This patch adds minimum support for OMAP4. Code which can be shared between OMAP3 and OMAP4 is placed in arch/arm/cpu/armv7/omap-common
Signed-off-by: Aneesh V aneesh@ti.com Signed-off-by: Steve Sakoman steve@sakoman.com --- Makefile | 7 + arch/arm/cpu/armv7/{omap3 => omap-common}/Makefile | 22 +--- arch/arm/cpu/armv7/omap-common/config.mk | 33 ++++++ arch/arm/cpu/armv7/{omap3 => omap-common}/reset.S | 0 arch/arm/cpu/armv7/{omap3 => omap-common}/timer.c | 5 + arch/arm/cpu/armv7/omap3/Makefile | 2 - arch/arm/cpu/armv7/{omap3 => omap4}/Makefile | 16 +-- arch/arm/cpu/armv7/omap4/board.c | 90 +++++++++++++++ .../armv7/{omap3/reset.S => omap4/lowlevel_init.S} | 40 +++++--- .../cpu/armv7/{omap3/reset.S => omap4/sys_info.c} | 50 ++++++--- arch/arm/include/asm/arch-omap4/cpu.h | 94 ++++++++++++++++ arch/arm/include/asm/arch-omap4/omap4.h | 118 ++++++++++++++++++++ .../reset.S => include/asm/arch-omap4/sys_proto.h} | 35 +++--- 13 files changed, 433 insertions(+), 79 deletions(-) copy arch/arm/cpu/armv7/{omap3 => omap-common}/Makefile (77%) create mode 100644 arch/arm/cpu/armv7/omap-common/config.mk copy arch/arm/cpu/armv7/{omap3 => omap-common}/reset.S (100%) rename arch/arm/cpu/armv7/{omap3 => omap-common}/timer.c (96%) copy arch/arm/cpu/armv7/{omap3 => omap4}/Makefile (81%) create mode 100644 arch/arm/cpu/armv7/omap4/board.c copy arch/arm/cpu/armv7/{omap3/reset.S => omap4/lowlevel_init.S} (65%) copy arch/arm/cpu/armv7/{omap3/reset.S => omap4/sys_info.c} (60%) create mode 100644 arch/arm/include/asm/arch-omap4/cpu.h create mode 100644 arch/arm/include/asm/arch-omap4/omap4.h rename arch/arm/{cpu/armv7/omap3/reset.S => include/asm/arch-omap4/sys_proto.h} (64%)
diff --git a/Makefile b/Makefile index 3e11f6f..e520ec4 100644 --- a/Makefile +++ b/Makefile @@ -244,6 +244,13 @@ LIBS += lib/libfdt/libfdt.a LIBS += api/libapi.a LIBS += post/libpost.a
+ifeq ($(SOC),omap3) +LIBS += $(CPUDIR)/omap-common/libomap-common.a +endif +ifeq ($(SOC),omap4) +LIBS += $(CPUDIR)/omap-common/libomap-common.a +endif + LIBS := $(addprefix $(obj),$(LIBS)) .PHONY : $(LIBS) $(TIMESTAMP_FILE) $(VERSION_FILE)
diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile similarity index 77% copy from arch/arm/cpu/armv7/omap3/Makefile copy to arch/arm/cpu/armv7/omap-common/Makefile index 7d63c6b..3a4a304 100644 --- a/arch/arm/cpu/armv7/omap3/Makefile +++ b/arch/arm/cpu/armv7/omap-common/Makefile @@ -23,27 +23,15 @@
include $(TOPDIR)/config.mk
-LIB = $(obj)lib$(SOC).a +LIB = $(obj)libomap-common.a
-SOBJS := lowlevel_init.o -SOBJS += cache.o -SOBJS += reset.o - -COBJS += board.o -COBJS += clock.o -COBJS += gpio.o -COBJS += mem.o -COBJS += syslib.o -COBJS += sys_info.o -COBJS += timer.o - -COBJS-$(CONFIG_EMIF4) += emif4.o -COBJS-$(CONFIG_SDRC) += sdrc.o +SOBJS := reset.o +COBJS := timer.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS)) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-all: $(obj).depend $(LIB) +all: $(obj).depend $(LIB)
$(LIB): $(OBJS) $(AR) $(ARFLAGS) $@ $(OBJS) diff --git a/arch/arm/cpu/armv7/omap-common/config.mk b/arch/arm/cpu/armv7/omap-common/config.mk new file mode 100644 index 0000000..49ac9c7 --- /dev/null +++ b/arch/arm/cpu/armv7/omap-common/config.mk @@ -0,0 +1,33 @@ +# +# (C) Copyright 2002 +# Gary Jennejohn, DENX Software Engineering, garyj@denx.de +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# +PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float + +# Make ARMv5 to allow more compilers to work, even though its v7a. +PLATFORM_CPPFLAGS += -march=armv5 +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\ + $(call cc-option,-malignment-traps,)) diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/cpu/armv7/omap-common/reset.S similarity index 100% copy from arch/arm/cpu/armv7/omap3/reset.S copy to arch/arm/cpu/armv7/omap-common/reset.S diff --git a/arch/arm/cpu/armv7/omap3/timer.c b/arch/arm/cpu/armv7/omap-common/timer.c similarity index 96% rename from arch/arm/cpu/armv7/omap3/timer.c rename to arch/arm/cpu/armv7/omap-common/timer.c index 401bfe6..69e285f 100644 --- a/arch/arm/cpu/armv7/omap3/timer.c +++ b/arch/arm/cpu/armv7/omap-common/timer.c @@ -84,6 +84,11 @@ void set_timer(ulong t) /* delay x useconds */ void __udelay(unsigned long usec) { +#if defined(CONFIG_OMAP44XX) + /* TODO temporary hack until OMAP4 clock setup routines are present */ + if (usec > 1000) + usec = usec/1000; +#endif long tmo = usec * (TIMER_CLOCK / 1000) / 1000; unsigned long now, last = readl(&timer_base->tcrr);
diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap3/Makefile index 7d63c6b..79ae267 100644 --- a/arch/arm/cpu/armv7/omap3/Makefile +++ b/arch/arm/cpu/armv7/omap3/Makefile @@ -27,7 +27,6 @@ LIB = $(obj)lib$(SOC).a
SOBJS := lowlevel_init.o SOBJS += cache.o -SOBJS += reset.o
COBJS += board.o COBJS += clock.o @@ -35,7 +34,6 @@ COBJS += gpio.o COBJS += mem.o COBJS += syslib.o COBJS += sys_info.o -COBJS += timer.o
COBJS-$(CONFIG_EMIF4) += emif4.o COBJS-$(CONFIG_SDRC) += sdrc.o diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap4/Makefile similarity index 81% copy from arch/arm/cpu/armv7/omap3/Makefile copy to arch/arm/cpu/armv7/omap4/Makefile index 7d63c6b..ecf64f9 100644 --- a/arch/arm/cpu/armv7/omap3/Makefile +++ b/arch/arm/cpu/armv7/omap4/Makefile @@ -1,5 +1,5 @@ # -# (C) Copyright 2000-2003 +# (C) Copyright 2000-2010 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # See file CREDITS for list of people who contributed to this @@ -25,23 +25,13 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
-SOBJS := lowlevel_init.o -SOBJS += cache.o -SOBJS += reset.o +SOBJS += lowlevel_init.o
COBJS += board.o -COBJS += clock.o -COBJS += gpio.o -COBJS += mem.o -COBJS += syslib.o COBJS += sys_info.o -COBJS += timer.o - -COBJS-$(CONFIG_EMIF4) += emif4.o -COBJS-$(CONFIG_SDRC) += sdrc.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS)) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
all: $(obj).depend $(LIB)
diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c new file mode 100644 index 0000000..5bf7173 --- /dev/null +++ b/arch/arm/cpu/armv7/omap4/board.c @@ -0,0 +1,90 @@ +/* + * + * Common functions for OMAP4 based boards + * + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * + * Author : + * Aneesh V aneesh@ti.com + * Steve Sakoman steve@sakoman.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 + */ +#include <common.h> +#include <asm/arch/cpu.h> +#include <asm/arch/sys_proto.h> + +/* + * Routine: s_init + * Description: Does early system init of muxing and clocks. + * - Called path is with SRAM stack. + */ +void s_init(void) +{ + watchdog_init(); +} + +/* + * Routine: wait_for_command_complete + * Description: Wait for posting to finish on watchdog + */ +void wait_for_command_complete(struct watchdog *wd_base) +{ + int pending = 1; + do { + pending = readl(&wd_base->wwps); + } while (pending); +} + +/* + * Routine: watchdog_init + * Description: Shut down watch dogs + */ +void watchdog_init(void) +{ + struct watchdog *wd2_base = (struct watchdog *)WDT2_BASE; + + writel(WD_UNLOCK1, &wd2_base->wspr); + wait_for_command_complete(wd2_base); + writel(WD_UNLOCK2, &wd2_base->wspr); +} + +/* + * Routine: dram_init + * Description: sets uboots idea of sdram size + */ +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = 0x80000000; + gd->bd->bi_dram[0].size = 512 << 20; + return 0; +} + +/* + * Print board information + */ +int checkboard(void) +{ + puts(sysinfo.board_string); + return 0; +} + diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/cpu/armv7/omap4/lowlevel_init.S similarity index 65% copy from arch/arm/cpu/armv7/omap3/reset.S copy to arch/arm/cpu/armv7/omap4/lowlevel_init.S index a53c408..9a181eb 100644 --- a/arch/arm/cpu/armv7/omap3/reset.S +++ b/arch/arm/cpu/armv7/omap4/lowlevel_init.S @@ -1,6 +1,11 @@ /* - * Copyright (c) 2009 Samsung Electronics. - * Minkyu Kang mk7.kang@samsung.com + * Board specific setup info + * + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * + * Author : + * Aneesh V aneesh@ti.com * * See file CREDITS for list of people who contributed to this * project. @@ -21,16 +26,23 @@ * MA 02111-1307 USA */
-#include <config.h> +#include <asm/arch/omap4.h> + +.globl lowlevel_init +lowlevel_init: + /* + * Setup a temporary stack + */ + ldr sp, =LOW_LEVEL_SRAM_STACK + + /* + * Save the old lr(passed in ip) and the current lr to stack + */ + push {ip, lr} + + /* + * go setup pll, mux, memory + */ + bl s_init + pop {ip, pc}
-.global reset_cpu -reset_cpu: - ldr r1, rstctl @ get addr for global reset - @ reg - mov r3, #0x2 @ full reset pll + mpu - str r3, [r1] @ force reset - mov r0, r0 -_loop_forever: - b _loop_forever -rstctl: - .word PRM_RSTCTRL diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/cpu/armv7/omap4/sys_info.c similarity index 60% copy from arch/arm/cpu/armv7/omap3/reset.S copy to arch/arm/cpu/armv7/omap4/sys_info.c index a53c408..3b73191 100644 --- a/arch/arm/cpu/armv7/omap3/reset.S +++ b/arch/arm/cpu/armv7/omap4/sys_info.c @@ -1,9 +1,10 @@ /* - * Copyright (c) 2009 Samsung Electronics. - * Minkyu Kang mk7.kang@samsung.com + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> * - * See file CREDITS for list of people who contributed to this - * project. + * Author : + * Aneesh V aneesh@ti.com + * Steve Sakoman steve@sakoman.com * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -21,16 +22,33 @@ * MA 02111-1307 USA */
-#include <config.h> +#include <common.h> +#include <asm/arch/sys_proto.h> + +/* + * get_device_type(): tell if GP/HS/EMU/TST + */ +u32 get_device_type(void) +{ + return 0; +} + +/* + * get_board_rev() - get board revision + */ +u32 get_board_rev(void) +{ + return 0x20; +} + +/* + * Print CPU information + */ +int print_cpuinfo(void) +{ + + puts("CPU : OMAP4430\n"); + + return 0; +}
-.global reset_cpu -reset_cpu: - ldr r1, rstctl @ get addr for global reset - @ reg - mov r3, #0x2 @ full reset pll + mpu - str r3, [r1] @ force reset - mov r0, r0 -_loop_forever: - b _loop_forever -rstctl: - .word PRM_RSTCTRL diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h new file mode 100644 index 0000000..7d8aa20 --- /dev/null +++ b/arch/arm/include/asm/arch-omap4/cpu.h @@ -0,0 +1,94 @@ +/* + * (C) Copyright 2006-2010 + * Texas Instruments, <www.ti.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 + * + */ + +#ifndef _CPU_H +#define _CPU_H + +#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) +#include <asm/types.h> +#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */ + +#ifndef __KERNEL_STRICT_NAMES +#ifndef __ASSEMBLY__ +struct gptimer { + u32 tidr; /* 0x00 r */ + u8 res[0xc]; + u32 tiocp_cfg; /* 0x10 rw */ + u32 tistat; /* 0x14 r */ + u32 tisr; /* 0x18 rw */ + u32 tier; /* 0x1c rw */ + u32 twer; /* 0x20 rw */ + u32 tclr; /* 0x24 rw */ + u32 tcrr; /* 0x28 rw */ + u32 tldr; /* 0x2c rw */ + u32 ttgr; /* 0x30 rw */ + u32 twpc; /* 0x34 r */ + u32 tmar; /* 0x38 rw */ + u32 tcar1; /* 0x3c r */ + u32 tcicr; /* 0x40 rw */ + u32 tcar2; /* 0x44 r */ +}; +#endif /* __ASSEMBLY__ */ +#endif /* __KERNEL_STRICT_NAMES */ + +/* enable sys_clk NO-prescale /1 */ +#define GPT_EN ((0x0 << 2) | (0x1 << 1) | (0x1 << 0)) + +/* Watchdog */ +#ifndef __KERNEL_STRICT_NAMES +#ifndef __ASSEMBLY__ +struct watchdog { + u8 res1[0x34]; + u32 wwps; /* 0x34 r */ + u8 res2[0x10]; + u32 wspr; /* 0x48 rw */ +}; +#endif /* __ASSEMBLY__ */ +#endif /* __KERNEL_STRICT_NAMES */ + +#define WD_UNLOCK1 0xAAAA +#define WD_UNLOCK2 0x5555 + +#define SYSCLKDIV_1 (0x1 << 6) +#define SYSCLKDIV_2 (0x1 << 7) + +#define CLKSEL_GPT1 (0x1 << 0) + +#define EN_GPT1 (0x1 << 0) +#define EN_32KSYNC (0x1 << 2) + +#define ST_WDT2 (0x1 << 5) + +#define RESETDONE (0x1 << 0) + +#define TCLR_ST (0x1 << 0) +#define TCLR_AR (0x1 << 1) +#define TCLR_PRE (0x1 << 5) + +/* I2C base */ +#define I2C_BASE1 (OMAP44XX_L4_PER_BASE + 0x70000) +#define I2C_BASE2 (OMAP44XX_L4_PER_BASE + 0x72000) +#define I2C_BASE3 (OMAP44XX_L4_PER_BASE + 0x60000) + +#endif /* _CPU_H */ diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h new file mode 100644 index 0000000..d123d6a --- /dev/null +++ b/arch/arm/include/asm/arch-omap4/omap4.h @@ -0,0 +1,118 @@ +/* + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * + * Authors: + * Aneesh V aneesh@ti.com + * + * Derived from OMAP3 work by + * Richard Woodruff r-woodruff2@ti.com + * Syed Mohammed Khasim x0khasim@ti.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 + */ + +#ifndef _OMAP4_H_ +#define _OMAP4_H_ + +#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) +#include <asm/types.h> +#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */ + +/* + * L4 Peripherals - L4 Wakeup and L4 Core now + */ +#define OMAP44XX_L4_CORE_BASE 0x4A000000 +#define OMAP44XX_L4_WKUP_BASE 0x4A300000 +#define OMAP44XX_L4_PER_BASE 0x48000000 + +/* CONTROL */ +#define CTRL_BASE (OMAP44XX_L4_CORE_BASE + 0x2000) + +/* UART */ +#define UART1_BASE (OMAP44XX_L4_PER_BASE + 0x6a000) +#define UART2_BASE (OMAP44XX_L4_PER_BASE + 0x6c000) +#define UART3_BASE (OMAP44XX_L4_PER_BASE + 0x20000) + +/* General Purpose Timers */ +#define GPT1_BASE (OMAP44XX_L4_WKUP_BASE + 0x18000) +#define GPT2_BASE (OMAP44XX_L4_PER_BASE + 0x32000) +#define GPT3_BASE (OMAP44XX_L4_PER_BASE + 0x34000) + +/* Watchdog Timer2 - MPU watchdog */ +#define WDT2_BASE (OMAP44XX_L4_WKUP_BASE + 0x14000) + +/* 32KTIMER */ +#define SYNC_32KTIMER_BASE (OMAP44XX_L4_WKUP_BASE + 0x4000) + +/* GPMC */ +#define GPMC_BASE 0x50000000 + +/* + * Hardware Register Details + */ + +/* Watchdog Timer */ +#define WD_UNLOCK1 0xAAAA +#define WD_UNLOCK2 0x5555 + +/* GP Timer */ +#define TCLR_ST (0x1 << 0) +#define TCLR_AR (0x1 << 1) +#define TCLR_PRE (0x1 << 5) + +/* + * PRCM + */ + +/* PRM */ +#define PRM_BASE 0x4A306000 +#define PRM_DEVICE_BASE (PRM_BASE + 0x1B00) + +#define PRM_RSTCTRL PRM_DEVICE_BASE + +#ifndef __ASSEMBLY__ + +struct s32ktimer { + unsigned char res[0x10]; + unsigned int s32k_cr; /* 0x10 */ +}; + +#endif /* __ASSEMBLY__ */ + +/* + * Non-secure SRAM Addresses + * Non-secure RAM starts at 0x40300000 for GP devices. But we keep SRAM_BASE + * at 0x40304000(EMU base) so that our code works for both EMU and GP + */ +#define NON_SECURE_SRAM_START 0x40304000 +#define NON_SECURE_SRAM_END 0x4030E000 /* Not inclusive */ +/* base address for indirect vectors (internal boot mode) */ +#define SRAM_ROM_VECT_BASE 0x4030D000 +/* Temporary SRAM stack used while low level init is done */ +#define LOW_LEVEL_SRAM_STACK NON_SECURE_SRAM_END + +/* + * OMAP4 real hardware: + * TODO: Change this to the IDCODE in the hw regsiter + */ +#define CPU_OMAP4430_ES10 1 +#define CPU_OMAP4430_ES20 2 + +#endif diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/include/asm/arch-omap4/sys_proto.h similarity index 64% rename from arch/arm/cpu/armv7/omap3/reset.S rename to arch/arm/include/asm/arch-omap4/sys_proto.h index a53c408..6f4d3d5 100644 --- a/arch/arm/cpu/armv7/omap3/reset.S +++ b/arch/arm/include/asm/arch-omap4/sys_proto.h @@ -1,9 +1,6 @@ /* - * Copyright (c) 2009 Samsung Electronics. - * Minkyu Kang mk7.kang@samsung.com - * - * See file CREDITS for list of people who contributed to this - * project. + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -21,16 +18,20 @@ * MA 02111-1307 USA */
-#include <config.h> +#ifndef _SYS_PROTO_H_ +#define _SYS_PROTO_H_ + +#include <asm/arch/omap4.h> +#include <asm/io.h> + +struct omap_sysinfo { + char *board_string; +}; + +void watchdog_init(void); +u32 get_device_type(void); +void invalidate_dcache(u32); + +extern const struct omap_sysinfo sysinfo;
-.global reset_cpu -reset_cpu: - ldr r1, rstctl @ get addr for global reset - @ reg - mov r3, #0x2 @ full reset pll + mpu - str r3, [r1] @ force reset - mov r0, r0 -_loop_forever: - b _loop_forever -rstctl: - .word PRM_RSTCTRL +#endif