diff options
Diffstat (limited to 'arch/tile/include/hv/drv_trio_intf.h')
-rw-r--r-- | arch/tile/include/hv/drv_trio_intf.h | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/arch/tile/include/hv/drv_trio_intf.h b/arch/tile/include/hv/drv_trio_intf.h deleted file mode 100644 index 237e04dee66c..000000000000 --- a/arch/tile/include/hv/drv_trio_intf.h +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * 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, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/** - * Interface definitions for the trio driver. - */ - -#ifndef _SYS_HV_DRV_TRIO_INTF_H -#define _SYS_HV_DRV_TRIO_INTF_H - -#include <arch/trio.h> - -/** The vendor ID for all Tilera processors. */ -#define TILERA_VENDOR_ID 0x1a41 - -/** The device ID for the Gx36 processor. */ -#define TILERA_GX36_DEV_ID 0x0200 - -/** Device ID for our internal bridge when running as RC. */ -#define TILERA_GX36_RC_DEV_ID 0x2000 - -/** Maximum number of TRIO interfaces. */ -#define TILEGX_NUM_TRIO 2 - -/** Gx36 has max 3 PCIe MACs per TRIO interface. */ -#define TILEGX_TRIO_PCIES 3 - -/** Specify port properties for a PCIe MAC. */ -struct pcie_port_property -{ - /** If true, the link can be configured in PCIe root complex mode. */ - uint8_t allow_rc: 1; - - /** If true, the link can be configured in PCIe endpoint mode. */ - uint8_t allow_ep: 1; - - /** If true, the link can be configured in StreamIO mode. */ - uint8_t allow_sio: 1; - - /** If true, the link is allowed to support 1-lane operation. Software - * will not consider it an error if the link comes up as a x1 link. */ - uint8_t allow_x1: 1; - - /** If true, the link is allowed to support 2-lane operation. Software - * will not consider it an error if the link comes up as a x2 link. */ - uint8_t allow_x2: 1; - - /** If true, the link is allowed to support 4-lane operation. Software - * will not consider it an error if the link comes up as a x4 link. */ - uint8_t allow_x4: 1; - - /** If true, the link is allowed to support 8-lane operation. Software - * will not consider it an error if the link comes up as a x8 link. */ - uint8_t allow_x8: 1; - - /** If true, this link is connected to a device which may or may not - * be present. */ - uint8_t removable: 1; - -}; - -/** Configurations can be issued to configure a char stream interrupt. */ -typedef enum pcie_stream_intr_config_sel_e -{ - /** Interrupt configuration for memory map regions. */ - MEM_MAP_SEL, - - /** Interrupt configuration for push DMAs. */ - PUSH_DMA_SEL, - - /** Interrupt configuration for pull DMAs. */ - PULL_DMA_SEL, -} -pcie_stream_intr_config_sel_t; - - -/** The mmap file offset (PA) of the TRIO config region. */ -#define HV_TRIO_CONFIG_OFFSET \ - ((unsigned long long)TRIO_MMIO_ADDRESS_SPACE__REGION_VAL_CFG << \ - TRIO_MMIO_ADDRESS_SPACE__REGION_SHIFT) - -/** The maximum size of the TRIO config region. */ -#define HV_TRIO_CONFIG_SIZE \ - (1ULL << TRIO_CFG_REGION_ADDR__REGION_SHIFT) - -/** Size of the config region mapped into client. We can't use - * TRIO_MMIO_ADDRESS_SPACE__OFFSET_WIDTH because it - * will require the kernel to allocate 4GB VA space - * from the VMALLOC region which has a total range - * of 4GB. - */ -#define HV_TRIO_CONFIG_IOREMAP_SIZE \ - ((uint64_t) 1 << TRIO_CFG_REGION_ADDR__PROT_SHIFT) - -/** The mmap file offset (PA) of a scatter queue region. */ -#define HV_TRIO_SQ_OFFSET(queue) \ - (((unsigned long long)TRIO_MMIO_ADDRESS_SPACE__REGION_VAL_MAP_SQ << \ - TRIO_MMIO_ADDRESS_SPACE__REGION_SHIFT) | \ - ((queue) << TRIO_MAP_SQ_REGION_ADDR__SQ_SEL_SHIFT)) - -/** The maximum size of a scatter queue region. */ -#define HV_TRIO_SQ_SIZE \ - (1ULL << TRIO_MAP_SQ_REGION_ADDR__SQ_SEL_SHIFT) - - -/** The "hardware MMIO region" of the first PIO region. */ -#define HV_TRIO_FIRST_PIO_REGION 8 - -/** The mmap file offset (PA) of a PIO region. */ -#define HV_TRIO_PIO_OFFSET(region) \ - (((unsigned long long)(region) + HV_TRIO_FIRST_PIO_REGION) \ - << TRIO_PIO_REGIONS_ADDR__REGION_SHIFT) - -/** The maximum size of a PIO region. */ -#define HV_TRIO_PIO_SIZE (1ULL << TRIO_PIO_REGIONS_ADDR__ADDR_WIDTH) - - -/** The mmap file offset (PA) of a push DMA region. */ -#define HV_TRIO_PUSH_DMA_OFFSET(ring) \ - (((unsigned long long)TRIO_MMIO_ADDRESS_SPACE__REGION_VAL_PUSH_DMA << \ - TRIO_MMIO_ADDRESS_SPACE__REGION_SHIFT) | \ - ((ring) << TRIO_PUSH_DMA_REGION_ADDR__RING_SEL_SHIFT)) - -/** The mmap file offset (PA) of a pull DMA region. */ -#define HV_TRIO_PULL_DMA_OFFSET(ring) \ - (((unsigned long long)TRIO_MMIO_ADDRESS_SPACE__REGION_VAL_PULL_DMA << \ - TRIO_MMIO_ADDRESS_SPACE__REGION_SHIFT) | \ - ((ring) << TRIO_PULL_DMA_REGION_ADDR__RING_SEL_SHIFT)) - -/** The maximum size of a DMA region. */ -#define HV_TRIO_DMA_REGION_SIZE \ - (1ULL << TRIO_PUSH_DMA_REGION_ADDR__RING_SEL_SHIFT) - - -/** The mmap file offset (PA) of a Mem-Map interrupt region. */ -#define HV_TRIO_MEM_MAP_INTR_OFFSET(map) \ - (((unsigned long long)TRIO_MMIO_ADDRESS_SPACE__REGION_VAL_MAP_MEM << \ - TRIO_MMIO_ADDRESS_SPACE__REGION_SHIFT) | \ - ((map) << TRIO_MAP_MEM_REGION_ADDR__MAP_SEL_SHIFT)) - -/** The maximum size of a Mem-Map interrupt region. */ -#define HV_TRIO_MEM_MAP_INTR_SIZE \ - (1ULL << TRIO_MAP_MEM_REGION_ADDR__MAP_SEL_SHIFT) - - -/** A flag bit indicating a fixed resource allocation. */ -#define HV_TRIO_ALLOC_FIXED 0x01 - -/** TRIO requires that all mappings have 4kB aligned start addresses. */ -#define HV_TRIO_PAGE_SHIFT 12 - -/** TRIO requires that all mappings have 4kB aligned start addresses. */ -#define HV_TRIO_PAGE_SIZE (1ull << HV_TRIO_PAGE_SHIFT) - - -/* Specify all PCIe port properties for a TRIO. */ -struct pcie_trio_ports_property -{ - struct pcie_port_property ports[TILEGX_TRIO_PCIES]; - - /** Set if this TRIO belongs to a Gx72 device. */ - uint8_t is_gx72; -}; - -/* Flags indicating traffic class. */ -#define HV_TRIO_FLAG_TC_SHIFT 4 -#define HV_TRIO_FLAG_TC_RMASK 0xf -#define HV_TRIO_FLAG_TC(N) \ - ((((N) & HV_TRIO_FLAG_TC_RMASK) + 1) << HV_TRIO_FLAG_TC_SHIFT) - -/* Flags indicating virtual functions. */ -#define HV_TRIO_FLAG_VFUNC_SHIFT 8 -#define HV_TRIO_FLAG_VFUNC_RMASK 0xff -#define HV_TRIO_FLAG_VFUNC(N) \ - ((((N) & HV_TRIO_FLAG_VFUNC_RMASK) + 1) << HV_TRIO_FLAG_VFUNC_SHIFT) - - -/* Flag indicating an ordered PIO region. */ -#define HV_TRIO_PIO_FLAG_ORDERED (1 << 16) - -/* Flags indicating special types of PIO regions. */ -#define HV_TRIO_PIO_FLAG_SPACE_SHIFT 17 -#define HV_TRIO_PIO_FLAG_SPACE_MASK (0x3 << HV_TRIO_PIO_FLAG_SPACE_SHIFT) -#define HV_TRIO_PIO_FLAG_CONFIG_SPACE (0x1 << HV_TRIO_PIO_FLAG_SPACE_SHIFT) -#define HV_TRIO_PIO_FLAG_IO_SPACE (0x2 << HV_TRIO_PIO_FLAG_SPACE_SHIFT) - - -#endif /* _SYS_HV_DRV_TRIO_INTF_H */ |