#include <soc/romstage.h>
#include <soc/reg_access.h>
#include <string.h>
static const struct reg_script clear_smi_and_wake_events[] = {
/* Clear any SMI or wake events */
REG_GPE0_READ(R_QNC_GPE0BLK_GPE0S),
REG_GPE0_READ(R_QNC_GPE0BLK_SMIS),
REG_GPE0_OR(R_QNC_GPE0BLK_GPE0S, B_QNC_GPE0BLK_GPE0S_ALL),
REG_GPE0_OR(R_QNC_GPE0BLK_SMIS, B_QNC_GPE0BLK_SMIS_ALL),
REG_SCRIPT_END
};
static const struct reg_script legacy_gpio_init[] = {
/* Temporarily enable the legacy GPIO controller */
REG_PCI_WRITE32(R_QNC_LPC_GBA_BASE, IO_ADDRESS_VALID
| LEGACY_GPIO_BASE_ADDRESS),
/* Temporarily enable the GPE controller */
REG_PCI_WRITE32(R_QNC_LPC_GPE0BLK, IO_ADDRESS_VALID
| GPE0_BASE_ADDRESS),
REG_PCI_OR8(PCI_COMMAND, PCI_COMMAND_IO),
REG_SCRIPT_END
};
static const struct reg_script i2c_gpio_controller_init[] = {
/* Temporarily enable the GPIO controller */
REG_PCI_WRITE32(PCI_BASE_ADDRESS_0, I2C_BASE_ADDRESS),
REG_PCI_WRITE32(PCI_BASE_ADDRESS_1, GPIO_BASE_ADDRESS),
REG_PCI_OR8(PCI_COMMAND, PCI_COMMAND_MEMORY),
REG_SCRIPT_END
};
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <reg_script.h>
#include <soc/iosf.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include "chip.h"
static const struct reg_script emmc_ops[] = {
/* Enable 2ms card stable feature. */
REG_PCI_OR32(0xa8, (1 << 24)),
/* Enable HS200 */
REG_PCI_WRITE32(0xa0, 0x446cc801),
REG_PCI_WRITE32(0xa4, 0x80000807),
/* cfio_regs_score_special_bits.sdio1_dummy_loopback_en=1 */
REG_IOSF_OR(IOSF_PORT_SCORE, 0x49c0, (1 << 3)),
/* CLKGATE_EN_1 . cr_scc_mipihsi_clkgate_en = 1 */
REG_IOSF_RMW(IOSF_PORT_CCU, 0x1c, ~(3 << 26), (1 << 26)),
/* Set slew for HS200 */
REG_IOSF_RMW(IOSF_PORT_SCORE, 0x48c0, ~0x3c, 0x3c),
REG_IOSF_RMW(IOSF_PORT_SCORE, 0x48c4, ~0x3c, 0x3c),
/* Max timeout */
REG_RES_WRITE8(PCI_BASE_ADDRESS_0, 0x002e, 0x0e),
REG_SCRIPT_END,
};
static void emmc_init(device_t dev)
{
* 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 <arch/io.h>
#include <device/pci_def.h>
#include <device/early_smbus.h>
#include <intelblocks/smbus.h>
#include <reg_script.h>
#include <soc/pci_devs.h>
#include "smbuslib.h"
static const struct reg_script smbus_init_script[] = {
/* Set SMBus I/O base address */
REG_PCI_WRITE32(PCI_BASE_ADDRESS_4, SMBUS_IO_BASE),
/* Set SMBus enable */
REG_PCI_WRITE8(HOSTC, HST_EN),
/* Enable I/O access */
REG_PCI_WRITE16(PCI_COMMAND, PCI_COMMAND_IO),
/* Disable interrupts */
REG_IO_WRITE8(SMBUS_IO_BASE + SMBHSTCTL, 0),
/* Clear errors */
REG_IO_WRITE8(SMBUS_IO_BASE + SMBHSTSTAT, 0xff),
/* Indicate the end of this array by REG_SCRIPT_END */
REG_SCRIPT_END,
};
u16 smbus_read_word(u32 smbus_dev, u8 addr, u8 offset)
{
return smbus_read16(SMBUS_IO_BASE, addr, offset);
#include <device/device.h>
#include <device/pci_def.h>
#include <reg_script.h>
#include <soc/iomap.h>
#include <soc/lpc.h>
#include <soc/pch.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/rcba.h>
#include <soc/romstage.h>
#include <soc/smbus.h>
#include <soc/intel/broadwell/chip.h>
const struct reg_script pch_early_init_script[] = {
/* Setup southbridge BARs */
REG_PCI_WRITE32(RCBA, RCBA_BASE_ADDRESS | 1),
REG_PCI_WRITE32(PMBASE, ACPI_BASE_ADDRESS | 1),
REG_PCI_WRITE8(ACPI_CNTL, ACPI_EN),
REG_PCI_WRITE32(GPIO_BASE, GPIO_BASE_ADDRESS | 1),
REG_PCI_WRITE8(GPIO_CNTL, GPIO_EN),
/* Set COM1/COM2 decode range */
REG_PCI_WRITE16(LPC_IO_DEC, 0x0010),
/* Enable legacy decode ranges */
REG_PCI_WRITE16(LPC_EN, CNF1_LPC_EN | CNF2_LPC_EN | GAMEL_LPC_EN |
COMA_LPC_EN | KBC_LPC_EN | MC_LPC_EN),
/* Enable IOAPIC */
REG_MMIO_WRITE16(RCBA_BASE_ADDRESS + OIC, 0x0100),
/* Read back for posted write */
REG_MMIO_READ16(RCBA_BASE_ADDRESS + OIC),
* Foundation, Inc.
*/
#include <arch/io.h>
#include <console/console.h>
#include <device/pci_ids.h>
#include <device/pci_def.h>
#include <reg_script.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/smbus.h>
#include <soc/romstage.h>
static const struct reg_script smbus_init_script[] = {
/* Set SMBUS I/O base address */
REG_PCI_WRITE32(SMB_BASE, SMBUS_BASE_ADDRESS | 1),
/* Set SMBUS enable */
REG_PCI_WRITE8(HOSTC, HST_EN),
/* Enable I/O access */
REG_PCI_WRITE16(PCI_COMMAND, PCI_COMMAND_IO),
/* Disable interrupts */
REG_IO_WRITE8(SMBUS_BASE_ADDRESS + SMBHSTCTL, 0),
/* Clear errors */
REG_IO_WRITE8(SMBUS_BASE_ADDRESS + SMBHSTSTAT, 0xff),
/* Indicate the end of this array by REG_SCRIPT_END */
REG_SCRIPT_END,
};
void enable_smbus(void)
{
reg_script_run_on_dev(PCH_DEV_SMBUS, smbus_init_script);
#include <soc/iosf.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
static const struct reg_script init_ops[] = {
/* Enable no snoop traffic. */
REG_PCI_OR16(0x78, 1 << 11),
/* Configure HDMI codec connection. */
REG_PCI_OR32(0xc4, 1 << 1),
REG_PCI_OR8(0x43, (1 << 3) | (1 << 6)),
REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xc0),
REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0x00),
/* Configure internal settings. */
REG_PCI_OR32(0xc0, 0x7 << 21),
REG_PCI_OR32(0xc4, (0x3 << 26) | (1 << 13) | (1 << 10)),
REG_PCI_WRITE32(0xc8, 0x82a30000),
REG_PCI_RMW32(0xd0, ~(1 << 31), 0x0),
/* Disable docking. */
REG_PCI_RMW8(0x4d, ~(1 << 7), 0),
REG_SCRIPT_END,
};
static const uint32_t hdmi_codec_verb_table[] = {
/* coreboot specific header */
0x80862882, /* vid did for hdmi codec */
0x00000000, /* subsystem id */
0x00000003, /* number of jacks */
/* pin widget 5 - port B */
0x20471c10,
0x20471d00,
const struct reg_script xhci_clock_gating_script[] = {
/* ConfigureXhciClockGating() */
/* D20:F0:40[21:19,18,10:8]=000,1,001 (don't write byte 3) */
REG_PCI_RMW16(0x40, ~0x0600, 0x0100),
REG_PCI_RMW8(0x42, ~0x38, 0x04),
/* D20:F0:44[5:3]=001b */
REG_PCI_RMW16(0x44, ~0x0030, 0x0008),
/* D20:F0:A0[19:18]=01b */
REG_PCI_RMW32(0xa0, ~0x00080000, 0x00040000),
/* D20:F0:A4[15:0]=0x00 */
REG_PCI_WRITE16(0xa4, 0x0000),
/* D20:F0:B0[21:17,14:13]=0000000b */
REG_PCI_RMW32(0xb0, ~0x00376000, 0x00000000),
/* D20:F0:50[31:0]=0x0bce6e5f */
REG_PCI_WRITE32(0x50, 0x0bce6e5f),
REG_SCRIPT_END
};
/* Warm Reset a USB3 port */
static void xhci_reset_port_usb3(device_t dev, int port)
{
struct reg_script reset_port_usb3_script[] = {
/* Issue Warm Port Rest to the port */
REG_RES_OR32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
XHCI_USB3_PORTSC_WPR),
/* Wait up to 100ms for it to complete */
REG_RES_POLL32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
XHCI_USB3_PORTSC_WRC, XHCI_USB3_PORTSC_WRC,
XHCI_RESET_TIMEOUT),
/* Clear change status bits, do not set PED */
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <arch/early_variables.h>
#include <delay.h>
#include <device/pci_def.h>
#include <reg_script.h>
#include <stdint.h>
#include <uart8250.h>
#include <soc/iobp.h>
#include <soc/serialio.h>
const struct reg_script uart_init[] = {
/* Set MMIO BAR */
REG_PCI_WRITE32(PCI_BASE_ADDRESS_0, CONFIG_TTYS0_BASE),
/* Enable Memory access and Bus Master */
REG_PCI_OR32(PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER),
/* Initialize LTR */
REG_MMIO_RMW32(CONFIG_TTYS0_BASE + SIO_REG_PPR_GEN,
~SIO_REG_PPR_GEN_LTR_MODE_MASK, 0),
REG_MMIO_RMW32(CONFIG_TTYS0_BASE + SIO_REG_PPR_RST,
~(SIO_REG_PPR_RST_ASSERT), 0),
/* Take UART out of reset */
REG_MMIO_OR32(CONFIG_TTYS0_BASE + SIO_REG_PPR_RST,
SIO_REG_PPR_RST_ASSERT),
/* Set M and N divisor inputs and enable clock */
REG_MMIO_WRITE32(CONFIG_TTYS0_BASE + SIO_REG_PPR_CLOCK,
SIO_REG_PPR_CLOCK_EN | SIO_REG_PPR_CLOCK_UPDATE |
(SIO_REG_PPR_CLOCK_N_DIV << 16) |
(SIO_REG_PPR_CLOCK_M_DIV << 1)),
