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Commit 8698cff8 authored by Russell King's avatar Russell King
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[ARM] Tidy up Integrator core support. 

This merges arch.c, irq.c and mm.c into one core file for this
platform; it's pointless keeping these separate.
parent 4f00f1c2
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Showing with 72 additions and 126 deletions
arch/arm/mach-integrator/Makefile
View file @ 8698cff8
......@@ -4,10 +4,7 @@
# Object file lists.
obj-y := arch.o irq.o mm.o time.o
obj-m :=
obj-n :=
obj- :=
obj-y := core.o time.o
obj-$(CONFIG_LEDS) += leds.o
obj-$(CONFIG_PCI) += pci_v3.o pci.o
......
arch/arm/mach-integrator/arch.c deleted 100644 → 0
View file @ 4f00f1c2
/*
* linux/arch/arm/mach-integrator/arch.c
*
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/init.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
extern void integrator_map_io(void);
extern void integrator_init_irq(void);
MACHINE_START(INTEGRATOR, "ARM-Integrator")
MAINTAINER("ARM Ltd/Deep Blue Solutions Ltd")
BOOT_MEM(0x00000000, 0x16000000, 0xf1600000)
BOOT_PARAMS(0x00000100)
MAPIO(integrator_map_io)
INITIRQ(integrator_init_irq)
MACHINE_END
arch/arm/mach-integrator/mm.c → arch/arm/mach-integrator/core.c
View file @ 8698cff8
/*
* linux/arch/arm/mach-integrator/mm.c
* linux/arch/arm/mach-integrator/arch.c
*
* Extra MM routines for the ARM Integrator board
*
* Copyright (C) 1999,2000 Arm Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
......@@ -20,14 +17,35 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/map.h>
/*
* All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx
* is the (PA >> 12).
*
* Setup a VA for the Integrator interrupt controller (for header #0,
* just for now).
*/
#define VA_IC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE)
#define VA_CMIC_BASE IO_ADDRESS(INTEGRATOR_HDR_BASE) + INTEGRATOR_HDR_IC_OFFSET
/*
* Logical Physical
* e8000000 40000000 PCI memory PHYS_PCI_MEM_BASE (max 512M)
......@@ -64,7 +82,54 @@ static struct map_desc integrator_io_desc[] __initdata = {
{ PCI_IO_VADDR, PHYS_PCI_IO_BASE, SZ_64K, MT_DEVICE }
};
void __init integrator_map_io(void)
static void __init integrator_map_io(void)
{
iotable_init(integrator_io_desc, ARRAY_SIZE(integrator_io_desc));
}
#define ALLPCI ( (1 << IRQ_PCIINT0) | (1 << IRQ_PCIINT1) | (1 << IRQ_PCIINT2) | (1 << IRQ_PCIINT3) )
static void sc_mask_irq(unsigned int irq)
{
writel(1 << irq, VA_IC_BASE + IRQ_ENABLE_CLEAR);
}
static void sc_unmask_irq(unsigned int irq)
{
writel(1 << irq, VA_IC_BASE + IRQ_ENABLE_SET);
}
static struct irqchip sc_chip = {
.ack = sc_mask_irq,
.mask = sc_mask_irq,
.unmask = sc_unmask_irq,
};
static void __init integrator_init_irq(void)
{
unsigned int i;
/* Disable all interrupts initially. */
/* Do the core module ones */
writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR);
/* do the header card stuff next */
writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR);
writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR);
for (i = 0; i < NR_IRQS; i++) {
if (((1 << i) && INTEGRATOR_SC_VALID_INT) != 0) {
set_irq_chip(i, &sc_chip);
set_irq_handler(i, do_level_IRQ);
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
}
}
}
MACHINE_START(INTEGRATOR, "ARM-Integrator")
MAINTAINER("ARM Ltd/Deep Blue Solutions Ltd")
BOOT_MEM(0x00000000, 0x16000000, 0xf1600000)
BOOT_PARAMS(0x00000100)
MAPIO(integrator_map_io)
INITIRQ(integrator_init_irq)
MACHINE_END
arch/arm/mach-integrator/irq.c deleted 100644 → 0
View file @ 4f00f1c2
/*
* linux/arch/arm/mach-integrator/irq.c
*
* Copyright (C) 1999 ARM Limited
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/list.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/mach/irq.h>
/*
* All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx
* is the (PA >> 12).
*
* Setup a VA for the Integrator interrupt controller (for header #0,
* just for now).
*/
#define VA_IC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE)
#define VA_CMIC_BASE IO_ADDRESS(INTEGRATOR_HDR_BASE) + INTEGRATOR_HDR_IC_OFFSET
#define ALLPCI ( (1 << IRQ_PCIINT0) | (1 << IRQ_PCIINT1) | (1 << IRQ_PCIINT2) | (1 << IRQ_PCIINT3) )
static void sc_mask_irq(unsigned int irq)
{
__raw_writel(1 << irq, VA_IC_BASE + IRQ_ENABLE_CLEAR);
}
static void sc_unmask_irq(unsigned int irq)
{
__raw_writel(1 << irq, VA_IC_BASE + IRQ_ENABLE_SET);
}
static struct irqchip sc_chip = {
.ack = sc_mask_irq,
.mask = sc_mask_irq,
.unmask = sc_unmask_irq,
};
void __init integrator_init_irq(void)
{
unsigned int i;
/* Disable all interrupts initially. */
/* Do the core module ones */
__raw_writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR);
/* do the header card stuff next */
__raw_writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR);
__raw_writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR);
for (i = 0; i < NR_IRQS; i++) {
if (((1 << i) && INTEGRATOR_SC_VALID_INT) != 0) {
set_irq_chip(i, &sc_chip);
set_irq_handler(i, do_level_IRQ);
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
}
}
}
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