[U-Boot] [PATCH 08/12] sh: sh2: Remove CPU support
Marek Vasut
marek.vasut at gmail.com
Fri May 10 20:31:14 UTC 2019
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 at gmail.com>
Cc: Chris Brandt <chris.brandt at renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
Cc: Vladimir Zapolskiy <vz at mleia.com>
Cc: Yoshihiro Shimoda <shimoda.yoshihiro.uh at renesas.com>
---
arch/sh/Kconfig | 8 ---
arch/sh/cpu/sh2/Makefile | 9 ----
arch/sh/cpu/sh2/config.mk | 15 ------
arch/sh/cpu/sh2/cpu.c | 84 --------------------------------
arch/sh/cpu/sh2/interrupts.c | 22 ---------
arch/sh/cpu/sh2/watchdog.c | 23 ---------
arch/sh/include/asm/config.h | 2 -
arch/sh/include/asm/cpu_sh2.h | 30 ------------
arch/sh/include/asm/cpu_sh7203.h | 41 ----------------
arch/sh/include/asm/cpu_sh7264.h | 41 ----------------
arch/sh/include/asm/cpu_sh7269.h | 26 ----------
arch/sh/include/asm/processor.h | 4 +-
arch/sh/lib/Makefile | 4 --
arch/sh/lib/start.S | 6 ---
drivers/serial/serial_sh.h | 9 +---
scripts/config_whitelist.txt | 3 --
16 files changed, 2 insertions(+), 325 deletions(-)
delete mode 100644 arch/sh/cpu/sh2/Makefile
delete mode 100644 arch/sh/cpu/sh2/config.mk
delete mode 100644 arch/sh/cpu/sh2/cpu.c
delete mode 100644 arch/sh/cpu/sh2/interrupts.c
delete mode 100644 arch/sh/cpu/sh2/watchdog.c
delete mode 100644 arch/sh/include/asm/cpu_sh2.h
delete mode 100644 arch/sh/include/asm/cpu_sh7203.h
delete mode 100644 arch/sh/include/asm/cpu_sh7264.h
delete mode 100644 arch/sh/include/asm/cpu_sh7269.h
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index c97856f9b4..0659fbbf8b 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -1,13 +1,6 @@
menu "SuperH architecture"
depends on SH
-config CPU_SH2
- bool
-
-config CPU_SH2A
- bool
- select CPU_SH2
-
config CPU_SH3
bool
@@ -101,7 +94,6 @@ config SYS_ARCH
default "sh"
config SYS_CPU
- default "sh2" if CPU_SH2
default "sh3" if CPU_SH3
default "sh4" if CPU_SH4
diff --git a/arch/sh/cpu/sh2/Makefile b/arch/sh/cpu/sh2/Makefile
deleted file mode 100644
index 1220facc55..0000000000
--- a/arch/sh/cpu/sh2/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0+
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
-#
-# Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
-# Copyright (C) 2008 Renesas Solutions Corp.
-
-obj-y = cpu.o interrupts.o watchdog.o
diff --git a/arch/sh/cpu/sh2/config.mk b/arch/sh/cpu/sh2/config.mk
deleted file mode 100644
index 931964a726..0000000000
--- a/arch/sh/cpu/sh2/config.mk
+++ /dev/null
@@ -1,15 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0+
-#
-# (C) Copyright 2007-2008
-# Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
-#
-ENDIANNESS += -EB
-
-ifdef CONFIG_CPU_SH2A
-PLATFORM_CPPFLAGS += -m2a-nofpu -mb
-else # SH2
-PLATFORM_CPPFLAGS += -m3e -mb
-endif
-PLATFORM_CPPFLAGS += $(call cc-option,-mno-fdpic)
-
-PLATFORM_LDFLAGS += $(ENDIANNESS)
diff --git a/arch/sh/cpu/sh2/cpu.c b/arch/sh/cpu/sh2/cpu.c
deleted file mode 100644
index a55adfb58b..0000000000
--- a/arch/sh/cpu/sh2/cpu.c
+++ /dev/null
@@ -1,84 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
- * Copyright (C) 2008 Renesas Solutions Corp.
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-
-#define STBCR4 0xFFFE040C
-#define cmt_clock_enable() do {\
- writeb(readb(STBCR4) & ~0x04, STBCR4);\
- } while (0)
-#define scif0_enable() do {\
- writeb(readb(STBCR4) & ~0x80, STBCR4);\
- } while (0)
-#define scif3_enable() do {\
- writeb(readb(STBCR4) & ~0x10, STBCR4);\
- } while (0)
-
-int checkcpu(void)
-{
- puts("CPU: SH2\n");
- return 0;
-}
-
-int cpu_init(void)
-{
- /* SCIF enable */
-#if defined(CONFIG_CONS_SCIF3)
- scif3_enable();
-#else
- scif0_enable();
-#endif
- /* CMT clock enable */
- cmt_clock_enable() ;
- 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/sh2/interrupts.c b/arch/sh/cpu/sh2/interrupts.c
deleted file mode 100644
index a5ee41efb9..0000000000
--- a/arch/sh/cpu/sh2/interrupts.c
+++ /dev/null
@@ -1,22 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
- * Copyright (C) 2008 Renesas Solutions Corp.
- */
-
-#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/sh2/watchdog.c b/arch/sh/cpu/sh2/watchdog.c
deleted file mode 100644
index 28240edf19..0000000000
--- a/arch/sh/cpu/sh2/watchdog.c
+++ /dev/null
@@ -1,23 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2008,2010 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at renesas.com>
- * Copyright (C) 2008,2010 Renesas Solutions Corp.
- */
-
-#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/config.h b/arch/sh/include/asm/config.h
index d2862df4a5..df38c82abc 100644
--- a/arch/sh/include/asm/config.h
+++ b/arch/sh/include/asm/config.h
@@ -6,13 +6,11 @@
#ifndef _ASM_CONFIG_H_
#define _ASM_CONFIG_H_
-#if !defined(CONFIG_CPU_SH2)
#include <asm/processor.h>
/* Timer */
#define CONFIG_SYS_TIMER_COUNTS_DOWN
#define CONFIG_SYS_TIMER_COUNTER (TMU_BASE + 0x8) /* TCNT0 */
#define CONFIG_SYS_TIMER_RATE (CONFIG_SYS_CLK_FREQ / 4)
-#endif
#endif
diff --git a/arch/sh/include/asm/cpu_sh2.h b/arch/sh/include/asm/cpu_sh2.h
deleted file mode 100644
index d98bedd625..0000000000
--- a/arch/sh/include/asm/cpu_sh2.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
- * Copyright (C) 2008 Renesas Solutions Corp.
- */
-
-#ifndef _ASM_CPU_SH2_H_
-#define _ASM_CPU_SH2_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_SH7203)
-# include <asm/cpu_sh7203.h>
-#elif defined(CONFIG_CPU_SH7264)
-# include <asm/cpu_sh7264.h>
-#elif defined(CONFIG_CPU_SH7269)
-# include <asm/cpu_sh7269.h>
-#else
-# error "Unknown SH2 variant"
-#endif
-
-#endif /* _ASM_CPU_SH2_H_ */
diff --git a/arch/sh/include/asm/cpu_sh7203.h b/arch/sh/include/asm/cpu_sh7203.h
deleted file mode 100644
index 77dcac43d3..0000000000
--- a/arch/sh/include/asm/cpu_sh7203.h
+++ /dev/null
@@ -1,41 +0,0 @@
-#ifndef _ASM_CPU_SH7203_H_
-#define _ASM_CPU_SH7203_H_
-
-/* Cache */
-#define CCR1 0xFFFC1000
-#define CCR CCR1
-
-/* 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 */
-
-/* SDRAM controller */
-
-/* SCIF */
-#define SCSMR_0 0xFFFE8000
-#define SCIF0_BASE SCSMR_0
-
-/* Timer(CMT) */
-#define CMSTR 0xFFFEC000
-#define CMCSR_0 0xFFFEC002
-#define CMCNT_0 0xFFFEC004
-#define CMCOR_0 0xFFFEC006
-#define CMCSR_1 0xFFFEC008
-#define CMCNT_1 0xFFFEC00A
-#define CMCOR_1 0xFFFEC00C
-
-/* On chip oscillator circuits */
-#define FRQCR 0xA415FF80
-#define WTCNT 0xA415FF84
-#define WTCSR 0xA415FF86
-
-#endif /* _ASM_CPU_SH7203_H_ */
diff --git a/arch/sh/include/asm/cpu_sh7264.h b/arch/sh/include/asm/cpu_sh7264.h
deleted file mode 100644
index a4a4d51597..0000000000
--- a/arch/sh/include/asm/cpu_sh7264.h
+++ /dev/null
@@ -1,41 +0,0 @@
-#ifndef _ASM_CPU_SH7264_H_
-#define _ASM_CPU_SH7264_H_
-
-/* Cache */
-#define CCR1 0xFFFC1000
-#define CCR CCR1
-
-/* 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 */
-
-/* SDRAM controller */
-
-/* SCIF */
-#define SCSMR_3 0xFFFE9800
-#define SCIF3_BASE SCSMR_3
-
-/* Timer(CMT) */
-#define CMSTR 0xFFFEC000
-#define CMCSR_0 0xFFFEC002
-#define CMCNT_0 0xFFFEC004
-#define CMCOR_0 0xFFFEC006
-#define CMCSR_1 0xFFFEC008
-#define CMCNT_1 0xFFFEC00A
-#define CMCOR_1 0xFFFEC00C
-
-/* On chip oscillator circuits */
-#define FRQCR 0xA415FF80
-#define WTCNT 0xA415FF84
-#define WTCSR 0xA415FF86
-
-#endif /* _ASM_CPU_SH7264_H_ */
diff --git a/arch/sh/include/asm/cpu_sh7269.h b/arch/sh/include/asm/cpu_sh7269.h
deleted file mode 100644
index 4dea7086d4..0000000000
--- a/arch/sh/include/asm/cpu_sh7269.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef _ASM_CPU_SH7269_H_
-#define _ASM_CPU_SH7269_H_
-
-/* Cache */
-#define CCR1 0xFFFC1000
-#define CCR CCR1
-
-/* SCIF */
-#define SCSMR_0 0xE8007000
-#define SCIF0_BASE SCSMR_0
-#define SCSMR_1 0xE8007800
-#define SCIF1_BASE SCSMR_1
-#define SCSMR_2 0xE8008000
-#define SCIF2_BASE SCSMR_2
-#define SCSMR_3 0xE8008800
-#define SCIF3_BASE SCSMR_3
-#define SCSMR_7 0xE800A800
-#define SCIF7_BASE SCSMR_7
-
-/* Timer(CMT) */
-#define CMSTR 0xFFFEC000
-#define CMCSR_0 0xFFFEC002
-#define CMCNT_0 0xFFFEC004
-#define CMCOR_0 0xFFFEC006
-
-#endif /* _ASM_CPU_SH7269_H_ */
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index b07fe542e3..bdc1da6295 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -1,8 +1,6 @@
#ifndef _ASM_SH_PROCESSOR_H_
#define _ASM_SH_PROCESSOR_H_
-#if defined(CONFIG_CPU_SH2)
-# include <asm/cpu_sh2.h>
-#elif defined(CONFIG_CPU_SH3)
+#if defined(CONFIG_CPU_SH3)
# include <asm/cpu_sh3.h>
#elif defined(CONFIG_CPU_SH4)
# include <asm/cpu_sh4.h>
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 4171e2b0b8..fbc4cc9d7f 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -7,11 +7,7 @@ extra-y += start.o
obj-y += board.o
obj-$(CONFIG_CMD_BOOTM) += bootm.o
-ifeq ($(CONFIG_CPU_SH2),y)
-obj-y += time_sh2.o
-else
obj-y += time.o
-endif
obj-$(CONFIG_CMD_SH_ZIMAGEBOOT) += zimageboot.o
udivsi3-y := udivsi3_i4i-Os.o
diff --git a/arch/sh/lib/start.S b/arch/sh/lib/start.S
index ee79b4fdd0..f5350b9064 100644
--- a/arch/sh/lib/start.S
+++ b/arch/sh/lib/start.S
@@ -12,12 +12,6 @@
.global _start
_start:
-#ifdef CONFIG_CPU_SH2
- .long 0x00000010 /* Ppower ON reset PC*/
- .long 0x00000000
- .long 0x00000010 /* Manual reset PC */
- .long 0x00000000
-#endif
mov.l ._lowlevel_init, r0
100: bsrf r0
nop
diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h
index 56472c5419..f13deec72a 100644
--- a/drivers/serial/serial_sh.h
+++ b/drivers/serial/serial_sh.h
@@ -106,14 +106,7 @@ struct uart_port {
/* TIE=0,RIE=0,TE=1,RE=1,REIE=1,CKE1=1 */
# define SCSCR_INIT(port) 0x3a
-#elif defined(CONFIG_CPU_SH7203) || \
- defined(CONFIG_CPU_SH7264)
-# define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
-# define SCSPTR1 0xfffe8820 /* 16 bit SCIF */
-# define SCSPTR2 0xfffe9020 /* 16 bit SCIF */
-# define SCSPTR3 0xfffe9820 /* 16 bit SCIF */
-# define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-#elif defined(CONFIG_CPU_SH7269) || defined(CONFIG_RZA1)
+#elif defined(CONFIG_RZA1)
# define SCSPTR0 0xe8007020 /* 16 bit SCIF */
# define SCSPTR1 0xe8007820 /* 16 bit SCIF */
# define SCSPTR2 0xe8008020 /* 16 bit SCIF */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 995811ce99..aadb9de88b 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -270,9 +270,6 @@ CONFIG_CPU_PXA26X
CONFIG_CPU_PXA27X
CONFIG_CPU_PXA300
CONFIG_CPU_R8000
-CONFIG_CPU_SH7203
-CONFIG_CPU_SH7264
-CONFIG_CPU_SH7269
CONFIG_CPU_SH7706
CONFIG_CPU_SH7720
CONFIG_CPU_SH7722
--
2.20.1
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