michael/zephyr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

soc: microchip: sam: update MMU for sama7g5 FLEXCOM

Browse Source 
When the FLEXCOM is activated in the DT, configure it's register
region with strong ordered, read and write access.

Signed-off-by: Tony Han <tony.han@microchip.com>
This commit is contained in:
Tony Han
2025-06-12 14:46:29 +08:00
committed by Dan Kalowsky
parent 256031eb81
commit 5fa0898441
1 changed files with 7 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
soc/microchip/sam/sama7g5/soc.c
View File

@@ -9,12 +9,17 @@
#include <zephyr/arch/arm/mmu/arm_mmu.h>
#include <zephyr/kernel.h>
#define MMU_REGION_FLEXCOM_DEFN(idx, n) \
COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(flx##n)), \
(MMU_REGION_FLAT_ENTRY("flexcom"#n, FLEXCOM##n##_BASE_ADDRESS, 0x4000, \
MT_STRONGLY_ORDERED | MPERM_R | MPERM_W),), \
())
static const struct arm_mmu_region mmu_regions[] = {
MMU_REGION_FLAT_ENTRY("vectors", CONFIG_KERNEL_VM_BASE, 0x1000,
MT_STRONGLY_ORDERED | MPERM_R | MPERM_X),
MMU_REGION_FLAT_ENTRY("flexcom3", FLEXCOM3_BASE_ADDRESS, 0x4000,
MT_STRONGLY_ORDERED | MPERM_R | MPERM_W),
FOR_EACH_IDX(MMU_REGION_FLEXCOM_DEFN, (), 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
MMU_REGION_FLAT_ENTRY("gic", GIC_DISTRIBUTOR_BASE, 0x1100,
MT_STRONGLY_ORDERED | MPERM_R | MPERM_W),