arch/arm/mach-bcm/brcmstb.c

   1 /*
   2  * Copyright (C) 2013-2014 Broadcom Corporation
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation version 2.
   7  *
   8  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
   9  * kind, whether express or implied; without even the implied warranty
  10  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #include <linux/init.h>
  15 #include <linux/irqchip.h>
  16 #include <linux/of_platform.h>
  17
  18 #include <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20
  21 /*
  22  * Storage for debug-macro.S's state.
  23  *
  24  * This must be in .data not .bss so that it gets initialized each time the
  25  * kernel is loaded. The data is declared here rather than debug-macro.S so
  26  * that multiple inclusions of debug-macro.S point at the same data.
  27  */
  28 u32 brcmstb_uart_config[3] = {
  29         /* Debug UART initialization required */
  30         1,
  31         /* Debug UART physical address */
  32         0,
  33         /* Debug UART virtual address */
  34         0,
  35 };
  36
  37 static void __init brcmstb_init_irq(void)
  38 {
  39         irqchip_init();
  40 }
  41
  42 static const char *const brcmstb_match[] __initconst = {
  43         "brcm,bcm7445",
  44         "brcm,brcmstb",
  45         NULL
  46 };
  47
  48 DT_MACHINE_START(BRCMSTB, "Broadcom STB (Flattened Device Tree)")
  49         .dt_compat      = brcmstb_match,
  50         .init_irq       = brcmstb_init_irq,
  51 MACHINE_END