sh: Kill off dead SH7604 support.

This was added during 2.5.x, but was never moved along. This
can easily be resurrected if someone has one they wish to work
with, but it's not worth keeping around in its current form.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

14 files changed, 5 insertions, 338 deletions

diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index aa76167ceb4..6e1e17467a4 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -97,7 +97,6 @@ machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE)	+= se/7300
 machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)	+= se/7343
 machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE)	+= se/73180
 machdir-$(CONFIG_SH_HP6XX)			+= hp6xx
-machdir-$(CONFIG_SH_SATURN)			+= saturn
 machdir-$(CONFIG_SH_DREAMCAST)			+= dreamcast
 machdir-$(CONFIG_SH_MPC1211)			+= mpc1211
 machdir-$(CONFIG_SH_SH03)			+= sh03
diff --git a/arch/sh/boards/saturn/Makefile b/arch/sh/boards/saturn/Makefile
deleted file mode 100644
index 75a3042e252..00000000000
--- a/arch/sh/boards/saturn/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for the Sega Saturn specific parts of the kernel
-#
-
-obj-y	 := setup.o io.o irq.o
-
-obj-$(CONFIG_SMP) += smp.o
-
diff --git a/arch/sh/boards/saturn/io.c b/arch/sh/boards/saturn/io.c
deleted file mode 100644
index c6e4f7f2e68..00000000000
--- a/arch/sh/boards/saturn/io.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * arch/sh/boards/saturn/io.c
- *
- * I/O routines for the Sega Saturn.
- *
- * Copyright (C) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <asm/saturn/io.h>
-#include <asm/machvec.h>
-
-unsigned long saturn_isa_port2addr(unsigned long offset)
-{
-	return offset;
-}
-
-void *saturn_ioremap(unsigned long offset, unsigned long size)
-{
-	return (void *)offset;
-}
-
-void saturn_iounmap(void *addr)
-{
-}
-
diff --git a/arch/sh/boards/saturn/irq.c b/arch/sh/boards/saturn/irq.c
deleted file mode 100644
index 15d1d3f0f78..00000000000
--- a/arch/sh/boards/saturn/irq.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * arch/sh/boards/saturn/irq.c
- *
- * Copyright (C) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-
-/*
- * Interrupts map out as follows:
- *
- *  Vector	Name		Mask
- *
- * 	64	VBLANKIN	0x0001
- * 	65	VBLANKOUT	0x0002
- *	66	HBLANKIN	0x0004
- *	67	TIMER0		0x0008
- *	68	TIMER1		0x0010
- *	69	DSPEND		0x0020
- *	70	SOUNDREQUEST	0x0040
- *	71	SYSTEMMANAGER	0x0080
- *	72	PAD		0x0100
- *	73	LEVEL2DMAEND	0x0200
- *	74	LEVEL1DMAEND	0x0400
- *	75	LEVEL0DMAEND	0x0800
- *	76	DMAILLEGAL	0x1000
- *	77	SRITEDRAWEND	0x2000
- *	78	ABUS		0x8000
- *
- */
-#define SATURN_IRQ_MIN		64	/* VBLANKIN */
-#define SATURN_IRQ_MAX		78	/* ABUS */
-
-#define SATURN_IRQ_MASK		0xbfff
-
-static inline u32 saturn_irq_mask(unsigned int irq_nr)
-{
-	u32 mask;
-
-	mask = (1 << (irq_nr - SATURN_IRQ_MIN));
-	mask <<= (irq_nr == SATURN_IRQ_MAX);
-	mask &= SATURN_IRQ_MASK;
-
-	return mask;
-}
-
-static inline void mask_saturn_irq(unsigned int irq_nr)
-{
-	u32 mask;
-
-	mask = ctrl_inl(SATURN_IMR);
-	mask |= saturn_irq_mask(irq_nr);
-	ctrl_outl(mask, SATURN_IMR);
-}
-
-static inline void unmask_saturn_irq(unsigned int irq_nr)
-{
-	u32 mask;
-
-	mask = ctrl_inl(SATURN_IMR);
-	mask &= ~saturn_irq_mask(irq_nr);
-	ctrl_outl(mask, SATURN_IMR);
-}
-
-static void disable_saturn_irq(unsigned int irq_nr)
-{
-	mask_saturn_irq(irq_nr);
-}
-
-static void enable_saturn_irq(unsigned int irq_nr)
-{
-	unmask_saturn_irq(irq_nr);
-}
-
-static void mask_and_ack_saturn_irq(unsigned int irq_nr)
-{
-	mask_saturn_irq(irq_nr);
-}
-
-static void end_saturn_irq(unsigned int irq_nr)
-{
-	if (!(irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		unmask_saturn_irq(irq_nr);
-}
-
-static unsigned int startup_saturn_irq(unsigned int irq_nr)
-{
-	unmask_saturn_irq(irq_nr);
-
-	return 0;
-}
-
-static void shutdown_saturn_irq(unsigned int irq_nr)
-{
-	mask_saturn_irq(irq_nr);
-}
-
-static struct hw_interrupt_type saturn_int = {
-	.typename	= "Saturn",
-	.enable		= enable_saturn_irq,
-	.disable	= disable_saturn_irq,
-	.ack		= mask_and_ack_saturn_irq,
-	.end		= end_saturn_irq,
-	.startup	= startup_saturn_irq,
-	.shutdown	= shutdown_saturn_irq,
-};
-
-int saturn_irq_demux(int irq_nr)
-{
-	/* FIXME */
-	return irq_nr;
-}
-
diff --git a/arch/sh/boards/saturn/setup.c b/arch/sh/boards/saturn/setup.c
deleted file mode 100644
index 7df4312fbb1..00000000000
--- a/arch/sh/boards/saturn/setup.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* 
- * arch/sh/boards/saturn/setup.c
- *
- * Hardware support for the Sega Saturn.
- *
- * Copyright (c) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <asm/io.h>
-#include <asm/machvec.h>
-#include <asm/mach/io.h>
-
-extern int saturn_irq_demux(int irq_nr);
-
-/*
- * The Machine Vector
- */
-static struct sh_machine_vector mv_saturn __initmv = {
-	.mv_name		= "Sega Saturn",
-	.mv_nr_irqs		= 80,	/* Fix this later */
-
-	.mv_isa_port2addr	= saturn_isa_port2addr,
-	.mv_irq_demux		= saturn_irq_demux,
-
-	.mv_ioremap		= saturn_ioremap,
-	.mv_iounmap		= saturn_iounmap,
-};
diff --git a/arch/sh/boards/saturn/smp.c b/arch/sh/boards/saturn/smp.c
deleted file mode 100644
index 76460918c9c..00000000000
--- a/arch/sh/boards/saturn/smp.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* 
- * arch/sh/boards/saturn/smp.c
- *
- * SMP support for the Sega Saturn.
- *
- * Copyright (c) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-
-#include <asm/saturn/smpc.h>
-
-extern void start_secondary(void);
-
-void __smp_send_ipi(unsigned int cpu, unsigned int action)
-{
-	/* Nothing here yet .. */
-}
-
-unsigned int __smp_probe_cpus(void)
-{
-	/*
-	 * This is just a straightforward master/slave configuration,
-	 * and probing isn't really supported..
-	 */
-	return 2;
-}
-
-/*
- * We're only allowed to do byte-access to SMPC registers. In
- * addition to which, we treat them as write-only, since
- * reading from them will return undefined data.
- */
-static inline void smpc_slave_stop(unsigned int cpu)
-{
-	smpc_barrier();
-	ctrl_outb(1, SMPC_STATUS);
-
-	ctrl_outb(SMPC_CMD_SSHOFF, SMPC_COMMAND);
-	smpc_barrier();
-}
-
-static inline void smpc_slave_start(unsigned int cpu)
-{
-	ctrl_outb(1, SMPC_STATUS);
-	ctrl_outb(SMPC_CMD_SSHON, SMPC_COMMAND);
-
-	smpc_barrier();
-}
-
-void __smp_slave_init(unsigned int cpu)
-{
-	register unsigned long vbr;
-	void **entry;
-
-	__asm__ __volatile__ ("stc vbr, %0\n\t" : "=r" (vbr));
-	entry = (void **)(vbr + 0x310 + 0x94);
-
-	smpc_slave_stop(cpu);
-
-	*(void **)entry = (void *)start_secondary;
-
-	smpc_slave_start(cpu);
-}
-
diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index 108e81b682e..74765ae4292 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -17,15 +17,7 @@
 
 int __init detect_cpu_and_cache_system(void)
 {
-#if defined(CONFIG_CPU_SUBTYPE_SH7604)
-	current_cpu_data.type			= CPU_SH7604;
-	current_cpu_data.dcache.ways		= 4;
-	current_cpu_data.dcache.way_incr	= (1<<10);
-	current_cpu_data.dcache.sets		= 64;
-	current_cpu_data.dcache.entry_shift	= 4;
-	current_cpu_data.dcache.linesz		= L1_CACHE_BYTES;
-	current_cpu_data.dcache.flags		= 0;
-#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
 	current_cpu_data.type			= CPU_SH7619;
 	current_cpu_data.dcache.ways		= 4;
 	current_cpu_data.dcache.way_incr	= (1<<12);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index c2c6bfdf4df..765f83c1bca 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -271,7 +271,7 @@ void __init setup_arch(char **cmdline_p)
 
 static const char *cpu_name[] = {
 	[CPU_SH7206]	= "SH7206",	[CPU_SH7619]	= "SH7619",
-	[CPU_SH7604]	= "SH7604",	[CPU_SH7300]	= "SH7300",
+	[CPU_SH7300]	= "SH7300",
 	[CPU_SH7705]	= "SH7705",	[CPU_SH7706]	= "SH7706",
 	[CPU_SH7707]	= "SH7707",	[CPU_SH7708]	= "SH7708",
 	[CPU_SH7709]	= "SH7709",	[CPU_SH7710]	= "SH7710",
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 0c24abdd4ea..b013a05fbc5 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -45,10 +45,6 @@ choice
 
 # SH-2 Processor Support
 
-config CPU_SUBTYPE_SH7604
-	bool "Support SH7604 processor"
-	select CPU_SH2
-
 config CPU_SUBTYPE_SH7619
 	bool "Support SH7619 processor"
 	select CPU_SH2
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 8ae43f8c085..4b5e9305092 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -18,7 +18,6 @@ SE			SH_SOLUTION_ENGINE
 HP6XX			SH_HP6XX
 HD64461			HD64461
 HD64465			HD64465
-SATURN			SH_SATURN
 DREAMCAST		SH_DREAMCAST
 MPC1211			SH_MPC1211
 SNAPGEAR		SH_SECUREEDGE5410
diff --git a/include/asm-sh/cpu-sh2/cache.h b/include/asm-sh/cpu-sh2/cache.h
index 20b9796842d..f02ba7a672b 100644
--- a/include/asm-sh/cpu-sh2/cache.h
+++ b/include/asm-sh/cpu-sh2/cache.h
@@ -12,23 +12,7 @@
 
 #define L1_CACHE_SHIFT	4
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7604)
-#define CCR		0xfffffe92	/* Address of Cache Control Register */
-
-#define CCR_CACHE_CE	0x01	/* Cache enable */
-#define CCR_CACHE_ID	0x02	/* Instruction Replacement disable */
-#define CCR_CACHE_OD	0x04	/* Data Replacement disable */
-#define CCR_CACHE_TW	0x08	/* Two-way mode */
-#define CCR_CACHE_CP	0x10	/* Cache purge */
-
-#define CACHE_OC_ADDRESS_ARRAY	0x60000000
-
-#define CCR_CACHE_ENABLE	CCR_CACHE_CE
-#define CCR_CACHE_INVALIDATE	CCR_CACHE_CP
-#define CCR_CACHE_ORA		CCR_CACHE_TW
-#define CCR_CACHE_WT		0x00	/* SH-2 is _always_ write-through */
-
-#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
 #define CCR1		0xffffffec
 #define CCR		CCR1
 
@@ -49,5 +33,5 @@
 #define CCR_CACHE_ENABLE	CCR_CACHE_CE
 #define CCR_CACHE_INVALIDATE	CCR_CACHE_CF
 #endif
-#endif /* __ASM_CPU_SH2_CACHE_H */
 
+#endif /* __ASM_CPU_SH2_CACHE_H */
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index d42f68e724f..1fc5eed1b22 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -36,7 +36,7 @@
  */
 enum cpu_type {
 	/* SH-2 types */
-	CPU_SH7604, CPU_SH7619,
+	CPU_SH7619,
 
 	/* SH-2A types */
 	CPU_SH7206,
diff --git a/include/asm-sh/saturn/io.h b/include/asm-sh/saturn/io.h
deleted file mode 100644
index f1b9b5d633f..00000000000
--- a/include/asm-sh/saturn/io.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * include/asm-sh/saturn/io.h
- *
- * I/O functions for use on the Sega Saturn.
- *
- * Copyright (C) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#ifndef __ASM_SH_SATURN_IO_H
-#define __ASM_SH_SATURN_IO_H
-
-/* arch/sh/boards/saturn/io.c */
-extern unsigned long saturn_isa_port2addr(unsigned long offset);
-extern void *saturn_ioremap(unsigned long offset, unsigned long size);
-extern void saturn_iounmap(void *addr);
-
-#endif /* __ASM_SH_SATURN_IO_H */
-
diff --git a/include/asm-sh/saturn/smpc.h b/include/asm-sh/saturn/smpc.h
deleted file mode 100644
index 5de5c12d634..00000000000
--- a/include/asm-sh/saturn/smpc.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * include/asm-sh/saturn/smpc.h
- *
- * System Manager / Peripheral Control definitions.
- *
- * Copyright (C) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#ifndef __ASM_SH_SATURN_SMPC_H
-#define __ASM_SH_SATURN_SMPC_H
-
-#include <asm/io.h>
-
-#define SMPC_COMMAND	0x2010001f	/* SMPC command register */
-#define SMPC_RESULT	0x2010005f	/* SMPC result register */
-#define SMPC_STATUS	0x20100063	/* SMPC status register */
-
-#define SMPC_CMD_MSHON	0x0001		/* Master SH On */
-#define SMPC_CMD_SSHON	0x0002		/* Slave SH On */
-#define SMPC_CMD_SSHOFF	0x0003		/* Slave SH Off */
-#define SMPC_CMD_SNDON	0x0004		/* Sound On */
-#define SMPC_CMD_SNDOFF	0x0005		/* Sound Off */
-#define SMPC_CMD_CDON	0x0006		/* CD On */
-#define SMPC_CMD_CDOFF	0x0007		/* CD Off */
-
-static inline void smpc_barrier(void)
-{
-	while ((ctrl_inb(SMPC_STATUS) & 0x0001) == 0x0001)
-		;
-}
-
-#endif /* __ASM_SH_SATURN_SMPC_H */
-