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arm: apple: Add initial Apple M2 support

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Apple's M2 SoC very similar to the M1 and can use the same memory map.
The keyboard/trackpad on the MacBook Pro (13-inch, M2, 2022) uses
"dockchannel" as transport instead of SPI and needs a new driver.
USB, NVMe, uart, framebuffer and watchdog are working with the existing
drivers.

Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
This commit is contained in:
Janne Grunau 2022-07-01 00:06:17 +02:00 committed by Mark Kettenis
parent a56a4cbd28
commit 32505f74cd
1 changed files with 3 additions and 2 deletions
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5
arch/arm/mach-apple/board.c
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@ -16,7 +16,7 @@
DECLARE_GLOBAL_DATA_PTR;
/* Apple M1 */
/* Apple M1/M2 */
static struct mm_region t8103_mem_map[] = {
{
@ -376,7 +376,8 @@ void build_mem_map(void)
fdt_size_t size;
int i;
if (of_machine_is_compatible("apple,t8103"))
if (of_machine_is_compatible("apple,t8103") ||
of_machine_is_compatible("apple,t8112"))
mem_map = t8103_mem_map;
else if (of_machine_is_compatible("apple,t6000"))
mem_map = t6000_mem_map;