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[U-Boot,v7,4/7] armv8: ls2080a: Declare spin tables as reserved for efi loader

Message ID 1479335701-149961-5-git-send-email-agraf@suse.de
State Accepted
Commit 5a37a2f0140c735ad6d8ca223a37fbfdc508622f
Delegated to: York Sun
Headers show

Commit Message

Alexander Graf Nov. 16, 2016, 10:34 p.m. UTC
The efi loader code has its own memory map, so it needs to be aware where
the spin tables are located, to ensure that no code writes into those
regions.

Signed-off-by: Alexander Graf <agraf@suse.de>

---

v6 -> v7:

  - Don't call efi_loader functions for SPL code
---
 arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
index 1a8321b..0dae5fa 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
@@ -5,6 +5,7 @@ 
  */
 
 #include <common.h>
+#include <efi_loader.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <phy.h>
@@ -105,6 +106,11 @@  remove_psci_node:
 
 	fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
 			*boot_code_size);
+#if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
+	efi_add_memory_map((uintptr_t)&secondary_boot_code,
+			   ALIGN(*boot_code_size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
+			   EFI_RESERVED_MEMORY_TYPE, false);
+#endif
 }
 #endif