1819833afSPeter Tyser /* 291a76751SWolfgang Denk * (C) Copyright 2002-2010 3819833afSPeter Tyser * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4819833afSPeter Tyser * 51a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 6819833afSPeter Tyser */ 7819833afSPeter Tyser 8819833afSPeter Tyser #ifndef __ASM_GBL_DATA_H 9819833afSPeter Tyser #define __ASM_GBL_DATA_H 105cb48582SSimon Glass 11fda06812SSRICHARAN R #ifdef CONFIG_OMAP 12fda06812SSRICHARAN R #include <asm/omap_boot.h> 13fda06812SSRICHARAN R #endif 14fda06812SSRICHARAN R 155cb48582SSimon Glass /* Architecture-specific global data */ 165cb48582SSimon Glass struct arch_global_data { 17e9adeca3SSimon Glass #if defined(CONFIG_FSL_ESDHC) 18e9adeca3SSimon Glass u32 sdhc_clk; 19e9adeca3SSimon Glass #endif 2093d33204SZhao Qiang 2193d33204SZhao Qiang #if defined(CONFIG_U_QE) 2293d33204SZhao Qiang u32 qe_clk; 2393d33204SZhao Qiang u32 brg_clk; 2493d33204SZhao Qiang uint mp_alloc_base; 2593d33204SZhao Qiang uint mp_alloc_top; 2693d33204SZhao Qiang #endif /* CONFIG_U_QE */ 2793d33204SZhao Qiang 28f47e6ecdSSimon Glass #ifdef CONFIG_AT91FAMILY 29f47e6ecdSSimon Glass /* "static data" needed by at91's clock.c */ 30f47e6ecdSSimon Glass unsigned long cpu_clk_rate_hz; 31f47e6ecdSSimon Glass unsigned long main_clk_rate_hz; 32f47e6ecdSSimon Glass unsigned long mck_rate_hz; 33f47e6ecdSSimon Glass unsigned long plla_rate_hz; 34f47e6ecdSSimon Glass unsigned long pllb_rate_hz; 35f47e6ecdSSimon Glass unsigned long at91_pllb_usb_init; 36f47e6ecdSSimon Glass #endif 37b339051cSSimon Glass /* "static data" needed by most of timer.c on ARM platforms */ 38b339051cSSimon Glass unsigned long timer_rate_hz; 398ff43b03SSimon Glass unsigned long tbu; 4066ee6923SSimon Glass unsigned long tbl; 41582601daSSimon Glass unsigned long lastinc; 425f70714cSSimon Glass unsigned long long timer_reset_value; 4334fd5d25SSimon Glass #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) 4434fd5d25SSimon Glass unsigned long tlb_addr; 4534fd5d25SSimon Glass unsigned long tlb_size; 4634fd5d25SSimon Glass #endif 47fda06812SSRICHARAN R 48fda06812SSRICHARAN R #ifdef CONFIG_OMAP 49fda06812SSRICHARAN R struct omap_boot_parameters omap_boot_params; 50fda06812SSRICHARAN R #endif 51*b87e6f88SYork Sun #ifdef CONFIG_FSL_LSCH3 52*b87e6f88SYork Sun unsigned long mem2_clk; 53*b87e6f88SYork Sun #endif 545cb48582SSimon Glass }; 555cb48582SSimon Glass 56baa1e536SSimon Glass #include <asm-generic/global_data.h> 57819833afSPeter Tyser 58c65a2abbSJeroen Hofstee #ifdef __clang__ 59c65a2abbSJeroen Hofstee 60c65a2abbSJeroen Hofstee #define DECLARE_GLOBAL_DATA_PTR 61c65a2abbSJeroen Hofstee #define gd get_gd() 62c65a2abbSJeroen Hofstee 63c65a2abbSJeroen Hofstee static inline gd_t *get_gd(void) 64c65a2abbSJeroen Hofstee { 65c65a2abbSJeroen Hofstee gd_t *gd_ptr; 66c65a2abbSJeroen Hofstee 67c65a2abbSJeroen Hofstee #ifdef CONFIG_ARM64 68c65a2abbSJeroen Hofstee /* 69c65a2abbSJeroen Hofstee * Make will already error that reserving x18 is not supported at the 70c65a2abbSJeroen Hofstee * time of writing, clang: error: unknown argument: '-ffixed-x18' 71c65a2abbSJeroen Hofstee */ 72c65a2abbSJeroen Hofstee __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr)); 73c65a2abbSJeroen Hofstee #else 74c65a2abbSJeroen Hofstee __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr)); 75c65a2abbSJeroen Hofstee #endif 76c65a2abbSJeroen Hofstee 77c65a2abbSJeroen Hofstee return gd_ptr; 78c65a2abbSJeroen Hofstee } 79c65a2abbSJeroen Hofstee 80c65a2abbSJeroen Hofstee #else 81c65a2abbSJeroen Hofstee 820ae76531SDavid Feng #ifdef CONFIG_ARM64 830ae76531SDavid Feng #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18") 840ae76531SDavid Feng #else 85fe1378a9SJeroen Hofstee #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9") 860ae76531SDavid Feng #endif 87c65a2abbSJeroen Hofstee #endif 88819833afSPeter Tyser 89819833afSPeter Tyser #endif /* __ASM_GBL_DATA_H */ 90