[PATCH] mach-ux500: add devicetree compat nodes
Rob Herring
robherring2 at gmail.com
Fri Nov 11 11:13:26 EST 2011
On 11/11/2011 09:59 AM, Linus Walleij wrote:
> On Fri, Nov 11, 2011 at 4:17 PM, Rob Herring <robherring2 at gmail.com> wrote:
>
>>> MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
>>> /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar at stericsson.com> */
>>> .boot_params = 0x100,
>>> @@ -651,6 +666,7 @@ MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
>>> /* we re-use nomadik timer here */
>>> .timer = &ux500_timer,
>>> .init_machine = mop500_init_machine,
>>> + .dt_compat = mop500_dt_board_compat,
>>> MACHINE_END
>>>
>>> MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
>>> @@ -659,6 +675,7 @@ MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
>>> .init_irq = ux500_init_irq,
>>> .timer = &ux500_timer,
>>> .init_machine = mop500_init_machine,
>>> + .dt_compat = hrefv60_dt_board_compat,
>>> MACHINE_END
>>>
>>> MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
>>> @@ -668,4 +685,5 @@ MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
>>> /* we re-use nomadik timer here */
>>> .timer = &ux500_timer,
>>> .init_machine = mop500_init_machine,
>>> + .dt_compat = snowball_dt_board_compat,
>>> MACHINE_END
>>
>> These all look very similar and should be combined. Why do you not have
>> 1 machine for all DT platforms as other SOCs are doing?
>
> This needs to be rebased for the latest kernel.
> Which looks like this:
>
> MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
> /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar at stericsson.com> */
> .atag_offset = 0x100,
> .map_io = u8500_map_io,
> .init_irq = ux500_init_irq,
> /* we re-use nomadik timer here */
> .timer = &ux500_timer,
> .init_machine = mop500_init_machine,
> MACHINE_END
>
> MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
> .atag_offset = 0x100,
> .map_io = u8500_map_io,
> .init_irq = ux500_init_irq,
> .timer = &ux500_timer,
> .init_machine = hrefv60_init_machine,
> MACHINE_END
>
> MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
> .atag_offset = 0x100,
> .map_io = u8500_map_io,
> .init_irq = ux500_init_irq,
> /* we re-use nomadik timer here */
> .timer = &ux500_timer,
> .init_machine = snowball_init_machine,
> MACHINE_END
>
> So - different .init_machine() calls, needed to simplify the board
> files as of now. (Patch from Lee Jones.)
>
But ultimately I would expect that the init_machine calls to be the same
with a DT based machine. This goes back to do we add DT to existing
boards or create a new clean DT machine and add to it as boards are
converted?
Rob
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