wolfBoot/hal/x86_fsp_tgl.c

50 lines
1.4 KiB
C

/* fsp_tgl.c
*
* Copyright (C) 2023 wolfSSL Inc.
*
* This file is part of wolfBoot.
*
* wolfBoot is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfBoot is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#include <wolfboot/wolfboot.h>
#include <stdint.h>
#include <uart_drv.h>
#include <printf.h>
#include <x86/ahci.h>
#include <x86/ata.h>
#include <x86/common.h>
#ifdef __WOLFBOOT
#define PCI_AHCI_BUS 0
#define PCI_AHCI_DEV 0x17
#define PCI_AHCI_FUN 0
void x86_fsp_tgl_init_sata(void)
{
uint32_t sata_bar;
uint32_t version;
sata_bar = ahci_enable(PCI_AHCI_BUS, PCI_AHCI_DEV, PCI_AHCI_FUN);
version = mmio_read32(AHCI_HBA_VS(sata_bar));
if (version < 0x10000) {
wolfBoot_printf("bad version\r\n");
panic();
}
sata_enable(sata_bar);
}
#endif