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Generate flash images

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TODO(scaprile): check when and if following is needed

  flash_init();                   // setup pins and clocks to access board flash
This commit is contained in:
Sergio R. Caprile 2023-11-29 10:47:05 -03:00
parent f9bbb37721
commit c02c1130ed
15 changed files with 648 additions and 55 deletions
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14
examples/nxp/rt1020-evk-make-baremetal-builtin/Makefile
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@ -3,7 +3,8 @@ CFLAGS += -Wformat-truncation -fno-common -Wconversion -Wno-sign-conversion
CFLAGS += -g3 -Os -ffunction-sections -fdata-sections
CFLAGS += -I. -Icmsis_core/CMSIS/Core/Include -Icmsis_mcu/devices/MIMXRT1021 #-DCPU_MIMXRT1021DAG5A
CFLAGS += -mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-d16 $(CFLAGS_EXTRA)
LDFLAGS ?= -Tlink_ram.ld -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
LDSCRIPT = link_ram.ld
LDFLAGS ?= -T$(LDSCRIPT) -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
SOURCES = main.c syscalls.c sysinit.c
SOURCES += cmsis_mcu/devices/MIMXRT1021/gcc/startup_MIMXRT1021.S # NXP startup file. Compiler-dependent!
@ -23,10 +24,15 @@ endif
all build example: firmware.bin
image: LDSCRIPT = link.ld
image: SOURCES += flash_image.c net.c packed_fs.c # no room to run dashboard in RAM w/ default config
image: CFLAGS += -DRUNINFLASH
image: firmware.bin
firmware.bin: firmware.elf
arm-none-eabi-objcopy -O binary $< $@
firmware.elf: cmsis_core cmsis_mcu $(SOURCES) hal.h link_ram.ld Makefile
firmware.elf: cmsis_core cmsis_mcu $(SOURCES) hal.h link_ram.ld link.ld Makefile
arm-none-eabi-gcc $(SOURCES) $(CFLAGS) $(LDFLAGS) -o $@
arm-none-eabi-size $@
@ -60,10 +66,12 @@ update: firmware.bin
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"'"$$REQ"'"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"wm,e000edf0,a05f0001"}'
test update: CFLAGS += -DUART_DEBUG=LPUART2
test update testimage: CFLAGS += -DUART_DEBUG=LPUART2
test: update
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
testimage: image
clean:
$(RM) firmware.* *.su cmsis_core cmsis_mcu mbedtls *.zip

91
examples/nxp/rt1020-evk-make-baremetal-builtin/dcd.h Normal file
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@ -0,0 +1,91 @@
/*
* Copyright 2020-2021 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#define __DCD_DATA \
0xD2, 0x03, 0xE0, 0x41, 0xCC, 0x03, 0x5C, 0x04, 0x40, 0x0F, 0xC0, 0x68, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x6C, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x70, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x74, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x78, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x7C, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x80, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0D, 0x80, 0x30, 0x00, 0x00, 0x20, 0x01, \
0x40, 0x0D, 0x81, 0x00, 0x10, 0x18, 0x10, 0x1B, 0x40, 0x0F, 0xC0, 0x14, \
0x00, 0x0A, 0x83, 0x40, 0x40, 0x1F, 0x80, 0x14, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x18, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x1C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x20, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x24, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x28, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x2C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x30, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x34, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x38, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x40, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x44, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x48, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x4C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x50, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x54, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x58, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x5C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x64, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x68, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x70, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x74, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x78, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x7C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x84, 0x00, 0x00, 0x00, 0x10, 0x40, 0x1F, 0x80, 0x88, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x8C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x90, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x94, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x98, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x9C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA0, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA4, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0xA8, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xAC, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xB0, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x81, 0x88, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x8C, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x90, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0x94, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x98, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x9C, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xA0, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xA4, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xA8, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xAC, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xB0, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xB4, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xB8, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xBC, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xC0, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xC4, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xC8, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xCC, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xD0, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xD4, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xD8, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xDC, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xE0, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xE4, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xE8, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xEC, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xF0, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xF4, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xF8, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xFC, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x00, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x04, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x08, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x0C, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x10, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x14, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x18, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x1C, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x20, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x24, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x2F, 0x00, 0x00, \
0x10, 0x00, 0x00, 0x04, 0x40, 0x2F, 0x00, 0x08, 0x00, 0x00, 0x00, 0x81, \
0x40, 0x2F, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x81, 0x40, 0x2F, 0x00, 0x10, \
0x80, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x14, 0x82, 0x00, 0x00, 0x1B, \
0x40, 0x2F, 0x00, 0x18, 0x84, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x04, \
0x00, 0x00, 0x79, 0x88, 0x40, 0x2F, 0x00, 0x40, 0x00, 0x00, 0x0F, 0x07, \
0x40, 0x2F, 0x00, 0x44, 0x00, 0x65, 0x29, 0x22, 0x40, 0x2F, 0x00, 0x48, \
0x00, 0x01, 0x09, 0x20, 0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x08, \
0x40, 0x2F, 0x00, 0x80, 0x00, 0x00, 0x00, 0x21, 0x40, 0x2F, 0x00, 0x84, \
0x00, 0x88, 0x88, 0x88, 0x40, 0x2F, 0x00, 0x94, 0x00, 0x00, 0x00, 0x02, \
0x40, 0x2F, 0x00, 0x98, 0x00, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x90, \
0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0F, \
0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, \
0xCC, 0x00, 0x14, 0x04, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x14, 0x04, \
0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, \
0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, \
0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x1C, 0x04, 0x40, 0x2F, 0x00, 0xA0, \
0x00, 0x00, 0x00, 0x30, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0A, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x0C, 0x04, \
0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x09

48
examples/nxp/rt1020-evk-make-baremetal-builtin/flash_image.c Normal file
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@ -0,0 +1,48 @@
#include "dcd.h" // pin settings for MIMXRT1020-EVK board
#include "flexspi.h" // peripheral structures
#include "hal.h"
extern uint32_t __isr_vector[];
// RM 9.7.2
__attribute__((section(".dcd"), used))
const uint8_t __ivt_dcd_data[] = {__DCD_DATA};
// RM 9.7.1
__attribute__((section(".dat"), used)) const uint32_t __ivt_boot_data[] = {
FlexSPI_AMBA_BASE, // boot start location
8 * 1024 * 1024, // size
0, // Plugin flag
0Xffffffff // empty - extra data word
};
__attribute__((section(".ivt"), used)) const uint32_t __ivt[8] = {
0x412000d1, // header: 41 - version, 2000 size, d1 tag
(uint32_t) __isr_vector, // entry
0, // reserved
(uint32_t) __ivt_dcd_data, // dcd
(uint32_t) __ivt_boot_data, // boot data
(uint32_t) __ivt, // this is us - ivt absolute address
0, // csf absolute address
0, // reserved for HAB
};
// MIMXRT1060-EVKB flash chip config: S25LP064A-JBLE
__attribute__((section(".cfg"), used))
const flexspi_nor_config_t __qspi_flash_cfg = {
.memConfig = {.tag = FLEXSPI_CFG_BLK_TAG,
.version = FLEXSPI_CFG_BLK_VERSION,
.readSampleClkSrc = 1, // ReadSampleClk_LoopbackFromDqsPad
.csHoldTime = 3,
.csSetupTime = 3,
.controllerMiscOption = BIT(4),
.deviceType = 1, // serial NOR
.sflashPadType = 4,
.serialClkFreq = 7, // 133MHz
.sflashA1Size = 8 * 1024 * 1024,
.lookupTable = __FLEXSPI_QSPI_LUT},
.pageSize = 256,
.sectorSize = 4 * 1024,
.ipcmdSerialClkFreq = 1,
.blockSize = 64 * 1024,
.isUniformBlockSize = false};

122
examples/nxp/rt1020-evk-make-baremetal-builtin/flexspi.h Normal file
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@ -0,0 +1,122 @@
/*
* Copyright 2017-2021 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include <stdbool.h>
typedef struct _lut_sequence
{
uint8_t seqNum; //!< Sequence Number, valid number: 1-16
uint8_t seqId; //!< Sequence Index, valid number: 0-15
uint16_t reserved;
} flexspi_lut_seq_t;
typedef struct _FlexSPIConfig
{
uint32_t tag; //!< [0x000-0x003] Tag, fixed value 0x42464346UL
uint32_t version; //!< [0x004-0x007] Version,[31:24] -'V', [23:16] - Major, [15:8] - Minor, [7:0] - bugfix
uint32_t reserved0; //!< [0x008-0x00b] Reserved for future use
uint8_t readSampleClkSrc; //!< [0x00c-0x00c] Read Sample Clock Source, valid value: 0/1/3
uint8_t csHoldTime; //!< [0x00d-0x00d] CS hold time, default value: 3
uint8_t csSetupTime; //!< [0x00e-0x00e] CS setup time, default value: 3
uint8_t columnAddressWidth; //!< [0x00f-0x00f] Column Address with, for HyperBus protocol, it is fixed to 3, For
//! Serial NAND, need to refer to datasheet
uint8_t deviceModeCfgEnable; //!< [0x010-0x010] Device Mode Configure enable flag, 1 - Enable, 0 - Disable
uint8_t deviceModeType; //!< [0x011-0x011] Specify the configuration command type:Quad Enable, DPI/QPI/OPI switch,
//! Generic configuration, etc.
uint16_t waitTimeCfgCommands; //!< [0x012-0x013] Wait time for all configuration commands, unit: 100us, Used for
//! DPI/QPI/OPI switch or reset command
flexspi_lut_seq_t deviceModeSeq; //!< [0x014-0x017] Device mode sequence info, [7:0] - LUT sequence id, [15:8] - LUt
//! sequence number, [31:16] Reserved
uint32_t deviceModeArg; //!< [0x018-0x01b] Argument/Parameter for device configuration
uint8_t configCmdEnable; //!< [0x01c-0x01c] Configure command Enable Flag, 1 - Enable, 0 - Disable
uint8_t configModeType[3]; //!< [0x01d-0x01f] Configure Mode Type, similar as deviceModeTpe
flexspi_lut_seq_t
configCmdSeqs[3]; //!< [0x020-0x02b] Sequence info for Device Configuration command, similar as deviceModeSeq
uint32_t reserved1; //!< [0x02c-0x02f] Reserved for future use
uint32_t configCmdArgs[3]; //!< [0x030-0x03b] Arguments/Parameters for device Configuration commands
uint32_t reserved2; //!< [0x03c-0x03f] Reserved for future use
uint32_t controllerMiscOption; //!< [0x040-0x043] Controller Misc Options, see Misc feature bit definitions for more
//! details
uint8_t deviceType; //!< [0x044-0x044] Device Type: See Flash Type Definition for more details
uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
//! Chapter for more details
uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
//! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
uint32_t reserved3[2]; //!< [0x048-0x04f] Reserved for future use
uint32_t sflashA1Size; //!< [0x050-0x053] Size of Flash connected to A1
uint32_t sflashA2Size; //!< [0x054-0x057] Size of Flash connected to A2
uint32_t sflashB1Size; //!< [0x058-0x05b] Size of Flash connected to B1
uint32_t sflashB2Size; //!< [0x05c-0x05f] Size of Flash connected to B2
uint32_t csPadSettingOverride; //!< [0x060-0x063] CS pad setting override value
uint32_t sclkPadSettingOverride; //!< [0x064-0x067] SCK pad setting override value
uint32_t dataPadSettingOverride; //!< [0x068-0x06b] data pad setting override value
uint32_t dqsPadSettingOverride; //!< [0x06c-0x06f] DQS pad setting override value
uint32_t timeoutInMs; //!< [0x070-0x073] Timeout threshold for read status command
uint32_t commandInterval; //!< [0x074-0x077] CS deselect interval between two commands
uint16_t dataValidTime[2]; //!< [0x078-0x07b] CLK edge to data valid time for PORT A and PORT B, in terms of 0.1ns
uint16_t busyOffset; //!< [0x07c-0x07d] Busy offset, valid value: 0-31
uint16_t busyBitPolarity; //!< [0x07e-0x07f] Busy flag polarity, 0 - busy flag is 1 when flash device is busy, 1 -
//! busy flag is 0 when flash device is busy
uint32_t lookupTable[64]; //!< [0x080-0x17f] Lookup table holds Flash command sequences
flexspi_lut_seq_t lutCustomSeq[12]; //!< [0x180-0x1af] Customizable LUT Sequences
uint32_t reserved4[4]; //!< [0x1b0-0x1bf] Reserved for future use
} flexspi_mem_config_t;
typedef struct _flexspi_nor_config
{
flexspi_mem_config_t memConfig; //!< Common memory configuration info via FlexSPI
uint32_t pageSize; //!< Page size of Serial NOR
uint32_t sectorSize; //!< Sector size of Serial NOR
uint8_t ipcmdSerialClkFreq; //!< Clock frequency for IP command
uint8_t isUniformBlockSize; //!< Sector/Block size is the same
uint8_t reserved0[2]; //!< Reserved for future use
uint8_t serialNorType; //!< Serial NOR Flash type: 0/1/2/3
uint8_t needExitNoCmdMode; //!< Need to exit NoCmd mode before other IP command
uint8_t halfClkForNonReadCmd; //!< Half the Serial Clock for non-read command: true/false
uint8_t needRestoreNoCmdMode; //!< Need to Restore NoCmd mode after IP commmand execution
uint32_t blockSize; //!< Block size
uint32_t reserve2[11]; //!< Reserved for future use
} flexspi_nor_config_t;
/* FLEXSPI memory config block related defintions */
#define FLEXSPI_CFG_BLK_TAG (0x42464346UL) // ascii "FCFB" Big Endian
#define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
#define FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1) \
(FLEXSPI_LUT_OPERAND0(op0) | FLEXSPI_LUT_NUM_PADS0(pad0) | FLEXSPI_LUT_OPCODE0(cmd0) | FLEXSPI_LUT_OPERAND1(op1) | \
FLEXSPI_LUT_NUM_PADS1(pad1) | FLEXSPI_LUT_OPCODE1(cmd1))
#define CMD_SDR 0x01
#define CMD_DDR 0x21
#define DUMMY_SDR 0x0C
#define DUMMY_DDR 0x2C
#define RADDR_SDR 0x02
#define RADDR_DDR 0x22
#define READ_SDR 0x09
#define READ_DDR 0x29
#define WRITE_SDR 0x08
#define WRITE_DDR 0x28
#define STOP 0
#define FLEXSPI_1PAD 0
#define FLEXSPI_2PAD 1
#define FLEXSPI_4PAD 2
#define FLEXSPI_8PAD 3
#define __FLEXSPI_QSPI_LUT { \
[0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18), \
[1] = FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),\
[4 * 1 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x05, READ_SDR, FLEXSPI_1PAD, 0x04),\
[4 * 3 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x06, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 5 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x20, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 8 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xD8, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x02, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 1] = FLEXSPI_LUT_SEQ(WRITE_SDR, FLEXSPI_1PAD, 0x04, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 11 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x60, STOP, FLEXSPI_1PAD, 0x0),\
}

34
examples/nxp/rt1020-evk-make-baremetal-builtin/hal.h
View File

@ -301,3 +301,37 @@ static inline void ethernet_init(void) {
((OCOTP->CFG0 >> 19) ^ (OCOTP->CFG1 >> 19)) & 255, \
(OCOTP->CFG1 >> 10) & 255, OCOTP->CFG1 & 255 \
}
static inline void flash_init(void) { // QSPI in FlexSPI
// set pins
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05, 1); // set for DQS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_05, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11, 1); // set for SS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_11, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07, 1); // set for SCLK
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_SCLK_SELECT_INPUT, 0); // drive peripheral from B1_07
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_07, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08, 1); // set for DATA0
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA0_SELECT_INPUT, 0); // drive peripheral from B1_08
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_08, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10, 1); // set for DATA1
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA1_SELECT_INPUT, 0); // drive peripheral from B1_10
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_10, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09, 1); // set for DATA2
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA2_SELECT_INPUT, 0); // drive peripheral from B1_09
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_09, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06, 1); // set for DATA3
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA3_SELECT_INPUT, 0); // drive peripheral from B1_06
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_06, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
// set FlexSPI clock
SETBITS(CCM->CSCMR1, CCM_CSCMR1_FLEXSPI_CLK_SEL_MASK | CCM_CSCMR1_FLEXSPI_PODF_MASK, CCM_CSCMR1_FLEXSPI_CLK_SEL(3) | CCM_CSCMR1_FLEXSPI_PODF(3)); // select PLL3 PFD0 /4
clock_periph(6, CCM_CCGR6_CG5_SHIFT, CLOCK_ON_RUN_WAIT); // enable
}

22
examples/nxp/rt1020-evk-make-baremetal-builtin/link.ld
View File

@ -1,22 +1,22 @@
ENTRY(Reset_Handler);
MEMORY {
flash_cfg(rx) : ORIGIN = 0x60000000, LENGTH = 4k
flash_ivt(rx) : ORIGIN = 0x60001000, LENGTH = 4k
flash_hdr(rx) : ORIGIN = 0x60000000, LENGTH = 8k
flash_irq(rx) : ORIGIN = 0x60002000, LENGTH = 1k
flash_code(rx) : ORIGIN = 0x60002400, LENGTH = 8183k
ram0(rx) : ORIGIN = 0x00000000, LENGTH = 64k
ram1(rw) : ORIGIN = 0x20000000, LENGTH = 64k
ram2(rw) : ORIGIN = 0x20200000, LENGTH = 128k
itcram(rx) : ORIGIN = 0x00000000, LENGTH = 64k
dtcram(rw) : ORIGIN = 0x20000000, LENGTH = 64k
ocram(rw) : ORIGIN = 0x20200000, LENGTH = 128k
}
__StackTop = ORIGIN(ram2) + LENGTH(ram2);
__StackTop = ORIGIN(dtcram) + LENGTH(dtcram);
SECTIONS {
.cfg : { __FLASH_BASE = .; KEEP(* (.cfg)) } > flash_cfg
.ivt : { KEEP(*(.ivt)) } > flash_ivt
.hdr : { FILL(0xff) ; KEEP(*(.cfg)) . = 0x1000 ; KEEP(*(.ivt)) . = 0x1020 ;
KEEP(*(.dat)) . = 0x1030 ; KEEP(*(.dcd)) . = 0x2000 ;} >flash_hdr
.irq : { KEEP(*(.isr_vector)) } > flash_irq
.text : { *(.text* .text.*) *(.rodata*) __etext = .; } > flash_code
.data : { __data_start__ = .; *(.data SORT(.data.*)) __data_end__ = .; } > ram1 AT > flash_code
.bss : { __bss_start__ = .; *(.bss SORT(.bss.*) COMMON) __bss_end__ = .; } > ram1
.text : { *(.text* .text.*) *(.rodata*) ; } > flash_code
.data : { __data_start__ = .; *(.data SORT(.data.*)) __data_end__ = .; } > dtcram AT > flash_code
__etext = LOADADDR(.data);
.bss : { __bss_start__ = .; *(.bss SORT(.bss.*) COMMON) __bss_end__ = .; } > dtcram
_end = .;
}

6
examples/nxp/rt1020-evk-make-baremetal-builtin/main.c
View File

@ -31,6 +31,7 @@ static void timer_fn(void *arg) {
ifp->ndrop, ifp->nerr));
}
#ifndef RUNINFLASH
static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
struct mg_tcpip_if *ifp = (struct mg_tcpip_if *) fn_data;
if (ev == MG_EV_HTTP_MSG) {
@ -53,6 +54,7 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
}
}
}
#endif
int main(void) {
gpio_output(LED); // Setup blue LED
@ -82,7 +84,11 @@ int main(void) {
}
MG_INFO(("Initialising application..."));
#ifdef RUNINFLASH
web_init(&mgr);
#else
mg_http_listen(&mgr, "http://0.0.0.0:80", fn, &mif);
#endif
MG_INFO(("Starting event loop"));
for (;;) {

28
examples/nxp/rt1020-evk-make-baremetal-builtin/sysinit.c
View File

@ -69,38 +69,14 @@ void SystemInit(void) { // Called automatically by startup code (ints masked)
CCM_CBCMR_PRE_PERIPH_CLK_SEL(3)); // run from 500MHz clock
// 14.5 Table 14-4: uart_clk_root
// 14.4: uart_clk_root = PLL3/6 or OSC; CCM_CSCDR1 (14.7.9) defaults to
// PLL3/6/1
// PLL3/6/1; but ROM boot code fiddles with the divider (9.5.3 Table 9-7)
CCM_ANALOG->PLL_USB1 |= CCM_ANALOG_PLL_USB1_POWER_MASK; // Power PLL on
while ((CCM_ANALOG->PLL_USB1 & CCM_ANALOG_PLL_USB1_LOCK_MASK) == 0)
spin(1); // wait until it is stable
CCM_ANALOG->PLL_USB1 &=
~CCM_ANALOG_PLL_USB1_BYPASS_MASK; // Disable Bypass (switch to PLL)
CCM->CSCDR1 &= ~(CCM_CSCDR1_UART_CLK_SEL_MASK | CCM_CSCDR1_UART_CLK_PODF_MASK);
rng_init(); // Initialise random number generator
// NXP startup code calls SystemInit BEFORE initializing RAM...
SysTick_Config(SYS_FREQUENCY / 1000); // Sys tick every 1ms
}
#if 0
__attribute__((section(".cfg"), used)) uint32_t __cfg[] = {0x1234abcd};
extern uint32_t __isr_vector[];
extern uint32_t __ivt_boot_data[];
__attribute__((section(".ivt"), used)) uint32_t __ivt[8] = {
0x412000d1, // header: 41 - version, 2000 size, d1 tag
(uint32_t) __isr_vector, // entry
0, // reserved
0, // dcd
(uint32_t) __ivt_boot_data, // boot data
(uint32_t) __ivt, // this is us - ivt absolute address
0, // csf absolute address
0, // reserved for HAB
};
__attribute__((section(".ivt"), used)) uint32_t __ivt_boot_data[] = {
0, // boot start location
64 * 1024, // size
0, // Plugin flag
0Xffffffff // empty - extra data word
};
#endif

13
examples/nxp/rt1060-evk-make-baremetal-builtin/Makefile
View File

@ -3,7 +3,8 @@ CFLAGS += -Wformat-truncation -fno-common -Wconversion -Wno-sign-conversion
CFLAGS += -g3 -Os -ffunction-sections -fdata-sections
CFLAGS += -I. -Icmsis_core/CMSIS/Core/Include -Icmsis_mcu/devices/MIMXRT1062 #-DCPU_MIMXRT1062DVL6B
CFLAGS += -mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-d16 $(CFLAGS_EXTRA)
LDFLAGS ?= -Tlink_ram.ld -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
LDSCRIPT = link_ram.ld
LDFLAGS ?= -T$(LDSCRIPT) -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
SOURCES = main.c syscalls.c sysinit.c
SOURCES += cmsis_mcu/devices/MIMXRT1062/gcc/startup_MIMXRT1062.S # NXP startup file. Compiler-dependent!
@ -23,10 +24,14 @@ endif
all build example: firmware.bin
image: LDSCRIPT = link.ld
image: SOURCES += flash_image.c
image: firmware.bin
firmware.bin: firmware.elf
arm-none-eabi-objcopy -O binary $< $@
firmware.elf: cmsis_core cmsis_mcu $(SOURCES) hal.h link_ram.ld Makefile
firmware.elf: cmsis_core cmsis_mcu $(SOURCES) hal.h link_ram.ld link.ld Makefile
arm-none-eabi-gcc $(SOURCES) $(CFLAGS) $(LDFLAGS) -o $@
arm-none-eabi-size $@
@ -60,10 +65,12 @@ update: firmware.bin
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"'"$$REQ"'"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"wm,e000edf0,a05f0001"}'
test update: CFLAGS += -DUART_DEBUG=LPUART3
test update testimage: CFLAGS += -DUART_DEBUG=LPUART3
test: update
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
testimage: image
clean:
$(RM) firmware.* *.su cmsis_core cmsis_mcu mbedtls *.zip

95
examples/nxp/rt1060-evk-make-baremetal-builtin/dcd.h Normal file
View File

@ -0,0 +1,95 @@
/*
* Copyright 2020-2021 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#define __DCD_DATA \
0xD2, 0x04, 0x10, 0x41, 0xCC, 0x03, 0x8C, 0x04, 0x40, 0x0F, 0xC0, 0x68, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x6C, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x70, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x74, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x78, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x7C, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x80, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0D, 0x80, 0x30, 0x00, 0x00, 0x20, 0x01, \
0x40, 0x0D, 0x81, 0x00, 0x10, 0x1D, 0x10, 0x1B, 0x40, 0x0F, 0xC0, 0x14, \
0x00, 0x01, 0x0D, 0x40, 0x40, 0x1F, 0x80, 0x14, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x18, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x1C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x20, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x24, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x28, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x2C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x30, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x34, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x38, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x40, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x44, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x48, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x4C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x50, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x54, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x58, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x5C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x64, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x68, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x70, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x74, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x78, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x7C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x84, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x88, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x8C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x90, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x94, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x98, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x9C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA0, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA4, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0xA8, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xAC, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xB0, 0x00, 0x00, 0x00, 0x10, \
0x40, 0x1F, 0x82, 0x04, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x08, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x0C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x10, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x14, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x18, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x1C, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x20, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x24, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x28, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x2C, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x30, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x34, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x38, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x3C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x40, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x44, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x48, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x4C, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x50, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x54, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x58, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x5C, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x60, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x64, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x68, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x6C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x70, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x74, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x78, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x7C, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x80, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x84, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x88, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x8C, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x90, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x94, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x98, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x9C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0xA0, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x2F, 0x00, 0x00, \
0x10, 0x00, 0x00, 0x04, 0x40, 0x2F, 0x00, 0x08, 0x00, 0x00, 0x00, 0x81, \
0x40, 0x2F, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x81, 0x40, 0x2F, 0x00, 0x10, \
0x80, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x14, 0x82, 0x00, 0x00, 0x1B, \
0x40, 0x2F, 0x00, 0x18, 0x84, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x1C, \
0x86, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x20, 0x90, 0x00, 0x00, 0x21, \
0x40, 0x2F, 0x00, 0x24, 0xA0, 0x00, 0x00, 0x19, 0x40, 0x2F, 0x00, 0x28, \
0xA8, 0x00, 0x00, 0x17, 0x40, 0x2F, 0x00, 0x2C, 0xA9, 0x00, 0x00, 0x1B, \
0x40, 0x2F, 0x00, 0x30, 0x00, 0x00, 0x00, 0x21, 0x40, 0x2F, 0x00, 0x04, \
0x00, 0x00, 0x79, 0xA8, 0x40, 0x2F, 0x00, 0x40, 0x00, 0x00, 0x0F, 0x31, \
0x40, 0x2F, 0x00, 0x44, 0x00, 0x65, 0x29, 0x22, 0x40, 0x2F, 0x00, 0x48, \
0x00, 0x01, 0x09, 0x20, 0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x08, \
0x40, 0x2F, 0x00, 0x80, 0x00, 0x00, 0x00, 0x21, 0x40, 0x2F, 0x00, 0x84, \
0x00, 0x88, 0x88, 0x88, 0x40, 0x2F, 0x00, 0x94, 0x00, 0x00, 0x00, 0x02, \
0x40, 0x2F, 0x00, 0x98, 0x00, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x90, \
0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0F, \
0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, \
0xCC, 0x00, 0x14, 0x04, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x14, 0x04, \
0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, \
0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, \
0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x1C, 0x04, 0x40, 0x2F, 0x00, 0xA0, \
0x00, 0x00, 0x00, 0x33, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0A, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x0C, 0x04, \
0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x09

48
examples/nxp/rt1060-evk-make-baremetal-builtin/flash_image.c Normal file
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@ -0,0 +1,48 @@
#include "dcd.h" // pin settings for MIMXRT1060-EVKB board
#include "flexspi.h" // peripheral structures
#include "hal.h"
extern uint32_t __isr_vector[];
// RM 9.7.2
__attribute__((section(".dcd"), used))
const uint8_t __ivt_dcd_data[] = {__DCD_DATA};
// RM 9.7.1
__attribute__((section(".dat"), used)) const uint32_t __ivt_boot_data[] = {
FlexSPI_AMBA_BASE, // boot start location
8 * 1024 * 1024, // size
0, // Plugin flag
0Xffffffff // empty - extra data word
};
__attribute__((section(".ivt"), used)) const uint32_t __ivt[8] = {
0x412000d1, // header: 41 - version, 2000 size, d1 tag
(uint32_t) __isr_vector, // entry
0, // reserved
(uint32_t) __ivt_dcd_data, // dcd
(uint32_t) __ivt_boot_data, // boot data
(uint32_t) __ivt, // this is us - ivt absolute address
0, // csf absolute address
0, // reserved for HAB
};
// MIMXRT1060-EVKB flash chip config: IS25WP064AJBLE
__attribute__((section(".cfg"), used))
const flexspi_nor_config_t __qspi_flash_cfg = {
.memConfig = {.tag = FLEXSPI_CFG_BLK_TAG,
.version = FLEXSPI_CFG_BLK_VERSION,
.readSampleClkSrc = 1, // ReadSampleClk_LoopbackFromDqsPad
.csHoldTime = 3,
.csSetupTime = 3,
.controllerMiscOption = BIT(4),
.deviceType = 1, // serial NOR
.sflashPadType = 4,
.serialClkFreq = 7, // 120MHz
.sflashA1Size = 8 * 1024 * 1024,
.lookupTable = __FLEXSPI_QSPI_LUT},
.pageSize = 256,
.sectorSize = 4 * 1024,
.ipcmdSerialClkFreq = 1,
.blockSize = 64 * 1024,
.isUniformBlockSize = false};

122
examples/nxp/rt1060-evk-make-baremetal-builtin/flexspi.h Normal file
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@ -0,0 +1,122 @@
/*
* Copyright 2017-2021 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include <stdbool.h>
typedef struct _lut_sequence
{
uint8_t seqNum; //!< Sequence Number, valid number: 1-16
uint8_t seqId; //!< Sequence Index, valid number: 0-15
uint16_t reserved;
} flexspi_lut_seq_t;
typedef struct _FlexSPIConfig
{
uint32_t tag; //!< [0x000-0x003] Tag, fixed value 0x42464346UL
uint32_t version; //!< [0x004-0x007] Version,[31:24] -'V', [23:16] - Major, [15:8] - Minor, [7:0] - bugfix
uint32_t reserved0; //!< [0x008-0x00b] Reserved for future use
uint8_t readSampleClkSrc; //!< [0x00c-0x00c] Read Sample Clock Source, valid value: 0/1/3
uint8_t csHoldTime; //!< [0x00d-0x00d] CS hold time, default value: 3
uint8_t csSetupTime; //!< [0x00e-0x00e] CS setup time, default value: 3
uint8_t columnAddressWidth; //!< [0x00f-0x00f] Column Address with, for HyperBus protocol, it is fixed to 3, For
//! Serial NAND, need to refer to datasheet
uint8_t deviceModeCfgEnable; //!< [0x010-0x010] Device Mode Configure enable flag, 1 - Enable, 0 - Disable
uint8_t deviceModeType; //!< [0x011-0x011] Specify the configuration command type:Quad Enable, DPI/QPI/OPI switch,
//! Generic configuration, etc.
uint16_t waitTimeCfgCommands; //!< [0x012-0x013] Wait time for all configuration commands, unit: 100us, Used for
//! DPI/QPI/OPI switch or reset command
flexspi_lut_seq_t deviceModeSeq; //!< [0x014-0x017] Device mode sequence info, [7:0] - LUT sequence id, [15:8] - LUt
//! sequence number, [31:16] Reserved
uint32_t deviceModeArg; //!< [0x018-0x01b] Argument/Parameter for device configuration
uint8_t configCmdEnable; //!< [0x01c-0x01c] Configure command Enable Flag, 1 - Enable, 0 - Disable
uint8_t configModeType[3]; //!< [0x01d-0x01f] Configure Mode Type, similar as deviceModeTpe
flexspi_lut_seq_t
configCmdSeqs[3]; //!< [0x020-0x02b] Sequence info for Device Configuration command, similar as deviceModeSeq
uint32_t reserved1; //!< [0x02c-0x02f] Reserved for future use
uint32_t configCmdArgs[3]; //!< [0x030-0x03b] Arguments/Parameters for device Configuration commands
uint32_t reserved2; //!< [0x03c-0x03f] Reserved for future use
uint32_t controllerMiscOption; //!< [0x040-0x043] Controller Misc Options, see Misc feature bit definitions for more
//! details
uint8_t deviceType; //!< [0x044-0x044] Device Type: See Flash Type Definition for more details
uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
//! Chapter for more details
uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
//! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
uint32_t reserved3[2]; //!< [0x048-0x04f] Reserved for future use
uint32_t sflashA1Size; //!< [0x050-0x053] Size of Flash connected to A1
uint32_t sflashA2Size; //!< [0x054-0x057] Size of Flash connected to A2
uint32_t sflashB1Size; //!< [0x058-0x05b] Size of Flash connected to B1
uint32_t sflashB2Size; //!< [0x05c-0x05f] Size of Flash connected to B2
uint32_t csPadSettingOverride; //!< [0x060-0x063] CS pad setting override value
uint32_t sclkPadSettingOverride; //!< [0x064-0x067] SCK pad setting override value
uint32_t dataPadSettingOverride; //!< [0x068-0x06b] data pad setting override value
uint32_t dqsPadSettingOverride; //!< [0x06c-0x06f] DQS pad setting override value
uint32_t timeoutInMs; //!< [0x070-0x073] Timeout threshold for read status command
uint32_t commandInterval; //!< [0x074-0x077] CS deselect interval between two commands
uint16_t dataValidTime[2]; //!< [0x078-0x07b] CLK edge to data valid time for PORT A and PORT B, in terms of 0.1ns
uint16_t busyOffset; //!< [0x07c-0x07d] Busy offset, valid value: 0-31
uint16_t busyBitPolarity; //!< [0x07e-0x07f] Busy flag polarity, 0 - busy flag is 1 when flash device is busy, 1 -
//! busy flag is 0 when flash device is busy
uint32_t lookupTable[64]; //!< [0x080-0x17f] Lookup table holds Flash command sequences
flexspi_lut_seq_t lutCustomSeq[12]; //!< [0x180-0x1af] Customizable LUT Sequences
uint32_t reserved4[4]; //!< [0x1b0-0x1bf] Reserved for future use
} flexspi_mem_config_t;
typedef struct _flexspi_nor_config
{
flexspi_mem_config_t memConfig; //!< Common memory configuration info via FlexSPI
uint32_t pageSize; //!< Page size of Serial NOR
uint32_t sectorSize; //!< Sector size of Serial NOR
uint8_t ipcmdSerialClkFreq; //!< Clock frequency for IP command
uint8_t isUniformBlockSize; //!< Sector/Block size is the same
uint8_t reserved0[2]; //!< Reserved for future use
uint8_t serialNorType; //!< Serial NOR Flash type: 0/1/2/3
uint8_t needExitNoCmdMode; //!< Need to exit NoCmd mode before other IP command
uint8_t halfClkForNonReadCmd; //!< Half the Serial Clock for non-read command: true/false
uint8_t needRestoreNoCmdMode; //!< Need to Restore NoCmd mode after IP commmand execution
uint32_t blockSize; //!< Block size
uint32_t reserve2[11]; //!< Reserved for future use
} flexspi_nor_config_t;
/* FLEXSPI memory config block related defintions */
#define FLEXSPI_CFG_BLK_TAG (0x42464346UL) // ascii "FCFB" Big Endian
#define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
#define FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1) \
(FLEXSPI_LUT_OPERAND0(op0) | FLEXSPI_LUT_NUM_PADS0(pad0) | FLEXSPI_LUT_OPCODE0(cmd0) | FLEXSPI_LUT_OPERAND1(op1) | \
FLEXSPI_LUT_NUM_PADS1(pad1) | FLEXSPI_LUT_OPCODE1(cmd1))
#define CMD_SDR 0x01
#define CMD_DDR 0x21
#define DUMMY_SDR 0x0C
#define DUMMY_DDR 0x2C
#define RADDR_SDR 0x02
#define RADDR_DDR 0x22
#define READ_SDR 0x09
#define READ_DDR 0x29
#define WRITE_SDR 0x08
#define WRITE_DDR 0x28
#define STOP 0
#define FLEXSPI_1PAD 0
#define FLEXSPI_2PAD 1
#define FLEXSPI_4PAD 2
#define FLEXSPI_8PAD 3
#define __FLEXSPI_QSPI_LUT { \
[0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18), \
[1] = FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),\
[4 * 1 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x05, READ_SDR, FLEXSPI_1PAD, 0x04),\
[4 * 3 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x06, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 5 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x20, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 8 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xD8, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x02, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 1] = FLEXSPI_LUT_SEQ(WRITE_SDR, FLEXSPI_1PAD, 0x04, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 11 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x60, STOP, FLEXSPI_1PAD, 0x0),\
}

35
examples/nxp/rt1060-evk-make-baremetal-builtin/hal.h
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@ -319,3 +319,38 @@ static inline void ethernet_init(void) {
}
// NOTE: You can fuse your own MAC and read it from OCOTP->MAC0, OCOTP->MAC1,
// OCOTP->MAC2
static inline void flash_init(void) { // QSPI in FlexSPI
// set pins
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05, 1); // set for DQS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DQS_SELECT_INPUT, 0); // drive peripheral from B1_05
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_05, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06, 1); // set for SS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_06, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07, 1); // set for SCLK
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_SCK_SELECT_INPUT, 0); // drive peripheral from B1_07
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_07, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08, 1); // set for DATA0
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA0_SELECT_INPUT, 0); // drive peripheral from B1_08
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_08, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09, 1); // set for DATA1
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA1_SELECT_INPUT, 0); // drive peripheral from B1_09
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_09, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10, 1); // set for DATA2
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA2_SELECT_INPUT, 0); // drive peripheral from B1_10
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_10, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11, 1); // set for DATA3
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA3_SELECT_INPUT, 0); // drive peripheral from B1_11
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_11, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
// set FlexSPI clock
SETBITS(CCM->CSCMR1, CCM_CSCMR1_FLEXSPI_CLK_SEL_MASK | CCM_CSCMR1_FLEXSPI_PODF_MASK, CCM_CSCMR1_FLEXSPI_CLK_SEL(3) | CCM_CSCMR1_FLEXSPI_PODF(7)); // select PLL3 PFD0 /8
clock_periph(6, CCM_CCGR6_CG5_SHIFT, CLOCK_ON_RUN_WAIT); // enable
}

22
examples/nxp/rt1060-evk-make-baremetal-builtin/link.ld
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@ -1,22 +1,22 @@
ENTRY(Reset_Handler);
MEMORY {
flash_cfg(rx) : ORIGIN = 0x60000000, LENGTH = 4k
flash_ivt(rx) : ORIGIN = 0x60001000, LENGTH = 4k
flash_hdr(rx) : ORIGIN = 0x60000000, LENGTH = 8k
flash_irq(rx) : ORIGIN = 0x60002000, LENGTH = 1k
flash_code(rx) : ORIGIN = 0x60002400, LENGTH = 8183k
ram0(rx) : ORIGIN = 0x00000000, LENGTH = 128k
ram1(rw) : ORIGIN = 0x20000000, LENGTH = 128k
ram2(rw) : ORIGIN = 0x20200000, LENGTH = 256k
itcram(rx) : ORIGIN = 0x00000000, LENGTH = 128k
dtcram(rw) : ORIGIN = 0x20000000, LENGTH = 128k
ocram(rw) : ORIGIN = 0x20200000, LENGTH = 256k /* Is this cached ? */
}
__StackTop = ORIGIN(ram2) + LENGTH(ram2);
__StackTop = ORIGIN(dtcram) + LENGTH(dtcram);
SECTIONS {
.cfg : { __FLASH_BASE = .; KEEP(* (.cfg)) } > flash_cfg
.ivt : { KEEP(*(.ivt)) } > flash_ivt
.hdr : { FILL(0xff) ; KEEP(*(.cfg)) . = 0x1000 ; KEEP(*(.ivt)) . = 0x1020 ;
KEEP(*(.dat)) . = 0x1030 ; KEEP(*(.dcd)) . = 0x2000 ;} >flash_hdr
.irq : { KEEP(*(.isr_vector)) } > flash_irq
.text : { *(.text* .text.*) *(.rodata*) __etext = .; } > flash_code
.data : { __data_start__ = .; *(.data SORT(.data.*)) __data_end__ = .; } > ram1 AT > flash_code
.bss : { __bss_start__ = .; *(.bss SORT(.bss.*) COMMON) __bss_end__ = .; } > ram1
.text : { *(.text* .text.*) *(.rodata*) ; } > flash_code
.data : { __data_start__ = .; *(.data SORT(.data.*)) __data_end__ = .; } > dtcram AT > flash_code
__etext = LOADADDR(.data);
.bss : { __bss_start__ = .; *(.bss SORT(.bss.*) COMMON) __bss_end__ = .; } > dtcram
_end = .;
}

3
examples/nxp/rt1060-evk-make-baremetal-builtin/sysinit.c
View File

@ -55,12 +55,13 @@ void SystemInit(void) { // Called automatically by startup code (ints masked)
~CCM_ANALOG_PLL_ARM_BYPASS_MASK; // Disable Bypass (switch to PLL)
// 14.5 Table 14-4: uart_clk_root
// 14.4: uart_clk_root = PLL3/6 or OSC; CCM_CSCDR1 (14.7.9) defaults to
// PLL3/6/1
// PLL3/6/1; but ROM boot code fiddles with the divider (9.5.3 Table 9-7)
CCM_ANALOG->PLL_USB1 |= CCM_ANALOG_PLL_USB1_POWER_MASK; // Power PLL on
while ((CCM_ANALOG->PLL_USB1 & CCM_ANALOG_PLL_USB1_LOCK_MASK) == 0)
spin(1); // wait until it is stable
CCM_ANALOG->PLL_USB1 &=
~CCM_ANALOG_PLL_USB1_BYPASS_MASK; // Disable Bypass (switch to PLL)
CCM->CSCDR1 &= ~(CCM_CSCDR1_UART_CLK_SEL_MASK | CCM_CSCDR1_UART_CLK_PODF_MASK);
rng_init(); // Initialise random number generator
// NXP startup code calls SystemInit BEFORE initializing RAM...
SysTick_Config(SYS_FREQUENCY / 1000); // Sys tick every 1ms