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authorDavid Vrabel <david.vrabel@citrix.com>2014-04-07 13:52:12 +0100
committerDavid Vrabel <david.vrabel@citrix.com>2014-04-07 13:52:12 +0100
commit2c5cb2770392fb9c5d8518688c8bc61986d70dc6 (patch)
treeb19210e709de6ee0d22b67ef605a569500cf1a18 /arch/arm
parentcd979883b9ede90643e019f33cb317933eb867b4 (diff)
parent683b6c6f82a60fabf47012581c2cfbf1b037ab95 (diff)
downloadop-kernel-dev-2c5cb2770392fb9c5d8518688c8bc61986d70dc6.zip
op-kernel-dev-2c5cb2770392fb9c5d8518688c8bc61986d70dc6.tar.gz
Merge commit '683b6c6f82a60fabf47012581c2cfbf1b037ab95' into stable/for-linus-3.15
This merge of the irq-core-for-linus branch broke the ARM build when Xen is enabled. Conflicts: drivers/xen/events/events_base.c
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/boot/compressed/.gitignore1
-rw-r--r--arch/arm/boot/dts/bcm11351.dtsi2
-rw-r--r--arch/arm/boot/dts/keystone-clocks.dtsi2
-rw-r--r--arch/arm/boot/dts/omap3-gta04.dts2
-rw-r--r--arch/arm/boot/dts/omap3-igep0020.dts2
-rw-r--r--arch/arm/boot/dts/omap3-igep0030.dts2
-rw-r--r--arch/arm/boot/dts/sama5d36.dtsi2
-rw-r--r--arch/arm/boot/dts/sun4i-a10.dtsi6
-rw-r--r--arch/arm/boot/dts/sun5i-a10s.dtsi6
-rw-r--r--arch/arm/boot/dts/sun5i-a13.dtsi6
-rw-r--r--arch/arm/boot/dts/sun6i-a31.dtsi10
-rw-r--r--arch/arm/boot/dts/sun7i-a20.dtsi22
-rw-r--r--arch/arm/boot/dts/zynq-7000.dtsi6
-rw-r--r--arch/arm/configs/tegra_defconfig3
-rw-r--r--arch/arm/include/asm/Kbuild5
-rw-r--r--arch/arm/include/asm/memory.h9
-rw-r--r--arch/arm/include/asm/topology.h3
-rw-r--r--arch/arm/kernel/head-common.S12
-rw-r--r--arch/arm/kernel/head.S2
-rw-r--r--arch/arm/kernel/process.c16
-rw-r--r--arch/arm/kvm/arm.c3
-rw-r--r--arch/arm/kvm/interrupts.S11
-rw-r--r--arch/arm/mach-davinci/da850.c2
-rw-r--r--arch/arm/mach-davinci/devices-da8xx.c99
-rw-r--r--arch/arm/mach-imx/pm-imx6q.c7
-rw-r--r--arch/arm/mach-mmp/pm-mmp2.c16
-rw-r--r--arch/arm/mach-mmp/pm-pxa910.c20
-rw-r--r--arch/arm/mach-omap1/ams-delta-fiq.c7
-rw-r--r--arch/arm/mach-omap2/cclock3xxx_data.c2
-rw-r--r--arch/arm/mach-omap2/cpuidle44xx.c8
-rw-r--r--arch/arm/mach-omap2/dpll3xxx.c92
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c20
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_7xx_data.c9
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c21
-rw-r--r--arch/arm/mach-omap2/prminst44xx.c4
-rw-r--r--arch/arm/mach-sa1100/include/mach/collie.h2
-rw-r--r--arch/arm/mach-shmobile/Kconfig36
-rw-r--r--arch/arm/mach-u300/Makefile2
-rw-r--r--arch/arm/mach-u300/timer.c451
-rw-r--r--arch/arm/mach-zynq/Kconfig4
-rw-r--r--arch/arm/mach-zynq/common.c3
-rw-r--r--arch/arm/mm/dump.c3
43 files changed, 258 insertions, 686 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e254198..1594945 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1578,6 +1578,7 @@ config BL_SWITCHER_DUMMY_IF
choice
prompt "Memory split"
+ depends on MMU
default VMSPLIT_3G
help
Select the desired split between kernel and user memory.
@@ -1595,6 +1596,7 @@ endchoice
config PAGE_OFFSET
hex
+ default PHYS_OFFSET if !MMU
default 0x40000000 if VMSPLIT_1G
default 0x80000000 if VMSPLIT_2G
default 0xC0000000
@@ -1903,6 +1905,7 @@ config XEN
depends on ARM && AEABI && OF
depends on CPU_V7 && !CPU_V6
depends on !GENERIC_ATOMIC64
+ depends on MMU
select ARM_PSCI
select SWIOTLB_XEN
select ARCH_DMA_ADDR_T_64BIT
diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index 47279aa..0714e03 100644
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -1,4 +1,5 @@
ashldi3.S
+bswapsdi2.S
font.c
lib1funcs.S
hyp-stub.S
diff --git a/arch/arm/boot/dts/bcm11351.dtsi b/arch/arm/boot/dts/bcm11351.dtsi
index e491b82..792fde1 100644
--- a/arch/arm/boot/dts/bcm11351.dtsi
+++ b/arch/arm/boot/dts/bcm11351.dtsi
@@ -147,7 +147,7 @@
};
pinctrl@35004800 {
- compatible = "brcm,capri-pinctrl";
+ compatible = "brcm,bcm11351-pinctrl";
reg = <0x35004800 0x430>;
};
diff --git a/arch/arm/boot/dts/keystone-clocks.dtsi b/arch/arm/boot/dts/keystone-clocks.dtsi
index 2363593..ef58d1c 100644
--- a/arch/arm/boot/dts/keystone-clocks.dtsi
+++ b/arch/arm/boot/dts/keystone-clocks.dtsi
@@ -612,7 +612,7 @@ clocks {
compatible = "ti,keystone,psc-clock";
clocks = <&chipclk13>;
clock-output-names = "vcp-3";
- reg = <0x0235000a8 0xb00>, <0x02350060 0x400>;
+ reg = <0x023500a8 0xb00>, <0x02350060 0x400>;
reg-names = "control", "domain";
domain-id = <24>;
};
diff --git a/arch/arm/boot/dts/omap3-gta04.dts b/arch/arm/boot/dts/omap3-gta04.dts
index c551e4a..d3b253b 100644
--- a/arch/arm/boot/dts/omap3-gta04.dts
+++ b/arch/arm/boot/dts/omap3-gta04.dts
@@ -13,7 +13,7 @@
/ {
model = "OMAP3 GTA04";
- compatible = "ti,omap3-gta04", "ti,omap3";
+ compatible = "ti,omap3-gta04", "ti,omap36xx", "ti,omap3";
cpus {
cpu@0 {
diff --git a/arch/arm/boot/dts/omap3-igep0020.dts b/arch/arm/boot/dts/omap3-igep0020.dts
index 25a2b5f..f2779ac 100644
--- a/arch/arm/boot/dts/omap3-igep0020.dts
+++ b/arch/arm/boot/dts/omap3-igep0020.dts
@@ -14,7 +14,7 @@
/ {
model = "IGEPv2 (TI OMAP AM/DM37x)";
- compatible = "isee,omap3-igep0020", "ti,omap3";
+ compatible = "isee,omap3-igep0020", "ti,omap36xx", "ti,omap3";
leds {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/omap3-igep0030.dts b/arch/arm/boot/dts/omap3-igep0030.dts
index 145c58c..2793749 100644
--- a/arch/arm/boot/dts/omap3-igep0030.dts
+++ b/arch/arm/boot/dts/omap3-igep0030.dts
@@ -13,7 +13,7 @@
/ {
model = "IGEP COM MODULE (TI OMAP AM/DM37x)";
- compatible = "isee,omap3-igep0030", "ti,omap3";
+ compatible = "isee,omap3-igep0030", "ti,omap36xx", "ti,omap3";
leds {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sama5d36.dtsi b/arch/arm/boot/dts/sama5d36.dtsi
index 6c31c26..db58cad 100644
--- a/arch/arm/boot/dts/sama5d36.dtsi
+++ b/arch/arm/boot/dts/sama5d36.dtsi
@@ -8,8 +8,8 @@
*/
#include "sama5d3.dtsi"
#include "sama5d3_can.dtsi"
-#include "sama5d3_emac.dtsi"
#include "sama5d3_gmac.dtsi"
+#include "sama5d3_emac.dtsi"
#include "sama5d3_lcd.dtsi"
#include "sama5d3_mci2.dtsi"
#include "sama5d3_tcb1.dtsi"
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 10666ca..249b6e0 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -331,7 +331,7 @@
};
intc: interrupt-controller@01c20400 {
- compatible = "allwinner,sun4i-ic";
+ compatible = "allwinner,sun4i-a10-ic";
reg = <0x01c20400 0x400>;
interrupt-controller;
#interrupt-cells = <1>;
@@ -403,7 +403,7 @@
};
timer@01c20c00 {
- compatible = "allwinner,sun4i-timer";
+ compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0x90>;
interrupts = <22>;
clocks = <&osc24M>;
@@ -426,7 +426,7 @@
};
rtp: rtp@01c25000 {
- compatible = "allwinner,sun4i-ts";
+ compatible = "allwinner,sun4i-a10-ts";
reg = <0x01c25000 0x100>;
interrupts = <29>;
};
diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index 6496159..ddb2545 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
@@ -294,7 +294,7 @@
};
intc: interrupt-controller@01c20400 {
- compatible = "allwinner,sun4i-ic";
+ compatible = "allwinner,sun4i-a10-ic";
reg = <0x01c20400 0x400>;
interrupt-controller;
#interrupt-cells = <1>;
@@ -366,7 +366,7 @@
};
timer@01c20c00 {
- compatible = "allwinner,sun4i-timer";
+ compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0x90>;
interrupts = <22>;
clocks = <&osc24M>;
@@ -383,7 +383,7 @@
};
rtp: rtp@01c25000 {
- compatible = "allwinner,sun4i-ts";
+ compatible = "allwinner,sun4i-a10-ts";
reg = <0x01c25000 0x100>;
interrupts = <29>;
};
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index 320335a..b373c74 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -275,7 +275,7 @@
ranges;
intc: interrupt-controller@01c20400 {
- compatible = "allwinner,sun4i-ic";
+ compatible = "allwinner,sun4i-a10-ic";
reg = <0x01c20400 0x400>;
interrupt-controller;
#interrupt-cells = <1>;
@@ -329,7 +329,7 @@
};
timer@01c20c00 {
- compatible = "allwinner,sun4i-timer";
+ compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0x90>;
interrupts = <22>;
clocks = <&osc24M>;
@@ -346,7 +346,7 @@
};
rtp: rtp@01c25000 {
- compatible = "allwinner,sun4i-ts";
+ compatible = "allwinner,sun4i-a10-ts";
reg = <0x01c25000 0x100>;
interrupts = <29>;
};
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index 5256ad9..38d43fe 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -190,6 +190,14 @@
#size-cells = <1>;
ranges;
+ nmi_intc: interrupt-controller@01f00c0c {
+ compatible = "allwinner,sun6i-a31-sc-nmi";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ reg = <0x01f00c0c 0x38>;
+ interrupts = <0 32 4>;
+ };
+
pio: pinctrl@01c20800 {
compatible = "allwinner,sun6i-a31-pinctrl";
reg = <0x01c20800 0x400>;
@@ -231,7 +239,7 @@
};
timer@01c20c00 {
- compatible = "allwinner,sun4i-timer";
+ compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0xa0>;
interrupts = <0 18 4>,
<0 19 4>,
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 9ff0948..cadcf2f 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -339,6 +339,14 @@
#size-cells = <1>;
ranges;
+ nmi_intc: interrupt-controller@01c00030 {
+ compatible = "allwinner,sun7i-a20-sc-nmi";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ reg = <0x01c00030 0x0c>;
+ interrupts = <0 0 4>;
+ };
+
emac: ethernet@01c0b000 {
compatible = "allwinner,sun4i-a10-emac";
reg = <0x01c0b000 0x1000>;
@@ -435,7 +443,7 @@
};
timer@01c20c00 {
- compatible = "allwinner,sun4i-timer";
+ compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0x90>;
interrupts = <0 22 4>,
<0 23 4>,
@@ -454,7 +462,7 @@
rtc: rtc@01c20d00 {
compatible = "allwinner,sun7i-a20-rtc";
reg = <0x01c20d00 0x20>;
- interrupts = <0 24 1>;
+ interrupts = <0 24 4>;
};
sid: eeprom@01c23800 {
@@ -463,7 +471,7 @@
};
rtp: rtp@01c25000 {
- compatible = "allwinner,sun4i-ts";
+ compatible = "allwinner,sun4i-a10-ts";
reg = <0x01c25000 0x100>;
interrupts = <0 29 4>;
};
@@ -596,10 +604,10 @@
hstimer@01c60000 {
compatible = "allwinner,sun7i-a20-hstimer";
reg = <0x01c60000 0x1000>;
- interrupts = <0 81 1>,
- <0 82 1>,
- <0 83 1>,
- <0 84 1>;
+ interrupts = <0 81 4>,
+ <0 82 4>,
+ <0 83 4>,
+ <0 84 4>;
clocks = <&ahb_gates 28>;
};
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 8b67b19..789d0ba 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -24,6 +24,12 @@
device_type = "cpu";
reg = <0>;
clocks = <&clkc 3>;
+ operating-points = <
+ /* kHz uV */
+ 666667 1000000
+ 333334 1000000
+ 222223 1000000
+ >;
};
cpu@1 {
diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig
index 00fe9e9..27d69b5 100644
--- a/arch/arm/configs/tegra_defconfig
+++ b/arch/arm/configs/tegra_defconfig
@@ -204,7 +204,10 @@ CONFIG_MMC_BLOCK_MINORS=16
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_SDHCI_TEGRA=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_ONESHOT=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 3278afe..23e728e 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -7,16 +7,19 @@ generic-y += current.h
generic-y += emergency-restart.h
generic-y += errno.h
generic-y += exec.h
+generic-y += hash.h
generic-y += ioctl.h
generic-y += ipcbuf.h
generic-y += irq_regs.h
generic-y += kdebug.h
generic-y += local.h
generic-y += local64.h
+generic-y += mcs_spinlock.h
generic-y += msgbuf.h
generic-y += param.h
generic-y += parport.h
generic-y += poll.h
+generic-y += preempt.h
generic-y += resource.h
generic-y += sections.h
generic-y += segment.h
@@ -33,5 +36,3 @@ generic-y += termios.h
generic-y += timex.h
generic-y += trace_clock.h
generic-y += unaligned.h
-generic-y += preempt.h
-generic-y += hash.h
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 8756e4b..4afb376 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -30,14 +30,15 @@
*/
#define UL(x) _AC(x, UL)
+/* PAGE_OFFSET - the virtual address of the start of the kernel image */
+#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET)
+
#ifdef CONFIG_MMU
/*
- * PAGE_OFFSET - the virtual address of the start of the kernel image
* TASK_SIZE - the maximum size of a user space task.
* TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area
*/
-#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET)
#define TASK_SIZE (UL(CONFIG_PAGE_OFFSET) - UL(SZ_16M))
#define TASK_UNMAPPED_BASE ALIGN(TASK_SIZE / 3, SZ_16M)
@@ -104,10 +105,6 @@
#define END_MEM (UL(CONFIG_DRAM_BASE) + CONFIG_DRAM_SIZE)
#endif
-#ifndef PAGE_OFFSET
-#define PAGE_OFFSET PLAT_PHYS_OFFSET
-#endif
-
/*
* The module can be at any place in ram in nommu mode.
*/
diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
index 58b8b84..2fe85ff 100644
--- a/arch/arm/include/asm/topology.h
+++ b/arch/arm/include/asm/topology.h
@@ -20,9 +20,6 @@ extern struct cputopo_arm cpu_topology[NR_CPUS];
#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
#define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
-#define mc_capable() (cpu_topology[0].socket_id != -1)
-#define smt_capable() (cpu_topology[0].thread_id != -1)
-
void init_cpu_topology(void);
void store_cpu_topology(unsigned int cpuid);
const struct cpumask *cpu_coregroup_mask(int cpu);
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index 47cd974..c96ecac 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -177,6 +177,18 @@ __lookup_processor_type_data:
.long __proc_info_end
.size __lookup_processor_type_data, . - __lookup_processor_type_data
+__error_lpae:
+#ifdef CONFIG_DEBUG_LL
+ adr r0, str_lpae
+ bl printascii
+ b __error
+str_lpae: .asciz "\nError: Kernel with LPAE support, but CPU does not support LPAE.\n"
+#else
+ b __error
+#endif
+ .align
+ENDPROC(__error_lpae)
+
__error_p:
#ifdef CONFIG_DEBUG_LL
adr r0, str_p1
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 914616e..f5f381d 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -102,7 +102,7 @@ ENTRY(stext)
and r3, r3, #0xf @ extract VMSA support
cmp r3, #5 @ long-descriptor translation table format?
THUMB( it lo ) @ force fixup-able long branch encoding
- blo __error_p @ only classic page table format
+ blo __error_lpae @ only classic page table format
#endif
#ifndef CONFIG_XIP_KERNEL
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 92f7b15..adabeab 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -30,7 +30,6 @@
#include <linux/uaccess.h>
#include <linux/random.h>
#include <linux/hw_breakpoint.h>
-#include <linux/cpuidle.h>
#include <linux/leds.h>
#include <linux/reboot.h>
@@ -133,7 +132,11 @@ EXPORT_SYMBOL_GPL(arm_pm_restart);
void (*arm_pm_idle)(void);
-static void default_idle(void)
+/*
+ * Called from the core idle loop.
+ */
+
+void arch_cpu_idle(void)
{
if (arm_pm_idle)
arm_pm_idle();
@@ -168,15 +171,6 @@ void arch_cpu_idle_dead(void)
#endif
/*
- * Called from the core idle loop.
- */
-void arch_cpu_idle(void)
-{
- if (cpuidle_idle_call())
- default_idle();
-}
-
-/*
* Called by kexec, immediately prior to machine_kexec().
*
* This must completely disable all secondary CPUs; simply causing those CPUs
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 1d8248e..bd18bb8 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -878,7 +878,8 @@ static int hyp_init_cpu_pm_notifier(struct notifier_block *self,
unsigned long cmd,
void *v)
{
- if (cmd == CPU_PM_EXIT) {
+ if (cmd == CPU_PM_EXIT &&
+ __hyp_get_vectors() == hyp_default_vectors) {
cpu_init_hyp_mode(NULL);
return NOTIFY_OK;
}
diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S
index ddc1553..0d68d40 100644
--- a/arch/arm/kvm/interrupts.S
+++ b/arch/arm/kvm/interrupts.S
@@ -220,6 +220,10 @@ after_vfp_restore:
* in Hyp mode (see init_hyp_mode in arch/arm/kvm/arm.c). Return values are
* passed in r0 and r1.
*
+ * A function pointer with a value of 0xffffffff has a special meaning,
+ * and is used to implement __hyp_get_vectors in the same way as in
+ * arch/arm/kernel/hyp_stub.S.
+ *
* The calling convention follows the standard AAPCS:
* r0 - r3: caller save
* r12: caller save
@@ -363,6 +367,11 @@ hyp_hvc:
host_switch_to_hyp:
pop {r0, r1, r2}
+ /* Check for __hyp_get_vectors */
+ cmp r0, #-1
+ mrceq p15, 4, r0, c12, c0, 0 @ get HVBAR
+ beq 1f
+
push {lr}
mrs lr, SPSR
push {lr}
@@ -378,7 +387,7 @@ THUMB( orr lr, #1)
pop {lr}
msr SPSR_csxf, lr
pop {lr}
- eret
+1: eret
guest_trap:
load_vcpu @ Load VCPU pointer to r0
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 2ab0043..85399c9 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -472,7 +472,7 @@ static struct clk_lookup da850_clks[] = {
CLK("spi_davinci.0", NULL, &spi0_clk),
CLK("spi_davinci.1", NULL, &spi1_clk),
CLK("vpif", NULL, &vpif_clk),
- CLK("ahci", NULL, &sata_clk),
+ CLK("ahci_da850", NULL, &sata_clk),
CLK("davinci-rproc.0", NULL, &dsp_clk),
CLK("ehrpwm", "fck", &ehrpwm_clk),
CLK("ehrpwm", "tbclk", &ehrpwm_tbclk),
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 0486cdf..56ea41d 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -1020,7 +1020,6 @@ int __init da8xx_register_spi_bus(int instance, unsigned num_chipselect)
}
#ifdef CONFIG_ARCH_DAVINCI_DA850
-
static struct resource da850_sata_resources[] = {
{
.start = DA850_SATA_BASE,
@@ -1028,103 +1027,22 @@ static struct resource da850_sata_resources[] = {
.flags = IORESOURCE_MEM,
},
{
+ .start = DA8XX_SYSCFG1_BASE + DA8XX_PWRDN_REG,
+ .end = DA8XX_SYSCFG1_BASE + DA8XX_PWRDN_REG + 0x3,
+ .flags = IORESOURCE_MEM,
+ },
+ {
.start = IRQ_DA850_SATAINT,
.flags = IORESOURCE_IRQ,
},
};
-/* SATA PHY Control Register offset from AHCI base */
-#define SATA_P0PHYCR_REG 0x178
-
-#define SATA_PHY_MPY(x) ((x) << 0)
-#define SATA_PHY_LOS(x) ((x) << 6)
-#define SATA_PHY_RXCDR(x) ((x) << 10)
-#define SATA_PHY_RXEQ(x) ((x) << 13)
-#define SATA_PHY_TXSWING(x) ((x) << 19)
-#define SATA_PHY_ENPLL(x) ((x) << 31)
-
-static struct clk *da850_sata_clk;
-static unsigned long da850_sata_refclkpn;
-
-/* Supported DA850 SATA crystal frequencies */
-#define KHZ_TO_HZ(freq) ((freq) * 1000)
-static unsigned long da850_sata_xtal[] = {
- KHZ_TO_HZ(300000),
- KHZ_TO_HZ(250000),
- 0, /* Reserved */
- KHZ_TO_HZ(187500),
- KHZ_TO_HZ(150000),
- KHZ_TO_HZ(125000),
- KHZ_TO_HZ(120000),
- KHZ_TO_HZ(100000),
- KHZ_TO_HZ(75000),
- KHZ_TO_HZ(60000),
-};
-
-static int da850_sata_init(struct device *dev, void __iomem *addr)
-{
- int i, ret;
- unsigned int val;
-
- da850_sata_clk = clk_get(dev, NULL);
- if (IS_ERR(da850_sata_clk))
- return PTR_ERR(da850_sata_clk);
-
- ret = clk_prepare_enable(da850_sata_clk);
- if (ret)
- goto err0;
-
- /* Enable SATA clock receiver */
- val = __raw_readl(DA8XX_SYSCFG1_VIRT(DA8XX_PWRDN_REG));
- val &= ~BIT(0);
- __raw_writel(val, DA8XX_SYSCFG1_VIRT(DA8XX_PWRDN_REG));
-
- /* Get the multiplier needed for 1.5GHz PLL output */
- for (i = 0; i < ARRAY_SIZE(da850_sata_xtal); i++)
- if (da850_sata_xtal[i] == da850_sata_refclkpn)
- break;
-
- if (i == ARRAY_SIZE(da850_sata_xtal)) {
- ret = -EINVAL;
- goto err1;
- }
-
- val = SATA_PHY_MPY(i + 1) |
- SATA_PHY_LOS(1) |
- SATA_PHY_RXCDR(4) |
- SATA_PHY_RXEQ(1) |
- SATA_PHY_TXSWING(3) |
- SATA_PHY_ENPLL(1);
-
- __raw_writel(val, addr + SATA_P0PHYCR_REG);
-
- return 0;
-
-err1:
- clk_disable_unprepare(da850_sata_clk);
-err0:
- clk_put(da850_sata_clk);
- return ret;
-}
-
-static void da850_sata_exit(struct device *dev)
-{
- clk_disable_unprepare(da850_sata_clk);
- clk_put(da850_sata_clk);
-}
-
-static struct ahci_platform_data da850_sata_pdata = {
- .init = da850_sata_init,
- .exit = da850_sata_exit,
-};
-
static u64 da850_sata_dmamask = DMA_BIT_MASK(32);
static struct platform_device da850_sata_device = {
- .name = "ahci",
+ .name = "ahci_da850",
.id = -1,
.dev = {
- .platform_data = &da850_sata_pdata,
.dma_mask = &da850_sata_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
@@ -1134,9 +1052,8 @@ static struct platform_device da850_sata_device = {
int __init da850_register_sata(unsigned long refclkpn)
{
- da850_sata_refclkpn = refclkpn;
- if (!da850_sata_refclkpn)
- return -EINVAL;
+ /* please see comment in drivers/ata/ahci_da850.c */
+ BUG_ON(refclkpn != 100 * 1000 * 1000);
return platform_device_register(&da850_sata_device);
}
diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c
index 7a9b985..29e3fe6 100644
--- a/arch/arm/mach-imx/pm-imx6q.c
+++ b/arch/arm/mach-imx/pm-imx6q.c
@@ -120,7 +120,7 @@ static void imx6q_enable_wb(bool enable)
int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
{
- struct irq_desc *iomuxc_irq_desc;
+ struct irq_data *iomuxc_irq_data = irq_get_irq_data(32);
u32 val = readl_relaxed(ccm_base + CLPCR);
val &= ~BM_CLPCR_LPM;
@@ -167,10 +167,9 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
* 3) Software should mask IRQ #32 right after CCM Low-Power mode
* is set (set bits 0-1 of CCM_CLPCR).
*/
- iomuxc_irq_desc = irq_to_desc(32);
- imx_gpc_irq_unmask(&iomuxc_irq_desc->irq_data);
+ imx_gpc_irq_unmask(iomuxc_irq_data);
writel_relaxed(val, ccm_base + CLPCR);
- imx_gpc_irq_mask(&iomuxc_irq_desc->irq_data);
+ imx_gpc_irq_mask(iomuxc_irq_data);
return 0;
}
diff --git a/arch/arm/mach-mmp/pm-mmp2.c b/arch/arm/mach-mmp/pm-mmp2.c
index 461a191..43b1a51 100644
--- a/arch/arm/mach-mmp/pm-mmp2.c
+++ b/arch/arm/mach-mmp/pm-mmp2.c
@@ -27,22 +27,8 @@
int mmp2_set_wake(struct irq_data *d, unsigned int on)
{
- int irq = d->irq;
- struct irq_desc *desc = irq_to_desc(irq);
unsigned long data = 0;
-
- if (unlikely(irq >= nr_irqs)) {
- pr_err("IRQ nubmers are out of boundary!\n");
- return -EINVAL;
- }
-
- if (on) {
- if (desc->action)
- desc->action->flags |= IRQF_NO_SUSPEND;
- } else {
- if (desc->action)
- desc->action->flags &= ~IRQF_NO_SUSPEND;
- }
+ int irq = d->irq;
/* enable wakeup sources */
switch (irq) {
diff --git a/arch/arm/mach-mmp/pm-pxa910.c b/arch/arm/mach-mmp/pm-pxa910.c
index 48981ca..04c9daf 100644
--- a/arch/arm/mach-mmp/pm-pxa910.c
+++ b/arch/arm/mach-mmp/pm-pxa910.c
@@ -27,22 +27,8 @@
int pxa910_set_wake(struct irq_data *data, unsigned int on)
{
- int irq = data->irq;
- struct irq_desc *desc = irq_to_desc(data->irq);
uint32_t awucrm = 0, apcr = 0;
-
- if (unlikely(irq >= nr_irqs)) {
- pr_err("IRQ nubmers are out of boundary!\n");
- return -EINVAL;
- }
-
- if (on) {
- if (desc->action)
- desc->action->flags |= IRQF_NO_SUSPEND;
- } else {
- if (desc->action)
- desc->action->flags &= ~IRQF_NO_SUSPEND;
- }
+ int irq = data->irq;
/* setting wakeup sources */
switch (irq) {
@@ -115,9 +101,11 @@ int pxa910_set_wake(struct irq_data *data, unsigned int on)
if (irq >= IRQ_GPIO_START && irq < IRQ_BOARD_START) {
awucrm = MPMU_AWUCRM_WAKEUP(2);
apcr |= MPMU_APCR_SLPWP2;
- } else
+ } else {
+ /* FIXME: This should return a proper error code ! */
printk(KERN_ERR "Error: no defined wake up source irq: %d\n",
irq);
+ }
}
if (on) {
diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c
index f12a12a..d1f1209 100644
--- a/arch/arm/mach-omap1/ams-delta-fiq.c
+++ b/arch/arm/mach-omap1/ams-delta-fiq.c
@@ -44,13 +44,10 @@ static unsigned int irq_counter[16];
static irqreturn_t deferred_fiq(int irq, void *dev_id)
{
- struct irq_desc *irq_desc;
- struct irq_chip *irq_chip = NULL;
int gpio, irq_num, fiq_count;
+ struct irq_chip *irq_chip;
- irq_desc = irq_to_desc(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK));
- if (irq_desc)
- irq_chip = irq_desc->irq_data.chip;
+ irq_chip = irq_get_chip(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK));
/*
* For each handled GPIO interrupt, keep calling its interrupt handler
diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c
index 3b05aea..11ed915 100644
--- a/arch/arm/mach-omap2/cclock3xxx_data.c
+++ b/arch/arm/mach-omap2/cclock3xxx_data.c
@@ -433,7 +433,9 @@ static const struct clk_ops dpll4_m5x2_ck_ops = {
.enable = &omap2_dflt_clk_enable,
.disable = &omap2_dflt_clk_disable,
.is_enabled = &omap2_dflt_clk_is_enabled,
+ .set_rate = &omap3_clkoutx2_set_rate,
.recalc_rate = &omap3_clkoutx2_recalc,
+ .round_rate = &omap3_clkoutx2_round_rate,
};
static const struct clk_ops dpll4_m5x2_ck_3630_ops = {
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index 4c158c8..01fc710 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -23,6 +23,8 @@
#include "prm.h"
#include "clockdomain.h"
+#define MAX_CPUS 2
+
/* Machine specific information */
struct idle_statedata {
u32 cpu_state;
@@ -48,11 +50,11 @@ static struct idle_statedata omap4_idle_data[] = {
},
};
-static struct powerdomain *mpu_pd, *cpu_pd[NR_CPUS];
-static struct clockdomain *cpu_clkdm[NR_CPUS];
+static struct powerdomain *mpu_pd, *cpu_pd[MAX_CPUS];
+static struct clockdomain *cpu_clkdm[MAX_CPUS];
static atomic_t abort_barrier;
-static bool cpu_done[NR_CPUS];
+static bool cpu_done[MAX_CPUS];
static struct idle_statedata *state_ptr = &omap4_idle_data[0];
/* Private functions */
diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
index 3185ced..3c418ea 100644
--- a/arch/arm/mach-omap2/dpll3xxx.c
+++ b/arch/arm/mach-omap2/dpll3xxx.c
@@ -623,6 +623,32 @@ void omap3_dpll_deny_idle(struct clk_hw_omap *clk)
/* Clock control for DPLL outputs */
+/* Find the parent DPLL for the given clkoutx2 clock */
+static struct clk_hw_omap *omap3_find_clkoutx2_dpll(struct clk_hw *hw)
+{
+ struct clk_hw_omap *pclk = NULL;
+ struct clk *parent;
+
+ /* Walk up the parents of clk, looking for a DPLL */
+ do {
+ do {
+ parent = __clk_get_parent(hw->clk);
+ hw = __clk_get_hw(parent);
+ } while (hw && (__clk_get_flags(hw->clk) & CLK_IS_BASIC));
+ if (!hw)
+ break;
+ pclk = to_clk_hw_omap(hw);
+ } while (pclk && !pclk->dpll_data);
+
+ /* clk does not have a DPLL as a parent? error in the clock data */
+ if (!pclk) {
+ WARN_ON(1);
+ return NULL;
+ }
+
+ return pclk;
+}
+
/**
* omap3_clkoutx2_recalc - recalculate DPLL X2 output virtual clock rate
* @clk: DPLL output struct clk
@@ -637,27 +663,14 @@ unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw,
unsigned long rate;
u32 v;
struct clk_hw_omap *pclk = NULL;
- struct clk *parent;
if (!parent_rate)
return 0;
- /* Walk up the parents of clk, looking for a DPLL */
- do {
- do {
- parent = __clk_get_parent(hw->clk);
- hw = __clk_get_hw(parent);
- } while (hw && (__clk_get_flags(hw->clk) & CLK_IS_BASIC));
- if (!hw)
- break;
- pclk = to_clk_hw_omap(hw);
- } while (pclk && !pclk->dpll_data);
+ pclk = omap3_find_clkoutx2_dpll(hw);
- /* clk does not have a DPLL as a parent? error in the clock data */
- if (!pclk) {
- WARN_ON(1);
+ if (!pclk)
return 0;
- }
dd = pclk->dpll_data;
@@ -672,6 +685,55 @@ unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw,
return rate;
}
+int omap3_clkoutx2_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ return 0;
+}
+
+long omap3_clkoutx2_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ const struct dpll_data *dd;
+ u32 v;
+ struct clk_hw_omap *pclk = NULL;
+
+ if (!*prate)
+ return 0;
+
+ pclk = omap3_find_clkoutx2_dpll(hw);
+
+ if (!pclk)
+ return 0;
+
+ dd = pclk->dpll_data;
+
+ /* TYPE J does not have a clkoutx2 */
+ if (dd->flags & DPLL_J_TYPE) {
+ *prate = __clk_round_rate(__clk_get_parent(pclk->hw.clk), rate);
+ return *prate;
+ }
+
+ WARN_ON(!dd->enable_mask);
+
+ v = omap2_clk_readl(pclk, dd->control_reg) & dd->enable_mask;
+ v >>= __ffs(dd->enable_mask);
+
+ /* If in bypass, the rate is fixed to the bypass rate*/
+ if (v != OMAP3XXX_EN_DPLL_LOCKED)
+ return *prate;
+
+ if (__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT) {
+ unsigned long best_parent;
+
+ best_parent = (rate / 2);
+ *prate = __clk_round_rate(__clk_get_parent(hw->clk),
+ best_parent);
+ }
+
+ return *prate * 2;
+}
+
/* OMAP3/4 non-CORE DPLL clkops */
const struct clk_hw_omap_ops clkhwops_omap3_dpll = {
.allow_idle = omap3_dpll_allow_idle,
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 42d8188..1f33f5d 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1947,29 +1947,31 @@ static int _ocp_softreset(struct omap_hwmod *oh)
goto dis_opt_clks;
_write_sysconfig(v, oh);
- ret = _clear_softreset(oh, &v);
- if (ret)
- goto dis_opt_clks;
-
- _write_sysconfig(v, oh);
if (oh->class->sysc->srst_udelay)
udelay(oh->class->sysc->srst_udelay);
c = _wait_softreset_complete(oh);
- if (c == MAX_MODULE_SOFTRESET_WAIT)
+ if (c == MAX_MODULE_SOFTRESET_WAIT) {
pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n",
oh->name, MAX_MODULE_SOFTRESET_WAIT);
- else
+ ret = -ETIMEDOUT;
+ goto dis_opt_clks;
+ } else {
pr_debug("omap_hwmod: %s: softreset in %d usec\n", oh->name, c);
+ }
+
+ ret = _clear_softreset(oh, &v);
+ if (ret)
+ goto dis_opt_clks;
+
+ _write_sysconfig(v, oh);
/*
* XXX add _HWMOD_STATE_WEDGED for modules that don't come back from
* _wait_target_ready() or _reset()
*/
- ret = (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : 0;
-
dis_opt_clks:
if (oh->flags & HWMOD_CONTROL_OPT_CLKS_IN_RESET)
_disable_optional_clocks(oh);
diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index 18f333c..810c205 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -1365,11 +1365,10 @@ static struct omap_hwmod_class_sysconfig dra7xx_spinlock_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x0010,
.syss_offs = 0x0014,
- .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
- SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
- SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
- .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
- SIDLE_SMART_WKUP),
+ .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_ENAWAKEUP |
+ SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
+ SYSS_HAS_RESET_STATUS),
+ .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 3d5b24d..c33e07e 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -22,6 +22,8 @@
#include "common-board-devices.h"
#include "dss-common.h"
#include "control.h"
+#include "omap-secure.h"
+#include "soc.h"
struct pdata_init {
const char *compatible;
@@ -169,6 +171,22 @@ static void __init am3517_evm_legacy_init(void)
omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
}
+
+static void __init nokia_n900_legacy_init(void)
+{
+ hsmmc2_internal_input_clk();
+
+ if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
+ if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
+ pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
+ /* set IBE to 1 */
+ rx51_secure_update_aux_cr(BIT(6), 0);
+ } else {
+ pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n");
+ pr_warning("Thumb binaries may crash randomly without this workaround\n");
+ }
+ }
+}
#endif /* CONFIG_ARCH_OMAP3 */
#ifdef CONFIG_ARCH_OMAP4
@@ -239,6 +257,7 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
#endif
#ifdef CONFIG_ARCH_OMAP3
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
+ OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
/* Only on am3517 */
OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
@@ -259,7 +278,7 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
static struct pdata_init pdata_quirks[] __initdata = {
#ifdef CONFIG_ARCH_OMAP3
{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
- { "nokia,omap3-n900", hsmmc2_internal_input_clk, },
+ { "nokia,omap3-n900", nokia_n900_legacy_init, },
{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
{ "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c
index 6334b96..280f3c5 100644
--- a/arch/arm/mach-omap2/prminst44xx.c
+++ b/arch/arm/mach-omap2/prminst44xx.c
@@ -183,11 +183,11 @@ void omap4_prminst_global_warm_sw_reset(void)
OMAP4_PRM_RSTCTRL_OFFSET);
v |= OMAP4430_RST_GLOBAL_WARM_SW_MASK;
omap4_prminst_write_inst_reg(v, OMAP4430_PRM_PARTITION,
- OMAP4430_PRM_DEVICE_INST,
+ dev_inst,
OMAP4_PRM_RSTCTRL_OFFSET);
/* OCP barrier */
v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
- OMAP4430_PRM_DEVICE_INST,
+ dev_inst,
OMAP4_PRM_RSTCTRL_OFFSET);
}
diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h
index f33679d..50e1d85 100644
--- a/arch/arm/mach-sa1100/include/mach/collie.h
+++ b/arch/arm/mach-sa1100/include/mach/collie.h
@@ -13,6 +13,8 @@
#ifndef __ASM_ARCH_COLLIE_H
#define __ASM_ARCH_COLLIE_H
+#include "hardware.h" /* Gives GPIO_MAX */
+
extern void locomolcd_power(int on);
#define COLLIE_SCOOP_GPIO_BASE (GPIO_MAX + 1)
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 05fa505..f6db7dc 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -24,17 +24,21 @@ comment "Renesas ARM SoCs System Type"
config ARCH_EMEV2
bool "Emma Mobile EV2"
+ select SYS_SUPPORTS_EM_STI
config ARCH_R7S72100
bool "RZ/A1H (R7S72100)"
+ select SYS_SUPPORTS_SH_MTU2
config ARCH_R8A7790
bool "R-Car H2 (R8A77900)"
select RENESAS_IRQC
+ select SYS_SUPPORTS_SH_CMT
config ARCH_R8A7791
bool "R-Car M2 (R8A77910)"
select RENESAS_IRQC
+ select SYS_SUPPORTS_SH_CMT
comment "Renesas ARM SoCs Board Type"
@@ -68,6 +72,8 @@ config ARCH_SH7372
select ARM_CPU_SUSPEND if PM || CPU_IDLE
select CPU_V7
select SH_CLK_CPG
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_TMU
config ARCH_SH73A0
bool "SH-Mobile AG5 (R8A73A00)"
@@ -77,6 +83,8 @@ config ARCH_SH73A0
select I2C
select SH_CLK_CPG
select RENESAS_INTC_IRQPIN
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_TMU
config ARCH_R8A73A4
bool "R-Mobile APE6 (R8A73A40)"
@@ -87,6 +95,8 @@ config ARCH_R8A73A4
select RENESAS_IRQC
select ARCH_HAS_CPUFREQ
select ARCH_HAS_OPP
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_TMU
config ARCH_R8A7740
bool "R-Mobile A1 (R8A77400)"
@@ -95,6 +105,8 @@ config ARCH_R8A7740
select CPU_V7
select SH_CLK_CPG
select RENESAS_INTC_IRQPIN
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_TMU
config ARCH_R8A7778
bool "R-Car M1A (R8A77781)"
@@ -104,6 +116,7 @@ config ARCH_R8A7778
select ARM_GIC
select USB_ARCH_HAS_EHCI
select USB_ARCH_HAS_OHCI
+ select SYS_SUPPORTS_SH_TMU
config ARCH_R8A7779
bool "R-Car H1 (R8A77790)"
@@ -114,6 +127,7 @@ config ARCH_R8A7779
select USB_ARCH_HAS_EHCI
select USB_ARCH_HAS_OHCI
select RENESAS_INTC_IRQPIN
+ select SYS_SUPPORTS_SH_TMU
config ARCH_R8A7790
bool "R-Car H2 (R8A77900)"
@@ -123,6 +137,7 @@ config ARCH_R8A7790
select MIGHT_HAVE_PCI
select SH_CLK_CPG
select RENESAS_IRQC
+ select SYS_SUPPORTS_SH_CMT
config ARCH_R8A7791
bool "R-Car M2 (R8A77910)"
@@ -132,6 +147,7 @@ config ARCH_R8A7791
select MIGHT_HAVE_PCI
select SH_CLK_CPG
select RENESAS_IRQC
+ select SYS_SUPPORTS_SH_CMT
config ARCH_EMEV2
bool "Emma Mobile EV2"
@@ -141,6 +157,7 @@ config ARCH_EMEV2
select MIGHT_HAVE_PCI
select USE_OF
select AUTO_ZRELADDR
+ select SYS_SUPPORTS_EM_STI
config ARCH_R7S72100
bool "RZ/A1H (R7S72100)"
@@ -148,6 +165,7 @@ config ARCH_R7S72100
select ARM_GIC
select CPU_V7
select SH_CLK_CPG
+ select SYS_SUPPORTS_SH_MTU2
comment "Renesas ARM SoCs Board Type"
@@ -321,24 +339,6 @@ config SHMOBILE_TIMER_HZ
want to select a HZ value such as 128 that can evenly divide RCLK.
A HZ value that does not divide evenly may cause timer drift.
-config SH_TIMER_CMT
- bool "CMT timer driver"
- default y
- help
- This enables build of the CMT timer driver.
-
-config SH_TIMER_TMU
- bool "TMU timer driver"
- default y
- help
- This enables build of the TMU timer driver.
-
-config EM_TIMER_STI
- bool "STI timer driver"
- default y
- help
- This enables build of the STI timer driver.
-
endmenu
endif
diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile
index 0f362b6..3ec74ac 100644
--- a/arch/arm/mach-u300/Makefile
+++ b/arch/arm/mach-u300/Makefile
@@ -2,7 +2,7 @@
# Makefile for the linux kernel, U300 machine.
#
-obj-y := core.o timer.o
+obj-y := core.o
obj-m :=
obj-n :=
obj- :=
diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c
deleted file mode 100644
index fe08fd3..0000000
--- a/arch/arm/mach-u300/timer.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/*
- *
- * arch/arm/mach-u300/timer.c
- *
- *
- * Copyright (C) 2007-2009 ST-Ericsson AB
- * License terms: GNU General Public License (GPL) version 2
- * Timer COH 901 328, runs the OS timer interrupt.
- * Author: Linus Walleij <linus.walleij@stericsson.com>
- */
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/timex.h>
-#include <linux/clockchips.h>
-#include <linux/clocksource.h>
-#include <linux/types.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/irq.h>
-#include <linux/delay.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/sched_clock.h>
-
-/* Generic stuff */
-#include <asm/mach/map.h>
-#include <asm/mach/time.h>
-
-/*
- * APP side special timer registers
- * This timer contains four timers which can fire an interrupt each.
- * OS (operating system) timer @ 32768 Hz
- * DD (device driver) timer @ 1 kHz
- * GP1 (general purpose 1) timer @ 1MHz
- * GP2 (general purpose 2) timer @ 1MHz
- */
-
-/* Reset OS Timer 32bit (-/W) */
-#define U300_TIMER_APP_ROST (0x0000)
-#define U300_TIMER_APP_ROST_TIMER_RESET (0x00000000)
-/* Enable OS Timer 32bit (-/W) */
-#define U300_TIMER_APP_EOST (0x0004)
-#define U300_TIMER_APP_EOST_TIMER_ENABLE (0x00000000)
-/* Disable OS Timer 32bit (-/W) */
-#define U300_TIMER_APP_DOST (0x0008)
-#define U300_TIMER_APP_DOST_TIMER_DISABLE (0x00000000)
-/* OS Timer Mode Register 32bit (-/W) */
-#define U300_TIMER_APP_SOSTM (0x000c)
-#define U300_TIMER_APP_SOSTM_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_SOSTM_MODE_ONE_SHOT (0x00000001)
-/* OS Timer Status Register 32bit (R/-) */
-#define U300_TIMER_APP_OSTS (0x0010)
-#define U300_TIMER_APP_OSTS_TIMER_STATE_MASK (0x0000000F)
-#define U300_TIMER_APP_OSTS_TIMER_STATE_IDLE (0x00000001)
-#define U300_TIMER_APP_OSTS_TIMER_STATE_ACTIVE (0x00000002)
-#define U300_TIMER_APP_OSTS_ENABLE_IND (0x00000010)
-#define U300_TIMER_APP_OSTS_MODE_MASK (0x00000020)
-#define U300_TIMER_APP_OSTS_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_OSTS_MODE_ONE_SHOT (0x00000020)
-#define U300_TIMER_APP_OSTS_IRQ_ENABLED_IND (0x00000040)
-#define U300_TIMER_APP_OSTS_IRQ_PENDING_IND (0x00000080)
-/* OS Timer Current Count Register 32bit (R/-) */
-#define U300_TIMER_APP_OSTCC (0x0014)
-/* OS Timer Terminal Count Register 32bit (R/W) */
-#define U300_TIMER_APP_OSTTC (0x0018)
-/* OS Timer Interrupt Enable Register 32bit (-/W) */
-#define U300_TIMER_APP_OSTIE (0x001c)
-#define U300_TIMER_APP_OSTIE_IRQ_DISABLE (0x00000000)
-#define U300_TIMER_APP_OSTIE_IRQ_ENABLE (0x00000001)
-/* OS Timer Interrupt Acknowledge Register 32bit (-/W) */
-#define U300_TIMER_APP_OSTIA (0x0020)
-#define U300_TIMER_APP_OSTIA_IRQ_ACK (0x00000080)
-
-/* Reset DD Timer 32bit (-/W) */
-#define U300_TIMER_APP_RDDT (0x0040)
-#define U300_TIMER_APP_RDDT_TIMER_RESET (0x00000000)
-/* Enable DD Timer 32bit (-/W) */
-#define U300_TIMER_APP_EDDT (0x0044)
-#define U300_TIMER_APP_EDDT_TIMER_ENABLE (0x00000000)
-/* Disable DD Timer 32bit (-/W) */
-#define U300_TIMER_APP_DDDT (0x0048)
-#define U300_TIMER_APP_DDDT_TIMER_DISABLE (0x00000000)
-/* DD Timer Mode Register 32bit (-/W) */
-#define U300_TIMER_APP_SDDTM (0x004c)
-#define U300_TIMER_APP_SDDTM_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_SDDTM_MODE_ONE_SHOT (0x00000001)
-/* DD Timer Status Register 32bit (R/-) */
-#define U300_TIMER_APP_DDTS (0x0050)
-#define U300_TIMER_APP_DDTS_TIMER_STATE_MASK (0x0000000F)
-#define U300_TIMER_APP_DDTS_TIMER_STATE_IDLE (0x00000001)
-#define U300_TIMER_APP_DDTS_TIMER_STATE_ACTIVE (0x00000002)
-#define U300_TIMER_APP_DDTS_ENABLE_IND (0x00000010)
-#define U300_TIMER_APP_DDTS_MODE_MASK (0x00000020)
-#define U300_TIMER_APP_DDTS_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_DDTS_MODE_ONE_SHOT (0x00000020)
-#define U300_TIMER_APP_DDTS_IRQ_ENABLED_IND (0x00000040)
-#define U300_TIMER_APP_DDTS_IRQ_PENDING_IND (0x00000080)
-/* DD Timer Current Count Register 32bit (R/-) */
-#define U300_TIMER_APP_DDTCC (0x0054)
-/* DD Timer Terminal Count Register 32bit (R/W) */
-#define U300_TIMER_APP_DDTTC (0x0058)
-/* DD Timer Interrupt Enable Register 32bit (-/W) */
-#define U300_TIMER_APP_DDTIE (0x005c)
-#define U300_TIMER_APP_DDTIE_IRQ_DISABLE (0x00000000)
-#define U300_TIMER_APP_DDTIE_IRQ_ENABLE (0x00000001)
-/* DD Timer Interrupt Acknowledge Register 32bit (-/W) */
-#define U300_TIMER_APP_DDTIA (0x0060)
-#define U300_TIMER_APP_DDTIA_IRQ_ACK (0x00000080)
-
-/* Reset GP1 Timer 32bit (-/W) */
-#define U300_TIMER_APP_RGPT1 (0x0080)
-#define U300_TIMER_APP_RGPT1_TIMER_RESET (0x00000000)
-/* Enable GP1 Timer 32bit (-/W) */
-#define U300_TIMER_APP_EGPT1 (0x0084)
-#define U300_TIMER_APP_EGPT1_TIMER_ENABLE (0x00000000)
-/* Disable GP1 Timer 32bit (-/W) */
-#define U300_TIMER_APP_DGPT1 (0x0088)
-#define U300_TIMER_APP_DGPT1_TIMER_DISABLE (0x00000000)
-/* GP1 Timer Mode Register 32bit (-/W) */
-#define U300_TIMER_APP_SGPT1M (0x008c)
-#define U300_TIMER_APP_SGPT1M_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT (0x00000001)
-/* GP1 Timer Status Register 32bit (R/-) */
-#define U300_TIMER_APP_GPT1S (0x0090)
-#define U300_TIMER_APP_GPT1S_TIMER_STATE_MASK (0x0000000F)
-#define U300_TIMER_APP_GPT1S_TIMER_STATE_IDLE (0x00000001)
-#define U300_TIMER_APP_GPT1S_TIMER_STATE_ACTIVE (0x00000002)
-#define U300_TIMER_APP_GPT1S_ENABLE_IND (0x00000010)
-#define U300_TIMER_APP_GPT1S_MODE_MASK (0x00000020)
-#define U300_TIMER_APP_GPT1S_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_GPT1S_MODE_ONE_SHOT (0x00000020)
-#define U300_TIMER_APP_GPT1S_IRQ_ENABLED_IND (0x00000040)
-#define U300_TIMER_APP_GPT1S_IRQ_PENDING_IND (0x00000080)
-/* GP1 Timer Current Count Register 32bit (R/-) */
-#define U300_TIMER_APP_GPT1CC (0x0094)
-/* GP1 Timer Terminal Count Register 32bit (R/W) */
-#define U300_TIMER_APP_GPT1TC (0x0098)
-/* GP1 Timer Interrupt Enable Register 32bit (-/W) */
-#define U300_TIMER_APP_GPT1IE (0x009c)
-#define U300_TIMER_APP_GPT1IE_IRQ_DISABLE (0x00000000)
-#define U300_TIMER_APP_GPT1IE_IRQ_ENABLE (0x00000001)
-/* GP1 Timer Interrupt Acknowledge Register 32bit (-/W) */
-#define U300_TIMER_APP_GPT1IA (0x00a0)
-#define U300_TIMER_APP_GPT1IA_IRQ_ACK (0x00000080)
-
-/* Reset GP2 Timer 32bit (-/W) */
-#define U300_TIMER_APP_RGPT2 (0x00c0)
-#define U300_TIMER_APP_RGPT2_TIMER_RESET (0x00000000)
-/* Enable GP2 Timer 32bit (-/W) */
-#define U300_TIMER_APP_EGPT2 (0x00c4)
-#define U300_TIMER_APP_EGPT2_TIMER_ENABLE (0x00000000)
-/* Disable GP2 Timer 32bit (-/W) */
-#define U300_TIMER_APP_DGPT2 (0x00c8)
-#define U300_TIMER_APP_DGPT2_TIMER_DISABLE (0x00000000)
-/* GP2 Timer Mode Register 32bit (-/W) */
-#define U300_TIMER_APP_SGPT2M (0x00cc)
-#define U300_TIMER_APP_SGPT2M_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_SGPT2M_MODE_ONE_SHOT (0x00000001)
-/* GP2 Timer Status Register 32bit (R/-) */
-#define U300_TIMER_APP_GPT2S (0x00d0)
-#define U300_TIMER_APP_GPT2S_TIMER_STATE_MASK (0x0000000F)
-#define U300_TIMER_APP_GPT2S_TIMER_STATE_IDLE (0x00000001)
-#define U300_TIMER_APP_GPT2S_TIMER_STATE_ACTIVE (0x00000002)
-#define U300_TIMER_APP_GPT2S_ENABLE_IND (0x00000010)
-#define U300_TIMER_APP_GPT2S_MODE_MASK (0x00000020)
-#define U300_TIMER_APP_GPT2S_MODE_CONTINUOUS (0x00000000)
-#define U300_TIMER_APP_GPT2S_MODE_ONE_SHOT (0x00000020)
-#define U300_TIMER_APP_GPT2S_IRQ_ENABLED_IND (0x00000040)
-#define U300_TIMER_APP_GPT2S_IRQ_PENDING_IND (0x00000080)
-/* GP2 Timer Current Count Register 32bit (R/-) */
-#define U300_TIMER_APP_GPT2CC (0x00d4)
-/* GP2 Timer Terminal Count Register 32bit (R/W) */
-#define U300_TIMER_APP_GPT2TC (0x00d8)
-/* GP2 Timer Interrupt Enable Register 32bit (-/W) */
-#define U300_TIMER_APP_GPT2IE (0x00dc)
-#define U300_TIMER_APP_GPT2IE_IRQ_DISABLE (0x00000000)
-#define U300_TIMER_APP_GPT2IE_IRQ_ENABLE (0x00000001)
-/* GP2 Timer Interrupt Acknowledge Register 32bit (-/W) */
-#define U300_TIMER_APP_GPT2IA (0x00e0)
-#define U300_TIMER_APP_GPT2IA_IRQ_ACK (0x00000080)
-
-/* Clock request control register - all four timers */
-#define U300_TIMER_APP_CRC (0x100)
-#define U300_TIMER_APP_CRC_CLOCK_REQUEST_ENABLE (0x00000001)
-
-static void __iomem *u300_timer_base;
-
-struct u300_clockevent_data {
- struct clock_event_device cevd;
- unsigned ticks_per_jiffy;
-};
-
-/*
- * The u300_set_mode() function is always called first, if we
- * have oneshot timer active, the oneshot scheduling function
- * u300_set_next_event() is called immediately after.
- */
-static void u300_set_mode(enum clock_event_mode mode,
- struct clock_event_device *evt)
-{
- struct u300_clockevent_data *cevdata =
- container_of(evt, struct u300_clockevent_data, cevd);
-
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- /* Disable interrupts on GPT1 */
- writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
- u300_timer_base + U300_TIMER_APP_GPT1IE);
- /* Disable GP1 while we're reprogramming it. */
- writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
- u300_timer_base + U300_TIMER_APP_DGPT1);
- /*
- * Set the periodic mode to a certain number of ticks per
- * jiffy.
- */
- writel(cevdata->ticks_per_jiffy,
- u300_timer_base + U300_TIMER_APP_GPT1TC);
- /*
- * Set continuous mode, so the timer keeps triggering
- * interrupts.
- */
- writel(U300_TIMER_APP_SGPT1M_MODE_CONTINUOUS,
- u300_timer_base + U300_TIMER_APP_SGPT1M);
- /* Enable timer interrupts */
- writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
- u300_timer_base + U300_TIMER_APP_GPT1IE);
- /* Then enable the OS timer again */
- writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
- u300_timer_base + U300_TIMER_APP_EGPT1);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- /* Just break; here? */
- /*
- * The actual event will be programmed by the next event hook,
- * so we just set a dummy value somewhere at the end of the
- * universe here.
- */
- /* Disable interrupts on GPT1 */
- writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
- u300_timer_base + U300_TIMER_APP_GPT1IE);
- /* Disable GP1 while we're reprogramming it. */
- writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
- u300_timer_base + U300_TIMER_APP_DGPT1);
- /*
- * Expire far in the future, u300_set_next_event() will be
- * called soon...
- */
- writel(0xFFFFFFFF, u300_timer_base + U300_TIMER_APP_GPT1TC);
- /* We run one shot per tick here! */
- writel(U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT,
- u300_timer_base + U300_TIMER_APP_SGPT1M);
- /* Enable interrupts for this timer */
- writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
- u300_timer_base + U300_TIMER_APP_GPT1IE);
- /* Enable timer */
- writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
- u300_timer_base + U300_TIMER_APP_EGPT1);
- break;
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_SHUTDOWN:
- /* Disable interrupts on GP1 */
- writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
- u300_timer_base + U300_TIMER_APP_GPT1IE);
- /* Disable GP1 */
- writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
- u300_timer_base + U300_TIMER_APP_DGPT1);
- break;
- case CLOCK_EVT_MODE_RESUME:
- /* Ignore this call */
- break;
- }
-}
-
-/*
- * The app timer in one shot mode obviously has to be reprogrammed
- * in EXACTLY this sequence to work properly. Do NOT try to e.g. replace
- * the interrupt disable + timer disable commands with a reset command,
- * it will fail miserably. Apparently (and I found this the hard way)
- * the timer is very sensitive to the instruction order, though you don't
- * get that impression from the data sheet.
- */
-static int u300_set_next_event(unsigned long cycles,
- struct clock_event_device *evt)
-
-{
- /* Disable interrupts on GPT1 */
- writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
- u300_timer_base + U300_TIMER_APP_GPT1IE);
- /* Disable GP1 while we're reprogramming it. */
- writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
- u300_timer_base + U300_TIMER_APP_DGPT1);
- /* Reset the General Purpose timer 1. */
- writel(U300_TIMER_APP_RGPT1_TIMER_RESET,
- u300_timer_base + U300_TIMER_APP_RGPT1);
- /* IRQ in n * cycles */
- writel(cycles, u300_timer_base + U300_TIMER_APP_GPT1TC);
- /*
- * We run one shot per tick here! (This is necessary to reconfigure,
- * the timer will tilt if you don't!)
- */
- writel(U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT,
- u300_timer_base + U300_TIMER_APP_SGPT1M);
- /* Enable timer interrupts */
- writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
- u300_timer_base + U300_TIMER_APP_GPT1IE);
- /* Then enable the OS timer again */
- writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
- u300_timer_base + U300_TIMER_APP_EGPT1);
- return 0;
-}
-
-static struct u300_clockevent_data u300_clockevent_data = {
- /* Use general purpose timer 1 as clock event */
- .cevd = {
- .name = "GPT1",
- /* Reasonably fast and accurate clock event */
- .rating = 300,
- .features = CLOCK_EVT_FEAT_PERIODIC |
- CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = u300_set_next_event,
- .set_mode = u300_set_mode,
- },
-};
-
-/* Clock event timer interrupt handler */
-static irqreturn_t u300_timer_interrupt(int irq, void *dev_id)
-{
- struct clock_event_device *evt = &u300_clockevent_data.cevd;
- /* ACK/Clear timer IRQ for the APP GPT1 Timer */
-
- writel(U300_TIMER_APP_GPT1IA_IRQ_ACK,
- u300_timer_base + U300_TIMER_APP_GPT1IA);
- evt->event_handler(evt);
- return IRQ_HANDLED;
-}
-
-static struct irqaction u300_timer_irq = {
- .name = "U300 Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = u300_timer_interrupt,
-};
-
-/*
- * Override the global weak sched_clock symbol with this
- * local implementation which uses the clocksource to get some
- * better resolution when scheduling the kernel. We accept that
- * this wraps around for now, since it is just a relative time
- * stamp. (Inspired by OMAP implementation.)
- */
-
-static u64 notrace u300_read_sched_clock(void)
-{
- return readl(u300_timer_base + U300_TIMER_APP_GPT2CC);
-}
-
-static unsigned long u300_read_current_timer(void)
-{
- return readl(u300_timer_base + U300_TIMER_APP_GPT2CC);
-}
-
-static struct delay_timer u300_delay_timer;
-
-/*
- * This sets up the system timers, clock source and clock event.
- */
-static void __init u300_timer_init_of(struct device_node *np)
-{
- unsigned int irq;
- struct clk *clk;
- unsigned long rate;
-
- u300_timer_base = of_iomap(np, 0);
- if (!u300_timer_base)
- panic("could not ioremap system timer\n");
-
- /* Get the IRQ for the GP1 timer */
- irq = irq_of_parse_and_map(np, 2);
- if (!irq)
- panic("no IRQ for system timer\n");
-
- pr_info("U300 GP1 timer @ base: %p, IRQ: %u\n", u300_timer_base, irq);
-
- /* Clock the interrupt controller */
- clk = of_clk_get(np, 0);
- BUG_ON(IS_ERR(clk));
- clk_prepare_enable(clk);
- rate = clk_get_rate(clk);
-
- u300_clockevent_data.ticks_per_jiffy = DIV_ROUND_CLOSEST(rate, HZ);
-
- sched_clock_register(u300_read_sched_clock, 32, rate);
-
- u300_delay_timer.read_current_timer = &u300_read_current_timer;
- u300_delay_timer.freq = rate;
- register_current_timer_delay(&u300_delay_timer);
-
- /*
- * Disable the "OS" and "DD" timers - these are designed for Symbian!
- * Example usage in cnh1601578 cpu subsystem pd_timer_app.c
- */
- writel(U300_TIMER_APP_CRC_CLOCK_REQUEST_ENABLE,
- u300_timer_base + U300_TIMER_APP_CRC);
- writel(U300_TIMER_APP_ROST_TIMER_RESET,
- u300_timer_base + U300_TIMER_APP_ROST);
- writel(U300_TIMER_APP_DOST_TIMER_DISABLE,
- u300_timer_base + U300_TIMER_APP_DOST);
- writel(U300_TIMER_APP_RDDT_TIMER_RESET,
- u300_timer_base + U300_TIMER_APP_RDDT);
- writel(U300_TIMER_APP_DDDT_TIMER_DISABLE,
- u300_timer_base + U300_TIMER_APP_DDDT);
-
- /* Reset the General Purpose timer 1. */
- writel(U300_TIMER_APP_RGPT1_TIMER_RESET,
- u300_timer_base + U300_TIMER_APP_RGPT1);
-
- /* Set up the IRQ handler */
- setup_irq(irq, &u300_timer_irq);
-
- /* Reset the General Purpose timer 2 */
- writel(U300_TIMER_APP_RGPT2_TIMER_RESET,
- u300_timer_base + U300_TIMER_APP_RGPT2);
- /* Set this timer to run around forever */
- writel(0xFFFFFFFFU, u300_timer_base + U300_TIMER_APP_GPT2TC);
- /* Set continuous mode so it wraps around */
- writel(U300_TIMER_APP_SGPT2M_MODE_CONTINUOUS,
- u300_timer_base + U300_TIMER_APP_SGPT2M);
- /* Disable timer interrupts */
- writel(U300_TIMER_APP_GPT2IE_IRQ_DISABLE,
- u300_timer_base + U300_TIMER_APP_GPT2IE);
- /* Then enable the GP2 timer to use as a free running us counter */
- writel(U300_TIMER_APP_EGPT2_TIMER_ENABLE,
- u300_timer_base + U300_TIMER_APP_EGPT2);
-
- /* Use general purpose timer 2 as clock source */
- if (clocksource_mmio_init(u300_timer_base + U300_TIMER_APP_GPT2CC,
- "GPT2", rate, 300, 32, clocksource_mmio_readl_up))
- pr_err("timer: failed to initialize U300 clock source\n");
-
- /* Configure and register the clockevent */
- clockevents_config_and_register(&u300_clockevent_data.cevd, rate,
- 1, 0xffffffff);
-
- /*
- * TODO: init and register the rest of the timers too, they can be
- * used by hrtimers!
- */
-}
-
-CLOCKSOURCE_OF_DECLARE(u300_timer, "stericsson,u300-apptimer",
- u300_timer_init_of);
diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index 6b04260..f03e75b 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -2,6 +2,8 @@ config ARCH_ZYNQ
bool "Xilinx Zynq ARM Cortex A9 Platform" if ARCH_MULTI_V7
select ARM_AMBA
select ARM_GIC
+ select ARCH_HAS_CPUFREQ
+ select ARCH_HAS_OPP
select COMMON_CLK
select CPU_V7
select GENERIC_CLOCKEVENTS
@@ -13,6 +15,6 @@ config ARCH_ZYNQ
select HAVE_SMP
select SPARSE_IRQ
select CADENCE_TTC_TIMER
- select ARM_GLOBAL_TIMER
+ select ARM_GLOBAL_TIMER if !CPU_FREQ
help
Support for Xilinx Zynq ARM Cortex A9 Platform
diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
index 8c09a83..a39be8e 100644
--- a/arch/arm/mach-zynq/common.c
+++ b/arch/arm/mach-zynq/common.c
@@ -64,6 +64,8 @@ static struct platform_device zynq_cpuidle_device = {
*/
static void __init zynq_init_machine(void)
{
+ struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+
/*
* 64KB way size, 8-way associativity, parity disabled
*/
@@ -72,6 +74,7 @@ static void __init zynq_init_machine(void)
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
platform_device_register(&zynq_cpuidle_device);
+ platform_device_register_full(&devinfo);
}
static void __init zynq_timer_init(void)
diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c
index 2b3a564..ef69152 100644
--- a/arch/arm/mm/dump.c
+++ b/arch/arm/mm/dump.c
@@ -264,6 +264,9 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
note_page(st, addr, 3, pmd_val(*pmd));
else
walk_pte(st, pmd, addr);
+
+ if (SECTION_SIZE < PMD_SIZE && pmd_large(pmd[1]))
+ note_page(st, addr + SECTION_SIZE, 3, pmd_val(pmd[1]));
}
}
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