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From 8ad472139f7b8b7c59c0192f3e2f50a20beadf59 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Mon, 3 May 2010 10:17:41 +0200
Subject: [PATCH 37/37] OMAP3: beagle: pass expansionboard name in bootargs
This makes it possible to do in-kernel fixups for expansionboards like reclaiming GPIOs
---
board/ti/beagle/beagle.c | 7 +++++++
include/configs/omap3_beagle.h | 3 +++
2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 9300984..556e995 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -172,33 +172,40 @@ int misc_init_r(void)
printf("Recognized Tincantools Zippy expansion board (rev %d %s)\n",
expansion_config.revision, expansion_config.fab_revision);
MUX_TINCANTOOLS_ZIPPY();
+ setenv("buddy", "zippy");
break;
case TINCANTOOLS_ZIPPY2:
printf("Recognized Tincantools Zippy2 expansion board (rev %d %s)\n",
expansion_config.revision, expansion_config.fab_revision);
MUX_TINCANTOOLS_ZIPPY();
+ setenv("buddy", "zippy2");
break;
case TINCANTOOLS_TRAINER:
printf("Recognized Tincantools Trainer expansion board (rev %d %s)\n",
expansion_config.revision, expansion_config.fab_revision);
MUX_TINCANTOOLS_ZIPPY();
MUX_TINCANTOOLS_TRAINER();
+ setenv("buddy", "trainer");
break;
case TINCANTOOLS_SHOWDOG:
printf("Recognized Tincantools Showdow expansion board (rev %d %s)\n",
expansion_config.revision, expansion_config.fab_revision);
/* Place holder for DSS2 definition for showdog lcd */
setenv("defaultdisplay", "showdoglcd");
+ setenv("buddy", "showdog");
break;
case KBADC_BEAGLEFPGA:
printf("Recognized KBADC Beagle FPGA board\n");
MUX_KBADC_BEAGLEFPGA();
+ setenv("buddy", "beaglefpga");
break;
case BEAGLE_NO_EEPROM:
printf("No EEPROM on expansion board\n");
+ setenv("buddy", "none");
break;
default:
printf("Unrecognized expansion board: %x\n", expansion_config.device_vendor);
+ setenv("buddy", "unknown");
}
if (expansion_config.content == 1)
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 93a6a5a..affabf1 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -185,6 +185,7 @@
"usbtty=cdc_acm\0" \
"console=ttyS2,115200n8\0" \
"mpurate=500\0" \
+ "buddy=none\0" \
"vram=12M\0" \
"dvimode=640x480MR-16@60\0" \
"defaultdisplay=dvi\0" \
@@ -194,6 +195,7 @@
"nandrootfstype=jffs2\0" \
"mmcargs=setenv bootargs console=${console} " \
"mpurate=${mpurate} " \
+ "buddy=${buddy} "\
"vram=${vram} " \
"omapfb.mode=dvi:${dvimode} " \
"omapdss.def_disp=${defaultdisplay} " \
@@ -201,6 +203,7 @@
"rootfstype=${mmcrootfstype}\0" \
"nandargs=setenv bootargs console=${console} " \
"mpurate=${mpurate} " \
+ "buddy=${buddy} "\
"vram=${vram} " \
"omapfb.mode=dvi:${dvimode} " \
"omapdss.def_disp=${defaultdisplay} " \
--
1.6.6.1
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