mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-10 06:43:28 +09:00
d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
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* Copyright (C) 2013-2017 Altera Corporation <www.altera.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/system_manager.h>
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#include <asm/arch/fpga_manager.h>
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static struct socfpga_system_manager *sysmgr_regs =
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(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
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/*
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* Populate the value for SYSMGR.FPGAINTF.MODULE based on pinmux setting.
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* The value is not wrote to SYSMGR.FPGAINTF.MODULE but
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* CONFIG_SYSMGR_ISWGRP_HANDOFF.
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*/
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static void populate_sysmgr_fpgaintf_module(void)
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{
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u32 handoff_val = 0;
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/* ISWGRP_HANDOFF_FPGAINTF */
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writel(0, &sysmgr_regs->iswgrp_handoff[2]);
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/* Enable the signal for those HPS peripherals that use FPGA. */
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if (readl(&sysmgr_regs->nandusefpga) == SYSMGR_FPGAINTF_USEFPGA)
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handoff_val |= SYSMGR_FPGAINTF_NAND;
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if (readl(&sysmgr_regs->rgmii1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
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handoff_val |= SYSMGR_FPGAINTF_EMAC1;
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if (readl(&sysmgr_regs->sdmmcusefpga) == SYSMGR_FPGAINTF_USEFPGA)
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handoff_val |= SYSMGR_FPGAINTF_SDMMC;
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if (readl(&sysmgr_regs->rgmii0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
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handoff_val |= SYSMGR_FPGAINTF_EMAC0;
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if (readl(&sysmgr_regs->spim0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
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handoff_val |= SYSMGR_FPGAINTF_SPIM0;
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if (readl(&sysmgr_regs->spim1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
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handoff_val |= SYSMGR_FPGAINTF_SPIM1;
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/* populate (not writing) the value for SYSMGR.FPGAINTF.MODULE
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based on pinmux setting */
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setbits_le32(&sysmgr_regs->iswgrp_handoff[2], handoff_val);
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handoff_val = readl(&sysmgr_regs->iswgrp_handoff[2]);
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if (fpgamgr_test_fpga_ready()) {
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/* Enable the required signals only */
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writel(handoff_val, &sysmgr_regs->fpgaintfgrp_module);
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}
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}
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/*
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* Configure all the pin muxes
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*/
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void sysmgr_pinmux_init(void)
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{
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u32 regs = (u32)&sysmgr_regs->emacio[0];
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const u8 *sys_mgr_init_table;
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unsigned int len;
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int i;
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sysmgr_get_pinmux_table(&sys_mgr_init_table, &len);
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for (i = 0; i < len; i++) {
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writel(sys_mgr_init_table[i], regs);
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regs += sizeof(regs);
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}
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populate_sysmgr_fpgaintf_module();
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}
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/*
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* This bit allows the bootrom to configure the IOs after a warm reset.
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*/
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void sysmgr_config_warmrstcfgio(int enable)
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{
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if (enable)
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setbits_le32(&sysmgr_regs->romcodegrp_ctrl,
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SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO);
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else
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clrbits_le32(&sysmgr_regs->romcodegrp_ctrl,
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SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO);
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}
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