[PATCH] arm: apple: Add initial Apple M2 Ultra support

[Simon Glass]

Hi,

On Wed, 6 Sept 2023 at 15:50, Janne Grunau <j at jannau.net> wrote:
>
> Apple's M2 Ultra SoC are somewhat similar to the M1 Ultra but needs
> a tweaked memory map as the M2 Pro/Max SoCs.  USB, NVMe, UART, WDT
> and PCIe are working with the existing drivers.
>
> Signed-off-by: Janne Grunau <j at jannau.net>
> ---
>  arch/arm/mach-apple/board.c | 183 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 183 insertions(+)
>
> diff --git a/arch/arm/mach-apple/board.c b/arch/arm/mach-apple/board.c
> index d50194811843..47393babbc62 100644
> --- a/arch/arm/mach-apple/board.c
> +++ b/arch/arm/mach-apple/board.c
> @@ -444,6 +444,187 @@ static struct mm_region t6020_mem_map[] = {
>         }
>  };
>
> +/* Apple M2 Ultra */
> +
> +static struct mm_region t6022_mem_map[] = {
> +       {
> +               /* I/O */
> +               .virt = 0x280000000,
> +               .phys = 0x280000000,
> +               .size = SZ_1G,
> +               .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
> +                        PTE_BLOCK_NON_SHARE |
> +                        PTE_BLOCK_PXN | PTE_BLOCK_UXN
> +       }, {

Is there no devicetree binding for this information?

[..]

Regards,
Simon