[GitHub] [incubator-nuttx] raiden00pl commented on a diff in pull request #6730: boards/stm32f7: add intial support for ST steval-eth001v1 board

[GitBox <gi...@apache.org>]

raiden00pl commented on code in PR #6730:
URL: https://github.com/apache/incubator-nuttx/pull/6730#discussion_r932076544


##########
boards/arm/stm32f7/steval-eth001v1/include/board.h:
##########
@@ -0,0 +1,216 @@
+/****************************************************************************
+ * boards/arm/stm32f7/steval-eth001v1/include/board.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_ARM_STM32F7_STEVAL_ETH001V1_INCLUDE_BOARD_H
+#define __BOARDS_ARM_STM32F7_STEVAL_ETH001V1_INCLUDE_BOARD_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#ifndef __ASSEMBLY__
+# include <stdint.h>
+#endif
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Clocking */
+
+/* HSI: 16 MHz RC factory-trimmed
+ * LSI: 32 KHz RC
+ * HSE: On-board crystal frequency is 26MHz
+ * LSE: 32.768 kHz
+ */
+
+#define STM32_BOARD_XTAL        26000000ul
+
+#define STM32_HSI_FREQUENCY     16000000ul
+#define STM32_LSI_FREQUENCY     32000
+#define STM32_HSE_FREQUENCY     STM32_BOARD_XTAL
+#define STM32_LSE_FREQUENCY     32768
+
+/* Main PLL Configuration.
+ *
+ * PLL source is HSE = 26,000,000
+ *
+ * PLL_VCO = (STM32_HSE_FREQUENCY / PLLM) * PLLN
+ * Subject to:
+ *
+ *     2 <= PLLM <= 63
+ *   192 <= PLLN <= 432
+ *   192 MHz <= PLL_VCO <= 432MHz
+ *
+ * SYSCLK  = PLL_VCO / PLLP
+ * Subject to
+ *
+ *   PLLP = {2, 4, 6, 8}
+ *   SYSCLK <= 216 MHz
+ *
+ * USB OTG FS, SDMMC and RNG Clock = PLL_VCO / PLLQ
+ * Subject to
+ *   The USB OTG FS requires a 48 MHz clock to work correctly. The SDMMC
+ *   and the random number generator need a frequency lower than or equal
+ *   to 48 MHz to work correctly.
+ *
+ * 2 <= PLLQ <= 15
+ */
+
+/* Highest SYSCLK
+ *
+ * PLL_VCO = (26,000,000 / 26) * 432 = 432 MHz
+ * SYSCLK  = 432 MHz / 2 = 216 MHz
+ */
+
+#define STM32_PLLCFG_PLLM       RCC_PLLCFG_PLLM(26)
+#define STM32_PLLCFG_PLLN       RCC_PLLCFG_PLLN(432)
+#define STM32_PLLCFG_PLLP       RCC_PLLCFG_PLLP_2
+#define STM32_PLLCFG_PLLQ       RCC_PLLCFG_PLLQ(10)
+
+#define STM32_VCO_FREQUENCY     ((STM32_HSE_FREQUENCY / 25) * 432)

Review Comment:
   fixed



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