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>

13 files changed, 0 insertions, 503 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 60589b3cef..0ce74cf24a 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -1,9 +1,6 @@
 menu "SuperH architecture"
 	depends on SH
 
-config CPU_SH3
-	bool
-
 config CPU_SH4
 	bool
 
@@ -82,7 +79,6 @@ config SYS_ARCH
 	default "sh"
 
 config SYS_CPU
-	default "sh3" if CPU_SH3
 	default "sh4" if CPU_SH4
 
 source "arch/sh/lib/Kconfig"
diff --git a/arch/sh/cpu/sh3/Makefile b/arch/sh/cpu/sh3/Makefile
deleted file mode 100644
index 24aca92890..0000000000
--- 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 e13ee129da..0000000000
--- 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 98121c72ba..0000000000
--- 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 144505a674..0000000000
--- 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 40bb33e48e..0000000000
--- 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)
-		;
-}
diff --git a/arch/sh/include/asm/cpu_sh3.h b/arch/sh/include/asm/cpu_sh3.h
deleted file mode 100644
index a5d3ff7b60..0000000000
--- a/arch/sh/include/asm/cpu_sh3.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * (C) Copyright 2007-2009 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- * (C) Copyright 2007 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- */
-
-#ifndef _ASM_CPU_SH3_H_
-#define _ASM_CPU_SH3_H_
-
-/* cache control */
-#define CCR_CACHE_STOP   0x00000008
-#define CCR_CACHE_ENABLE 0x00000005
-#define CCR_CACHE_ICI    0x00000008
-
-#define CACHE_OC_ADDRESS_ARRAY	0xf0000000
-#define CACHE_OC_WAY_SHIFT	13
-#define CACHE_OC_NUM_ENTRIES	256
-#define CACHE_OC_ENTRY_SHIFT	4
-
-#if defined(CONFIG_CPU_SH7706)
-#include <asm/cpu_sh7706.h>
-#elif defined(CONFIG_CPU_SH7710)
-#include <asm/cpu_sh7710.h>
-#elif defined(CONFIG_CPU_SH7720)
-#include <asm/cpu_sh7720.h>
-#else
-#error "Unknown SH3 variant"
-#endif
-
-#endif	/* _ASM_CPU_SH3_H_ */
diff --git a/arch/sh/include/asm/cpu_sh7706.h b/arch/sh/include/asm/cpu_sh7706.h
deleted file mode 100644
index 8066ff719b..0000000000
--- a/arch/sh/include/asm/cpu_sh7706.h
+++ /dev/null
@@ -1,50 +0,0 @@
-#ifndef _ASM_CPU_SH7706_H_
-#define _ASM_CPU_SH7706_H_
-
-#define CACHE_OC_NUM_WAYS	4
-#define CCR_CACHE_INIT	0x0000000D
-
-/* MMU and Cache control */
-#define MMUCR	0xFFFFFFE0
-#define CCR		0xFFFFFFEC
-
-/* PFC */
-#define PACR		0xA4050100
-#define PBCR		0xA4050102
-#define PCCR		0xA4050104
-#define PETCR		0xA4050106
-
-/* Port Data Registers */
-#define PADR		0xA4050120
-#define PBDR		0xA4050122
-#define PCDR		0xA4050124
-
-/* BSC */
-#define	FRQCR	0xffffff80
-#define	BCR1	0xffffff60
-#define	BCR2	0xffffff62
-#define	WCR1	0xffffff64
-#define	WCR2	0xffffff66
-#define	MCR		0xffffff68
-
-/* SDRAM controller */
-#define	DCR		0xffffff6a
-#define	RTCSR	0xffffff6e
-#define	RTCNT	0xffffff70
-#define	RTCOR	0xffffff72
-#define	RFCR	0xffffff74
-#define SDMR	0xFFFFD000
-#define CS3_R	0xFFFFE460
-
-/* SCIF */
-#define SCSMR_2		0xA4000150
-#define SCIF0_BASE	SCSMR_2
-
-/* Timer */
-#define TMU_BASE	0xFFFFFE90
-
-/* On chip oscillator circuits */
-#define	WTCNT	0xFFFFFF84
-#define	WTCSR	0xFFFFFF86
-
-#endif	/* _ASM_CPU_SH7706_H_ */
diff --git a/arch/sh/include/asm/cpu_sh7710.h b/arch/sh/include/asm/cpu_sh7710.h
deleted file mode 100644
index e4ecef7f70..0000000000
--- a/arch/sh/include/asm/cpu_sh7710.h
+++ /dev/null
@@ -1,61 +0,0 @@
-#ifndef _ASM_CPU_SH7710_H_
-#define _ASM_CPU_SH7710_H_
-
-#define CACHE_OC_NUM_WAYS	4
-#define CCR_CACHE_INIT	0x0000000D
-
-/* MMU and Cache control */
-#define MMUCR		0xFFFFFFE0
-#define CCR		0xFFFFFFEC
-
-/* PFC */
-#define PACR		0xA4050100
-#define PBCR		0xA4050102
-#define PCCR		0xA4050104
-#define PETCR		0xA4050106
-
-/* Port Data Registers */
-#define PADR		0xA4050120
-#define PBDR		0xA4050122
-#define PCDR		0xA4050124
-
-/* BSC */
-#define CMNCR		0xA4FD0000
-#define CS0BCR		0xA4FD0004
-#define CS2BCR		0xA4FD0008
-#define CS3BCR		0xA4FD000C
-#define CS4BCR		0xA4FD0010
-#define CS5ABCR		0xA4FD0014
-#define CS5BBCR		0xA4FD0018
-#define CS6ABCR		0xA4FD001C
-#define CS6BBCR		0xA4FD0020
-#define CS0WCR		0xA4FD0024
-#define CS2WCR		0xA4FD0028
-#define CS3WCR		0xA4FD002C
-#define CS4WCR		0xA4FD0030
-#define CS5AWCR		0xA4FD0034
-#define CS5BWCR		0xA4FD0038
-#define CS6AWCR		0xA4FD003C
-#define CS6BWCR		0xA4FD0040
-
-/* SDRAM controller */
-#define SDCR		0xA4FD0044
-#define RTCSR		0xA4FD0048
-#define RTCNT		0xA4FD004C
-#define RTCOR		0xA4FD0050
-
-/* SCIF */
-#define SCSMR_0		0xA4400000
-#define SCIF0_BASE	SCSMR_0
-#define SCSMR_0		0xA4410000
-#define SCIF1_BASE	SCSMR_1
-
-/* Timer */
-#define TMU_BASE	0xA412FE90
-
-/* On chip oscillator circuits */
-#define FRQCR		0xA415FF80
-#define WTCNT		0xA415FF84
-#define WTCSR		0xA415FF86
-
-#endif	/* _ASM_CPU_SH7710_H_ */
diff --git a/arch/sh/include/asm/cpu_sh7720.h b/arch/sh/include/asm/cpu_sh7720.h
deleted file mode 100644
index 5c361acdcb..0000000000
--- a/arch/sh/include/asm/cpu_sh7720.h
+++ /dev/null
@@ -1,206 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright 2007 (C)
- * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- *
- * Copyright 2008 (C)
- * Mark Jonas <mark.jonas@de.bosch.com>
- *
- * SH7720 Internal I/O register
- */
-
-#ifndef _ASM_CPU_SH7720_H_
-#define _ASM_CPU_SH7720_H_
-
-#define CACHE_OC_NUM_WAYS	4
-#define CCR_CACHE_INIT		0x0000000B
-
-/*	EXP	*/
-#define TRA		0xFFFFFFD0
-#define EXPEVT		0xFFFFFFD4
-#define INTEVT		0xFFFFFFD8
-
-/*	MMU	*/
-#define MMUCR		0xFFFFFFE0
-#define PTEH		0xFFFFFFF0
-#define PTEL		0xFFFFFFF4
-#define TTB		0xFFFFFFF8
-
-/*	CACHE	*/
-#define CCR		0xFFFFFFEC
-
-/*	INTC	*/
-#define IPRF		0xA4080000
-#define IPRG		0xA4080002
-#define IPRH		0xA4080004
-#define IPRI		0xA4080006
-#define IPRJ		0xA4080008
-#define IRR5		0xA4080020
-#define IRR6		0xA4080022
-#define IRR7		0xA4080024
-#define IRR8		0xA4080026
-#define IRR9		0xA4080028
-#define IRR0		0xA4140004
-#define IRR1		0xA4140006
-#define IRR2		0xA4140008
-#define IRR3		0xA414000A
-#define IRR4		0xA414000C
-#define ICR1		0xA4140010
-#define ICR2		0xA4140012
-#define PINTER		0xA4140014
-#define IPRC		0xA4140016
-#define IPRD		0xA4140018
-#define IPRE		0xA414001A
-#define ICR0		0xA414FEE0
-#define IPRA		0xA414FEE2
-#define IPRB		0xA414FEE4
-
-/*	BSC	*/
-#define BSC_BASE	0xA4FD0000
-#define CMNCR		(BSC_BASE + 0x00)
-#define CS0BCR		(BSC_BASE + 0x04)
-#define CS2BCR		(BSC_BASE + 0x08)
-#define CS3BCR		(BSC_BASE + 0x0C)
-#define CS4BCR		(BSC_BASE + 0x10)
-#define CS5ABCR		(BSC_BASE + 0x14)
-#define CS5BBCR		(BSC_BASE + 0x18)
-#define CS6ABCR		(BSC_BASE + 0x1C)
-#define CS6BBCR		(BSC_BASE + 0x20)
-#define CS0WCR		(BSC_BASE + 0x24)
-#define CS2WCR		(BSC_BASE + 0x28)
-#define CS3WCR		(BSC_BASE + 0x2C)
-#define CS4WCR		(BSC_BASE + 0x30)
-#define CS5AWCR		(BSC_BASE + 0x34)
-#define CS5BWCR		(BSC_BASE + 0x38)
-#define CS6AWCR		(BSC_BASE + 0x3C)
-#define CS6BWCR		(BSC_BASE + 0x40)
-#define SDCR		(BSC_BASE + 0x44)
-#define RTCSR		(BSC_BASE + 0x48)
-#define RTCNR		(BSC_BASE + 0x4C)
-#define RTCOR		(BSC_BASE + 0x50)
-#define SDMR2		(BSC_BASE + 0x4000)
-#define SDMR3		(BSC_BASE + 0x5000)
-
-/*	DMAC	*/
-
-/*	CPG	*/
-#define UCLKCR		0xA40A0008
-#define FRQCR		0xA415FF80
-
-/*	LOW POWER MODE	*/
-
-/*	TMU	*/
-#define TMU_BASE	0xA412FE90
-
-/*	TPU	*/
-#define TPU_BASE	0xA4480000
-#define TPU_TSTR	(TPU_BASE + 0x00)
-#define TPU_TCR0	(TPU_BASE + 0x10)
-#define TPU_TMDR0	(TPU_BASE + 0x14)
-#define TPU_TIOR0	(TPU_BASE + 0x18)
-#define TPU_TIER0	(TPU_BASE + 0x1C)
-#define TPU_TSR0	(TPU_BASE + 0x20)
-#define TPU_TCNT0	(TPU_BASE + 0x24)
-#define TPU_TGRA0	(TPU_BASE + 0x28)
-#define TPU_TGRB0	(TPU_BASE + 0x2C)
-#define TPU_TGRC0	(TPU_BASE + 0x30)
-#define TPU_TGRD0	(TPU_BASE + 0x34)
-#define TPU_TCR1	(TPU_BASE + 0x50)
-#define TPU_TMDR1	(TPU_BASE + 0x54)
-#define TPU_TIOR1	(TPU_BASE + 0x58)
-#define TPU_TIER1	(TPU_BASE + 0x5C)
-#define TPU_TSR1	(TPU_BASE + 0x60)
-#define TPU_TCNT1	(TPU_BASE + 0x64)
-#define TPU_TGRA1	(TPU_BASE + 0x68)
-#define TPU_TGRB1	(TPU_BASE + 0x6C)
-#define TPU_TGRC1	(TPU_BASE + 0x70)
-#define TPU_TGRD1	(TPU_BASE + 0x74)
-#define TPU_TCR2	(TPU_BASE + 0x90)
-#define TPU_TMDR2	(TPU_BASE + 0x94)
-#define TPU_TIOR2	(TPU_BASE + 0x98)
-#define TPU_TIER2	(TPU_BASE + 0x9C)
-#define TPU_TSR2	(TPU_BASE + 0xB0)
-#define TPU_TCNT2	(TPU_BASE + 0xB4)
-#define TPU_TGRA2	(TPU_BASE + 0xB8)
-#define TPU_TGRB2	(TPU_BASE + 0xBC)
-#define TPU_TGRC2	(TPU_BASE + 0xC0)
-#define TPU_TGRD2	(TPU_BASE + 0xC4)
-#define TPU_TCR3	(TPU_BASE + 0xD0)
-#define TPU_TMDR3	(TPU_BASE + 0xD4)
-#define TPU_TIOR3	(TPU_BASE + 0xD8)
-#define TPU_TIER3	(TPU_BASE + 0xDC)
-#define TPU_TSR3	(TPU_BASE + 0xE0)
-#define TPU_TCNT3	(TPU_BASE + 0xE4)
-#define TPU_TGRA3	(TPU_BASE + 0xE8)
-#define TPU_TGRB3	(TPU_BASE + 0xEC)
-#define TPU_TGRC3	(TPU_BASE + 0xF0)
-#define TPU_TGRD3	(TPU_BASE + 0xF4)
-
-/*	CMT	*/
-
-/*	SIOF	*/
-
-/*	SCIF	*/
-#define SCIF0_BASE	0xA4430000
-
-/*	SIM	*/
-
-/*	IrDA	*/
-
-/*	IIC	*/
-
-/*	LCDC	*/
-
-/*	USBF	*/
-
-/*	MMCIF	*/
-
-/*	PFC	*/
-#define PFC_BASE	0xA4050100
-#define PACR		(PFC_BASE + 0x00)
-#define PBCR		(PFC_BASE + 0x02)
-#define PCCR		(PFC_BASE + 0x04)
-#define PDCR		(PFC_BASE + 0x06)
-#define PECR		(PFC_BASE + 0x08)
-#define PFCR		(PFC_BASE + 0x0A)
-#define PGCR		(PFC_BASE + 0x0C)
-#define PHCR		(PFC_BASE + 0x0E)
-#define PJCR		(PFC_BASE + 0x10)
-#define PKCR		(PFC_BASE + 0x12)
-#define PLCR		(PFC_BASE + 0x14)
-#define PMCR		(PFC_BASE + 0x16)
-#define PPCR		(PFC_BASE + 0x18)
-#define PRCR		(PFC_BASE + 0x1A)
-#define PSCR		(PFC_BASE + 0x1C)
-#define PTCR		(PFC_BASE + 0x1E)
-#define PUCR		(PFC_BASE + 0x20)
-#define PVCR		(PFC_BASE + 0x22)
-#define PSELA		(PFC_BASE + 0x24)
-#define PSELB		(PFC_BASE + 0x26)
-#define PSELC		(PFC_BASE + 0x28)
-#define PSELD		(PFC_BASE + 0x2A)
-
-/*	I/O Port	*/
-#define PORT_BASE	0xA4050100
-#define PADR		(PORT_BASE + 0x40)
-#define PBDR		(PORT_BASE + 0x42)
-#define PCDR		(PORT_BASE + 0x44)
-#define PDDR		(PORT_BASE + 0x46)
-#define PEDR		(PORT_BASE + 0x48)
-#define PFDR		(PORT_BASE + 0x4A)
-#define PGDR		(PORT_BASE + 0x4C)
-#define PHDR		(PORT_BASE + 0x4E)
-#define PJDR		(PORT_BASE + 0x50)
-#define PKDR		(PORT_BASE + 0x52)
-#define PLDR		(PORT_BASE + 0x54)
-#define PMDR		(PORT_BASE + 0x56)
-#define PPDR		(PORT_BASE + 0x58)
-#define PRDR		(PORT_BASE + 0x5A)
-#define PSDR		(PORT_BASE + 0x5C)
-#define PTDR		(PORT_BASE + 0x5E)
-#define PUDR		(PORT_BASE + 0x60)
-#define PVDR		(PORT_BASE + 0x62)
-
-/*	H-UDI	*/
-
-#endif /* _ASM_CPU_SH7720_H_ */
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index bdc1da6295..09de94a2e2 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -1,8 +1,4 @@
 #ifndef _ASM_SH_PROCESSOR_H_
 #define _ASM_SH_PROCESSOR_H_
-#if defined(CONFIG_CPU_SH3)
-# include <asm/cpu_sh3.h>
-#elif defined(CONFIG_CPU_SH4)
 # include <asm/cpu_sh4.h>
 #endif
-#endif
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index fbc4cc9d7f..9618da1cb3 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_CMD_SH_ZIMAGEBOOT) += zimageboot.o
 udivsi3-y			:= udivsi3_i4i-Os.o
 
 ifneq ($(CONFIG_CC_OPTIMIZE_FOR_SIZE),y)
-udivsi3-$(CONFIG_CPU_SH3)	:= udivsi3_i4i.o
 udivsi3-$(CONFIG_CPU_SH4)	:= udivsi3_i4i.o
 endif
 udivsi3-y			+= udivsi3.o
diff --git a/arch/sh/lib/time.c b/arch/sh/lib/time.c
index fb317f95d5..51e1cc1181 100644
--- a/arch/sh/lib/time.c
+++ b/arch/sh/lib/time.c
@@ -14,11 +14,6 @@
 #include <asm/processor.h>
 #include <asm/io.h>
 
-#if defined(CONFIG_CPU_SH3)
-#define TSTR	0x2
-#define TCR0	0xc
-#endif /* CONFIG_CPU_SH3 */
-
 #if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_RMOBILE)
 #define TSTR	0x4
 #define TCR0	0x10