Some of this file can be shared between FSP1 and FSP2. Move it into a
shared file.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
arch/x86/lib/fsp/Makefile | 1 +
arch/x86/lib/fsp/fsp_support.c | 176 ++++++++++++++++++++++++++++++++
arch/x86/lib/fsp1/fsp_support.c | 167 ------------------------------
3 files changed, 177 insertions(+), 167 deletions(-)
create mode 100644 arch/x86/lib/fsp/fsp_support.c
diff --git a/arch/x86/lib/fsp/Makefile b/arch/x86/lib/fsp/Makefile
index e7a8427c2ec..9e348564737 100644
--- a/arch/x86/lib/fsp/Makefile
+++ b/arch/x86/lib/fsp/Makefile
@@ -4,3 +4,4 @@
obj-y += fsp_common.o
obj-y += fsp_dram.o
+obj-y += fsp_support.o
diff --git a/arch/x86/lib/fsp/fsp_support.c b/arch/x86/lib/fsp/fsp_support.c
new file mode 100644
index 00000000000..014de35e563
--- /dev/null
+++ b/arch/x86/lib/fsp/fsp_support.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: Intel
+/*
+ * Copyright (C) 2013, Intel Corporation
+ * Copyright (C) 2014, Bin Meng <bmeng...@gmail.com>
+ */
+
+#include <common.h>
+#include <asm/fsp1/fsp_support.h>
+#include <asm/post.h>
+
+u32 fsp_get_usable_lowmem_top(const void *hob_list)
+{
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
+ phys_addr_t phys_start;
+ u32 top;
+#ifdef CONFIG_FSP_BROKEN_HOB
+ struct hob_mem_alloc *res_mem;
+ phys_addr_t mem_base = 0;
+#endif
+
+ /* Get the HOB list for processing */
+ hdr = hob_list;
+
+ /* * Collect memory ranges */
+ top = FSP_LOWMEM_BASE;
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == 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)(res_desc->len);
+ }
+ }
+
+#ifdef CONFIG_FSP_BROKEN_HOB
+ /*
+ * Find out the lowest memory base address allocated by FSP
+ * for the boot service data
+ */
+ if (hdr->type == HOB_TYPE_MEM_ALLOC) {
+ res_mem = (struct hob_mem_alloc *)hdr;
+ if (!mem_base)
+ mem_base = res_mem->mem_base;
+ if (res_mem->mem_base < mem_base)
+ mem_base = res_mem->mem_base;
+ }
+#endif
+
+ hdr = get_next_hob(hdr);
+ }
+
+#ifdef CONFIG_FSP_BROKEN_HOB
+ /*
+ * Check whether the memory top address is below the FSP HOB list.
+ * If not, use the lowest memory base address allocated by FSP as
+ * the memory top address. This is to prevent U-Boot relocation
+ * overwrites the important boot service data which is used by FSP,
+ * otherwise the subsequent call to fsp_notify() will fail.
+ */
+ if (top > (u32)hob_list) {
+ debug("Adjust memory top address due to a buggy FSP\n");
+ top = (u32)mem_base;
+ }
+#endif
+
+ return top;
+}
+
+u64 fsp_get_usable_highmem_top(const void *hob_list)
+{
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
+ phys_addr_t phys_start;
+ u64 top;
+
+ /* Get the HOB list for processing */
+ hdr = hob_list;
+
+ /* Collect memory ranges */
+ top = FSP_HIGHMEM_BASE;
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == 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 4GB to be collected here */
+ if (phys_start >= (phys_addr_t)FSP_HIGHMEM_BASE)
+ top += (u32)(res_desc->len);
+ }
+ }
+ hdr = get_next_hob(hdr);
+ }
+
+ return top;
+}
+
+u64 fsp_get_reserved_mem_from_guid(const void *hob_list, u64 *len,
+ const efi_guid_t *guid)
+{
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
+
+ /* Get the HOB list for processing */
+ hdr = hob_list;
+
+ /* Collect memory ranges */
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == HOB_TYPE_RES_DESC) {
+ res_desc = (struct hob_res_desc *)hdr;
+ if (res_desc->type == RES_MEM_RESERVED) {
+ if (!guidcmp(&res_desc->owner, guid)) {
+ if (len)
+ *len = (u32)(res_desc->len);
+
+ return (u64)(res_desc->phys_start);
+ }
+ }
+ }
+ hdr = get_next_hob(hdr);
+ }
+
+ return 0;
+}
+
+u32 fsp_get_fsp_reserved_mem(const void *hob_list, u32 *len)
+{
+ const efi_guid_t guid = FSP_HOB_RESOURCE_OWNER_FSP_GUID;
+ u64 length;
+ u32 base;
+
+ base = (u32)fsp_get_reserved_mem_from_guid(hob_list,
+ &length, &guid);
+ if (len && base)
+ *len = (u32)length;
+
+ return base;
+}
+
+u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len)
+{
+ const efi_guid_t guid = FSP_HOB_RESOURCE_OWNER_TSEG_GUID;
+ u64 length;
+ u32 base;
+
+ base = (u32)fsp_get_reserved_mem_from_guid(hob_list,
+ &length, &guid);
+ if (len && base)
+ *len = (u32)length;
+
+ return base;
+}
+
+void *fsp_get_nvs_data(const void *hob_list, u32 *len)
+{
+ const efi_guid_t guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID;
+
+ return hob_get_guid_hob_data(hob_list, len, &guid);
+}
+
+void *fsp_get_bootloader_tmp_mem(const void *hob_list, u32 *len)
+{
+ const efi_guid_t guid = FSP_BOOTLOADER_TEMP_MEM_HOB_GUID;
+
+ return hob_get_guid_hob_data(hob_list, len, &guid);
+}
+
+void *fsp_get_graphics_info(const void *hob_list, u32 *len)
+{
+ const efi_guid_t guid = FSP_GRAPHICS_INFO_HOB_GUID;
+
+ return hob_get_guid_hob_data(hob_list, len, &guid);
+}
diff --git a/arch/x86/lib/fsp1/fsp_support.c b/arch/x86/lib/fsp1/fsp_support.c
index b5b7d664a1e..c7a2c73846b 100644
--- a/arch/x86/lib/fsp1/fsp_support.c
+++ b/arch/x86/lib/fsp1/fsp_support.c
@@ -197,170 +197,3 @@ u32 fsp_notify(struct fsp_header *fsp_hdr, u32 phase)
return status;
}
-
-u32 fsp_get_usable_lowmem_top(const void *hob_list)
-{
- const struct hob_header *hdr;
- struct hob_res_desc *res_desc;
- phys_addr_t phys_start;
- u32 top;
-#ifdef CONFIG_FSP_BROKEN_HOB
- struct hob_mem_alloc *res_mem;
- phys_addr_t mem_base = 0;
-#endif
-
- /* Get the HOB list for processing */
- hdr = hob_list;
-
- /* * Collect memory ranges */
- top = FSP_LOWMEM_BASE;
- while (!end_of_hob(hdr)) {
- if (hdr->type == 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)(res_desc->len);
- }
- }
-
-#ifdef CONFIG_FSP_BROKEN_HOB
- /*
- * Find out the lowest memory base address allocated by FSP
- * for the boot service data
- */
- if (hdr->type == HOB_TYPE_MEM_ALLOC) {
- res_mem = (struct hob_mem_alloc *)hdr;
- if (!mem_base)
- mem_base = res_mem->mem_base;
- if (res_mem->mem_base < mem_base)
- mem_base = res_mem->mem_base;
- }
-#endif
-
- hdr = get_next_hob(hdr);
- }
-
-#ifdef CONFIG_FSP_BROKEN_HOB
- /*
- * Check whether the memory top address is below the FSP HOB list.
- * If not, use the lowest memory base address allocated by FSP as
- * the memory top address. This is to prevent U-Boot relocation
- * overwrites the important boot service data which is used by FSP,
- * otherwise the subsequent call to fsp_notify() will fail.
- */
- if (top > (u32)hob_list) {
- debug("Adjust memory top address due to a buggy FSP\n");
- top = (u32)mem_base;
- }
-#endif
-
- return top;
-}
-
-u64 fsp_get_usable_highmem_top(const void *hob_list)
-{
- const struct hob_header *hdr;
- struct hob_res_desc *res_desc;
- phys_addr_t phys_start;
- u64 top;
-
- /* Get the HOB list for processing */
- hdr = hob_list;
-
- /* Collect memory ranges */
- top = FSP_HIGHMEM_BASE;
- while (!end_of_hob(hdr)) {
- if (hdr->type == 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 4GB to be collected here */
- if (phys_start >= (phys_addr_t)FSP_HIGHMEM_BASE)
- top += (u32)(res_desc->len);
- }
- }
- hdr = get_next_hob(hdr);
- }
-
- return top;
-}
-
-u64 fsp_get_reserved_mem_from_guid(const void *hob_list, u64 *len,
- const efi_guid_t *guid)
-{
- const struct hob_header *hdr;
- struct hob_res_desc *res_desc;
-
- /* Get the HOB list for processing */
- hdr = hob_list;
-
- /* Collect memory ranges */
- while (!end_of_hob(hdr)) {
- if (hdr->type == HOB_TYPE_RES_DESC) {
- res_desc = (struct hob_res_desc *)hdr;
- if (res_desc->type == RES_MEM_RESERVED) {
- if (!guidcmp(&res_desc->owner, guid)) {
- if (len)
- *len = (u32)(res_desc->len);
-
- return (u64)(res_desc->phys_start);
- }
- }
- }
- hdr = get_next_hob(hdr);
- }
-
- return 0;
-}
-
-u32 fsp_get_fsp_reserved_mem(const void *hob_list, u32 *len)
-{
- const efi_guid_t guid = FSP_HOB_RESOURCE_OWNER_FSP_GUID;
- u64 length;
- u32 base;
-
- base = (u32)fsp_get_reserved_mem_from_guid(hob_list,
- &length, &guid);
- if ((len != 0) && (base != 0))
- *len = (u32)length;
-
- return base;
-}
-
-u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len)
-{
- const efi_guid_t guid = FSP_HOB_RESOURCE_OWNER_TSEG_GUID;
- u64 length;
- u32 base;
-
- base = (u32)fsp_get_reserved_mem_from_guid(hob_list,
- &length, &guid);
- if ((len != 0) && (base != 0))
- *len = (u32)length;
-
- return base;
-}
-
-void *fsp_get_nvs_data(const void *hob_list, u32 *len)
-{
- const efi_guid_t guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID;
-
- return hob_get_guid_hob_data(hob_list, len, &guid);
-}
-
-void *fsp_get_bootloader_tmp_mem(const void *hob_list, u32 *len)
-{
- const efi_guid_t guid = FSP_BOOTLOADER_TEMP_MEM_HOB_GUID;
-
- return hob_get_guid_hob_data(hob_list, len, &guid);
-}
-
-void *fsp_get_graphics_info(const void *hob_list, u32 *len)
-{
- const efi_guid_t guid = FSP_GRAPHICS_INFO_HOB_GUID;
-
- return hob_get_guid_hob_data(hob_list, len, &guid);
-}
--
2.23.0.444.g18eeb5a265-goog
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