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 115cb48582SSimon Glass /* Architecture-specific global data */ 125cb48582SSimon Glass struct arch_global_data { 13e9adeca3SSimon Glass #if defined(CONFIG_FSL_ESDHC) 14e9adeca3SSimon Glass u32 sdhc_clk; 15e9adeca3SSimon Glass #endif 1693d33204SZhao Qiang 1793d33204SZhao Qiang #if defined(CONFIG_U_QE) 1893d33204SZhao Qiang u32 qe_clk; 1993d33204SZhao Qiang u32 brg_clk; 2093d33204SZhao Qiang uint mp_alloc_base; 2193d33204SZhao Qiang uint mp_alloc_top; 2293d33204SZhao Qiang #endif /* CONFIG_U_QE */ 2393d33204SZhao Qiang 24f47e6ecdSSimon Glass #ifdef CONFIG_AT91FAMILY 25f47e6ecdSSimon Glass /* "static data" needed by at91's clock.c */ 26f47e6ecdSSimon Glass unsigned long cpu_clk_rate_hz; 27f47e6ecdSSimon Glass unsigned long main_clk_rate_hz; 28f47e6ecdSSimon Glass unsigned long mck_rate_hz; 29f47e6ecdSSimon Glass unsigned long plla_rate_hz; 30f47e6ecdSSimon Glass unsigned long pllb_rate_hz; 31f47e6ecdSSimon Glass unsigned long at91_pllb_usb_init; 32f47e6ecdSSimon Glass #endif 33b339051cSSimon Glass /* "static data" needed by most of timer.c on ARM platforms */ 34b339051cSSimon Glass unsigned long timer_rate_hz; 358ff43b03SSimon Glass unsigned long tbu; 3666ee6923SSimon Glass unsigned long tbl; 37582601daSSimon Glass unsigned long lastinc; 385f70714cSSimon Glass unsigned long long timer_reset_value; 3934fd5d25SSimon Glass #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) 4034fd5d25SSimon Glass unsigned long tlb_addr; 4134fd5d25SSimon Glass unsigned long tlb_size; 4234fd5d25SSimon Glass #endif 43fda06812SSRICHARAN R 4460c7c30aSPaul Kocialkowski #ifdef CONFIG_OMAP_COMMON 4560c7c30aSPaul Kocialkowski u32 omap_boot_device; 4660c7c30aSPaul Kocialkowski u32 omap_boot_mode; 4760c7c30aSPaul Kocialkowski u8 omap_ch_flags; 48fda06812SSRICHARAN R #endif 49*44937214SPrabhakar Kushwaha #if defined(CONFIG_FSL_LSCH3) && defined(CONFIG_SYS_FSL_HAS_DP_DDR) 50b87e6f88SYork Sun unsigned long mem2_clk; 51b87e6f88SYork Sun #endif 525cb48582SSimon Glass }; 535cb48582SSimon Glass 54baa1e536SSimon Glass #include <asm-generic/global_data.h> 55819833afSPeter Tyser 56c65a2abbSJeroen Hofstee #ifdef __clang__ 57c65a2abbSJeroen Hofstee 58c65a2abbSJeroen Hofstee #define DECLARE_GLOBAL_DATA_PTR 59c65a2abbSJeroen Hofstee #define gd get_gd() 60c65a2abbSJeroen Hofstee 61c65a2abbSJeroen Hofstee static inline gd_t *get_gd(void) 62c65a2abbSJeroen Hofstee { 63c65a2abbSJeroen Hofstee gd_t *gd_ptr; 64c65a2abbSJeroen Hofstee 65c65a2abbSJeroen Hofstee #ifdef CONFIG_ARM64 66c65a2abbSJeroen Hofstee /* 67c65a2abbSJeroen Hofstee * Make will already error that reserving x18 is not supported at the 68c65a2abbSJeroen Hofstee * time of writing, clang: error: unknown argument: '-ffixed-x18' 69c65a2abbSJeroen Hofstee */ 70c65a2abbSJeroen Hofstee __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr)); 71c65a2abbSJeroen Hofstee #else 72c65a2abbSJeroen Hofstee __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr)); 73c65a2abbSJeroen Hofstee #endif 74c65a2abbSJeroen Hofstee 75c65a2abbSJeroen Hofstee return gd_ptr; 76c65a2abbSJeroen Hofstee } 77c65a2abbSJeroen Hofstee 78c65a2abbSJeroen Hofstee #else 79c65a2abbSJeroen Hofstee 800ae76531SDavid Feng #ifdef CONFIG_ARM64 810ae76531SDavid Feng #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18") 820ae76531SDavid Feng #else 83fe1378a9SJeroen Hofstee #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9") 840ae76531SDavid Feng #endif 85c65a2abbSJeroen Hofstee #endif 86819833afSPeter Tyser 87819833afSPeter Tyser #endif /* __ASM_GBL_DATA_H */ 88