RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

bsp/qoriq: Add qoriq_mmu_adjust_and_write_to_tlb1()

Browse Source
This commit is contained in:
Sebastian Huber
2022-12-22 11:11:30 +01:00
parent 0e052bcb3e
commit 0c0b2837a7
3 changed files with 38 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
bsps/powerpc/qoriq/include/bsp/mmu.h
View File

@@ -105,6 +105,16 @@ void qoriq_tlb1_write(
int tsize
);
void qoriq_mmu_adjust_and_write_to_tlb1(
int tlb,
uintptr_t begin,
uintptr_t last,
uint32_t mas1,
uint32_t mas2,
uint32_t mas3,
uint32_t mas7
);
void qoriq_tlb1_invalidate(int esel);
/** @} */

9
bsps/powerpc/qoriq/start/bspsmp.c
View File

@@ -118,11 +118,8 @@ static void bsp_inter_processor_interrupt(void *arg)
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,
qoriq_mmu_adjust_and_write_to_tlb1(
QORIQ_TLB1_ENTRY_COUNT - 1,
0xfffff000,
0xffffffff,
0,
@@ -130,8 +127,6 @@ static void setup_boot_page(void)
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
}

26
bsps/powerpc/qoriq/start/mmu.c
View File

@@ -406,3 +406,29 @@ int qoriq_mmu_find_free_tlb1_entry(void)
return -1;
}
void qoriq_mmu_adjust_and_write_to_tlb1(
int tlb,
uintptr_t begin,
uintptr_t last,
uint32_t mas1,
uint32_t mas2,
uint32_t mas3,
uint32_t mas7
)
{
qoriq_mmu_context context;
qoriq_mmu_context_init(&context);
qoriq_mmu_add(
&context,
begin,
last,
mas1,
mas2,
mas3,
mas7
);
qoriq_mmu_partition(&context, 1);
qoriq_mmu_write_to_tlb1(&context, tlb);
}