LXR uboot/arch/riscv/include/asm/global

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * (C) Copyright 2002
   4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5 *
   6 * Copyright (c) 2017 Microsemi Corporation.
   7 * Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com>
   8 */
   9
  10#ifndef __ASM_GBL_DATA_H
  11#define __ASM_GBL_DATA_H
  12
  13#include <asm/smp.h>
  14#include <asm/u-boot.h>
  15#include <compiler.h>
  16
  17/* Architecture-specific global data */
  18struct arch_global_data {
  19        long boot_hart;         /* boot hart id */
  20        phys_addr_t firmware_fdt_addr;
  21#if CONFIG_IS_ENABLED(SIFIVE_CLINT)
  22        void __iomem *clint;    /* clint base address */
  23#endif
  24#ifdef CONFIG_ANDES_PLIC
  25        void __iomem *plic;     /* plic base address */
  26#endif
  27#if CONFIG_IS_ENABLED(SMP)
  28        struct ipi_data ipi[CONFIG_NR_CPUS];
  29#endif
  30#ifndef CONFIG_XIP
  31        ulong available_harts;
  32#endif
  33};
  34
  35#include <asm-generic/global_data.h>
  36
  37#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("gp")
  38
  39static inline void set_gd(volatile gd_t *gd_ptr)
  40{
  41#ifdef CONFIG_64BIT
  42        asm volatile("ld gp, %0\n" : : "m"(gd_ptr));
  43#else
  44        asm volatile("lw gp, %0\n" : : "m"(gd_ptr));
  45#endif
  46}
  47
  48#endif /* __ASM_GBL_DATA_H */
  49