mirror of https://github.com/wolfSSL/wolfBoot.git
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* fsp_tgl.c
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*
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* Copyright (C) 2023 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* wolfBoot is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <wolfboot/wolfboot.h>
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#include <stdint.h>
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#include <uart_drv.h>
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#include <printf.h>
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#include <x86/ahci.h>
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#include <x86/ata.h>
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#include <x86/common.h>
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#ifdef __WOLFBOOT
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#if defined(TARGET_kontron_vx3060_s2)
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#define PCI_AHCI_BUS 0
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#define PCI_AHCI_DEV 0x17
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#define PCI_AHCI_FUN 0
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#elif defined(TARGET_x86_fsp_qemu)
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#define PCI_AHCI_BUS 0
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#define PCI_AHCI_DEV 31
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#define PCI_AHCI_FUN 2
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#endif
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/*!
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* \brief Initializes the SATA controller.
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*
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* \param bar Pointer to store the SATA BAR.
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* \return 0 on success, -1 if the AHCI version is invalid.
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*/
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int x86_fsp_tgl_init_sata(uint32_t *bar)
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{
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uint32_t sata_bar;
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uint32_t version;
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sata_bar = ahci_enable(PCI_AHCI_BUS, PCI_AHCI_DEV, PCI_AHCI_FUN);
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version = mmio_read32(AHCI_HBA_VS(sata_bar));
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if (version < 0x10000) {
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wolfBoot_printf("SATA: bad version: %d\r\n", (int)version);
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return -1;
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}
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sata_enable(sata_bar);
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if (bar != NULL)
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*bar = sata_bar;
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return 0;
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}
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#endif
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