- Dt-bindings doc about C-SKY apb bus interrupt controller.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../interrupt-controller/csky,apb-intc.txt | 62 ++
1 file changed, 62 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt
back
- add INTC_IFR to clear irq-pending
- remove CSKY_VECIRQ_LEGENCY
- change to generic irq chip framework
- add License and Copyright
- use irq_domain_add_linear instead of leagcy
Signed-off-by: Guo Ren
Cc: Mark Rutland
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makef
Dt-bindings doc about C-SKY Multi-processors interrupt controller.
Changelog:
- Should be: '#interrupt-cells' not 'interrupt-cells'
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/interrupt-controller/csky,mpintc.txt | 40 ++
1 file changed, 40
back
- add INTC_IFR to clear irq-pending
- remove CSKY_VECIRQ_LEGENCY
- change to generic irq chip framework
- add License and Copyright
- use irq_domain_add_linear instead of leagcy
Signed-off-by: Guo Ren
Cc: Mark Rutland
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makef
Dt-bindings doc about C-SKY Multi-processors interrupt controller.
Changelog:
- Should be: '#interrupt-cells' not 'interrupt-cells'
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/interrupt-controller/csky,mpintc.txt | 40 ++
1 file changed, 40
, and also modify the related
codes in csky kernel patchset.
- Add COMPILE_TEST for csky_mp_timer.
- Fixup smp boot error, cpuhp_setup_state must after timer_of_init()
for csky_mp_timer.
Any feedback is welcome, thx for all people review my patchset.
Guo Ren (8):
irqchip: add C-SKY SMP
, and also modify the related
codes in csky kernel patchset.
- Add COMPILE_TEST for csky_mp_timer.
- Fixup smp boot error, cpuhp_setup_state must after timer_of_init()
for csky_mp_timer.
Any feedback is welcome, thx for all people review my patchset.
Guo Ren (8):
irqchip: add C-SKY SMP
-off-by: Guo Ren
Cc: Marc Zyngier
---
drivers/irqchip/Kconfig | 9 ++
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-csky-mpintc.c | 198 ++
3 files changed, 208 insertions(+)
create mode 100644 drivers/irqchip/irq-csky-mpintc.c
-off-by: Guo Ren
Cc: Marc Zyngier
---
drivers/irqchip/Kconfig | 9 ++
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-csky-mpintc.c | 198 ++
3 files changed, 208 insertions(+)
create mode 100644 drivers/irqchip/irq-csky-mpintc.c
This patch adds the documentation to describe that how to add cpu nodes in
dts for SMP.
Signed-off-by: Guo Ren
Cc: Rob Herring
---
Documentation/devicetree/bindings/csky/cpus.txt | 70 +
1 file changed, 70 insertions(+)
create mode 100644 Documentation/devicetree
ow abiv2 gcc ABI for dword access.
abiv1 couldn't support __get_user_dword now.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/uaccess.h | 140
1 file changed, 56 insertions(+), 84 deletions(-)
diff --git a/arch/csky/include/asm/uaccess.h b/arch/csky/i
ow abiv2 gcc ABI for dword access.
abiv1 couldn't support __get_user_dword now.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/uaccess.h | 140
1 file changed, 56 insertions(+), 84 deletions(-)
diff --git a/arch/csky/include/asm/uaccess.h b/arch/csky/i
This patch adds the documentation to describe that how to add cpu nodes in
dts for SMP.
Signed-off-by: Guo Ren
Cc: Rob Herring
---
Documentation/devicetree/bindings/csky/cpus.txt | 70 +
1 file changed, 70 insertions(+)
create mode 100644 Documentation/devicetree
Add a maintainer information for the csky(C-SKY) architecture.
Signed-off-by: Guo Ren
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index d870cb5..9dac20e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3211,6 +3211,15 @@ T: git git
Add csky vendor definition.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
b/Documentation/devicetree/bindings/vendor
Add csky vendor definition.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
b/Documentation/devicetree/bindings/vendor
Add a maintainer information for the csky(C-SKY) architecture.
Signed-off-by: Guo Ren
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index d870cb5..9dac20e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3211,6 +3211,15 @@ T: git git
This patch adds csky register definition, byteorder, asm-offsets codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/reg_ops.h | 27 +++
arch/csky/abiv1/inc/abi/regdef.h | 26 ++
arch/csky/abiv2/inc/abi/reg_ops.h | 17 +++
arch/csky/abiv2/inc/abi
This patch adds csky register definition, byteorder, asm-offsets codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/reg_ops.h | 27 +++
arch/csky/abiv1/inc/abi/regdef.h | 26 ++
arch/csky/abiv2/inc/abi/reg_ops.h | 17 +++
arch/csky/abiv2/inc/abi
This patch adds arch ptrace implementation, stack dump and bug.h.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/bug.h | 26 +++
arch/csky/include/uapi/asm/ptrace.h | 104
arch/csky/kernel/dumpstack.c| 66
arch/csky/kernel/ptrace.c | 314
This patch adds arch ptrace implementation, stack dump and bug.h.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/bug.h | 26 +++
arch/csky/include/uapi/asm/ptrace.h | 104
arch/csky/kernel/dumpstack.c| 66
arch/csky/kernel/ptrace.c | 314
ly use IPI_IRQ. The modification also involves csky_mp_intc.
Signed-off-by: Guo Ren
Cc: Marc Zyngier
Cc: Mark Rutland
Cc: Peter Zijlstra
---
arch/csky/include/asm/smp.h | 28 ++
arch/csky/kernel/smp.c | 237
2 files changed, 265 insertions(+
ly use IPI_IRQ. The modification also involves csky_mp_intc.
Signed-off-by: Guo Ren
Cc: Marc Zyngier
Cc: Mark Rutland
Cc: Peter Zijlstra
---
arch/csky/include/asm/smp.h | 28 ++
arch/csky/kernel/smp.c | 237
2 files changed, 265 insertions(+
This patch adds "user access from kernel" codes.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/uaccess.h | 416
arch/csky/lib/usercopy.c| 262 +
2 files changed, 678 insertions(+)
create mode 100644 arch/cs
This patch adds "user access from kernel" codes.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/uaccess.h | 416
arch/csky/lib/usercopy.c| 262 +
2 files changed, 678 insertions(+)
create mode 100644 arch/cs
This patch adds ELF definition and module relocate codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/elf.h | 26
arch/csky/abiv2/inc/abi/elf.h | 43
arch/csky/include/asm/elf.h | 85 +++
arch/csky/kernel/module.c
This patch adds ELF definition and module relocate codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/elf.h | 26
arch/csky/abiv2/inc/abi/elf.h | 43
arch/csky/include/asm/elf.h | 85 +++
arch/csky/kernel/module.c
This patch adds files related to task_switch, sigcontext, signal.
Changelog:
- abiv2/fpu.c: Userspace should never be sent NSIGXXX as a si_code.
Use FPE_FLTUNK instead.
- abiv2/fpu.c: Use force_sig_fault instead.
Signed-off-by: Guo Ren
---
arch/csky/abiv2/fpu.c | 275
This patch adds files related to task_switch, sigcontext, signal.
Changelog:
- abiv2/fpu.c: Userspace should never be sent NSIGXXX as a si_code.
Use FPE_FLTUNK instead.
- abiv2/fpu.c: Use force_sig_fault instead.
Signed-off-by: Guo Ren
---
arch/csky/abiv2/fpu.c | 275
h
vma->mm's asid for cache_flush_line and we use cache_wbinv_all() first.
Wwe'll improve with cache_flush(vma, start, end) in future.
For tlb_start_vma, we make it the same as other arch.
- remove the abi/tlb.h
Signed-off-by: Guo Ren
---
arch/csky/abiv1/cacheflush.c | 52 +++
This patch adds atomic, cmpxchg, spinlock files.
Changlog:
- SMP supported
- ticklock supported
- queue-rwlock supported
Signed-off-by: Guo Ren
Cc: Peter Zijlstra
Cc: Andrea Parri
---
arch/csky/include/asm/atomic.h | 212 +
arch/csky/include/asm/cmpxchg.h
This patch adds IRQ handling files.
Changelog:
- Use CONFIG_GENERIC_IRQ_MULTI_HANDLER
Signed-off-by: Guo Ren
Cc: Thomas Gleixner
---
arch/csky/include/asm/irqflags.h | 49
arch/csky/kernel/irq.c | 22 ++
2 files changed, 71
h
vma->mm's asid for cache_flush_line and we use cache_wbinv_all() first.
Wwe'll improve with cache_flush(vma, start, end) in future.
For tlb_start_vma, we make it the same as other arch.
- remove the abi/tlb.h
Signed-off-by: Guo Ren
---
arch/csky/abiv1/cacheflush.c | 52 +++
This patch adds atomic, cmpxchg, spinlock files.
Changlog:
- SMP supported
- ticklock supported
- queue-rwlock supported
Signed-off-by: Guo Ren
Cc: Peter Zijlstra
Cc: Andrea Parri
---
arch/csky/include/asm/atomic.h | 212 +
arch/csky/include/asm/cmpxchg.h
This patch adds IRQ handling files.
Changelog:
- Use CONFIG_GENERIC_IRQ_MULTI_HANDLER
Signed-off-by: Guo Ren
Cc: Thomas Gleixner
---
arch/csky/include/asm/irqflags.h | 49
arch/csky/kernel/irq.c | 22 ++
2 files changed, 71
This patch adds files related to VDSO and our VDSO only support
rt_sigreturn.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/vdso.h | 17 +
arch/csky/abiv2/inc/abi/vdso.h | 23 +++
arch/csky/include/asm/vdso.h | 12 ++
arch/csky/kernel/vdso.c| 86
2100.armlinux.org.uk/
Signed-off-by: Guo Ren
Cc: Christoph Hellwig
---
arch/csky/abiv1/inc/abi/ckmmu.h| 75
arch/csky/abiv1/inc/abi/page.h | 27 +++
arch/csky/abiv1/inc/abi/pgtable-bits.h | 37
arch/csky/abiv1/mmap.c | 66 +++
arch/csky/abiv2/inc
This patch adds string optimize codes and some auxiliary code.
Changelog:
- Use bt instead of jbt in asm, jbt will cause relocation problem.
- remove kernel/platform.c
Signed-off-by: Chen Linfei
Signed-off-by: Mao Han
Signed-off-by: Guo Ren
---
arch/csky/abiv1/bswapdi.c| 12
This patch adds files related to VDSO and our VDSO only support
rt_sigreturn.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/vdso.h | 17 +
arch/csky/abiv2/inc/abi/vdso.h | 23 +++
arch/csky/include/asm/vdso.h | 12 ++
arch/csky/kernel/vdso.c| 86
2100.armlinux.org.uk/
Signed-off-by: Guo Ren
Cc: Christoph Hellwig
---
arch/csky/abiv1/inc/abi/ckmmu.h| 75
arch/csky/abiv1/inc/abi/page.h | 27 +++
arch/csky/abiv1/inc/abi/pgtable-bits.h | 37
arch/csky/abiv1/mmap.c | 66 +++
arch/csky/abiv2/inc
This patch adds string optimize codes and some auxiliary code.
Changelog:
- Use bt instead of jbt in asm, jbt will cause relocation problem.
- remove kernel/platform.c
Signed-off-by: Chen Linfei
Signed-off-by: Mao Han
Signed-off-by: Guo Ren
---
arch/csky/abiv1/bswapdi.c| 12
This patch adds exception handling code, cpuinfo and mm-fault code.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/alignment.c | 323
arch/csky/abiv1/inc/abi/entry.h | 160
arch/csky/abiv2/inc/abi/entry.h | 156
arch/csky
This patch adds files related to syscall.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/syscall.h | 71 +
arch/csky/include/asm/syscalls.h| 15
arch/csky/include/uapi/asm/unistd.h | 10 ++
arch/csky/kernel/syscall.c | 43
This patch adds files related to syscall.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/syscall.h | 71 +
arch/csky/include/asm/syscalls.h| 15
arch/csky/include/uapi/asm/unistd.h | 10 ++
arch/csky/kernel/syscall.c | 43
This patch adds exception handling code, cpuinfo and mm-fault code.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/alignment.c | 323
arch/csky/abiv1/inc/abi/entry.h | 160
arch/csky/abiv2/inc/abi/entry.h | 156
arch/csky
This patch add boot code. Thx boot params is all in dtb and it's
the only way to let kernel get bootloader param information.
Changelog:
- Use built-in dtb when dtb param is NULL.
- Add dummy console for allmodconfig.
Signed-off-by: Guo Ren
---
arch/csky/kernel/head.S| 77
This patch add boot code. Thx boot params is all in dtb and it's
the only way to let kernel get bootloader param information.
Changelog:
- Use built-in dtb when dtb param is NULL.
- Add dummy console for allmodconfig.
Signed-off-by: Guo Ren
---
arch/csky/kernel/head.S| 77
cd8f3 csky: revert back Kconfig select.
590c7e6 csky: bugfix compile error with CONFIG_AUDIT
1989292 csky: revert some back with cleanup unistd.h
f1454fe csky: cleanup unistd.h
5d2985f csky: cleanup Kconfig and Makefile.
423d97e csky: cancel subdirectories
cae2af4 csky: use asm-generic/fcntl.h
Guo Ren (21
This patch adds csky defconfig.
Signed-off-by: Guo Ren
---
arch/csky/configs/defconfig | 61 +
1 file changed, 61 insertions(+)
create mode 100644 arch/csky/configs/defconfig
diff --git a/arch/csky/configs/defconfig b/arch/csky/configs/defconfig
new
cd8f3 csky: revert back Kconfig select.
590c7e6 csky: bugfix compile error with CONFIG_AUDIT
1989292 csky: revert some back with cleanup unistd.h
f1454fe csky: cleanup unistd.h
5d2985f csky: cleanup Kconfig and Makefile.
423d97e csky: cancel subdirectories
cae2af4 csky: use asm-generic/fcntl.h
Guo Ren (21
This patch adds csky defconfig.
Signed-off-by: Guo Ren
---
arch/csky/configs/defconfig | 61 +
1 file changed, 61 insertions(+)
create mode 100644 arch/csky/configs/defconfig
diff --git a/arch/csky/configs/defconfig b/arch/csky/configs/defconfig
new
in Makefile.
Signed-off-by: Guo Ren
---
arch/csky/Kconfig | 205 +
arch/csky/Kconfig.debug| 9 ++
arch/csky/Makefile | 93 +++
arch/csky/abiv1/Makefile | 8 ++
arch/csky/abiv2/Makefile
in Makefile.
Signed-off-by: Guo Ren
---
arch/csky/Kconfig | 205 +
arch/csky/Kconfig.debug| 9 ++
arch/csky/Makefile | 93 +++
arch/csky/abiv1/Makefile | 8 ++
arch/csky/abiv2/Makefile
Hi Marc,
On Tue, Oct 09, 2018 at 04:11:05PM +0100, Marc Zyngier wrote:
> On 09/10/18 15:41, Guo Ren wrote:
> > - Irq-csky-mpintc is C-SKY smp system interrupt controller and it
> >could support 16 soft irqs, 16 private irqs, and 992 max common
> >irqs.
> >
&
Hi Marc,
On Tue, Oct 09, 2018 at 04:11:05PM +0100, Marc Zyngier wrote:
> On 09/10/18 15:41, Guo Ren wrote:
> > - Irq-csky-mpintc is C-SKY smp system interrupt controller and it
> >could support 16 soft irqs, 16 private irqs, and 992 max common
> >irqs.
> >
&
allback in irq-csky-mpintc.c
void __init setup_smp_ipi(void)
{
int rc;
ipi_irq = arch_ipi_irq_mapping();
if (ipi_irq == 0)
panic("%s IRQ mapping failed\n", __func__);
rc = request_percpu_irq(ipi_irq, handle_ipi, "IPI Interrupt",
_dummy_dev);
if (rc)
panic("%s IRQ request failed\n", __func__);
enable_smp_ipi();
}
Best Regards
Guo Ren
allback in irq-csky-mpintc.c
void __init setup_smp_ipi(void)
{
int rc;
ipi_irq = arch_ipi_irq_mapping();
if (ipi_irq == 0)
panic("%s IRQ mapping failed\n", __func__);
rc = request_percpu_irq(ipi_irq, handle_ipi, "IPI Interrupt",
_dummy_dev);
if (rc)
panic("%s IRQ request failed\n", __func__);
enable_smp_ipi();
}
Best Regards
Guo Ren
- Dt-bindings doc about C-SKY apb bus interrupt controller.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../interrupt-controller/csky,apb-intc.txt | 62 ++
1 file changed, 62 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt
- Dt-bindings doc about C-SKY apb bus interrupt controller.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../interrupt-controller/csky,apb-intc.txt | 62 ++
1 file changed, 62 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt
Signed-off-by: Guo Ren
Cc: Daniel Lezcano
---
drivers/clocksource/Kconfig | 8 ++
drivers/clocksource/Makefile| 1 +
drivers/clocksource/timer-gx6605s.c | 154
3 files changed, 163 insertions(+)
create mode 100644 drivers/clocksource/timer
Signed-off-by: Guo Ren
Cc: Daniel Lezcano
---
drivers/clocksource/Kconfig | 8 ++
drivers/clocksource/Makefile| 1 +
drivers/clocksource/timer-gx6605s.c | 154
3 files changed, 163 insertions(+)
create mode 100644 drivers/clocksource/timer
- Move IPI_IRQ into the driver
- Remove irq_set_default_host() and use set_ipi_irq_mapping()
- Change name with upstream feed-back
- Change irq map, reserve soft_irq & private_irq space
- Add License and Copyright
- Support set_affinity for irq balance in SMP
Signed-off-by: Guo Ren
Cc:
Dt-bindings doc for gx6605s SOC's system timer.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/timer/csky,gx6605s-timer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644
Documentation/devicetree/bindings/timer/csky,gx6605s
- Move IPI_IRQ into the driver
- Remove irq_set_default_host() and use set_ipi_irq_mapping()
- Change name with upstream feed-back
- Change irq map, reserve soft_irq & private_irq space
- Add License and Copyright
- Support set_affinity for irq balance in SMP
Signed-off-by: Guo Ren
Cc:
Dt-bindings doc for gx6605s SOC's system timer.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/timer/csky,gx6605s-timer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644
Documentation/devicetree/bindings/timer/csky,gx6605s
COMPILE_TEST for csky_mp_timer.
- Fixup smp boot error, cpuhp_setup_state must after timer_of_init()
for csky_mp_timer.
Any feedback is welcome, thx for all people review my patchset.
Guo Ren (8):
irqchip: add C-SKY SMP interrupt controller
dt-bindings: interrupt-controller: C-SKY SMP intc
COMPILE_TEST for csky_mp_timer.
- Fixup smp boot error, cpuhp_setup_state must after timer_of_init()
for csky_mp_timer.
Any feedback is welcome, thx for all people review my patchset.
Guo Ren (8):
irqchip: add C-SKY SMP interrupt controller
dt-bindings: interrupt-controller: C-SKY SMP intc
back
- add INTC_IFR to clear irq-pending
- remove CSKY_VECIRQ_LEGENCY
- change to generic irq chip framework
- add License and Copyright
- use irq_domain_add_linear instead of leagcy
Signed-off-by: Guo Ren
Cc: Mark Rutland
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makef
Dt-bingdings doc for C-SKY SMP system setting.
Changelog:
- Drop the interrupt-parent.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../devicetree/bindings/timer/csky,mptimer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644 Documentation
back
- add INTC_IFR to clear irq-pending
- remove CSKY_VECIRQ_LEGENCY
- change to generic irq chip framework
- add License and Copyright
- use irq_domain_add_linear instead of leagcy
Signed-off-by: Guo Ren
Cc: Mark Rutland
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makef
Dt-bingdings doc for C-SKY SMP system setting.
Changelog:
- Drop the interrupt-parent.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../devicetree/bindings/timer/csky,mptimer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644 Documentation
CPUHP_AP_CSKY_TIMER_STARTING.
- Add CPUHP_AP_CSKY_TIMER_STARTING in cpuhotplug.h.
- Support csky mp timer alpha version.
- Just use low-counter with 32bit width as clocksource.
- Coding convention with upstream feed-back.
Signed-off-by: Guo Ren
Cc: Daniel Lezcano
---
drivers/clocksource/Kconfig
Dt-bindings doc about C-SKY Multi-processors interrupt controller.
Changelog:
- Should be: '#interrupt-cells' not 'interrupt-cells'
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/interrupt-controller/csky,mpintc.txt | 40 ++
1 file changed, 40
Dt-bindings doc about C-SKY Multi-processors interrupt controller.
Changelog:
- Should be: '#interrupt-cells' not 'interrupt-cells'
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/interrupt-controller/csky,mpintc.txt | 40 ++
1 file changed, 40
CPUHP_AP_CSKY_TIMER_STARTING.
- Add CPUHP_AP_CSKY_TIMER_STARTING in cpuhotplug.h.
- Support csky mp timer alpha version.
- Just use low-counter with 32bit width as clocksource.
- Coding convention with upstream feed-back.
Signed-off-by: Guo Ren
Cc: Daniel Lezcano
---
drivers/clocksource/Kconfig
Hi Marc,
On Mon, Oct 08, 2018 at 05:35:19PM +0100, Marc Zyngier wrote:
> Hi Guo,
>
> On 04/10/18 18:22, Guo Ren wrote:
> > - Irq-csky-mpintc is C-SKY smp system interrupt controller and it
> >could support 16 soft irqs, 16 private irqs, and 992 max common
> >
Hi Marc,
On Mon, Oct 08, 2018 at 05:35:19PM +0100, Marc Zyngier wrote:
> Hi Guo,
>
> On 04/10/18 18:22, Guo Ren wrote:
> > - Irq-csky-mpintc is C-SKY smp system interrupt controller and it
> >could support 16 soft irqs, 16 private irqs, and 992 max common
> >
st Regards
Guo Ren
On Fri, Oct 05, 2018 at 01:41:42PM +0800, Guo Ren wrote:
> This is the 7th version patchset to add the Linux kernel port for
> C-SKY(csky) based on linux-4.19-rc3.
>
> In this patchset some fixup patches are folded into original patch in
> order to make
st Regards
Guo Ren
On Fri, Oct 05, 2018 at 01:41:42PM +0800, Guo Ren wrote:
> This is the 7th version patchset to add the Linux kernel port for
> C-SKY(csky) based on linux-4.19-rc3.
>
> In this patchset some fixup patches are folded into original patch in
> order to make
On Sat, Oct 06, 2018 at 10:06:49PM +0200, Eugene Syromiatnikov wrote:
> On Fri, Oct 05, 2018 at 01:41:42PM +0800, Guo Ren wrote:
> > This is the 7th version patchset to add the Linux kernel port for
> > C-SKY(csky) based on linux-4.19-rc3.
> >
> > In this patchset so
On Sat, Oct 06, 2018 at 10:06:49PM +0200, Eugene Syromiatnikov wrote:
> On Fri, Oct 05, 2018 at 01:41:42PM +0800, Guo Ren wrote:
> > This is the 7th version patchset to add the Linux kernel port for
> > C-SKY(csky) based on linux-4.19-rc3.
> >
> > In this patchset so
Hi Rob,
Thx for the review.
On Fri, Oct 05, 2018 at 03:21:08PM -0500, Rob Herring wrote:
> On Fri, Oct 05, 2018 at 01:22:28AM +0800, Guo Ren wrote:
> > Dt-bindings doc for gx6605s SOC's system timer.
> >
> > Signed-off-by: Guo Ren
> > ---
> > .../bind
Hi Rob,
Thx for the review.
On Fri, Oct 05, 2018 at 03:21:08PM -0500, Rob Herring wrote:
> On Fri, Oct 05, 2018 at 01:22:28AM +0800, Guo Ren wrote:
> > Dt-bindings doc for gx6605s SOC's system timer.
> >
> > Signed-off-by: Guo Ren
> > ---
> > .../bind
Hi Daniel,
On Fri, Oct 05, 2018 at 03:48:58PM +0200, Daniel Lezcano wrote:
> On 04/10/2018 19:22, Guo Ren wrote:
> > This timer is used by SMP system and use mfcr/mtcr instruction
> > to access the regs.
> >
> > Changelog:
> > - Add rollback for timer_of_clean
Hi Daniel,
On Fri, Oct 05, 2018 at 03:48:58PM +0200, Daniel Lezcano wrote:
> On 04/10/2018 19:22, Guo Ren wrote:
> > This timer is used by SMP system and use mfcr/mtcr instruction
> > to access the regs.
> >
> > Changelog:
> > - Add rollback for timer_of_clean
Add a maintainer information for the csky(C-SKY) architecture.
Signed-off-by: Guo Ren
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index d870cb5..9dac20e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3211,6 +3211,15 @@ T: git git
Add a maintainer information for the csky(C-SKY) architecture.
Signed-off-by: Guo Ren
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index d870cb5..9dac20e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3211,6 +3211,15 @@ T: git git
This patch adds the documentation to describe that how to add cpu nodes in
dts for SMP.
Signed-off-by: Guo Ren
---
Documentation/devicetree/bindings/csky/cpus.txt | 70 +
1 file changed, 70 insertions(+)
create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt
This patch adds the documentation to describe that how to add cpu nodes in
dts for SMP.
Signed-off-by: Guo Ren
---
Documentation/devicetree/bindings/csky/cpus.txt | 70 +
1 file changed, 70 insertions(+)
create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt
Add csky vendor definition.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
b/Documentation/devicetree/bindings/vendor
Add csky vendor definition.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
b/Documentation/devicetree/bindings/vendor
This patch adds IRQ handling files.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/irqflags.h | 49
arch/csky/kernel/irq.c | 22 ++
2 files changed, 71 insertions(+)
create mode 100644 arch/csky/include/asm/irqflags.h
create
This patch adds ELF definition and module relocate codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/elf.h | 26
arch/csky/abiv2/inc/abi/elf.h | 43
arch/csky/include/asm/elf.h | 85 +++
arch/csky/kernel/module.c
This patch adds IRQ handling files.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/irqflags.h | 49
arch/csky/kernel/irq.c | 22 ++
2 files changed, 71 insertions(+)
create mode 100644 arch/csky/include/asm/irqflags.h
create
This patch adds ELF definition and module relocate codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/elf.h | 26
arch/csky/abiv2/inc/abi/elf.h | 43
arch/csky/include/asm/elf.h | 85 +++
arch/csky/kernel/module.c
This patch adds csky register definition, byteorder, asm-offsets codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/reg_ops.h | 27 +++
arch/csky/abiv1/inc/abi/regdef.h | 26 ++
arch/csky/abiv2/inc/abi/reg_ops.h | 17 +++
arch/csky/abiv2/inc/abi
This patch adds csky register definition, byteorder, asm-offsets codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/reg_ops.h | 27 +++
arch/csky/abiv1/inc/abi/regdef.h | 26 ++
arch/csky/abiv2/inc/abi/reg_ops.h | 17 +++
arch/csky/abiv2/inc/abi
This patch adds arch ptrace implementation, stack dump and bug.h.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/bug.h | 26 +++
arch/csky/include/uapi/asm/ptrace.h | 104
arch/csky/kernel/dumpstack.c| 66
arch/csky/kernel/ptrace.c | 314
This patch adds arch ptrace implementation, stack dump and bug.h.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/bug.h | 26 +++
arch/csky/include/uapi/asm/ptrace.h | 104
arch/csky/kernel/dumpstack.c| 66
arch/csky/kernel/ptrace.c | 314
, because it's a
interrupt controller specific.
- Bugfix request_irq with IPI_IRQ, we must use irq_mapping return value
not directly use IPI_IRQ. The modification also involves csky_mp_intc.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/smp.h | 30 ++
arch/csky/kernel/sm
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