ppc4xx: Kilauea: Add PCIe reset assertion upon power-up
This manual PCIe reset triggering solves the problem seen with the
Intel EPRO/1000 card, which was not detected (link not established)
upon power-up reset.
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/amcc/kilauea/kilauea.c b/board/amcc/kilauea/kilauea.c
index 09b7382..36e9e4a 100644
--- a/board/amcc/kilauea/kilauea.c
+++ b/board/amcc/kilauea/kilauea.c
@@ -37,14 +37,6 @@
extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
-void fpga_init(void)
-{
- /*
- * Set FPGA regs
- */
- out32(CFG_FPGA_BASE, 0xff570cc0);
-}
-
/*
* Board early initialization function
*/
@@ -199,7 +191,12 @@
*/
mtsdr(SDR0_SRST, 0);
- fpga_init();
+ /*
+ * Configure FPGA register with PCIe reset
+ */
+ out_be32((void *)CFG_FPGA_BASE, 0xff570cc0); /* assert PCIe reset */
+ mdelay(50);
+ out_be32((void *)CFG_FPGA_BASE, 0xff570cc3); /* deassert PCIe reset */
/* Configure 405EX for NAND usage */
val = SDR0_CUST0_MUX_NDFC_SEL |