* (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 wich 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).
- */
#ifndef __ASSEMBLY__
-#include <asm/u-boot.h>
+#include <asm/processor.h>
+
+enum pei_boot_mode_t {
+ PEI_BOOT_NONE = 0,
+ PEI_BOOT_SOFT_RESET,
+ PEI_BOOT_RESUME,
+
+};
-typedef struct global_data gd_t;
+struct dimm_info {
+ uint32_t dimm_size;
+ uint16_t ddr_type;
+ uint16_t ddr_frequency;
+ uint8_t rank_per_dimm;
+ uint8_t channel_num;
+ uint8_t dimm_num;
+ uint8_t bank_locator;
+ /* The 5th byte is '\0' for the end of string */
+ uint8_t serial[5];
+ /* The 19th byte is '\0' for the end of string */
+ uint8_t module_part_number[19];
+ uint16_t mod_id;
+ uint8_t mod_type;
+ uint8_t bus_width;
+} __packed;
-struct global_data {
- /* NOTE: gd_addr MUST be first member of struct global_data! */
- gd_t *gd_addr; /* Location of Global Data */
- bd_t *bd;
- unsigned long flags;
- unsigned int baudrate;
- unsigned long have_console; /* serial_init() was called */
-#ifdef CONFIG_PRE_CONSOLE_BUFFER
- unsigned long precon_buf_idx; /* Pre-Console buffer index */
+struct pei_memory_info {
+ uint8_t dimm_cnt;
+ /* Maximum num of dimm is 8 */
+ struct dimm_info dimm[8];
+} __packed;
+
+struct memory_area {
+ uint64_t start;
+ uint64_t size;
+};
+
+struct memory_info {
+ int num_areas;
+ uint64_t total_memory;
+ uint64_t total_32bit_memory;
+ struct memory_area area[CONFIG_NR_DRAM_BANKS];
+};
+
+#define MAX_MTRR_REQUESTS 8
+
+/**
+ * A request for a memory region to be set up in a particular way. These
+ * requests are processed before board_init_r() is called. They are generally
+ * optional and can be ignored with some performance impact.
+ */
+struct mtrr_request {
+ int type; /* MTRR_TYPE_... */
+ uint64_t start;
+ uint64_t size;
+};
+
+/* Architecture-specific global data */
+struct arch_global_data {
+ u64 gdt[X86_GDT_NUM_ENTRIES] __aligned(16);
+ struct global_data *gd_addr; /* Location of Global Data */
+ uint8_t x86; /* CPU family */
+ uint8_t x86_vendor; /* CPU vendor */
+ uint8_t x86_model;
+ uint8_t x86_mask;
+ uint32_t x86_device;
+ uint64_t tsc_base; /* Initial value returned by rdtsc() */
+ void *new_fdt; /* Relocated FDT */
+ uint32_t bist; /* Built-in self test value */
+ enum pei_boot_mode_t pei_boot_mode;
+ const struct pch_gpio_map *gpio_map; /* board GPIO map */
+ struct memory_info meminfo; /* Memory information */
+ struct pei_memory_info pei_meminfo; /* PEI memory information */
+#ifdef CONFIG_HAVE_FSP
+ void *hob_list; /* FSP HOB list */
#endif
- unsigned long reloc_off; /* Relocation Offset */
- unsigned long load_off; /* Load Offset */
- unsigned long env_addr; /* Address of Environment struct */
- unsigned long env_valid; /* Checksum of Environment valid? */
- unsigned long cpu_clk; /* CPU clock in Hz! */
- unsigned long bus_clk;
- unsigned long relocaddr; /* Start address of U-Boot in RAM */
- unsigned long start_addr_sp; /* start_addr_stackpointer */
- unsigned long gdt_addr; /* Location of GDT */
- phys_size_t ram_size; /* RAM size */
- unsigned long reset_status; /* reset status register at boot */
- void **jt; /* jump table */
- char env_buf[32]; /* buffer for getenv() before reloc. */
+ struct mtrr_request mtrr_req[MAX_MTRR_REQUESTS];
+ int mtrr_req_count;
+ int has_mtrr;
+ /* MRC training data to save for the next boot */
+ char *mrc_output;
+ unsigned int mrc_output_len;
+ ulong table; /* Table pointer from previous loader */
};
-static inline gd_t *get_fs_gd_ptr(void)
+#endif
+
+#include <asm-generic/global_data.h>
+
+#ifndef __ASSEMBLY__
+# ifdef CONFIG_EFI_APP
+
+#define gd global_data_ptr
+
+#define DECLARE_GLOBAL_DATA_PTR extern struct global_data *global_data_ptr
+# else
+static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void)
{
gd_t *gd_ptr;
#define gd get_fs_gd_ptr()
-#endif
+#define DECLARE_GLOBAL_DATA_PTR
+# endif
-#include <asm-generic/global_data_flags.h>
+#endif
-#define DECLARE_GLOBAL_DATA_PTR
+/*
+ * Our private Global Data Flags
+ */
+#define GD_FLG_COLD_BOOT 0x10000 /* Cold Boot */
+#define GD_FLG_WARM_BOOT 0x20000 /* Warm Boot */
#endif /* __ASM_GBL_DATA_H */
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