RTOS/rtems
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2004-11-10 Richard Campbell <richard.campbell@oarcorp.com>

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* Makefile.am, bootloader/misc.c, bootloader/pci.c, bootloader/pci.h,
	console/console.c, console/inch.c, console/reboot.c, console/uart.c,
	console/uart.h, irq/irq.c, irq/irq.h, irq/irq_init.c,
	motorola/motorola.c, motorola/motorola.h, openpic/openpic.c,
	openpic/openpic.h, pci/detect_raven_bridge.c, pci/pci.c,
	start/start.S, startup/bspstart.c, vectors/vectors_init.c,
	vme/vmeconfig.c: Add MVME2100 BSP and MPC8240 support. There was also
	a significant amount of spelling and whitespace cleanup.
	* tod/todcfg.c: New file.
This commit is contained in:
Joel Sherrill
2004-11-10 23:51:17 +00:00
parent f9877d2577
commit e79a194755
24 changed files with 578 additions and 207 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
c/src/lib/libbsp/powerpc/shared/irq/irq_init.c
View File

@@ -29,10 +29,6 @@
#include <bsp/motorola.h>
#include <rtems/bspIo.h>
/*
#define SHOW_ISA_PCI_BRIDGE_SETTINGS
*/
typedef struct {
unsigned char bus; /* few chance the PCI/ISA bridge is not on first bus but ... */
unsigned char device;
@@ -68,14 +64,14 @@ static rtems_irq_connect_data defaultIrq = {
};
static rtems_irq_prio irqPrioTable[BSP_IRQ_NUMBER]={
/*
* actual rpiorities for interrupt :
* actual priorities for interrupt :
* 0 means that only current interrupt is masked
* 255 means all other interrupts are masked
*/
/*
* ISA interrupts.
* The second entry has a priority of 255 because
* it is the slave pic entry and is should always remain
* it is the slave pic entry and should always remain
* unmasked.
*/
0,0,
@@ -91,6 +87,45 @@ static rtems_irq_prio irqPrioTable[BSP_IRQ_NUMBER]={
0
};
#if defined(mvme2100)
static unsigned char mvme2100_openpic_initpolarities[16] = {
0, /* Not used - should be disabled */
0, /* DEC21143 Controller */
0, /* PMC/PC-MIP Type I Slot 0 */
0, /* PC-MIP Type I Slot 1 */
0, /* PC-MIP Type II Slot 0 */
0, /* PC-MIP Type II Slot 1 */
0, /* Not used - should be disabled */
0, /* PCI Expansion Interrupt A/Universe II (LINT0) */
0, /* PCI Expansion Interrupt B/Universe II (LINT1) */
0, /* PCI Expansion Interrupt C/Universe II (LINT2) */
0, /* PCI Expansion Interrupt D/Universe II (LINT3) */
0, /* Not used - should be disabled */
0, /* Not used - should be disabled */
1, /* 16550 UART */
0, /* Front panel Abort Switch */
0, /* RTC IRQ */
};
static unsigned char mvme2100_openpic_initsenses[] = {
0, /* Not used - should be disabled */
1, /* DEC21143 Controller */
1, /* PMC/PC-MIP Type I Slot 0 */
1, /* PC-MIP Type I Slot 1 */
1, /* PC-MIP Type II Slot 0 */
1, /* PC-MIP Type II Slot 1 */
0, /* Not used - should be disabled */
1, /* PCI Expansion Interrupt A/Universe II (LINT0) */
1, /* PCI Expansion Interrupt B/Universe II (LINT1) */
1, /* PCI Expansion Interrupt C/Universe II (LINT2) */
1, /* PCI Expansion Interrupt D/Universe II (LINT3) */
0, /* Not used - should be disabled */
0, /* Not used - should be disabled */
1, /* 16550 UART */
0, /* Front panel Abort Switch */
1, /* RTC IRQ */
};
#else
static unsigned char mcp750_openpic_initpolarities[16] = {
1, /* 8259 cascade */
0, /* all the rest of them */
@@ -114,6 +149,7 @@ static unsigned char mcp750_openpic_initsenses[] = {
1, /* MCP750_INT_PCI_BUS2_INTC */
1, /* MCP750_INT_PCI_BUS2_INTD */
};
#endif
void VIA_isa_bridge_interrupts_setup(void)
{
@@ -226,18 +262,29 @@ loop_exit:
*/
void BSP_rtems_irq_mng_init(unsigned cpuId)
{
rtems_raw_except_connect_data vectorDesc;
#if !defined(mvme2100)
int known_cpi_isa_bridge = 0;
#endif
rtems_raw_except_connect_data vectorDesc;
int i;
/*
* First initialize the Interrupt management hardware
*/
#ifdef TRACE_IRQ_INIT
#if defined(mvme2100)
#ifdef TRACE_IRQ_INIT
printk("Going to initialize EPIC interrupt controller (openpic compliant)\n");
#endif
openpic_init(1, mvme2100_openpic_initpolarities, mvme2100_openpic_initsenses);
#else
#ifdef TRACE_IRQ_INIT
printk("Going to initialize raven interrupt controller (openpic compliant)\n");
#endif
openpic_init(1, mcp750_openpic_initpolarities, mcp750_openpic_initsenses);
#ifdef TRACE_IRQ_INIT
#endif
#if !defined(mvme2100)
#ifdef TRACE_IRQ_INIT
printk("Going to initialize the PCI/ISA bridge IRQ related setting (VIA 82C586)\n");
#endif
if ( currentBoard == MESQUITE ) {
@@ -262,8 +309,10 @@ void BSP_rtems_irq_mng_init(unsigned cpuId)
printk("Going to initialize the ISA PC legacy IRQ management hardware\n");
#endif
BSP_i8259s_init();
#endif
/*
* Initialize Rtems management interrupt table
* Initialize RTEMS management interrupt table
*/
/*
* re-init the rtemsIrq table
@@ -310,6 +359,6 @@ void BSP_rtems_irq_mng_init(unsigned cpuId)
BSP_panic("Unable to initialize RTEMS external raw exception\n");
}
#ifdef TRACE_IRQ_INIT
printk("RTEMS IRQ management is now operationnal\n");
printk("RTEMS IRQ management is now operational\n");
#endif
}