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refactor(plat/allwinner): allow custom BL31 offset 

Not all Allwinner SoCs have the same arrangement to SRAM A2.

Allow to specify a offset at which BL31 will stay in SRAM A2.

Change-Id: I574140ffd704a796fae0a5c2d0976e85c7fcbdf9
Signed-off-by: Icenowy Zheng <icenowy@sipeed.com>
This commit is contained in:
Icenowy Zheng 2021-07-23 11:35:24 +08:00 committed by Icenowy Zheng
parent 080939f924
commit f04dfbb297
3 changed files with 4 additions and 1 deletions
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3
plat/allwinner/common/include/platform_def.h
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@ -25,7 +25,8 @@
#else /* !SUNXI_BL31_IN_DRAM */
#define BL31_BASE (SUNXI_SRAM_A2_BASE + 0x4000)
#define BL31_BASE (SUNXI_SRAM_A2_BASE + \
SUNXI_SRAM_A2_BL31_OFFSET)
#define BL31_LIMIT (SUNXI_SRAM_A2_BASE + \
SUNXI_SRAM_A2_SIZE - SUNXI_SCP_SIZE)

1
plat/allwinner/sun50i_a64/include/sunxi_mmap.h
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@ -15,6 +15,7 @@
#define SUNXI_SRAM_A1_BASE 0x00010000
#define SUNXI_SRAM_A1_SIZE 0x00008000
#define SUNXI_SRAM_A2_BASE 0x00040000
#define SUNXI_SRAM_A2_BL31_OFFSET 0x00004000
#define SUNXI_SRAM_A2_SIZE 0x00014000
#define SUNXI_SRAM_C_BASE 0x00018000
#define SUNXI_SRAM_C_SIZE 0x0001c000

1
plat/allwinner/sun50i_h6/include/sunxi_mmap.h
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@ -15,6 +15,7 @@
#define SUNXI_SRAM_A1_BASE 0x00020000
#define SUNXI_SRAM_A1_SIZE 0x00008000
#define SUNXI_SRAM_A2_BASE 0x00100000
#define SUNXI_SRAM_A2_BL31_OFFSET 0x00004000
#define SUNXI_SRAM_A2_SIZE 0x00018000
#define SUNXI_SRAM_C_BASE 0x00028000
#define SUNXI_SRAM_C_SIZE 0x0001e000