#include <device/device.h>
#include <stddef.h>
#include <stdint.h>

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Macros
#define	LPC_IOE_EC_4E_4F (1 << 13)

#define	LPC_IOE_SUPERIO_2E_2F (1 << 12)

#define	LPC_IOE_EC_62_66 (1 << 11)

#define	LPC_IOE_KBC_60_64 (1 << 10)

#define	LPC_IOE_HGE_208 (1 << 9)

#define	LPC_IOE_LGE_200 (1 << 8)

#define	LPC_IOE_FDD_EN (1 << 3)

#define	LPC_IOE_LPT_EN (1 << 2)

#define	LPC_IOE_COMB_EN (1 << 1)

#define	LPC_IOE_COMA_EN (1 << 0)

#define	LPC_NUM_GENERIC_IO_RANGES 4

#define	PCR_LPC_PRC 0x341c

#define	PCR_LPC_CCE_EN 0xf

#define	PCR_LPC_PCE_EN (9 << 8)

Enumerations
enum	serirq_mode { SERIRQ_QUIET , SERIRQ_CONTINUOUS , SERIRQ_OFF }

Functions
uint16_t	lpc_enable_fixed_io_ranges (uint16_t io_enables)

uint16_t	lpc_get_fixed_io_decode (void)

uint16_t	lpc_set_fixed_io_ranges (uint16_t io_ranges, uint16_t mask)

void	lpc_open_pmio_window (uint16_t base, uint16_t size)

void	lpc_open_mmio_window (uintptr_t base, size_t size)

void	lpc_soc_init (struct device *dev)

void	pch_lpc_soc_fill_io_resources (struct device *dev)

void	lpc_set_bios_interface_lock_down (void)

void	lpc_set_lock_enable (void)

void	lpc_set_eiss (void)

void	lpc_set_serirq_mode (enum serirq_mode mode)

void	lpc_enable_pci_clk_cntl (void)

void	lpc_disable_clkrun (void)

void	lpc_io_setup_comm_a_b (void)

void	pch_enable_lpc (void)

void	soc_get_gen_io_dec_range (uint32_t gen_io_dec[LPC_NUM_GENERIC_IO_RANGES])

void	pch_lpc_add_new_resource (struct device *dev, uint8_t offset, uintptr_t base, size_t size, unsigned long flags)

void	pch_enable_ioapic (void)

void	pch_pirq_init (void)

void	pch_misc_init (void)

unsigned long	southbridge_write_acpi_tables (const struct device device, unsigned long current, struct acpi_rsdp rsdp)

const uint8_t *	lpc_get_pic_pirq_routing (size_t *num)

void	lpc_enable_wp (void)

void	lpc_disable_wp (void)

Macro Definition Documentation

◆ LPC_IOE_COMA_EN

#define LPC_IOE_COMA_EN (1 << 0)

Definition at line 25 of file lpc_lib.h.

◆ LPC_IOE_COMB_EN

#define LPC_IOE_COMB_EN (1 << 1)

Definition at line 24 of file lpc_lib.h.

◆ LPC_IOE_EC_4E_4F

#define LPC_IOE_EC_4E_4F (1 << 13)

Definition at line 16 of file lpc_lib.h.

◆ LPC_IOE_EC_62_66

#define LPC_IOE_EC_62_66 (1 << 11)

Definition at line 18 of file lpc_lib.h.

◆ LPC_IOE_FDD_EN

#define LPC_IOE_FDD_EN (1 << 3)

Definition at line 22 of file lpc_lib.h.

◆ LPC_IOE_HGE_208

#define LPC_IOE_HGE_208 (1 << 9)

Definition at line 20 of file lpc_lib.h.

◆ LPC_IOE_KBC_60_64

#define LPC_IOE_KBC_60_64 (1 << 10)

Definition at line 19 of file lpc_lib.h.

◆ LPC_IOE_LGE_200

#define LPC_IOE_LGE_200 (1 << 8)

Definition at line 21 of file lpc_lib.h.

◆ LPC_IOE_LPT_EN

#define LPC_IOE_LPT_EN (1 << 2)

Definition at line 23 of file lpc_lib.h.

◆ LPC_IOE_SUPERIO_2E_2F

#define LPC_IOE_SUPERIO_2E_2F (1 << 12)

Definition at line 17 of file lpc_lib.h.

◆ LPC_NUM_GENERIC_IO_RANGES

#define LPC_NUM_GENERIC_IO_RANGES 4

Definition at line 26 of file lpc_lib.h.

◆ PCR_LPC_CCE_EN

#define PCR_LPC_CCE_EN 0xf

Definition at line 30 of file lpc_lib.h.

◆ PCR_LPC_PCE_EN

#define PCR_LPC_PCE_EN (9 << 8)

Definition at line 31 of file lpc_lib.h.

◆ PCR_LPC_PRC

#define PCR_LPC_PRC 0x341c

Definition at line 29 of file lpc_lib.h.

Enumeration Type Documentation

◆ serirq_mode

enum serirq_mode

Enumerator
SERIRQ_QUIET
SERIRQ_CONTINUOUS
SERIRQ_OFF

Definition at line 34 of file lpc_lib.h.

Function Documentation

◆ lpc_disable_clkrun()

void lpc_disable_clkrun ( void )

Definition at line 297 of file lpc_lib.c.

References LPC_PCCTL, LPC_PCCTL_CLKRUN_EN, PCH_DEV_LPC, pci_read_config8(), and pci_write_config8().

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◆ lpc_disable_wp()

void lpc_disable_wp ( void )

Definition at line 218 of file lpc_lib.c.

References lpc_configure_write_protect().

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◆ lpc_enable_fixed_io_ranges()

uint16_t lpc_enable_fixed_io_ranges ( uint16_t io_enables )

Definition at line 21 of file lpc_lib.c.

References CONFIG, GPMR_LPCIOE, gpmr_write32(), LPC_IO_ENABLES, PCH_DEV_LPC, pci_read_config16(), and pci_write_config16().

Referenced by bootblock_ec_init(), bootblock_soc_early_init(), lpc_io_setup_comm_a_b(), mainboard_ec_init(), mainboard_enable(), and pch_early_iorange_init().

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◆ lpc_enable_pci_clk_cntl()

void lpc_enable_pci_clk_cntl ( void )

Definition at line 292 of file lpc_lib.c.

References LPC_PCCTL, LPC_PCCTL_CLKRUN_EN, PCH_DEV_LPC, and pci_write_config8().

Referenced by lpc_soc_init(), and variant_mainboard_final().

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◆ lpc_enable_wp()

void lpc_enable_wp ( void )

Definition at line 212 of file lpc_lib.c.

References lpc_configure_write_protect().

Referenced by lpc_lockdown_config().

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◆ lpc_get_fixed_io_decode()

uint16_t lpc_get_fixed_io_decode ( void )

Definition at line 34 of file lpc_lib.c.

References LPC_IO_DECODE, PCH_DEV_LPC, and pci_read_config16().

Referenced by lpc_set_fixed_io_ranges().

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◆ lpc_get_pic_pirq_routing()

const uint8_t* lpc_get_pic_pirq_routing ( size_t * num )

Definition at line 326 of file lpc_lib.c.

References ARRAY_SIZE, and pch_interrupt_routing.

Referenced by generate_pin_irq_map().

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◆ lpc_io_setup_comm_a_b()

void lpc_io_setup_comm_a_b ( void )

Definition at line 249 of file lpc_lib.c.

References CONFIG, lpc_enable_fixed_io_ranges(), LPC_IOD_COMA_RANGE, LPC_IOD_COMA_RANGE_MASK, LPC_IOD_COMB_RANGE, LPC_IOD_COMB_RANGE_MASK, LPC_IOE_COMA_EN, LPC_IOE_COMB_EN, and lpc_set_fixed_io_ranges().

Referenced by bootblock_soc_early_init(), init_cpld(), and pch_early_iorange_init().

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◆ lpc_open_mmio_window()

void lpc_open_mmio_window	(	uintptr_t	base,
		size_t	size
	)

Definition at line 128 of file lpc_lib.c.

References base, BIOS_ERR, BIOS_WARNING, CONFIG, GPMR_LPCGMR, gpmr_write32(), LPC_GENERIC_MEM_RANGE, LPC_LGMR_ADDR_MASK, LPC_LGMR_EN, LPC_LGMR_WINDOW_SIZE, PCH_DEV_LPC, pci_read_config32(), pci_write_config32(), and printk.

Referenced by mainboard_init().

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◆ lpc_open_pmio_window()

void lpc_open_pmio_window	(	uint16_t	base,
		uint16_t	size
	)

Definition at line 71 of file lpc_lib.c.

References ALIGN_UP, base, BIOS_DEBUG, BIOS_ERR, BIOS_SPEW, CONFIG, find_unused_pmio_window(), GPMR_LPCLGIR1, gpmr_write32(), log2_ceil(), LPC_GENERIC_IO_RANGE, LPC_LGIR_ADDR_MASK, LPC_LGIR_AMASK_MASK, LPC_LGIR_EN, LPC_LGIR_MAX_WINDOW_SIZE, LPC_NUM_GENERIC_IO_RANGES, MIN, PCH_DEV_LPC, pci_read_config32(), pci_write_config32(), and printk.

Referenced by bootblock_ec_init(), init_cpld(), and pch_lpc_loop_resources().

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◆ lpc_set_bios_interface_lock_down()

void lpc_set_bios_interface_lock_down ( void )

Definition at line 177 of file lpc_lib.c.

References LPC_BC_BILD, and lpc_set_bios_control_reg().

Referenced by lpc_lockdown_config().

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◆ lpc_set_eiss()

void lpc_set_eiss ( void )

Definition at line 193 of file lpc_lib.c.

References LPC_BC_EISS, and lpc_set_bios_control_reg().

Referenced by lpc_lockdown_config().

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◆ lpc_set_fixed_io_ranges()

uint16_t lpc_set_fixed_io_ranges	(	uint16_t	io_ranges,
		uint16_t	mask
	)

Definition at line 39 of file lpc_lib.c.

References CONFIG, GPMR_LPCIOD, gpmr_write32(), lpc_get_fixed_io_decode(), LPC_IO_DECODE, mask, PCH_DEV_LPC, and pci_write_config16().

Referenced by bootblock_soc_early_init(), lpc_io_setup_comm_a_b(), and pch_early_iorange_init().

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◆ lpc_set_lock_enable()

void lpc_set_lock_enable ( void )

Definition at line 185 of file lpc_lib.c.

References LPC_BC_LE, and lpc_set_bios_control_reg().

Referenced by lpc_lockdown_config().

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◆ lpc_set_serirq_mode()

void lpc_set_serirq_mode ( enum serirq_mode mode )

Definition at line 226 of file lpc_lib.c.

References LPC_SCNT_EN, LPC_SCNT_MODE, LPC_SERIRQ_CTL, PCH_DEV_LPC, pci_read_config8(), pci_write_config8(), SERIRQ_CONTINUOUS, SERIRQ_OFF, and SERIRQ_QUIET.

Referenced by lpc_soc_init().

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◆ lpc_soc_init()

void lpc_soc_init ( struct device * dev )

Definition at line 10 of file lpc.c.

References BIOS_SPEW, config, config_of(), i8259_configure_irq_trigger(), isa_dma_init(), lpc_enable_pci_clk_cntl(), lpc_set_serirq_mode(), PCH_DEV_LPC, pch_enable_ioapic(), pch_misc_init(), pch_pirq_init(), pci_and_config8(), printk, rtc_init(), soc_intel_apollolake_config::serirq_mode, and setup_i8259().

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◆ pch_enable_ioapic()

void pch_enable_ioapic ( void )

Definition at line 307 of file lpc_lib.c.

References IO_APIC_ADDR, ioapic_set_max_vectors(), PCH_REDIR_ETR, setup_ioapic(), and VIO_APIC_VADDR.

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◆ pch_enable_lpc()

void pch_enable_lpc ( void )

Definition at line 282 of file lpc_lib.c.

References ENV_PAYLOAD_LOADER, LPC_NUM_GENERIC_IO_RANGES, lpc_set_gen_decode_range(), pch_pirq_init(), and soc_get_gen_io_dec_range().

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◆ pch_lpc_add_new_resource()

void pch_lpc_add_new_resource	(	struct device *	dev,
		uint8_t	offset,
		uintptr_t	base,
		size_t	size,
		unsigned long	flags
	)

Definition at line 25 of file lpc.c.

References resource::base, base, resource::flags, new_resource(), offset, and resource::size.

Referenced by pch_lpc_add_io_resources(), and pch_lpc_add_mmio_resources().

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◆ pch_lpc_soc_fill_io_resources()

void pch_lpc_soc_fill_io_resources ( struct device * dev )

Definition at line 20 of file lpc.c.

Referenced by pch_lpc_add_io_resources().

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◆ pch_misc_init()

void pch_misc_init ( void )

Definition at line 394 of file lpc_lib.c.

References CMOS_NMI, inb(), NMI_DIS, outb(), PPI_PORT_B, and SERR_DIS.

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◆ pch_pirq_init()

void pch_pirq_init ( void )

Definition at line 353 of file lpc_lib.c.

References all_devices, DEVICE_PATH_PCI, device::enabled, itss_irq_init(), device::next, device::path, pch_interrupt_routing, PCH_IRQ10, PCH_IRQ11, PCI_BDF, PCI_INTERRUPT_LINE, PCI_INTERRUPT_PIN, pci_read_config8(), pci_write_config8(), and device_path::type.

Referenced by pch_enable_lpc().

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◆ soc_get_gen_io_dec_range()

void soc_get_gen_io_dec_range ( uint32_t gen_io_dec[LPC_NUM_GENERIC_IO_RANGES] )

Definition at line 23 of file espi.c.

References config, and config_of_soc.

Referenced by pch_enable_lpc().

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◆ southbridge_write_acpi_tables()

unsigned long southbridge_write_acpi_tables	(	const struct device *	device,
		unsigned long	current,
		struct acpi_rsdp *	rsdp
	)

Definition at line 13 of file tables.c.

References ACPI_ACCESS_SIZE_DWORD_ACCESS, acpi_write_dbg2_pci_uart(), acpi_write_hpet(), CONFIG, and uart_get_device().

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Macros

Enumerations

Functions

Macro Definition Documentation

◆ LPC_IOE_COMA_EN

◆ LPC_IOE_COMB_EN

◆ LPC_IOE_EC_4E_4F

◆ LPC_IOE_EC_62_66

◆ LPC_IOE_FDD_EN

◆ LPC_IOE_HGE_208

◆ LPC_IOE_KBC_60_64

◆ LPC_IOE_LGE_200

◆ LPC_IOE_LPT_EN

◆ LPC_IOE_SUPERIO_2E_2F

◆ LPC_NUM_GENERIC_IO_RANGES

◆ PCR_LPC_CCE_EN

◆ PCR_LPC_PCE_EN

◆ PCR_LPC_PRC

Enumeration Type Documentation

◆ serirq_mode

Function Documentation

◆ lpc_disable_clkrun()

◆ lpc_disable_wp()

◆ lpc_enable_fixed_io_ranges()

◆ lpc_enable_pci_clk_cntl()

◆ lpc_enable_wp()

◆ lpc_get_fixed_io_decode()

◆ lpc_get_pic_pirq_routing()

◆ lpc_io_setup_comm_a_b()

◆ lpc_open_mmio_window()

◆ lpc_open_pmio_window()

◆ lpc_set_bios_interface_lock_down()

◆ lpc_set_eiss()

◆ lpc_set_fixed_io_ranges()

◆ lpc_set_lock_enable()

◆ lpc_set_serirq_mode()

◆ lpc_soc_init()

◆ pch_enable_ioapic()

◆ pch_enable_lpc()

◆ pch_lpc_add_new_resource()

◆ pch_lpc_soc_fill_io_resources()

◆ pch_misc_init()

◆ pch_pirq_init()

◆ soc_get_gen_io_dec_range()

◆ southbridge_write_acpi_tables()