[top/earlgrey] Software Initialization Code

Adding `pinmux_init()` to bootrom code and hello_world code. This init code configures PINMUX to the same as previous build mapping GPIO0..31 to internal gpio ports.
lowRISC · Oct 31, 2019 · dba13de · dba13de
1 parent 769065e
commit dba13de
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Showing 16 changed files with 3,616 additions and 4,079 deletions.
diff --git a/hw/ip/pinmux/data/pinmux.hjson.tpl b/hw/ip/pinmux/data/pinmux.hjson.tpl
@@ -44,6 +44,7 @@
       fields: [
         {
             bits:   "0",
+            name: "wen",
             desc: ''' When true, all configuration registers can be modified.
             When false, they become read-only. Defaults true, write zero to clear.
             '''

diff --git a/hw/top_earlgrey/doc/top_earlgrey.h.tpl b/hw/top_earlgrey/doc/top_earlgrey.h.tpl
@@ -5,6 +5,9 @@
 #ifndef _TOP_EARLGREY_H_
 #define _TOP_EARLGREY_H_
 
+#define PINMUX_PERIPH_INSEL_IDX_OFFSET 2
+#define PINMUX_PERIPH_OUTSEL_IDX_OFFSET 2
+
 // PERIPH_INSEL ranges from 0 to NUM_MIO + 2 -1}
 //  0 and 1 are tied to value 0 and 1
 #define NUM_MIO ${top["pinmux"]["num_mio"]}
@@ -38,4 +41,4 @@
   % endif
 % endfor
 
-#endif // _TOP_EARLGREY_H_
+#endif  // _TOP_EARLGREY_H_