armv8: ls2088ardb: Add TFABOOT support

[oweals/u-boot.git] / arch / arm / cpu / arm1176 / start.S

diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S
index 0704bdde27e07b944510f7ac9b3739c63f5fbb83..14029246844c44497e4b18e6cd4b888516ddfbc6 100644 (file)
--- a/arch/arm/cpu/arm1176/start.S
+++ b/arch/arm/cpu/arm1176/start.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  *  armboot - Startup Code for ARM1176 CPU-core
  *
@@ -6,8 +7,6 @@
  * Copyright (C) 2008
  * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
  *
- * SPDX-License-Identifier:    GPL-2.0+
- *
  * 2007-09-21 - Restructured codes by jsgood (jsgood.yang@samsung.com)
  * 2007-09-21 - Added MoviNAND and OneNAND boot codes by
  * jsgood (jsgood.yang@samsung.com)
@@ -16,7 +15,7 @@
 
 #include <asm-offsets.h>
 #include <config.h>
-#include <version.h>
+#include <linux/linkage.h>
 
 #ifndef CONFIG_SYS_PHY_UBOOT_BASE
 #define CONFIG_SYS_PHY_UBOOT_BASE      CONFIG_SYS_UBOOT_BASE
@@ -38,6 +37,11 @@
        .globl reset
 
 reset:
+       /* Allow the board to save important registers */
+       b       save_boot_params
+.globl save_boot_params_ret
+save_boot_params_ret:
+
        /*
         * set the cpu to SVC32 mode
         */
@@ -79,7 +83,7 @@ cpu_init_crit:
        mrc     p15, 0, r0, c1, c0, 0
        bic     r0, r0, #0x00002300     @ clear bits 13, 9:8 (--V- --RS)
        bic     r0, r0, #0x00000087     @ clear bits 7, 2:0 (B--- -CAM)
-       orr     r0, r0, #0x00000002     @ set bit 2 (A) Align
+       orr     r0, r0, #0x00000002     @ set bit 1 (A) Align
        orr     r0, r0, #0x00001000     @ set bit 12 (I) I-Cache
 
        /* Prepare to disable the MMU */
@@ -96,28 +100,6 @@ mmu_disable:
        mov     pc, r2
 mmu_disable_phys:
 
-#ifdef CONFIG_DISABLE_TCM
-       /*
-        * Disable the TCMs
-        */
-       mrc     p15, 0, r0, c0, c0, 2   /* Return TCM details */
-       cmp     r0, #0
-       beq     skip_tcmdisable
-       mov     r1, #0
-       mov     r2, #1
-       tst     r0, r2
-       mcrne   p15, 0, r1, c9, c1, 1   /* Disable Instruction TCM if present*/
-       tst     r0, r2, LSL #16
-       mcrne   p15, 0, r1, c9, c1, 0   /* Disable Data TCM if present*/
-skip_tcmdisable:
-#endif
-#endif
-
-#ifdef CONFIG_PERIPORT_REMAP
-       /* Peri port setup */
-       ldr     r0, =CONFIG_PERIPORT_BASE
-       orr     r0, r0, #CONFIG_PERIPORT_SIZE
-       mcr     p15,0,r0,c15,c2,4
 #endif
 
        /*
@@ -133,3 +115,7 @@ skip_tcmdisable:
 c_runtime_cpu_setup:
 
        mov     pc, lr
+
+WEAK(save_boot_params)
+       b       save_boot_params_ret    /* back to my caller */
+ENDPROC(save_boot_params)