mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0db38cea69
These fixups seem to have bitrotted a bit since their introduction in the 2.4 days. As we never had much use for them in the first place, and nothing is using them any more, kill them off the rest of the way. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
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* Support functions for the SH5 PCI hardware.
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*
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* Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
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* Copyright (C) 2003, 2004 Paul Mundt
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* Copyright (C) 2004 Richard Curnow
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*
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* May be copied or modified under the terms of the GNU General Public
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* License. See linux/COPYING for more information.
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*/
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#include <linux/kernel.h>
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#include <linux/rwsem.h>
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#include <linux/smp.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <linux/types.h>
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#include <linux/irq.h>
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#include <asm/pci.h>
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#include <asm/io.h>
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#include "pci-sh5.h"
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static int sh5pci_read(struct pci_bus *bus, unsigned int devfn, int where,
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int size, u32 *val)
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{
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SH5PCI_WRITE(PAR, CONFIG_CMD(bus, devfn, where));
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switch (size) {
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case 1:
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*val = (u8)SH5PCI_READ_BYTE(PDR + (where & 3));
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break;
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case 2:
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*val = (u16)SH5PCI_READ_SHORT(PDR + (where & 2));
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break;
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case 4:
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*val = SH5PCI_READ(PDR);
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break;
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}
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return PCIBIOS_SUCCESSFUL;
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}
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static int sh5pci_write(struct pci_bus *bus, unsigned int devfn, int where,
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int size, u32 val)
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{
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SH5PCI_WRITE(PAR, CONFIG_CMD(bus, devfn, where));
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switch (size) {
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case 1:
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SH5PCI_WRITE_BYTE(PDR + (where & 3), (u8)val);
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break;
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case 2:
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SH5PCI_WRITE_SHORT(PDR + (where & 2), (u16)val);
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break;
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case 4:
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SH5PCI_WRITE(PDR, val);
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break;
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}
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return PCIBIOS_SUCCESSFUL;
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}
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struct pci_ops sh5_pci_ops = {
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.read = sh5pci_read,
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.write = sh5pci_write,
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};
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