On Wed, Jan 18, 2012 at 12:43:58PM +0530, Vaibhav Hiremath wrote:
> Although we consider am33xx device under omap34xx family of devices,
> there is indeed difference between them, for example,
>
> - Initial required mapping (->map_io)
> - Early init (->init_early)
> Here, the whole sequence/data is different than omap3,
> For example, clock/hwmod/power/voltage data.
> - clock event/source timer (name and instances)
>
> So, this patch adds seperate machine descriptor for AM33XX family
> of devices in board-generic.c file.
>
> Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
> CC: Benoit Cousson <b-cousson@xxxxxx>
> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> Tested it on AM335x-EVM, AM37xEVM and AM3517EVM.
>
> arch/arm/mach-omap2/board-generic.c | 19 +++++++++++++++++++
> 1 files changed, 19 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
> index f7b4b24..2faecc8 100644
> --- a/arch/arm/mach-omap2/board-generic.c
> +++ b/arch/arm/mach-omap2/board-generic.c
> @@ -106,6 +106,25 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
> MACHINE_END
> #endif
>
> +#if defined(CONFIG_SOC_OMAPAM33XX)
> +static const char *am33xx_boards_compat[] __initdata = {
> + "ti,am33xx",
Don't forget to add the new compatible values to
Documentation/device-tree/bindings.
> + NULL,
> +};
> +
> +DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
> + .atag_offset = 0x100,
Unneeded for DT booting.
Otherwise, you can add:
Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
> + .reserve = omap_reserve,
> + .map_io = am33xx_map_io,
> + .init_early = am33xx_init_early,
> + .init_irq = omap_init_irq,
> + .handle_irq = omap3_intc_handle_irq,
> + .init_machine = omap_generic_init,
> + .timer = &omap3_am33xx_timer,
> + .dt_compat = am33xx_boards_compat,
> +MACHINE_END
> +#endif
> +
> #if defined(CONFIG_ARCH_OMAP4)
> static const char *omap4_boards_compat[] __initdata = {
> "ti,omap4",
> --
> 1.7.0.4
>
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