[PATCH 16/16] mips: mtmips: add support for mt7628-rfb
Stefan Roese
sr at denx.de
Fri Jan 10 15:34:41 CET 2020
On 08.01.20 04:02, Weijie Gao wrote:
> This patch adds support for mt7628 reference board
>
> Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
> ---
> arch/mips/dts/Makefile | 1 +
> arch/mips/dts/mediatek,mt7628-rfb-u-boot.dtsi | 24 +++++
> arch/mips/dts/mediatek,mt7628-rfb.dts | 67 ++++++++++++
> arch/mips/mach-mtmips/Kconfig | 9 ++
> board/mediatek/mt7628/Kconfig | 12 +++
> board/mediatek/mt7628/MAINTAINERS | 8 ++
> board/mediatek/mt7628/Makefile | 4 +
> board/mediatek/mt7628/board.c | 25 +++++
> board/mediatek/mt7628/spl_load.c | 102 ++++++++++++++++++
> configs/mt7628_rfb_defconfig | 47 ++++++++
> include/configs/mt7628.h | 57 ++++++++++
> 11 files changed, 356 insertions(+)
> create mode 100644 arch/mips/dts/mediatek,mt7628-rfb-u-boot.dtsi
> create mode 100644 arch/mips/dts/mediatek,mt7628-rfb.dts
> create mode 100644 board/mediatek/mt7628/Kconfig
> create mode 100644 board/mediatek/mt7628/MAINTAINERS
> create mode 100644 board/mediatek/mt7628/Makefile
> create mode 100644 board/mediatek/mt7628/board.c
> create mode 100644 board/mediatek/mt7628/spl_load.c
> create mode 100644 configs/mt7628_rfb_defconfig
> create mode 100644 include/configs/mt7628.h
>
> diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
> index c9d75596f2..cbd0c8bc8b 100644
> --- a/arch/mips/dts/Makefile
> +++ b/arch/mips/dts/Makefile
> @@ -17,6 +17,7 @@ dtb-$(CONFIG_BOARD_COMTREND_CT5361) += comtrend,ct-5361.dtb
> dtb-$(CONFIG_BOARD_COMTREND_VR3032U) += comtrend,vr-3032u.dtb
> dtb-$(CONFIG_BOARD_COMTREND_WAP5813N) += comtrend,wap-5813n.dtb
> dtb-$(CONFIG_BOARD_HUAWEI_HG556A) += huawei,hg556a.dtb
> +dtb-$(CONFIG_BOARD_MT7628_RFB) += mediatek,mt7628-rfb.dtb
> dtb-$(CONFIG_BOARD_NETGEAR_CG3100D) += netgear,cg3100d.dtb
> dtb-$(CONFIG_BOARD_NETGEAR_DGND3700V2) += netgear,dgnd3700v2.dtb
> dtb-$(CONFIG_BOARD_SAGEM_FAST1704) += sagem,f at st1704.dtb
> diff --git a/arch/mips/dts/mediatek,mt7628-rfb-u-boot.dtsi b/arch/mips/dts/mediatek,mt7628-rfb-u-boot.dtsi
> new file mode 100644
> index 0000000000..213959105f
> --- /dev/null
> +++ b/arch/mips/dts/mediatek,mt7628-rfb-u-boot.dtsi
> @@ -0,0 +1,24 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2020 MediaTek Inc.
> + *
> + * Author: Weijie Gao <weijie.gao at mediatek.com>
> + */
> +
> +/ {
> + binman {
> + filename = "u-boot-mtmips.bin";
> + pad-byte = <0xff>;
> +
> +#ifdef CONFIG_SPL
> + u-boot-spl {
> + };
> +
> + u-boot-lzma-img {
> + };
> +#else
> + u-boot {
> + };
> +#endif
> + };
> +};
> diff --git a/arch/mips/dts/mediatek,mt7628-rfb.dts b/arch/mips/dts/mediatek,mt7628-rfb.dts
> new file mode 100644
> index 0000000000..a0cca4f5ba
> --- /dev/null
> +++ b/arch/mips/dts/mediatek,mt7628-rfb.dts
> @@ -0,0 +1,67 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2020 MediaTek Inc.
> + *
> + * Author: Weijie Gao <weijie.gao at mediatek.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "mt7628.dtsi"
> +
> +/ {
> + compatible = "mediatek,mt7628-rfb", "ralink,mt7628a-soc";
> + model = "MediaTek MT7628 RFB";
> +
> + aliases {
> + serial0 = &uart0;
> + spi0 = &spi0;
> + };
> +
> + chosen {
> + stdout-path = &uart0;
> + };
> +};
> +
> +&pinctrl {
> + state_default: pin_state {
> + pleds {
> + groups = "p0led", "p1led", "p2led", "p3led", "p4led";
> + function = "led";
> + };
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +&spi0 {
> + status = "okay";
> + num-cs = <2>;
> +
> + spi-flash at 0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "jedec,spi-nor";
> + spi-max-frequency = <25000000>;
> + reg = <0>;
> + };
> +};
> +
> +ð {
> + mediatek,wan-port = <0>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&ephy_router_mode>;
> +};
> +
> +&mmc {
> + bus-width = <4>;
> + cap-sd-highspeed;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&sd_router_mode>;
> +
> + status = "okay";
> +};
> diff --git a/arch/mips/mach-mtmips/Kconfig b/arch/mips/mach-mtmips/Kconfig
> index 7c674ecb2b..a9fec619b9 100644
> --- a/arch/mips/mach-mtmips/Kconfig
> +++ b/arch/mips/mach-mtmips/Kconfig
> @@ -47,6 +47,14 @@ endchoice
> choice
> prompt "Board select"
>
> +config BOARD_MT7628_RFB
> + bool "MediaTek MT7628 RFB"
> + depends on SOC_MT7628
> + help
> + The reference design of MT7628. The board has 128 MiB DDR2, 8 MiB
> + 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_GARDENA_SMART_GATEWAY_MT7688
> bool "GARDENA smart Gateway"
> depends on SOC_MT7628
> @@ -69,5 +77,6 @@ endchoice
>
> source "board/gardena/smart-gateway-mt7688/Kconfig"
> source "board/seeed/linkit-smart-7688/Kconfig"
> +source "board/mediatek/mt7628/Kconfig"
Please keep the list alphabetically sorted.
>
> endmenu
> diff --git a/board/mediatek/mt7628/Kconfig b/board/mediatek/mt7628/Kconfig
> new file mode 100644
> index 0000000000..d6b6f9d632
> --- /dev/null
> +++ b/board/mediatek/mt7628/Kconfig
> @@ -0,0 +1,12 @@
> +if BOARD_MT7628_RFB
> +
> +config SYS_BOARD
> + default "mt7628"
> +
> +config SYS_VENDOR
> + default "mediatek"
> +
> +config SYS_CONFIG_NAME
> + default "mt7628"
> +
> +endif
> diff --git a/board/mediatek/mt7628/MAINTAINERS b/board/mediatek/mt7628/MAINTAINERS
> new file mode 100644
> index 0000000000..e690a3e934
> --- /dev/null
> +++ b/board/mediatek/mt7628/MAINTAINERS
> @@ -0,0 +1,8 @@
> +MT7628_RFB BOARD
> +M: Weijie Gao <weijie.gao at mediatek.com>
> +S: Maintained
> +F: board/mediatek/mt7628
> +F: include/configs/mt7628.h
> +F: configs/mt7628_rfb_defconfig
> +F: arch/mips/dts/mediatek,mt7628-rfb.dts
> +F: arch/mips/dts/mediatek,mt7628-rfb-u-boot.dtsi
> diff --git a/board/mediatek/mt7628/Makefile b/board/mediatek/mt7628/Makefile
> new file mode 100644
> index 0000000000..9e3aa19ac3
> --- /dev/null
> +++ b/board/mediatek/mt7628/Makefile
> @@ -0,0 +1,4 @@
> +# SPDX-License-Identifier: GPL-2.0
> +
> +obj-y += board.o
> +obj-$(CONFIG_SPL_BUILD) += spl_load.o
> diff --git a/board/mediatek/mt7628/board.c b/board/mediatek/mt7628/board.c
> new file mode 100644
> index 0000000000..643caf5d3f
> --- /dev/null
> +++ b/board/mediatek/mt7628/board.c
> @@ -0,0 +1,25 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
> + *
> + * Author: Weijie Gao <weijie.gao at mediatek.com>
> + */
> +
> +#include <common.h>
> +#include <linux/sizes.h>
> +#include <asm/io.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +void spl_board_init(void)
> +{
> + /*
> + * The original locked cache for initial stack is very small and can't
> + * hold large malloc buffer.
> + * But lzma decompression needs a buffer > 64KiB. So we have to
> + * relocate the malloc region here before decompression.
> + */
> + gd->malloc_base = CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET;
> + gd->malloc_limit = SZ_512K;
> + gd->malloc_ptr = 0;
> +}
Perhaps it makes sense to move this code into a MT7628 common location,
so that I can be reused by other boards as well.
> diff --git a/board/mediatek/mt7628/spl_load.c b/board/mediatek/mt7628/spl_load.c
> new file mode 100644
> index 0000000000..0e4ec2675e
> --- /dev/null
> +++ b/board/mediatek/mt7628/spl_load.c
> @@ -0,0 +1,102 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
> + *
> + * Author: Weijie Gao <weijie.gao at mediatek.com>
> + */
> +
> +#include <common.h>
> +#include <cpu_func.h>
> +#include <asm/sections.h>
> +#include <linux/sizes.h>
> +#include <lzma/LzmaTypes.h>
> +#include <lzma/LzmaDec.h>
> +#include <lzma/LzmaTools.h>
> +#include <spl.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#ifndef CONFIG_SYS_BOOTM_LEN
> +/* use 8MiB as default max uncompress size */
> +#define CONFIG_SYS_BOOTM_LEN SZ_8M
> +#endif
> +
> +static int spl_try_load_image(struct spl_image_info *spl_image,
> + void *image_addr)
> +{
> + int ret;
> + uintptr_t dataptr;
> + struct image_header hdr;
> + SizeT lzma_len;
> +
> + memcpy(&hdr, (const void *)image_addr, sizeof(hdr));
> +
> + ret = spl_parse_image_header(spl_image, &hdr);
> +
> + if (ret)
> + return ret;
> +
> + if (!spl_image->entry_point)
> + spl_image->entry_point = spl_image->load_addr;
> +
> + dataptr = image_addr + sizeof(hdr);
> +
> + if (hdr.ih_comp == IH_COMP_NONE) {
> + /*
> + * Load real U-Boot from its location to its
> + * defined location in SDRAM
> + */
> +
> + if (spl_image->load_addr != dataptr) {
> + memmove((void *)spl_image->load_addr, (void *)dataptr,
> + spl_image->size);
> + }
> + }
> +#ifdef CONFIG_SPL_LZMA
> + else if (hdr.ih_comp == IH_COMP_LZMA) {
> + /*
> + * Uncompress real U-Boot to its defined location in SDRAM
> + */
> + lzma_len = CONFIG_SYS_BOOTM_LEN;
> +
> + ret = lzmaBuffToBuffDecompress((u8 *)spl_image->load_addr,
> + &lzma_len, (u8 *)dataptr,
> + spl_image->size);
> +
> + if (ret) {
> + printf("Error: LZMA uncompression error: %d\n", ret);
> + return ret;
> + }
> +
> + spl_image->size = lzma_len;
> + }
> +#endif /* CONFIG_SPL_LZMA */
> + else {
> + debug("Warning: Unsupported compression method found in image "
> + "header at offset 0x%p\n", image_addr);
> + return -EINVAL;
> + }
> +
> + flush_cache((unsigned long)spl_image->load_addr, spl_image->size);
> +
> + return 0;
> +}
> +
> +static int spl_mtk_nor_load_image(struct spl_image_info *spl_image,
> + struct spl_boot_device *bootdev)
> +{
> + ulong search_start = (ulong)__image_copy_end;
> +
> + /*
> + * Loading of the payload to SDRAM is done with skipping of
> + * the mkimage header
> + */
> + spl_image->flags |= SPL_COPY_PAYLOAD_ONLY;
> +
> + /* Try to boot without padding */
> + if (!spl_try_load_image(spl_image, (void *)search_start))
> + return 0;
> +
> + return -EINVAL;
> +}
> +SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_mtk_nor_load_image);
Again, lets move this code into a common location for reuse of the
other MT76x8 boards.
> diff --git a/configs/mt7628_rfb_defconfig b/configs/mt7628_rfb_defconfig
> new file mode 100644
> index 0000000000..94e26db4c6
> --- /dev/null
> +++ b/configs/mt7628_rfb_defconfig
> @@ -0,0 +1,47 @@
> +CONFIG_MIPS=y
> +CONFIG_SPL_LIBCOMMON_SUPPORT=y
> +CONFIG_SPL_LIBGENERIC_SUPPORT=y
> +CONFIG_SPL_SERIAL_SUPPORT=y
> +CONFIG_ENV_SIZE=0x1000
> +CONFIG_ENV_OFFSET=0x30000
> +CONFIG_SPL_SYS_MALLOC_F_LEN=0x100
> +CONFIG_NR_DRAM_BANKS=1
> +CONFIG_SPL=y
> +CONFIG_ENV_SECT_SIZE=0x10000
> +CONFIG_ARCH_MTMIPS=y
> +CONFIG_RESTORE_EXCEPTION_VECTOR_BASE=y
> +CONFIG_MIPS_BOOT_FDT=y
> +CONFIG_FIT=y
> +# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
> +CONFIG_USE_BOOTCOMMAND=y
> +CONFIG_BOOTCOMMAND="bootm 0x9c050000"
> +CONFIG_SYS_CONSOLE_INFO_QUIET=y
> +CONFIG_SPL_BOARD_INIT=y
> +CONFIG_SPL_SYS_MALLOC_SIMPLE=y
> +# CONFIG_CMD_ELF is not set
> +# CONFIG_CMD_XIMG is not set
> +# CONFIG_CMD_CRC32 is not set
> +# CONFIG_CMD_DM is not set
> +CONFIG_CMD_GPIO=y
> +# CONFIG_CMD_LOADS is not set
> +CONFIG_CMD_SPI=y
> +# CONFIG_CMD_NFS is not set
> +# CONFIG_PARTITIONS is not set
> +CONFIG_DEFAULT_DEVICE_TREE="mediatek,mt7628-rfb"
> +CONFIG_ENV_IS_IN_SPI_FLASH=y
> +CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> +CONFIG_NET_RANDOM_ETHADDR=y
> +# CONFIG_INPUT is not set
> +CONFIG_SPI_FLASH_EON=y
> +CONFIG_SPI_FLASH_GIGADEVICE=y
> +CONFIG_SPI_FLASH_ISSI=y
> +CONFIG_SPI_FLASH_MACRONIX=y
> +CONFIG_SPI_FLASH_SPANSION=y
> +CONFIG_SPI_FLASH_STMICRO=y
> +CONFIG_SPI_FLASH_WINBOND=y
> +CONFIG_SPI_FLASH_XMC=y
> +CONFIG_MT7628_ETH=y
> +CONFIG_SPI=y
> +CONFIG_MT7621_SPI=y
> +CONFIG_LZMA=y
> +CONFIG_SPL_LZMA=y
> diff --git a/include/configs/mt7628.h b/include/configs/mt7628.h
> new file mode 100644
> index 0000000000..4467dace62
> --- /dev/null
> +++ b/include/configs/mt7628.h
> @@ -0,0 +1,57 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (C) 2020 MediaTek Inc.
> + *
> + * Author: Weijie Gao <weijie.gao at mediatek.com>
> + */
> +
> +#ifndef __CONFIG_MT7628_H
> +#define __CONFIG_MT7628_H
> +
> +#define CONFIG_SYS_HZ 1000
> +#define CONFIG_SYS_MIPS_TIMER_FREQ 290000000
> +
> +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
> +
> +#define CONFIG_SYS_MALLOC_LEN 0x100000
> +#define CONFIG_SYS_BOOTPARAMS_LEN 0x20000
> +
> +#define CONFIG_SYS_SDRAM_BASE 0x80000000
> +#define CONFIG_SYS_LOAD_ADDR 0x80010000
> +
> +#define CONFIG_SYS_INIT_SP_OFFSET 0x80000
> +
> +#define CONFIG_SYS_BOOTM_LEN 0x1000000
> +
> +#define CONFIG_SYS_MAXARGS 16
> +#define CONFIG_SYS_CBSIZE 1024
> +
> +/* Network */
> +#define CONFIG_IPADDR 192.168.1.1
> +#define CONFIG_SERVERIP 192.168.1.2
> +#define CONFIG_NETMASK 255.255.255.0
Usually its frowned upon adding such IP pre-sets to the config header.
> +
> +/* 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_COM1 0xb0000c00
> +#define CONFIG_CONS_INDEX 1
> +#endif
> +
> +/* Serial common */
> +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, \
> + 230400, 460800, 921600 }
> +
> +/* 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 0x8000
> +
> +#endif /* __CONFIG_MT7628_H */
Thanks,
Stefan
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