1 files changed, 179 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8MQ6/project_template/board.c b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8MQ6/project_template/board.c
new file mode 100644
index 000000000..cfe975c19
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8MQ6/project_template/board.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright 2017 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "fsl_common.h"
+#include "fsl_debug_console.h"
+#include "fsl_rdc.h"
+#include "fsl_iomuxc.h"
+#include "pin_mux.h"
+#include "board.h"
+#include "fsl_clock.h"
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+/* Initialize debug console. */
+void BOARD_InitDebugConsole(void)
+{
+    uint32_t uartClkSrcFreq = BOARD_DEBUG_UART_CLK_FREQ;
+    CLOCK_EnableClock(kCLOCK_Uart2);
+    DbgConsole_Init(BOARD_DEBUG_UART_BASEADDR, BOARD_DEBUG_UART_BAUDRATE, DEBUG_CONSOLE_DEVICE_TYPE_IUART,
+                    uartClkSrcFreq);
+}
+/* Initialize MPU, configure non-cacheable memory */
+void BOARD_InitMemory(void)
+{
+#if defined(__CC_ARM) || defined(__ARMCC_VERSION)
+    extern uint32_t Load$$LR$$LR_cache_region$$Base[];
+    extern uint32_t Image$$ARM_LIB_STACK$$ZI$$Limit[];
+    uint32_t cacheStart = (uint32_t)Load$$LR$$LR_cache_region$$Base;
+    uint32_t size = (cacheStart < 0x20000000U) ? (0) : ((uint32_t)Image$$ARM_LIB_STACK$$ZI$$Limit - cacheStart);
+#else
+    extern uint32_t __CACHE_REGION_START[];
+    extern uint32_t __CACHE_REGION_SIZE[];
+    uint32_t cacheStart = (uint32_t)__CACHE_REGION_START;
+    uint32_t size = (uint32_t)__CACHE_REGION_SIZE;
+#endif
+    uint32_t i = 0;
+    /* Make sure outstanding transfers are done. */
+    __DMB();
+    /* Disable the MPU. */
+    MPU->CTRL = 0;
+
+    /*
+     *  The ARMv7-M default address map define the address space 0x20000000 to 0x3FFFFFFF as SRAM with Normal type, but
+     *  there the address space 0x28000000 ~ 0x3FFFFFFF has been physically mapped to smart subsystems, so there need
+     *  change the default memory attributes.
+     *  Since the base address of MPU region should be multiples of region size, to make it simple, the MPU region 0 set
+     *  the all 512M of SRAM space with device attributes, then disable subregion 0 and 1 (address space 0x20000000 ~
+     *  0x27FFFFFF) to use the
+     *  background memory attributes.
+     */
+
+    /* Select Region 0 and set its base address to the M4 code bus start address. */
+    MPU->RBAR = (0x20000000U & MPU_RBAR_ADDR_Msk) | MPU_RBAR_VALID_Msk | (0 << MPU_RBAR_REGION_Pos);
+
+    /* Region 0 setting:
+    * 1) Disable Instruction Access;
+    * 2) AP = 011b, full access;
+    * 3) Non-shared device;
+    * 4) Region Not Shared;
+    * 5) Sub-Region 0,1 Disabled;
+    * 6) MPU Protection Region size = 512M byte;
+    * 7) Enable Region 0.
+    */
+    MPU->RASR = (0x1 << MPU_RASR_XN_Pos) | (0x3 << MPU_RASR_AP_Pos) | (0x2 << MPU_RASR_TEX_Pos) |
+                (0x3 << MPU_RASR_SRD_Pos) | (28 << MPU_RASR_SIZE_Pos) | MPU_RASR_ENABLE_Msk;
+
+    /*
+     *  Non-cacheable area is provided in DDR memory, the DDR region 2MB - 128MB totally 126MB is revserved for CM4
+     *  cores. You can put global or static uninitialized variables in NonCacheable section(initialized variables in
+     *  NonCacheable.init section) to make them uncacheable. Since the base address of MPU region should be multiples of
+     * region size,
+     *  to make it simple, the MPU region 1 & 2 set all DDR address space 0x40000000 ~ 0xBFFFFFFF to be non-cacheable).
+     *  Then MPU region 3 set the text and data section to be cacheable if the program running on DDR.
+     *  The cacheable area base address should be multiples of its size in linker file, they can be modified per your
+     * needs.
+     */
+
+    /* Select Region 1 and set its base address to the DDR start address. */
+    MPU->RBAR = (0x40000000U & MPU_RBAR_ADDR_Msk) | MPU_RBAR_VALID_Msk | (1 << MPU_RBAR_REGION_Pos);
+
+    /* Region 1 setting:
+    * 1) Enable Instruction Access;
+    * 2) AP = 011b, full access;
+    * 3) Shared Device;
+    * 4) MPU Protection Region size = 1024M byte;
+    * 5) Enable Region 1.
+    */
+    MPU->RASR = (0x3 << MPU_RASR_AP_Pos) | (0x1 << MPU_RASR_B_Pos) | (29 << MPU_RASR_SIZE_Pos) | MPU_RASR_ENABLE_Msk;
+
+    /* Select Region 2 and set its base address to the DDR start address. */
+    MPU->RBAR = (0x80000000U & MPU_RBAR_ADDR_Msk) | MPU_RBAR_VALID_Msk | (2 << MPU_RBAR_REGION_Pos);
+
+    /* Region 2 setting:
+    * 1) Enable Instruction Access;
+    * 2) AP = 011b, full access;
+    * 3) Shared Device;
+    * 4) MPU Protection Region size = 1024M byte;
+    * 5) Enable Region 2.
+    */
+    MPU->RASR = (0x3 << MPU_RASR_AP_Pos) | (0x1 << MPU_RASR_B_Pos) | (29 << MPU_RASR_SIZE_Pos) | MPU_RASR_ENABLE_Msk;
+
+    while ((size >> i) > 0x1U)
+    {
+        i++;
+    }
+
+    /* If run on DDR, configure text and data section to be cacheable */
+    if (i != 0)
+    {
+        /* The MPU region size should be 2^N, 5<=N<=32, region base should be multiples of size. */
+        assert((size & (size - 1)) == 0);
+        assert(!(cacheStart % size));
+        assert(size == (uint32_t)(1 << i));
+        assert(i >= 5);
+
+        /* Select Region 3 and set its base address to the cache able region start address. */
+        MPU->RBAR = (cacheStart & MPU_RBAR_ADDR_Msk) | MPU_RBAR_VALID_Msk | (3 << MPU_RBAR_REGION_Pos);
+
+        /* Region 3 setting:
+        * 1) Enable Instruction Access;
+        * 2) AP = 011b, full access;
+        * 3) Outer and inner Cacheable, write and read allocate;
+        * 4) Region Not Shared;
+        * 5) All Sub-Region Enabled;
+        * 6) MPU Protection Region size get from linker file;
+        * 7) Enable Region 3.
+        */
+        MPU->RASR = (0x3 << MPU_RASR_AP_Pos) | (0x1 << MPU_RASR_TEX_Pos) | (0x1 << MPU_RASR_C_Pos) |
+                    (0x1 << MPU_RASR_B_Pos) | ((i - 1) << MPU_RASR_SIZE_Pos) | MPU_RASR_ENABLE_Msk;
+    }
+
+    /* Enable Privileged default memory map and the MPU. */
+    MPU->CTRL = MPU_CTRL_ENABLE_Msk | MPU_CTRL_PRIVDEFENA_Msk;
+    /* Memory barriers to ensure subsequence data & instruction
+    * transfers using updated MPU settings.
+    */
+    __DSB();
+    __ISB();
+}
+
+void BOARD_RdcInit(void)
+{
+    /* Move M4 core to specific RDC domain 1 */
+    rdc_domain_assignment_t assignment = {0};
+
+    assignment.domainId = BOARD_DOMAIN_ID;
+    RDC_SetMasterDomainAssignment(RDC, kRDC_Master_M4, &assignment);
+    /*
+     *  The M4 core is running at domain 1, enable clock gate for Iomux and Gpio to run at domain 1.
+     */
+    CLOCK_EnableClock(kCLOCK_Gpio1);
+    CLOCK_EnableClock(kCLOCK_Gpio2);
+    CLOCK_EnableClock(kCLOCK_Gpio3);
+    CLOCK_EnableClock(kCLOCK_Gpio4);
+    CLOCK_EnableClock(kCLOCK_Gpio5);
+
+    CLOCK_EnableClock(kCLOCK_Iomux0);
+    CLOCK_EnableClock(kCLOCK_Iomux1);
+    CLOCK_EnableClock(kCLOCK_Iomux2);
+    CLOCK_EnableClock(kCLOCK_Iomux3);
+    CLOCK_EnableClock(kCLOCK_Iomux4);
+    /*
+     *  The M4 core is running at domain 1, enable the PLL clock sources to domain 1.
+     */
+    CLOCK_ControlGate(kCLOCK_SysPll1Gate, kCLOCK_ClockNeededAll);   /* Enabel SysPLL1 to Domain 1 */
+    CLOCK_ControlGate(kCLOCK_SysPll2Gate, kCLOCK_ClockNeededAll);   /* Enable SysPLL2 to Domain 1 */
+    CLOCK_ControlGate(kCLOCK_SysPll3Gate, kCLOCK_ClockNeededAll);   /* Enable SysPLL3 to Domain 1 */
+    CLOCK_ControlGate(kCLOCK_AudioPll1Gate, kCLOCK_ClockNeededAll); /* Enable AudioPLL1 to Domain 1 */
+    CLOCK_ControlGate(kCLOCK_AudioPll2Gate, kCLOCK_ClockNeededAll); /* Enable AudioPLL2 to Domain 1 */
+    CLOCK_ControlGate(kCLOCK_VideoPll1Gate, kCLOCK_ClockNeededAll); /* Enable VideoPLL1 to Domain 1 */
+}