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Merge pull request #13607 from benpicco/cpu/sam0_common/generic_RAM_ROM

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cpu/sam0_common: derive ROM_LEN & RAM_LEN from part number
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Dylan Laduranty 2020-03-31 15:55:04 +02:00 committed by GitHub
commit 783ffdc28a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 18 deletions
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30
cpu/sam0_common/Makefile.include
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@ -4,25 +4,19 @@ CFLAGS += -DCPU_FAM_$(call uppercase_and_underscore,$(CPU_FAM))
# Generate ASF compatible model definition
CFLAGS += -D__$(call uppercase_and_underscore,$(CPU_MODEL))__
# Set ROM and RAM lengths according to CPU model
ifneq (,$(filter samd21g18a samd21j18a saml21j18b saml21j18a samr21e18a \
samr21g18a samr30g18a samr34j18b,$(CPU_MODEL)))
# Compute CPU_LINE
LINE := $(shell echo $(CPU_MODEL) | sed -E -e 's/^sam([a-z][0-9][0-9])(.)([0-9][0-9])(.)/\1 \2 \3 \4/')
FAMILY := $(word 1, $(LINE))
TYPE1 := $(word 2, $(LINE))
MEMORY := $(word 3, $(LINE))
TYPE2 := $(word 4, $(LINE))
ROM_LEN ?= 0x40000
RAM_LEN ?= 0x8000
endif
ifneq (,$(filter saml10e16a saml11e16a,$(CPU_MODEL)))
ROM_LEN ?= 64K
RAM_LEN ?= 16K
endif
ifneq (,$(filter samd21j17d,$(CPU_MODEL)))
ROM_LEN ?= 128K
RAM_LEN ?= 16K
endif
ifneq (,$(filter samd51j20a same54p20a,$(CPU_MODEL)))
ROM_LEN ?= 1024K
RAM_LEN ?= 256K
endif
# ROM length is directly encoded in the part number
ROM_LEN := $(shell echo $$((1 << $(MEMORY))))
# get vendor file to extract RAM length
VENDOR_FILE := $(shell find $(RIOTCPU)/sam0_common/include/vendor/sam$(FAMILY) -name $(CPU_MODEL).h | grep include.*/sam)
RAM_LEN := $(shell sed -E -n 's/\#define (HMCRAMC0_SIZE|HSRAM_SIZE).*(0x[[:xdigit:]]*).*/\2/p' $(VENDOR_FILE))
ROM_START_ADDR ?= 0x00000000
RAM_START_ADDR ?= 0x20000000