text: /* SPDX-License-Identifier: GPL-2.0+ */
  /*
   * (C) Copyright 2002-2010
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   */
  
  #ifndef	__ASM_GBL_DATA_H
  #define __ASM_GBL_DATA_H
  
  /* Architecture-specific global data */
  struct arch_global_data {
  #if defined(CONFIG_FSL_ESDHC)
  	u32 sdhc_clk;
  #endif
  
  #if defined(CONFIG_U_QE)
  	u32 qe_clk;
  	u32 brg_clk;
  	uint mp_alloc_base;
  	uint mp_alloc_top;
  #endif /* CONFIG_U_QE */
  
  #ifdef CONFIG_AT91FAMILY
  	/* "static data" needed by at91's clock.c */
  	unsigned long	cpu_clk_rate_hz;
  	unsigned long	main_clk_rate_hz;
  	unsigned long	mck_rate_hz;
  	unsigned long	plla_rate_hz;
  	unsigned long	pllb_rate_hz;
  	unsigned long	at91_pllb_usb_init;
  #endif
  	/* "static data" needed by most of timer.c on ARM platforms */
  	unsigned long timer_rate_hz;
  	unsigned int tbu;
  	unsigned int tbl;
  	unsigned long lastinc;
  	unsigned long long timer_reset_value;
  #if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
  	unsigned long tlb_addr;
  	unsigned long tlb_size;
  #if defined(CONFIG_ARM64)
  	unsigned long tlb_fillptr;
  	unsigned long tlb_emerg;
  #endif
  #endif
  #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
  #define MEM_RESERVE_SECURE_SECURED	0x1
  #define MEM_RESERVE_SECURE_MAINTAINED	0x2
  #define MEM_RESERVE_SECURE_ADDR_MASK	(~0x3)
  	/*
  	 * Secure memory addr
  	 * This variable needs maintenance if the RAM base is not zero,
  	 * or if RAM splits into non-consecutive banks. It also has a
  	 * flag indicating the secure memory is marked as secure by MMU.
  	 * Flags used: 0x1 secured
  	 *             0x2 maintained
  	 */
  	phys_addr_t secure_ram;
  	unsigned long tlb_allocated;
  #endif
  #ifdef CONFIG_RESV_RAM
  	/*
  	 * Reserved RAM for memory resident, eg. Management Complex (MC)
  	 * driver which continues to run after U-Boot exits.
  	 */
  	phys_addr_t resv_ram;
  #endif
  
  #ifdef CONFIG_ARCH_OMAP2PLUS
  	u32 omap_boot_device;
  	u32 omap_boot_mode;
  	u8 omap_ch_flags;
  #endif
  #if defined(CONFIG_FSL_LSCH3) && defined(CONFIG_SYS_FSL_HAS_DP_DDR)
  	unsigned long mem2_clk;
  #endif
  
  #ifdef CONFIG_ARCH_IMX8
  	struct udevice *scu_dev;
  #endif
  };
  
  #include <asm-generic/global_data.h>
  
  #ifdef __clang__
  
  #define DECLARE_GLOBAL_DATA_PTR
  #define gd	get_gd()
  
  static inline gd_t *get_gd(void)
  {
  	gd_t *gd_ptr;
  
  #ifdef CONFIG_ARM64
  	/*
  	 * Make will already error that reserving x18 is not supported at the
  	 * time of writing, clang: error: unknown argument: '-ffixed-x18'
  	 */
  	__asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr));
  #else
  	__asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr));
  #endif
  
  	return gd_ptr;
  }
  
  #else
  
  #ifdef CONFIG_ARM64
  #define DECLARE_GLOBAL_DATA_PTR		register volatile gd_t *gd asm ("x18")
  #else
  #define DECLARE_GLOBAL_DATA_PTR		register volatile gd_t *gd asm ("r9")
  #endif
  #endif
  
  #endif /* __ASM_GBL_DATA_H */
  