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

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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>
This commit is contained in:
Dinh Nguyen 2016-01-06 13:48:43 -06:00 committed by Marek Vasut
parent 1720fad0f1
commit b00a21f088
1 changed files with 1 additions and 1 deletions
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drivers/fpga/socfpga.c
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@ -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