Add board support, configuration and DTS for Servalt SoC family. Currently there is one board in this family.
Reviewed-by: Daniel Schwierzeck daniel.schwierzeck@gmail.com Signed-off-by: Horatiu Vultur horatiu.vultur@microchip.com --- arch/mips/dts/Makefile | 1 + arch/mips/dts/mscc,servalt.dtsi | 149 +++++++++++++++++++++++++++++++++++++++ arch/mips/dts/servalt_pcb116.dts | 56 +++++++++++++++ board/mscc/servalt/Kconfig | 14 ++++ board/mscc/servalt/Makefile | 3 + board/mscc/servalt/servalt.c | 52 ++++++++++++++ configs/mscc_servalt_defconfig | 60 ++++++++++++++++ 7 files changed, 335 insertions(+) create mode 100644 arch/mips/dts/mscc,servalt.dtsi create mode 100644 arch/mips/dts/servalt_pcb116.dts create mode 100644 board/mscc/servalt/Kconfig create mode 100644 board/mscc/servalt/Makefile create mode 100644 board/mscc/servalt/servalt.c create mode 100644 configs/mscc_servalt_defconfig
diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile index 1484db9..af264ff 100644 --- a/arch/mips/dts/Makefile +++ b/arch/mips/dts/Makefile @@ -20,6 +20,7 @@ dtb-$(CONFIG_TARGET_JZ4780_CI20) += ci20.dtb dtb-$(CONFIG_SOC_LUTON) += luton_pcb090.dtb luton_pcb091.dtb dtb-$(CONFIG_SOC_OCELOT) += ocelot_pcb120.dtb ocelot_pcb123.dtb dtb-$(CONFIG_SOC_JR2) += jr2_pcb110.dtb jr2_pcb111.dtb serval2_pcb112.dtb +dtb-$(CONFIG_SOC_SERVALT) += servalt_pcb116.dtb
targets += $(dtb-y)
diff --git a/arch/mips/dts/mscc,servalt.dtsi b/arch/mips/dts/mscc,servalt.dtsi new file mode 100644 index 0000000..4beb7a3 --- /dev/null +++ b/arch/mips/dts/mscc,servalt.dtsi @@ -0,0 +1,149 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mscc,servalt"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "mips,mips24KEc"; + device_type = "cpu"; + clocks = <&cpu_clk>; + reg = <0>; + }; + }; + + aliases { + serial0 = &uart0; + }; + + cpuintc: interrupt-controller@0 { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + cpu_clk: cpu-clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <500000000>; + }; + + sys_clk: sys-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <250000000>; + }; + + ahb_clk: ahb-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <250000000>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x70000000 0x2000000>; + + interrupt-parent = <&intc>; + + cpu_ctrl: syscon@0 { + compatible = "mscc,servalt-cpu-syscon", "syscon"; + reg = <0x0 0x2c>; + }; + + intc: interrupt-controller@70 { + compatible = "mscc,servalt-icpu-intr"; + reg = <0x70 0x74>; + #interrupt-cells = <1>; + interrupt-controller; + interrupt-parent = <&cpuintc>; + interrupts = <2>; + }; + + uart0: serial@100000 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100000 0x20>; + interrupts = <6>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + uart2: serial@100800 { + pinctrl-0 = <&uart2_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100800 0x20>; + interrupts = <7>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + reset@1010008 { + compatible = "mscc,servalt-chip-reset"; + reg = <0x1010008 0x4>; + }; + + gpio: pinctrl@1010034 { + compatible = "mscc,servalt-pinctrl"; + reg = <0x1010034 0x90>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&gpio 0 0 36>; + + sgpio_pins: sgpio-pins { + pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3"; + function = "sio"; + }; + + uart_pins: uart-pins { + pins = "GPIO_6", "GPIO_7"; + function = "uart"; + }; + + uart2_pins: uart2-pins { + pins = "GPIO_20", "GPIO_21"; + function = "uart2"; + }; + }; + + spi0: spi-bitbang { + compatible = "mscc,luton-bb-spi"; + status = "okay"; + reg = <0x50 0x4>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; + + sgpio: gpio@1010120 { + compatible = "mscc,ocelot-sgpio"; + status = "disabled"; + clocks = <&sys_clk>; + pinctrl-0 = <&sgpio_pins>; + pinctrl-names = "default"; + reg = <0x1010120 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&sgpio 0 0 128>; + }; + }; +}; diff --git a/arch/mips/dts/servalt_pcb116.dts b/arch/mips/dts/servalt_pcb116.dts new file mode 100644 index 0000000..fb33312 --- /dev/null +++ b/arch/mips/dts/servalt_pcb116.dts @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,servalt.dtsi" + +/ { + model = "ServalT PCB116 Reference Board"; + compatible = "mscc,servalt-pcb116", "mscc,servalt"; + + aliases { + spi0 = &spi0; + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + gpio-leds { + compatible = "gpio-leds"; + + status_green { + label = "pcb116:green:status"; + gpios = <&sgpio 70 0>; /* p6.2 */ + default-state = "on"; + }; + + status_red { + label = "pcb116:red:status"; + gpios = <&sgpio 102 0>; /* p6.3 */ + default-state = "off"; + }; + }; +}; + +&uart0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + spi-flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <0>; /* CS0 */ + spi-cs-high; + }; +}; + +&sgpio { + status = "okay"; + sgpio-ports = <0x0000fe7f>; +}; diff --git a/board/mscc/servalt/Kconfig b/board/mscc/servalt/Kconfig new file mode 100644 index 0000000..61140f8 --- /dev/null +++ b/board/mscc/servalt/Kconfig @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +config SYS_VENDOR + default "mscc" + +if SOC_SERVALT + +config SYS_BOARD + default "servalt" + +config SYS_CONFIG_NAME + default "servalt" + +endif diff --git a/board/mscc/servalt/Makefile b/board/mscc/servalt/Makefile new file mode 100644 index 0000000..9a37eea --- /dev/null +++ b/board/mscc/servalt/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +obj-$(CONFIG_SOC_SERVALT) := servalt.o diff --git a/board/mscc/servalt/servalt.c b/board/mscc/servalt/servalt.c new file mode 100644 index 0000000..566f976 --- /dev/null +++ b/board/mscc/servalt/servalt.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include <common.h> +#include <asm/io.h> +#include <led.h> + +enum { + BOARD_TYPE_PCB116 = 0xAABBCE00, +}; + +int board_early_init_r(void) +{ + /* Prepare SPI controller to be used in master mode */ + writel(0, BASE_CFG + ICPU_SW_MODE); + + /* Address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE; + + /* LED setup */ + if (IS_ENABLED(CONFIG_LED)) + led_default_state(); + + return 0; +} + +static void do_board_detect(void) +{ + gd->board_type = BOARD_TYPE_PCB116; /* ServalT */ +} + +#if defined(CONFIG_MULTI_DTB_FIT) +int board_fit_config_name_match(const char *name) +{ + if (gd->board_type == BOARD_TYPE_PCB116 && + strcmp(name, "servalt_pcb116") == 0) + return 0; + return -1; +} +#endif + +#if defined(CONFIG_DTB_RESELECT) +int embedded_dtb_select(void) +{ + do_board_detect(); + fdtdec_setup(); + + return 0; +} +#endif diff --git a/configs/mscc_servalt_defconfig b/configs/mscc_servalt_defconfig new file mode 100644 index 0000000..f23617e --- /dev/null +++ b/configs/mscc_servalt_defconfig @@ -0,0 +1,60 @@ +CONFIG_MIPS=y +CONFIG_SYS_TEXT_BASE=0x40000000 +CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_ARCH_MSCC=y +CONFIG_SOC_SERVALT=y +CONFIG_SYS_LITTLE_ENDIAN=y +CONFIG_FIT=y +CONFIG_BOOTDELAY=3 +CONFIG_USE_BOOTARGS=y +CONFIG_BOOTARGS="console=ttyS0,115200" +CONFIG_LOGLEVEL=7 +CONFIG_DISPLAY_CPUINFO=y +CONFIG_SYS_PROMPT="servalt # " +# CONFIG_CMD_BDI is not set +# CONFIG_CMD_CONSOLE is not set +# CONFIG_CMD_ELF is not set +# CONFIG_CMD_EXPORTENV is not set +# CONFIG_CMD_IMPORTENV is not set +# CONFIG_CMD_CRC32 is not set +CONFIG_CMD_MD5SUM=y +CONFIG_CMD_MEMINFO=y +CONFIG_CMD_MEMTEST=y +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_GPIO=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y +# CONFIG_CMD_NET is not set +CONFIG_CMD_MTDPARTS=y +CONFIG_MTDIDS_DEFAULT="nor0=spi_flash" +CONFIG_MTDPARTS_DEFAULT="mtdparts=spi_flash:1m(UBoot),256k(Env),256k(Env.bk)" +# CONFIG_ISO_PARTITION is not set +CONFIG_DEFAULT_DEVICE_TREE="servalt_pcb116" +CONFIG_OF_LIST="servalt_pcb116" +CONFIG_DTB_RESELECT=y +CONFIG_MULTI_DTB_FIT=y +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_NET_RANDOM_ETHADDR=y +CONFIG_CLK=y +CONFIG_DM_GPIO=y +CONFIG_MSCC_SGPIO=y +CONFIG_LED=y +CONFIG_LED_GPIO=y +CONFIG_DM_SPI_FLASH=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_BAR=y +CONFIG_SPI_FLASH_GIGADEVICE=y +CONFIG_SPI_FLASH_MACRONIX=y +CONFIG_SPI_FLASH_SPANSION=y +CONFIG_SPI_FLASH_WINBOND=y +CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_PINCTRL=y +CONFIG_PINCONF=y +CONFIG_DM_SERIAL=y +CONFIG_SYS_NS16550=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_MSCC_BB_SPI=y +CONFIG_LZMA=y +CONFIG_XZ=y