1/*
2 * Copyright 2008-2012 Freescale Semiconductor Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above copyright
9 *       notice, this list of conditions and the following disclaimer in the
10 *       documentation and/or other materials provided with the distribution.
11 *     * Neither the name of Freescale Semiconductor nor the
12 *       names of its contributors may be used to endorse or promote products
13 *       derived from this software without specific prior written permission.
14 *
15 *
16 * ALTERNATIVELY, this software may be distributed under the terms of the
17 * GNU General Public License ("GPL") as published by the Free Software
18 * Foundation, either version 2 of that License or (at your option) any
19 * later version.
20 *
21 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33
34#ifndef __FSL_FMAN_MEMAC_H
35#define __FSL_FMAN_MEMAC_H
36
37#include "common/general.h"
38#include "fsl_enet.h"
39
40
41#define MEMAC_NUM_OF_PADDRS 7 /* Num of additional exact match MAC adr regs */
42
43/* Control and Configuration Register (COMMAND_CONFIG) */
44#define CMD_CFG_MG		0x80000000 /* 00 Magic Packet detection */
45#define CMD_CFG_REG_LOWP_RXETY	0x01000000 /* 07 Rx low power indication */
46#define CMD_CFG_TX_LOWP_ENA	0x00800000 /* 08 Tx Low Power Idle Enable */
47#define CMD_CFG_SFD_ANY		0x00200000 /* 10 Disable SFD check */
48#define CMD_CFG_PFC_MODE	0x00080000 /* 12 Enable PFC */
49#define CMD_CFG_NO_LEN_CHK	0x00020000 /* 14 Payload length check disable */
50#define CMD_CFG_SEND_IDLE	0x00010000 /* 15 Force idle generation */
51#define CMD_CFG_CNT_FRM_EN	0x00002000 /* 18 Control frame rx enable */
52#define CMD_CFG_SW_RESET	0x00001000 /* 19 S/W Reset, self clearing bit */
53#define CMD_CFG_TX_PAD_EN	0x00000800 /* 20 Enable Tx padding of frames */
54#define CMD_CFG_LOOPBACK_EN	0x00000400 /* 21 XGMII/GMII loopback enable */
55#define CMD_CFG_TX_ADDR_INS	0x00000200 /* 22 Tx source MAC addr insertion */
56#define CMD_CFG_PAUSE_IGNORE	0x00000100 /* 23 Ignore Pause frame quanta */
57#define CMD_CFG_PAUSE_FWD	0x00000080 /* 24 Terminate/frwd Pause frames */
58#define CMD_CFG_CRC_FWD		0x00000040 /* 25 Terminate/frwd CRC of frames */
59#define CMD_CFG_PAD_EN		0x00000020 /* 26 Frame padding removal */
60#define CMD_CFG_PROMIS_EN	0x00000010 /* 27 Promiscuous operation enable */
61#define CMD_CFG_WAN_MODE	0x00000008 /* 28 WAN mode enable */
62#define CMD_CFG_RX_EN		0x00000002 /* 30 MAC receive path enable */
63#define CMD_CFG_TX_EN		0x00000001 /* 31 MAC transmit path enable */
64
65/* Transmit FIFO Sections Register (TX_FIFO_SECTIONS) */
66#define TX_FIFO_SECTIONS_TX_EMPTY_MASK			0xFFFF0000
67#define TX_FIFO_SECTIONS_TX_AVAIL_MASK			0x0000FFFF
68#define TX_FIFO_SECTIONS_TX_EMPTY_DEFAULT_10G	0x00400000
69#define TX_FIFO_SECTIONS_TX_EMPTY_DEFAULT_1G	0x00100000
70#define TX_FIFO_SECTIONS_TX_EMPTY_PFC_10G		0x00360000
71#define TX_FIFO_SECTIONS_TX_EMPTY_PFC_1G		0x00040000
72#define TX_FIFO_SECTIONS_TX_AVAIL_10G			0x00000019
73#define TX_FIFO_SECTIONS_TX_AVAIL_1G			0x00000020
74#define TX_FIFO_SECTIONS_TX_AVAIL_SLOW_10G		0x00000060
75
76#define GET_TX_EMPTY_DEFAULT_VALUE(_val)					\
77_val &= ~TX_FIFO_SECTIONS_TX_EMPTY_MASK;					\
78((_val == TX_FIFO_SECTIONS_TX_AVAIL_10G) ?					\
79		(_val |= TX_FIFO_SECTIONS_TX_EMPTY_DEFAULT_10G) :	\
80		(_val |= TX_FIFO_SECTIONS_TX_EMPTY_DEFAULT_1G));
81
82#define GET_TX_EMPTY_PFC_VALUE(_val)						\
83_val &= ~TX_FIFO_SECTIONS_TX_EMPTY_MASK;					\
84((_val == TX_FIFO_SECTIONS_TX_AVAIL_10G) ?					\
85		(_val |= TX_FIFO_SECTIONS_TX_EMPTY_PFC_10G) :		\
86		(_val |= TX_FIFO_SECTIONS_TX_EMPTY_PFC_1G));
87
88/* Interface Mode Register (IF_MODE) */
89#define IF_MODE_MASK		0x00000003 /* 30-31 Mask on i/f mode bits */
90#define IF_MODE_XGMII		0x00000000 /* 30-31 XGMII (10G) interface */
91#define IF_MODE_GMII		0x00000002 /* 30-31 GMII (1G) interface */
92#define IF_MODE_RGMII		0x00000004
93#define IF_MODE_RGMII_AUTO	0x00008000
94#define IF_MODE_RGMII_1000  0x00004000 /* 10 - 1000Mbps RGMII */
95#define IF_MODE_RGMII_100   0x00000000 /* 00 - 100Mbps RGMII */
96#define IF_MODE_RGMII_10    0x00002000 /* 01 - 10Mbps RGMII */
97#define IF_MODE_RGMII_SP_MASK 0x00006000 /* Setsp mask bits */
98#define IF_MODE_RGMII_FD    0x00001000 /* Full duplex RGMII */
99#define IF_MODE_HD          0x00000040 /* Half duplex operation */
100
101/* Hash table Control Register (HASHTABLE_CTRL) */
102#define HASH_CTRL_MCAST_SHIFT	26
103#define HASH_CTRL_MCAST_EN	0x00000100 /* 23 Mcast frame rx for hash */
104#define HASH_CTRL_ADDR_MASK	0x0000003F /* 26-31 Hash table address code */
105
106#define GROUP_ADDRESS		0x0000010000000000LL /* MAC mcast indication */
107#define HASH_TABLE_SIZE		64 /* Hash tbl size */
108
109/* Transmit Inter-Packet Gap Length Register (TX_IPG_LENGTH) */
110#define MEMAC_TX_IPG_LENGTH_MASK	0x0000003F
111
112/* Statistics Configuration Register (STATN_CONFIG) */
113#define STATS_CFG_CLR		0x00000004 /* 29 Reset all counters */
114#define STATS_CFG_CLR_ON_RD	0x00000002 /* 30 Clear on read */
115#define STATS_CFG_SATURATE	0x00000001 /* 31 Saturate at the maximum val */
116
117/* Interrupt Mask Register (IMASK) */
118#define MEMAC_IMASK_MGI		0x40000000 /* 1 Magic pkt detect indication */
119#define MEMAC_IMASK_TSECC_ER 0x20000000 /* 2 Timestamp FIFO ECC error evnt */
120#define MEMAC_IMASK_TECC_ER	0x02000000 /* 6 Transmit frame ECC error evnt */
121#define MEMAC_IMASK_RECC_ER	0x01000000 /* 7 Receive frame ECC error evnt */
122
123#define MEMAC_ALL_ERRS_IMASK			\
124		((uint32_t)(MEMAC_IMASK_TSECC_ER	| \
125			MEMAC_IMASK_TECC_ER	| \
126			MEMAC_IMASK_RECC_ER	| \
127			MEMAC_IMASK_MGI))
128
129#define MEMAC_IEVNT_PCS			0x80000000 /* PCS (XG). Link sync (G) */
130#define MEMAC_IEVNT_AN			0x40000000 /* Auto-negotiation */
131#define MEMAC_IEVNT_LT			0x20000000 /* Link Training/New page */
132#define MEMAC_IEVNT_MGI			0x00004000 /* Magic pkt detection */
133#define MEMAC_IEVNT_TS_ECC_ER   0x00002000 /* Timestamp FIFO ECC error */
134#define MEMAC_IEVNT_RX_FIFO_OVFL	0x00001000 /* Rx FIFO overflow */
135#define MEMAC_IEVNT_TX_FIFO_UNFL	0x00000800 /* Tx FIFO underflow */
136#define MEMAC_IEVNT_TX_FIFO_OVFL	0x00000400 /* Tx FIFO overflow */
137#define MEMAC_IEVNT_TX_ECC_ER		0x00000200 /* Tx frame ECC error */
138#define MEMAC_IEVNT_RX_ECC_ER		0x00000100 /* Rx frame ECC error */
139#define MEMAC_IEVNT_LI_FAULT		0x00000080 /* Link Interruption flt */
140#define MEMAC_IEVNT_RX_EMPTY		0x00000040 /* Rx FIFO empty */
141#define MEMAC_IEVNT_TX_EMPTY		0x00000020 /* Tx FIFO empty */
142#define MEMAC_IEVNT_RX_LOWP		0x00000010 /* Low Power Idle */
143#define MEMAC_IEVNT_PHY_LOS		0x00000004 /* Phy loss of signal */
144#define MEMAC_IEVNT_REM_FAULT		0x00000002 /* Remote fault (XGMII) */
145#define MEMAC_IEVNT_LOC_FAULT		0x00000001 /* Local fault (XGMII) */
146
147enum memac_counters {
148	E_MEMAC_COUNTER_R64,
149	E_MEMAC_COUNTER_R127,
150	E_MEMAC_COUNTER_R255,
151	E_MEMAC_COUNTER_R511,
152	E_MEMAC_COUNTER_R1023,
153	E_MEMAC_COUNTER_R1518,
154	E_MEMAC_COUNTER_R1519X,
155	E_MEMAC_COUNTER_RFRG,
156	E_MEMAC_COUNTER_RJBR,
157	E_MEMAC_COUNTER_RDRP,
158	E_MEMAC_COUNTER_RALN,
159	E_MEMAC_COUNTER_TUND,
160	E_MEMAC_COUNTER_ROVR,
161	E_MEMAC_COUNTER_RXPF,
162	E_MEMAC_COUNTER_TXPF,
163	E_MEMAC_COUNTER_ROCT,
164	E_MEMAC_COUNTER_RMCA,
165	E_MEMAC_COUNTER_RBCA,
166	E_MEMAC_COUNTER_RPKT,
167	E_MEMAC_COUNTER_RUCA,
168	E_MEMAC_COUNTER_RERR,
169	E_MEMAC_COUNTER_TOCT,
170	E_MEMAC_COUNTER_TMCA,
171	E_MEMAC_COUNTER_TBCA,
172	E_MEMAC_COUNTER_TUCA,
173	E_MEMAC_COUNTER_TERR
174};
175
176#define DEFAULT_PAUSE_QUANTA	0xf000
177#define DEFAULT_FRAME_LENGTH	0x600
178#define DEFAULT_TX_IPG_LENGTH	12
179
180/*
181 * memory map
182 */
183
184struct mac_addr {
185	uint32_t   mac_addr_l;	/* Lower 32 bits of 48-bit MAC address */
186	uint32_t   mac_addr_u;	/* Upper 16 bits of 48-bit MAC address */
187};
188
189struct memac_regs {
190	/* General Control and Status */
191	uint32_t res0000[2];
192	uint32_t command_config;	/* 0x008 Ctrl and cfg */
193	struct mac_addr mac_addr0;	/* 0x00C-0x010 MAC_ADDR_0...1 */
194	uint32_t maxfrm;		/* 0x014 Max frame length */
195	uint32_t res0018[1];
196	uint32_t rx_fifo_sections;	/* Receive FIFO configuration reg */
197	uint32_t tx_fifo_sections;	/* Transmit FIFO configuration reg */
198	uint32_t res0024[2];
199	uint32_t hashtable_ctrl;	/* 0x02C Hash table control */
200	uint32_t res0030[4];
201	uint32_t ievent;		/* 0x040 Interrupt event */
202	uint32_t tx_ipg_length;		/* 0x044 Transmitter inter-packet-gap */
203	uint32_t res0048;
204	uint32_t imask;			/* 0x04C Interrupt mask */
205	uint32_t res0050;
206	uint32_t pause_quanta[4];	/* 0x054 Pause quanta */
207	uint32_t pause_thresh[4];	/* 0x064 Pause quanta threshold */
208	uint32_t rx_pause_status;	/* 0x074 Receive pause status */
209	uint32_t res0078[2];
210	struct mac_addr mac_addr[MEMAC_NUM_OF_PADDRS]; /* 0x80-0x0B4 mac padr */
211	uint32_t lpwake_timer;		/* 0x0B8 Low Power Wakeup Timer */
212	uint32_t sleep_timer;		/* 0x0BC Transmit EEE Low Power Timer */
213	uint32_t res00c0[8];
214	uint32_t statn_config;		/* 0x0E0 Statistics configuration */
215	uint32_t res00e4[7];
216	/* Rx Statistics Counter */
217	uint32_t reoct_l;
218	uint32_t reoct_u;
219	uint32_t roct_l;
220	uint32_t roct_u;
221	uint32_t raln_l;
222	uint32_t raln_u;
223	uint32_t rxpf_l;
224	uint32_t rxpf_u;
225	uint32_t rfrm_l;
226	uint32_t rfrm_u;
227	uint32_t rfcs_l;
228	uint32_t rfcs_u;
229	uint32_t rvlan_l;
230	uint32_t rvlan_u;
231	uint32_t rerr_l;
232	uint32_t rerr_u;
233	uint32_t ruca_l;
234	uint32_t ruca_u;
235	uint32_t rmca_l;
236	uint32_t rmca_u;
237	uint32_t rbca_l;
238	uint32_t rbca_u;
239	uint32_t rdrp_l;
240	uint32_t rdrp_u;
241	uint32_t rpkt_l;
242	uint32_t rpkt_u;
243	uint32_t rund_l;
244	uint32_t rund_u;
245	uint32_t r64_l;
246	uint32_t r64_u;
247	uint32_t r127_l;
248	uint32_t r127_u;
249	uint32_t r255_l;
250	uint32_t r255_u;
251	uint32_t r511_l;
252	uint32_t r511_u;
253	uint32_t r1023_l;
254	uint32_t r1023_u;
255	uint32_t r1518_l;
256	uint32_t r1518_u;
257	uint32_t r1519x_l;
258	uint32_t r1519x_u;
259	uint32_t rovr_l;
260	uint32_t rovr_u;
261	uint32_t rjbr_l;
262	uint32_t rjbr_u;
263	uint32_t rfrg_l;
264	uint32_t rfrg_u;
265	uint32_t rcnp_l;
266	uint32_t rcnp_u;
267	uint32_t rdrntp_l;
268	uint32_t rdrntp_u;
269	uint32_t res01d0[12];
270	/* Tx Statistics Counter */
271	uint32_t teoct_l;
272	uint32_t teoct_u;
273	uint32_t toct_l;
274	uint32_t toct_u;
275	uint32_t res0210[2];
276	uint32_t txpf_l;
277	uint32_t txpf_u;
278	uint32_t tfrm_l;
279	uint32_t tfrm_u;
280	uint32_t tfcs_l;
281	uint32_t tfcs_u;
282	uint32_t tvlan_l;
283	uint32_t tvlan_u;
284	uint32_t terr_l;
285	uint32_t terr_u;
286	uint32_t tuca_l;
287	uint32_t tuca_u;
288	uint32_t tmca_l;
289	uint32_t tmca_u;
290	uint32_t tbca_l;
291	uint32_t tbca_u;
292	uint32_t res0258[2];
293	uint32_t tpkt_l;
294	uint32_t tpkt_u;
295	uint32_t tund_l;
296	uint32_t tund_u;
297	uint32_t t64_l;
298	uint32_t t64_u;
299	uint32_t t127_l;
300	uint32_t t127_u;
301	uint32_t t255_l;
302	uint32_t t255_u;
303	uint32_t t511_l;
304	uint32_t t511_u;
305	uint32_t t1023_l;
306	uint32_t t1023_u;
307	uint32_t t1518_l;
308	uint32_t t1518_u;
309	uint32_t t1519x_l;
310	uint32_t t1519x_u;
311	uint32_t res02a8[6];
312	uint32_t tcnp_l;
313	uint32_t tcnp_u;
314	uint32_t res02c8[14];
315	/* Line Interface Control */
316	uint32_t if_mode;		/* 0x300 Interface Mode Control */
317	uint32_t if_status;		/* 0x304 Interface Status */
318	uint32_t res0308[14];
319	/* HiGig/2 */
320	uint32_t hg_config;		/* 0x340 Control and cfg */
321	uint32_t res0344[3];
322	uint32_t hg_pause_quanta;	/* 0x350 Pause quanta */
323	uint32_t res0354[3];
324	uint32_t hg_pause_thresh;	/* 0x360 Pause quanta threshold */
325	uint32_t res0364[3];
326	uint32_t hgrx_pause_status;	/* 0x370 Receive pause status */
327	uint32_t hg_fifos_status;	/* 0x374 fifos status */
328	uint32_t rhm;			/* 0x378 rx messages counter */
329	uint32_t thm;			/* 0x37C tx messages counter */
330};
331
332struct memac_cfg {
333	bool		reset_on_init;
334	bool		rx_error_discard;
335	bool		pause_ignore;
336	bool		pause_forward_enable;
337	bool		no_length_check_enable;
338	bool		cmd_frame_enable;
339	bool		send_idle_enable;
340	bool		wan_mode_enable;
341	bool		promiscuous_mode_enable;
342	bool		tx_addr_ins_enable;
343	bool		loopback_enable;
344	bool		lgth_check_nostdr;
345	bool		time_stamp_enable;
346	bool		pad_enable;
347	bool		phy_tx_ena_on;
348	bool		rx_sfd_any;
349	bool		rx_pbl_fwd;
350	bool		tx_pbl_fwd;
351	bool		debug_mode;
352	bool		wake_on_lan;
353	uint16_t	max_frame_length;
354	uint16_t	pause_quanta;
355	uint32_t	tx_ipg_length;
356};
357
358
359/**
360 * fman_memac_defconfig() - Get default MEMAC configuration
361 * @cfg:    pointer to configuration structure.
362 *
363 * Call this function to obtain a default set of configuration values for
364 * initializing MEMAC. The user can overwrite any of the values before calling
365 * fman_memac_init(), if specific configuration needs to be applied.
366 */
367void fman_memac_defconfig(struct memac_cfg *cfg);
368
369int fman_memac_init(struct memac_regs *regs,
370	struct memac_cfg *cfg,
371	enum enet_interface enet_interface,
372	enum enet_speed enet_speed,
373	bool slow_10g_if,
374	uint32_t exceptions);
375
376void fman_memac_enable(struct memac_regs *regs, bool apply_rx, bool apply_tx);
377
378void fman_memac_disable(struct memac_regs *regs, bool apply_rx, bool apply_tx);
379
380void fman_memac_set_promiscuous(struct memac_regs *regs, bool val);
381
382void fman_memac_add_addr_in_paddr(struct memac_regs *regs,
383	uint8_t *adr,
384	uint8_t paddr_num);
385
386void fman_memac_clear_addr_in_paddr(struct memac_regs *regs,
387	uint8_t paddr_num);
388
389uint64_t fman_memac_get_counter(struct memac_regs *regs,
390	enum memac_counters reg_name);
391
392void fman_memac_set_tx_pause_frames(struct memac_regs *regs,
393	uint8_t priority, uint16_t pauseTime, uint16_t threshTime);
394
395uint16_t fman_memac_get_max_frame_len(struct memac_regs *regs);
396
397void fman_memac_set_exception(struct memac_regs *regs, uint32_t val,
398	bool enable);
399
400void fman_memac_reset_stat(struct memac_regs *regs);
401
402void fman_memac_reset(struct memac_regs *regs);
403
404void fman_memac_reset_filter_table(struct memac_regs *regs);
405
406void fman_memac_set_hash_table_entry(struct memac_regs *regs, uint32_t crc);
407
408void fman_memac_set_hash_table(struct memac_regs *regs, uint32_t val);
409
410void fman_memac_set_rx_ignore_pause_frames(struct memac_regs *regs,
411	bool enable);
412
413void fman_memac_set_wol(struct memac_regs *regs, bool enable);
414
415uint32_t fman_memac_get_event(struct memac_regs *regs, uint32_t ev_mask);
416
417void fman_memac_ack_event(struct memac_regs *regs, uint32_t ev_mask);
418
419uint32_t fman_memac_get_interrupt_mask(struct memac_regs *regs);
420
421void fman_memac_adjust_link(struct memac_regs *regs,
422	enum enet_interface iface_mode,
423	enum enet_speed speed, bool full_dx);
424
425
426
427#endif /*__FSL_FMAN_MEMAC_H*/
428