X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Fglobal_data.h;h=bb24f33d0d8816c089ba344d332ae40ed8c7002b;hb=656ae05273419c344c11466de72476455793d6b6;hp=4fc51fdc75f2ccaa09a138ae6af7984d18275c85;hpb=1902692aa0b2dcbb9351172be03c57d1e82447e4;p=oweals%2Fu-boot.git diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h index 4fc51fdc75..bb24f33d0d 100644 --- a/arch/arm/include/asm/global_data.h +++ b/arch/arm/include/asm/global_data.h @@ -2,48 +2,29 @@ * (C) Copyright 2002-2010 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __ASM_GBL_DATA_H #define __ASM_GBL_DATA_H -/* - * The following data structure is placed in some memory which is - * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or - * some locked parts of the data cache) to allow for a minimum set of - * global variables during system initialization (until we have set - * up the memory controller so that we can use RAM). - * - * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t) - */ -typedef struct global_data { - bd_t *bd; - unsigned long flags; - unsigned long baudrate; - unsigned long have_console; /* serial_init() was called */ - unsigned long env_addr; /* Address of Environment struct */ - unsigned long env_valid; /* Checksum of Environment valid? */ - unsigned long fb_base; /* base address of frame buffer */ -#ifdef CONFIG_FSL_ESDHC - unsigned long sdhc_clk; +#ifdef CONFIG_OMAP +#include #endif + +/* 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; @@ -53,42 +34,56 @@ typedef struct global_data { unsigned long pllb_rate_hz; unsigned long at91_pllb_usb_init; #endif -#ifdef CONFIG_ARM /* "static data" needed by most of timer.c on ARM platforms */ - unsigned long timer_rate_hz; - unsigned long tbl; - unsigned long tbu; - unsigned long long timer_reset_value; - unsigned long lastinc; + unsigned long timer_rate_hz; + unsigned long tbu; + unsigned long tbl; + unsigned long lastinc; + unsigned long long timer_reset_value; +#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) + unsigned long tlb_addr; + unsigned long tlb_size; +#endif + +#ifdef CONFIG_OMAP + struct omap_boot_parameters omap_boot_params; #endif -#ifdef CONFIG_IXP425 - unsigned long timestamp; +#ifdef CONFIG_FSL_LSCH3 + unsigned long mem2_clk; #endif - unsigned long relocaddr; /* Start address of U-Boot in RAM */ - phys_size_t ram_size; /* RAM size */ - unsigned long mon_len; /* monitor len */ - unsigned long irq_sp; /* irq stack pointer */ - unsigned long start_addr_sp; /* start_addr_stackpointer */ - unsigned long reloc_off; -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) - unsigned long tlb_addr; +}; + +#include + +#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 - void **jt; /* jump table */ - char env_buf[32]; /* buffer for getenv() before reloc. */ -} gd_t; -/* - * Global Data Flags - */ -#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ -#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ -#define GD_FLG_SILENT 0x00004 /* Silent mode */ -#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ -#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ -#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ -#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ -#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */ + return gd_ptr; +} -#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8") +#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 */