thunderx: Calculate TCR dynamically

[u-boot] / arch / arm / cpu / u-boot.lds

diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds
index a7728e0a2de2b9c6e452f19830b7b52d3a1fc355..e148ab75137c1ed33f4879b09ac497a476bbb8ff 100644 (file)
--- a/arch/arm/cpu/u-boot.lds
+++ b/arch/arm/cpu/u-boot.lds
@@ -7,11 +7,31 @@
  * SPDX-License-Identifier:    GPL-2.0+
  */
 
+#include <config.h>
+
 OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
 OUTPUT_ARCH(arm)
 ENTRY(_start)
 SECTIONS
 {
+#if defined(CONFIG_ARMV7_SECURE_BASE) && defined(CONFIG_ARMV7_NONSEC)
+       /*
+        * If CONFIG_ARMV7_SECURE_BASE is true, secure code will not
+        * bundle with u-boot, and code offsets are fixed. Secure zone
+        * only needs to be copied from the loading address to
+        * CONFIG_ARMV7_SECURE_BASE, which is the linking and running
+        * address for secure code.
+        *
+        * If CONFIG_ARMV7_SECURE_BASE is undefined, the secure zone will
+        * be included in u-boot address space, and some absolute address
+        * were used in secure code. The absolute addresses of the secure
+        * code also needs to be relocated along with the accompanying u-boot
+        * code.
+        *
+        * So DISCARD is only for CONFIG_ARMV7_SECURE_BASE.
+        */
+       /DISCARD/ : { *(.rel._secure*) }
+#endif
        . = 0x00000000;
 
        . = ALIGN(4);
@@ -23,6 +43,34 @@ SECTIONS
                *(.text*)
        }
 
+#ifdef CONFIG_ARMV7_NONSEC
+
+#ifndef CONFIG_ARMV7_SECURE_BASE
+#define CONFIG_ARMV7_SECURE_BASE
+#endif
+
+       .__secure_start : {
+               . = ALIGN(0x1000);
+               *(.__secure_start)
+       }
+
+       .secure_text CONFIG_ARMV7_SECURE_BASE :
+               AT(ADDR(.__secure_start) + SIZEOF(.__secure_start))
+       {
+               *(._secure.text)
+       }
+
+       . = LOADADDR(.__secure_start) +
+               SIZEOF(.__secure_start) +
+               SIZEOF(.secure_text);
+
+       __secure_end_lma = .;
+       .__secure_end : AT(__secure_end_lma) {
+               *(.__secure_end)
+               LONG(0x1d1071c);        /* Must output something to reset LMA */
+       }
+#endif
+
        . = ALIGN(4);
        .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }