diff options
| author | Tom Rini <trini@konsulko.com> | 2019-06-11 17:22:22 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-06-11 17:22:22 -0400 |
| commit | 2702646bc083c7916aedc8c5eef81948c5c3864f (patch) | |
| tree | a72dd867e47f10733d47306ea3afd0ab9da98fc4 | |
| parent | 529faf80c339b78bd361b59735664f2605322b8e (diff) | |
| parent | f90b3f5b68ed5e8d7f84aba0550d24326693524d (diff) | |
| download | u-boot-2702646bc083c7916aedc8c5eef81948c5c3864f.tar.gz u-boot-2702646bc083c7916aedc8c5eef81948c5c3864f.tar.xz u-boot-2702646bc083c7916aedc8c5eef81948c5c3864f.zip | |
Merge tag 'u-boot-stm32-20190606' of https://github.com/pchotard/u-boot
- Add Ethernet support for STM32MP1
- Add saveenv support for STM32MP1
- Add STM32MP1 Avenger96 board support
- Add SPI driver suport for STM32MP1
- Add watchdog support for STM32MP1
- Update power supply check via USB TYPE-C for STM32MP1 discovery board
27 files changed, 2352 insertions, 171 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 190050c99c..56bc543cda 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -313,6 +313,8 @@ F: drivers/ram/stm32mp1/ F: drivers/misc/stm32_rcc.c F: drivers/reset/stm32-reset.c F: drivers/spi/stm32_qspi.c +F: drivers/spi/stm32_spi.c +F: drivers/watchdog/stm32mp_wdt.c ARM STM STV0991 M: Vikas Manocha <vikas.manocha@st.com> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 3d31966380..528fb909d5 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -757,6 +757,7 @@ dtb-$(CONFIG_ARCH_STI) += stih410-b2260.dtb dtb-$(CONFIG_TARGET_STM32MP1) += \ stm32mp157a-dk1.dtb \ + stm32mp157a-avenger96.dtb \ stm32mp157c-dk2.dtb \ stm32mp157c-ed1.dtb \ stm32mp157c-ev1.dtb diff --git a/arch/arm/dts/stm32mp157-pinctrl.dtsi b/arch/arm/dts/stm32mp157-pinctrl.dtsi index 0aae69b0a0..4c424c488d 100644 --- a/arch/arm/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/dts/stm32mp157-pinctrl.dtsi @@ -173,13 +173,18 @@ <STM32_PINMUX('C', 2, AF11)>, /* ETH_RGMII_TXD2 */ <STM32_PINMUX('E', 2, AF11)>, /* ETH_RGMII_TXD3 */ <STM32_PINMUX('B', 11, AF11)>, /* ETH_RGMII_TX_CTL */ - <STM32_PINMUX('A', 2, AF11)>, /* ETH_MDIO */ <STM32_PINMUX('C', 1, AF11)>; /* ETH_MDC */ bias-disable; drive-push-pull; - slew-rate = <3>; + slew-rate = <2>; }; pins2 { + pinmux = <STM32_PINMUX('A', 2, AF11)>; /* ETH_MDIO */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins3 { pinmux = <STM32_PINMUX('C', 4, AF11)>, /* ETH_RGMII_RXD0 */ <STM32_PINMUX('C', 5, AF11)>, /* ETH_RGMII_RXD1 */ <STM32_PINMUX('B', 0, AF11)>, /* ETH_RGMII_RXD2 */ @@ -210,6 +215,50 @@ }; }; + fmc_pins_a: fmc-0 { + pins1 { + pinmux = <STM32_PINMUX('D', 4, AF12)>, /* FMC_NOE */ + <STM32_PINMUX('D', 5, AF12)>, /* FMC_NWE */ + <STM32_PINMUX('D', 11, AF12)>, /* FMC_A16_FMC_CLE */ + <STM32_PINMUX('D', 12, AF12)>, /* FMC_A17_FMC_ALE */ + <STM32_PINMUX('D', 14, AF12)>, /* FMC_D0 */ + <STM32_PINMUX('D', 15, AF12)>, /* FMC_D1 */ + <STM32_PINMUX('D', 0, AF12)>, /* FMC_D2 */ + <STM32_PINMUX('D', 1, AF12)>, /* FMC_D3 */ + <STM32_PINMUX('E', 7, AF12)>, /* FMC_D4 */ + <STM32_PINMUX('E', 8, AF12)>, /* FMC_D5 */ + <STM32_PINMUX('E', 9, AF12)>, /* FMC_D6 */ + <STM32_PINMUX('E', 10, AF12)>, /* FMC_D7 */ + <STM32_PINMUX('G', 9, AF12)>; /* FMC_NE2_FMC_NCE */ + bias-disable; + drive-push-pull; + slew-rate = <1>; + }; + pins2 { + pinmux = <STM32_PINMUX('D', 6, AF12)>; /* FMC_NWAIT */ + bias-pull-up; + }; + }; + + fmc_sleep_pins_a: fmc-sleep-0 { + pins { + pinmux = <STM32_PINMUX('D', 4, ANALOG)>, /* FMC_NOE */ + <STM32_PINMUX('D', 5, ANALOG)>, /* FMC_NWE */ + <STM32_PINMUX('D', 11, ANALOG)>, /* FMC_A16_FMC_CLE */ + <STM32_PINMUX('D', 12, ANALOG)>, /* FMC_A17_FMC_ALE */ + <STM32_PINMUX('D', 14, ANALOG)>, /* FMC_D0 */ + <STM32_PINMUX('D', 15, ANALOG)>, /* FMC_D1 */ + <STM32_PINMUX('D', 0, ANALOG)>, /* FMC_D2 */ + <STM32_PINMUX('D', 1, ANALOG)>, /* FMC_D3 */ + <STM32_PINMUX('E', 7, ANALOG)>, /* FMC_D4 */ + <STM32_PINMUX('E', 8, ANALOG)>, /* FMC_D5 */ + <STM32_PINMUX('E', 9, ANALOG)>, /* FMC_D6 */ + <STM32_PINMUX('E', 10, ANALOG)>, /* FMC_D7 */ + <STM32_PINMUX('D', 6, ANALOG)>, /* FMC_NWAIT */ + <STM32_PINMUX('G', 9, ANALOG)>; /* FMC_NE2_FMC_NCE */ + }; + }; + i2c1_pins_a: i2c1-0 { pins { pinmux = <STM32_PINMUX('D', 12, AF5)>, /* I2C1_SCL */ @@ -220,6 +269,16 @@ }; }; + i2c1_pins_b: i2c1-1 { + pins { + pinmux = <STM32_PINMUX('F', 14, AF5)>, /* I2C1_SCL */ + <STM32_PINMUX('F', 15, AF5)>; /* I2C1_SDA */ + bias-disable; + drive-open-drain; + slew-rate = <0>; + }; + }; + i2c2_pins_a: i2c2-0 { pins { pinmux = <STM32_PINMUX('H', 4, AF4)>, /* I2C2_SCL */ @@ -230,6 +289,16 @@ }; }; + i2c2_pins_b: i2c2-1 { + pins { + pinmux = <STM32_PINMUX('Z', 0, AF3)>, /* I2C2_SCL */ + <STM32_PINMUX('H', 5, AF4)>; /* I2C2_SDA */ + bias-disable; + drive-open-drain; + slew-rate = <0>; + }; + }; + i2c5_pins_a: i2c5-0 { pins { pinmux = <STM32_PINMUX('A', 11, AF4)>, /* I2C5_SCL */ @@ -375,6 +444,21 @@ }; }; + spi2_pins_a: spi2-0 { + pins1 { + pinmux = <STM32_PINMUX('B', 10, AF5)>, /* SPI2_SCK */ + <STM32_PINMUX('I', 0, AF5)>, /* SPI2_NSS */ + <STM32_PINMUX('I', 3, AF5)>; /* SPI2_MOSI */ + bias-disable; + drive-push-pull; + slew-rate = <3>; + }; + pins2 { + pinmux = <STM32_PINMUX('I', 2, AF5)>; /* SPI2_MISO */ + bias-disable; + }; + }; + stusb1600_pins_a: stusb1600-0 { pins { pinmux = <STM32_PINMUX('I', 11, ANALOG)>; @@ -395,6 +479,34 @@ }; }; + uart4_pins_b: uart4-1 { + pins1 { + pinmux = <STM32_PINMUX('D', 1, AF8)>; /* UART4_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */ + bias-disable; + }; + }; + + uart7_pins_a: uart7-0 { + pins1 { + pinmux = <STM32_PINMUX('E', 8, AF7)>; /* UART4_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('E', 7, AF7)>, /* UART4_RX */ + <STM32_PINMUX('E', 10, AF7)>, /* UART4_CTS */ + <STM32_PINMUX('E', 9, AF7)>; /* UART4_RTS */ + bias-disable; + }; + }; + usbotg_hs_pins_a: usbotg_hs-0 { pins { pinmux = <STM32_PINMUX('A', 10, ANALOG)>; /* OTG_ID */ diff --git a/arch/arm/dts/stm32mp157-u-boot.dtsi b/arch/arm/dts/stm32mp157-u-boot.dtsi index ab6f673ea2..09560e2d91 100644 --- a/arch/arm/dts/stm32mp157-u-boot.dtsi +++ b/arch/arm/dts/stm32mp157-u-boot.dtsi @@ -140,3 +140,7 @@ compatible = "st,stm32-gpio"; u-boot,dm-pre-reloc; }; + +&iwdg2 { + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi b/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi new file mode 100644 index 0000000000..1ff681afb8 --- /dev/null +++ b/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi @@ -0,0 +1,191 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +/* + * Copyright : STMicroelectronics 2018 + * + * Copyright (C) Linaro Ltd 2019 - All Rights Reserved + * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + */ + +#include <dt-bindings/clock/stm32mp1-clksrc.h> +#include "stm32mp157-u-boot.dtsi" +#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi" + +/ { + aliases { + mmc0 = &sdmmc1; + mmc1 = &sdmmc2; + usb0 = &usbotg_hs; + }; + + config { + u-boot,boot-led = "led1"; + u-boot,error-led = "led4"; + }; +}; + +&i2c4 { + u-boot,dm-pre-reloc; +}; + +&i2c4_pins_a { + u-boot,dm-pre-reloc; + pins { + u-boot,dm-pre-reloc; + }; +}; + +&pmic { + u-boot,dm-pre-reloc; +}; + +&rcc { + 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_PLL4Q + 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 = 1300.0 MHz => P = 650 (CPU) */ + pll1: st,pll@0 { + cfg = < 2 80 0 0 0 PQR(1,0,0) >; + frac = < 0x800 >; + u-boot,dm-pre-reloc; + }; + + /* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */ + pll2: st,pll@1 { + cfg = < 2 65 1 0 0 PQR(1,1,1) >; + frac = < 0x1400 >; + u-boot,dm-pre-reloc; + }; + + /* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */ + pll3: st,pll@2 { + cfg = < 1 33 1 16 36 PQR(1,1,1) >; + frac = < 0x1a04 >; + u-boot,dm-pre-reloc; + }; + + /* VCO = 480.0 MHz => P = 120, Q = 40, R = 96 */ + pll4: st,pll@3 { + cfg = < 1 39 3 11 4 PQR(1,1,1) >; + u-boot,dm-pre-reloc; + }; +}; + +&sdmmc1 { + u-boot,dm-spl; +}; + +&sdmmc1_b4_pins_a { + u-boot,dm-spl; + pins { + u-boot,dm-spl; + }; +}; + +&sdmmc1_dir_pins_a { + u-boot,dm-spl; + pins { + u-boot,dm-spl; + }; +}; + +&sdmmc2 { + u-boot,dm-spl; +}; + +&sdmmc2_b4_pins_a { + u-boot,dm-spl; + pins { + u-boot,dm-spl; + }; +}; + +&sdmmc2_d47_pins_a { + u-boot,dm-spl; + pins { + u-boot,dm-spl; + }; +}; + +&uart4 { + u-boot,dm-pre-reloc; +}; + +&uart4_pins_b { + u-boot,dm-pre-reloc; + pins1 { + u-boot,dm-pre-reloc; + }; + pins2 { + u-boot,dm-pre-reloc; + }; +}; + +&usbotg_hs { + u-boot,force-b-session-valid; + hnp-srp-disable; +}; + +&v3v3 { + regulator-always-on; +}; diff --git a/arch/arm/dts/stm32mp157a-avenger96.dts b/arch/arm/dts/stm32mp157a-avenger96.dts new file mode 100644 index 0000000000..dd0859769b --- /dev/null +++ b/arch/arm/dts/stm32mp157a-avenger96.dts @@ -0,0 +1,362 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +/* + * Copyright (C) STMicroelectronics 2019 - All Rights Reserved + * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics. + * + * Copyright (C) Linaro Ltd 2019 - All Rights Reserved + * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + */ + +/dts-v1/; + +#include "stm32mp157c.dtsi" +#include "stm32mp157-pinctrl.dtsi" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/mfd/st,stpmic1.h> + +/ { + model = "Arrow Electronics STM32MP157A Avenger96 board"; + compatible = "st,stm32mp157a-avenger96", "st,stm32mp157"; + + aliases { + ethernet0 = ðernet0; + serial0 = &uart4; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@c0000000 { + reg = <0xc0000000 0x40000000>; + }; + + led { + compatible = "gpio-leds"; + led1 { + label = "green:user1"; + gpios = <&gpioz 7 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + default-state = "off"; + }; + + led2 { + label = "green:user2"; + gpios = <&gpiof 3 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "mmc0"; + default-state = "off"; + }; + + led3 { + label = "green:user3"; + gpios = <&gpiog 0 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "mmc1"; + default-state = "off"; + }; + + led4 { + label = "green:user3"; + gpios = <&gpiog 1 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "none"; + default-state = "off"; + panic-indicator; + }; + + led5 { + label = "yellow:wifi"; + gpios = <&gpioz 3 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "phy0tx"; + default-state = "off"; + }; + + led6 { + label = "blue:bt"; + gpios = <&gpioz 6 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "bluetooth-power"; + default-state = "off"; + }; + }; +}; + +ðernet0 { + status = "okay"; + pinctrl-0 = <ðernet0_rgmii_pins_a>; + pinctrl-1 = <ðernet0_rgmii_pins_sleep_a>; + pinctrl-names = "default", "sleep"; + phy-mode = "rgmii"; + max-speed = <1000>; + phy-handle = <&phy0>; + + mdio0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + phy0: ethernet-phy@7 { + reg = <7>; + }; + }; +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins_b>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; + /delete-property/dmas; + /delete-property/dma-names; +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins_b>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; + /delete-property/dmas; + /delete-property/dma-names; +}; + +&i2c4 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c4_pins_a>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; + /delete-property/dmas; + /delete-property/dma-names; + + pmic: stpmic@33 { + compatible = "st,stpmic1"; + reg = <0x33>; + interrupts-extended = <&exti 55 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <2>; + status = "okay"; + + st,main-control-register = <0x04>; + st,vin-control-register = <0xc0>; + st,usb-control-register = <0x30>; + + regulators { + compatible = "st,stpmic1-regulators"; + + ldo1-supply = <&v3v3>; + ldo2-supply = <&v3v3>; + ldo3-supply = <&vdd_ddr>; + ldo5-supply = <&v3v3>; + ldo6-supply = <&v3v3>; + pwr_sw1-supply = <&bst_out>; + pwr_sw2-supply = <&bst_out>; + + vddcore: buck1 { + regulator-name = "vddcore"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-initial-mode = <2>; + regulator-over-current-protection; + }; + + vdd_ddr: buck2 { + regulator-name = "vdd_ddr"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-initial-mode = <2>; + regulator-over-current-protection; + }; + + vdd: buck3 { + regulator-name = "vdd"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + regulator-always-on; + st,mask_reset; + regulator-initial-mode = <8>; + regulator-over-current-protection; + }; + + v3v3: buck4 { + regulator-name = "v3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-over-current-protection; + regulator-initial-mode = <8>; + }; + + vdda: ldo1 { + regulator-name = "vdda"; + regulator-min-microvolt = <2900000>; + regulator-max-microvolt = <2900000>; + interrupts = <IT_CURLIM_LDO1 0>; + interrupt-parent = <&pmic>; + }; + + v2v8: ldo2 { + regulator-name = "v2v8"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + interrupts = <IT_CURLIM_LDO2 0>; + interrupt-parent = <&pmic>; + }; + + vtt_ddr: ldo3 { + regulator-name = "vtt_ddr"; + regulator-min-microvolt = <0000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + regulator-over-current-protection; + }; + + vdd_usb: ldo4 { + regulator-name = "vdd_usb"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + interrupts = <IT_CURLIM_LDO4 0>; + interrupt-parent = <&pmic>; + }; + + vdd_sd: ldo5 { + regulator-name = "vdd_sd"; + regulator-min-microvolt = <2900000>; + regulator-max-microvolt = <2900000>; + interrupts = <IT_CURLIM_LDO5 0>; + interrupt-parent = <&pmic>; + regulator-boot-on; + }; + + v1v8: ldo6 { + regulator-name = "v1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + interrupts = <IT_CURLIM_LDO6 0>; + interrupt-parent = <&pmic>; + }; + + vref_ddr: vref_ddr { + regulator-name = "vref_ddr"; + regulator-always-on; + regulator-over-current-protection; + }; + + bst_out: boost { + regulator-name = "bst_out"; + interrupts = <IT_OCP_BOOST 0>; + interrupt-parent = <&pmic>; + }; + + vbus_otg: pwr_sw1 { + regulator-name = "vbus_otg"; + interrupts = <IT_OCP_OTG 0>; + interrupt-parent = <&pmic>; + regulator-active-discharge; + }; + + vbus_sw: pwr_sw2 { + regulator-name = "vbus_sw"; + interrupts = <IT_OCP_SWOUT 0>; + interrupt-parent = <&pmic>; + regulator-active-discharge; + }; + }; + + onkey { + compatible = "st,stpmic1-onkey"; + interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>; + interrupt-names = "onkey-falling", "onkey-rising"; + status = "okay"; + }; + + watchdog { + compatible = "st,stpmic1-wdt"; + status = "disabled"; + }; + }; +}; + +&iwdg2 { + timeout-sec = <32>; + status = "okay"; +}; + +&pwr { + pwr-supply = <&vdd>; +}; + +&rng1 { + status = "okay"; +}; + +&rtc { + status = "okay"; +}; + +&sdmmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; + broken-cd; + st,sig-dir; + st,neg-edge; + st,use-ckin; + bus-width = <4>; + vmmc-supply = <&vdd_sd>; + 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>; + mmc-ddr-3_3v; + status = "okay"; +}; + +&spi2 { + pinctrl-names = "default"; + pinctrl-0 = <&spi2_pins_a>; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins_b>; + status = "okay"; +}; + +&uart7 { + pinctrl-names = "default"; + pinctrl-0 = <&uart7_pins_a>; + status = "okay"; +}; + +&usbh_ehci { + phys = <&usbphyc_port0>; + phy-names = "usb"; + status = "okay"; +}; + +&usbotg_hs { + dr_mode = "peripheral"; + phys = <&usbphyc_port1 0>; + phy-names = "usb2-phy"; + status = "okay"; +}; + +&usbphyc { + status = "okay"; +}; + +&usbphyc_port0 { + phy-supply = <&vdd_usb>; +}; + +&usbphyc_port1 { + phy-supply = <&vdd_usb>; +}; diff --git a/arch/arm/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts index a6ee37924f..663e52aa31 100644 --- a/arch/arm/dts/stm32mp157c-ev1.dts +++ b/arch/arm/dts/stm32mp157c-ev1.dts @@ -78,7 +78,7 @@ pinctrl-0 = <ðernet0_rgmii_pins_a>; pinctrl-1 = <ðernet0_rgmii_pins_sleep_a>; pinctrl-names = "default", "sleep"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; max-speed = <1000>; phy-handle = <&phy0>; @@ -92,6 +92,22 @@ }; }; +&fmc { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&fmc_pins_a>; + pinctrl-1 = <&fmc_sleep_pins_a>; + status = "okay"; + #address-cells = <1>; + #size-cells = <0>; + + nand: nand@0 { + reg = <0>; + nand-on-flash-bbt; + #address-cells = <1>; + #size-cells = <1>; + }; +}; + &i2c2 { pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins_a>; diff --git a/arch/arm/dts/stm32mp157c.dtsi b/arch/arm/dts/stm32mp157c.dtsi index 94634336a5..73215855cc 100644 --- a/arch/arm/dts/stm32mp157c.dtsi +++ b/arch/arm/dts/stm32mp157c.dtsi @@ -1033,6 +1033,21 @@ dma-requests = <48>; }; + fmc: nand-controller@58002000 { + compatible = "st,stm32mp15-fmc2"; + reg = <0x58002000 0x1000>, + <0x80000000 0x1000>, + <0x88010000 0x1000>, + <0x88020000 0x1000>, + <0x81000000 0x1000>, + <0x89010000 0x1000>, + <0x89020000 0x1000>; + interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc FMC_K>; + resets = <&rcc FMC_R>; + status = "disabled"; + }; + qspi: spi@58003000 { compatible = "st,stm32f469-qspi"; reg = <0x58003000 0x1000>, <0x70000000 0x10000000>; @@ -1087,21 +1102,25 @@ compatible = "st,stm32mp1-dwmac", "snps,dwmac-4.20a"; reg = <0x5800a000 0x2000>; reg-names = "stmmaceth"; - interrupts-extended = <&intc GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "macirq"; + interrupts-extended = + <&intc GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>, + <&intc GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>, + <&exti 70 1>; + interrupt-names = "macirq", + "eth_wake_irq", + "stm32_pwr_wakeup"; clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx", - "ethstp", - "syscfg-clk"; + "ethstp"; clocks = <&rcc ETHMAC>, <&rcc ETHTX>, <&rcc ETHRX>, - <&rcc ETHSTP>, - <&rcc SYSCFG>; + <&rcc ETHSTP>; st,syscon = <&syscfg 0x4>; snps,mixed-burst; snps,pbl = <2>; + snps,en-tx-lpi-clockgating; snps,axi-config = <&stmmac_axi_config_0>; snps,tso; status = "disabled"; diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig index 77f66c65c0..d9ad6b423b 100644 --- a/arch/arm/mach-stm32mp/Kconfig +++ b/arch/arm/mach-stm32mp/Kconfig @@ -17,6 +17,7 @@ config SPL select SPL_DM_RESET select SPL_SERIAL_SUPPORT select SPL_SYSCON + select SPL_WATCHDOG_SUPPORT imply BOOTSTAGE_STASH if SPL_BOOTSTAGE imply SPL_BOOTSTAGE if BOOTSTAGE imply SPL_DISPLAY_PRINT @@ -29,7 +30,7 @@ config SYS_MALLOC_LEN default 0x2000000 config ENV_SIZE - default 0x1000 + default 0x2000 config TARGET_STM32MP1 bool "Support stm32mp1xx" diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c index 7b4431c9c7..e1a0a13680 100644 --- a/arch/arm/mach-stm32mp/cpu.c +++ b/arch/arm/mach-stm32mp/cpu.c @@ -481,7 +481,7 @@ static int setup_mac_address(void) enetaddr[i] = ((uint8_t *)&otp)[i]; if (!is_valid_ethaddr(enetaddr)) { - pr_err("invalid MAC address in OTP %pM", enetaddr); + pr_err("invalid MAC address in OTP %pM\n", enetaddr); return -EINVAL; } pr_debug("OTP MAC address = %pM\n", enetaddr); diff --git a/board/st/stm32mp1/README b/board/st/stm32mp1/README index 1cd3534ae4..b0c8325061 100644 --- a/board/st/stm32mp1/README +++ b/board/st/stm32mp1/README @@ -37,6 +37,7 @@ Currently the following boards are supported: + stm32mp157c-ed1 + stm32mp157a-dk1 + stm32mp157c-dk2 ++ stm32mp157a-avenger96 3. Boot Sequences ================= @@ -84,6 +85,9 @@ the supported device trees for stm32mp157 are: + dk2: Discovery board = dk1 with a BT/WiFI combo and a DSI panel dts: stm32mp157c-dk2 ++ avenger96: Avenger96 board from Arrow Electronics + dts: stm32mp157a-avenger96 + 5. Build Procedure ================== @@ -140,6 +144,11 @@ the supported device trees for stm32mp157 are: # make stm32mp15_basic_defconfig # make DEVICE_TREE=stm32mp157c-dk2 all + d) basic boot on avenger96 + # export KBUILD_OUTPUT=stm32mp15_basic + # make stm32mp15_basic_defconfig + # make DEVICE_TREE=stm32mp157a-avenger96 all + 6. Output files BootRom and TF-A expect binaries with STM32 image header @@ -182,6 +191,20 @@ You can select the boot mode, on the board ed1 with the switch SW1 SD-Card 1 1 Recovery 0 0 +- Boot mode of Avenger96 can be selected using switch S3 + + ----------------------------------- + Boot Mode BOOT2 BOOT1 BOOT0 + ----------------------------------- + Recovery 0 0 0 + NOR 0 0 1 + SD-Card 1 0 1 + eMMC 0 1 0 + NAND 0 1 1 + Reserved 1 0 0 + Recovery 1 1 0 + SD-Card 1 1 1 + Recovery is a boot from serial link (UART/USB) and it is used with STM32CubeProgrammer tool to load executable in RAM and to update the flash devices available on the board (NOR/NAND/eMMC/SDCARD). diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index 76917b022e..776929350f 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -7,6 +7,7 @@ #include <config.h> #include <clk.h> #include <dm.h> +#include <environment.h> #include <g_dnl.h> #include <generic-phy.h> #include <i2c.h> @@ -19,6 +20,7 @@ #include <asm/io.h> #include <asm/gpio.h> #include <asm/arch/stm32.h> +#include <asm/arch/sys_proto.h> #include <power/regulator.h> #include <usb/dwc2_udc.h> @@ -51,18 +53,19 @@ #define SYSCFG_PMCSETR_ETH_SELMII BIT(20) #define SYSCFG_PMCSETR_ETH_SEL_MASK GENMASK(23, 21) -#define SYSCFG_PMCSETR_ETH_SEL_GMII_MII (0 << 21) -#define SYSCFG_PMCSETR_ETH_SEL_RGMII (1 << 21) -#define SYSCFG_PMCSETR_ETH_SEL_RMII (4 << 21) +#define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0 +#define SYSCFG_PMCSETR_ETH_SEL_RGMII BIT(21) +#define SYSCFG_PMCSETR_ETH_SEL_RMII BIT(23) /* * Get a global data pointer */ DECLARE_GLOBAL_DATA_PTR; +#define USB_LOW_THRESHOLD_UV 200000 #define USB_WARNING_LOW_THRESHOLD_UV 660000 #define USB_START_LOW_THRESHOLD_UV 1230000 -#define USB_START_HIGH_THRESHOLD_UV 2100000 +#define USB_START_HIGH_THRESHOLD_UV 2150000 int checkboard(void) { @@ -263,9 +266,10 @@ static int board_check_usb_power(void) ofnode node; unsigned int raw; int max_uV = 0; + int min_uV = USB_START_HIGH_THRESHOLD_UV; int ret, uV, adc_count; - u8 i, nb_blink; - + u32 nb_blink; + u8 i; node = ofnode_path("/config"); if (!ofnode_valid(node)) { debug("%s: no /config node?\n", __func__); @@ -317,6 +321,8 @@ static int board_check_usb_power(void) if (!adc_raw_to_uV(adc, raw, &uV)) { if (uV > max_uV) max_uV = uV; + if (uV < min_uV) + min_uV = uV; pr_debug("%s: %s[%02d] = %u, %d uV\n", __func__, adc->name, adc_args.args[0], raw, uV); } else { @@ -331,27 +337,66 @@ static int board_check_usb_power(void) * continue. */ if (max_uV > USB_START_LOW_THRESHOLD_UV && - max_uV < USB_START_HIGH_THRESHOLD_UV) + max_uV <= USB_START_HIGH_THRESHOLD_UV && + min_uV <= USB_LOW_THRESHOLD_UV) return 0; - /* Display warning message and make u-boot,error-led blinking */ - pr_err("\n*******************************************\n"); + pr_err("****************************************************\n"); + + /* + * If highest and lowest value are either both below + * USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that + * means USB TYPE-C is in unattached mode, this is an issue, make + * u-boot,error-led blinking and stop boot process. + */ + if ((max_uV > USB_LOW_THRESHOLD_UV && + min_uV > USB_LOW_THRESHOLD_UV) || + (max_uV <= USB_LOW_THRESHOLD_UV && + min_uV <= USB_LOW_THRESHOLD_UV)) { + pr_err("* ERROR USB TYPE-C connection in unattached mode *\n"); + pr_err("* Check that USB TYPE-C cable is correctly plugged *\n"); + /* with 125ms interval, led will blink for 17.02 years ....*/ + nb_blink = U32_MAX; + } - if (max_uV < USB_WARNING_LOW_THRESHOLD_UV) { - pr_err("* WARNING 500mA power supply detected *\n"); + if (max_uV > USB_LOW_THRESHOLD_UV && + max_uV <= USB_WARNING_LOW_THRESHOLD_UV && + min_uV <= USB_LOW_THRESHOLD_UV) { + pr_err("* WARNING 500mA power supply detected *\n"); nb_blink = 2; - } else { - pr_err("* WARNING 1.5A power supply detected *\n"); + } + + if (max_uV > USB_WARNING_LOW_THRESHOLD_UV && + max_uV <= USB_START_LOW_THRESHOLD_UV && + min_uV <= USB_LOW_THRESHOLD_UV) { + pr_err("* WARNING 1.5mA power supply detected *\n"); nb_blink = 3; } - pr_err("* Current too low, use a 3A power supply! *\n"); - pr_err("*******************************************\n\n"); + /* + * If highest value is above 2.15 Volts that means that the USB TypeC + * supplies more than 3 Amp, this is not compliant with TypeC specification + */ + if (max_uV > USB_START_HIGH_THRESHOLD_UV) { + pr_err("* USB TYPE-C charger not compliant with *\n"); + pr_err("* specification *\n"); + pr_err("****************************************************\n\n"); + /* with 125ms interval, led will blink for 17.02 years ....*/ + nb_blink = U32_MAX; + } else { + pr_err("* Current too low, use a 3A power supply! *\n"); + pr_err("****************************************************\n\n"); + } ret = get_led(&led, "u-boot,error-led"); - if (ret) + if (ret) { + /* in unattached case, the boot process must be stopped */ + if (nb_blink == U32_MAX) + hang(); return ret; + } + /* make u-boot,error-led blinking */ for (i = 0; i < nb_blink * 2; i++) { led_set_state(led, LEDST_TOGGLE); mdelay(125); @@ -504,3 +549,199 @@ void board_quiesce_devices(void) { setup_led(LEDST_OFF); } + +/* board interface eth init */ +/* this is a weak define that we are overriding */ +int board_interface_eth_init(phy_interface_t interface_type, + bool eth_clk_sel_reg, bool eth_ref_clk_sel_reg) +{ + u8 *syscfg; + u32 value; + + syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG); + + if (!syscfg) + return -ENODEV; + + switch (interface_type) { + case PHY_INTERFACE_MODE_MII: + value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII | + SYSCFG_PMCSETR_ETH_REF_CLK_SEL; + debug("%s: PHY_INTERFACE_MODE_MII\n", __func__); + break; + case PHY_INTERFACE_MODE_GMII: + if (eth_clk_sel_reg) + value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII | + SYSCFG_PMCSETR_ETH_CLK_SEL; + else + value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII; + debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__); + break; + case PHY_INTERFACE_MODE_RMII: + if (eth_ref_clk_sel_reg) + value = SYSCFG_PMCSETR_ETH_SEL_RMII | + SYSCFG_PMCSETR_ETH_REF_CLK_SEL; + else + value = SYSCFG_PMCSETR_ETH_SEL_RMII; + debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__); + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + if (eth_clk_sel_reg) + value = SYSCFG_PMCSETR_ETH_SEL_RGMII | + SYSCFG_PMCSETR_ETH_CLK_SEL; + else + value = SYSCFG_PMCSETR_ETH_SEL_RGMII; + debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__); + break; + default: + debug("%s: Do not manage %d interface\n", + __func__, interface_type); + /* Do not manage others interfaces */ + return -EINVAL; + } + + /* clear and set ETH configuration bits */ + writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII | + SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL, + syscfg + SYSCFG_PMCCLRR); + writel(value, syscfg + SYSCFG_PMCSETR); + + return 0; +} + +enum env_location env_get_location(enum env_operation op, int prio) +{ + u32 bootmode = get_bootmode(); + + if (prio) + return ENVL_UNKNOWN; + + switch (bootmode & TAMP_BOOT_DEVICE_MASK) { +#ifdef CONFIG_ENV_IS_IN_EXT4 + case BOOT_FLASH_SD: + case BOOT_FLASH_EMMC: + return ENVL_EXT4; +#endif +#ifdef CONFIG_ENV_IS_IN_UBI + case BOOT_FLASH_NAND: + return ENVL_UBI; +#endif +#ifdef CONFIG_ENV_IS_IN_SPI_FLASH + case BOOT_FLASH_NOR: + return ENVL_SPI_FLASH; +#endif + default: + return ENVL_NOWHERE; + } +} + +#if defined(CONFIG_ENV_IS_IN_EXT4) +const char *env_ext4_get_intf(void) +{ + u32 bootmode = get_bootmode(); + + switch (bootmode & TAMP_BOOT_DEVICE_MASK) { + case BOOT_FLASH_SD: + case BOOT_FLASH_EMMC: + return "mmc"; + default: + return ""; + } +} + +const char *env_ext4_get_dev_part(void) +{ + static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"}; + u32 bootmode = get_bootmode(); + + return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1]; +} +#endif + +#ifdef CONFIG_SYS_MTDPARTS_RUNTIME + +#define MTDPARTS_LEN 256 +#define MTDIDS_LEN 128 + +/** + * The mtdparts_nand0 and mtdparts_nor0 variable tends to be long. + * If we need to access it before the env is relocated, then we need + * to use our own stack buffer. gd->env_buf will be too small. + * + * @param buf temporary buffer pointer MTDPARTS_LEN long + * @return mtdparts variable string, NULL if not found + */ +static const char *env_get_mtdparts(const char *str, char *buf) +{ + if (gd->flags & GD_FLG_ENV_READY) + return env_get(str); + if (env_get_f(str, buf, MTDPARTS_LEN) != -1) + return buf; + + return NULL; +} + +/** + * update the variables "mtdids" and "mtdparts" with content of mtdparts_<dev> + */ +static void board_get_mtdparts(const char *dev, + char *mtdids, + char *mtdparts) +{ + char env_name[32] = "mtdparts_"; + char tmp_mtdparts[MTDPARTS_LEN]; + const char *tmp; + + /* name of env variable to read = mtdparts_<dev> */ + strcat(env_name, dev); + tmp = env_get_mtdparts(env_name, tmp_mtdparts); + if (tmp) { + /* mtdids: "<dev>=<dev>, ...." */ + if (mtdids[0] != '\0') + strcat(mtdids, ","); + strcat(mtdids, dev); + strcat(mtdids, "="); + strcat(mtdids, dev); + + /* mtdparts: "mtdparts=<dev>:<mtdparts_<dev>>;..." */ + if (mtdparts[0] != '\0') + strncat(mtdparts, ";", MTDPARTS_LEN); + else + strcat(mtdparts, "mtdparts="); + strncat(mtdparts, dev, MTDPARTS_LEN); + strncat(mtdparts, ":", MTDPARTS_LEN); + strncat(mtdparts, tmp, MTDPARTS_LEN); + } +} + +void board_mtdparts_default(const char **mtdids, const char **mtdparts) +{ + struct udevice *dev; + static char parts[2 * MTDPARTS_LEN + 1]; + static char ids[MTDIDS_LEN + 1]; + static bool mtd_initialized; + + if (mtd_initialized) { + *mtdids = ids; + *mtdparts = parts; + return; + } + + memset(parts, 0, sizeof(parts)); + memset(ids, 0, sizeof(ids)); + + if (!uclass_get_device(UCLASS_MTD, 0, &dev)) + board_get_mtdparts("nand0", ids, parts); + + if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev)) + board_get_mtdparts("nor0", ids, parts); + + mtd_initialized = true; + *mtdids = ids; + *mtdparts = parts; + debug("%s:mtdids=%s & mtdparts=%s\n", __func__, ids, parts); +} +#endif diff --git a/cmd/nvedit.c b/cmd/nvedit.c index 52c242b4f6..49d3b5bdf4 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -39,18 +39,24 @@ DECLARE_GLOBAL_DATA_PTR; -#if !defined(CONFIG_ENV_IS_IN_EEPROM) && \ - !defined(CONFIG_ENV_IS_IN_FLASH) && \ - !defined(CONFIG_ENV_IS_IN_MMC) && \ - !defined(CONFIG_ENV_IS_IN_FAT) && \ - !defined(CONFIG_ENV_IS_IN_EXT4) && \ - !defined(CONFIG_ENV_IS_IN_NAND) && \ - !defined(CONFIG_ENV_IS_IN_NVRAM) && \ - !defined(CONFIG_ENV_IS_IN_ONENAND) && \ - !defined(CONFIG_ENV_IS_IN_SATA) && \ - !defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \ - !defined(CONFIG_ENV_IS_IN_REMOTE) && \ - !defined(CONFIG_ENV_IS_IN_UBI) && \ +#if defined(CONFIG_ENV_IS_IN_EEPROM) || \ + defined(CONFIG_ENV_IS_IN_FLASH) || \ + defined(CONFIG_ENV_IS_IN_MMC) || \ + defined(CONFIG_ENV_IS_IN_FAT) || \ + defined(CONFIG_ENV_IS_IN_EXT4) || \ + defined(CONFIG_ENV_IS_IN_NAND) || \ + defined(CONFIG_ENV_IS_IN_NVRAM) || \ + defined(CONFIG_ENV_IS_IN_ONENAND) || \ + defined(CONFIG_ENV_IS_IN_SATA) || \ + defined(CONFIG_ENV_IS_IN_SPI_FLASH) || \ + defined(CONFIG_ENV_IS_IN_REMOTE) || \ + defined(CONFIG_ENV_IS_IN_UBI) + +#define ENV_IS_IN_DEVICE + +#endif + +#if !defined(ENV_IS_IN_DEVICE) && \ !defined(CONFIG_ENV_IS_NOWHERE) # error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|MMC|FAT|EXT4|\ NAND|NVRAM|ONENAND|SATA|SPI_FLASH|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE @@ -749,7 +755,7 @@ ulong env_get_ulong(const char *name, int base, ulong default_val) } #ifndef CONFIG_SPL_BUILD -#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) +#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE) static int do_env_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -1205,7 +1211,7 @@ static cmd_tbl_t cmd_env_sub[] = { #if defined(CONFIG_CMD_RUN) U_BOOT_CMD_MKENT(run, CONFIG_SYS_MAXARGS, 1, do_run, "", ""), #endif -#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) +#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE) U_BOOT_CMD_MKENT(save, 1, 0, do_env_save, "", ""), #endif U_BOOT_CMD_MKENT(set, CONFIG_SYS_MAXARGS, 0, do_env_set, "", ""), @@ -1280,7 +1286,7 @@ static char env_help_text[] = #if defined(CONFIG_CMD_RUN) "env run var [...] - run commands in an environment variable\n" #endif -#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) +#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE) "env save - save environment\n" #endif #if defined(CONFIG_CMD_NVEDIT_EFI) diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig index 0ea9dff43d..4aa184fb5b 100644 --- a/configs/stm32mp15_basic_defconfig +++ b/configs/stm32mp15_basic_defconfig @@ -29,6 +29,8 @@ CONFIG_CMD_GPIO=y CONFIG_CMD_GPT=y CONFIG_CMD_I2C=y CONFIG_CMD_MMC=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y CONFIG_CMD_USB=y CONFIG_CMD_USB_MASS_STORAGE=y CONFIG_CMD_CACHE=y @@ -37,8 +39,19 @@ CONFIG_CMD_TIMER=y CONFIG_CMD_PMIC=y CONFIG_CMD_REGULATOR=y CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_MTDPARTS=y +CONFIG_CMD_UBI=y # CONFIG_SPL_DOS_PARTITION is not set CONFIG_DEFAULT_DEVICE_TREE="stm32mp157c-ev1" +CONFIG_ENV_IS_NOWHERE=y +CONFIG_ENV_IS_IN_EXT4=y +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_ENV_IS_IN_UBI=y +CONFIG_ENV_EXT4_INTERFACE="mmc" +CONFIG_ENV_EXT4_DEVICE_AND_PART="0:auto" +CONFIG_ENV_EXT4_FILE="/uboot.env" +CONFIG_ENV_UBI_PART="UBI" +CONFIG_ENV_UBI_VOLUME="uboot_config" CONFIG_STM32_ADC=y CONFIG_USB_FUNCTION_FASTBOOT=y CONFIG_FASTBOOT_BUF_ADDR=0xC0000000 @@ -55,6 +68,20 @@ CONFIG_LED_GPIO=y CONFIG_DM_MMC=y CONFIG_SUPPORT_EMMC_BOOT=y CONFIG_STM32_SDMMC2=y +CONFIG_MTD=y +CONFIG_NAND=y +CONFIG_NAND_STM32_FMC2=y +CONFIG_DM_SPI_FLASH=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_BAR=y +CONFIG_SPI_FLASH_MACRONIX=y +CONFIG_SPI_FLASH_SPANSION=y +CONFIG_SPI_FLASH_STMICRO=y +CONFIG_SPI_FLASH_WINBOND=y +# CONFIG_SPI_FLASH_USE_4K_SECTORS is not set +CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_DWC_ETH_QOS=y CONFIG_PHY=y CONFIG_PHY_STM32_USBPHYC=y CONFIG_PINCONF=y @@ -69,6 +96,10 @@ CONFIG_DM_REGULATOR_STM32_VREFBUF=y CONFIG_DM_REGULATOR_STPMIC1=y CONFIG_SERIAL_RX_BUFFER=y CONFIG_STM32_SERIAL=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_STM32_QSPI=y +CONFIG_STM32_SPI=y CONFIG_USB=y CONFIG_DM_USB=y CONFIG_DM_USB_GADGET=y @@ -79,3 +110,5 @@ CONFIG_USB_GADGET_MANUFACTURER="STMicroelectronics" CONFIG_USB_GADGET_VENDOR_NUM=0x0483 CONFIG_USB_GADGET_PRODUCT_NUM=0x5720 CONFIG_USB_GADGET_DWC2_OTG=y +CONFIG_WDT=y +CONFIG_WDT_STM32MP=y diff --git a/configs/stm32mp15_trusted_defconfig b/configs/stm32mp15_trusted_defconfig index 3c2bb75564..66361c8715 100644 --- a/configs/stm32mp15_trusted_defconfig +++ b/configs/stm32mp15_trusted_defconfig @@ -22,6 +22,8 @@ CONFIG_CMD_GPIO=y CONFIG_CMD_GPT=y CONFIG_CMD_I2C=y CONFIG_CMD_MMC=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y CONFIG_CMD_USB=y CONFIG_CMD_USB_MASS_STORAGE=y CONFIG_CMD_CACHE=y @@ -30,7 +32,18 @@ CONFIG_CMD_TIMER=y CONFIG_CMD_PMIC=y CONFIG_CMD_REGULATOR=y CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_MTDPARTS=y +CONFIG_CMD_UBI=y CONFIG_DEFAULT_DEVICE_TREE="stm32mp157c-ev1" +CONFIG_ENV_IS_NOWHERE=y +CONFIG_ENV_IS_IN_EXT4=y +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_ENV_IS_IN_UBI=y +CONFIG_ENV_EXT4_INTERFACE="mmc" +CONFIG_ENV_EXT4_DEVICE_AND_PART="0:auto" +CONFIG_ENV_EXT4_FILE="/uboot.env" +CONFIG_ENV_UBI_PART="UBI" +CONFIG_ENV_UBI_VOLUME="uboot_config" CONFIG_STM32_ADC=y CONFIG_USB_FUNCTION_FASTBOOT=y CONFIG_FASTBOOT_BUF_ADDR=0xC0000000 @@ -47,6 +60,20 @@ CONFIG_LED_GPIO=y CONFIG_DM_MMC=y CONFIG_SUPPORT_EMMC_BOOT=y CONFIG_STM32_SDMMC2=y +CONFIG_MTD=y +CONFIG_NAND=y +CONFIG_NAND_STM32_FMC2=y +CONFIG_DM_SPI_FLASH=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_BAR=y +CONFIG_SPI_FLASH_MACRONIX=y +CONFIG_SPI_FLASH_SPANSION=y +CONFIG_SPI_FLASH_STMICRO=y +CONFIG_SPI_FLASH_WINBOND=y +# CONFIG_SPI_FLASH_USE_4K_SECTORS is not set +CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_ETH_DESIGNWARE=y CONFIG_PHY=y CONFIG_PHY_STM32_USBPHYC=y CONFIG_PINCONF=y @@ -59,6 +86,10 @@ CONFIG_DM_REGULATOR_STM32_VREFBUF=y CONFIG_DM_REGULATOR_STPMIC1=y CONFIG_SERIAL_RX_BUFFER=y CONFIG_STM32_SERIAL=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_STM32_QSPI=y +CONFIG_STM32_SPI=y CONFIG_USB=y CONFIG_DM_USB=y CONFIG_DM_USB_GADGET=y @@ -69,3 +100,5 @@ CONFIG_USB_GADGET_MANUFACTURER="STMicroelectronics" CONFIG_USB_GADGET_VENDOR_NUM=0x0483 CONFIG_USB_GADGET_PRODUCT_NUM=0x5720 CONFIG_USB_GADGET_DWC2_OTG=y +CONFIG_WDT=y +CONFIG_WDT_STM32MP=y diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c index 6272b00b9e..f295e4864b 100644 --- a/drivers/clk/clk_stm32mp1.c +++ b/drivers/clk/clk_stm32mp1.c @@ -90,6 +90,7 @@ #define RCC_PLL4CSGR 0x8A4 #define RCC_I2C12CKSELR 0x8C0 #define RCC_I2C35CKSELR 0x8C4 +#define RCC_SPI2S1CKSELR 0x8D8 #define RCC_UART6CKSELR 0x8E4 #define RCC_UART24CKSELR 0x8E8 #define RCC_UART35CKSELR 0x8EC @@ -298,6 +299,7 @@ enum stm32mp1_parent_sel { _STGEN_SEL, _DSI_SEL, _ADC12_SEL, + _SPI1_SEL, _PARENT_SEL_NB, _UNKNOWN_SEL = 0xff, }; @@ -519,6 +521,7 @@ static const struct stm32mp1_clk_gate stm32mp1_clk_gate[] = { STM32MP1_CLK_SET_CLR(RCC_MP_APB1ENSETR, 23, I2C3_K, _I2C35_SEL), STM32MP1_CLK_SET_CLR(RCC_MP_APB1ENSETR, 24, I2C5_K, _I2C35_SEL), + STM32MP1_CLK_SET_CLR(RCC_MP_APB2ENSETR, 8, SPI1_K, _SPI1_SEL), STM32MP1_CLK_SET_CLR(RCC_MP_APB2ENSETR, 13, USART6_K, _UART6_SEL), STM32MP1_CLK_SET_CLR_F(RCC_MP_APB3ENSETR, 13, VREF, _PCLK3), @@ -555,7 +558,7 @@ static const struct stm32mp1_clk_gate stm32mp1_clk_gate[] = { STM32MP1_CLK_SET_CLR(RCC_MP_AHB5ENSETR, 0, GPIOZ, _UNKNOWN_SEL), - STM32MP1_CLK_SET_CLR(RCC_MP_AHB6ENSETR, 7, ETHCK, _ETH_SEL), + STM32MP1_CLK_SET_CLR(RCC_MP_AHB6ENSETR, 7, ETHCK_K, _ETH_SEL), STM32MP1_CLK_SET_CLR(RCC_MP_AHB6ENSETR, 8, ETHTX, _UNKNOWN_SEL), STM32MP1_CLK_SET_CLR(RCC_MP_AHB6ENSETR, 9, ETHRX, _UNKNOWN_SEL), STM32MP1_CLK_SET_CLR_F(RCC_MP_AHB6ENSETR, 10, ETHMAC, _ACLK), @@ -589,6 +592,8 @@ static const u8 usbo_parents[] = {_PLL4_R, _USB_PHY_48}; static const u8 stgen_parents[] = {_HSI_KER, _HSE_KER}; static const u8 dsi_parents[] = {_DSI_PHY, _PLL4_P}; static const u8 adc_parents[] = {_PLL4_R, _CK_PER, _PLL3_Q}; +static const u8 spi_parents[] = {_PLL4_P, _PLL3_Q, _I2S_CKIN, _CK_PER, + _PLL3_R}; static const struct stm32mp1_clk_sel stm32mp1_clk_sel[_PARENT_SEL_NB] = { STM32MP1_CLK_PARENT(_I2C12_SEL, RCC_I2C12CKSELR, 0, 0x7, i2c12_parents), @@ -613,6 +618,7 @@ static const struct stm32mp1_clk_sel stm32mp1_clk_sel[_PARENT_SEL_NB] = { STM32MP1_CLK_PARENT(_STGEN_SEL, RCC_STGENCKSELR, 0, 0x3, stgen_parents), STM32MP1_CLK_PARENT(_DSI_SEL, RCC_DSICKSELR, 0, 0x1, dsi_parents), STM32MP1_CLK_PARENT(_ADC12_SEL, RCC_ADCCKSELR, 0, 0x1, adc_parents), + STM32MP1_CLK_PARENT(_SPI1_SEL, RCC_SPI2S1CKSELR, 0, 0x7, spi_parents), }; #ifdef STM32MP1_CLOCK_TREE_INIT @@ -727,6 +733,7 @@ char * const stm32mp1_clk_parent_sel_name[_PARENT_SEL_NB] = { [_STGEN_SEL] = "STGEN", [_DSI_SEL] = "DSI", [_ADC12_SEL] = "ADC12", + [_SPI1_SEL] = "SPI1", }; static const struct stm32mp1_clk_data stm32mp1_data = { diff --git a/drivers/mtd/mtd_uboot.c b/drivers/mtd/mtd_uboot.c index d638f700d0..0a41ed477c 100644 --- a/drivers/mtd/mtd_uboot.c +++ b/drivers/mtd/mtd_uboot.c @@ -122,7 +122,6 @@ static const char *get_mtdparts(void) { __maybe_unused const char *mtdids = NULL; static char tmp_parts[MTDPARTS_MAXLEN]; - static bool use_defaults = true; const char *mtdparts = NULL; if (gd->flags & GD_FLG_ENV_READY) @@ -130,7 +129,7 @@ static const char *get_mtdparts(void) else if (env_get_f("mtdparts", tmp_parts, sizeof(tmp_parts)) != -1) mtdparts = tmp_parts; - if (mtdparts || !use_defaults) + if (mtdparts) return mtdparts; #if defined(CONFIG_SYS_MTDPARTS_RUNTIME) @@ -144,8 +143,6 @@ static const char *get_mtdparts(void) if (mtdparts) env_set("mtdparts", mtdparts); - use_defaults = false; - return mtdparts; } diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 590e756f5c..07b36675a7 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -26,7 +26,6 @@ * supports a single RGMII PHY. This configuration also has SW control over * all clock and reset signals to the HW block. */ - #include <common.h> #include <clk.h> #include <dm.h> @@ -95,6 +94,7 @@ struct eqos_mac_regs { #define EQOS_MAC_RXQ_CTRL0_RXQ0EN_MASK 3 #define EQOS_MAC_RXQ_CTRL0_RXQ0EN_NOT_ENABLED 0 #define EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB 2 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_AV 1 #define EQOS_MAC_RXQ_CTRL2_PSRQ0_SHIFT 0 #define EQOS_MAC_RXQ_CTRL2_PSRQ0_MASK 0xff @@ -108,6 +108,7 @@ struct eqos_mac_regs { #define EQOS_MAC_MDIO_ADDRESS_RDA_SHIFT 16 #define EQOS_MAC_MDIO_ADDRESS_CR_SHIFT 8 #define EQOS_MAC_MDIO_ADDRESS_CR_20_35 2 +#define EQOS_MAC_MDIO_ADDRESS_CR_250_300 5 #define EQOS_MAC_MDIO_ADDRESS_SKAP BIT(4) #define EQOS_MAC_MDIO_ADDRESS_GOC_SHIFT 2 #define EQOS_MAC_MDIO_ADDRESS_GOC_READ 3 @@ -260,6 +261,29 @@ struct eqos_desc { struct eqos_config { bool reg_access_always_ok; + int mdio_wait; + int swr_wait; + int config_mac; + int config_mac_mdio; + phy_interface_t (*interface)(struct udevice *dev); + struct eqos_ops *ops; +}; + +struct eqos_ops { + void (*eqos_inval_desc)(void *desc); + void (*eqos_flush_desc)(void *desc); + void (*eqos_inval_buffer)(void *buf, size_t size); + void (*eqos_flush_buffer)(void *buf, size_t size); + int (*eqos_probe_resources)(struct udevice *dev); + int (*eqos_remove_resources)(struct udevice *dev); + int (*eqos_stop_resets)(struct udevice *dev); + int (*eqos_start_resets)(struct udevice *dev); + void (*eqos_stop_clks)(struct udevice *dev); + int (*eqos_start_clks)(struct udevice *dev); + int (*eqos_calibrate_pads)(struct udevice *dev); + int (*eqos_disable_calibration)(struct udevice *dev); + int (*eqos_set_tx_clk_speed)(struct udevice *dev); + ulong (*eqos_get_tick_clk_rate)(struct udevice *dev); }; struct eqos_priv { @@ -276,6 +300,7 @@ struct eqos_priv { struct clk clk_rx; struct clk clk_ptp_ref; struct clk clk_tx; + struct clk clk_ck; struct clk clk_slave_bus; struct mii_dev *mii; struct phy_device *phy; @@ -327,7 +352,7 @@ static void eqos_free_descs(void *descs) #endif } -static void eqos_inval_desc(void *desc) +static void eqos_inval_desc_tegra186(void *desc) { #ifndef CONFIG_SYS_NONCACHED_MEMORY unsigned long start = (unsigned long)desc & ~(ARCH_DMA_MINALIGN - 1); @@ -338,14 +363,36 @@ static void eqos_inval_desc(void *desc) #endif } -static void eqos_flush_desc(void *desc) +static void eqos_inval_desc_stm32(void *desc) +{ +#ifndef CONFIG_SYS_NONCACHED_MEMORY + unsigned long start = rounddown((unsigned long)desc, ARCH_DMA_MINALIGN); + unsigned long end = roundup((unsigned long)desc + EQOS_DESCRIPTOR_SIZE, + ARCH_DMA_MINALIGN); + + invalidate_dcache_range(start, end); +#endif +} + +static void eqos_flush_desc_tegra186(void *desc) { #ifndef CONFIG_SYS_NONCACHED_MEMORY flush_cache((unsigned long)desc, EQOS_DESCRIPTOR_SIZE); #endif } -static void eqos_inval_buffer(void *buf, size_t size) +static void eqos_flush_desc_stm32(void *desc) +{ +#ifndef CONFIG_SYS_NONCACHED_MEMORY + unsigned long start = rounddown((unsigned long)desc, ARCH_DMA_MINALIGN); + unsigned long end = roundup((unsigned long)desc + EQOS_DESCRIPTOR_SIZE, + ARCH_DMA_MINALIGN); + + flush_dcache_range(start, end); +#endif +} + +static void eqos_inval_buffer_tegra186(void *buf, size_t size) { unsigned long start = (unsigned long)buf & ~(ARCH_DMA_MINALIGN - 1); unsigned long end = ALIGN(start + size, ARCH_DMA_MINALIGN); @@ -353,11 +400,29 @@ static void eqos_inval_buffer(void *buf, size_t size) invalidate_dcache_range(start, end); } -static void eqos_flush_buffer(void *buf, size_t size) +static void eqos_inval_buffer_stm32(void *buf, size_t size) +{ + unsigned long start = rounddown((unsigned long)buf, ARCH_DMA_MINALIGN); + unsigned long end = roundup((unsigned long)buf + size, + ARCH_DMA_MINALIGN); + + invalidate_dcache_range(start, end); +} + +static void eqos_flush_buffer_tegra186(void *buf, size_t size) { flush_cache((unsigned long)buf, size); } +static void eqos_flush_buffer_stm32(void *buf, size_t size) +{ + unsigned long start = rounddown((unsigned long)buf, ARCH_DMA_MINALIGN); + unsigned long end = roundup((unsigned long)buf + size, + ARCH_DMA_MINALIGN); + + flush_dcache_range(start, end); +} + static int eqos_mdio_wait_idle(struct eqos_priv *eqos) { return wait_for_bit_le32(&eqos->mac_regs->mdio_address, @@ -386,14 +451,14 @@ static int eqos_mdio_read(struct mii_dev *bus, int mdio_addr, int mdio_devad, EQOS_MAC_MDIO_ADDRESS_C45E; val |= (mdio_addr << EQOS_MAC_MDIO_ADDRESS_PA_SHIFT) | (mdio_reg << EQOS_MAC_MDIO_ADDRESS_RDA_SHIFT) | - (EQOS_MAC_MDIO_ADDRESS_CR_20_35 << + (eqos->config->config_mac_mdio << EQOS_MAC_MDIO_ADDRESS_CR_SHIFT) | (EQOS_MAC_MDIO_ADDRESS_GOC_READ << EQOS_MAC_MDIO_ADDRESS_GOC_SHIFT) | EQOS_MAC_MDIO_ADDRESS_GB; writel(val, &eqos->mac_regs->mdio_address); - udelay(10); + udelay(eqos->config->mdio_wait); ret = eqos_mdio_wait_idle(eqos); if (ret) { @@ -432,14 +497,14 @@ static int eqos_mdio_write(struct mii_dev *bus, int mdio_addr, int mdio_devad, EQOS_MAC_MDIO_ADDRESS_C45E; val |= (mdio_addr << EQOS_MAC_MDIO_ADDRESS_PA_SHIFT) | (mdio_reg << EQOS_MAC_MDIO_ADDRESS_RDA_SHIFT) | - (EQOS_MAC_MDIO_ADDRESS_CR_20_35 << + (eqos->config->config_mac_mdio << EQOS_MAC_MDIO_ADDRESS_CR_SHIFT) | (EQOS_MAC_MDIO_ADDRESS_GOC_WRITE << EQOS_MAC_MDIO_ADDRESS_GOC_SHIFT) | EQOS_MAC_MDIO_ADDRESS_GB; writel(val, &eqos->mac_regs->mdio_address); - udelay(10); + udelay(eqos->config->mdio_wait); ret = eqos_mdio_wait_idle(eqos); if (ret) { @@ -509,6 +574,53 @@ err: return ret; } +static int eqos_start_clks_stm32(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + int ret; + + debug("%s(dev=%p):\n", __func__, dev); + + ret = clk_enable(&eqos->clk_master_bus); + if (ret < 0) { + pr_err("clk_enable(clk_master_bus) failed: %d", ret); + goto err; + } + + ret = clk_enable(&eqos->clk_rx); + if (ret < 0) { + pr_err("clk_enable(clk_rx) failed: %d", ret); + goto err_disable_clk_master_bus; + } + + ret = clk_enable(&eqos->clk_tx); + if (ret < 0) { + pr_err("clk_enable(clk_tx) failed: %d", ret); + goto err_disable_clk_rx; + } + + if (clk_valid(&eqos->clk_ck)) { + ret = clk_enable(&eqos->clk_ck); + if (ret < 0) { + pr_err("clk_enable(clk_ck) failed: %d", ret); + goto err_disable_clk_tx; + } + } + + debug("%s: OK\n", __func__); + return 0; + +err_disable_clk_tx: + clk_disable(&eqos->clk_tx); +err_disable_clk_rx: + clk_disable(&eqos->clk_rx); +err_disable_clk_master_bus: + clk_disable(&eqos->clk_master_bus); +err: + debug("%s: FAILED: %d\n", __func__, ret); + return ret; +} + void eqos_stop_clks_tegra186(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -524,6 +636,21 @@ void eqos_stop_clks_tegra186(struct udevice *dev) debug("%s: OK\n", __func__); } +void eqos_stop_clks_stm32(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + + debug("%s(dev=%p):\n", __func__, dev); + + clk_disable(&eqos->clk_tx); + clk_disable(&eqos->clk_rx); + clk_disable(&eqos->clk_master_bus); + if (clk_valid(&eqos->clk_ck)) + clk_disable(&eqos->clk_ck); + + debug("%s: OK\n", __func__); +} + static int eqos_start_resets_tegra186(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -563,6 +690,11 @@ static int eqos_start_resets_tegra186(struct udevice *dev) return 0; } +static int eqos_start_resets_stm32(struct udevice *dev) +{ + return 0; +} + static int eqos_stop_resets_tegra186(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -573,6 +705,11 @@ static int eqos_stop_resets_tegra186(struct udevice *dev) return 0; } +static int eqos_stop_resets_stm32(struct udevice *dev) +{ + return 0; +} + static int eqos_calibrate_pads_tegra186(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -632,6 +769,23 @@ static ulong eqos_get_tick_clk_rate_tegra186(struct udevice *dev) return clk_get_rate(&eqos->clk_slave_bus); } +static ulong eqos_get_tick_clk_rate_stm32(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + + return clk_get_rate(&eqos->clk_master_bus); +} + +static int eqos_calibrate_pads_stm32(struct udevice *dev) +{ + return 0; +} + +static int eqos_disable_calibration_stm32(struct udevice *dev) +{ + return 0; +} + static int eqos_set_full_duplex(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -726,6 +880,11 @@ static int eqos_set_tx_clk_speed_tegra186(struct udevice *dev) return 0; } +static int eqos_set_tx_clk_speed_stm32(struct udevice *dev) +{ + return 0; +} + static int eqos_adjust_link(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -766,23 +925,23 @@ static int eqos_adjust_link(struct udevice *dev) } if (en_calibration) { - ret = eqos_calibrate_pads_tegra186(dev); + ret = eqos->config->ops->eqos_calibrate_pads(dev); if (ret < 0) { - pr_err("eqos_calibrate_pads_tegra186() failed: %d", ret); + pr_err("eqos_calibrate_pads() failed: %d", + ret); return ret; } } else { - ret = eqos_disable_calibration_tegra186(dev); + ret = eqos->config->ops->eqos_disable_calibration(dev); if (ret < 0) { - pr_err("eqos_disable_calibration_tegra186() failed: %d", - ret); + pr_err("eqos_disable_calibration() failed: %d", + ret); return ret; } } - - ret = eqos_set_tx_clk_speed_tegra186(dev); + ret = eqos->config->ops->eqos_set_tx_clk_speed(dev); if (ret < 0) { - pr_err("eqos_set_tx_clk_speed_tegra186() failed: %d", ret); + pr_err("eqos_set_tx_clk_speed() failed: %d", ret); return ret; } @@ -846,15 +1005,15 @@ static int eqos_start(struct udevice *dev) eqos->tx_desc_idx = 0; eqos->rx_desc_idx = 0; - ret = eqos_start_clks_tegra186(dev); + ret = eqos->config->ops->eqos_start_clks(dev); if (ret < 0) { - pr_err("eqos_start_clks_tegra186() failed: %d", ret); + pr_err("eqos_start_clks() failed: %d", ret); goto err; } - ret = eqos_start_resets_tegra186(dev); + ret = eqos->config->ops->eqos_start_resets(dev); if (ret < 0) { - pr_err("eqos_start_resets_tegra186() failed: %d", ret); + pr_err("eqos_start_resets() failed: %d", ret); goto err_stop_clks; } @@ -863,32 +1022,41 @@ static int eqos_start(struct udevice *dev) eqos->reg_access_ok = true; ret = wait_for_bit_le32(&eqos->dma_regs->mode, - EQOS_DMA_MODE_SWR, false, 10, false); + EQOS_DMA_MODE_SWR, false, + eqos->config->swr_wait, false); if (ret) { pr_err("EQOS_DMA_MODE_SWR stuck"); goto err_stop_resets; } - ret = eqos_calibrate_pads_tegra186(dev); + ret = eqos->config->ops->eqos_calibrate_pads(dev); if (ret < 0) { - pr_err("eqos_calibrate_pads_tegra186() failed: %d", ret); + pr_err("eqos_calibrate_pads() failed: %d", ret); goto err_stop_resets; } + rate = eqos->config->ops->eqos_get_tick_clk_rate(dev); - rate = eqos_get_tick_clk_rate_tegra186(dev); val = (rate / 1000000) - 1; writel(val, &eqos->mac_regs->us_tic_counter); - eqos->phy = phy_connect(eqos->mii, 0, dev, 0); + /* + * if PHY was already connected and configured, + * don't need to reconnect/reconfigure again + */ if (!eqos->phy) { - pr_err("phy_connect() failed"); - goto err_stop_resets; - } - ret = phy_config(eqos->phy); - if (ret < 0) { - pr_err("phy_config() failed: %d", ret); - goto err_shutdown_phy; + eqos->phy = phy_connect(eqos->mii, 0, dev, + eqos->config->interface(dev)); + if (!eqos->phy) { + pr_err("phy_connect() failed"); + goto err_stop_resets; + } + ret = phy_config(eqos->phy); + if (ret < 0) { + pr_err("phy_config() failed: %d", ret); + goto err_shutdown_phy; + } } + ret = phy_startup(eqos->phy); if (ret < 0) { pr_err("phy_startup() failed: %d", ret); @@ -993,7 +1161,7 @@ static int eqos_start(struct udevice *dev) clrsetbits_le32(&eqos->mac_regs->rxq_ctrl0, EQOS_MAC_RXQ_CTRL0_RXQ0EN_MASK << EQOS_MAC_RXQ_CTRL0_RXQ0EN_SHIFT, - EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB << + eqos->config->config_mac << EQOS_MAC_RXQ_CTRL0_RXQ0EN_SHIFT); /* Set TX flow control parameters */ @@ -1074,7 +1242,7 @@ static int eqos_start(struct udevice *dev) (i * EQOS_MAX_PACKET_SIZE)); rx_desc->des3 |= EQOS_DESC3_OWN | EQOS_DESC3_BUF1V; } - flush_cache((unsigned long)eqos->descs, EQOS_DESCRIPTORS_SIZE); + eqos->config->ops->eqos_flush_desc(eqos->descs); writel(0, &eqos->dma_regs->ch0_txdesc_list_haddress); writel((ulong)eqos->tx_descs, &eqos->dma_regs->ch0_txdesc_list_address); @@ -1113,11 +1281,10 @@ static int eqos_start(struct udevice *dev) err_shutdown_phy: phy_shutdown(eqos->phy); - eqos->phy = NULL; err_stop_resets: - eqos_stop_resets_tegra186(dev); + eqos->config->ops->eqos_stop_resets(dev); err_stop_clks: - eqos_stop_clks_tegra186(dev); + eqos->config->ops->eqos_stop_clks(dev); err: pr_err("FAILED: %d", ret); return ret; @@ -1170,10 +1337,9 @@ void eqos_stop(struct udevice *dev) if (eqos->phy) { phy_shutdown(eqos->phy); - eqos->phy = NULL; } - eqos_stop_resets_tegra186(dev); - eqos_stop_clks_tegra186(dev); + eqos->config->ops->eqos_stop_resets(dev); + eqos->config->ops->eqos_stop_clks(dev); debug("%s: OK\n", __func__); } @@ -1188,7 +1354,7 @@ int eqos_send(struct udevice *dev, void *packet, int length) length); memcpy(eqos->tx_dma_buf, packet, length); - eqos_flush_buffer(eqos->tx_dma_buf, length); + eqos->config->ops->eqos_flush_buffer(eqos->tx_dma_buf, length); tx_desc = &(eqos->tx_descs[eqos->tx_desc_idx]); eqos->tx_desc_idx++; @@ -1203,12 +1369,12 @@ int eqos_send(struct udevice *dev, void *packet, int length) */ mb(); tx_desc->des3 = EQOS_DESC3_OWN | EQOS_DESC3_FD | EQOS_DESC3_LD | length; - eqos_flush_desc(tx_desc); + eqos->config->ops->eqos_flush_desc(tx_desc); writel((ulong)(tx_desc + 1), &eqos->dma_regs->ch0_txdesc_tail_pointer); for (i = 0; i < 1000000; i++) { - eqos_inval_desc(tx_desc); + eqos->config->ops->eqos_inval_desc(tx_desc); if (!(readl(&tx_desc->des3) & EQOS_DESC3_OWN)) return 0; udelay(1); @@ -1238,7 +1404,7 @@ int eqos_recv(struct udevice *dev, int flags, uchar **packetp) length = rx_desc->des3 & 0x7fff; debug("%s: *packetp=%p, length=%d\n", __func__, *packetp, length); - eqos_inval_buffer(*packetp, length); + eqos->config->ops->eqos_inval_buffer(*packetp, length); return length; } @@ -1269,7 +1435,7 @@ int eqos_free_pkt(struct udevice *dev, uchar *packet, int length) */ mb(); rx_desc->des3 |= EQOS_DESC3_OWN | EQOS_DESC3_BUF1V; - eqos_flush_desc(rx_desc); + eqos->config->ops->eqos_flush_desc(rx_desc); writel((ulong)rx_desc, &eqos->dma_regs->ch0_rxdesc_tail_pointer); @@ -1304,7 +1470,7 @@ static int eqos_probe_resources_core(struct udevice *dev) ret = -ENOMEM; goto err_free_descs; } - debug("%s: rx_dma_buf=%p\n", __func__, eqos->rx_dma_buf); + debug("%s: tx_dma_buf=%p\n", __func__, eqos->tx_dma_buf); eqos->rx_dma_buf = memalign(EQOS_BUFFER_ALIGN, EQOS_RX_BUFFER_SIZE); if (!eqos->rx_dma_buf) { @@ -1312,7 +1478,7 @@ static int eqos_probe_resources_core(struct udevice *dev) ret = -ENOMEM; goto err_free_tx_dma_buf; } - debug("%s: tx_dma_buf=%p\n", __func__, eqos->tx_dma_buf); + debug("%s: rx_dma_buf=%p\n", __func__, eqos->rx_dma_buf); eqos->rx_pkt = malloc(EQOS_MAX_PACKET_SIZE); if (!eqos->rx_pkt) { @@ -1424,6 +1590,98 @@ err_free_reset_eqos: return ret; } +/* board-specific Ethernet Interface initializations. */ +__weak int board_interface_eth_init(int interface_type, bool eth_clk_sel_reg, + bool eth_ref_clk_sel_reg) +{ + return 0; +} + +static int eqos_probe_resources_stm32(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + int ret; + phy_interface_t interface; + bool eth_clk_sel_reg = false; + bool eth_ref_clk_sel_reg = false; + + debug("%s(dev=%p):\n", __func__, dev); + + interface = eqos->config->interface(dev); + + if (interface == PHY_INTERFACE_MODE_NONE) { + pr_err("Invalid PHY interface\n"); + return -EINVAL; + } + + /* Gigabit Ethernet 125MHz clock selection. */ + eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel"); + + /* Ethernet 50Mhz RMII clock selection */ + eth_ref_clk_sel_reg = + dev_read_bool(dev, "st,eth_ref_clk_sel"); + + ret = board_interface_eth_init(interface, eth_clk_sel_reg, + eth_ref_clk_sel_reg); + if (ret) + return -EINVAL; + + ret = clk_get_by_name(dev, "stmmaceth", &eqos->clk_master_bus); + if (ret) { + pr_err("clk_get_by_name(master_bus) failed: %d", ret); + goto err_probe; + } + + ret = clk_get_by_name(dev, "mac-clk-rx", &eqos->clk_rx); + if (ret) { + pr_err("clk_get_by_name(rx) failed: %d", ret); + goto err_free_clk_master_bus; + } + + ret = clk_get_by_name(dev, "mac-clk-tx", &eqos->clk_tx); + if (ret) { + pr_err("clk_get_by_name(tx) failed: %d", ret); + goto err_free_clk_rx; + } + + /* Get ETH_CLK clocks (optional) */ + ret = clk_get_by_name(dev, "eth-ck", &eqos->clk_ck); + if (ret) + pr_warn("No phy clock provided %d", ret); + + debug("%s: OK\n", __func__); + return 0; + +err_free_clk_rx: + clk_free(&eqos->clk_rx); +err_free_clk_master_bus: + clk_free(&eqos->clk_master_bus); +err_probe: + + debug("%s: returns %d\n", __func__, ret); + return ret; +} + +static phy_interface_t eqos_get_interface_stm32(struct udevice *dev) +{ + const char *phy_mode; + phy_interface_t interface = PHY_INTERFACE_MODE_NONE; + + debug("%s(dev=%p):\n", __func__, dev); + + phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode", + NULL); + if (phy_mode) + interface = phy_get_interface_by_name(phy_mode); + + return interface; +} + +static phy_interface_t eqos_get_interface_tegra186(struct udevice *dev) +{ + return PHY_INTERFACE_MODE_MII; +} + static int eqos_remove_resources_tegra186(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -1442,6 +1700,22 @@ static int eqos_remove_resources_tegra186(struct udevice *dev) return 0; } +static int eqos_remove_resources_stm32(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + + debug("%s(dev=%p):\n", __func__, dev); + + clk_free(&eqos->clk_tx); + clk_free(&eqos->clk_rx); + clk_free(&eqos->clk_master_bus); + if (clk_valid(&eqos->clk_ck)) + clk_free(&eqos->clk_ck); + + debug("%s: OK\n", __func__); + return 0; +} + static int eqos_probe(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -1468,15 +1742,16 @@ static int eqos_probe(struct udevice *dev) return ret; } - ret = eqos_probe_resources_tegra186(dev); + ret = eqos->config->ops->eqos_probe_resources(dev); if (ret < 0) { - pr_err("eqos_probe_resources_tegra186() failed: %d", ret); + pr_err("eqos_probe_resources() failed: %d", ret); goto err_remove_resources_core; } eqos->mii = mdio_alloc(); if (!eqos->mii) { pr_err("mdio_alloc() failed"); + ret = -ENOMEM; goto err_remove_resources_tegra; } eqos->mii->read = eqos_mdio_read; @@ -1496,7 +1771,7 @@ static int eqos_probe(struct udevice *dev) err_free_mdio: mdio_free(eqos->mii); err_remove_resources_tegra: - eqos_remove_resources_tegra186(dev); + eqos->config->ops->eqos_remove_resources(dev); err_remove_resources_core: eqos_remove_resources_core(dev); @@ -1512,7 +1787,8 @@ static int eqos_remove(struct udevice *dev) mdio_unregister(eqos->mii); mdio_free(eqos->mii); - eqos_remove_resources_tegra186(dev); + eqos->config->ops->eqos_remove_resources(dev); + eqos_probe_resources_core(dev); debug("%s: OK\n", __func__); @@ -1528,8 +1804,58 @@ static const struct eth_ops eqos_ops = { .write_hwaddr = eqos_write_hwaddr, }; +static struct eqos_ops eqos_tegra186_ops = { + .eqos_inval_desc = eqos_inval_desc_tegra186, + .eqos_flush_desc = eqos_flush_desc_tegra186, + .eqos_inval_buffer = eqos_inval_buffer_tegra186, + .eqos_flush_buffer = eqos_flush_buffer_tegra186, + .eqos_probe_resources = eqos_probe_resources_tegra186, + .eqos_remove_resources = eqos_remove_resources_tegra186, + .eqos_stop_resets = eqos_stop_resets_tegra186, + .eqos_start_resets = eqos_start_resets_tegra186, + .eqos_stop_clks = eqos_stop_clks_tegra186, + .eqos_start_clks = eqos_start_clks_tegra186, + .eqos_calibrate_pads = eqos_calibrate_pads_tegra186, + .eqos_disable_calibration = eqos_disable_calibration_tegra186, + .eqos_set_tx_clk_speed = eqos_set_tx_clk_speed_tegra186, + .eqos_get_tick_clk_rate = eqos_get_tick_clk_rate_tegra186 +}; + static const struct eqos_config eqos_tegra186_config = { .reg_access_always_ok = false, + .mdio_wait = 10, + .swr_wait = 10, + .config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB, + .config_mac_mdio = EQOS_MAC_MDIO_ADDRESS_CR_20_35, + .interface = eqos_get_interface_tegra186, + .ops = &eqos_tegra186_ops +}; + +static struct eqos_ops eqos_stm32_ops = { + .eqos_inval_desc = eqos_inval_desc_stm32, + .eqos_flush_desc = eqos_flush_desc_stm32, + .eqos_inval_buffer = eqos_inval_buffer_stm32, + .eqos_flush_buffer = eqos_flush_buffer_stm32, + .eqos_probe_resources = eqos_probe_resources_stm32, + .eqos_remove_resources = eqos_remove_resources_stm32, + .eqos_stop_resets = eqos_stop_resets_stm32, + .eqos_start_resets = eqos_start_resets_stm32, + .eqos_stop_clks = eqos_stop_clks_stm32, + .eqos_start_clks = eqos_start_clks_stm32, + .eqos_calibrate_pads = eqos_calibrate_pads_stm32, + .eqos_disable_calibration = eqos_disable_calibration_stm32, + .eqos_set_tx_clk_speed = eqos_set_tx_clk_speed_stm32, + .eqos_get_tick_clk_rate = eqos_get_tick_clk_rate_stm32 +}; + +static const struct eqos_config eqos_stm32_config = { + .reg_access_always_ok = false, + .mdio_wait = 10000, + .swr_wait = 50, + .config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_AV, + .config_mac_mdio = EQOS_MAC_MDIO_ADDRESS_CR_250_300, + .interface = eqos_get_interface_stm32, + .ops = &eqos_stm32_ops }; static const struct udevice_id eqos_ids[] = { @@ -1537,6 +1863,11 @@ static const struct udevice_id eqos_ids[] = { .compatible = "nvidia,tegra186-eqos", .data = (ulong)&eqos_tegra186_config }, + { + .compatible = "snps,dwmac-4.20a", + .data = (ulong)&eqos_stm32_config + }, + { } }; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index eb32f082fe..04ddb32a8f 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -239,6 +239,14 @@ config STM32_QSPI used to access the SPI NOR flash chips on platforms embedding this ST IP core. +config STM32_SPI + bool "STM32 SPI driver" + depends on ARCH_STM32MP + help + Enable the STM32 Serial Peripheral Interface (SPI) driver for STM32MP + SoCs. This uses driver model and requires a device tree binding to + operate. + config TEGRA114_SPI bool "nVidia Tegra114 SPI driver" help diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 8be9a4baa2..3f9f2fab2b 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -53,6 +53,7 @@ obj-$(CONFIG_SPI_SUNXI) += spi-sunxi.o obj-$(CONFIG_SH_SPI) += sh_spi.o obj-$(CONFIG_SH_QSPI) += sh_qspi.o obj-$(CONFIG_STM32_QSPI) += stm32_qspi.o +obj-$(CONFIG_STM32_SPI) += stm32_spi.o obj-$(CONFIG_TEGRA114_SPI) += tegra114_spi.o obj-$(CONFIG_TEGRA20_SFLASH) += tegra20_sflash.o obj-$(CONFIG_TEGRA20_SLINK) += tegra20_slink.o diff --git a/drivers/spi/stm32_spi.c b/drivers/spi/stm32_spi.c new file mode 100644 index 0000000000..34b217584d --- /dev/null +++ b/drivers/spi/stm32_spi.c @@ -0,0 +1,615 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2019, STMicroelectronics - All Rights Reserved + * + * Driver for STMicroelectronics Serial peripheral interface (SPI) + */ +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <errno.h> +#include <reset.h> +#include <spi.h> + +#include <asm/io.h> +#include <asm/gpio.h> +#include <linux/bitfield.h> +#include <linux/iopoll.h> + +/* STM32 SPI registers */ +#define STM32_SPI_CR1 0x00 +#define STM32_SPI_CR2 0x04 +#define STM32_SPI_CFG1 0x08 +#define STM32_SPI_CFG2 0x0C +#define STM32_SPI_SR 0x14 +#define STM32_SPI_IFCR 0x18 +#define STM32_SPI_TXDR 0x20 +#define STM32_SPI_RXDR 0x30 +#define STM32_SPI_I2SCFGR 0x50 + +/* STM32_SPI_CR1 bit fields */ +#define SPI_CR1_SPE BIT(0) +#define SPI_CR1_MASRX BIT(8) +#define SPI_CR1_CSTART BIT(9) +#define SPI_CR1_CSUSP BIT(10) +#define SPI_CR1_HDDIR BIT(11) +#define SPI_CR1_SSI BIT(12) + +/* STM32_SPI_CR2 bit fields */ +#define SPI_CR2_TSIZE GENMASK(15, 0) + +/* STM32_SPI_CFG1 bit fields */ +#define SPI_CFG1_DSIZE GENMASK(4, 0) +#define SPI_CFG1_DSIZE_MIN 3 +#define SPI_CFG1_FTHLV_SHIFT 5 +#define SPI_CFG1_FTHLV GENMASK(8, 5) +#define SPI_CFG1_MBR_SHIFT 28 +#define SPI_CFG1_MBR GENMASK(30, 28) +#define SPI_CFG1_MBR_MIN 0 +#define SPI_CFG1_MBR_MAX FIELD_GET(SPI_CFG1_MBR, SPI_CFG1_MBR) + +/* STM32_SPI_CFG2 bit fields */ +#define SPI_CFG2_COMM_SHIFT 17 +#define SPI_CFG2_COMM GENMASK(18, 17) +#define SPI_CFG2_MASTER BIT(22) +#define SPI_CFG2_LSBFRST BIT(23) +#define SPI_CFG2_CPHA BIT(24) +#define SPI_CFG2_CPOL BIT(25) +#define SPI_CFG2_SSM BIT(26) +#define SPI_CFG2_AFCNTR BIT(31) + +/* STM32_SPI_SR bit fields */ +#define SPI_SR_RXP BIT(0) +#define SPI_SR_TXP BIT(1) +#define SPI_SR_EOT BIT(3) +#define SPI_SR_TXTF BIT(4) +#define SPI_SR_OVR BIT(6) +#define SPI_SR_SUSP BIT(11) +#define SPI_SR_RXPLVL_SHIFT 13 +#define SPI_SR_RXPLVL GENMASK(14, 13) +#define SPI_SR_RXWNE BIT(15) + +/* STM32_SPI_IFCR bit fields */ +#define SPI_IFCR_ALL GENMASK(11, 3) + +/* STM32_SPI_I2SCFGR bit fields */ +#define SPI_I2SCFGR_I2SMOD BIT(0) + +#define MAX_CS_COUNT 4 + +/* SPI Master Baud Rate min/max divisor */ +#define STM32_MBR_DIV_MIN (2 << SPI_CFG1_MBR_MIN) +#define STM32_MBR_DIV_MAX (2 << SPI_CFG1_MBR_MAX) + +#define STM32_SPI_TIMEOUT_US 100000 + +/* SPI Communication mode */ +#define SPI_FULL_DUPLEX 0 +#define SPI_SIMPLEX_TX 1 +#define SPI_SIMPLEX_RX 2 +#define SPI_HALF_DUPLEX 3 + +struct stm32_spi_priv { + void __iomem *base; + struct clk clk; + struct reset_ctl rst_ctl; + struct gpio_desc cs_gpios[MAX_CS_COUNT]; + ulong bus_clk_rate; + unsigned int fifo_size; + unsigned int cur_bpw; + unsigned int cur_hz; + unsigned int cur_xferlen; /* current transfer length in bytes */ + int tx_len; /* number of data to be written in bytes */ + int rx_len; /* number of data to be read in bytes */ + const void *tx_buf; /* data to be written, or NULL */ + void *rx_buf; /* data to be read, or NULL */ + u32 cur_mode; + bool cs_high; +}; + +static void stm32_spi_write_txfifo(struct stm32_spi_priv *priv) +{ + while ((priv->tx_len > 0) && + (readl(priv->base + STM32_SPI_SR) & SPI_SR_TXP)) { + u32 offs = priv->cur_xferlen - priv->tx_len; + + if (priv->tx_len >= sizeof(u32) && + IS_ALIGNED((uintptr_t)(priv->tx_buf + offs), sizeof(u32))) { + const u32 *tx_buf32 = (const u32 *)(priv->tx_buf + offs); + + writel(*tx_buf32, priv->base + STM32_SPI_TXDR); + priv->tx_len -= sizeof(u32); + } else if (priv->tx_len >= sizeof(u16) && + IS_ALIGNED((uintptr_t)(priv->tx_buf + offs), sizeof(u16))) { + const u16 *tx_buf16 = (const u16 *)(priv->tx_buf + offs); + + writew(*tx_buf16, priv->base + STM32_SPI_TXDR); + priv->tx_len -= sizeof(u16); + } else { + const u8 *tx_buf8 = (const u8 *)(priv->tx_buf + offs); + + writeb(*tx_buf8, priv->base + STM32_SPI_TXDR); + priv->tx_len -= sizeof(u8); + } + } + + debug("%s: %d bytes left\n", __func__, priv->tx_len); +} + +static void stm32_spi_read_rxfifo(struct stm32_spi_priv *priv) +{ + u32 sr = readl(priv->base + STM32_SPI_SR); + u32 rxplvl = (sr & SPI_SR_RXPLVL) >> SPI_SR_RXPLVL_SHIFT; + + while ((priv->rx_len > 0) && + ((sr & SPI_SR_RXP) || + ((sr & SPI_SR_EOT) && ((sr & SPI_SR_RXWNE) || (rxplvl > 0))))) { + u32 offs = priv->cur_xferlen - priv->rx_len; + + if (IS_ALIGNED((uintptr_t)(priv->rx_buf + offs), sizeof(u32)) && + (priv->rx_len >= sizeof(u32) || (sr & SPI_SR_RXWNE))) { + u32 *rx_buf32 = (u32 *)(priv->rx_buf + offs); + + *rx_buf32 = readl(priv->base + STM32_SPI_RXDR); + priv->rx_len -= sizeof(u32); + } else if (IS_ALIGNED((uintptr_t)(priv->rx_buf + offs), sizeof(u16)) && + (priv->rx_len >= sizeof(u16) || + (!(sr & SPI_SR_RXWNE) && + (rxplvl >= 2 || priv->cur_bpw > 8)))) { + u16 *rx_buf16 = (u16 *)(priv->rx_buf + offs); + + *rx_buf16 = readw(priv->base + STM32_SPI_RXDR); + priv->rx_len -= sizeof(u16); + } else { + u8 *rx_buf8 = (u8 *)(priv->rx_buf + offs); + + *rx_buf8 = readb(priv->base + STM32_SPI_RXDR); + priv->rx_len -= sizeof(u8); + } + + sr = readl(priv->base + STM32_SPI_SR); + rxplvl = (sr & SPI_SR_RXPLVL) >> SPI_SR_RXPLVL_SHIFT; + } + + debug("%s: %d bytes left\n", __func__, priv->rx_len); +} + +static int stm32_spi_enable(struct stm32_spi_priv *priv) +{ + debug("%s\n", __func__); + + /* Enable the SPI hardware */ + setbits_le32(priv->base + STM32_SPI_CR1, SPI_CR1_SPE); + + return 0; +} + +static int stm32_spi_disable(struct stm32_spi_priv *priv) +{ + debug("%s\n", __func__); + + /* Disable the SPI hardware */ + clrbits_le32(priv->base + STM32_SPI_CR1, SPI_CR1_SPE); + + return 0; +} + +static int stm32_spi_claim_bus(struct udevice *slave) +{ + struct udevice *bus = dev_get_parent(slave); + struct stm32_spi_priv *priv = dev_get_priv(bus); + + debug("%s\n", __func__); + + /* Enable the SPI hardware */ + return stm32_spi_enable(priv); +} + +static int stm32_spi_release_bus(struct udevice *slave) +{ + struct udevice *bus = dev_get_parent(slave); + struct stm32_spi_priv *priv = dev_get_priv(bus); + + debug("%s\n", __func__); + + /* Disable the SPI hardware */ + return stm32_spi_disable(priv); +} + +static void stm32_spi_stopxfer(struct udevice *dev) +{ + struct stm32_spi_priv *priv = dev_get_priv(dev); + u32 cr1, sr; + int ret; + + debug("%s\n", __func__); + + cr1 = readl(priv->base + STM32_SPI_CR1); + + if (!(cr1 & SPI_CR1_SPE)) + return; + + /* Wait on EOT or suspend the flow */ + ret = readl_poll_timeout(priv->base + STM32_SPI_SR, sr, + !(sr & SPI_SR_EOT), 100000); + if (ret < 0) { + if (cr1 & SPI_CR1_CSTART) { + writel(cr1 | SPI_CR1_CSUSP, priv->base + STM32_SPI_CR1); + if (readl_poll_timeout(priv->base + STM32_SPI_SR, + sr, !(sr & SPI_SR_SUSP), + 100000) < 0) + dev_err(dev, "Suspend request timeout\n"); + } + } + + /* clear status flags */ + setbits_le32(priv->base + STM32_SPI_IFCR, SPI_IFCR_ALL); +} + +static int stm32_spi_set_cs(struct udevice *dev, unsigned int cs, bool enable) +{ + struct stm32_spi_priv *priv = dev_get_priv(dev); + + debug("%s: cs=%d enable=%d\n", __func__, cs, enable); + + if (cs >= MAX_CS_COUNT) + return -ENODEV; + + if (!dm_gpio_is_valid(&priv->cs_gpios[cs])) + return -EINVAL; + + if (priv->cs_high) + enable = !enable; + + return dm_gpio_set_value(&priv->cs_gpios[cs], enable ? 1 : 0); +} + +static int stm32_spi_set_mode(struct udevice *bus, uint mode) +{ + struct stm32_spi_priv *priv = dev_get_priv(bus); + u32 cfg2_clrb = 0, cfg2_setb = 0; + + debug("%s: mode=%d\n", __func__, mode); + + if (mode & SPI_CPOL) + cfg2_setb |= SPI_CFG2_CPOL; + else + cfg2_clrb |= SPI_CFG2_CPOL; + + if (mode & SPI_CPHA) + cfg2_setb |= SPI_CFG2_CPHA; + else + cfg2_clrb |= SPI_CFG2_CPHA; + + if (mode & SPI_LSB_FIRST) + cfg2_setb |= SPI_CFG2_LSBFRST; + else + cfg2_clrb |= SPI_CFG2_LSBFRST; + + if (cfg2_clrb || cfg2_setb) + clrsetbits_le32(priv->base + STM32_SPI_CFG2, + cfg2_clrb, cfg2_setb); + + if (mode & SPI_CS_HIGH) + priv->cs_high = true; + else + priv->cs_high = false; + return 0; +} + +static int stm32_spi_set_fthlv(struct udevice *dev, u32 xfer_len) +{ + struct stm32_spi_priv *priv = dev_get_priv(dev); + u32 fthlv, half_fifo; + + /* data packet should not exceed 1/2 of fifo space */ + half_fifo = (priv->fifo_size / 2); + + /* data_packet should not exceed transfer length */ + fthlv = (half_fifo > xfer_len) ? xfer_len : half_fifo; + + /* align packet size with data registers access */ + fthlv -= (fthlv % 4); + + if (!fthlv) + fthlv = 1; + clrsetbits_le32(priv->base + STM32_SPI_CFG1, SPI_CFG1_FTHLV, + (fthlv - 1) << SPI_CFG1_FTHLV_SHIFT); + + return 0; +} + +static int stm32_spi_set_speed(struct udevice *bus, uint hz) +{ + struct stm32_spi_priv *priv = dev_get_priv(bus); + u32 div, mbrdiv; + + debug("%s: hz=%d\n", __func__, hz); + + if (priv->cur_hz == hz) + return 0; + + div = DIV_ROUND_UP(priv->bus_clk_rate, hz); + + if (div < STM32_MBR_DIV_MIN || + div > STM32_MBR_DIV_MAX) + return -EINVAL; + + /* Determine the first power of 2 greater than or equal to div */ + if (div & (div - 1)) + mbrdiv = fls(div); + else + mbrdiv = fls(div) - 1; + + if ((mbrdiv - 1) < 0) + return -EINVAL; + + clrsetbits_le32(priv->base + STM32_SPI_CFG1, SPI_CFG1_MBR, + (mbrdiv - 1) << SPI_CFG1_MBR_SHIFT); + + priv->cur_hz = hz; + + return 0; +} + +static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) +{ + struct udevice *bus = dev_get_parent(slave); + struct dm_spi_slave_platdata *slave_plat; + struct stm32_spi_priv *priv = dev_get_priv(bus); + u32 sr; + u32 ifcr = 0; + u32 xferlen; + u32 mode; + int xfer_status = 0; + + xferlen = bitlen / 8; + + if (xferlen <= SPI_CR2_TSIZE) + writel(xferlen, priv->base + STM32_SPI_CR2); + else + return -EMSGSIZE; + + priv->tx_buf = dout; + priv->rx_buf = din; + priv->tx_len = priv->tx_buf ? bitlen / 8 : 0; + priv->rx_len = priv->rx_buf ? bitlen / 8 : 0; + + mode = SPI_FULL_DUPLEX; + if (!priv->tx_buf) + mode = SPI_SIMPLEX_RX; + else if (!priv->rx_buf) + mode = SPI_SIMPLEX_TX; + + if (priv->cur_xferlen != xferlen || priv->cur_mode != mode) { + priv->cur_mode = mode; + priv->cur_xferlen = xferlen; + + /* Disable the SPI hardware to unlock CFG1/CFG2 registers */ + stm32_spi_disable(priv); + + clrsetbits_le32(priv->base + STM32_SPI_CFG2, SPI_CFG2_COMM, + mode << SPI_CFG2_COMM_SHIFT); + + stm32_spi_set_fthlv(bus, xferlen); + + /* Enable the SPI hardware */ + stm32_spi_enable(priv); + } + + debug("%s: priv->tx_len=%d priv->rx_len=%d\n", __func__, + priv->tx_len, priv->rx_len); + + slave_plat = dev_get_parent_platdata(slave); + if (flags & SPI_XFER_BEGIN) + stm32_spi_set_cs(bus, slave_plat->cs, false); + + /* Be sure to have data in fifo before starting data transfer */ + if (priv->tx_buf) + stm32_spi_write_txfifo(priv); + + setbits_le32(priv->base + STM32_SPI_CR1, SPI_CR1_CSTART); + + while (1) { + sr = readl(priv->base + STM32_SPI_SR); + + if (sr & SPI_SR_OVR) { + dev_err(bus, "Overrun: RX data lost\n"); + xfer_status = -EIO; + break; + } + + if (sr & SPI_SR_SUSP) { + dev_warn(bus, "System too slow is limiting data throughput\n"); + + if (priv->rx_buf && priv->rx_len > 0) + stm32_spi_read_rxfifo(priv); + + ifcr |= SPI_SR_SUSP; + } + + if (sr & SPI_SR_TXTF) + ifcr |= SPI_SR_TXTF; + + if (sr & SPI_SR_TXP) + if (priv->tx_buf && priv->tx_len > 0) + stm32_spi_write_txfifo(priv); + + if (sr & SPI_SR_RXP) + if (priv->rx_buf && priv->rx_len > 0) + stm32_spi_read_rxfifo(priv); + + if (sr & SPI_SR_EOT) { + if (priv->rx_buf && priv->rx_len > 0) + stm32_spi_read_rxfifo(priv); + break; + } + + writel(ifcr, priv->base + STM32_SPI_IFCR); + } + + /* clear status flags */ + setbits_le32(priv->base + STM32_SPI_IFCR, SPI_IFCR_ALL); + stm32_spi_stopxfer(bus); + + if (flags & SPI_XFER_END) + stm32_spi_set_cs(bus, slave_plat->cs, true); + + return xfer_status; +} + +static int stm32_spi_get_fifo_size(struct udevice *dev) +{ + struct stm32_spi_priv *priv = dev_get_priv(dev); + u32 count = 0; + + stm32_spi_enable(priv); + + while (readl(priv->base + STM32_SPI_SR) & SPI_SR_TXP) + writeb(++count, priv->base + STM32_SPI_TXDR); + + stm32_spi_disable(priv); + + debug("%s %d x 8-bit fifo size\n", __func__, count); + + return count; +} + +static int stm32_spi_probe(struct udevice *dev) +{ + struct stm32_spi_priv *priv = dev_get_priv(dev); + unsigned long clk_rate; + int ret; + int i; + + priv->base = dev_remap_addr(dev); + if (!priv->base) + return -EINVAL; + + /* enable clock */ + ret = clk_get_by_index(dev, 0, &priv->clk); + if (ret < 0) + return ret; + + ret = clk_enable(&priv->clk); + if (ret < 0) + return ret; + + clk_rate = clk_get_rate(&priv->clk); + if (!clk_rate) { + ret = -EINVAL; + goto clk_err; + } + + priv->bus_clk_rate = clk_rate; + + /* perform reset */ + ret = reset_get_by_index(dev, 0, &priv->rst_ctl); + if (ret < 0) + goto clk_err; + + reset_assert(&priv->rst_ctl); + udelay(2); + reset_deassert(&priv->rst_ctl); + + ret = gpio_request_list_by_name(dev, "cs-gpios", priv->cs_gpios, + ARRAY_SIZE(priv->cs_gpios), 0); + if (ret < 0) { + pr_err("Can't get %s cs gpios: %d", dev->name, ret); + goto reset_err; + } + + priv->fifo_size = stm32_spi_get_fifo_size(dev); + + priv->cur_mode = SPI_FULL_DUPLEX; + priv->cur_xferlen = 0; + priv->cur_bpw = SPI_DEFAULT_WORDLEN; + clrsetbits_le32(priv->base + STM32_SPI_CFG1, SPI_CFG1_DSIZE, + priv->cur_bpw - 1); + + for (i = 0; i < ARRAY_SIZE(priv->cs_gpios); i++) { + if (!dm_gpio_is_valid(&priv->cs_gpios[i])) + continue; + + dm_gpio_set_dir_flags(&priv->cs_gpios[i], + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + } + + /* Ensure I2SMOD bit is kept cleared */ + clrbits_le32(priv->base + STM32_SPI_I2SCFGR, SPI_I2SCFGR_I2SMOD); + + /* + * - SS input value high + * - transmitter half duplex direction + * - automatic communication suspend when RX-Fifo is full + */ + setbits_le32(priv->base + STM32_SPI_CR1, + SPI_CR1_SSI | SPI_CR1_HDDIR | SPI_CR1_MASRX); + + /* + * - Set the master mode (default Motorola mode) + * - Consider 1 master/n slaves configuration and + * SS input value is determined by the SSI bit + * - keep control of all associated GPIOs + */ + setbits_le32(priv->base + STM32_SPI_CFG2, + SPI_CFG2_MASTER | SPI_CFG2_SSM | SPI_CFG2_AFCNTR); + + return 0; + +reset_err: + reset_free(&priv->rst_ctl); + +clk_err: + clk_disable(&priv->clk); + clk_free(&priv->clk); + + return ret; +}; + +static int stm32_spi_remove(struct udevice *dev) +{ + struct stm32_spi_priv *priv = dev_get_priv(dev); + int ret; + + stm32_spi_stopxfer(dev); + stm32_spi_disable(priv); + + ret = reset_assert(&priv->rst_ctl); + if (ret < 0) + return ret; + + reset_free(&priv->rst_ctl); + + ret = clk_disable(&priv->clk); + if (ret < 0) + return ret; + + clk_free(&priv->clk); + + return ret; +}; + +static const struct dm_spi_ops stm32_spi_ops = { + .claim_bus = stm32_spi_claim_bus, + .release_bus = stm32_spi_release_bus, + .set_mode = stm32_spi_set_mode, + .set_speed = stm32_spi_set_speed, + .xfer = stm32_spi_xfer, +}; + +static const struct udevice_id stm32_spi_ids[] = { + { .compatible = "st,stm32h7-spi", }, + { } +}; + +U_BOOT_DRIVER(stm32_spi) = { + .name = "stm32_spi", + .id = UCLASS_SPI, + .of_match = stm32_spi_ids, + .ops = &stm32_spi_ops, + .priv_auto_alloc_size = sizeof(struct stm32_spi_priv), + .probe = stm32_spi_probe, + .remove = stm32_spi_remove, +}; diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index b01dbc446d..dbafb74a34 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -26,6 +26,13 @@ config BCM2835_WDT This provides basic infrastructure to support BCM2835/2836 watchdog hardware, with a max timeout of ~15secs. +config IMX_WATCHDOG + bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" + select HW_WATCHDOG + help + Select this to enable the IMX and LSCH2 of Layerscape watchdog + driver. + config OMAP_WATCHDOG bool "TI OMAP watchdog driver" depends on ARCH_OMAP2PLUS @@ -59,14 +66,6 @@ config WDT What exactly happens when the timer expires is up to a particular device/driver. -config WDT_SANDBOX - bool "Enable Watchdog Timer support for Sandbox" - depends on SANDBOX && WDT - help - Enable Watchdog Timer support in Sandbox. This is a dummy device that - can be probed and supports all of the methods of WDT, but does not - really do anything. - config WDT_ARMADA_37XX bool "Marvell Armada 37xx watchdog timer support" depends on WDT && ARMADA_3700 @@ -87,6 +86,13 @@ config WDT_ASPEED It currently does not support Boot Flash Addressing Mode Detection or Second Boot. +config WDT_AT91 + bool "AT91 watchdog timer support" + depends on WDT + help + Select this to enable Microchip watchdog timer, which can be found on + some AT91 devices. + config WDT_BCM6345 bool "BCM6345 watchdog timer support" depends on WDT && (ARCH_BMIPS || ARCH_BCM6858 || ARCH_BCM63158) @@ -95,21 +101,6 @@ config WDT_BCM6345 The watchdog timer is stopped when initialized. It performs full SoC reset. -config WDT_ORION - bool "Orion watchdog timer support" - depends on WDT - select CLK - help - Select this to enable Orion watchdog timer, which can be found on some - Marvell Armada chips. - -config WDT_SP805 - bool "SP805 watchdog timer support" - depends on WDT - help - Select this to enable SP805 watchdog timer, which can be found on some - nxp layerscape chips. - config WDT_CDNS bool "Cadence watchdog timer support" depends on WDT @@ -118,6 +109,20 @@ config WDT_CDNS Select this to enable Cadence watchdog timer, which can be found on some Xilinx Microzed Platform. +config WDT_MPC8xx + bool "MPC8xx watchdog timer support" + depends on WDT && MPC8xx + select CONFIG_MPC8xx_WATCHDOG + help + Select this to enable mpc8xx watchdog timer + +config WDT_MT7621 + bool "MediaTek MT7621 watchdog timer support" + depends on WDT && SOC_MT7628 + help + Select this to enable Ralink / Mediatek watchdog timer, + which can be found on some MediaTek chips. + config WDT_MTK bool "MediaTek watchdog timer support" depends on WDT && ARCH_MEDIATEK @@ -126,39 +131,43 @@ config WDT_MTK The watchdog timer is stopped when initialized. It performs full SoC reset. -config XILINX_TB_WATCHDOG - bool "Xilinx Axi watchdog timer support" +config WDT_ORION + bool "Orion watchdog timer support" depends on WDT - imply WATCHDOG + select CLK help - Select this to enable Xilinx Axi watchdog timer, which can be found on some - Xilinx Microblaze Platforms. + Select this to enable Orion watchdog timer, which can be found on some + Marvell Armada chips. -config IMX_WATCHDOG - bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP" - select HW_WATCHDOG +config WDT_SANDBOX + bool "Enable Watchdog Timer support for Sandbox" + depends on SANDBOX && WDT help - Select this to enable the IMX and LSCH2 of Layerscape watchdog - driver. + Enable Watchdog Timer support in Sandbox. This is a dummy device that + can be probed and supports all of the methods of WDT, but does not + really do anything. -config WDT_AT91 - bool "AT91 watchdog timer support" +config WDT_SP805 + bool "SP805 watchdog timer support" depends on WDT help - Select this to enable Microchip watchdog timer, which can be found on - some AT91 devices. + Select this to enable SP805 watchdog timer, which can be found on some + nxp layerscape chips. -config WDT_MT7621 - bool "MediaTek MT7621 watchdog timer support" - depends on WDT && SOC_MT7628 +config WDT_STM32MP + bool "IWDG watchdog driver for STM32 MP's family" + depends on WDT + imply WATCHDOG help - Select this to enable Ralink / Mediatek watchdog timer, - which can be found on some MediaTek chips. + Enable the STM32 watchdog (IWDG) driver. Enable support to + configure STM32's on-SoC watchdog. -config WDT_MPC8xx - bool "MPC8xx watchdog timer support" - depends on WDT && MPC8xx +config XILINX_TB_WATCHDOG + bool "Xilinx Axi watchdog timer support" + depends on WDT + imply WATCHDOG help - Select this to enable mpc8xx watchdog timer + Select this to enable Xilinx Axi watchdog timer, which can be found on some + Xilinx Microblaze Platforms. endmenu diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 6f20e73810..e3f4fdb406 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -28,3 +28,4 @@ obj-$(CONFIG_WDT_MPC8xx) += mpc8xx_wdt.o obj-$(CONFIG_WDT_MT7621) += mt7621_wdt.o obj-$(CONFIG_WDT_MTK) += mtk_wdt.o obj-$(CONFIG_WDT_SP805) += sp805_wdt.o +obj-$(CONFIG_WDT_STM32MP) += stm32mp_wdt.o diff --git a/drivers/watchdog/stm32mp_wdt.c b/drivers/watchdog/stm32mp_wdt.c new file mode 100644 index 0000000000..8093d0a9f4 --- /dev/null +++ b/drivers/watchdog/stm32mp_wdt.c @@ -0,0 +1,135 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2019, STMicroelectronics - All Rights Reserved + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <syscon.h> +#include <wdt.h> +#include <asm/io.h> +#include <linux/iopoll.h> + +/* IWDG registers */ +#define IWDG_KR 0x00 /* Key register */ +#define IWDG_PR 0x04 /* Prescaler Register */ +#define IWDG_RLR 0x08 /* ReLoad Register */ +#define IWDG_SR 0x0C /* Status Register */ + +/* IWDG_KR register bit mask */ +#define KR_KEY_RELOAD 0xAAAA /* Reload counter enable */ +#define KR_KEY_ENABLE 0xCCCC /* Peripheral enable */ +#define KR_KEY_EWA 0x5555 /* Write access enable */ + +/* IWDG_PR register bit values */ +#define PR_256 0x06 /* Prescaler set to 256 */ + +/* IWDG_RLR register values */ +#define RLR_MAX 0xFFF /* Max value supported by reload register */ + +/* IWDG_SR register bit values */ +#define SR_PVU BIT(0) /* Watchdog prescaler value update */ +#define SR_RVU BIT(1) /* Watchdog counter reload value update */ + +struct stm32mp_wdt_priv { + fdt_addr_t base; /* registers addr in physical memory */ + unsigned long wdt_clk_rate; /* Watchdog dedicated clock rate */ +}; + +static int stm32mp_wdt_reset(struct udevice *dev) +{ + struct stm32mp_wdt_priv *priv = dev_get_priv(dev); + + writel(KR_KEY_RELOAD, priv->base + IWDG_KR); + + return 0; +} + +static int stm32mp_wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) +{ + struct stm32mp_wdt_priv *priv = dev_get_priv(dev); + int reload; + u32 val; + int ret; + + /* Prescaler fixed to 256 */ + reload = timeout_ms * priv->wdt_clk_rate / 256; + if (reload > RLR_MAX + 1) + /* Force to max watchdog counter reload value */ + reload = RLR_MAX + 1; + else if (!reload) + /* Force to min watchdog counter reload value */ + reload = priv->wdt_clk_rate / 256; + + /* Set prescaler & reload registers */ + writel(KR_KEY_EWA, priv->base + IWDG_KR); + writel(PR_256, priv->base + IWDG_PR); + writel(reload - 1, priv->base + IWDG_RLR); + + /* Enable watchdog */ + writel(KR_KEY_ENABLE, priv->base + IWDG_KR); + + /* Wait for the registers to be updated */ + ret = readl_poll_timeout(priv->base + IWDG_SR, val, + val & (SR_PVU | SR_RVU), CONFIG_SYS_HZ); + + if (ret < 0) { + pr_err("Updating IWDG registers timeout"); + return -ETIMEDOUT; + } + + return 0; +} + +static int stm32mp_wdt_probe(struct udevice *dev) +{ + struct stm32mp_wdt_priv *priv = dev_get_priv(dev); + struct clk clk; + int ret; + + debug("IWDG init\n"); + + priv->base = devfdt_get_addr(dev); + if (priv->base == FDT_ADDR_T_NONE) + return -EINVAL; + + /* Enable clock */ + ret = clk_get_by_name(dev, "pclk", &clk); + if (ret) + return ret; + + ret = clk_enable(&clk); + if (ret) + return ret; + + /* Get LSI clock */ + ret = clk_get_by_name(dev, "lsi", &clk); + if (ret) + return ret; + + priv->wdt_clk_rate = clk_get_rate(&clk); + + debug("IWDG init done\n"); + + return 0; +} + +static const struct wdt_ops stm32mp_wdt_ops = { + .start = stm32mp_wdt_start, + .reset = stm32mp_wdt_reset, +}; + +static const struct udevice_id stm32mp_wdt_match[] = { + { .compatible = "st,stm32mp1-iwdg" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(stm32mp_wdt) = { + .name = "stm32mp-wdt", + .id = UCLASS_WDT, + .of_match = stm32mp_wdt_match, + .priv_auto_alloc_size = sizeof(struct stm32mp_wdt_priv), + .probe = stm32mp_wdt_probe, + .ops = &stm32mp_wdt_ops, +}; diff --git a/env/Kconfig b/env/Kconfig index 1e10c7a4c4..5651685c15 100644 --- a/env/Kconfig +++ b/env/Kconfig @@ -2,18 +2,12 @@ menu "Environment" config ENV_IS_NOWHERE bool "Environment is not stored" - depends on !ENV_IS_IN_EEPROM - depends on !ENV_IS_IN_EXT4 - depends on !ENV_IS_IN_FAT - depends on !ENV_IS_IN_FLASH - depends on !ENV_IS_IN_MMC - depends on !ENV_IS_IN_NAND - depends on !ENV_IS_IN_NVRAM - depends on !ENV_IS_IN_ONENAND - depends on !ENV_IS_IN_REMOTE - depends on !ENV_IS_IN_SPI_FLASH - depends on !ENV_IS_IN_UBI - default y + default y if !ENV_IS_IN_EEPROM && !ENV_IS_IN_EXT4 && \ + !ENV_IS_IN_FAT && !ENV_IS_IN_FLASH && \ + !ENV_IS_IN_MMC && !ENV_IS_IN_NAND && \ + !ENV_IS_IN_NVRAM && !ENV_IS_IN_ONENAND && \ + !ENV_IS_IN_REMOTE && !ENV_IS_IN_SPI_FLASH && \ + !ENV_IS_IN_UBI help Define this if you don't want to or can't have an environment stored on a storage medium. In this case the environment will still exist diff --git a/env/ext4.c b/env/ext4.c index 388474a11c..9947381bfd 100644 --- a/env/ext4.c +++ b/env/ext4.c @@ -30,6 +30,16 @@ #include <ext4fs.h> #include <mmc.h> +__weak const char *env_ext4_get_intf(void) +{ + return (const char *)CONFIG_ENV_EXT4_INTERFACE; +} + +__weak const char *env_ext4_get_dev_part(void) +{ + return (const char *)CONFIG_ENV_EXT4_DEVICE_AND_PART; +} + #ifdef CONFIG_CMD_SAVEENV static int env_ext4_save(void) { @@ -38,13 +48,14 @@ static int env_ext4_save(void) disk_partition_t info; int dev, part; int err; + const char *ifname = env_ext4_get_intf(); + const char *dev_and_part = env_ext4_get_dev_part(); err = env_export(&env_new); if (err) return err; - part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART, + part = blk_get_device_part_str(ifname, dev_and_part, &dev_desc, &info, 1); if (part < 0) return 1; @@ -54,8 +65,7 @@ static int env_ext4_save(void) if (!ext4fs_mount(info.size)) { printf("\n** Unable to use %s %s for saveenv **\n", - CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART); + ifname, dev_and_part); return 1; } @@ -65,8 +75,7 @@ static int env_ext4_save(void) if (err == -1) { printf("\n** Unable to write \"%s\" from %s%d:%d **\n", - CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev, - part); + CONFIG_ENV_EXT4_FILE, ifname, dev, part); return 1; } @@ -83,14 +92,15 @@ static int env_ext4_load(void) int dev, part; int err; loff_t off; + const char *ifname = env_ext4_get_intf(); + const char *dev_and_part = env_ext4_get_dev_part(); #ifdef CONFIG_MMC - if (!strcmp(CONFIG_ENV_EXT4_INTERFACE, "mmc")) + if (!strcmp(ifname, "mmc")) mmc_initialize(NULL); #endif - part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART, + part = blk_get_device_part_str(ifname, dev_and_part, &dev_desc, &info, 1); if (part < 0) goto err_env_relocate; @@ -100,8 +110,7 @@ static int env_ext4_load(void) if (!ext4fs_mount(info.size)) { printf("\n** Unable to use %s %s for loading the env **\n", - CONFIG_ENV_EXT4_INTERFACE, - CONFIG_ENV_EXT4_DEVICE_AND_PART); + ifname, dev_and_part); goto err_env_relocate; } @@ -111,8 +120,7 @@ static int env_ext4_load(void) if (err == -1) { printf("\n** Unable to read \"%s\" from %s%d:%d **\n", - CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev, - part); + CONFIG_ENV_EXT4_FILE, ifname, dev, part); goto err_env_relocate; } diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h index e8be51a155..1d385e0985 100644 --- a/include/configs/stm32mp1.h +++ b/include/configs/stm32mp1.h @@ -38,6 +38,15 @@ */ #define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE +#if defined(CONFIG_ENV_IS_IN_UBI) +#define CONFIG_ENV_UBI_VOLUME_REDUND "uboot_config_r" +#endif + +#if defined(CONFIG_ENV_IS_IN_SPI_FLASH) +#define CONFIG_ENV_SECT_SIZE SZ_256K +#define CONFIG_ENV_OFFSET 0x00280000 +#endif + /* ATAGs */ #define CONFIG_CMDLINE_TAG #define CONFIG_SETUP_MEMORY_TAGS @@ -68,16 +77,29 @@ /*MMC SD*/ #define CONFIG_SYS_MMC_MAX_DEVICE 3 +/* Ethernet need */ +#ifdef CONFIG_DWC_ETH_QOS +#define CONFIG_SYS_NONCACHED_MEMORY (1 * SZ_1M) /* 1M */ +#define CONFIG_SERVERIP 192.168.1.1 +#define CONFIG_BOOTP_SERVERIP +#define CONFIG_SYS_AUTOLOAD "no" +#endif + /*****************************************************************************/ #ifdef CONFIG_DISTRO_DEFAULTS /*****************************************************************************/ #if !defined(CONFIG_SPL_BUILD) +/* NAND support */ +#define CONFIG_SYS_NAND_ONFI_DETECTION +#define CONFIG_SYS_MAX_NAND_DEVICE 1 #define BOOT_TARGET_DEVICES(func) \ func(MMC, mmc, 1) \ func(MMC, mmc, 0) \ - func(MMC, mmc, 2) + func(MMC, mmc, 2) \ + func(PXE, pxe, na) + /* * bootcmd for stm32mp1: * for serial/usb: execute the stm32prog command @@ -99,6 +121,14 @@ #include <config_distro_bootcmd.h> +#if defined(CONFIG_STM32_QSPI) || defined(CONFIG_NAND_STM32_FMC) +#define CONFIG_SYS_MTDPARTS_RUNTIME +#endif + +#define STM32MP_MTDPARTS \ + "mtdparts_nor0=256k(fsbl1),256k(fsbl2),2m(ssbl),256k(u-boot-env),-(nor_user)\0" \ + "mtdparts_nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),-(UBI)\0" + /* * memory layout for 32M uncompressed/compressed kernel, * 1M fdt, 1M script, 1M pxe and 1M for splashimage @@ -114,6 +144,7 @@ "fdt_high=0xffffffff\0" \ "initrd_high=0xffffffff\0" \ STM32MP_BOOTCMD \ + STM32MP_MTDPARTS \ BOOTENV #endif /* ifndef CONFIG_SPL_BUILD */ |