1 files changed, 102 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/system_manager_soc64.c b/arch/arm/mach-socfpga/system_manager_soc64.c
new file mode 100644
index 00000000000..c123cc96445
--- /dev/null
+++ b/arch/arm/mach-socfpga/system_manager_soc64.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#include <common.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/system_manager.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Configure all the pin muxes
+ */
+void sysmgr_pinmux_init(void)
+{
+	populate_sysmgr_pinmux();
+	populate_sysmgr_fpgaintf_module();
+}
+
+/*
+ * 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.
+ */
+void populate_sysmgr_fpgaintf_module(void)
+{
+	u32 handoff_val = 0;
+
+	/* Enable the signal for those HPS peripherals that use FPGA. */
+	if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_NAND_USEFPGA) ==
+	    SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_NAND;
+	if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_SDMMC_USEFPGA) ==
+	    SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_SDMMC;
+	if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_SPIM0_USEFPGA) ==
+	    SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_SPIM0;
+	if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_SPIM1_USEFPGA) ==
+	    SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_SPIM1;
+	writel(handoff_val,
+	       socfpga_get_sysmgr_addr() + SYSMGR_SOC64_FPGAINTF_EN2);
+
+	handoff_val = 0;
+	if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_EMAC0_USEFPGA) ==
+	    SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_EMAC0;
+	if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_EMAC1_USEFPGA) ==
+	    SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_EMAC1;
+	if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_EMAC2_USEFPGA) ==
+	    SYSMGR_FPGAINTF_USEFPGA)
+		handoff_val |= SYSMGR_FPGAINTF_EMAC2;
+	writel(handoff_val,
+	       socfpga_get_sysmgr_addr() + SYSMGR_SOC64_FPGAINTF_EN3);
+}
+
+/*
+ * Configure all the pin muxes
+ */
+void populate_sysmgr_pinmux(void)
+{
+	const u32 *sys_mgr_table_u32;
+	unsigned int len, i;
+
+	/* setup the pin sel */
+	sysmgr_pinmux_table_sel(&sys_mgr_table_u32, &len);
+	for (i = 0; i < len; i = i + 2) {
+		writel(sys_mgr_table_u32[i + 1],
+		       sys_mgr_table_u32[i] +
+		       (u8 *)socfpga_get_sysmgr_addr() + SYSMGR_SOC64_PINSEL0);
+	}
+
+	/* setup the pin ctrl */
+	sysmgr_pinmux_table_ctrl(&sys_mgr_table_u32, &len);
+	for (i = 0; i < len; i = i + 2) {
+		writel(sys_mgr_table_u32[i + 1],
+		       sys_mgr_table_u32[i] +
+		       (u8 *)socfpga_get_sysmgr_addr() + SYSMGR_SOC64_IOCTRL0);
+	}
+
+	/* setup the fpga use */
+	sysmgr_pinmux_table_fpga(&sys_mgr_table_u32, &len);
+	for (i = 0; i < len; i = i + 2) {
+		writel(sys_mgr_table_u32[i + 1],
+		       sys_mgr_table_u32[i] +
+		       (u8 *)socfpga_get_sysmgr_addr() +
+		       SYSMGR_SOC64_EMAC0_USEFPGA);
+	}
+
+	/* setup the IO delay */
+	sysmgr_pinmux_table_delay(&sys_mgr_table_u32, &len);
+	for (i = 0; i < len; i = i + 2) {
+		writel(sys_mgr_table_u32[i + 1],
+		       sys_mgr_table_u32[i] +
+		       (u8 *)socfpga_get_sysmgr_addr() + SYSMGR_SOC64_IODELAY0);
+	}
+}