diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/irq/irq_init.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/irq/irq_init.c | 71 |
1 files changed, 60 insertions, 11 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/irq/irq_init.c b/c/src/lib/libbsp/powerpc/shared/irq/irq_init.c index c8de84c5e9..e07fe754dd 100644 --- a/c/src/lib/libbsp/powerpc/shared/irq/irq_init.c +++ b/c/src/lib/libbsp/powerpc/shared/irq/irq_init.c @@ -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 } |