diff options
Diffstat (limited to 'roms/u-boot/arch/riscv/include/asm/global_data.h')
| -rw-r--r-- | roms/u-boot/arch/riscv/include/asm/global_data.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/roms/u-boot/arch/riscv/include/asm/global_data.h b/roms/u-boot/arch/riscv/include/asm/global_data.h new file mode 100644 index 000000000..095484a63 --- /dev/null +++ b/roms/u-boot/arch/riscv/include/asm/global_data.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (c) 2017 Microsemi Corporation. + * Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com> + */ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H + +#include <asm/smp.h> +#include <asm/u-boot.h> +#include <compiler.h> + +/* Architecture-specific global data */ +struct arch_global_data { + long boot_hart; /* boot hart id */ + phys_addr_t firmware_fdt_addr; +#if CONFIG_IS_ENABLED(SIFIVE_CLINT) + void __iomem *clint; /* clint base address */ +#endif +#ifdef CONFIG_ANDES_PLIC + void __iomem *plic; /* plic base address */ +#endif +#if CONFIG_IS_ENABLED(SMP) + struct ipi_data ipi[CONFIG_NR_CPUS]; +#endif +#ifndef CONFIG_XIP + ulong available_harts; +#endif +}; + +#include <asm-generic/global_data.h> + +#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("gp") + +static inline void set_gd(volatile gd_t *gd_ptr) +{ +#ifdef CONFIG_64BIT + asm volatile("ld gp, %0\n" : : "m"(gd_ptr)); +#else + asm volatile("lw gp, %0\n" : : "m"(gd_ptr)); +#endif +} + +#endif /* __ASM_GBL_DATA_H */ |