[people/ms/u-boot.git] / include / asm-generic / global_data.h

/*
 * Copyright (c) 2012 The Chromium OS Authors.
 * (C) Copyright 2002-2010
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __ASM_GENERIC_GBL_DATA_H
#define __ASM_GENERIC_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)
 *
 * Each architecture has its own private fields. For now all are private
 */

#ifndef __ASSEMBLY__
typedef struct global_data {
	bd_t *bd;
	unsigned long flags;
	unsigned int baudrate;
	unsigned long cpu_clk;	/* CPU clock in Hz!		*/
	unsigned long bus_clk;
	/* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
	unsigned long pci_clk;
	unsigned long mem_clk;
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
	unsigned long fb_base;	/* Base address of framebuffer mem */
#endif
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
	unsigned long post_log_word;  /* Record POST activities */
	unsigned long post_log_res; /* success of POST test */
	unsigned long post_init_f_time;  /* When post_init_f started */
#endif
#ifdef CONFIG_BOARD_TYPES
	unsigned long board_type;
#endif
	unsigned long have_console;	/* serial_init() was called */
#ifdef CONFIG_PRE_CONSOLE_BUFFER
	unsigned long precon_buf_idx;	/* Pre-Console buffer index */
#endif
#ifdef CONFIG_MODEM_SUPPORT
	unsigned long do_mdm_init;
	unsigned long be_quiet;
#endif
	unsigned long env_addr;	/* Address  of Environment struct */
	unsigned long env_valid;	/* Checksum of Environment valid? */

	unsigned long ram_top;	/* Top address of RAM used by U-Boot */

	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;
	struct global_data *new_gd;	/* relocated global data */
	const void *fdt_blob;	/* Our device tree, NULL if none */
	void *new_fdt;		/* Relocated FDT */
	unsigned long fdt_size;	/* Space reserved for relocated FDT */
	void **jt;		/* jump table */
	char env_buf[32];	/* buffer for getenv() before reloc. */
#ifdef CONFIG_TRACE
	void		*trace_buff;	/* The trace buffer */
#endif
#if defined(CONFIG_SYS_I2C)
	int		cur_i2c_bus;	/* current used i2c bus */
#endif
	unsigned long timebase_h;
	unsigned long timebase_l;
	struct arch_global_data arch;	/* architecture-specific data */
} gd_t;
#endif

/*
 * 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	/* Env. imported into hash table   */

#endif /* __ASM_GENERIC_GBL_DATA_H */
Commit	Line	Data
50b1fa39 SG	1	/*
	2	* Copyright (c) 2012 The Chromium OS Authors.
	3	* (C) Copyright 2002-2010
	4	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	5	*
1a459660	6	* SPDX-License-Identifier: GPL-2.0+
50b1fa39 SG	7	*/
	8
	9	#ifndef __ASM_GENERIC_GBL_DATA_H
	10	#define __ASM_GENERIC_GBL_DATA_H
	11	/*
	12	* The following data structure is placed in some memory which is
	13	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	14	* some locked parts of the data cache) to allow for a minimum set of
	15	* global variables during system initialization (until we have set
	16	* up the memory controller so that we can use RAM).
	17	*
	18	* Keep it SMALL and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
	19	*
	20	* Each architecture has its own private fields. For now all are private
	21	*/
	22
	23	#ifndef __ASSEMBLY__
	24	typedef struct global_data {
	25	bd_t *bd;
	26	unsigned long flags;
b5bec884	27	unsigned int baudrate;
50b1fa39 SG	28	unsigned long cpu_clk; /* CPU clock in Hz! */
	29	unsigned long bus_clk;
	30	/* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
	31	unsigned long pci_clk;
	32	unsigned long mem_clk;
	33	#if defined(CONFIG_LCD) \|\| defined(CONFIG_VIDEO)
	34	unsigned long fb_base; /* Base address of framebuffer mem */
	35	#endif
	36	#if defined(CONFIG_POST) \|\| defined(CONFIG_LOGBUFFER)
	37	unsigned long post_log_word; /* Record POST activities */
	38	unsigned long post_log_res; /* success of POST test */
	39	unsigned long post_init_f_time; /* When post_init_f started */
	40	#endif
	41	#ifdef CONFIG_BOARD_TYPES
	42	unsigned long board_type;
	43	#endif
	44	unsigned long have_console; /* serial_init() was called */
	45	#ifdef CONFIG_PRE_CONSOLE_BUFFER
	46	unsigned long precon_buf_idx; /* Pre-Console buffer index */
	47	#endif
	48	#ifdef CONFIG_MODEM_SUPPORT
	49	unsigned long do_mdm_init;
	50	unsigned long be_quiet;
	51	#endif
	52	unsigned long env_addr; /* Address of Environment struct */
	53	unsigned long env_valid; /* Checksum of Environment valid? */
	54
50b1fa39 SG	55	unsigned long ram_top; /* Top address of RAM used by U-Boot */
	56
	57	unsigned long relocaddr; /* Start address of U-Boot in RAM */
	58	phys_size_t ram_size; /* RAM size */
	59	unsigned long mon_len; /* monitor len */
	60	unsigned long irq_sp; /* irq stack pointer */
	61	unsigned long start_addr_sp; /* start_addr_stackpointer */
	62	unsigned long reloc_off;
	63	struct global_data new_gd; / relocated global data */
	64	const void fdt_blob; / Our device tree, NULL if none */
1938f4a5 SG	65	void new_fdt; / Relocated FDT */
1938f4a5 SG	66	unsigned long fdt_size; /* Space reserved for relocated FDT */
50b1fa39 SG	67	void *jt; / jump table */
50b1fa39 SG	68	char env_buf[32]; /* buffer for getenv() before reloc. */
71c52dba SG	69	#ifdef CONFIG_TRACE
71c52dba SG	70	void trace_buff; / The trace buffer */
385c9ef5 HS	71	#endif
	72	#if defined(CONFIG_SYS_I2C)
	73	int cur_i2c_bus; /* current used i2c bus */
71c52dba	74	#endif
8dfafdde RH	75	unsigned long timebase_h;
8dfafdde RH	76	unsigned long timebase_l;
50b1fa39 SG	77	struct arch_global_data arch; /* architecture-specific data */
	78	} gd_t;
	79	#endif
	80
	81	/*
	82	* Global Data Flags
	83	*/
	84	#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
	85	#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
	86	#define GD_FLG_SILENT 0x00004 /* Silent mode */
	87	#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
	88	#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
	89	#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
	90	#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
	91	#define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */
	92
	93	#endif /* __ASM_GENERIC_GBL_DATA_H */