diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/event.h | 72 | ||||
| -rw-r--r-- | include/init.h | 15 | ||||
| -rw-r--r-- | include/initcall.h | 72 |
3 files changed, 99 insertions, 60 deletions
diff --git a/include/event.h b/include/event.h index daf44bf8a83..747a9f6c654 100644 --- a/include/event.h +++ b/include/event.h @@ -32,6 +32,27 @@ enum event_t { /* Init hooks */ EVT_MISC_INIT_F, + /* + * Emitted before relocation to set up Firmware Support Package + * + * Where U-Boot relies on binary blobs to handle part of the system + * init, this event can be used to set up the blobs. This is used on + * some Intel platforms + */ + EVT_FSP_INIT_F, + + /* + * Emitted just before jumping to the main loop + * + * Some boards need to perform initialisation immediately before control + * is passed to the command-line interpreter (e.g. for init that depend + * on later phases in the init sequence). + * + * Some parts can be only initialized if all others (like Interrupts) + * are up and running (e.g. the PC-style ISA keyboard). + */ + EVT_LAST_STAGE_INIT, + /* Fpga load hook */ EVT_FPGA_LOAD, @@ -99,19 +120,48 @@ struct event { union event_data data; }; +/* Flags for event spy */ +enum evspy_flags { + EVSPYF_SIMPLE = 1 << 0, +}; + /** Function type for event handlers */ typedef int (*event_handler_t)(void *ctx, struct event *event); +/** Function type for simple event handlers */ +typedef int (*event_handler_simple_t)(void); + /** * struct evspy_info - information about an event spy * * @func: Function to call when the event is activated (must be first) * @type: Event type + * @flag: Flags for this spy * @id: Event id string */ struct evspy_info { event_handler_t func; - enum event_t type; + u8 type; + u8 flags; +#if CONFIG_IS_ENABLED(EVENT_DEBUG) + const char *id; +#endif +}; + +/** + * struct evspy_info_simple - information about an event spy + * + * THis is the 'simple' record, the only difference being the handler function + * + * @func: Function to call when the event is activated (must be first) + * @type: Event type + * @flag: Flags for this spy + * @id: Event id string + */ +struct evspy_info_simple { + event_handler_simple_t func; + u8 type; + u8 flags; #if CONFIG_IS_ENABLED(EVENT_DEBUG) const char *id; #endif @@ -119,9 +169,11 @@ struct evspy_info { /* Declare a new event spy */ #if CONFIG_IS_ENABLED(EVENT_DEBUG) -#define _ESPY_REC(_type, _func) { _func, _type, #_func, } +#define _ESPY_REC(_type, _func) { _func, _type, 0, #_func, } +#define _ESPY_REC_SIMPLE(_type, _func) { _func, _type, EVSPYF_SIMPLE, #_func, } #else #define _ESPY_REC(_type, _func) { _func, _type, } +#define _ESPY_REC_SIMPLE(_type, _func) { _func, _type, EVSPYF_SIMPLE } #endif static inline const char *event_spy_id(struct evspy_info *spy) @@ -164,10 +216,16 @@ static inline const char *event_spy_id(struct evspy_info *spy) * away the linker-list entry sometimes, e.g. with the EVT_FT_FIXUP entry in * vbe_simple.c - so for now, make it global. */ -#define EVENT_SPY(_type, _func) \ +#define EVENT_SPY_FULL(_type, _func) \ __used ll_entry_declare(struct evspy_info, _type ## _3_ ## _func, \ evspy_info) = _ESPY_REC(_type, _func) +/* Simple spy with no function arguemnts */ +#define EVENT_SPY_SIMPLE(_type, _func) \ + __used ll_entry_declare(struct evspy_info_simple, \ + _type ## _3_ ## _func, \ + evspy_info) = _ESPY_REC_SIMPLE(_type, _func) + /** * event_register - register a new spy * @@ -194,6 +252,14 @@ void event_show_spy_list(void); int event_manual_reloc(void); /** + * event_type_name() - Get the name of an event type + * + * @type: Type to check + * Return: Name of event, or "(unknown)" if not known + */ +const char *event_type_name(enum event_t type); + +/** * event_notify() - notify spies about an event * * It is possible to pass in union event_data here but that may not be diff --git a/include/init.h b/include/init.h index 3bf30476a2e..4e7fe26c200 100644 --- a/include/init.h +++ b/include/init.h @@ -58,17 +58,6 @@ int arch_cpu_init(void); int mach_cpu_init(void); /** - * arch_fsp_init() - perform firmware support package init - * - * Where U-Boot relies on binary blobs to handle part of the system init, this - * function can be used to set up the blobs. This is used on some Intel - * platforms. - * - * Return: 0 - */ -int arch_fsp_init(void); - -/** * arch_fsp_init() - perform post-relocation firmware support package init * * Where U-Boot relies on binary blobs to handle part of the system init, this @@ -281,15 +270,11 @@ void board_init_r(struct global_data *id, ulong dest_addr) __attribute__ ((noreturn)); int cpu_init_r(void); -int last_stage_init(void); int mac_read_from_eeprom(void); int set_cpu_clk_info(void); int update_flash_size(int flash_size); int arch_early_init_r(void); int misc_init_r(void); -#if defined(CONFIG_VID) -int init_func_vid(void); -#endif /* common/board_info.c */ int checkboard(void); diff --git a/include/initcall.h b/include/initcall.h index 69ce2680705..208effd8d13 100644 --- a/include/initcall.h +++ b/include/initcall.h @@ -6,52 +6,40 @@ #ifndef __INITCALL_H #define __INITCALL_H +#include <asm/types.h> +#include <event.h> + +_Static_assert(EVT_COUNT < 256, "Can only support 256 event types with 8 bits"); + +/** + * init_fnc_t - Init function + * + * Return: 0 if OK -ve on error + */ typedef int (*init_fnc_t)(void); -#include <log.h> -#ifdef CONFIG_EFI_APP -#include <efi.h> -#endif -#include <asm/global_data.h> +/* Top bit indicates that the initcall is an event */ +#define INITCALL_IS_EVENT GENMASK(BITS_PER_LONG - 1, 8) +#define INITCALL_EVENT_TYPE GENMASK(7, 0) -/* - * To enable debugging. add #define DEBUG at the top of the including file. +#define INITCALL_EVENT(_type) (void *)((_type) | INITCALL_IS_EVENT) + +/** + * initcall_run_list() - Run through a list of function calls + * + * This calls functions one after the other, stopping at the first error, or + * when NULL is obtained. * - * To find a symbol, use grep on u-boot.map + * @init_sequence: NULL-terminated init sequence to run + * Return: 0 if OK, or -ve error code from the first failure */ -static inline int initcall_run_list(const init_fnc_t init_sequence[]) -{ - const init_fnc_t *init_fnc_ptr; - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - unsigned long reloc_ofs = 0; - int ret; - - /* - * Sandbox is relocated by the OS, so symbols always appear at - * the relocated address. - */ - if (IS_ENABLED(CONFIG_SANDBOX) || (gd->flags & GD_FLG_RELOC)) - reloc_ofs = gd->reloc_off; -#ifdef CONFIG_EFI_APP - reloc_ofs = (unsigned long)image_base; -#endif - if (reloc_ofs) - debug("initcall: %p (relocated to %p)\n", - (char *)*init_fnc_ptr - reloc_ofs, - (char *)*init_fnc_ptr); - else - debug("initcall: %p\n", (char *)*init_fnc_ptr - reloc_ofs); - - ret = (*init_fnc_ptr)(); - if (ret) { - printf("initcall sequence %p failed at call %p (err=%d)\n", - init_sequence, - (char *)*init_fnc_ptr - reloc_ofs, ret); - return -1; - } - } - return 0; -} +int initcall_run_list(const init_fnc_t init_sequence[]); + +/** + * initcall_manual_reloc() - Do manual relocation on an initcall sequence + * + * @init_sequence: NULL-terminated init sequence to relocate + */ +void initcall_manual_reloc(init_fnc_t init_sequence[]); #endif |