主题中讨论的其他部件: AM5728
您好,Champs:
软件:06.03 00.106-Linux-x86-Install.bin
客户将AM5716 GPMC连接到FPGA。 从内核日志中,似乎GPMC已正确初始化,但只有地址信号输出,没有CS和其他控制信号输出。
以下是内核日志:
[ GPMC] devices_kset:正在将2.24.4863万 移动到列表末尾
[ 2.24.4872万 GPMC]平台5000万.GPMC:正在从延迟列表重试
[ 2.24.4894万 GPMC]总线:'platform':driver_probe_device:匹配器件5000万.GPMC与驱动器OMAP-GPMC
[ 2.24.4901万 GPMC]总线:'platform':fety_probe:探查驱动程序OMAP-GPMC与设备5000万.GPMC
[ 2.24.505万 OMAP-GPMC 5000万.GPMC:无初始化控制状态
[ 2.24.5079万 OMAP-GPMC 5000万.GPMC:无空闲pinctrl状态
[ GPMC] OMAP-GPMC 50万.GPMC:2.24.5253万 修订版6.0
[ 2.25.042万 GPMC_mem_init:禁用在0x0-0x100万处映射的cs 0
[ GPIO ]GPIO gpiochip8:(OMAP-GPMC):添加的2.25.6722万 chardev (254:8)
[ GPI] gpiochip_setup_dev:在设备上注册的2.25.6801万 510至511:gpiochip8 (OMAP-GPMC)
[ GPMC] 2.25.699万 CS3早于GPMC_CS_PROGRAM SETTINGS:
[ GPMC] 2.28.7258万 CS3访问配置:
[ GPMC] 2.29.1371万 ,mix-add-data =<2>;
[ GPMC] 2.29.496万 ,device-width =<2>;
[ GPMC] 2.29.8548万 ,等待PIN =<0>;
[ GPMC] 2.30.1789万 ,burst-length =<4>;
[ GPMC] 2.30.5381万 ,cycle2cycle-samecsen =<1>;
[ GPMC] 2.32.341万 CS3计时配置:
[ GPMC] 2.33.3096万 ,cs-on - ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.34.2264万 ,cs-rd-off-ns =<60>;/* 57 ns - 60 ns;16 ticks */
[ GPMC] 2.34.8559万 ,cs-wr-off-ns =<60>;/* 57 ns - 60 ns;16 ticks */
[ GPMC] 2.35.4867万 ,Adv-On-ns =<3>;/* 1 ns-3 ns;1 tick */
[ GPMC] 2.36.055万 ,adv-rd-off-ns =<11>;/* 8 ns - 11 ns;3 ticks */
[ GPMC] 2.36.6766万 ,Adv-wr-off-ns =<11>;/* 8 ns - 11 ns;3 ticks */
[ GPMC] 2.37.2973万 ,Adv-aad-mux-on-ns =<0>;/* 0 ns-0 ns;0 ticks */
[ GPMC] 2.37.9354万 ,Ad-aad-mix-rd-off-ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.38.6084万 ,Adv-aad-mux-wr-off-ns =<0>;/* 0 ns-0 ns;0 ticks */
[ GPMC] 2.39.2814万 ,OE接通- ns =<15>;/* 12 ns - 15 ns;4 tick */
[ GPMC] 2.39.8672万 ,OE - off-ns =<60>;/* 57 ns - 60 ns;16 tick */
[ GPMC] 2.40.4703万 ,OE-aad-mix-On -ns =<0>;/* 0 ns - 0 ns;0 tick */
[ GPMC] 2.41.0995万 ,OE-aad-mix-off-ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.41.7376万 ,WE-ON - ns =<15>;/* 12 ns - 15 ns;4 ticks */
[ GPMC] 2.42.3232万 ,WE-off-ns =<60>;/* 57 ns - 60 ns;16 ticks */
[ GPMC] 2.42.9264万 ,rd-cycle-ns =<60>;/* 57 ns - 60 ns;16 ticks */
[ 2.43.5471万 gpmc] gpmc,wr-cycle-ns =<60>;/* 57 ns -60 ns;16 ticks */
[ GPMC] 2.44.1676万 ,access-ns =<45>;/* 42 ns -45 ns;12 ticks */
[ GPMC] 2.44.7707万 ,page-burst-access-ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.45.4349万 ,bus-talne-ns =<0>;/* 0 ns - 0 ns;0 tick */
[ GPMC] 2.46.0729万 ,cycle2cycle-delay-ns =<7>;/* 4 ns - 7 ns;2 ticks */
[ GPMC] 2.46.7371万 ,wait-monitoring-ns =<0>;/* 0 ns - 0 ns;0 tick */
[ GPMC] 2.47.3838万 ,clk-activation-ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.48.0217万 ,wr-data-mix-bus-ns =<26>;/* 23 ns -26 ns;7 tick */
[ 2.48.6947万 gpmc,wr-access-ns =<30>;/* 27 ns -30 ns;8 ticks */
[ GPMC] 2.68.5761万 CS3在GPMC_CS_Set_Timings之后:
[ GPMC] 2.71.5498万 CS3访问配置:
[ GPMC] 2.71.9609万 ,mix-add-data =<2>;
[ GPMC] 2.72.3195万 ,device-width =<2>;
[ GPMC] 2.72.6783万 ,等待PIN =<0>;
[ GPMC] 2.73.0022万 ,burst-length =<4>;
[ GPMC] 2.73.361万 ,cycle2cycle-samecsen =<1>;
[ GPMC] 2.73.7895万 CS3计时配置:
[ GPMC] 2.74.2094万 ,cs-on - ns =<3>;/* 1 ns - 3 ns;1 tick *
[ GPMC] 2.74.7689万 ,cs-rd-off-ns =<112>;/* 110 ns - 112 ns;30 ticks */
[ GPMC] 2.75.4246万 ,cs-wr-off-ns =<112>;/* 110 ns - 112 ns;30 ticks */
[ GPMC] 2.76.0801万 ,Adv-On-ns =<11>;/* 8 ns-11 ns;3 ticks */
[ GPMC] 2.76.6658万 ,Adv-rd-off-ns =<52>;/* 49 ns - 52 ns;14 ticks */
[ GPMC] 2.77.3038万 ,Adv-wr-off-ns =<52>;/* 49 ns - 52 ns;14 ticks */
[ GPMC] 2.77.9418万 ,Adv-aad-mux-on-ns =<0>;/* 0 ns-0 ns;0 ticks */
[ GPMC] 2.78.5798万 ,Ad-aad-mix-rd-off-ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.79.2527万 ,Adv-aad-mux-wr-off-ns =<0>;/* 0 ns-0 ns;0 ticks */
[ GPMC] 2.79.9257万 ,OE接通- ns =<52>;/* 49 ns - 52 ns;14 tick */
[ GPMC] 2.80.5202万 ,OE - off-ns =<112>;/* 110 ns - 112 ns;30 tick */
[ GPMC] 2.81.1495万 ,OE-aad-mix-On -ns =<0>;/* 0 ns - 0 ns;0 tick */
[ GPMC] 2.81.7786万 ,OE-aad-mix-off-ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.82.4167万 ,WE-ON - ns =<52>;/* 49 ns - 52 ns;14 ticks */
[ GPMC] 2.83.0111万 ,WE-off-ns =<112>;/* 110 ns - 112 ns;30 ticks */
[ GPMC] 2.83.6405万 ,rd-cycle-ns =<112>;/* 110 ns - 112 ns;30 ticks */
[ GPMC] 2.84.2873万 ,wr-cycle-ns =<112>;/* 110 ns - 112 ns;30 ticks */
[ GPMC] 2.84.934万 ,access-ns =<82>;/* 79 ns - 82 ns;22 ticks */
[ GPMC] 2.85.5372万 ,page-burst-access-ns =<11>;/* 8 ns - 11 ns;3 ticks */
[ GPMC] 2.86.2187万 ,bus-talne-ns =<0>;/* 0 ns - 0 ns;0 tick */
[ GPMC] 2.86.8568万 ,cycle2cycle-delay-ns =<30>;/* 27 ns -30 ns;8 ticks */
[ GPMC] 2.87.5472万 ,wait-monitoring-ns =<0>;/* 0 ns - 0 ns;0 tick */
[ GPMC] 2.88.1938万 ,clk-activation-ns =<0>;/* 0 ns - 0 ns;0 ticks */
[ GPMC] 2.88.8318万 ,wr-data-mix-bus-ns =<52>;/* 49 ns -52 ns;14 tick */
[ GPMC] 2.89.5134万 ,wr-access-ns =<90>;/* 87 ns - 90 ns;24 ticks */
[ 2.90.182万 GPMC]驱动程序:'OMAP-GPMC':DRIVER_Bound:绑定到设备'5000万.GPMC'
[ 2.90.1847万 GPMC]总线:'platform':fety_probe:绑定设备5000万.GPMC以驱动OMAP-GPMC
使用MD 推荐检查GPMC配置。
=> MD 0x50万f0
50万f0:0.0012万00 001010000.0001万01000 0003030110亿01 100410040.11万41004 ........4.1004万 ........
5000.01万:000c101.008万 0807.028万 00000f48 008700864.8008万70086 ........7.0086万 ........ H......
5000.011万:0.89万88 008b008a8.8008万b008a 0万00 000000000万00000 ........0万 ........
5000.012万:0.001万00 001010010.0001万01001 2206051410.01220605亿14 100570161.41万57016 ........5.7016万 ........ ".p.
5000.013万:010f1111 8f7万 0万f00 000000000万00000 ........0万 ........
5000.014万:00000000 000000000万 00000000 000000000万 00000000 ........0万 ........</s>00000000
访问GPMC基本地址,他可以获得地址,但不能获得CS3。
=> mD.w 0x800万
800万:0000 0001 0002 0003 0004 0005 0006 0007 ........
800.001万:0008 0009 000a 000b 000c 000d 000e 000f ........
PINMUX模式0:
=> MD 0x4A0034BC
4a0034bc:0.06万00 000400000万40000 00040000400亿00 000600000万60000 ........6万 ........
4a0034cc:0.06万00 000400000万40000 0001000e4万 0001000e 000e00000.1万 000e0000 ........0000 ........
谢谢。
Rgds
闪耀