arm: socfpga: set the fpga global bit to disable HPS to FPGA signals

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>
master
Dinh Nguyen 9 years ago committed by Marek Vasut
parent 1720fad0f1
commit b00a21f088
  1. 2
      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

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