arch/arm/mach-bcm/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 */
   8 static 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
  17 static void __init bcmbca_map_io(void)
  18 {
  19         iotable_init(bcmbca_io_desc, ARRAY_SIZE(bcmbca_io_desc));
  20 }
  21
  22 static 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
  28 DT_MACHINE_START(BCMBCA_DT, "BCMBCA Broadband Access Processors")
  29         .map_io = bcmbca_map_io,
  30         .dt_compat = bcmbca_dt_compat,
  31 MACHINE_END