Alnx development board u-boot porting_config zynq gem=y-优快云博客

本文链接：https://blog.youkuaiyun.com/zkmrobot/article/details/83089296

stetp1: add the new default configure file

~/configs/zynq_ax7020_defconfig

1 CONFIG_ARM=y
2 CONFIG_SYS_CONFIG_NAME="zynq_ax7020"
3 CONFIG_ARCH_ZYNQ=y
4 CONFIG_DEFAULT_DEVICE_TREE="zynq-ax7020"
5 CONFIG_SPL=y
6 CONFIG_FIT=y
7 CONFIG_FIT_VERBOSE=y
8 CONFIG_FIT_SIGNATURE=y
9 CONFIG_SYS_NO_FLASH=y
10 CONFIG_HUSH_PARSER=y
11 CONFIG_SYS_PROMPT="Zynq> "
12 # CONFIG_CMD_IMLS is not set
13 # CONFIG_CMD_FLASH is not set
14 CONFIG_CMD_MMC=y
15 CONFIG_CMD_SF=y
16 CONFIG_CMD_I2C=y
17 CONFIG_CMD_USB=y
18 CONFIG_CMD_DFU=y
19 CONFIG_CMD_GPIO=y
20 # CONFIG_CMD_SETEXPR is not set
21 CONFIG_CMD_TFTPPUT=y
22 CONFIG_CMD_DHCP=y
23 CONFIG_CMD_MII=y
24 CONFIG_CMD_PING=y
25 CONFIG_CMD_CACHE=y
26 CONFIG_CMD_EXT2=y
27 CONFIG_CMD_EXT4=y
28 CONFIG_CMD_EXT4_WRITE=y
29 CONFIG_CMD_FAT=y
30 CONFIG_CMD_FS_GENERIC=y
31 CONFIG_OF_EMBED=y
32 CONFIG_NET_RANDOM_ETHADDR=y

33 CONFIG_SPL_DM_SEQ_ALIAS=y
34 CONFIG_ZYNQ_SDHCI=y
35 CONFIG_SPI_FLASH=y
36 CONFIG_SPI_FLASH_BAR=y
37 CONFIG_SPI_FLASH_SPANSION=y
38 CONFIG_ZYNQ_GEM=y
39 CONFIG_DEBUG_UART=y
40 CONFIG_DEBUG_UART_ZYNQ=y
41 CONFIG_DEBUG_UART_BASE=0xe0001000
42 CONFIG_DEBUG_UART_CLOCK=50000000
43 CONFIG_ZYNQ_QSPI=y
44 CONFIG_USB=y
45 CONFIG_USB_EHCI_HCD=y
46 CONFIG_USB_ULPI_VIEWPORT=y
47 CONFIG_USB_ULPI=y

step2: add the new include file

~/include/configs/zynq_ax7020.h

/*
2 * (C) Copyright 2014 ALINX Inc.
3 *
4 * Configuration for Zynq Development Board - AX7010/AX7020
5 * See zynq-common.h for Zynq common configs
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10 #ifndef __CONFIG_ZYNQ_AX7020_H
11 #define __CONFIG_ZYNQ_AX7020_H
12
13 #define CONFIG_ZYNQ_I2C0
14 #define CONFIG_ZYNQ_I2C1
15 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
16 #define CONFIG_CMD_EEPROM
17 #define CONFIG_ZYNQ_GEM_EEPROM_ADDR 0x50
18 #define CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET 0xFA
19 #define CONFIG_DISPLAY
20 #define CONFIG_I2C_EDID
21
22 /* Define AX7010/AX7020 PS Clock Frequency to 33.333333MHz */
23 #define CONFIG_ZYNQ_PS_CLK_FREQ 33333333UL
24
25 #define CONFIG_EXTRA_ENV_SETTINGS   \
26     "ethaddr=00:0a:35:00:01:22\0"   \
27     "kernel_image=uImage\0" \
28     "kernel_load_address=0x2080000\0" \
29     "ramdisk_image=uramdisk.image.gz\0" \
30     "ramdisk_load_address=0x4000000\0" \
31     "devicetree_image=devicetree.dtb\0" \
32     "devicetree_load_address=0x2000000\0"   \
33     "bitstream_image=system.bit.bin\0" \
34     "boot_image=BOOT.bin\0" \
35     "loadbit_addr=0x100000\0"   \
36     "loadbootenv_addr=0x2000000\0" \
37     "kernel_size=0x500000\0"    \
38     "devicetree_size=0x20000\0" \
39     "ramdisk_size=0x5E0000\0"   \
40     "boot_size=0xF00000\0" \
41     "fdt_high=0x20000000\0" \
42     "initrd_high=0x20000000\0" \
43     "bootenv=uEnv.txt\0" \
44     "loadbootenv=load mmc 0 ${loadbootenv_addr} ${bootenv}\0" \
45     "importbootenv=echo Importing environment from SD ...; " \
46         "env import -t ${loadbootenv_addr} $filesize\0" \

47     "sd_uEnvtxt_existence_test=test -e mmc 0 /uEnv.txt\0" \
48     "preboot=if test $modeboot = sdboot && env run sd_uEnvtxt_existence_test; " \
49             "then if env run loadbootenv; " \
50                 "then env run importbootenv; " \
51             "fi; " \
52         "fi; \0" \
53     "mmc_loadbit=echo Loading bitstream from SD/MMC/eMMC to RAM.. && " \
54         "mmcinfo && " \
55         "load mmc 0 ${loadbit_addr} ${bitstream_image} && " \
56         "fpga load 0 ${loadbit_addr} ${filesize}\0" \
57     "norboot=echo Copying Linux from NOR flash to RAM... && " \
58         "cp.b 0xE2100000 ${kernel_load_address} ${kernel_size} && " \
59         "cp.b 0xE2600000 ${devicetree_load_address} ${devicetree_size} && " \
60         "echo Copying ramdisk... && " \
61         "cp.b 0xE2620000 ${ramdisk_load_address} ${ramdisk_size} && " \
62         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
63     "qspiboot=echo Copying Linux from QSPI flash to RAM... && " \
64         "sf probe 0 0 0 && " \
65         "sf read ${kernel_load_address} 0x100000 ${kernel_size} && " \
66         "sf read ${devicetree_load_address} 0x600000 ${devicetree_size} && " \
67         "echo Copying ramdisk... && " \
68         "sf read ${ramdisk_load_address} 0x620000 ${ramdisk_size} && " \
69         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
70     "uenvboot=" \
71         "if run loadbootenv; then " \
72             "echo Loaded environment from ${bootenv}; " \
73             "run importbootenv; " \
74         "fi; " \
75         "if test -n $uenvcmd; then " \
76             "echo Running uenvcmd ...; " \
77             "run uenvcmd; " \
78         "fi\0" \
79     "sdboot=if mmcinfo; then " \
80             "run uenvboot; " \
81             "echo Copying Linux from SD to RAM... && " \
82             "load mmc 0 ${kernel_load_address} ${kernel_image} && " \
83             "load mmc 0 ${devicetree_load_address} ${devicetree_image} && " \
84             "bootm ${kernel_load_address} - ${devicetree_load_address}; " \
85         "fi\0" \
86     "usbboot=if usb start; then " \
87             "run uenvboot; " \
88             "echo Copying Linux from USB to RAM... && " \
89             "load usb 0 ${kernel_load_address} ${kernel_image} && " \
90             "load usb 0 ${devicetree_load_address} ${devicetree_image} && " \

91             "load usb 0 ${ramdisk_load_address} ${ramdisk_image} && " \
92             "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}; " \
93         "fi\0" \
94     "nandboot=echo Copying Linux from NAND flash to RAM... && " \
95         "nand read ${kernel_load_address} 0x100000 ${kernel_size} && " \
96         "nand read ${devicetree_load_address} 0x600000 ${devicetree_size} && " \
97         "echo Copying ramdisk... && " \
98         "nand read ${ramdisk_load_address} 0x620000 ${ramdisk_size} && " \
99         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
100     "jtagboot=echo TFTPing Linux to RAM... && " \
101         "tftpboot ${kernel_load_address} ${kernel_image} && " \
102         "tftpboot ${devicetree_load_address} ${devicetree_image} && " \
103         "tftpboot ${ramdisk_load_address} ${ramdisk_image} && " \
104         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
105     "rsa_norboot=echo Copying Image from NOR flash to RAM... && " \
106         "cp.b 0xE2100000 0x100000 ${boot_size} && " \
107         "zynqrsa 0x100000 && " \
108         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
109     "rsa_nandboot=echo Copying Image from NAND flash to RAM... && " \
110         "nand read 0x100000 0x0 ${boot_size} && " \
111         "zynqrsa 0x100000 && " \
112         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
113     "rsa_qspiboot=echo Copying Image from QSPI flash to RAM... && " \
114         "sf probe 0 0 0 && " \
115         "sf read 0x100000 0x0 ${boot_size} && " \
116         "zynqrsa 0x100000 && " \
117         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
118     "rsa_sdboot=echo Copying Image from SD to RAM... && " \
119         "load mmc 0 0x100000 ${boot_image} && " \
120         "zynqrsa 0x100000 && " \
121         "bootm ${kernel_load_address} ${ramdisk_load_address} ${devicetree_load_address}\0" \
122
123 #include <configs/zynq-common.h>
124
125 #endif

step3: add device tree

~/arch/arm/dts/zynq-ax7020.dts

1 /*
2 * ALINX AX7020 board DTS
3 *
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7 /dts-v1/;
8 #include "zynq-7000.dtsi"
9
10 / {
11     model = "ALINX AX7020 Development Board";
12     compatible = "ALINX,zynq", "xlnx,zynq-7000";
13
14     aliases {
15         ethernet0 = &gem0;
16         serial0 = &uart1;
17         spi0 = &qspi;
18         mmc0 = &sdhci0;
19     };
20
21     memory {
22         device_type = "memory";
23         reg = <0x0 0x40000000>;
24     };
25
26     chosen {
27         bootargs = "";
28         stdout-path = "serial0:115200n8";
29     };
30
31     usb_phy0: phy0 {
32         compatible = "usb-nop-xceiv";
33         #phy-cells = <0>;
34         reset-gpios = <&gpio0 46 1>;
35     };
36 };
37
38 &clkc {
39     ps-clk-frequency = <33333333>;
40 };
41

42 &gem0 {
43     status = "okay";
44     phy-mode = "rgmii-id";
45     phy-handle = <&ethernet_phy>;
46
47     ethernet_phy: ethernet-phy@0 {
48         reg = <0>;
49     };
50 };
51
52 &qspi {
53     u-boot,dm-pre-reloc;
54     status = "okay";
55 };
56
57 &sdhci0 {
58     u-boot,dm-pre-reloc;
59     status = "okay";
60 };
61
62 &uart1 {
63     u-boot,dm-pre-reloc;
64     status = "okay";
65 };
66
67 &usb0 {
68     status = "okay";
69     dr_mode = "host";
70     usb-phy = <&usb_phy0>;
71 };