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Diffstat (limited to 'c/src/lib/libbsp/powerpc/qoriq/startup/bspsmp.c')
-rw-r--r--c/src/lib/libbsp/powerpc/qoriq/startup/bspsmp.c43
1 files changed, 36 insertions, 7 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/bspsmp.c b/c/src/lib/libbsp/powerpc/qoriq/startup/bspsmp.c
index b99a5b4f65..a2d9fbede5 100644
--- a/c/src/lib/libbsp/powerpc/qoriq/startup/bspsmp.c
+++ b/c/src/lib/libbsp/powerpc/qoriq/startup/bspsmp.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013, 2016 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -38,12 +38,6 @@ void _start_secondary_processor(void);
#define IPI_INDEX 0
-#define TLB_BEGIN (3 * QORIQ_TLB1_ENTRY_COUNT / 4)
-
-#define TLB_END QORIQ_TLB1_ENTRY_COUNT
-
-#define TLB_COUNT (TLB_END - TLB_BEGIN)
-
#if QORIQ_THREAD_COUNT > 1
static bool is_started_by_u_boot(uint32_t cpu_index)
{
@@ -104,10 +98,32 @@ void bsp_start_on_secondary_processor(void)
_SMP_Start_multitasking_on_secondary_processor();
}
+#ifndef QORIQ_IS_HYPERVISOR_GUEST
static void bsp_inter_processor_interrupt(void *arg)
{
_SMP_Inter_processor_interrupt_handler();
}
+#endif
+
+static void setup_boot_page(void)
+{
+#ifdef QORIQ_IS_HYPERVISOR_GUEST
+ qoriq_mmu_context mmu_context;
+
+ qoriq_mmu_context_init(&mmu_context);
+ qoriq_mmu_add(
+ &mmu_context,
+ 0xfffff000,
+ 0xffffffff,
+ 0,
+ 0,
+ FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW,
+ 0
+ );
+ qoriq_mmu_partition(&mmu_context, 1);
+ qoriq_mmu_write_to_tlb1(&mmu_context, QORIQ_TLB1_ENTRY_COUNT - 1);
+#endif
+}
static uint32_t discover_processors(void)
{
@@ -139,6 +155,7 @@ uint32_t _CPU_SMP_Initialize(void)
uint32_t cpu_count = 1;
if (rtems_configuration_get_maximum_processors() > 0) {
+ setup_boot_page();
cpu_count = discover_processors();
}
@@ -196,6 +213,9 @@ bool _CPU_SMP_Start_processor(uint32_t cpu_index)
void _CPU_SMP_Finalize_initialization(uint32_t cpu_count)
{
+#ifdef QORIQ_IS_HYPERVISOR_GUEST
+ (void) cpu_count;
+#else
if (cpu_count > 1) {
rtems_status_code sc;
@@ -210,6 +230,7 @@ void _CPU_SMP_Finalize_initialization(uint32_t cpu_count)
bsp_fatal(QORIQ_FATAL_SMP_IPI_HANDLER_INSTALL);
}
}
+#endif
}
void _CPU_SMP_Prepare_start_multitasking(void)
@@ -219,5 +240,13 @@ void _CPU_SMP_Prepare_start_multitasking(void)
void _CPU_SMP_Send_interrupt(uint32_t target_processor_index)
{
+#ifdef QORIQ_IS_HYPERVISOR_GUEST
+ uint32_t msg;
+
+ /* DBELL message type */
+ msg = (0U << (63 - 36)) | target_processor_index;
+ __asm__ volatile ("msgsnd %0" : : "r" (msg));
+#else
qoriq.pic.ipidr [IPI_INDEX].reg = 1U << target_processor_index;
+#endif
}