/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2004 Tyan Computer
 * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
 *
 * This program 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; version 2 of the License.
 *
 * This program 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.
 */

#include <reset.h>
#include "ck804.h"

static int set_ht_link_ck804(u8 ht_c_num)
{
	unsigned vendorid = 0x10de;
	unsigned val = 0x01610169;
	return set_ht_link_buffer_counts_chain(ht_c_num, vendorid, val);
}

static void setup_ss_table(unsigned index, unsigned where, unsigned control,
			   const unsigned int *register_values, int max)
{
	int i;
	unsigned val;

	val = inl(control);
	val &= 0xfffffffe;
	outl(val, control);

	outl(0, index);

	for (i = 0; i < max; i++) {
		unsigned long reg;
		reg = register_values[i];
		outl(reg, where);
	}
	val = inl(control);
	val |= 1;
	outl(val, control);
}

#define ANACTRL_IO_BASE 0x7000
#define ANACTRL_REG_POS 0x68

#define SYSCTRL_IO_BASE 0x6000
#define SYSCTRL_REG_POS 0x64

/*
 * Values for CONFIG_CK804_PCI_E_X and CONFIG_CK804B_PCI_E_X.
 * Apparently some sort of lane configuration.
 *
 *	16 1 1 2 :0
 *	 8 8 2 2 :1
 *	 8 8 4   :2
 *	 8 4 4 4 :3
 *	16 4     :4
 */

static void ck804_early_set_port(void)
{
	static const unsigned int ctrl_devport_conf[] = {
		PCI_ADDR(0, (CK804_DEVN_BASE + 0x1), 0, ANACTRL_REG_POS), ~(0x0000ff00), ANACTRL_IO_BASE,
#if CONFIG_CK804_NUM > 1
		PCI_ADDR(CK804B_BUSN, (CK804B_DEVN_BASE+0x1), 0, ANACTRL_REG_POS), ~(0x0000ff00), CK804B_ANACTRL_IO_BASE,
#endif

		PCI_ADDR(0, (CK804_DEVN_BASE+0x1), 0, SYSCTRL_REG_POS), ~(0x0000ff00), SYSCTRL_IO_BASE,
#if CONFIG_CK804_NUM > 1
		PCI_ADDR(CK804B_BUSN, (CK804B_DEVN_BASE+0x1), 0, SYSCTRL_REG_POS), ~(0x0000ff00), CK804B_SYSCTRL_IO_BASE,
#endif
	};

	setup_resource_map(ctrl_devport_conf, ARRAY_SIZE(ctrl_devport_conf));
}

static void ck804_early_clear_port(void)
{
	static const unsigned int ctrl_devport_conf_clear[] = {
		PCI_ADDR(0, (CK804_DEVN_BASE + 0x1), 0, ANACTRL_REG_POS), ~(0x0000ff00), 0,
#if CONFIG_CK804_NUM > 1
		PCI_ADDR(CK804B_BUSN, (CK804B_DEVN_BASE+0x1), 0, ANACTRL_REG_POS), ~(0x0000ff00), 0,
#endif
		PCI_ADDR(0, (CK804_DEVN_BASE + 0x1), 0, SYSCTRL_REG_POS), ~(0x0000ff00), 0,
#if CONFIG_CK804_NUM > 1
		PCI_ADDR(CK804B_BUSN, (CK804B_DEVN_BASE+0x1), 0, SYSCTRL_REG_POS), ~(0x0000ff00), 0,
#endif
	};

	setup_resource_map(ctrl_devport_conf_clear, ARRAY_SIZE(ctrl_devport_conf_clear));
}

static void ck804_early_setup(void)
{
	static const unsigned int ctrl_conf[] = {
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 2, 0x8c), 0xffff0000, 0x00009880,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 2, 0x90), 0xffff000f, 0x000074a0,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 2, 0xa0), 0xfffff0ff, 0x00000a00,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 2, 0xac), 0xffffff00, 0x00000000,

#if CONFIG_CK804_NUM > 1
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 2, 0x8c), 0xffff0000, 0x00009880,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 2, 0x90), 0xffff000f, 0x000074a0,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 2, 0xa0), 0xfffff0ff, 0x00000a00,
#endif

	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0x48), 0xfffffffd, 0x00000002,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0x74), 0xfffff00f, 0x000009d0,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0x8c), 0xffff0000, 0x0000007f,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0xcc), 0xfffffff8, 0x00000003,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0xd0), 0xff000000, 0x00000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0xd4), 0xff000000, 0x00000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0xd8), 0xff000000, 0x00000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE, 0, 0xdc), 0x7f000000, 0x00000000,

#if CONFIG_CK804_NUM > 1
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0x48), 0xfffffffd, 0x00000002,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0x74), 0xfffff00f, 0x000009d0,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0x8c), 0xffff0000, 0x0000007f,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0xcc), 0xfffffff8, 0x00000003,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0xd0), 0xff000000, 0x00000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0xd4), 0xff000000, 0x00000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0xd8), 0xff000000, 0x00000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE, 0, 0xdc), 0x7f000000, 0x00000000,
#endif

	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 0, 0xf0), 0xfffffffd, 0x00000002,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 0, 0xf8), 0xffffffcf, 0x00000010,

#if CONFIG_CK804_NUM > 1
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 0, 0xf0), 0xfffffffd, 0x00000002,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 0, 0xf8), 0xffffffcf, 0x00000010,
#endif

	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 9, 0, 0x40), 0xfff8ffff, 0x00030000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 9, 0, 0x4c), 0xfe00ffff, 0x00440000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 9, 0, 0x74), 0xffffffc0, 0x00000000,

#if CONFIG_CK804_NUM > 1
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 9, 0, 0x40), 0xfff8ffff, 0x00030000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 9, 0, 0x4c), 0xfe00ffff, 0x00440000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 9, 0, 0x74), 0xffffffc0, 0x00000000,
#endif

#if IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AMDFAM10)
	/*
	 * Avoid crash (complete with severe memory corruption!) during initial CAR boot
	 * in ck804_early_setup_x() on Fam10h systems by not touching 0x78.
	 * Interestingly once the system is fully booted into Linux this can be set, but
	 * not before!  Apparently something isn't initialized but the amount of effort
	 * required to fix this is non-negligible and of unknown real-world benefit
	 */
#else
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 0, 0x78), 0xc0ffffff, 0x19000000,
#endif
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1, 0, 0xe0), 0xfffffeff, 0x00000100,

#if CONFIG_CK804_NUM > 1
	/*
	 * Avoid touching 0x78 for CONFIG_NORTHBRIDGE_AMD_AMDFAM10 for
	 * non-primary chain too???
	 */
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 0, 0x78), 0xc0ffffff, 0x20000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 0, 0xe0), 0xfffffeff, 0x00000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 0, 0xe8), 0xffffff00, 0x000000ff,
#endif

	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x20, 0xe00fffff, 0x11000000,
	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x24, 0xc3f0ffff, 0x24040000,
	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x80, 0x8c3f04df, 0x51407120,
	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x84, 0xffffff8f, 0x00000010,
	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x94, 0xff00ffff, 0x00c00000,
	RES_PORT_IO_32, ANACTRL_IO_BASE + 0xcc, 0xf7ffffff, 0x00000000,

	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x74, ~(0xffff), 0x0f008,
	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x78, ~((0xff) | (0xff << 16)), (0x41 << 16) | (0x32),
	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x7c, ~(0xff << 16), (0xa0 << 16),

#if CONFIG_CK804_NUM > 1
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x20, 0xe00fffff, 0x11000000,
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x24, 0xc3f0ffff, 0x24040000,
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x80, 0x8c3f04df, 0x51407120,
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x84, 0xffffff8f, 0x00000010,
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x94, 0xff00ffff, 0x00c00000,
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0xcc, 0xf7ffffff, 0x00000000,
#endif

	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x24, 0xfcffff0f, 0x020000b0,
#if CONFIG_CK804_NUM > 1
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x24, 0xfcffff0f, 0x020000b0,
#endif

	/* Activate master port on primary SATA controller. */
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0x50), ~(0x1f000013), 0x15000013,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0x64), ~(0x00000001), 0x00000001,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0x68), ~(0x02000000), 0x02000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0x70), ~(0x000f0000), 0x00040000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0xa0), ~(0x000001ff), 0x00000150,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0xac), ~(0xffff8f00), 0x02aa8b00,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0x7c), ~(0x00000010), 0x00000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0xc8), ~(0x0fff0fff), 0x000a000a,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0xd0), ~(0xf0000000), 0x00000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 7, 0, 0xe0), ~(0xf0000000), 0x00000000,

	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0x50), ~(0x1f000013), 0x15000013,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0x64), ~(0x00000001), 0x00000001,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0x68), ~(0x02000000), 0x02000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0x70), ~(0x000f0000), 0x00040000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0xa0), ~(0x000001ff), 0x00000150,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0xac), ~(0xffff8f00), 0x02aa8b00,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0x7c), ~(0x00000010), 0x00000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0xc8), ~(0x0fff0fff), 0x000a000a,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0xd0), ~(0xf0000000), 0x00000000,
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 8, 0, 0xe0), ~(0xf0000000), 0x00000000,
#if CONFIG_CK804_NUM > 1
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0x50), ~(0x1f000013), 0x15000013,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0x64), ~(0x00000001), 0x00000001,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0x68), ~(0x02000000), 0x02000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0x70), ~(0x000f0000), 0x00040000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0xa0), ~(0x000001ff), 0x00000150,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0xac), ~(0xffff8f00), 0x02aa8b00,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0x7c), ~(0x00000010), 0x00000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0xc8), ~(0x0fff0fff), 0x000a000a,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0xd0), ~(0xf0000000), 0x00000000,
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 8, 0, 0xe0), ~(0xf0000000), 0x00000000,
#endif

	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x04, ~((0x3ff << 0) | (0x3ff << 10)), (0x21 << 0) | (0x22 << 10),
#if CONFIG_CK804_NUM > 1
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x04, ~((0x3ff << 0) | (0x3ff << 10)), (0x21 << 0) | (0x22 << 10),
#endif

	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x08, ~(0xfffff), (0x1c << 10) | 0x1b,
#if CONFIG_CK804_NUM > 1
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0x08, ~(0xfffff), (0x1c << 10) | 0x1b,
#endif

	RES_PORT_IO_32, ANACTRL_IO_BASE + 0x80, ~(1 << 3), 0x00000000,

	RES_PORT_IO_32, ANACTRL_IO_BASE + 0xcc, ~((7 << 4) | (1 << 8)), (CONFIG_CK804_PCI_E_X << 4) | (1 << 8),
#if CONFIG_CK804_NUM > 1
	RES_PORT_IO_32, CK804B_ANACTRL_IO_BASE + 0xcc, ~((7 << 4) | (1 << 8)), (CONFIG_CK804B_PCI_E_X << 4) | (1 << 8),
#endif

	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 8, ~(0xff), ((0 << 4) | (0 << 2) | (0 << 0)),
	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 9, ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)),
#if IS_ENABLED(CONFIG_CK804_USE_NIC)
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE +0xa, 0, 0xf8), 0xffffffbf, 0x00000040,
	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 19, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 3,  ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 3,  ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)),
	RES_PCI_IO, PCI_ADDR(0, CK804_DEVN_BASE + 1 , 0, 0xe4), ~(1 << 23), (1 << 23),
#endif

#if IS_ENABLED(CONFIG_CK804_USE_ACI)
	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 0x0d, ~(0xff), ((0 << 4) | (2 << 2) | (0 << 0)),
	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 0x1a, ~(0xff), ((0 << 4) | (2 << 2) | (0 << 0)),
#endif

#if CONFIG_CK804_NUM > 1
	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 0, ~(3 << 2), (0 << 2),
#endif

#if CONFIG_CK804_NUM > 1
#if IS_ENABLED(CONFIG_CK804_USE_NIC)
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE +0xa, 0, 0xf8), 0xffffffbf, 0x00000040,
	RES_PORT_IO_8, CK804B_SYSCTRL_IO_BASE + 0xc0 + 19, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
	RES_PORT_IO_8, CK804B_SYSCTRL_IO_BASE + 0xc0 + 3,  ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
	RES_PORT_IO_8, CK804B_SYSCTRL_IO_BASE + 0xc0 + 3,  ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)),
	RES_PCI_IO, PCI_ADDR(CK804B_BUSN, CK804B_DEVN_BASE + 1, 0, 0xe4), ~(1 << 23), (1 << 23),
#endif
#endif

#if IS_ENABLED(CONFIG_CK804_PCIE_PME_WAKE)
	RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe4), 0xffffffff, 0x00400000,
#else
	RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe4), 0xffbfffff, 0x00000000,
#endif

#ifdef CK804_MB_SETUP
	CK804_MB_SETUP
#endif
	};

	setup_resource_map_x(ctrl_conf, ARRAY_SIZE(ctrl_conf));

	setup_ss_table(ANACTRL_IO_BASE + 0x40, ANACTRL_IO_BASE + 0x44, ANACTRL_IO_BASE + 0x48, pcie_ss_tbl, 64);
	setup_ss_table(ANACTRL_IO_BASE + 0xb0, ANACTRL_IO_BASE + 0xb4, ANACTRL_IO_BASE + 0xb8, sata_ss_tbl, 64);
	setup_ss_table(ANACTRL_IO_BASE + 0xc0, ANACTRL_IO_BASE + 0xc4, ANACTRL_IO_BASE + 0xc8, cpu_ss_tbl, 64);

#if CONFIG_CK804_NUM > 1
	setup_ss_table(CK804B_ANACTRL_IO_BASE + 0x40, CK804B_ANACTRL_IO_BASE + 0x44, CK804B_ANACTRL_IO_BASE + 0x48, pcie_ss_tbl, 64);
	setup_ss_table(CK804B_ANACTRL_IO_BASE + 0xb0, CK804B_ANACTRL_IO_BASE + 0xb4, CK804B_ANACTRL_IO_BASE + 0xb8, sata_ss_tbl, 64);
	setup_ss_table(CK804B_ANACTRL_IO_BASE + 0xc0, CK804B_ANACTRL_IO_BASE + 0xc4, CK804B_ANACTRL_IO_BASE + 0xc8, cpu_ss_tbl, 64);
#endif

}

static int ck804_early_setup_x(void)
{
	ck804_early_set_port();
	ck804_early_setup();
	ck804_early_clear_port();
	return set_ht_link_ck804(4);
}

void do_hard_reset(void)
{
	set_bios_reset();

	/* full reset */
	outb(0x0a, 0x0cf9);
	outb(0x0e, 0x0cf9);
}

void do_soft_reset(void)
{
	set_bios_reset();

	/* link reset */
	outb(0x02, 0x0cf9);
	outb(0x06, 0x0cf9);
}
