Adding the support for the Luton boards PCB91 which share common code with the Ocelots boards, including board code, device tree and configuration.
Signed-off-by: Gregory CLEMENT gregory.clement@bootlin.com --- arch/mips/dts/luton_pcb091.dts | 36 ++++++++++++++ arch/mips/dts/mscc,luton.dtsi | 87 ++++++++++++++++++++++++++++++++++ arch/mips/mach-mscc/Kconfig | 2 + board/mscc/luton/Kconfig | 14 ++++++ board/mscc/luton/Makefile | 3 ++ board/mscc/luton/luton.c | 28 +++++++++++ configs/mscc_luton_defconfig | 66 ++++++++++++++++++++++++++ 7 files changed, 236 insertions(+) create mode 100644 arch/mips/dts/luton_pcb091.dts create mode 100644 arch/mips/dts/mscc,luton.dtsi create mode 100644 board/mscc/luton/Kconfig create mode 100644 board/mscc/luton/Makefile create mode 100644 board/mscc/luton/luton.c create mode 100644 configs/mscc_luton_defconfig
diff --git a/arch/mips/dts/luton_pcb091.dts b/arch/mips/dts/luton_pcb091.dts new file mode 100644 index 0000000000..b5e0df8d04 --- /dev/null +++ b/arch/mips/dts/luton_pcb091.dts @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,luton.dtsi" + +/ { + model = "Luton PCB091 Reference Board"; + compatible = "mscc,luton-pcb091", "mscc,luton"; + + aliases { + serial0 = &uart0; + spi0 = &spi0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + +}; + +&uart0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + spi-flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <0>; /* CS0 */ + }; +}; + diff --git a/arch/mips/dts/mscc,luton.dtsi b/arch/mips/dts/mscc,luton.dtsi new file mode 100644 index 0000000000..6a4ad2a5be --- /dev/null +++ b/arch/mips/dts/mscc,luton.dtsi @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include <dt-bindings/gpio/gpio.h> + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mscc,luton"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "mips,mips24KEc"; + device_type = "cpu"; + reg = <0>; + }; + }; + + aliases { + serial0 = &uart0; + }; + + ahb_clk: ahb-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <208333333>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x60000000 0x10200000>; + + uart0: serial@10100000 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + + compatible = "ns16550a"; + reg = <0x10100000 0x20>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + gpio: pinctrl@70068 { + compatible = "mscc,luton-pinctrl"; + reg = <0x70068 0x68>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&gpio 0 0 32>; + + uart_pins: uart-pins { + pins = "GPIO_30", "GPIO_31"; + function = "uart"; + }; + + }; + + gpio_spi_bitbang: gpio@10000064 { + compatible = "mscc,spi-bitbang-gpio"; + reg = <0x10000064 0x4>; + gpio-controller; + #gpio-cells = <2>; + + }; + + spi0: spi-bitbang { + compatible = "spi-gpio"; + status = "okay"; + gpio-sck = <&gpio_spi_bitbang 6 0>; + gpio-miso = <&gpio_spi_bitbang 0 0>; + gpio-mosi = <&gpio_spi_bitbang 5 0>; + cs-gpios = <&gpio_spi_bitbang 1 0>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; diff --git a/arch/mips/mach-mscc/Kconfig b/arch/mips/mach-mscc/Kconfig index fc806fc1f3..0e35b77c9d 100644 --- a/arch/mips/mach-mscc/Kconfig +++ b/arch/mips/mach-mscc/Kconfig @@ -81,4 +81,6 @@ endchoice
source "board/mscc/ocelot/Kconfig"
+source "board/mscc/luton/Kconfig" + endmenu diff --git a/board/mscc/luton/Kconfig b/board/mscc/luton/Kconfig new file mode 100644 index 0000000000..e1199808d5 --- /dev/null +++ b/board/mscc/luton/Kconfig @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +if SOC_LUTON + +config SYS_VENDOR + default "mscc" + +config SYS_BOARD + default "luton" + +config SYS_CONFIG_NAME + default "luton" + +endif diff --git a/board/mscc/luton/Makefile b/board/mscc/luton/Makefile new file mode 100644 index 0000000000..b27f7c7739 --- /dev/null +++ b/board/mscc/luton/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +obj-$(CONFIG_SOC_LUTON) := luton.o diff --git a/board/mscc/luton/luton.c b/board/mscc/luton/luton.c new file mode 100644 index 0000000000..6be55d4c46 --- /dev/null +++ b/board/mscc/luton/luton.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include <common.h> +#include <asm/io.h> + +#define MSCC_GPIO_ALT0 0x88 +#define MSCC_GPIO_ALT1 0x8C + +DECLARE_GLOBAL_DATA_PTR; + +void board_debug_uart_init(void) +{ + /* too early for the pinctrl driver, so configure the UART pins here */ + setbits_le32(REG_GCB(MSCC_GPIO_ALT0), BIT(30) | BIT(31)); +} + +int board_early_init_r(void) +{ + /* Prepare SPI controller to be used in master mode */ + writel(0, REG_CFG(ICPU_SW_MODE)); + + /* Address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE; + return 0; +} diff --git a/configs/mscc_luton_defconfig b/configs/mscc_luton_defconfig new file mode 100644 index 0000000000..47fe12b6ee --- /dev/null +++ b/configs/mscc_luton_defconfig @@ -0,0 +1,66 @@ +CONFIG_MIPS=y +CONFIG_SYS_TEXT_BASE=0x40000000 +CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_BASE=0x70100000 +CONFIG_DEBUG_UART_CLOCK=208333333 +CONFIG_ARCH_MSCC=y +CONFIG_TARGET_LUTON_PCB091=y +CONFIG_DDRTYPE_MT47H128M8HQ=y +CONFIG_SYS_LITTLE_ENDIAN=y +CONFIG_MIPS_BOOT_FDT=y +CONFIG_DEFAULT_DEVICE_TREE="luton_pcb091" +CONFIG_DEBUG_UART=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="pcb091 # " +# 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_DHCP=y +# CONFIG_NET_TFTP_VARS is not set +# CONFIG_CMD_NFS is not set +CONFIG_CMD_PING=y +CONFIG_CMD_MTDPARTS=y +CONFIG_MTDIDS_DEFAULT="nor0=spi_flash" +CONFIG_MTDPARTS_DEFAULT="mtdparts=spi_flash:512k(UBoot),256k(Env),256k(conf),6m@1m(linux)" +# CONFIG_ISO_PARTITION is not set +CONFIG_OF_EMBED=y +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_NET_RANDOM_ETHADDR=y +CONFIG_CLK=y +CONFIG_DM_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_STMICRO=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_DEBUG_UART_SHIFT=2 +CONFIG_SYS_NS16550=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_SOFT_SPI=y +CONFIG_LZMA=y +CONFIG_XZ=y