[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__
#include <linux/list.h>

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 */

#ifdef CONFIG_DM
	struct udevice	*dm_root;	/* Root instance for Driver Model */
	struct udevice	*dm_root_f;	/* Pre-relocation root instance */
	struct list_head uclass_root;	/* Head of core tree */
#endif

	const void *fdt_blob;	/* Our device tree, NULL if none */
	void *new_fdt;		/* Relocated FDT */
	unsigned long fdt_size;	/* Space reserved for relocated FDT */
	struct jt_funcs *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
#ifdef CONFIG_SYS_I2C_MXC
	void *srdata[10];
#endif
	unsigned long timebase_h;
	unsigned long timebase_l;
#ifdef CONFIG_SYS_MALLOC_F_LEN
	unsigned long malloc_base;	/* base address of early malloc() */
	unsigned long malloc_limit;	/* limit address */
	unsigned long malloc_ptr;	/* current address */
#endif
#ifdef CONFIG_PCI
	struct pci_controller *hose;	/* PCI hose for early use */
	phys_addr_t pci_ram_top;	/* top of region accessible to PCI */
#endif
#ifdef CONFIG_PCI_BOOTDELAY
	int pcidelay_done;
#endif
	struct udevice *cur_serial_dev;	/* current serial device */
	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   */
#define GD_FLG_SERIAL_READY	0x00100	/* Pre-reloc serial console ready  */
#define GD_FLG_FULL_MALLOC_INIT	0x00200	/* Full malloc() is ready	   */
#define GD_FLG_SPL_INIT		0x00400	/* spl_init() has been called	   */

#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__
6494d708 SG	24	#include <linux/list.h>
6494d708 SG	25
50b1fa39 SG	26	typedef struct global_data {
	27	bd_t *bd;
	28	unsigned long flags;
b5bec884	29	unsigned int baudrate;
50b1fa39 SG	30	unsigned long cpu_clk; /* CPU clock in Hz! */
	31	unsigned long bus_clk;
	32	/* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
	33	unsigned long pci_clk;
	34	unsigned long mem_clk;
	35	#if defined(CONFIG_LCD) \|\| defined(CONFIG_VIDEO)
	36	unsigned long fb_base; /* Base address of framebuffer mem */
	37	#endif
	38	#if defined(CONFIG_POST) \|\| defined(CONFIG_LOGBUFFER)
	39	unsigned long post_log_word; /* Record POST activities */
	40	unsigned long post_log_res; /* success of POST test */
	41	unsigned long post_init_f_time; /* When post_init_f started */
	42	#endif
	43	#ifdef CONFIG_BOARD_TYPES
	44	unsigned long board_type;
	45	#endif
	46	unsigned long have_console; /* serial_init() was called */
	47	#ifdef CONFIG_PRE_CONSOLE_BUFFER
	48	unsigned long precon_buf_idx; /* Pre-Console buffer index */
	49	#endif
	50	#ifdef CONFIG_MODEM_SUPPORT
	51	unsigned long do_mdm_init;
	52	unsigned long be_quiet;
	53	#endif
	54	unsigned long env_addr; /* Address of Environment struct */
	55	unsigned long env_valid; /* Checksum of Environment valid? */
	56
50b1fa39 SG	57	unsigned long ram_top; /* Top address of RAM used by U-Boot */
	58
	59	unsigned long relocaddr; /* Start address of U-Boot in RAM */
	60	phys_size_t ram_size; /* RAM size */
	61	unsigned long mon_len; /* monitor len */
	62	unsigned long irq_sp; /* irq stack pointer */
	63	unsigned long start_addr_sp; /* start_addr_stackpointer */
	64	unsigned long reloc_off;
	65	struct global_data new_gd; / relocated global data */
6494d708 SG	66
6494d708 SG	67	#ifdef CONFIG_DM
ab7cd627 SG	68	struct udevice dm_root; / Root instance for Driver Model */
ab7cd627 SG	69	struct udevice dm_root_f; / Pre-relocation root instance */
6494d708 SG	70	struct list_head uclass_root; /* Head of core tree */
	71	#endif
	72
50b1fa39	73	const void fdt_blob; / Our device tree, NULL if none */
1938f4a5 SG	74	void new_fdt; / Relocated FDT */
1938f4a5 SG	75	unsigned long fdt_size; /* Space reserved for relocated FDT */
49cad547	76	struct jt_funcs jt; / jump table */
50b1fa39	77	char env_buf[32]; /* buffer for getenv() before reloc. */
71c52dba SG	78	#ifdef CONFIG_TRACE
71c52dba SG	79	void trace_buff; / The trace buffer */
385c9ef5 HS	80	#endif
	81	#if defined(CONFIG_SYS_I2C)
	82	int cur_i2c_bus; /* current used i2c bus */
dec1861b YS	83	#endif
	84	#ifdef CONFIG_SYS_I2C_MXC
	85	void *srdata[10];
71c52dba	86	#endif
8dfafdde RH	87	unsigned long timebase_h;
8dfafdde RH	88	unsigned long timebase_l;
d59476b6 SG	89	#ifdef CONFIG_SYS_MALLOC_F_LEN
	90	unsigned long malloc_base; /* base address of early malloc() */
	91	unsigned long malloc_limit; /* limit address */
	92	unsigned long malloc_ptr; /* current address */
8f9052fd BM	93	#endif
	94	#ifdef CONFIG_PCI
	95	struct pci_controller hose; / PCI hose for early use */
b9da5086	96	phys_addr_t pci_ram_top; /* top of region accessible to PCI */
8f9052fd BM	97	#endif
	98	#ifdef CONFIG_PCI_BOOTDELAY
	99	int pcidelay_done;
d59476b6	100	#endif
469a579d	101	struct udevice cur_serial_dev; / current serial device */
50b1fa39 SG	102	struct arch_global_data arch; /* architecture-specific data */
	103	} gd_t;
	104	#endif
	105
	106	/*
	107	* Global Data Flags
	108	*/
	109	#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
	110	#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
	111	#define GD_FLG_SILENT 0x00004 /* Silent mode */
	112	#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
	113	#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
	114	#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
	115	#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
	116	#define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */
093f79ab	117	#define GD_FLG_SERIAL_READY 0x00100 /* Pre-reloc serial console ready */
c9356be3	118	#define GD_FLG_FULL_MALLOC_INIT 0x00200 /* Full malloc() is ready */
070d00b8	119	#define GD_FLG_SPL_INIT 0x00400 /* spl_init() has been called */
50b1fa39 SG	120
50b1fa39 SG	121	#endif /* __ASM_GENERIC_GBL_DATA_H */