Initial IOMMU driver hooks.
This is intentially stripped back to initialization and a hook to the
driver when the VM's memory map is changing. This will work as the
baseline from which changes can be made to fit the needs of the drivers.
Change-Id: I904279f511e2d6e4b1c062fb49a2892042b79005
diff --git a/src/boot_flow/common.c b/src/boot_flow/common.c
index b295824..834f746 100644
--- a/src/boot_flow/common.c
+++ b/src/boot_flow/common.c
@@ -38,49 +38,26 @@
* Parses information from FDT needed to initialize Hafnium.
* FDT is mapped at the beginning and unmapped before exiting the function.
*/
-bool boot_flow_init(struct mm_stage1_locked stage1_locked,
- struct manifest *manifest, struct boot_params *boot_params,
- struct mpool *ppool)
+bool boot_flow_init(const struct fdt_node *fdt_root, struct manifest *manifest,
+ struct boot_params *boot_params)
{
- bool ret = false;
- struct fdt_header *fdt;
- struct fdt_node fdt_root;
enum manifest_return_code manifest_ret;
/* Get the memory map from the FDT. */
- fdt = fdt_map(stage1_locked, plat_boot_flow_get_fdt_addr(), &fdt_root,
- ppool);
- if (fdt == NULL) {
- dlog("Unable to map FDT.\n");
- return false;
- }
- if (!fdt_find_child(&fdt_root, "")) {
- dlog("Unable to find FDT root node.\n");
- goto out_unmap_fdt;
- }
-
- manifest_ret = manifest_init(manifest, &fdt_root);
+ manifest_ret = manifest_init(manifest, fdt_root);
if (manifest_ret != MANIFEST_SUCCESS) {
dlog("Could not parse manifest: %s.\n",
manifest_strerror(manifest_ret));
- goto out_unmap_fdt;
+ return false;
}
- if (!boot_params_init(boot_params, &fdt_root)) {
+ if (!boot_params_init(boot_params, fdt_root)) {
dlog("Could not parse boot params.\n");
- goto out_unmap_fdt;
+ return false;
}
- ret = true;
-
-out_unmap_fdt:
- if (!fdt_unmap(stage1_locked, fdt, ppool)) {
- dlog("Unable to unmap FDT.\n");
- ret = false;
- }
-
- return ret;
+ return true;
}
/**