| Message ID | 1375780486.2725.7.camel@iivanov-dev.int.mm-sol.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Aug 06, 2013 at 12:14:46PM +0300, Ivan T. Ivanov wrote: >Attached patch enables earlyprink for this board. > >[920] booting linux @ 0x8000, ramdisk @ 0x2000000 (1067699), tags/device tree @ 0x1e00000 >Uncompressing Linux... done, booting the kernel. >[ 0.000000] Booting Linux on physical CPU 0x0 >[ 0.000000] Linux version 3.11.0-rc4-00003-g7c8394e (iivanov@dev) (gcc version 4.6.3 (GCC) ) #502 SMP PREEMPT Tue Aug 6 12:09:07 EEST3 >[ 0.000000] CPU: ARMv7 Processor [512f06f0] revision 0 (ARMv7), cr=10c5387d >[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache >[ 0.000000] Machine: Qualcomm MSM (Flattened Device Tree), model: Qualcomm MSM8974 Dragonboard We'll need to have either Rohit include this in his patch series, or you'll have to format this as a valid patch. Thanks, David
Hey Ivan- On Tue, Aug 06, 2013 at 12:14:46PM +0300, Ivan T. Ivanov wrote: [..] > Enable low-level debug print routines to direct their > output to the serial port on MSM 8974 devices. > > Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com> > --- > arch/arm/Kconfig.debug | 8 ++++++++ > arch/arm/mach-msm/board-dt-8974.c | 2 ++ > arch/arm/mach-msm/include/mach/msm_iomap.h | 4 ++++ > 3 files changed, 14 insertions(+) [..] > diff --git a/arch/arm/mach-msm/board-dt-8974.c b/arch/arm/mach-msm/board-dt-8974.c > index 697623e..0ce016a 100644 > --- a/arch/arm/mach-msm/board-dt-8974.c > +++ b/arch/arm/mach-msm/board-dt-8974.c > @@ -12,6 +12,7 @@ > > #include <linux/of_platform.h> > #include <asm/mach/arch.h> > +#include <asm/mach/map.h> > > static const char * const msm8974_dt_match[] __initconst = { > "qcom,msm8974-db", > @@ -20,4 +21,5 @@ static const char * const msm8974_dt_match[] __initconst = { > > DT_MACHINE_START(MSM8974_DT, "Qualcomm MSM (Flattened Device Tree)") > .dt_compat = msm8974_dt_match, > + .map_io = debug_ll_io_init, If/when you get this patch cooked up ontop of Rohit's, changes to this file (renamed to board-dt.c) should not be necessary. As of bc37324 ("ARM: mmu: Call debug_ll_io_init if no map_io function is specified"), the debug ll uart mapping is setup automatically. Thanks, Josh
Hi, On Wed, 2013-09-11 at 13:12 -0500, Josh Cartwright wrote: > Hey Ivan- > > On Tue, Aug 06, 2013 at 12:14:46PM +0300, Ivan T. Ivanov wrote: > [..] > > Enable low-level debug print routines to direct their > > output to the serial port on MSM 8974 devices. > > > > Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com> > > --- > > arch/arm/Kconfig.debug | 8 ++++++++ > > arch/arm/mach-msm/board-dt-8974.c | 2 ++ > > arch/arm/mach-msm/include/mach/msm_iomap.h | 4 ++++ > > 3 files changed, 14 insertions(+) > [..] > > diff --git a/arch/arm/mach-msm/board-dt-8974.c b/arch/arm/mach-msm/board-dt-8974.c > > index 697623e..0ce016a 100644 > > --- a/arch/arm/mach-msm/board-dt-8974.c > > +++ b/arch/arm/mach-msm/board-dt-8974.c > > @@ -12,6 +12,7 @@ > > > > #include <linux/of_platform.h> > > #include <asm/mach/arch.h> > > +#include <asm/mach/map.h> > > > > static const char * const msm8974_dt_match[] __initconst = { > > "qcom,msm8974-db", > > @@ -20,4 +21,5 @@ static const char * const msm8974_dt_match[] __initconst = { > > > > DT_MACHINE_START(MSM8974_DT, "Qualcomm MSM (Flattened Device Tree)") > > .dt_compat = msm8974_dt_match, > > + .map_io = debug_ll_io_init, > > If/when you get this patch cooked up ontop of Rohit's, changes to this > file (renamed to board-dt.c) should not be necessary. As of bc37324 > ("ARM: mmu: Call debug_ll_io_init if no map_io function is specified"), > the debug ll uart mapping is setup automatically. Thanks Josh. I am aware of this. Regards, Ivan > > Thanks, > Josh >
Hi, On Wed, 2013-09-11 at 11:00 -0700, David Brown wrote: > On Tue, Aug 06, 2013 at 12:14:46PM +0300, Ivan T. Ivanov wrote: > > >Attached patch enables earlyprink for this board. > > > >[920] booting linux @ 0x8000, ramdisk @ 0x2000000 (1067699), tags/device tree @ 0x1e00000 > >Uncompressing Linux... done, booting the kernel. > >[ 0.000000] Booting Linux on physical CPU 0x0 > >[ 0.000000] Linux version 3.11.0-rc4-00003-g7c8394e (iivanov@dev) (gcc version 4.6.3 (GCC) ) #502 SMP PREEMPT Tue Aug 6 12:09:07 EEST3 > >[ 0.000000] CPU: ARMv7 Processor [512f06f0] revision 0 (ARMv7), cr=10c5387d > >[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache > >[ 0.000000] Machine: Qualcomm MSM (Flattened Device Tree), model: Qualcomm MSM8974 Dragonboard > > We'll need to have either Rohit include this in his patch series, or > you'll have to format this as a valid patch. I don't have preferences. Rohit could you send this patch with you changes? Regards, Ivan > > Thanks, > David >
On 9/12/2013 7:05 AM, Ivan T. Ivanov wrote: > Hi, > > On Wed, 2013-09-11 at 11:00 -0700, David Brown wrote: >> On Tue, Aug 06, 2013 at 12:14:46PM +0300, Ivan T. Ivanov wrote: >> >>> Attached patch enables earlyprink for this board. >>> >>> [920] booting linux @ 0x8000, ramdisk @ 0x2000000 (1067699), tags/device tree @ 0x1e00000 >>> Uncompressing Linux... done, booting the kernel. >>> [ 0.000000] Booting Linux on physical CPU 0x0 >>> [ 0.000000] Linux version 3.11.0-rc4-00003-g7c8394e (iivanov@dev) (gcc version 4.6.3 (GCC) ) #502 SMP PREEMPT Tue Aug 6 12:09:07 EEST3 >>> [ 0.000000] CPU: ARMv7 Processor [512f06f0] revision 0 (ARMv7), cr=10c5387d >>> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache >>> [ 0.000000] Machine: Qualcomm MSM (Flattened Device Tree), model: Qualcomm MSM8974 Dragonboard >> We'll need to have either Rohit include this in his patch series, or >> you'll have to format this as a valid patch. > I don't have preferences. Rohit could you send this patch > with you changes? Yep. Will fixup this as part of the initial support. > Regards, > Ivan > >> Thanks, >> David >> > Thanks, Rohit Vaswani
On Thu, 2013-09-12 at 09:34 -0700, Rohit Vaswani wrote: > On 9/12/2013 7:05 AM, Ivan T. Ivanov wrote: > > Hi, > > > > On Wed, 2013-09-11 at 11:00 -0700, David Brown wrote: > >> On Tue, Aug 06, 2013 at 12:14:46PM +0300, Ivan T. Ivanov wrote: > >> > >>> Attached patch enables earlyprink for this board. > >>> > >>> [920] booting linux @ 0x8000, ramdisk @ 0x2000000 (1067699), tags/device tree @ 0x1e00000 > >>> Uncompressing Linux... done, booting the kernel. > >>> [ 0.000000] Booting Linux on physical CPU 0x0 > >>> [ 0.000000] Linux version 3.11.0-rc4-00003-g7c8394e (iivanov@dev) (gcc version 4.6.3 (GCC) ) #502 SMP PREEMPT Tue Aug 6 12:09:07 EEST3 > >>> [ 0.000000] CPU: ARMv7 Processor [512f06f0] revision 0 (ARMv7), cr=10c5387d > >>> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache > >>> [ 0.000000] Machine: Qualcomm MSM (Flattened Device Tree), model: Qualcomm MSM8974 Dragonboard > >> We'll need to have either Rohit include this in his patch series, or > >> you'll have to format this as a valid patch. > > I don't have preferences. Rohit could you send this patch > > with you changes? > > Yep. Will fixup this as part of the initial support. Thanks, Ivan > > Regards, > > Ivan > > > >> Thanks, > >> David > >> > > > > > Thanks, > Rohit Vaswani >
From 7c8394ea8d926cc90c90c76aa48c5cee88f2f149 Mon Sep 17 00:00:00 2001 From: "Ivan T. Ivanov" <iivanov@mm-sol.com> Date: Wed, 5 Jun 2013 17:35:40 +0300 Subject: [PATCH] msm: Add low-level debugging via MSM 8974 UART Enable low-level debug print routines to direct their output to the serial port on MSM 8974 devices. Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com> --- arch/arm/Kconfig.debug | 8 ++++++++ arch/arm/mach-msm/board-dt-8974.c | 2 ++ arch/arm/mach-msm/include/mach/msm_iomap.h | 4 ++++ 3 files changed, 14 insertions(+) diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 583f4a0..4a8584f 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -323,6 +323,14 @@ choice Say Y here if you want the debug print routines to direct their output to the serial port on MSM 8960 devices. + config DEBUG_MSM8974_UART + bool "Kernel low-level debugging messages via MSM 8974 UART" + depends on ARCH_MSM8974 + 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 8974 devices. + config DEBUG_MVEBU_UART bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)" depends on ARCH_MVEBU diff --git a/arch/arm/mach-msm/board-dt-8974.c b/arch/arm/mach-msm/board-dt-8974.c index 697623e..0ce016a 100644 --- a/arch/arm/mach-msm/board-dt-8974.c +++ b/arch/arm/mach-msm/board-dt-8974.c @@ -12,6 +12,7 @@ #include <linux/of_platform.h> #include <asm/mach/arch.h> +#include <asm/mach/map.h> static const char * const msm8974_dt_match[] __initconst = { "qcom,msm8974-db", @@ -20,4 +21,5 @@ static const char * const msm8974_dt_match[] __initconst = { DT_MACHINE_START(MSM8974_DT, "Qualcomm MSM (Flattened Device Tree)") .dt_compat = msm8974_dt_match, + .map_io = debug_ll_io_init, MACHINE_END diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h index c56e81f..7e08189 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap.h @@ -59,6 +59,10 @@ #define MSM_DEBUG_UART_BASE 0xE1000000 #define MSM_DEBUG_UART_PHYS MSM_UART3_PHYS #endif +#ifdef CONFIG_DEBUG_MSM8974_UART +#define MSM_DEBUG_UART_BASE 0xfa71e000 +#define MSM_DEBUG_UART_PHYS 0xf991e000 +#endif /* Virtual addresses shared across all MSM targets. */ #define MSM_CSR_BASE IOMEM(0xE0001000) -- 1.7.9.5