2 * Copyright 2008-2015 Freescale Semiconductor Inc.
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.
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
21 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
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30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
35 #include <linux/fsl/guts.h>
36 #include <linux/slab.h>
37 #include <linux/delay.h>
38 #include <linux/module.h>
39 #include <linux/of_platform.h>
40 #include <linux/clk.h>
41 #include <linux/of_address.h>
42 #include <linux/of_irq.h>
43 #include <linux/interrupt.h>
44 #include <linux/libfdt_env.h>
47 #include "fman_muram.h"
48 #include "fman_keygen.h"
51 #define FMAN_LIODN_TBL 64 /* size of LIODN table */
52 #define MAX_NUM_OF_MACS 10
53 #define FM_NUM_OF_FMAN_CTRL_EVENT_REGS 4
54 #define BASE_RX_PORTID 0x08
55 #define BASE_TX_PORTID 0x28
57 /* Modules registers offsets */
58 #define BMI_OFFSET 0x00080000
59 #define QMI_OFFSET 0x00080400
60 #define KG_OFFSET 0x000C1000
61 #define DMA_OFFSET 0x000C2000
62 #define FPM_OFFSET 0x000C3000
63 #define IMEM_OFFSET 0x000C4000
64 #define HWP_OFFSET 0x000C7000
65 #define CGP_OFFSET 0x000DB000
67 /* Exceptions bit map */
68 #define EX_DMA_BUS_ERROR 0x80000000
69 #define EX_DMA_READ_ECC 0x40000000
70 #define EX_DMA_SYSTEM_WRITE_ECC 0x20000000
71 #define EX_DMA_FM_WRITE_ECC 0x10000000
72 #define EX_FPM_STALL_ON_TASKS 0x08000000
73 #define EX_FPM_SINGLE_ECC 0x04000000
74 #define EX_FPM_DOUBLE_ECC 0x02000000
75 #define EX_QMI_SINGLE_ECC 0x01000000
76 #define EX_QMI_DEQ_FROM_UNKNOWN_PORTID 0x00800000
77 #define EX_QMI_DOUBLE_ECC 0x00400000
78 #define EX_BMI_LIST_RAM_ECC 0x00200000
79 #define EX_BMI_STORAGE_PROFILE_ECC 0x00100000
80 #define EX_BMI_STATISTICS_RAM_ECC 0x00080000
81 #define EX_IRAM_ECC 0x00040000
82 #define EX_MURAM_ECC 0x00020000
83 #define EX_BMI_DISPATCH_RAM_ECC 0x00010000
84 #define EX_DMA_SINGLE_PORT_ECC 0x00008000
88 #define DMA_MODE_BER 0x00200000
89 #define DMA_MODE_ECC 0x00000020
90 #define DMA_MODE_SECURE_PROT 0x00000800
91 #define DMA_MODE_AXI_DBG_MASK 0x0F000000
93 #define DMA_TRANSFER_PORTID_MASK 0xFF000000
94 #define DMA_TRANSFER_TNUM_MASK 0x00FF0000
95 #define DMA_TRANSFER_LIODN_MASK 0x00000FFF
97 #define DMA_STATUS_BUS_ERR 0x08000000
98 #define DMA_STATUS_READ_ECC 0x04000000
99 #define DMA_STATUS_SYSTEM_WRITE_ECC 0x02000000
100 #define DMA_STATUS_FM_WRITE_ECC 0x01000000
101 #define DMA_STATUS_FM_SPDAT_ECC 0x00080000
103 #define DMA_MODE_CACHE_OR_SHIFT 30
104 #define DMA_MODE_AXI_DBG_SHIFT 24
105 #define DMA_MODE_CEN_SHIFT 13
106 #define DMA_MODE_CEN_MASK 0x00000007
107 #define DMA_MODE_DBG_SHIFT 7
108 #define DMA_MODE_AID_MODE_SHIFT 4
110 #define DMA_THRESH_COMMQ_SHIFT 24
111 #define DMA_THRESH_READ_INT_BUF_SHIFT 16
112 #define DMA_THRESH_READ_INT_BUF_MASK 0x0000003f
113 #define DMA_THRESH_WRITE_INT_BUF_MASK 0x0000003f
115 #define DMA_TRANSFER_PORTID_SHIFT 24
116 #define DMA_TRANSFER_TNUM_SHIFT 16
118 #define DMA_CAM_SIZEOF_ENTRY 0x40
119 #define DMA_CAM_UNITS 8
121 #define DMA_LIODN_SHIFT 16
122 #define DMA_LIODN_BASE_MASK 0x00000FFF
125 #define FPM_EV_MASK_DOUBLE_ECC 0x80000000
126 #define FPM_EV_MASK_STALL 0x40000000
127 #define FPM_EV_MASK_SINGLE_ECC 0x20000000
128 #define FPM_EV_MASK_RELEASE_FM 0x00010000
129 #define FPM_EV_MASK_DOUBLE_ECC_EN 0x00008000
130 #define FPM_EV_MASK_STALL_EN 0x00004000
131 #define FPM_EV_MASK_SINGLE_ECC_EN 0x00002000
132 #define FPM_EV_MASK_EXTERNAL_HALT 0x00000008
133 #define FPM_EV_MASK_ECC_ERR_HALT 0x00000004
135 #define FPM_RAM_MURAM_ECC 0x00008000
136 #define FPM_RAM_IRAM_ECC 0x00004000
137 #define FPM_IRAM_ECC_ERR_EX_EN 0x00020000
138 #define FPM_MURAM_ECC_ERR_EX_EN 0x00040000
139 #define FPM_RAM_IRAM_ECC_EN 0x40000000
140 #define FPM_RAM_RAMS_ECC_EN 0x80000000
141 #define FPM_RAM_RAMS_ECC_EN_SRC_SEL 0x08000000
143 #define FPM_REV1_MAJOR_MASK 0x0000FF00
144 #define FPM_REV1_MINOR_MASK 0x000000FF
146 #define FPM_DISP_LIMIT_SHIFT 24
148 #define FPM_PRT_FM_CTL1 0x00000001
149 #define FPM_PRT_FM_CTL2 0x00000002
150 #define FPM_PORT_FM_CTL_PORTID_SHIFT 24
151 #define FPM_PRC_ORA_FM_CTL_SEL_SHIFT 16
153 #define FPM_THR1_PRS_SHIFT 24
154 #define FPM_THR1_KG_SHIFT 16
155 #define FPM_THR1_PLCR_SHIFT 8
156 #define FPM_THR1_BMI_SHIFT 0
158 #define FPM_THR2_QMI_ENQ_SHIFT 24
159 #define FPM_THR2_QMI_DEQ_SHIFT 0
160 #define FPM_THR2_FM_CTL1_SHIFT 16
161 #define FPM_THR2_FM_CTL2_SHIFT 8
163 #define FPM_EV_MASK_CAT_ERR_SHIFT 1
164 #define FPM_EV_MASK_DMA_ERR_SHIFT 0
166 #define FPM_REV1_MAJOR_SHIFT 8
168 #define FPM_RSTC_FM_RESET 0x80000000
169 #define FPM_RSTC_MAC0_RESET 0x40000000
170 #define FPM_RSTC_MAC1_RESET 0x20000000
171 #define FPM_RSTC_MAC2_RESET 0x10000000
172 #define FPM_RSTC_MAC3_RESET 0x08000000
173 #define FPM_RSTC_MAC8_RESET 0x04000000
174 #define FPM_RSTC_MAC4_RESET 0x02000000
175 #define FPM_RSTC_MAC5_RESET 0x01000000
176 #define FPM_RSTC_MAC6_RESET 0x00800000
177 #define FPM_RSTC_MAC7_RESET 0x00400000
178 #define FPM_RSTC_MAC9_RESET 0x00200000
180 #define FPM_TS_INT_SHIFT 16
181 #define FPM_TS_CTL_EN 0x80000000
184 #define BMI_INIT_START 0x80000000
185 #define BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC 0x80000000
186 #define BMI_ERR_INTR_EN_LIST_RAM_ECC 0x40000000
187 #define BMI_ERR_INTR_EN_STATISTICS_RAM_ECC 0x20000000
188 #define BMI_ERR_INTR_EN_DISPATCH_RAM_ECC 0x10000000
189 #define BMI_NUM_OF_TASKS_MASK 0x3F000000
190 #define BMI_NUM_OF_EXTRA_TASKS_MASK 0x000F0000
191 #define BMI_NUM_OF_DMAS_MASK 0x00000F00
192 #define BMI_NUM_OF_EXTRA_DMAS_MASK 0x0000000F
193 #define BMI_FIFO_SIZE_MASK 0x000003FF
194 #define BMI_EXTRA_FIFO_SIZE_MASK 0x03FF0000
195 #define BMI_CFG2_DMAS_MASK 0x0000003F
196 #define BMI_CFG2_TASKS_MASK 0x0000003F
198 #define BMI_CFG2_TASKS_SHIFT 16
199 #define BMI_CFG2_DMAS_SHIFT 0
200 #define BMI_CFG1_FIFO_SIZE_SHIFT 16
201 #define BMI_NUM_OF_TASKS_SHIFT 24
202 #define BMI_EXTRA_NUM_OF_TASKS_SHIFT 16
203 #define BMI_NUM_OF_DMAS_SHIFT 8
204 #define BMI_EXTRA_NUM_OF_DMAS_SHIFT 0
206 #define BMI_FIFO_ALIGN 0x100
208 #define BMI_EXTRA_FIFO_SIZE_SHIFT 16
211 #define QMI_CFG_ENQ_EN 0x80000000
212 #define QMI_CFG_DEQ_EN 0x40000000
213 #define QMI_CFG_EN_COUNTERS 0x10000000
214 #define QMI_CFG_DEQ_MASK 0x0000003F
215 #define QMI_CFG_ENQ_MASK 0x00003F00
216 #define QMI_CFG_ENQ_SHIFT 8
218 #define QMI_ERR_INTR_EN_DOUBLE_ECC 0x80000000
219 #define QMI_ERR_INTR_EN_DEQ_FROM_DEF 0x40000000
220 #define QMI_INTR_EN_SINGLE_ECC 0x80000000
222 #define QMI_GS_HALT_NOT_BUSY 0x00000002
225 #define HWP_RPIMAC_PEN 0x00000001
228 #define IRAM_IADD_AIE 0x80000000
229 #define IRAM_READY 0x80000000
232 #define DEFAULT_CATASTROPHIC_ERR 0
233 #define DEFAULT_DMA_ERR 0
234 #define DEFAULT_AID_MODE FMAN_DMA_AID_OUT_TNUM
235 #define DEFAULT_DMA_COMM_Q_LOW 0x2A
236 #define DEFAULT_DMA_COMM_Q_HIGH 0x3F
237 #define DEFAULT_CACHE_OVERRIDE 0
238 #define DEFAULT_DMA_CAM_NUM_OF_ENTRIES 64
239 #define DEFAULT_DMA_DBG_CNT_MODE 0
240 #define DEFAULT_DMA_SOS_EMERGENCY 0
241 #define DEFAULT_DMA_WATCHDOG 0
242 #define DEFAULT_DISP_LIMIT 0
243 #define DEFAULT_PRS_DISP_TH 16
244 #define DEFAULT_PLCR_DISP_TH 16
245 #define DEFAULT_KG_DISP_TH 16
246 #define DEFAULT_BMI_DISP_TH 16
247 #define DEFAULT_QMI_ENQ_DISP_TH 16
248 #define DEFAULT_QMI_DEQ_DISP_TH 16
249 #define DEFAULT_FM_CTL1_DISP_TH 16
250 #define DEFAULT_FM_CTL2_DISP_TH 16
252 #define DFLT_AXI_DBG_NUM_OF_BEATS 1
254 #define DFLT_DMA_READ_INT_BUF_LOW(dma_thresh_max_buf) \
255 ((dma_thresh_max_buf + 1) / 2)
256 #define DFLT_DMA_READ_INT_BUF_HIGH(dma_thresh_max_buf) \
257 ((dma_thresh_max_buf + 1) * 3 / 4)
258 #define DFLT_DMA_WRITE_INT_BUF_LOW(dma_thresh_max_buf) \
259 ((dma_thresh_max_buf + 1) / 2)
260 #define DFLT_DMA_WRITE_INT_BUF_HIGH(dma_thresh_max_buf)\
261 ((dma_thresh_max_buf + 1) * 3 / 4)
263 #define DMA_COMM_Q_LOW_FMAN_V3 0x2A
264 #define DMA_COMM_Q_LOW_FMAN_V2(dma_thresh_max_commq) \
265 ((dma_thresh_max_commq + 1) / 2)
266 #define DFLT_DMA_COMM_Q_LOW(major, dma_thresh_max_commq) \
267 ((major == 6) ? DMA_COMM_Q_LOW_FMAN_V3 : \
268 DMA_COMM_Q_LOW_FMAN_V2(dma_thresh_max_commq))
270 #define DMA_COMM_Q_HIGH_FMAN_V3 0x3f
271 #define DMA_COMM_Q_HIGH_FMAN_V2(dma_thresh_max_commq) \
272 ((dma_thresh_max_commq + 1) * 3 / 4)
273 #define DFLT_DMA_COMM_Q_HIGH(major, dma_thresh_max_commq) \
274 ((major == 6) ? DMA_COMM_Q_HIGH_FMAN_V3 : \
275 DMA_COMM_Q_HIGH_FMAN_V2(dma_thresh_max_commq))
277 #define TOTAL_NUM_OF_TASKS_FMAN_V3L 59
278 #define TOTAL_NUM_OF_TASKS_FMAN_V3H 124
279 #define DFLT_TOTAL_NUM_OF_TASKS(major, minor, bmi_max_num_of_tasks) \
280 ((major == 6) ? ((minor == 1 || minor == 4) ? \
281 TOTAL_NUM_OF_TASKS_FMAN_V3L : TOTAL_NUM_OF_TASKS_FMAN_V3H) : \
282 bmi_max_num_of_tasks)
284 #define DMA_CAM_NUM_OF_ENTRIES_FMAN_V3 64
285 #define DMA_CAM_NUM_OF_ENTRIES_FMAN_V2 32
286 #define DFLT_DMA_CAM_NUM_OF_ENTRIES(major) \
287 (major == 6 ? DMA_CAM_NUM_OF_ENTRIES_FMAN_V3 : \
288 DMA_CAM_NUM_OF_ENTRIES_FMAN_V2)
290 #define FM_TIMESTAMP_1_USEC_BIT 8
292 /* Defines used for enabling/disabling FMan interrupts */
293 #define ERR_INTR_EN_DMA 0x00010000
294 #define ERR_INTR_EN_FPM 0x80000000
295 #define ERR_INTR_EN_BMI 0x00800000
296 #define ERR_INTR_EN_QMI 0x00400000
297 #define ERR_INTR_EN_MURAM 0x00040000
298 #define ERR_INTR_EN_MAC0 0x00004000
299 #define ERR_INTR_EN_MAC1 0x00002000
300 #define ERR_INTR_EN_MAC2 0x00001000
301 #define ERR_INTR_EN_MAC3 0x00000800
302 #define ERR_INTR_EN_MAC4 0x00000400
303 #define ERR_INTR_EN_MAC5 0x00000200
304 #define ERR_INTR_EN_MAC6 0x00000100
305 #define ERR_INTR_EN_MAC7 0x00000080
306 #define ERR_INTR_EN_MAC8 0x00008000
307 #define ERR_INTR_EN_MAC9 0x00000040
309 #define INTR_EN_QMI 0x40000000
310 #define INTR_EN_MAC0 0x00080000
311 #define INTR_EN_MAC1 0x00040000
312 #define INTR_EN_MAC2 0x00020000
313 #define INTR_EN_MAC3 0x00010000
314 #define INTR_EN_MAC4 0x00000040
315 #define INTR_EN_MAC5 0x00000020
316 #define INTR_EN_MAC6 0x00000008
317 #define INTR_EN_MAC7 0x00000002
318 #define INTR_EN_MAC8 0x00200000
319 #define INTR_EN_MAC9 0x00100000
320 #define INTR_EN_REV0 0x00008000
321 #define INTR_EN_REV1 0x00004000
322 #define INTR_EN_REV2 0x00002000
323 #define INTR_EN_REV3 0x00001000
324 #define INTR_EN_TMR 0x01000000
326 enum fman_dma_aid_mode
{
327 FMAN_DMA_AID_OUT_PORT_ID
= 0, /* 4 LSB of PORT_ID */
328 FMAN_DMA_AID_OUT_TNUM
/* 4 LSB of TNUM */
331 struct fman_iram_regs
{
332 u32 iadd
; /* FM IRAM instruction address register */
333 u32 idata
; /* FM IRAM instruction data register */
334 u32 itcfg
; /* FM IRAM timing config register */
335 u32 iready
; /* FM IRAM ready register */
338 struct fman_fpm_regs
{
339 u32 fmfp_tnc
; /* FPM TNUM Control 0x00 */
340 u32 fmfp_prc
; /* FPM Port_ID FmCtl Association 0x04 */
341 u32 fmfp_brkc
; /* FPM Breakpoint Control 0x08 */
342 u32 fmfp_mxd
; /* FPM Flush Control 0x0c */
343 u32 fmfp_dist1
; /* FPM Dispatch Thresholds1 0x10 */
344 u32 fmfp_dist2
; /* FPM Dispatch Thresholds2 0x14 */
345 u32 fm_epi
; /* FM Error Pending Interrupts 0x18 */
346 u32 fm_rie
; /* FM Error Interrupt Enable 0x1c */
347 u32 fmfp_fcev
[4]; /* FPM FMan-Controller Event 1-4 0x20-0x2f */
348 u32 res0030
[4]; /* res 0x30 - 0x3f */
349 u32 fmfp_cee
[4]; /* PM FMan-Controller Event 1-4 0x40-0x4f */
350 u32 res0050
[4]; /* res 0x50-0x5f */
351 u32 fmfp_tsc1
; /* FPM TimeStamp Control1 0x60 */
352 u32 fmfp_tsc2
; /* FPM TimeStamp Control2 0x64 */
353 u32 fmfp_tsp
; /* FPM Time Stamp 0x68 */
354 u32 fmfp_tsf
; /* FPM Time Stamp Fraction 0x6c */
355 u32 fm_rcr
; /* FM Rams Control 0x70 */
356 u32 fmfp_extc
; /* FPM External Requests Control 0x74 */
357 u32 fmfp_ext1
; /* FPM External Requests Config1 0x78 */
358 u32 fmfp_ext2
; /* FPM External Requests Config2 0x7c */
359 u32 fmfp_drd
[16]; /* FPM Data_Ram Data 0-15 0x80 - 0xbf */
360 u32 fmfp_dra
; /* FPM Data Ram Access 0xc0 */
361 u32 fm_ip_rev_1
; /* FM IP Block Revision 1 0xc4 */
362 u32 fm_ip_rev_2
; /* FM IP Block Revision 2 0xc8 */
363 u32 fm_rstc
; /* FM Reset Command 0xcc */
364 u32 fm_cld
; /* FM Classifier Debug 0xd0 */
365 u32 fm_npi
; /* FM Normal Pending Interrupts 0xd4 */
366 u32 fmfp_exte
; /* FPM External Requests Enable 0xd8 */
367 u32 fmfp_ee
; /* FPM Event&Mask 0xdc */
368 u32 fmfp_cev
[4]; /* FPM CPU Event 1-4 0xe0-0xef */
369 u32 res00f0
[4]; /* res 0xf0-0xff */
370 u32 fmfp_ps
[50]; /* FPM Port Status 0x100-0x1c7 */
371 u32 res01c8
[14]; /* res 0x1c8-0x1ff */
372 u32 fmfp_clfabc
; /* FPM CLFABC 0x200 */
373 u32 fmfp_clfcc
; /* FPM CLFCC 0x204 */
374 u32 fmfp_clfaval
; /* FPM CLFAVAL 0x208 */
375 u32 fmfp_clfbval
; /* FPM CLFBVAL 0x20c */
376 u32 fmfp_clfcval
; /* FPM CLFCVAL 0x210 */
377 u32 fmfp_clfamsk
; /* FPM CLFAMSK 0x214 */
378 u32 fmfp_clfbmsk
; /* FPM CLFBMSK 0x218 */
379 u32 fmfp_clfcmsk
; /* FPM CLFCMSK 0x21c */
380 u32 fmfp_clfamc
; /* FPM CLFAMC 0x220 */
381 u32 fmfp_clfbmc
; /* FPM CLFBMC 0x224 */
382 u32 fmfp_clfcmc
; /* FPM CLFCMC 0x228 */
383 u32 fmfp_decceh
; /* FPM DECCEH 0x22c */
384 u32 res0230
[116]; /* res 0x230 - 0x3ff */
385 u32 fmfp_ts
[128]; /* 0x400: FPM Task Status 0x400 - 0x5ff */
386 u32 res0600
[0x400 - 384];
389 struct fman_bmi_regs
{
390 u32 fmbm_init
; /* BMI Initialization 0x00 */
391 u32 fmbm_cfg1
; /* BMI Configuration 1 0x04 */
392 u32 fmbm_cfg2
; /* BMI Configuration 2 0x08 */
393 u32 res000c
[5]; /* 0x0c - 0x1f */
394 u32 fmbm_ievr
; /* Interrupt Event Register 0x20 */
395 u32 fmbm_ier
; /* Interrupt Enable Register 0x24 */
396 u32 fmbm_ifr
; /* Interrupt Force Register 0x28 */
397 u32 res002c
[5]; /* 0x2c - 0x3f */
398 u32 fmbm_arb
[8]; /* BMI Arbitration 0x40 - 0x5f */
399 u32 res0060
[12]; /* 0x60 - 0x8f */
400 u32 fmbm_dtc
[3]; /* Debug Trap Counter 0x90 - 0x9b */
401 u32 res009c
; /* 0x9c */
402 u32 fmbm_dcv
[3][4]; /* Debug Compare val 0xa0-0xcf */
403 u32 fmbm_dcm
[3][4]; /* Debug Compare Mask 0xd0-0xff */
404 u32 fmbm_gde
; /* BMI Global Debug Enable 0x100 */
405 u32 fmbm_pp
[63]; /* BMI Port Parameters 0x104 - 0x1ff */
406 u32 res0200
; /* 0x200 */
407 u32 fmbm_pfs
[63]; /* BMI Port FIFO Size 0x204 - 0x2ff */
408 u32 res0300
; /* 0x300 */
409 u32 fmbm_spliodn
[63]; /* Port Partition ID 0x304 - 0x3ff */
412 struct fman_qmi_regs
{
413 u32 fmqm_gc
; /* General Configuration Register 0x00 */
414 u32 res0004
; /* 0x04 */
415 u32 fmqm_eie
; /* Error Interrupt Event Register 0x08 */
416 u32 fmqm_eien
; /* Error Interrupt Enable Register 0x0c */
417 u32 fmqm_eif
; /* Error Interrupt Force Register 0x10 */
418 u32 fmqm_ie
; /* Interrupt Event Register 0x14 */
419 u32 fmqm_ien
; /* Interrupt Enable Register 0x18 */
420 u32 fmqm_if
; /* Interrupt Force Register 0x1c */
421 u32 fmqm_gs
; /* Global Status Register 0x20 */
422 u32 fmqm_ts
; /* Task Status Register 0x24 */
423 u32 fmqm_etfc
; /* Enqueue Total Frame Counter 0x28 */
424 u32 fmqm_dtfc
; /* Dequeue Total Frame Counter 0x2c */
425 u32 fmqm_dc0
; /* Dequeue Counter 0 0x30 */
426 u32 fmqm_dc1
; /* Dequeue Counter 1 0x34 */
427 u32 fmqm_dc2
; /* Dequeue Counter 2 0x38 */
428 u32 fmqm_dc3
; /* Dequeue Counter 3 0x3c */
429 u32 fmqm_dfdc
; /* Dequeue FQID from Default Counter 0x40 */
430 u32 fmqm_dfcc
; /* Dequeue FQID from Context Counter 0x44 */
431 u32 fmqm_dffc
; /* Dequeue FQID from FD Counter 0x48 */
432 u32 fmqm_dcc
; /* Dequeue Confirm Counter 0x4c */
433 u32 res0050
[7]; /* 0x50 - 0x6b */
434 u32 fmqm_tapc
; /* Tnum Aging Period Control 0x6c */
435 u32 fmqm_dmcvc
; /* Dequeue MAC Command Valid Counter 0x70 */
436 u32 fmqm_difdcc
; /* Dequeue Invalid FD Command Counter 0x74 */
437 u32 fmqm_da1v
; /* Dequeue A1 Valid Counter 0x78 */
438 u32 res007c
; /* 0x7c */
439 u32 fmqm_dtc
; /* 0x80 Debug Trap Counter 0x80 */
440 u32 fmqm_efddd
; /* 0x84 Enqueue Frame desc Dynamic dbg 0x84 */
441 u32 res0088
[2]; /* 0x88 - 0x8f */
443 u32 fmqm_dtcfg1
; /* 0x90 dbg trap cfg 1 Register 0x00 */
444 u32 fmqm_dtval1
; /* Debug Trap Value 1 Register 0x04 */
445 u32 fmqm_dtm1
; /* Debug Trap Mask 1 Register 0x08 */
446 u32 fmqm_dtc1
; /* Debug Trap Counter 1 Register 0x0c */
447 u32 fmqm_dtcfg2
; /* dbg Trap cfg 2 Register 0x10 */
448 u32 fmqm_dtval2
; /* Debug Trap Value 2 Register 0x14 */
449 u32 fmqm_dtm2
; /* Debug Trap Mask 2 Register 0x18 */
450 u32 res001c
; /* 0x1c */
451 } dbg_traps
[3]; /* 0x90 - 0xef */
452 u8 res00f0
[0x400 - 0xf0]; /* 0xf0 - 0x3ff */
455 struct fman_dma_regs
{
456 u32 fmdmsr
; /* FM DMA status register 0x00 */
457 u32 fmdmmr
; /* FM DMA mode register 0x04 */
458 u32 fmdmtr
; /* FM DMA bus threshold register 0x08 */
459 u32 fmdmhy
; /* FM DMA bus hysteresis register 0x0c */
460 u32 fmdmsetr
; /* FM DMA SOS emergency Threshold Register 0x10 */
461 u32 fmdmtah
; /* FM DMA transfer bus address high reg 0x14 */
462 u32 fmdmtal
; /* FM DMA transfer bus address low reg 0x18 */
463 u32 fmdmtcid
; /* FM DMA transfer bus communication ID reg 0x1c */
464 u32 fmdmra
; /* FM DMA bus internal ram address register 0x20 */
465 u32 fmdmrd
; /* FM DMA bus internal ram data register 0x24 */
466 u32 fmdmwcr
; /* FM DMA CAM watchdog counter value 0x28 */
467 u32 fmdmebcr
; /* FM DMA CAM base in MURAM register 0x2c */
468 u32 fmdmccqdr
; /* FM DMA CAM and CMD Queue Debug reg 0x30 */
469 u32 fmdmccqvr1
; /* FM DMA CAM and CMD Queue Value reg #1 0x34 */
470 u32 fmdmccqvr2
; /* FM DMA CAM and CMD Queue Value reg #2 0x38 */
471 u32 fmdmcqvr3
; /* FM DMA CMD Queue Value register #3 0x3c */
472 u32 fmdmcqvr4
; /* FM DMA CMD Queue Value register #4 0x40 */
473 u32 fmdmcqvr5
; /* FM DMA CMD Queue Value register #5 0x44 */
474 u32 fmdmsefrc
; /* FM DMA Semaphore Entry Full Reject Cntr 0x48 */
475 u32 fmdmsqfrc
; /* FM DMA Semaphore Queue Full Reject Cntr 0x4c */
476 u32 fmdmssrc
; /* FM DMA Semaphore SYNC Reject Counter 0x50 */
477 u32 fmdmdcr
; /* FM DMA Debug Counter 0x54 */
478 u32 fmdmemsr
; /* FM DMA Emergency Smoother Register 0x58 */
479 u32 res005c
; /* 0x5c */
480 u32 fmdmplr
[FMAN_LIODN_TBL
/ 2]; /* DMA LIODN regs 0x60-0xdf */
481 u32 res00e0
[0x400 - 56];
484 struct fman_hwp_regs
{
485 u32 res0000
[0x844 / 4]; /* 0x000..0x843 */
486 u32 fmprrpimac
; /* FM Parser Internal memory access control */
487 u32 res
[(0x1000 - 0x848) / 4]; /* 0x848..0xFFF */
490 /* Structure that holds current FMan state.
491 * Used for saving run time information.
493 struct fman_state_struct
{
496 struct fman_rev_info rev_info
;
497 bool enabled_time_stamp
;
499 u8 total_num_of_tasks
;
500 u8 accumulated_num_of_tasks
;
501 u32 accumulated_fifo_size
;
502 u8 accumulated_num_of_open_dmas
;
503 u8 accumulated_num_of_deq_tnums
;
505 u32 extra_fifo_pool_size
;
506 u8 extra_tasks_pool_size
;
507 u8 extra_open_dmas_pool_size
;
508 u16 port_mfl
[MAX_NUM_OF_MACS
];
509 u16 mac_mfl
[MAX_NUM_OF_MACS
];
514 u32 dma_thresh_max_commq
;
515 u32 dma_thresh_max_buf
;
516 u32 max_num_of_open_dmas
;
518 u32 qmi_max_num_of_tnums
;
519 u32 qmi_def_tnums_thresh
;
521 u32 bmi_max_num_of_tasks
;
522 u32 bmi_max_fifo_size
;
524 u32 fm_port_num_of_cg
;
528 u32 qman_channel_base
;
529 u32 num_of_qman_channels
;
531 struct resource
*res
;
534 /* Structure that holds FMan initial configuration */
545 int dma_cache_override
;
546 enum fman_dma_aid_mode dma_aid_mode
;
547 u32 dma_axi_dbg_num_of_beats
;
548 u32 dma_cam_num_of_entries
;
550 u8 dma_comm_qtsh_asrt_emer
;
551 u32 dma_write_buf_tsh_asrt_emer
;
552 u32 dma_read_buf_tsh_asrt_emer
;
553 u8 dma_comm_qtsh_clr_emer
;
554 u32 dma_write_buf_tsh_clr_emer
;
555 u32 dma_read_buf_tsh_clr_emer
;
556 u32 dma_sos_emergency
;
557 int dma_dbg_cnt_mode
;
558 int catastrophic_err
;
565 u32 total_num_of_tasks
;
566 u32 qmi_def_tnums_thresh
;
569 static irqreturn_t
fman_exceptions(struct fman
*fman
,
570 enum fman_exceptions exception
)
572 dev_dbg(fman
->dev
, "%s: FMan[%d] exception %d\n",
573 __func__
, fman
->state
->fm_id
, exception
);
578 static irqreturn_t
fman_bus_error(struct fman
*fman
, u8 __maybe_unused port_id
,
579 u64 __maybe_unused addr
,
580 u8 __maybe_unused tnum
,
581 u16 __maybe_unused liodn
)
583 dev_dbg(fman
->dev
, "%s: FMan[%d] bus error: port_id[%d]\n",
584 __func__
, fman
->state
->fm_id
, port_id
);
589 static inline irqreturn_t
call_mac_isr(struct fman
*fman
, u8 id
)
591 if (fman
->intr_mng
[id
].isr_cb
) {
592 fman
->intr_mng
[id
].isr_cb(fman
->intr_mng
[id
].src_handle
);
600 static inline u8
hw_port_id_to_sw_port_id(u8 major
, u8 hw_port_id
)
604 if (hw_port_id
>= BASE_TX_PORTID
)
605 sw_port_id
= hw_port_id
- BASE_TX_PORTID
;
606 else if (hw_port_id
>= BASE_RX_PORTID
)
607 sw_port_id
= hw_port_id
- BASE_RX_PORTID
;
614 static void set_port_order_restoration(struct fman_fpm_regs __iomem
*fpm_rg
,
619 tmp
= port_id
<< FPM_PORT_FM_CTL_PORTID_SHIFT
;
621 tmp
|= FPM_PRT_FM_CTL2
| FPM_PRT_FM_CTL1
;
623 /* order restoration */
625 tmp
|= FPM_PRT_FM_CTL1
<< FPM_PRC_ORA_FM_CTL_SEL_SHIFT
;
627 tmp
|= FPM_PRT_FM_CTL2
<< FPM_PRC_ORA_FM_CTL_SEL_SHIFT
;
629 iowrite32be(tmp
, &fpm_rg
->fmfp_prc
);
632 static void set_port_liodn(struct fman
*fman
, u8 port_id
,
633 u32 liodn_base
, u32 liodn_ofst
)
637 iowrite32be(liodn_ofst
, &fman
->bmi_regs
->fmbm_spliodn
[port_id
- 1]);
638 if (!IS_ENABLED(CONFIG_FSL_PAMU
))
640 /* set LIODN base for this port */
641 tmp
= ioread32be(&fman
->dma_regs
->fmdmplr
[port_id
/ 2]);
643 tmp
&= ~DMA_LIODN_BASE_MASK
;
646 tmp
&= ~(DMA_LIODN_BASE_MASK
<< DMA_LIODN_SHIFT
);
647 tmp
|= liodn_base
<< DMA_LIODN_SHIFT
;
649 iowrite32be(tmp
, &fman
->dma_regs
->fmdmplr
[port_id
/ 2]);
652 static void enable_rams_ecc(struct fman_fpm_regs __iomem
*fpm_rg
)
656 tmp
= ioread32be(&fpm_rg
->fm_rcr
);
657 if (tmp
& FPM_RAM_RAMS_ECC_EN_SRC_SEL
)
658 iowrite32be(tmp
| FPM_RAM_IRAM_ECC_EN
, &fpm_rg
->fm_rcr
);
660 iowrite32be(tmp
| FPM_RAM_RAMS_ECC_EN
|
661 FPM_RAM_IRAM_ECC_EN
, &fpm_rg
->fm_rcr
);
664 static void disable_rams_ecc(struct fman_fpm_regs __iomem
*fpm_rg
)
668 tmp
= ioread32be(&fpm_rg
->fm_rcr
);
669 if (tmp
& FPM_RAM_RAMS_ECC_EN_SRC_SEL
)
670 iowrite32be(tmp
& ~FPM_RAM_IRAM_ECC_EN
, &fpm_rg
->fm_rcr
);
672 iowrite32be(tmp
& ~(FPM_RAM_RAMS_ECC_EN
| FPM_RAM_IRAM_ECC_EN
),
676 static void fman_defconfig(struct fman_cfg
*cfg
)
678 memset(cfg
, 0, sizeof(struct fman_cfg
));
680 cfg
->catastrophic_err
= DEFAULT_CATASTROPHIC_ERR
;
681 cfg
->dma_err
= DEFAULT_DMA_ERR
;
682 cfg
->dma_aid_mode
= DEFAULT_AID_MODE
;
683 cfg
->dma_comm_qtsh_clr_emer
= DEFAULT_DMA_COMM_Q_LOW
;
684 cfg
->dma_comm_qtsh_asrt_emer
= DEFAULT_DMA_COMM_Q_HIGH
;
685 cfg
->dma_cache_override
= DEFAULT_CACHE_OVERRIDE
;
686 cfg
->dma_cam_num_of_entries
= DEFAULT_DMA_CAM_NUM_OF_ENTRIES
;
687 cfg
->dma_dbg_cnt_mode
= DEFAULT_DMA_DBG_CNT_MODE
;
688 cfg
->dma_sos_emergency
= DEFAULT_DMA_SOS_EMERGENCY
;
689 cfg
->dma_watchdog
= DEFAULT_DMA_WATCHDOG
;
690 cfg
->disp_limit_tsh
= DEFAULT_DISP_LIMIT
;
691 cfg
->prs_disp_tsh
= DEFAULT_PRS_DISP_TH
;
692 cfg
->plcr_disp_tsh
= DEFAULT_PLCR_DISP_TH
;
693 cfg
->kg_disp_tsh
= DEFAULT_KG_DISP_TH
;
694 cfg
->bmi_disp_tsh
= DEFAULT_BMI_DISP_TH
;
695 cfg
->qmi_enq_disp_tsh
= DEFAULT_QMI_ENQ_DISP_TH
;
696 cfg
->qmi_deq_disp_tsh
= DEFAULT_QMI_DEQ_DISP_TH
;
697 cfg
->fm_ctl1_disp_tsh
= DEFAULT_FM_CTL1_DISP_TH
;
698 cfg
->fm_ctl2_disp_tsh
= DEFAULT_FM_CTL2_DISP_TH
;
701 static int dma_init(struct fman
*fman
)
703 struct fman_dma_regs __iomem
*dma_rg
= fman
->dma_regs
;
704 struct fman_cfg
*cfg
= fman
->cfg
;
707 /* Init DMA Registers */
709 /* clear status reg events */
710 tmp_reg
= (DMA_STATUS_BUS_ERR
| DMA_STATUS_READ_ECC
|
711 DMA_STATUS_SYSTEM_WRITE_ECC
| DMA_STATUS_FM_WRITE_ECC
);
712 iowrite32be(ioread32be(&dma_rg
->fmdmsr
) | tmp_reg
, &dma_rg
->fmdmsr
);
714 /* configure mode register */
716 tmp_reg
|= cfg
->dma_cache_override
<< DMA_MODE_CACHE_OR_SHIFT
;
717 if (cfg
->exceptions
& EX_DMA_BUS_ERROR
)
718 tmp_reg
|= DMA_MODE_BER
;
719 if ((cfg
->exceptions
& EX_DMA_SYSTEM_WRITE_ECC
) |
720 (cfg
->exceptions
& EX_DMA_READ_ECC
) |
721 (cfg
->exceptions
& EX_DMA_FM_WRITE_ECC
))
722 tmp_reg
|= DMA_MODE_ECC
;
723 if (cfg
->dma_axi_dbg_num_of_beats
)
724 tmp_reg
|= (DMA_MODE_AXI_DBG_MASK
&
725 ((cfg
->dma_axi_dbg_num_of_beats
- 1)
726 << DMA_MODE_AXI_DBG_SHIFT
));
728 tmp_reg
|= (((cfg
->dma_cam_num_of_entries
/ DMA_CAM_UNITS
) - 1) &
729 DMA_MODE_CEN_MASK
) << DMA_MODE_CEN_SHIFT
;
730 tmp_reg
|= DMA_MODE_SECURE_PROT
;
731 tmp_reg
|= cfg
->dma_dbg_cnt_mode
<< DMA_MODE_DBG_SHIFT
;
732 tmp_reg
|= cfg
->dma_aid_mode
<< DMA_MODE_AID_MODE_SHIFT
;
734 iowrite32be(tmp_reg
, &dma_rg
->fmdmmr
);
736 /* configure thresholds register */
737 tmp_reg
= ((u32
)cfg
->dma_comm_qtsh_asrt_emer
<<
738 DMA_THRESH_COMMQ_SHIFT
);
739 tmp_reg
|= (cfg
->dma_read_buf_tsh_asrt_emer
&
740 DMA_THRESH_READ_INT_BUF_MASK
) << DMA_THRESH_READ_INT_BUF_SHIFT
;
741 tmp_reg
|= cfg
->dma_write_buf_tsh_asrt_emer
&
742 DMA_THRESH_WRITE_INT_BUF_MASK
;
744 iowrite32be(tmp_reg
, &dma_rg
->fmdmtr
);
746 /* configure hysteresis register */
747 tmp_reg
= ((u32
)cfg
->dma_comm_qtsh_clr_emer
<<
748 DMA_THRESH_COMMQ_SHIFT
);
749 tmp_reg
|= (cfg
->dma_read_buf_tsh_clr_emer
&
750 DMA_THRESH_READ_INT_BUF_MASK
) << DMA_THRESH_READ_INT_BUF_SHIFT
;
751 tmp_reg
|= cfg
->dma_write_buf_tsh_clr_emer
&
752 DMA_THRESH_WRITE_INT_BUF_MASK
;
754 iowrite32be(tmp_reg
, &dma_rg
->fmdmhy
);
756 /* configure emergency threshold */
757 iowrite32be(cfg
->dma_sos_emergency
, &dma_rg
->fmdmsetr
);
759 /* configure Watchdog */
760 iowrite32be((cfg
->dma_watchdog
* cfg
->clk_freq
), &dma_rg
->fmdmwcr
);
762 iowrite32be(cfg
->cam_base_addr
, &dma_rg
->fmdmebcr
);
764 /* Allocate MURAM for CAM */
766 (u32
)(fman
->cfg
->dma_cam_num_of_entries
* DMA_CAM_SIZEOF_ENTRY
);
767 fman
->cam_offset
= fman_muram_alloc(fman
->muram
, fman
->cam_size
);
768 if (IS_ERR_VALUE(fman
->cam_offset
)) {
769 dev_err(fman
->dev
, "%s: MURAM alloc for DMA CAM failed\n",
774 if (fman
->state
->rev_info
.major
== 2) {
775 u32 __iomem
*cam_base_addr
;
777 fman_muram_free_mem(fman
->muram
, fman
->cam_offset
,
780 fman
->cam_size
= fman
->cfg
->dma_cam_num_of_entries
* 72 + 128;
781 fman
->cam_offset
= fman_muram_alloc(fman
->muram
,
783 if (IS_ERR_VALUE(fman
->cam_offset
)) {
784 dev_err(fman
->dev
, "%s: MURAM alloc for DMA CAM failed\n",
789 if (fman
->cfg
->dma_cam_num_of_entries
% 8 ||
790 fman
->cfg
->dma_cam_num_of_entries
> 32) {
791 dev_err(fman
->dev
, "%s: wrong dma_cam_num_of_entries\n",
796 cam_base_addr
= (u32 __iomem
*)
797 fman_muram_offset_to_vbase(fman
->muram
,
800 (32 - fman
->cfg
->dma_cam_num_of_entries
)) - 1),
804 fman
->cfg
->cam_base_addr
= fman
->cam_offset
;
809 static void fpm_init(struct fman_fpm_regs __iomem
*fpm_rg
, struct fman_cfg
*cfg
)
814 /* Init FPM Registers */
816 tmp_reg
= (u32
)(cfg
->disp_limit_tsh
<< FPM_DISP_LIMIT_SHIFT
);
817 iowrite32be(tmp_reg
, &fpm_rg
->fmfp_mxd
);
819 tmp_reg
= (((u32
)cfg
->prs_disp_tsh
<< FPM_THR1_PRS_SHIFT
) |
820 ((u32
)cfg
->kg_disp_tsh
<< FPM_THR1_KG_SHIFT
) |
821 ((u32
)cfg
->plcr_disp_tsh
<< FPM_THR1_PLCR_SHIFT
) |
822 ((u32
)cfg
->bmi_disp_tsh
<< FPM_THR1_BMI_SHIFT
));
823 iowrite32be(tmp_reg
, &fpm_rg
->fmfp_dist1
);
826 (((u32
)cfg
->qmi_enq_disp_tsh
<< FPM_THR2_QMI_ENQ_SHIFT
) |
827 ((u32
)cfg
->qmi_deq_disp_tsh
<< FPM_THR2_QMI_DEQ_SHIFT
) |
828 ((u32
)cfg
->fm_ctl1_disp_tsh
<< FPM_THR2_FM_CTL1_SHIFT
) |
829 ((u32
)cfg
->fm_ctl2_disp_tsh
<< FPM_THR2_FM_CTL2_SHIFT
));
830 iowrite32be(tmp_reg
, &fpm_rg
->fmfp_dist2
);
832 /* define exceptions and error behavior */
835 tmp_reg
|= (FPM_EV_MASK_STALL
| FPM_EV_MASK_DOUBLE_ECC
|
836 FPM_EV_MASK_SINGLE_ECC
);
837 /* enable interrupts */
838 if (cfg
->exceptions
& EX_FPM_STALL_ON_TASKS
)
839 tmp_reg
|= FPM_EV_MASK_STALL_EN
;
840 if (cfg
->exceptions
& EX_FPM_SINGLE_ECC
)
841 tmp_reg
|= FPM_EV_MASK_SINGLE_ECC_EN
;
842 if (cfg
->exceptions
& EX_FPM_DOUBLE_ECC
)
843 tmp_reg
|= FPM_EV_MASK_DOUBLE_ECC_EN
;
844 tmp_reg
|= (cfg
->catastrophic_err
<< FPM_EV_MASK_CAT_ERR_SHIFT
);
845 tmp_reg
|= (cfg
->dma_err
<< FPM_EV_MASK_DMA_ERR_SHIFT
);
846 /* FMan is not halted upon external halt activation */
847 tmp_reg
|= FPM_EV_MASK_EXTERNAL_HALT
;
848 /* Man is not halted upon Unrecoverable ECC error behavior */
849 tmp_reg
|= FPM_EV_MASK_ECC_ERR_HALT
;
850 iowrite32be(tmp_reg
, &fpm_rg
->fmfp_ee
);
852 /* clear all fmCtls event registers */
853 for (i
= 0; i
< FM_NUM_OF_FMAN_CTRL_EVENT_REGS
; i
++)
854 iowrite32be(0xFFFFFFFF, &fpm_rg
->fmfp_cev
[i
]);
856 /* RAM ECC - enable and clear events */
857 /* first we need to clear all parser memory,
858 * as it is uninitialized and may cause ECC errors
861 tmp_reg
= (FPM_RAM_MURAM_ECC
| FPM_RAM_IRAM_ECC
);
863 iowrite32be(tmp_reg
, &fpm_rg
->fm_rcr
);
866 if (cfg
->exceptions
& EX_IRAM_ECC
) {
867 tmp_reg
|= FPM_IRAM_ECC_ERR_EX_EN
;
868 enable_rams_ecc(fpm_rg
);
870 if (cfg
->exceptions
& EX_MURAM_ECC
) {
871 tmp_reg
|= FPM_MURAM_ECC_ERR_EX_EN
;
872 enable_rams_ecc(fpm_rg
);
874 iowrite32be(tmp_reg
, &fpm_rg
->fm_rie
);
877 static void bmi_init(struct fman_bmi_regs __iomem
*bmi_rg
,
878 struct fman_cfg
*cfg
)
882 /* Init BMI Registers */
884 /* define common resources */
885 tmp_reg
= cfg
->fifo_base_addr
;
886 tmp_reg
= tmp_reg
/ BMI_FIFO_ALIGN
;
888 tmp_reg
|= ((cfg
->total_fifo_size
/ FMAN_BMI_FIFO_UNITS
- 1) <<
889 BMI_CFG1_FIFO_SIZE_SHIFT
);
890 iowrite32be(tmp_reg
, &bmi_rg
->fmbm_cfg1
);
892 tmp_reg
= ((cfg
->total_num_of_tasks
- 1) & BMI_CFG2_TASKS_MASK
) <<
893 BMI_CFG2_TASKS_SHIFT
;
894 /* num of DMA's will be dynamically updated when each port is set */
895 iowrite32be(tmp_reg
, &bmi_rg
->fmbm_cfg2
);
897 /* define unmaskable exceptions, enable and clear events */
899 iowrite32be(BMI_ERR_INTR_EN_LIST_RAM_ECC
|
900 BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC
|
901 BMI_ERR_INTR_EN_STATISTICS_RAM_ECC
|
902 BMI_ERR_INTR_EN_DISPATCH_RAM_ECC
, &bmi_rg
->fmbm_ievr
);
904 if (cfg
->exceptions
& EX_BMI_LIST_RAM_ECC
)
905 tmp_reg
|= BMI_ERR_INTR_EN_LIST_RAM_ECC
;
906 if (cfg
->exceptions
& EX_BMI_STORAGE_PROFILE_ECC
)
907 tmp_reg
|= BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC
;
908 if (cfg
->exceptions
& EX_BMI_STATISTICS_RAM_ECC
)
909 tmp_reg
|= BMI_ERR_INTR_EN_STATISTICS_RAM_ECC
;
910 if (cfg
->exceptions
& EX_BMI_DISPATCH_RAM_ECC
)
911 tmp_reg
|= BMI_ERR_INTR_EN_DISPATCH_RAM_ECC
;
912 iowrite32be(tmp_reg
, &bmi_rg
->fmbm_ier
);
915 static void qmi_init(struct fman_qmi_regs __iomem
*qmi_rg
,
916 struct fman_cfg
*cfg
)
920 /* Init QMI Registers */
922 /* Clear error interrupt events */
924 iowrite32be(QMI_ERR_INTR_EN_DOUBLE_ECC
| QMI_ERR_INTR_EN_DEQ_FROM_DEF
,
927 if (cfg
->exceptions
& EX_QMI_DEQ_FROM_UNKNOWN_PORTID
)
928 tmp_reg
|= QMI_ERR_INTR_EN_DEQ_FROM_DEF
;
929 if (cfg
->exceptions
& EX_QMI_DOUBLE_ECC
)
930 tmp_reg
|= QMI_ERR_INTR_EN_DOUBLE_ECC
;
932 iowrite32be(tmp_reg
, &qmi_rg
->fmqm_eien
);
935 /* Clear interrupt events */
936 iowrite32be(QMI_INTR_EN_SINGLE_ECC
, &qmi_rg
->fmqm_ie
);
937 if (cfg
->exceptions
& EX_QMI_SINGLE_ECC
)
938 tmp_reg
|= QMI_INTR_EN_SINGLE_ECC
;
940 iowrite32be(tmp_reg
, &qmi_rg
->fmqm_ien
);
943 static void hwp_init(struct fman_hwp_regs __iomem
*hwp_rg
)
945 /* enable HW Parser */
946 iowrite32be(HWP_RPIMAC_PEN
, &hwp_rg
->fmprrpimac
);
949 static int enable(struct fman
*fman
, struct fman_cfg
*cfg
)
953 /* Enable all modules */
955 /* clear&enable global counters - calculate reg and save for later,
956 * because it's the same reg for QMI enable
958 cfg_reg
= QMI_CFG_EN_COUNTERS
;
960 /* Set enqueue and dequeue thresholds */
961 cfg_reg
|= (cfg
->qmi_def_tnums_thresh
<< 8) | cfg
->qmi_def_tnums_thresh
;
963 iowrite32be(BMI_INIT_START
, &fman
->bmi_regs
->fmbm_init
);
964 iowrite32be(cfg_reg
| QMI_CFG_ENQ_EN
| QMI_CFG_DEQ_EN
,
965 &fman
->qmi_regs
->fmqm_gc
);
970 static int set_exception(struct fman
*fman
,
971 enum fman_exceptions exception
, bool enable
)
976 case FMAN_EX_DMA_BUS_ERROR
:
977 tmp
= ioread32be(&fman
->dma_regs
->fmdmmr
);
981 tmp
&= ~DMA_MODE_BER
;
982 /* disable bus error */
983 iowrite32be(tmp
, &fman
->dma_regs
->fmdmmr
);
985 case FMAN_EX_DMA_READ_ECC
:
986 case FMAN_EX_DMA_SYSTEM_WRITE_ECC
:
987 case FMAN_EX_DMA_FM_WRITE_ECC
:
988 tmp
= ioread32be(&fman
->dma_regs
->fmdmmr
);
992 tmp
&= ~DMA_MODE_ECC
;
993 iowrite32be(tmp
, &fman
->dma_regs
->fmdmmr
);
995 case FMAN_EX_FPM_STALL_ON_TASKS
:
996 tmp
= ioread32be(&fman
->fpm_regs
->fmfp_ee
);
998 tmp
|= FPM_EV_MASK_STALL_EN
;
1000 tmp
&= ~FPM_EV_MASK_STALL_EN
;
1001 iowrite32be(tmp
, &fman
->fpm_regs
->fmfp_ee
);
1003 case FMAN_EX_FPM_SINGLE_ECC
:
1004 tmp
= ioread32be(&fman
->fpm_regs
->fmfp_ee
);
1006 tmp
|= FPM_EV_MASK_SINGLE_ECC_EN
;
1008 tmp
&= ~FPM_EV_MASK_SINGLE_ECC_EN
;
1009 iowrite32be(tmp
, &fman
->fpm_regs
->fmfp_ee
);
1011 case FMAN_EX_FPM_DOUBLE_ECC
:
1012 tmp
= ioread32be(&fman
->fpm_regs
->fmfp_ee
);
1014 tmp
|= FPM_EV_MASK_DOUBLE_ECC_EN
;
1016 tmp
&= ~FPM_EV_MASK_DOUBLE_ECC_EN
;
1017 iowrite32be(tmp
, &fman
->fpm_regs
->fmfp_ee
);
1019 case FMAN_EX_QMI_SINGLE_ECC
:
1020 tmp
= ioread32be(&fman
->qmi_regs
->fmqm_ien
);
1022 tmp
|= QMI_INTR_EN_SINGLE_ECC
;
1024 tmp
&= ~QMI_INTR_EN_SINGLE_ECC
;
1025 iowrite32be(tmp
, &fman
->qmi_regs
->fmqm_ien
);
1027 case FMAN_EX_QMI_DOUBLE_ECC
:
1028 tmp
= ioread32be(&fman
->qmi_regs
->fmqm_eien
);
1030 tmp
|= QMI_ERR_INTR_EN_DOUBLE_ECC
;
1032 tmp
&= ~QMI_ERR_INTR_EN_DOUBLE_ECC
;
1033 iowrite32be(tmp
, &fman
->qmi_regs
->fmqm_eien
);
1035 case FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID
:
1036 tmp
= ioread32be(&fman
->qmi_regs
->fmqm_eien
);
1038 tmp
|= QMI_ERR_INTR_EN_DEQ_FROM_DEF
;
1040 tmp
&= ~QMI_ERR_INTR_EN_DEQ_FROM_DEF
;
1041 iowrite32be(tmp
, &fman
->qmi_regs
->fmqm_eien
);
1043 case FMAN_EX_BMI_LIST_RAM_ECC
:
1044 tmp
= ioread32be(&fman
->bmi_regs
->fmbm_ier
);
1046 tmp
|= BMI_ERR_INTR_EN_LIST_RAM_ECC
;
1048 tmp
&= ~BMI_ERR_INTR_EN_LIST_RAM_ECC
;
1049 iowrite32be(tmp
, &fman
->bmi_regs
->fmbm_ier
);
1051 case FMAN_EX_BMI_STORAGE_PROFILE_ECC
:
1052 tmp
= ioread32be(&fman
->bmi_regs
->fmbm_ier
);
1054 tmp
|= BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC
;
1056 tmp
&= ~BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC
;
1057 iowrite32be(tmp
, &fman
->bmi_regs
->fmbm_ier
);
1059 case FMAN_EX_BMI_STATISTICS_RAM_ECC
:
1060 tmp
= ioread32be(&fman
->bmi_regs
->fmbm_ier
);
1062 tmp
|= BMI_ERR_INTR_EN_STATISTICS_RAM_ECC
;
1064 tmp
&= ~BMI_ERR_INTR_EN_STATISTICS_RAM_ECC
;
1065 iowrite32be(tmp
, &fman
->bmi_regs
->fmbm_ier
);
1067 case FMAN_EX_BMI_DISPATCH_RAM_ECC
:
1068 tmp
= ioread32be(&fman
->bmi_regs
->fmbm_ier
);
1070 tmp
|= BMI_ERR_INTR_EN_DISPATCH_RAM_ECC
;
1072 tmp
&= ~BMI_ERR_INTR_EN_DISPATCH_RAM_ECC
;
1073 iowrite32be(tmp
, &fman
->bmi_regs
->fmbm_ier
);
1075 case FMAN_EX_IRAM_ECC
:
1076 tmp
= ioread32be(&fman
->fpm_regs
->fm_rie
);
1078 /* enable ECC if not enabled */
1079 enable_rams_ecc(fman
->fpm_regs
);
1080 /* enable ECC interrupts */
1081 tmp
|= FPM_IRAM_ECC_ERR_EX_EN
;
1083 /* ECC mechanism may be disabled,
1084 * depending on driver status
1086 disable_rams_ecc(fman
->fpm_regs
);
1087 tmp
&= ~FPM_IRAM_ECC_ERR_EX_EN
;
1089 iowrite32be(tmp
, &fman
->fpm_regs
->fm_rie
);
1091 case FMAN_EX_MURAM_ECC
:
1092 tmp
= ioread32be(&fman
->fpm_regs
->fm_rie
);
1094 /* enable ECC if not enabled */
1095 enable_rams_ecc(fman
->fpm_regs
);
1096 /* enable ECC interrupts */
1097 tmp
|= FPM_MURAM_ECC_ERR_EX_EN
;
1099 /* ECC mechanism may be disabled,
1100 * depending on driver status
1102 disable_rams_ecc(fman
->fpm_regs
);
1103 tmp
&= ~FPM_MURAM_ECC_ERR_EX_EN
;
1105 iowrite32be(tmp
, &fman
->fpm_regs
->fm_rie
);
1113 static void resume(struct fman_fpm_regs __iomem
*fpm_rg
)
1117 tmp
= ioread32be(&fpm_rg
->fmfp_ee
);
1118 /* clear tmp_reg event bits in order not to clear standing events */
1119 tmp
&= ~(FPM_EV_MASK_DOUBLE_ECC
|
1120 FPM_EV_MASK_STALL
| FPM_EV_MASK_SINGLE_ECC
);
1121 tmp
|= FPM_EV_MASK_RELEASE_FM
;
1123 iowrite32be(tmp
, &fpm_rg
->fmfp_ee
);
1126 static int fill_soc_specific_params(struct fman_state_struct
*state
)
1128 u8 minor
= state
->rev_info
.minor
;
1130 * P2041/P3041/P5020/P5040 - Major 3
1133 switch (state
->rev_info
.major
) {
1135 state
->bmi_max_fifo_size
= 160 * 1024;
1136 state
->fm_iram_size
= 64 * 1024;
1137 state
->dma_thresh_max_commq
= 31;
1138 state
->dma_thresh_max_buf
= 127;
1139 state
->qmi_max_num_of_tnums
= 64;
1140 state
->qmi_def_tnums_thresh
= 48;
1141 state
->bmi_max_num_of_tasks
= 128;
1142 state
->max_num_of_open_dmas
= 32;
1143 state
->fm_port_num_of_cg
= 256;
1144 state
->num_of_rx_ports
= 6;
1145 state
->total_fifo_size
= 136 * 1024;
1149 state
->bmi_max_fifo_size
= 160 * 1024;
1150 state
->fm_iram_size
= 64 * 1024;
1151 state
->dma_thresh_max_commq
= 31;
1152 state
->dma_thresh_max_buf
= 127;
1153 state
->qmi_max_num_of_tnums
= 64;
1154 state
->qmi_def_tnums_thresh
= 48;
1155 state
->bmi_max_num_of_tasks
= 128;
1156 state
->max_num_of_open_dmas
= 32;
1157 state
->fm_port_num_of_cg
= 256;
1158 state
->num_of_rx_ports
= 5;
1159 state
->total_fifo_size
= 100 * 1024;
1163 state
->dma_thresh_max_commq
= 83;
1164 state
->dma_thresh_max_buf
= 127;
1165 state
->qmi_max_num_of_tnums
= 64;
1166 state
->qmi_def_tnums_thresh
= 32;
1167 state
->fm_port_num_of_cg
= 256;
1170 if (minor
== 1 || minor
== 4) {
1171 state
->bmi_max_fifo_size
= 192 * 1024;
1172 state
->bmi_max_num_of_tasks
= 64;
1173 state
->max_num_of_open_dmas
= 32;
1174 state
->num_of_rx_ports
= 5;
1176 state
->fm_iram_size
= 32 * 1024;
1178 state
->fm_iram_size
= 64 * 1024;
1179 state
->total_fifo_size
= 156 * 1024;
1182 else if (minor
== 0 || minor
== 2 || minor
== 3) {
1183 state
->bmi_max_fifo_size
= 384 * 1024;
1184 state
->fm_iram_size
= 64 * 1024;
1185 state
->bmi_max_num_of_tasks
= 128;
1186 state
->max_num_of_open_dmas
= 84;
1187 state
->num_of_rx_ports
= 8;
1188 state
->total_fifo_size
= 295 * 1024;
1190 pr_err("Unsupported FManv3 version\n");
1196 pr_err("Unsupported FMan version\n");
1203 static bool is_init_done(struct fman_cfg
*cfg
)
1205 /* Checks if FMan driver parameters were initialized */
1212 static void free_init_resources(struct fman
*fman
)
1214 if (fman
->cam_offset
)
1215 fman_muram_free_mem(fman
->muram
, fman
->cam_offset
,
1217 if (fman
->fifo_offset
)
1218 fman_muram_free_mem(fman
->muram
, fman
->fifo_offset
,
1222 static irqreturn_t
bmi_err_event(struct fman
*fman
)
1224 u32 event
, mask
, force
;
1225 struct fman_bmi_regs __iomem
*bmi_rg
= fman
->bmi_regs
;
1226 irqreturn_t ret
= IRQ_NONE
;
1228 event
= ioread32be(&bmi_rg
->fmbm_ievr
);
1229 mask
= ioread32be(&bmi_rg
->fmbm_ier
);
1231 /* clear the forced events */
1232 force
= ioread32be(&bmi_rg
->fmbm_ifr
);
1234 iowrite32be(force
& ~event
, &bmi_rg
->fmbm_ifr
);
1235 /* clear the acknowledged events */
1236 iowrite32be(event
, &bmi_rg
->fmbm_ievr
);
1238 if (event
& BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC
)
1239 ret
= fman
->exception_cb(fman
, FMAN_EX_BMI_STORAGE_PROFILE_ECC
);
1240 if (event
& BMI_ERR_INTR_EN_LIST_RAM_ECC
)
1241 ret
= fman
->exception_cb(fman
, FMAN_EX_BMI_LIST_RAM_ECC
);
1242 if (event
& BMI_ERR_INTR_EN_STATISTICS_RAM_ECC
)
1243 ret
= fman
->exception_cb(fman
, FMAN_EX_BMI_STATISTICS_RAM_ECC
);
1244 if (event
& BMI_ERR_INTR_EN_DISPATCH_RAM_ECC
)
1245 ret
= fman
->exception_cb(fman
, FMAN_EX_BMI_DISPATCH_RAM_ECC
);
1250 static irqreturn_t
qmi_err_event(struct fman
*fman
)
1252 u32 event
, mask
, force
;
1253 struct fman_qmi_regs __iomem
*qmi_rg
= fman
->qmi_regs
;
1254 irqreturn_t ret
= IRQ_NONE
;
1256 event
= ioread32be(&qmi_rg
->fmqm_eie
);
1257 mask
= ioread32be(&qmi_rg
->fmqm_eien
);
1260 /* clear the forced events */
1261 force
= ioread32be(&qmi_rg
->fmqm_eif
);
1263 iowrite32be(force
& ~event
, &qmi_rg
->fmqm_eif
);
1264 /* clear the acknowledged events */
1265 iowrite32be(event
, &qmi_rg
->fmqm_eie
);
1267 if (event
& QMI_ERR_INTR_EN_DOUBLE_ECC
)
1268 ret
= fman
->exception_cb(fman
, FMAN_EX_QMI_DOUBLE_ECC
);
1269 if (event
& QMI_ERR_INTR_EN_DEQ_FROM_DEF
)
1270 ret
= fman
->exception_cb(fman
,
1271 FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID
);
1276 static irqreturn_t
dma_err_event(struct fman
*fman
)
1278 u32 status
, mask
, com_id
;
1279 u8 tnum
, port_id
, relative_port_id
;
1281 struct fman_dma_regs __iomem
*dma_rg
= fman
->dma_regs
;
1282 irqreturn_t ret
= IRQ_NONE
;
1284 status
= ioread32be(&dma_rg
->fmdmsr
);
1285 mask
= ioread32be(&dma_rg
->fmdmmr
);
1287 /* clear DMA_STATUS_BUS_ERR if mask has no DMA_MODE_BER */
1288 if ((mask
& DMA_MODE_BER
) != DMA_MODE_BER
)
1289 status
&= ~DMA_STATUS_BUS_ERR
;
1291 /* clear relevant bits if mask has no DMA_MODE_ECC */
1292 if ((mask
& DMA_MODE_ECC
) != DMA_MODE_ECC
)
1293 status
&= ~(DMA_STATUS_FM_SPDAT_ECC
|
1294 DMA_STATUS_READ_ECC
|
1295 DMA_STATUS_SYSTEM_WRITE_ECC
|
1296 DMA_STATUS_FM_WRITE_ECC
);
1298 /* clear set events */
1299 iowrite32be(status
, &dma_rg
->fmdmsr
);
1301 if (status
& DMA_STATUS_BUS_ERR
) {
1304 addr
= (u64
)ioread32be(&dma_rg
->fmdmtal
);
1305 addr
|= ((u64
)(ioread32be(&dma_rg
->fmdmtah
)) << 32);
1307 com_id
= ioread32be(&dma_rg
->fmdmtcid
);
1308 port_id
= (u8
)(((com_id
& DMA_TRANSFER_PORTID_MASK
) >>
1309 DMA_TRANSFER_PORTID_SHIFT
));
1311 hw_port_id_to_sw_port_id(fman
->state
->rev_info
.major
, port_id
);
1312 tnum
= (u8
)((com_id
& DMA_TRANSFER_TNUM_MASK
) >>
1313 DMA_TRANSFER_TNUM_SHIFT
);
1314 liodn
= (u16
)(com_id
& DMA_TRANSFER_LIODN_MASK
);
1315 ret
= fman
->bus_error_cb(fman
, relative_port_id
, addr
, tnum
,
1318 if (status
& DMA_STATUS_FM_SPDAT_ECC
)
1319 ret
= fman
->exception_cb(fman
, FMAN_EX_DMA_SINGLE_PORT_ECC
);
1320 if (status
& DMA_STATUS_READ_ECC
)
1321 ret
= fman
->exception_cb(fman
, FMAN_EX_DMA_READ_ECC
);
1322 if (status
& DMA_STATUS_SYSTEM_WRITE_ECC
)
1323 ret
= fman
->exception_cb(fman
, FMAN_EX_DMA_SYSTEM_WRITE_ECC
);
1324 if (status
& DMA_STATUS_FM_WRITE_ECC
)
1325 ret
= fman
->exception_cb(fman
, FMAN_EX_DMA_FM_WRITE_ECC
);
1330 static irqreturn_t
fpm_err_event(struct fman
*fman
)
1333 struct fman_fpm_regs __iomem
*fpm_rg
= fman
->fpm_regs
;
1334 irqreturn_t ret
= IRQ_NONE
;
1336 event
= ioread32be(&fpm_rg
->fmfp_ee
);
1337 /* clear the all occurred events */
1338 iowrite32be(event
, &fpm_rg
->fmfp_ee
);
1340 if ((event
& FPM_EV_MASK_DOUBLE_ECC
) &&
1341 (event
& FPM_EV_MASK_DOUBLE_ECC_EN
))
1342 ret
= fman
->exception_cb(fman
, FMAN_EX_FPM_DOUBLE_ECC
);
1343 if ((event
& FPM_EV_MASK_STALL
) && (event
& FPM_EV_MASK_STALL_EN
))
1344 ret
= fman
->exception_cb(fman
, FMAN_EX_FPM_STALL_ON_TASKS
);
1345 if ((event
& FPM_EV_MASK_SINGLE_ECC
) &&
1346 (event
& FPM_EV_MASK_SINGLE_ECC_EN
))
1347 ret
= fman
->exception_cb(fman
, FMAN_EX_FPM_SINGLE_ECC
);
1352 static irqreturn_t
muram_err_intr(struct fman
*fman
)
1355 struct fman_fpm_regs __iomem
*fpm_rg
= fman
->fpm_regs
;
1356 irqreturn_t ret
= IRQ_NONE
;
1358 event
= ioread32be(&fpm_rg
->fm_rcr
);
1359 mask
= ioread32be(&fpm_rg
->fm_rie
);
1361 /* clear MURAM event bit (do not clear IRAM event) */
1362 iowrite32be(event
& ~FPM_RAM_IRAM_ECC
, &fpm_rg
->fm_rcr
);
1364 if ((mask
& FPM_MURAM_ECC_ERR_EX_EN
) && (event
& FPM_RAM_MURAM_ECC
))
1365 ret
= fman
->exception_cb(fman
, FMAN_EX_MURAM_ECC
);
1370 static irqreturn_t
qmi_event(struct fman
*fman
)
1372 u32 event
, mask
, force
;
1373 struct fman_qmi_regs __iomem
*qmi_rg
= fman
->qmi_regs
;
1374 irqreturn_t ret
= IRQ_NONE
;
1376 event
= ioread32be(&qmi_rg
->fmqm_ie
);
1377 mask
= ioread32be(&qmi_rg
->fmqm_ien
);
1379 /* clear the forced events */
1380 force
= ioread32be(&qmi_rg
->fmqm_if
);
1382 iowrite32be(force
& ~event
, &qmi_rg
->fmqm_if
);
1383 /* clear the acknowledged events */
1384 iowrite32be(event
, &qmi_rg
->fmqm_ie
);
1386 if (event
& QMI_INTR_EN_SINGLE_ECC
)
1387 ret
= fman
->exception_cb(fman
, FMAN_EX_QMI_SINGLE_ECC
);
1392 static void enable_time_stamp(struct fman
*fman
)
1394 struct fman_fpm_regs __iomem
*fpm_rg
= fman
->fpm_regs
;
1395 u16 fm_clk_freq
= fman
->state
->fm_clk_freq
;
1396 u32 tmp
, intgr
, ts_freq
;
1399 ts_freq
= (u32
)(1 << fman
->state
->count1_micro_bit
);
1400 /* configure timestamp so that bit 8 will count 1 microsecond
1401 * Find effective count rate at TIMESTAMP least significant bits:
1402 * Effective_Count_Rate = 1MHz x 2^8 = 256MHz
1403 * Find frequency ratio between effective count rate and the clock:
1404 * Effective_Count_Rate / CLK e.g. for 600 MHz clock:
1405 * 256/600 = 0.4266666...
1408 intgr
= ts_freq
/ fm_clk_freq
;
1409 /* we multiply by 2^16 to keep the fraction of the division
1410 * we do not div back, since we write this value as a fraction
1414 frac
= ((ts_freq
<< 16) - (intgr
<< 16) * fm_clk_freq
) / fm_clk_freq
;
1415 /* we check remainder of the division in order to round up if not int */
1416 if (((ts_freq
<< 16) - (intgr
<< 16) * fm_clk_freq
) % fm_clk_freq
)
1419 tmp
= (intgr
<< FPM_TS_INT_SHIFT
) | (u16
)frac
;
1420 iowrite32be(tmp
, &fpm_rg
->fmfp_tsc2
);
1422 /* enable timestamp with original clock */
1423 iowrite32be(FPM_TS_CTL_EN
, &fpm_rg
->fmfp_tsc1
);
1424 fman
->state
->enabled_time_stamp
= true;
1427 static int clear_iram(struct fman
*fman
)
1429 struct fman_iram_regs __iomem
*iram
;
1432 iram
= fman
->base_addr
+ IMEM_OFFSET
;
1434 /* Enable the auto-increment */
1435 iowrite32be(IRAM_IADD_AIE
, &iram
->iadd
);
1439 } while ((ioread32be(&iram
->iadd
) != IRAM_IADD_AIE
) && --count
);
1443 for (i
= 0; i
< (fman
->state
->fm_iram_size
/ 4); i
++)
1444 iowrite32be(0xffffffff, &iram
->idata
);
1446 iowrite32be(fman
->state
->fm_iram_size
- 4, &iram
->iadd
);
1450 } while ((ioread32be(&iram
->idata
) != 0xffffffff) && --count
);
1457 static u32
get_exception_flag(enum fman_exceptions exception
)
1461 switch (exception
) {
1462 case FMAN_EX_DMA_BUS_ERROR
:
1463 bit_mask
= EX_DMA_BUS_ERROR
;
1465 case FMAN_EX_DMA_SINGLE_PORT_ECC
:
1466 bit_mask
= EX_DMA_SINGLE_PORT_ECC
;
1468 case FMAN_EX_DMA_READ_ECC
:
1469 bit_mask
= EX_DMA_READ_ECC
;
1471 case FMAN_EX_DMA_SYSTEM_WRITE_ECC
:
1472 bit_mask
= EX_DMA_SYSTEM_WRITE_ECC
;
1474 case FMAN_EX_DMA_FM_WRITE_ECC
:
1475 bit_mask
= EX_DMA_FM_WRITE_ECC
;
1477 case FMAN_EX_FPM_STALL_ON_TASKS
:
1478 bit_mask
= EX_FPM_STALL_ON_TASKS
;
1480 case FMAN_EX_FPM_SINGLE_ECC
:
1481 bit_mask
= EX_FPM_SINGLE_ECC
;
1483 case FMAN_EX_FPM_DOUBLE_ECC
:
1484 bit_mask
= EX_FPM_DOUBLE_ECC
;
1486 case FMAN_EX_QMI_SINGLE_ECC
:
1487 bit_mask
= EX_QMI_SINGLE_ECC
;
1489 case FMAN_EX_QMI_DOUBLE_ECC
:
1490 bit_mask
= EX_QMI_DOUBLE_ECC
;
1492 case FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID
:
1493 bit_mask
= EX_QMI_DEQ_FROM_UNKNOWN_PORTID
;
1495 case FMAN_EX_BMI_LIST_RAM_ECC
:
1496 bit_mask
= EX_BMI_LIST_RAM_ECC
;
1498 case FMAN_EX_BMI_STORAGE_PROFILE_ECC
:
1499 bit_mask
= EX_BMI_STORAGE_PROFILE_ECC
;
1501 case FMAN_EX_BMI_STATISTICS_RAM_ECC
:
1502 bit_mask
= EX_BMI_STATISTICS_RAM_ECC
;
1504 case FMAN_EX_BMI_DISPATCH_RAM_ECC
:
1505 bit_mask
= EX_BMI_DISPATCH_RAM_ECC
;
1507 case FMAN_EX_MURAM_ECC
:
1508 bit_mask
= EX_MURAM_ECC
;
1518 static int get_module_event(enum fman_event_modules module
, u8 mod_id
,
1519 enum fman_intr_type intr_type
)
1525 if (intr_type
== FMAN_INTR_TYPE_ERR
)
1526 event
= FMAN_EV_ERR_MAC0
+ mod_id
;
1528 event
= FMAN_EV_MAC0
+ mod_id
;
1530 case FMAN_MOD_FMAN_CTRL
:
1531 if (intr_type
== FMAN_INTR_TYPE_ERR
)
1532 event
= FMAN_EV_CNT
;
1534 event
= (FMAN_EV_FMAN_CTRL_0
+ mod_id
);
1536 case FMAN_MOD_DUMMY_LAST
:
1537 event
= FMAN_EV_CNT
;
1540 event
= FMAN_EV_CNT
;
1547 static int set_size_of_fifo(struct fman
*fman
, u8 port_id
, u32
*size_of_fifo
,
1548 u32
*extra_size_of_fifo
)
1550 struct fman_bmi_regs __iomem
*bmi_rg
= fman
->bmi_regs
;
1551 u32 fifo
= *size_of_fifo
;
1552 u32 extra_fifo
= *extra_size_of_fifo
;
1555 /* if this is the first time a port requires extra_fifo_pool_size,
1556 * the total extra_fifo_pool_size must be initialized to 1 buffer per
1559 if (extra_fifo
&& !fman
->state
->extra_fifo_pool_size
)
1560 fman
->state
->extra_fifo_pool_size
=
1561 fman
->state
->num_of_rx_ports
* FMAN_BMI_FIFO_UNITS
;
1563 fman
->state
->extra_fifo_pool_size
=
1564 max(fman
->state
->extra_fifo_pool_size
, extra_fifo
);
1566 /* check that there are enough uncommitted fifo size */
1567 if ((fman
->state
->accumulated_fifo_size
+ fifo
) >
1568 (fman
->state
->total_fifo_size
-
1569 fman
->state
->extra_fifo_pool_size
)) {
1570 dev_err(fman
->dev
, "%s: Requested fifo size and extra size exceed total FIFO size.\n",
1575 /* Read, modify and write to HW */
1576 tmp
= (fifo
/ FMAN_BMI_FIFO_UNITS
- 1) |
1577 ((extra_fifo
/ FMAN_BMI_FIFO_UNITS
) <<
1578 BMI_EXTRA_FIFO_SIZE_SHIFT
);
1579 iowrite32be(tmp
, &bmi_rg
->fmbm_pfs
[port_id
- 1]);
1581 /* update accumulated */
1582 fman
->state
->accumulated_fifo_size
+= fifo
;
1587 static int set_num_of_tasks(struct fman
*fman
, u8 port_id
, u8
*num_of_tasks
,
1588 u8
*num_of_extra_tasks
)
1590 struct fman_bmi_regs __iomem
*bmi_rg
= fman
->bmi_regs
;
1591 u8 tasks
= *num_of_tasks
;
1592 u8 extra_tasks
= *num_of_extra_tasks
;
1596 fman
->state
->extra_tasks_pool_size
=
1597 max(fman
->state
->extra_tasks_pool_size
, extra_tasks
);
1599 /* check that there are enough uncommitted tasks */
1600 if ((fman
->state
->accumulated_num_of_tasks
+ tasks
) >
1601 (fman
->state
->total_num_of_tasks
-
1602 fman
->state
->extra_tasks_pool_size
)) {
1603 dev_err(fman
->dev
, "%s: Requested num_of_tasks and extra tasks pool for fm%d exceed total num_of_tasks.\n",
1604 __func__
, fman
->state
->fm_id
);
1607 /* update accumulated */
1608 fman
->state
->accumulated_num_of_tasks
+= tasks
;
1611 tmp
= ioread32be(&bmi_rg
->fmbm_pp
[port_id
- 1]) &
1612 ~(BMI_NUM_OF_TASKS_MASK
| BMI_NUM_OF_EXTRA_TASKS_MASK
);
1613 tmp
|= ((u32
)((tasks
- 1) << BMI_NUM_OF_TASKS_SHIFT
) |
1614 (u32
)(extra_tasks
<< BMI_EXTRA_NUM_OF_TASKS_SHIFT
));
1615 iowrite32be(tmp
, &bmi_rg
->fmbm_pp
[port_id
- 1]);
1620 static int set_num_of_open_dmas(struct fman
*fman
, u8 port_id
,
1621 u8
*num_of_open_dmas
,
1622 u8
*num_of_extra_open_dmas
)
1624 struct fman_bmi_regs __iomem
*bmi_rg
= fman
->bmi_regs
;
1625 u8 open_dmas
= *num_of_open_dmas
;
1626 u8 extra_open_dmas
= *num_of_extra_open_dmas
;
1627 u8 total_num_dmas
= 0, current_val
= 0, current_extra_val
= 0;
1631 /* Configuration according to values in the HW.
1632 * read the current number of open Dma's
1634 tmp
= ioread32be(&bmi_rg
->fmbm_pp
[port_id
- 1]);
1635 current_extra_val
= (u8
)((tmp
& BMI_NUM_OF_EXTRA_DMAS_MASK
) >>
1636 BMI_EXTRA_NUM_OF_DMAS_SHIFT
);
1638 tmp
= ioread32be(&bmi_rg
->fmbm_pp
[port_id
- 1]);
1639 current_val
= (u8
)(((tmp
& BMI_NUM_OF_DMAS_MASK
) >>
1640 BMI_NUM_OF_DMAS_SHIFT
) + 1);
1642 /* This is the first configuration and user did not
1643 * specify value (!open_dmas), reset values will be used
1644 * and we just save these values for resource management
1646 fman
->state
->extra_open_dmas_pool_size
=
1647 (u8
)max(fman
->state
->extra_open_dmas_pool_size
,
1649 fman
->state
->accumulated_num_of_open_dmas
+= current_val
;
1650 *num_of_open_dmas
= current_val
;
1651 *num_of_extra_open_dmas
= current_extra_val
;
1655 if (extra_open_dmas
> current_extra_val
)
1656 fman
->state
->extra_open_dmas_pool_size
=
1657 (u8
)max(fman
->state
->extra_open_dmas_pool_size
,
1660 if ((fman
->state
->rev_info
.major
< 6) &&
1661 (fman
->state
->accumulated_num_of_open_dmas
- current_val
+
1662 open_dmas
> fman
->state
->max_num_of_open_dmas
)) {
1663 dev_err(fman
->dev
, "%s: Requested num_of_open_dmas for fm%d exceeds total num_of_open_dmas.\n",
1664 __func__
, fman
->state
->fm_id
);
1666 } else if ((fman
->state
->rev_info
.major
>= 6) &&
1667 !((fman
->state
->rev_info
.major
== 6) &&
1668 (fman
->state
->rev_info
.minor
== 0)) &&
1669 (fman
->state
->accumulated_num_of_open_dmas
-
1670 current_val
+ open_dmas
>
1671 fman
->state
->dma_thresh_max_commq
+ 1)) {
1672 dev_err(fman
->dev
, "%s: Requested num_of_open_dmas for fm%d exceeds DMA Command queue (%d)\n",
1673 __func__
, fman
->state
->fm_id
,
1674 fman
->state
->dma_thresh_max_commq
+ 1);
1678 WARN_ON(fman
->state
->accumulated_num_of_open_dmas
< current_val
);
1679 /* update acummulated */
1680 fman
->state
->accumulated_num_of_open_dmas
-= current_val
;
1681 fman
->state
->accumulated_num_of_open_dmas
+= open_dmas
;
1683 if (fman
->state
->rev_info
.major
< 6)
1685 (u8
)(fman
->state
->accumulated_num_of_open_dmas
+
1686 fman
->state
->extra_open_dmas_pool_size
);
1689 tmp
= ioread32be(&bmi_rg
->fmbm_pp
[port_id
- 1]) &
1690 ~(BMI_NUM_OF_DMAS_MASK
| BMI_NUM_OF_EXTRA_DMAS_MASK
);
1691 tmp
|= (u32
)(((open_dmas
- 1) << BMI_NUM_OF_DMAS_SHIFT
) |
1692 (extra_open_dmas
<< BMI_EXTRA_NUM_OF_DMAS_SHIFT
));
1693 iowrite32be(tmp
, &bmi_rg
->fmbm_pp
[port_id
- 1]);
1695 /* update total num of DMA's with committed number of open DMAS,
1696 * and max uncommitted pool.
1698 if (total_num_dmas
) {
1699 tmp
= ioread32be(&bmi_rg
->fmbm_cfg2
) & ~BMI_CFG2_DMAS_MASK
;
1700 tmp
|= (u32
)(total_num_dmas
- 1) << BMI_CFG2_DMAS_SHIFT
;
1701 iowrite32be(tmp
, &bmi_rg
->fmbm_cfg2
);
1707 static int fman_config(struct fman
*fman
)
1709 void __iomem
*base_addr
;
1712 base_addr
= fman
->dts_params
.base_addr
;
1714 fman
->state
= kzalloc(sizeof(*fman
->state
), GFP_KERNEL
);
1718 /* Allocate the FM driver's parameters structure */
1719 fman
->cfg
= kzalloc(sizeof(*fman
->cfg
), GFP_KERNEL
);
1723 /* Initialize MURAM block */
1725 fman_muram_init(fman
->dts_params
.muram_res
.start
,
1726 resource_size(&fman
->dts_params
.muram_res
));
1728 goto err_fm_soc_specific
;
1730 /* Initialize FM parameters which will be kept by the driver */
1731 fman
->state
->fm_id
= fman
->dts_params
.id
;
1732 fman
->state
->fm_clk_freq
= fman
->dts_params
.clk_freq
;
1733 fman
->state
->qman_channel_base
= fman
->dts_params
.qman_channel_base
;
1734 fman
->state
->num_of_qman_channels
=
1735 fman
->dts_params
.num_of_qman_channels
;
1736 fman
->state
->res
= fman
->dts_params
.res
;
1737 fman
->exception_cb
= fman_exceptions
;
1738 fman
->bus_error_cb
= fman_bus_error
;
1739 fman
->fpm_regs
= base_addr
+ FPM_OFFSET
;
1740 fman
->bmi_regs
= base_addr
+ BMI_OFFSET
;
1741 fman
->qmi_regs
= base_addr
+ QMI_OFFSET
;
1742 fman
->dma_regs
= base_addr
+ DMA_OFFSET
;
1743 fman
->hwp_regs
= base_addr
+ HWP_OFFSET
;
1744 fman
->kg_regs
= base_addr
+ KG_OFFSET
;
1745 fman
->base_addr
= base_addr
;
1747 spin_lock_init(&fman
->spinlock
);
1748 fman_defconfig(fman
->cfg
);
1750 fman
->state
->extra_fifo_pool_size
= 0;
1751 fman
->state
->exceptions
= (EX_DMA_BUS_ERROR
|
1753 EX_DMA_SYSTEM_WRITE_ECC
|
1754 EX_DMA_FM_WRITE_ECC
|
1755 EX_FPM_STALL_ON_TASKS
|
1758 EX_QMI_DEQ_FROM_UNKNOWN_PORTID
|
1759 EX_BMI_LIST_RAM_ECC
|
1760 EX_BMI_STORAGE_PROFILE_ECC
|
1761 EX_BMI_STATISTICS_RAM_ECC
|
1763 EX_BMI_DISPATCH_RAM_ECC
|
1767 /* Read FMan revision for future use*/
1768 fman_get_revision(fman
, &fman
->state
->rev_info
);
1770 err
= fill_soc_specific_params(fman
->state
);
1772 goto err_fm_soc_specific
;
1774 /* FM_AID_MODE_NO_TNUM_SW005 Errata workaround */
1775 if (fman
->state
->rev_info
.major
>= 6)
1776 fman
->cfg
->dma_aid_mode
= FMAN_DMA_AID_OUT_PORT_ID
;
1778 fman
->cfg
->qmi_def_tnums_thresh
= fman
->state
->qmi_def_tnums_thresh
;
1780 fman
->state
->total_num_of_tasks
=
1781 (u8
)DFLT_TOTAL_NUM_OF_TASKS(fman
->state
->rev_info
.major
,
1782 fman
->state
->rev_info
.minor
,
1783 fman
->state
->bmi_max_num_of_tasks
);
1785 if (fman
->state
->rev_info
.major
< 6) {
1786 fman
->cfg
->dma_comm_qtsh_clr_emer
=
1787 (u8
)DFLT_DMA_COMM_Q_LOW(fman
->state
->rev_info
.major
,
1788 fman
->state
->dma_thresh_max_commq
);
1790 fman
->cfg
->dma_comm_qtsh_asrt_emer
=
1791 (u8
)DFLT_DMA_COMM_Q_HIGH(fman
->state
->rev_info
.major
,
1792 fman
->state
->dma_thresh_max_commq
);
1794 fman
->cfg
->dma_cam_num_of_entries
=
1795 DFLT_DMA_CAM_NUM_OF_ENTRIES(fman
->state
->rev_info
.major
);
1797 fman
->cfg
->dma_read_buf_tsh_clr_emer
=
1798 DFLT_DMA_READ_INT_BUF_LOW(fman
->state
->dma_thresh_max_buf
);
1800 fman
->cfg
->dma_read_buf_tsh_asrt_emer
=
1801 DFLT_DMA_READ_INT_BUF_HIGH(fman
->state
->dma_thresh_max_buf
);
1803 fman
->cfg
->dma_write_buf_tsh_clr_emer
=
1804 DFLT_DMA_WRITE_INT_BUF_LOW(fman
->state
->dma_thresh_max_buf
);
1806 fman
->cfg
->dma_write_buf_tsh_asrt_emer
=
1807 DFLT_DMA_WRITE_INT_BUF_HIGH(fman
->state
->dma_thresh_max_buf
);
1809 fman
->cfg
->dma_axi_dbg_num_of_beats
=
1810 DFLT_AXI_DBG_NUM_OF_BEATS
;
1815 err_fm_soc_specific
:
1824 static int fman_reset(struct fman
*fman
)
1829 if (fman
->state
->rev_info
.major
< 6) {
1830 iowrite32be(FPM_RSTC_FM_RESET
, &fman
->fpm_regs
->fm_rstc
);
1831 /* Wait for reset completion */
1835 } while (((ioread32be(&fman
->fpm_regs
->fm_rstc
)) &
1836 FPM_RSTC_FM_RESET
) && --count
);
1843 struct device_node
*guts_node
;
1844 struct ccsr_guts __iomem
*guts_regs
;
1847 /* Errata A007273 */
1849 of_find_compatible_node(NULL
, NULL
,
1850 "fsl,qoriq-device-config-2.0");
1852 dev_err(fman
->dev
, "%s: Couldn't find guts node\n",
1857 guts_regs
= of_iomap(guts_node
, 0);
1859 dev_err(fman
->dev
, "%s: Couldn't map %pOF regs\n",
1860 __func__
, guts_node
);
1863 #define FMAN1_ALL_MACS_MASK 0xFCC00000
1864 #define FMAN2_ALL_MACS_MASK 0x000FCC00
1865 /* Read current state */
1866 devdisr2
= ioread32be(&guts_regs
->devdisr2
);
1867 if (fman
->dts_params
.id
== 0)
1868 reg
= devdisr2
& ~FMAN1_ALL_MACS_MASK
;
1870 reg
= devdisr2
& ~FMAN2_ALL_MACS_MASK
;
1872 /* Enable all MACs */
1873 iowrite32be(reg
, &guts_regs
->devdisr2
);
1876 /* Perform FMan reset */
1877 iowrite32be(FPM_RSTC_FM_RESET
, &fman
->fpm_regs
->fm_rstc
);
1879 /* Wait for reset completion */
1883 } while (((ioread32be(&fman
->fpm_regs
->fm_rstc
)) &
1884 FPM_RSTC_FM_RESET
) && --count
);
1888 of_node_put(guts_node
);
1895 /* Restore devdisr2 value */
1896 iowrite32be(devdisr2
, &guts_regs
->devdisr2
);
1899 of_node_put(guts_node
);
1906 of_node_put(guts_node
);
1908 dev_dbg(fman
->dev
, "%s: Didn't perform FManV3 reset due to Errata A007273!\n",
1916 static int fman_init(struct fman
*fman
)
1918 struct fman_cfg
*cfg
= NULL
;
1919 int err
= 0, i
, count
;
1921 if (is_init_done(fman
->cfg
))
1924 fman
->state
->count1_micro_bit
= FM_TIMESTAMP_1_USEC_BIT
;
1928 /* clear revision-dependent non existing exception */
1929 if (fman
->state
->rev_info
.major
< 6)
1930 fman
->state
->exceptions
&= ~FMAN_EX_BMI_DISPATCH_RAM_ECC
;
1932 if (fman
->state
->rev_info
.major
>= 6)
1933 fman
->state
->exceptions
&= ~FMAN_EX_QMI_SINGLE_ECC
;
1936 memset_io((void __iomem
*)(fman
->base_addr
+ CGP_OFFSET
), 0,
1937 fman
->state
->fm_port_num_of_cg
);
1939 /* Save LIODN info before FMan reset
1940 * Skipping non-existent port 0 (i = 1)
1942 for (i
= 1; i
< FMAN_LIODN_TBL
; i
++) {
1945 fman
->liodn_offset
[i
] =
1946 ioread32be(&fman
->bmi_regs
->fmbm_spliodn
[i
- 1]);
1947 if (!IS_ENABLED(CONFIG_FSL_PAMU
))
1949 liodn_base
= ioread32be(&fman
->dma_regs
->fmdmplr
[i
/ 2]);
1951 /* FMDM_PLR LSB holds LIODN base for odd ports */
1952 liodn_base
&= DMA_LIODN_BASE_MASK
;
1954 /* FMDM_PLR MSB holds LIODN base for even ports */
1955 liodn_base
>>= DMA_LIODN_SHIFT
;
1956 liodn_base
&= DMA_LIODN_BASE_MASK
;
1958 fman
->liodn_base
[i
] = liodn_base
;
1961 err
= fman_reset(fman
);
1965 if (ioread32be(&fman
->qmi_regs
->fmqm_gs
) & QMI_GS_HALT_NOT_BUSY
) {
1966 resume(fman
->fpm_regs
);
1967 /* Wait until QMI is not in halt not busy state */
1971 } while (((ioread32be(&fman
->qmi_regs
->fmqm_gs
)) &
1972 QMI_GS_HALT_NOT_BUSY
) && --count
);
1974 dev_warn(fman
->dev
, "%s: QMI is in halt not busy state\n",
1978 if (clear_iram(fman
) != 0)
1981 cfg
->exceptions
= fman
->state
->exceptions
;
1983 /* Init DMA Registers */
1985 err
= dma_init(fman
);
1987 free_init_resources(fman
);
1991 /* Init FPM Registers */
1992 fpm_init(fman
->fpm_regs
, fman
->cfg
);
1994 /* define common resources */
1995 /* allocate MURAM for FIFO according to total size */
1996 fman
->fifo_offset
= fman_muram_alloc(fman
->muram
,
1997 fman
->state
->total_fifo_size
);
1998 if (IS_ERR_VALUE(fman
->fifo_offset
)) {
1999 free_init_resources(fman
);
2000 dev_err(fman
->dev
, "%s: MURAM alloc for BMI FIFO failed\n",
2005 cfg
->fifo_base_addr
= fman
->fifo_offset
;
2006 cfg
->total_fifo_size
= fman
->state
->total_fifo_size
;
2007 cfg
->total_num_of_tasks
= fman
->state
->total_num_of_tasks
;
2008 cfg
->clk_freq
= fman
->state
->fm_clk_freq
;
2010 /* Init BMI Registers */
2011 bmi_init(fman
->bmi_regs
, fman
->cfg
);
2013 /* Init QMI Registers */
2014 qmi_init(fman
->qmi_regs
, fman
->cfg
);
2016 /* Init HW Parser */
2017 hwp_init(fman
->hwp_regs
);
2020 fman
->keygen
= keygen_init(fman
->kg_regs
);
2024 err
= enable(fman
, cfg
);
2028 enable_time_stamp(fman
);
2036 static int fman_set_exception(struct fman
*fman
,
2037 enum fman_exceptions exception
, bool enable
)
2041 if (!is_init_done(fman
->cfg
))
2044 bit_mask
= get_exception_flag(exception
);
2047 fman
->state
->exceptions
|= bit_mask
;
2049 fman
->state
->exceptions
&= ~bit_mask
;
2051 dev_err(fman
->dev
, "%s: Undefined exception (%d)\n",
2052 __func__
, exception
);
2056 return set_exception(fman
, exception
, enable
);
2060 * fman_register_intr
2061 * @fman: A Pointer to FMan device
2062 * @mod: Calling module
2063 * @mod_id: Module id (if more than 1 exists, '0' if not)
2064 * @intr_type: Interrupt type (error/normal) selection.
2065 * @f_isr: The interrupt service routine.
2066 * @h_src_arg: Argument to be passed to f_isr.
2068 * Used to register an event handler to be processed by FMan
2070 * Return: 0 on success; Error code otherwise.
2072 void fman_register_intr(struct fman
*fman
, enum fman_event_modules module
,
2073 u8 mod_id
, enum fman_intr_type intr_type
,
2074 void (*isr_cb
)(void *src_arg
), void *src_arg
)
2078 event
= get_module_event(module
, mod_id
, intr_type
);
2079 WARN_ON(event
>= FMAN_EV_CNT
);
2081 /* register in local FM structure */
2082 fman
->intr_mng
[event
].isr_cb
= isr_cb
;
2083 fman
->intr_mng
[event
].src_handle
= src_arg
;
2085 EXPORT_SYMBOL(fman_register_intr
);
2088 * fman_unregister_intr
2089 * @fman: A Pointer to FMan device
2090 * @mod: Calling module
2091 * @mod_id: Module id (if more than 1 exists, '0' if not)
2092 * @intr_type: Interrupt type (error/normal) selection.
2094 * Used to unregister an event handler to be processed by FMan
2096 * Return: 0 on success; Error code otherwise.
2098 void fman_unregister_intr(struct fman
*fman
, enum fman_event_modules module
,
2099 u8 mod_id
, enum fman_intr_type intr_type
)
2103 event
= get_module_event(module
, mod_id
, intr_type
);
2104 WARN_ON(event
>= FMAN_EV_CNT
);
2106 fman
->intr_mng
[event
].isr_cb
= NULL
;
2107 fman
->intr_mng
[event
].src_handle
= NULL
;
2109 EXPORT_SYMBOL(fman_unregister_intr
);
2112 * fman_set_port_params
2113 * @fman: A Pointer to FMan device
2114 * @port_params: Port parameters
2116 * Used by FMan Port to pass parameters to the FMan
2118 * Return: 0 on success; Error code otherwise.
2120 int fman_set_port_params(struct fman
*fman
,
2121 struct fman_port_init_params
*port_params
)
2124 unsigned long flags
;
2125 u8 port_id
= port_params
->port_id
, mac_id
;
2127 spin_lock_irqsave(&fman
->spinlock
, flags
);
2129 err
= set_num_of_tasks(fman
, port_params
->port_id
,
2130 &port_params
->num_of_tasks
,
2131 &port_params
->num_of_extra_tasks
);
2136 if (port_params
->port_type
!= FMAN_PORT_TYPE_RX
) {
2137 u32 enq_th
, deq_th
, reg
;
2139 /* update qmi ENQ/DEQ threshold */
2140 fman
->state
->accumulated_num_of_deq_tnums
+=
2141 port_params
->deq_pipeline_depth
;
2142 enq_th
= (ioread32be(&fman
->qmi_regs
->fmqm_gc
) &
2143 QMI_CFG_ENQ_MASK
) >> QMI_CFG_ENQ_SHIFT
;
2144 /* if enq_th is too big, we reduce it to the max value
2147 if (enq_th
>= (fman
->state
->qmi_max_num_of_tnums
-
2148 fman
->state
->accumulated_num_of_deq_tnums
)) {
2150 fman
->state
->qmi_max_num_of_tnums
-
2151 fman
->state
->accumulated_num_of_deq_tnums
- 1;
2153 reg
= ioread32be(&fman
->qmi_regs
->fmqm_gc
);
2154 reg
&= ~QMI_CFG_ENQ_MASK
;
2155 reg
|= (enq_th
<< QMI_CFG_ENQ_SHIFT
);
2156 iowrite32be(reg
, &fman
->qmi_regs
->fmqm_gc
);
2159 deq_th
= ioread32be(&fman
->qmi_regs
->fmqm_gc
) &
2161 /* if deq_th is too small, we enlarge it to the min
2162 * value that is still 0.
2163 * depTh may not be larger than 63
2164 * (fman->state->qmi_max_num_of_tnums-1).
2166 if ((deq_th
<= fman
->state
->accumulated_num_of_deq_tnums
) &&
2167 (deq_th
< fman
->state
->qmi_max_num_of_tnums
- 1)) {
2168 deq_th
= fman
->state
->accumulated_num_of_deq_tnums
+ 1;
2169 reg
= ioread32be(&fman
->qmi_regs
->fmqm_gc
);
2170 reg
&= ~QMI_CFG_DEQ_MASK
;
2172 iowrite32be(reg
, &fman
->qmi_regs
->fmqm_gc
);
2176 err
= set_size_of_fifo(fman
, port_params
->port_id
,
2177 &port_params
->size_of_fifo
,
2178 &port_params
->extra_size_of_fifo
);
2182 err
= set_num_of_open_dmas(fman
, port_params
->port_id
,
2183 &port_params
->num_of_open_dmas
,
2184 &port_params
->num_of_extra_open_dmas
);
2188 set_port_liodn(fman
, port_id
, fman
->liodn_base
[port_id
],
2189 fman
->liodn_offset
[port_id
]);
2191 if (fman
->state
->rev_info
.major
< 6)
2192 set_port_order_restoration(fman
->fpm_regs
, port_id
);
2194 mac_id
= hw_port_id_to_sw_port_id(fman
->state
->rev_info
.major
, port_id
);
2196 if (port_params
->max_frame_length
>= fman
->state
->mac_mfl
[mac_id
]) {
2197 fman
->state
->port_mfl
[mac_id
] = port_params
->max_frame_length
;
2199 dev_warn(fman
->dev
, "%s: Port (%d) max_frame_length is smaller than MAC (%d) current MTU\n",
2200 __func__
, port_id
, mac_id
);
2205 spin_unlock_irqrestore(&fman
->spinlock
, flags
);
2210 spin_unlock_irqrestore(&fman
->spinlock
, flags
);
2213 EXPORT_SYMBOL(fman_set_port_params
);
2217 * @fman: A Pointer to FMan device
2218 * @mac_id: MAC id to be reset
2220 * Reset a specific MAC
2222 * Return: 0 on success; Error code otherwise.
2224 int fman_reset_mac(struct fman
*fman
, u8 mac_id
)
2226 struct fman_fpm_regs __iomem
*fpm_rg
= fman
->fpm_regs
;
2227 u32 msk
, timeout
= 100;
2229 if (fman
->state
->rev_info
.major
>= 6) {
2230 dev_err(fman
->dev
, "%s: FMan MAC reset no available for FMan V3!\n",
2235 /* Get the relevant bit mask */
2238 msk
= FPM_RSTC_MAC0_RESET
;
2241 msk
= FPM_RSTC_MAC1_RESET
;
2244 msk
= FPM_RSTC_MAC2_RESET
;
2247 msk
= FPM_RSTC_MAC3_RESET
;
2250 msk
= FPM_RSTC_MAC4_RESET
;
2253 msk
= FPM_RSTC_MAC5_RESET
;
2256 msk
= FPM_RSTC_MAC6_RESET
;
2259 msk
= FPM_RSTC_MAC7_RESET
;
2262 msk
= FPM_RSTC_MAC8_RESET
;
2265 msk
= FPM_RSTC_MAC9_RESET
;
2268 dev_warn(fman
->dev
, "%s: Illegal MAC Id [%d]\n",
2274 iowrite32be(msk
, &fpm_rg
->fm_rstc
);
2275 while ((ioread32be(&fpm_rg
->fm_rstc
) & msk
) && --timeout
)
2283 EXPORT_SYMBOL(fman_reset_mac
);
2286 * fman_set_mac_max_frame
2287 * @fman: A Pointer to FMan device
2289 * @mfl: Maximum frame length
2291 * Set maximum frame length of specific MAC in FMan driver
2293 * Return: 0 on success; Error code otherwise.
2295 int fman_set_mac_max_frame(struct fman
*fman
, u8 mac_id
, u16 mfl
)
2297 /* if port is already initialized, check that MaxFrameLength is smaller
2298 * or equal to the port's max
2300 if ((!fman
->state
->port_mfl
[mac_id
]) ||
2301 (mfl
<= fman
->state
->port_mfl
[mac_id
])) {
2302 fman
->state
->mac_mfl
[mac_id
] = mfl
;
2304 dev_warn(fman
->dev
, "%s: MAC max_frame_length is larger than Port max_frame_length\n",
2310 EXPORT_SYMBOL(fman_set_mac_max_frame
);
2313 * fman_get_clock_freq
2314 * @fman: A Pointer to FMan device
2316 * Get FMan clock frequency
2318 * Return: FMan clock frequency
2320 u16
fman_get_clock_freq(struct fman
*fman
)
2322 return fman
->state
->fm_clk_freq
;
2326 * fman_get_bmi_max_fifo_size
2327 * @fman: A Pointer to FMan device
2329 * Get FMan maximum FIFO size
2331 * Return: FMan Maximum FIFO size
2333 u32
fman_get_bmi_max_fifo_size(struct fman
*fman
)
2335 return fman
->state
->bmi_max_fifo_size
;
2337 EXPORT_SYMBOL(fman_get_bmi_max_fifo_size
);
2341 * @fman - Pointer to the FMan module
2342 * @rev_info - A structure of revision information parameters.
2344 * Returns the FM revision
2346 * Allowed only following fman_init().
2348 * Return: 0 on success; Error code otherwise.
2350 void fman_get_revision(struct fman
*fman
, struct fman_rev_info
*rev_info
)
2354 tmp
= ioread32be(&fman
->fpm_regs
->fm_ip_rev_1
);
2355 rev_info
->major
= (u8
)((tmp
& FPM_REV1_MAJOR_MASK
) >>
2356 FPM_REV1_MAJOR_SHIFT
);
2357 rev_info
->minor
= tmp
& FPM_REV1_MINOR_MASK
;
2359 EXPORT_SYMBOL(fman_get_revision
);
2362 * fman_get_qman_channel_id
2363 * @fman: A Pointer to FMan device
2366 * Get QMan channel ID associated to the Port id
2368 * Return: QMan channel ID
2370 u32
fman_get_qman_channel_id(struct fman
*fman
, u32 port_id
)
2374 if (fman
->state
->rev_info
.major
>= 6) {
2375 static const u32 port_ids
[] = {
2376 0x30, 0x31, 0x28, 0x29, 0x2a, 0x2b,
2377 0x2c, 0x2d, 0x2, 0x3, 0x4, 0x5, 0x7, 0x7
2380 for (i
= 0; i
< fman
->state
->num_of_qman_channels
; i
++) {
2381 if (port_ids
[i
] == port_id
)
2385 static const u32 port_ids
[] = {
2386 0x30, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x1,
2387 0x2, 0x3, 0x4, 0x5, 0x7, 0x7
2390 for (i
= 0; i
< fman
->state
->num_of_qman_channels
; i
++) {
2391 if (port_ids
[i
] == port_id
)
2396 if (i
== fman
->state
->num_of_qman_channels
)
2399 return fman
->state
->qman_channel_base
+ i
;
2401 EXPORT_SYMBOL(fman_get_qman_channel_id
);
2404 * fman_get_mem_region
2405 * @fman: A Pointer to FMan device
2407 * Get FMan memory region
2409 * Return: A structure with FMan memory region information
2411 struct resource
*fman_get_mem_region(struct fman
*fman
)
2413 return fman
->state
->res
;
2415 EXPORT_SYMBOL(fman_get_mem_region
);
2417 /* Bootargs defines */
2418 /* Extra headroom for RX buffers - Default, min and max */
2419 #define FSL_FM_RX_EXTRA_HEADROOM 64
2420 #define FSL_FM_RX_EXTRA_HEADROOM_MIN 16
2421 #define FSL_FM_RX_EXTRA_HEADROOM_MAX 384
2423 /* Maximum frame length */
2424 #define FSL_FM_MAX_FRAME_SIZE 1522
2425 #define FSL_FM_MAX_POSSIBLE_FRAME_SIZE 9600
2426 #define FSL_FM_MIN_POSSIBLE_FRAME_SIZE 64
2428 /* Extra headroom for Rx buffers.
2429 * FMan is instructed to allocate, on the Rx path, this amount of
2430 * space at the beginning of a data buffer, beside the DPA private
2431 * data area and the IC fields.
2432 * Does not impact Tx buffer layout.
2433 * Configurable from bootargs. 64 by default, it's needed on
2434 * particular forwarding scenarios that add extra headers to the
2437 static int fsl_fm_rx_extra_headroom
= FSL_FM_RX_EXTRA_HEADROOM
;
2438 module_param(fsl_fm_rx_extra_headroom
, int, 0);
2439 MODULE_PARM_DESC(fsl_fm_rx_extra_headroom
, "Extra headroom for Rx buffers");
2441 /* Max frame size, across all interfaces.
2442 * Configurable from bootargs, to avoid allocating oversized (socket)
2443 * buffers when not using jumbo frames.
2444 * Must be large enough to accommodate the network MTU, but small enough
2445 * to avoid wasting skb memory.
2447 static int fsl_fm_max_frm
= FSL_FM_MAX_FRAME_SIZE
;
2448 module_param(fsl_fm_max_frm
, int, 0);
2449 MODULE_PARM_DESC(fsl_fm_max_frm
, "Maximum frame size, across all interfaces");
2454 * Return: Max frame length configured in the FM driver
2456 u16
fman_get_max_frm(void)
2458 static bool fm_check_mfl
;
2460 if (!fm_check_mfl
) {
2461 if (fsl_fm_max_frm
> FSL_FM_MAX_POSSIBLE_FRAME_SIZE
||
2462 fsl_fm_max_frm
< FSL_FM_MIN_POSSIBLE_FRAME_SIZE
) {
2463 pr_warn("Invalid fsl_fm_max_frm value (%d) in bootargs, valid range is %d-%d. Falling back to the default (%d)\n",
2465 FSL_FM_MIN_POSSIBLE_FRAME_SIZE
,
2466 FSL_FM_MAX_POSSIBLE_FRAME_SIZE
,
2467 FSL_FM_MAX_FRAME_SIZE
);
2468 fsl_fm_max_frm
= FSL_FM_MAX_FRAME_SIZE
;
2470 fm_check_mfl
= true;
2473 return fsl_fm_max_frm
;
2475 EXPORT_SYMBOL(fman_get_max_frm
);
2478 * fman_get_rx_extra_headroom
2480 * Return: Extra headroom size configured in the FM driver
2482 int fman_get_rx_extra_headroom(void)
2484 static bool fm_check_rx_extra_headroom
;
2486 if (!fm_check_rx_extra_headroom
) {
2487 if (fsl_fm_rx_extra_headroom
> FSL_FM_RX_EXTRA_HEADROOM_MAX
||
2488 fsl_fm_rx_extra_headroom
< FSL_FM_RX_EXTRA_HEADROOM_MIN
) {
2489 pr_warn("Invalid fsl_fm_rx_extra_headroom value (%d) in bootargs, valid range is %d-%d. Falling back to the default (%d)\n",
2490 fsl_fm_rx_extra_headroom
,
2491 FSL_FM_RX_EXTRA_HEADROOM_MIN
,
2492 FSL_FM_RX_EXTRA_HEADROOM_MAX
,
2493 FSL_FM_RX_EXTRA_HEADROOM
);
2494 fsl_fm_rx_extra_headroom
= FSL_FM_RX_EXTRA_HEADROOM
;
2497 fm_check_rx_extra_headroom
= true;
2498 fsl_fm_rx_extra_headroom
= ALIGN(fsl_fm_rx_extra_headroom
, 16);
2501 return fsl_fm_rx_extra_headroom
;
2503 EXPORT_SYMBOL(fman_get_rx_extra_headroom
);
2507 * @dev: FMan OF device pointer
2509 * Bind to a specific FMan device.
2511 * Allowed only after the port was created.
2513 * Return: A pointer to the FMan device
2515 struct fman
*fman_bind(struct device
*fm_dev
)
2517 return (struct fman
*)(dev_get_drvdata(get_device(fm_dev
)));
2519 EXPORT_SYMBOL(fman_bind
);
2521 static irqreturn_t
fman_err_irq(int irq
, void *handle
)
2523 struct fman
*fman
= (struct fman
*)handle
;
2525 struct fman_fpm_regs __iomem
*fpm_rg
;
2526 irqreturn_t single_ret
, ret
= IRQ_NONE
;
2528 if (!is_init_done(fman
->cfg
))
2531 fpm_rg
= fman
->fpm_regs
;
2533 /* error interrupts */
2534 pending
= ioread32be(&fpm_rg
->fm_epi
);
2538 if (pending
& ERR_INTR_EN_BMI
) {
2539 single_ret
= bmi_err_event(fman
);
2540 if (single_ret
== IRQ_HANDLED
)
2543 if (pending
& ERR_INTR_EN_QMI
) {
2544 single_ret
= qmi_err_event(fman
);
2545 if (single_ret
== IRQ_HANDLED
)
2548 if (pending
& ERR_INTR_EN_FPM
) {
2549 single_ret
= fpm_err_event(fman
);
2550 if (single_ret
== IRQ_HANDLED
)
2553 if (pending
& ERR_INTR_EN_DMA
) {
2554 single_ret
= dma_err_event(fman
);
2555 if (single_ret
== IRQ_HANDLED
)
2558 if (pending
& ERR_INTR_EN_MURAM
) {
2559 single_ret
= muram_err_intr(fman
);
2560 if (single_ret
== IRQ_HANDLED
)
2564 /* MAC error interrupts */
2565 if (pending
& ERR_INTR_EN_MAC0
) {
2566 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 0);
2567 if (single_ret
== IRQ_HANDLED
)
2570 if (pending
& ERR_INTR_EN_MAC1
) {
2571 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 1);
2572 if (single_ret
== IRQ_HANDLED
)
2575 if (pending
& ERR_INTR_EN_MAC2
) {
2576 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 2);
2577 if (single_ret
== IRQ_HANDLED
)
2580 if (pending
& ERR_INTR_EN_MAC3
) {
2581 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 3);
2582 if (single_ret
== IRQ_HANDLED
)
2585 if (pending
& ERR_INTR_EN_MAC4
) {
2586 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 4);
2587 if (single_ret
== IRQ_HANDLED
)
2590 if (pending
& ERR_INTR_EN_MAC5
) {
2591 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 5);
2592 if (single_ret
== IRQ_HANDLED
)
2595 if (pending
& ERR_INTR_EN_MAC6
) {
2596 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 6);
2597 if (single_ret
== IRQ_HANDLED
)
2600 if (pending
& ERR_INTR_EN_MAC7
) {
2601 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 7);
2602 if (single_ret
== IRQ_HANDLED
)
2605 if (pending
& ERR_INTR_EN_MAC8
) {
2606 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 8);
2607 if (single_ret
== IRQ_HANDLED
)
2610 if (pending
& ERR_INTR_EN_MAC9
) {
2611 single_ret
= call_mac_isr(fman
, FMAN_EV_ERR_MAC0
+ 9);
2612 if (single_ret
== IRQ_HANDLED
)
2619 static irqreturn_t
fman_irq(int irq
, void *handle
)
2621 struct fman
*fman
= (struct fman
*)handle
;
2623 struct fman_fpm_regs __iomem
*fpm_rg
;
2624 irqreturn_t single_ret
, ret
= IRQ_NONE
;
2626 if (!is_init_done(fman
->cfg
))
2629 fpm_rg
= fman
->fpm_regs
;
2631 /* normal interrupts */
2632 pending
= ioread32be(&fpm_rg
->fm_npi
);
2636 if (pending
& INTR_EN_QMI
) {
2637 single_ret
= qmi_event(fman
);
2638 if (single_ret
== IRQ_HANDLED
)
2642 /* MAC interrupts */
2643 if (pending
& INTR_EN_MAC0
) {
2644 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 0);
2645 if (single_ret
== IRQ_HANDLED
)
2648 if (pending
& INTR_EN_MAC1
) {
2649 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 1);
2650 if (single_ret
== IRQ_HANDLED
)
2653 if (pending
& INTR_EN_MAC2
) {
2654 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 2);
2655 if (single_ret
== IRQ_HANDLED
)
2658 if (pending
& INTR_EN_MAC3
) {
2659 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 3);
2660 if (single_ret
== IRQ_HANDLED
)
2663 if (pending
& INTR_EN_MAC4
) {
2664 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 4);
2665 if (single_ret
== IRQ_HANDLED
)
2668 if (pending
& INTR_EN_MAC5
) {
2669 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 5);
2670 if (single_ret
== IRQ_HANDLED
)
2673 if (pending
& INTR_EN_MAC6
) {
2674 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 6);
2675 if (single_ret
== IRQ_HANDLED
)
2678 if (pending
& INTR_EN_MAC7
) {
2679 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 7);
2680 if (single_ret
== IRQ_HANDLED
)
2683 if (pending
& INTR_EN_MAC8
) {
2684 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 8);
2685 if (single_ret
== IRQ_HANDLED
)
2688 if (pending
& INTR_EN_MAC9
) {
2689 single_ret
= call_mac_isr(fman
, FMAN_EV_MAC0
+ 9);
2690 if (single_ret
== IRQ_HANDLED
)
2697 static const struct of_device_id fman_muram_match
[] = {
2699 .compatible
= "fsl,fman-muram"},
2702 MODULE_DEVICE_TABLE(of
, fman_muram_match
);
2704 static struct fman
*read_dts_node(struct platform_device
*of_dev
)
2707 struct device_node
*fm_node
, *muram_node
;
2708 struct resource
*res
;
2713 phys_addr_t phys_base_addr
;
2714 resource_size_t mem_size
;
2716 fman
= kzalloc(sizeof(*fman
), GFP_KERNEL
);
2720 fm_node
= of_node_get(of_dev
->dev
.of_node
);
2722 err
= of_property_read_u32(fm_node
, "cell-index", &val
);
2724 dev_err(&of_dev
->dev
, "%s: failed to read cell-index for %pOF\n",
2728 fman
->dts_params
.id
= (u8
)val
;
2730 /* Get the FM interrupt */
2731 res
= platform_get_resource(of_dev
, IORESOURCE_IRQ
, 0);
2733 dev_err(&of_dev
->dev
, "%s: Can't get FMan IRQ resource\n",
2739 /* Get the FM error interrupt */
2740 res
= platform_get_resource(of_dev
, IORESOURCE_IRQ
, 1);
2742 dev_err(&of_dev
->dev
, "%s: Can't get FMan Error IRQ resource\n",
2746 fman
->dts_params
.err_irq
= res
->start
;
2748 /* Get the FM address */
2749 res
= platform_get_resource(of_dev
, IORESOURCE_MEM
, 0);
2751 dev_err(&of_dev
->dev
, "%s: Can't get FMan memory resource\n",
2756 phys_base_addr
= res
->start
;
2757 mem_size
= resource_size(res
);
2759 clk
= of_clk_get(fm_node
, 0);
2761 dev_err(&of_dev
->dev
, "%s: Failed to get FM%d clock structure\n",
2762 __func__
, fman
->dts_params
.id
);
2766 clk_rate
= clk_get_rate(clk
);
2768 dev_err(&of_dev
->dev
, "%s: Failed to determine FM%d clock rate\n",
2769 __func__
, fman
->dts_params
.id
);
2772 /* Rounding to MHz */
2773 fman
->dts_params
.clk_freq
= DIV_ROUND_UP(clk_rate
, 1000000);
2775 err
= of_property_read_u32_array(fm_node
, "fsl,qman-channel-range",
2778 dev_err(&of_dev
->dev
, "%s: failed to read fsl,qman-channel-range for %pOF\n",
2782 fman
->dts_params
.qman_channel_base
= range
[0];
2783 fman
->dts_params
.num_of_qman_channels
= range
[1];
2785 /* Get the MURAM base address and size */
2786 muram_node
= of_find_matching_node(fm_node
, fman_muram_match
);
2788 dev_err(&of_dev
->dev
, "%s: could not find MURAM node\n",
2793 err
= of_address_to_resource(muram_node
, 0,
2794 &fman
->dts_params
.muram_res
);
2796 of_node_put(muram_node
);
2797 dev_err(&of_dev
->dev
, "%s: of_address_to_resource() = %d\n",
2802 of_node_put(muram_node
);
2804 err
= devm_request_irq(&of_dev
->dev
, irq
, fman_irq
, IRQF_SHARED
,
2807 dev_err(&of_dev
->dev
, "%s: irq %d allocation failed (error = %d)\n",
2808 __func__
, irq
, err
);
2812 if (fman
->dts_params
.err_irq
!= 0) {
2813 err
= devm_request_irq(&of_dev
->dev
, fman
->dts_params
.err_irq
,
2814 fman_err_irq
, IRQF_SHARED
,
2817 dev_err(&of_dev
->dev
, "%s: irq %d allocation failed (error = %d)\n",
2818 __func__
, fman
->dts_params
.err_irq
, err
);
2823 fman
->dts_params
.res
=
2824 devm_request_mem_region(&of_dev
->dev
, phys_base_addr
,
2826 if (!fman
->dts_params
.res
) {
2827 dev_err(&of_dev
->dev
, "%s: request_mem_region() failed\n",
2832 fman
->dts_params
.base_addr
=
2833 devm_ioremap(&of_dev
->dev
, phys_base_addr
, mem_size
);
2834 if (!fman
->dts_params
.base_addr
) {
2835 dev_err(&of_dev
->dev
, "%s: devm_ioremap() failed\n", __func__
);
2839 fman
->dev
= &of_dev
->dev
;
2841 err
= of_platform_populate(fm_node
, NULL
, NULL
, &of_dev
->dev
);
2843 dev_err(&of_dev
->dev
, "%s: of_platform_populate() failed\n",
2851 of_node_put(fm_node
);
2857 static int fman_probe(struct platform_device
*of_dev
)
2865 fman
= read_dts_node(of_dev
);
2869 err
= fman_config(fman
);
2871 dev_err(dev
, "%s: FMan config failed\n", __func__
);
2875 if (fman_init(fman
) != 0) {
2876 dev_err(dev
, "%s: FMan init failed\n", __func__
);
2880 if (fman
->dts_params
.err_irq
== 0) {
2881 fman_set_exception(fman
, FMAN_EX_DMA_BUS_ERROR
, false);
2882 fman_set_exception(fman
, FMAN_EX_DMA_READ_ECC
, false);
2883 fman_set_exception(fman
, FMAN_EX_DMA_SYSTEM_WRITE_ECC
, false);
2884 fman_set_exception(fman
, FMAN_EX_DMA_FM_WRITE_ECC
, false);
2885 fman_set_exception(fman
, FMAN_EX_DMA_SINGLE_PORT_ECC
, false);
2886 fman_set_exception(fman
, FMAN_EX_FPM_STALL_ON_TASKS
, false);
2887 fman_set_exception(fman
, FMAN_EX_FPM_SINGLE_ECC
, false);
2888 fman_set_exception(fman
, FMAN_EX_FPM_DOUBLE_ECC
, false);
2889 fman_set_exception(fman
, FMAN_EX_QMI_SINGLE_ECC
, false);
2890 fman_set_exception(fman
, FMAN_EX_QMI_DOUBLE_ECC
, false);
2891 fman_set_exception(fman
,
2892 FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID
, false);
2893 fman_set_exception(fman
, FMAN_EX_BMI_LIST_RAM_ECC
, false);
2894 fman_set_exception(fman
, FMAN_EX_BMI_STORAGE_PROFILE_ECC
,
2896 fman_set_exception(fman
, FMAN_EX_BMI_STATISTICS_RAM_ECC
, false);
2897 fman_set_exception(fman
, FMAN_EX_BMI_DISPATCH_RAM_ECC
, false);
2900 dev_set_drvdata(dev
, fman
);
2902 dev_dbg(dev
, "FMan%d probed\n", fman
->dts_params
.id
);
2907 static const struct of_device_id fman_match
[] = {
2909 .compatible
= "fsl,fman"},
2913 MODULE_DEVICE_TABLE(of
, fman_match
);
2915 static struct platform_driver fman_driver
= {
2918 .of_match_table
= fman_match
,
2920 .probe
= fman_probe
,
2923 static int __init
fman_load(void)
2927 pr_debug("FSL DPAA FMan driver\n");
2929 err
= platform_driver_register(&fman_driver
);
2931 pr_err("Error, platform_driver_register() = %d\n", err
);
2935 module_init(fman_load
);
2937 static void __exit
fman_unload(void)
2939 platform_driver_unregister(&fman_driver
);
2941 module_exit(fman_unload
);
2943 MODULE_LICENSE("Dual BSD/GPL");
2944 MODULE_DESCRIPTION("Freescale DPAA Frame Manager driver");