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https://github.com/ARM-software/arm-trusted-firmware.git
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ddaf02d171
This patch is used to implement sdmmc/nand/combo-phy driver to support Cadence IP for Agilex5 SoC FPGA. 1. Added SDMMC/NAND/COMBO-PHY support. 2. Updated product name -> Agilex5 3. Updated QSPI base address Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com> Change-Id: I6db689d2b784c9f59a25701ab34517f6f6b0a0e6
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/*
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* Copyright (c) 2022-2023, Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <string.h>
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#include <arch_helpers.h>
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#include <common/debug.h>
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#include <drivers/cadence/cdns_sdmmc.h>
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#include <drivers/delay_timer.h>
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#include <lib/mmio.h>
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#include <lib/utils.h>
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#include "combophy.h"
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#include "sdmmc/sdmmc.h"
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/* Temp assigned handoff data, need to remove when SDM up and run. */
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void config_nand(handoff *hoff_ptr)
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{
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/* This is hardcoded input value for Combo PHY and SD host controller. */
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hoff_ptr->peripheral_pwr_gate_array = 0x40;
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}
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/* DFI configuration */
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int dfi_select(handoff *hoff_ptr)
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{
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uint32_t data = 0;
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/* Temp assigned handoff data, need to remove when SDM up and run. */
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handoff reverse_handoff_ptr;
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/* Temp assigned handoff data, need to remove when SDM up and run. */
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config_nand(&reverse_handoff_ptr);
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if (((reverse_handoff_ptr.peripheral_pwr_gate_array) & PERIPHERAL_SDMMC_MASK) == 0U) {
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ERROR("SDMMC/NAND is not set properly\n");
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return -ENXIO;
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}
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mmio_setbits_32(SOCFPGA_SYSMGR(DFI_INTF),
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(((reverse_handoff_ptr.peripheral_pwr_gate_array) &
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PERIPHERAL_SDMMC_MASK) >> PERIPHERAL_SDMMC_OFFSET));
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data = mmio_read_32(SOCFPGA_SYSMGR(DFI_INTF));
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if ((data & DFI_INTF_MASK) != (((reverse_handoff_ptr.peripheral_pwr_gate_array) &
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PERIPHERAL_SDMMC_MASK) >> PERIPHERAL_SDMMC_OFFSET)) {
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ERROR("DFI is not set properly\n");
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return -ENXIO;
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}
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return 0;
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}
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int combo_phy_init(handoff *hoff_ptr)
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{
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/* SDMMC/NAND DFI selection based on system manager DFI register */
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int ret = dfi_select(hoff_ptr);
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if (ret != 0U) {
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ERROR("DFI configuration failed\n");
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return ret;
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}
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return 0;
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}
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