cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/asm/netlogic/xlp-hal/pcibus.h

/*
 * Copyright (c) 2003-2012 Broadcom Corporation
 * All Rights Reserved
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the Broadcom
 * license below:
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY BROADCOM ``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 BROADCOM OR CONTRIBUTORS 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.
 */

#ifndef __NLM_HAL_PCIBUS_H__

#define __NLM_HAL_PCIBUS_H__

/* PCIE Memory and IO regions */

#define PCIE_MEM_BASE			0xd0000000ULL

#define PCIE_MEM_LIMIT			0xdfffffffULL

#define PCIE_IO_BASE			0x14000000ULL

#define PCIE_IO_LIMIT			0x15ffffffULL


#define PCIE_BRIDGE_CMD			0x1

#define PCIE_BRIDGE_MSI_CAP		0x14

#define PCIE_BRIDGE_MSI_ADDRL		0x15

#define PCIE_BRIDGE_MSI_ADDRH		0x16

#define PCIE_BRIDGE_MSI_DATA		0x17

/* XLP Global PCIE configuration space registers */

#define PCIE_BYTE_SWAP_MEM_BASE		0x247

#define PCIE_BYTE_SWAP_MEM_LIM		0x248

#define PCIE_BYTE_SWAP_IO_BASE		0x249

#define PCIE_BYTE_SWAP_IO_LIM		0x24A


#define PCIE_BRIDGE_MSIX_ADDR_BASE	0x24F

#define PCIE_BRIDGE_MSIX_ADDR_LIMIT	0x250

#define PCIE_MSI_STATUS			0x25A

#define PCIE_MSI_EN			0x25B

#define PCIE_MSIX_STATUS		0x25D

#define PCIE_INT_STATUS0		0x25F

#define PCIE_INT_STATUS1		0x260

#define PCIE_INT_EN0			0x261

#define PCIE_INT_EN1			0x262

/* XLP9XX has basic changes */

#define PCIE_9XX_BYTE_SWAP_MEM_BASE	0x25c

#define PCIE_9XX_BYTE_SWAP_MEM_LIM	0x25d

#define PCIE_9XX_BYTE_SWAP_IO_BASE	0x25e

#define PCIE_9XX_BYTE_SWAP_IO_LIM	0x25f


#define PCIE_9XX_BRIDGE_MSIX_ADDR_BASE	0x264

#define PCIE_9XX_BRIDGE_MSIX_ADDR_LIMIT	0x265

#define PCIE_9XX_MSI_STATUS		0x283

#define PCIE_9XX_MSI_EN			0x284
/* 128 MSIX vectors available in 9xx */

#define PCIE_9XX_MSIX_STATUS0		0x286

#define PCIE_9XX_MSIX_STATUSX(n)	(n + 0x286)

#define PCIE_9XX_MSIX_VEC		0x296

#define PCIE_9XX_MSIX_VECX(n)		(n + 0x296)

#define PCIE_9XX_INT_STATUS0		0x397

#define PCIE_9XX_INT_STATUS1		0x398

#define PCIE_9XX_INT_EN0		0x399

#define PCIE_9XX_INT_EN1		0x39a

/* other */

#define PCIE_NLINKS			4

/* MSI addresses */

#define MSI_ADDR_BASE			0xfffee00000ULL

#define MSI_ADDR_SZ			0x10000

#define MSI_LINK_ADDR(n, l)		(MSI_ADDR_BASE + \
                                (PCIE_NLINKS * (n) + (l)) * MSI_ADDR_SZ)

#define MSIX_ADDR_BASE			0xfffef00000ULL

#define MSIX_LINK_ADDR(n, l)		(MSIX_ADDR_BASE + \
                                (PCIE_NLINKS * (n) + (l)) * MSI_ADDR_SZ)
#ifndef __ASSEMBLY__


#define nlm_read_pcie_reg(b, r)		nlm_read_reg(b, r)

#define nlm_write_pcie_reg(b, r, v)	nlm_write_reg(b, r, v)

#define nlm_get_pcie_base(node, inst)	nlm_pcicfg_base(cpu_is_xlp9xx() ? \
        XLP9XX_IO_PCIE_OFFSET(node, inst) : XLP_IO_PCIE_OFFSET(node, inst))

#ifdef CONFIG_PCI_MSI
void xlp_init_node_msi_irqs(int node, int link);
#else

static inline void xlp_init_node_msi_irqs(int node, int link) {}

Contributors

PersonTokensPropCommitsCommitProp
Jayachandran C866.67%150.00%
Ganesan Ramalingam433.33%150.00%
Total12100.00%2100.00%

#endif struct pci_dev *xlp_get_pcie_link(const struct pci_dev *dev); #endif #endif /* __NLM_HAL_PCIBUS_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Ganesan Ramalingam17762.54%250.00%
Jayachandran C10637.46%250.00%
Total283100.00%4100.00%
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