reg_access.c File Reference

#include <arch/io.h>
#include <assert.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/cr.h>
#include <console/console.h>
#include <delay.h>
#include <device/pci_ops.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <soc/reg_access.h>

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Macros
#define	__SIMPLE_DEVICE__

Functions
static uint16_t	get_gpe0_address (uint32_t reg_address)
static uint32_t *	get_gpio_address (uint32_t reg_address)
void *	get_i2c_address (void)
static uint16_t	get_legacy_gpio_address (uint32_t reg_address)
static uint32_t	mtrr_index_to_host_bridge_register_offset (unsigned long index)
void	mcr_write (uint8_t opcode, uint8_t port, uint32_t reg_address)
uint32_t	mdr_read (void)
void	mdr_write (uint32_t value)
void	mea_write (uint32_t reg_address)
uint32_t	port_reg_read (uint8_t port, uint32_t offset)
void	port_reg_write (uint8_t port, uint32_t offset, uint32_t value)
static CRx_TYPE	reg_cpu_cr_read (uint32_t reg_address)
static void	reg_cpu_cr_write (uint32_t reg_address, CRx_TYPE value)
static uint32_t	reg_gpe0_read (uint32_t reg_address)
static void	reg_gpe0_write (uint32_t reg_address, uint32_t value)
static uint32_t	reg_gpio_read (uint32_t reg_address)
static void	reg_gpio_write (uint32_t reg_address, uint32_t value)
uint32_t	reg_host_bridge_unit_read (uint32_t reg_address)
static void	reg_host_bridge_unit_write (uint32_t reg_address, uint32_t value)
uint32_t	reg_legacy_gpio_read (uint32_t reg_address)
void	reg_legacy_gpio_write (uint32_t reg_address, uint32_t value)
static uint32_t	reg_pcie_afe_read (uint32_t reg_address)
static void	reg_pcie_afe_write (uint32_t reg_address, uint32_t value)
uint32_t	reg_rmu_temp_read (uint32_t reg_address)
static void	reg_rmu_temp_write (uint32_t reg_address, uint32_t value)
static uint32_t	reg_soc_unit_read (uint32_t reg_address)
static void	reg_soc_unit_write (uint32_t reg_address, uint32_t value)
static uint32_t	reg_usb_read (uint32_t reg_address)
static void	reg_usb_write (uint32_t reg_address, uint32_t value)
static uint64_t	reg_read (struct reg_script_context *ctx)
static void	reg_write (struct reg_script_context *ctx)
msr_t	soc_msr_read (unsigned int index)
void	soc_msr_write (unsigned int index, msr_t msr)
	REG_SCRIPT_BUS_ENTRY (soc_reg_script_bus_table)

Variables
const struct reg_script_bus_entry	soc_reg_script_bus_table

Macro Definition Documentation

__SIMPLE_DEVICE__

#define __SIMPLE_DEVICE__

Definition at line 3 of file reg_access.c.

Function Documentation

get_gpe0_address()

static uint16_t get_gpe0_address ( uint32_t  reg_address )

static

Definition at line 16 of file reg_access.c.

References ASSERT, B_QNC_LPC_GPE0BLK_MASK, LPC_BDF, pci_read_config32(), and R_QNC_LPC_GPE0BLK.

Referenced by reg_gpe0_read(), and reg_gpe0_write().

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get_gpio_address()

static uint32_t* get_gpio_address ( uint32_t  reg_address )

static

Definition at line 29 of file reg_access.c.

References ASSERT, I2CGPIO_BDF, PCI_BASE_ADDRESS_1, PCI_BASE_ADDRESS_MEM_ATTR_MASK, and pci_read_config32().

Referenced by reg_gpio_read(), and reg_gpio_write().

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get_i2c_address()

void* get_i2c_address

(

void

)

Definition at line 42 of file reg_access.c.

References ASSERT, I2CGPIO_BDF, PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_MEM_ATTR_MASK, and pci_read_config32().

Referenced by platform_i2c_read(), platform_i2c_transfer(), and platform_i2c_write().

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get_legacy_gpio_address()

static uint16_t get_legacy_gpio_address ( uint32_t  reg_address )

static

Definition at line 55 of file reg_access.c.

References ASSERT, B_QNC_LPC_GPA_BASE_MASK, LPC_BDF, pci_read_config32(), and R_QNC_LPC_GBA_BASE.

Referenced by reg_legacy_gpio_read(), and reg_legacy_gpio_write().

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mcr_write()

void mcr_write	(	uint8_t	opcode,
		uint8_t	port,
		uint32_t	reg_address
	)

Definition at line 95 of file reg_access.c.

References MC_BDF, pci_write_config32(), QNC_ACCESS_PORT_MCR, QNC_MCR_BYTE_ENABLES, QNC_MCR_MASK, QNC_MCR_OP_OFFSET, QNC_MCR_PORT_OFFSET, and QNC_MCR_REG_OFFSET.

Referenced by fuse_port_read(), memory_cntrl_read(), port_reg_read(), port_reg_write(), reg_host_bridge_unit_read(), reg_host_bridge_unit_write(), reg_pcie_afe_read(), reg_pcie_afe_write(), reg_rmu_temp_read(), reg_rmu_temp_write(), reg_soc_unit_read(), reg_soc_unit_write(), reg_usb_read(), and reg_usb_write().

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mdr_read()

uint32_t mdr_read

(

void

)

Definition at line 104 of file reg_access.c.

References MC_BDF, pci_read_config32(), and QNC_ACCESS_PORT_MDR.

Referenced by fuse_port_read(), memory_cntrl_read(), port_reg_read(), reg_host_bridge_unit_read(), reg_pcie_afe_read(), reg_rmu_temp_read(), reg_soc_unit_read(), and reg_usb_read().

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mdr_write()

void mdr_write

(

uint32_t

value

)

Definition at line 109 of file reg_access.c.

References MC_BDF, pci_write_config32(), QNC_ACCESS_PORT_MDR, and value.

Referenced by port_reg_write(), reg_host_bridge_unit_write(), reg_pcie_afe_write(), reg_rmu_temp_write(), reg_soc_unit_write(), and reg_usb_write().

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mea_write()

void mea_write

(

uint32_t

reg_address

)

Definition at line 114 of file reg_access.c.

References MC_BDF, pci_write_config32(), QNC_ACCESS_PORT_MEA, and QNC_MEA_MASK.

Referenced by fuse_port_read(), memory_cntrl_read(), port_reg_read(), port_reg_write(), reg_host_bridge_unit_read(), reg_host_bridge_unit_write(), reg_pcie_afe_read(), reg_pcie_afe_write(), reg_rmu_temp_read(), reg_rmu_temp_write(), reg_soc_unit_read(), reg_soc_unit_write(), reg_usb_read(), and reg_usb_write().

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mtrr_index_to_host_bridge_register_offset()

static uint32_t mtrr_index_to_host_bridge_register_offset ( unsigned long  index )

static

Definition at line 68 of file reg_access.c.

References BIOS_SPEW, die(), MTRR_CAP_MSR, MTRR_DEF_TYPE_MSR, MTRR_FIX_16K_80000, MTRR_FIX_16K_A0000, MTRR_FIX_4K_C0000, MTRR_FIX_4K_F8000, MTRR_FIX_64K_00000, MTRR_PHYS_BASE, MTRR_PHYS_MASK, offset, printk, QUARK_NC_HOST_BRIDGE_IA32_MTRR_CAP, QUARK_NC_HOST_BRIDGE_IA32_MTRR_DEF_TYPE, QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE0, QUARK_NC_HOST_BRIDGE_MTRR_FIX16K_80000, and QUARK_NC_HOST_BRIDGE_MTRR_FIX64K_00000.

Referenced by soc_msr_read(), and soc_msr_write().

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port_reg_read()

uint32_t port_reg_read	(	uint8_t	port,
		uint32_t	offset
	)

Definition at line 120 of file reg_access.c.

References mcr_write(), mdr_read(), mea_write(), offset, and QUARK_OPCODE_READ.

Referenced by disable_rom_shadow(), and soc_msr_read().

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port_reg_write()

void port_reg_write	(	uint8_t	port,
		uint32_t	offset,
		uint32_t	value
	)

Definition at line 128 of file reg_access.c.

References mcr_write(), mdr_write(), mea_write(), offset, QUARK_OPCODE_WRITE, and value.

Referenced by disable_rom_shadow(), and soc_msr_write().

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reg_cpu_cr_read()

static CRx_TYPE reg_cpu_cr_read ( uint32_t  reg_address )

static

Definition at line 136 of file reg_access.c.

References die(), read_cr0(), and read_cr4().

Referenced by reg_read().

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reg_cpu_cr_write()

static void reg_cpu_cr_write ( uint32_t  reg_address, CRx_TYPE  value  )

static

Definition at line 149 of file reg_access.c.

References die(), value, write_cr0(), and write_cr4().

Referenced by reg_write().

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reg_gpe0_read()

static uint32_t reg_gpe0_read ( uint32_t  reg_address )

static

Definition at line 166 of file reg_access.c.

References get_gpe0_address(), and inl().

Referenced by reg_read().

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reg_gpe0_write()

static void reg_gpe0_write ( uint32_t  reg_address, uint32_t  value  )

static

Definition at line 172 of file reg_access.c.

References get_gpe0_address(), outl(), and value.

Referenced by reg_write().

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reg_gpio_read()

static uint32_t reg_gpio_read ( uint32_t  reg_address )

static

Definition at line 178 of file reg_access.c.

References get_gpio_address().

Referenced by reg_read().

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reg_gpio_write()

static void reg_gpio_write ( uint32_t  reg_address, uint32_t  value  )

static

Definition at line 184 of file reg_access.c.

References get_gpio_address(), and value.

Referenced by reg_write().

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reg_host_bridge_unit_read()

uint32_t reg_host_bridge_unit_read

(

uint32_t

reg_address

)

Definition at line 190 of file reg_access.c.

References mcr_write(), mdr_read(), mea_write(), QUARK_NC_HOST_BRIDGE_SB_PORT_ID, and QUARK_OPCODE_READ.

Referenced by reg_read().

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reg_host_bridge_unit_write()

static void reg_host_bridge_unit_write ( uint32_t  reg_address, uint32_t  value  )

static

Definition at line 199 of file reg_access.c.

References mcr_write(), mdr_write(), mea_write(), QUARK_NC_HOST_BRIDGE_SB_PORT_ID, QUARK_OPCODE_WRITE, and value.

Referenced by reg_write().

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reg_legacy_gpio_read()

uint32_t reg_legacy_gpio_read

(

uint32_t

reg_address

)

Definition at line 208 of file reg_access.c.

References get_legacy_gpio_address(), and inl().

Referenced by car_mainboard_pre_console_init(), mainboard_gpio_i2c_init(), mainboard_gpio_pcie_reset(), reg_read(), vboot_platform_prepare_reboot(), and verstage_mainboard_init().

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reg_legacy_gpio_write()

void reg_legacy_gpio_write	(	uint32_t	reg_address,
		uint32_t	value
	)

Definition at line 214 of file reg_access.c.

References get_legacy_gpio_address(), outl(), and value.

Referenced by mainboard_gpio_pcie_reset(), and reg_write().

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reg_pcie_afe_read()

static uint32_t reg_pcie_afe_read ( uint32_t  reg_address )

static

Definition at line 220 of file reg_access.c.

References mcr_write(), mdr_read(), mea_write(), QUARK_OPCODE_IO_READ, and QUARK_SC_PCIE_AFE_SB_PORT_ID.

Referenced by reg_read().

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reg_pcie_afe_write()

static void reg_pcie_afe_write ( uint32_t  reg_address, uint32_t  value  )

static

Definition at line 229 of file reg_access.c.

References mcr_write(), mdr_write(), mea_write(), QUARK_OPCODE_IO_WRITE, QUARK_SC_PCIE_AFE_SB_PORT_ID, and value.

Referenced by reg_write().

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reg_read()

static uint64_t reg_read ( struct reg_script_context *  ctx )

static

Definition at line 290 of file reg_access.c.

References BIOS_ERR, CPU_CR, reg_script_context::display_features, reg_script_context::display_prefix, GPE0_REGS, GPIO_REGS, HOST_BRIDGE, reg_script::id, LEG_GPIO_REGS, PCIE_AFE_REGS, printk, reg_script::reg, reg_cpu_cr_read(), reg_gpe0_read(), reg_gpio_read(), reg_host_bridge_unit_read(), reg_legacy_gpio_read(), reg_pcie_afe_read(), reg_rmu_temp_read(), REG_SCRIPT_DISPLAY_NOTHING, reg_soc_unit_read(), reg_usb_read(), RMU_TEMP_REGS, SOC_UNIT_REGS, reg_script_context::step, USB_PHY_REGS, and value.

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reg_rmu_temp_read()

uint32_t reg_rmu_temp_read

(

uint32_t

reg_address

)

Definition at line 238 of file reg_access.c.

References mcr_write(), mdr_read(), mea_write(), QUARK_NC_RMU_SB_PORT_ID, and QUARK_OPCODE_READ.

Referenced by chip_init(), and reg_read().

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reg_rmu_temp_write()

static void reg_rmu_temp_write ( uint32_t  reg_address, uint32_t  value  )

static

Definition at line 246 of file reg_access.c.

References mcr_write(), mdr_write(), mea_write(), QUARK_NC_RMU_SB_PORT_ID, QUARK_OPCODE_WRITE, and value.

Referenced by reg_write().

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REG_SCRIPT_BUS_ENTRY()

REG_SCRIPT_BUS_ENTRY

(

soc_reg_script_bus_table

)

reg_soc_unit_read()

static uint32_t reg_soc_unit_read ( uint32_t  reg_address )

static

Definition at line 254 of file reg_access.c.

References mcr_write(), mdr_read(), mea_write(), QUARK_ALT_OPCODE_READ, and QUARK_SCSS_SOC_UNIT_SB_PORT_ID.

Referenced by reg_read().

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reg_soc_unit_write()

static void reg_soc_unit_write ( uint32_t  reg_address, uint32_t  value  )

static

Definition at line 263 of file reg_access.c.

References mcr_write(), mdr_write(), mea_write(), QUARK_ALT_OPCODE_WRITE, QUARK_SCSS_SOC_UNIT_SB_PORT_ID, and value.

Referenced by reg_write().

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reg_usb_read()

static uint32_t reg_usb_read ( uint32_t  reg_address )

static

Definition at line 272 of file reg_access.c.

References mcr_write(), mdr_read(), mea_write(), QUARK_ALT_OPCODE_READ, and QUARK_SC_USB_AFE_SB_PORT_ID.

Referenced by reg_read().

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reg_usb_write()

static void reg_usb_write ( uint32_t  reg_address, uint32_t  value  )

static

Definition at line 281 of file reg_access.c.

References mcr_write(), mdr_write(), mea_write(), QUARK_ALT_OPCODE_WRITE, QUARK_SC_USB_AFE_SB_PORT_ID, and value.

Referenced by reg_write().

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reg_write()

static void reg_write ( struct reg_script_context *  ctx )

static

Definition at line 351 of file reg_access.c.

References BIOS_ERR, BIOS_INFO, CPU_CR, reg_script_context::display_features, reg_script_context::display_prefix, GPE0_REGS, GPIO_REGS, HOST_BRIDGE, reg_script::id, LEG_GPIO_REGS, mainboard_gpio_pcie_reset(), MICROSECOND_DELAY, PCIE_AFE_REGS, PCIE_RESET, printk, reg_script::reg, reg_cpu_cr_write(), reg_gpe0_write(), reg_gpio_write(), reg_host_bridge_unit_write(), reg_legacy_gpio_write(), reg_pcie_afe_write(), reg_rmu_temp_write(), REG_SCRIPT_DISPLAY_NOTHING, REG_SCRIPT_DISPLAY_REGISTER, reg_soc_unit_write(), reg_usb_write(), RMU_TEMP_REGS, SOC_UNIT_REGS, reg_script_context::step, udelay(), USB_PHY_REGS, and reg_script::value.

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soc_msr_read()

msr_t soc_msr_read

(

unsigned int

index

)

Definition at line 430 of file reg_access.c.

References mtrr_index_to_host_bridge_register_offset(), offset, port_reg_read(), QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_F8000, QUARK_NC_HOST_BRIDGE_MTRR_FIX64K_00000, QUARK_NC_HOST_BRIDGE_SB_PORT_ID, and value.

Referenced by soc_enable_mtrrs().

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soc_msr_write()

void soc_msr_write	(	unsigned int	index,
		msr_t	msr
	)

Definition at line 452 of file reg_access.c.

References mtrr_index_to_host_bridge_register_offset(), offset, port_reg_write(), QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_F8000, QUARK_NC_HOST_BRIDGE_MTRR_FIX64K_00000, QUARK_NC_HOST_BRIDGE_SB_PORT_ID, and value.

Referenced by soc_enable_mtrrs(), and soc_set_mtrrs().

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Variable Documentation

soc_reg_script_bus_table

const struct reg_script_bus_entry soc_reg_script_bus_table

Initial value:

= {
        SOC_TYPE, reg_read, reg_write
}

Definition at line 452 of file reg_access.c.