linux/arch/arm/include/debug/ux500.S
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Debugging macro include header
   4 *
   5 *  Copyright (C) 2009 ST-Ericsson
   6 */
   7
   8
   9#if CONFIG_UX500_DEBUG_UART > 2
  10#error Invalid Ux500 debug UART
  11#endif
  12
  13/*
  14 * DEBUG_LL only works if only one SOC is built in.  We don't use #else below
  15 * in order to get "__UX500_UART redefined" warnings if more than one SOC is
  16 * built, so that there's some hint during the build that something is wrong.
  17 */
  18
  19#ifdef CONFIG_UX500_SOC_DB8500
  20#define U8500_UART0_PHYS_BASE   (0x80120000)
  21#define U8500_UART1_PHYS_BASE   (0x80121000)
  22#define U8500_UART2_PHYS_BASE   (0x80007000)
  23#define __UX500_PHYS_UART(n)    U8500_UART##n##_PHYS_BASE
  24#endif
  25
  26#if !defined(__UX500_PHYS_UART)
  27#error Unknown SOC
  28#endif
  29
  30#define UX500_PHYS_UART(n)      __UX500_PHYS_UART(n)
  31#define UART_PHYS_BASE  UX500_PHYS_UART(CONFIG_UX500_DEBUG_UART)
  32#define UART_VIRT_BASE  (0xfff07000)
  33
  34        .macro  addruart, rp, rv, tmp
  35        ldr     \rp, =UART_PHYS_BASE            @ no, physical address
  36        ldr     \rv, =UART_VIRT_BASE            @ yes, virtual address
  37        .endm
  38
  39#include <debug/pl01x.S>
  40