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

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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>
This commit is contained in:
york 2010-07-02 22:26:03 +00:00 committed by Kumar Gala
parent a3f18529ec
commit d51cc7a0cd
2 changed files with 16 additions and 4 deletions
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8
board/freescale/p2020ds/tlb.c
View file

@ -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),

12
include/configs/P2020DS.h
View file

@ -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 */