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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
* Copyright (C) 2010 Advanced Micro Devices, Inc.
*
* 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 <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <arch/io.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <device/pci_def.h>
#include <southbridge/amd/sb700/sb700.h>
#include <southbridge/amd/sr5650/cmn.h>
void set_pcie_reset(void);
void set_pcie_dereset(void);
void set_pcie_reset(void)
{
struct device *pcie_core_dev;
pcie_core_dev = dev_find_slot(0, PCI_DEVFN(0, 0));
set_htiu_enable_bits(pcie_core_dev, 0xA8, 0xFFFFFFFF, 0x28282828);
set_htiu_enable_bits(pcie_core_dev, 0xA9, 0x000000FF, 0x00000028);
}
void set_pcie_dereset(void)
{
struct device *pcie_core_dev;
pcie_core_dev = dev_find_slot(0, PCI_DEVFN(0, 0));
set_htiu_enable_bits(pcie_core_dev, 0xA8, 0xFFFFFFFF, 0x6F6F6F6F);
set_htiu_enable_bits(pcie_core_dev, 0xA9, 0x000000FF, 0x0000006F);
}
/*************************************************
* enable the dedicated function in kgpe-d16 board.
* This function is called earlier than sr5650_enable.
*************************************************/
static void mainboard_enable(struct device *dev)
{
printk(BIOS_INFO, "Mainboard KCMA-D8 initializing, dev=0x%p\n", dev);
msr_t msr, msr2;
/* TOP_MEM: the top of DRAM below 4G */
msr = rdmsr(TOP_MEM);
printk
(BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
__func__, msr.lo, msr.hi);
/* TOP_MEM2: the top of DRAM above 4G */
msr2 = rdmsr(TOP_MEM2);
printk
(BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
__func__, msr2.lo, msr2.hi);
set_pcie_dereset();
/* get_ide_dma66(); */
}
/* override the default SATA PHY setup */
void sb7xx_51xx_setup_sata_phys(struct device *dev)
{
/* RPR7.6.1 Program the PHY Global Control to 0x2C00 */
pci_write_config16(dev, 0x86, 0x2c00);
/* RPR7.6.2 SATA GENI PHY ports setting */
pci_write_config32(dev, 0x88, 0x01b48016);
pci_write_config32(dev, 0x8c, 0x01b48016);
pci_write_config32(dev, 0x90, 0x01b48016);
pci_write_config32(dev, 0x94, 0x01b48016);
pci_write_config32(dev, 0x98, 0x01b48016);
pci_write_config32(dev, 0x9c, 0x01b48016);
/* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */
pci_write_config16(dev, 0xa0, 0xa07a);
pci_write_config16(dev, 0xa2, 0xa07a);
pci_write_config16(dev, 0xa4, 0xa07a);
pci_write_config16(dev, 0xa6, 0xa07a);
pci_write_config16(dev, 0xa8, 0xa07a);
pci_write_config16(dev, 0xaa, 0xa07a);
}
/* override the default SATA port setup */
void sb7xx_51xx_setup_sata_port_indication(void *sata_bar5)
{
uint32_t dword;
/* RPR7.9 Program Port Indication Registers */
dword = read32(sata_bar5 + 0xf8);
dword &= ~(0x3f << 12); /* All ports are iSATA */
dword &= ~0x3f;
write32(sata_bar5 + 0xf8, dword);
dword = read32(sata_bar5 + 0xfc);
dword &= ~(0x1 << 20); /* No eSATA ports are present */
write32(sata_bar5 + 0xfc, dword);
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
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