forked from luck/tmp_suning_uos_patched
65fddcfca8
The replacement of <asm/pgrable.h> with <linux/pgtable.h> made the include
of the latter in the middle of asm includes. Fix this up with the aid of
the below script and manual adjustments here and there.
import sys
import re
if len(sys.argv) is not 3:
print "USAGE: %s <file> <header>" % (sys.argv[0])
sys.exit(1)
hdr_to_move="#include <linux/%s>" % sys.argv[2]
moved = False
in_hdrs = False
with open(sys.argv[1], "r") as f:
lines = f.readlines()
for _line in lines:
line = _line.rstrip('
')
if line == hdr_to_move:
continue
if line.startswith("#include <linux/"):
in_hdrs = True
elif not moved and in_hdrs:
moved = True
print hdr_to_move
print line
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Cain <bcain@codeaurora.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Guo Ren <guoren@kernel.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/20200514170327.31389-4-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992 Linus Torvalds
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* Copyright (C) 1994 - 2001, 2003, 07 Ralf Baechle
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*/
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#include <linux/clockchips.h>
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#include <linux/i8253.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/smp.h>
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#include <linux/spinlock.h>
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#include <linux/irq.h>
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#include <linux/pgtable.h>
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#include <asm/irq_cpu.h>
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#include <asm/i8259.h>
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#include <asm/io.h>
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#include <asm/jazz.h>
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#include <asm/tlbmisc.h>
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static DEFINE_RAW_SPINLOCK(r4030_lock);
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static void enable_r4030_irq(struct irq_data *d)
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{
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unsigned int mask = 1 << (d->irq - JAZZ_IRQ_START);
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unsigned long flags;
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raw_spin_lock_irqsave(&r4030_lock, flags);
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mask |= r4030_read_reg16(JAZZ_IO_IRQ_ENABLE);
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r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, mask);
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raw_spin_unlock_irqrestore(&r4030_lock, flags);
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}
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void disable_r4030_irq(struct irq_data *d)
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{
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unsigned int mask = ~(1 << (d->irq - JAZZ_IRQ_START));
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unsigned long flags;
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raw_spin_lock_irqsave(&r4030_lock, flags);
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mask &= r4030_read_reg16(JAZZ_IO_IRQ_ENABLE);
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r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, mask);
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raw_spin_unlock_irqrestore(&r4030_lock, flags);
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}
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static struct irq_chip r4030_irq_type = {
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.name = "R4030",
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.irq_mask = disable_r4030_irq,
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.irq_unmask = enable_r4030_irq,
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};
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void __init init_r4030_ints(void)
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{
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int i;
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for (i = JAZZ_IRQ_START; i <= JAZZ_IRQ_END; i++)
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irq_set_chip_and_handler(i, &r4030_irq_type, handle_level_irq);
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r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, 0);
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r4030_read_reg16(JAZZ_IO_IRQ_SOURCE); /* clear pending IRQs */
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r4030_read_reg32(JAZZ_R4030_INVAL_ADDR); /* clear error bits */
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}
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/*
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* On systems with i8259-style interrupt controllers we assume for
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* driver compatibility reasons interrupts 0 - 15 to be the i8259
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* interrupts even if the hardware uses a different interrupt numbering.
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*/
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void __init arch_init_irq(void)
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{
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/*
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* this is a hack to get back the still needed wired mapping
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* killed by init_mm()
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*/
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/* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
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add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
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/* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
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add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
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/* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
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add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
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init_i8259_irqs(); /* Integrated i8259 */
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mips_cpu_irq_init();
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init_r4030_ints();
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change_c0_status(ST0_IM, IE_IRQ2 | IE_IRQ1);
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}
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asmlinkage void plat_irq_dispatch(void)
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{
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unsigned int pending = read_c0_cause() & read_c0_status();
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unsigned int irq;
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if (pending & IE_IRQ4) {
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r4030_read_reg32(JAZZ_TIMER_REGISTER);
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do_IRQ(JAZZ_TIMER_IRQ);
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} else if (pending & IE_IRQ2) {
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irq = *(volatile u8 *)JAZZ_EISA_IRQ_ACK;
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do_IRQ(irq);
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} else if (pending & IE_IRQ1) {
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irq = *(volatile u8 *)JAZZ_IO_IRQ_SOURCE >> 2;
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if (likely(irq > 0))
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do_IRQ(irq + JAZZ_IRQ_START - 1);
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else
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panic("Unimplemented loc_no_irq handler");
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}
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}
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struct clock_event_device r4030_clockevent = {
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.name = "r4030",
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.features = CLOCK_EVT_FEAT_PERIODIC,
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.rating = 300,
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.irq = JAZZ_TIMER_IRQ,
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};
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static irqreturn_t r4030_timer_interrupt(int irq, void *dev_id)
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{
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struct clock_event_device *cd = dev_id;
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cd->event_handler(cd);
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return IRQ_HANDLED;
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}
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void __init plat_time_init(void)
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{
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struct clock_event_device *cd = &r4030_clockevent;
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unsigned int cpu = smp_processor_id();
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BUG_ON(HZ != 100);
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cd->cpumask = cpumask_of(cpu);
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clockevents_register_device(cd);
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if (request_irq(JAZZ_TIMER_IRQ, r4030_timer_interrupt, IRQF_TIMER,
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"R4030 timer", cd))
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pr_err("Failed to register R4030 timer interrupt\n");
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/*
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* Set clock to 100Hz.
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*
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* The R4030 timer receives an input clock of 1kHz which is divieded by
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* a programmable 4-bit divider. This makes it fairly inflexible.
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*/
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r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9);
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setup_pit_timer();
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}
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