Author: gonzo
Date: Sat Jan 5 23:08:58 2013
New Revision: 245080
URL: http://svnweb.freebsd.org/changeset/base/245080
Log:
Export board serial and board revision obtained from FDT blob
Modified:
head/sys/arm/broadcom/bcm2835/bcm2835_machdep.c
Modified: head/sys/arm/broadcom/bcm2835/bcm2835_machdep.c
==============================================================================
--- head/sys/arm/broadcom/bcm2835/bcm2835_machdep.c Sat Jan 5 23:08:10
2013 (r245079)
+++ head/sys/arm/broadcom/bcm2835/bcm2835_machdep.c Sat Jan 5 23:08:58
2013 (r245080)
@@ -78,6 +78,25 @@ initarm_gpio_init(void)
void
initarm_late_init(void)
{
+ phandle_t system;
+ pcell_t cells[2];
+ int len;
+
+ /*
+ * It seems there is no way to let syscons framework know
+ * that framebuffer resolution has changed. So just try
+ * to fetch data from FDT and go with defaults if failed
+ */
+ system = OF_finddevice("/system");
+ if (system != 0) {
+ len = OF_getprop(system, "linux,serial", &cells, sizeof(cells));
+ if (len > 0)
+ board_set_serial(fdt64_to_cpu(*((uint64_t *)cells)));
+
+ len = OF_getprop(system, "linux,revision", &cells,
sizeof(cells));
+ if (len > 0)
+ board_set_revision(fdt32_to_cpu(*((uint32_t *)cells)));
+ }
}
#define FDT_DEVMAP_MAX (2) // FIXME
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