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-rw-r--r--arch/x86/include/asm/fsp1/fsp_support.h188
1 files changed, 188 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fsp1/fsp_support.h b/arch/x86/include/asm/fsp1/fsp_support.h
new file mode 100644
index 0000000000..7b92392a27
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+++ b/arch/x86/include/asm/fsp1/fsp_support.h
@@ -0,0 +1,188 @@
+/* SPDX-License-Identifier: Intel */
+/*
+ * Copyright (C) 2013, Intel Corporation
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#ifndef __FSP_SUPPORT_H__
+#define __FSP_SUPPORT_H__
+
+#include "fsp_types.h"
+#include "fsp_hob.h"
+#include "fsp_fv.h"
+#include "fsp_ffs.h"
+#include "fsp_api.h"
+#include "fsp_infoheader.h"
+#include "fsp_bootmode.h"
+#include "fsp_azalia.h"
+#include <asm/arch/fsp/fsp_vpd.h>
+#include <asm/arch/fsp/fsp_configs.h>
+
+#define FSP_LOWMEM_BASE 0x100000UL
+#define FSP_HIGHMEM_BASE 0x100000000ULL
+#define UPD_TERMINATOR 0x55AA
+
+
+/**
+ * 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);
+
+/**
+ * FSP Continuation function
+ *
+ * @status: Always 0
+ * @hob_list: HOB list pointer
+ *
+ * @retval: Never returns
+ */
+void fsp_continue(u32 status, void *hob_list);
+
+/**
+ * Find FSP header offset in FSP image
+ *
+ * @retval: the offset of FSP header. If signature is invalid, returns 0.
+ */
+struct fsp_header *find_fsp_header(void);
+
+/**
+ * FSP initialization wrapper function.
+ *
+ * @stack_top: bootloader stack top address
+ * @boot_mode: boot mode defined in fsp_bootmode.h
+ * @nvs_buf: Non-volatile memory buffer pointer
+ */
+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
+ *
+ * @retval: compatible status code with EFI_STATUS defined in PI spec
+ */
+u32 fsp_notify(struct fsp_header *fsp_hdr, u32 phase);
+
+/**
+ * This function retrieves the top of usable low memory.
+ *
+ * @hob_list: A HOB list pointer.
+ *
+ * @retval: Usable low memory top.
+ */
+u32 fsp_get_usable_lowmem_top(const void *hob_list);
+
+/**
+ * This function retrieves the top of usable high memory.
+ *
+ * @hob_list: A HOB list pointer.
+ *
+ * @retval: Usable high memory top.
+ */
+u64 fsp_get_usable_highmem_top(const void *hob_list);
+
+/**
+ * This function retrieves a special reserved memory region.
+ *
+ * @hob_list: A HOB list pointer.
+ * @len: A pointer to the GUID HOB data buffer length.
+ * If the GUID HOB is located, the length will be updated.
+ * @guid: A pointer to the owner guild.
+ *
+ * @retval: Reserved region start address.
+ * 0 if this region does not exist.
+ */
+u64 fsp_get_reserved_mem_from_guid(const void *hob_list,
+ u64 *len, const efi_guid_t *guid);
+
+/**
+ * This function retrieves the FSP reserved normal memory.
+ *
+ * @hob_list: A HOB list pointer.
+ * @len: A pointer to the FSP reserved memory length buffer.
+ * If the GUID HOB is located, the length will be updated.
+ * @retval: FSP reserved memory base
+ * 0 if this region does not exist.
+ */
+u32 fsp_get_fsp_reserved_mem(const void *hob_list, u32 *len);
+
+/**
+ * This function retrieves the TSEG reserved normal memory.
+ *
+ * @hob_list: A HOB list pointer.
+ * @len: A pointer to the TSEG reserved memory length buffer.
+ * If the GUID HOB is located, the length will be updated.
+ *
+ * @retval NULL: Failed to find the TSEG reserved memory.
+ * @retval others: TSEG reserved memory base.
+ */
+u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len);
+
+/**
+ * This function retrieves FSP Non-volatile Storage HOB buffer and size.
+ *
+ * @hob_list: A HOB list pointer.
+ * @len: A pointer to the NVS data buffer length.
+ * If the HOB is located, the length will be updated.
+ *
+ * @retval NULL: Failed to find the NVS HOB.
+ * @retval others: FSP NVS data buffer pointer.
+ */
+void *fsp_get_nvs_data(const void *hob_list, u32 *len);
+
+/**
+ * This function retrieves Bootloader temporary stack buffer and size.
+ *
+ * @hob_list: A HOB list pointer.
+ * @len: A pointer to the bootloader temporary stack length.
+ * If the HOB is located, the length will be updated.
+ *
+ * @retval NULL: Failed to find the bootloader temporary stack HOB.
+ * @retval others: Bootloader temporary stackbuffer pointer.
+ */
+void *fsp_get_bootloader_tmp_mem(const void *hob_list, u32 *len);
+
+/**
+ * This function retrieves graphics information.
+ *
+ * @hob_list: A HOB list pointer.
+ * @len: A pointer to the graphics info HOB length.
+ * If the HOB is located, the length will be updated.
+ *
+ * @retval NULL: Failed to find the graphics info HOB.
+ * @retval others: A pointer to struct hob_graphics_info.
+ */
+void *fsp_get_graphics_info(const void *hob_list, u32 *len);
+
+/**
+ * This function overrides the default configurations of FSP.
+ *
+ * @config: A pointer to the FSP configuration data structure
+ * @rt_buf: A pointer to the FSP runtime buffer data structure
+ *
+ * @return: None
+ */
+void update_fsp_configs(struct fsp_config_data *config,
+ struct fspinit_rtbuf *rt_buf);
+
+/**
+ * fsp_init_phase_pci() - Tell the FSP that we have completed PCI init
+ *
+ * @return 0 if OK, -EPERM if the FSP gave an error.
+ */
+int fsp_init_phase_pci(void);
+
+#endif