mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 06:00:43 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
155 lines
3.2 KiB
C
155 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
|
|
/*
|
|
* Copyright(c) 2009 Intel Corporation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _LINUX_SFI_H
|
|
#define _LINUX_SFI_H
|
|
|
|
#include <errno.h>
|
|
#include <linux/types.h>
|
|
|
|
/* Table signatures reserved by the SFI specification */
|
|
#define SFI_SIG_SYST "SYST"
|
|
#define SFI_SIG_FREQ "FREQ"
|
|
#define SFI_SIG_CPUS "CPUS"
|
|
#define SFI_SIG_MTMR "MTMR"
|
|
#define SFI_SIG_MRTC "MRTC"
|
|
#define SFI_SIG_MMAP "MMAP"
|
|
#define SFI_SIG_APIC "APIC"
|
|
#define SFI_SIG_XSDT "XSDT"
|
|
#define SFI_SIG_WAKE "WAKE"
|
|
#define SFI_SIG_DEVS "DEVS"
|
|
#define SFI_SIG_GPIO "GPIO"
|
|
|
|
#define SFI_SIGNATURE_SIZE 4
|
|
#define SFI_OEM_ID_SIZE 6
|
|
#define SFI_OEM_TABLE_ID_SIZE 8
|
|
|
|
#define SFI_NAME_LEN 16
|
|
#define SFI_TABLE_MAX_ENTRIES 16
|
|
|
|
#define SFI_GET_NUM_ENTRIES(ptable, entry_type) \
|
|
((ptable->header.len - sizeof(struct sfi_table_header)) / \
|
|
(sizeof(entry_type)))
|
|
/*
|
|
* Table structures must be byte-packed to match the SFI specification,
|
|
* as they are provided by the BIOS.
|
|
*/
|
|
struct __packed sfi_table_header {
|
|
char sig[SFI_SIGNATURE_SIZE];
|
|
u32 len;
|
|
u8 rev;
|
|
u8 csum;
|
|
char oem_id[SFI_OEM_ID_SIZE];
|
|
char oem_table_id[SFI_OEM_TABLE_ID_SIZE];
|
|
};
|
|
|
|
struct __packed sfi_table_simple {
|
|
struct sfi_table_header header;
|
|
u64 pentry[1];
|
|
};
|
|
|
|
/* Comply with UEFI spec 2.1 */
|
|
struct __packed sfi_mem_entry {
|
|
u32 type;
|
|
u64 phys_start;
|
|
u64 virt_start;
|
|
u64 pages;
|
|
u64 attrib;
|
|
};
|
|
|
|
/* Memory type definitions */
|
|
enum sfi_mem_type {
|
|
SFI_MEM_RESERVED,
|
|
SFI_LOADER_CODE,
|
|
SFI_LOADER_DATA,
|
|
SFI_BOOT_SERVICE_CODE,
|
|
SFI_BOOT_SERVICE_DATA,
|
|
SFI_RUNTIME_SERVICE_CODE,
|
|
SFI_RUNTIME_SERVICE_DATA,
|
|
SFI_MEM_CONV,
|
|
SFI_MEM_UNUSABLE,
|
|
SFI_ACPI_RECLAIM,
|
|
SFI_ACPI_NVS,
|
|
SFI_MEM_MMIO,
|
|
SFI_MEM_IOPORT,
|
|
SFI_PAL_CODE,
|
|
SFI_MEM_TYPEMAX,
|
|
};
|
|
|
|
struct __packed sfi_cpu_table_entry {
|
|
u32 apic_id;
|
|
};
|
|
|
|
struct __packed sfi_cstate_table_entry {
|
|
u32 hint; /* MWAIT hint */
|
|
u32 latency; /* latency in ms */
|
|
};
|
|
|
|
struct __packed sfi_apic_table_entry {
|
|
u64 phys_addr; /* phy base addr for APIC reg */
|
|
};
|
|
|
|
struct __packed sfi_freq_table_entry {
|
|
u32 freq_mhz; /* in MHZ */
|
|
u32 latency; /* transition latency in ms */
|
|
u32 ctrl_val; /* value to write to PERF_CTL */
|
|
};
|
|
|
|
struct __packed sfi_wake_table_entry {
|
|
u64 phys_addr; /* pointer to where the wake vector locates */
|
|
};
|
|
|
|
struct __packed sfi_timer_table_entry {
|
|
u64 phys_addr; /* phy base addr for the timer */
|
|
u32 freq_hz; /* in HZ */
|
|
u32 irq;
|
|
};
|
|
|
|
struct __packed sfi_rtc_table_entry {
|
|
u64 phys_addr; /* phy base addr for the RTC */
|
|
u32 irq;
|
|
};
|
|
|
|
struct __packed sfi_device_table_entry {
|
|
u8 type; /* bus type, I2C, SPI or ...*/
|
|
u8 host_num; /* attached to host 0, 1...*/
|
|
u16 addr;
|
|
u8 irq;
|
|
u32 max_freq;
|
|
char name[SFI_NAME_LEN];
|
|
};
|
|
|
|
enum {
|
|
SFI_DEV_TYPE_SPI = 0,
|
|
SFI_DEV_TYPE_I2C,
|
|
SFI_DEV_TYPE_UART,
|
|
SFI_DEV_TYPE_HSI,
|
|
SFI_DEV_TYPE_IPC,
|
|
SFI_DEV_TYPE_SD,
|
|
};
|
|
|
|
struct __packed sfi_gpio_table_entry {
|
|
char controller_name[SFI_NAME_LEN];
|
|
u16 pin_no;
|
|
char pin_name[SFI_NAME_LEN];
|
|
};
|
|
|
|
struct sfi_xsdt_header {
|
|
uint32_t oem_revision;
|
|
uint32_t creator_id;
|
|
uint32_t creator_revision;
|
|
};
|
|
|
|
typedef int (*sfi_table_handler) (struct sfi_table_header *table);
|
|
|
|
/**
|
|
* write_sfi_table() - Write Simple Firmware Interface tables
|
|
*
|
|
* @base: Address to write table to
|
|
* Return: address to use for the next table
|
|
*/
|
|
ulong write_sfi_table(ulong base);
|
|
|
|
#endif /*_LINUX_SFI_H */
|