/* PantherPoint PCH Power Management init */
static void ppt_pm_init(struct device *dev)
{
printk(BIOS_DEBUG, "PantherPoint PM init\n");
pci_write_config8(dev, 0xa9, 0x47);
RCBA32_AND_OR(0x2238, ~0UL, (1 << 0));
RCBA32_AND_OR(0x228c, ~0UL, (1 << 0));
RCBA16_AND_OR(0x1100, ~0UL, (1 << 13)|(1 << 14));
RCBA16_AND_OR(0x0900, ~0UL, (1 << 14));
RCBA32(0x2304) = 0xc03b8400;
RCBA32_AND_OR(0x2314, ~0UL, (1 << 5)|(1 << 18));
RCBA32_AND_OR(0x2320, ~0UL, (1 << 15)|(1 << 1));
RCBA32_AND_OR(0x3314, ~0x1f, 0xf);
RCBA32(0x3318) = 0x054f0000;
RCBA32(0x3324) = 0x04000000;
RCBA32_AND_OR(0x3340, ~0UL, 0xfffff);
RCBA32_AND_OR(0x3344, ~0UL, (1 << 1)|(1 << 0));
RCBA32(0x3360) = 0x0001c000;
RCBA32(0x3368) = 0x00061100;
RCBA32(0x3378) = 0x7f8fdfff;
RCBA32(0x337c) = 0x000003fd;
RCBA32(0x3388) = 0x00001000;
RCBA32(0x3390) = 0x0001c000;
RCBA32(0x33a0) = 0x00000800;
RCBA32(0x33b0) = 0x00001000;
RCBA32(0x33c0) = 0x00093900;
RCBA32(0x33cc) = 0x24653002;
RCBA32(0x33d0) = 0x067388fe;
RCBA32_AND_OR(0x33d4, 0xf000f000, 0x00670060);
RCBA32(0x3a28) = 0x01010000;
RCBA32(0x3a2c) = 0x01010404;
RCBA32(0x3a80) = 0x01040000;
RCBA32_AND_OR(0x3a84, ~0x0000ffff, 0x00001001);
RCBA32_AND_OR(0x3a84, ~0UL, (1 << 24)); /* SATA 2/3 disabled */
RCBA32_AND_OR(0x3a88, ~0UL, (1 << 0)); /* SATA 4/5 disabled */
RCBA32(0x3a6c) = 0x00000001;
RCBA32_AND_OR(0x2344, 0x00ffff00, 0xff00000c);
RCBA32_AND_OR(0x80c, ~(0xff << 20), 0x11 << 20);
RCBA32_AND_OR(0x33a4, ~0UL, (1 << 0));
RCBA32(0x33c8) = 0;
RCBA32_AND_OR(0x21b0, ~0UL, 0xf);
}
void lan_init(void)
{
u16 io_base = 0;
struct device *ethernet_dev = NULL;
/* Get NIC's IO base address */
ethernet_dev = dev_find_device(PANTHER_NIC_VENDOR_ID,
PANTHER_NIC_DEVICE_ID, 0);
if (ethernet_dev != NULL) {
io_base = pci_read_config16(ethernet_dev, 0x10) & 0xfffe;
/*
* Battery life time - LAN PCIe should enter ASPM L1 to save
* power when LAN connection is idle.
* enable CLKREQ: LAN pci config space 0x81h=01
*/
pci_write_config8(ethernet_dev, 0x81, 0x01);
}
if (io_base) {
/* Program MAC address based on VPD data */
program_mac_address(io_base);
/*
* Program NIC LEDS
*
* RTL8105E Series EEPROM-Less Application Note,
* Section 5.6 LED Mode Configuration
*
* Step1: Write C0h to I/O register 0x50 via byte access to
* disable 'register protection'
* Step2: Write xx001111b to I/O register 0x52 via byte access
* (bit7 is LEDS1 and bit6 is LEDS0)
* Step3: Write 0x00 to I/O register 0x50 via byte access to
* enable 'register protection'
*/
outb(0xc0, io_base + 0x50); /* Disable protection */
outb((PANTHER_NIC_LED_MODE << 6) | 0x0f, io_base + 0x52);
outb(0x00, io_base + 0x50); /* Enable register protection */
}
}
static void ich7_enable_lpc(void)
{
// Enable Serial IRQ
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0);
// decode range
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0210);
// decode range
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x1f0d);
/* range 0x1600 - 0x167f */
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x84, 0x1601);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x86, 0x007c);
/* range 0x15e0 - 0x10ef */
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x88, 0x15e1);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8a, 0x000c);
/* range 0x1680 - 0x169f */
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8c, 0x1681);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8e, 0x001c);
}
static void ctrl_init(struct device *dev) {
/* TODO: Fix some ordering issue fo V-link set Rx77[6] and PCI1_Rx4F[0]
should to 1 */
/* C2P Read ACK Return Priority */
/* PCI CFG Address bits[27:24] are used as extended register address
bit[11:8] */
pci_write_config8(dev, 0x47, 0x30);
/* VT8237R specific configuration other SB are done in their own directories */
device_t devsb = dev_find_device(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237R_LPC, 0);
if (devsb) {
vt8237r_vlink_init(dev);
vt8237r_cfg(dev, devsb);
}
}
static void ich7_enable_lpc(void)
{
int lpt_en = 0;
if (read_option(lpt, 0) != 0)
lpt_en = LPT_LPC_EN;
// Enable Serial IRQ
pci_write_config8(PCI_DEV(0, 0x1f, 0), SERIRQ_CNTL, 0xd0);
// decode range
pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0007);
// decode range
pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, CNF2_LPC_EN | CNF1_LPC_EN
| MC_LPC_EN | KBC_LPC_EN | GAMEH_LPC_EN | GAMEL_LPC_EN
| FDD_LPC_EN| lpt_en | COMB_LPC_EN | COMA_LPC_EN);
// Enable 0x02e0 - 0x2ff
pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN1_DEC, 0x001c02e1);
// Enable 0x600 - 0x6ff
pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN2_DEC, 0x00fc0601);
// Enable 0x68 - 0x6f
pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN3_DEC, 0x00040069);
}
static void sio_setup(void)
{
uint32_t dword;
uint8_t byte;
enable_smbus();
// smbusx_write_byte(1, (0x58>>1), 0, 0x80); /* select bank0 */
smbusx_write_byte(1, (0x58 >> 1), 0xb1, 0xff); /* set FAN ctrl to DC mode */
byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
byte |= 0x20;
pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
dword |= (1 << 0);
pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
dword |= (1 << 16);
pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
}
static void ide_init(struct device *dev)
{
/* Enable ide devices so the linux ide driver will work */
u32 dword;
u8 byte;
/* RPR10.1 disable MSI */
dword = pci_read_config32(dev, 0x70);
dword &= ~(1 << 16);
pci_write_config32(dev, 0x70, dword);
/* Enable UDMA on all devices, it will become UDMA0 (default PIO is PIO0) */
byte = pci_read_config8(dev, 0x54);
byte |= 0xf;
pci_write_config8(dev, 0x54, byte);
/* Enable I/O Access&& Bus Master */
dword = pci_read_config16(dev, 0x4);
dword |= 1 << 2;
pci_write_config16(dev, 0x4, dword);
}
static void ich7_enable_lpc(void)
{
int lpt_en = 0;
if (read_option(lpt, 0) != 0) {
lpt_en = 1<<2; // enable LPT
}
// Enable Serial IRQ
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0);
// Set COM1/COM2 decode range
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0010);
// Enable COM1/COM2/KBD/SuperIO1+2
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x340b | lpt_en);
// Enable HWM at 0xa00
pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x00fc0a01);
// COM3 decode
pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x88, 0x000403e9);
// COM4 decode
pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x8c, 0x000402e9);
// io 0x300 decode
pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x90, 0x00000301);
}
static void enable_smbus(void)
{
uint32_t reg;
const uint32_t smbus_dev = PCI_DEV(0, SMBUS_DEV, SMBUS_FUNC);
/* SMBus I/O BAR */
reg = SMBUS_BASE_ADDRESS | 2;
pci_write_config32(smbus_dev, PCI_BASE_ADDRESS_4, reg);
/* Enable decode of I/O space. */
reg = pci_read_config16(smbus_dev, PCI_COMMAND);
reg |= 0x1;
pci_write_config16(smbus_dev, PCI_COMMAND, reg);
/* Enable Host Controller */
reg = pci_read_config8(smbus_dev, 0x40);
reg |= 1;
pci_write_config8(smbus_dev, 0x40, reg);
/* Configure pads to be used for SMBus */
score_select_func(PCU_SMB_CLK_PAD, 1);
score_select_func(PCU_SMB_DATA_PAD, 1);
}
/*
* Enables several BARs and devices which are needed for memory init
* - MCH_BASE_ADDR is needed in order to talk to the memory controller
* - PMC_BAR0 and PMC_BAR1 are used by FSP (with the base address hardcoded)
* Once raminit is done, we can safely let the allocator re-assign them
* - HPET is enabled because FSP wants to store a pointer to global data in the
* HPET comparator register
*/
static void soc_early_romstage_init(void)
{
device_t pmc = PMC_DEV;
/* Set MCH base address and enable bit */
pci_write_config32(NB_DEV_ROOT, MCHBAR, MCH_BASE_ADDR | 1);
/* Set PMC base addresses and enable decoding. */
pci_write_config32(pmc, PCI_BASE_ADDRESS_0, PMC_BAR0);
pci_write_config32(pmc, PCI_BASE_ADDRESS_1, 0); /* 64-bit BAR */
pci_write_config32(pmc, PCI_BASE_ADDRESS_2, PMC_BAR1);
pci_write_config32(pmc, PCI_BASE_ADDRESS_3, 0); /* 64-bit BAR */
pci_write_config16(pmc, PCI_BASE_ADDRESS_4, ACPI_PMIO_BASE);
pci_write_config16(pmc, PCI_COMMAND,
PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
PCI_COMMAND_MASTER);
/* Enable decoding for HPET. Needed for FSP global pointer storage */
pci_write_config8(P2SB_DEV, P2SB_HPTC, P2SB_HPTC_ADDRESS_SELECT_0 |
P2SB_HPTC_ADDRESS_ENABLE);
}
void sdram_set_registers(void)
{
int i, max;
uint8_t reg;
PRINT_DEBUG("Northbridge prior to SDRAM init:\n");
DUMPNORTH();
max = ARRAY_SIZE(register_values);
/* Set registers as specified in the register_values[] array. */
for (i = 0; i < max; i += 3) {
reg = pci_read_config8(NB, register_values[i]);
reg &= register_values[i + 1];
reg |= register_values[i + 2] & ~(register_values[i + 1]);
pci_write_config8(NB, register_values[i], reg);
#if 0
PRINT_DEBUG(" Set register 0x%02x to 0x%02x\n",
register_values[i], reg);
#endif
}
}
/*This routine process the ability for North Bridge side burst functionality
There are 3 variances that are valid:
1. DIMM BL=8, chipset BL=8
2. DIMM BL=4, chipset BL=4
3. DIMM BL=4, chipset BL=8 (only happened on Dual channel)
Device 0 function 2 HOST:REG54[4] must be 1 when 128-bit mode.
Since DIMM will be initialized in each rank individually,
1.If all DIMM BL=4, DIMM will initialize BL=4 first,
then check dual_channel flag to enable VIA_NB2HOST_REG54[4].
2.If all DIMM BL=8, DIMM will initialize BL=8 first,
then check dual_channel flag for re-initialize DIMM BL=4.
also VIA_NB2HOST_REG54[4] need to be enabled.
Chipset_BL8==>chipset side can set burst length=8
two register need to set
1. Device 0 function 2 HOST:REG54[4]
2. Device 0 function 3 DRAM:REG6C[3]
*/
void DRAMBurstLength(DRAM_SYS_ATTR * DramAttr)
{
u8 Data, BL;
u8 Sockets;
/*SPD byte16 bit3,2 describes the burst length supported. bit3=1 support BL=8 bit2=1 support BL=4 */
BL = 0x0c;
for (Sockets = 0; Sockets < 2; Sockets++) {
if (DramAttr->DimmInfo[Sockets].bPresence) {
BL &=
(DramAttr->
DimmInfo[Sockets].SPDDataBuf
[SPD_SDRAM_BURSTLENGTH]);
}
}
/*D0F3Rx6c bit3 CHA SDRAM effective burst length, for 64bit mode ranks =0 BL=4 ; =1 BL=8 */
if (BL & 0x08) /*All Assembly support BL=8 */
BL = 0x8; /*set bit3 */
else
BL = 0x00; /*clear bit3 */
Data = pci_read_config8(MEMCTRL, 0x6c);
Data = (u8) ((Data & 0xf7) | BL);
#if ENABLE_CHB
if (DramAttr->RankNumChB > 0) {
BL = DramAttr->DimmInfo[2].SPDDataBuf[SPD_SDRAM_BURSTLENGTH];
//Rx6c[1], CHB burst length
if (BL & 0x08) /*CHB support BL=8 */
BL = 0x2; /*set bit1 */
else
BL = 0x00; /*clear bit1 */
Data = (Data & 0xFD) | BL;
}
#endif
pci_write_config8(MEMCTRL, 0x6c, Data);
}
static void lpc_init(struct device *dev)
{
uint8_t scnt;
struct soc_intel_apollolake_config *cfg;
cfg = dev->chip_info;
if (!cfg) {
printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
return;
}
scnt = pci_read_config8(dev, REG_SERIRQ_CTL);
scnt &= ~(SCNT_EN | SCNT_MODE);
if (cfg->serirq_mode == SERIRQ_QUIET)
scnt |= SCNT_EN;
else if (cfg->serirq_mode == SERIRQ_CONTINUOUS)
scnt |= SCNT_EN | SCNT_MODE;
pci_write_config8(dev, REG_SERIRQ_CTL, scnt);
/* Initialize RTC */
rtc_init();
}
static void ide_init(struct device *dev)
{
struct southbridge_nvidia_ck804_config *conf;
u32 dword;
u16 word;
u8 byte;
conf = dev->chip_info;
word = pci_read_config16(dev, 0x50);
/* Ensure prefetch is disabled. */
word &= ~((1 << 15) | (1 << 13));
if (conf->ide1_enable) {
/* Enable secondary IDE interface. */
word |= (1 << 0);
printk(BIOS_DEBUG, "IDE1 \t");
}
if (conf->ide0_enable) {
/* Enable primary IDE interface. */
word |= (1 << 1);
printk(BIOS_DEBUG, "IDE0\n");
}
word |= (1 << 12);
word |= (1 << 14);
pci_write_config16(dev, 0x50, word);
byte = 0x20; /* Latency: 64 --> 32 */
pci_write_config8(dev, 0xd, byte);
dword = pci_read_config32(dev, 0xf8);
dword |= 12;
pci_write_config32(dev, 0xf8, dword);
#if CONFIG_PCI_ROM_RUN
pci_dev_init(dev);
#endif
}
static void pch_rtc_init(void)
{
u8 reg8;
int rtc_failed;
/*PMC Controller Device 0x1F, Func 02*/
device_t dev = PCH_DEV_PMC;
reg8 = pci_read_config8(dev, GEN_PMCON_B);
rtc_failed = reg8 & RTC_BATTERY_DEAD;
if (rtc_failed) {
reg8 &= ~RTC_BATTERY_DEAD;
pci_write_config8(dev, GEN_PMCON_B, reg8);
printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed);
}
/* Ensure the date is set including century byte. */
cmos_check_update_date();
if (IS_ENABLED(CONFIG_VBOOT_VBNV_CMOS))
init_vbnv_cmos(rtc_failed);
else
cmos_init(rtc_failed);
}
static UINT8 select_socket(UINT8 socket_id)
{
device_t sm_dev = PCI_DEV(0, 0x14, 0); //SMBus
UINT8 value = 0;
UINT8 gpio56_to_53 = 0;
/* Configure GPIO54,53 to select the desired socket
* GPIO54,53 control the HC4052 S1,S0
* S1 S0 true table
* 0 0 channel 1 (Socket1)
* 0 1 channel 2 (Socket2)
* 1 0 channel 3 (Socket3)
* 1 1 channel 4 (Socket4)
*/
gpio56_to_53 = pci_read_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL);
value = gpio56_to_53 & (~GPIO_OUT_BIT_GPIO54_to_53_MASK);
value |= socket_id;
value &= (~GPIO_OUT_ENABLE_BIT_GPIO54_to_53_MASK); // 0=Output Enabled, 1=Tristate
pci_write_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL, value);
return gpio56_to_53;
}
static void sio_setup(void)
{
unsigned value;
uint32_t dword;
uint8_t byte;
pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1, 0), 0xac, 0x047f0400);
byte = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b);
byte |= 0x20;
pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b, byte);
dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0);
dword |= (1<<29)|(1<<0);
pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0, dword);
lpc47b397_enable_serial(SUPERIO_GPIO_DEV, SUPERIO_GPIO_IO_BASE);
value = lpc47b397_gpio_offset_in(SUPERIO_GPIO_IO_BASE, 0x77);
value &= 0xbf;
lpc47b397_gpio_offset_out(SUPERIO_GPIO_IO_BASE, 0x77, value);
}
static int pch_pirq_init(const void *blob, int node, pci_dev_t dev)
{
uint8_t route[8], *ptr;
if (fdtdec_get_byte_array(blob, node, "intel,pirq-routing", route,
sizeof(route)))
return -EINVAL;
ptr = route;
pci_write_config8(dev, PIRQA_ROUT, *ptr++);
pci_write_config8(dev, PIRQB_ROUT, *ptr++);
pci_write_config8(dev, PIRQC_ROUT, *ptr++);
pci_write_config8(dev, PIRQD_ROUT, *ptr++);
pci_write_config8(dev, PIRQE_ROUT, *ptr++);
pci_write_config8(dev, PIRQF_ROUT, *ptr++);
pci_write_config8(dev, PIRQG_ROUT, *ptr++);
pci_write_config8(dev, PIRQH_ROUT, *ptr++);
/*
* TODO([email protected]): U-Boot does not set up the interrupts
* here. It's unclear if it is needed
*/
return 0;
}
static void mb_lpc_setup(void)
{
u32 reg32;
/* Set the value for GPIO base address register and enable GPIO. */
pci_write_config32(LPC_DEV, GPIO_BASE, (DEFAULT_GPIOBASE | 1));
pci_write_config8(LPC_DEV, GPIO_CNTL, 0x10);
setup_pch_gpios(&mainboard_gpio_map);
/* Set GPIOs on superio, enable UART */
if (IS_ENABLED(CONFIG_SUPERIO_NUVOTON_NCT6776)) {
nuvoton_pnp_enter_conf_state(SERIAL_DEV_R2);
pnp_set_logical_device(SERIAL_DEV_R2);
pnp_write_config(SERIAL_DEV_R2, 0x1c, 0x80);
pnp_write_config(SERIAL_DEV_R2, 0x27, 0x80);
pnp_write_config(SERIAL_DEV_R2, 0x2a, 0x60);
nuvoton_pnp_exit_conf_state(SERIAL_DEV_R2);
nuvoton_enable_serial(SERIAL_DEV_R2, CONFIG_TTYS0_BASE);
} else {
winbond_enable_serial(SERIAL_DEV_R1, CONFIG_TTYS0_BASE);
}
/* IRQ routing */
RCBA16(D31IR) = 0x0132;
RCBA16(D29IR) = 0x0237;
/* Enable IOAPIC */
RCBA8(OIC) = 0x03;
RCBA8(OIC);
reg32 = RCBA32(GCS);
reg32 |= (1 << 5);
RCBA32(GCS) = reg32;
RCBA32(FD) = FD_PCIE6 | FD_PCIE5 | FD_PCIE4 | FD_PCIE3 | FD_ACMOD
| FD_ACAUD | 1;
RCBA32(CG) = 0x00000001;
}
static void pch_enable_apic(struct device *dev)
{
int i;
u32 reg32;
volatile u32 *ioapic_index = (volatile u32 *)(IO_APIC_ADDR);
volatile u32 *ioapic_data = (volatile u32 *)(IO_APIC_ADDR + 0x10);
/* Enable ACPI I/O and power management.
* Set SCI IRQ to IRQ9
*/
pci_write_config8(dev, ACPI_CNTL, 0x80);
*ioapic_index = 0;
*ioapic_data = (1 << 25);
/* affirm full set of redirection table entries ("write once") */
*ioapic_index = 1;
reg32 = *ioapic_data;
*ioapic_index = 1;
*ioapic_data = reg32;
*ioapic_index = 0;
reg32 = *ioapic_data;
printk(BIOS_DEBUG, "Southbridge APIC ID = %x\n", (reg32 >> 24) & 0x0f);
if (reg32 != (1 << 25))
die("APIC Error\n");
printk(BIOS_SPEW, "Dumping IOAPIC registers\n");
for (i=0; i<3; i++) {
*ioapic_index = i;
printk(BIOS_SPEW, " reg 0x%04x:", i);
reg32 = *ioapic_data;
printk(BIOS_SPEW, " 0x%08x\n", reg32);
}
*ioapic_index = 3; /* Select Boot Configuration register. */
*ioapic_data = 1; /* Use Processor System Bus to deliver interrupts. */
}
static void bcm5785_enable_wdt_port_cf9(void)
{
pci_devfn_t dev;
uint32_t dword;
uint32_t dword_old;
dev = pci_locate_device(PCI_ID(0x1166, 0x0205), 0);
dword_old = pci_read_config32(dev, 0x4c);
dword = dword_old | (1 << 4); //enable Timer Func
if (dword != dword_old)
pci_write_config32(dev, 0x4c, dword);
dword_old = pci_read_config32(dev, 0x6c);
dword = dword_old | (1 << 9); //unhide Timer Func in pci space
if (dword != dword_old)
pci_write_config32(dev, 0x6c, dword);
dev = pci_locate_device(PCI_ID(0x1166, 0x0238), 0);
/* enable cf9 */
pci_write_config8(dev, 0x40, 1 << 2);
}
static void enable_smbus(void)
{
device_t dev;
uint8_t enable;
dev = pci_locate_device(PCI_ID(0x1022, 0x746b), 0);
if (dev == PCI_DEV_INVALID) {
die("SMBUS controller not found\n");
}
pci_write_config32(dev, 0x58, SMBUS_IO_BASE | 1);
enable = pci_read_config8(dev, 0x41);
pci_write_config8(dev, 0x41, enable | (1 << 7));
/* check that we can see the smbus controller I/O. */
if (inw(SMBUS_IO_BASE)==0xFF){
die("SMBUS controller I/O not found\n");
}
/* clear any lingering errors, so the transaction will run */
outw(inw(SMBUS_IO_BASE + SMBGSTATUS), SMBUS_IO_BASE + SMBGSTATUS);
print_spew("SMBus controller enabled\n");
}
static void vt8231_enable_rom(void)
{
device_t dev;
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_8231), 0);
/*
* ROM decode control register (0x43):
*
* Bit Decode range
* -----------------
* 7 0xFFFE0000-0xFFFEFFFF
* 6 0xFFF80000-0xFFFDFFFF
* 5 0xFFF00000-0xFFF7FFFF
* 4 0x000E0000-0x000EFFFF
* 3 0x000D8000-0x000DFFFF
* 2 0x000D0000-0x000D7FFF
* 1 0x000C8000-0x000CFFFF
* 0 0x000C0000-0x000C7FFF
*/
pci_write_config8(dev, 0x43, (1 << 7) | (1 << 6) | (1 << 5));
}
void enable_pm(void)
{
device_t dev;
u8 reg8;
u16 reg16;
/* Get the SMBus/PM device of the 82371AB/EB/MB. */
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82371AB_SMB_ACPI), 0);
/* Set the PM I/O base. */
pci_write_config32(dev, PMBA, DEFAULT_PMBASE | 1);
/* Enable access to the PM I/O space. */
reg16 = pci_read_config16(dev, PCI_COMMAND);
reg16 |= PCI_COMMAND_IO;
pci_write_config16(dev, PCI_COMMAND, reg16);
/* PM I/O Space Enable (PMIOSE). */
reg8 = pci_read_config8(dev, PMREGMISC);
reg8 |= PMIOSE;
pci_write_config8(dev, PMREGMISC, reg8);
}
void SetTrcd(DRAM_SYS_ATTR * DramAttr)
{
u8 Data;
u16 Max, Tmp;
u8 Socket;
/*get the max Trcd value from SPD data
SPD Byte29, Bit7:2->1ns~63ns, Bit1:0->0ns, 0.25ns, 0.50ns, 0.75ns */
Max = 0;
for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
if (DramAttr->DimmInfo[Socket].bPresence) {
Tmp =
(u16) (DramAttr->
DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRCD]);
if (Tmp > Max)
Max = Tmp;
}
}
/*Calculate clock,this value should be 2T,3T,4T,5T */
Tmp =
(u16) CEIL_DIV(Max * 100, (DramAttr->DramCyc) << 2);
PRINT_DEBUG_MEM("Trcd =");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
if (Tmp > MAX_TRCD)
Tmp = MAX_TRCD;
else if (Tmp < MIN_TRCD)
Tmp = MIN_TRCD;
Tmp -= 2; //00->2T, 01->3T, 10->4T, 11->5T
Tmp <<= 5; //bit5,6,7
Data = pci_read_config8(MEMCTRL, 0x64);
Data = (u8) ((Data & 0x1f) | (u8) Tmp);
pci_write_config8(MEMCTRL, 0x64, Data);
}
void hudson_pci_port80(void)
{
u8 byte;
pci_devfn_t dev;
/* P2P Bridge */
dev = PCI_DEV(0, 0x14, 4);
/* Chip Control: Enable subtractive decoding */
byte = pci_read_config8(dev, 0x40);
byte |= 1 << 5;
pci_write_config8(dev, 0x40, byte);
/* Misc Control: Enable subtractive decoding if 0x40 bit 5 is set */
byte = pci_read_config8(dev, 0x4B);
byte |= 1 << 7;
pci_write_config8(dev, 0x4B, byte);
/* The same IO Base and IO Limit here is meaningful because we set the
* bridge to be subtractive. During early setup stage, we have to make
* sure that data can go through port 0x80.
*/
/* IO Base: 0xf000 */
byte = pci_read_config8(dev, 0x1C);
byte |= 0xF << 4;
pci_write_config8(dev, 0x1C, byte);
/* IO Limit: 0xf000 */
byte = pci_read_config8(dev, 0x1D);
byte |= 0xF << 4;
pci_write_config8(dev, 0x1D, byte);
/* PCI Command: Enable IO response */
byte = pci_read_config8(dev, 0x04);
byte |= 1 << 0;
pci_write_config8(dev, 0x04, byte);
/* LPC controller */
dev = PCI_DEV(0, 0x14, 3);
byte = pci_read_config8(dev, 0x4A);
byte &= ~(1 << 5); /* disable lpc port 80 */
pci_write_config8(dev, 0x4A, byte);
}
static void haswell_setup_bars(void)
{
printk(BIOS_DEBUG, "Setting up static northbridge registers...");
/* Set up all hardcoded northbridge BARs */
pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR, DEFAULT_EPBAR | 1);
pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR + 4, (0LL+DEFAULT_EPBAR) >> 32);
pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR, DEFAULT_MCHBAR | 1);
pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR + 4, (0LL+DEFAULT_MCHBAR) >> 32);
pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR, (uintptr_t)DEFAULT_DMIBAR | 1);
pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR + 4, (0LL+(uintptr_t)DEFAULT_DMIBAR) >> 32);
/* Set C0000-FFFFF to access RAM on both reads and writes */
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM0, 0x30);
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM1, 0x33);
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM2, 0x33);
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM3, 0x33);
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM4, 0x33);
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM5, 0x33);
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM6, 0x33);
printk(BIOS_DEBUG, " done.\n");
}
static void usb_init(struct device *dev)
{
printk(BIOS_DEBUG, "USB 1.1 INIT:---------->\n");
//-------------- enable USB1.1 (SiS7001) -------------------------
{
uint8_t temp8;
int i=0;
while(SiS_SiS7001_init[i][0] != 0)
{ temp8 = pci_read_config8(dev, SiS_SiS7001_init[i][0]);
temp8 &= SiS_SiS7001_init[i][1];
temp8 |= SiS_SiS7001_init[i][2];
pci_write_config8(dev, SiS_SiS7001_init[i][0], temp8);
i++;
};
}
//-----------------------------------------------------------
#if DEBUG_USB
{
int i;
printk(BIOS_DEBUG, "****** USB 1.1 PCI config ******");
printk(BIOS_DEBUG, "\n 03020100 07060504 0B0A0908 0F0E0D0C");
for(i=0;i<0xff;i+=4){
if((i%16)==0)
printk(BIOS_DEBUG, "\n%02x: ", i);
printk(BIOS_DEBUG, "%08x ", pci_read_config32(dev,i));
}
printk(BIOS_DEBUG, "\n");
}
#endif
printk(BIOS_DEBUG, "USB 1.1 INIT:<----------\n");
}
void SetTras(DRAM_SYS_ATTR * DramAttr)
{
u8 Data;
u16 Max, Tmp;
u8 Socket;
/*get the max Tras value from SPD data
SPD byte30: bit0:7 1ns~255ns */
Max = 0;
for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
if (DramAttr->DimmInfo[Socket].bPresence) {
Tmp =
(u16) (DramAttr->
DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRAS]);
if (Tmp > Max)
Max = Tmp;
}
}
/*Calculate clock,value range 5T-20T */
Tmp = (u16) CEIL_DIV((Max * 100), DramAttr->DramCyc);
PRINT_DEBUG_MEM("Tras =");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
if (Tmp > MAX_TRAS)
Tmp = MAX_TRAS;
else if (Tmp < MIN_TRAS)
Tmp = MIN_TRAS;
Tmp -= 5; //0->5T ... 1111->20T
Tmp <<= 4; //bit4:7
Data = pci_read_config8(MEMCTRL, 0x62);
Data = (u8) ((Data & 0x0f) | (u8) Tmp);
pci_write_config8(MEMCTRL, 0x62, Data);
}
static void usb_i_init(struct device *dev)
{
#if CONFIG_EPIA_VT8237R_INIT
u8 reg8;
printk(BIOS_DEBUG, "Entering %s\n", __func__);
reg8 = pci_read_config8(dev, 0x04);
printk(BIOS_SPEW, "%s Read %02X from PCI Command Reg\n", dev_path(dev), reg8);
reg8 = reg8 | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config8(dev, 0x04, reg8);
printk(BIOS_SPEW, "%s Wrote %02X to PCI Command Reg\n", dev_path(dev), reg8);
/* Set Cache Line Size and Latency Timer */
pci_write_config8(dev, 0x0c, 0x08);
pci_write_config8(dev, 0x0d, 0x20);
/* Enable Sub Device ID Back Door and set Generic */
reg8 = pci_read_config8(dev, 0x42);
reg8 |= 0x10;
pci_write_config8(dev, 0x42, reg8);
pci_write_config16(dev, 0x2e, 0xAA07);
reg8 &= ~0x10;
pci_write_config8(dev, 0x42, reg8);
pci_write_config8(dev, 0x41, 0x12);
pci_write_config8(dev, 0x49, 0x0B);
/* Clear PCI Status */
pci_write_config16(dev, 0x06, 0x7A10);
#endif
return;
}
