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sh: Get the mach-cayman IRQ support building. 

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2007-11-21 23:16:33 +09:00
parent caead5ef34
commit 18bc81319b
10 changed files with 43 additions and 244 deletions
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1
arch/sh/kernel/cpu/irq/Makefile
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@ -4,5 +4,6 @@
obj-y += intc.o obj-y += intc.o
obj-$(CONFIG_SUPERH32) += imask.o obj-$(CONFIG_SUPERH32) += imask.o
obj-$(CONFIG_CPU_SH5) += intc-sh5.o
obj-$(CONFIG_CPU_HAS_IPR_IRQ) += ipr.o obj-$(CONFIG_CPU_HAS_IPR_IRQ) += ipr.o
obj-$(CONFIG_CPU_HAS_MASKREG_IRQ) += maskreg.o obj-$(CONFIG_CPU_HAS_MASKREG_IRQ) += maskreg.o

23
arch/sh64/kernel/irq_intc.c → arch/sh/kernel/cpu/irq/intc-sh5.c
View File

@ -14,21 +14,14 @@
* controller. * controller.
* *
*/ */
#include <linux/init.h> #include <linux/init.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/io.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/stddef.h> #include <linux/bitops.h>
#include <linux/bitops.h> /* this includes also <asm/registers.h */ #include <asm/cpu/irq.h>
/* which is required to remap register */
/* names used into __asm__ blocks... */
#include <asm/hardware.h>
#include <asm/platform.h>
#include <asm/page.h> #include <asm/page.h>
#include <asm/io.h>
#include <asm/irq.h>
/* /*
* Maybe the generic Peripheral block could move to a more * Maybe the generic Peripheral block could move to a more
@ -192,7 +185,7 @@ int intc_irq_describe(char* p, int irq)
} }
#endif #endif
void __init init_IRQ(void) void __init plat_irq_setup(void)
{ {
unsigned long long __dummy0, __dummy1=~0x00000000100000f0; unsigned long long __dummy0, __dummy1=~0x00000000100000f0;
unsigned long reg; unsigned long reg;
@ -251,14 +244,6 @@ void __init init_IRQ(void)
} }
} }
#ifdef CONFIG_SH_CAYMAN
{
extern void init_cayman_irq(void);
init_cayman_irq();
}
#endif
/* /*
* And now let interrupts come in. * And now let interrupts come in.
* sti() is not enough, we need to * sti() is not enough, we need to

4
arch/sh/kernel/cpu/sh5/Makefile
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@ -5,7 +5,3 @@ obj-y := entry.o probe.o switchto.o
obj-$(CONFIG_SH_FPU) += fpu.o obj-$(CONFIG_SH_FPU) += fpu.o
obj-$(CONFIG_KALLSYMS) += unwind.o obj-$(CONFIG_KALLSYMS) += unwind.o
# CPU subtype setup
obj-$(CONFIG_CPU_SUBTYPE_SH5_101) += setup-sh5-101.o
obj-$(CONFIG_CPU_SUBTYPE_SH5_103) += setup-sh5-101.o

15
arch/sh/kernel/cpu/sh5/setup-sh5-101.c
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@ -1,15 +0,0 @@
/*
* SH5-101 Setup
*
* Copyright (C) 2007 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
void __init plat_irq_setup(void)
{
/* do nothing - all IRL interrupts are handled by the board code */
}

8
arch/sh/mach-cayman/Makefile
View File

@ -1,11 +1,5 @@
# #
# Makefile for the Hitachi Cayman specific parts of the kernel # Makefile for the Hitachi Cayman specific parts of the kernel
# #
# Note! Dependencies are done automagically by 'make dep', which also obj-y := setup.o irq.o
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).
#
obj-y := setup.o irq.o iomap.o
obj-$(CONFIG_HEARTBEAT) += led.o obj-$(CONFIG_HEARTBEAT) += led.o

22
arch/sh/mach-cayman/iomap.c
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@ -1,22 +0,0 @@
/*
* arch/sh64/mach-cayman/iomap.c
*
* Cayman iomap interface
*
* Copyright (C) 2004 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <asm/io.h>
#include <asm/cayman.h>
void __iomem *ioport_map(unsigned long port, unsigned int len)
{
if (port < 0x400)
return (void __iomem *)((port << 2) | smsc_superio_virt);
return (void __iomem *)port;
}

26
arch/sh/mach-cayman/irq.c
View File

@ -1,24 +1,26 @@
/* /*
* This file is subject to the terms and conditions of the GNU General Public * arch/sh/mach-cayman/irq.c - SH-5 Cayman Interrupt Support
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* arch/sh64/kernel/irq_cayman.c
*
* SH-5 Cayman Interrupt Support
* *
* This file handles the board specific parts of the Cayman interrupt system * This file handles the board specific parts of the Cayman interrupt system
* *
* Copyright (C) 2002 Stuart Menefy * Copyright (C) 2002 Stuart Menefy
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/ */
#include <linux/io.h>
#include <asm/irq.h>
#include <asm/page.h>
#include <asm/io.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/signal.h> #include <linux/signal.h>
#include <asm/cayman.h> #include <asm/cpu/irq.h>
#include <asm/page.h>
/* Setup for the SMSC FDC37C935 / LAN91C100FD */
#define SMSC_IRQ IRQ_IRL1
/* Setup for PCI Bus 2, which transmits interrupts via the EPLD */
#define PCI2_IRQ IRQ_IRL3
unsigned long epld_virt; unsigned long epld_virt;

96
arch/sh/mach-cayman/setup.c
View File

@ -1,28 +1,19 @@
/* /*
* This file is subject to the terms and conditions of the GNU General Public * arch/sh/mach-cayman/setup.c
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* arch/sh64/mach-cayman/setup.c
* *
* SH5 Cayman support * SH5 Cayman support
* *
* This file handles the architecture-dependent parts of initialization * Copyright (C) 2002 David J. Mckay & Benedict Gaster
* Copyright (C) 2003 - 2007 Paul Mundt
* *
* Copyright David J. Mckay. * This file is subject to the terms and conditions of the GNU General Public
* Needs major work! * License. See the file "COPYING" in the main directory of this archive
* * for more details.
* benedict.gaster@superh.com: 3rd May 2002
* Added support for ramdisk, removing statically linked romfs at the same time.
*
* lethal@linux-sh.org: 15th May 2003
* Use the generic procfs cpuinfo interface, just return a valid board name.
*/ */
#include <linux/init.h> #include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <asm/platform.h> #include <asm/cpu/irq.h>
#include <asm/irq.h>
#include <asm/io.h>
/* /*
* Platform Dependent Interrupt Priorities. * Platform Dependent Interrupt Priorities.
@ -96,42 +87,6 @@
unsigned long smsc_superio_virt; unsigned long smsc_superio_virt;
/*
* Platform dependent structures: maps and parms block.
*/
struct resource io_resources[] = {
/* To be updated with external devices */
};
struct resource kram_resources[] = {
/* These must be last in the array */
{ .name = "Kernel code", .start = 0, .end = 0 },
/* These must be last in the array */
{ .name = "Kernel data", .start = 0, .end = 0 }
};
struct resource xram_resources[] = {
/* To be updated with external devices */
};
struct resource rom_resources[] = {
/* To be updated with external devices */
};
struct sh64_platform platform_parms = {
.readonly_rootfs = 1,
.initial_root_dev = 0x0100,
.loader_type = 1,
.io_res_p = io_resources,
.io_res_count = ARRAY_SIZE(io_resources),
.kram_res_p = kram_resources,
.kram_res_count = ARRAY_SIZE(kram_resources),
.xram_res_p = xram_resources,
.xram_res_count = ARRAY_SIZE(xram_resources),
.rom_res_p = rom_resources,
.rom_res_count = ARRAY_SIZE(rom_resources),
};
int platform_int_priority[NR_INTC_IRQS] = { int platform_int_priority[NR_INTC_IRQS] = {
IR0, IR1, IR2, IR3, PCA, PCB, PCC, PCD, /* IRQ 0- 7 */ IR0, IR1, IR2, IR3, PCA, PCB, PCC, PCD, /* IRQ 0- 7 */
RES, RES, RES, RES, SER, ERR, PW3, PW2, /* IRQ 8-15 */ RES, RES, RES, RES, SER, ERR, PW3, PW2, /* IRQ 8-15 */
@ -210,30 +165,23 @@ static int __init smsc_superio_setup(void)
return 0; return 0;
} }
/* This is grotty, but, because kernel is always referenced on the link line
* before any devices, this is safe.
*/
__initcall(smsc_superio_setup); __initcall(smsc_superio_setup);
void __init platform_setup(void) static void __iomem *cayman_ioport_map(unsigned long port, unsigned int len)
{ {
/* Cayman platform leaves the decision to head.S, for now */ if (port < 0x400) {
platform_parms.fpu_flags = fpu_in_use; extern unsigned long smsc_superio_virt;
return (void __iomem *)((port << 2) | smsc_superio_virt);
}
return (void __iomem *)port;
} }
void __init platform_monitor(void) extern void init_cayman_irq(void);
{
/* Nothing yet .. */
}
void __init platform_reserve(void)
{
/* Nothing yet .. */
}
const char *get_system_type(void)
{
return "Hitachi Cayman";
}
static struct sh_machine_vector mv_cayman __initmv = {
.mv_name = "Hitachi Cayman",
.mv_nr_irqs = 64,
.mv_ioport_map = cayman_ioport_map,
.mv_init_irq = init_cayman_irq,
};

28
include/asm-sh/cpu-sh5/irq.h
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@ -92,9 +92,6 @@
#define NR_EXT_IRQS 0 #define NR_EXT_IRQS 0
#endif #endif
#define NR_IRQS (NR_INTC_IRQS+NR_EXT_IRQS)
/* Default IRQs, fixed */ /* Default IRQs, fixed */
#define TIMER_IRQ IRQ_TUNI0 #define TIMER_IRQ IRQ_TUNI0
#define RTC_IRQ IRQ_CUI #define RTC_IRQ IRQ_CUI
@ -116,29 +113,6 @@
extern int intc_evt_to_irq[(0xE20/0x20)+1]; extern int intc_evt_to_irq[(0xE20/0x20)+1];
int intc_irq_describe(char* p, int irq); int intc_irq_describe(char* p, int irq);
extern int platform_int_priority[NR_INTC_IRQS];
#define irq_canonicalize(irq) (irq)
#ifdef CONFIG_SH_CAYMAN
int cayman_irq_demux(int evt);
int cayman_irq_describe(char* p, int irq);
#define irq_demux(x) cayman_irq_demux(x)
#define irq_describe(p, x) cayman_irq_describe(p, x)
#else
#define irq_demux(x) (intc_evt_to_irq[x])
#define irq_describe(p, x) intc_irq_describe(p, x)
#endif
/*
* Function for "on chip support modules".
*/
/*
* SH-5 supports Priority based interrupts only.
* Interrupt priorities are defined at platform level.
*/
#define set_ipr_data(a, b, c, d)
#define make_ipr_irq(a)
#define make_imask_irq(a)
#endif /* __ASM_SH64_IRQ_H */ #endif /* __ASM_SH64_IRQ_H */

64
include/asm-sh/platform.h
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@ -1,64 +0,0 @@
#ifndef __ASM_SH64_PLATFORM_H
#define __ASM_SH64_PLATFORM_H
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* include/asm-sh64/platform.h
*
* Copyright (C) 2000, 2001 Paolo Alberelli
*
* benedict.gaster@superh.com: 3rd May 2002
* Added support for ramdisk, removing statically linked romfs at the same time.
*/
#include <linux/ioport.h>
#include <asm/irq.h>
/*
* Platform definition structure.
*/
struct sh64_platform {
unsigned int readonly_rootfs;
unsigned int ramdisk_flags;
unsigned int initial_root_dev;
unsigned int loader_type;
unsigned int initrd_start;
unsigned int initrd_size;
unsigned int fpu_flags;
unsigned int io_res_count;
unsigned int kram_res_count;
unsigned int xram_res_count;
unsigned int rom_res_count;
struct resource *io_res_p;
struct resource *kram_res_p;
struct resource *xram_res_p;
struct resource *rom_res_p;
};
extern struct sh64_platform platform_parms;
extern unsigned long long memory_start, memory_end;
extern unsigned long long fpu_in_use;
extern int platform_int_priority[NR_INTC_IRQS];
#define FPU_FLAGS (platform_parms.fpu_flags)
#define STANDARD_IO_RESOURCES (platform_parms.io_res_count)
#define STANDARD_KRAM_RESOURCES (platform_parms.kram_res_count)
#define STANDARD_XRAM_RESOURCES (platform_parms.xram_res_count)
#define STANDARD_ROM_RESOURCES (platform_parms.rom_res_count)
/*
* Kernel Memory description, Respectively:
* code = last but one memory descriptor
* data = last memory descriptor
*/
#define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2])
#define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1])
#endif /* __ASM_SH64_PLATFORM_H */