/*
- * (C) Copyright 2007-2008
+ * (C) Copyright 2007-2009
* Larry Johnson, lrj@acm.org
*
* (C) Copyright 2006-2007
unsigned long sdr0_pfc1;
uint32_t const flash1_size = gd->bd->bi_flashsize - CONFIG_SYS_FLASH0_SIZE;
char const *const act = getenv("usbact");
+ char const *const usbcf = getenv("korat_usbcf");
/*
* Re-do FLASH1 sizing and adjust flash start and offset.
/*
* USB suff...
*/
+ /*
+ * Select the USB controller on the 440EPx ("ppc") or on the PCI bus
+ * ("pci") for the CompactFlash.
+ */
+ if (usbcf != NULL && (strcmp(usbcf, "ppc") == 0)) {
+ /*
+ * If environment variable "usbcf" is defined and set to "ppc",
+ * then connect the CompactFlash controller to the PowerPC USB
+ * port.
+ */
+ printf("Attaching CompactFalsh controller to PPC USB\n");
+ out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x02,
+ in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x02) | 0x10);
+ } else {
+ if (usbcf != NULL && (strcmp(usbcf, "pci") != 0))
+ printf("Warning: \"korat_usbcf\" is not set to a legal "
+ "value (\"ppc\" or \"pci\")\n");
+
+ printf("Attaching CompactFalsh controller to PCI USB\n");
+ }
if (act == NULL || strcmp(act, "hostdev") == 0) {
/* SDR Setting */
mfsdr(SDR0_PFC1, sdr0_pfc1);