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atsamd: Initial support for SAMD51

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-01-14 18:21:50 -05:00
parent f6ce875818
commit 8cd83b4c2d
17 changed files with 434 additions and 61 deletions
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50
src/atsamd/Kconfig
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@@ -6,10 +6,10 @@ config ATSAMD_SELECT
bool
default y
select HAVE_GPIO
select HAVE_GPIO_ADC
select HAVE_GPIO_ADC if MACH_SAMD21
select HAVE_GPIO_I2C
select HAVE_GPIO_SPI
select HAVE_GPIO_HARD_PWM
select HAVE_GPIO_SPI if MACH_SAMD21
select HAVE_GPIO_HARD_PWM if MACH_SAMD21
select HAVE_GPIO_BITBANGING
config BOARD_DIRECTORY
@@ -18,13 +18,49 @@ config BOARD_DIRECTORY
choice
prompt "Processor model"
config MACH_SAMD21A
bool "SAMD21G18A (Arduino Zero)"
config MACH_SAMD21G18
bool "SAMD21G18 (Arduino Zero)"
select MACH_SAMD21
config MACH_SAMD51G19
bool "SAMD51G19 (Adafruit ItsyBitsy M4)"
select MACH_SAMD51
config MACH_SAMD51J19
bool "SAMD51J19 (Adafruit Metro M4)"
select MACH_SAMD51
config MACH_SAMD51N19
bool "SAMD51N19"
select MACH_SAMD51
config MACH_SAMD51P20
bool "SAMD51P20 (Adafruit Grand Central)"
select MACH_SAMD51
endchoice
config MACH_SAMD21
bool
config MACH_SAMD51
bool
config MCU
string
default "samd21g" if MACH_SAMD21G18
default "samd51g19" if MACH_SAMD51G19
default "samd51j19" if MACH_SAMD51J19
default "samd51n19" if MACH_SAMD51N19
default "samd51p20" if MACH_SAMD51P20
config CLOCK_FREQ
int
default 48000000
default 48000000 if MACH_SAMD21
default 25000000 if MACH_SAMD51 # 200000000/8
choice
depends on MACH_SAMD51
prompt "Clock Reference"
config CLOCK_REF_X32K
bool "32.768Khz crystal"
config CLOCK_REF_INTERNAL
bool "Factory calibration"
endchoice
choice
prompt "Bootloader offset"
@@ -43,7 +79,7 @@ config FLASH_START
default 0x0000
config USBSERIAL
bool "Use USB for communication (instead of serial)"
bool "Use USB for communication (instead of serial)" if MACH_SAMD21
default y
config SERIAL
depends on !USBSERIAL