/* * ca91c042.h * * Support for the Tundra Universe 1 and Universe II VME bridge chips * * Author: Tom Armistead * Updated by Ajit Prem * Copyright 2004 Motorola Inc. * * Further updated by Martyn Welch * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc. * * Derived from ca91c042.h by Michael Wyrick * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #ifndef _CA91CX42_H #define _CA91CX42_H #ifndef PCI_VENDOR_ID_TUNDRA #define PCI_VENDOR_ID_TUNDRA 0x10e3 #endif #ifndef PCI_DEVICE_ID_TUNDRA_CA91C142 #define PCI_DEVICE_ID_TUNDRA_CA91C142 0x0000 #endif /* * Define the number of each that the CA91C142 supports. */ #define CA91C142_MAX_MASTER 8 /* Max Master Windows */ #define CA91C142_MAX_SLAVE 8 /* Max Slave Windows */ #define CA91C142_MAX_DMA 1 /* Max DMA Controllers */ #define CA91C142_MAX_MAILBOX 4 /* Max Mail Box registers */ /* Structure used to hold driver specific information */ struct ca91cx42_driver { void __iomem *base; /* Base Address of device registers */ wait_queue_head_t dma_queue; wait_queue_head_t iack_queue; wait_queue_head_t mbox_queue; void (*lm_callback[4])(int); /* Called in interrupt handler */ void *crcsr_kernel; dma_addr_t crcsr_bus; struct mutex vme_rmw; /* Only one RMW cycle at a time */ struct mutex vme_int; /* * Only one VME interrupt can be * generated at a time, provide locking */ }; /* See Page 2-77 in the Universe User Manual */ struct ca91cx42_dma_descriptor { unsigned int dctl; /* DMA Control */ unsigned int dtbc; /* Transfer Byte Count */ unsigned int dla; /* PCI Address */ unsigned int res1; /* Reserved */ unsigned int dva; /* Vme Address */ unsigned int res2; /* Reserved */ unsigned int dcpp; /* Pointer to Numed Cmd Packet with rPN */ unsigned int res3; /* Reserved */ }; struct ca91cx42_dma_entry { struct ca91cx42_dma_descriptor descriptor; struct list_head list; }; /* Universe Register Offsets */ /* general PCI configuration registers */ #define CA91CX42_PCI_ID 0x000 #define CA91CX42_PCI_CSR 0x004 #define CA91CX42_PCI_CLASS 0x008 #define CA91CX42_PCI_MISC0 0x00C #define CA91CX42_PCI_BS 0x010 #define CA91CX42_PCI_MISC1 0x03C #define LSI0_CTL 0x0100 #define LSI0_BS 0x0104 #define LSI0_BD 0x0108 #define LSI0_TO 0x010C #define LSI1_CTL 0x0114 #define LSI1_BS 0x0118 #define LSI1_BD 0x011C #define LSI1_TO 0x0120 #define LSI2_CTL 0x0128 #define LSI2_BS 0x012C #define LSI2_BD 0x0130 #define LSI2_TO 0x0134 #define LSI3_CTL 0x013C #define LSI3_BS 0x0140 #define LSI3_BD 0x0144 #define LSI3_TO 0x0148 #define LSI4_CTL 0x01A0 #define LSI4_BS 0x01A4 #define LSI4_BD 0x01A8 #define LSI4_TO 0x01AC #define LSI5_CTL 0x01B4 #define LSI5_BS 0x01B8 #define LSI5_BD 0x01BC #define LSI5_TO 0x01C0 #define LSI6_CTL 0x01C8 #define LSI6_BS 0x01CC #define LSI6_BD 0x01D0 #define LSI6_TO 0x01D4 #define LSI7_CTL 0x01DC #define LSI7_BS 0x01E0 #define LSI7_BD 0x01E4 #define LSI7_TO 0x01E8 static const int CA91CX42_LSI_CTL[] = { LSI0_CTL, LSI1_CTL, LSI2_CTL, LSI3_CTL, LSI4_CTL, LSI5_CTL, LSI6_CTL, LSI7_CTL }; static const int CA91CX42_LSI_BS[] = { LSI0_BS, LSI1_BS, LSI2_BS, LSI3_BS, LSI4_BS, LSI5_BS, LSI6_BS, LSI7_BS }; static const int CA91CX42_LSI_BD[] = { LSI0_BD, LSI1_BD, LSI2_BD, LSI3_BD, LSI4_BD, LSI5_BD, LSI6_BD, LSI7_BD }; static const int CA91CX42_LSI_TO[] = { LSI0_TO, LSI1_TO, LSI2_TO, LSI3_TO, LSI4_TO, LSI5_TO, LSI6_TO, LSI7_TO }; #define SCYC_CTL 0x0170 #define SCYC_ADDR 0x0174 #define SCYC_EN 0x0178 #define SCYC_CMP 0x017C #define SCYC_SWP 0x0180 #define LMISC 0x0184 #define SLSI 0x0188 #define L_CMDERR 0x018C #define LAERR 0x0190 #define DCTL 0x0200 #define DTBC 0x0204 #define DLA 0x0208 #define DVA 0x0210 #define DCPP 0x0218 #define DGCS 0x0220 #define D_LLUE 0x0224 #define LINT_EN 0x0300 #define LINT_STAT 0x0304 #define LINT_MAP0 0x0308 #define LINT_MAP1 0x030C #define VINT_EN 0x0310 #define VINT_STAT 0x0314 #define VINT_MAP0 0x0318 #define VINT_MAP1 0x031C #define STATID 0x0320 #define V1_STATID 0x0324 #define V2_STATID 0x0328 #define V3_STATID 0x032C #define V4_STATID 0x0330 #define V5_STATID 0x0334 #define V6_STATID 0x0338 #define V7_STATID 0x033C static const int CA91CX42_V_STATID[8] = { 0, V1_STATID, V2_STATID, V3_STATID, V4_STATID, V5_STATID, V6_STATID, V7_STATID }; #define LINT_MAP2 0x0340 #define VINT_MAP2 0x0344 #define MBOX0 0x0348 #define MBOX1 0x034C #define MBOX2 0x0350 #define MBOX3 0x0354 #define SEMA0 0x0358 #define SEMA1 0x035C #define MAST_CTL 0x0400 #define MISC_CTL 0x0404 #define MISC_STAT 0x0408 #define USER_AM 0x040C #define VSI0_CTL 0x0F00 #define VSI0_BS 0x0F04 #define VSI0_BD 0x0F08 #define VSI0_TO 0x0F0C #define VSI1_CTL 0x0F14 #define VSI1_BS 0x0F18 #define VSI1_BD 0x0F1C #define VSI1_TO 0x0F20 #define VSI2_CTL 0x0F28 #define VSI2_BS 0x0F2C #define VSI2_BD 0x0F30 #define VSI2_TO 0x0F34 #define VSI3_CTL 0x0F3C #define VSI3_BS 0x0F40 #define VSI3_BD 0x0F44 #define VSI3_TO 0x0F48 #define LM_CTL 0x0F64 #define LM_BS 0x0F68 #define VRAI_CTL 0x0F70 #define VRAI_BS 0x0F74 #define VCSR_CTL 0x0F80 #define VCSR_TO 0x0F84 #define V_AMERR 0x0F88 #define VAERR 0x0F8C #define VSI4_CTL 0x0F90 #define VSI4_BS 0x0F94 #define VSI4_BD 0x0F98 #define VSI4_TO 0x0F9C #define VSI5_CTL 0x0FA4 #define VSI5_BS 0x0FA8 #define VSI5_BD 0x0FAC #define VSI5_TO 0x0FB0 #define VSI6_CTL 0x0FB8 #define VSI6_BS 0x0FBC #define VSI6_BD 0x0FC0 #define VSI6_TO 0x0FC4 #define VSI7_CTL 0x0FCC #define VSI7_BS 0x0FD0 #define VSI7_BD 0x0FD4 #define VSI7_TO 0x0FD8 static const int CA91CX42_VSI_CTL[] = { VSI0_CTL, VSI1_CTL, VSI2_CTL, VSI3_CTL, VSI4_CTL, VSI5_CTL, VSI6_CTL, VSI7_CTL }; static const int CA91CX42_VSI_BS[] = { VSI0_BS, VSI1_BS, VSI2_BS, VSI3_BS, VSI4_BS, VSI5_BS, VSI6_BS, VSI7_BS }; static const int CA91CX42_VSI_BD[] = { VSI0_BD, VSI1_BD, VSI2_BD, VSI3_BD, VSI4_BD, VSI5_BD, VSI6_BD, VSI7_BD }; static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO, VSI4_TO, VSI5_TO, VSI6_TO, VSI7_TO }; #define VCSR_CLR 0x0FF4 #define VCSR_SET 0x0FF8 #define VCSR_BS 0x0FFC /* * PCI Class Register * offset 008 */ #define CA91CX42_BM_PCI_CLASS_BASE 0xFF000000 #define CA91CX42_OF_PCI_CLASS_BASE 24 #define CA91CX42_BM_PCI_CLASS_SUB 0x00FF0000 #define CA91CX42_OF_PCI_CLASS_SUB 16 #define CA91CX42_BM_PCI_CLASS_PROG 0x0000FF00 #define CA91CX42_OF_PCI_CLASS_PROG 8 #define CA91CX42_BM_PCI_CLASS_RID 0x000000FF #define CA91CX42_OF_PCI_CLASS_RID 0 #define CA91CX42_OF_PCI_CLASS_RID_UNIVERSE_I 0 #define CA91CX42_OF_PCI_CLASS_RID_UNIVERSE_II 1 /* * PCI Misc Register * offset 00C */ #define CA91CX42_BM_PCI_MISC0_BISTC 0x80000000 #define CA91CX42_BM_PCI_MISC0_SBIST 0x60000000 #define CA91CX42_BM_PCI_MISC0_CCODE 0x0F000000 #define CA91CX42_BM_PCI_MISC0_MFUNCT 0x00800000 #define CA91CX42_BM_PCI_MISC0_LAYOUT 0x007F0000 #define CA91CX42_BM_PCI_MISC0_LTIMER 0x0000FF00 #define CA91CX42_OF_PCI_MISC0_LTIMER 8 /* * LSI Control Register * offset 100 */ #define CA91CX42_LSI_CTL_EN (1<<31) #define CA91CX42_LSI_CTL_PWEN (1<<30) #define CA91CX42_LSI_CTL_VDW_M (3<<22) #define CA91CX42_LSI_CTL_VDW_D8 0 #define CA91CX42_LSI_CTL_VDW_D16 (1<<22) #define CA91CX42_LSI_CTL_VDW_D32 (1<<23) #define CA91CX42_LSI_CTL_VDW_D64 (3<<22) #define CA91CX42_LSI_CTL_VAS_M (7<<16) #define CA91CX42_LSI_CTL_VAS_A16 0 #define CA91CX42_LSI_CTL_VAS_A24 (1<<16) #define CA91CX42_LSI_CTL_VAS_A32 (1<<17) #define CA91CX42_LSI_CTL_VAS_CRCSR (5<<16) #define CA91CX42_LSI_CTL_VAS_USER1 (3<<17) #define CA91CX42_LSI_CTL_VAS_USER2 (7<<16) #define CA91CX42_LSI_CTL_PGM_M (1<<14) #define CA91CX42_LSI_CTL_PGM_DATA 0 #define CA91CX42_LSI_CTL_PGM_PGM (1<<14) #define CA91CX42_LSI_CTL_SUPER_M (1<<12) #define CA91CX42_LSI_CTL_SUPER_NPRIV 0 #define CA91CX42_LSI_CTL_SUPER_SUPR (1<<12) #define CA91CX42_LSI_CTL_VCT_M (1<<8) #define CA91CX42_LSI_CTL_VCT_BLT (1<<8) #define CA91CX42_LSI_CTL_VCT_MBLT (1<<8) #define CA91CX42_LSI_CTL_LAS (1<<0) /* * SCYC_CTL Register * offset 178 */ #define CA91CX42_SCYC_CTL_LAS_PCIMEM 0 #define CA91CX42_SCYC_CTL_LAS_PCIIO (1<<2) #define CA91CX42_SCYC_CTL_CYC_M (3<<0) #define CA91CX42_SCYC_CTL_CYC_RMW (1<<0) #define CA91CX42_SCYC_CTL_CYC_ADOH (1<<1) /* * LMISC Register * offset 184 */ #define CA91CX42_BM_LMISC_CRT 0xF0000000 #define CA91CX42_OF_LMISC_CRT 28 #define CA91CX42_BM_LMISC_CWT 0x0F000000 #define CA91CX42_OF_LMISC_CWT 24 /* * SLSI Register * offset 188 */ #define CA91CX42_BM_SLSI_EN 0x80000000 #define CA91CX42_BM_SLSI_PWEN 0x40000000 #define CA91CX42_BM_SLSI_VDW 0x00F00000 #define CA91CX42_OF_SLSI_VDW 20 #define CA91CX42_BM_SLSI_PGM 0x0000F000 #define CA91CX42_OF_SLSI_PGM 12 #define CA91CX42_BM_SLSI_SUPER 0x00000F00 #define CA91CX42_OF_SLSI_SUPER 8 #define CA91CX42_BM_SLSI_BS 0x000000F6 #define CA91CX42_OF_SLSI_BS 2 #define CA91CX42_BM_SLSI_LAS 0x00000003 #define CA91CX42_OF_SLSI_LAS 0 #define CA91CX42_BM_SLSI_RESERVED 0x3F0F0000 /* * DCTL Register * offset 200 */ #define CA91CX42_DCTL_L2V (1<<31) #define CA91CX42_DCTL_VDW_M (3<<22) #define CA91CX42_DCTL_VDW_M (3<<22) #define CA91CX42_DCTL_VDW_D8 0 #define CA91CX42_DCTL_VDW_D16 (1<<22) #define CA91CX42_DCTL_VDW_D32 (1<<23) #define CA91CX42_DCTL_VDW_D64 (3<<22) #define CA91CX42_DCTL_VAS_M (7<<16) #define CA91CX42_DCTL_VAS_A16 0 #define CA91CX42_DCTL_VAS_A24 (1<<16) #define CA91CX42_DCTL_VAS_A32 (1<<17) #define CA91CX42_DCTL_VAS_USER1 (3<<17) #define CA91CX42_DCTL_VAS_USER2 (7<<16) #define CA91CX42_DCTL_PGM_M (1<<14) #define CA91CX42_DCTL_PGM_DATA 0 #define CA91CX42_DCTL_PGM_PGM (1<<14) #define CA91CX42_DCTL_SUPER_M (1<<12) #define CA91CX42_DCTL_SUPER_NPRIV 0 #define CA91CX42_DCTL_SUPER_SUPR (1<<12) #define CA91CX42_DCTL_VCT_M (1<<8) #define CA91CX42_DCTL_VCT_BLT (1<<8) #define CA91CX42_DCTL_LD64EN (1<<7) /* * DCPP Register * offset 218 */ #define CA91CX42_DCPP_M 0xf #define CA91CX42_DCPP_NULL (1<<0) /* * DMA General Control/Status Register (DGCS) * offset 220 */ #define CA91CX42_DGCS_GO (1<<31) #define CA91CX42_DGCS_STOP_REQ (1<<30) #define CA91CX42_DGCS_HALT_REQ (1<<29) #define CA91CX42_DGCS_CHAIN (1<<27) #define CA91CX42_DGCS_VON_M (7<<20) #define CA91CX42_DGCS_VOFF_M (0xf<<16) #define CA91CX42_DGCS_ACT (1<<15) #define CA91CX42_DGCS_STOP (1<<14) #define CA91CX42_DGCS_HALT (1<<13) #define CA91CX42_DGCS_DONE (1<<11) #define CA91CX42_DGCS_LERR (1<<10) #define CA91CX42_DGCS_VERR (1<<9) #define CA91CX42_DGCS_PERR (1<<8) #define CA91CX42_DGCS_INT_STOP (1<<6) #define CA91CX42_DGCS_INT_HALT (1<<5) #define CA91CX42_DGCS_INT_DONE (1<<3) #define CA91CX42_DGCS_INT_LERR (1<<2) #define CA91CX42_DGCS_INT_VERR (1<<1) #define CA91CX42_DGCS_INT_PERR (1<<0) /* * PCI Interrupt Enable Register * offset 300 */ #define CA91CX42_LINT_LM3 0x00800000 #define CA91CX42_LINT_LM2 0x00400000 #define CA91CX42_LINT_LM1 0x00200000 #define CA91CX42_LINT_LM0 0x00100000 #define CA91CX42_LINT_MBOX3 0x00080000 #define CA91CX42_LINT_MBOX2 0x00040000 #define CA91CX42_LINT_MBOX1 0x00020000 #define CA91CX42_LINT_MBOX0 0x00010000 #define CA91CX42_LINT_ACFAIL 0x00008000 #define CA91CX42_LINT_SYSFAIL 0x00004000 #define CA91CX42_LINT_SW_INT 0x00002000 #define CA91CX42_LINT_SW_IACK 0x00001000 #define CA91CX42_LINT_VERR 0x00000400 #define CA91CX42_LINT_LERR 0x00000200 #define CA91CX42_LINT_DMA 0x00000100 #define CA91CX42_LINT_VIRQ7 0x00000080 #define CA91CX42_LINT_VIRQ6 0x00000040 #define CA91CX42_LINT_VIRQ5 0x00000020 #define CA91CX42_LINT_VIRQ4 0x00000010 #define CA91CX42_LINT_VIRQ3 0x00000008 #define CA91CX42_LINT_VIRQ2 0x00000004 #define CA91CX42_LINT_VIRQ1 0x00000002 #define CA91CX42_LINT_VOWN 0x00000001 static const int CA91CX42_LINT_VIRQ[] = { 0, CA91CX42_LINT_VIRQ1, CA91CX42_LINT_VIRQ2, CA91CX42_LINT_VIRQ3, CA91CX42_LINT_VIRQ4, CA91CX42_LINT_VIRQ5, CA91CX42_LINT_VIRQ6, CA91CX42_LINT_VIRQ7 }; #define CA91CX42_LINT_MBOX 0x000F0000 static const int CA91CX42_LINT_LM[] = { CA91CX42_LINT_LM0, CA91CX42_LINT_LM1, CA91CX42_LINT_LM2, CA91CX42_LINT_LM3 }; /* * MAST_CTL Register * offset 400 */ #define CA91CX42_BM_MAST_CTL_MAXRTRY 0xF0000000 #define CA91CX42_OF_MAST_CTL_MAXRTRY 28 #define CA91CX42_BM_MAST_CTL_PWON 0x0F000000 #define CA91CX42_OF_MAST_CTL_PWON 24 #define CA91CX42_BM_MAST_CTL_VRL 0x00C00000 #define CA91CX42_OF_MAST_CTL_VRL 22 #define CA91CX42_BM_MAST_CTL_VRM 0x00200000 #define CA91CX42_BM_MAST_CTL_VREL 0x00100000 #define CA91CX42_BM_MAST_CTL_VOWN 0x00080000 #define CA91CX42_BM_MAST_CTL_VOWN_ACK 0x00040000 #define CA91CX42_BM_MAST_CTL_PABS 0x00001000 #define CA91CX42_BM_MAST_CTL_BUS_NO 0x0000000F #define CA91CX42_OF_MAST_CTL_BUS_NO 0 /* * MISC_CTL Register * offset 404 */ #define CA91CX42_MISC_CTL_VBTO 0xF0000000 #define CA91CX42_MISC_CTL_VARB 0x04000000 #define CA91CX42_MISC_CTL_VARBTO 0x03000000 #define CA91CX42_MISC_CTL_SW_LRST 0x00800000 #define CA91CX42_MISC_CTL_SW_SRST 0x00400000 #define CA91CX42_MISC_CTL_BI 0x00100000 #define CA91CX42_MISC_CTL_ENGBI 0x00080000 #define CA91CX42_MISC_CTL_RESCIND 0x00040000 #define CA91CX42_MISC_CTL_SYSCON 0x00020000 #define CA91CX42_MISC_CTL_V64AUTO 0x00010000 #define CA91CX42_MISC_CTL_RESERVED 0x0820FFFF #define CA91CX42_OF_MISC_CTL_VARBTO 24 #define CA91CX42_OF_MISC_CTL_VBTO 28 /* * MISC_STAT Register * offset 408 */ #define CA91CX42_BM_MISC_STAT_ENDIAN 0x80000000 #define CA91CX42_BM_MISC_STAT_LCLSIZE 0x40000000 #define CA91CX42_BM_MISC_STAT_DY4AUTO 0x08000000 #define CA91CX42_BM_MISC_STAT_MYBBSY 0x00200000 #define CA91CX42_BM_MISC_STAT_DY4DONE 0x00080000 #define CA91CX42_BM_MISC_STAT_TXFE 0x00040000 #define CA91CX42_BM_MISC_STAT_RXFE 0x00020000 #define CA91CX42_BM_MISC_STAT_DY4AUTOID 0x0000FF00 #define CA91CX42_OF_MISC_STAT_DY4AUTOID 8 /* * VSI Control Register * offset F00 */ #define CA91CX42_VSI_CTL_EN (1<<31) #define CA91CX42_VSI_CTL_PWEN (1<<30) #define CA91CX42_VSI_CTL_PREN (1<<29) #define CA91CX42_VSI_CTL_PGM_M (3<<22) #define CA91CX42_VSI_CTL_PGM_DATA (1<<22) #define CA91CX42_VSI_CTL_PGM_PGM (1<<23) #define CA91CX42_VSI_CTL_SUPER_M (3<<20) #define CA91CX42_VSI_CTL_SUPER_NPRIV (1<<20) #define CA91CX42_VSI_CTL_SUPER_SUPR (1<<21) #define CA91CX42_VSI_CTL_VAS_M (7<<16) #define CA91CX42_VSI_CTL_VAS_A16 0 #define CA91CX42_VSI_CTL_VAS_A24 (1<<16) #define CA91CX42_VSI_CTL_VAS_A32 (1<<17) #define CA91CX42_VSI_CTL_VAS_USER1 (3<<17) #define CA91CX42_VSI_CTL_VAS_USER2 (7<<16) #define CA91CX42_VSI_CTL_LD64EN (1<<7) #define CA91CX42_VSI_CTL_LLRMW (1<<6) #define CA91CX42_VSI_CTL_LAS_M (3<<0) #define CA91CX42_VSI_CTL_LAS_PCI_MS 0 #define CA91CX42_VSI_CTL_LAS_PCI_IO (1<<0) #define CA91CX42_VSI_CTL_LAS_PCI_CONF (1<<1) /* LM_CTL Register * offset F64 */ #define CA91CX42_LM_CTL_EN (1<<31) #define CA91CX42_LM_CTL_PGM (1<<23) #define CA91CX42_LM_CTL_DATA (1<<22) #define CA91CX42_LM_CTL_SUPR (1<<21) #define CA91CX42_LM_CTL_NPRIV (1<<20) #define CA91CX42_LM_CTL_AS_M (5<<16) #define CA91CX42_LM_CTL_AS_A16 0 #define CA91CX42_LM_CTL_AS_A24 (1<<16) #define CA91CX42_LM_CTL_AS_A32 (1<<17) /* * VRAI_CTL Register * offset F70 */ #define CA91CX42_BM_VRAI_CTL_EN 0x80000000 #define CA91CX42_BM_VRAI_CTL_PGM 0x00C00000 #define CA91CX42_OF_VRAI_CTL_PGM 22 #define CA91CX42_BM_VRAI_CTL_SUPER 0x00300000 #define CA91CX42_OF_VRAI_CTL_SUPER 20 #define CA91CX42_BM_VRAI_CTL_VAS 0x00030000 #define CA91CX42_OF_VRAI_CTL_VAS 16 /* VCSR_CTL Register * offset F80 */ #define CA91CX42_VCSR_CTL_EN (1<<31) #define CA91CX42_VCSR_CTL_LAS_M (3<<0) #define CA91CX42_VCSR_CTL_LAS_PCI_MS 0 #define CA91CX42_VCSR_CTL_LAS_PCI_IO (1<<0) #define CA91CX42_VCSR_CTL_LAS_PCI_CONF (1<<1) /* VCSR_BS Register * offset FFC */ #define CA91CX42_VCSR_BS_SLOT_M (0x1F<<27) #endif /* _CA91CX42_H */