summaryrefslogtreecommitdiff
path: root/cpu/sh4
diff options
context:
space:
mode:
authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:10 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:17 +0200
commit8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba (patch)
tree1bd91a72857c1345faae7b15bd15b0eb9bdf9366 /cpu/sh4
parent8d1f268204b07e172f3cb5cee0a3974d605b0b98 (diff)
downloadu-boot-imx-8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba.zip
u-boot-imx-8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba.tar.gz
u-boot-imx-8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba.tar.bz2
sh: Move cpu/$CPU to arch/sh/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'cpu/sh4')
-rw-r--r--cpu/sh4/Makefile54
-rw-r--r--cpu/sh4/cache.c108
-rw-r--r--cpu/sh4/config.mk28
-rw-r--r--cpu/sh4/cpu.c93
-rw-r--r--cpu/sh4/interrupts.c38
-rw-r--r--cpu/sh4/start.S74
-rw-r--r--cpu/sh4/u-boot.lds99
-rw-r--r--cpu/sh4/watchdog.c71
8 files changed, 0 insertions, 565 deletions
diff --git a/cpu/sh4/Makefile b/cpu/sh4/Makefile
deleted file mode 100644
index 3c96a49..0000000
--- a/cpu/sh4/Makefile
+++ /dev/null
@@ -1,54 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2007
-# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(CPU).a
-
-SOBJS = start.o
-COBJS = cpu.o interrupts.o watchdog.o cache.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(OBJS) $(SOBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
-
-clean:
- rm -f $(SOBJS) $(OBJS)
-
-distclean: clean
- rm -f $(LIB) core *.bak $(obj).depend
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/sh4/cache.c b/cpu/sh4/cache.c
deleted file mode 100644
index 377005c..0000000
--- a/cpu/sh4/cache.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * (C) Copyright 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-
-/*
- * Jump to P2 area.
- * When handling TLB or caches, we need to do it from P2 area.
- */
-#define jump_to_P2() \
- do { \
- unsigned long __dummy; \
- __asm__ __volatile__( \
- "mov.l 1f, %0\n\t" \
- "or %1, %0\n\t" \
- "jmp @%0\n\t" \
- " nop\n\t" \
- ".balign 4\n" \
- "1: .long 2f\n" \
- "2:" \
- : "=&r" (__dummy) \
- : "r" (0x20000000)); \
- } while (0)
-
-/*
- * Back to P1 area.
- */
-#define back_to_P1() \
- do { \
- unsigned long __dummy; \
- __asm__ __volatile__( \
- "nop;nop;nop;nop;nop;nop;nop\n\t" \
- "mov.l 1f, %0\n\t" \
- "jmp @%0\n\t" \
- " nop\n\t" \
- ".balign 4\n" \
- "1: .long 2f\n" \
- "2:" \
- : "=&r" (__dummy)); \
- } while (0)
-
-#define CACHE_VALID 1
-#define CACHE_UPDATED 2
-
-static inline void cache_wback_all(void)
-{
- unsigned long addr, data, i, j;
-
- jump_to_P2();
- for (i = 0; i < CACHE_OC_NUM_ENTRIES; i++){
- for (j = 0; j < CACHE_OC_NUM_WAYS; j++) {
- addr = CACHE_OC_ADDRESS_ARRAY | (j << CACHE_OC_WAY_SHIFT)
- | (i << CACHE_OC_ENTRY_SHIFT);
- data = inl(addr);
- if (data & CACHE_UPDATED) {
- data &= ~CACHE_UPDATED;
- outl(data, addr);
- }
- }
- }
- back_to_P1();
-}
-
-
-#define CACHE_ENABLE 0
-#define CACHE_DISABLE 1
-
-int cache_control(unsigned int cmd)
-{
- unsigned long ccr;
-
- jump_to_P2();
- ccr = inl(CCR);
-
- if (ccr & CCR_CACHE_ENABLE)
- cache_wback_all();
-
- if (cmd == CACHE_DISABLE)
- outl(CCR_CACHE_STOP, CCR);
- else
- outl(CCR_CACHE_INIT, CCR);
- back_to_P1();
-
- return 0;
-}
diff --git a/cpu/sh4/config.mk b/cpu/sh4/config.mk
deleted file mode 100644
index b3feb2a..0000000
--- a/cpu/sh4/config.mk
+++ /dev/null
@@ -1,28 +0,0 @@
-#
-# (C) Copyright 2000-2004
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2007
-# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-#
-PLATFORM_CPPFLAGS += -m4-nofpu
-PLATFORM_RELFLAGS += -ffixed-r13
diff --git a/cpu/sh4/cpu.c b/cpu/sh4/cpu.c
deleted file mode 100644
index be410ab..0000000
--- a/cpu/sh4/cpu.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * (C) Copyright 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <netdev.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-
-int checkcpu(void)
-{
- puts("CPU: SH4\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 *argv[])
-{
- disable_interrupts();
- reset_cpu (0);
- return 0;
-}
-
-void flush_cache (unsigned long addr, unsigned long size)
-{
- dcache_invalid_range( addr , addr + size );
-}
-
-void icache_enable (void)
-{
- cache_control(0);
-}
-
-void icache_disable (void)
-{
- cache_control(1);
-}
-
-int icache_status (void)
-{
- return 0;
-}
-
-void dcache_enable (void)
-{
-}
-
-void dcache_disable (void)
-{
-}
-
-int dcache_status (void)
-{
- return 0;
-}
-
-int cpu_eth_init(bd_t *bis)
-{
-#ifdef CONFIG_SH_ETHER
- sh_eth_initialize(bis);
-#endif
- return 0;
-}
diff --git a/cpu/sh4/interrupts.c b/cpu/sh4/interrupts.c
deleted file mode 100644
index 6988ecc..0000000
--- a/cpu/sh4/interrupts.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * (C) Copyright 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-
-int interrupt_init (void)
-{
- return 0;
-}
-
-void enable_interrupts (void)
-{
-
-}
-
-int disable_interrupts (void){
- return 0;
-}
diff --git a/cpu/sh4/start.S b/cpu/sh4/start.S
deleted file mode 100644
index 711ae66..0000000
--- a/cpu/sh4/start.S
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * (C) Copyright 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <version.h>
-
- .text
- .align 2
-
- .global _start
-_start:
- mov.l ._lowlevel_init, r0
-100: bsrf r0
- nop
-
- bsr 1f
- nop
-1: sts pr, r5
- mov.l ._reloc_dst, r4
- add #(_start-1b), r5
- mov.l ._reloc_dst_end, r6
-
-2: mov.l @r5+, r1
- mov.l r1, @r4
- add #4, r4
- cmp/hs r6, r4
- bf 2b
-
- mov.l ._bss_start, r4
- mov.l ._bss_end, r5
- mov #0, r1
-
-3: mov.l r1, @r4 /* bss clear */
- add #4, r4
- cmp/hs r5, r4
- bf 3b
-
- mov.l ._gd_init, r13 /* global data */
- mov.l ._stack_init, r15 /* stack */
-
- mov.l ._sh_generic_init, r0
- jsr @r0
- nop
-
-loop:
- bra loop
-
- .align 2
-
-._lowlevel_init: .long (lowlevel_init - (100b + 4))
-._reloc_dst: .long reloc_dst
-._reloc_dst_end: .long reloc_dst_end
-._bss_start: .long bss_start
-._bss_end: .long bss_end
-._gd_init: .long (_start - CONFIG_SYS_GBL_DATA_SIZE)
-._stack_init: .long (_start - CONFIG_SYS_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16)
-._sh_generic_init: .long sh_generic_init
diff --git a/cpu/sh4/u-boot.lds b/cpu/sh4/u-boot.lds
deleted file mode 100644
index bff9f43..0000000
--- a/cpu/sh4/u-boot.lds
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * Copyright (C) 2008-2009
- * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
-OUTPUT_ARCH(sh)
-ENTRY(_start)
-
-SECTIONS
-{
- /*
- * entry and reloct_dst will be provided via ldflags
- */
- . = .;
-
- PROVIDE (_ftext = .);
- PROVIDE (_fcode = .);
- PROVIDE (_start = .);
-
- .text :
- {
- cpu/sh4/start.o (.text)
- . = ALIGN(8192);
- common/env_embedded.o (.ppcenv)
- . = ALIGN(8192);
- common/env_embedded.o (.ppcenvr)
- . = ALIGN(8192);
- *(.text)
- . = ALIGN(4);
- } =0xFF
- PROVIDE (_ecode = .);
- .rodata :
- {
- *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
- . = ALIGN(4);
- }
- PROVIDE (_etext = .);
-
-
- PROVIDE (_fdata = .);
- .data :
- {
- *(.data)
- . = ALIGN(4);
- }
- PROVIDE (_edata = .);
-
- PROVIDE (_fgot = .);
- .got :
- {
- *(.got)
- . = ALIGN(4);
- }
- PROVIDE (_egot = .);
-
- PROVIDE (__u_boot_cmd_start = .);
- .u_boot_cmd :
- {
- *(.u_boot_cmd)
- . = ALIGN(4);
- }
- PROVIDE (__u_boot_cmd_end = .);
-
- PROVIDE (reloc_dst_end = .);
- /* _reloc_dst_end = .; */
-
- PROVIDE (bss_start = .);
- PROVIDE (__bss_start = .);
- .bss (NOLOAD) :
- {
- *(.bss)
- . = ALIGN(4);
- }
- PROVIDE (bss_end = .);
-
- PROVIDE (_end = .);
-}
diff --git a/cpu/sh4/watchdog.c b/cpu/sh4/watchdog.c
deleted file mode 100644
index f692429..0000000
--- a/cpu/sh4/watchdog.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-
-#define WDT_BASE WTCNT
-
-#define WDT_WD (1 << 6)
-#define WDT_RST_P (0)
-#define WDT_RST_M (1 << 5)
-#define WDT_ENABLE (1 << 7)
-
-#if defined(CONFIG_WATCHDOG)
-static unsigned char csr_read(void)
-{
- return inb(WDT_BASE + 0x04);
-}
-
-static void cnt_write(unsigned char value)
-{
- outl((unsigned short)value | 0x5A00, WDT_BASE + 0x00);
-}
-
-static void csr_write(unsigned char value)
-{
- outl((unsigned short)value | 0xA500, WDT_BASE + 0x04);
-}
-
-void watchdog_reset(void)
-{
- outl(0x55000000, WDT_BASE + 0x08);
-}
-
-int watchdog_init(void)
-{
- /* Set overflow time*/
- cnt_write(0);
- /* Power on reset */
- csr_write(WDT_WD|WDT_RST_P|WDT_ENABLE);
-
- return 0;
-}
-
-int watchdog_disable(void)
-{
- csr_write(csr_read() & ~WDT_ENABLE);
- return 0;
-}
-#endif
-
-void reset_cpu(unsigned long ignored)
-{
- while (1)
- ;
-}