[U-Boot] [PATCH v2 8/8] board: am335x: Allow to choose serial device dynamically

[Lokesh Vutla <lokeshvutla@ti.com>]

On 5/17/2016 4:56 PM, Tom Rini wrote:
> On Tue, May 17, 2016 at 09:49:53AM +0530, Lokesh Vutla wrote:
>>
>>
>> On 5/17/2016 6:11 AM, Tom Rini wrote:
>>> On Mon, May 16, 2016 at 11:47:29AM +0530, Lokesh Vutla wrote:
>>>
>>>> Different AM335x based platforms have different serial consoles. As serial
>>>> console is Kconfig option a separate defconfig has to be created for each
>>>> platform. So pass the serial device dynamically.
>>>>
>>>> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
>>>> ---
>>>> Changes since v1:
>>>> - New patch.
>>>>   board/ti/am335x/board.c | 11 +++++++++++
>>>>   include/serial.h        |  4 ++++
>>>>   2 files changed, 15 insertions(+)
>>>>
>>>> diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
>>>> index ff52314..56f4984 100644
>>>> --- a/board/ti/am335x/board.c
>>>> +++ b/board/ti/am335x/board.c
>>>> @@ -11,6 +11,7 @@
>>>>   #include <common.h>
>>>>   #include <errno.h>
>>>>   #include <spl.h>
>>>> +#include <serial.h>
>>>>   #include <asm/arch/cpu.h>
>>>>   #include <asm/arch/hardware.h>
>>>>   #include <asm/arch/omap.h>
>>>> @@ -59,6 +60,16 @@ static inline int __maybe_unused read_eeprom(void)
>>>>   	return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
>>>>   }
>>>>
>>>> +#ifndef CONFIG_DM_SERIAL
>>>> +struct serial_device *default_serial_console(void)
>>>> +{
>>>> +	if (board_is_icev2())
>>>> +		return &eserial4_device;
>>>> +	else
>>>> +		return &eserial1_device;
>>>> +}
>>>> +#endif
>>>> +
>>>>   #ifndef CONFIG_SKIP_LOWLEVEL_INIT
>>>>   static const struct ddr_data ddr2_data = {
>>>>   	.datardsratio0 = MT47H128M16RT25E_RD_DQS,
>>>
>>> ... so in the DM case we're already handling this correctly?  Can't we
>>
>> With DM+DT we are handling it correctly which is only in U-Boot.
>> This part of code is meant for only SPL(DM_* is not yet enabled in
>> SPL).
>
> ... aren't we in the middle of doing this conversion 'tho?

hmm... I don't think this conversion for SPL has been done.

Thanks and regards,
Lokesh
>