#include <stdint.h>
#include <console/console.h>
#include <console/usb.h>
#include <arch/io.h>
#include <device/mmio.h>
#include <arch/symbols.h>
#include <string.h>
#include <cbmem.h>
#include "ehci_debug.h"
#include "usb_ch9.h"
#include "ehci.h"

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Data Structures
struct	ehci_debug_info

Macros
#define	dprintk(LEVEL, args...) do {} while (0)

#define	DBGP_LEN_UPDATE(x, len) (((x) & ~0x0f) \| ((len) & 0x0f))

#define	DBGP_CLAIM (DBGP_OWNER \| DBGP_ENABLED \| DBGP_INUSE)

#define	HUB_ROOT_RESET_TIME 50 /* times are in msec */

#define	HUB_SHORT_RESET_TIME 10

#define	HUB_LONG_RESET_TIME 200

#define	HUB_RESET_TIMEOUT 500

#define	DBGP_MICROFRAME_TIMEOUT_LOOPS 1000

#define	DBGP_MICROFRAME_RETRIES 10

#define	DBGP_MAX_PACKET 8

Functions
static int	dbgp_enabled (void)

static void	dbgp_print_data (struct ehci_dbg_port *ehci_debug)

static struct ehci_debug_info *	dbgp_ehci_info (void)

static int	dbgp_wait_until_complete (struct ehci_dbg_port *ehci_debug)

static void	dbgp_breath (void)

static int	dbgp_wait_until_done (struct ehci_dbg_port ehci_debug, struct dbgp_pipe pipe, unsigned int ctrl, const int timeout)

static void	dbgp_set_data (struct ehci_dbg_port ehci_debug, const void buf, int size)

static void	dbgp_get_data (struct ehci_dbg_port ehci_debug, void buf, int size)

static int	dbgp_bulk_write (struct ehci_dbg_port ehci_debug, struct dbgp_pipe pipe, const char *bytes, int size)

int	dbgp_bulk_write_x (struct dbgp_pipe pipe, const char bytes, int size)

static int	dbgp_bulk_read (struct ehci_dbg_port ehci_debug, struct dbgp_pipe pipe, void *data, int size)

int	dbgp_bulk_read_x (struct dbgp_pipe pipe, void data, int size)

void	dbgp_mdelay (int ms)

int	dbgp_control_msg (struct ehci_dbg_port ehci_debug, unsigned int devnum, int requesttype, int request, int value, int index, void data, int size)

static int	ehci_reset_port (struct ehci_regs *ehci_regs, int port)

static int	ehci_wait_for_port (struct ehci_regs *ehci_regs, int port)

static int	usbdebug_init_ (uintptr_t ehci_bar, unsigned int offset, struct ehci_debug_info *info)

static int	dbgp_not_present (void)

int	dbgp_try_get (struct dbgp_pipe *pipe)

void	dbgp_put (struct dbgp_pipe *pipe)

int	usbdebug_hw_init (bool force)

static void	migrate_ehci_debug (int is_recovery)

	ROMSTAGE_CBMEM_INIT_HOOK (migrate_ehci_debug)

	POSTCAR_CBMEM_INIT_HOOK (migrate_ehci_debug)

	RAMSTAGE_CBMEM_INIT_HOOK (migrate_ehci_debug)

int	dbgp_ep_is_active (struct dbgp_pipe *pipe)

struct dbgp_pipe *	dbgp_console_output (void)

struct dbgp_pipe *	dbgp_console_input (void)

void	usbdebug_init (void)

Variables
struct ehci_debug_info	__packed

static struct ehci_debug_info	glob_dbg_info

static struct ehci_debug_info *	glob_dbg_info_p

Macro Definition Documentation

◆ DBGP_CLAIM

#define DBGP_CLAIM (DBGP_OWNER | DBGP_ENABLED | DBGP_INUSE)

Definition at line 36 of file ehci_debug.c.

◆ DBGP_LEN_UPDATE

#define DBGP_LEN_UPDATE	(	x,
		len
	)	(((x) & ~0x0f) \| ((len) & 0x0f))

Definition at line 34 of file ehci_debug.c.

◆ DBGP_MAX_PACKET

#define DBGP_MAX_PACKET 8

Definition at line 45 of file ehci_debug.c.

◆ DBGP_MICROFRAME_RETRIES

#define DBGP_MICROFRAME_RETRIES 10

Definition at line 44 of file ehci_debug.c.

◆ DBGP_MICROFRAME_TIMEOUT_LOOPS

#define DBGP_MICROFRAME_TIMEOUT_LOOPS 1000

Definition at line 43 of file ehci_debug.c.

◆ dprintk

#define dprintk	(	LEVEL,
		args...
	)	do {} while (0)

Definition at line 31 of file ehci_debug.c.

◆ HUB_LONG_RESET_TIME

#define HUB_LONG_RESET_TIME 200

Definition at line 40 of file ehci_debug.c.

◆ HUB_RESET_TIMEOUT

#define HUB_RESET_TIMEOUT 500

Definition at line 41 of file ehci_debug.c.

◆ HUB_ROOT_RESET_TIME

#define HUB_ROOT_RESET_TIME 50 /* times are in msec */

Definition at line 38 of file ehci_debug.c.

◆ HUB_SHORT_RESET_TIME

#define HUB_SHORT_RESET_TIME 10

Definition at line 39 of file ehci_debug.c.

Function Documentation

◆ dbgp_breath()

static void dbgp_breath ( void )

static

Definition at line 94 of file ehci_debug.c.

Referenced by dbgp_wait_until_done().

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◆ dbgp_bulk_read()

static int dbgp_bulk_read	(	struct ehci_dbg_port *	ehci_debug,
		struct dbgp_pipe *	pipe,
		void *	data,
		int	size
	)

static

Definition at line 257 of file ehci_debug.c.

References addr, ehci_dbg_port::address, ehci_dbg_port::control, DBGP_EPADDR, dbgp_get_data(), DBGP_LEN_UPDATE, DBGP_MAX_PACKET, DBGP_OUT, DBGP_PID_SET, dbgp_wait_until_done(), ehci_dbg_port::pids, read32(), USB_PID_IN, and write32().

Referenced by dbgp_bulk_read_x(), and dbgp_control_msg().

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◆ dbgp_bulk_read_x()

int dbgp_bulk_read_x	(	struct dbgp_pipe *	pipe,
		void *	data,
		int	size
	)

Definition at line 285 of file ehci_debug.c.

References dbgp_bulk_read(), dbgp_ehci_info(), and ehci_debug_info::ehci_debug.

Referenced by usbdebug_rx_byte().

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◆ dbgp_bulk_write()

static int dbgp_bulk_write	(	struct ehci_dbg_port *	ehci_debug,
		struct dbgp_pipe *	pipe,
		const char *	bytes,
		int	size
	)

static

Definition at line 224 of file ehci_debug.c.

References addr, DBGP_EPADDR, DBGP_LEN_UPDATE, DBGP_MAX_PACKET, DBGP_OUT, DBGP_PID_SET, dbgp_set_data(), dbgp_wait_until_done(), ehci_debug_info::ehci_debug, read32(), USB_PID_OUT, and write32().

Referenced by dbgp_bulk_write_x(), and dbgp_control_msg().

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◆ dbgp_bulk_write_x()

int dbgp_bulk_write_x	(	struct dbgp_pipe *	pipe,
		const char *	bytes,
		int	size
	)

Definition at line 249 of file ehci_debug.c.

References dbgp_bulk_write(), dbgp_ehci_info(), and ehci_debug_info::ehci_debug.

Referenced by probe_for_debug_descriptor(), probe_for_ftdi(), usbdebug_tx_byte(), and usbdebug_tx_flush().

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◆ dbgp_console_input()

struct dbgp_pipe* dbgp_console_input ( void )

Definition at line 724 of file ehci_debug.c.

References DBGP_CONSOLE_EPIN, dbgp_ehci_info(), and ehci_debug_info::ep_pipe.

Referenced by usb_can_rx_byte(), and usb_rx_byte().

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◆ dbgp_console_output()

struct dbgp_pipe* dbgp_console_output ( void )

Definition at line 719 of file ehci_debug.c.

References DBGP_CONSOLE_EPOUT, dbgp_ehci_info(), and ehci_debug_info::ep_pipe.

Referenced by usb_tx_byte(), and usb_tx_flush().

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◆ dbgp_control_msg()

int dbgp_control_msg	(	struct ehci_dbg_port *	ehci_debug,
		unsigned int	devnum,
		int	requesttype,
		int	request,
		int	value,
		int	index,
		void *	data,
		int	size
	)

Definition at line 303 of file ehci_debug.c.

References addr, ehci_dbg_port::address, usb_ctrlrequest::bRequest, usb_ctrlrequest::bRequestType, ehci_dbg_port::control, dbgp_bulk_read(), dbgp_bulk_write(), dbgp_ehci_info(), DBGP_EPADDR, DBGP_LEN_UPDATE, DBGP_MAX_PACKET, DBGP_OUT, DBGP_PID_SET, dbgp_set_data(), DBGP_SETUP_EP0, dbgp_wait_until_done(), info, ehci_dbg_port::pids, read32(), USB_DIR_IN, USB_PID_DATA0, USB_PID_DATA1, USB_PID_IN, USB_PID_OUT, USB_PID_SETUP, value, usb_ctrlrequest::wIndex, usb_ctrlrequest::wLength, write32(), and usb_ctrlrequest::wValue.

Referenced by dbgp_hub_enable(), probe_for_debug_descriptor(), and probe_for_ftdi().

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◆ dbgp_ehci_info()

static struct ehci_debug_info* dbgp_ehci_info ( void )

inlinestatic

Definition at line 53 of file ehci_debug.c.

References _car_ehci_dbg_info, _car_ehci_dbg_info_size, die(), ENV_BOOTBLOCK, ENV_ROMSTAGE, ENV_SEPARATE_VERSTAGE, glob_dbg_info, glob_dbg_info_p, info, and NULL.

Referenced by dbgp_bulk_read_x(), dbgp_bulk_write_x(), dbgp_console_input(), dbgp_console_output(), dbgp_control_msg(), dbgp_enabled(), dbgp_not_present(), dbgp_put(), dbgp_try_get(), migrate_ehci_debug(), and usbdebug_hw_init().

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◆ dbgp_enabled()

static int dbgp_enabled ( void )

static

Definition at line 603 of file ehci_debug.c.

References dbgp_ehci_info(), DBGP_EP_ENABLED, DBGP_SETUP_EP0, ehci_debug_info::ep_pipe, and dbgp_pipe::status.

Referenced by dbgp_print_data(), and usbdebug_hw_init().

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◆ dbgp_ep_is_active()

int dbgp_ep_is_active ( struct dbgp_pipe * pipe )

Definition at line 714 of file ehci_debug.c.

References DBGP_EP_ENABLED, DBGP_EP_STATMASK, and DBGP_EP_VALID.

Referenced by dbgp_try_get(), and usb_can_rx_byte().

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◆ dbgp_get_data()

static void dbgp_get_data	(	struct ehci_dbg_port *	ehci_debug,
		void *	buf,
		int	size
	)

static

Definition at line 186 of file ehci_debug.c.

References buf, ehci_debug_info::ehci_debug, and read32().

Referenced by dbgp_bulk_read().

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◆ dbgp_mdelay()

void dbgp_mdelay ( int ms )

Definition at line 293 of file ehci_debug.c.

References inb().

Referenced by dbgp_hub_enable(), ehci_reset_port(), ehci_wait_for_port(), and usbdebug_init_().

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◆ dbgp_not_present()

static int dbgp_not_present ( void )

static

Definition at line 609 of file ehci_debug.c.

References dbgp_ehci_info(), DBGP_EP_NOT_PRESENT, DBGP_SETUP_EP0, ehci_debug_info::ep_pipe, and dbgp_pipe::status.

Referenced by usbdebug_hw_init().

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◆ dbgp_print_data()

static void dbgp_print_data ( struct ehci_dbg_port * ehci_debug )

static

Definition at line 200 of file ehci_debug.c.

References BIOS_SPEW, CONFIG, dbgp_enabled(), DBGP_LEN, dprintk, ehci_debug_info::ehci_debug, and read32().

Referenced by dbgp_wait_until_done().

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◆ dbgp_put()

void dbgp_put ( struct dbgp_pipe * pipe )

Definition at line 625 of file ehci_debug.c.

References dbgp_ehci_info(), DBGP_EP_BUSY, DBGP_SETUP_EP0, ehci_debug_info::ep_pipe, and dbgp_pipe::status.

Referenced by usbdebug_rx_byte(), usbdebug_tx_byte(), and usbdebug_tx_flush().

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◆ dbgp_set_data()

static void dbgp_set_data	(	struct ehci_dbg_port *	ehci_debug,
		const void *	buf,
		int	size
	)

static

Definition at line 171 of file ehci_debug.c.

References buf, ehci_debug_info::ehci_debug, and write32().

Referenced by dbgp_bulk_write(), and dbgp_control_msg().

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◆ dbgp_try_get()

int dbgp_try_get ( struct dbgp_pipe * pipe )

Definition at line 615 of file ehci_debug.c.

References dbgp_ehci_info(), DBGP_EP_BUSY, dbgp_ep_is_active(), DBGP_SETUP_EP0, ehci_debug_info::ep_pipe, and dbgp_pipe::status.

Referenced by usbdebug_rx_byte(), usbdebug_tx_byte(), and usbdebug_tx_flush().

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◆ dbgp_wait_until_complete()

static int dbgp_wait_until_complete ( struct ehci_dbg_port * ehci_debug )

static

Definition at line 70 of file ehci_debug.c.

References BIOS_ERR, DBGP_DONE, DBGP_ERR_SIGNAL, DBGP_ERRCODE, DBGP_ERROR, DBGP_LEN, DBGP_MICROFRAME_TIMEOUT_LOOPS, dprintk, ehci_debug_info::ehci_debug, read32(), and write32().

Referenced by dbgp_wait_until_done().

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◆ dbgp_wait_until_done()

static int dbgp_wait_until_done	(	struct ehci_dbg_port *	ehci_debug,
		struct dbgp_pipe *	pipe,
		unsigned int	ctrl,
		const int	timeout
	)

static

Definition at line 99 of file ehci_debug.c.

References BIOS_SPEW, dbgp_breath(), DBGP_ERR_BAD, DBGP_ERR_SIGNAL, DBGP_GO, DBGP_MICROFRAME_RETRIES, DBGP_PID_GET, dbgp_print_data(), dbgp_wait_until_complete(), dprintk, ehci_debug_info::ehci_debug, read32(), USB_PID_ACK, USB_PID_DATA_TOGGLE, USB_PID_NAK, USB_PID_NYET, USB_PID_STALL, and write32().

Referenced by dbgp_bulk_read(), dbgp_bulk_write(), and dbgp_control_msg().

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◆ ehci_reset_port()

static int ehci_reset_port	(	struct ehci_regs *	ehci_regs,
		int	port
	)

static

Definition at line 369 of file ehci_debug.c.

References dbgp_mdelay(), HUB_ROOT_RESET_TIME, PORT_CONNECT, PORT_CSC, PORT_PE, PORT_RESET, PORT_RWC_BITS, ehci_regs::port_status, read32(), and write32().

Referenced by ehci_wait_for_port().

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◆ ehci_wait_for_port()

static int ehci_wait_for_port	(	struct ehci_regs *	ehci_regs,
		int	port
	)

static

Definition at line 407 of file ehci_debug.c.

References dbgp_mdelay(), ehci_reset_port(), read32(), ehci_regs::status, and STS_PCD.

Referenced by usbdebug_init_().

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◆ migrate_ehci_debug()

static void migrate_ehci_debug ( int is_recovery )

static

Definition at line 679 of file ehci_debug.c.

References BIOS_DEBUG, cbmem_add(), cbmem_find(), CBMEM_ID_EHCI_DEBUG, CONFIG, dbgp_ehci_info(), ENV_ROMSTAGE, ENV_STRING, glob_dbg_info_p, memcpy(), NULL, printk, and usbdebug_hw_init().

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◆ POSTCAR_CBMEM_INIT_HOOK()

POSTCAR_CBMEM_INIT_HOOK ( migrate_ehci_debug )

◆ RAMSTAGE_CBMEM_INIT_HOOK()

RAMSTAGE_CBMEM_INIT_HOOK ( migrate_ehci_debug )

◆ ROMSTAGE_CBMEM_INIT_HOOK()

ROMSTAGE_CBMEM_INIT_HOOK ( migrate_ehci_debug )

◆ usbdebug_hw_init()

int usbdebug_hw_init ( bool force )

Definition at line 658 of file ehci_debug.c.

References dbgp_ehci_info(), dbgp_enabled(), dbgp_not_present(), ehci_debug_info::ehci_base, ehci_debug_hw_enable(), ENV_POSTCAR, and usbdebug_init_().

Referenced by migrate_ehci_debug(), sdram_initialize(), and usbdebug_init().

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◆ usbdebug_init()

void usbdebug_init ( void )

Definition at line 729 of file ehci_debug.c.

References CONFIG, ENV_BOOTBLOCK, ENV_RAMSTAGE, ENV_ROMSTAGE, and usbdebug_hw_init().

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◆ usbdebug_init_()

static int usbdebug_init_	(	uintptr_t	ehci_bar,
		unsigned int	offset,
		struct ehci_debug_info *	info
	)

static

Definition at line 424 of file ehci_debug.c.

References BIOS_INFO, CMD_ASE, CMD_IAAD, CMD_LRESET, CMD_PSE, CMD_RESET, CMD_RUN, ehci_regs::command, ehci_regs::configured_flag, ehci_dbg_port::control, DBGP_CLAIM, DBGP_ENABLED, DBGP_EP_NOT_PRESENT, DBGP_INUSE, dbgp_mdelay(), DBGP_OUT, DBGP_OWNER, dbgp_probe_gadget(), dprintk, ehci_debug_select_port(), ehci_wait_for_port(), FLAG_CF, ehci_caps::hc_capbase, HC_LENGTH, HCS_DEBUG_PORT, HCS_N_PORTS, ehci_caps::hcs_params, info, memset(), offset, ehci_regs::port_status, read32(), ehci_regs::status, STS_HALT, and write32().

Referenced by usbdebug_hw_init().

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Variable Documentation

◆ __packed

struct ehci_debug_info __packed

◆ glob_dbg_info

struct ehci_debug_info glob_dbg_info

static

Definition at line 48 of file ehci_debug.c.

Referenced by dbgp_ehci_info().

◆ glob_dbg_info_p

struct ehci_debug_info* glob_dbg_info_p

static

Definition at line 51 of file ehci_debug.c.

Referenced by dbgp_ehci_info(), and migrate_ehci_debug().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ DBGP_CLAIM

◆ DBGP_LEN_UPDATE

◆ DBGP_MAX_PACKET

◆ DBGP_MICROFRAME_RETRIES

◆ DBGP_MICROFRAME_TIMEOUT_LOOPS

◆ dprintk

◆ HUB_LONG_RESET_TIME

◆ HUB_RESET_TIMEOUT

◆ HUB_ROOT_RESET_TIME

◆ HUB_SHORT_RESET_TIME

Function Documentation

◆ dbgp_breath()

◆ dbgp_bulk_read()

◆ dbgp_bulk_read_x()

◆ dbgp_bulk_write()

◆ dbgp_bulk_write_x()

◆ dbgp_console_input()

◆ dbgp_console_output()

◆ dbgp_control_msg()

◆ dbgp_ehci_info()

◆ dbgp_enabled()

◆ dbgp_ep_is_active()

◆ dbgp_get_data()

◆ dbgp_mdelay()

◆ dbgp_not_present()

◆ dbgp_print_data()

◆ dbgp_put()

◆ dbgp_set_data()

◆ dbgp_try_get()

◆ dbgp_wait_until_complete()

◆ dbgp_wait_until_done()

◆ ehci_reset_port()

◆ ehci_wait_for_port()

◆ migrate_ehci_debug()

◆ POSTCAR_CBMEM_INIT_HOOK()

◆ RAMSTAGE_CBMEM_INIT_HOOK()

◆ ROMSTAGE_CBMEM_INIT_HOOK()

◆ usbdebug_hw_init()

◆ usbdebug_init()

◆ usbdebug_init_()

Variable Documentation

◆ __packed

◆ glob_dbg_info

◆ glob_dbg_info_p