diff options
Diffstat (limited to 'arch/x86/cpu/queensbay/fsp_support.c')
| -rw-r--r-- | arch/x86/cpu/queensbay/fsp_support.c | 95 |
1 files changed, 51 insertions, 44 deletions
diff --git a/arch/x86/cpu/queensbay/fsp_support.c b/arch/x86/cpu/queensbay/fsp_support.c index ef1916b2e7..4764e3c62f 100644 --- a/arch/x86/cpu/queensbay/fsp_support.c +++ b/arch/x86/cpu/queensbay/fsp_support.c @@ -231,26 +231,28 @@ u32 fsp_notify(struct fsp_header *fsp_hdr, u32 phase) u32 fsp_get_usable_lowmem_top(const void *hob_list) { - union hob_pointers hob; + const struct hob_header *hdr; + struct hob_res_desc *res_desc; phys_addr_t phys_start; u32 top; /* Get the HOB list for processing */ - hob.raw = (void *)hob_list; + hdr = hob_list; /* * Collect memory ranges */ top = FSP_LOWMEM_BASE; - while (!end_of_hob(hob)) { - if (get_hob_type(hob) == HOB_TYPE_RES_DESC) { - if (hob.res_desc->type == RES_SYS_MEM) { - phys_start = hob.res_desc->phys_start; + while (!end_of_hob(hdr)) { + if (get_hob_type(hdr) == HOB_TYPE_RES_DESC) { + res_desc = (struct hob_res_desc *)hdr; + if (res_desc->type == RES_SYS_MEM) { + phys_start = res_desc->phys_start; /* Need memory above 1MB to be collected here */ if (phys_start >= FSP_LOWMEM_BASE && phys_start < (phys_addr_t)FSP_HIGHMEM_BASE) - top += (u32)(hob.res_desc->len); + top += (u32)(res_desc->len); } } - hob.raw = get_next_hob(hob); + hdr = get_next_hob(hdr); } return top; @@ -258,25 +260,27 @@ u32 fsp_get_usable_lowmem_top(const void *hob_list) u64 fsp_get_usable_highmem_top(const void *hob_list) { - union hob_pointers hob; + const struct hob_header *hdr; + struct hob_res_desc *res_desc; phys_addr_t phys_start; u64 top; /* Get the HOB list for processing */ - hob.raw = (void *)hob_list; + hdr = hob_list; /* Collect memory ranges */ top = FSP_HIGHMEM_BASE; - while (!end_of_hob(hob)) { - if (get_hob_type(hob) == HOB_TYPE_RES_DESC) { - if (hob.res_desc->type == RES_SYS_MEM) { - phys_start = hob.res_desc->phys_start; + while (!end_of_hob(hdr)) { + if (get_hob_type(hdr) == HOB_TYPE_RES_DESC) { + res_desc = (struct hob_res_desc *)hdr; + if (res_desc->type == RES_SYS_MEM) { + phys_start = res_desc->phys_start; /* Need memory above 1MB to be collected here */ if (phys_start >= (phys_addr_t)FSP_HIGHMEM_BASE) - top += (u32)(hob.res_desc->len); + top += (u32)(res_desc->len); } } - hob.raw = get_next_hob(hob); + hdr = get_next_hob(hdr); } return top; @@ -285,24 +289,26 @@ u64 fsp_get_usable_highmem_top(const void *hob_list) u64 fsp_get_reserved_mem_from_guid(const void *hob_list, u64 *len, struct efi_guid *guid) { - union hob_pointers hob; + const struct hob_header *hdr; + struct hob_res_desc *res_desc; /* Get the HOB list for processing */ - hob.raw = (void *)hob_list; + hdr = hob_list; /* Collect memory ranges */ - while (!end_of_hob(hob)) { - if (get_hob_type(hob) == HOB_TYPE_RES_DESC) { - if (hob.res_desc->type == RES_MEM_RESERVED) { - if (compare_guid(&hob.res_desc->owner, guid)) { + while (!end_of_hob(hdr)) { + if (get_hob_type(hdr) == HOB_TYPE_RES_DESC) { + res_desc = (struct hob_res_desc *)hdr; + if (res_desc->type == RES_MEM_RESERVED) { + if (compare_guid(&res_desc->owner, guid)) { if (len) - *len = (u32)(hob.res_desc->len); + *len = (u32)(res_desc->len); - return (u64)(hob.res_desc->phys_start); + return (u64)(res_desc->phys_start); } } } - hob.raw = get_next_hob(hob); + hdr = get_next_hob(hdr); } return 0; @@ -336,44 +342,45 @@ u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len) return base; } -void *fsp_get_next_hob(u16 type, const void *hob_list) +const struct hob_header *fsp_get_next_hob(u16 type, const void *hob_list) { - union hob_pointers hob; + const struct hob_header *hdr; - assert(hob_list != NULL); - - hob.raw = (u8 *)hob_list; + hdr = hob_list; /* Parse the HOB list until end of list or matching type is found */ - while (!end_of_hob(hob)) { - if (get_hob_type(hob) == type) - return hob.raw; + while (!end_of_hob(hdr)) { + if (get_hob_type(hdr) == type) + return hdr; - hob.raw = get_next_hob(hob); + hdr = get_next_hob(hdr); } return NULL; } -void *fsp_get_next_guid_hob(const struct efi_guid *guid, const void *hob_list) +const struct hob_header *fsp_get_next_guid_hob(const struct efi_guid *guid, + const void *hob_list) { - union hob_pointers hob; - - hob.raw = (u8 *)hob_list; - while ((hob.raw = fsp_get_next_hob(HOB_TYPE_GUID_EXT, - hob.raw)) != NULL) { - if (compare_guid(guid, &hob.guid->name)) + const struct hob_header *hdr; + struct hob_guid *guid_hob; + + hdr = hob_list; + while ((hdr = fsp_get_next_hob(HOB_TYPE_GUID_EXT, + hdr)) != NULL) { + guid_hob = (struct hob_guid *)hdr; + if (compare_guid(guid, &(guid_hob->name))) break; - hob.raw = get_next_hob(hob); + hdr = get_next_hob(hdr); } - return hob.raw; + return hdr; } void *fsp_get_guid_hob_data(const void *hob_list, u32 *len, struct efi_guid *guid) { - u8 *guid_hob; + const struct hob_header *guid_hob; guid_hob = fsp_get_next_guid_hob(guid, hob_list); if (guid_hob == NULL) { |