/* $NetBSD: gtintrreg.h,v 1.4 2005/12/11 12:22:16 christos Exp $ */ /* * Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Allegro Networks, Inc., and Wasabi Systems, Inc. * 4. The name of Allegro Networks, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * 5. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY ALLEGRO NETWORKS, INC. AND * WASABI SYSTEMS, INC. ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL EITHER ALLEGRO NETWORKS, INC. OR WASABI SYSTEMS, INC. * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * gt64260intr.h: defines for GT-64260 system controller interrupts * * creation Sun Jan 7 18:05:59 PST 2001 cliff * * NOTE: * Galileo GT-64260 manual bit defines assume Little Endian * ordering of bits within bytes, i.e. * bit #0 --> 0x01 * vs. Motorola Big Endian bit numbering where * bit #0 --> 0x80 * Consequently we define bits in Little Endian format and plan * to swizzle bytes during programmed I/O by using lwbrx/swbrx * to load/store GT-64260 registers. */ #ifndef _DISCOVERY_GT64260INTR_H #define _DISCOVERY_GT64260INTR_H #define BIT(n) (1<<(n)) /* * GT-64260 Interrupt Controller Register Map */ #define ICR_MIC_LO 0xc18 /* main interrupt cause low */ #define ICR_MIC_HI 0xc68 /* main interrupt cause high */ #define ICR_CIM_LO 0xc1c /* CPU interrupt mask low */ #define ICR_CIM_HI 0xc6c /* CPU interrupt mask high */ #define ICR_CSC 0xc70 /* CPU select cause */ #define ICR_P0IM_LO 0xc24 /* PCI_0 interrupt mask low */ #define ICR_P0IM_HI 0xc64 /* PCI_0 interrupt mask high */ #define ICR_P0SC 0xc74 /* PCI_0 select cause */ #define ICR_P1IM_LO 0xca4 /* PCI_1 interrupt mask low */ #define ICR_P1IM_HI 0xce4 /* PCI_1 interrupt mask high */ #define ICR_P1SC 0xcf4 /* PCI_1 select cause */ #define ICR_CI0M 0xe60 /* CPU int[0] mask */ #define ICR_CI1M 0xe64 /* CPU int[1] mask */ #define ICR_CI2M 0xe68 /* CPU int[2] mask */ #define ICR_CI3M 0xe6c /* CPU int[3] mask */ /* * IRQs: * we define IRQs based on bit number in the * ICU_LEN dimensioned hardware portion of the imask_t bit vector * which consists of 64 bits of Main Cause and Mask register pairs * (ICR_MIC_LO, ICR_MIC_HI and ICR_CIM_LO, ICR_CIM_HI) * as well as 32 bits in GPP registers (see intr.h): * * IRQs: * 31.............................0 63.............................32 * | | | * imask_t index: | | | * | | | | * ^--------- IM_PIC_LO ----------^ ^------ IM_PIC_HI ------------^ * | | | * Bitmasks: | | | * | | | | * ^--------- IML_* --------------^ ^------ IMH_* ----------------^ * | | | * Registers: | | | * | | | | * ^--------- ICR_MIC_LO ---------^ ^------ ICR_MIC_HI -----------^ * ^--------- ICR_CIM_LO ---------^ ^------ ICR_CIM_HI -----------^ * * IRQs: * 95............................64 127............................96 * | | | * imask_t index: | | | * | | | | * ^-------- IMASK_GPP ----------^ ^----- IMASK_SOFTINT --------^ * | | | * Bitmasks: | | | * | | | | * ^--------- GPP_* --------------^ ^------ SIBIT(irq) -----------^ * | | | * Registers: | | | * | | | | * ^--- GT_GPP_Interrupt_Cause ---^ ^------- (none) -----------^ * ^--- GT_GPP_Interrupt_Mask ---^ * * * Note that GPP interrupts are summarized in the Main Cause Register. * * Some IRQs are "resvered" undefined due to gaps in HW register utilization. */ #define IRQ_DEV 1 /* device interface interrupt */ #define IRQ_DMA 2 /* DMA addres error interrupt */ #define IRQ_CPU 3 /* CPU interface interrupt */ #define IRQ_IDMA0_1 4 /* IDMA ch. 0..1 complete interrupt */ #define IRQ_IDMA2_3 5 /* IDMA ch. 2..3 complete interrupt */ #define IRQ_IDMA4_5 6 /* IDMA ch. 4..5 complete interrupt */ #define IRQ_IDMA6_7 7 /* IDMA ch. 6..7 complete interrupt */ #define IRQ_TIME0_1 8 /* Timer 0..1 interrupt */ #define IRQ_TIME2_3 9 /* Timer 2..3 interrupt */ #define IRQ_TIME4_5 10 /* Timer 4..5 interrupt */ #define IRQ_TIME6_7 11 /* Timer 6..7 interrupt */ #define IRQ_PCI0_0 12 /* PCI 0 interrupt 0 summary */ #define IRQ_PCI0_1 13 /* PCI 0 interrupt 1 summary */ #define IRQ_PCI0_2 14 /* PCI 0 interrupt 2 summary */ #define IRQ_PCI0_3 15 /* PCI 0 interrupt 3 summary */ #define IRQ_PCI1_0 16 /* PCI 1 interrupt 0 summary */ #define IRQ_ECC 17 /* ECC error interrupt */ #define IRQ_PCI1_1 18 /* PCI 1 interrupt 1 summary */ #define IRQ_PCI1_2 19 /* PCI 1 interrupt 2 summary */ #define IRQ_PCI1_3 20 /* PCI 1 interrupt 3 summary */ #define IRQ_PCI0OUT_LO 21 /* PCI 0 outbound interrupt summary */ #define IRQ_PCI0OUT_HI 22 /* PCI 0 outbound interrupt summary */ #define IRQ_PCI1OUT_LO 23 /* PCI 1 outbound interrupt summary */ #define IRQ_PCI1OUT_HI 24 /* PCI 1 outbound interrupt summary */ #define IRQ_PCI0IN_LO 26 /* PCI 0 inbound interrupt summary */ #define IRQ_PCI0IN_HI 27 /* PCI 0 inbound interrupt summary */ #define IRQ_PCI1IN_LO 28 /* PCI 1 inbound interrupt summary */ #define IRQ_PCI1IN_HI 29 /* PCI 1 inbound interrupt summary */ #define IRQ_ETH0 (32+0) /* Ethernet controller 0 interrupt */ #define IRQ_ETH1 (32+1) /* Ethernet controller 1 interrupt */ #define IRQ_ETH2 (32+2) /* Ethernet controller 2 interrupt */ #define IRQ_SDMA (32+4) /* SDMA interrupt */ #define IRQ_I2C (32+5) /* I2C interrupt */ #define IRQ_BRG (32+7) /* Baud Rate Generator interrupt */ #define IRQ_MPSC0 (32+8) /* MPSC 0 interrupt */ #define IRQ_MPSC1 (32+10) /* MPSC 1 interrupt */ #define IRQ_COMM (32+11) /* Comm unit interrupt */ #define IRQ_GPP7_0 (32+24) /* GPP[7..0] interrupt */ #define IRQ_GPP15_8 (32+25) /* GPP[15..8] interrupt */ #define IRQ_GPP23_16 (32+26) /* GPP[23..16] interrupt */ #define IRQ_GPP31_24 (32+27) /* GPP[31..24] interrupt */ /* * low word interrupt mask register bits */ #define IML_SUM BIT(0) #define IML_DEV BIT(IRQ_DEV) #define IML_DMA BIT(IRQ_DMA) #define IML_CPU BIT(IRQ_CPU) #define IML_IDMA0_1 BIT(IRQ_IDMA0_1) #define IML_IDMA2_3 BIT(IRQ_IDMA2_3) #define IML_IDMA4_5 BIT(IRQ_IDMA4_5) #define IML_IDMA6_7 BIT(IRQ_IDMA6_7) #define IML_TIME0_1 BIT(IRQ_TIME0_1) #define IML_TIME2_3 BIT(IRQ_TIME2_3) #define IML_TIME4_5 BIT(IRQ_TIME4_5) #define IML_TIME6_7 BIT(IRQ_TIME6_7) #define IML_PCI0_0 BIT(IRQ_PCI0_0) #define IML_PCI0_1 BIT(IRQ_PCI0_1) #define IML_PCI0_2 BIT(IRQ_PCI0_2) #define IML_PCI0_3 BIT(IRQ_PCI0_3) #define IML_PCI1_0 BIT(IRQ_PCI1_0) #define IML_ECC BIT(IRQ_ECC) #define IML_PCI1_1 BIT(IRQ_PCI1_1) #define IML_PCI1_2 BIT(IRQ_PCI1_2) #define IML_PCI1_3 BIT(IRQ_PCI1_3) #define IML_PCI0OUT_LO BIT(IRQ_PCI0OUT_LO) #define IML_PCI0OUT_HI BIT(IRQ_PCI0OUT_HI) #define IML_PCI1OUT_LO BIT(IRQ_PCI1OUT_LO) #define IML_PCI1OUT_HI BIT(IRQ_PCI1OUT_HI) #define IML_PCI0IN_LO BIT(IRQ_PCI0IN_LO) #define IML_PCI0IN_HI BIT(IRQ_PCI0IN_HI) #define IML_PCI1IN_LO BIT(IRQ_PCI1IN_LO) #define IML_PCI1IN_HI BIT(IRQ_PCI1IN_HI) #define IML_RES (BIT(25)|BIT(30)|BIT(31)) /* * high word interrupt mask register bits */ #define IMH_ETH0 BIT(IRQ_ETH0-32) #define IMH_ETH1 BIT(IRQ_ETH1-32) #define IMH_ETH2 BIT(IRQ_ETH2-32) #define IMH_SDMA BIT(IRQ_SDMA-32) #define IMH_I2C BIT(IRQ_I2C-32) #define IMH_BRG BIT(IRQ_BRG-32) #define IMH_MPSC0 BIT(IRQ_MPSC0-32) #define IMH_MPSC1 BIT(IRQ_MPSC1-32) #define IMH_COMM BIT(IRQ_COMM-32) #define IMH_GPP7_0 BIT(IRQ_GPP7_0-32) #define IMH_GPP15_8 BIT(IRQ_GPP15_8-32) #define IMH_GPP23_16 BIT(IRQ_GPP23_16-32) #define IMH_GPP31_24 BIT(IRQ_GPP31_24-32) #define IMH_GPP_SUM (IMH_GPP7_0|IMH_GPP15_8|IMH_GPP23_16|IMH_GPP31_24) #define IMH_RES (BIT(3) |BIT(6) |BIT(9) |BIT(12)|BIT(13)|BIT(14) \ |BIT(15)|BIT(16)|BIT(17)|BIT(18)|BIT(19)|BIT(20) \ |BIT(21)|BIT(22)|BIT(23)|BIT(28)|BIT(29)|BIT(30) \ |BIT(31)) /* * ICR_CSC "Select Cause" register bits */ #define CSC_SEL BIT(30) /* HI/LO select */ #define CSC_STAT BIT(31) /* ? "irq active" : "irq none" */ #define CSC_CAUSE ~(CSC_SEL|CSC_STAT) /* * CPU Int[n] Mask bit(s) */ #define CPUINT_SEL 0x80000000 /* HI/LO select */ #endif /* _DISCOVERY_GT64260INTR_H */