1 files changed, 49 insertions, 8 deletions

diff --git a/arch/arm/cpu/armv7/socfpga/system_manager.c b/arch/arm/cpu/armv7/socfpga/system_manager.c
index d96521ba03..11f7badbf2 100644
--- a/arch/arm/cpu/armv7/socfpga/system_manager.c
+++ b/arch/arm/cpu/armv7/socfpga/system_manager.c
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2013 Altera Corporation <www.altera.com>
+ * Copyright (C) 2013 Altera Corporation <www.altera.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -7,21 +7,62 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/system_manager.h>
+#include <asm/arch/fpga_manager.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+static struct socfpga_system_manager *sysmgr_regs =
+	(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+
+/*
+ * Populate the value for SYSMGR.FPGAINTF.MODULE based on pinmux setting.
+ * The value is not wrote to SYSMGR.FPGAINTF.MODULE but
+ * CONFIG_SYSMGR_ISWGRP_HANDOFF.
+ */
+static void populate_sysmgr_fpgaintf_module(void)
+{
+	uint32_t handoff_val = 0;
+
+	/* ISWGRP_HANDOFF_FPGAINTF */
+	writel(0, &sysmgr_regs->iswgrp_handoff[2]);
+
+	/* Enable the signal for those HPS peripherals that use FPGA. */
+	if (readl(&sysmgr_regs->nandusefpga) == SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_NAND;
+	if (readl(&sysmgr_regs->rgmii1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_EMAC1;
+	if (readl(&sysmgr_regs->sdmmcusefpga) == SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_SDMMC;
+	if (readl(&sysmgr_regs->rgmii0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_EMAC0;
+	if (readl(&sysmgr_regs->spim0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_SPIM0;
+	if (readl(&sysmgr_regs->spim1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_SPIM1;
+
+	/* populate (not writing) the value for SYSMGR.FPGAINTF.MODULE
+	based on pinmux setting */
+	setbits_le32(&sysmgr_regs->iswgrp_handoff[2], handoff_val);
+
+	handoff_val = readl(&sysmgr_regs->iswgrp_handoff[2]);
+	if (fpgamgr_test_fpga_ready()) {
+		/* Enable the required signals only */
+		writel(handoff_val, &sysmgr_regs->fpgaintfgrp_module);
+	}
+}
+
 /*
  * Configure all the pin muxes
  */
 void sysmgr_pinmux_init(void)
 {
-	unsigned long offset = CONFIG_SYSMGR_PINMUXGRP_OFFSET;
-
-	const unsigned long *pval = sys_mgr_init_table;
-	unsigned long i;
+	uint32_t regs = (uint32_t)&sysmgr_regs->emacio[0];
+	int i;
 
-	for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table);
-		i++, offset += sizeof(unsigned long)) {
-		writel(*pval++, (SOCFPGA_SYSMGR_ADDRESS + offset));
+	for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table); i++) {
+		writel(sys_mgr_init_table[i], regs);
+		regs += sizeof(regs);
 	}
+
+	populate_sysmgr_fpgaintf_module();
 }