 1.16 */
-/* Date: 2002/11/01 */
-/* Author(s) / Copyright(s): */
-/* */
-/* Author: Jay Monkman (jmonkman@frasca.com) */
-/* Copyright (C) 1998 by Frasca International, Inc. */
-/* */
-/* Derived from c/src/lib/libcpu/ppc/ppc403/clock/clock.c: */
-/* */
-/* Author: Andrew Bray <andy@i-cubed.co.uk> */
-/* */
-/* COPYRIGHT (c) 1995 by i-cubed ltd. */
-/* */
-/* To anyone who acknowledges that this file is provided "AS IS" */
-/* without any express or implied warranty: */
-/* permission to use, copy, modify, and distribute this file */
-/* for any purpose is hereby granted without fee, provided that */
-/* the above copyright notice and this notice appears in all */
-/* copies, and that the name of i-cubed limited not be used in */
-/* advertising or publicity pertaining to distribution of the */
-/* software without specific, written prior permission. */
-/* i-cubed limited makes no representations about the suitability */
-/* of this software for any purpose. */
-/* */
-/* Derived from c/src/lib/libcpu/hppa1.1/clock/clock.c: */
-/* */
-/* Modifications for deriving timer clock from cpu system clock by */
-/* Thomas Doerfler <td@imd.m.isar.de> */
-/* for these modifications: */
-/* COPYRIGHT (c) 1997 by IMD, Puchheim, Germany. */
-/* */
-/* COPYRIGHT (c) 1989-1999. */
-/* On-Line Applications Research Corporation (OAR). */
-/* */
-/* The license and distribution terms for this file may be */
-/* found in the file LICENSE in this distribution or at */
-/* http://www.rtems.org/license/LICENSE. */
-/* */
-/* Modifications for PPC405GP by Dennis Ehlin */
-/*---------------------------------------------------------------------*/
-/* */
-/* Partially based on the code references which are named above. */
-/* Adaptions, modifications, enhancements and any recent parts of */
-/* the code are under the right of */
-/* */
-/* IPR Engineering, Dachauer Straße 38, D-80335 München */
-/* Copyright(C) 2003 */
-/* */
-/*---------------------------------------------------------------------*/
-/* */
-/* IPR Engineering makes no representation or warranties with */
-/* respect to the performance of this computer program, and */
-/* specifically disclaims any responsibility for any damages, */
-/* special or consequential, connected with the use of this program. */
-/* */
-/*---------------------------------------------------------------------*/
-/* */
-/* Version history: 1.0 */
-/* */
-/***********************************************************************/
-
-#include <bsp.h>
-#include <rtems/bspIo.h>
-#include <bsp/fatal.h>
-#include <bsp/irq.h>
-
-#include <rtems.h>
-#include <rtems/clockdrv.h>
-#include <rtems/libio.h>
-
-#include <bsp/irq.h>
-#include <bsp/mpc5200.h>
-#include <bsp/slicetimer.h>
-#include <stdio.h>
-
-uint32_t value0 = 0;
-uint32_t value1 = 0;
-
-/*
- * ISR Handlers
- */
-void mpc5200_slt_isr(uint32_t slt_no)
- {
- uint32_t status;
- struct mpc5200_slt *slt = (struct mpc5200_slt *)(&mpc5200.slt[slt_no]);
-
- status = slt->tsr;
-
- if(status & SLT_TSR_ST)
- {
-
- slt->tsr |= SLT_TSR_ST;
-
- /*if(slt_no == SLT0)
- slt0_user_defined_handler */
-
- /*if(slt_no == SLT1)
- slt1_user_defined_handler */
-
- }
-
- }
-
-
-rtems_isr mpc5200_slt0_isr(rtems_irq_hdl_param unused)
- {
-
- mpc5200_slt_isr(SLT0);
-
- }
-
-
-rtems_isr mpc5200_slt1_isr(rtems_irq_hdl_param unused)
- {
-
- mpc5200_slt_isr(SLT1);
-
- }
-
-
-/*
- * Initialize MPC5x00 slt
- */
-void mpc5200_init_slt(uint32_t slt_no)
- {
- struct mpc5200_slt *slt = (struct mpc5200_slt *)(&mpc5200.slt[slt_no]);
-
- slt->tsr = SLT_TSR_ST;
- slt->cntrl = SLT_CNTRL_RW;
-
- }
-
-
-/*
- * Set MPC5x00 slt counter
- */
-void mpc5200_set_slt_count(uint32_t slt_no)
- {
- struct mpc5200_slt *slt = (struct mpc5200_slt *)(&mpc5200.slt[slt_no]);
-
- if(slt_no == SLT0)
- /* Calculate counter value 24 bit (must be greater than 255) => IPB_Clock=33MHz -> Int. every 7,75us - 508ms */
- if((SLT_TSR_COUNT(SLT0_INT_FREQUENCY) > 0xFF) && (SLT_TSR_COUNT(SLT0_INT_FREQUENCY) < 0x1000000))
- slt->tcr = SLT_TSR_COUNT(SLT0_INT_FREQUENCY);
-
- if(slt_no == SLT1)
- /* Calculate counter value 24 bit (must be greater than 255) => IPB_Clock=33MHz -> Int. every 7,75us - 508ms */
- if((SLT_TSR_COUNT(SLT1_INT_FREQUENCY) > 0xFF) && (SLT_TSR_COUNT(SLT1_INT_FREQUENCY) < 0x1000000))
- slt->tcr = SLT_TSR_COUNT(SLT1_INT_FREQUENCY);
-
- }
-
-
-/*
- * Enable MPC5x00 slt interrupt
- */
-void mpc5200_enable_slt_int(uint32_t slt_no)
- {
- struct mpc5200_slt *slt = (struct mpc5200_slt *)(&mpc5200.slt[slt_no]);
-
- slt->cntrl |= SLT_CNTRL_TIMEN | SLT_CNTRL_INTEN;
-
- }
-
-
-/*
- * Disable MPC5x00 slt interrupt
- */
-void mpc5200_disable_slt_int(uint32_t slt_no)
- {
- struct mpc5200_slt *slt = (struct mpc5200_slt *)(&mpc5200.slt[slt_no]);
-
- slt->cntrl &= ~(SLT_CNTRL_TIMEN | SLT_CNTRL_INTEN);
-
- }
-
-
-/*
- * Check MPC5x00 slt status
- */
-uint32_t mpc5200_check_slt_status(uint32_t slt_no)
- {
- struct mpc5200_slt *slt = (struct mpc5200_slt *)(&mpc5200.slt[slt_no]);
-
- if(((slt->cntrl) & (SLT_CNTRL_TIMEN | SLT_CNTRL_INTEN)) == (SLT_CNTRL_TIMEN | SLT_CNTRL_INTEN))
- return 1;
- else
- return 0;
-
- }
-
-/*
- * switch MPC5x00 slt on
- */
-static void sltOn(const rtems_irq_connect_data* irq)
- {
- uint32_t slt_no = 0;
-
- if((irq->name) == BSP_SIU_IRQ_SL_TIMER0)
- slt_no = 0;
-
- if((irq->name) == BSP_SIU_IRQ_SL_TIMER1)
- slt_no = 1;
-
- mpc5200_set_slt_count((uint32_t)slt_no);
- mpc5200_enable_slt_int((uint32_t)slt_no);
-
- }
-
-/*
- * switch MPC5x00 slt off
- */
-static void sltOff(const rtems_irq_connect_data* irq)
- {
- uint32_t slt_no = 0;
-
- if((irq->name) == BSP_SIU_IRQ_SL_TIMER0)
- slt_no = 0;
-
- if((irq->name) == BSP_SIU_IRQ_SL_TIMER1)
- slt_no = 1;
-
- mpc5200_disable_slt_int((uint32_t)slt_no);
-
- }
-
-/*
- * get status of MPC5x00 slt
- */
-static int sltIsOn(const rtems_irq_connect_data* irq)
- {
- uint32_t slt_no = 0;
-
- if((irq->name) == BSP_SIU_IRQ_SL_TIMER0)
- slt_no = 0;
-
- if((irq->name) == BSP_SIU_IRQ_SL_TIMER1)
- slt_no = 1;
-
- if(mpc5200_check_slt_status(slt_no))
- return 1;
- else
- return 0;
- }
-
-/*
- * MPC5x00 slt0 irq connect data
- */
-static rtems_irq_connect_data slt0_IrqData =
- {
- BSP_SIU_IRQ_SL_TIMER0,
- mpc5200_slt0_isr,
- (rtems_irq_hdl_param) NULL,
- (rtems_irq_enable)sltOn,
- (rtems_irq_disable)sltOff,
- (rtems_irq_is_enabled)sltIsOn
- };
-
-/*
- * MPC5x00 slt1 irq connect data
- */
-static rtems_irq_connect_data slt1_IrqData =
- {
- BSP_SIU_IRQ_SL_TIMER1,
- mpc5200_slt1_isr,
- (rtems_irq_hdl_param) NULL,
- (rtems_irq_enable)sltOn,
- (rtems_irq_disable)sltOff,
- (rtems_irq_is_enabled)sltIsOn
- };
-
-/*
- * call MPC5x00 slt install routines
- */
-void Install_slt(rtems_device_minor_number slt_no)
- {
-
- mpc5200_init_slt((uint32_t)slt_no);
- mpc5200_set_slt_count((uint32_t)slt_no);
-
- }
-
-/*
- * MPC5x00 slt device driver initialize
- */
-rtems_device_driver slt_initialize
- (
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
- )
- {
-
- /* force minor according to definitions in bsp.h */
- if(USE_SLICETIMER_0)
- {
-
- Install_slt(0);
-
- if(!BSP_install_rtems_irq_handler(&slt0_IrqData))
- {
-
- printk("Unable to connect PSC Irq handler\n");
- bsp_fatal(MPC5200_FATAL_SLICETIMER_0_IRQ_INSTALL);
-
- }
-
- }
-
- if(USE_SLICETIMER_1)
- {
-
- Install_slt(1);
-
- if(!BSP_install_rtems_irq_handler(&slt1_IrqData))
- {
-
- printk("Unable to connect PSC Irq handler\n");
- bsp_fatal(MPC5200_FATAL_SLICETIMER_1_IRQ_INSTALL);
-
- }
-
- }
-
- return RTEMS_SUCCESSFUL;
-
- }
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 07:39:09 +0000