--- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1888,7 +1888,7 @@ config XIP_PHYS_ADDR config KEXEC bool "Kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL + depends on EXPERIMENTAL && (!SMP || HOTPLUG_CPU) help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot --- /dev/null +++ b/arch/arm/include/asm/idmap.h @@ -0,0 +1,11 @@ +#ifndef __ASM_IDMAP_H +#define __ASM_IDMAP_H + +#include <linux/compiler.h> + +/* Tag a function as requiring to be executed via an identity mapping. */ +#define __idmap __section(.idmap.text) noinline notrace + +void setup_mm_for_reboot(void); + +#endif /* __ASM_IDMAP_H */ --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -30,10 +30,10 @@ struct machine_desc { unsigned int video_start; /* start of video RAM */ unsigned int video_end; /* end of video RAM */ - unsigned int reserve_lp0 :1; /* never has lp0 */ - unsigned int reserve_lp1 :1; /* never has lp1 */ - unsigned int reserve_lp2 :1; /* never has lp2 */ - unsigned int soft_reboot :1; /* soft reboot */ + unsigned char reserve_lp0 :1; /* never has lp0 */ + unsigned char reserve_lp1 :1; /* never has lp1 */ + unsigned char reserve_lp2 :1; /* never has lp2 */ + char restart_mode; /* default restart mode */ void (*fixup)(struct machine_desc *, struct tag *, char **, struct meminfo *); @@ -46,6 +46,7 @@ struct machine_desc { #ifdef CONFIG_MULTI_IRQ_HANDLER void (*handle_irq)(struct pt_regs *); #endif + void (*restart)(char, const char *); }; /* --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -107,7 +107,7 @@ extern void __show_regs(struct pt_regs * extern int cpu_architecture(void); extern void cpu_init(void); -void arm_machine_restart(char mode, const char *cmd); +void soft_restart(unsigned long); extern void (*arm_pm_restart)(char str, const char *cmd); #define UDBG_UNDEFINED (1 << 0) --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -12,12 +12,11 @@ #include <asm/mmu_context.h> #include <asm/cacheflush.h> #include <asm/mach-types.h> +#include <asm/system.h> extern const unsigned char relocate_new_kernel[]; extern const unsigned int relocate_new_kernel_size; -extern void setup_mm_for_reboot(char mode); - extern unsigned long kexec_start_address; extern unsigned long kexec_indirection_page; extern unsigned long kexec_mach_type; @@ -111,14 +110,6 @@ void machine_kexec(struct kimage *image) if (kexec_reinit) kexec_reinit(); - local_irq_disable(); - local_fiq_disable(); - setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/ - flush_cache_all(); - outer_flush_all(); - outer_disable(); - cpu_proc_fin(); - outer_inv_all(); - flush_cache_all(); - cpu_reset(reboot_code_buffer_phys); + + soft_restart(reboot_code_buffer_phys); } --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -57,7 +57,7 @@ static const char *isa_modes[] = { "ARM" , "Thumb" , "Jazelle", "ThumbEE" }; -extern void setup_mm_for_reboot(char mode); +extern void setup_mm_for_reboot(void); static volatile int hlt_counter; @@ -92,40 +92,64 @@ static int __init hlt_setup(char *__unus __setup("nohlt", nohlt_setup); __setup("hlt", hlt_setup); -void arm_machine_restart(char mode, const char *cmd) +extern void call_with_stack(void (*fn)(void *), void *arg, void *sp); +typedef void (*phys_reset_t)(unsigned long); + +/* + * A temporary stack to use for CPU reset. This is static so that we + * don't clobber it with the identity mapping. When running with this + * stack, any references to the current task *will not work* so you + * should really do as little as possible before jumping to your reset + * code. + */ +#define SOFT_RESTART_STACK_WORDS 32 +static u32 soft_restart_stack[SOFT_RESTART_STACK_WORDS]; + +static void __soft_restart(void *addr) { - /* Disable interrupts first */ - local_irq_disable(); - local_fiq_disable(); + phys_reset_t phys_reset; - /* - * Tell the mm system that we are going to reboot - - * we may need it to insert some 1:1 mappings so that - * soft boot works. - */ - setup_mm_for_reboot(mode); + /* Take out a flat memory mapping. */ + setup_mm_for_reboot(); - /* Clean and invalidate caches */ + /* Clean and invalidate caches. */ flush_cache_all(); - /* Turn off caching */ + /* Turn off caching. */ cpu_proc_fin(); /* Push out any further dirty data, and ensure cache is empty */ flush_cache_all(); - /* - * Now call the architecture specific reboot code. - */ - arch_reset(mode, cmd); - - /* - * Whoops - the architecture was unable to reboot. - * Tell the user! - */ - mdelay(1000); - printk("Reboot failed -- System halted\n"); - while (1); + /* Switch to the identity mapping. */ + phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset); + phys_reset((unsigned long)addr); + + /* Should never get here. */ + BUG(); +} + +void soft_restart(unsigned long addr) +{ + u32 *stack = soft_restart_stack + SOFT_RESTART_STACK_WORDS; + + /* Disable interrupts first */ + local_irq_disable(); + local_fiq_disable(); + + /* Disable the L2 if we're the last man standing. */ + if (num_online_cpus() == 1) + outer_disable(); + + /* Change to the new stack and continue with the reset. */ + call_with_stack(__soft_restart, (void *)addr, (void *)stack); + + /* Should never get here. */ + BUG(); +} + +static void null_restart(char mode, const char *cmd) +{ } /* @@ -134,7 +158,7 @@ void arm_machine_restart(char mode, cons void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -void (*arm_pm_restart)(char str, const char *cmd) = arm_machine_restart; +void (*arm_pm_restart)(char str, const char *cmd) = null_restart; EXPORT_SYMBOL_GPL(arm_pm_restart); static void do_nothing(void *unused) @@ -253,7 +277,15 @@ void machine_power_off(void) void machine_restart(char *cmd) { machine_shutdown(); + arm_pm_restart(reboot_mode, cmd); + + /* Give a grace period for failure to restart of 1s */ + mdelay(1000); + + /* Whoops - the platform was unable to reboot. Tell the user! */ + printk("Reboot failed -- System halted\n"); + while (1); } void __show_regs(struct pt_regs *regs) --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -896,8 +896,8 @@ void __init setup_arch(char **cmdline_p) arm_dma_zone_size = mdesc->dma_zone_size; } #endif - if (mdesc->soft_reboot) - reboot_setup("s"); + if (mdesc->restart_mode) + reboot_setup(&mdesc->restart_mode); init_mm.start_code = (unsigned long) _text; init_mm.end_code = (unsigned long) _etext; @@ -916,6 +916,9 @@ void __init setup_arch(char **cmdline_p) paging_init(mdesc); request_standard_resources(mdesc); + if (mdesc->restart) + arm_pm_restart = mdesc->restart; + unflatten_device_tree(); #ifdef CONFIG_SMP --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -558,6 +558,10 @@ static void ipi_cpu_stop(unsigned int cp local_fiq_disable(); local_irq_disable(); +#ifdef CONFIG_HOTPLUG_CPU + platform_cpu_kill(cpu); +#endif + while (1) cpu_relax(); } --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -91,6 +91,7 @@ SECTIONS SCHED_TEXT LOCK_TEXT KPROBES_TEXT + IDMAP_TEXT #ifdef CONFIG_MMU *(.fixup) #endif --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -13,7 +13,8 @@ lib-y := backtrace.o changebit.o csumip testchangebit.o testclearbit.o testsetbit.o \ ashldi3.o ashrdi3.o lshrdi3.o muldi3.o \ ucmpdi2.o lib1funcs.o div64.o \ - io-readsb.o io-writesb.o io-readsl.o io-writesl.o + io-readsb.o io-writesb.o io-readsl.o io-writesl.o \ + call_with_stack.o mmu-y := clear_user.o copy_page.o getuser.o putuser.o --- /dev/null +++ b/arch/arm/lib/call_with_stack.S @@ -0,0 +1,44 @@ +/* + * arch/arm/lib/call_with_stack.S + * + * Copyright (C) 2011 ARM Ltd. + * Written by Will Deacon <will.deacon@arm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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 <linux/linkage.h> +#include <asm/assembler.h> + +/* + * void call_with_stack(void (*fn)(void *), void *arg, void *sp) + * + * Change the stack to that pointed at by sp, then invoke fn(arg) with + * the new stack. + */ +ENTRY(call_with_stack) + str sp, [r2, #-4]! + str lr, [r2, #-4]! + + mov sp, r2 + mov r2, r0 + mov r0, r1 + + adr lr, BSYM(1f) + mov pc, r2 + +1: ldr lr, [sp] + ldr sp, [sp, #4] + mov pc, lr +ENDPROC(call_with_stack) --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -34,7 +34,7 @@ #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc.h> #include <plat/usb.h> #include <plat/gpmc-smc91x.h> @@ -264,4 +264,5 @@ MACHINE_START(OMAP_2430SDP, "OMAP2430 sd .init_irq = omap2_init_irq, .init_machine = omap_2430sdp_init, .timer = &omap2_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -33,7 +33,7 @@ #include <plat/mcspi.h> #include <plat/board.h> #include <plat/usb.h> -#include <plat/common.h> +#include "common.h" #include <plat/dma.h> #include <plat/gpmc.h> #include <video/omapdss.h> @@ -736,4 +736,5 @@ MACHINE_START(OMAP_3430SDP, "OMAP3430 34 .init_irq = omap3_init_irq, .init_machine = omap_3430sdp_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-3630sdp.c +++ b/arch/arm/mach-omap2/board-3630sdp.c @@ -16,7 +16,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <plat/common.h> +#include "common.h" #include <plat/board.h> #include <plat/gpmc-smc91x.h> #include <plat/usb.h> @@ -222,4 +222,5 @@ MACHINE_START(OMAP_3630SDP, "OMAP 3630SD .init_irq = omap3_init_irq, .init_machine = omap_sdp_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -27,13 +27,12 @@ #include <linux/leds_pwm.h> #include <mach/hardware.h> -#include <mach/omap4-common.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/usb.h> #include <plat/mmc.h> #include <plat/omap4-keypad.h> @@ -845,4 +844,5 @@ MACHINE_START(OMAP_4430SDP, "OMAP4430 44 .init_irq = gic_init_irq, .init_machine = omap_4430sdp_init, .timer = &omap4_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-am3517crane.c +++ b/arch/arm/mach-omap2/board-am3517crane.c @@ -27,7 +27,7 @@ #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/usb.h> #include "mux.h" @@ -105,4 +105,5 @@ MACHINE_START(CRANEBOARD, "AM3517/05 CRA .init_irq = omap3_init_irq, .init_machine = am3517_crane_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -32,7 +32,7 @@ #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/usb.h> #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> @@ -497,4 +497,5 @@ MACHINE_START(OMAP3517EVM, "OMAP3517/AM3 .init_irq = omap3_init_irq, .init_machine = am3517_evm_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-apollon.c +++ b/arch/arm/mach-omap2/board-apollon.c @@ -37,7 +37,7 @@ #include <plat/led.h> #include <plat/usb.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc.h> #include "mux.h" @@ -357,4 +357,5 @@ MACHINE_START(OMAP_APOLLON, "OMAP24xx Ap .init_irq = omap2_init_irq, .init_machine = omap_apollon_init, .timer = &omap2_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -37,7 +37,7 @@ #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/nand.h> #include <plat/gpmc.h> #include <plat/usb.h> @@ -641,6 +641,7 @@ MACHINE_START(CM_T35, "Compulab CM-T35") .init_irq = omap3_init_irq, .init_machine = cm_t35_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END MACHINE_START(CM_T3730, "Compulab CM-T3730") @@ -651,4 +652,5 @@ MACHINE_START(CM_T3730, "Compulab CM-T37 .init_irq = omap3_init_irq, .init_machine = cm_t3730_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -39,7 +39,7 @@ #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/usb.h> #include <plat/nand.h> #include <plat/gpmc.h> @@ -306,4 +306,5 @@ MACHINE_START(CM_T3517, "Compulab CM-T35 .init_irq = omap3_init_irq, .init_machine = cm_t3517_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -41,7 +41,7 @@ #include <asm/mach/flash.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> @@ -674,4 +674,5 @@ MACHINE_START(DEVKIT8000, "OMAP3 Devkit8 .init_irq = devkit8000_init_irq, .init_machine = devkit8000_init, .timer = &omap3_secure_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -34,7 +34,7 @@ #include <mach/gpio.h> #include <plat/usb.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/keypad.h> #include <plat/menelaus.h> #include <plat/dma.h> @@ -389,4 +389,5 @@ MACHINE_START(OMAP_H4, "OMAP2420 H4 boar .init_irq = omap_h4_init_irq, .init_machine = omap_h4_init, .timer = &omap2_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -28,7 +28,7 @@ #include <asm/mach/arch.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc.h> #include <plat/usb.h> #include <video/omapdss.h> @@ -679,6 +679,7 @@ MACHINE_START(IGEP0020, "IGEP v2 board") .init_irq = omap3_init_irq, .init_machine = igep_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END MACHINE_START(IGEP0030, "IGEP OMAP3 module") @@ -689,4 +690,5 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 modu .init_irq = omap3_init_irq, .init_machine = igep_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -36,7 +36,7 @@ #include <plat/mcspi.h> #include <mach/gpio.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc.h> #include <mach/board-zoom.h> @@ -340,4 +340,5 @@ MACHINE_START(OMAP_LDP, "OMAP LDP board" .init_irq = omap3_init_irq, .init_machine = omap_ldp_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -26,7 +26,7 @@ #include <asm/mach-types.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/menelaus.h> #include <mach/irqs.h> #include <plat/mcspi.h> @@ -702,6 +702,7 @@ MACHINE_START(NOKIA_N800, "Nokia N800") .init_irq = omap2_init_irq, .init_machine = n8x0_init_machine, .timer = &omap2_timer, + .restart = omap_prcm_restart, MACHINE_END MACHINE_START(NOKIA_N810, "Nokia N810") @@ -712,6 +713,7 @@ MACHINE_START(NOKIA_N810, "Nokia N810") .init_irq = omap2_init_irq, .init_machine = n8x0_init_machine, .timer = &omap2_timer, + .restart = omap_prcm_restart, MACHINE_END MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") @@ -722,4 +724,5 @@ MACHINE_START(NOKIA_N810_WIMAX, "Nokia N .init_irq = omap2_init_irq, .init_machine = n8x0_init_machine, .timer = &omap2_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -40,7 +40,7 @@ #include <asm/mach/flash.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> #include <plat/gpmc.h> @@ -564,4 +564,5 @@ MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagl .init_irq = omap3_beagle_init_irq, .init_machine = omap3_beagle_init, .timer = &omap3_secure_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -42,7 +42,7 @@ #include <plat/board.h> #include <plat/usb.h> -#include <plat/common.h> +#include "common.h" #include <plat/mcspi.h> #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> @@ -688,4 +688,5 @@ MACHINE_START(OMAP3EVM, "OMAP3 EVM") .init_irq = omap3_init_irq, .init_machine = omap3_evm_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-omap3logic.c +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -40,7 +40,7 @@ #include <plat/mux.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc-smsc911x.h> #include <plat/gpmc.h> #include <plat/sdrc.h> @@ -215,6 +215,7 @@ MACHINE_START(OMAP3_TORPEDO, "Logic OMAP .init_irq = omap3_init_irq, .init_machine = omap3logic_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") @@ -224,4 +225,5 @@ MACHINE_START(OMAP3530_LV_SOM, "OMAP Log .init_irq = omap3_init_irq, .init_machine = omap3logic_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -41,7 +41,7 @@ #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <mach/hardware.h> #include <plat/mcspi.h> #include <plat/usb.h> @@ -613,4 +613,5 @@ MACHINE_START(OMAP3_PANDORA, "Pandora Ha .init_irq = omap3_init_irq, .init_machine = omap3pandora_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -35,7 +35,7 @@ #include <asm/mach/flash.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> @@ -500,4 +500,5 @@ MACHINE_START(SBC3530, "OMAP3 STALKER") .init_irq = omap3_stalker_init_irq, .init_machine = omap3_stalker_init, .timer = &omap3_secure_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -44,7 +44,7 @@ #include <asm/mach/flash.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> @@ -411,4 +411,5 @@ MACHINE_START(TOUCHBOOK, "OMAP3 touchboo .init_irq = omap3_touchbook_init_irq, .init_machine = omap3_touchbook_init, .timer = &omap3_secure_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -30,14 +30,13 @@ #include <linux/wl12xx.h> #include <mach/hardware.h> -#include <mach/omap4-common.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <video/omapdss.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/usb.h> #include <plat/mmc.h> #include <video/omap-panel-generic-dpi.h> @@ -590,4 +589,5 @@ MACHINE_START(OMAP4_PANDA, "OMAP4 Panda .init_irq = gic_init_irq, .init_machine = omap4_panda_init, .timer = &omap4_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -43,7 +43,7 @@ #include <asm/mach/map.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> #include <plat/gpmc.h> @@ -568,4 +568,5 @@ MACHINE_START(OVERO, "Gumstix Overo") .init_irq = omap3_init_irq, .init_machine = overo_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-rm680.c +++ b/arch/arm/mach-omap2/board-rm680.c @@ -25,7 +25,7 @@ #include <plat/mmc.h> #include <plat/usb.h> #include <plat/gpmc.h> -#include <plat/common.h> +#include "common.h" #include <plat/onenand.h> #include "mux.h" @@ -160,4 +160,5 @@ MACHINE_START(NOKIA_RM680, "Nokia RM-680 .init_irq = omap3_init_irq, .init_machine = rm680_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -27,7 +27,7 @@ #include <plat/mcspi.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/dma.h> #include <plat/gpmc.h> #include <plat/onenand.h> --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -25,7 +25,7 @@ #include <plat/mcspi.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" #include <plat/dma.h> #include <plat/gpmc.h> #include <plat/usb.h> @@ -163,4 +163,5 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 b .init_irq = omap3_init_irq, .init_machine = rx51_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-ti8168evm.c +++ b/arch/arm/mach-omap2/board-ti8168evm.c @@ -22,7 +22,7 @@ #include <plat/irqs.h> #include <plat/board.h> -#include <plat/common.h> +#include "common.h" static struct omap_board_config_kernel ti8168_evm_config[] __initdata = { }; @@ -54,4 +54,5 @@ MACHINE_START(TI8168EVM, "ti8168evm") .init_irq = ti816x_init_irq, .timer = &omap3_timer, .init_machine = ti8168_evm_init, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/board-zoom-peripherals.c +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c @@ -24,7 +24,7 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <plat/common.h> +#include "common.h" #include <plat/usb.h> #include <mach/board-zoom.h> --- a/arch/arm/mach-omap2/board-zoom.c +++ b/arch/arm/mach-omap2/board-zoom.c @@ -21,7 +21,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <plat/common.h> +#include "common.h" #include <plat/board.h> #include <plat/usb.h> @@ -140,6 +140,7 @@ MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 bo .init_irq = omap3_init_irq, .init_machine = omap_zoom_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board") @@ -150,4 +151,5 @@ MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 bo .init_irq = omap3_init_irq, .init_machine = omap_zoom_init, .timer = &omap3_timer, + .restart = omap_prcm_restart, MACHINE_END --- a/arch/arm/mach-omap2/cm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.c @@ -18,7 +18,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include "cm.h" #include "cm2xxx_3xxx.h" --- a/arch/arm/mach-omap2/cm44xx.c +++ b/arch/arm/mach-omap2/cm44xx.c @@ -18,7 +18,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include "cm.h" #include "cm1_44xx.h" --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -20,7 +20,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include "cm.h" #include "cm1_44xx.h" --- a/arch/arm/mach-omap2/common.c +++ b/arch/arm/mach-omap2/common.c @@ -17,7 +17,7 @@ #include <linux/clk.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include <plat/board.h> #include <plat/mux.h> --- /dev/null +++ b/arch/arm/mach-omap2/common.h @@ -0,0 +1,186 @@ +/* + * Header for code common to all OMAP2+ machines. + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H +#define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H + +#include <linux/delay.h> +#include <plat/common.h> + +#ifdef CONFIG_SOC_OMAP2420 +extern void omap242x_map_common_io(void); +#else +static inline void omap242x_map_common_io(void) +{ +} +#endif + +#ifdef CONFIG_SOC_OMAP2430 +extern void omap243x_map_common_io(void); +#else +static inline void omap243x_map_common_io(void) +{ +} +#endif + +#ifdef CONFIG_ARCH_OMAP3 +extern void omap34xx_map_common_io(void); +#else +static inline void omap34xx_map_common_io(void) +{ +} +#endif + +#ifdef CONFIG_SOC_OMAPTI816X +extern void omapti816x_map_common_io(void); +#else +static inline void omapti816x_map_common_io(void) +{ +} +#endif + +#ifdef CONFIG_ARCH_OMAP4 +extern void omap44xx_map_common_io(void); +#else +static inline void omap44xx_map_common_io(void) +{ +} +#endif + +extern void omap2_init_common_infrastructure(void); + +extern struct sys_timer omap2_timer; +extern struct sys_timer omap3_timer; +extern struct sys_timer omap3_secure_timer; +extern struct sys_timer omap4_timer; + +void omap2420_init_early(void); +void omap2430_init_early(void); +void omap3430_init_early(void); +void omap35xx_init_early(void); +void omap3630_init_early(void); +void omap3_init_early(void); /* Do not use this one */ +void am35xx_init_early(void); +void ti816x_init_early(void); +void omap4430_init_early(void); +void omap_prcm_restart(char, const char *); + +/* + * IO bases for various OMAP processors + * Except the tap base, rest all the io bases + * listed are physical addresses. + */ +struct omap_globals { + u32 class; /* OMAP class to detect */ + void __iomem *tap; /* Control module ID code */ + void __iomem *sdrc; /* SDRAM Controller */ + void __iomem *sms; /* SDRAM Memory Scheduler */ + void __iomem *ctrl; /* System Control Module */ + void __iomem *ctrl_pad; /* PAD Control Module */ + void __iomem *prm; /* Power and Reset Management */ + void __iomem *cm; /* Clock Management */ + void __iomem *cm2; +}; + +void omap2_set_globals_242x(void); +void omap2_set_globals_243x(void); +void omap2_set_globals_3xxx(void); +void omap2_set_globals_443x(void); +void omap2_set_globals_ti816x(void); + +/* These get called from omap2_set_globals_xxxx(), do not call these */ +void omap2_set_globals_tap(struct omap_globals *); +void omap2_set_globals_sdrc(struct omap_globals *); +void omap2_set_globals_control(struct omap_globals *); +void omap2_set_globals_prcm(struct omap_globals *); + +void omap242x_map_io(void); +void omap243x_map_io(void); +void omap3_map_io(void); +void omap4_map_io(void); + +/** + * omap_test_timeout - busy-loop, testing a condition + * @cond: condition to test until it evaluates to true + * @timeout: maximum number of microseconds in the timeout + * @index: loop index (integer) + * + * Loop waiting for @cond to become true or until at least @timeout + * microseconds have passed. To use, define some integer @index in the + * calling code. After running, if @index == @timeout, then the loop has + * timed out. + */ +#define omap_test_timeout(cond, timeout, index) \ +({ \ + for (index = 0; index < timeout; index++) { \ + if (cond) \ + break; \ + udelay(1); \ + } \ +}) + +extern struct device *omap2_get_mpuss_device(void); +extern struct device *omap2_get_iva_device(void); +extern struct device *omap2_get_l3_device(void); +extern struct device *omap4_get_dsp_device(void); + +void omap2_init_irq(void); +void omap3_init_irq(void); +void ti816x_init_irq(void); +extern int omap_irq_pending(void); +void omap_intc_save_context(void); +void omap_intc_restore_context(void); +void omap3_intc_suspend(void); +void omap3_intc_prepare_idle(void); +void omap3_intc_resume_idle(void); + +/* + * wfi used in low power code. Directly opcode is used instead + * of instruction to avoid mulit-omap build break + */ +#ifdef CONFIG_THUMB2_KERNEL +#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory") +#else +#define do_wfi() \ + __asm__ __volatile__ (".word 0xe320f003" : : : "memory") +#endif + +#ifdef CONFIG_CACHE_L2X0 +extern void __iomem *l2cache_base; +#endif + +extern void __iomem *gic_dist_base_addr; + +extern void __init gic_init_irq(void); +extern void omap_smc1(u32 fn, u32 arg); + +#ifdef CONFIG_SMP +/* Needed for secondary core boot */ +extern void omap_secondary_startup(void); +extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); +extern void omap_auxcoreboot_addr(u32 cpu_addr); +extern u32 omap_read_auxcoreboot0(void); +#endif + +#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -15,7 +15,7 @@ #include <linux/kernel.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include <plat/sdrc.h> #include "cm-regbits-34xx.h" --- a/arch/arm/mach-omap2/i2c.c +++ b/arch/arm/mach-omap2/i2c.c @@ -21,7 +21,7 @@ #include <plat/cpu.h> #include <plat/i2c.h> -#include <plat/common.h> +#include "common.h" #include <plat/omap_hwmod.h> #include "mux.h" --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -21,7 +21,7 @@ #include <asm/cputype.h> -#include <plat/common.h> +#include "common.h" #include <plat/cpu.h> #include <mach/id.h> --- a/arch/arm/mach-omap2/include/mach/omap4-common.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * omap4-common.h: OMAP4 specific common header file - * - * Copyright (C) 2010 Texas Instruments, Inc. - * - * Author: - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef OMAP_ARCH_OMAP4_COMMON_H -#define OMAP_ARCH_OMAP4_COMMON_H - -/* - * wfi used in low power code. Directly opcode is used instead - * of instruction to avoid mulit-omap build break - */ -#ifdef CONFIG_THUMB2_KERNEL -#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory") -#else -#define do_wfi() \ - __asm__ __volatile__ (".word 0xe320f003" : : : "memory") -#endif - -#ifdef CONFIG_CACHE_L2X0 -extern void __iomem *l2cache_base; -#endif - -extern void __iomem *gic_dist_base_addr; - -extern void __init gic_init_irq(void); -extern void omap_smc1(u32 fn, u32 arg); - -#ifdef CONFIG_SMP -/* Needed for secondary core boot */ -extern void omap_secondary_startup(void); -extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); -extern void omap_auxcoreboot_addr(u32 cpu_addr); -extern u32 omap_read_auxcoreboot0(void); -#endif -#endif --- a/arch/arm/mach-omap2/omap-hotplug.c +++ b/arch/arm/mach-omap2/omap-hotplug.c @@ -19,7 +19,8 @@ #include <linux/smp.h> #include <asm/cacheflush.h> -#include <mach/omap4-common.h> + +#include "common.h" int platform_cpu_kill(unsigned int cpu) { --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -24,7 +24,8 @@ #include <asm/hardware/gic.h> #include <asm/smp_scu.h> #include <mach/hardware.h> -#include <mach/omap4-common.h> + +#include "common.h" /* SCU base address */ static void __iomem *scu_base; --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -22,7 +22,8 @@ #include <plat/irqs.h> #include <mach/hardware.h> -#include <mach/omap4-common.h> + +#include "common.h" #ifdef CONFIG_CACHE_L2X0 void __iomem *l2cache_base; --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -137,7 +137,7 @@ #include <linux/mutex.h> #include <linux/spinlock.h> -#include <plat/common.h> +#include "common.h" #include <plat/cpu.h> #include "clockdomain.h" #include "powerdomain.h" --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -17,7 +17,7 @@ #include <plat/omap-pm.h> #include <plat/omap_device.h> -#include <plat/common.h> +#include "common.h" #include "voltage.h" #include "powerdomain.h" --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -42,6 +42,7 @@ #include <plat/dma.h> #include <plat/board.h> +#include "common.h" #include "prm2xxx_3xxx.h" #include "prm-regbits-24xx.h" #include "cm2xxx_3xxx.h" --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -42,6 +42,7 @@ #include <plat/gpmc.h> #include <plat/dma.h> +#include "common.h" #include "cm2xxx_3xxx.h" #include "cm-regbits-34xx.h" #include "prm-regbits-34xx.h" --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -16,8 +16,8 @@ #include <linux/err.h> #include <linux/slab.h> +#include "common.h" #include "powerdomain.h" -#include <mach/omap4-common.h> struct power_state { struct powerdomain *pwrdm; --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -24,8 +24,7 @@ #include <linux/io.h> #include <linux/delay.h> -#include <mach/system.h> -#include <plat/common.h> +#include "common.h" #include <plat/prcm.h> #include <plat/irqs.h> @@ -58,7 +57,7 @@ u32 omap_prcm_get_reset_sources(void) EXPORT_SYMBOL(omap_prcm_get_reset_sources); /* Resets clock rates and reboots the system. Only called from system.h */ -static void omap_prcm_arch_reset(char mode, const char *cmd) +void omap_prcm_restart(char mode, const char *cmd) { s16 prcm_offs = 0; @@ -109,8 +108,6 @@ static void omap_prcm_arch_reset(char mo omap2_prm_read_mod_reg(prcm_offs, OMAP2_RM_RSTCTRL); /* OCP barrier */ } -void (*arch_reset)(char, const char *) = omap_prcm_arch_reset; - /** * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness * @reg: physical address of module IDLEST register --- a/arch/arm/mach-omap2/prcm_mpu44xx.c +++ b/arch/arm/mach-omap2/prcm_mpu44xx.c @@ -15,7 +15,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include "prcm_mpu44xx.h" #include "cm-regbits-44xx.h" --- a/arch/arm/mach-omap2/prm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c @@ -16,7 +16,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include <plat/cpu.h> #include <plat/prcm.h> --- a/arch/arm/mach-omap2/prm44xx.c +++ b/arch/arm/mach-omap2/prm44xx.c @@ -17,7 +17,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include <plat/cpu.h> #include <plat/prcm.h> --- a/arch/arm/mach-omap2/prminst44xx.c +++ b/arch/arm/mach-omap2/prminst44xx.c @@ -16,7 +16,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include "prm44xx.h" #include "prminst44xx.h" --- a/arch/arm/mach-omap2/sdram-nokia.c +++ b/arch/arm/mach-omap2/sdram-nokia.c @@ -18,7 +18,7 @@ #include <linux/io.h> #include <plat/io.h> -#include <plat/common.h> +#include "common.h" #include <plat/clock.h> #include <plat/sdrc.h> --- a/arch/arm/mach-omap2/sdrc.c +++ b/arch/arm/mach-omap2/sdrc.c @@ -23,7 +23,7 @@ #include <linux/clk.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include <plat/clock.h> #include <plat/sram.h> --- a/arch/arm/mach-omap2/sdrc2xxx.c +++ b/arch/arm/mach-omap2/sdrc2xxx.c @@ -24,7 +24,7 @@ #include <linux/clk.h> #include <linux/io.h> -#include <plat/common.h> +#include "common.h" #include <plat/clock.h> #include <plat/sram.h> --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -33,7 +33,7 @@ #include <plat/omap-serial.h> #endif -#include <plat/common.h> +#include "common.h" #include <plat/board.h> #include <plat/clock.h> #include <plat/dma.h> --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -25,7 +25,7 @@ #include <linux/slab.h> #include <linux/pm_runtime.h> -#include <plat/common.h> +#include "common.h" #include "pm.h" #include "smartreflex.h" --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -40,7 +40,7 @@ #include <plat/dmtimer.h> #include <asm/localtimer.h> #include <asm/sched_clock.h> -#include <plat/common.h> +#include "common.h" #include <plat/omap_hwmod.h> /* Parent clocks, eventually these will come from the clock framework */ --- a/arch/arm/mach-omap2/vc3xxx_data.c +++ b/arch/arm/mach-omap2/vc3xxx_data.c @@ -18,7 +18,7 @@ #include <linux/err.h> #include <linux/init.h> -#include <plat/common.h> +#include "common.h" #include "prm-regbits-34xx.h" #include "voltage.h" --- a/arch/arm/mach-omap2/vc44xx_data.c +++ b/arch/arm/mach-omap2/vc44xx_data.c @@ -18,7 +18,7 @@ #include <linux/err.h> #include <linux/init.h> -#include <plat/common.h> +#include "common.h" #include "prm44xx.h" #include "prm-regbits-44xx.h" --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -26,7 +26,7 @@ #include <linux/debugfs.h> #include <linux/slab.h> -#include <plat/common.h> +#include "common.h" #include "prm-regbits-34xx.h" #include "prm-regbits-44xx.h" --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -18,7 +18,7 @@ #include <linux/err.h> #include <linux/init.h> -#include <plat/common.h> +#include "common.h" #include <plat/cpu.h> #include "prm-regbits-34xx.h" --- a/arch/arm/mach-omap2/voltagedomains44xx_data.c +++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c @@ -21,7 +21,7 @@ #include <linux/err.h> #include <linux/init.h> -#include <plat/common.h> +#include "common.h" #include "prm-regbits-44xx.h" #include "prm44xx.h" --- a/arch/arm/mach-omap2/vp3xxx_data.c +++ b/arch/arm/mach-omap2/vp3xxx_data.c @@ -19,7 +19,7 @@ #include <linux/err.h> #include <linux/init.h> -#include <plat/common.h> +#include "common.h" #include "prm-regbits-34xx.h" #include "voltage.h" --- a/arch/arm/mach-omap2/vp44xx_data.c +++ b/arch/arm/mach-omap2/vp44xx_data.c @@ -19,7 +19,7 @@ #include <linux/err.h> #include <linux/init.h> -#include <plat/common.h> +#include "common.h" #include "prm44xx.h" #include "prm-regbits-44xx.h" --- a/arch/arm/mm/idmap.c +++ b/arch/arm/mm/idmap.c @@ -1,8 +1,12 @@ #include <linux/kernel.h> #include <asm/cputype.h> +#include <asm/idmap.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> +#include <asm/sections.h> + +pgd_t *idmap_pgd; static void idmap_add_pmd(pud_t *pud, unsigned long addr, unsigned long end, unsigned long prot) @@ -73,18 +77,45 @@ void identity_mapping_del(pgd_t *pgd, un } #endif +extern char __idmap_text_start[], __idmap_text_end[]; + +static int __init init_static_idmap(void) +{ + phys_addr_t idmap_start, idmap_end; + + idmap_pgd = pgd_alloc(&init_mm); + if (!idmap_pgd) + return -ENOMEM; + + /* Align the idmap.text section pointers to PMD_SIZE. */ + idmap_start = (phys_addr_t)__idmap_text_start & PMD_MASK; + idmap_end = PTR_ALIGN((phys_addr_t)__idmap_text_end, PMD_SIZE); + + /* Add an identity mapping for the physical address of the section. */ + idmap_start = virt_to_phys((void *)idmap_start); + idmap_end = virt_to_phys((void *)idmap_end); + + pr_info("Setting up static identity map for 0x%llx - 0x%llx\n", + (long long)idmap_start, (long long)idmap_end); + identity_mapping_add(idmap_pgd, idmap_start, idmap_end); + + return 0; +} +arch_initcall(init_static_idmap); + /* - * In order to soft-boot, we need to insert a 1:1 mapping in place of - * the user-mode pages. This will then ensure that we have predictable - * results when turning the mmu off + * In order to soft-boot, we need to switch to a 1:1 mapping for the + * cpu_reset functions. This will then ensure that we have predictable + * results when turning off the mmu. */ -void setup_mm_for_reboot(char mode) +void setup_mm_for_reboot(void) { - /* - * We need to access to user-mode page tables here. For kernel threads - * we don't have any user-mode mappings so we use the context that we - * "borrowed". - */ - identity_mapping_add(current->active_mm->pgd, 0, TASK_SIZE); + /* Clean and invalidate L1. */ + flush_cache_all(); + + /* Switch exclusively to kernel mappings. */ + cpu_switch_mm(idmap_pgd, &init_mm); + + /* Flush the TLB. */ local_flush_tlb_all(); } --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -43,7 +43,7 @@ void __init paging_init(struct machine_d /* * We don't need to do anything here for nommu machines. */ -void setup_mm_for_reboot(char mode) +void setup_mm_for_reboot(void) { } --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -95,6 +95,7 @@ ENTRY(cpu_arm1020_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm1020_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -107,6 +108,8 @@ ENTRY(cpu_arm1020_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm1020_reset) + .popsection /* * cpu_arm1020_do_idle() --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -95,6 +95,7 @@ ENTRY(cpu_arm1020e_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm1020e_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -107,6 +108,8 @@ ENTRY(cpu_arm1020e_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm1020e_reset) + .popsection /* * cpu_arm1020e_do_idle() --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -84,6 +84,7 @@ ENTRY(cpu_arm1022_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm1022_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -96,6 +97,8 @@ ENTRY(cpu_arm1022_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm1022_reset) + .popsection /* * cpu_arm1022_do_idle() --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -84,6 +84,7 @@ ENTRY(cpu_arm1026_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm1026_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -96,6 +97,8 @@ ENTRY(cpu_arm1026_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm1026_reset) + .popsection /* * cpu_arm1026_do_idle() --- a/arch/arm/mm/proc-arm6_7.S +++ b/arch/arm/mm/proc-arm6_7.S @@ -225,6 +225,7 @@ ENTRY(cpu_arm7_set_pte_ext) * Params : r0 = address to jump to * Notes : This sets up everything for a reset */ + .pushsection .idmap.text, "ax" ENTRY(cpu_arm6_reset) ENTRY(cpu_arm7_reset) mov r1, #0 @@ -235,6 +236,9 @@ ENTRY(cpu_arm7_reset) mov r1, #0x30 mcr p15, 0, r1, c1, c0, 0 @ turn off MMU etc mov pc, r0 +ENDPROC(cpu_arm6_reset) +ENDPROC(cpu_arm7_reset) + .popsection __CPUINIT --- a/arch/arm/mm/proc-arm720.S +++ b/arch/arm/mm/proc-arm720.S @@ -101,6 +101,7 @@ ENTRY(cpu_arm720_set_pte_ext) * Params : r0 = address to jump to * Notes : This sets up everything for a reset */ + .pushsection .idmap.text, "ax" ENTRY(cpu_arm720_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate cache @@ -112,6 +113,8 @@ ENTRY(cpu_arm720_reset) bic ip, ip, #0x2100 @ ..v....s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm720_reset) + .popsection __CPUINIT --- a/arch/arm/mm/proc-arm740.S +++ b/arch/arm/mm/proc-arm740.S @@ -49,6 +49,7 @@ ENTRY(cpu_arm740_proc_fin) * Params : r0 = address to jump to * Notes : This sets up everything for a reset */ + .pushsection .idmap.text, "ax" ENTRY(cpu_arm740_reset) mov ip, #0 mcr p15, 0, ip, c7, c0, 0 @ invalidate cache @@ -56,6 +57,8 @@ ENTRY(cpu_arm740_reset) bic ip, ip, #0x0000000c @ ............wc.. mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm740_reset) + .popsection __CPUINIT --- a/arch/arm/mm/proc-arm7tdmi.S +++ b/arch/arm/mm/proc-arm7tdmi.S @@ -45,8 +45,11 @@ ENTRY(cpu_arm7tdmi_proc_fin) * Params : loc(r0) address to jump to * Purpose : Sets up everything for a reset and jump to the location for soft reset. */ + .pushsection .idmap.text, "ax" ENTRY(cpu_arm7tdmi_reset) mov pc, r0 +ENDPROC(cpu_arm7tdmi_reset) + .popsection __CPUINIT --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -85,6 +85,7 @@ ENTRY(cpu_arm920_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm920_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -97,6 +98,8 @@ ENTRY(cpu_arm920_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm920_reset) + .popsection /* * cpu_arm920_do_idle() --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -87,6 +87,7 @@ ENTRY(cpu_arm922_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm922_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -99,6 +100,8 @@ ENTRY(cpu_arm922_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm922_reset) + .popsection /* * cpu_arm922_do_idle() --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -108,6 +108,7 @@ ENTRY(cpu_arm925_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm925_reset) /* Send software reset to MPU and DSP */ mov ip, #0xff000000 @@ -115,6 +116,8 @@ ENTRY(cpu_arm925_reset) orr ip, ip, #0x0000ce00 mov r4, #1 strh r4, [ip, #0x10] +ENDPROC(cpu_arm925_reset) + .popsection mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -77,6 +77,7 @@ ENTRY(cpu_arm926_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_arm926_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -89,6 +90,8 @@ ENTRY(cpu_arm926_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm926_reset) + .popsection /* * cpu_arm926_do_idle() --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -48,6 +48,7 @@ ENTRY(cpu_arm940_proc_fin) * Params : r0 = address to jump to * Notes : This sets up everything for a reset */ + .pushsection .idmap.text, "ax" ENTRY(cpu_arm940_reset) mov ip, #0 mcr p15, 0, ip, c7, c5, 0 @ flush I cache @@ -58,6 +59,8 @@ ENTRY(cpu_arm940_reset) bic ip, ip, #0x00001000 @ i-cache mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm940_reset) + .popsection /* * cpu_arm940_do_idle() --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -55,6 +55,7 @@ ENTRY(cpu_arm946_proc_fin) * Params : r0 = address to jump to * Notes : This sets up everything for a reset */ + .pushsection .idmap.text, "ax" ENTRY(cpu_arm946_reset) mov ip, #0 mcr p15, 0, ip, c7, c5, 0 @ flush I cache @@ -65,6 +66,8 @@ ENTRY(cpu_arm946_reset) bic ip, ip, #0x00001000 @ i-cache mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_arm946_reset) + .popsection /* * cpu_arm946_do_idle() --- a/arch/arm/mm/proc-arm9tdmi.S +++ b/arch/arm/mm/proc-arm9tdmi.S @@ -45,8 +45,11 @@ ENTRY(cpu_arm9tdmi_proc_fin) * Params : loc(r0) address to jump to * Purpose : Sets up everything for a reset and jump to the location for soft reset. */ + .pushsection .idmap.text, "ax" ENTRY(cpu_arm9tdmi_reset) mov pc, r0 +ENDPROC(cpu_arm9tdmi_reset) + .popsection __CPUINIT --- a/arch/arm/mm/proc-fa526.S +++ b/arch/arm/mm/proc-fa526.S @@ -57,6 +57,7 @@ ENTRY(cpu_fa526_proc_fin) * loc: location to jump to for soft reset */ .align 4 + .pushsection .idmap.text, "ax" ENTRY(cpu_fa526_reset) /* TODO: Use CP8 if possible... */ mov ip, #0 @@ -73,6 +74,8 @@ ENTRY(cpu_fa526_reset) nop nop mov pc, r0 +ENDPROC(cpu_fa526_reset) + .popsection /* * cpu_fa526_do_idle() --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -98,6 +98,7 @@ ENTRY(cpu_feroceon_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_feroceon_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -110,6 +111,8 @@ ENTRY(cpu_feroceon_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_feroceon_reset) + .popsection /* * cpu_feroceon_do_idle() --- a/arch/arm/mm/proc-mohawk.S +++ b/arch/arm/mm/proc-mohawk.S @@ -69,6 +69,7 @@ ENTRY(cpu_mohawk_proc_fin) * (same as arm926) */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_mohawk_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -79,6 +80,8 @@ ENTRY(cpu_mohawk_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_mohawk_reset) + .popsection /* * cpu_mohawk_do_idle() --- a/arch/arm/mm/proc-sa110.S +++ b/arch/arm/mm/proc-sa110.S @@ -62,6 +62,7 @@ ENTRY(cpu_sa110_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_sa110_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -74,6 +75,8 @@ ENTRY(cpu_sa110_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_sa110_reset) + .popsection /* * cpu_sa110_do_idle(type) --- a/arch/arm/mm/proc-sa1100.S +++ b/arch/arm/mm/proc-sa1100.S @@ -70,6 +70,7 @@ ENTRY(cpu_sa1100_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_sa1100_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches @@ -82,6 +83,8 @@ ENTRY(cpu_sa1100_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 +ENDPROC(cpu_sa1100_reset) + .popsection /* * cpu_sa1100_do_idle(type) --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -55,6 +55,7 @@ ENTRY(cpu_v6_proc_fin) * - loc - location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_v6_reset) mrc p15, 0, r1, c1, c0, 0 @ ctrl register bic r1, r1, #0x1 @ ...............m @@ -62,6 +63,8 @@ ENTRY(cpu_v6_reset) mov r1, #0 mcr p15, 0, r1, c7, c5, 4 @ ISB mov pc, r0 +ENDPROC(cpu_v6_reset) + .popsection /* * cpu_v6_do_idle() --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -63,6 +63,7 @@ ENDPROC(cpu_v7_proc_fin) * caches disabled. */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_v7_reset) mrc p15, 0, r1, c1, c0, 0 @ ctrl register bic r1, r1, #0x1 @ ...............m @@ -71,6 +72,7 @@ ENTRY(cpu_v7_reset) isb mov pc, r0 ENDPROC(cpu_v7_reset) + .popsection /* * cpu_v7_do_idle() --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -105,6 +105,7 @@ ENTRY(cpu_xsc3_proc_fin) * loc: location to jump to for soft reset */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_xsc3_reset) mov r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE msr cpsr_c, r1 @ reset CPSR @@ -119,6 +120,8 @@ ENTRY(cpu_xsc3_reset) @ already containing those two last instructions to survive. mcr p15, 0, ip, c8, c7, 0 @ invalidate I and D TLBs mov pc, r0 +ENDPROC(cpu_xsc3_reset) + .popsection /* * cpu_xsc3_do_idle() --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -142,6 +142,7 @@ ENTRY(cpu_xscale_proc_fin) * Beware PXA270 erratum E7. */ .align 5 + .pushsection .idmap.text, "ax" ENTRY(cpu_xscale_reset) mov r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE msr cpsr_c, r1 @ reset CPSR @@ -160,6 +161,8 @@ ENTRY(cpu_xscale_reset) @ already containing those two last instructions to survive. mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs mov pc, r0 +ENDPROC(cpu_xscale_reset) + .popsection /* * cpu_xscale_do_idle() --- a/arch/arm/plat-omap/include/plat/irqs.h +++ b/arch/arm/plat-omap/include/plat/irqs.h @@ -438,16 +438,6 @@ #ifndef __ASSEMBLY__ extern void __iomem *omap_irq_base; -void omap1_init_irq(void); -void omap2_init_irq(void); -void omap3_init_irq(void); -void ti816x_init_irq(void); -extern int omap_irq_pending(void); -void omap_intc_save_context(void); -void omap_intc_restore_context(void); -void omap3_intc_suspend(void); -void omap3_intc_prepare_idle(void); -void omap3_intc_resume_idle(void); #endif #include <mach/hardware.h> --- a/arch/arm/plat-omap/include/plat/system.h +++ b/arch/arm/plat-omap/include/plat/system.h @@ -12,6 +12,4 @@ static inline void arch_idle(void) cpu_do_idle(); } -extern void (*arch_reset)(char, const char *); - #endif --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -447,6 +447,12 @@ *(.kprobes.text) \ VMLINUX_SYMBOL(__kprobes_text_end) = .; +#define IDMAP_TEXT \ + ALIGN_FUNCTION(); \ + VMLINUX_SYMBOL(__idmap_text_start) = .; \ + *(.idmap.text) \ + VMLINUX_SYMBOL(__idmap_text_end) = .; + #define ENTRY_TEXT \ ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__entry_text_start) = .; \ --- a/arch/arm/kernel/sleep.S +++ b/arch/arm/kernel/sleep.S @@ -85,11 +85,13 @@ ENDPROC(cpu_resume_mmu) .ltorg .align 5 cpu_resume_turn_mmu_on: + .pushsection .idmap.text,"ax" mcr p15, 0, r1, c1, c0, 0 @ turn on MMU, I-cache, etc mrc p15, 0, r1, c0, c0, 0 @ read id reg mov r1, r1 mov r1, r1 mov pc, r3 @ jump to virtual address + .popsection ENDPROC(cpu_resume_turn_mmu_on) cpu_resume_after_mmu: str r5, [r2, r4, lsl #2] @ restore old mapping --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -36,7 +36,7 @@ #include "clock3xxx.h" #include "clock44xx.h" #include "io.h" - +#include "common.h" #include <plat/omap-pm.h> #include "powerdomain.h" --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -27,78 +27,11 @@ #ifndef __ARCH_ARM_MACH_OMAP_COMMON_H #define __ARCH_ARM_MACH_OMAP_COMMON_H -#include <linux/delay.h> - #include <plat/i2c.h> -struct sys_timer; - -extern void omap_map_common_io(void); -extern struct sys_timer omap1_timer; -extern struct sys_timer omap2_timer; -extern struct sys_timer omap3_timer; -extern struct sys_timer omap3_secure_timer; -extern struct sys_timer omap4_timer; -extern bool omap_32k_timer_init(void); extern int __init omap_init_clocksource_32k(void); extern unsigned long long notrace omap_32k_sched_clock(void); extern void omap_reserve(void); -/* - * IO bases for various OMAP processors - * Except the tap base, rest all the io bases - * listed are physical addresses. - */ -struct omap_globals { - u32 class; /* OMAP class to detect */ - void __iomem *tap; /* Control module ID code */ - unsigned long sdrc; /* SDRAM Controller */ - unsigned long sms; /* SDRAM Memory Scheduler */ - unsigned long ctrl; /* System Control Module */ - unsigned long ctrl_pad; /* PAD Control Module */ - unsigned long prm; /* Power and Reset Management */ - unsigned long cm; /* Clock Management */ - unsigned long cm2; -}; - -void omap2_set_globals_242x(void); -void omap2_set_globals_243x(void); -void omap2_set_globals_3xxx(void); -void omap2_set_globals_443x(void); -void omap2_set_globals_ti816x(void); - -/* These get called from omap2_set_globals_xxxx(), do not call these */ -void omap2_set_globals_tap(struct omap_globals *); -void omap2_set_globals_sdrc(struct omap_globals *); -void omap2_set_globals_control(struct omap_globals *); -void omap2_set_globals_prcm(struct omap_globals *); - -void omap3_map_io(void); - -/** - * omap_test_timeout - busy-loop, testing a condition - * @cond: condition to test until it evaluates to true - * @timeout: maximum number of microseconds in the timeout - * @index: loop index (integer) - * - * Loop waiting for @cond to become true or until at least @timeout - * microseconds have passed. To use, define some integer @index in the - * calling code. After running, if @index == @timeout, then the loop has - * timed out. - */ -#define omap_test_timeout(cond, timeout, index) \ -({ \ - for (index = 0; index < timeout; index++) { \ - if (cond) \ - break; \ - udelay(1); \ - } \ -}) - -extern struct device *omap2_get_mpuss_device(void); -extern struct device *omap2_get_iva_device(void); -extern struct device *omap2_get_l3_device(void); -extern struct device *omap4_get_dsp_device(void); - #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */ --- a/arch/arm/plat-omap/include/plat/io.h +++ b/arch/arm/plat-omap/include/plat/io.h @@ -258,48 +258,9 @@ struct omap_sdrc_params; extern void omap1_map_common_io(void); extern void omap1_init_common_hw(void); +extern void omap_writel(u32 v, u32 pa); -#ifdef CONFIG_SOC_OMAP2420 -extern void omap242x_map_common_io(void); -#else -static inline void omap242x_map_common_io(void) -{ -} -#endif - -#ifdef CONFIG_SOC_OMAP2430 -extern void omap243x_map_common_io(void); -#else -static inline void omap243x_map_common_io(void) -{ -} -#endif - -#ifdef CONFIG_ARCH_OMAP3 -extern void omap34xx_map_common_io(void); -#else -static inline void omap34xx_map_common_io(void) -{ -} -#endif - -#ifdef CONFIG_SOC_OMAPTI816X -extern void omapti816x_map_common_io(void); -#else -static inline void omapti816x_map_common_io(void) -{ -} -#endif - -#ifdef CONFIG_ARCH_OMAP4 -extern void omap44xx_map_common_io(void); -#else -static inline void omap44xx_map_common_io(void) -{ -} -#endif - -extern void omap2_init_common_infrastructure(void); +struct omap_sdrc_params; extern void omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0, struct omap_sdrc_params *sdrc_cs1);