mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-11-08 00:40:21 +08:00
2011-08-31 Sebastian Huber <sebastian.huber@embedded-brains.de>
* mpc55xx/include/fsl-mpc551x.h, mpc55xx/include/fsl-mpc555x.h, mpc55xx/include/fsl-mpc556x.h, mpc55xx/include/fsl-mpc567x.h, mpc55xx/include/regs-edma.h, mpc55xx/include/regs-mmu.h: New files. * Makefile.am, M preinstall.am: Reflect changes above. * mpc55xx/dspi/dspi.c: Update due to API changes. * mpc55xx/include/edma.h, mpc55xx/edma/edma.c: Rework to support multiple eDMA modules. Removed complex error interrupt handling. * mpc55xx/include/esci.h, mpc55xx/esci/esci.c: Support interrupt mode and printk(). Use configure options. * mpc55xx/include/irq.h: More defines. API changes. * mpc55xx/include/mpc55xx.h: API changes. * mpc55xx/include/reg-defs.h: Added register defines. * mpc55xx/include/regs.h: Use new register header files. * mpc55xx/include/siu.h: Fixed includes. * mpc55xx/misc/fmpll.S, mpc55xx/misc/copy.S, mpc55xx/misc/flash.S: Changed sections. API changes. Support MPC5674F.
This commit is contained in:
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@@ -1,3 +1,22 @@
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2011-08-31 Sebastian Huber <sebastian.huber@embedded-brains.de>
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* mpc55xx/include/fsl-mpc551x.h, mpc55xx/include/fsl-mpc555x.h,
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mpc55xx/include/fsl-mpc556x.h, mpc55xx/include/fsl-mpc567x.h,
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mpc55xx/include/regs-edma.h, mpc55xx/include/regs-mmu.h: New files.
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* Makefile.am, M preinstall.am: Reflect changes above.
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* mpc55xx/dspi/dspi.c: Update due to API changes.
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* mpc55xx/include/edma.h, mpc55xx/edma/edma.c: Rework to support
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multiple eDMA modules. Removed complex error interrupt handling.
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* mpc55xx/include/esci.h, mpc55xx/esci/esci.c: Support interrupt mode
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and printk(). Use configure options.
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* mpc55xx/include/irq.h: More defines. API changes.
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* mpc55xx/include/mpc55xx.h: API changes.
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* mpc55xx/include/reg-defs.h: Added register defines.
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* mpc55xx/include/regs.h: Use new register header files.
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* mpc55xx/include/siu.h: Fixed includes.
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* mpc55xx/misc/fmpll.S, mpc55xx/misc/copy.S, mpc55xx/misc/flash.S:
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Changed sections. API changes. Support MPC5674F.
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2011-08-31 Sebastian Huber <sebastian.huber@embedded-brains.de>
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* new-exceptions/bspsupport/ppc_exc_categories.c,
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@@ -411,15 +411,23 @@ if mpc55xx
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# Includes
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include_mpc55xxdir = $(includedir)/mpc55xx
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include_mpc55xx_HEADERS = mpc55xx/include/regs.h \
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mpc55xx/include/reg-defs.h \
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mpc55xx/include/dspi.h \
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mpc55xx/include/edma.h \
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mpc55xx/include/emios.h \
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mpc55xx/include/mpc55xx.h \
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mpc55xx/include/esci.h \
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mpc55xx/include/siu.h \
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mpc55xx/include/watchdog.h
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include_mpc55xx_HEADERS =
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include_mpc55xx_HEADERS += mpc55xx/include/regs.h
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include_mpc55xx_HEADERS += mpc55xx/include/reg-defs.h
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include_mpc55xx_HEADERS += mpc55xx/include/dspi.h
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include_mpc55xx_HEADERS += mpc55xx/include/edma.h
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include_mpc55xx_HEADERS += mpc55xx/include/emios.h
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include_mpc55xx_HEADERS += mpc55xx/include/mpc55xx.h
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include_mpc55xx_HEADERS += mpc55xx/include/esci.h
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include_mpc55xx_HEADERS += mpc55xx/include/siu.h
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include_mpc55xx_HEADERS += mpc55xx/include/irq.h
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include_mpc55xx_HEADERS += mpc55xx/include/watchdog.h
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include_mpc55xx_HEADERS += mpc55xx/include/fsl-mpc551x.h
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include_mpc55xx_HEADERS += mpc55xx/include/fsl-mpc555x.h
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include_mpc55xx_HEADERS += mpc55xx/include/fsl-mpc556x.h
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include_mpc55xx_HEADERS += mpc55xx/include/fsl-mpc567x.h
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include_mpc55xx_HEADERS += mpc55xx/include/regs-edma.h
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include_mpc55xx_HEADERS += mpc55xx/include/regs-mmu.h
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include_bsp_HEADERS += mpc55xx/include/irq.h
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@@ -22,6 +22,8 @@
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#include <mpc55xx/dspi.h>
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#include <mpc55xx/mpc55xx.h>
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#include <bsp/irq.h>
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#include <libcpu/powerpc-utility.h>
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#define RTEMS_STATUS_CHECKS_USE_PRINTK
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@@ -172,7 +174,7 @@ static rtems_status_code mpc55xx_dspi_init( rtems_libi2c_bus_t *bus)
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);
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RTEMS_CHECK_SC( sc, "create receive update semaphore");
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sc = mpc55xx_edma_obtain_channel( &e->edma_receive);
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sc = mpc55xx_edma_obtain_channel( &e->edma_receive, MPC55XX_INTC_DEFAULT_PRIORITY);
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RTEMS_CHECK_SC( sc, "obtain receive eDMA channel");
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/* eDMA transmit */
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@@ -185,10 +187,10 @@ static rtems_status_code mpc55xx_dspi_init( rtems_libi2c_bus_t *bus)
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);
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RTEMS_CHECK_SC( sc, "create transmit update semaphore");
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sc = mpc55xx_edma_obtain_channel( &e->edma_transmit);
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sc = mpc55xx_edma_obtain_channel( &e->edma_transmit, MPC55XX_INTC_DEFAULT_PRIORITY);
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RTEMS_CHECK_SC( sc, "obtain transmit eDMA channel");
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sc = mpc55xx_edma_obtain_channel( &e->edma_push);
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sc = mpc55xx_edma_obtain_channel( &e->edma_push, MPC55XX_INTC_DEFAULT_PRIORITY);
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RTEMS_CHECK_SC( sc, "obtain push eDMA channel");
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tcd_push.SADDR = mpc55xx_dspi_push_data_address( e);
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File diff suppressed because it is too large.
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@@ -32,17 +32,17 @@ extern "C" {
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#endif /* __cplusplus */
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typedef struct mpc55xx_edma_channel_entry {
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rtems_chain_node node;
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unsigned channel;
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void (*done)( struct mpc55xx_edma_channel_entry *, uint32_t);
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rtems_id id;
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rtems_chain_node node;
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unsigned channel;
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void (*done)( struct mpc55xx_edma_channel_entry *, uint32_t);
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rtems_id id;
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} mpc55xx_edma_channel_entry;
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rtems_status_code mpc55xx_edma_init();
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void mpc55xx_edma_init(void);
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rtems_status_code mpc55xx_edma_obtain_channel( mpc55xx_edma_channel_entry *e);
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rtems_status_code mpc55xx_edma_obtain_channel( mpc55xx_edma_channel_entry *e, unsigned irq_priority);
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rtems_status_code mpc55xx_edma_release_channel( mpc55xx_edma_channel_entry *e);
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void mpc55xx_edma_release_channel( mpc55xx_edma_channel_entry *e);
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void mpc55xx_edma_enable_hardware_requests( unsigned channel, bool enable);
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@@ -27,6 +27,7 @@
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#ifndef LIBCPU_POWERPC_MPC55XX_ESCI_H
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#define LIBCPU_POWERPC_MPC55XX_ESCI_H
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#include <rtems.h>
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#include <rtems/termiostypes.h>
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#ifdef __cplusplus
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@@ -35,16 +36,15 @@ extern "C" {
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#define MPC55XX_ESCI_NUMBER 2
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struct ESCI_tag;
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typedef struct {
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volatile struct ESCI_tag *regs;
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const char *device_name;
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int use_termios;
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int use_interrupts;
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int console;
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struct rtems_termios_tty *tty;
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unsigned irq_number;
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const char *device_name;
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rtems_vector_number irq_number;
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int transmit_nest_level;
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bool transmit_in_progress;
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bool use_termios;
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bool use_interrupts;
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} mpc55xx_esci_driver_entry;
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extern mpc55xx_esci_driver_entry mpc55xx_esci_driver_table [ /* MPC55XX_ESCI_NUMBER */ ];
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File diff suppressed because it is too large.
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Load diff
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@@ -7,15 +7,19 @@
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*/
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/*
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* Copyright (c) 2008
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* Embedded Brains GmbH
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* Obere Lagerstr. 30
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* D-82178 Puchheim
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* Germany
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* rtems@embedded-brains.de
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* Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved.
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*
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* The license and distribution terms for this file may be found in the file
|
||||
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
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||||
* embedded brains GmbH
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||||
* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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||||
* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.com/license/LICENSE.
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||||
*
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* $Id$
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*/
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/**
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@@ -43,23 +47,11 @@
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#include <stddef.h>
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#include <stdint.h>
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/* Defined in copy.S */
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int mpc55xx_copy_8( const void *src, void *dest, size_t n);
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/* Defined in fmpll.S */
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int mpc55xx_get_system_clock(void);
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/* Defined in fmpll.S */
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void mpc55xx_fmpll_reset_config();
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/* Defined in fmpll.S */
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void mpc55xx_fmpll_wait_for_lock();
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/* Defined in fmpll.S */
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int mpc55xx_get_system_clock();
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/* Defined in fmpll.S */
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void mpc55xx_system_reset();
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/* Defined in flash.S */
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void mpc55xx_flash_config();
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void mpc55xx_system_reset(void);
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int mpc55xx_flash_copy(void *dest, const void *src, size_t nbytes);
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int mpc55xx_flash_copy_op(void *rdest, const void *src, size_t nbytes,
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@@ -7,15 +7,19 @@
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*/
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/*
|
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* Copyright (c) 2008
|
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* Embedded Brains GmbH
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* Obere Lagerstr. 30
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* D-82178 Puchheim
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* Germany
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* rtems@embedded-brains.de
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* Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved.
|
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*
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* The license and distribution terms for this file may be found in the file
|
||||
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
|
||||
* embedded brains GmbH
|
||||
* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
|
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* <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.com/license/LICENSE.
|
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*
|
||||
* $Id$
|
||||
*/
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#ifndef LIBCPU_POWERPC_MPC55XX_REG_DEFS_H
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@@ -47,9 +51,12 @@
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#define FMPLL_SYNCR 0xC3F80000
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#define FMPLL_SYNSR 0xC3F80004
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#define FMPLL_ESYNCR1 0XC3F80008
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#define FMPLL_ESYNCR2 0XC3F8000C
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#define FLASH_BIUCR 0xC3F8801C
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#define SIU_ECCR 0xC3F90984
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#define SIU_SRCR 0xC3F90010
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#define SIU_SYSDIV 0xC3F909A0
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#endif /*((MPC55XX_CHIP_TYPE >= 5510) && (MPC55XX_CHIP_TYPE <= 5517))*/
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/*
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@@ -0,0 +1,172 @@
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/**
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* @file
|
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*
|
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* @ingroup mpc55xx
|
||||
*/
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|
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/*
|
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* Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved.
|
||||
*
|
||||
* embedded brains GmbH
|
||||
* Obere Lagerstr. 30
|
||||
* 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.com/license/LICENSE.
|
||||
*/
|
||||
|
||||
/*********************************************************************
|
||||
*
|
||||
* Copyright:
|
||||
* Freescale Semiconductor, INC. All Rights Reserved.
|
||||
* You are hereby granted a copyright license to use, modify, and
|
||||
* distribute the SOFTWARE so long as this entire notice is
|
||||
* retained without alteration in any modified and/or redistributed
|
||||
* versions, and that such modified versions are clearly identified
|
||||
* as such. No licenses are granted by implication, estoppel or
|
||||
* otherwise under any patents or trademarks of Freescale
|
||||
* Semiconductor, Inc. This software is provided on an "AS IS"
|
||||
* basis and without warranty.
|
||||
*
|
||||
* To the maximum extent permitted by applicable law, Freescale
|
||||
* Semiconductor DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
|
||||
* INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
|
||||
* PARTICULAR PURPOSE AND ANY WARRANTY AGAINST INFRINGEMENT WITH
|
||||
* REGARD TO THE SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF)
|
||||
* AND ANY ACCOMPANYING WRITTEN MATERIALS.
|
||||
*
|
||||
* To the maximum extent permitted by applicable law, IN NO EVENT
|
||||
* SHALL Freescale Semiconductor BE LIABLE FOR ANY DAMAGES WHATSOEVER
|
||||
* (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS,
|
||||
* BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER
|
||||
* PECUNIARY LOSS) ARISING OF THE USE OR INABILITY TO USE THE SOFTWARE.
|
||||
*
|
||||
* Freescale Semiconductor assumes no responsibility for the
|
||||
* maintenance and support of this software
|
||||
*
|
||||
********************************************************************/
|
||||
|
||||
#ifndef LIBCPU_POWERPC_MPC55XX_REGS_MMU_H
|
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#define LIBCPU_POWERPC_MPC55XX_REGS_MMU_H
|
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|
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#include <stdint.h>
|
||||
|
||||
#include <bspopts.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/****************************************************************************/
|
||||
/* MMU */
|
||||
/****************************************************************************/
|
||||
struct MMU_tag {
|
||||
union {
|
||||
uint32_t R;
|
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struct {
|
||||
uint32_t : 2;
|
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uint32_t TLBSEL : 2;
|
||||
uint32_t : 7;
|
||||
uint32_t ESEL : 5;
|
||||
uint32_t : 11;
|
||||
uint32_t NV : 5;
|
||||
} B;
|
||||
} MAS0;
|
||||
|
||||
union {
|
||||
uint32_t R;
|
||||
struct {
|
||||
uint32_t VALID : 1;
|
||||
uint32_t IPROT : 1;
|
||||
uint32_t : 6;
|
||||
uint32_t TID : 8;
|
||||
uint32_t : 3;
|
||||
uint32_t TS : 1;
|
||||
uint32_t TSIZE : 5;
|
||||
uint32_t : 7;
|
||||
} B;
|
||||
} MAS1;
|
||||
|
||||
union {
|
||||
uint32_t R;
|
||||
struct {
|
||||
uint32_t EPN : 22;
|
||||
uint32_t : 4;
|
||||
uint32_t VLE : 1;
|
||||
uint32_t W : 1;
|
||||
uint32_t I : 1;
|
||||
uint32_t M : 1;
|
||||
uint32_t G : 1;
|
||||
uint32_t E : 1;
|
||||
} B;
|
||||
} MAS2;
|
||||
|
||||
union {
|
||||
uint32_t R;
|
||||
struct {
|
||||
uint32_t RPN : 22;
|
||||
uint32_t U0 : 1;
|
||||
uint32_t U1 : 1;
|
||||
uint32_t U2 : 1;
|
||||
uint32_t U3 : 1;
|
||||
uint32_t UX : 1;
|
||||
uint32_t SX : 1;
|
||||
uint32_t UW : 1;
|
||||
uint32_t SW : 1;
|
||||
uint32_t UR : 1;
|
||||
uint32_t SR : 1;
|
||||
} B;
|
||||
} MAS3;
|
||||
};
|
||||
|
||||
union MMU_MAS4_tag {
|
||||
uint32_t R;
|
||||
struct {
|
||||
uint32_t : 2;
|
||||
uint32_t TLBSELD : 2;
|
||||
uint32_t : 10;
|
||||
uint32_t TIDSELD : 2;
|
||||
uint32_t : 4;
|
||||
uint32_t TSIZED : 4;
|
||||
uint32_t : 3;
|
||||
uint32_t WD : 1;
|
||||
uint32_t ID : 1;
|
||||
uint32_t MD : 1;
|
||||
uint32_t GD : 1;
|
||||
uint32_t ED : 1;
|
||||
} B;
|
||||
};
|
||||
|
||||
union MMU_MAS6_tag {
|
||||
uint32_t R;
|
||||
struct {
|
||||
uint32_t : 8;
|
||||
uint32_t SPID : 8;
|
||||
uint32_t : 15;
|
||||
uint32_t SAS : 1;
|
||||
} B;
|
||||
};
|
||||
|
||||
#define MPC55XX_MMU_TAG_INITIALIZER(idx, addr, size, x, w, r, io) \
|
||||
{ \
|
||||
.MAS0 = { .B = { .TLBSEL = 1, .ESEL = (idx) } }, \
|
||||
.MAS1 = { .B = { \
|
||||
.VALID = 1, .IPROT = 1, .TID = 0, .TS = 0, .TSIZE = (size) } \
|
||||
}, \
|
||||
.MAS2 = { .B = { \
|
||||
.EPN = (addr) >> 10, .VLE = 0, .W = 0, .I = (io), .M = 0, .G = (io), .E = 0 } \
|
||||
}, \
|
||||
.MAS3 = { .B = { \
|
||||
.RPN = (addr) >> 10, .U0 = 0, .U1 = 0, .U2 = 0, .U3 = 0, .UX = 0, \
|
||||
.SX = (x), .UW = 0, .SW = (w), .UR = 0, .SR = (r) } \
|
||||
} \
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#endif /* LIBCPU_POWERPC_MPC55XX_REGS_MMU_H */
|
||||
File diff suppressed because it is too large.
Load diff
@@ -7,25 +7,25 @@
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2010
|
||||
* Embedded Brains GmbH
|
||||
* Obere Lagerstr. 30
|
||||
* D-82178 Puchheim
|
||||
* Germany
|
||||
* rtems@embedded-brains.de
|
||||
* Copyright (c) 2010-2011 embedded brains GmbH. All rights reserved.
|
||||
*
|
||||
* The license and distribution terms for this file may be found in the file
|
||||
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
|
||||
* embedded brains GmbH
|
||||
* Obere Lagerstr. 30
|
||||
* 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.com/license/LICENSE.
|
||||
*/
|
||||
|
||||
#ifndef LIBCPU_POWERPC_MPC55XX_SIU_H
|
||||
#define LIBCPU_POWERPC_MPC55XX_SIU_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <rtems.h>
|
||||
#include <rtems/chain.h>
|
||||
|
||||
#include <mpc55xx/regs.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
|
||||
@@ -21,7 +21,7 @@
|
||||
#include <libcpu/powerpc-utility.h>
|
||||
#include <bspopts.h>
|
||||
|
||||
.section ".text"
|
||||
.section ".bsp_start_text", "ax"
|
||||
|
||||
/**
|
||||
* @fn int mpc55xx_copy_8( const void *src, void *dest, size_t n)
|
||||
|
||||
@@ -7,36 +7,41 @@
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2008
|
||||
* Embedded Brains GmbH
|
||||
* Obere Lagerstr. 30
|
||||
* D-82178 Puchheim
|
||||
* Germany
|
||||
* rtems@embedded-brains.de
|
||||
* Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved.
|
||||
*
|
||||
* The license and distribution terms for this file may be found in the file
|
||||
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
|
||||
* embedded brains GmbH
|
||||
* Obere Lagerstr. 30
|
||||
* 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.com/license/LICENSE.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <libcpu/powerpc-utility.h>
|
||||
#include <mpc55xx/reg-defs.h>
|
||||
|
||||
.section ".text"
|
||||
.section ".bsp_start_text", "ax"
|
||||
|
||||
/* Optimized flash configurations (Table 13-15 [MPC5567 Microcontroller Reference Manual]) */
|
||||
.equ FLASH_SETTINGS_RESET, 0xff00
|
||||
.equ FLASH_SETTINGS_82, FLASH_BUICR_CPU_PREFTCH | FLASH_BUICR_APC_1 | FLASH_BUICR_RWSC_1 | FLASH_BUICR_WWSC_1 | FLASH_BUICR_DPFEN_3 | FLASH_BUICR_IPFEN_3 | FLASH_BUICR_PFLIM_6 | FLASH_BUICR_BFEN
|
||||
.equ FLASH_SETTINGS_102, FLASH_BUICR_CPU_PREFTCH | FLASH_BUICR_APC_1 | FLASH_BUICR_RWSC_2 | FLASH_BUICR_WWSC_1 | FLASH_BUICR_DPFEN_3 | FLASH_BUICR_IPFEN_3 | FLASH_BUICR_PFLIM_6 | FLASH_BUICR_BFEN
|
||||
.equ FLASH_SETTINGS_132, FLASH_BUICR_CPU_PREFTCH | FLASH_BUICR_APC_2 | FLASH_BUICR_RWSC_3 | FLASH_BUICR_WWSC_1 | FLASH_BUICR_DPFEN_3 | FLASH_BUICR_IPFEN_3 | FLASH_BUICR_PFLIM_6 | FLASH_BUICR_BFEN
|
||||
.equ FLASH_SETTINGS_264, 0x01716B15
|
||||
|
||||
/**
|
||||
* @fn void mpc55xx_flash_config()
|
||||
* @fn void mpc55xx_flash_init()
|
||||
* @brief Optimized flash configuration.
|
||||
* @warning Code will be copied and executed on the stack. The stack pointer
|
||||
* will not be updated, since this function has to work before memory
|
||||
* initialization.
|
||||
*/
|
||||
GLOBAL_FUNCTION mpc55xx_flash_config
|
||||
GLOBAL_FUNCTION mpc55xx_flash_init
|
||||
mflr r31
|
||||
|
||||
/* Flash settings dependent on system clock */
|
||||
@@ -50,6 +55,9 @@ GLOBAL_FUNCTION mpc55xx_flash_config
|
||||
LWI r4, 132000000
|
||||
cmpw r3, r4
|
||||
ble clock_132
|
||||
LWI r4, 264000000
|
||||
cmpw r3, r4
|
||||
ble clock_264
|
||||
LWI r30, FLASH_SETTINGS_RESET
|
||||
b settings_done
|
||||
clock_82:
|
||||
@@ -61,6 +69,9 @@ clock_102:
|
||||
clock_132:
|
||||
LWI r30, FLASH_SETTINGS_132
|
||||
b settings_done
|
||||
clock_264:
|
||||
LWI r30, FLASH_SETTINGS_264
|
||||
b settings_done
|
||||
settings_done:
|
||||
|
||||
/* Copy store code on the stack */
|
||||
|
||||
@@ -7,22 +7,32 @@
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2008
|
||||
* Embedded Brains GmbH
|
||||
* Obere Lagerstr. 30
|
||||
* D-82178 Puchheim
|
||||
* Germany
|
||||
* rtems@embedded-brains.de
|
||||
* Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved.
|
||||
*
|
||||
* The license and distribution terms for this file may be found in the file
|
||||
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
|
||||
* embedded brains GmbH
|
||||
* Obere Lagerstr. 30
|
||||
* 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.com/license/LICENSE.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <libcpu/powerpc-utility.h>
|
||||
#include <mpc55xx/reg-defs.h>
|
||||
#include <bspopts.h>
|
||||
|
||||
#define FMPLL_IS_MPC551X (5510 <= MPC55XX_CHIP_TYPE && MPC55XX_CHIP_TYPE <= 5517)
|
||||
|
||||
#define FMPLL_IS_MPC5674 (MPC55XX_CHIP_TYPE == 5674)
|
||||
|
||||
#define FMPLL_HAS_ENHANCED_FMPLL (FMPLL_IS_MPC551X || FMPLL_IS_MPC5674)
|
||||
|
||||
.section ".text"
|
||||
.section ".bsp_start_text", "ax"
|
||||
|
||||
/* Timeout for delay in clocks */
|
||||
.equ FMPLL_TIMEOUT, 6000
|
||||
@@ -31,20 +41,18 @@
|
||||
lwz r5, \setting
|
||||
stw r5, 0(r4)
|
||||
msync
|
||||
bl mpc55xx_fmpll_wait_for_lock
|
||||
bl fmpll_wait_for_lock
|
||||
.endm
|
||||
|
||||
/**
|
||||
* @fn void mpc55xx_fmpll_reset_config()
|
||||
* @fn void mpc55xx_fmpll_init()
|
||||
* @brief Configure FMPLL after reset.
|
||||
*
|
||||
* Sets the system clock from 12 MHz in two steps up to 128 MHz.
|
||||
*/
|
||||
GLOBAL_FUNCTION mpc55xx_fmpll_reset_config
|
||||
GLOBAL_FUNCTION mpc55xx_fmpll_init
|
||||
/* Save link register */
|
||||
mflr r9
|
||||
|
||||
#if ((MPC55XX_CHIP_TYPE >= 5510) && (MPC55XX_CHIP_TYPE <= 5517))
|
||||
#if FMPLL_HAS_ENHANCED_FMPLL
|
||||
/*
|
||||
* for MPC5510: pass in ptr to array with:
|
||||
* off 0: temp setting for ESYNCR2
|
||||
@@ -60,10 +68,11 @@ GLOBAL_FUNCTION mpc55xx_fmpll_reset_config
|
||||
lwz r5, 8(r3)
|
||||
stw r5, (FMPLL_ESYNCR1-FMPLL_ESYNCR2)(r4)
|
||||
msync
|
||||
bl mpc55xx_fmpll_wait_for_lock
|
||||
bl fmpll_wait_for_lock
|
||||
|
||||
DO_SETTING 4(r3)
|
||||
|
||||
#if FMPLL_IS_MPC551X
|
||||
/*
|
||||
* switch to PLL clock in SIU
|
||||
*/
|
||||
@@ -74,7 +83,8 @@ GLOBAL_FUNCTION mpc55xx_fmpll_reset_config
|
||||
LWI r6, SIU_SYSCLK_SYSCLKSEL_PLL
|
||||
or r5, r5, r6
|
||||
stw r5, 0(r4)
|
||||
#else
|
||||
#endif /* FMPLL_IS_MPC551X */
|
||||
#else /* !FMPLL_HAS_ENHANCED_FMPLL */
|
||||
/*
|
||||
* for MPC5566: pass in ptr to array with:
|
||||
* off 0: temp setting for SYNCR
|
||||
@@ -95,19 +105,13 @@ GLOBAL_FUNCTION mpc55xx_fmpll_reset_config
|
||||
LWI r6, ~FMPLL_SYNCR_LOCRE & ~FMPLL_SYNCR_LOLRE
|
||||
and r5, r5, r6
|
||||
stw r5, 0(r4)
|
||||
#endif
|
||||
#endif /* !FMPLL_HAS_ENHANCED_FMPLL */
|
||||
|
||||
/* Restore link register and return */
|
||||
mtlr r9
|
||||
blr
|
||||
|
||||
/**
|
||||
* @fn void mpc55xx_fmpll_wait_for_lock()
|
||||
* @brief Wait for FMPLL lock.
|
||||
* @warning If the lock cannot be obtained within some clock cycles a software
|
||||
* system reset will be initiated.
|
||||
*/
|
||||
GLOBAL_FUNCTION mpc55xx_fmpll_wait_for_lock
|
||||
fmpll_wait_for_lock:
|
||||
LWI r6, FMPLL_TIMEOUT
|
||||
mtctr r6
|
||||
|
||||
@@ -126,12 +130,14 @@ fmpll_continue:
|
||||
|
||||
blr
|
||||
|
||||
.section ".text", "aw"
|
||||
|
||||
/**
|
||||
* @fn int mpc55xx_get_system_clock()
|
||||
* @brief Returns the system clock.
|
||||
*/
|
||||
GLOBAL_FUNCTION mpc55xx_get_system_clock
|
||||
#if ((MPC55XX_CHIP_TYPE >= 5510) && (MPC55XX_CHIP_TYPE <= 5517))
|
||||
#if FMPLL_HAS_ENHANCED_FMPLL
|
||||
LA r4, FMPLL_ESYNCR1
|
||||
lwz r3, 0(r4)
|
||||
/* EPREDIV */
|
||||
@@ -152,8 +158,7 @@ GLOBAL_FUNCTION mpc55xx_get_system_clock
|
||||
divw r3, r8, r5 /* REF_CLOCK/PREDIV */
|
||||
mullw r3, r6, r3 /* REF_CLOCK/PREDIV*MFD */
|
||||
divw r3, r3, r7 /* REF_CLOCK/PREDIV*MFD/RFD */
|
||||
|
||||
#else
|
||||
#else /* !FMPLL_HAS_ENHANCED_FMPLL */
|
||||
LA r4, FMPLL_SYNCR
|
||||
lwz r3, 0(r4)
|
||||
|
||||
@@ -172,7 +177,7 @@ GLOBAL_FUNCTION mpc55xx_get_system_clock
|
||||
mullw r6, r6, r8
|
||||
sraw r6, r6, r7
|
||||
divw r3, r6, r5
|
||||
#endif
|
||||
#endif /* !FMPLL_HAS_ENHANCED_FMPLL */
|
||||
|
||||
blr
|
||||
|
||||
|
||||
@@ -278,10 +278,38 @@ $(PROJECT_INCLUDE)/mpc55xx/siu.h: mpc55xx/include/siu.h $(PROJECT_INCLUDE)/mpc55
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/siu.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/siu.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/irq.h: mpc55xx/include/irq.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/irq.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/irq.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/watchdog.h: mpc55xx/include/watchdog.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/watchdog.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/watchdog.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/fsl-mpc551x.h: mpc55xx/include/fsl-mpc551x.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc551x.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc551x.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/fsl-mpc555x.h: mpc55xx/include/fsl-mpc555x.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc555x.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc555x.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/fsl-mpc556x.h: mpc55xx/include/fsl-mpc556x.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc556x.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc556x.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/fsl-mpc567x.h: mpc55xx/include/fsl-mpc567x.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc567x.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/fsl-mpc567x.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/regs-edma.h: mpc55xx/include/regs-edma.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/regs-edma.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/regs-edma.h
|
||||
|
||||
$(PROJECT_INCLUDE)/mpc55xx/regs-mmu.h: mpc55xx/include/regs-mmu.h $(PROJECT_INCLUDE)/mpc55xx/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/mpc55xx/regs-mmu.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/mpc55xx/regs-mmu.h
|
||||
|
||||
$(PROJECT_INCLUDE)/bsp/irq.h: mpc55xx/include/irq.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
|
||||
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq.h
|
||||
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq.h
|
||||
|
||||
Reference in new issue
Block a user