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2005-04-28 Jennifer Averett <jennifer.averett@oarcorp.com>

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* Add/remove files for the Update to new exception model.
	* pci/no_host_bridge.c, vme/vmeconfig.c: New files.
	* clock/clock.c: Removed.
This commit is contained in:
Jennifer Averett
2005-04-28 19:27:05 +00:00
parent f6e1d93680
commit f48f64ab8a
4 changed files with 162 additions and 224 deletions
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6
c/src/lib/libbsp/powerpc/score603e/ChangeLog
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@@ -1,3 +1,9 @@
2005-04-28 Jennifer Averett <jennifer.averett@oarcorp.com>
* Add/remove files for the Update to new exception model.
* pci/no_host_bridge.c, vme/vmeconfig.c: New files.
* clock/clock.c: Removed.
2005-04-28 Jennifer Averett <jennifer.averett@oarcorp.com> 2005-04-28 Jennifer Averett <jennifer.averett@oarcorp.com>
* Add/move files for the Update to new exception model. * Add/move files for the Update to new exception model.

224
c/src/lib/libbsp/powerpc/score603e/clock/clock.c
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@@ -1,224 +0,0 @@
/*
* Clock Tick Device Driver
*
* This routine utilizes the Decrementer Register common to the PPC family.
*
* The tick frequency is directly programmed to the configured number of
* microseconds per tick.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may in
* the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#include <stdlib.h>
#include <bsp.h>
#include <rtems/libio.h>
#include <assert.h>
/*
* The Real Time Clock Counter Timer uses this trap type.
*/
#define CLOCK_VECTOR PPC_IRQ_DECREMENTER
/*
* Clock ticks since initialization
*/
volatile uint32_t Clock_driver_ticks;
/*
* This is the value programmed into the count down timer.
*/
uint32_t Clock_Decrementer_value;
rtems_isr_entry Old_ticker;
void Clock_exit( void );
/*
* These are set by clock driver during its init
*/
rtems_device_major_number rtems_clock_major = ~0;
rtems_device_minor_number rtems_clock_minor;
/*
* Clock_isr
*
* This is the clock tick interrupt handler.
*
* Input parameters:
* vector - vector number
*
* Output parameters: NONE
*
* Return values: NONE
*
*/
rtems_isr Clock_isr(
rtems_vector_number vector,
CPU_Interrupt_frame *frame
)
{
/*
* Set the decrementer.
*/
PPC_Set_decrementer( Clock_Decrementer_value );
/*
* The driver has seen another tick.
*/
Clock_driver_ticks += 1;
/*
* Real Time Clock counter/timer is set to automatically reload.
*/
rtems_clock_tick();
}
/*
* Install_clock
*
* This routine actually performs the hardware initialization for the clock.
*
* Input parameters:
* clock_isr - clock interrupt service routine entry point
*
* Output parameters: NONE
*
* Return values: NONE
*
*/
extern int CLOCK_SPEED;
void Install_clock(
rtems_isr_entry clock_isr
)
{
Clock_driver_ticks = 0;
Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 );
PPC_Set_decrementer( Clock_Decrementer_value );
atexit( Clock_exit );
}
/*
* Clock_exit
*
* This routine allows the clock driver to exit by masking the interrupt and
* disabling the clock's counter.
*
* Input parameters: NONE
*
* Output parameters: NONE
*
* Return values: NONE
*
*/
void Clock_exit( void )
{
/* nothing to do */;
/* do not restore old vector */
}
/*
* Clock_initialize
*
* This routine initializes the clock driver.
*
* Input parameters:
* major - clock device major number
* minor - clock device minor number
* parg - pointer to optional device driver arguments
*
* Output parameters: NONE
*
* Return values:
* rtems_device_driver status code
*/
rtems_device_driver Clock_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
Clock_Decrementer_value = (int) &CPU_PPC_CLICKS_PER_MS *
(BSP_Configuration.microseconds_per_tick / 1000);
Install_clock( (rtems_isr_entry) Clock_isr );
/*
* make major/minor avail to others such as shared memory driver
*/
rtems_clock_major = major;
rtems_clock_minor = minor;
return RTEMS_SUCCESSFUL;
}
/*
* Clock_control
*
* This routine is the clock device driver control entry point.
*
* Input parameters:
* major - clock device major number
* minor - clock device minor number
* parg - pointer to optional device driver arguments
*
* Output parameters: NONE
*
* Return values:
* rtems_device_driver status code
*/
rtems_device_driver Clock_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
uint32_t isrlevel;
rtems_libio_ioctl_args_t *args = pargp;
if (args == 0)
goto done;
/*
* This is hokey, but until we get a defined interface
* to do this, it will just be this simple...
*/
if (args->command == rtems_build_name('I', 'S', 'R', ' '))
{
Clock_isr( CLOCK_VECTOR, pargp );
}
else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
{
rtems_interrupt_disable( isrlevel );
(void) set_vector( args->buffer, CLOCK_VECTOR, 1 );
rtems_interrupt_enable( isrlevel );
}
done:
return RTEMS_SUCCESSFUL;
}

23
c/src/lib/libbsp/powerpc/score603e/pci/no_host_bridge.c Normal file
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@@ -0,0 +1,23 @@
/*
* detect_host_bridge.c
*/
#include <libcpu/io.h>
#include <libcpu/spr.h>
#include <bsp.h>
#include <bsp/pci.h>
#include <bsp/consoleIo.h>
#include <bsp/residual.h>
#include <bsp/openpic.h>
#include <rtems/bspIo.h>
/*
* For the 8240 and the 8245 there is no host bridge the
* Open PIC device is built into the processor chip.
*/
void detect_host_bridge()
{
}

133
c/src/lib/libbsp/powerpc/score603e/vme/vmeconfig.c Normal file
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@@ -0,0 +1,133 @@
/* vmeconfig.c,v 1.1.2.2 2003/03/25 16:46:01 joel Exp */
/* Standard VME bridge configuration for VGM type boards */
/* Author: Till Straumann <strauman@slac.stanford.edu>, 3/2002 */
#include <bsp.h>
#include <bsp/VME.h>
#include <bsp/irq.h>
#include <libcpu/bat.h>
#include <libcpu/spr.h>
#include <bsp/motorola.h>
/* Use a weak alias for the VME configuration.
* This permits individual applications to override
* this routine.
* They may even create an 'empty'
*
* void BSP_vme_config(void) {}
*
* which will avoid linking in the Universe driver
* at all :-).
*/
void BSP_vme_config(void) __attribute__ (( weak, alias("__BSP_default_vme_config") ));
SPR_RO(DBAT0U)
extern unsigned32 VME_Slot1;
void
__BSP_default_vme_config(void)
{
union {
struct _BATU bat;
unsigned long batbits;
} dbat0u;
vmeUniverseInit();
vmeUniverseReset();
/* setup a PCI area to map the VME bus */
dbat0u.batbits = _read_DBAT0U();
/* map VME address ranges */
vmeUniverseMasterPortCfg(
0,
VME_AM_EXT_SUP_DATA,
_VME_A32_WIN0_ON_VME,
_VME_A32_WIN0_ON_PCI,
0x0F000000);
vmeUniverseMasterPortCfg(
1,
VME_AM_STD_SUP_DATA,
0x00000000,
_VME_A24_ON_PCI,
0x00ff0000);
vmeUniverseMasterPortCfg(
2,
VME_AM_SUP_SHORT_IO,
0x00000000,
_VME_A16_ON_PCI,
0x00010000);
#ifdef _VME_DRAM_OFFSET
#if 0
if (VME_Slot1){
/* map our memory to VME */
printk("vmeUniverseSlavePortCfg length of 0x%x\n", BSP_mem_size);
vmeUniverseSlavePortCfg(
0,
VME_AM_EXT_SUP_DATA,
_VME_DRAM_32_OFFSET1,
PCI_DRAM_OFFSET,
BSP_mem_size);
printk("vmeUniverseSlavePortCfg length of 0x%x\n", _VME_A24_SIZE);
vmeUniverseSlavePortCfg(
1,
VME_AM_STD_SUP_DATA,
_VME_DRAM_24_OFFSET1,
PCI_DRAM_OFFSET,
_VME_A24_SIZE);
printk("vmeUniverseSlavePortCfg length of 0x%x\n", _VME_A16_SIZE);
vmeUniverseSlavePortCfg(
2,
VME_AM_SUP_SHORT_IO,
_VME_DRAM_16_OFFSET1,
PCI_DRAM_OFFSET,
_VME_A16_SIZE);
}
else {
printk("vmeUniverseSlavePortCfg length of 0x%x\n", BSP_mem_size);
vmeUniverseSlavePortCfg(
0,
VME_AM_EXT_SUP_DATA,
_VME_DRAM_32_OFFSET2,
PCI_DRAM_OFFSET,
BSP_mem_size);
printk("vmeUniverseSlavePortCfg length of 0x%x\n", _VME_A24_SIZE);
vmeUniverseSlavePortCfg(
1,
VME_AM_STD_SUP_DATA,
_VME_DRAM_24_OFFSET2,
PCI_DRAM_OFFSET,
_VME_A24_SIZE);
printk("vmeUniverseSlavePortCfg length of 0x%x\n", _VME_A16_SIZE);
vmeUniverseSlavePortCfg(
2,
VME_AM_SUP_SHORT_IO,
_VME_DRAM_16_OFFSET2,
PCI_DRAM_OFFSET,
_VME_A16_SIZE);
}
#endif
/* make sure the host bridge PCI master is enabled */
vmeUniverseWriteReg(
vmeUniverseReadReg(UNIV_REGOFF_PCI_CSR) | UNIV_PCI_CSR_BM,
UNIV_REGOFF_PCI_CSR);
#endif
/* stdio is not yet initialized; the driver will revert to printk */
vmeUniverseMasterPortsShow(0);
vmeUniverseSlavePortsShow(0);
/* install the VME insterrupt manager */
vmeUniverseInstallIrqMgr(0,5,1,6);
if (vmeUniverse0PciIrqLine<0)
BSP_panic("Unable to get interrupt line info from PCI config");
_BSP_vme_bridge_irq=BSP_PCI_IRQ_LOWEST_OFFSET+vmeUniverse0PciIrqLine;
}