* [PATCH v3] ARM: bcm: Add DEBUG_LL console support
@ 2013-10-05 15:43 Christian Daudt
2013-10-17 6:12 ` Christian Daudt
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Christian Daudt @ 2013-10-05 15:43 UTC (permalink / raw)
To: linux-arm-kernel
This patch adds low level debug uart support to Broadcom
mobile based SOCs.
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Changes from V2:
- Changed to follow hex ordering on entries
- Dropped defconfig changes
Changes from V1:
- Switched to use the common 8250 debug introduced in 3.12-rc1
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 9762c84..0391691 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -94,6 +94,17 @@ choice
depends on ARCH_BCM2835
select DEBUG_UART_PL01X
+ config DEBUG_BCM_KONA_UART
+ bool "Kernel low-level debugging messages via BCM KONA UART"
+ depends on ARCH_BCM
+ select DEBUG_UART_8250
+ help
+ Say Y here if you want kernel low-level debugging support
+ on Broadcom SoC platforms.
+ This low level debug works for Broadcom
+ mobile SoCs in the Kona family of chips (e.g. bcm28155,
+ bcm11351, etc...)
+
config DEBUG_CLPS711X_UART1
bool "Kernel low-level debugging messages via UART1"
depends on ARCH_CLPS711X
@@ -951,6 +962,7 @@ config DEBUG_UART_PHYS
default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
default 0x20201000 if DEBUG_BCM2835
+ default 0x3e000000 if DEBUG_BCM_KONA_UART
default 0x40090000 if ARCH_LPC32XX
default 0x40100000 if DEBUG_PXA_UART1
default 0x42000000 if ARCH_GEMINI
@@ -1010,6 +1022,7 @@ config DEBUG_UART_VIRT
default 0xfe018000 if DEBUG_MMP_UART3
default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
default 0xfe230000 if DEBUG_PICOXCELL_UART
+ default 0xfe300000 if DEBUG_BCM_KONA_UART
default 0xfe800000 if ARCH_IOP32X
default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HI3716_UART
default 0xfeb24000 if DEBUG_RK3X_UART0
@@ -1052,7 +1065,8 @@ config DEBUG_UART_8250_WORD
default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
ARCH_KEYSTONE || \
DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
- DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_DAVINCI_TNETV107X_UART1
+ DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_DAVINCI_TNETV107X_UART1 || \
+ DEBUG_BCM_KONA_UART
config DEBUG_UART_8250_FLOW_CONTROL
bool "Enable flow control for 8250 UART"
--
1.7.10.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v3] ARM: bcm: Add DEBUG_LL console support
2013-10-05 15:43 [PATCH v3] ARM: bcm: Add DEBUG_LL console support Christian Daudt
@ 2013-10-17 6:12 ` Christian Daudt
2013-10-30 6:30 ` Christian Daudt
2013-12-13 19:18 ` Olof Johansson
2013-12-13 19:19 ` Matt Porter
2 siblings, 1 reply; 6+ messages in thread
From: Christian Daudt @ 2013-10-17 6:12 UTC (permalink / raw)
To: linux-arm-kernel
On Sat, Oct 5, 2013 at 8:43 AM, Christian Daudt <bcm@fixthebug.org> wrote:
> This patch adds low level debug uart support to Broadcom
> mobile based SOCs.
>
> Signed-off-by: Christian Daudt <bcm@fixthebug.org>
>
> Changes from V2:
> - Changed to follow hex ordering on entries
> - Dropped defconfig changes
>
> Changes from V1:
> - Switched to use the common 8250 debug introduced in 3.12-rc1
>
Hi Russell,
Does V3 look ok ?
Thanks,
csd
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v3] ARM: bcm: Add DEBUG_LL console support
2013-10-17 6:12 ` Christian Daudt
@ 2013-10-30 6:30 ` Christian Daudt
2013-11-14 19:48 ` Markus Mayer
0 siblings, 1 reply; 6+ messages in thread
From: Christian Daudt @ 2013-10-30 6:30 UTC (permalink / raw)
To: linux-arm-kernel
On Wed, Oct 16, 2013 at 11:12 PM, Christian Daudt <bcm@fixthebug.org> wrote:
> On Sat, Oct 5, 2013 at 8:43 AM, Christian Daudt <bcm@fixthebug.org> wrote:
>> This patch adds low level debug uart support to Broadcom
>> mobile based SOCs.
>>
>> Signed-off-by: Christian Daudt <bcm@fixthebug.org>
>>
>> Changes from V2:
>> - Changed to follow hex ordering on entries
>> - Dropped defconfig changes
>>
>> Changes from V1:
>> - Switched to use the common 8250 debug introduced in 3.12-rc1
>>
>
> Hi Russell,
> Does V3 look ok ?
>
> Thanks,
> csd
Hi,
Can anyone provide an ack on this mod ?
Thanks,
csd
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v3] ARM: bcm: Add DEBUG_LL console support
2013-10-30 6:30 ` Christian Daudt
@ 2013-11-14 19:48 ` Markus Mayer
0 siblings, 0 replies; 6+ messages in thread
From: Markus Mayer @ 2013-11-14 19:48 UTC (permalink / raw)
To: linux-arm-kernel
On 29 October 2013 23:30, Christian Daudt <bcm@fixthebug.org> wrote:
> On Wed, Oct 16, 2013 at 11:12 PM, Christian Daudt <bcm@fixthebug.org> wrote:
>> On Sat, Oct 5, 2013 at 8:43 AM, Christian Daudt <bcm@fixthebug.org> wrote:
>>> This patch adds low level debug uart support to Broadcom
>>> mobile based SOCs.
>>>
>>> Signed-off-by: Christian Daudt <bcm@fixthebug.org>
>>>
>>> Changes from V2:
>>> - Changed to follow hex ordering on entries
>>> - Dropped defconfig changes
>>>
>>> Changes from V1:
>>> - Switched to use the common 8250 debug introduced in 3.12-rc1
>>>
>>
>> Hi Russell,
>> Does V3 look ok ?
>>
>> Thanks,
>> csd
> Hi,
> Can anyone provide an ack on this mod ?
>
> Thanks,
> csd
Tested-by: Markus Mayer <markus.mayer@linaro.org>
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.12.0+ (mmayer at lbrmn-lnxub70.ric.broadcom.com)
[ 0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c53c7d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
instruction cache
[ 0.000000] Machine: BCM281xx Broadcom Application Processor,
model: BCM28155 AP board
[ 0.000000] bootconsole [earlycon0] enabled
[ 0.000000] Truncating RAM at 90000000-bfffffff to -bf7fffff
(vmalloc region overlap).
[ 0.000000] Memory policy: ECC disabled, Data cache writeback
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
Total pages: 193040
[ 0.000000] Kernel command line: console=ttyS0,115200n8
root=/dev/mmcblk0p8 rootwait rootfstype=ext4 earlyprintk
[...]
[ 0.200000] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.210000] 3e000000.uart: ttyS0 at MMIO 0x3e000000 (irq = 99,
base_baud = 812500) is a 16550A
[ 0.220000] console [ttyS0] enabled, bootconsole disabled
[ 0.220000] console [ttyS0] enabled, bootconsole disabled
[ 0.230000] mousedev: PS/2 mouse device common for all mice
[...]
--
Markus Mayer
Broadcom Landing Team
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v3] ARM: bcm: Add DEBUG_LL console support
2013-10-05 15:43 [PATCH v3] ARM: bcm: Add DEBUG_LL console support Christian Daudt
2013-10-17 6:12 ` Christian Daudt
@ 2013-12-13 19:18 ` Olof Johansson
2013-12-13 19:19 ` Matt Porter
2 siblings, 0 replies; 6+ messages in thread
From: Olof Johansson @ 2013-12-13 19:18 UTC (permalink / raw)
To: linux-arm-kernel
On Sat, Oct 5, 2013 at 8:43 AM, Christian Daudt <bcm@fixthebug.org> wrote:
> This patch adds low level debug uart support to Broadcom
> mobile based SOCs.
>
> Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Acked-by: Olof Johansson <olof@lixom.net>
Please send to Russell's patch tracker.
-Olof
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v3] ARM: bcm: Add DEBUG_LL console support
2013-10-05 15:43 [PATCH v3] ARM: bcm: Add DEBUG_LL console support Christian Daudt
2013-10-17 6:12 ` Christian Daudt
2013-12-13 19:18 ` Olof Johansson
@ 2013-12-13 19:19 ` Matt Porter
2 siblings, 0 replies; 6+ messages in thread
From: Matt Porter @ 2013-12-13 19:19 UTC (permalink / raw)
To: linux-arm-kernel
On Sat, Oct 05, 2013 at 08:43:29AM -0700, Christian Daudt wrote:
> This patch adds low level debug uart support to Broadcom
> mobile based SOCs.
>
> Signed-off-by: Christian Daudt <bcm@fixthebug.org>
>
> Changes from V2:
> - Changed to follow hex ordering on entries
> - Dropped defconfig changes
>
> Changes from V1:
> - Switched to use the common 8250 debug introduced in 3.12-rc1
>
Also working for me on my Capri board.
Tested-by: Matt Porter <mporter@linaro.org>
-Matt
^ permalink raw reply [flat|nested] 6+ messages in thread
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2013-10-05 15:43 [PATCH v3] ARM: bcm: Add DEBUG_LL console support Christian Daudt
2013-10-17 6:12 ` Christian Daudt
2013-10-30 6:30 ` Christian Daudt
2013-11-14 19:48 ` Markus Mayer
2013-12-13 19:18 ` Olof Johansson
2013-12-13 19:19 ` Matt Porter
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