omap3: overo: Select fdtfile for expansion board
The u-boot Overo board actually supports both Overo (OMAP35xx)
and Overo Storm (AM/DM37xx) COMs with a range of different expansion
boards. This provides a mechanism to select the an appropriate device
tree file based on the processor version and, if available, the
expansion board ID written on the expansion board EEPROM. To match the
3.15+ kernels, fdtfile names have this format:
"omap3-overo[-storm]-<expansion board name>.dtb"
By default, we use "omap3-overo-storm-tobi.dtb".
Signed-off-by: Ash Charles <ashcharles@gmail.com>
Conflicts:
include/configs/omap3_overo.h
diff --git a/board/overo/overo.c b/board/overo/overo.c
index 62b50a8..13220c5 100644
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -267,12 +267,14 @@
expansion_config.revision,
expansion_config.fab_revision);
setenv("defaultdisplay", "dvi");
+ setenv("expansionname", "summit");
break;
case GUMSTIX_TOBI:
printf("Recognized Tobi expansion board (rev %d %s)\n",
expansion_config.revision,
expansion_config.fab_revision);
setenv("defaultdisplay", "dvi");
+ setenv("expansionname", "tobi");
break;
case GUMSTIX_TOBI_DUO:
printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
@@ -293,12 +295,14 @@
expansion_config.revision,
expansion_config.fab_revision);
setenv("defaultdisplay", "lcd43");
+ setenv("expansionname", "palo43");
break;
case GUMSTIX_CHESTNUT43:
printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
expansion_config.revision,
expansion_config.fab_revision);
setenv("defaultdisplay", "lcd43");
+ setenv("expansionname", "chestnut43");
break;
case GUMSTIX_PINTO:
printf("Recognized Pinto expansion board (rev %d %s)\n",
@@ -310,6 +314,7 @@
expansion_config.revision,
expansion_config.fab_revision);
setenv("defaultdisplay", "lcd43");
+ setenv("expansionname", "gallop43");
break;
case GUMSTIX_ALTO35:
printf("Recognized Alto35 expansion board (rev %d %s)\n",
@@ -317,6 +322,7 @@
expansion_config.fab_revision);
MUX_ALTO35();
setenv("defaultdisplay", "lcd35");
+ setenv("expansionname", "alto35");
break;
case GUMSTIX_STAGECOACH:
printf("Recognized Stagecoach expansion board (rev %d %s)\n",
@@ -349,8 +355,11 @@
break;
case GUMSTIX_NO_EEPROM:
puts("No EEPROM on expansion board\n");
+ setenv("expansionname", "tobi");
break;
default:
+ if (expansion_id == 0x0)
+ setenv("expansionname", "tobi");
printf("Unrecognized expansion board 0x%08x\n", expansion_id);
break;
}
@@ -360,6 +369,11 @@
dieid_num_r();
+ if (get_cpu_family() == CPU_OMAP34XX)
+ setenv("boardname", "overo");
+ else
+ setenv("boardname", "overo-storm");
+
return 0;
}