组建 网站开发团队,香水推广软文,wordpress 上传工具,泉州seo网站关键词优推广TF-A移植第1步就是创建新的设备树#xff0c;并命名为“stm32mp157d-atk”。
和“TF-A移植”有关的知识点#xff1a;
1)设备树英文名字叫做Device tree#xff0c;用来描述板子硬件信息的#xff0c;比如开发板上的 CPU有几个核 、每个CPU核主频是多少#xff0c;IIC、…TF-A移植第1步就是创建新的设备树并命名为“stm32mp157d-atk”。
和“TF-A移植”有关的知识点
1)设备树英文名字叫做Device tree用来描述板子硬件信息的比如开发板上的 CPU有几个核 、每个CPU核主频是多少IIC、SPI这些外设的寄存器范围是多少IIC接口下都挂了哪些设备等等。
2)、TF-A移植主要是修改“设备树”。
3)、DTC是设备树的编译器。“.dts”的设备树文件经过编译后会生成“.dtb”文件有点类似C语言中的“.bin文件”。
4)、设备树文件是一种文本格式的文件。
设备树文件后缀为“.dts”类似于C语言中的“.c文件”
设备树头文件后缀为“.dtsi”类似于C语言中的“.h文件”
因此“.dts”的设备树文件可以引用“.dtsi”的设备树头文件。
5)、设备树文件的位置
linux/atk-mp1/atk-mp1/my-tfa/tf-a-stm32mp-2.2.r1\fdts 一、查看设备树文件
1、打开终端
输入“ls回车”列出当前目录下所有的文件和文件夹
输入“cd linux回车”切换“linux”目录下
输入“ls回车”列出当前目录下所有的文件和文件夹
输入“cd my-tfa回车”切换到“my-tfa”目录下
输入“ls回车”列出“my-tfa”目录下所有的文件和文件夹
输入“cd tf-a-stm32mp-2.2.r1/回车”进入到“tf-a-stm32mp-2.2.r1”目录下
输入“ls回车”列出“tf-a-stm32mp-2.2.r1”目录下所有的文件和文件夹
输入“cd fdts/回车”进入到“fdts”目录下 2、输入“ls回车”列出“fdts”目录下的所有设备树文件 3、使用VSCode打开my-tfa目录下tf-a.code-workspace”
找到“tf-a-stm32mp-2.2.r1/fdts”目录就是设备树文件所在的目录。
见下图 4、点击“stm32mpl57d-ev1.dts”打开该文件见下图 5、“stm32mpl57d-ev1.dts”的文件内容见下图 6、为正点原子STM32MP157开发板要准备的设备树
“stm32mp157d-ev1.dts”文件很简洁,主要原因是它引用了“stm32mp157d-ed1.dts”文件,主要工作是由“stm32mp157d-ed1.dts”文件来完成的。因此我们要以“stm32mp157d-ed1.dts”为蓝本复制一份并命名为 “stm32mp157d-atk.dts”这就是我们为正点原子STM32MP157开发板要准备的设备树。
输入“cp stm32mp157d-ed1.dts stm32mp157d-atk.dts回车”复制文件
输入“ls回车”列出“fdts”目录下的所有设备树文件
发现了“stm32mp157d-atk.dts”文件这就是我们为正点原子STM32MP157开发板准备的“设备树文件”。
见下图 7、回到VSCode打开设备树文件“stm32mp157d-atk.dts”见下图 设备树文件“stm32mp157d-atk.dts”文件内容如下
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
/* * Copyright (C) STMicroelectronics 2019 - All Rights Reserved * Author: Alexandre Torgue alexandre.torguest.com for STMicroelectronics. */
/dts-v1/; #include stm32mp157.dtsi
#include stm32mp15xd.dtsi
#include stm32mp15-pinctrl.dtsi
#include stm32mp15xxaa-pinctrl.dtsi
#include stm32mp15xx-edx.dtsi
#include dt-bindings/soc/st,stm32-etzpc.h / {
model STMicroelectronics STM32MP157D eval daughter;
compatible st,stm32mp157d-ed1, st,stm32mp157; chosen {
stdout-path serial0:115200n8;
}; aliases {
serial0 uart4;
};
}; cpu1 {
cpu-supply vddcore;
}; etzpc {
st,decprot
DECPROT(STM32MP1_ETZPC_USART1_ID, DECPROT_NS_RW, DECPROT_UNLOCK)
DECPROT(STM32MP1_ETZPC_SPI6_ID, DECPROT_NS_RW, DECPROT_UNLOCK)
DECPROT(STM32MP1_ETZPC_I2C4_ID, DECPROT_NS_RW, DECPROT_UNLOCK)
DECPROT(STM32MP1_ETZPC_I2C6_ID, DECPROT_NS_RW, DECPROT_UNLOCK)
DECPROT(STM32MP1_ETZPC_RNG1_ID, DECPROT_NS_RW, DECPROT_UNLOCK)
DECPROT(STM32MP1_ETZPC_HASH1_ID, DECPROT_NS_RW, DECPROT_UNLOCK)
DECPROT(STM32MP1_ETZPC_DDRCTRL_ID, DECPROT_S_RW, DECPROT_LOCK)
DECPROT(STM32MP1_ETZPC_DDRPHYC_ID, DECPROT_S_RW, DECPROT_LOCK)
DECPROT(STM32MP1_ETZPC_STGENC_ID, DECPROT_S_RW, DECPROT_LOCK)
DECPROT(STM32MP1_ETZPC_BKPSRAM_ID, DECPROT_S_RW, DECPROT_LOCK)
DECPROT(STM32MP1_ETZPC_IWDG1_ID, DECPROT_S_RW, DECPROT_LOCK)
;
}; 8、“stm32mp15xx-edx.dtsi”是edx系列开发板的设备树通用头文件。因此
我们要以stm32mp15xx-edx.dtsi为蓝本创建正点原子STM32MP157开发板的“设备树文件的头文件”。
输入“cp stm32mp15xx-edx.dtsi stm32mp157d-atk.dtsi回车”复制文件
输入“ls回车”列出“fdts”目录下的所有设备树文件
发现了“stm32mp157d-atk.dtsi”文件这就是我们为正点原子STM32MP157开发板准备的“设备树头文件”。
见下图 9、回到VSCode打开设备树头文件“stm32mp157d-atk.dtsi”见下图 设备树头文件“stm32mp157d-atk.dtsi”文件内容如下
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
/* * Copyright (C) STMicroelectronics 2017 - All Rights Reserved * Author: Ludovic Barre ludovic.barrest.com for STMicroelectronics. */ #include dt-bindings/clock/stm32mp1-clksrc.h
#include dt-bindings/power/stm32mp1-power.h
#include stm32mp15-ddr3-2x4Gb-1066-binG.dtsi / {
memoryc0000000 {
device_type memory;
reg 0xC0000000 0x40000000;
}; vin: vin {
compatible regulator-fixed;
regulator-name vin;
regulator-min-microvolt 5000000;
regulator-max-microvolt 5000000;
regulator-always-on;
};
}; bsec {
board_id: board_idec {
reg 0xec 0x4;
st,non-secure-otp;
};
}; clk_hse {
st,digbypass;
}; cpu0{
cpu-supply vddcore;
}; hash1 {
status okay;
}; i2c4 {
pinctrl-names default;
pinctrl-0 i2c4_pins_a;
i2c-scl-rising-time-ns 185;
i2c-scl-falling-time-ns 20;
clock-frequency 400000;
status okay;
secure-status okay; pmic: stpmic33 {
compatible st,stpmic1;
reg 0x33;
interrupts-extended exti_pwr 55 IRQ_TYPE_EDGE_FALLING;
interrupt-controller;
#interrupt-cells 2;
status okay;
secure-status okay; regulators {
compatible st,stpmic1-regulators;
buck1-supply vin;
buck2-supply vin;
buck3-supply vin;
buck4-supply vin;
ldo1-supply v3v3;
ldo2-supply v3v3;
ldo3-supply vdd_ddr;
ldo4-supply vin;
ldo5-supply v3v3;
ldo6-supply v3v3;
vref_ddr-supply vin;
boost-supply vin;
pwr_sw1-supply bst_out;
pwr_sw2-supply bst_out; vddcore: buck1 {
regulator-name vddcore;
regulator-min-microvolt 1200000;
regulator-max-microvolt 1350000;
regulator-always-on;
regulator-initial-mode 0;
regulator-over-current-protection;
lp-stop {
regulator-on-in-suspend;
regulator-suspend-microvolt 1200000;
};
lplv-stop {
regulator-on-in-suspend;
regulator-suspend-microvolt 900000;
};
standby-ddr-sr {
regulator-off-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; vdd_ddr: buck2 {
regulator-name vdd_ddr;
regulator-min-microvolt 1350000;
regulator-max-microvolt 1350000;
regulator-always-on;
regulator-initial-mode 0;
regulator-over-current-protection;
lp-stop {
regulator-suspend-microvolt 1350000;
regulator-on-in-suspend;
};
lplv-stop {
regulator-suspend-microvolt 1350000;
regulator-on-in-suspend;
};
standby-ddr-sr {
regulator-suspend-microvolt 1350000;
regulator-on-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; vdd: buck3 {
regulator-name vdd;
regulator-min-microvolt 3300000;
regulator-max-microvolt 3300000;
regulator-always-on;
st,mask-reset;
regulator-initial-mode 0;
regulator-over-current-protection;
lp-stop {
regulator-suspend-microvolt 3300000;
regulator-on-in-suspend;
};
lplv-stop {
regulator-suspend-microvolt 3300000;
regulator-on-in-suspend;
};
standby-ddr-sr {
regulator-suspend-microvolt 3300000;
regulator-on-in-suspend;
};
standby-ddr-off {
regulator-suspend-microvolt 3300000;
regulator-on-in-suspend;
};
}; v3v3: buck4 {
regulator-name v3v3;
regulator-min-microvolt 3300000;
regulator-max-microvolt 3300000;
regulator-always-on;
regulator-over-current-protection;
regulator-initial-mode 0;
standby-ddr-sr {
regulator-off-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; vdda: ldo1 {
regulator-name vdda;
regulator-min-microvolt 2900000;
regulator-max-microvolt 2900000;
standby-ddr-sr {
regulator-off-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; v2v8: ldo2 {
regulator-name v2v8;
regulator-min-microvolt 2800000;
regulator-max-microvolt 2800000;
standby-ddr-sr {
regulator-off-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; vtt_ddr: ldo3 {
regulator-name vtt_ddr;
regulator-min-microvolt 500000;
regulator-max-microvolt 750000;
regulator-always-on;
regulator-over-current-protection;
lp-stop {
regulator-off-in-suspend;
};
lplv-stop {
regulator-off-in-suspend;
};
standby-ddr-sr {
regulator-off-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; vdd_usb: ldo4 {
regulator-name vdd_usb;
regulator-min-microvolt 3300000;
regulator-max-microvolt 3300000;
regulator-always-on;
standby-ddr-sr {
regulator-on-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; vdd_sd: ldo5 {
regulator-name vdd_sd;
regulator-min-microvolt 2900000;
regulator-max-microvolt 2900000;
regulator-boot-on;
standby-ddr-sr {
regulator-off-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; v1v8: ldo6 {
regulator-name v1v8;
regulator-min-microvolt 1800000;
regulator-max-microvolt 1800000;
standby-ddr-sr {
regulator-off-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; vref_ddr: vref_ddr {
regulator-name vref_ddr;
regulator-always-on;
regulator-over-current-protection;
lp-stop {
regulator-on-in-suspend;
};
lplv-stop {
regulator-on-in-suspend;
};
standby-ddr-sr {
regulator-on-in-suspend;
};
standby-ddr-off {
regulator-off-in-suspend;
};
}; bst_out: boost {
regulator-name bst_out;
}; vbus_otg: pwr_sw1 {
regulator-name vbus_otg;
}; vbus_sw: pwr_sw2 {
regulator-name vbus_sw;
regulator-active-discharge 1;
};
};
};
}; iwdg2 {
timeout-sec 32;
status okay;
secure-status okay;
}; nvmem_layout {
nvmem-cells cfg0_otp, part_number_otp, monotonic_otp, nand_otp, uid_otp, package_otp, hw2_otp, pkh_otp, board_id; nvmem-cell-names cfg0_otp, part_number_otp, monotonic_otp, nand_otp, uid_otp, package_otp, hw2_otp, pkh_otp, board_id;
}; pwr_regulators {
system_suspend_supported_soc_modes
STM32_PM_CSLEEP_RUN
STM32_PM_CSTOP_ALLOW_LP_STOP
STM32_PM_CSTOP_ALLOW_LPLV_STOP
STM32_PM_CSTOP_ALLOW_STANDBY_DDR_SR
;
system_off_soc_mode STM32_PM_CSTOP_ALLOW_STANDBY_DDR_OFF;
vdd-supply vdd;
vdd_3v3_usbfs-supply vdd_usb;
}; rcc {
st,hsi-cal;
st,csi-cal;
st,cal-sec 60;
st,clksrc
CLK_MPU_PLL1P
CLK_AXI_PLL2P
CLK_MCU_PLL3P
CLK_PLL12_HSE
CLK_PLL3_HSE
CLK_PLL4_HSE
CLK_RTC_LSE
CLK_MCO1_DISABLED
CLK_MCO2_DISABLED
; st,clkdiv
1 /*MPU*/
0 /*AXI*/
0 /*MCU*/
1 /*APB1*/
1 /*APB2*/
1 /*APB3*/
1 /*APB4*/
2 /*APB5*/
23 /*RTC*/
0 /*MCO1*/
0 /*MCO2*/
; st,pkcs
CLK_CKPER_HSE
CLK_FMC_ACLK
CLK_QSPI_ACLK
CLK_ETH_DISABLED
CLK_SDMMC12_PLL4P
CLK_DSI_DSIPLL
CLK_STGEN_HSE
CLK_USBPHY_HSE
CLK_SPI2S1_PLL3Q
CLK_SPI2S23_PLL3Q
CLK_SPI45_HSI
CLK_SPI6_HSI
CLK_I2C46_HSI
CLK_SDMMC3_PLL4P
CLK_USBO_USBPHY
CLK_ADC_CKPER
CLK_CEC_LSE
CLK_I2C12_HSI
CLK_I2C35_HSI
CLK_UART1_HSI
CLK_UART24_HSI
CLK_UART35_HSI
CLK_UART6_HSI
CLK_UART78_HSI
CLK_SPDIF_PLL4P
CLK_FDCAN_PLL4R
CLK_SAI1_PLL3Q
CLK_SAI2_PLL3Q
CLK_SAI3_PLL3Q
CLK_SAI4_PLL3Q
CLK_RNG1_LSI
CLK_RNG2_LSI
CLK_LPTIM1_PCLK1
CLK_LPTIM23_PCLK3
CLK_LPTIM45_LSE
; /* VCO 1066.0 MHz P 266 (AXI), Q 533 (GPU), R 533 (DDR) */
pll2: st,pll1 {
compatible st,stm32mp1-pll;
reg 1;
cfg 2 65 1 0 0 PQR(1,1,1);
frac 0x1400;
}; /* VCO 417.8 MHz P 209, Q 24, R 11 */
pll3: st,pll2 {
compatible st,stm32mp1-pll;
reg 2;
cfg 1 33 1 16 36 PQR(1,1,1);
frac 0x1a04;
}; /* VCO 594.0 MHz P 99, Q 74, R 74 */
pll4: st,pll3 {
compatible st,stm32mp1-pll;
reg 3;
cfg 3 98 5 7 7 PQR(1,1,1);
};
}; rng1 {
status okay;
secure-status okay;
}; rtc {
status okay;
secure-status okay;
}; sdmmc1 {
pinctrl-names default;
pinctrl-0 sdmmc1_b4_pins_a sdmmc1_dir_pins_a;
disable-wp;
st,sig-dir;
st,neg-edge;
st,use-ckin;
bus-width 4;
vmmc-supply vdd_sd;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-ddr50;
sd-uhs-sdr104;
status okay;
}; sdmmc2 {
pinctrl-names default;
pinctrl-0 sdmmc2_b4_pins_a sdmmc2_d47_pins_a;
non-removable;
no-sd;
no-sdio;
st,neg-edge;
bus-width 8;
vmmc-supply v3v3;
vqmmc-supply vdd;
mmc-ddr-3_3v;
status okay;
}; timers15 {
secure-status okay;
st,hsi-cal-input 7;
st,csi-cal-input 8;
}; uart4 {
pinctrl-names default;
pinctrl-0 uart4_pins_a;
status okay;
}; usbotg_hs {
vbus-supply vbus_otg;
}; usbphyc_port0 {
phy-supply vdd_usb;
}; usbphyc_port1 {
phy-supply vdd_usb;
}; 10、在VSCode中打开设备树文件“stm32mp157d-atk.dts”将第12行的“stm32mp15xx-edx.dtsi”修改为“stm32mp157d-atk.dtsi”
点击“文件”再点击“保存(S)”
见下图 11、回到终端
输入“cd ..回车”退回到“tf-a-stm32mp-2.2.r1”目录
输入“ls回车”列出“tf-a-stm32mp-2.2.r1”目录下所有的文件和文件夹
输入“cd ..回车”退回到“my-tfa”目录
输入“ls回车”列出“my-tfa”目录下所有的文件和文件夹
输入“vim Makefile.sdk回车”使用vim命令打开已有的“Makefile.sdk”文件见下图 “Makefile.sdk”文件见下图 12、创建新的设备树名字“stm32mp157d-atk”
将“stm32mp157d-atk”添加到TFA DEVICETREE 配置项中
见下图 13、按“ESC键”“:wq键”保存退出。
14、输入“cd tf-a-stm32mp-2.2.r1/回车”进入到“tf-a-stm32mp-2.2.r1”目录下
输入“ls回车”列出“tf-a-stm32mp-2.2.r1”目录下所有的文件和文件夹
输入“make -f ../Makefile.sdk all回车”, 执行编译 -f的意思是重新指定Makefile。
如果需要加快编译速度可是使用多线程编译线程数量最好和自己给虚拟机分配的物理核心保持一致使用-j来指定线程数命令如下
make -f ../Makefile.sdk -j8 all //使用8线程编译
见下图 14、输入“cd ..回车”返回到“my-tfa”目录
输入“ls回车”列出“my-tfa”目录下所有的文件和文件夹
输入“cd build/回车”切换到“build”目录下
输入“ls回车”列出“build”目录下所有的文件和文件夹
输入“cd trusted/回车”切换到“trusted”目录下
输入“ls 回车”列出当前目录下所有的文件和文件夹
编译成功,在“/linux/atk-mp1/my-tfa/build/trusted/”目录下,发现有以“tf-a-stm32mp157d-atk”开头的6个文件文件。
见下图 至此我们完成了TF-A移植第1步新的设备树“stm32mp157d-atk”创建好了接下来我们要修改设备树在下一节再讲文章太长了吃多了会无法消化。
