Added H723 unified target. Fixed H723 linker (#11826)

* Added H723 unified target. Fixed H723 linker

* Fixed a typo in the readme

* Update TARGETS line in mk file

src/link/stm32_flash_h723_1m.ld

@@ -27,44 +27,34 @@ ENTRY(Reset_Handler)
 0x38000000 to 0x38003FFF   16K SRAM4, D3 domain, unused
 0x38800000 to 0x38800FFF    4K BACKUP SRAM, Backup domain, unused
 
-XXX TODO join isr vector, startup and firmware to save some space
+0x08000000 to 0x080FFFFF 1024K full flash
-0x08000000 to 0x080FFFFF 1024K full flash,
 0x08000000 to 0x0801FFFF  128K isr vector, startup code
-0x08020000 to 0x080DFFFF  768K firmware
+0x08020000 to 0x0803FFFF  128K config
-0x080E0000 to 0x080FFFFF  128K config
+0x08040000 to 0x080FFFFF  768K firmware
-
 */
 
 /* Specify the memory areas */
 MEMORY
 {
-    FLASH (rx)        : ORIGIN = 0x08000000, LENGTH = 128K
+    FLASH (rx)        : ORIGIN = 0x08000000, LENGTH = 10K
-    FLASH_CONFIG (r)  : ORIGIN = 0x080E0000, LENGTH = 128K
+    FLASH_CUSTOM_DEFAULTS (r) : ORIGIN = 0x08002800, LENGTH = 10K
-    FLASH1 (rx)       : ORIGIN = 0x08020000, LENGTH = 768K
+    FLASH_UNUSED (r)     : ORIGIN = 0x08005000, LENGTH = 108K
+
+    FLASH_CONFIG (r)  : ORIGIN = 0x08020000, LENGTH = 128K
+    FLASH1 (rx)       : ORIGIN = 0x08040000, LENGTH = DEFINED(USE_CUSTOM_DEFAULTS_EXTENDED) ? 640K : 768K
+    FLASH_CUSTOM_DEFAULTS_EXTENDED (r): ORIGIN = DEFINED(USE_CUSTOM_DEFAULTS_EXTENDED) ? 0x081E0000 : 0x08200000, LENGTH = DEFINED(USE_CUSTOM_DEFAULTS_EXTENDED) ? 128K : 0K
 
     ITCM_RAM (rwx)    : ORIGIN = 0x00000000, LENGTH = 64K
     DTCM_RAM (rwx)    : ORIGIN = 0x20000000, LENGTH = 128K
     RAM (rwx)         : ORIGIN = 0x24000000, LENGTH = 320K
 
     D2_RAM (rwx)      : ORIGIN = 0x30000000, LENGTH = 32K /* SRAM1 + SRAM2 */
-
     MEMORY_B1 (rx)    : ORIGIN = 0x60000000, LENGTH = 0K
 }
 
 REGION_ALIAS("STACKRAM", DTCM_RAM)
 REGION_ALIAS("FASTRAM", DTCM_RAM)
 
-/* INCLUDE "stm32_flash_f7_split.ld" */
-/*
-*****************************************************************************
-**
-**  File        : stm32_flash_f7_split.ld
-**
-**  Abstract    : Common linker script for STM32 devices.
-**
-*****************************************************************************
-*/
-
 /* Entry Point */
 ENTRY(Reset_Handler)
 
@@ -77,7 +67,7 @@ __config_end = ORIGIN(FLASH_CONFIG) + LENGTH(FLASH_CONFIG);
 
 /* Generate a link error if heap and stack don't fit into RAM */
 _Min_Heap_Size = 0;      /* required amount of heap  */
-_Min_Stack_Size = 0x800; /* required amount of stack */
+_Min_Stack_Size = 0x400; /* required amount of stack */
 
 /* Define output sections */
 SECTIONS
@@ -126,13 +116,13 @@ SECTIONS
   .ARM.extab   : 
   { 
     *(.ARM.extab* .gnu.linkonce.armextab.*) 
-  } >FLASH
+  } >FLASH1
   
   .ARM : 
   {
     __exidx_start = .;
     *(.ARM.exidx*) __exidx_end = .;
-  } >FLASH
+  } >FLASH1
 
   .pg_registry :
   {
@@ -140,14 +130,29 @@ SECTIONS
     KEEP (*(.pg_registry))
     KEEP (*(SORT(.pg_registry.*)))
     PROVIDE_HIDDEN (__pg_registry_end = .);
-  } >FLASH
+  } >FLASH1
   
   .pg_resetdata :
   {
     PROVIDE_HIDDEN (__pg_resetdata_start = .);
     KEEP (*(.pg_resetdata))
     PROVIDE_HIDDEN (__pg_resetdata_end = .);
-  } >FLASH
+  } >FLASH1
+
+  /* Storage for the address for the configuration section so we can grab it out of the hex file */
+  .custom_defaults :
+  {
+    . = ALIGN(4);
+    KEEP (*(.custom_defaults_start_address))
+    . = ALIGN(4);
+    KEEP (*(.custom_defaults_end_address))
+    . = ALIGN(4);
+    __custom_defaults_internal_start = .;
+    *(.custom_defaults);
+  } >FLASH_CUSTOM_DEFAULTS
+
+  PROVIDE_HIDDEN (__custom_defaults_start = DEFINED(USE_CUSTOM_DEFAULTS_EXTENDED) ? ORIGIN(FLASH_CUSTOM_DEFAULTS_EXTENDED) : __custom_defaults_internal_start);
+  PROVIDE_HIDDEN (__custom_defaults_end = DEFINED(USE_CUSTOM_DEFAULTS_EXTENDED) ? ORIGIN(FLASH_CUSTOM_DEFAULTS_EXTENDED) + LENGTH(FLASH_CUSTOM_DEFAULTS_EXTENDED) : ORIGIN(FLASH_CUSTOM_DEFAULTS) + LENGTH(FLASH_CUSTOM_DEFAULTS));
 
   /* used by the startup to initialize data */
   _sidata = LOADADDR(.data);
@@ -162,7 +167,7 @@ SECTIONS
 
     . = ALIGN(4);
     _edata = .;        /* define a global symbol at data end */
-  } >FASTRAM AT >FLASH
+  } >RAM AT >FLASH1
 
   /* Uninitialized data section */
   . = ALIGN(4);
@@ -178,7 +183,7 @@ SECTIONS
     . = ALIGN(4);
     _ebss = .;         /* define a global symbol at bss end */
     __bss_end__ = _ebss;
-  } >FASTRAM
+  } >RAM
 
   /* Uninitialized data section */
   . = ALIGN(4);
@@ -208,7 +213,7 @@ SECTIONS
 
     . = ALIGN(4);
     _efastram_data = .;        /* define a global symbol at data end */
-  } >FASTRAM AT >FLASH
+  } >FASTRAM AT >FLASH1
 
   . = ALIGN(4);
   .fastram_bss (NOLOAD) :
@@ -237,7 +242,7 @@ SECTIONS
     *(.dmaram_data*)          /* .data* sections */
     . = ALIGN(32);
     _edmaram_data = .;        /* define a global symbol at data end */
-  } >RAM AT >FLASH
+  } >RAM AT >FLASH1
 
   . = ALIGN(32);
   .dmaram_bss (NOLOAD) :

src/main/target/STM32F745/target.mk

@@ -24,11 +24,11 @@ CUSTOM_DEFAULTS_EXTENDED = yes
 FEATURES       += VCP SDCARD_SPI SDCARD_SDIO ONBOARDFLASH
 
 TARGET_SRC = \
-	$(addprefix drivers/accgyro/,$(notdir $(wildcard $(SRC_DIR)/drivers/accgyro/*.c))) \
+    $(addprefix drivers/accgyro/,$(notdir $(wildcard $(SRC_DIR)/drivers/accgyro/*.c))) \
-	$(ROOT)/lib/main/BoschSensortec/BMI270-Sensor-API/bmi270_maximum_fifo.c \
+    $(ROOT)/lib/main/BoschSensortec/BMI270-Sensor-API/bmi270_maximum_fifo.c \
-	$(addprefix drivers/barometer/,$(notdir $(wildcard $(SRC_DIR)/drivers/barometer/*.c))) \
+    $(addprefix drivers/barometer/,$(notdir $(wildcard $(SRC_DIR)/drivers/barometer/*.c))) \
-	$(addprefix drivers/compass/,$(notdir $(wildcard $(SRC_DIR)/drivers/compass/*.c))) \
+    $(addprefix drivers/compass/,$(notdir $(wildcard $(SRC_DIR)/drivers/compass/*.c))) \
-	drivers/max7456.c \
+    drivers/max7456.c \
-	drivers/vtx_rtc6705.c \
+    drivers/vtx_rtc6705.c \
-	drivers/vtx_rtc6705_soft_spi.c \
+    drivers/vtx_rtc6705_soft_spi.c \
-	$(RX_SRC)
+    $(RX_SRC)

src/main/target/STM32H723/readme.txt

@@ -0,0 +1,2 @@
+This unified target supports the STM32H723, H725, H733, and H735 MCUs.
+Reference manual: ST RM0468

src/main/target/STM32H723/target.c

@@ -0,0 +1,22 @@
+/*
+ * This file is part of Cleanflight and Betaflight.
+ *
+ * Cleanflight and Betaflight are free software. You can redistribute
+ * this software and/or modify this software under the terms of the
+ * GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Cleanflight and Betaflight are distributed in the hope that they
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software.
+ *
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Needed to suppress the pedantic warning about an empty file
+#include <stddef.h>

src/main/target/STM32H723/target.h

@@ -0,0 +1,143 @@
+/*
+ * This file is part of Cleanflight and Betaflight.
+ *
+ * Cleanflight and Betaflight are free software. You can redistribute
+ * this software and/or modify this software under the terms of the
+ * GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Cleanflight and Betaflight are distributed in the hope that they
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software.
+ *
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#define TARGET_BOARD_IDENTIFIER "SH72"
+
+#define USBD_PRODUCT_STRING     "Betaflight STM32H723"
+
+#define USE_I2C_DEVICE_1
+#define USE_I2C_DEVICE_2
+#define USE_I2C_DEVICE_3
+#define USE_I2C_DEVICE_4
+#define USE_I2C_DEVICE_5
+
+#define USE_UART1
+#define USE_UART2
+#define USE_UART3
+#define USE_UART4
+#define USE_UART5
+#define USE_UART6
+#define USE_UART7
+#define USE_UART8
+#define USE_UART9
+#define USE_LPUART1
+
+#define SERIAL_PORT_COUNT       (UNIFIED_SERIAL_PORT_COUNT + 10)
+
+#define USE_SPI_DEVICE_1
+#define USE_SPI_DEVICE_2
+#define USE_SPI_DEVICE_3
+#define USE_SPI_DEVICE_4
+#define USE_SPI_DEVICE_5
+#define USE_SPI_DEVICE_6
+
+#define TARGET_IO_PORTA 0xffff
+#define TARGET_IO_PORTB 0xffff
+#define TARGET_IO_PORTC 0xffff
+#define TARGET_IO_PORTD 0xffff
+#define TARGET_IO_PORTE 0xffff
+#define TARGET_IO_PORTF 0xffff
+#define TARGET_IO_PORTG 0xffff
+
+#define USE_I2C
+#define I2C_FULL_RECONFIGURABILITY
+
+#define USE_BEEPER
+
+#if !defined(CLOUD_BUILD)
+
+#define USE_MAG
+#define USE_BARO
+
+#define USE_ACC
+#define USE_GYRO
+
+#define USE_ACC_MPU6500
+#define USE_GYRO_MPU6500
+#define USE_ACC_SPI_MPU6000
+#define USE_GYRO_SPI_MPU6000
+#define USE_ACC_SPI_MPU6500
+#define USE_GYRO_SPI_MPU6500
+#define USE_ACC_SPI_ICM20689
+#define USE_GYRO_SPI_ICM20689
+#define USE_ACCGYRO_LSM6DSO
+#define USE_ACCGYRO_BMI270
+#define USE_GYRO_SPI_ICM42605
+#define USE_GYRO_SPI_ICM42688P
+#define USE_ACC_SPI_ICM42605
+#define USE_ACC_SPI_ICM42688P
+#define USE_RX_SPI
+#define USE_ACC_MPU6050
+#define USE_GYRO_MPU6050
+#define USE_ACCGYRO_BMI160
+
+#define USE_FLASHFS
+#define USE_FLASH_TOOLS
+#define USE_FLASH_M25P16
+#define USE_FLASH_W25N01G          // 1Gb NAND flash support
+#define USE_FLASH_W25M             // Stacked die support
+#define USE_FLASH_W25M512          // 512Kb (256Kb x 2 stacked) NOR flash support
+#define USE_FLASH_W25M02G          // 2Gb (1Gb x 2 stacked) NAND flash support
+#define USE_FLASH_W25Q128FV        // 16MB Winbond 25Q128
+
+#define USE_MAX7456
+
+#define USE_VTX_RTC6705
+#define USE_VTX_RTC6705_SOFTSPI
+
+#define USE_TRANSPONDER
+
+#define USE_RANGEFINDER
+#define USE_RANGEFINDER_HCSR04
+#define USE_RANGEFINDER_TF
+
+#define USE_RX_EXPRESSLRS
+#define RX_EXPRESSLRS_TIMER_INSTANCE     TIM5
+#define USE_RX_SX1280
+#define USE_RX_SX127X
+
+#define USE_SDCARD
+
+#endif // CLOUD_BUILD
+
+#ifdef USE_SDCARD
+#define USE_SDCARD_SPI
+#define USE_SDCARD_SDIO
+#endif
+
+#define USE_SPI
+#define SPI_FULL_RECONFIGURABILITY
+
+#define USE_VCP
+
+#define USE_SOFTSERIAL1
+#define USE_SOFTSERIAL2
+
+#define UNIFIED_SERIAL_PORT_COUNT       3
+
+#define USE_USB_DETECT
+
+#define USE_ESCSERIAL
+
+#define USE_ADC
+
+#define USE_CUSTOM_DEFAULTS

src/main/target/STM32H723/target.mk

@@ -0,0 +1,34 @@
+RX_SRC = \
+    rx/cc2500_common.c \
+    rx/cc2500_frsky_shared.c \
+    rx/cc2500_frsky_d.c \
+    rx/cc2500_frsky_x.c \
+    rx/cc2500_sfhss.c \
+    rx/cc2500_redpine.c \
+    rx/a7105_flysky.c \
+    rx/cyrf6936_spektrum.c \
+    drivers/rx/expresslrs_driver.c \
+    rx/expresslrs.c \
+    rx/expresslrs_common.c \
+    rx/expresslrs_telemetry.c \
+    drivers/rx/rx_cc2500.c \
+    drivers/rx/rx_a7105.c \
+    drivers/rx/rx_cyrf6936.c \
+    drivers/rx/rx_sx127x.c \
+    drivers/rx/rx_sx1280.c \
+
+H723xG_TARGETS += $(TARGET)
+
+CUSTOM_DEFAULTS_EXTENDED = yes
+
+FEATURES       += VCP SDCARD_SPI SDCARD_SDIO ONBOARDFLASH
+
+TARGET_SRC = \
+	$(addprefix drivers/accgyro/,$(notdir $(wildcard $(SRC_DIR)/drivers/accgyro/*.c))) \
+	$(ROOT)/lib/main/BoschSensortec/BMI270-Sensor-API/bmi270_maximum_fifo.c \
+	$(addprefix drivers/barometer/,$(notdir $(wildcard $(SRC_DIR)/drivers/barometer/*.c))) \
+	$(addprefix drivers/compass/,$(notdir $(wildcard $(SRC_DIR)/drivers/compass/*.c))) \
+	drivers/max7456.c \
+	drivers/vtx_rtc6705.c \
+	drivers/vtx_rtc6705_soft_spi.c \
+	$(RX_SRC)