MPC8349EMDS: Add PCI Agent (PCISLAVE) support

Add the ability for the MPC8349EMDS to run in PCI Agent mode, acting as a
PCI card rather than a host computer.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/board/freescale/mpc8349emds/mpc8349emds.c b/board/freescale/mpc8349emds/mpc8349emds.c
index 9a312c3..4c04f2c 100644
--- a/board/freescale/mpc8349emds/mpc8349emds.c
+++ b/board/freescale/mpc8349emds/mpc8349emds.c
@@ -165,6 +165,15 @@ int fixed_sdram(void)
 
 int checkboard (void)
 {
+	/*
+	 * Warning: do not read the BCSR registers here
+	 *
+	 * There is a timing bug in the 8349E and 8349EA BCSR code
+	 * version 1.2 (read from BCSR 11) that will cause the CFI
+	 * flash initialization code to overwrite BCSR 0, disabling
+	 * the serial ports and gigabit ethernet
+	 */
+
 	puts("Board: Freescale MPC8349EMDS\n");
 	return 0;
 }