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authorRajesh Bhagat <rajesh.bhagat@nxp.com>2018-11-05 18:01:37 +0000
committerYork Sun <york.sun@nxp.com>2018-12-06 14:37:19 -0800
commit535d76a1215064866b1eb7f0aa61796fc32d31c1 (patch)
treed818359a7eacaf7f9388dc1c5930411f0a61ca76 /arch
parent9bd5fe7027d9e64b82d11a5769ac56a54bbd8e82 (diff)
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armv8: layerscape: Add TFABOOT support
Adds TFABOOT support config option and add generic code to enable execution from DDR. Signed-off-by: York Sun <york.sun@nxp.com> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/Kconfig7
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/cpu.c9
2 files changed, 13 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index f2111fa..9092757 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -514,3 +514,10 @@ config HAS_FSL_XHCI_USB
help
For some SoC(such as LS1043A and LS1046A), USB and QE-HDLC multiplex use
pins, select it when the pins are assigned to USB.
+
+config TFABOOT
+ bool "Support for booting from TFA"
+ default n
+ help
+ Enabling this will make a U-Boot binary that is capable of being
+ booted via TFA.
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 336909c..901ecb9 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -88,7 +88,8 @@ static struct mm_region early_map[] = {
#endif
{ CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
CONFIG_SYS_FSL_DRAM_SIZE1,
-#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_TFABOOT) || \
+ (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
PTE_BLOCK_MEMTYPE(MT_NORMAL) |
#else /* Start with nGnRnE and PXN and UXN to prevent speculative access */
PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
@@ -139,7 +140,8 @@ static struct mm_region early_map[] = {
#endif
{ CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
CONFIG_SYS_FSL_DRAM_SIZE1,
-#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_TFABOOT) || \
+ (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
PTE_BLOCK_MEMTYPE(MT_NORMAL) |
#else /* Start with nGnRnE and PXN and UXN to prevent speculative access */
PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
@@ -1236,7 +1238,8 @@ void update_early_mmu_table(void)
__weak int dram_init(void)
{
fsl_initdram();
-#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+#if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
+ defined(CONFIG_SPL_BUILD)
/* This will break-before-make MMU for DDR */
update_early_mmu_table();
#endif