sh: sh3: Remove CPU support

This CPU core is old, no boards using the CPU are left in mainline,
it has no prospects of ever being converted to DM, drop it.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Chris Brandt <chris.brandt@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: Yoshihiro Shimoda <shimoda.yoshihiro.uh@renesas.com>

5 files changed, 0 insertions, 142 deletions

diff --git a/arch/sh/cpu/sh3/Makefile b/arch/sh/cpu/sh3/Makefile
deleted file mode 100644
index 24aca92..0000000
--- a/arch/sh/cpu/sh3/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0+
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2007
-# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
-#
-# (C) Copyright 2007
-# Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
-
-obj-y	= cpu.o interrupts.o watchdog.o
diff --git a/arch/sh/cpu/sh3/config.mk b/arch/sh/cpu/sh3/config.mk
deleted file mode 100644
index e13ee12..0000000
--- a/arch/sh/cpu/sh3/config.mk
+++ /dev/null
@@ -1,12 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0+
-#
-# (C) Copyright 2000-2004
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2007
-# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
-#
-# (C) Copyright 2007
-# Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
-#
-PLATFORM_CPPFLAGS += -m3
diff --git a/arch/sh/cpu/sh3/cpu.c b/arch/sh/cpu/sh3/cpu.c
deleted file mode 100644
index 98121c7..0000000
--- a/arch/sh/cpu/sh3/cpu.c
+++ /dev/null
@@ -1,67 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2007
- * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- *
- * (C) Copyright 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/processor.h>
-
-int checkcpu(void)
-{
-	puts("CPU: SH3\n");
-	return 0;
-}
-
-int cpu_init(void)
-{
-	return 0;
-}
-
-int cleanup_before_linux(void)
-{
-	disable_interrupts();
-	return 0;
-}
-
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	disable_interrupts();
-	reset_cpu(0);
-	return 0;
-}
-
-void flush_cache(unsigned long addr, unsigned long size)
-{
-
-}
-
-void icache_enable(void)
-{
-}
-
-void icache_disable(void)
-{
-}
-
-int icache_status(void)
-{
-	return 0;
-}
-
-void dcache_enable(void)
-{
-}
-
-void dcache_disable(void)
-{
-}
-
-int dcache_status(void)
-{
-	return 0;
-}
diff --git a/arch/sh/cpu/sh3/interrupts.c b/arch/sh/cpu/sh3/interrupts.c
deleted file mode 100644
index 144505a..0000000
--- a/arch/sh/cpu/sh3/interrupts.c
+++ /dev/null
@@ -1,25 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2007
- * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- *
- * (C) Copyright 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- */
-
-#include <common.h>
-
-int interrupt_init(void)
-{
-	return 0;
-}
-
-void enable_interrupts(void)
-{
-
-}
-
-int disable_interrupts(void)
-{
-	return 0;
-}
diff --git a/arch/sh/cpu/sh3/watchdog.c b/arch/sh/cpu/sh3/watchdog.c
deleted file mode 100644
index 40bb33e..0000000
--- a/arch/sh/cpu/sh3/watchdog.c
+++ /dev/null
@@ -1,26 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2010
- * Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
- *
- * (C) Copyright 2007
- * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/system.h>
-
-int watchdog_init(void)
-{
-	return 0;
-}
-
-void reset_cpu(unsigned long ignored)
-{
-	/* Address error with SR.BL=1 first. */
-	trigger_address_error();
-
-	while (1)
-		;
-}