Commit b0df8986 authored by Russell King's avatar Russell King

Merge branch 'devel-stable' into for-linus

Conflicts:
	arch/arm/Kconfig.debug
	arch/arm/plat-versatile/Kconfig
Merge fixes:
	arch/arm/mach-integrator/Kconfig
	drivers/clocksource/Kconfig
parents 4ba21e86 6c634726
......@@ -30,7 +30,6 @@ config ARM
select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
select HAVE_C_RECORDMCOUNT
select HAVE_GENERIC_HARDIRQS
select HAVE_SPARSE_IRQ
select GENERIC_IRQ_SHOW
select CPU_PM if (SUSPEND || CPU_IDLE)
select GENERIC_PCI_IOMAP
......@@ -55,9 +54,6 @@ config MIGHT_HAVE_PCI
config SYS_SUPPORTS_APM_EMULATION
bool
config HAVE_SCHED_CLOCK
bool
config GENERIC_GPIO
bool
......@@ -355,6 +351,7 @@ config ARCH_HIGHBANK
select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU
select HAVE_SMP
select SPARSE_IRQ
select USE_OF
help
Support for the Calxeda Highbank SoC based boards.
......@@ -443,7 +440,6 @@ config ARCH_MXC
select CLKDEV_LOOKUP
select CLKSRC_MMIO
select GENERIC_IRQ_CHIP
select HAVE_SCHED_CLOCK
select MULTI_IRQ_HANDLER
help
Support for Freescale MXC/iMX-based family of processors
......@@ -535,7 +531,6 @@ config ARCH_IXP4XX
select CPU_XSCALE
select GENERIC_GPIO
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
select MIGHT_HAVE_PCI
select DMABOUNCE if PCI
help
......@@ -606,7 +601,6 @@ config ARCH_MMP
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select GPIO_PXA
select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select PLAT_PXA
select SPARSE_IRQ
......@@ -647,7 +641,6 @@ config ARCH_TEGRA
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
select HAVE_CLK
select HAVE_SCHED_CLOCK
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
select ARCH_HAS_CPUFREQ
......@@ -664,7 +657,6 @@ config ARCH_PICOXCELL
select DW_APB_TIMER
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
select HAVE_SCHED_CLOCK
select HAVE_TCM
select NO_IOPORT
select SPARSE_IRQ
......@@ -692,7 +684,6 @@ config ARCH_PXA
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
select GPIO_PXA
select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select PLAT_PXA
select SPARSE_IRQ
......@@ -760,7 +751,6 @@ config ARCH_SA1100
select CPU_FREQ
select GENERIC_CLOCKEVENTS
select CLKDEV_LOOKUP
select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select ARCH_REQUIRE_GPIOLIB
select HAVE_IDE
......@@ -817,7 +807,6 @@ config ARCH_S5P64X0
select CLKSRC_MMIO
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
help
......@@ -850,7 +839,6 @@ config ARCH_S5PV210
select ARM_L1_CACHE_SHIFT_6
select ARCH_HAS_CPUFREQ
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
......@@ -893,7 +881,6 @@ config ARCH_U300
depends on MMU
select CLKSRC_MMIO
select CPU_ARM926T
select HAVE_SCHED_CLOCK
select HAVE_TCM
select ARM_AMBA
select ARM_PATCH_PHYS_VIRT
......@@ -951,7 +938,6 @@ config ARCH_OMAP
select ARCH_HAS_CPUFREQ
select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
select ARCH_HAS_HOLES_MEMORYMODEL
help
Support for TI's OMAP platform (OMAP1/2/3/4).
......@@ -1117,13 +1103,11 @@ config ARCH_ACORN
config PLAT_IOP
bool
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
config PLAT_ORION
bool
select CLKSRC_MMIO
select GENERIC_IRQ_CHIP
select HAVE_SCHED_CLOCK
config PLAT_PXA
bool
......
......@@ -81,41 +81,6 @@ choice
prompt "Kernel low-level debugging port"
depends on DEBUG_LL
config DEBUG_LL_UART_NONE
bool "No low-level debugging UART"
help
Say Y here if your platform doesn't provide a UART option
below. This relies on your platform choosing the right UART
definition internally in order for low-level debugging to
work.
config DEBUG_ICEDCC
bool "Kernel low-level debugging via EmbeddedICE DCC channel"
help
Say Y here if you want the debug print routines to direct
their output to the EmbeddedICE macrocell's DCC channel using
co-processor 14. This is known to work on the ARM9 style ICE
channel and on the XScale with the PEEDI.
Note that the system will appear to hang during boot if there
is nothing connected to read from the DCC.
config DEBUG_SEMIHOSTING
bool "Kernel low-level debug output via semihosting I"
help
Semihosting enables code running on an ARM target to use
the I/O facilities on a host debugger/emulator through a
simple SVC calls. The host debugger or emulator must have
semihosting enabled for the special svc call to be trapped
otherwise the kernel will crash.
This is known to work with OpenOCD, as wellas
ARM's Fast Models, or any other controlling environment
that implements semihosting.
For more details about semihosting, please see
chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
config AT91_DEBUG_LL_DBGU0
bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
depends on HAVE_AT91_DBGU0
......@@ -124,20 +89,6 @@ choice
bool "Kernel low-level debugging on 9263, 9g45 and cap9"
depends on HAVE_AT91_DBGU1
config DEBUG_FOOTBRIDGE_COM1
bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
depends on FOOTBRIDGE
help
Say Y here if you want the debug print routines to direct
their output to the 8250 at PCI COM1.
config DEBUG_DC21285_PORT
bool "Kernel low-level debugging messages via footbridge serial port"
depends on FOOTBRIDGE
help
Say Y here if you want the debug print routines to direct
their output to the serial port in the DC21285 (Footbridge).
config DEBUG_CLPS711X_UART1
bool "Kernel low-level debugging messages via UART1"
depends on ARCH_CLPS711X
......@@ -152,6 +103,20 @@ choice
Say Y here if you want the debug print routines to direct
their output to the second serial port on these devices.
config DEBUG_DC21285_PORT
bool "Kernel low-level debugging messages via footbridge serial port"
depends on FOOTBRIDGE
help
Say Y here if you want the debug print routines to direct
their output to the serial port in the DC21285 (Footbridge).
config DEBUG_FOOTBRIDGE_COM1
bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
depends on FOOTBRIDGE
help
Say Y here if you want the debug print routines to direct
their output to the 8250 at PCI COM1.
config DEBUG_HIGHBANK_UART
bool "Kernel low-level debugging messages via Highbank UART"
depends on ARCH_HIGHBANK
......@@ -222,6 +187,59 @@ choice
Say Y here if you want kernel low-level debugging support
on i.MX6Q.
config DEBUG_MSM_UART1
bool "Kernel low-level debugging messages via MSM UART1"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
help
Say Y here if you want the debug print routines to direct
their output to the first serial port on MSM devices.
config DEBUG_MSM_UART2
bool "Kernel low-level debugging messages via MSM UART2"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
help
Say Y here if you want the debug print routines to direct
their output to the second serial port on MSM devices.
config DEBUG_MSM_UART3
bool "Kernel low-level debugging messages via MSM UART3"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
help
Say Y here if you want the debug print routines to direct
their output to the third serial port on MSM devices.
config DEBUG_MSM8660_UART
bool "Kernel low-level debugging messages via MSM 8660 UART"
depends on ARCH_MSM8X60
select MSM_HAS_DEBUG_UART_HS
help
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8660 devices.
config DEBUG_MSM8960_UART
bool "Kernel low-level debugging messages via MSM 8960 UART"
depends on ARCH_MSM8960
select MSM_HAS_DEBUG_UART_HS
help
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8960 devices.
config DEBUG_REALVIEW_STD_PORT
bool "RealView Default UART"
depends on ARCH_REALVIEW
help
Say Y here if you want the debug print routines to direct
their output to the serial port on RealView EB, PB11MP, PBA8
and PBX platforms.
config DEBUG_REALVIEW_PB1176_PORT
bool "RealView PB1176 UART"
depends on MACH_REALVIEW_PB1176
help
Say Y here if you want the debug print routines to direct
their output to the standard serial port on the RealView
PB1176 platform.
config DEBUG_S3C_UART0
depends on PLAT_SAMSUNG
bool "Use S3C UART 0 for low-level debug"
......@@ -255,58 +273,40 @@ choice
The uncompressor code port configuration is now handled
by CONFIG_S3C_LOWLEVEL_UART_PORT.
config DEBUG_REALVIEW_STD_PORT
bool "RealView Default UART"
depends on ARCH_REALVIEW
help
Say Y here if you want the debug print routines to direct
their output to the serial port on RealView EB, PB11MP, PBA8
and PBX platforms.
config DEBUG_REALVIEW_PB1176_PORT
bool "RealView PB1176 UART"
depends on MACH_REALVIEW_PB1176
config DEBUG_LL_UART_NONE
bool "No low-level debugging UART"
help
Say Y here if you want the debug print routines to direct
their output to the standard serial port on the RealView
PB1176 platform.
Say Y here if your platform doesn't provide a UART option
below. This relies on your platform choosing the right UART
definition internally in order for low-level debugging to
work.
config DEBUG_MSM_UART1
bool "Kernel low-level debugging messages via MSM UART1"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
config DEBUG_ICEDCC
bool "Kernel low-level debugging via EmbeddedICE DCC channel"
help
Say Y here if you want the debug print routines to direct
their output to the first serial port on MSM devices.
their output to the EmbeddedICE macrocell's DCC channel using
co-processor 14. This is known to work on the ARM9 style ICE
channel and on the XScale with the PEEDI.
config DEBUG_MSM_UART2
bool "Kernel low-level debugging messages via MSM UART2"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
help
Say Y here if you want the debug print routines to direct
their output to the second serial port on MSM devices.
Note that the system will appear to hang during boot if there
is nothing connected to read from the DCC.
config DEBUG_MSM_UART3
bool "Kernel low-level debugging messages via MSM UART3"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
config DEBUG_SEMIHOSTING
bool "Kernel low-level debug output via semihosting I"
help
Say Y here if you want the debug print routines to direct
their output to the third serial port on MSM devices.
Semihosting enables code running on an ARM target to use
the I/O facilities on a host debugger/emulator through a
simple SVC calls. The host debugger or emulator must have
semihosting enabled for the special svc call to be trapped
otherwise the kernel will crash.
config DEBUG_MSM8660_UART
bool "Kernel low-level debugging messages via MSM 8660 UART"
depends on ARCH_MSM8X60
select MSM_HAS_DEBUG_UART_HS
help
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8660 devices.
This is known to work with OpenOCD, as wellas
ARM's Fast Models, or any other controlling environment
that implements semihosting.
config DEBUG_MSM8960_UART
bool "Kernel low-level debugging messages via MSM 8960 UART"
depends on ARCH_MSM8960
select MSM_HAS_DEBUG_UART_HS
help
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8960 devices.
For more details about semihosting, please see
chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
endchoice
......
......@@ -9,6 +9,9 @@
#ifndef __ASM_HARDWARE_IT8152_H
#define __ASM_HARDWARE_IT8152_H
#include <mach/irqs.h>
extern void __iomem *it8152_base_address;
#define IT8152_IO_BASE (it8152_base_address + 0x03e00000)
......
#ifndef __ASM_ARM_IRQ_H
#define __ASM_ARM_IRQ_H
#define NR_IRQS_LEGACY 16
#ifndef CONFIG_SPARSE_IRQ
#include <mach/irqs.h>
#else
#define NR_IRQS NR_IRQS_LEGACY
#endif
#ifndef irq_canonicalize
#define irq_canonicalize(i) (i)
#endif
#define NR_IRQS_LEGACY 16
/*
* Use this value to indicate lack of interrupt
* capability
......
......@@ -5,7 +5,9 @@
#define _ASM_MC146818RTC_H
#include <linux/io.h>
#include <mach/irqs.h>
#include <linux/kernel.h>
#define RTC_IRQ BUILD_BUG_ON(1)
#ifndef RTC_PORT
#define RTC_PORT(x) (0x70 + (x))
......
......@@ -79,6 +79,7 @@ extern void cpu_init(void);
void soft_restart(unsigned long);
extern void (*arm_pm_restart)(char str, const char *cmd);
extern void (*arm_pm_idle)(void);
#define UDBG_UNDEFINED (1 << 0)
#define UDBG_SYSCALL (1 << 1)
......
......@@ -16,8 +16,8 @@ CFLAGS_REMOVE_return_address.o = -pg
# Object file lists.
obj-y := elf.o entry-armv.o entry-common.o irq.o opcodes.o \
process.o ptrace.o return_address.o setup.o signal.o \
sys_arm.o stacktrace.o time.o traps.o
process.o ptrace.o return_address.o sched_clock.o \
setup.o signal.o stacktrace.o sys_arm.o time.o traps.o
obj-$(CONFIG_DEPRECATED_PARAM_STRUCT) += compat.o
......@@ -32,7 +32,6 @@ obj-$(CONFIG_ARTHUR) += arthur.o
obj-$(CONFIG_ISA_DMA) += dma-isa.o
obj-$(CONFIG_PCI) += bios32.o isa.o
obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o suspend.o
obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o
obj-$(CONFIG_SMP) += smp.o smp_tlb.o
obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o
obj-$(CONFIG_HAVE_ARM_TWD) += smp_twd.o
......
......@@ -61,8 +61,6 @@ extern void setup_mm_for_reboot(void);
static volatile int hlt_counter;
#include <mach/system.h>
void disable_hlt(void)
{
hlt_counter++;
......@@ -181,13 +179,17 @@ void cpu_idle_wait(void)
EXPORT_SYMBOL_GPL(cpu_idle_wait);
/*
* This is our default idle handler. We need to disable
* interrupts here to ensure we don't miss a wakeup call.
* This is our default idle handler.
*/
void (*arm_pm_idle)(void);
static void default_idle(void)
{
if (!need_resched())
arch_idle();
if (arm_pm_idle)
arm_pm_idle();
else
cpu_do_idle();
local_irq_enable();
}
......@@ -215,6 +217,10 @@ void cpu_idle(void)
cpu_die();
#endif
/*
* We need to disable interrupts here
* to ensure we don't miss a wakeup call.
*/
local_irq_disable();
#ifdef CONFIG_PL310_ERRATA_769419
wmb();
......@@ -222,19 +228,18 @@ void cpu_idle(void)
if (hlt_counter) {
local_irq_enable();
cpu_relax();
} else {
} else if (!need_resched()) {
stop_critical_timings();
if (cpuidle_idle_call())
pm_idle();
start_critical_timings();
/*
* This will eventually be removed - pm_idle
* functions should always return with IRQs
* enabled.
* pm_idle functions must always
* return with IRQs enabled.
*/
WARN_ON(irqs_disabled());
} else
local_irq_enable();
}
}
leds_event(led_idle_end);
rcu_idle_exit();
......
......@@ -25,8 +25,6 @@
#include <linux/timer.h>
#include <linux/irq.h>
#include <linux/mc146818rtc.h>
#include <asm/leds.h>
#include <asm/thread_info.h>
#include <asm/sched_clock.h>
......@@ -149,8 +147,6 @@ void __init time_init(void)
{
system_timer = machine_desc->timer;
system_timer->init();
#ifdef CONFIG_HAVE_SCHED_CLOCK
sched_clock_postinit();
#endif
}
......@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
......@@ -314,6 +315,12 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = {
}
};
static void at91cap9_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void at91cap9_restart(char mode, const char *cmd)
{
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
......@@ -337,6 +344,7 @@ static void __init at91cap9_ioremap_registers(void)
static void __init at91cap9_initialize(void)
{
arm_pm_idle = at91cap9_idle;
arm_pm_restart = at91cap9_restart;
at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);
......
......@@ -289,6 +289,15 @@ static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
}
};
static void at91rm9200_idle(void)
{
/*
* Disable the processor clock. The processor will be automatically
* re-enabled by an interrupt or by a reset.
*/
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
}
static void at91rm9200_restart(char mode, const char *cmd)
{
/*
......@@ -314,6 +323,7 @@ static void __init at91rm9200_ioremap_registers(void)
static void __init at91rm9200_initialize(void)
{
arm_pm_idle = at91rm9200_idle;
arm_pm_restart = at91rm9200_restart;
at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
| (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)
......
......@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
......@@ -327,8 +328,15 @@ static void __init at91sam9260_ioremap_registers(void)
at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC);
}
static void at91sam9260_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9260_initialize(void)
{
arm_pm_idle = at91sam9260_idle;
arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
| (1 << AT91SAM9260_ID_IRQ2);
......
......@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
......@@ -285,8 +286,15 @@ static void __init at91sam9261_ioremap_registers(void)
at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC);
}
static void at91sam9261_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9261_initialize(void)
{
arm_pm_idle = at91sam9261_idle;
arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
| (1 << AT91SAM9261_ID_IRQ2);
......
......@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
......@@ -306,8 +307,15 @@ static void __init at91sam9263_ioremap_registers(void)
at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1);
}
static void at91sam9263_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9263_initialize(void)
{
arm_pm_idle = at91sam9263_idle;
arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
......
......@@ -318,6 +318,12 @@ static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = {
}
};
static void at91sam9g45_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void at91sam9g45_restart(char mode, const char *cmd)
{
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
......@@ -342,6 +348,7 @@ static void __init at91sam9g45_ioremap_registers(void)
static void __init at91sam9g45_initialize(void)
{
arm_pm_idle = at91sam9g45_idle;
arm_pm_restart = at91sam9g45_restart;
at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
......
......@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
......@@ -290,8 +291,15 @@ static void __init at91sam9rl_ioremap_registers(void)
at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC);
}
static void at91sam9rl_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9rl_initialize(void)
{
arm_pm_idle = at91sam9rl_idle;
arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
......
......@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/proc-fns.h>
#include <asm/mach/arch.h>
#include <mach/at91x40.h>
#include <mach/at91_st.h>
......@@ -37,8 +38,19 @@ unsigned long clk_get_rate(struct clk *clk)
return AT91X40_MASTER_CLOCK;
}
static void at91x40_idle(void)
{
/*
* Disable the processor clock. The processor will be automatically
* re-enabled by an interrupt or by a reset.
*/
at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
cpu_do_idle();
}
void __init at91x40_initialize(unsigned long main_clock)
{
arm_pm_idle = at91x40_idle;
at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1)
| (1 << AT91X40_ID_IRQ2);
}
......
/*
* arch/arm/mach-at91/include/mach/system.h
*
* Copyright (C) 2003 SAN People
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <mach/hardware.h>
#include <mach/at91_st.h>
#include <mach/at91_dbgu.h>
#include <mach/at91_pmc.h>
static inline void arch_idle(void)
{
/*
* Disable the processor clock. The processor will be automatically
* re-enabled by an interrupt or by a reset.
*/
#ifdef AT91_PS
at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
#else
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
#endif
#ifndef CONFIG_CPU_ARM920T
/*
* Set the processor (CP15) into 'Wait for Interrupt' mode.
* Post-RM9200 processors need this in conjunction with the above
* to save power when idle.
*/
cpu_do_idle();
#endif
}
#endif
......@@ -52,27 +52,8 @@
#include <mach/csp/chipcHw_inline.h>
#include <mach/csp/tmrHw_reg.h>
#define AMBA_DEVICE(name, initname, base, plat, size) \
static struct amba_device name##_device = { \
.dev = { \
.coherent_dma_mask = ~0, \
.init_name = initname, \
.platform_data = plat \
}, \
.res = { \
.start = MM_ADDR_IO_##base, \
.end = MM_ADDR_IO_##base + (size) - 1, \
.flags = IORESOURCE_MEM \
}, \
.dma_mask = ~0, \
.irq = { \
IRQ_##base \
} \
}
AMBA_DEVICE(uartA, "uarta", UARTA, NULL, SZ_4K);
AMBA_DEVICE(uartB, "uartb", UARTB, NULL, SZ_4K);
static AMBA_APB_DEVICE(uartA, "uarta", MM_ADDR_IO_UARTA, { IRQ_UARTA }, NULL);
static AMBA_APB_DEVICE(uartB, "uartb", MM_ADDR_IO_UARTB, { IRQ_UARTB }, NULL);
static struct clk pll1_clk = {
.name = "PLL1",
......
/*
*
* Copyright (C) 1999 ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif
......@@ -225,3 +225,19 @@ void clps711x_restart(char mode, const char *cmd)
{
soft_restart(0);
}
static void clps711x_idle(void)
{
clps_writel(1, HALT);
__asm__ __volatile__(
"mov r0, r0\n\
mov r0, r0");
}
static int __init clps711x_idle_init(void)
{
arm_pm_idle = clps711x_idle;
return 0;
}
arch_initcall(clps711x_idle_init);
/*
* arch/arm/mach-clps711x/include/mach/system.h
*
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/hardware/clps7111.h>
static inline void arch_idle(void)
{
clps_writel(1, HALT);
__asm__ __volatile__(
"mov r0, r0\n\
mov r0, r0");
}
#endif
/*
* Copyright 2000 Deep Blue Solutions Ltd
* Copyright 2003 ARM Limited
* Copyright 2008 Cavium Networks
*
* This file 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 __MACH_SYSTEM_H
#define __MACH_SYSTEM_H
#include <asm/proc-fns.h>
static inline void arch_idle(void)
{
/*
* This should do all the clock switching
* and wait for interrupt tricks
*/
cpu_do_idle();
}
#endif
/*
* DaVinci system defines
*
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <mach/common.h>
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif /* __ASM_ARCH_SYSTEM_H */
......@@ -19,11 +19,14 @@
#include <linux/err.h>
#include <linux/platform_device.h>
#include <mach/hardware.h>
#include <asm/sched_clock.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <mach/cputype.h>
#include <mach/hardware.h>
#include <mach/time.h>
#include "clock.h"
static struct clock_event_device clockevent_davinci;
......@@ -272,19 +275,9 @@ static cycle_t read_cycles(struct clocksource *cs)
return (cycles_t)timer32_read(t);
}
/*
* Kernel assumes that sched_clock can be called early but may not have
* things ready yet.
*/
static cycle_t read_dummy(struct clocksource *cs)
{
return 0;
}
static struct clocksource clocksource_davinci = {
.rating = 300,
.read = read_dummy,
.read = read_cycles,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
......@@ -292,12 +285,9 @@ static struct clocksource clocksource_davinci = {
/*
* Overwrite weak default sched_clock with something more precise
*/
unsigned long long notrace sched_clock(void)
static u32 notrace davinci_read_sched_clock(void)
{
const cycle_t cyc = clocksource_davinci.read(&clocksource_davinci);
return clocksource_cyc2ns(cyc, clocksource_davinci.mult,
clocksource_davinci.shift);
return timer32_read(&timers[TID_CLOCKSOURCE]);
}
/*
......@@ -397,12 +387,14 @@ static void __init davinci_timer_init(void)
davinci_clock_tick_rate = clk_get_rate(timer_clk);
/* setup clocksource */
clocksource_davinci.read = read_cycles;
clocksource_davinci.name = id_to_name[clocksource_id];
if (clocksource_register_hz(&clocksource_davinci,
davinci_clock_tick_rate))
printk(err, clocksource_davinci.name);
setup_sched_clock(davinci_read_sched_clock, 32,
davinci_clock_tick_rate);
/* setup clockevent */
clockevent_davinci.name = id_to_name[timers[TID_CLOCKEVENT].id];
clockevent_davinci.mult = div_sc(davinci_clock_tick_rate, NSEC_PER_SEC,
......
/*
* arch/arm/mach-dove/include/mach/system.h
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif
......@@ -271,8 +271,33 @@ static struct platform_device *ebsa110_devices[] = {
&am79c961_device,
};
/*
* EBSA110 idling methodology:
*
* We can not execute the "wait for interrupt" instruction since that
* will stop our MCLK signal (which provides the clock for the glue
* logic, and therefore the timer interrupt).
*
* Instead, we spin, polling the IRQ_STAT register for the occurrence
* of any interrupt with core clock down to the memory clock.
*/
static void ebsa110_idle(void)
{
const char *irq_stat = (char *)0xff000000;
/* disable clock switching */
asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc");
/* wait for an interrupt to occur */
while (!*irq_stat);
/* enable clock switching */
asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
}
static int __init ebsa110_init(void)
{
arm_pm_idle = ebsa110_idle;
return platform_add_devices(ebsa110_devices, ARRAY_SIZE(ebsa110_devices));
}
......
/*
* arch/arm/mach-ebsa110/include/mach/system.h
*
* Copyright (C) 1996-2000 Russell King.
*
* 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 __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
/*
* EBSA110 idling methodology:
*
* We can not execute the "wait for interrupt" instruction since that
* will stop our MCLK signal (which provides the clock for the glue
* logic, and therefore the timer interrupt).
*
* Instead, we spin, polling the IRQ_STAT register for the occurrence
* of any interrupt with core clock down to the memory clock.
*/
static inline void arch_idle(void)
{
const char *irq_stat = (char *)0xff000000;
/* disable clock switching */
asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc");
/* wait for an interrupt to occur */
while (!*irq_stat);
/* enable clock switching */
asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
}
#endif
......@@ -279,48 +279,14 @@ static struct amba_pl010_data ep93xx_uart_data = {
.set_mctrl = ep93xx_uart_set_mctrl,
};
static struct amba_device uart1_device = {
.dev = {
.init_name = "apb:uart1",
.platform_data = &ep93xx_uart_data,
},
.res = {
.start = EP93XX_UART1_PHYS_BASE,
.end = EP93XX_UART1_PHYS_BASE + 0x0fff,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_EP93XX_UART1, NO_IRQ },
.periphid = 0x00041010,
};
static struct amba_device uart2_device = {
.dev = {
.init_name = "apb:uart2",
.platform_data = &ep93xx_uart_data,
},
.res = {
.start = EP93XX_UART2_PHYS_BASE,
.end = EP93XX_UART2_PHYS_BASE + 0x0fff,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_EP93XX_UART2, NO_IRQ },
.periphid = 0x00041010,
};
static AMBA_APB_DEVICE(uart1, "apb:uart1", 0x00041010, EP93XX_UART1_PHYS_BASE,
{ IRQ_EP93XX_UART1 }, &ep93xx_uart_data);
static struct amba_device uart3_device = {
.dev = {
.init_name = "apb:uart3",
.platform_data = &ep93xx_uart_data,
},
.res = {
.start = EP93XX_UART3_PHYS_BASE,
.end = EP93XX_UART3_PHYS_BASE + 0x0fff,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_EP93XX_UART3, NO_IRQ },
.periphid = 0x00041010,
};
static AMBA_APB_DEVICE(uart2, "apb:uart2", 0x00041010, EP93XX_UART2_PHYS_BASE,
{ IRQ_EP93XX_UART2 }, &ep93xx_uart_data);
static AMBA_APB_DEVICE(uart3, "apb:uart3", 0x00041010, EP93XX_UART3_PHYS_BASE,
{ IRQ_EP93XX_UART3 }, &ep93xx_uart_data);
static struct resource ep93xx_rtc_resource[] = {
{
......
/*
* arch/arm/mach-ep93xx/include/mach/system.h
*/
static inline void arch_idle(void)
{
cpu_do_idle();
}
......@@ -201,14 +201,6 @@ static struct map_desc exynos4_iodesc1[] __initdata = {
},
};
static void exynos_idle(void)
{
if (!need_resched())
cpu_do_idle();
local_irq_enable();
}
void exynos4_restart(char mode, const char *cmd)
{
__raw_writel(0x1, S5P_SWRESET);
......@@ -467,10 +459,6 @@ early_initcall(exynos4_l2x0_cache_init);
int __init exynos_init(void)
{
printk(KERN_INFO "EXYNOS: Initializing architecture\n");
/* set idle function */
pm_idle = exynos_idle;
return device_register(&exynos4_dev);
}
......
......@@ -74,21 +74,8 @@ struct dma_pl330_platdata exynos4_pdma0_pdata = {
.peri_id = pdma0_peri,
};
struct amba_device exynos4_device_pdma0 = {
.dev = {
.init_name = "dma-pl330.0",
.dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &exynos4_pdma0_pdata,
},
.res = {
.start = EXYNOS4_PA_PDMA0,
.end = EXYNOS4_PA_PDMA0 + SZ_4K,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_PDMA0, NO_IRQ},
.periphid = 0x00041330,
};
AMBA_AHB_DEVICE(exynos4_pdma0, "dma-pl330.0", 0x00041330, EXYNOS4_PA_PDMA0,
{IRQ_PDMA0}, &exynos4_pdma0_pdata);
u8 pdma1_peri[] = {
DMACH_PCM0_RX,
......@@ -123,21 +110,8 @@ struct dma_pl330_platdata exynos4_pdma1_pdata = {
.peri_id = pdma1_peri,
};
struct amba_device exynos4_device_pdma1 = {
.dev = {
.init_name = "dma-pl330.1",
.dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &exynos4_pdma1_pdata,
},
.res = {
.start = EXYNOS4_PA_PDMA1,
.end = EXYNOS4_PA_PDMA1 + SZ_4K,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_PDMA1, NO_IRQ},
.periphid = 0x00041330,
};
AMBA_AHB_DEVICE(exynos4_pdma1, "dma-pl330.1", 0x00041330, EXYNOS4_PA_PDMA1,
{IRQ_PDMA1}, &exynos4_pdma1_pdata);
static int __init exynos4_dma_init(void)
{
......@@ -146,11 +120,11 @@ static int __init exynos4_dma_init(void)
dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask);
amba_device_register(&exynos4_device_pdma0, &iomem_resource);
amba_device_register(&exynos4_pdma0_device, &iomem_resource);
dma_cap_set(DMA_SLAVE, exynos4_pdma1_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos4_pdma1_pdata.cap_mask);
amba_device_register(&exynos4_device_pdma1, &iomem_resource);
amba_device_register(&exynos4_pdma1_device, &iomem_resource);
return 0;
}
......
/* linux/arch/arm/mach-exynos4/include/mach/system.h
*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS4 - system support header
*
* 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 __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H __FILE__
static void arch_idle(void)
{
/* nothing here yet */
}
#endif /* __ASM_ARCH_SYSTEM_H */
/*
* arch/arm/mach-footbridge/include/mach/system.h
*
* Copyright (C) 1996-1999 Russell King.
*
* 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.
*/
static inline void arch_idle(void)
{
cpu_do_idle();
}
......@@ -4,7 +4,7 @@
# Object file lists.
obj-y := irq.o mm.o time.o devices.o gpio.o
obj-y := irq.o mm.o time.o devices.o gpio.o idle.o
# Board-specific support
obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o
......
/*
* arch/arm/mach-gemini/idle.c
*/
#include <linux/init.h>
#include <asm/system.h>
#include <asm/proc-fns.h>
static void gemini_idle(void)
{
/*
* Because of broken hardware we have to enable interrupts or the CPU
* will never wakeup... Acctualy it is not very good to enable
* interrupts first since scheduler can miss a tick, but there is
* no other way around this. Platforms that needs it for power saving
* should call enable_hlt() in init code, since by default it is
* disabled.
*/
local_irq_enable();
cpu_do_idle();
}
static int __init gemini_idle_init(void)
{
arm_pm_idle = gemini_idle;
return 0;
}
arch_initcall(gemini_idle_init);
......@@ -14,20 +14,6 @@
#include <mach/hardware.h>
#include <mach/global_reg.h>
static inline void arch_idle(void)
{
/*
* Because of broken hardware we have to enable interrupts or the CPU
* will never wakeup... Acctualy it is not very good to enable
* interrupts here since scheduler can miss a tick, but there is
* no other way around this. Platforms that needs it for power saving
* should call enable_hlt() in init code, since by default it is
* disabled.
*/
local_irq_enable();
cpu_do_idle();
}
static inline void arch_reset(char mode, const char *cmd)
{
__raw_writel(RESET_GLOBAL | RESET_CPU1,
......
......@@ -73,8 +73,8 @@ void __init gemini_init_irq(void)
unsigned int i, mode = 0, level = 0;
/*
* Disable arch_idle() by default since it is buggy
* For more info see arch/arm/mach-gemini/include/mach/system.h
* Disable the idle handler by default since it is buggy
* For more info see arch/arm/mach-gemini/idle.c
*/
disable_hlt();
......
......@@ -247,3 +247,21 @@ void h720x_restart(char mode, const char *cmd)
{
CPU_REG (PMU_BASE, PMU_STAT) |= PMU_WARMRESET;
}
static void h720x__idle(void)
{
CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
nop();
nop();
CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
nop();
nop();
}
static int __init h720x_idle_init(void)
{
arm_pm_idle = h720x__idle;
return 0;
}
arch_initcall(h720x_idle_init);
/*
* arch/arm/mach-h720x/include/mach/system.h
*
* Copyright (C) 2001-2002 Jungjun Kim, Hynix Semiconductor Inc.
*
* 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.
* arch/arm/mach-h720x/include/mach/system.h
*
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <mach/hardware.h>
static void arch_idle(void)
{
CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
nop();
nop();
CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
nop();
nop();
}
#endif
......@@ -33,7 +33,6 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/irqs.h>
#include "core.h"
#include "sysregs.h"
......
#ifndef __MACH_IRQS_H
#define __MACH_IRQS_H
#define NR_IRQS 192
#endif
/*
* Copyright 2010-2011 Calxeda, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MACH_SYSTEM_H
#define __MACH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif
......@@ -34,31 +34,29 @@ static void imx3_idle(void)
{
unsigned long reg = 0;
if (!need_resched())
__asm__ __volatile__(
/* disable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"bic %0, %0, #0x00001000\n"
"bic %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
/* invalidate I cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c5, 0\n"
/* clear and invalidate D cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c14, 0\n"
/* WFI */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c0, 4\n"
"nop\n" "nop\n" "nop\n" "nop\n"
"nop\n" "nop\n" "nop\n"
/* enable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"orr %0, %0, #0x00001000\n"
"orr %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
: "=r" (reg));
local_irq_enable();
__asm__ __volatile__(
/* disable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"bic %0, %0, #0x00001000\n"
"bic %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
/* invalidate I cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c5, 0\n"
/* clear and invalidate D cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c14, 0\n"
/* WFI */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c0, 4\n"
"nop\n" "nop\n" "nop\n" "nop\n"
"nop\n" "nop\n" "nop\n"
/* enable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"orr %0, %0, #0x00001000\n"
"orr %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
: "=r" (reg));
}
static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size,
......@@ -134,8 +132,8 @@ void __init imx31_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX31);
mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
pm_idle = imx3_idle;
imx_ioremap = imx3_ioremap;
arm_pm_idle = imx3_idle;
}
void __init mx31_init_irq(void)
......@@ -197,7 +195,7 @@ void __init imx35_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX35);
mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
pm_idle = imx3_idle;
arm_pm_idle = imx3_idle;
imx_ioremap = imx3_ioremap;
}
......
......@@ -10,7 +10,6 @@
#include <linux/kernel.h>
#include <linux/suspend.h>
#include <linux/io.h>
#include <mach/system.h>
#include <mach/hardware.h>
static int mx27_suspend_enter(suspend_state_t state)
......@@ -23,7 +22,7 @@ static int mx27_suspend_enter(suspend_state_t state)
cscr &= 0xFFFFFFFC;
__raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
/* Executes WFI */
arch_idle();
cpu_do_idle();
break;
default:
......
......@@ -5,7 +5,6 @@ menu "Integrator Options"
config ARCH_INTEGRATOR_AP
bool "Support Integrator/AP and Integrator/PP2 platforms"
select CLKSRC_MMIO
select HAVE_SCHED_CLOCK
select MIGHT_HAVE_PCI
select SERIAL_AMBA_PL010
select SERIAL_AMBA_PL010_CONSOLE
......
......@@ -36,67 +36,23 @@
static struct amba_pl010_data integrator_uart_data;
static struct amba_device rtc_device = {
.dev = {
.init_name = "mb:15",
},
.res = {
.start = INTEGRATOR_RTC_BASE,
.end = INTEGRATOR_RTC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_RTCINT, NO_IRQ },
};
#define INTEGRATOR_RTC_IRQ { IRQ_RTCINT }
#define INTEGRATOR_UART0_IRQ { IRQ_UARTINT0 }
#define INTEGRATOR_UART1_IRQ { IRQ_UARTINT1 }
#define KMI0_IRQ { IRQ_KMIINT0 }
#define KMI1_IRQ { IRQ_KMIINT1 }
static struct amba_device uart0_device = {
.dev = {
.init_name = "mb:16",
.platform_data = &integrator_uart_data,
},
.res = {
.start = INTEGRATOR_UART0_BASE,
.end = INTEGRATOR_UART0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_UARTINT0, NO_IRQ },
};
static AMBA_APB_DEVICE(rtc, "mb:15", 0,
INTEGRATOR_RTC_BASE, INTEGRATOR_RTC_IRQ, NULL);
static struct amba_device uart1_device = {
.dev = {
.init_name = "mb:17",
.platform_data = &integrator_uart_data,
},
.res = {
.start = INTEGRATOR_UART1_BASE,
.end = INTEGRATOR_UART1_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_UARTINT1, NO_IRQ },
};
static AMBA_APB_DEVICE(uart0, "mb:16", 0,
INTEGRATOR_UART0_BASE, INTEGRATOR_UART0_IRQ, &integrator_uart_data);
static struct amba_device kmi0_device = {
.dev = {
.init_name = "mb:18",
},
.res = {
.start = KMI0_BASE,
.end = KMI0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_KMIINT0, NO_IRQ },
};
static AMBA_APB_DEVICE(uart1, "mb:17", 0,
INTEGRATOR_UART1_BASE, INTEGRATOR_UART1_IRQ, &integrator_uart_data);
static struct amba_device kmi1_device = {
.dev = {
.init_name = "mb:19",
},
.res = {
.start = KMI1_BASE,
.end = KMI1_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_KMIINT1, NO_IRQ },
};
static AMBA_APB_DEVICE(kmi0, "mb:18", 0, KMI0_BASE, KMI0_IRQ, NULL);
static AMBA_APB_DEVICE(kmi1, "mb:19", 0, KMI1_BASE, KMI1_IRQ, NULL);
static struct amba_device *amba_devs[] __initdata = {
&rtc_device,
......
......@@ -401,24 +401,21 @@ static int impd1_probe(struct lm_device *dev)
pc_base = dev->resource.start + idev->offset;
d = kzalloc(sizeof(struct amba_device), GFP_KERNEL);
d = amba_device_alloc(NULL, pc_base, SZ_4K);
if (!d)
continue;
dev_set_name(&d->dev, "lm%x:%5.5lx", dev->id, idev->offset >> 12);
d->dev.parent = &dev->dev;
d->res.start = dev->resource.start + idev->offset;
d->res.end = d->res.start + SZ_4K - 1;
d->res.flags = IORESOURCE_MEM;
d->irq[0] = dev->irq;
d->irq[1] = dev->irq;
d->periphid = idev->id;
d->dev.platform_data = idev->platform_data;
ret = amba_device_register(d, &dev->resource);
ret = amba_device_add(d, &dev->resource);
if (ret) {
dev_err(&d->dev, "unable to register device: %d\n", ret);
kfree(d);
amba_device_put(d);
}
}
......
/*
* arch/arm/mach-integrator/include/mach/system.h
*
* Copyright (C) 1999 ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
/*
* This should do all the clock switching
* and wait for interrupt tricks
*/
cpu_do_idle();
}
#endif
......@@ -347,32 +347,14 @@ static struct mmci_platform_data mmc_data = {
.gpio_cd = -1,
};
static struct amba_device mmc_device = {
.dev = {
.init_name = "mb:1c",
.platform_data = &mmc_data,
},
.res = {
.start = INTEGRATOR_CP_MMC_BASE,
.end = INTEGRATOR_CP_MMC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 },
.periphid = 0,
};
#define INTEGRATOR_CP_MMC_IRQS { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 }
#define INTEGRATOR_CP_AACI_IRQS { IRQ_CP_AACIINT }
static struct amba_device aaci_device = {
.dev = {
.init_name = "mb:1d",
},
.res = {
.start = INTEGRATOR_CP_AACI_BASE,
.end = INTEGRATOR_CP_AACI_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_CP_AACIINT, NO_IRQ },
.periphid = 0,
};
static AMBA_APB_DEVICE(mmc, "mb:1c", 0, INTEGRATOR_CP_MMC_BASE,
INTEGRATOR_CP_MMC_IRQS, &mmc_data);
static AMBA_APB_DEVICE(aaci, "mb:1d", 0, INTEGRATOR_CP_AACI_BASE,
INTEGRATOR_CP_AACI_IRQS, NULL);
/*
......@@ -425,21 +407,8 @@ static struct clcd_board clcd_data = {
.remove = versatile_clcd_remove_dma,
};
static struct amba_device clcd_device = {
.dev = {
.init_name = "mb:c0",
.coherent_dma_mask = ~0,
.platform_data = &clcd_data,
},
.res = {
.start = INTCP_PA_CLCD_BASE,
.end = INTCP_PA_CLCD_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.dma_mask = ~0,
.irq = { IRQ_CP_CLCDCINT, NO_IRQ },
.periphid = 0,
};
static AMBA_AHB_DEVICE(clcd, "mb:c0", 0, INTCP_PA_CLCD_BASE,
{ IRQ_CP_CLCDCINT }, &clcd_data);
static struct amba_device *amba_devs[] __initdata = {
&mmc_device,
......
/*
* arch/arm/mach-iop13xx/include/mach/system.h
*
* Copyright (C) 2004 Intel Corp.
*
* 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.
*/
static inline void arch_idle(void)
{
cpu_do_idle();
}
/*
* arch/arm/mach-iop32x/include/mach/system.h
*
* Copyright (C) 2001 MontaVista Software, Inc.
*
* 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.
*/
static inline void arch_idle(void)
{
cpu_do_idle();
}
/*
* arch/arm/mach-iop33x/include/mach/system.h
*
* Copyright (C) 2001 MontaVista Software, Inc.
*
* 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.
*/
static inline void arch_idle(void)
{
cpu_do_idle();
}
/*
* arch/arm/mach-ixp2000/include/mach/system.h
*
* Copyright (C) 2002 Intel Corp.
* Copyricht (C) 2003-2005 MontaVista Software, Inc.
*
* 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.
*/
static inline void arch_idle(void)
{
cpu_do_idle();
}
......@@ -441,6 +441,9 @@ static struct platform_device *ixp23xx_devices[] __initdata = {
void __init ixp23xx_sys_init(void)
{
/* by default, the idle code is disabled */
disable_hlt();
*IXP23XX_EXP_UNIT_FUSE |= 0xf;
platform_add_devices(ixp23xx_devices, ARRAY_SIZE(ixp23xx_devices));
}
......
/*
* arch/arm/mach-ixp23xx/include/mach/system.h
*
* Copyright (C) 2003 Intel Corporation.
*
* 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.
*/
static inline void arch_idle(void)
{
#if 0
if (!hlt_counter)
cpu_do_idle();
#endif
}
......@@ -236,6 +236,12 @@ void __init ixp4xx_init_irq(void)
{
int i = 0;
/*
* ixp4xx does not implement the XScale PWRMODE register
* so it must not call cpu_do_idle().
*/
disable_hlt();
/* Route all sources to IRQ instead of FIQ */
*IXP4XX_ICLR = 0x0;
......
/*
* arch/arm/mach-ixp4xx/include/mach/system.h
*
* Copyright (C) 2002 Intel Corporation.
*
* 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.
*
*/
static inline void arch_idle(void)
{
/* ixp4xx does not implement the XScale PWRMODE register,
* so it must not call cpu_do_idle() here.
*/
#if 0
cpu_do_idle();
#endif
}
/*
* arch/arm/mach-kirkwood/include/mach/system.h
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif
/*
* arch/arm/mach-s3c2410/include/mach/system.h
*
* Copyright (C) 2006 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* KS8695 - System function defines and includes
*
* 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 __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static void arch_idle(void)
{
/*
* This should do all the clock switching
* and wait for interrupt tricks,
*/
cpu_do_idle();
}
#endif
/*
* arch/arm/mach-lpc32xx/include/mach/system.h
*
* Author: Kevin Wells <kevin.wells@nxp.com>
*
* Copyright (C) 2010 NXP Semiconductors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static void arch_idle(void)
{
cpu_do_idle();
}
#endif
......@@ -149,20 +149,8 @@ static struct clcd_board lpc32xx_clcd_data = {
.remove = lpc32xx_clcd_remove,
};
static struct amba_device lpc32xx_clcd_device = {
.dev = {
.coherent_dma_mask = ~0,
.init_name = "dev:clcd",
.platform_data = &lpc32xx_clcd_data,
},
.res = {
.start = LPC32XX_LCD_BASE,
.end = (LPC32XX_LCD_BASE + SZ_4K - 1),
.flags = IORESOURCE_MEM,
},
.dma_mask = ~0,
.irq = {IRQ_LPC32XX_LCD, NO_IRQ},
};
static AMBA_AHB_DEVICE(lpc32xx_clcd, "dev:clcd", 0,
LPC32XX_LCD_BASE, { IRQ_LPC32XX_LCD }, &lpc32xx_clcd_data);
/*
* AMBA SSP (SPI)
......@@ -191,20 +179,8 @@ static struct pl022_ssp_controller lpc32xx_ssp0_data = {
.enable_dma = 0,
};
static struct amba_device lpc32xx_ssp0_device = {
.dev = {
.coherent_dma_mask = ~0,
.init_name = "dev:ssp0",
.platform_data = &lpc32xx_ssp0_data,
},
.res = {
.start = LPC32XX_SSP0_BASE,
.end = (LPC32XX_SSP0_BASE + SZ_4K - 1),
.flags = IORESOURCE_MEM,
},
.dma_mask = ~0,
.irq = {IRQ_LPC32XX_SSP0, NO_IRQ},
};
static AMBA_APB_DEVICE(lpc32xx_ssp0, "dev:ssp0", 0,
LPC32XX_SSP0_BASE, { IRQ_LPC32XX_SSP0 }, &lpc32xx_ssp0_data);
/* AT25 driver registration */
static int __init phy3250_spi_board_register(void)
......
......@@ -24,6 +24,7 @@
#include <mach/addr-map.h>
#include <mach/mfp-pxa168.h>
#include <mach/pxa168.h>
#include <mach/irqs.h>
#include <video/pxa168fb.h>
#include <linux/input.h>
#include <plat/pxa27x_keypad.h>
......@@ -240,7 +241,7 @@ static void __init common_init(void)
MACHINE_START(ASPENITE, "PXA168-based Aspenite Development Platform")
.map_io = mmp_map_io,
.nr_irqs = IRQ_BOARD_START,
.nr_irqs = MMP_NR_IRQS,
.init_irq = pxa168_init_irq,
.timer = &pxa168_timer,
.init_machine = common_init,
......@@ -249,7 +250,7 @@ MACHINE_END
MACHINE_START(ZYLONITE2, "PXA168-based Zylonite2 Development Platform")
.map_io = mmp_map_io,
.nr_irqs = IRQ_BOARD_START,
.nr_irqs = MMP_NR_IRQS,
.init_irq = pxa168_init_irq,
.timer = &pxa168_timer,
.init_machine = common_init,
......
......@@ -43,6 +43,7 @@ static void __init avengers_lite_init(void)
MACHINE_START(AVENGERS_LITE, "PXA168 Avengers lite Development Platform")
.map_io = mmp_map_io,
.nr_irqs = MMP_NR_IRQS,
.init_irq = pxa168_init_irq,
.timer = &pxa168_timer,
.init_machine = avengers_lite_init,
......
......@@ -28,7 +28,7 @@
#include "common.h"
#define BROWNSTONE_NR_IRQS (IRQ_BOARD_START + 40)
#define BROWNSTONE_NR_IRQS (MMP_NR_IRQS + 40)
#define GPIO_5V_ENABLE (89)
......@@ -158,7 +158,7 @@ static struct platform_device brownstone_v_5vp_device = {
};
static struct max8925_platform_data brownstone_max8925_info = {
.irq_base = IRQ_BOARD_START,
.irq_base = MMP_NR_IRQS,
};
static struct i2c_board_info brownstone_twsi1_info[] = {
......
......@@ -23,10 +23,11 @@
#include <mach/addr-map.h>
#include <mach/mfp-mmp2.h>
#include <mach/mmp2.h>
#include <mach/irqs.h>
#include "common.h"
#define FLINT_NR_IRQS (IRQ_BOARD_START + 48)
#define FLINT_NR_IRQS (MMP_NR_IRQS + 48)
static unsigned long flint_pin_config[] __initdata = {
/* UART1 */
......
......@@ -191,7 +191,7 @@ static void __init gplugd_init(void)
MACHINE_START(GPLUGD, "PXA168-based GuruPlug Display (gplugD) Platform")
.map_io = mmp_map_io,
.nr_irqs = IRQ_BOARD_START,
.nr_irqs = MMP_NR_IRQS,
.init_irq = pxa168_init_irq,
.timer = &pxa168_timer,
.init_machine = gplugd_init,
......
......@@ -223,7 +223,6 @@
#define MMP_GPIO_TO_IRQ(gpio) (IRQ_GPIO_START + (gpio))
#define IRQ_BOARD_START (IRQ_GPIO_START + MMP_NR_BUILTIN_GPIO)
#define NR_IRQS (IRQ_BOARD_START)
#define MMP_NR_IRQS IRQ_BOARD_START
#endif /* __ASM_MACH_IRQS_H */
/*
* linux/arch/arm/mach-mmp/include/mach/system.h
*
* 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 __ASM_MACH_SYSTEM_H
#define __ASM_MACH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif /* __ASM_MACH_SYSTEM_H */
......@@ -15,6 +15,7 @@
#include <linux/irq.h>
#include <linux/io.h>
#include <mach/irqs.h>
#include <mach/regs-icu.h>
#include <mach/mmp2.h>
......
......@@ -19,6 +19,7 @@
#include <linux/mfd/max8925.h>
#include <linux/interrupt.h>
#include <mach/irqs.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/addr-map.h>
......@@ -27,7 +28,7 @@
#include "common.h"
#define JASPER_NR_IRQS (IRQ_BOARD_START + 48)
#define JASPER_NR_IRQS (MMP_NR_IRQS + 48)
static unsigned long jasper_pin_config[] __initdata = {
/* UART1 */
......@@ -135,7 +136,7 @@ static struct max8925_power_pdata jasper_power_data = {
static struct max8925_platform_data jasper_max8925_info = {
.backlight = &jasper_backlight_data,
.power = &jasper_power_data,
.irq_base = IRQ_BOARD_START,
.irq_base = MMP_NR_IRQS,
};
static struct i2c_board_info jasper_twsi1_info[] = {
......
......@@ -102,6 +102,7 @@ static void __init tavorevb_init(void)
MACHINE_START(TAVOREVB, "PXA910 Evaluation Board (aka TavorEVB)")
.map_io = mmp_map_io,
.nr_irqs = MMP_NR_IRQS,
.init_irq = pxa910_init_irq,
.timer = &pxa910_timer,
.init_machine = tavorevb_init,
......
......@@ -26,6 +26,7 @@
#include <mach/mfp-pxa168.h>
#include <mach/pxa168.h>
#include <mach/teton_bga.h>
#include <mach/irqs.h>
#include "common.h"
......@@ -83,7 +84,7 @@ static void __init teton_bga_init(void)
MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
.map_io = mmp_map_io,
.nr_irqs = IRQ_BOARD_START,
.nr_irqs = MMP_NR_IRQS,
.init_irq = pxa168_init_irq,
.timer = &pxa168_timer,
.init_machine = teton_bga_init,
......
......@@ -38,7 +38,7 @@
* 16 board interrupts -- PCA9575 GPIO expander
* 24 board interrupts -- 88PM860x PMIC
*/
#define TTCDKB_NR_IRQS (IRQ_BOARD_START + 16 + 16 + 24)
#define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24)
static unsigned long ttc_dkb_pin_config[] __initdata = {
/* UART2 */
......@@ -130,7 +130,7 @@ static struct platform_device *ttc_dkb_devices[] = {
static struct pca953x_platform_data max7312_data[] = {
{
.gpio_base = TTCDKB_GPIO_EXT0(0),
.irq_base = IRQ_BOARD_START,
.irq_base = MMP_NR_IRQS,
},
};
......
/* arch/arm/mach-msm/include/mach/idle.S
/* arch/arm/mach-msm/idle.c
*
* Idle processing for MSM7K - work around bugs with SWFI.
*
* Copyright (c) 2007 QUALCOMM Incorporated.
* Copyright (C) 2007 Google, Inc.
* Copyright (C) 2007 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
......@@ -14,23 +14,36 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
*/
ENTRY(arch_idle)
#include <linux/init.h>
#include <asm/system.h>
static void msm_idle(void)
{
#ifdef CONFIG_MSM7X00A_IDLE
mrc p15, 0, r1, c1, c0, 0 /* read current CR */
bic r0, r1, #(1 << 2) /* clear dcache bit */
bic r0, r0, #(1 << 12) /* clear icache bit */
mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */
asm volatile (
"mrc p15, 0, r1, c1, c0, 0 /* read current CR */ \n\t"
"bic r0, r1, #(1 << 2) /* clear dcache bit */ \n\t"
"bic r0, r0, #(1 << 12) /* clear icache bit */ \n\t"
"mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ \n\t"
"mov r0, #0 /* prepare wfi value */ \n\t"
"mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ \n\t"
"mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ \n\t"
"mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ \n\t"
mov r0, #0 /* prepare wfi value */
mcr p15, 0, r0, c7, c10, 0 /* flush the cache */
mcr p15, 0, r0, c7, c10, 4 /* memory barrier */
mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */
"mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ \n\t"
mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */
: : : "r0","r1" );
#endif
mov pc, lr
}
static int __init msm_idle_init(void)
{
arm_pm_idle = msm_idle;
return 0;
}
arch_initcall(msm_idle_init);
......@@ -12,7 +12,6 @@
* GNU General Public License for more details.
*
*/
void arch_idle(void);
/* low level hardware reset hook -- for example, hitting the
* PSHOLD line on the PMIC to hard reset the system
......
......@@ -24,6 +24,7 @@
#include <asm/mach/time.h>
#include <asm/hardware/gic.h>
#include <asm/localtimer.h>
#include <asm/sched_clock.h>
#include <mach/msm_iomap.h>
#include <mach/cpu.h>
......@@ -105,12 +106,12 @@ static union {
static void __iomem *source_base;
static cycle_t msm_read_timer_count(struct clocksource *cs)
static notrace cycle_t msm_read_timer_count(struct clocksource *cs)
{
return readl_relaxed(source_base + TIMER_COUNT_VAL);
}
static cycle_t msm_read_timer_count_shift(struct clocksource *cs)
static notrace cycle_t msm_read_timer_count_shift(struct clocksource *cs)
{
/*
* Shift timer count down by a constant due to unreliable lower bits
......@@ -127,6 +128,11 @@ static struct clocksource msm_clocksource = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static notrace u32 msm_sched_clock_read(void)
{
return msm_clocksource.read(&msm_clocksource);
}
static void __init msm_timer_init(void)
{
struct clock_event_device *ce = &msm_clockevent;
......@@ -189,6 +195,8 @@ static void __init msm_timer_init(void)
res = clocksource_register_hz(cs, dgt_hz);
if (res)
pr_err("clocksource_register failed\n");
setup_sched_clock(msm_sched_clock_read,
cpu_is_msm7x01() ? 32 - MSM_DGT_SHIFT : 32, dgt_hz);
}
#ifdef CONFIG_LOCAL_TIMERS
......
/*
* arch/arm/mach-mv78xx0/include/mach/system.h
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif
......@@ -26,23 +26,17 @@ static struct clk *gpc_dvfs_clk;
static void imx5_idle(void)
{
if (!need_resched()) {
/* gpc clock is needed for SRPG */
if (gpc_dvfs_clk == NULL) {
gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
if (IS_ERR(gpc_dvfs_clk))
goto err0;
}
clk_enable(gpc_dvfs_clk);
mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
if (tzic_enable_wake())
goto err1;
cpu_do_idle();
err1:
clk_disable(gpc_dvfs_clk);
/* gpc clock is needed for SRPG */
if (gpc_dvfs_clk == NULL) {
gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
if (IS_ERR(gpc_dvfs_clk))
return;
}
err0:
local_irq_enable();
clk_enable(gpc_dvfs_clk);
mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
if (tzic_enable_wake() != 0)
cpu_do_idle();
clk_disable(gpc_dvfs_clk);
}
/*
......@@ -108,7 +102,7 @@ void __init imx51_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX51);
mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
pm_idle = imx5_idle;
arm_pm_idle = imx5_idle;
}
void __init imx53_init_early(void)
......
......@@ -77,16 +77,18 @@ struct platform_device *__init mxs_add_platform_device_dmamask(
int __init mxs_add_amba_device(const struct amba_device *dev)
{
struct amba_device *adev = kmalloc(sizeof(*adev), GFP_KERNEL);
struct amba_device *adev = amba_device_alloc(dev->dev.init_name,
dev->res.start, resource_size(&dev->res));
if (!adev) {
pr_err("%s: failed to allocate memory", __func__);
return -ENOMEM;
}
*adev = *dev;
adev->irq[0] = dev->irq[0];
adev->irq[1] = dev->irq[1];
return amba_device_register(adev, &iomem_resource);
return amba_device_add(adev, &iomem_resource);
}
struct device mxs_apbh_bus = {
......
......@@ -23,7 +23,7 @@ const struct amba_device name##_device __initconst = { \
.end = (soc ## _DUART_BASE_ADDR) + SZ_8K - 1, \
.flags = IORESOURCE_MEM, \
}, \
.irq = {soc ## _INT_DUART, NO_IRQ}, \
.irq = {soc ## _INT_DUART}, \
}
#ifdef CONFIG_SOC_IMX23
......
/*
* Copyright (C) 1999 ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
* Copyright 2004-2008 Freescale Semiconductor, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MACH_MXS_SYSTEM_H__
#define __MACH_MXS_SYSTEM_H__
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif /* __MACH_MXS_SYSTEM_H__ */
......@@ -15,13 +15,12 @@
#include <linux/kernel.h>
#include <linux/suspend.h>
#include <linux/io.h>
#include <mach/system.h>
static int mxs_suspend_enter(suspend_state_t state)
{
switch (state) {
case PM_SUSPEND_MEM:
arch_idle();
cpu_do_idle();
break;
default:
......
......@@ -92,18 +92,7 @@ void clk_put(struct clk *clk)
{
}
static struct amba_device fb_device = {
.dev = {
.init_name = "fb",
.coherent_dma_mask = ~0,
},
.res = {
.start = 0x00104000,
.end = 0x00104fff,
.flags = IORESOURCE_MEM,
},
.irq = { NETX_IRQ_LCD, NO_IRQ },
};
static AMBA_AHB_DEVICE(fb, "fb", 0, 0x00104000, { NETX_IRQ_LCD }, NULL);
int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel)
{
......
/*
* arch/arm/mach-netx/include/mach/system.h
*
* Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* 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
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif
......@@ -185,20 +185,11 @@ static void __init nhk8815_onenand_init(void)
#endif
}
#define __MEM_4K_RESOURCE(x) \
.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
static AMBA_APB_DEVICE(uart0, "uart0", 0, NOMADIK_UART0_BASE,
{ IRQ_UART0 }, NULL);
static struct amba_device uart0_device = {
.dev = { .init_name = "uart0" },
__MEM_4K_RESOURCE(NOMADIK_UART0_BASE),
.irq = {IRQ_UART0, NO_IRQ},
};
static struct amba_device uart1_device = {
.dev = { .init_name = "uart1" },
__MEM_4K_RESOURCE(NOMADIK_UART1_BASE),
.irq = {IRQ_UART1, NO_IRQ},
};
static AMBA_APB_DEVICE(uart1, "uart1", 0, NOMADIK_UART1_BASE,
{ IRQ_UART1 }, NULL);
static struct amba_device *amba_devs[] __initdata = {
&uart0_device,
......
......@@ -97,12 +97,7 @@ static struct platform_device cpu8815_platform_gpio[] = {
GPIO_DEVICE(3),
};
static struct amba_device cpu8815_amba_rng = {
.dev = {
.init_name = "rng",
},
__MEM_4K_RESOURCE(NOMADIK_RNG_BASE),
};
static AMBA_APB_DEVICE(cpu8815_amba_rng, "rng", 0, NOMADIK_RNG_BASE, { }, NULL);
static struct platform_device *platform_devs[] __initdata = {
cpu8815_platform_gpio + 0,
......@@ -112,7 +107,7 @@ static struct platform_device *platform_devs[] __initdata = {
};
static struct amba_device *amba_devs[] __initdata = {
&cpu8815_amba_rng
&cpu8815_amba_rng_device
};
static int __init cpu8815_init(void)
......
/*
* mach-nomadik/include/mach/system.h
*
* Copyright (C) 2008 STMicroelectronics
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
/*
* This should do all the clock switching
* and wait for interrupt tricks
*/
cpu_do_idle();
}
#endif
/*
* arch/arm/mach-omap1/include/mach/system.h
*/
#include <plat/system.h>
......@@ -42,9 +42,9 @@
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/atomic.h>
#include <asm/irq.h>
#include <linux/atomic.h>
#include <asm/mach/time.h>
#include <asm/mach/irq.h>
......@@ -108,13 +108,7 @@ void omap1_pm_idle(void)
__u32 use_idlect1 = arm_idlect1_mask;
int do_sleep = 0;
local_irq_disable();
local_fiq_disable();
if (need_resched()) {
local_fiq_enable();
local_irq_enable();
return;
}
#if defined(CONFIG_OMAP_MPU_TIMER) && !defined(CONFIG_OMAP_DM_TIMER)
#warning Enable 32kHz OS timer in order to allow sleep states in idle
......@@ -157,14 +151,12 @@ void omap1_pm_idle(void)
omap_writel(saved_idlect1, ARM_IDLECT1);
local_fiq_enable();
local_irq_enable();
return;
}
omap_sram_suspend(omap_readl(ARM_IDLECT1),
omap_readl(ARM_IDLECT2));
local_fiq_enable();
local_irq_enable();
}
/*
......@@ -583,8 +575,6 @@ static void omap_pm_init_proc(void)
#endif /* DEBUG && CONFIG_PROC_FS */
static void (*saved_idle)(void) = NULL;
/*
* omap_pm_prepare - Do preliminary suspend work.
*
......@@ -592,8 +582,7 @@ static void (*saved_idle)(void) = NULL;
static int omap_pm_prepare(void)
{
/* We cannot sleep in idle until we have resumed */
saved_idle = pm_idle;
pm_idle = NULL;
disable_hlt();
return 0;
}
......@@ -630,7 +619,7 @@ static int omap_pm_enter(suspend_state_t state)
static void omap_pm_finish(void)
{
pm_idle = saved_idle;
enable_hlt();
}
......@@ -687,7 +676,7 @@ static int __init omap_pm_init(void)
return -ENODEV;
}
pm_idle = omap1_pm_idle;
arm_pm_idle = omap1_pm_idle;
if (cpu_is_omap7xx())
setup_irq(INT_7XX_WAKE_UP_REQ, &omap_wakeup_irq);
......
......@@ -30,29 +30,8 @@ MODULE_AUTHOR("Alexander Shishkin");
#define ETB_BASE (L4_EMU_34XX_PHYS + 0x1b000)
#define DAPCTL (L4_EMU_34XX_PHYS + 0x1d000)
static struct amba_device omap3_etb_device = {
.dev = {
.init_name = "etb",
},
.res = {
.start = ETB_BASE,
.end = ETB_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.periphid = 0x000bb907,
};
static struct amba_device omap3_etm_device = {
.dev = {
.init_name = "etm",
},
.res = {
.start = ETM_BASE,
.end = ETM_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.periphid = 0x102bb921,
};
static AMBA_APB_DEVICE(omap3_etb, "etb", 0x000bb907, ETB_BASE, { }, NULL);
static AMBA_APB_DEVICE(omap3_etm, "etm", 0x102bb921, ETM_BASE, { }, NULL);
static int __init emu_init(void)
{
......@@ -66,4 +45,3 @@ static int __init emu_init(void)
}
subsys_initcall(emu_init);
/*
* arch/arm/mach-omap2/include/mach/system.h
*/
#include <plat/system.h>
......@@ -232,7 +232,6 @@ static int omap2_can_sleep(void)
static void omap2_pm_idle(void)
{
local_irq_disable();
local_fiq_disable();
if (!omap2_can_sleep()) {
......@@ -249,7 +248,6 @@ static void omap2_pm_idle(void)
out:
local_fiq_enable();
local_irq_enable();
}
#ifdef CONFIG_SUSPEND
......@@ -468,7 +466,7 @@ static int __init omap2_pm_init(void)
}
suspend_set_ops(&omap_pm_ops);
pm_idle = omap2_pm_idle;
arm_pm_idle = omap2_pm_idle;
return 0;
}
......
......@@ -418,10 +418,9 @@ void omap_sram_idle(void)
static void omap3_pm_idle(void)
{
local_irq_disable();
local_fiq_disable();
if (omap_irq_pending() || need_resched())
if (omap_irq_pending())
goto out;
trace_power_start(POWER_CSTATE, 1, smp_processor_id());
......@@ -434,7 +433,6 @@ static void omap3_pm_idle(void)
out:
local_fiq_enable();
local_irq_enable();
}
#ifdef CONFIG_SUSPEND
......@@ -848,7 +846,7 @@ static int __init omap3_pm_init(void)
suspend_set_ops(&omap_pm_ops);
#endif /* CONFIG_SUSPEND */
pm_idle = omap3_pm_idle;
arm_pm_idle = omap3_pm_idle;
omap3_idle_init();
/*
......
......@@ -173,18 +173,16 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
* omap_default_idle - OMAP4 default ilde routine.'
*
* Implements OMAP4 memory, IO ordering requirements which can't be addressed
* with default arch_idle() hook. Used by all CPUs with !CONFIG_CPUIDLE and
* with default cpu_do_idle() hook. Used by all CPUs with !CONFIG_CPUIDLE and
* by secondary CPU with CONFIG_CPUIDLE.
*/
static void omap_default_idle(void)
{
local_irq_disable();
local_fiq_disable();
omap_do_wfi();
local_fiq_enable();
local_irq_enable();
}
/**
......@@ -255,8 +253,8 @@ static int __init omap4_pm_init(void)
suspend_set_ops(&omap_pm_ops);
#endif /* CONFIG_SUSPEND */
/* Overwrite the default arch_idle() */
pm_idle = omap_default_idle;
/* Overwrite the default cpu_do_idle() */
arm_pm_idle = omap_default_idle;
omap4_idle_init();
......
......@@ -24,7 +24,6 @@
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <mach/system.h>
#include <plat/common.h>
#include <plat/prcm.h>
#include <plat/irqs.h>
......
/*
* arch/arm/mach-orion5x/include/mach/system.h
*
* Tzachi Perelstein <tzachi@marvell.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#endif
/*
* Copyright (c) 2011 Picochip Ltd., Jamie Iles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MACH_IRQS_H
#define __MACH_IRQS_H
/* We dynamically allocate our irq_desc's. */
#define NR_IRQS 0
#endif /* __MACH_IRQS_H */
/*
* Copyright (c) 2011 Picochip Ltd., Jamie Iles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
/*
* This should do all the clock switching and wait for interrupt
* tricks.
*/
cpu_do_idle();
}
#endif /* __ASM_ARCH_SYSTEM_H */
/*
* arch/arm/mach-pnx4008/include/mach/system.h
*
* Copyright (C) 2003 Philips Semiconductors
* Copyright (C) 2005 MontaVista Software, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static void arch_idle(void)
{
cpu_do_idle();
}
#endif
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