[U-Boot] [PATCH] arm: socfpga: set the fpga global bit to disable HPS to FPGA signals

dinguyen at opensource.altera.com
2016-01-06T19:48:43Z

From: Dinh Nguyen <dinh.linux@gmail.com>

We should be setting the FPGA Interface Group global bit that will correctly
disable all interfaces between the FPGA and HPS.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
---
drivers/fpga/socfpga.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/fpga/socfpga.c b/drivers/fpga/socfpga.c
index 4448250..431e159 100644
--- a/drivers/fpga/socfpga.c
+++ b/drivers/fpga/socfpga.c
@@ -269,7 +269,7 @@ int socfpga_load(Altera_desc *desc, const void *rbf_data, size_t rbf_size)
/* Prior programming the FPGA, all bridges need to be shut off */

/* Disable all signals from hps peripheral controller to fpga */
- writel(0, &sysmgr_regs->fpgaintfgrp_module);
+ writel(0, &sysmgr_regs->fpgaintfgrp_gbl);

/* Disable all signals from FPGA to HPS SDRAM */
#define SDR_CTRLGRP_FPGAPORTRST_ADDRESS 0x5080
--
2.6.2