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sconfig: Add a new mmio resource type

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Add support for a mmio resource in the devicetree to allow
memory-mapped IO addresses to be assigned to given values.

AMD platforms perform a significant amount of configuration through
these MMIO addresses, including I2C bus configuration.

BUG=b:72121803

Change-Id: I5608721c22c1b229f527815b5f17fff3a080c3c8
Signed-off-by: Justin TerAvest <teravest@chromium.org>
Reviewed-on: https://review.coreboot.org/23319
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Justin TerAvest
2018-01-17 16:36:30 -08:00
committed by Martin Roth
parent 4eaf0fa155
commit ca2ed9f450
9 changed files with 219 additions and 204 deletions
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util/sconfig/sconfig.l
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@@ -38,6 +38,7 @@ cpu_cluster {yylval.number=CPU_CLUSTER; return(BUS);}
cpu {yylval.number=CPU; return(BUS);}
domain {yylval.number=DOMAIN; return(BUS);}
generic {yylval.number=GENERIC; return(BUS);}
mmio {yylval.number=MMIO; return(BUS);}
spi {yylval.number=SPI; return(BUS);}
irq {yylval.number=IRQ; return(RESOURCE);}
drq {yylval.number=DRQ; return(RESOURCE);}