#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/firmware.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <mach/npe.h>

Macros
#define	DEBUG_MSG 0

#define	DEBUG_FW 0

#define	NPE_COUNT 3

#define	MAX_RETRIES 1000 /* microseconds */

#define	NPE_42X_DATA_SIZE 0x800 /* in dwords */

#define	NPE_46X_DATA_SIZE 0x1000

#define	NPE_A_42X_INSTR_SIZE 0x1000

#define	NPE_B_AND_C_42X_INSTR_SIZE 0x800

#define	NPE_46X_INSTR_SIZE 0x1000

#define	REGS_SIZE 0x1000

#define	NPE_PHYS_REG 32

#define	FW_MAGIC 0xFEEDF00D

#define	FW_BLOCK_TYPE_INSTR 0x0

#define	FW_BLOCK_TYPE_DATA 0x1

#define	FW_BLOCK_TYPE_EOF 0xF

#define	CMD_NPE_STEP 0x01

#define	CMD_NPE_START 0x02

#define	CMD_NPE_STOP 0x03

#define	CMD_NPE_CLR_PIPE 0x04

#define	CMD_CLR_PROFILE_CNT 0x0C

#define	CMD_RD_INS_MEM 0x10 /* instruction memory */

#define	CMD_WR_INS_MEM 0x11

#define	CMD_RD_DATA_MEM 0x12 /* data memory */

#define	CMD_WR_DATA_MEM 0x13

#define	CMD_RD_ECS_REG 0x14 /* exec access register */

#define	CMD_WR_ECS_REG 0x15

#define	STAT_RUN 0x80000000

#define	STAT_STOP 0x40000000

#define	STAT_CLEAR 0x20000000

#define	STAT_ECS_K 0x00800000 /* pipeline clean */

#define	NPE_STEVT 0x1B

#define	NPE_STARTPC 0x1C

#define	NPE_REGMAP 0x1E

#define	NPE_CINDEX 0x1F

#define	INSTR_WR_REG_SHORT 0x0000C000

#define	INSTR_WR_REG_BYTE 0x00004000

#define	INSTR_RD_FIFO 0x0F888220

#define	INSTR_RESET_MBOX 0x0FAC8210

#define	ECS_BG_CTXT_REG_0 0x00 /* Background Executing Context */

#define	ECS_BG_CTXT_REG_1 0x01 /* Stack level */

#define	ECS_BG_CTXT_REG_2 0x02

#define	ECS_PRI_1_CTXT_REG_0 0x04 /* Priority 1 Executing Context */

#define	ECS_PRI_1_CTXT_REG_1 0x05 /* Stack level */

#define	ECS_PRI_1_CTXT_REG_2 0x06

#define	ECS_PRI_2_CTXT_REG_0 0x08 /* Priority 2 Executing Context */

#define	ECS_PRI_2_CTXT_REG_1 0x09 /* Stack level */

#define	ECS_PRI_2_CTXT_REG_2 0x0A

#define	ECS_DBG_CTXT_REG_0 0x0C /* Debug Executing Context */

#define	ECS_DBG_CTXT_REG_1 0x0D /* Stack level */

#define	ECS_DBG_CTXT_REG_2 0x0E

#define	ECS_INSTRUCT_REG 0x11 /* NPE Instruction Register */

#define	ECS_REG_0_ACTIVE 0x80000000 /* all levels */

#define	ECS_REG_0_NEXTPC_MASK 0x1FFF0000 /* BG/PRI1/PRI2 levels */

#define	ECS_REG_0_LDUR_BITS 8

#define	ECS_REG_0_LDUR_MASK 0x00000700 /* all levels */

#define	ECS_REG_1_CCTXT_BITS 16

#define	ECS_REG_1_CCTXT_MASK 0x000F0000 /* all levels */

#define	ECS_REG_1_SELCTXT_BITS 0

#define	ECS_REG_1_SELCTXT_MASK 0x0000000F /* all levels */

#define	ECS_DBG_REG_2_IF 0x00100000 /* debug level */

#define	ECS_DBG_REG_2_IE 0x00080000 /* debug level */

#define	WFIFO_VALID 0x80000000

#define	MSGSTAT_OFNE 0x00010000 /* OutFifoNotEmpty */

#define	MSGSTAT_IFNF 0x00020000 /* InFifoNotFull */

#define	MSGSTAT_OFNF 0x00040000 /* OutFifoNotFull */

#define	MSGSTAT_IFNE 0x00080000 /* InFifoNotEmpty */

#define	MSGSTAT_MBINT 0x00100000 /* Mailbox interrupt */

#define	MSGSTAT_IFINT 0x00200000 /* InFifo interrupt */

#define	MSGSTAT_OFINT 0x00400000 /* OutFifo interrupt */

#define	MSGSTAT_WFINT 0x00800000 /* WatchFifo interrupt */

#define	MSGCTL_OUT_FIFO 0x00010000 /* enable output FIFO */

#define	MSGCTL_IN_FIFO 0x00020000 /* enable input FIFO */

#define	MSGCTL_OUT_FIFO_WRITE 0x01000000 /* enable FIFO + WRITE */

#define	MSGCTL_IN_FIFO_WRITE 0x02000000

#define	RESET_MBOX_STAT 0x0000F0F0

#define	NPE_A_FIRMWARE "NPE-A"

#define	NPE_B_FIRMWARE "NPE-B"

#define	NPE_C_FIRMWARE "NPE-C"

#define	print_npe(pri, npe, fmt,...) printk(pri "%s: " fmt, npe_name(npe), ## __VA_ARGS__)

#define	debug_msg(npe, fmt,...)

Functions
int	npe_running (struct npe *npe)

int	npe_send_message (struct npe npe, const void msg, const char *what)

int	npe_recv_message (struct npe npe, void msg, const char *what)

int	npe_send_recv_message (struct npe npe, void msg, const char *what)

int	npe_load_firmware (struct npe npe, const char name, struct device *dev)

struct npe *	npe_request (unsigned id)

void	npe_release (struct npe *npe)

	module_init (npe_init_module)

	module_exit (npe_cleanup_module)

	MODULE_AUTHOR ("Krzysztof Halasa")

	MODULE_LICENSE ("GPL v2")

	MODULE_FIRMWARE (NPE_A_FIRMWARE)

	MODULE_FIRMWARE (NPE_B_FIRMWARE)

	MODULE_FIRMWARE (NPE_C_FIRMWARE)

	EXPORT_SYMBOL (npe_names)

	EXPORT_SYMBOL (npe_running)

	EXPORT_SYMBOL (npe_request)

	EXPORT_SYMBOL (npe_release)

	EXPORT_SYMBOL (npe_load_firmware)

	EXPORT_SYMBOL (npe_send_message)

	EXPORT_SYMBOL (npe_recv_message)

	EXPORT_SYMBOL (npe_send_recv_message)

Variables
const char *	npe_names [] = { NPE_A_FIRMWARE, NPE_B_FIRMWARE, NPE_C_FIRMWARE }

Macro Definition Documentation

#define CMD_CLR_PROFILE_CNT 0x0C

Definition at line 49 of file ixp4xx_npe.c.

#define CMD_NPE_CLR_PIPE 0x04

Definition at line 48 of file ixp4xx_npe.c.

#define CMD_NPE_START 0x02

Definition at line 46 of file ixp4xx_npe.c.

#define CMD_NPE_STEP 0x01

Definition at line 45 of file ixp4xx_npe.c.

#define CMD_NPE_STOP 0x03

Definition at line 47 of file ixp4xx_npe.c.

#define CMD_RD_DATA_MEM 0x12 /* data memory */

Definition at line 52 of file ixp4xx_npe.c.

#define CMD_RD_ECS_REG 0x14 /* exec access register */

Definition at line 54 of file ixp4xx_npe.c.

#define CMD_RD_INS_MEM 0x10 /* instruction memory */

Definition at line 50 of file ixp4xx_npe.c.

#define CMD_WR_DATA_MEM 0x13

Definition at line 53 of file ixp4xx_npe.c.

#define CMD_WR_ECS_REG 0x15

Definition at line 55 of file ixp4xx_npe.c.

#define CMD_WR_INS_MEM 0x11

Definition at line 51 of file ixp4xx_npe.c.

#define DEBUG_FW 0

Definition at line 26 of file ixp4xx_npe.c.

#define DEBUG_MSG 0

Definition at line 25 of file ixp4xx_npe.c.

#define debug_msg	(	npe,
		fmt,
		...
	)

Definition at line 132 of file ixp4xx_npe.c.

#define ECS_BG_CTXT_REG_0 0x00 /* Background Executing Context */

Definition at line 72 of file ixp4xx_npe.c.

#define ECS_BG_CTXT_REG_1 0x01 /* Stack level */

Definition at line 73 of file ixp4xx_npe.c.

#define ECS_BG_CTXT_REG_2 0x02

Definition at line 74 of file ixp4xx_npe.c.

#define ECS_DBG_CTXT_REG_0 0x0C /* Debug Executing Context */

Definition at line 81 of file ixp4xx_npe.c.

#define ECS_DBG_CTXT_REG_1 0x0D /* Stack level */

Definition at line 82 of file ixp4xx_npe.c.

#define ECS_DBG_CTXT_REG_2 0x0E

Definition at line 83 of file ixp4xx_npe.c.

#define ECS_DBG_REG_2_IE 0x00080000 /* debug level */

Definition at line 95 of file ixp4xx_npe.c.

#define ECS_DBG_REG_2_IF 0x00100000 /* debug level */

Definition at line 94 of file ixp4xx_npe.c.

#define ECS_INSTRUCT_REG 0x11 /* NPE Instruction Register */

Definition at line 84 of file ixp4xx_npe.c.

#define ECS_PRI_1_CTXT_REG_0 0x04 /* Priority 1 Executing Context */

Definition at line 75 of file ixp4xx_npe.c.

#define ECS_PRI_1_CTXT_REG_1 0x05 /* Stack level */

Definition at line 76 of file ixp4xx_npe.c.

#define ECS_PRI_1_CTXT_REG_2 0x06

Definition at line 77 of file ixp4xx_npe.c.

#define ECS_PRI_2_CTXT_REG_0 0x08 /* Priority 2 Executing Context */

Definition at line 78 of file ixp4xx_npe.c.

#define ECS_PRI_2_CTXT_REG_1 0x09 /* Stack level */

Definition at line 79 of file ixp4xx_npe.c.

#define ECS_PRI_2_CTXT_REG_2 0x0A

Definition at line 80 of file ixp4xx_npe.c.

#define ECS_REG_0_ACTIVE 0x80000000 /* all levels */

Definition at line 86 of file ixp4xx_npe.c.

#define ECS_REG_0_LDUR_BITS 8

Definition at line 88 of file ixp4xx_npe.c.

#define ECS_REG_0_LDUR_MASK 0x00000700 /* all levels */

Definition at line 89 of file ixp4xx_npe.c.

#define ECS_REG_0_NEXTPC_MASK 0x1FFF0000 /* BG/PRI1/PRI2 levels */

Definition at line 87 of file ixp4xx_npe.c.

#define ECS_REG_1_CCTXT_BITS 16

Definition at line 90 of file ixp4xx_npe.c.

#define ECS_REG_1_CCTXT_MASK 0x000F0000 /* all levels */

Definition at line 91 of file ixp4xx_npe.c.

#define ECS_REG_1_SELCTXT_BITS 0

Definition at line 92 of file ixp4xx_npe.c.

#define ECS_REG_1_SELCTXT_MASK 0x0000000F /* all levels */

Definition at line 93 of file ixp4xx_npe.c.

#define FW_BLOCK_TYPE_DATA 0x1

Definition at line 41 of file ixp4xx_npe.c.

#define FW_BLOCK_TYPE_EOF 0xF

Definition at line 42 of file ixp4xx_npe.c.

#define FW_BLOCK_TYPE_INSTR 0x0

Definition at line 40 of file ixp4xx_npe.c.

#define FW_MAGIC 0xFEEDF00D

Definition at line 39 of file ixp4xx_npe.c.

#define INSTR_RD_FIFO 0x0F888220

Definition at line 69 of file ixp4xx_npe.c.

#define INSTR_RESET_MBOX 0x0FAC8210

Definition at line 70 of file ixp4xx_npe.c.

#define INSTR_WR_REG_BYTE 0x00004000

Definition at line 68 of file ixp4xx_npe.c.

#define INSTR_WR_REG_SHORT 0x0000C000

Definition at line 67 of file ixp4xx_npe.c.

#define MAX_RETRIES 1000 /* microseconds */

Definition at line 29 of file ixp4xx_npe.c.

#define MSGCTL_IN_FIFO 0x00020000 /* enable input FIFO */

Definition at line 112 of file ixp4xx_npe.c.

#define MSGCTL_IN_FIFO_WRITE 0x02000000

Definition at line 114 of file ixp4xx_npe.c.

#define MSGCTL_OUT_FIFO 0x00010000 /* enable output FIFO */

Definition at line 111 of file ixp4xx_npe.c.

#define MSGCTL_OUT_FIFO_WRITE 0x01000000 /* enable FIFO + WRITE */

Definition at line 113 of file ixp4xx_npe.c.

#define MSGSTAT_IFINT 0x00200000 /* InFifo interrupt */

Definition at line 106 of file ixp4xx_npe.c.

#define MSGSTAT_IFNE 0x00080000 /* InFifoNotEmpty */

Definition at line 104 of file ixp4xx_npe.c.

#define MSGSTAT_IFNF 0x00020000 /* InFifoNotFull */

Definition at line 102 of file ixp4xx_npe.c.

#define MSGSTAT_MBINT 0x00100000 /* Mailbox interrupt */

Definition at line 105 of file ixp4xx_npe.c.

#define MSGSTAT_OFINT 0x00400000 /* OutFifo interrupt */

Definition at line 107 of file ixp4xx_npe.c.

#define MSGSTAT_OFNE 0x00010000 /* OutFifoNotEmpty */

Definition at line 101 of file ixp4xx_npe.c.

#define MSGSTAT_OFNF 0x00040000 /* OutFifoNotFull */

Definition at line 103 of file ixp4xx_npe.c.

#define MSGSTAT_WFINT 0x00800000 /* WatchFifo interrupt */

Definition at line 108 of file ixp4xx_npe.c.

#define NPE_42X_DATA_SIZE 0x800 /* in dwords */

Definition at line 30 of file ixp4xx_npe.c.

#define NPE_46X_DATA_SIZE 0x1000

Definition at line 31 of file ixp4xx_npe.c.

#define NPE_46X_INSTR_SIZE 0x1000

Definition at line 34 of file ixp4xx_npe.c.

#define NPE_A_42X_INSTR_SIZE 0x1000

Definition at line 32 of file ixp4xx_npe.c.

#define NPE_A_FIRMWARE "NPE-A"

Definition at line 119 of file ixp4xx_npe.c.

#define NPE_B_AND_C_42X_INSTR_SIZE 0x800

Definition at line 33 of file ixp4xx_npe.c.

#define NPE_B_FIRMWARE "NPE-B"

Definition at line 120 of file ixp4xx_npe.c.

#define NPE_C_FIRMWARE "NPE-C"

Definition at line 121 of file ixp4xx_npe.c.

#define NPE_CINDEX 0x1F

Definition at line 65 of file ixp4xx_npe.c.

#define NPE_COUNT 3

Definition at line 28 of file ixp4xx_npe.c.

#define NPE_PHYS_REG 32

Definition at line 37 of file ixp4xx_npe.c.

#define NPE_REGMAP 0x1E

Definition at line 64 of file ixp4xx_npe.c.

#define NPE_STARTPC 0x1C

Definition at line 63 of file ixp4xx_npe.c.

#define NPE_STEVT 0x1B

Definition at line 62 of file ixp4xx_npe.c.

#define print_npe	(	pri,
		npe,
		fmt,
		...
	)	printk(pri "%s: " fmt, npe_name(npe), ## __VA_ARGS__)

Definition at line 125 of file ixp4xx_npe.c.

#define REGS_SIZE 0x1000

Definition at line 35 of file ixp4xx_npe.c.

#define RESET_MBOX_STAT 0x0000F0F0

Definition at line 117 of file ixp4xx_npe.c.

#define STAT_CLEAR 0x20000000

Definition at line 59 of file ixp4xx_npe.c.

#define STAT_ECS_K 0x00800000 /* pipeline clean */

Definition at line 60 of file ixp4xx_npe.c.

#define STAT_RUN 0x80000000

Definition at line 57 of file ixp4xx_npe.c.

#define STAT_STOP 0x40000000

Definition at line 58 of file ixp4xx_npe.c.

#define WFIFO_VALID 0x80000000

Definition at line 98 of file ixp4xx_npe.c.

Function Documentation

EXPORT_SYMBOL ( npe_names )

EXPORT_SYMBOL ( npe_running )

EXPORT_SYMBOL ( npe_request )

EXPORT_SYMBOL ( npe_release )

EXPORT_SYMBOL ( npe_load_firmware )

EXPORT_SYMBOL ( npe_send_message )

EXPORT_SYMBOL ( npe_recv_message )

EXPORT_SYMBOL ( npe_send_recv_message )

MODULE_AUTHOR ( "Krzysztof Halasa" )

module_exit ( npe_cleanup_module )

MODULE_FIRMWARE ( NPE_A_FIRMWARE )

MODULE_FIRMWARE ( NPE_B_FIRMWARE )

MODULE_FIRMWARE ( NPE_C_FIRMWARE )

module_init ( npe_init_module )

MODULE_LICENSE ( "GPL v2" )

int npe_load_firmware	(	struct npe *	npe,
		const char *	name,
		struct device *	dev
	)

Definition at line 508 of file ixp4xx_npe.c.

int npe_recv_message	(	struct npe *	npe,
		void *	msg,
		const char *	what
	)

Definition at line 451 of file ixp4xx_npe.c.

void npe_release ( struct npe * npe )

Definition at line 680 of file ixp4xx_npe.c.

struct npe* npe_request ( unsigned id )

read

Definition at line 671 of file ixp4xx_npe.c.

int npe_running ( struct npe * npe )

Definition at line 169 of file ixp4xx_npe.c.

int npe_send_message	(	struct npe *	npe,
		const void *	msg,
		const char *	what
	)

Definition at line 412 of file ixp4xx_npe.c.

int npe_send_recv_message	(	struct npe *	npe,
		void *	msg,
		const char *	what
	)

Definition at line 489 of file ixp4xx_npe.c.

Variable Documentation

const char* npe_names[] = { NPE_A_FIRMWARE, NPE_B_FIRMWARE, NPE_C_FIRMWARE }

Definition at line 123 of file ixp4xx_npe.c.

u32 reg

Definition at line 136 of file ixp4xx_npe.c.

u32 val

Definition at line 136 of file ixp4xx_npe.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation