From: dillon min dillon.minfei@gmail.com

As different boards has their own sdram hw connection, mount different sdram modules, so move sdram timing parameter and pin configuration to their board device tree.

Signed-off-by: dillon min dillon.minfei@gmail.com --- arch/arm/dts/stm32h7-u-boot.dtsi | 95 ------------------------------ arch/arm/dts/stm32h743i-disco-u-boot.dtsi | 98 +++++++++++++++++++++++++++++++ arch/arm/dts/stm32h743i-eval-u-boot.dtsi | 98 +++++++++++++++++++++++++++++++ 3 files changed, 196 insertions(+), 95 deletions(-)

diff --git a/arch/arm/dts/stm32h7-u-boot.dtsi b/arch/arm/dts/stm32h7-u-boot.dtsi index 54dd406..e34d066 100644 --- a/arch/arm/dts/stm32h7-u-boot.dtsi +++ b/arch/arm/dts/stm32h7-u-boot.dtsi @@ -36,30 +36,6 @@ pinctrl-0 = <&fmc_pins>; pinctrl-names = "default"; status = "okay"; - - /* - * Memory configuration from sdram datasheet IS42S32800G-6BLI - * first bank is bank@0 - * second bank is bank@1 - */ - bank1: bank@1 { - st,sdram-control = /bits/ 8 <NO_COL_9 - NO_ROW_12 - MWIDTH_32 - BANKS_4 - CAS_2 - SDCLK_3 - RD_BURST_EN - RD_PIPE_DL_0>; - st,sdram-timing = /bits/ 8 <TMRD_1 - TXSR_1 - TRAS_1 - TRC_6 - TRP_2 - TWR_1 - TRCD_1>; - st,sdram-refcount = <1539>; - }; }; }; }; @@ -136,77 +112,6 @@ compatible = "st,stm32-gpio"; };

-&pinctrl { - fmc_pins: fmc@0 { - pins { - pinmux = <STM32_PINMUX('D', 0, AF12)>, - <STM32_PINMUX('D', 1, AF12)>, - <STM32_PINMUX('D', 8, AF12)>, - <STM32_PINMUX('D', 9, AF12)>, - <STM32_PINMUX('D',10, AF12)>, - <STM32_PINMUX('D',14, AF12)>, - <STM32_PINMUX('D',15, AF12)>, - - <STM32_PINMUX('E', 0, AF12)>, - <STM32_PINMUX('E', 1, AF12)>, - <STM32_PINMUX('E', 7, AF12)>, - <STM32_PINMUX('E', 8, AF12)>, - <STM32_PINMUX('E', 9, AF12)>, - <STM32_PINMUX('E',10, AF12)>, - <STM32_PINMUX('E',11, AF12)>, - <STM32_PINMUX('E',12, AF12)>, - <STM32_PINMUX('E',13, AF12)>, - <STM32_PINMUX('E',14, AF12)>, - <STM32_PINMUX('E',15, AF12)>, - - <STM32_PINMUX('F', 0, AF12)>, - <STM32_PINMUX('F', 1, AF12)>, - <STM32_PINMUX('F', 2, AF12)>, - <STM32_PINMUX('F', 3, AF12)>, - <STM32_PINMUX('F', 4, AF12)>, - <STM32_PINMUX('F', 5, AF12)>, - <STM32_PINMUX('F',11, AF12)>, - <STM32_PINMUX('F',12, AF12)>, - <STM32_PINMUX('F',13, AF12)>, - <STM32_PINMUX('F',14, AF12)>, - <STM32_PINMUX('F',15, AF12)>, - - <STM32_PINMUX('G', 0, AF12)>, - <STM32_PINMUX('G', 1, AF12)>, - <STM32_PINMUX('G', 2, AF12)>, - <STM32_PINMUX('G', 4, AF12)>, - <STM32_PINMUX('G', 5, AF12)>, - <STM32_PINMUX('G', 8, AF12)>, - <STM32_PINMUX('G',15, AF12)>, - - <STM32_PINMUX('H', 5, AF12)>, - <STM32_PINMUX('H', 6, AF12)>, - <STM32_PINMUX('H', 7, AF12)>, - <STM32_PINMUX('H', 8, AF12)>, - <STM32_PINMUX('H', 9, AF12)>, - <STM32_PINMUX('H',10, AF12)>, - <STM32_PINMUX('H',11, AF12)>, - <STM32_PINMUX('H',12, AF12)>, - <STM32_PINMUX('H',13, AF12)>, - <STM32_PINMUX('H',14, AF12)>, - <STM32_PINMUX('H',15, AF12)>, - - <STM32_PINMUX('I', 0, AF12)>, - <STM32_PINMUX('I', 1, AF12)>, - <STM32_PINMUX('I', 2, AF12)>, - <STM32_PINMUX('I', 3, AF12)>, - <STM32_PINMUX('I', 4, AF12)>, - <STM32_PINMUX('I', 5, AF12)>, - <STM32_PINMUX('I', 6, AF12)>, - <STM32_PINMUX('I', 7, AF12)>, - <STM32_PINMUX('I', 9, AF12)>, - <STM32_PINMUX('I',10, AF12)>; - - slew-rate = <3>; - }; - }; -}; - &pwrcfg { u-boot,dm-pre-reloc; }; diff --git a/arch/arm/dts/stm32h743i-disco-u-boot.dtsi b/arch/arm/dts/stm32h743i-disco-u-boot.dtsi index 5965afc..02e28c6 100644 --- a/arch/arm/dts/stm32h743i-disco-u-boot.dtsi +++ b/arch/arm/dts/stm32h743i-disco-u-boot.dtsi @@ -1,3 +1,101 @@ // SPDX-License-Identifier: GPL-2.0+

#include <stm32h7-u-boot.dtsi> + +&fmc { + + /* + * Memory configuration from sdram datasheet IS42S32800G-6BLI + * first bank is bank@0 + * second bank is bank@1 + */ + bank1: bank@1 { + st,sdram-control = /bits/ 8 <NO_COL_9 + NO_ROW_12 + MWIDTH_32 + BANKS_4 + CAS_2 + SDCLK_3 + RD_BURST_EN + RD_PIPE_DL_0>; + st,sdram-timing = /bits/ 8 <TMRD_1 + TXSR_1 + TRAS_1 + TRC_6 + TRP_2 + TWR_1 + TRCD_1>; + st,sdram-refcount = <1539>; + }; +}; + +&pinctrl { + fmc_pins: fmc@0 { + pins { + pinmux = <STM32_PINMUX('D', 0, AF12)>, + <STM32_PINMUX('D', 1, AF12)>, + <STM32_PINMUX('D', 8, AF12)>, + <STM32_PINMUX('D', 9, AF12)>, + <STM32_PINMUX('D',10, AF12)>, + <STM32_PINMUX('D',14, AF12)>, + <STM32_PINMUX('D',15, AF12)>, + + <STM32_PINMUX('E', 0, AF12)>, + <STM32_PINMUX('E', 1, AF12)>, + <STM32_PINMUX('E', 7, AF12)>, + <STM32_PINMUX('E', 8, AF12)>, + <STM32_PINMUX('E', 9, AF12)>, + <STM32_PINMUX('E',10, AF12)>, + <STM32_PINMUX('E',11, AF12)>, + <STM32_PINMUX('E',12, AF12)>, + <STM32_PINMUX('E',13, AF12)>, + <STM32_PINMUX('E',14, AF12)>, + <STM32_PINMUX('E',15, AF12)>, + + <STM32_PINMUX('F', 0, AF12)>, + <STM32_PINMUX('F', 1, AF12)>, + <STM32_PINMUX('F', 2, AF12)>, + <STM32_PINMUX('F', 3, AF12)>, + <STM32_PINMUX('F', 4, AF12)>, + <STM32_PINMUX('F', 5, AF12)>, + <STM32_PINMUX('F',11, AF12)>, + <STM32_PINMUX('F',12, AF12)>, + <STM32_PINMUX('F',13, AF12)>, + <STM32_PINMUX('F',14, AF12)>, + <STM32_PINMUX('F',15, AF12)>, + + <STM32_PINMUX('G', 0, AF12)>, + <STM32_PINMUX('G', 1, AF12)>, + <STM32_PINMUX('G', 2, AF12)>, + <STM32_PINMUX('G', 4, AF12)>, + <STM32_PINMUX('G', 5, AF12)>, + <STM32_PINMUX('G', 8, AF12)>, + <STM32_PINMUX('G',15, AF12)>, + + <STM32_PINMUX('H', 5, AF12)>, + <STM32_PINMUX('H', 6, AF12)>, + <STM32_PINMUX('H', 7, AF12)>, + <STM32_PINMUX('H', 8, AF12)>, + <STM32_PINMUX('H', 9, AF12)>, + <STM32_PINMUX('H',10, AF12)>, + <STM32_PINMUX('H',11, AF12)>, + <STM32_PINMUX('H',12, AF12)>, + <STM32_PINMUX('H',13, AF12)>, + <STM32_PINMUX('H',14, AF12)>, + <STM32_PINMUX('H',15, AF12)>, + + <STM32_PINMUX('I', 0, AF12)>, + <STM32_PINMUX('I', 1, AF12)>, + <STM32_PINMUX('I', 2, AF12)>, + <STM32_PINMUX('I', 3, AF12)>, + <STM32_PINMUX('I', 4, AF12)>, + <STM32_PINMUX('I', 5, AF12)>, + <STM32_PINMUX('I', 6, AF12)>, + <STM32_PINMUX('I', 7, AF12)>, + <STM32_PINMUX('I', 9, AF12)>, + <STM32_PINMUX('I',10, AF12)>; + + slew-rate = <3>; + }; + }; +}; diff --git a/arch/arm/dts/stm32h743i-eval-u-boot.dtsi b/arch/arm/dts/stm32h743i-eval-u-boot.dtsi index 5965afc..02e28c6 100644 --- a/arch/arm/dts/stm32h743i-eval-u-boot.dtsi +++ b/arch/arm/dts/stm32h743i-eval-u-boot.dtsi @@ -1,3 +1,101 @@ // SPDX-License-Identifier: GPL-2.0+

#include <stm32h7-u-boot.dtsi> + +&fmc { + + /* + * Memory configuration from sdram datasheet IS42S32800G-6BLI + * first bank is bank@0 + * second bank is bank@1 + */ + bank1: bank@1 { + st,sdram-control = /bits/ 8 <NO_COL_9 + NO_ROW_12 + MWIDTH_32 + BANKS_4 + CAS_2 + SDCLK_3 + RD_BURST_EN + RD_PIPE_DL_0>; + st,sdram-timing = /bits/ 8 <TMRD_1 + TXSR_1 + TRAS_1 + TRC_6 + TRP_2 + TWR_1 + TRCD_1>; + st,sdram-refcount = <1539>; + }; +}; + +&pinctrl { + fmc_pins: fmc@0 { + pins { + pinmux = <STM32_PINMUX('D', 0, AF12)>, + <STM32_PINMUX('D', 1, AF12)>, + <STM32_PINMUX('D', 8, AF12)>, + <STM32_PINMUX('D', 9, AF12)>, + <STM32_PINMUX('D',10, AF12)>, + <STM32_PINMUX('D',14, AF12)>, + <STM32_PINMUX('D',15, AF12)>, + + <STM32_PINMUX('E', 0, AF12)>, + <STM32_PINMUX('E', 1, AF12)>, + <STM32_PINMUX('E', 7, AF12)>, + <STM32_PINMUX('E', 8, AF12)>, + <STM32_PINMUX('E', 9, AF12)>, + <STM32_PINMUX('E',10, AF12)>, + <STM32_PINMUX('E',11, AF12)>, + <STM32_PINMUX('E',12, AF12)>, + <STM32_PINMUX('E',13, AF12)>, + <STM32_PINMUX('E',14, AF12)>, + <STM32_PINMUX('E',15, AF12)>, + + <STM32_PINMUX('F', 0, AF12)>, + <STM32_PINMUX('F', 1, AF12)>, + <STM32_PINMUX('F', 2, AF12)>, + <STM32_PINMUX('F', 3, AF12)>, + <STM32_PINMUX('F', 4, AF12)>, + <STM32_PINMUX('F', 5, AF12)>, + <STM32_PINMUX('F',11, AF12)>, + <STM32_PINMUX('F',12, AF12)>, + <STM32_PINMUX('F',13, AF12)>, + <STM32_PINMUX('F',14, AF12)>, + <STM32_PINMUX('F',15, AF12)>, + + <STM32_PINMUX('G', 0, AF12)>, + <STM32_PINMUX('G', 1, AF12)>, + <STM32_PINMUX('G', 2, AF12)>, + <STM32_PINMUX('G', 4, AF12)>, + <STM32_PINMUX('G', 5, AF12)>, + <STM32_PINMUX('G', 8, AF12)>, + <STM32_PINMUX('G',15, AF12)>, + + <STM32_PINMUX('H', 5, AF12)>, + <STM32_PINMUX('H', 6, AF12)>, + <STM32_PINMUX('H', 7, AF12)>, + <STM32_PINMUX('H', 8, AF12)>, + <STM32_PINMUX('H', 9, AF12)>, + <STM32_PINMUX('H',10, AF12)>, + <STM32_PINMUX('H',11, AF12)>, + <STM32_PINMUX('H',12, AF12)>, + <STM32_PINMUX('H',13, AF12)>, + <STM32_PINMUX('H',14, AF12)>, + <STM32_PINMUX('H',15, AF12)>, + + <STM32_PINMUX('I', 0, AF12)>, + <STM32_PINMUX('I', 1, AF12)>, + <STM32_PINMUX('I', 2, AF12)>, + <STM32_PINMUX('I', 3, AF12)>, + <STM32_PINMUX('I', 4, AF12)>, + <STM32_PINMUX('I', 5, AF12)>, + <STM32_PINMUX('I', 6, AF12)>, + <STM32_PINMUX('I', 7, AF12)>, + <STM32_PINMUX('I', 9, AF12)>, + <STM32_PINMUX('I',10, AF12)>; + + slew-rate = <3>; + }; + }; +};

From: dillon min dillon.minfei@gmail.com

All these files are add for support rt-thread art-pi board

the detail board information can be found at: https://art-pi.gitee.io/website/

board resources: - stm32h750xbh6 128k flash, 1024k sram - 32MiB sdram - 16MiB spi flash - 8MiB qspi flash - onboard wifi, bt, fm Signed-off-by: dillon min dillon.minfei@gmail.com --- arch/arm/dts/Makefile | 3 +- arch/arm/dts/stm32h743.dtsi | 8 + arch/arm/dts/stm32h750-pinctrl.dtsi | 319 +++++++++++++++++++++++++++++ arch/arm/dts/stm32h750.dtsi | 5 + arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi | 81 ++++++++ arch/arm/dts/stm32h750i-art-pi.dts | 75 +++++++ include/dt-bindings/memory/stm32-sdram.h | 2 + 7 files changed, 492 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/stm32h750-pinctrl.dtsi create mode 100644 arch/arm/dts/stm32h750.dtsi create mode 100644 arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi create mode 100644 arch/arm/dts/stm32h750i-art-pi.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index c671082..0f54801 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -454,7 +454,8 @@ dtb-$(CONFIG_STM32F7) += stm32f746-disco.dtb \ stm32f769-disco.dtb \ stm32746g-eval.dtb dtb-$(CONFIG_STM32H7) += stm32h743i-disco.dtb \ - stm32h743i-eval.dtb + stm32h743i-eval.dtb \ + stm32h750i-art-pi.dtb

dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ diff --git a/arch/arm/dts/stm32h743.dtsi b/arch/arm/dts/stm32h743.dtsi index e4e4723..bb3e2bf 100644 --- a/arch/arm/dts/stm32h743.dtsi +++ b/arch/arm/dts/stm32h743.dtsi @@ -99,6 +99,14 @@ clocks = <&rcc USART2_CK>; };

+ uart4: serial@40004c00 { + compatible = "st,stm32h7-uart"; + reg = <0x40004c00 0x400>; + interrupts = <52>; + status = "disabled"; + clocks = <&rcc UART4_CK>; + }; + i2c1: i2c@40005400 { compatible = "st,stm32f7-i2c"; #address-cells = <1>; diff --git a/arch/arm/dts/stm32h750-pinctrl.dtsi b/arch/arm/dts/stm32h750-pinctrl.dtsi new file mode 100644 index 0000000..dd88ace --- /dev/null +++ b/arch/arm/dts/stm32h750-pinctrl.dtsi @@ -0,0 +1,319 @@ +/* + * Copyright 2017 - Alexandre Torgue alexandre.torgue@st.com + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it 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. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <dt-bindings/pinctrl/stm32-pinfunc.h> + +/ { + soc { + pinctrl: pin-controller { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,stm32h743-pinctrl"; + ranges = <0 0x58020000 0x3000>; + interrupt-parent = <&exti>; + st,syscfg = <&syscfg 0x8>; + pins-are-numbered; + + gpioa: gpio@58020000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0x400>; + clocks = <&rcc GPIOA_CK>; + st,bank-name = "GPIOA"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiob: gpio@58020400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x400 0x400>; + clocks = <&rcc GPIOB_CK>; + st,bank-name = "GPIOB"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpioc: gpio@58020800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x800 0x400>; + clocks = <&rcc GPIOC_CK>; + st,bank-name = "GPIOC"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiod: gpio@58020c00 { + gpio-controller; + #gpio-cells = <2>; + reg = <0xc00 0x400>; + clocks = <&rcc GPIOD_CK>; + st,bank-name = "GPIOD"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpioe: gpio@58021000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1000 0x400>; + clocks = <&rcc GPIOE_CK>; + st,bank-name = "GPIOE"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiof: gpio@58021400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1400 0x400>; + clocks = <&rcc GPIOF_CK>; + st,bank-name = "GPIOF"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiog: gpio@58021800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1800 0x400>; + clocks = <&rcc GPIOG_CK>; + st,bank-name = "GPIOG"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpioh: gpio@58021c00 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1c00 0x400>; + clocks = <&rcc GPIOH_CK>; + st,bank-name = "GPIOH"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpioi: gpio@58022000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2000 0x400>; + clocks = <&rcc GPIOI_CK>; + st,bank-name = "GPIOI"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpioj: gpio@58022400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2400 0x400>; + clocks = <&rcc GPIOJ_CK>; + st,bank-name = "GPIOJ"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiok: gpio@58022800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2800 0x400>; + clocks = <&rcc GPIOK_CK>; + st,bank-name = "GPIOK"; + interrupt-controller; + #interrupt-cells = <2>; + }; + + i2c1_pins_a: i2c1-0 { + pins { + pinmux = <STM32_PINMUX('B', 6, AF4)>, /* I2C1_SCL */ + <STM32_PINMUX('B', 7, AF4)>; /* I2C1_SDA */ + bias-disable; + drive-open-drain; + slew-rate = <0>; + }; + }; + + ethernet_rmii: rmii-0 { + pins { + pinmux = <STM32_PINMUX('G', 11, AF11)>, + <STM32_PINMUX('G', 13, AF11)>, + <STM32_PINMUX('G', 12, AF11)>, + <STM32_PINMUX('C', 4, AF11)>, + <STM32_PINMUX('C', 5, AF11)>, + <STM32_PINMUX('A', 7, AF11)>, + <STM32_PINMUX('C', 1, AF11)>, + <STM32_PINMUX('A', 2, AF11)>, + <STM32_PINMUX('A', 1, AF11)>; + slew-rate = <2>; + }; + }; + + sdmmc1_b4_pins_a: sdmmc1-b4-0 { + pins { + pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */ + <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */ + <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */ + <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */ + <STM32_PINMUX('C', 12, AF12)>, /* SDMMC1_CK */ + <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */ + slew-rate = <3>; + drive-push-pull; + bias-disable; + }; + }; + + sdmmc1_b4_od_pins_a: sdmmc1-b4-od-0 { + pins1 { + pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */ + <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */ + <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */ + <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */ + <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */ + slew-rate = <3>; + drive-push-pull; + bias-disable; + }; + pins2{ + pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */ + slew-rate = <3>; + drive-open-drain; + bias-disable; + }; + }; + + sdmmc1_b4_sleep_pins_a: sdmmc1-b4-sleep-0 { + pins { + pinmux = <STM32_PINMUX('C', 8, ANALOG)>, /* SDMMC1_D0 */ + <STM32_PINMUX('C', 9, ANALOG)>, /* SDMMC1_D1 */ + <STM32_PINMUX('C', 10, ANALOG)>, /* SDMMC1_D2 */ + <STM32_PINMUX('C', 11, ANALOG)>, /* SDMMC1_D3 */ + <STM32_PINMUX('C', 12, ANALOG)>, /* SDMMC1_CK */ + <STM32_PINMUX('D', 2, ANALOG)>; /* SDMMC1_CMD */ + }; + }; + + sdmmc1_dir_pins_a: sdmmc1-dir-0 { + pins1 { + pinmux = <STM32_PINMUX('C', 6, AF8)>, /* SDMMC1_D0DIR */ + <STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */ + <STM32_PINMUX('B', 9, AF7)>; /* SDMMC1_CDIR */ + slew-rate = <3>; + drive-push-pull; + bias-pull-up; + }; + pins2{ + pinmux = <STM32_PINMUX('B', 8, AF7)>; /* SDMMC1_CKIN */ + bias-pull-up; + }; + }; + + sdmmc1_dir_sleep_pins_a: sdmmc1-dir-sleep-0 { + pins { + pinmux = <STM32_PINMUX('C', 6, ANALOG)>, /* SDMMC1_D0DIR */ + <STM32_PINMUX('C', 7, ANALOG)>, /* SDMMC1_D123DIR */ + <STM32_PINMUX('B', 9, ANALOG)>, /* SDMMC1_CDIR */ + <STM32_PINMUX('B', 8, ANALOG)>; /* SDMMC1_CKIN */ + }; + }; + + usart1_pins: usart1-0 { + pins1 { + pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('B', 15, AF4)>; /* USART1_RX */ + bias-disable; + }; + }; + + usart2_pins: usart2-0 { + pins1 { + pinmux = <STM32_PINMUX('D', 5, AF7)>; /* USART2_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('D', 6, AF7)>; /* USART2_RX */ + bias-disable; + }; + }; + + uart4_pins: uart4-0 { + pins1 { + pinmux = <STM32_PINMUX('A', 0, AF8)>; /* UART4_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('I', 9, AF8)>; /* UART4_RX */ + bias-disable; + }; + }; + + usbotg_hs_pins_a: usbotg-hs-0 { + pins { + pinmux = <STM32_PINMUX('H', 4, AF10)>, /* ULPI_NXT */ + <STM32_PINMUX('I', 11, AF10)>, /* ULPI_DIR> */ + <STM32_PINMUX('C', 0, AF10)>, /* ULPI_STP> */ + <STM32_PINMUX('A', 5, AF10)>, /* ULPI_CK> */ + <STM32_PINMUX('A', 3, AF10)>, /* ULPI_D0> */ + <STM32_PINMUX('B', 0, AF10)>, /* ULPI_D1> */ + <STM32_PINMUX('B', 1, AF10)>, /* ULPI_D2> */ + <STM32_PINMUX('B', 10, AF10)>, /* ULPI_D3> */ + <STM32_PINMUX('B', 11, AF10)>, /* ULPI_D4> */ + <STM32_PINMUX('B', 12, AF10)>, /* ULPI_D5> */ + <STM32_PINMUX('B', 13, AF10)>, /* ULPI_D6> */ + <STM32_PINMUX('B', 5, AF10)>; /* ULPI_D7> */ + bias-disable; + drive-push-pull; + slew-rate = <2>; + }; + }; + }; + }; +}; diff --git a/arch/arm/dts/stm32h750.dtsi b/arch/arm/dts/stm32h750.dtsi new file mode 100644 index 0000000..99533f3 --- /dev/null +++ b/arch/arm/dts/stm32h750.dtsi @@ -0,0 +1,5 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* Copyright (C) STMicroelectronics 2021 - All Rights Reserved */ + +#include "stm32h743.dtsi" + diff --git a/arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi b/arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi new file mode 100644 index 0000000..326a553 --- /dev/null +++ b/arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <stm32h7-u-boot.dtsi> + +&fmc { + /* + * Memory configuration from sdram datasheet W9825G6KH + * first bank is bank@0 + * second bank is bank@1 + */ + bank1: bank@0 { + st,sdram-control = /bits/ 8 <NO_COL_9 + NO_ROW_13 + MWIDTH_16 + BANKS_4 + CAS_2 + SDCLK_3 + RD_BURST_EN + RD_PIPE_DL_0>; + st,sdram-timing = /bits/ 8 <TMRD_2 + TXSR_6 + TRAS_6 + TRC_6 + TRP_2 + TWR_2 + TRCD_2>; + st,sdram-refcount = <677>; + }; +}; + +&pinctrl { + fmc_pins: fmc@0 { + pins { + pinmux = <STM32_PINMUX('D', 0, AF12)>, + <STM32_PINMUX('D', 1, AF12)>, + <STM32_PINMUX('D', 8, AF12)>, + <STM32_PINMUX('D', 9, AF12)>, + <STM32_PINMUX('D',10, AF12)>, + <STM32_PINMUX('D',14, AF12)>, + <STM32_PINMUX('D',15, AF12)>, + + <STM32_PINMUX('E', 0, AF12)>, + <STM32_PINMUX('E', 1, AF12)>, + <STM32_PINMUX('E', 7, AF12)>, + <STM32_PINMUX('E', 8, AF12)>, + <STM32_PINMUX('E', 9, AF12)>, + <STM32_PINMUX('E',10, AF12)>, + <STM32_PINMUX('E',11, AF12)>, + <STM32_PINMUX('E',12, AF12)>, + <STM32_PINMUX('E',13, AF12)>, + <STM32_PINMUX('E',14, AF12)>, + <STM32_PINMUX('E',15, AF12)>, + + <STM32_PINMUX('F', 0, AF12)>, + <STM32_PINMUX('F', 1, AF12)>, + <STM32_PINMUX('F', 2, AF12)>, + <STM32_PINMUX('F', 3, AF12)>, + <STM32_PINMUX('F', 4, AF12)>, + <STM32_PINMUX('F', 5, AF12)>, + <STM32_PINMUX('F',11, AF12)>, + <STM32_PINMUX('F',12, AF12)>, + <STM32_PINMUX('F',13, AF12)>, + <STM32_PINMUX('F',14, AF12)>, + <STM32_PINMUX('F',15, AF12)>, + + <STM32_PINMUX('G', 0, AF12)>, + <STM32_PINMUX('G', 1, AF12)>, + <STM32_PINMUX('G', 2, AF12)>, + <STM32_PINMUX('G', 4, AF12)>, + <STM32_PINMUX('G', 5, AF12)>, + <STM32_PINMUX('G', 8, AF12)>, + <STM32_PINMUX('G',15, AF12)>, + + <STM32_PINMUX('H', 5, AF12)>, + <STM32_PINMUX('C', 2, AF12)>, + <STM32_PINMUX('C', 3, AF12)>; + + slew-rate = <3>; + }; + }; +}; diff --git a/arch/arm/dts/stm32h750i-art-pi.dts b/arch/arm/dts/stm32h750i-art-pi.dts new file mode 100644 index 0000000..79e8ba5 --- /dev/null +++ b/arch/arm/dts/stm32h750i-art-pi.dts @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0+ OR X11 +/* + * Copyright 2021 - Dillon Min dillon.minfei@gmail.com + * + */ + +/dts-v1/; +#include "stm32h750.dtsi" +#include "stm32h750-pinctrl.dtsi" + +/ { + model = "RT-Thread STM32H750i-Art-Pi board"; + compatible = "st,stm32h750i-art-pi", "st,stm32h750"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:2000000n8"; + }; + + memory@c0000000 { + device_type = "memory"; + reg = <0xc0000000 0x2000000>; + }; + + aliases { + serial0 = &uart4; + }; + + v3v3: regulator-v3v3 { + compatible = "regulator-fixed"; + regulator-name = "v3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; +}; + +&clk_hse { + clock-frequency = <25000000>; +}; + +&mac { + status = "disabled"; + pinctrl-0 = <&ethernet_rmii>; + pinctrl-names = "default"; + phy-mode = "rmii"; + phy-handle = <&phy0>; + + mdio0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + phy0: ethernet-phy@0 { + reg = <0>; + }; + }; +}; + +&sdmmc1 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc1_b4_pins_a>; + pinctrl-1 = <&sdmmc1_b4_od_pins_a>; + pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>; + broken-cd; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <&v3v3>; + status = "okay"; +}; + +&uart4 { + pinctrl-0 = <&uart4_pins>; + pinctrl-names = "default"; + status = "okay"; +}; diff --git a/include/dt-bindings/memory/stm32-sdram.h b/include/dt-bindings/memory/stm32-sdram.h index ab91d2b..90ef2e1 100644 --- a/include/dt-bindings/memory/stm32-sdram.h +++ b/include/dt-bindings/memory/stm32-sdram.h @@ -34,8 +34,10 @@ #define TXSR_1 (1 - 1) #define TXSR_6 (6 - 1) #define TXSR_7 (7 - 1) +#define TXSR_8 (8 - 1) #define TRAS_1 (1 - 1) #define TRAS_4 (4 - 1) +#define TRAS_6 (6 - 1) #define TRC_6 (6 - 1) #define TWR_1 (1 - 1) #define TWR_2 (2 - 1)

From: dillon min dillon.minfei@gmail.com

This patch adds support for rt-thread art-pi board.

for more information about art-pi, please goto: https://art-pi.gitee.io/website/ Signed-off-by: dillon min dillon.minfei@gmail.com --- arch/arm/mach-stm32/stm32h7/Kconfig | 4 ++ board/st/stm32h750-art-pi/Kconfig | 19 +++++++++ board/st/stm32h750-art-pi/MAINTAINERS | 7 ++++ board/st/stm32h750-art-pi/Makefile | 6 +++ board/st/stm32h750-art-pi/stm32h750-art-pi.c | 58 ++++++++++++++++++++++++++++ configs/stm32h750-art-pi_defconfig | 51 ++++++++++++++++++++++++ include/configs/stm32h750-art-pi.h | 48 +++++++++++++++++++++++ 7 files changed, 193 insertions(+) create mode 100644 board/st/stm32h750-art-pi/Kconfig create mode 100644 board/st/stm32h750-art-pi/MAINTAINERS create mode 100644 board/st/stm32h750-art-pi/Makefile create mode 100644 board/st/stm32h750-art-pi/stm32h750-art-pi.c create mode 100644 configs/stm32h750-art-pi_defconfig create mode 100644 include/configs/stm32h750-art-pi.h

diff --git a/arch/arm/mach-stm32/stm32h7/Kconfig b/arch/arm/mach-stm32/stm32h7/Kconfig index 55e6217..70233a4 100644 --- a/arch/arm/mach-stm32/stm32h7/Kconfig +++ b/arch/arm/mach-stm32/stm32h7/Kconfig @@ -6,7 +6,11 @@ config TARGET_STM32H743_DISCO config TARGET_STM32H743_EVAL bool "STM32H743 Evaluation board"

+config TARGET_STM32H750_ART_PI + bool "STM32H750 ART Pi board" + source "board/st/stm32h743-eval/Kconfig" source "board/st/stm32h743-disco/Kconfig" +source "board/st/stm32h750-art-pi/Kconfig"

endif diff --git a/board/st/stm32h750-art-pi/Kconfig b/board/st/stm32h750-art-pi/Kconfig new file mode 100644 index 0000000..c31b984 --- /dev/null +++ b/board/st/stm32h750-art-pi/Kconfig @@ -0,0 +1,19 @@ +if TARGET_STM32H750_ART_PI + +config SYS_BOARD + string + default "stm32h750-art-pi" + +config SYS_VENDOR + string + default "st" + +config SYS_SOC + string + default "stm32h7" + +config SYS_CONFIG_NAME + string + default "stm32h750-art-pi" + +endif diff --git a/board/st/stm32h750-art-pi/MAINTAINERS b/board/st/stm32h750-art-pi/MAINTAINERS new file mode 100644 index 0000000..9578833 --- /dev/null +++ b/board/st/stm32h750-art-pi/MAINTAINERS @@ -0,0 +1,7 @@ +STM32H750 ART PI BOARD +M: Dillon Min dillon.minfei@gmail.com +S: Maintained +F: board/st/stm32h750-art-pi +F: include/configs/stm32h750-art-pi.h +F: configs/stm32h750-art-pi_defconfig +F: arch/arm/dts/stm32h7* diff --git a/board/st/stm32h750-art-pi/Makefile b/board/st/stm32h750-art-pi/Makefile new file mode 100644 index 0000000..a06de87 --- /dev/null +++ b/board/st/stm32h750-art-pi/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2021, RT-Thread - All Rights Reserved +# Author(s): Dillon Min, dillon.minfei@gmail.com for RT-Thread. + +obj-y := stm32h750-art-pi.o diff --git a/board/st/stm32h750-art-pi/stm32h750-art-pi.c b/board/st/stm32h750-art-pi/stm32h750-art-pi.c new file mode 100644 index 0000000..405836a --- /dev/null +++ b/board/st/stm32h750-art-pi/stm32h750-art-pi.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Patrice Chotard, patrice.chotard@foss.st.com for STMicroelectronics. + */ + +#include <common.h> +#include <dm.h> +#include <init.h> +#include <log.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + struct udevice *dev; + int ret; + + ret = uclass_get_device(UCLASS_RAM, 0, &dev); + if (ret) { + debug("DRAM init failed: %d\n", ret); + return ret; + } + + if (fdtdec_setup_mem_size_base() != 0) + ret = -EINVAL; + + return ret; +} + +int dram_init_banksize(void) +{ + fdtdec_setup_memory_banksize(); + + return 0; +} + +int board_early_init_f(void) +{ + return 0; +} + +u32 get_board_rev(void) +{ + return 0; +} + +int board_late_init(void) +{ + return 0; +} + +int board_init(void) +{ + gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100; + return 0; +} diff --git a/configs/stm32h750-art-pi_defconfig b/configs/stm32h750-art-pi_defconfig new file mode 100644 index 0000000..a5c4cd7 --- /dev/null +++ b/configs/stm32h750-art-pi_defconfig @@ -0,0 +1,51 @@ +CONFIG_ARM=y +CONFIG_ARCH_STM32=y +CONFIG_SYS_TEXT_BASE=0x90000000 +CONFIG_SYS_MALLOC_F_LEN=0xF00 +CONFIG_NR_DRAM_BANKS=1 +CONFIG_ENV_SIZE=0x2000 +CONFIG_STM32H7=y +CONFIG_TARGET_STM32H750_ART_PI=y +CONFIG_DEFAULT_DEVICE_TREE="stm32h750i-art-pi" +CONFIG_DISTRO_DEFAULTS=y +CONFIG_BOOTDELAY=3 +CONFIG_AUTOBOOT_KEYED=y +CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n" +CONFIG_AUTOBOOT_STOP_STR=" " +# CONFIG_USE_BOOTCOMMAND is not set +CONFIG_DEFAULT_FDT_FILE="stm32h750i-art-pi" +# CONFIG_DISPLAY_CPUINFO is not set +CONFIG_BOARD_EARLY_INIT_F=y +CONFIG_BOARD_LATE_INIT=y +CONFIG_SYS_PROMPT="U-Boot > " +CONFIG_CMD_GPT=y +CONFIG_CMD_MMC=y +# CONFIG_CMD_SETEXPR is not set +CONFIG_CMD_CACHE=y +CONFIG_CMD_TIMER=y +CONFIG_CMD_EXT4_WRITE=y +# CONFIG_ISO_PARTITION is not set +CONFIG_OF_CONTROL=y +CONFIG_SYS_RELOC_GD_ENV_ADDR=y +# CONFIG_NET is not set +CONFIG_DM_MMC=y +CONFIG_STM32_SDMMC2=y +# CONFIG_PINCTRL_FULL is not set +CONFIG_OF_LIBFDT_OVERLAY=y +CONFIG_BAUDRATE=2000000 +CONFIG_USE_BOOTARGS=y +CONFIG_BOOTARGS="console=ttySTM0,2000000 root=/dev/ram rdinit=/linuxrc loglevel=8" +CONFIG_BOOTCOMMAND="bootm 90080000" +CONFIG_REQUIRE_SERIAL_CONSOLE=y +CONFIG_SERIAL_PRESENT=y +CONFIG_DM_SERIAL=y +CONFIG_STM32_SERIAL=y +CONFIG_FIT=y +CONFIG_FIT_EXTERNAL_OFFSET=0x0 +CONFIG_FIT_ENABLE_SHA256_SUPPORT=y +CONFIG_FIT_FULL_CHECK=y +CONFIG_FIT_PRINT=y +CONFIG_LEGACY_IMAGE_FORMAT=y +CONFIG_SUPPORT_RAW_INITRD=y +CONFIG_USE_BOOTCOMMAND=y +CONFIG_DM_DMA=y diff --git a/include/configs/stm32h750-art-pi.h b/include/configs/stm32h750-art-pi.h new file mode 100644 index 0000000..55132ac --- /dev/null +++ b/include/configs/stm32h750-art-pi.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Patrice Chotard, patrice.chotard@foss.st.com for STMicroelectronics. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <config.h> +#include <linux/sizes.h> + +/* For booting Linux, use the first 16MB of memory */ +#define CONFIG_SYS_BOOTMAPSZ (SZ_16M + SZ_8M) + +#define CONFIG_SYS_FLASH_BASE 0x90000000 +#define CONFIG_SYS_INIT_SP_ADDR 0x24040000 + +/* + * Configuration of the external SDRAM memory + */ +#define CONFIG_SYS_LOAD_ADDR 0xC1800000 +#define CONFIG_LOADADDR 0xC1800000 + +#define CONFIG_SYS_HZ_CLOCK 1000000 + +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_REVISION_TAG + +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_MALLOC_LEN (1 * 1024 * 1024) + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 0) + +#include <config_distro_bootcmd.h> +#define CONFIG_EXTRA_ENV_SETTINGS \ + "kernel_addr_r=0xC0008000\0" \ + "fdtfile=stm32h743i-disco.dtb\0" \ + "fdt_addr_r=0xC0408000\0" \ + "scriptaddr=0xC0418000\0" \ + "pxefile_addr_r=0xC0428000\0" \ + "ramdisk_addr_r=0xC0438000\0" \ + BOOTENV + +#endif /* __CONFIG_H */

From: dillon min dillon.minfei@gmail.com

strsep will change data from original memory address, in case the memory is in non-sdram/sram place, will run into a bug(hang at SDRAM: )

just add a temporary array to store bank_name[] to fix this bug.

Fixes: f303aaf ("ram: stm32: add second SDRAM bank management") Signed-off-by: dillon min dillon.minfei@gmail.com --- drivers/ram/stm32_sdram.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/ram/stm32_sdram.c b/drivers/ram/stm32_sdram.c index 540ad85..da27677 100644 --- a/drivers/ram/stm32_sdram.c +++ b/drivers/ram/stm32_sdram.c @@ -268,6 +268,7 @@ static int stm32_fmc_of_to_plat(struct udevice *dev) u32 swp_fmc; ofnode bank_node; char *bank_name; + char _bank_name[128] = {0}; u8 bank = 0; int ret;

@@ -300,6 +301,8 @@ static int stm32_fmc_of_to_plat(struct udevice *dev) dev_for_each_subnode(bank_node, dev) { /* extract the bank index from DT */ bank_name = (char *)ofnode_get_name(bank_node); + strcpy(_bank_name, bank_name); + bank_name = _bank_name; strsep(&bank_name, "@"); if (!bank_name) { pr_err("missing sdram bank index");