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authorMarek Vasut <marex@denx.de>2022-12-22 01:46:40 +0100
committerStefano Babic <sbabic@denx.de>2023-01-31 15:46:39 +0100
commit1434f93ee016e55473031e47b84f9fe6f2e26b56 (patch)
treec315587b112a9e092402f2d1a3cbdf5e0d5b24d7 /arch/arm/mach-imx
parent68c0ce8a5cbf3bc0742520c1abfc181968ec0402 (diff)
arm: imx: imx8m: Map RAM as NS if PSCI provider
In case U-Boot is a PSCI provider, map RAM explicitly as NS, otherwise secondary cores crash with SError when attempting to access RAM mapped as secure in EL2. Signed-off-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/imx8m/soc.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 93e10bf06f..cad9200dd1 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -100,6 +100,12 @@ void set_wdog_reset(struct wdog_regs *wdog)
setbits_le16(&wdog->wcr, WDOG_WDT_MASK | WDOG_WDZST_MASK);
}
+#ifdef CONFIG_ARMV8_PSCI
+#define PTE_MAP_NS PTE_BLOCK_NS
+#else
+#define PTE_MAP_NS 0
+#endif
+
static struct mm_region imx8m_mem_map[] = {
{
/* ROM */
@@ -122,7 +128,7 @@ static struct mm_region imx8m_mem_map[] = {
.phys = 0x180000UL,
.size = 0x8000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
- PTE_BLOCK_OUTER_SHARE
+ PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS
}, {
/* TCM */
.virt = 0x7C0000UL,
@@ -130,14 +136,14 @@ static struct mm_region imx8m_mem_map[] = {
.size = 0x80000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
- PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN | PTE_MAP_NS
}, {
/* OCRAM */
.virt = 0x900000UL,
.phys = 0x900000UL,
.size = 0x200000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
- PTE_BLOCK_OUTER_SHARE
+ PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS
}, {
/* AIPS */
.virt = 0xB00000UL,
@@ -152,7 +158,7 @@ static struct mm_region imx8m_mem_map[] = {
.phys = 0x40000000UL,
.size = PHYS_SDRAM_SIZE,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
- PTE_BLOCK_OUTER_SHARE
+ PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS
#ifdef PHYS_SDRAM_2_SIZE
}, {
/* DRAM2 */
@@ -160,7 +166,7 @@ static struct mm_region imx8m_mem_map[] = {
.phys = 0x100000000UL,
.size = PHYS_SDRAM_2_SIZE,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
- PTE_BLOCK_OUTER_SHARE
+ PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS
#endif
}, {
/* empty entrie to split table entry 5 if needed when TEEs are used */