linux下命令繁多，為了能夠?qū)⒆约航佑|的命令管理起來锤灿，只能通過筆記的形式挽拔。
對于用到的命令不問前因后果，只要實現(xiàn)就暫時記錄但校。
熟知所有需要慢慢來螃诅。
查看QSPI Flash分區(qū)
root@localhost:/proc# cat mtd
dev: size erasesize name
mtd0: 00080000 00001000 "qspi-boot"
mtd1: 00020000 00001000 "qspi-bootenv"
mtd2: 00460000 00001000 "qspi-bitstream"
mtd3: 00480000 00001000 "qspi-kernel"
mtd4: 00010000 00001000 "qspi-devicetree"
mtd5: 00600000 00001000 "qspi-rootfs"
mtd6: 00070000 00001000 "data"
查看中斷號
root@localhost:/proc# cat interrupts
CPU0 CPU1
29: 15288 10795 GIC 29 twd
35: 0 0 GIC 35 f800c000.ocmc
39: 43 0 GIC 39 f8007100.adc
40: 0 0 GIC 40 f8007000.devcfg
41: 0 0 GIC 41 f8005000.watchdog
43: 258291 0 GIC 43 ttc_clockevent
45: 0 0 GIC 45 f8003000.dmac
46: 0 0 GIC 46 f8003000.dmac
47: 0 0 GIC 47 f8003000.dmac
48: 0 0 GIC 48 f8003000.dmac
49: 0 0 GIC 49 f8003000.dmac
51: 3 0 GIC 51 e000d000.spi
53: 0 0 GIC 53 ehci_hcd:usb1
......
查看設(shè)備
Character devices:
1 mem
4 /dev/vc/0
4 tty
5 /dev/tty
5 /dev/console
5 /dev/ptmx
7 vcs
10 misc
13 input
21 sg
......
Block devices:
1 ramdisk
259 blkext
7 loop
8 sd
31 mtdblock
65 sd
