ed within the interrupt handler to clear this
condition.
Linux dw 8250 driver also handles this condition within
interrupt handler
http://elixir.free-electrons.com/linux/latest/source/drivers/tty/serial/8250/8250_dw.c#L233
Tested on Orange Pi PC2 (H5). This issue is seen on H3
as well and the same
Hi,
On 10/04/2017 02:26 PM, Andre Przywara wrote:
> Hi Awais,
>
> On 04/10/17 10:16, Awais Masood wrote:
>> Hi,
>>
>> On 09/29/2017 09:35 PM, Andre Przywara wrote:
>>> Hi,
>>>
>>> On 09/28/2017 03:49 PM, Andre Przywara wrote:
>>
Hi,
On 09/29/2017 09:35 PM, Andre Przywara wrote:
> Hi,
>
> On 09/28/2017 03:49 PM, Andre Przywara wrote:
>> Hi,
>>
>> On 09/28/2017 01:03 PM, Julien Grall wrote:
>>> Hi,
>>>
>>> On 09/26/2017 10:37 AM, Awais Masood wrote:
&g
tion.
Linux dw 8250 driver also handles this condition within
interrupt handler
http://elixir.free-electrons.com/linux/latest/source/drivers/tty/serial/8250/8250_dw.c#L233
Tested on Orange Pi PC2 (H5). Earlier this issue was seen on H3
as well and the same fix should help.
Signed-off-by: Awais
Wilk
CC: Stefano Stabellini
CC: Tim Deegan
CC: Wei Liu
CC: Julien Grall
Awais Masood (2):
xen/arm64: Add Support for Allwinner H5 (sun50i)
xen/ns16550: Fix ISR lockup on Designware 8250 (H5)
xen/arch/arm/platforms/Makefile | 1 +
xen/arch/arm/platforms/sunxi.c | 40
Signed-off-by: Awais Masood
---
Changes since v1:
- Improved patch description
---
xen/arch/arm/platforms/Makefile | 1 +
xen/arch/arm/platforms/sunxi.c | 40 +++-
2 files changed, 32 insertions(+), 9 deletions(-)
diff --git a/xen/arch/arm/platforms/Makefile
Tested on Orange Pi PC2.
Makefile updated to enable ARM64 compilation of sunxi.c.
sunxi.c updates include:
Added H5 dt compatibility string.
Watchdog timer base address is different on sun5oi as compared to sun7i.
Reset function updated to handle different base addresses.
Signed-off-by: Awais
tion appears again
during subsequent LCR writes, we end up in this situation.
Tested on Orange Pi PC2
Signed-off-by: Awais Masood
---
xen/drivers/char/ns16550.c | 12
1 file changed, 12 insertions(+)
diff --git a/xen/drivers/char/ns16550.c b/xen/drivers/char/ns16550.c
index 6ab5ec3.
used
CONFIG_EARLY_PRINTK=sun7i
Dom0 boot log: https://pastebin.com/CgUuqpi0
Awais Masood (2):
xen/arm64: Add Support for Allwinner H5 (sun50i)
xen/ns16550: Fix ISR lockup on Designware 8250 (H5)
xen/arch/arm/platforms/Makefile | 1 +
xen/arch/arm/platforms/sunxi.c | 40
