diff options
Diffstat (limited to 'arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h')
| -rw-r--r-- | arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h | 63 |
1 files changed, 36 insertions, 27 deletions
diff --git a/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h b/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h index 3296a2b..3ae1b66 100644 --- a/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h +++ b/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h @@ -18,14 +18,30 @@ #include "fsp_bootmode.h" #include "fsp_vpd.h" -struct shared_data_t { - struct fsp_header_t *fsp_hdr; +struct shared_data { + struct fsp_header *fsp_hdr; u32 *stack_top; - struct upd_region_t fsp_upd; + struct upd_region fsp_upd; }; +#define FSP_LOWMEM_BASE 0x100000UL +#define FSP_HIGHMEM_BASE 0x100000000ULL + +/** + * FSP Continuation assembly helper routine + * + * This routine jumps to the C version of FSP continuation function + */ void asm_continuation(void); +/** + * FSP initialization complete + * + * This is the function that indicates FSP initialization is complete and jumps + * back to the bootloader with HOB list pointer as the parameter. + * + * @hob_list: HOB list pointer + */ void fsp_init_done(void *hob_list); /** @@ -37,19 +53,12 @@ void fsp_init_done(void *hob_list); * * @retval: Never returns */ -void fsp_continue(struct shared_data_t *shared_data, u32 status, +void fsp_continue(struct shared_data *shared_data, u32 status, void *hob_list); /** * Find FSP header offset in FSP image * - * If this function is called before the a stack is established, special care - * must be taken. First, it cannot declare any local variable using stack. - * Only register variable can be used here. Secondly, some compiler version - * will add prolog or epilog code for the C function. If so the function call - * may not work before stack is ready. GCC 4.8.1 has been verified to be - * working for the following code. - * * @retval: the offset of FSP header. If signature is invalid, returns 0. */ u32 find_fsp_header(void); @@ -67,11 +76,11 @@ void fsp_init(u32 stack_top, u32 boot_mode, void *nvs_buf); * FSP notification wrapper function * * @fsp_hdr: Pointer to FSP information header - * @phase: FSP initialization phase defined in enum fsp_phase_t + * @phase: FSP initialization phase defined in enum fsp_phase * * @retval: compatible status code with EFI_STATUS defined in PI spec */ -u32 fsp_notify(struct fsp_header_t *fsp_hdr, u32 phase); +u32 fsp_notify(struct fsp_header *fsp_hdr, u32 phase); /** * This function retrieves the top of usable low memory. @@ -80,7 +89,7 @@ u32 fsp_notify(struct fsp_header_t *fsp_hdr, u32 phase); * * @retval: Usable low memory top. */ -u32 get_usable_lowmem_top(const void *hob_list); +u32 fsp_get_usable_lowmem_top(const void *hob_list); /** * This function retrieves the top of usable high memory. @@ -89,7 +98,7 @@ u32 get_usable_lowmem_top(const void *hob_list); * * @retval: Usable high memory top. */ -u64 get_usable_highmem_top(const void *hob_list); +u64 fsp_get_usable_highmem_top(const void *hob_list); /** * This function retrieves a special reserved memory region. @@ -102,8 +111,8 @@ u64 get_usable_highmem_top(const void *hob_list); * @retval: Reserved region start address. * 0 if this region does not exist. */ -u64 get_fsp_reserved_mem_from_guid(const void *hob_list, - u64 *len, struct efi_guid_t *guid); +u64 fsp_get_reserved_mem_from_guid(const void *hob_list, + u64 *len, struct efi_guid *guid); /** * This function retrieves the FSP reserved normal memory. @@ -114,7 +123,7 @@ u64 get_fsp_reserved_mem_from_guid(const void *hob_list, * @retval: FSP reserved memory base * 0 if this region does not exist. */ -u32 get_fsp_reserved_mem(const void *hob_list, u32 *len); +u32 fsp_get_fsp_reserved_mem(const void *hob_list, u32 *len); /** * This function retrieves the TSEG reserved normal memory. @@ -126,7 +135,7 @@ u32 get_fsp_reserved_mem(const void *hob_list, u32 *len); * @retval NULL: Failed to find the TSEG reserved memory. * @retval others: TSEG reserved memory base. */ -u32 get_tseg_reserved_mem(const void *hob_list, u32 *len); +u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len); /** * Returns the next instance of a HOB type from the starting HOB. @@ -136,7 +145,7 @@ u32 get_tseg_reserved_mem(const void *hob_list, u32 *len); * * @retval: A HOB object with matching type; Otherwise NULL. */ -void *get_next_hob(u16 type, const void *hob_list); +void *fsp_get_next_hob(u16 type, const void *hob_list); /** * Returns the next instance of the matched GUID HOB from the starting HOB. @@ -146,7 +155,7 @@ void *get_next_hob(u16 type, const void *hob_list); * * @retval: A HOB object with matching GUID; Otherwise NULL. */ -void *get_next_guid_hob(const struct efi_guid_t *guid, const void *hob_list); +void *fsp_get_next_guid_hob(const struct efi_guid *guid, const void *hob_list); /** * This function retrieves a GUID HOB data buffer and size. @@ -159,8 +168,8 @@ void *get_next_guid_hob(const struct efi_guid_t *guid, const void *hob_list); * @retval NULL: Failed to find the GUID HOB. * @retval others: GUID HOB data buffer pointer. */ -void *get_guid_hob_data(const void *hob_list, u32 *len, - struct efi_guid_t *guid); +void *fsp_get_guid_hob_data(const void *hob_list, u32 *len, + struct efi_guid *guid); /** * This function retrieves FSP Non-volatile Storage HOB buffer and size. @@ -172,7 +181,7 @@ void *get_guid_hob_data(const void *hob_list, u32 *len, * @retval NULL: Failed to find the NVS HOB. * @retval others: FSP NVS data buffer pointer. */ -void *get_fsp_nvs_data(const void *hob_list, u32 *len); +void *fsp_get_nvs_data(const void *hob_list, u32 *len); /** * This function retrieves Bootloader temporary stack buffer and size. @@ -184,15 +193,15 @@ void *get_fsp_nvs_data(const void *hob_list, u32 *len); * @retval NULL: Failed to find the bootloader temporary stack HOB. * @retval others: Bootloader temporary stackbuffer pointer. */ -void *get_bootloader_tmp_mem(const void *hob_list, u32 *len); +void *fsp_get_bootloader_tmp_mem(const void *hob_list, u32 *len); /** * This function overrides the default configurations in the UPD data region. * - * @fsp_upd: A pointer to the upd_region_t data strcture + * @fsp_upd: A pointer to the upd_region data strcture * * @return: None */ -void update_fsp_upd(struct upd_region_t *fsp_upd); +void update_fsp_upd(struct upd_region *fsp_upd); #endif |