Differences

This shows you the differences between two versions of the page.

--- en:bpi-r4:uboot [2024/02/13 19:25] – created frank
+++ en:bpi-r4:uboot [2024/02/26 21:06] (current) – frank
@@ Line 34: / Line 34: @@
 BPI-R4> reset
 resetting ...
+</code>
+===== debug =====
+==== devicetree ====
+how to display uboot devicetree
+<code>
+BPI-R4> bdinfo
+...
+fdt_blob    = 0x00000000ff7fbc90
+...
+BPI-R4> fdt addr 0x00000000ff7fbc90
+BPI-R4> fdt list
+BPI-R4> fdt print /pcie@11290000
+</code>
+==== pinmux ====
+<code>
+BPI-R4> pinmux list
+| Device                        | Driver                        | Parent
+| pinctrl@1001f000              | mt7988_pinctrl                | root_driver
+BPI-R4> pinmux dev pinctrl@1001f000
+dev: pinctrl@1001f000
+BPI-R4> pinmux status
+...
+PCIE30_2L : Aux Func.1
+PCIE30_2L : Aux Func.1
+PCIE30_1L : Aux Func.1
+PCIE30_1L : Aux Func.1
+...
+PCIE30_2L : Aux Func.1
+PCIE30_1L : Aux Func.1
+...
+PCIE30_2L : Aux Func.1
+PCIE30_1L : Aux Func.1
+PCIE30_2L : Aux Func.1
+PCIE30_2L : Aux Func.1
+PCIE30_1L : Aux Func.1
+PCIE30_1L : Aux Func.1
+</code>
+==== clocks ====
+<code>
+BPI-R4> clk dump
+ Rate               Usecnt      Name
+------------------------------------------
+ 40000000             0        |-- dummy40m
+ 208000000            0        |-- dummy208m
+ 12000000             0        |-- dummy12m
+BPI-R4>
 </code>