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authorTom Rini <trini@ti.com>2012-10-19 18:23:38 -0700
committerTom Rini <trini@ti.com>2012-10-19 18:23:38 -0700
commit99070db0dc0b0e881841a0091f06d53351244a34 (patch)
treef54a53d89cf1125c8fe433bc51539144de43074c /arch/arm/cpu/lh7a40x
parent7f14f30a6d6c80f9fbe3fd8d5b0c294575e3094e (diff)
parent39826f09978a0a7070999acc15babf88f03e4051 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-arm
Conflicts: drivers/serial/serial_lh7a40x.c Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/cpu/lh7a40x')
-rw-r--r--arch/arm/cpu/lh7a40x/Makefile47
-rw-r--r--arch/arm/cpu/lh7a40x/config.mk33
-rw-r--r--arch/arm/cpu/lh7a40x/cpu.c65
-rw-r--r--arch/arm/cpu/lh7a40x/speed.c83
-rw-r--r--arch/arm/cpu/lh7a40x/start.S506
-rw-r--r--arch/arm/cpu/lh7a40x/timer.c182
6 files changed, 0 insertions, 916 deletions
diff --git a/arch/arm/cpu/lh7a40x/Makefile b/arch/arm/cpu/lh7a40x/Makefile
deleted file mode 100644
index 01cf7f5..0000000
--- a/arch/arm/cpu/lh7a40x/Makefile
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# 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).o
-
-START = start.o
-COBJS = cpu.o speed.o timer.o
-
-SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-START := $(addprefix $(obj),$(START))
-
-all: $(obj).depend $(START) $(LIB)
-
-$(LIB): $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/arch/arm/cpu/lh7a40x/config.mk b/arch/arm/cpu/lh7a40x/config.mk
deleted file mode 100644
index 1c4aa97..0000000
--- a/arch/arm/cpu/lh7a40x/config.mk
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
-#
-# 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_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
-
-PLATFORM_CPPFLAGS += -march=armv4
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# ========================================================================
-PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
-PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)
diff --git a/arch/arm/cpu/lh7a40x/cpu.c b/arch/arm/cpu/lh7a40x/cpu.c
deleted file mode 100644
index b193189..0000000
--- a/arch/arm/cpu/lh7a40x/cpu.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * 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
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/system.h>
-
-static void cache_flush(void);
-
-int cleanup_before_linux (void)
-{
- /*
- * this function is called just before we call linux
- * it prepares the processor for linux
- *
- * we turn off caches etc ...
- */
-
- disable_interrupts ();
-
- /* turn off I/D-cache */
- icache_disable();
- dcache_disable();
-
- /* flush I/D-cache */
- cache_flush();
-
- return 0;
-}
-
-/* flush I/D-cache */
-static void cache_flush (void)
-{
- unsigned long i = 0;
-
- asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));
-}
diff --git a/arch/arm/cpu/lh7a40x/speed.c b/arch/arm/cpu/lh7a40x/speed.c
deleted file mode 100644
index 333ebb5..0000000
--- a/arch/arm/cpu/lh7a40x/speed.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * (C) Copyright 2001-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
- *
- * 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 <lh7a40x.h>
-
-
-/* ------------------------------------------------------------------------- */
-/* NOTE: This describes the proper use of this file.
- *
- * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL.
- *
- * get_FCLK(), get_HCLK(), get_PCLK() return the clock of
- * the specified bus in HZ.
- */
-/* ------------------------------------------------------------------------- */
-
-ulong get_PLLCLK (void)
-{
- return CONFIG_SYS_CLK_FREQ;
-}
-
-/* return FCLK frequency */
-ulong get_FCLK (void)
-{
- lh7a40x_csc_t* csc = LH7A40X_CSC_PTR;
- ulong maindiv1, maindiv2, prediv, ps;
-
- /*
- * from userguide 6.1.1.2
- *
- * FCLK = ((MAINDIV1 +2) * (MAINDIV2 +2) * 14.7456MHz) /
- * ((PREDIV+2) * (2^PS))
- */
- maindiv2 = (csc->clkset & CLKSET_MAINDIV2) >> 11;
- maindiv1 = (csc->clkset & CLKSET_MAINDIV1) >> 7;
- prediv = (csc->clkset & CLKSET_PREDIV) >> 2;
- ps = (csc->clkset & CLKSET_PS) >> 16;
-
- return (((maindiv2 + 2) * (maindiv1 + 2) * CONFIG_SYS_CLK_FREQ) /
- ((prediv + 2) * (1 << ps)));
-}
-
-
-/* return HCLK frequency */
-ulong get_HCLK (void)
-{
- lh7a40x_csc_t* csc = LH7A40X_CSC_PTR;
-
- return (get_FCLK () / ((csc->clkset & CLKSET_HCLKDIV) + 1));
-}
-
-/* return PCLK frequency */
-ulong get_PCLK (void)
-{
- lh7a40x_csc_t* csc = LH7A40X_CSC_PTR;
-
- return (get_HCLK () /
- (1 << (((csc->clkset & CLKSET_PCLKDIV) >> 16) + 1)));
-}
diff --git a/arch/arm/cpu/lh7a40x/start.S b/arch/arm/cpu/lh7a40x/start.S
deleted file mode 100644
index 33b9269..0000000
--- a/arch/arm/cpu/lh7a40x/start.S
+++ /dev/null
@@ -1,506 +0,0 @@
-/*
- * armboot - Startup Code for ARM920 CPU-core
- *
- * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
- * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
- * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
- *
- * 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 <asm-offsets.h>
-#include <config.h>
-#include <version.h>
-
-/*
- *************************************************************************
- *
- * Jump vector table as in table 3.1 in [1]
- *
- *************************************************************************
- */
-
-
-.globl _start
-_start: b reset
- ldr pc, _undefined_instruction
- ldr pc, _software_interrupt
- ldr pc, _prefetch_abort
- ldr pc, _data_abort
- ldr pc, _not_used
- ldr pc, _irq
- ldr pc, _fiq
-
-_undefined_instruction: .word undefined_instruction
-_software_interrupt: .word software_interrupt
-_prefetch_abort: .word prefetch_abort
-_data_abort: .word data_abort
-_not_used: .word not_used
-_irq: .word irq
-_fiq: .word fiq
-
- .balignl 16,0xdeadbeef
-
-
-/*
- *************************************************************************
- *
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from memory!
- * relocate armboot to ram
- * setup stack
- * jump to second stage
- *
- *************************************************************************
- */
-
-.globl _TEXT_BASE
-_TEXT_BASE:
- .word CONFIG_SYS_TEXT_BASE
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end__ - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
- .word 0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
- .word 0x0badc0de
-#endif
-
-/* IRQ stack memory (calculated at run-time) + 8 bytes */
-.globl IRQ_STACK_START_IN
-IRQ_STACK_START_IN:
- .word 0x0badc0de
-
-/*
- * the actual reset code
- */
-
-reset:
- /*
- * set the cpu to SVC32 mode
- */
- mrs r0,cpsr
- bic r0,r0,#0x1f
- orr r0,r0,#0xd3
- msr cpsr,r0
-
-#define pWDTCTL 0x80001400 /* Watchdog Timer control register */
-#define pINTENC 0x8000050C /* Interrupt-Controller enable clear register */
-#define pCLKSET 0x80000420 /* clock divisor register */
-
- /* disable watchdog, set watchdog control register to
- * all zeros (default reset)
- */
- ldr r0, =pWDTCTL
- mov r1, #0x0
- str r1, [r0]
-
- /*
- * mask all IRQs by setting all bits in the INTENC register (default)
- */
- mov r1, #0xffffffff
- ldr r0, =pINTENC
- str r1, [r0]
-
- /* FCLK:HCLK:PCLK = 1:2:2 */
- /* default FCLK is 200 MHz, using 14.7456 MHz fin */
- ldr r0, =pCLKSET
- ldr r1, =0x0004ee39
-@ ldr r1, =0x0005ee39 @ 1: 2: 4
- str r1, [r0]
-
- /*
- * we do sys-critical inits only at reboot,
- * not when booting from ram!
- */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- bl cpu_init_crit
-#endif
-
-/* Set stackpointer in internal RAM to call board_init_f */
-call_board_init_f:
- ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
- bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
- ldr r0,=0x00000000
- bl board_init_f
-
-/*------------------------------------------------------------------------------*/
-
-/*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
- *
- */
- .globl relocate_code
-relocate_code:
- mov r4, r0 /* save addr_sp */
- mov r5, r1 /* save addr of gd */
- mov r6, r2 /* save addr of destination */
-
- /* Set up the stack */
-stack_setup:
- mov sp, r4
-
- adr r0, _start
- cmp r0, r6
- moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */
- beq clear_bss /* skip relocation */
- mov r1, r6 /* r1 <- scratch for copy_loop */
- ldr r3, _bss_start_ofs
- add r2, r0, r3 /* r2 <- source end address */
-
-copy_loop:
- ldmia r0!, {r9-r10} /* copy from source address [r0] */
- stmia r1!, {r9-r10} /* copy to target address [r1] */
- cmp r0, r2 /* until source end address [r2] */
- blo copy_loop
-
-#ifndef CONFIG_SPL_BUILD
- /*
- * fix .rel.dyn relocations
- */
- ldr r0, _TEXT_BASE /* r0 <- Text base */
- sub r9, r6, r0 /* r9 <- relocation offset */
- ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */
- add r10, r10, r0 /* r10 <- sym table in FLASH */
- ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */
- add r2, r2, r0 /* r2 <- rel dyn start in FLASH */
- ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */
- add r3, r3, r0 /* r3 <- rel dyn end in FLASH */
-fixloop:
- ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */
- add r0, r0, r9 /* r0 <- location to fix up in RAM */
- ldr r1, [r2, #4]
- and r7, r1, #0xff
- cmp r7, #23 /* relative fixup? */
- beq fixrel
- cmp r7, #2 /* absolute fixup? */
- beq fixabs
- /* ignore unknown type of fixup */
- b fixnext
-fixabs:
- /* absolute fix: set location to (offset) symbol value */
- mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */
- add r1, r10, r1 /* r1 <- address of symbol in table */
- ldr r1, [r1, #4] /* r1 <- symbol value */
- add r1, r1, r9 /* r1 <- relocated sym addr */
- b fixnext
-fixrel:
- /* relative fix: increase location by offset */
- ldr r1, [r0]
- add r1, r1, r9
-fixnext:
- str r1, [r0]
- add r2, r2, #8 /* each rel.dyn entry is 8 bytes */
- cmp r2, r3
- blo fixloop
-#endif
-
-clear_bss:
-#ifndef CONFIG_SPL_BUILD
- ldr r0, _bss_start_ofs
- ldr r1, _bss_end_ofs
- mov r4, r6 /* reloc addr */
- add r0, r0, r4
- add r1, r1, r4
- mov r2, #0x00000000 /* clear */
-
-clbss_l:cmp r0, r1 /* clear loop... */
- bhs clbss_e /* if reached end of bss, exit */
- str r2, [r0]
- add r0, r0, #4
- b clbss_l
-clbss_e:
-#endif
-
-/*
- * We are done. Do not return, instead branch to second part of board
- * initialization, now running from RAM.
- */
- ldr r0, _board_init_r_ofs
- adr r1, _start
- add lr, r0, r1
- add lr, lr, r9
- /* setup parameters for board_init_r */
- mov r0, r5 /* gd_t */
- mov r1, r6 /* dest_addr */
- /* jump to it ... */
- mov pc, lr
-
-_board_init_r_ofs:
- .word board_init_r - _start
-
-_rel_dyn_start_ofs:
- .word __rel_dyn_start - _start
-_rel_dyn_end_ofs:
- .word __rel_dyn_end - _start
-_dynsym_start_ofs:
- .word __dynsym_start - _start
-
-/*
- *************************************************************************
- *
- * CPU_init_critical registers
- *
- * setup important registers
- * setup memory timing
- *
- *************************************************************************
- */
-
-
-cpu_init_crit:
- /*
- * flush v4 I/D caches
- */
- mov r0, #0
- mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */
- mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */
-
- /*
- * disable MMU stuff and caches
- */
- mrc p15, 0, r0, c1, c0, 0
- bic r0, r0, #0x00002300 @ clear bits 13, 9:8 (--V- --RS)
- bic r0, r0, #0x00000087 @ clear bits 7, 2:0 (B--- -CAM)
- orr r0, r0, #0x00000002 @ set bit 2 (A) Align
- orr r0, r0, #0x00001000 @ set bit 12 (I) I-Cache
- orr r0, r0, #0x40000000 @ set bit 30 (nF) notFastBus
- mcr p15, 0, r0, c1, c0, 0
-
-
- /*
- * before relocating, we have to setup RAM timing
- * because memory timing is board-dependend, you will
- * find a lowlevel_init.S in your board directory.
- */
- mov ip, lr
- bl lowlevel_init
- mov lr, ip
-
- mov pc, lr
-
-
-/*
- *************************************************************************
- *
- * Interrupt handling
- *
- *************************************************************************
- */
-
-@
-@ IRQ stack frame.
-@
-#define S_FRAME_SIZE 72
-
-#define S_OLD_R0 68
-#define S_PSR 64
-#define S_PC 60
-#define S_LR 56
-#define S_SP 52
-
-#define S_IP 48
-#define S_FP 44
-#define S_R10 40
-#define S_R9 36
-#define S_R8 32
-#define S_R7 28
-#define S_R6 24
-#define S_R5 20
-#define S_R4 16
-#define S_R3 12
-#define S_R2 8
-#define S_R1 4
-#define S_R0 0
-
-#define MODE_SVC 0x13
-#define I_BIT 0x80
-
-/*
- * use bad_save_user_regs for abort/prefetch/undef/swi ...
- * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
- */
-
- .macro bad_save_user_regs
- sub sp, sp, #S_FRAME_SIZE
- stmia sp, {r0 - r12} @ Calling r0-r12
- ldr r2, IRQ_STACK_START_IN
- ldmia r2, {r2 - r3} @ get pc, cpsr
- add r0, sp, #S_FRAME_SIZE @ restore sp_SVC
-
- add r5, sp, #S_SP
- mov r1, lr
- stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr
- mov r0, sp
- .endm
-
- .macro irq_save_user_regs
- sub sp, sp, #S_FRAME_SIZE
- stmia sp, {r0 - r12} @ Calling r0-r12
- add r8, sp, #S_PC
- stmdb r8, {sp, lr}^ @ Calling SP, LR
- str lr, [r8, #0] @ Save calling PC
- mrs r6, spsr
- str r6, [r8, #4] @ Save CPSR
- str r0, [r8, #8] @ Save OLD_R0
- mov r0, sp
- .endm
-
- .macro irq_restore_user_regs
- ldmia sp, {r0 - lr}^ @ Calling r0 - lr
- mov r0, r0
- ldr lr, [sp, #S_PC] @ Get PC
- add sp, sp, #S_FRAME_SIZE
- subs pc, lr, #4 @ return & move spsr_svc into cpsr
- .endm
-
- .macro get_bad_stack
- ldr r13, IRQ_STACK_START_IN @ setup our mode stack
-
- str lr, [r13] @ save caller lr / spsr
- mrs lr, spsr
- str lr, [r13, #4]
-
- mov r13, #MODE_SVC @ prepare SVC-Mode
- @ msr spsr_c, r13
- msr spsr, r13
- mov lr, pc
- movs pc, lr
- .endm
-
- .macro get_irq_stack @ setup IRQ stack
- ldr sp, IRQ_STACK_START
- .endm
-
- .macro get_fiq_stack @ setup FIQ stack
- ldr sp, FIQ_STACK_START
- .endm
-
-/*
- * exception handlers
- */
- .align 5
-undefined_instruction:
- get_bad_stack
- bad_save_user_regs
- bl do_undefined_instruction
-
- .align 5
-software_interrupt:
- get_bad_stack
- bad_save_user_regs
- bl do_software_interrupt
-
- .align 5
-prefetch_abort:
- get_bad_stack
- bad_save_user_regs
- bl do_prefetch_abort
-
- .align 5
-data_abort:
- get_bad_stack
- bad_save_user_regs
- bl do_data_abort
-
- .align 5
-not_used:
- get_bad_stack
- bad_save_user_regs
- bl do_not_used
-
-#ifdef CONFIG_USE_IRQ
-
- .align 5
-irq:
- get_irq_stack
- irq_save_user_regs
- bl do_irq
- irq_restore_user_regs
-
- .align 5
-fiq:
- get_fiq_stack
- /* someone ought to write a more effiction fiq_save_user_regs */
- irq_save_user_regs
- bl do_fiq
- irq_restore_user_regs
-
-#else
-
- .align 5
-irq:
- get_bad_stack
- bad_save_user_regs
- bl do_irq
-
- .align 5
-fiq:
- get_bad_stack
- bad_save_user_regs
- bl do_fiq
-
-#endif
-
- .align 5
-.globl reset_cpu
-reset_cpu:
- bl disable_interrupts
-
- /* Disable watchdog */
- ldr r1, =pWDTCTL
- mov r3, #0
- str r3, [r1]
-
- /* reset counter */
- ldr r3, =0x00001984
- str r3, [r1, #4]
-
- /* Enable the watchdog */
- mov r3, #1
- str r3, [r1]
-
-_loop_forever:
- b _loop_forever
diff --git a/arch/arm/cpu/lh7a40x/timer.c b/arch/arm/cpu/lh7a40x/timer.c
deleted file mode 100644
index 58b35b1..0000000
--- a/arch/arm/cpu/lh7a40x/timer.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * 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 <lh7a40x.h>
-
-static ulong timer_load_val = 0;
-
-/* macro to read the 16 bit timer */
-static inline ulong READ_TIMER(void)
-{
- lh7a40x_timers_t* timers = LH7A40X_TIMERS_PTR;
- lh7a40x_timer_t* timer = &timers->timer1;
-
- return (timer->value & 0x0000ffff);
-}
-
-static ulong timestamp;
-static ulong lastdec;
-
-int timer_init (void)
-{
- lh7a40x_timers_t* timers = LH7A40X_TIMERS_PTR;
- lh7a40x_timer_t* timer = &timers->timer1;
-
- /* a periodic timer using the 508kHz source */
- timer->control = (TIMER_PER | TIMER_CLK508K);
-
- if (timer_load_val == 0) {
- /*
- * 10ms period with 508.469kHz clock = 5084
- */
- timer_load_val = CONFIG_SYS_HZ/100;
- }
-
- /* load value for 10 ms timeout */
- lastdec = timer->load = timer_load_val;
-
- /* auto load, start timer */
- timer->control = timer->control | TIMER_EN;
- timestamp = 0;
-
- return (0);
-}
-
-/*
- * timer without interrupts
- */
-ulong get_timer (ulong base)
-{
- return (get_timer_masked() - base);
-}
-
-void __udelay (unsigned long usec)
-{
- ulong tmo,tmp;
-
- /* normalize */
- if (usec >= 1000) {
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 1000;
- }
- else {
- if (usec > 1) {
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*1000);
- }
- else
- tmo = 1;
- }
-
- /* check for rollover during this delay */
- tmp = get_timer (0);
- if ((tmp + tmo) < tmp )
- reset_timer_masked(); /* timer would roll over */
- else
- tmo += tmp;
-
- while (get_timer_masked () < tmo);
-}
-
-void reset_timer_masked (void)
-{
- /* reset time */
- lastdec = READ_TIMER();
- timestamp = 0;
-}
-
-ulong get_timer_masked (void)
-{
- ulong now = READ_TIMER();
-
- if (lastdec >= now) {
- /* normal mode */
- timestamp += (lastdec - now);
- } else {
- /* we have an overflow ... */
- timestamp += ((lastdec + timer_load_val) - now);
- }
- lastdec = now;
-
- return timestamp;
-}
-
-void udelay_masked (unsigned long usec)
-{
- ulong tmo;
- ulong endtime;
- signed long diff;
-
- /* normalize */
- if (usec >= 1000) {
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 1000;
- } else {
- if (usec > 1) {
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*1000);
- } else {
- tmo = 1;
- }
- }
-
- endtime = get_timer_masked () + tmo;
-
- do {
- ulong now = get_timer_masked ();
- diff = endtime - now;
- } while (diff >= 0);
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk (void)
-{
- ulong tbclk;
-
- tbclk = timer_load_val * 100;
-
- return tbclk;
-}