+/* SPDX-License-Identifier: BSD-3-Clause */
/*
* This file is part of the libpayload project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef _COREBOOT_TABLES_H
#define _COREBOOT_TABLES_H
-#include <linux/compiler.h>
+struct memory_area;
struct cbuint64 {
u32 lo;
u32 size;
};
-#define CB_TAG_UNUSED 0x0000
-#define CB_TAG_MEMORY 0x0001
+#define CB_TAG_UNUSED 0x0000
+#define CB_TAG_MEMORY 0x0001
struct cb_memory_range {
struct cbuint64 start;
u32 type;
};
-#define CB_MEM_RAM 1
-#define CB_MEM_RESERVED 2
-#define CB_MEM_ACPI 3
-#define CB_MEM_NVS 4
-#define CB_MEM_UNUSABLE 5
-#define CB_MEM_VENDOR_RSVD 6
-#define CB_MEM_TABLE 16
+#define CB_MEM_RAM 1
+#define CB_MEM_RESERVED 2
+#define CB_MEM_ACPI 3
+#define CB_MEM_NVS 4
+#define CB_MEM_UNUSABLE 5
+#define CB_MEM_VENDOR_RSVD 6
+#define CB_MEM_TABLE 16
struct cb_memory {
u32 tag;
struct cb_memory_range map[0];
};
-#define CB_TAG_HWRPB 0x0002
+#define CB_TAG_HWRPB 0x0002
struct cb_hwrpb {
u32 tag;
u64 hwrpb;
};
-#define CB_TAG_MAINBOARD 0x0003
+#define CB_TAG_MAINBOARD 0x0003
struct cb_mainboard {
u32 tag;
u8 strings[0];
};
-#define CB_TAG_VERSION 0x0004
-#define CB_TAG_EXTRA_VERSION 0x0005
-#define CB_TAG_BUILD 0x0006
-#define CB_TAG_COMPILE_TIME 0x0007
-#define CB_TAG_COMPILE_BY 0x0008
-#define CB_TAG_COMPILE_HOST 0x0009
-#define CB_TAG_COMPILE_DOMAIN 0x000a
-#define CB_TAG_COMPILER 0x000b
-#define CB_TAG_LINKER 0x000c
-#define CB_TAG_ASSEMBLER 0x000d
+#define CB_TAG_VERSION 0x0004
+#define CB_TAG_EXTRA_VERSION 0x0005
+#define CB_TAG_BUILD 0x0006
+#define CB_TAG_COMPILE_TIME 0x0007
+#define CB_TAG_COMPILE_BY 0x0008
+#define CB_TAG_COMPILE_HOST 0x0009
+#define CB_TAG_COMPILE_DOMAIN 0x000a
+#define CB_TAG_COMPILER 0x000b
+#define CB_TAG_LINKER 0x000c
+#define CB_TAG_ASSEMBLER 0x000d
struct cb_string {
u32 tag;
u8 string[0];
};
-#define CB_TAG_SERIAL 0x000f
+#define CB_TAG_SERIAL 0x000f
struct cb_serial {
u32 tag;
u32 size;
-#define CB_SERIAL_TYPE_IO_MAPPED 1
-#define CB_SERIAL_TYPE_MEMORY_MAPPED 2
+#define CB_SERIAL_TYPE_IO_MAPPED 1
+#define CB_SERIAL_TYPE_MEMORY_MAPPED 2
u32 type;
u32 baseaddr;
u32 baud;
+ u32 regwidth;
+
+ /*
+ * Crystal or input frequency to the chip containing the UART.
+ * Provide the board specific details to allow the payload to
+ * initialize the chip containing the UART and make independent
+ * decisions as to which dividers to select and their values
+ * to eventually arrive at the desired console baud-rate.
+ */
+ u32 input_hertz;
+
+ /*
+ * UART PCI address: bus, device, function
+ * 1 << 31 - Valid bit, PCI UART in use
+ * Bus << 20
+ * Device << 15
+ * Function << 12
+ */
+ u32 uart_pci_addr;
};
-#define CB_TAG_CONSOLE 0x00010
+#define CB_TAG_CONSOLE 0x0010
struct cb_console {
u32 tag;
u16 type;
};
-#define CB_TAG_CONSOLE_SERIAL8250 0
-#define CB_TAG_CONSOLE_VGA 1 /* OBSOLETE */
-#define CB_TAG_CONSOLE_BTEXT 2 /* OBSOLETE */
-#define CB_TAG_CONSOLE_LOGBUF 3
-#define CB_TAG_CONSOLE_SROM 4 /* OBSOLETE */
-#define CB_TAG_CONSOLE_EHCI 5
+#define CB_TAG_CONSOLE_SERIAL8250 0
+#define CB_TAG_CONSOLE_VGA 1 /* OBSOLETE */
+#define CB_TAG_CONSOLE_BTEXT 2 /* OBSOLETE */
+#define CB_TAG_CONSOLE_LOGBUF 3
+#define CB_TAG_CONSOLE_SROM 4 /* OBSOLETE */
+#define CB_TAG_CONSOLE_EHCI 5
-#define CB_TAG_FORWARD 0x00011
+#define CB_TAG_FORWARD 0x0011
struct cb_forward {
u32 tag;
u64 forward;
};
-#define CB_TAG_FRAMEBUFFER 0x0012
+#define CB_TAG_FRAMEBUFFER 0x0012
+
struct cb_framebuffer {
u32 tag;
u32 size;
-
u64 physical_address;
u32 x_resolution;
u32 y_resolution;
u8 reserved_mask_size;
};
-#define CB_TAG_GPIO 0x0013
-#define GPIO_MAX_NAME_LENGTH 16
+#define CB_TAG_GPIO 0x0013
+#define GPIO_MAX_NAME_LENGTH 16
+
struct cb_gpio {
u32 port;
u32 polarity;
struct cb_gpios {
u32 tag;
u32 size;
-
u32 count;
struct cb_gpio gpios[0];
};
-#define CB_TAG_FDT 0x0014
+#define CB_TAG_FDT 0x0014
+
struct cb_fdt {
uint32_t tag;
uint32_t size; /* size of the entire entry */
/* the actual FDT gets placed here */
};
-#define CB_TAG_VDAT 0x0015
+#define CB_TAG_VDAT 0x0015
+
struct cb_vdat {
uint32_t tag;
uint32_t size; /* size of the entire entry */
- void *vdat_addr;
+ void *vdat_addr;
uint32_t vdat_size;
};
-#define CB_TAG_TIMESTAMPS 0x0016
-#define CB_TAG_CBMEM_CONSOLE 0x0017
-#define CB_TAG_MRC_CACHE 0x0018
+#define CB_TAG_TIMESTAMPS 0x0016
+#define CB_TAG_CBMEM_CONSOLE 0x0017
+#define CB_TAG_MRC_CACHE 0x0018
+
struct cb_cbmem_tab {
uint32_t tag;
uint32_t size;
- void *cbmem_tab;
+ void *cbmem_tab;
};
-#define CB_TAG_VBNV 0x0019
+#define CB_TAG_VBNV 0x0019
+
struct cb_vbnv {
uint32_t tag;
uint32_t size;
uint32_t vbnv_size;
};
-#define CB_TAG_CMOS_OPTION_TABLE 0x00c8
+#define CB_TAG_CBMEM_ENTRY 0x0031
+#define CBMEM_ID_SMBIOS 0x534d4254
+
+struct cb_cbmem_entry {
+ uint32_t tag;
+ uint32_t size;
+ uint64_t address;
+ uint32_t entry_size;
+ uint32_t id;
+};
+
+#define CB_TAG_CMOS_OPTION_TABLE 0x00c8
+
struct cb_cmos_option_table {
u32 tag;
u32 size;
u32 header_length;
};
-#define CB_TAG_OPTION 0x00c9
-#define CMOS_MAX_NAME_LENGTH 32
+#define CB_TAG_OPTION 0x00c9
+
+#define CMOS_MAX_NAME_LENGTH 32
+
struct cb_cmos_entries {
u32 tag;
u32 size;
u8 name[CMOS_MAX_NAME_LENGTH];
};
+#define CB_TAG_OPTION_ENUM 0x00ca
+#define CMOS_MAX_TEXT_LENGTH 32
-#define CB_TAG_OPTION_ENUM 0x00ca
-#define CMOS_MAX_TEXT_LENGTH 32
struct cb_cmos_enums {
u32 tag;
u32 size;
u8 text[CMOS_MAX_TEXT_LENGTH];
};
-#define CB_TAG_OPTION_DEFAULTS 0x00cb
-#define CMOS_IMAGE_BUFFER_SIZE 128
+#define CB_TAG_OPTION_DEFAULTS 0x00cb
+#define CMOS_IMAGE_BUFFER_SIZE 128
+
struct cb_cmos_defaults {
u32 tag;
u32 size;
u8 default_set[CMOS_IMAGE_BUFFER_SIZE];
};
-#define CB_TAG_OPTION_CHECKSUM 0x00cc
-#define CHECKSUM_NONE 0
-#define CHECKSUM_PCBIOS 1
+#define CB_TAG_OPTION_CHECKSUM 0x00cc
+#define CHECKSUM_NONE 0
+#define CHECKSUM_PCBIOS 1
+
struct cb_cmos_checksum {
u32 tag;
u32 size;
#define UNPACK_CB64(_in) \
((((u64) _in.hi) << 32) | _in.lo)
-struct sysinfo_t;
-
-int get_coreboot_info(struct sysinfo_t *info);
-
-#define CBMEM_TOC_RESERVED 512
-#define MAX_CBMEM_ENTRIES 16
-#define CBMEM_MAGIC 0x434f5245
+#define CBMEM_TOC_RESERVED 512
+#define MAX_CBMEM_ENTRIES 16
+#define CBMEM_MAGIC 0x434f5245
struct cbmem_entry {
u32 magic;
u64 size;
} __packed;
-#define CBMEM_ID_FREESPACE 0x46524545
-#define CBMEM_ID_GDT 0x4c474454
-#define CBMEM_ID_ACPI 0x41435049
-#define CBMEM_ID_CBTABLE 0x43425442
-#define CBMEM_ID_PIRQ 0x49525154
-#define CBMEM_ID_MPTABLE 0x534d5054
-#define CBMEM_ID_RESUME 0x5245534d
-#define CBMEM_ID_RESUME_SCRATCH 0x52455343
-#define CBMEM_ID_SMBIOS 0x534d4254
-#define CBMEM_ID_TIMESTAMP 0x54494d45
-#define CBMEM_ID_MRCDATA 0x4d524344
-#define CBMEM_ID_CONSOLE 0x434f4e53
-#define CBMEM_ID_NONE 0x00000000
+#define CBMEM_ID_FREESPACE 0x46524545
+#define CBMEM_ID_GDT 0x4c474454
+#define CBMEM_ID_ACPI 0x41435049
+#define CBMEM_ID_CBTABLE 0x43425442
+#define CBMEM_ID_PIRQ 0x49525154
+#define CBMEM_ID_MPTABLE 0x534d5054
+#define CBMEM_ID_RESUME 0x5245534d
+#define CBMEM_ID_RESUME_SCRATCH 0x52455343
+#define CBMEM_ID_SMBIOS 0x534d4254
+#define CBMEM_ID_TIMESTAMP 0x54494d45
+#define CBMEM_ID_MRCDATA 0x4d524344
+#define CBMEM_ID_CONSOLE 0x434f4e53
+#define CBMEM_ID_NONE 0x00000000
+
+/**
+ * high_table_reserve() - reserve configuration table in high memory
+ *
+ * This reserves configuration table in high memory.
+ *
+ * @return: always 0
+ */
+int high_table_reserve(void);
+
+/**
+ * high_table_malloc() - allocate configuration table in high memory
+ *
+ * This allocates configuration table in high memory.
+ *
+ * @bytes: size of configuration table to be allocated
+ * @return: pointer to configuration table in high memory
+ */
+void *high_table_malloc(size_t bytes);
+
+/**
+ * write_coreboot_table() - write coreboot table
+ *
+ * This writes coreboot table at a given address.
+ *
+ * @addr: start address to write coreboot table
+ * @cfg_tables: pointer to configuration table memory area
+ */
+void write_coreboot_table(u32 addr, struct memory_area *cfg_tables);
+
+/**
+ * locate_coreboot_table() - Try to find coreboot tables at standard locations
+ *
+ * @return address of table that was found, or -ve error number
+ */
+long locate_coreboot_table(void);
#endif
projects / oweals / u-boot.git / blobdiff