/************************************************************************************ * configs/tms570ls31x-usb-kit/include/board.h * * Copyright (C) 2017 Ivan Ucherdzhiev. All rights reserved. * Author: Ivan Ucherdzhiev * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ************************************************************************************/ #ifndef __CONFIGS_TMX570LS31X_USB_KIT_INCLUDE_BOARD_H #define __CONFIGS_TMX570LS31X_USB_KIT_INCLUDE_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include #ifndef __ASSEMBLY__ # include # include #endif /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* The tms570ls31x-usb-kit has a 16 MHz external crystal. */ #define BOARD_FCLKIN_FREQUENCY 16000000 /* 16 MHz crystal frequency */ /* The maximum frequency for the TMS570LS3137 is 180 MHz. * * REFCLKDIV controls input clock divider: * * NR = REFCLKDIV+1 * Fintclk = Fclkin / NR * * PLLMUL controls multipler on divided input clock (Fintclk): * * Non-modulated: * NF = (PLLMUL + 256) / 256 * Modulated: * NF = (PLLMUL + MULMOD + 256) / 256 * * Foutputclk = Fintclk x NF (150MHz - 550MHz) * * ODPLL controls internal PLL output divider: * * OD = ODPLL+1 * Fpostodclk = Foutputclock / OD * * Final divisor, R, controls PLL output: * * R = PLLDIV + 1 * Fpllclock = Fpostodclk / R * * Or: * * Fpllclock = = (Fclkin / NR) x NF / OD / R * * In this case, we have: * * Fclkin = 16,000,000 * NR = 6 (REFCLKDIV=5) * NF = 120 (PLLMUL = 119 * 256) * OD = 1 (ODPLL = 0) * R = 2 (PLLDIV=1) * * Then: * * Fintclk = 16 MHz / 6 = 2.667 MHz * Foutputclock = 2.667 MHz * 135 = 360 MHz * Fpostodclock = 320 MHz / 2 = 180 MHz * Fpllclock = 160 MHz / 1 = 180 MHz */ #define BOARD_PLL_NR 6 /* REFCLKDIV = 5 */ #define BOARD_PLL_NF 135 /* PLLMUL = 119 * 256 */ #define BOARD_PLL_OD 2 /* ODPLL = 1 */ #define BOARD_PLL_R 1 /* PLLDIV = 1 */ #define BOARD_PLL_FREQUENCY 180000000 /* Clock Sources / Dividers * * GCLK and HCLK are both driven by PLL1. * VCLK is driven by HCLK (optionally by HCLK/2) * RTICLK source is VCLK/2 (optionally from VCLK) */ #define BOARD_VCLK_DIVIDER 2 #define BOARD_VCLK2_DIVIDER 2 #define BOARD_VCLK3_DIVIDER 2 #define BOARD_RTICLK_DIVIDER 1 #define BOARD_VCLK4_DIVIDER 1 /* Resulting frequencies: * * GCLK and HCLK are both driven by PLL1. * VCLK is driven by HCLK (optionally by HCLK/2) * RTICLK source is VCLK/2 (optionally from VCLK) */ #define BOARD_GCLK_FREQUENCY BOARD_PLL_FREQUENCY #define BOARD_HCLK_FREQUENCY BOARD_PLL_FREQUENCY #define BOARD_VCLK_FREQUENCY BOARD_PLL_FREQUENCY/ BOARD_VCLK_DIVIDER #define BOARD_VCLK2_FREQUENCY BOARD_PLL_FREQUENCY / BOARD_VCLK2_DIVIDER #define BOARD_VCLK3_FREQUENCY BOARD_PLL_FREQUENCY / BOARD_VCLK3_DIVIDER #define BOARD_VCLKA1_FREQUENCY BOARD_VCLK1_FREQUENCY #define BOARD_VCLKA2_FREQUENCY BOARD_VCLK1_FREQUENCY #define BOARD_RTICLK_FREQUENCY (BOARD_PLL_FREQUENCY / (1 << BOARD_RTICLK_DIVIDER )) #define BOARD_VCLKA4_FREQUENCY BOARD_VCLK1_FREQUENCY / BOARD_VCLK4_DIVIDER /* FLASH wait states */ #define BOARD_ASWAIT 1 /* No address setup wait states */ #define BOARD_RWAIT 3 /* One read access wait state */ #define BOARD_EWAIT 3 /* Four wait states for EEPROM access */ /* PIN Multiplexor Initializer ******************************************************/ /* You may specify one alternative from each set (the first is the default and, * hence, could probably be omitted): * * 1. {GIOA0, SPI3nCS3} * 2. {GIOA1, SPI3nCS2} * 3. {GIOA2, SPI3nCS1} * 4. {GIOA3, SPI2nCS3} * 5. {GIOA4, SPI2nCS2} * 6. {GIOA5, EXTCLKIN} * 7. {GIOA6, SPI2nCS1, N2HET31} * 8. {GIOA7, N2HET29} * 9. {MIBSPI1nCS2, N2HET20, N2HET19} * 10. {SPI3CLK, EQEPA} * 11. {SPI3nENA, EQEPB} * 12. {SPI3nCS0, EQEPI}} * 13. {MIBSPI1nCS3, N2HET26} * 14. {ADEVT, N2HET28} * 15. {MIBSPI1nENA, N2HET23, NHET30} * 16. {MIBSPI1nCS1, EQEPS, N2HET17} */ #define BOARD_PINMUX_INITIALIZER \ PINMUX_GIOA0_PIN, \ PINMUX_GIOA1_PIN, \ PINMUX_GIOA2_PIN, \ PINMUX_GIOA3_PIN, \ PINMUX_GIOA4_PIN, \ PINMUX_GIOA5_PIN, \ PINMUX_GIOA6_PIN, \ PINMUX_GIOA7_PIN, \ PINMUX_MIBSPI1NCS2_PIN, \ PINMUX_SPI3CLK_PIN, \ PINMUX_SPI3NENA_PIN, \ PINMUX_SPI3NCS0_PIN, \ PINMUX_MIBSPI1NCS3_PIN, \ PINMUX_ADEVT_PIN, \ PINMUX_MIBSPI1NENA_PIN, \ PINMUX_MIBSPI1NCS1_PIN /* LED definitions ******************************************************************/ /* LEDs * * The launchpad has several LEDs: * * - LEd D1 (white) that connects to the USB +5V supply, * - LED D10 (red) that connects to the TMS570's NERROR pin, * - D5 (blue), D6 (blue), and D8 (blue) connect to the XDS100 FT2322, * - D7 (blue) connects to the XSD100 CPLD, and * - Two white, user LEDs labeled D12 that connects to the NHET08 * pin and D11 that connects to GIOA2. * * NHET08 is one of 32 N2HET pins than can be available to the user if not used by * N2HET. This implementation, however, uses only the single LED driven by GIOA2. * That LED is tied to ground and illuminated with a high level output value. */ /* LED index values for use with board_userled() */ #define BOARD_LED_D11 0 #define BOARD_NLEDS 1 /* LED bits for use with board_userled_all() */ #define BOARD_LED_D11_BIT (1 << BOARD_LED_D11) /* SPI1 Chip Select pin */ #define SPI1_SDCARD_CS PIN_HIGH | PIN_PULLUP | PIN_PUPD_DIS | PIN_OPEN_DRAIN_DIS | \ PIN_DIR_OUTPUT | GIO_FUNC | SPI_PORT1 | SPI_GIO_CS1 /* Spi4 Chip Select pin */ #define SPI4_SDCARD_CS PIN_HIGH | PIN_PULLUP | PIN_PUPD_DIS | PIN_OPEN_DRAIN_DIS | \ PIN_DIR_OUTPUT | GIO_FUNC | SPI_PORT4 | SPI_GIO_CS0 /* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is * defined. In that case, the usage by the board port is defined in * include/board.h and src/sam_autoleds.c. The LEDs are used to encode * OS-related events as follows: * * ---------------------- ---------------------------- ------ * SYMBOL Meaning LED * ---------------------- ---------------------------- ------ */ #define LED_STARTED 1 /* NuttX has been started OFF */ #define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF */ #define LED_IRQSENABLED 0 /* Interrupts enabled OFF */ #define LED_STACKCREATED 1 /* Idle stack created ON */ #define LED_INIRQ 2 /* In an interrupt N/C */ #define LED_SIGNAL 2 /* In a signal handler N/C */ #define LED_ASSERTION 2 /* An assertion failed N/C */ #define LED_PANIC 3 /* The system has crashed FLASH */ #undef LED_IDLE /* MCU is is sleep mode Not used */ /* Thus if the LED is statically on, NuttX has successfully booted and is, * apparently, running normally. If the LED is flashing at approximately * 2Hz, then a fatal error has been detected and the system has halted. */ /* Button definitions ***************************************************************/ /* Buttons * * The launchpad has three mechanical buttons. Two of these are reset buttons: One * button is labeled PORRST performs a power-on reset and one labeled RST performs * an MCU reset. Only one button is available for general software usage. That * button is labeled GIOA7 and is, obviously, sensed on GIOA7. * * GIOA7 is tied to ground, but will be pulled high if the GIOA7 button is * depressed. */ #define BUTTON_GIOA7 0 #define NUM_BUTTONS 1 #define BUTTON_GIOA7_BIT (1 << BUTTON_GIOA7) /************************************************************************************ * Public Data ************************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /************************************************************************************ * Public Function Prototypes ************************************************************************************/ #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_LAUNCHXL_TMS57004_INCLUDE_BOARD_H */