mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-11-24 09:27:36 +06:00
40 lines
1.1 KiB
Plaintext
40 lines
1.1 KiB
Plaintext
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mbed fix for Infinity
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=====================
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Without linker script patch it doesn't place vector table in final binary.
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And clock is configured to 48MHz using internal clock reference and FLL multiplication.
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mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/system_MK20D5.c
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Fix SystemInit: clock setup for internal clock. Inifinity has no external Xtal.
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mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/cmsis_nvic.c
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Fix NVIC vector address of firmware 0x1000 instead of 0x0
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mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/MK20D5.ld
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Fix memory map for Infinity bootloader
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Flash starts at 0x1000
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No flash config bytes sector
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USBDevice/USBDevice/USBHAL_KL25Z.cpp
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Fix USB clock setup, see below.
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2015/01/04 Based on mbed-sdk @2f63fa7d78a26.
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Kinetis USB config
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==================
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Clock source: Internal reference clock wth FLL
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SIM_SOPT[USBSRC] = 1(MCGPLLCLK/MCGFLLCLK)
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SIM_SOPT[PLLSEL] = 0(MCGFLLCLK)
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Clock dividor:
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SIM_CLKDIV2[USBDIV] = 0
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SIM_CLKDIV2[USBFAC] = 0
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Clock enable:
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SIM_SCGC4[USBOTG] = 1
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