[PATCH] arm: Add AM335x based CBC board
Lukasz Majewski
lukma at denx.de
Thu Mar 3 10:27:10 CET 2022
Hi Tom,
> This commit adds CBC board to U-Boot.
>
> U-Boot 2022.04-rc1-00271-g930634a4c9 (Feb 21 2022 - 15:08:13 +0100)
>
> CPU : AM335X-GP rev 2.1
> Model: AM335x Bosch CBC
> DRAM: 512 MiB
> Core: 198 devices, 14 uclasses, devicetree: separate
> MMC: OMAP SD/MMC: 2, OMAP SD/MMC: 0, OMAP SD/MMC: 1
> Loading Environment from MMC... OK
> Boot Device is eMMC
> CBC Variant found: BCT531
> Net: eth2: ethernet at 4a100000
> Hit any key to stop autoboot: 0
>
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
>
> ---
>
> arch/arm/Kconfig | 1 +
> arch/arm/dts/Makefile | 1 +
> arch/arm/dts/am335x-cbc-u-boot.dtsi | 18 ++
> arch/arm/dts/am335x-cbc.dts | 309 ++++++++++++++++++++
> arch/arm/dts/am335x-cbc.dtsi | 136 +++++++++
> arch/arm/mach-omap2/am33xx/Kconfig | 8 +
> board/bosch/cbc/Kconfig | 15 +
> board/bosch/cbc/MAINTAINERS | 6 +
> board/bosch/cbc/Makefile | 9 +
> board/bosch/cbc/README | 17 ++
> board/bosch/cbc/board.c | 437
> ++++++++++++++++++++++++++++ board/bosch/cbc/board.h |
> 71 +++++ board/bosch/cbc/mux.c | 171 +++++++++++
> configs/am335x_cbc_defconfig | 81 ++++++
> include/configs/am335x_cbc.h | 84 ++++++
> 15 files changed, 1364 insertions(+)
> create mode 100644 arch/arm/dts/am335x-cbc-u-boot.dtsi
> create mode 100644 arch/arm/dts/am335x-cbc.dts
> create mode 100644 arch/arm/dts/am335x-cbc.dtsi
> create mode 100644 board/bosch/cbc/Kconfig
> create mode 100644 board/bosch/cbc/MAINTAINERS
> create mode 100644 board/bosch/cbc/Makefile
> create mode 100644 board/bosch/cbc/README
> create mode 100644 board/bosch/cbc/board.c
> create mode 100644 board/bosch/cbc/board.h
> create mode 100644 board/bosch/cbc/mux.c
> create mode 100644 configs/am335x_cbc_defconfig
> create mode 100644 include/configs/am335x_cbc.h
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 9a62b55786..4c6ab18e7c 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -2194,6 +2194,7 @@ source "arch/arm/mach-nexell/Kconfig"
>
> source "board/armltd/total_compute/Kconfig"
>
> +source "board/bosch/cbc/Kconfig"
> source "board/bosch/shc/Kconfig"
> source "board/bosch/guardian/Kconfig"
> source "board/Marvell/octeontx/Kconfig"
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 5a5706918a..a5f31f0b45 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -378,6 +378,7 @@ dtb-$(CONFIG_AM33XX) += \
> am335x-brppt1-spi.dtb \
> am335x-brxre1.dtb \
> am335x-brsmarc1.dtb \
> + am335x-cbc.dtb \
> am335x-draco.dtb \
> am335x-evm.dtb \
> am335x-evmsk.dtb \
> diff --git a/arch/arm/dts/am335x-cbc-u-boot.dtsi
> b/arch/arm/dts/am335x-cbc-u-boot.dtsi new file mode 100644
> index 0000000000..1d33b45acd
> --- /dev/null
> +++ b/arch/arm/dts/am335x-cbc-u-boot.dtsi
> @@ -0,0 +1,18 @@
> +// SPDX-License-Identifier: GPL-2.0+ or X11
> +/*
> + * Copyright 2022
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +#include "am33xx-u-boot.dtsi"
> +
> +/ {
> + chosen {
> + stdout-path = &uart0;
> + tick-timer = &timer2;
> + };
> +};
> +
> +&uart0 {
> + u-boot,dm-pre-reloc;
> +};
> diff --git a/arch/arm/dts/am335x-cbc.dts b/arch/arm/dts/am335x-cbc.dts
> new file mode 100644
> index 0000000000..15ce0475ee
> --- /dev/null
> +++ b/arch/arm/dts/am335x-cbc.dts
> @@ -0,0 +1,309 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2022
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +/dts-v1/;
> +#include "am335x-cbc.dtsi"
> +
> +/ {
> + model = "AM335x Bosch CBC";
> + compatible = "bosch,am335x-cbc", "ti,am33xx";
> +
> + gpio_keys {
> + compatible = "gpio-keys";
> + pinctrl-names = "default";
> + pinctrl-0 = <&keys_gpio_pins>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + key at 1 {
> + label = "Hand";
> + linux,code = <0x100>;
> + gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
> + debounce-interval = <20>;
> + };
> + key at 2 {
> + label = "Reset";
> + linux,code = <0x101>;
> + gpios = <&gpio1 24 GPIO_ACTIVE_LOW>;
> + debounce-interval = <20>;
> + };
> + key at 3 {
> + label = "Service";
> + linux,code = <0x102>;
> + gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
> + debounce-interval = <20>;
> + };
> + key at 4 {
> + label = "B1";
> + gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
> + debounce-interval = <20>;
> + };
> + key at 5 {
> + label = "B2";
> + gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
> + debounce-interval = <20>;
> + };
> + key at 6 {
> + label = "B3";
> + gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
> + debounce-interval = <20>;
> + };
> + key at 7 {
> + label = "B4";
> + gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
> + debounce-interval = <20>;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&led_gpio_pins>;
> +
> + led0 {
> + label = "red";
> + gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
> + };
> +
> + led1 {
> + label = "green";
> + gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
> + };
> +
> + led2 {
> + label = "blue";
> + gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
> + };
> + };
> +};
> +
> +&am33xx_pinmux {
> + uart0_pins: pinmux_uart0_pins {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP |
> MUX_MODE0) /* uart0_rxd.uart0_rxd */
> + AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN |
> MUX_MODE0) /* uart0_txd.uart0_txd */
> + >;
> + };
> +
> + cpsw_default: cpsw_default {
> + pinctrl-single,pins = <
> + /* Slave 1 RMII mode */
> + AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN |
> MUX_MODE1) /* mii1_crs.rmii1_crs */
> + AM33XX_IOPAD(0x910, PIN_INPUT_PULLUP |
> MUX_MODE1) /* mii1_rxerr.rmii1_rxerr */
> + AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN |
> MUX_MODE1) /* mii1_txen.rmii1_txen */
> + AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN |
> MUX_MODE1) /* mii1_txd1.rmii1_txd1 */
> + AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN |
> MUX_MODE1) /* mii1_txd0.rmii1_txd0 */
> + AM33XX_IOPAD(0x93c, PIN_INPUT_PULLUP |
> MUX_MODE1) /* mii1_rxd1.rmii1_rxd1 */
> + AM33XX_IOPAD(0x940, PIN_INPUT_PULLUP |
> MUX_MODE1) /* mii1_rxd0.rmii1_rxd0 */
> + AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN |
> MUX_MODE0) /* rmii1_ref_clk.rmii_ref_clk */
> + /* Slave 2 RMII mode */
> + AM33XX_IOPAD(0x870, (PIN_INPUT_PULLUP |
> MUX_MODE3)) /* gpmc_wait0.rmii2_crs_dv */
> + AM33XX_IOPAD(0x908, (PIN_INPUT_PULLUP |
> MUX_MODE1)) /* mii1_col.rmii2_refclk */
> + AM33XX_IOPAD(0x86c, (PIN_INPUT_PULLUP |
> MUX_MODE3)) /* gpmc_a11.rmii2_rxd0 */
> + AM33XX_IOPAD(0x868, (PIN_INPUT_PULLUP |
> MUX_MODE3)) /* gpmc_a10.rmii2_rxd1 */
> + AM33XX_IOPAD(0x874, (PIN_INPUT_PULLUP |
> MUX_MODE3)) /* gpmc_wpn.rmii2_rxerr */
> + AM33XX_IOPAD(0x854, (PIN_OUTPUT_PULLDOWN |
> MUX_MODE3)) /* gpmc_a5.rmii2_txd0 */
> + AM33XX_IOPAD(0x850, (PIN_OUTPUT_PULLDOWN |
> MUX_MODE3)) /* gpmc_a4.rmii2_txd1 */
> + AM33XX_IOPAD(0x840, (PIN_OUTPUT_PULLDOWN |
> MUX_MODE3)) /* gpmc_a0.rmii2_txen */
> + >;
> + };
> +
> + cpsw_sleep: cpsw_sleep {
> + pinctrl-single,pins = <
> + /* Slave 1 reset value */
> + AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN |
> MUX_MODE7) +
> + /* Slave 2 reset value */
> + AM33XX_IOPAD(0x870, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + AM33XX_IOPAD(0x908, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + AM33XX_IOPAD(0x86c, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + AM33XX_IOPAD(0x868, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + AM33XX_IOPAD(0x874, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + AM33XX_IOPAD(0x854, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + AM33XX_IOPAD(0x850, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + AM33XX_IOPAD(0x840, (PIN_INPUT_PULLDOWN |
> MUX_MODE7))
> + >;
> + };
> +
> + davinci_mdio_default: davinci_mdio_default {
> + pinctrl-single,pins = <
> + /* mdio_data.mdio_data */
> + AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP |
> SLEWCTRL_FAST | MUX_MODE0)
> + /* mdio_clk.mdio_clk */
> + AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP |
> MUX_MODE0)
> + >;
> + };
> +
> + davinci_mdio_sleep: davinci_mdio_sleep {
> + pinctrl-single,pins = <
> + /* MDIO reset value */
> + AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN |
> MUX_MODE7)
> + >;
> + };
> +
> + emmc_pins: pinmux_emmc_pins {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x880, PIN_INPUT | MUX_MODE2)
> + AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP |
> MUX_MODE2)
> + AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP |
> MUX_MODE1)
> + >;
> + };
> +
> + keys_gpio_pins: pinmux_keys_gpio_pins {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x858, PIN_INPUT | MUX_MODE7)
> /* gpmc_a6.gpio1_22 */
> + AM33XX_IOPAD(0x85c, PIN_INPUT | MUX_MODE7)
> /* gpmc_a7.gpio1_23 */
> + AM33XX_IOPAD(0x860, PIN_INPUT | MUX_MODE7)
> /* gpmc_a8.gpio1_24 */
> + AM33XX_IOPAD(0x95c, PIN_INPUT | MUX_MODE7)
> /* spi0_cs0.gpio0_5 */
> + AM33XX_IOPAD(0x958, PIN_INPUT | MUX_MODE7)
> /* spi0_d1.gpio0_4 */
> + AM33XX_IOPAD(0x954, PIN_INPUT | MUX_MODE7)
> /* spi0_d0.gpio0_3 */
> + AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE7)
> /* spi0_sclk.gpio0_2 */
> + >;
> + };
> +
> + sd_pins: pinmux_sd_pins {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x878, PIN_INPUT | MUX_MODE3)
> + AM33XX_IOPAD(0x84c, PIN_INPUT | MUX_MODE3)
> + AM33XX_IOPAD(0x848, PIN_INPUT | MUX_MODE3)
> + AM33XX_IOPAD(0x844, PIN_INPUT | MUX_MODE3)
> + AM33XX_IOPAD(0x88c, PIN_INPUT | MUX_MODE3)
> + AM33XX_IOPAD(0x888, PIN_INPUT | MUX_MODE3)
> + AM33XX_IOPAD(0x998, PIN_INPUT | MUX_MODE7)
> + AM33XX_IOPAD(0x994, PIN_INPUT | MUX_MODE7)
> + >;
> + };
> +
> + usd_pins: pinmux_usd_card {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x8f0, PIN_INPUT | MUX_MODE0)
> /* mmc0_dat0.mmc0_dat0 */
> + AM33XX_IOPAD(0x8f4, PIN_INPUT | MUX_MODE0)
> /* mmc0_dat1.mmc0_dat1 */
> + AM33XX_IOPAD(0x8f8, PIN_INPUT | MUX_MODE0)
> /* mmc0_dat2.mmc0_dat2 */
> + AM33XX_IOPAD(0x8fc, PIN_INPUT | MUX_MODE0)
> /* mmc0_dat3.mmc0_dat3 */
> + AM33XX_IOPAD(0x900, PIN_INPUT | MUX_MODE0)
> /* mmc0_clk.mmc0_clk */
> + AM33XX_IOPAD(0x904, PIN_INPUT | MUX_MODE0)
> /* mmc0_cmd.mmc0_cmd */
> + AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7)
> /* spi0_cs1.gpio0_6 */
> + >;
> + };
> +
> + led_gpio_pins: pinmux_led_gpio_pins {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE7)
> /* gpmc_wen.gpio2_4 */
> + AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE7)
> /* gpmc_advn_ale.gpio2_2 */
> + AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE7)
> /* gpmc_be0n_cle.gpio2_5 */
> + >;
> + };
> +};
> +
> +&cppi41dma {
> + status = "okay";
> +};
> +
> +&cpsw_emac0 {
> + phy-handle = <ðphy0>;
> + phy-mode = "rmii";
> +};
> +
> +&cpsw_emac1 {
> + phy-handle = <ðphy1>;
> + phy-mode = "rmii";
> +};
> +
> +&davinci_mdio {
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&davinci_mdio_default>;
> + pinctrl-1 = <&davinci_mdio_sleep>;
> + status = "okay";
> +
> + ethphy0: ethernet-phy at 0 {
> + reg = <0>;
> + };
> +
> + ethphy1: ethernet-phy at 1 {
> + reg = <1>;
> + };
> +};
> +
> +&ldo4_reg {
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +};
> +
> +/* Ethernet */
> +&mac {
> + active_slave = <1>;
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&cpsw_default>;
> + pinctrl-1 = <&cpsw_sleep>;
> + status = "okay";
> +};
> +
> +/* microSD */
> +&mmc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&usd_pins>;
> + vmmc-supply = <&ldo4_reg>;
> + bus-width = <0x4>;
> + status = "okay";
> +};
> +
> +/* eMMC */
> +&mmc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&emmc_pins>;
> + vmmc-supply = <&ldo4_reg>;
> + bus-width = <0x8>;
> + non-removable;
> + status = "okay";
> +};
> +
> +/* SD card */
> +&mmc3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&sd_pins>;
> + bus-width = <0x4>;
> + wp-gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> +};
> +
> +&phy_sel {
> + rmii-clock-ext;
> +};
> +
> +&tps {
> + interrupt-parent = <&intc>;
> + interrupts = <7>; /* NNMI */
> +
> + charger {
> + status = "okay";
> + };
> +
> + pwrbutton {
> + status = "okay";
> + };
> +};
> +
> +&uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart0_pins>;
> +
> + status = "okay";
> +};
> diff --git a/arch/arm/dts/am335x-cbc.dtsi
> b/arch/arm/dts/am335x-cbc.dtsi new file mode 100644
> index 0000000000..ad24e08190
> --- /dev/null
> +++ b/arch/arm/dts/am335x-cbc.dtsi
> @@ -0,0 +1,136 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2022
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +/dts-v1/;
> +
> +#include "am33xx.dtsi"
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> + model = "Bosch AM335x CBC";
> + compatible = "bosch,am335x-cbc", "ti,am33xx";
> +
> + cpus {
> + cpu at 0 {
> + cpu0-supply = <&dcdc2_reg>;
> + };
> + };
> +
> + memory at 80000000 {
> + device_type = "memory";
> + reg = <0x80000000 0x20000000>; /* 512 MB */
> + };
> +};
> +
> +&am33xx_pinmux {
> + pinctrl-names = "default";
> +
> + i2c0_pins: pinmux_i2c0_pins {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP |
> MUX_MODE0) /* i2c0_sda.i2c0_sda */
> + AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP |
> MUX_MODE0) /* i2c0_scl.i2c0_scl */
> + >;
> + };
> +
> + i2c1_pins: pinmux_i2c1_pins {
> + pinctrl-single,pins = <
> + AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP |
> MUX_MODE3) /* uart0_ctsn.i2c1_sda */
> + AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP |
> MUX_MODE3) /* uart0_rtsn.i2c1_scl */
> + >;
> + };
> +};
> +
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c0_pins>;
> +
> + status = "okay";
> + clock-frequency = <400000>;
> +
> + tps: tps at 24 {
> + reg = <0x24>;
> + };
> +};
> +
> +&i2c1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c1_pins>;
> +
> + status = "okay";
> + clock-frequency = <100000>;
> +
> + i2c_eeprom: eeprom at 50 {
> + compatible = "atmel,24c32";
> + pagesize = <32>;
> + reg = <0x50>;
> + status = "okay";
> + };
> +};
> +
> +&rtc {
> + system-power-controller;
> +
> + pinctrl-0 = <&ext_wakeup>;
> + pinctrl-names = "default";
> +
> + ext_wakeup: ext-wakeup {
> + pins = "ext_wakeup0";
> + input-enable;
> + };
> +};
> +
> +/include/ "tps65217.dtsi"
> +
> +&tps {
> + regulators {
> + dcdc1_reg: regulator at 0 {
> + regulator-name = "vdds_dpr";
> + regulator-always-on;
> + };
> +
> + dcdc2_reg: regulator at 1 {
> + /* VDD_MPU voltage limits 0.95V - 1.26V with
> +/-4% tolerance */
> + regulator-name = "vdd_mpu";
> + regulator-min-microvolt = <925000>;
> + regulator-max-microvolt = <1325000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + dcdc3_reg: regulator at 2 {
> + /* VDD_CORE voltage limits 0.95V - 1.1V with
> +/-4% tolerance */
> + regulator-name = "vdd_core";
> + regulator-min-microvolt = <925000>;
> + regulator-max-microvolt = <1150000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo1_reg: regulator at 3 {
> + regulator-name = "vio,vrtc,vdds";
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo2_reg: regulator at 4 {
> + regulator-name = "vdd_3v3aux";
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo3_reg: regulator at 5 {
> + regulator-name = "vdd_1v8";
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo4_reg: regulator at 6 {
> + regulator-name = "vdd_3v3d";
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> +};
> diff --git a/arch/arm/mach-omap2/am33xx/Kconfig
> b/arch/arm/mach-omap2/am33xx/Kconfig index 1402376915..45cb8ff6d2
> 100644 --- a/arch/arm/mach-omap2/am33xx/Kconfig
> +++ b/arch/arm/mach-omap2/am33xx/Kconfig
> @@ -71,6 +71,14 @@ config TARGET_AM335X_BALTOS
> select DM_SERIAL
> imply CMD_DM
>
> +config TARGET_AM335X_CBC
> + bool "Support am335x based cbc board from bosch"
> + select BOARD_LATE_INIT
> + select DM
> + select DM_GPIO
> + select DM_SERIAL
> + imply CMD_DM
> +
> config TARGET_AM335X_IGEP003X
> bool "Support am335x_igep003x"
> select BOARD_LATE_INIT
> diff --git a/board/bosch/cbc/Kconfig b/board/bosch/cbc/Kconfig
> new file mode 100644
> index 0000000000..03fae6d48c
> --- /dev/null
> +++ b/board/bosch/cbc/Kconfig
> @@ -0,0 +1,15 @@
> +if TARGET_AM335X_CBC
> +
> +config SYS_BOARD
> + default "cbc"
> +
> +config SYS_VENDOR
> + default "bosch"
> +
> +config SYS_CONFIG_NAME
> + default "am335x_cbc"
> +
> +config SYS_SOC
> + default "am33xx"
> +
> +endif
> diff --git a/board/bosch/cbc/MAINTAINERS b/board/bosch/cbc/MAINTAINERS
> new file mode 100644
> index 0000000000..c5216383b7
> --- /dev/null
> +++ b/board/bosch/cbc/MAINTAINERS
> @@ -0,0 +1,6 @@
> +CBC BOARD
> +M: Lukasz Majewski <lukma at denx.de>
> +S: Maintained
> +F: board/bosch/cbc/
> +F: include/configs/am335x_cbc.h
> +F: configs/am335x_cbc_defconfig
> diff --git a/board/bosch/cbc/Makefile b/board/bosch/cbc/Makefile
> new file mode 100644
> index 0000000000..93f3ead28e
> --- /dev/null
> +++ b/board/bosch/cbc/Makefile
> @@ -0,0 +1,9 @@
> +#
> +# (C) Copyright 2022
> +# Lukasz Majewski, DENX Software Engineering, lukma at denx.de.
> +#
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +
> +obj-y := mux.o
> +obj-y += board.o
> diff --git a/board/bosch/cbc/README b/board/bosch/cbc/README
> new file mode 100644
> index 0000000000..b1265ba2bf
> --- /dev/null
> +++ b/board/bosch/cbc/README
> @@ -0,0 +1,17 @@
> +How to use U-Boot on Bosh's CBC
> +===============================
> +
> +- Build U-Boot for cbc:
> +
> +$ make mrproper
> +$ make am335x_cbc_defconfig
> +$ make
> +
> +This will generate the SPL image called MLO and the u-boot.img.
> +
> +Prepare uSD card:
> +-----------------
> +
> +- Create primary boot partition with FAT16 type (16 MiB size)
> +- Format it to use vfat (mkfs.vfat -F16)
> +- Copy the MLO and u-boot.img to this partition
> diff --git a/board/bosch/cbc/board.c b/board/bosch/cbc/board.c
> new file mode 100644
> index 0000000000..9187c6d2f4
> --- /dev/null
> +++ b/board/bosch/cbc/board.c
> @@ -0,0 +1,437 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (C) 2022 DENX Software Engineering
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + *
> + * Copyright (C) 2017, Grinn - http://grinn-global.com/
> + * Copyright (C) 2011, Texas Instruments, Incorporated -
> http://www.ti.com/
> + */
> +
> +#include <common.h>
> +#include <init.h>
> +#include <net.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/ddr_defs.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/omap.h>
> +#include <asm/arch/mem.h>
> +#include <asm/arch/mmc_host_def.h>
> +#include <asm/arch/mux.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/emif.h>
> +#include <asm/global_data.h>
> +#include <asm/io.h>
> +#include <asm/gpio.h>
> +#include <cpsw.h>
> +#include <env.h>
> +#include <errno.h>
> +#include <miiphy.h>
> +#include <spl.h>
> +#include <watchdog.h>
> +#include <i2c.h>
> +#include <power/tps65217.h>
> +#include <linux/delay.h>
> +#include <dm/uclass.h>
> +#include <i2c_eeprom.h>
> +#include <led.h>
> +#include <button.h>
> +
> +#include "board.h"
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +static __maybe_unused struct ctrl_dev *cdev =
> + (struct ctrl_dev *)CTRL_DEVICE_BASE;
> +
> +static struct cbc_baseboard_id header;
> +static int cbc_eeprom_valid;
> +
> +/*
> + * Read header information from EEPROM into global structure.
> + */
> +static int read_eeprom(void)
> +{
> + struct udevice *dev;
> + int ret;
> +
> + ret = uclass_get_device_by_name(UCLASS_I2C_EEPROM,
> "eeprom at 50", &dev);
> + if (ret) {
> + debug("%s: could not get EEPROM [%d]\n", __func__,
> ret);
> + return ret;
> + }
> +
> + ret = i2c_eeprom_read(dev, 0, (uint8_t *)&header,
> sizeof(header));
> + if (ret < 0) {
> + debug("%s: EEPROM read failed! [%d]\n", __func__,
> ret);
> + return -EIO;
> + }
> +
> + if (header.magic != HDR_MAGIC) {
> + printf("Incorrect magic number (0x%x) in EEPROM\n",
> + header.magic);
> + return -EIO;
> + }
> +
> + cbc_eeprom_valid = 1;
> + return 0;
> +}
> +
> +#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT)
> +void set_uart_mux_conf(void)
> +{
> + enable_uart0_pin_mux();
> + enable_uart1_pin_mux();
> + enable_uart2_pin_mux();
> + enable_uart3_pin_mux();
> +}
> +
> +void set_mux_conf_regs(void)
> +{
> + enable_board_pin_mux();
> +}
> +
> +/* DDR3 configuration data */
> +static const struct ddr_data ddr3_cbc_data = {
> + .datardsratio0 = MT41K256M16HA125E_RD_DQS,
> + .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
> + .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
> + .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
> +};
> +
> +static const struct cmd_control ddr3_cbc_cmd_ctrl_data = {
> + .cmd0csratio = MT41K256M16HA125E_RATIO,
> + .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
> +
> + .cmd1csratio = MT41K256M16HA125E_RATIO,
> + .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
> +
> + .cmd2csratio = MT41K256M16HA125E_RATIO,
> + .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
> +};
> +
> +static struct emif_regs ddr3_cbc_emif_reg_data = {
> + .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
> + .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
> + .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
> + .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
> + .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
> + .ocp_config = 0x00141414,
> + .zq_config = MT41K256M16HA125E_ZQ_CFG,
> + .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
> +};
> +
> +#define OSC (V_OSCK / 1000000)
> +const struct dpll_params dpll_ddr_cbc = {
> + 400, OSC - 1, 1, -1, -1, -1, -1};
> +
> +const struct dpll_params *get_dpll_ddr_params(void)
> +{
> + return &dpll_ddr_cbc;
> +}
> +
> +const struct ctrl_ioregs ioregs_cbc = {
> + .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
> + .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
> + .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
> + .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
> + .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
> +};
> +
> +void sdram_init(void)
> +{
> + config_ddr(400, &ioregs_cbc,
> + &ddr3_cbc_data,
> + &ddr3_cbc_cmd_ctrl_data,
> + &ddr3_cbc_emif_reg_data, 0);
> +}
> +
> +void am33xx_spl_board_init(void)
> +{
> + int mpu_vdd;
> + int usb_cur_lim;
> +
> + enable_i2c0_pin_mux();
> +
> + /* Get the frequency */
> + dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
> +
> + if (power_tps65217_init(0))
> + return;
> +
> + /*
> + * Increase USB current limit to 1300mA or 1800mA and set
> + * the MPU voltage controller as needed.
> + */
> + if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
> + usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
> + mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
> + } else {
> + usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
> + mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
> + }
> +
> + if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
> + TPS65217_POWER_PATH,
> + usb_cur_lim,
> + TPS65217_USB_INPUT_CUR_LIMIT_MASK))
> + puts("tps65217_reg_write failure\n");
> +
> + /* Set DCDC3 (CORE) voltage to 1.125V */
> + if (tps65217_voltage_update(TPS65217_DEFDCDC3,
> + TPS65217_DCDC_VOLT_SEL_1125MV)) {
> + puts("tps65217_voltage_update failure\n");
> + return;
> + }
> +
> + /* Set CORE Frequencies to OPP100 */
> + do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
> +
> + /* Set DCDC2 (MPU) voltage */
> + if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
> + puts("tps65217_voltage_update failure\n");
> + return;
> + }
> +
> + /* Set LDO3 to 1.8V and LDO4 to 3.3V */
> + if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
> + TPS65217_DEFLS1,
> + TPS65217_LDO_VOLTAGE_OUT_1_8,
> + TPS65217_LDO_MASK))
> + puts("tps65217_reg_write failure\n");
> +
> + if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
> + TPS65217_DEFLS2,
> + TPS65217_LDO_VOLTAGE_OUT_3_3,
> + TPS65217_LDO_MASK))
> + puts("tps65217_reg_write failure\n");
> +
> + /* Set MPU Frequency to what we detected now that voltages
> are set */
> + do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
> +}
> +#endif /* CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) */
> +
> +/*
> + * Basic board specific setup. Pinmux has been handled already.
> + */
> +int board_init(void)
> +{
> + int ret;
> +
> + ret = read_eeprom();
> + if (ret < 0)
> + printf("EEPROM Content Invalid [%d].\n", ret);
> +
> + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
> + gpmc_init();
> +
> + return 0;
> +}
> +
> +#ifdef CONFIG_BOARD_LATE_INIT
> +static int cbc_encode_address_switch(int *id)
> +{
> + struct udevice b1, b2, b3, b4;
> + const char *b1_name = "B1";
> + const char *b2_name = "B2";
> + const char *b3_name = "B3";
> + const char *b4_name = "B4";
> +
> + int bit1, bit2, bit3, bit4;
> + struct udevice *dev;
> + int cbc_id = 0;
> + int ret;
> +
> + /* CBC-ID Switch */
> + dev = &b1;
> + ret = button_get_by_label(b1_name, &dev);
> + if (ret) {
> + printf("Button '%s' not found (err=%d)\n", b1_name,
> ret);
> + return ret;
> + }
> + bit1 = button_get_state(dev);
> +
> + dev = &b2;
> + ret = button_get_by_label(b2_name, &dev);
> + if (ret) {
> + printf("Button '%s' not found (err=%d)\n", b2_name,
> ret);
> + return ret;
> + }
> + bit2 = button_get_state(dev);
> +
> + dev = &b3;
> + ret = button_get_by_label(b3_name, &dev);
> + if (ret) {
> + printf("Button '%s' not found (err=%d)\n", b3_name,
> ret);
> + return ret;
> + }
> + bit3 = button_get_state(dev);
> +
> + dev = &b4;
> + ret = button_get_by_label(b4_name, &dev);
> + if (ret) {
> + printf("Button '%s' not found (err=%d)\n", b4_name,
> ret);
> + return ret;
> + }
> + bit4 = button_get_state(dev);
> +
> + debug("%s: b1: %d b2: %d b3: %d b4: %d\n", __func__, bit1,
> bit2,
> + bit3, bit4);
> +
> + /* create integer value from 4 bit-value */
> + (bit1 == 1) ? (cbc_id = cbc_id + 8) : (cbc_id = cbc_id + 0);
> + (bit2 == 1) ? (cbc_id = cbc_id + 4) : (cbc_id = cbc_id + 0);
> + (bit3 == 1) ? (cbc_id = cbc_id + 2) : (cbc_id = cbc_id + 0);
> + (bit4 == 1) ? (cbc_id = cbc_id + 1) : (cbc_id = cbc_id + 0);
> +
> + *id = cbc_id;
> + debug("%s: CBC ID: 0x%x\n", __func__, *id);
> +
> + return 0;
> +}
> +
> +static int cbc_select_mmcboot_dev(void)
> +{
> + const char *bl_name = "Hand";
> + const char *bc_name = "Service";
> + const char *br_name = "Reset";
> + struct udevice bl, bc, br;
> + struct udevice *dev;
> +
> + /* Front buttons states */
> + int button_l = 1;
> + int button_c = 1;
> + int button_r = 1;
> + int ret;
> +
> + dev = &bl;
> + ret = button_get_by_label(bl_name, &dev);
> + if (ret) {
> + printf("Button '%s' not found (err=%d)\n", bl_name,
> ret);
> + return ret;
> + }
> + button_l = !button_get_state(dev);
> +
> + dev = &bc;
> + ret = button_get_by_label(bc_name, &dev);
> + if (ret) {
> + printf("Button '%s' not found (err=%d)\n", bc_name,
> ret);
> + return ret;
> + }
> + button_c = !button_get_state(dev);
> +
> + dev = &br;
> + ret = button_get_by_label(br_name, &dev);
> + if (ret) {
> + printf("Button '%s' not found (err=%d)\n", br_name,
> ret);
> + return ret;
> + }
> + button_r = !button_get_state(dev);
> +
> + debug("bl: %d bc: %d br: %d\n", button_l, button_c,
> button_r); +
> + if (button_l == 0 && button_c == 1 && button_r == 1) {
> + /* only left button pressed: eMMC booot */
> + printf("Boot Device is eMMC\n");
> + env_set("boot_targets", "mmc1");
> + } else if (button_l == 1 && button_c == 0 && button_r == 1) {
> + /* only center button pressed: SD Card 2 */
> + printf("Boot Device is SD Card 2\n");
> + env_set("boot_targets", "mmc2 mmc1");
> + } else if (button_l == 1 && button_c == 1 && button_r == 0) {
> + /* only right button pressed: microSD booot */
> + printf("Boot Device is micro SDCard\n");
> + env_set("boot_targets", "mmc0 mmc1");
> + } else {
> + /* default: boot rfs+kernel from eMMC2 boot */
> + printf("Boot Device is eMMC\n");
> + env_set("boot_targets", "mmc1");
> + }
> +
> + return ret;
> +}
> +
> +int board_late_init(void)
> +{
> + uchar safe_string_hwrev[HDR_HWREV_ALEN];
> + u8 mac_addr1[HDR_ETH_ALEN];
> + u8 mac_addr[HDR_ETH_ALEN];
> + char *cbc_variant = NULL;
> + u32 mac_hi, mac_lo;
> + int cbc_id = 0;
> + uchar id[4];
> + int ret;
> +
> + if (IS_ENABLED(CONFIG_LED))
> + led_default_state();
> +
> + if (cbc_eeprom_valid) {
> + memcpy(mac_addr, header.mac_addr, HDR_ETH_ALEN);
> + memcpy(mac_addr1, header.mac1_addr, HDR_ETH_ALEN);
> + if (is_valid_ethaddr(mac_addr))
> + eth_env_set_enetaddr("ethaddr", mac_addr);
> +
> + if (is_valid_ethaddr(mac_addr1))
> + eth_env_set_enetaddr("eth1addr", mac_addr1);
> + } else {
> + /* try reading mac address from efuse */
> + mac_lo = readl(&cdev->macid0l);
> + mac_hi = readl(&cdev->macid0h);
> + mac_addr[0] = mac_hi & 0xFF;
> + mac_addr[1] = (mac_hi & 0xFF00) >> 8;
> + mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
> + mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
> + mac_addr[4] = mac_lo & 0xFF;
> + mac_addr[5] = (mac_lo & 0xFF00) >> 8;
> +
> + if (!env_get("ethaddr")) {
> + printf("<ethaddr> not set. Use first E-fuse
> MAC\n"); +
> + if (is_valid_ethaddr(mac_addr))
> + eth_env_set_enetaddr("ethaddr",
> mac_addr);
> + }
> +
> + mac_lo = readl(&cdev->macid1l);
> + mac_hi = readl(&cdev->macid1h);
> + mac_addr[0] = mac_hi & 0xFF;
> + mac_addr[1] = (mac_hi & 0xFF00) >> 8;
> + mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
> + mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
> + mac_addr[4] = mac_lo & 0xFF;
> + mac_addr[5] = (mac_lo & 0xFF00) >> 8;
> +
> + if (!env_get("eth1addr")) {
> + if (is_valid_ethaddr(mac_addr))
> + eth_env_set_enetaddr("eth1addr",
> mac_addr);
> + }
> + }
> +
> + ret = cbc_select_mmcboot_dev();
> + if (ret)
> + printf("%s: Default mmcboot device selected!",
> __func__); +
> + ret = cbc_encode_address_switch(&cbc_id);
> + if (ret)
> + printf("%s: Error with address switch read!",
> __func__); +
> + /* Get CBC variant from eeprom */
> + if (cbc_eeprom_valid) {
> + const char *c = ";";
> +
> + memcpy(safe_string_hwrev, header.cbc_hwrev,
> HDR_HWREV_ALEN);
> + cbc_variant = strtok((char *)&safe_string_hwrev, c);
> +
> + if (cbc_variant) {
> + printf("CBC Variant found: %s\n",
> cbc_variant);
> + env_set("board_name", cbc_variant);
> + } else {
> + printf("Invalid EEPROM Content\n");
> + }
> + }
> +
> + sprintf(id, "%d", cbc_id);
> + env_set("board_id", id);
> +
> + return 0;
> +}
> +#endif
> diff --git a/board/bosch/cbc/board.h b/board/bosch/cbc/board.h
> new file mode 100644
> index 0000000000..d95d6e5112
> --- /dev/null
> +++ b/board/bosch/cbc/board.h
> @@ -0,0 +1,71 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Copyright (C) 2022 DENX Software Engineering
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +#ifndef _BOARD_H_
> +#define _BOARD_H_
> +
> +/*
> + * TI AM335x parts define a system EEPROM that defines certain
> sub-fields.
> + * We use these fields to in turn see what board we are on, and what
> + * that might require us to set or not set.
> + */
> +#define HDR_NO_OF_MAC_ADDR 3
> +#define HDR_ETH_ALEN 6
> +#define HDR_NAME_LEN 8
> +
> +#define HDR_MAGIC 0x43424342
> +#define HDR_ETH_ALEN 6
> +#define HDR_FORGET_ALEN 270
> +#define HDR_HWREV_ALEN 64
> +
> +/* CBC Variant Coding */
> +#define CBC_VARIANT_CBC "CBC"
> +#define CBC_VARIANT_BCT531 "BCT531"
> +#define CBC_VARIANT_BC531 "BC531"
> +#define CBC_VARIANT_BCT831 "BCT831"
> +#define CBC_VARIANT_BC831 "BC831"
> +
> +/*
> + * CBC parameters held in On-Board I²C EEPROM device.
> + *
> + * Header Format
> + *
> + * Name Size Contents
> + *-------------------------------------------------------------
> + * Magic 4 0x42 0x43 0x42 0x43 [BCBC]
> + *
> + *
> + * Length 2 The length of the complete structure, not only
> this header
> + *
> + * Eth-MAC 6 Ethernet 0 MAC Address
> + *
> + * Eth-MAC 6 Ethernet 1 MAC Address
> + *
> + * .... 270 Mixed, not needed data
> + *
> + * HW-Rev 64 CBC Hardware revision string
> + *
> + * --- Further values follow, not important for Bootloader ---
> + */
> +
> +struct cbc_baseboard_id {
> + u32 magic;
> + u16 length;
> + char mac_addr[HDR_ETH_ALEN];
> + char mac1_addr[HDR_ETH_ALEN];
> + char forget_data[HDR_FORGET_ALEN];
> + char cbc_hwrev[HDR_HWREV_ALEN];
> +};
> +
> +void enable_uart0_pin_mux(void);
> +void enable_uart1_pin_mux(void);
> +void enable_uart2_pin_mux(void);
> +void enable_uart3_pin_mux(void);
> +void enable_uart4_pin_mux(void);
> +void enable_uart5_pin_mux(void);
> +void enable_i2c0_pin_mux(void);
> +void enable_board_pin_mux(void);
> +#endif
> diff --git a/board/bosch/cbc/mux.c b/board/bosch/cbc/mux.c
> new file mode 100644
> index 0000000000..22fe04e722
> --- /dev/null
> +++ b/board/bosch/cbc/mux.c
> @@ -0,0 +1,171 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * mux.c for am335x-cbc
> + *
> + * Copyright (C) 2022 DENX Software Engineering
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +#include <common.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/mux.h>
> +#include <asm/io.h>
> +#include <i2c.h>
> +
> +#include "board.h"
> +
> +/* debug uart */
> +static struct module_pin_mux uart0_pin_mux[] = {
> + {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN |
> RXACTIVE)}, /* UART0_RXD */
> + {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /*
> UART0_TXD */
> + {-1},
> +};
> +
> +/* rs485 */
> +static struct module_pin_mux uart1_pin_mux[] = {
> + {OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN |
> RXACTIVE)}, /* UART1_RXD */
> + {OFFSET(uart1_txd), (MODE(0) | PULLUDEN)}, /*
> UART1_TXD */
> + {OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUDEN)}, /*
> TRANSMIT_ENABLE */
> + {-1},
> +};
> +
> +/* rs485 */
> +static struct module_pin_mux uart2_pin_mux[] = {
> + {OFFSET(mii1_txclk), (MODE(1) | PULLUP_EN | RXACTIVE)}, /*
> UART2_RXD */
> + {OFFSET(mii1_rxclk), (MODE(1) | PULLUDEN)},
> /* UART2_TXD */
> + {OFFSET(mii1_rxdv), (MODE(7) | PULLUDEN)}, /*
> TRANSMIT_ENABLE */
> + {-1},
> +};
> +
> +/* fb bus */
> +static struct module_pin_mux uart3_pin_mux[] = {
> + {OFFSET(mii1_rxd3), (MODE(1) | PULLUP_EN |
> RXACTIVE)}, /* UART3_RXD */
> + {OFFSET(mii1_rxd2), (MODE(1) | PULLUDEN)}, /*
> UART3_TXD */
> + {-1},
> +};
> +
> +/* µsd */
> +static struct module_pin_mux mmc0_pin_mux[] = {
> + {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE |
> PULLUP_EN)}, /* MMC0_DAT3 */
> + {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE |
> PULLUP_EN)}, /* MMC0_DAT2 */
> + {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE |
> PULLUP_EN)}, /* MMC0_DAT1 */
> + {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE |
> PULLUP_EN)}, /* MMC0_DAT0 */
> + {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},
> /* MMC0_CLK */
> + {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},
> /* MMC0_CMD */
> + {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)},
> /* MMC0_CD */
> + {-1},
> +};
> +
> +/* emmc */
> +static struct module_pin_mux emmc_pin_mux[] = {
> + {OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT7 */
> + {OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT6 */
> + {OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT5 */
> + {OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT4 */
> + {OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT3 */
> + {OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT2 */
> + {OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT1 */
> + {OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_DAT0 */
> + {OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_CLK */
> + {OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE |
> PULLUP_EN)}, /* MMC1_CMD */
> + {-1},
> +};
> +
> +/* sd */
> +static struct module_pin_mux mmc2_pin_mux[] = {
> + {OFFSET(gpmc_be1n), (MODE(3) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_DAT3 */
> + {OFFSET(gpmc_a3), (MODE(3) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_DAT2 */
> + {OFFSET(gpmc_a2), (MODE(3) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_DAT1 */
> + {OFFSET(gpmc_a1), (MODE(3) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_DAT0 */
> + {OFFSET(gpmc_clk), (MODE(3) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_CLK */
> + {OFFSET(gpmc_csn3), (MODE(3) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_CMD */
> + {OFFSET(mcasp0_axr0), (MODE(4) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_CD */
> + {OFFSET(mcasp0_fsx), (MODE(7) | RXACTIVE | PULLUP_EN)}, /*
> MMC2_WP */
> + {-1},
> +};
> +
> +static struct module_pin_mux i2c0_pin_mux[] = {
> + {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
> + PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
> + {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
> + PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
> + {-1},
> +};
> +
> +static struct module_pin_mux i2c1_pin_mux[] = {
> + {OFFSET(uart0_ctsn), (MODE(3) | RXACTIVE |
> + PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
> + {OFFSET(uart0_rtsn), (MODE(3) | RXACTIVE |
> + PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
> + {-1},
> +};
> +
> +static struct module_pin_mux rmii1_pin_mux[] = {
> + {OFFSET(mii1_crs), MODE(1) | RXACTIVE}, /* RMII1_CRS_DV
> */
> + {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE}, /* RMII1_RXERR */
> + {OFFSET(mii1_txen), MODE(1)}, /* RMII1_TXEN */
> + {OFFSET(mii1_txd1), MODE(1)}, /* RMII1_TxD1 */
> + {OFFSET(mii1_txd0), MODE(1)}, /* RMII1_TXD0 */
> + {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE}, /* RMII1_RXD1 */
> + {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE}, /* RMII1_RXD0 */
> + {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE}, /* RMII1_REFCLK
> */
> + {-1},
> +};
> +
> +static struct module_pin_mux rmii2_pin_mux[] = {
> + {OFFSET(gpmc_a0), MODE(3)}, /*
> RMII2_TXEN */
> + {OFFSET(gpmc_a4), MODE(3)}, /*
> RMII2_TXD1 */
> + {OFFSET(gpmc_a5), MODE(3)}, /*
> RMII2_TXD0 */
> + {OFFSET(gpmc_a10), MODE(3) | RXACTIVE}, /* RMII2_RXD1 */
> + {OFFSET(gpmc_a11), MODE(3) | RXACTIVE}, /* RMII2_RXD0 */
> + {OFFSET(gpmc_wait0), MODE(3) | RXACTIVE}, /* RMII2_CRS_DV */
> + {OFFSET(gpmc_wpn), MODE(3) | RXACTIVE}, /* RMII2_RXER */
> + {OFFSET(mii1_col), MODE(1) | RXACTIVE}, /* RMII2_REFCLK */
> + {-1},
> +};
> +
> +static struct module_pin_mux mdio_pin_mux[] = {
> + {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/*
> MDIO_DATA */
> + {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /*
> MDIO_CLK */
> + {-1},
> +};
> +
> +void enable_uart0_pin_mux(void)
> +{
> + configure_module_pin_mux(uart0_pin_mux);
> +}
> +
> +void enable_uart1_pin_mux(void)
> +{
> + configure_module_pin_mux(uart1_pin_mux);
> +}
> +
> +void enable_uart2_pin_mux(void)
> +{
> + configure_module_pin_mux(uart2_pin_mux);
> +}
> +
> +void enable_uart3_pin_mux(void)
> +{
> + configure_module_pin_mux(uart3_pin_mux);
> +}
> +
> +void enable_i2c0_pin_mux(void)
> +{
> + configure_module_pin_mux(i2c0_pin_mux);
> +}
> +
> +void enable_board_pin_mux(void)
> +{
> + configure_module_pin_mux(i2c1_pin_mux);
> + configure_module_pin_mux(mdio_pin_mux);
> + configure_module_pin_mux(rmii1_pin_mux);
> + configure_module_pin_mux(rmii2_pin_mux);
> + configure_module_pin_mux(mmc0_pin_mux);
> + configure_module_pin_mux(emmc_pin_mux);
> + configure_module_pin_mux(mmc2_pin_mux);
> + configure_module_pin_mux(uart1_pin_mux);
> + configure_module_pin_mux(uart2_pin_mux);
> + configure_module_pin_mux(uart3_pin_mux);
> +}
> diff --git a/configs/am335x_cbc_defconfig
> b/configs/am335x_cbc_defconfig new file mode 100644
> index 0000000000..f4cb322c1a
> --- /dev/null
> +++ b/configs/am335x_cbc_defconfig
> @@ -0,0 +1,81 @@
> +CONFIG_ARM=y
> +CONFIG_ARCH_CPU_INIT=y
> +CONFIG_ARCH_OMAP2PLUS=y
> +CONFIG_SPL_LIBCOMMON_SUPPORT=y
> +CONFIG_SPL_LIBGENERIC_SUPPORT=y
> +CONFIG_ENV_SIZE=0x2000
> +CONFIG_ENV_OFFSET=0x20000
> +CONFIG_DEFAULT_DEVICE_TREE="am335x-cbc"
> +CONFIG_AM33XX=y
> +CONFIG_TARGET_AM335X_CBC=y
> +CONFIG_SPL_MMC=y
> +CONFIG_SPL_SERIAL=y
> +CONFIG_SPL=y
> +CONFIG_ENV_OFFSET_REDUND=0x22000
> +CONFIG_SPL_FS_FAT=y
> +CONFIG_SPL_LIBDISK_SUPPORT=y
> +CONFIG_DISTRO_DEFAULTS=y
> +CONFIG_TIMESTAMP=y
> +CONFIG_BOOTDELAY=1
> +CONFIG_BOOTCOMMAND="run findfdt; run finduuid; run distro_bootcmd"
> +CONFIG_SYS_CONSOLE_INFO_QUIET=y
> +CONFIG_ARCH_MISC_INIT=y
> +# CONFIG_SPL_BANNER_PRINT is not set
> +CONFIG_SPL_I2C=y
> +# CONFIG_SPL_NAND_SUPPORT is not set
> +CONFIG_SPL_POWER=y
> +CONFIG_SPL_WATCHDOG=y
> +CONFIG_CMD_ASKENV=y
> +CONFIG_CMD_GPIO=y
> +CONFIG_CMD_I2C=y
> +CONFIG_CMD_MMC=y
> +# CONFIG_CMD_SETEXPR is not set
> +# CONFIG_BOOTP_BOOTPATH is not set
> +# CONFIG_BOOTP_DNS is not set
> +# CONFIG_BOOTP_GATEWAY is not set
> +# CONFIG_BOOTP_HOSTNAME is not set
> +# CONFIG_BOOTP_SUBNETMASK is not set
> +CONFIG_CMD_PMIC=y
> +CONFIG_OF_CONTROL=y
> +CONFIG_ENV_OVERWRITE=y
> +CONFIG_ENV_IS_IN_MMC=y
> +CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
> +CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> +CONFIG_SPL_DM=y
> +CONFIG_REGMAP=y
> +# CONFIG_SPL_BLK is not set
> +CONFIG_BOOTCOUNT_LIMIT=y
> +CONFIG_BUTTON=y
> +CONFIG_BUTTON_GPIO=y
> +CONFIG_CLK=y
> +CONFIG_CLK_CCF=y
> +CONFIG_CLK_TI_AM3_DPLL=y
> +CONFIG_CLK_TI_CTRL=y
> +CONFIG_CLK_TI_DIVIDER=y
> +CONFIG_CLK_TI_GATE=y
> +CONFIG_CLK_TI_MUX=y
> +CONFIG_DM_I2C=y
> +CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
> +CONFIG_LED=y
> +CONFIG_LED_GPIO=y
> +CONFIG_MISC=y
> +CONFIG_I2C_EEPROM=y
> +CONFIG_SYS_I2C_EEPROM_ADDR=0x50
> +# CONFIG_SPL_DM_MMC is not set
> +CONFIG_MMC_OMAP_HS=y
> +CONFIG_PHY_SMSC=y
> +CONFIG_DM_ETH=y
> +CONFIG_MII=y
> +CONFIG_DRIVER_TI_CPSW=y
> +CONFIG_DM_PMIC=y
> +# CONFIG_SPL_DM_PMIC is not set
> +CONFIG_PMIC_TPS65217=y
> +CONFIG_SPI=y
> +CONFIG_DM_SPI=y
> +CONFIG_OMAP3_SPI=y
> +CONFIG_TIMER=y
> +CONFIG_OMAP_TIMER=y
> +CONFIG_EXT4_WRITE=y
> +CONFIG_FAT_WRITE=y
> +CONFIG_LZO=y
> +# CONFIG_EFI_LOADER is not set
> diff --git a/include/configs/am335x_cbc.h
> b/include/configs/am335x_cbc.h new file mode 100644
> index 0000000000..603716d025
> --- /dev/null
> +++ b/include/configs/am335x_cbc.h
> @@ -0,0 +1,84 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Copyright (C) 2022 DENX Software Engineering
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +#ifndef __CONFIG_AM335X_CBC_H
> +#define __CONFIG_AM335X_CBC_H
> +
> +#include <configs/ti_am335x_common.h>
> +
> +/* Clock Defines */
> +#define V_OSCK 24000000 /* Clock
> output from T2 */ +#define V_SCLK
> (V_OSCK) +
> +#if CONFIG_IS_ENABLED(CMD_DHCP)
> +# define BOOT_TARGET_DHCP(func) func(DHCP, dhcp, na)
> +#else
> +# define BOOT_TARGET_DHCP(func)
> +#endif
> +
> +#define BOOT_TARGET_DEVICES(func) \
> + func(MMC, mmc, 1) \
> + func(MMC, mmc, 2) \
> + func(MMC, mmc, 0) \
> + BOOT_TARGET_DHCP(func)
> +
> +#include <config_distro_bootcmd.h>
> +
> +#define CONFIG_EXTRA_ENV_SETTINGS \
> + DEFAULT_LINUX_BOOT_ENV \
> + "fdtfile=undefined\0" \
> + "finduuid=part uuid mmc 0:2 uuid\0" \
> + "console=ttyO0,115200n8\0" \
> + "partitions=" \
> + "uuid_disk=${uuid_gpt_disk};" \
> + "name=bootloader,start=384K,size=1792K," \
> + "uuid=${uuid_gpt_bootloader};" \
> +
> "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \
> + "optargs=\0" \
> + "findfdt="\
> + "if test $board_name = BC531 || test $board_name =
> BC831; " \
> + "then setenv fdtfile am335x-cbc-bc-lan-switch.dtb;
> fi; " \
> + "if test $board_name = BCT531 && test $board_id = 0;
> then " \
> + "setenv fdtfile am335x-cbc-bct-lan-dual.dtb;
> fi; " \
> + "if test $board_name = BCT831 && test $board_id = 0;
> then " \
> + "setenv fdtfile am335x-cbc-bct-lan-dual.dtb;
> fi; " \
> + "if test $board_name = CBC && test $board_id = 0;
> then " \
> + "setenv fdtfile am335x-cbc-bct-lan-dual.dtb;
> fi; " \
> + "if test $board_name = BCT531 && test $board_id !=
> 0; then " \
> + "setenv fdtfile
> am335x-cbc-bct-lan-switch.dtb; fi; " \
> + "if test $board_name = BCT831 && test $board_id !=
> 0; then " \
> + "setenv fdtfile
> am335x-cbc-bct-lan-switch.dtb; fi; " \
> + "if test $board_name = CBC && test $board_id != 0;
> then " \
> + "setenv fdtfile
> am335x-cbc-bct-lan-switch.dtb; fi; " \
> + "if test $fdtfile = undefined; then " \
> + "echo WARNING: Using default device tree!;" \
> + "if test $board_id = 0; then " \
> + "setenv fdtfile
> am335x-cbc-bct-lan-dual.dtb;" \
> + "else" \
> + "setenv fdtfile
> am335x-cbc-bct-lan-switch.dtb;" \
> + "fi;" \
> + "fi; \0" \
> + NETARGS \
> + BOOTENV
> +
> +/* NS16550 Configuration */
> +#define CONFIG_SYS_NS16550_COM1 0x44e09000 /*
> UART0 */ +#define CONFIG_SYS_NS16550_COM2
> 0x48022000 /* UART1 */ +#define CONFIG_SYS_NS16550_COM3
> 0x48024000 /* UART2 */ +#define
> CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
> +#define CONFIG_SYS_NS16550_COM5 0x481a8000 /*
> UART4 */ +#define CONFIG_SYS_NS16550_COM6
> 0x481aa000 /* UART5 */ + +/*
> + * Disable MMC DM for SPL build and can be re-enabled after adding
> + * DM support in SPL
> + */
> +#ifdef CONFIG_SPL_BUILD
> +#undef CONFIG_DM_MMC
> +#undef CONFIG_TIMER
> +#endif
> +
> +#endif /* ! __CONFIG_AM335X_CBC_H */
Gentle ping on this patch.
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma at denx.de
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