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openwrt-xburst/target/linux/omap24xx/patches-3.1/210-omap2-kexec-rewrite.patch
jogo f1f885a356 kernel: update linux 3.1 to 3.1.9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29726 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-01-13 14:38:28 +00:00

2202 lines
59 KiB
Diff

--- 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
@@ -85,12 +85,14 @@ 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
ENDPROC(cpu_resume_turn_mmu_on)
+ .popsection
cpu_resume_after_mmu:
str r5, [r2, r4, lsl #2] @ restore old mapping
mcr p15, 0, r0, c1, c0, 0 @ turn on D-cache
--- 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);