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-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/cpu.c76
-rw-r--r--arch/arm/include/asm/arch-fsl-layerscape/cpu.h12
-rw-r--r--arch/arm/include/asm/arch-fsl-layerscape/mmu.h2
-rw-r--r--board/freescale/ls1012afrdm/ls1012afrdm.c5
-rw-r--r--board/freescale/ls1012aqds/ls1012aqds.c5
-rw-r--r--board/freescale/ls1012ardb/ls1012ardb.c5
-rw-r--r--board/freescale/ls1043aqds/ls1043aqds.c5
-rw-r--r--board/freescale/ls1043ardb/ls1043ardb.c7
-rw-r--r--board/freescale/ls1046aqds/ls1046aqds.c5
-rw-r--r--board/freescale/ls1046ardb/ls1046ardb.c7
-rw-r--r--board/freescale/ls2080a/ls2080a.c7
-rw-r--r--board/freescale/ls2080aqds/ls2080aqds.c7
-rw-r--r--board/freescale/ls2080ardb/ls2080ardb.c8
13 files changed, 113 insertions, 38 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index d82f6d1b82..7e66ee08b5 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -753,3 +753,79 @@ void efi_add_known_memory(void)
}
}
#endif
+
+/*
+ * Before DDR size is known, early MMU table have DDR mapped as device memory
+ * to avoid speculative access. To relocate U-Boot to DDR, "normal memory"
+ * needs to be set for these mappings.
+ * If a special case configures DDR with holes in the mapping, the holes need
+ * to be marked as invalid. This is not implemented in this function.
+ */
+void update_early_mmu_table(void)
+{
+ if (!gd->arch.tlb_addr)
+ return;
+
+ if (gd->ram_size <= CONFIG_SYS_FSL_DRAM_SIZE1) {
+ mmu_change_region_attr(
+ CONFIG_SYS_SDRAM_BASE,
+ gd->ram_size,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ } else {
+ mmu_change_region_attr(
+ CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_DDR_BLOCK1_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+#ifndef CONFIG_SYS_DDR_BLOCK2_SIZE
+#error "Missing CONFIG_SYS_DDR_BLOCK2_SIZE"
+#endif
+ if (gd->ram_size - CONFIG_SYS_DDR_BLOCK1_SIZE >
+ CONFIG_SYS_DDR_BLOCK2_SIZE) {
+ mmu_change_region_attr(
+ CONFIG_SYS_DDR_BLOCK2_BASE,
+ CONFIG_SYS_DDR_BLOCK2_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ mmu_change_region_attr(
+ CONFIG_SYS_DDR_BLOCK3_BASE,
+ gd->ram_size -
+ CONFIG_SYS_DDR_BLOCK1_SIZE -
+ CONFIG_SYS_DDR_BLOCK2_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ } else
+#endif
+ {
+ mmu_change_region_attr(
+ CONFIG_SYS_DDR_BLOCK2_BASE,
+ gd->ram_size -
+ CONFIG_SYS_DDR_BLOCK1_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ }
+ }
+}
+
+__weak int dram_init(void)
+{
+ gd->ram_size = initdram(0);
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+ /* This will break-before-make MMU for DDR */
+ update_early_mmu_table();
+#endif
+
+ return 0;
+}
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
index 4ea4aeaf4c..bcf3e3863e 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
@@ -115,7 +115,11 @@ static struct mm_region early_map[] = {
},
{ CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
CONFIG_SYS_FSL_DRAM_SIZE1,
+#if 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 |
+#endif
PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
},
/* Map IFC region #2 up to CONFIG_SYS_FLASH_BASE for NAND boot */
@@ -130,7 +134,7 @@ static struct mm_region early_map[] = {
},
{ CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2,
CONFIG_SYS_FSL_DRAM_SIZE2,
- PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
},
#elif defined(CONFIG_FSL_LSCH2)
@@ -158,12 +162,16 @@ static struct mm_region early_map[] = {
},
{ CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
CONFIG_SYS_FSL_DRAM_SIZE1,
+#if 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 |
+#endif
PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
},
{ CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2,
CONFIG_SYS_FSL_DRAM_SIZE2,
- PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
},
#endif
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/mmu.h b/arch/arm/include/asm/arch-fsl-layerscape/mmu.h
index d54eacd4a0..d232bec1e4 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/mmu.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/mmu.h
@@ -6,5 +6,5 @@
#ifndef _ASM_ARMV8_FSL_LAYERSCAPE_MMU_H_
#define _ASM_ARMV8_FSL_LAYERSCAPE_MMU_H_
-#include <asm/arch-armv8/mmu.h>
+void update_early_mmu_table(void);
#endif /* _ASM_ARMV8_FSL_LAYERSCAPE_MMU_H_ */
diff --git a/board/freescale/ls1012afrdm/ls1012afrdm.c b/board/freescale/ls1012afrdm/ls1012afrdm.c
index 1f3adc1e88..25d22d25bf 100644
--- a/board/freescale/ls1012afrdm/ls1012afrdm.c
+++ b/board/freescale/ls1012afrdm/ls1012afrdm.c
@@ -12,6 +12,7 @@
#ifdef CONFIG_FSL_LS_PPA
#include <asm/arch/ppa.h>
#endif
+#include <asm/arch/mmu.h>
#include <asm/arch/soc.h>
#include <hwconfig.h>
#include <environment.h>
@@ -48,6 +49,10 @@ int dram_init(void)
mmdc_init(&mparam);
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+ /* This will break-before-make MMU for DDR */
+ update_early_mmu_table();
+#endif
return 0;
}
diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c
index fbda504c04..97ab3400ad 100644
--- a/board/freescale/ls1012aqds/ls1012aqds.c
+++ b/board/freescale/ls1012aqds/ls1012aqds.c
@@ -14,6 +14,7 @@
#include <asm/arch/ppa.h>
#endif
#include <asm/arch/fdt.h>
+#include <asm/arch/mmu.h>
#include <asm/arch/soc.h>
#include <ahci.h>
#include <hwconfig.h>
@@ -76,6 +77,10 @@ int dram_init(void)
mmdc_init(&mparam);
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+ /* This will break-before-make MMU for DDR */
+ update_early_mmu_table();
+#endif
return 0;
}
diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c
index 2a85a1f8f7..a23a23be1f 100644
--- a/board/freescale/ls1012ardb/ls1012ardb.c
+++ b/board/freescale/ls1012ardb/ls1012ardb.c
@@ -12,6 +12,7 @@
#ifdef CONFIG_FSL_LS_PPA
#include <asm/arch/ppa.h>
#endif
+#include <asm/arch/mmu.h>
#include <asm/arch/soc.h>
#include <hwconfig.h>
#include <ahci.h>
@@ -80,6 +81,10 @@ int dram_init(void)
mmdc_init(&mparam);
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+ /* This will break-before-make MMU for DDR */
+ update_early_mmu_table();
+#endif
return 0;
}
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
index 8835a49bb5..6507c09143 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -11,6 +11,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/fdt.h>
+#include <asm/arch/mmu.h>
#include <asm/arch/soc.h>
#include <ahci.h>
#include <hwconfig.h>
@@ -153,6 +154,10 @@ int dram_init(void)
*/
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
gd->ram_size = initdram(0);
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+ /* This will break-before-make MMU for DDR */
+ update_early_mmu_table();
+#endif
return 0;
}
diff --git a/board/freescale/ls1043ardb/ls1043ardb.c b/board/freescale/ls1043ardb/ls1043ardb.c
index e213128c1b..2333843958 100644
--- a/board/freescale/ls1043ardb/ls1043ardb.c
+++ b/board/freescale/ls1043ardb/ls1043ardb.c
@@ -67,13 +67,6 @@ int checkboard(void)
return 0;
}
-int dram_init(void)
-{
- gd->ram_size = initdram(0);
-
- return 0;
-}
-
int board_early_init_f(void)
{
fsl_lsch2_early_init_f();
diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c
index 552365b9d8..af3f70a38b 100644
--- a/board/freescale/ls1046aqds/ls1046aqds.c
+++ b/board/freescale/ls1046aqds/ls1046aqds.c
@@ -11,6 +11,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/fdt.h>
+#include <asm/arch/mmu.h>
#include <asm/arch/soc.h>
#include <ahci.h>
#include <hwconfig.h>
@@ -149,6 +150,10 @@ int dram_init(void)
*/
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
gd->ram_size = initdram(0);
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+ /* This will break-before-make MMU for DDR */
+ update_early_mmu_table();
+#endif
return 0;
}
diff --git a/board/freescale/ls1046ardb/ls1046ardb.c b/board/freescale/ls1046ardb/ls1046ardb.c
index 33a58cf440..02b6c4c375 100644
--- a/board/freescale/ls1046ardb/ls1046ardb.c
+++ b/board/freescale/ls1046ardb/ls1046ardb.c
@@ -56,13 +56,6 @@ int checkboard(void)
return 0;
}
-int dram_init(void)
-{
- gd->ram_size = initdram(0);
-
- return 0;
-}
-
int board_early_init_f(void)
{
fsl_lsch2_early_init_f();
diff --git a/board/freescale/ls2080a/ls2080a.c b/board/freescale/ls2080a/ls2080a.c
index 21ea70bd4d..9e7701d81f 100644
--- a/board/freescale/ls2080a/ls2080a.c
+++ b/board/freescale/ls2080a/ls2080a.c
@@ -49,13 +49,6 @@ void detail_board_ddr_info(void)
#endif
}
-int dram_init(void)
-{
- gd->ram_size = initdram(0);
-
- return 0;
-}
-
#if defined(CONFIG_ARCH_MISC_INIT)
int arch_misc_init(void)
{
diff --git a/board/freescale/ls2080aqds/ls2080aqds.c b/board/freescale/ls2080aqds/ls2080aqds.c
index ec53992bcc..8abf64add8 100644
--- a/board/freescale/ls2080aqds/ls2080aqds.c
+++ b/board/freescale/ls2080aqds/ls2080aqds.c
@@ -254,13 +254,6 @@ void detail_board_ddr_info(void)
#endif
}
-int dram_init(void)
-{
- gd->ram_size = initdram(0);
-
- return 0;
-}
-
#if defined(CONFIG_ARCH_MISC_INIT)
int arch_misc_init(void)
{
diff --git a/board/freescale/ls2080ardb/ls2080ardb.c b/board/freescale/ls2080ardb/ls2080ardb.c
index 7a4c6a3a5c..4c01f560bc 100644
--- a/board/freescale/ls2080ardb/ls2080ardb.c
+++ b/board/freescale/ls2080ardb/ls2080ardb.c
@@ -17,6 +17,7 @@
#include <environment.h>
#include <efi_loader.h>
#include <i2c.h>
+#include <asm/arch/mmu.h>
#include <asm/arch/soc.h>
#include <fsl_sec.h>
@@ -219,13 +220,6 @@ void detail_board_ddr_info(void)
#endif
}
-int dram_init(void)
-{
- gd->ram_size = initdram(0);
-
- return 0;
-}
-
#if defined(CONFIG_ARCH_MISC_INIT)
int arch_misc_init(void)
{
generated by cgit (git 2.34.1) at 2025-01-10 10:51:26 +0000