/* irq.h * * This include file describe the data structure and the functions implemented * by rtems to write interrupt handlers. * * CopyRight (C) 1999 valette@crf.canon.fr * * This code is heavilly inspired by the public specification of STREAM V2 * that can be found at : * * by following * the STREAM API Specification Document link. * * 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. * * Modified by T. Straumann for the beatnik BSP, 2005-2007 * Some information may be based on mvme5500/irq/irq.h by K. Feng. */ #ifndef LIBBSP_POWERPC_MOT_PPC_NEW_IRQ_IRQ_H #define LIBBSP_POWERPC_MOT_PPC_NEW_IRQ_IRQ_H #define BSP_SHARED_HANDLER_SUPPORT 1 #include #include /* This BSP also passes a pointer to the interrupt frame to the handler. * The PPC ABI guarantees that this will not mess up handlers written * without knowledge of this feature. */ typedef void (*BSP_rtems_irq_hdl)(rtems_irq_hdl_param,BSP_Exception_frame*); /* legal priorities are 0 <= priority <= MAX_PRIO; 0 effectively disables the interrupt */ #define BSP_IRQ_MAX_PRIO 4 #define BSP_IRQ_MIN_PRIO 1 /* Note that priorites are only honoured for 'PCI' interrupt numbers. * The discovery pic has no support for hardware priorites; hence they * are handled in software */ #define BSP_IRQ_DEFAULT_PRIORITY 2 #define BSP_PCI_IRQ_LOWEST_OFFSET 0 /* IMPLEMENTATION RELIES ON discovery pic INTERRUPTS HAVING NUMBERS 0..95 */ #define BSP_IRQ_DEV 1 /* device interface interrupt */ #define BSP_IRQ_DMA 2 /* DMA addres error interrupt (260) */ #define BSP_IRQ_CPU 3 /* CPU interface interrupt */ #define BSP_IRQ_IDMA0_1 4 /* IDMA ch. 0..1 complete interrupt (260) */ #define BSP_IRQ_IDMA2_3 5 /* IDMA ch. 2..3 complete interrupt (260) */ #define BSP_IRQ_IDMA4_5 6 /* IDMA ch. 4..5 complete interrupt (260) */ #define BSP_IRQ_IDMA6_7 7 /* IDMA ch. 6..7 complete interrupt (260) */ #define BSP_IRQ_TIME0_1 8 /* Timer 0..1 interrupt; Timer 0 on 64360 */ #define BSP_IRQ_TIME2_3 9 /* Timer 2..3 interrupt; Timer 1 on 64360 */ #define BSP_IRQ_TIME4_5 10 /* Timer 4..5 interrupt; Timer 2 on 64360 */ #define BSP_IRQ_TIME6_7 11 /* Timer 6..7 interrupt; Timer 3 on 64360 */ #define BSP_IRQ_PCI0_0 12 /* PCI 0 interrupt 0 summary (PCI 0 interrupt summary on 64360) */ #define BSP_IRQ_PCI0_1 13 /* PCI 0 interrupt 1 summary (SRAM PAR ERROR on 64360) */ #define BSP_IRQ_PCI0_2 14 /* PCI 0 interrupt 2 summary */ #define BSP_IRQ_PCI0_3 15 /* PCI 0 interrupt 3 summary */ #define BSP_IRQ_PCI1_0 16 /* PCI 1 interrupt 0 summary (PCI 1 interrupt summary on 64360) */ #define BSP_IRQ_ECC 17 /* ECC error interrupt */ #define BSP_IRQ_PCI1_1 18 /* PCI 1 interrupt 1 summary */ #define BSP_IRQ_PCI1_2 19 /* PCI 1 interrupt 2 summary */ #define BSP_IRQ_PCI1_3 20 /* PCI 1 interrupt 3 summary */ #define BSP_IRQ_PCI0OUT_LO 21 /* PCI 0 outbound interrupt summary */ #define BSP_IRQ_PCI0OUT_HI 22 /* PCI 0 outbound interrupt summary */ #define BSP_IRQ_PCI1OUT_LO 23 /* PCI 1 outbound interrupt summary */ #define BSP_IRQ_PCI1OUT_HI 24 /* PCI 1 outbound interrupt summary */ #define BSP_IRQ_PCI0IN_LO 26 /* PCI 0 inbound interrupt summary */ #define BSP_IRQ_PCI0IN_HI 27 /* PCI 0 inbound interrupt summary */ #define BSP_IRQ_PCI1IN_LO 28 /* PCI 1 inbound interrupt summary */ #define BSP_IRQ_PCI1IN_HI 29 /* PCI 1 inbound interrupt summary */ #define BSP_IRQ_ETH0 (32+0) /* Ethernet controller 0 interrupt */ #define BSP_IRQ_ETH1 (32+1) /* Ethernet controller 1 interrupt */ #define BSP_IRQ_ETH2 (32+2) /* Ethernet controller 2 interrupt */ #define BSP_IRQ_SDMA (32+4) /* SDMA interrupt */ #define BSP_IRQ_I2C (32+5) /* I2C interrupt */ #define BSP_IRQ_BRG (32+7) /* Baud Rate Generator interrupt */ #define BSP_IRQ_MPSC0 (32+8) /* MPSC 0 interrupt */ #define BSP_IRQ_MPSC1 (32+10) /* MPSC 1 interrupt */ #define BSP_IRQ_COMM (32+11) /* Comm unit interrupt */ #define BSP_IRQ_GPP7_0 (32+24) /* GPP[7..0] interrupt summary */ #define BSP_IRQ_GPP15_8 (32+25) /* GPP[15..8] interrupt summary */ #define BSP_IRQ_GPP23_16 (32+26) /* GPP[23..16] interrupt summary */ #define BSP_IRQ_GPP31_24 (32+27) /* GPP[31..24] interrupt summary */ #define BSP_IRQ_GPP_0 64 #define BSP_PCI_IRQ_NUMBER (64+32) #define BSP_PCI_IRQ_MAX_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1) #define BSP_PROCESSOR_IRQ_NUMBER 1 #define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_PCI_IRQ_MAX_OFFSET+1) #define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1) /* summary */ #define BSP_IRQ_NUMBER (BSP_PCI_IRQ_NUMBER + BSP_PROCESSOR_IRQ_NUMBER) #define BSP_LOWEST_OFFSET 0 #define BSP_MAX_OFFSET (BSP_LOWEST_OFFSET + BSP_IRQ_NUMBER - 1) #define BSP_DECREMENTER BSP_PROCESSOR_IRQ_LOWEST_OFFSET #define BSP_UART_COM1_IRQ BSP_IRQ_GPP_0 #define BSP_UART_COM2_IRQ BSP_IRQ_GPP_0 #ifndef ASM #ifdef __cplusplus extern "C" { #endif #include int BSP_irq_is_enabled_at_pic(rtems_irq_number irq); /* set priority of an interrupt; must not be called from ISR level */ int BSP_irq_set_priority(rtems_irq_number irq, rtems_irq_prio pri); /* Not for public use */ void BSP_rtems_irq_mng_init(unsigned cpuId); #ifdef __cplusplus } #endif #endif #endif