LPC566XX LPCXpresso: Update to add QSPI support

Signed-off-by: Mahesh Mahadevan <[email protected]>

Author: mmahadevan108

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_LPCXpresso/PeripheralNames.h

@@ -105,6 +105,10 @@ typedef enum {
     SPI_1 = Flexcomm9
 } SPIName;
 
+typedef enum {
+    QSPI_0 = 0
+} QSPIName;
+
 #ifdef __cplusplus
 }
 #endif

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_LPCXpresso/PeripheralPins.c

@@ -115,3 +115,21 @@ const PinMap PinMap_SPI_SSEL[] = {
 const PinMap PinMap_PWM[] = {
     {NC   , NC    , 0}
 };
+
+/************QSPI***************/
+const PinMap PinMap_QSPI_DATA[] = {
+    {P0_24, QSPI_0, 6},
+    {P0_25, QSPI_0, 6},
+    {P0_28, QSPI_0, 6},
+    {P0_27, QSPI_0, 6},
+    {NC   , NC    , 0}
+};
+ const PinMap PinMap_QSPI_SCLK[] = {
+    {P0_26, QSPI_0, 6},
+    {NC   , NC    , 0}
+};
+ const PinMap PinMap_QSPI_SSEL[] = {
+    {P0_23, QSPI_0, 6},
+    {NC   , NC    , 0}
+};
+

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_LPCXpresso/PinNames.h

@@ -219,6 +219,14 @@ typedef enum {
     I2C_SCL = D15,
     I2C_SDA = D14,
 
+    /**** QSPI FLASH pins ****/
+    QSPI_FLASH1_IO0 = P0_24,
+    QSPI_FLASH1_IO1 = P0_25,
+    QSPI_FLASH1_IO2 = P0_28,
+    QSPI_FLASH1_IO3 = P0_27,
+    QSPI_FLASH1_SCK = P0_26,
+    QSPI_FLASH1_CSN = P0_23,
+
     A0 = P0_16,
     A1 = P0_31,
     A2 = P1_0,

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_LPCXpresso/mbed_overrides.c

@@ -172,3 +172,12 @@ void BOARD_InitSDRAM(void)
     /* EMC Dynamc memory configuration. */
     EMC_DynamicMemInit(EMC, &dynTiming, &dynChipConfig, 1);
 }
+
+// Get the QSPI clock frequency
+uint32_t qspi_get_freq(void)
+{
+    CLOCK_AttachClk(kFRO_HF_to_SPIFI_CLK);
+
+    return CLOCK_GetFroHfFreq();
+}
+

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC546XX/TARGET_LPCXpresso/qspi_device.h

@@ -0,0 +1,43 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018, ARM Limited
+ * All rights reserved.
+ *
+ * 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 of STMicroelectronics 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 HOLDER 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 _FSL_MBED_QSPI_DEVICE_H_
+#define _FSL_MBED_QSPI_DEVICE_H_
+
+#include "fsl_spifi.h"
+
+#define FLASH_SIZE            0x00400000U
+#define FLASH_PAGE_SIZE       256U
+
+/* Pre-defined commands */
+spifi_command_t preset_spifi_command[2] = {
+    {FLASH_PAGE_SIZE, false, kSPIFI_DataInput, 0, kSPIFI_CommandAllSerial, kSPIFI_CommandOpcodeAddrThreeBytes, 0x3},
+    {FLASH_PAGE_SIZE, false, kSPIFI_DataOutput, 0, kSPIFI_CommandAllSerial, kSPIFI_CommandOpcodeAddrThreeBytes, 0x2}
+};
+
+#endif /* _FSL_MBED_QSPI_DEVICE_H_*/