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bsps/arm: Add start up support for ARMv6 RPi Models

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This commit is contained in:
Pranav Dangi
2021-07-06 21:23:12 +05:30
committed by Sebastian Huber
parent b28c0c6690
commit 8b0e333487
1 changed files with 7 additions and 1 deletions
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8
bsps/arm/shared/start/start.S
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@@ -482,16 +482,22 @@ bsp_start_hook_0_done:
.Lvector_table_copy_done: .Lvector_table_copy_done:
#if (__ARM_ARCH >= 7 && __ARM_ARCH_PROFILE == 'A') || __ARM_ARCH >= 8
/* /*
* This code path is only executed by the primary processor. Set the * This code path is only executed by the primary processor. Set the
* VBAR to the normal vector table. For secondary processors, this is * VBAR to the normal vector table. For secondary processors, this is
* done by bsp_start_hook_0(). * done by bsp_start_hook_0().
*/ */
#if (__ARM_ARCH >= 7 && __ARM_ARCH_PROFILE == 'A') || __ARM_ARCH >= 8
ldr r0, =bsp_vector_table_begin ldr r0, =bsp_vector_table_begin
dsb dsb
mcr p15, 0, r0, c12, c0, 0 mcr p15, 0, r0, c12, c0, 0
isb isb
#elif defined(__ARM_ARCH_6KZ__)
mov r1, #0
ldr r0, =bsp_vector_table_begin
mcr p15, 0, r1, c7, c10, 4 /* DataSync */
mcr p15, 0, r0, c12, c0, 0 /* Load VBAR */
mcr p15, 0, r1, c7, c5, 4 /* Flush Prefetch */
#endif #endif
SWITCH_FROM_ARM_TO_THUMB r3 SWITCH_FROM_ARM_TO_THUMB r3