board_bcmbca.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2// Copyright (C) 2024 Linus Walleij <linus.walleij@linaro.org>
 3
 4#include <asm/mach/arch.h>
 5#include <asm/mach/map.h>
 6
 7/* This is needed for LL-debug/earlyprintk/debug-macro.S */
 8static struct map_desc bcmbca_io_desc[] __initdata = {
 9	{
10		.virtual = CONFIG_DEBUG_UART_VIRT,
11		.pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS),
12		.length = SZ_4K,
13		.type = MT_DEVICE,
14	},
15};
16
17static void __init bcmbca_map_io(void)
18{
19	iotable_init(bcmbca_io_desc, ARRAY_SIZE(bcmbca_io_desc));
20}
21
22static const char * const bcmbca_dt_compat[] = {
23	/* TODO: Add other BCMBCA SoCs here to get debug UART support */
24	"brcm,bcm6846",
25	NULL,
26};
27
28DT_MACHINE_START(BCMBCA_DT, "BCMBCA Broadband Access Processors")
29	.map_io = bcmbca_map_io,
30	.dt_compat = bcmbca_dt_compat,
31MACHINE_END