rpms
/
uboot-tools
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Updated patch for DTB loading

This commit is contained in:
Peter Robinson 2024-03-21 13:56:05 +00:00
parent bda7eb94be
commit d91245dd1c
2 changed files with 52 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
uboot-tools.spec
View File

@ -7,7 +7,7 @@
Name: uboot-tools
Version: 2024.04
Release: 0.6%{?candidate:.%{candidate}}%{?dist}
Release: 0.7%{?candidate:.%{candidate}}%{?dist}
Epoch: 1
Summary: U-Boot utilities
License: GPLv2+ BSD LGPL-2.1+ LGPL-2.0+
@ -190,6 +190,9 @@ install -p -m 0755 builds/tools/env/fw_printenv %{buildroot}%{_bindir}
%endif
%changelog
* Thu Mar 21 2024 Peter Robinson <pbrobinson@fedoraproject.org> - 1:2024.04-0.7.rc4
- Updated patch for DTB loading
* Fri Mar 15 2024 Peter Robinson <pbrobinson@fedoraproject.org> - 1:2024.04-0.6.rc4
- Updated fix for FDT load

74
uefi-initial-find_fdt_location-for-finding-the-DT-on-disk.patch
View File

@ -1,6 +1,6 @@
From 751b1c4ec581f3546c49e4d59485306601fe6e2d Mon Sep 17 00:00:00 2001
From 8abb44f89aefd25cda27c54c08b68b3a60bea7c3 Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Fri, 15 Mar 2024 16:42:23 +0000
Date: Thu, 21 Mar 2024 13:43:24 +0000
Subject: [PATCH] initial find_fdt_location for finding the DT on disk
The old distro boot looked for a DT on the first boot partition
@ -16,11 +16,11 @@ so that devices will continue to work as they did previously.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
---
cmd/bootefi.c | 1 +
cmd/bootmenu.c | 5 +++
include/efi_loader.h | 2 +
lib/efi_loader/efi_helper.c | 83 ++++++++++++++++++++++++++++++++++++-
4 files changed, 90 insertions(+), 1 deletion(-)
cmd/bootefi.c | 1 +
cmd/bootmenu.c | 5 ++
include/efi_loader.h | 2 +
lib/efi_loader/efi_helper.c | 105 +++++++++++++++++++++++++++++++++++-
4 files changed, 112 insertions(+), 1 deletion(-)
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index 9cf9027bf40..8b6194a8702 100644
@ -64,7 +64,7 @@ index 7daca0afba2..a969378ff2f 100644
int efi_init_early(void);
/* Initialize efi execution environment */
diff --git a/lib/efi_loader/efi_helper.c b/lib/efi_loader/efi_helper.c
index 5dd9cc876e4..8d51c9570b7 100644
index 5dd9cc876e4..a33ec39ff74 100644
--- a/lib/efi_loader/efi_helper.c
+++ b/lib/efi_loader/efi_helper.c
@@ -12,6 +12,7 @@
@ -75,7 +75,7 @@ index 5dd9cc876e4..8d51c9570b7 100644
#include <efi_api.h>
#include <efi_load_initrd.h>
#include <efi_loader.h>
@@ -24,6 +25,77 @@
@@ -24,6 +25,99 @@
const efi_guid_t efi_lf2_initrd_guid = EFI_INITRD_MEDIA_GUID;
#endif
@ -91,6 +91,7 @@ index 5dd9cc876e4..8d51c9570b7 100644
+ int MAX_PART = 8;
+ int part;
+ struct disk_partition info;
+ int fdtext;
+ int ret;
+ int retfdt;
+ int retload;
@ -115,7 +116,9 @@ index 5dd9cc876e4..8d51c9570b7 100644
+ log_debug("FFL: part num: %d\n", part);
+ ret = part_get_info(desc, part, &info);
+ /* if we have partition check it for DT */
+ if (ret) {
+ if (ret < 0) {
+ log_debug("FFL: no partition\n");
+ } else {
+ log_debug("FFL: we have a partition\n");
+ /* we should have a case/for prefix in =/ /dtb/ /dtb/current/ */
+ /* but for now we hard code if for Fedora */
@ -123,22 +126,41 @@ index 5dd9cc876e4..8d51c9570b7 100644
+ snprintf(fdt_fullpath, sizeof(fdt_fullpath), "%s/%s", prefix, fdt_filename);
+ log_debug("FFL: full name: %s\n", fdt_fullpath);
+ /* search for DT on partition and either find and exit or continue */
+ retfdt = fs_size(fdt_fullpath, &fdtsize);
+ if (retfdt) {
+ /* we have a fdt!*/
+ log_debug("FFL: we have found a DT on disk\n");
+ pbraddr = (ulong)(env_get("fdt_addr"));
+ retload = fs_read(fdt_fullpath, pbraddr, 0, 0, &len_read);
+ if (retload) {
+ log_debug("FFL: we have a loaded DT, size %ld we can return\n", sizeof(len_read));
+ log_info("Found DTB: %s\n", fdt_filename);
+ const char *fdt_opt;
+ fdt_opt = env_get("fdt_addr");
+ return fdt_opt;
+ if (fs_set_blk_dev_with_part(desc, part) == 0){
+ log_debug("FFL: set block part pass\n");
+ fdtext = fs_exists(fdt_fullpath);
+ if (fdtext) {
+ /* we have a fdt!*/
+ if (fs_set_blk_dev_with_part(desc, part) == 0){
+ retfdt = fs_size(fdt_fullpath, &fdtsize);
+ if (retfdt == 0) {
+ log_debug("FFL: we have found a DT on disk, size %lld\n", fdtsize);
+ /* Get the main fdt and map it */
+ const char *fdt_pbr;
+ fdt_pbr = env_get("fdt_addr_r");
+ pbraddr = hextoul(fdt_pbr, NULL);
+ log_debug("FFL: fdr addr: %s\n", fdt_pbr);
+ if (fs_set_blk_dev_with_part(desc, part) == 0){
+ retload = fs_read(fdt_fullpath, pbraddr, 0, fdtsize, &len_read);
+ if (retload == 0) {
+ log_debug("FFL: we have a loaded DT, size %lld we can return\n", fdtsize);
+ log_info("Found DTB: %s\n", fdt_filename);
+ return fdt_pbr;
+ } else {
+ log_debug("FFL: DT load failed\n");
+ }
+ }
+ } else {
+ log_debug("FFL: we DON'T have a DT with size\n");
+ }
+ }
+ } else {
+ /* we don't have a fdt!*/
+ log_debug("FFL: we DON'T have a DT\n");
+ }
+ } else {
+ log_debug("FFL: set block part FAIL\n");
+ }
+ } else {
+ log_debug("FFL: no partition\n");
+ }
+ }
+ }
@ -153,14 +175,14 @@ index 5dd9cc876e4..8d51c9570b7 100644
/**
* efi_create_current_boot_var() - Return Boot#### name were #### is replaced by
* the value of BootCurrent
@@ -432,11 +504,20 @@ efi_status_t efi_install_fdt(void *fdt)
@@ -432,11 +526,20 @@ efi_status_t efi_install_fdt(void *fdt)
/* Look for device tree that is already installed */
if (efi_get_configuration_table(&efi_guid_fdt))
return EFI_SUCCESS;
+ /* Check if there is device tree loaded from disk */
+ fdt_opt = find_fdt_location();
+ if (fdt_opt)
+ log_debug("Found DTB: insert file name here\n");
+ log_debug("Found DTB on disk\n");
/* Check if there is a hardware device tree */
- fdt_opt = env_get("fdt_addr");
+ if (!fdt_opt) {