86 lines
2.6 KiB
Python
Executable File
86 lines
2.6 KiB
Python
Executable File
SIZE_1M = 0x100000
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SIZE_1K = 1024
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# Only attributes in class MemoryMap are generated to .h
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class MemoryMap:
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# No prefix "CVIMMAP_" for the items in _no_prefix[]
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_no_prefix = [
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"CONFIG_SYS_TEXT_BASE" # u-boot's CONFIG_SYS_TEXT_BASE is used without CPP.
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]
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DRAM_BASE = 0x80000000
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DRAM_SIZE = 256 * SIZE_1M
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# ==============
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# C906L FreeRTOS
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# ==============
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FREERTOS_SIZE = 2 * SIZE_1M
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# FreeRTOS is at the end of DRAM
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FREERTOS_ADDR = DRAM_BASE + DRAM_SIZE - FREERTOS_SIZE
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FSBL_C906L_START_ADDR = FREERTOS_ADDR
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# ==============================
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# OpenSBI | arm-trusted-firmware
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# ==============================
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# Monitor is at the begining of DRAM
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MONITOR_ADDR = DRAM_BASE
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ATF_SIZE = 512 * SIZE_1K
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OPENSBI_SIZE = 512 * SIZE_1K
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OPENSBI_FDT_ADDR = MONITOR_ADDR + OPENSBI_SIZE
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# =========================
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# memory@DRAM_BASE in .dts.
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# =========================
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# Ignore the area of FreeRTOS in u-boot and kernel
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KERNEL_MEMORY_ADDR = DRAM_BASE
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KERNEL_MEMORY_SIZE = DRAM_SIZE - FREERTOS_SIZE
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# =================
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# Multimedia buffer. Used by u-boot/kernel/FreeRTOS
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# =================
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ION_SIZE = 75 * SIZE_1M
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H26X_BITSTREAM_SIZE = 2 * SIZE_1M
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H26X_ENC_BUFF_SIZE = 0
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ISP_MEM_BASE_SIZE = 20 * SIZE_1M
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FREERTOS_RESERVED_ION_SIZE = H26X_BITSTREAM_SIZE + H26X_ENC_BUFF_SIZE + ISP_MEM_BASE_SIZE
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# ION after FreeRTOS
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ION_ADDR = FREERTOS_ADDR - ION_SIZE
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# Buffers of the fast image are inside the ION buffer
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H26X_BITSTREAM_ADDR = ION_ADDR
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H26X_ENC_BUFF_ADDR = H26X_BITSTREAM_ADDR + H26X_BITSTREAM_SIZE
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ISP_MEM_BASE_ADDR = H26X_ENC_BUFF_ADDR + H26X_ENC_BUFF_SIZE
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assert ISP_MEM_BASE_ADDR + ISP_MEM_BASE_SIZE <= ION_ADDR + ION_SIZE
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# Boot logo is after the ION buffer
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# Framebuffer uses boot logo's reserved memory
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BOOTLOGO_SIZE = 1800 * SIZE_1K
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BOOTLOGO_ADDR = ION_ADDR - BOOTLOGO_SIZE
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FRAMEBUFFER_SIZE = BOOTLOGO_SIZE
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FRAMEBUFFER_ADDR = BOOTLOGO_ADDR
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# ===================
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# FSBL and u-boot-2021
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# ===================
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CVI_UPDATE_HEADER_SIZE = SIZE_1K
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UIMAG_SIZE = 16 * SIZE_1M
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# kernel image loading buffer
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UIMAG_ADDR = DRAM_BASE + 24 * SIZE_1M
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CVI_UPDATE_HEADER_ADDR = UIMAG_ADDR - CVI_UPDATE_HEADER_SIZE
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# FSBL decompress buffer
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FSBL_UNZIP_ADDR = UIMAG_ADDR
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FSBL_UNZIP_SIZE = UIMAG_SIZE
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assert UIMAG_ADDR + UIMAG_SIZE <= BOOTLOGO_ADDR
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# u-boot's run address and entry point
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CONFIG_SYS_TEXT_BASE = DRAM_BASE + 2 * SIZE_1M
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# u-boot's init stack point is only used before board_init_f()
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CONFIG_SYS_INIT_SP_ADDR = UIMAG_ADDR + UIMAG_SIZE
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