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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/* $Id: ebus.h,v 1.2 1999/09/11 23:05:55 zaitcev Exp $
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* ebus.h: PCI to Ebus pseudo driver software state.
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*
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* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
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*
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* Adopted for sparc by V. Roganov and G. Raiko.
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*/
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#ifndef __SPARC_EBUS_H
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#define __SPARC_EBUS_H
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#ifndef _LINUX_IOPORT_H
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#include <linux/ioport.h>
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#endif
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#include <asm/oplib.h>
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#include <asm/prom.h>
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#include <asm/of_device.h>
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struct linux_ebus_child {
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struct linux_ebus_child *next;
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struct linux_ebus_device *parent;
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struct linux_ebus *bus;
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struct device_node *prom_node;
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struct resource resource[PROMREG_MAX];
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int num_addrs;
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unsigned int irqs[PROMINTR_MAX];
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int num_irqs;
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};
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struct linux_ebus_device {
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struct of_device ofdev;
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struct linux_ebus_device *next;
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struct linux_ebus_child *children;
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struct linux_ebus *bus;
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struct device_node *prom_node;
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struct resource resource[PROMREG_MAX];
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int num_addrs;
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unsigned int irqs[PROMINTR_MAX];
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int num_irqs;
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};
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#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
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struct linux_ebus {
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struct of_device ofdev;
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struct linux_ebus *next;
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struct linux_ebus_device *devices;
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struct linux_pbm_info *parent;
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struct pci_dev *self;
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struct device_node *prom_node;
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};
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#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
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struct linux_ebus_dma {
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unsigned int dcsr;
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unsigned int dacr;
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unsigned int dbcr;
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};
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#define EBUS_DCSR_INT_PEND 0x00000001
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#define EBUS_DCSR_ERR_PEND 0x00000002
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#define EBUS_DCSR_DRAIN 0x00000004
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#define EBUS_DCSR_INT_EN 0x00000010
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#define EBUS_DCSR_RESET 0x00000080
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#define EBUS_DCSR_WRITE 0x00000100
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#define EBUS_DCSR_EN_DMA 0x00000200
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#define EBUS_DCSR_CYC_PEND 0x00000400
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#define EBUS_DCSR_DIAG_RD_DONE 0x00000800
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#define EBUS_DCSR_DIAG_WR_DONE 0x00001000
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#define EBUS_DCSR_EN_CNT 0x00002000
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#define EBUS_DCSR_TC 0x00004000
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#define EBUS_DCSR_DIS_CSR_DRN 0x00010000
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#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000
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#define EBUS_DCSR_BURST_SZ_1 0x00080000
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#define EBUS_DCSR_BURST_SZ_4 0x00000000
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#define EBUS_DCSR_BURST_SZ_8 0x00040000
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#define EBUS_DCSR_BURST_SZ_16 0x000c0000
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#define EBUS_DCSR_DIAG_EN 0x00100000
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#define EBUS_DCSR_DIS_ERR_PEND 0x00400000
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#define EBUS_DCSR_TCI_DIS 0x00800000
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#define EBUS_DCSR_EN_NEXT 0x01000000
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#define EBUS_DCSR_DMA_ON 0x02000000
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#define EBUS_DCSR_A_LOADED 0x04000000
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#define EBUS_DCSR_NA_LOADED 0x08000000
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#define EBUS_DCSR_DEV_ID_MASK 0xf0000000
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extern struct linux_ebus *ebus_chain;
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extern void ebus_init(void);
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#define for_each_ebus(bus) \
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for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
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#define for_each_ebusdev(dev, bus) \
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for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
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#define for_each_edevchild(dev, child) \
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for((child) = (dev)->children; (child); (child) = (child)->next)
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#endif /* !(__SPARC_EBUS_H) */
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