powerpc/p2020: Move INIT_RAM_ADDR physical address higher for 36-bit for P2020DS

If 36-bit is enabled, move INIT_RAM_ADDR physical address higher
to free lowest 4GB address space.

Signed-off-by: York Sun <yorksun@freescale.com>

diff --git a/board/freescale/p2020ds/tlb.c b/board/freescale/p2020ds/tlb.c
index 36ad086d0893a7de1df4ff2af1622e537e671a67..824b3b29f08aace97855143b6dd3f57b437db46a 100644 (file)
--- a/board/freescale/p2020ds/tlb.c
+++ b/board/freescale/p2020ds/tlb.c
@@ -28,19 +28,19 @@
 
 struct fsl_e_tlb_entry tlb_table[] = {
        /* TLB 0 - for temp stack in cache */
-       SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
+       SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR_PHYS,
                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
                      0, 0, BOOKE_PAGESZ_4K, 0),
        SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
-                     CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
+                     CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
                      0, 0, BOOKE_PAGESZ_4K, 0),
        SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
-                     CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
+                     CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
                      0, 0, BOOKE_PAGESZ_4K, 0),
        SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
-                     CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
+                     CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
                      0, 0, BOOKE_PAGESZ_4K, 0),
 

diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h
index bf2acbf4c4716dea41561f528eea343d54b682a1..a1ecf0524ee8f123508503db93633d3c5834a689 100644 (file)
--- a/include/configs/P2020DS.h
+++ b/include/configs/P2020DS.h
@@ -249,6 +249,18 @@
 
 #define CONFIG_SYS_INIT_RAM_LOCK       1
 #define CONFIG_SYS_INIT_RAM_ADDR       0xffd00000      /* Initial L1 address */
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_INIT_RAM_ADDR_PHYS_HIGH 0xf
+#define CONFIG_SYS_INIT_RAM_ADDR_PHYS_LOW CONFIG_SYS_INIT_RAM_ADDR
+/* The assembler doesn't like typecast */
+#define CONFIG_SYS_INIT_RAM_ADDR_PHYS \
+       ((CONFIG_SYS_INIT_RAM_ADDR_PHYS_HIGH * 1ull << 32) | \
+         CONFIG_SYS_INIT_RAM_ADDR_PHYS_LOW)
+#else
+#define CONFIG_SYS_INIT_RAM_ADDR_PHYS  CONFIG_SYS_INIT_RAM_ADDR /* Initial L1 address */
+#define CONFIG_SYS_INIT_RAM_ADDR_PHYS_HIGH 0
+#define CONFIG_SYS_INIT_RAM_ADDR_PHYS_LOW CONFIG_SYS_INIT_RAM_ADDR_PHYS
+#endif
 #define CONFIG_SYS_INIT_RAM_END        0x00004000      /* End of used area in RAM */
 
 #define CONFIG_SYS_GBL_DATA_SIZE       128     /* num bytes initial data */