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[PATCH v3 08/17] hw/loongarch: Init efi_fdt table
From: |
Song Gao |
Subject: |
[PATCH v3 08/17] hw/loongarch: Init efi_fdt table |
Date: |
Wed, 27 Dec 2023 16:08:12 +0800 |
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
hw/loongarch/boot.c | 11 +++++++++++
include/hw/loongarch/boot.h | 4 ++++
2 files changed, 15 insertions(+)
diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c
index 387602d669..087cb850b2 100644
--- a/hw/loongarch/boot.c
+++ b/hw/loongarch/boot.c
@@ -117,6 +117,16 @@ static void init_efi_initrd_table(struct efi_system_table
*systab,
p += ROUND_UP(sizeof(struct efi_initrd), 64);
}
+static void init_efi_fdt_table(struct efi_system_table *systab)
+{
+ efi_guid_t tbl_guid = DEVICE_TREE_GUID;
+
+ /* efi_configuration_table 3 */
+ guidcpy(&systab->tables[2].guid, &tbl_guid);
+ systab->tables[2].table = (void *)0x100000; /* fdt_base 1MiB */
+ systab->nr_tables = 3;
+}
+
static void init_systab(struct loongarch_boot_info *info, void *p, void *start)
{
void *bp_tables_start;
@@ -139,6 +149,7 @@ static void init_systab(struct loongarch_boot_info *info,
void *p, void *start)
init_efi_boot_memmap(systab, p, start);
init_efi_initrd_table(systab, p, start);
+ init_efi_fdt_table(systab);
systab->tables = (struct efi_configuration_table *)(bp_tables_start -
start);
}
diff --git a/include/hw/loongarch/boot.h b/include/hw/loongarch/boot.h
index ce47056608..bbe8c8dd5d 100644
--- a/include/hw/loongarch/boot.h
+++ b/include/hw/loongarch/boot.h
@@ -34,6 +34,10 @@ typedef struct {
EFI_GUID(0x5568e427, 0x68fc, 0x4f3d, 0xac, 0x74, \
0xca, 0x55, 0x52, 0x31, 0xcc, 0x68)
+#define DEVICE_TREE_GUID \
+ EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, \
+ 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
+
struct efi_config_table {
efi_guid_t guid;
uint64_t *ptr;
--
2.25.1
- [PATCH v3 00/17] Add boot LoongArch elf kernel with FDT, Song Gao, 2023/12/27
- [PATCH v3 04/17] hw/loongarch: Add init_cmdline, Song Gao, 2023/12/27
- [PATCH v3 08/17] hw/loongarch: Init efi_fdt table,
Song Gao <=
- [PATCH v3 02/17] hw/loongarch: Add load initrd, Song Gao, 2023/12/27
- [PATCH v3 10/17] hw/loongarch: fdt adds cpu interrupt controller node, Song Gao, 2023/12/27
- [PATCH v3 06/17] hw/loongarch: Init efi_boot_memmap table, Song Gao, 2023/12/27
- [PATCH v3 05/17] hw/loongarch: Init efi_system_table, Song Gao, 2023/12/27
- [PATCH v3 07/17] hw/loongarch: Init efi_initrd table, Song Gao, 2023/12/27
- [PATCH v3 09/17] hw/loongarch: Fix fdt memory node wrong 'reg', Song Gao, 2023/12/27
- [PATCH v3 11/17] hw/loongarch: fdt adds Extend I/O Interrupt Controller, Song Gao, 2023/12/27
- [PATCH v3 01/17] hw/loongarch: Move boot fucntions to boot.c, Song Gao, 2023/12/27