From d0fefb76f8a1430c749e67bc72b4dba00c7143c9 Mon Sep 17 00:00:00 2001 From: Jun Wako Date: Sun, 4 Jan 2015 17:03:47 +0900 Subject: infinity: Add initial files for keyboard support --- keyboard/infinity/mbed-infinity/README | 39 ++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 keyboard/infinity/mbed-infinity/README (limited to 'keyboard/infinity/mbed-infinity/README') diff --git a/keyboard/infinity/mbed-infinity/README b/keyboard/infinity/mbed-infinity/README new file mode 100644 index 0000000000..b0d226f793 --- /dev/null +++ b/keyboard/infinity/mbed-infinity/README @@ -0,0 +1,39 @@ +mbed fix for Infinity +===================== +Without linker script patch it doesn't place vector table in final binary. +And clock is configured to 48MHz using internal clock reference and FLL multiplication. + + +mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/system_MK20D5.c + Fix SystemInit: clock setup for internal clock. Inifinity has no external Xtal. + +mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/cmsis_nvic.c + Fix NVIC vector address of firmware 0x1000 instead of 0x0 + +mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/MK20D5.ld + Fix memory map for Infinity bootloader + Flash starts at 0x1000 + No flash config bytes sector + +USBDevice/USBDevice/USBHAL_KL25Z.cpp + Fix USB clock setup, see below. + + +2015/01/04 Based on mbed-sdk @2f63fa7d78a26. + + + +Kinetis USB config +================== +Clock source: Internal reference clock wth FLL + SIM_SOPT[USBSRC] = 1(MCGPLLCLK/MCGFLLCLK) + SIM_SOPT[PLLSEL] = 0(MCGFLLCLK) + +Clock dividor: + SIM_CLKDIV2[USBDIV] = 0 + SIM_CLKDIV2[USBFAC] = 0 + +Clock enable: + SIM_SCGC4[USBOTG] = 1 + + -- cgit v1.2.1