Hi
I got some problem when i accesss EEPROM
Don’t know what’s happening
nvidia@tegra-ubuntu:~$ sudo i2cdetect -l
i2c-0 i2c Tegra I2C adapter I2C adapter
i2c-1 i2c Tegra I2C adapter I2C adapter
i2c-2 i2c Tegra I2C adapter I2C adapter
i2c-3 i2c Tegra I2C adapter I2C adapter
i2c-4 i2c Tegra BPMP I2C adapter I2C adapter
i2c-5 i2c Tegra I2C adapter I2C adapter
i2c-6 i2c Tegra I2C adapter I2C adapter
i2c-7 i2c Tegra I2C adapter I2C adapter
i2c-8 i2c Tegra I2C adapter I2C adapter
nvidia@tegra-ubuntu:~$ sudo i2cdetect -y 2
Error: Can't use SMBus Quick Write command on this bus
nvidia@tegra-ubuntu:~$ sudo i2cdetect -y 4
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: [ 597.617487] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 597.622155] i2c i2c-4: --- message dump for debugging ---
[ 597.627605] i2c i2c-4: addr 0x3 flags 0x0 len 0 data:
[ 597.632693] i2c i2c-4:
-- [ 597.678207] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 597.682880] i2c i2c-4: --- message dump for debugging ---
[ 597.688374] i2c i2c-4: addr 0x4 flags 0x0 len 0 data:
[ 597.693496] i2c i2c-4:
-- [ 597.739009] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 597.743662] i2c i2c-4: --- message dump for debugging ---
[ 597.749146] i2c i2c-4: addr 0x5 flags 0x0 len 0 data:
[ 597.754258] i2c i2c-4:
-- [ 597.799756] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 597.804442] i2c i2c-4: --- message dump for debugging ---
[ 597.809903] i2c i2c-4: addr 0x6 flags 0x0 len 0 data:
[ 597.815003] i2c i2c-4:
-- [ 597.860420] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 597.865134] i2c i2c-4: --- message dump for debugging ---
[ 597.870612] i2c i2c-4: addr 0x7 flags 0x0 len 0 data:
[ 597.875726] i2c i2c-4:
-- [ 597.921218] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 597.925984] i2c i2c-4: --- message dump for debugging ---
[ 597.931432] i2c i2c-4: addr 0x8 flags 0x0 len 0 data:
[ 597.936505] i2c i2c-4:
-- [ 597.984227] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 597.988867] i2c i2c-4: --- message dump for debugging ---
[ 597.994293] i2c i2c-4: addr 0x9 flags 0x0 len 0 data:
[ 597.999374] i2c i2c-4:
-- [ 598.044908] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.049553] i2c i2c-4: --- message dump for debugging ---
[ 598.054972] i2c i2c-4: addr 0xa flags 0x0 len 0 data:
[ 598.060051] i2c i2c-4:
-- [ 598.105538] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.110173] i2c i2c-4: --- message dump for debugging ---
[ 598.115592] i2c i2c-4: addr 0xb flags 0x0 len 0 data:
[ 598.120657] i2c i2c-4:
-- [ 598.168396] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.173034] i2c i2c-4: --- message dump for debugging ---
[ 598.178459] i2c i2c-4: addr 0xc flags 0x0 len 0 data:
[ 598.183537] i2c i2c-4:
-- [ 598.229044] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.233673] i2c i2c-4: --- message dump for debugging ---
[ 598.239081] i2c i2c-4: addr 0xd flags 0x0 len 0 data:
[ 598.244139] i2c i2c-4:
-- [ 598.289525] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.294160] i2c i2c-4: --- message dump for debugging ---
[ 598.299584] i2c i2c-4: addr 0xe flags 0x0 len 0 data:
[ 598.304656] i2c i2c-4:
-- [ 598.350112] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.354740] i2c i2c-4: --- message dump for debugging ---
[ 598.360150] i2c i2c-4: addr 0xf flags 0x0 len 0 data:
[ 598.365208] i2c i2c-4:
--
10: [ 598.410640] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.415269] i2c i2c-4: --- message dump for debugging ---
[ 598.420686] i2c i2c-4: addr 0x10 flags 0x0 len 0 data:
[ 598.425842] i2c i2c-4:
-- ^C[ 598.471385] i2c i2c-4: tegra_bpmp_i2c_req ret -5
[ 598.476025] i2c i2c-4: --- message dump for debugging ---
[ 598.481439] i2c i2c-4: addr 0x11 flags 0x0 len 0 data:
[ 598.486601] i2c i2c-4: