I just trimmed too much. This is also the cause of MMC/SD misbehavior (missing interrupt). I will send another patch *after* some serious testing. Regards Mauro
On 1/27/20 1:41 PM, Stefan Roese wrote: > On 25.01.20 22:12, Mauro Condarelli wrote: >> Small patch series to add support for VoCore/VoCore2 board. >> >> VoCore is open hardware and runs OpenWrt/LEDE. >> It has WIFI, USB, UART, 20+ GPIOs but is only one inch square. >> It will help you to make a smart house, study embedded system >> or even make the tiniest router in the world. >> >> Details about this SoM can be found at "https://vocore.io/v2.html". >> >> Signed-off-by: Mauro Condarelli <mc5...@mclink.it> >> --- >> >> Changes in v3: >> - based on top of Weijie Gao patchset: >> "[v3,xx/20]Refactor the architecture parts of mt7628" >> >> Changes in v2: >> - Removed some dead code >> - Changed Author to my full name (no nick) >> - Removed unwanted fixup to .dts generation (not my call). >> - Fixed commit message >> - Fixed various variables/filenames to include Vendor name >> - Changed Vendor name (Vonger -> Vocore) >> >> MAINTAINERS | 1 + >> arch/mips/dts/Makefile | 1 + >> arch/mips/dts/mt7628a.dtsi | 56 ++++------------- >> arch/mips/dts/vocore_vocore2.dts | 76 +++++++++++++++++++++++ >> arch/mips/mach-mtmips/Kconfig | 8 +++ >> board/vocore/vocore2/Kconfig | 12 ++++ >> board/vocore/vocore2/Makefile | 3 + >> board/vocore/vocore2/board.c | 33 ++++++++++ >> configs/vocore2_defconfig | 100 +++++++++++++++++++++++++++++++ >> include/configs/vocore2.h | 66 ++++++++++++++++++++ >> 10 files changed, 311 insertions(+), 45 deletions(-) >> create mode 100644 arch/mips/dts/vocore_vocore2.dts >> create mode 100644 board/vocore/vocore2/Kconfig >> create mode 100644 board/vocore/vocore2/Makefile >> create mode 100644 board/vocore/vocore2/board.c >> create mode 100644 configs/vocore2_defconfig >> create mode 100644 include/configs/vocore2.h >> >> diff --git a/MAINTAINERS b/MAINTAINERS >> index 7d2729dfb0..aef0f4a26d 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -1,3 +1,4 @@ >> +source /home/mcon/.basheditor/remote-debugging-v1.sh localhost 33333 >> #BASHEDITOR-TMP-REMOTE-DEBUGGING-END|Origin line: >> Descriptions of section entries: >> P: Person (obsolete) >> diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile >> index cbd0c8bc8b..f711e9fb59 100644 >> --- a/arch/mips/dts/Makefile >> +++ b/arch/mips/dts/Makefile >> @@ -23,6 +23,7 @@ dtb-$(CONFIG_BOARD_NETGEAR_DGND3700V2) += >> netgear,dgnd3700v2.dtb >> dtb-$(CONFIG_BOARD_SAGEM_FAST1704) += sagem,f...@st1704.dtb >> dtb-$(CONFIG_BOARD_SFR_NB4_SER) += sfr,nb4-ser.dtb >> dtb-$(CONFIG_BOARD_TPLINK_WDR4300) += tplink_wdr4300.dtb >> +dtb-$(CONFIG_BOARD_VOCORE2) += vocore_vocore2.dtb >> dtb-$(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 >> diff --git a/arch/mips/dts/mt7628a.dtsi b/arch/mips/dts/mt7628a.dtsi >> index 6baa63add3..3d4f29e0c5 100644 >> --- a/arch/mips/dts/mt7628a.dtsi >> +++ b/arch/mips/dts/mt7628a.dtsi >> @@ -7,6 +7,11 @@ >> #size-cells = <1>; >> compatible = "ralink,mt7628a-soc"; >> + resetc: reset-controller { >> + compatible = "ralink,rt2880-reset"; >> + #reset-cells = <1>; >> + }; >> + >> cpus { >> #address-cells = <1>; >> #size-cells = <0>; >> @@ -61,6 +66,12 @@ >> u-boot,dm-pre-reloc; >> }; >> + clkgate: clkgate@0x30 { >> + reg = <0x30 0x4>; >> + compatible = "mediatek,mediatek,mt7628-clk"; >> + #clock-cells = <1>; >> + }; >> + > > If these changes are really necessary, then please submit them as a > separate patch with a description, why they are needed. > >> rstctrl: rstctrl@0x34 { >> reg = <0x34 0x4>; >> compatible = "mediatek,mtmips-reset"; >> @@ -228,32 +239,6 @@ >> resets = <&rstctrl MT7628_TIMER_RST>; >> reset-names = "wdt"; >> - >> - interrupt-parent = <&intc>; >> - interrupts = <24>; >> - }; >> - >> - intc: interrupt-controller@200 { >> - compatible = "ralink,rt2880-intc"; >> - reg = <0x200 0x100>; >> - >> - interrupt-controller; >> - #interrupt-cells = <1>; >> - >> - resets = <&rstctrl MT7628_INT_RST>; >> - reset-names = "intc"; >> - >> - interrupt-parent = <&cpuintc>; >> - interrupts = <2>; >> - >> - ralink,intc-registers = <0x9c 0xa0 >> - 0x6c 0xa4 >> - 0x80 0x78>; >> - }; >> - >> - memory-controller@300 { >> - compatible = "ralink,mt7620a-memc"; >> - reg = <0x300 0x100>; >> }; > > Why do you remove these DT nodes? Please drop these changes. > >> gpio@600 { >> @@ -266,9 +251,6 @@ >> resets = <&rstctrl MT7628_PIO_RST>; >> reset-names = "pio"; >> - interrupt-parent = <&intc>; >> - interrupts = <6>; >> - >> gpio0: bank@0 { >> reg = <0>; >> compatible = "mtk,mt7621-gpio-bank"; >> @@ -316,9 +298,6 @@ >> resets = <&rstctrl MT7628_UART0_RST>; >> reset-names = "uart0"; >> - interrupt-parent = <&intc>; >> - interrupts = <20>; >> - >> reg-shift = <2>; >> }; >> @@ -334,9 +313,6 @@ >> resets = <&rstctrl MT7628_UART1_RST>; >> reset-names = "uart1"; >> - interrupt-parent = <&intc>; >> - interrupts = <21>; >> - >> reg-shift = <2>; >> }; >> @@ -352,9 +328,6 @@ >> resets = <&rstctrl MT7628_UART2_RST>; >> reset-names = "uart2"; >> - interrupt-parent = <&intc>; >> - interrupts = <22>; >> - >> reg-shift = <2>; >> }; >> }; >> @@ -366,8 +339,6 @@ >> resets = <&rstctrl MT7628_EPHY_RST>; >> reset-names = "ephy"; >> - >> - syscon = <&sysc>; >> }; >> usb_phy: usb-phy@10120000 { >> @@ -376,8 +347,6 @@ >> #phy-cells = <0>; >> - ralink,sysctl = <&sysc>; >> - >> resets = <&rstctrl MT7628_UPHY_RST>; >> reset-names = "phy"; >> @@ -391,9 +360,6 @@ >> phys = <&usb_phy>; >> phy-names = "usb"; >> - >> - interrupt-parent = <&intc>; >> - interrupts = <18>; >> }; >> mmc: mmc@10130000 { >> diff --git a/arch/mips/dts/vocore_vocore2.dts >> b/arch/mips/dts/vocore_vocore2.dts >> new file mode 100644 >> index 0000000000..b8fd87a3e9 >> --- /dev/null >> +++ b/arch/mips/dts/vocore_vocore2.dts >> @@ -0,0 +1,76 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * Copyright (C) 2019 Mauro Condarelli <mc5...@mclink.it> >> + */ >> + >> +/dts-v1/; >> + >> +#include "mt7628a.dtsi" >> +#include <dt-bindings/gpio/gpio.h> >> + >> +/ { >> + compatible = "vocore,vocore2", "ralink,mt7628a-soc"; >> + model = "VoCore2"; >> + >> + aliases { >> + serial0 = &uart2; >> + spi0 = &spi0; >> + }; >> + >> + memory@0 { >> + device_type = "memory"; >> + reg = <0x0 0x08000000>; >> + }; >> + leds { >> + compatible = "gpio-leds"; >> + >> + power { >> + label = "vocore:power"; >> + gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>; >> + default-state = "off"; >> + }; >> + }; >> + >> + chosen { >> + bootargs = "console=ttyS2,115200"; >> + stdout-path = &uart2; >> + }; >> +}; >> + >> +&pinctrl { >> + state_default: pin_state { >> + p0led { >> + groups = "p0led_a"; >> + function = "led"; >> + }; >> + }; >> +}; >> + >> +&uart2 { >> + status = "okay"; >> +}; >> + >> +&spi0 { >> + status = "okay"; >> + nor0: spi-flash@0 { >> + #address-cells = <1>; >> + #size-cells = <1>; >> + compatible = "jedec,spi-nor"; >> + spi-max-frequency = <25000000>; >> + reg = <0>; >> + }; >> +}; >> + >> +ð { >> + pinctrl-names = "default"; >> + pinctrl-0 = <&ephy_iot_mode>; >> + mediatek,poll-link-phy = <0>; >> +}; >> + >> +&mmc { >> + status = "okay"; >> + >> + pinctrl-names = "default"; >> + pinctrl-0 = <&sd_iot_mode>; >> + pinctrl-1 = <&sd_iot_mode>; >> +}; >> diff --git a/arch/mips/mach-mtmips/Kconfig >> b/arch/mips/mach-mtmips/Kconfig >> index bcd635f438..489e466daf 100644 >> --- a/arch/mips/mach-mtmips/Kconfig >> +++ b/arch/mips/mach-mtmips/Kconfig >> @@ -83,6 +83,13 @@ config BOARD_MT7628_RFB >> SPI-NOR flash, 1 built-in switch with 5 ports, 1 UART, 1 USB >> host, >> 1 SDXC, 1 PCIe socket and JTAG pins. >> +config BOARD_VOCORE2 >> + bool "VoCore2" >> + depends on SOC_MT7628 >> + help >> + VoCore VoCore2 board has a MT7628 SoC with 128 MiB of RAM >> + and 16 MiB of flash (SPI). >> + >> endchoice >> config SPL_UART2_SPIS_PINMUX >> @@ -96,5 +103,6 @@ config SPL_UART2_SPIS_PINMUX >> source "board/gardena/smart-gateway-mt7688/Kconfig" >> source "board/mediatek/mt7628/Kconfig" >> source "board/seeed/linkit-smart-7688/Kconfig" >> +source "board/vocore/vocore2/Kconfig" >> endmenu >> diff --git a/board/vocore/vocore2/Kconfig b/board/vocore/vocore2/Kconfig >> new file mode 100644 >> index 0000000000..baeff31b69 >> --- /dev/null >> +++ b/board/vocore/vocore2/Kconfig >> @@ -0,0 +1,12 @@ >> +if BOARD_VOCORE2 >> + >> +config SYS_BOARD >> + default "vocore2" >> + >> +config SYS_VENDOR >> + default "vocore" >> + >> +config SYS_CONFIG_NAME >> + default "vocore2" >> + >> +endif >> diff --git a/board/vocore/vocore2/Makefile >> b/board/vocore/vocore2/Makefile >> new file mode 100644 >> index 0000000000..70cd7a8e56 >> --- /dev/null >> +++ b/board/vocore/vocore2/Makefile >> @@ -0,0 +1,3 @@ >> +# SPDX-License-Identifier: GPL-2.0+ >> + >> +obj-y += board.o >> diff --git a/board/vocore/vocore2/board.c b/board/vocore/vocore2/board.c >> new file mode 100644 >> index 0000000000..d387715d14 >> --- /dev/null >> +++ b/board/vocore/vocore2/board.c >> @@ -0,0 +1,33 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * Copyright (C) 2019 Mauro Condarelli <mc5...@mclink.it> >> + * >> + * Note: this is largely copied from: >> + * board/seeed/linkit_smart_7688/board.c >> + * Copyright (C) 2018 Stefan Roese <s...@denx.de> >> + */ >> + >> +#include <common.h> >> +#include <asm/io.h> >> + >> +#define MT76XX_GPIO1_MODE 0x10000060 >> + >> +void board_debug_uart_init(void) >> +{ >> + void __iomem *gpio_mode; >> + >> + /* Select UART2 mode instead of GPIO mode (default) */ >> + gpio_mode = ioremap_nocache(MT76XX_GPIO1_MODE, 0x100); >> + clrbits_le32(gpio_mode, GENMASK(27, 26)); >> +} >> + >> +int board_early_init_f(void) >> +{ >> + /* >> + * The pin muxing of UART2 also needs to be done, if debug uart >> + * is not enabled. So we need to call this function here as well. >> + */ >> + board_debug_uart_init(); >> + >> + return 0; >> +} >> diff --git a/configs/vocore2_defconfig b/configs/vocore2_defconfig >> new file mode 100644 >> index 0000000000..04c7a6a6f5 >> --- /dev/null >> +++ b/configs/vocore2_defconfig >> @@ -0,0 +1,100 @@ >> +CONFIG_MIPS=y >> +CONFIG_SPL_LIBCOMMON_SUPPORT=y >> +CONFIG_SPL_LIBGENERIC_SUPPORT=y >> +CONFIG_ENV_SIZE=0x1000 >> +CONFIG_SPL_SERIAL_SUPPORT=y >> +CONFIG_SPL_SYS_MALLOC_F_LEN=0x20000 >> +CONFIG_NR_DRAM_BANKS=1 >> +CONFIG_SPL=y >> +CONFIG_ARCH_MTMIPS=y >> +CONFIG_BOARD_VOCORE2=y >> +CONFIG_SPL_UART2_SPIS_PINMUX=y >> +CONFIG_RESTORE_EXCEPTION_VECTOR_BASE=y >> +CONFIG_MIPS_BOOT_FDT=y >> +CONFIG_ENV_VARS_UBOOT_CONFIG=y >> +CONFIG_SYS_BOOT_GET_CMDLINE=y >> +CONFIG_SYS_BOOT_GET_KBD=y >> +CONFIG_FIT=y >> +CONFIG_FIT_SIGNATURE=y >> +CONFIG_LEGACY_IMAGE_FORMAT=y >> +CONFIG_OF_STDOUT_VIA_ALIAS=y >> +# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set >> +CONFIG_USE_BOOTARGS=y >> +CONFIG_LOGLEVEL=8 >> +CONFIG_SYS_CONSOLE_INFO_QUIET=y >> +CONFIG_VERSION_VARIABLE=y >> +CONFIG_DISPLAY_BOARDINFO_LATE=y >> +CONFIG_BOARD_EARLY_INIT_F=y >> +CONFIG_SPL_SYS_MALLOC_SIMPLE=y >> +CONFIG_SPL_NOR_SUPPORT=y >> +CONFIG_HUSH_PARSER=y >> +# CONFIG_AUTOBOOT is not set >> +CONFIG_CMD_LICENSE=y >> +# CONFIG_BOOTM_NETBSD is not set >> +# CONFIG_BOOTM_PLAN9 is not set >> +# CONFIG_BOOTM_RTEMS is not set >> +# CONFIG_BOOTM_VXWORKS is not set >> +# CONFIG_CMD_ELF is not set >> +# CONFIG_CMD_XIMG is not set >> +# CONFIG_CMD_CRC32 is not set >> +CONFIG_CMD_MEMINFO=y >> +# CONFIG_CMD_FLASH is not set >> +CONFIG_CMD_GPIO=y >> +CONFIG_CMD_GPT=y >> +CONFIG_CMD_GPT_RENAME=y >> +# CONFIG_CMD_LOADB is not set >> +# CONFIG_CMD_LOADS is not set >> +CONFIG_CMD_MMC=y >> +CONFIG_CMD_MTD=y >> +CONFIG_CMD_PART=y >> +CONFIG_CMD_SPI=y >> +CONFIG_CMD_USB=y >> +CONFIG_CMD_WDT=y >> +CONFIG_CMD_FAT=y >> +CONFIG_CMD_FS_GENERIC=y >> +CONFIG_CMD_MTDPARTS=y >> +CONFIG_MTDIDS_DEFAULT="nor0=spi0.0" >> +CONFIG_MTDPARTS_DEFAULT="spi0.0:312k(u-boot),4k(env),4k(factory),2368k(kernel),-(filesystem)" >> >> +# CONFIG_SPL_DOS_PARTITION is not set >> +# CONFIG_SPL_EFI_PARTITION is not set >> +CONFIG_DEFAULT_DEVICE_TREE="vocore_vocore2" >> +CONFIG_ENV_IS_IN_FAT=y >> +CONFIG_ENV_FAT_INTERFACE="mmc" >> +CONFIG_ENV_FAT_DEVICE_AND_PART="0:1" >> +CONFIG_SYS_RELOC_GD_ENV_ADDR=y >> +CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y >> +# CONFIG_NET is not set >> +CONFIG_SPL_DM=y >> +# CONFIG_DM_DEVICE_REMOVE is not set >> +CONFIG_LED=y >> +CONFIG_LED_BLINK=y >> +CONFIG_LED_GPIO=y >> +CONFIG_MMC=y >> +CONFIG_DM_MMC=y >> +# CONFIG_MMC_HW_PARTITIONING is not set >> +CONFIG_MMC_MTK=y >> +CONFIG_MTD=y >> +CONFIG_SPI_FLASH_SFDP_SUPPORT=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 is not set >> +# CONFIG_RAM_ROCKCHIP_DEBUG is not set >> +CONFIG_SPECIFY_CONSOLE_INDEX=y >> +CONFIG_CONS_INDEX=3 >> +CONFIG_SPI=y >> +CONFIG_MT7621_SPI=y >> +CONFIG_USB=y >> +CONFIG_DM_USB=y >> +CONFIG_USB_EHCI_HCD=y >> +CONFIG_USB_EHCI_GENERIC=y >> +CONFIG_USB_STORAGE=y >> +CONFIG_WDT=y >> +CONFIG_WDT_MT7621=y >> +CONFIG_FS_EXT4=y >> +CONFIG_LZMA=y >> +CONFIG_LZO=y >> +CONFIG_FDT_FIXUP_PARTITIONS=y >> diff --git a/include/configs/vocore2.h b/include/configs/vocore2.h >> new file mode 100644 >> index 0000000000..602a78d0d5 >> --- /dev/null >> +++ b/include/configs/vocore2.h >> @@ -0,0 +1,66 @@ >> +/* SPDX-License-Identifier: GPL-2.0+ */ >> +/* >> + * Copyright (C) 2019 Mauro Condarelli <mc5...@mclink.it> >> + */ >> + >> +#ifndef __VOCORE2_CONFIG_H__ >> +#define __VOCORE2_CONFIG_H__ >> + >> +/* CPU */ >> +#define CONFIG_SYS_MIPS_TIMER_FREQ 290000000 >> + >> +/* RAM */ >> +#define CONFIG_SYS_SDRAM_BASE 0x80000000 >> + >> +#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + 0x100000 >> + >> +#define CONFIG_SYS_INIT_SP_OFFSET 0x400000 >> + >> +/* SPL */ >> +#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD) >> +#define CONFIG_SKIP_LOWLEVEL_INIT >> +#endif >> + >> +#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE >> +#define CONFIG_SPL_BSS_START_ADDR 0x80010000 >> +#define CONFIG_SPL_BSS_MAX_SIZE 0x10000 >> +#define CONFIG_SPL_MAX_SIZE 0x10000 >> + >> +/* Dummy value */ >> +#define CONFIG_SYS_UBOOT_BASE 0 >> + >> +/* Serial SPL */ >> +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_SERIAL_SUPPORT) >> +#define CONFIG_SYS_NS16550_MEM32 >> +#define CONFIG_SYS_NS16550_CLK 40000000 >> +#define CONFIG_SYS_NS16550_REG_SIZE -4 >> +#define CONFIG_SYS_NS16550_COM3 0xb0000e00 >> +#define CONFIG_CONS_INDEX 3 >> + >> +#endif >> + >> +/* UART */ >> +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, >> 115200, \ >> + 230400, 460800, 921600 } >> + >> +/* RAM */ >> +#define CONFIG_SYS_MEMTEST_START 0x80100000 >> +#define CONFIG_SYS_MEMTEST_END 0x80400000 >> + >> +/* Memory usage */ >> +#define CONFIG_SYS_MAXARGS 64 >> +#define CONFIG_SYS_MALLOC_LEN (1024 * 1024) >> +#define CONFIG_SYS_BOOTPARAMS_LEN (128 * 1024) >> +#define CONFIG_SYS_CBSIZE 512 > > Nitpicking: > Again, I suspect that checkpatch will complain about this alignment / > indentation. Please change. > >> + >> +/* U-Boot */ >> +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE >> + >> +/* Environment settings */ >> +#if defined(CONFIG_MTDIDS_DEFAULT) && defined(CONFIG_MTDPARTS_DEFAULT) >> +#define CONFIG_EXTRA_ENV_SETTINGS \ >> + "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ >> + "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" >> +#endif > > Is this really needed? > >> + >> +#endif//__VOCORE2_CONFIG_H__ > > Again, here as well. checkpatch will complain about the missing spaces. > > Thanks, > Stefan >