2 * Driver for Marvell PPv2 network controller for Armada 375 SoC.
4 * Copyright (C) 2014 Marvell
11 * This file is licensed under the terms of the GNU General Public
12 * License version 2. This program is licensed "as is" without any
13 * warranty of any kind, whether express or implied.
18 #include <dm/device-internal.h>
25 #include <linux/errno.h>
29 #include <asm/arch/cpu.h>
30 #include <asm/arch/soc.h>
31 #include <linux/compat.h>
32 #include <linux/mbus.h>
34 DECLARE_GLOBAL_DATA_PTR;
36 /* Some linux -> U-Boot compatibility stuff */
37 #define netdev_err(dev, fmt, args...) \
39 #define netdev_warn(dev, fmt, args...) \
41 #define netdev_info(dev, fmt, args...) \
43 #define netdev_dbg(dev, fmt, args...) \
46 #define ETH_ALEN 6 /* Octets in one ethernet addr */
48 #define __verify_pcpu_ptr(ptr) \
50 const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
54 #define VERIFY_PERCPU_PTR(__p) \
56 __verify_pcpu_ptr(__p); \
57 (typeof(*(__p)) __kernel __force *)(__p); \
60 #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
61 #define smp_processor_id() 0
62 #define num_present_cpus() 1
63 #define for_each_present_cpu(cpu) \
64 for ((cpu) = 0; (cpu) < 1; (cpu)++)
66 #define NET_SKB_PAD max(32, MVPP2_CPU_D_CACHE_LINE_SIZE)
68 #define CONFIG_NR_CPUS 1
69 #define ETH_HLEN ETHER_HDR_SIZE /* Total octets in header */
71 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
72 #define WRAP (2 + ETH_HLEN + 4 + 32)
74 #define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
76 #define MVPP2_SMI_TIMEOUT 10000
78 /* RX Fifo Registers */
79 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
80 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
81 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
82 #define MVPP2_RX_FIFO_INIT_REG 0x64
84 /* RX DMA Top Registers */
85 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
86 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
87 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
88 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
89 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
90 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
91 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
92 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
93 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
94 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
95 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
96 #define MVPP2_RXQ_POOL_LONG_OFFS 24
97 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
98 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
99 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
100 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
101 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
103 /* Parser Registers */
104 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
105 #define MVPP2_PRS_PORT_LU_MAX 0xf
106 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
107 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
108 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
109 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
110 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
111 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
112 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
113 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
114 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
115 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
116 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
117 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
118 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
119 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
120 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
122 /* Classifier Registers */
123 #define MVPP2_CLS_MODE_REG 0x1800
124 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
125 #define MVPP2_CLS_PORT_WAY_REG 0x1810
126 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
127 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
128 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
129 #define MVPP2_CLS_LKP_TBL_REG 0x1818
130 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
131 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
132 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
133 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
134 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
135 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
136 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
137 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
138 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
139 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
140 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
141 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
143 /* Descriptor Manager Top Registers */
144 #define MVPP2_RXQ_NUM_REG 0x2040
145 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
146 #define MVPP22_DESC_ADDR_OFFS 8
147 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
148 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
149 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
150 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
151 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
152 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
153 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
154 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
155 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
156 #define MVPP2_RXQ_THRESH_REG 0x204c
157 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
158 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
159 #define MVPP2_RXQ_INDEX_REG 0x2050
160 #define MVPP2_TXQ_NUM_REG 0x2080
161 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
162 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
163 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
164 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
165 #define MVPP2_TXQ_THRESH_REG 0x2094
166 #define MVPP2_TRANSMITTED_THRESH_OFFSET 16
167 #define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
168 #define MVPP2_TXQ_INDEX_REG 0x2098
169 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
170 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
171 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
172 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
173 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
174 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
175 #define MVPP2_TXQ_PENDING_REG 0x20a0
176 #define MVPP2_TXQ_PENDING_MASK 0x3fff
177 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
178 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
179 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
180 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
181 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
182 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
183 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
184 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
185 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
186 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
187 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
188 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
189 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
190 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
191 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
192 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
193 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
195 /* MBUS bridge registers */
196 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
197 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
198 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
199 #define MVPP2_BASE_ADDR_ENABLE 0x4060
201 /* AXI Bridge Registers */
202 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
203 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
204 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
205 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
206 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
207 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
208 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
209 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
210 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
211 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
212 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
213 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
215 /* Values for AXI Bridge registers */
216 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
217 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
219 #define MVPP22_AXI_CODE_CACHE_OFFS 0
220 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
222 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
223 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
224 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
226 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
227 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
229 /* Interrupt Cause and Mask registers */
230 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
231 #define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
233 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
234 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
235 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
236 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
238 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
239 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
241 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
242 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
243 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
244 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
246 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
247 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
248 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
249 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
250 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
251 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
252 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
253 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
254 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
255 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
256 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
257 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
258 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
259 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
260 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
261 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
262 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
263 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
265 /* Buffer Manager registers */
266 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
267 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
268 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
269 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
270 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
271 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
272 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
273 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
274 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
275 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
276 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
277 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
278 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
279 #define MVPP2_BM_START_MASK BIT(0)
280 #define MVPP2_BM_STOP_MASK BIT(1)
281 #define MVPP2_BM_STATE_MASK BIT(4)
282 #define MVPP2_BM_LOW_THRESH_OFFS 8
283 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
284 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
285 MVPP2_BM_LOW_THRESH_OFFS)
286 #define MVPP2_BM_HIGH_THRESH_OFFS 16
287 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
288 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
289 MVPP2_BM_HIGH_THRESH_OFFS)
290 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
291 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
292 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
293 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
294 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
295 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
296 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
297 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
298 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
299 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
300 #define MVPP2_BM_ADDR_HIGH_ALLOC 0x6444
301 #define MVPP2_BM_ADDR_HIGH_PHYS_MASK 0xff
302 #define MVPP2_BM_ADDR_HIGH_VIRT_MASK 0xff00
303 #define MVPP2_BM_ADDR_HIGH_VIRT_SHIFT 8
304 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
305 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
306 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
307 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
308 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
309 #define MVPP21_BM_MC_RLS_REG 0x64c4
310 #define MVPP2_BM_MC_ID_MASK 0xfff
311 #define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
312 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
313 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
314 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
315 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
316 #define MVPP22_BM_MC_RLS_REG 0x64d4
318 /* TX Scheduler registers */
319 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
320 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
321 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
322 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
323 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
324 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
325 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
326 #define MVPP2_TXP_MTU_MAX 0x7FFFF
327 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
328 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
329 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
330 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
331 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
332 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
333 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
334 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
335 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
336 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
337 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
338 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
339 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
340 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
342 /* TX general registers */
343 #define MVPP2_TX_SNOOP_REG 0x8800
344 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
345 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
348 #define MVPP2_SRC_ADDR_MIDDLE 0x24
349 #define MVPP2_SRC_ADDR_HIGH 0x28
350 #define MVPP2_PHY_AN_CFG0_REG 0x34
351 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
352 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
353 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
355 /* Per-port registers */
356 #define MVPP2_GMAC_CTRL_0_REG 0x0
357 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
358 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
359 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
360 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
361 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
362 #define MVPP2_GMAC_CTRL_1_REG 0x4
363 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
364 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
365 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
366 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
367 #define MVPP2_GMAC_SA_LOW_OFFS 7
368 #define MVPP2_GMAC_CTRL_2_REG 0x8
369 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
370 #define MVPP2_GMAC_SGMII_MODE_MASK BIT(0)
371 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
372 #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4)
373 #define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5)
374 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
375 #define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9)
376 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
377 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
378 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
379 #define MVPP2_GMAC_EN_PCS_AN BIT(2)
380 #define MVPP2_GMAC_AN_BYPASS_EN BIT(3)
381 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
382 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
383 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
384 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
385 #define MVPP2_GMAC_EN_FC_AN BIT(11)
386 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
387 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
388 #define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15)
389 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
390 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
391 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
392 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
393 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
394 #define MVPP2_GMAC_CTRL_4_REG 0x90
395 #define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0)
396 #define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5)
397 #define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6)
398 #define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7)
401 * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
402 * relative to port->base.
405 /* Port Mac Control0 */
406 #define MVPP22_XLG_CTRL0_REG 0x100
407 #define MVPP22_XLG_PORT_EN BIT(0)
408 #define MVPP22_XLG_MAC_RESETN BIT(1)
409 #define MVPP22_XLG_RX_FC_EN BIT(7)
410 #define MVPP22_XLG_MIBCNT_DIS BIT(13)
411 /* Port Mac Control1 */
412 #define MVPP22_XLG_CTRL1_REG 0x104
413 #define MVPP22_XLG_MAX_RX_SIZE_OFFS 0
414 #define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff
415 /* Port Interrupt Mask */
416 #define MVPP22_XLG_INTERRUPT_MASK_REG 0x118
417 #define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1)
418 /* Port Mac Control3 */
419 #define MVPP22_XLG_CTRL3_REG 0x11c
420 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
421 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
422 #define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13)
423 /* Port Mac Control4 */
424 #define MVPP22_XLG_CTRL4_REG 0x184
425 #define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5)
426 #define MVPP22_XLG_FORWARD_PFC_EN BIT(6)
427 #define MVPP22_XLG_MODE_DMA_1G BIT(12)
428 #define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14)
432 /* Global Configuration 0 */
433 #define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0
434 #define MVPP22_XPCS_PCSRESET BIT(0)
435 #define MVPP22_XPCS_PCSMODE_OFFS 3
436 #define MVPP22_XPCS_PCSMODE_MASK (0x3 << \
437 MVPP22_XPCS_PCSMODE_OFFS)
438 #define MVPP22_XPCS_LANEACTIVE_OFFS 5
439 #define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \
440 MVPP22_XPCS_LANEACTIVE_OFFS)
444 #define PCS40G_COMMON_CONTROL 0x14
445 #define FORWARD_ERROR_CORRECTION_MASK BIT(1)
447 #define PCS_CLOCK_RESET 0x14c
448 #define TX_SD_CLK_RESET_MASK BIT(0)
449 #define RX_SD_CLK_RESET_MASK BIT(1)
450 #define MAC_CLK_RESET_MASK BIT(2)
451 #define CLK_DIVISION_RATIO_OFFS 4
452 #define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS)
453 #define CLK_DIV_PHASE_SET_MASK BIT(11)
455 /* System Soft Reset 1 */
456 #define GOP_SOFT_RESET_1_REG 0x108
457 #define NETC_GOP_SOFT_RESET_OFFS 6
458 #define NETC_GOP_SOFT_RESET_MASK (0x1 << \
459 NETC_GOP_SOFT_RESET_OFFS)
461 /* Ports Control 0 */
462 #define NETCOMP_PORTS_CONTROL_0_REG 0x110
463 #define NETC_BUS_WIDTH_SELECT_OFFS 1
464 #define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \
465 NETC_BUS_WIDTH_SELECT_OFFS)
466 #define NETC_GIG_RX_DATA_SAMPLE_OFFS 29
467 #define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \
468 NETC_GIG_RX_DATA_SAMPLE_OFFS)
469 #define NETC_CLK_DIV_PHASE_OFFS 31
470 #define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS)
471 /* Ports Control 1 */
472 #define NETCOMP_PORTS_CONTROL_1_REG 0x114
473 #define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p)
474 #define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \
475 NETC_PORTS_ACTIVE_OFFSET(p))
476 #define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p)
477 #define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \
478 NETC_PORT_GIG_RF_RESET_OFFS(p))
479 #define NETCOMP_CONTROL_0_REG 0x120
480 #define NETC_GBE_PORT0_SGMII_MODE_OFFS 0
481 #define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \
482 NETC_GBE_PORT0_SGMII_MODE_OFFS)
483 #define NETC_GBE_PORT1_SGMII_MODE_OFFS 1
484 #define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \
485 NETC_GBE_PORT1_SGMII_MODE_OFFS)
486 #define NETC_GBE_PORT1_MII_MODE_OFFS 2
487 #define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \
488 NETC_GBE_PORT1_MII_MODE_OFFS)
490 #define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04)
491 #define MVPP22_SMI_POLLING_EN BIT(10)
493 #define MVPP22_SMI_PHY_ADDR_REG(port) (MVPP22_SMI + 0x04 + \
496 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
498 /* Descriptor ring Macros */
499 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
500 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
502 /* SMI: 0xc0054 -> offset 0x54 to lms_base */
503 #define MVPP21_SMI 0x0054
504 /* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
505 #define MVPP22_SMI 0x1200
506 #define MVPP2_PHY_REG_MASK 0x1f
507 /* SMI register fields */
508 #define MVPP2_SMI_DATA_OFFS 0 /* Data */
509 #define MVPP2_SMI_DATA_MASK (0xffff << MVPP2_SMI_DATA_OFFS)
510 #define MVPP2_SMI_DEV_ADDR_OFFS 16 /* PHY device address */
511 #define MVPP2_SMI_REG_ADDR_OFFS 21 /* PHY device reg addr*/
512 #define MVPP2_SMI_OPCODE_OFFS 26 /* Write/Read opcode */
513 #define MVPP2_SMI_OPCODE_READ (1 << MVPP2_SMI_OPCODE_OFFS)
514 #define MVPP2_SMI_READ_VALID (1 << 27) /* Read Valid */
515 #define MVPP2_SMI_BUSY (1 << 28) /* Busy */
517 #define MVPP2_PHY_ADDR_MASK 0x1f
518 #define MVPP2_PHY_REG_MASK 0x1f
520 /* Additional PPv2.2 offsets */
521 #define MVPP22_MPCS 0x007000
522 #define MVPP22_XPCS 0x007400
523 #define MVPP22_PORT_BASE 0x007e00
524 #define MVPP22_PORT_OFFSET 0x001000
525 #define MVPP22_RFU1 0x318000
527 /* Maximum number of ports */
528 #define MVPP22_GOP_MAC_NUM 4
530 /* Sets the field located at the specified in data */
531 #define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41
532 #define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5
533 #define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb
536 enum mv_netc_topology {
537 MV_NETC_GE_MAC2_SGMII = BIT(0),
538 MV_NETC_GE_MAC3_SGMII = BIT(1),
539 MV_NETC_GE_MAC3_RGMII = BIT(2),
544 MV_NETC_SECOND_PHASE,
547 enum mv_netc_sgmii_xmi_mode {
552 enum mv_netc_mii_mode {
562 /* Various constants */
565 #define MVPP2_TXDONE_COAL_PKTS_THRESH 15
566 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
567 #define MVPP2_RX_COAL_PKTS 32
568 #define MVPP2_RX_COAL_USEC 100
570 /* The two bytes Marvell header. Either contains a special value used
571 * by Marvell switches when a specific hardware mode is enabled (not
572 * supported by this driver) or is filled automatically by zeroes on
573 * the RX side. Those two bytes being at the front of the Ethernet
574 * header, they allow to have the IP header aligned on a 4 bytes
575 * boundary automatically: the hardware skips those two bytes on its
578 #define MVPP2_MH_SIZE 2
579 #define MVPP2_ETH_TYPE_LEN 2
580 #define MVPP2_PPPOE_HDR_SIZE 8
581 #define MVPP2_VLAN_TAG_LEN 4
583 /* Lbtd 802.3 type */
584 #define MVPP2_IP_LBDT_TYPE 0xfffa
586 #define MVPP2_CPU_D_CACHE_LINE_SIZE 32
587 #define MVPP2_TX_CSUM_MAX_SIZE 9800
589 /* Timeout constants */
590 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
591 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
593 #define MVPP2_TX_MTU_MAX 0x7ffff
595 /* Maximum number of T-CONTs of PON port */
596 #define MVPP2_MAX_TCONT 16
598 /* Maximum number of supported ports */
599 #define MVPP2_MAX_PORTS 4
601 /* Maximum number of TXQs used by single port */
602 #define MVPP2_MAX_TXQ 8
604 /* Default number of TXQs in use */
605 #define MVPP2_DEFAULT_TXQ 1
607 /* Dfault number of RXQs in use */
608 #define MVPP2_DEFAULT_RXQ 1
609 #define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
611 /* Max number of Rx descriptors */
612 #define MVPP2_MAX_RXD 16
614 /* Max number of Tx descriptors */
615 #define MVPP2_MAX_TXD 16
617 /* Amount of Tx descriptors that can be reserved at once by CPU */
618 #define MVPP2_CPU_DESC_CHUNK 64
620 /* Max number of Tx descriptors in each aggregated queue */
621 #define MVPP2_AGGR_TXQ_SIZE 256
623 /* Descriptor aligned size */
624 #define MVPP2_DESC_ALIGNED_SIZE 32
626 /* Descriptor alignment mask */
627 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
629 /* RX FIFO constants */
630 #define MVPP21_RX_FIFO_PORT_DATA_SIZE 0x2000
631 #define MVPP21_RX_FIFO_PORT_ATTR_SIZE 0x80
632 #define MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE 0x8000
633 #define MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE 0x2000
634 #define MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE 0x1000
635 #define MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE 0x200
636 #define MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE 0x80
637 #define MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE 0x40
638 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
640 /* TX general registers */
641 #define MVPP22_TX_FIFO_SIZE_REG(eth_tx_port) (0x8860 + ((eth_tx_port) << 2))
642 #define MVPP22_TX_FIFO_SIZE_MASK 0xf
644 /* TX FIFO constants */
645 #define MVPP2_TX_FIFO_DATA_SIZE_10KB 0xa
646 #define MVPP2_TX_FIFO_DATA_SIZE_3KB 0x3
648 /* RX buffer constants */
649 #define MVPP2_SKB_SHINFO_SIZE \
652 #define MVPP2_RX_PKT_SIZE(mtu) \
653 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
654 ETH_HLEN + ETH_FCS_LEN, MVPP2_CPU_D_CACHE_LINE_SIZE)
656 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
657 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
658 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
659 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
661 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
663 /* IPv6 max L3 address size */
664 #define MVPP2_MAX_L3_ADDR_SIZE 16
667 #define MVPP2_F_LOOPBACK BIT(0)
669 /* Marvell tag types */
670 enum mvpp2_tag_type {
671 MVPP2_TAG_TYPE_NONE = 0,
672 MVPP2_TAG_TYPE_MH = 1,
673 MVPP2_TAG_TYPE_DSA = 2,
674 MVPP2_TAG_TYPE_EDSA = 3,
675 MVPP2_TAG_TYPE_VLAN = 4,
676 MVPP2_TAG_TYPE_LAST = 5
679 /* Parser constants */
680 #define MVPP2_PRS_TCAM_SRAM_SIZE 256
681 #define MVPP2_PRS_TCAM_WORDS 6
682 #define MVPP2_PRS_SRAM_WORDS 4
683 #define MVPP2_PRS_FLOW_ID_SIZE 64
684 #define MVPP2_PRS_FLOW_ID_MASK 0x3f
685 #define MVPP2_PRS_TCAM_ENTRY_INVALID 1
686 #define MVPP2_PRS_TCAM_DSA_TAGGED_BIT BIT(5)
687 #define MVPP2_PRS_IPV4_HEAD 0x40
688 #define MVPP2_PRS_IPV4_HEAD_MASK 0xf0
689 #define MVPP2_PRS_IPV4_MC 0xe0
690 #define MVPP2_PRS_IPV4_MC_MASK 0xf0
691 #define MVPP2_PRS_IPV4_BC_MASK 0xff
692 #define MVPP2_PRS_IPV4_IHL 0x5
693 #define MVPP2_PRS_IPV4_IHL_MASK 0xf
694 #define MVPP2_PRS_IPV6_MC 0xff
695 #define MVPP2_PRS_IPV6_MC_MASK 0xff
696 #define MVPP2_PRS_IPV6_HOP_MASK 0xff
697 #define MVPP2_PRS_TCAM_PROTO_MASK 0xff
698 #define MVPP2_PRS_TCAM_PROTO_MASK_L 0x3f
699 #define MVPP2_PRS_DBL_VLANS_MAX 100
702 * - lookup ID - 4 bits
704 * - additional information - 1 byte
705 * - header data - 8 bytes
706 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
708 #define MVPP2_PRS_AI_BITS 8
709 #define MVPP2_PRS_PORT_MASK 0xff
710 #define MVPP2_PRS_LU_MASK 0xf
711 #define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
712 (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
713 #define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
714 (((offs) * 2) - ((offs) % 2) + 2)
715 #define MVPP2_PRS_TCAM_AI_BYTE 16
716 #define MVPP2_PRS_TCAM_PORT_BYTE 17
717 #define MVPP2_PRS_TCAM_LU_BYTE 20
718 #define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
719 #define MVPP2_PRS_TCAM_INV_WORD 5
720 /* Tcam entries ID */
721 #define MVPP2_PE_DROP_ALL 0
722 #define MVPP2_PE_FIRST_FREE_TID 1
723 #define MVPP2_PE_LAST_FREE_TID (MVPP2_PRS_TCAM_SRAM_SIZE - 31)
724 #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30)
725 #define MVPP2_PE_MAC_MC_IP6 (MVPP2_PRS_TCAM_SRAM_SIZE - 29)
726 #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
727 #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 27)
728 #define MVPP2_PE_LAST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 26)
729 #define MVPP2_PE_FIRST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 19)
730 #define MVPP2_PE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 18)
731 #define MVPP2_PE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 17)
732 #define MVPP2_PE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 16)
733 #define MVPP2_PE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 15)
734 #define MVPP2_PE_ETYPE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 14)
735 #define MVPP2_PE_ETYPE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 13)
736 #define MVPP2_PE_ETYPE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 12)
737 #define MVPP2_PE_ETYPE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 11)
738 #define MVPP2_PE_MH_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 10)
739 #define MVPP2_PE_DSA_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 9)
740 #define MVPP2_PE_IP6_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 8)
741 #define MVPP2_PE_IP4_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 7)
742 #define MVPP2_PE_ETH_TYPE_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 6)
743 #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 5)
744 #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 4)
745 #define MVPP2_PE_MAC_MC_ALL (MVPP2_PRS_TCAM_SRAM_SIZE - 3)
746 #define MVPP2_PE_MAC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2)
747 #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1)
750 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(3)->(0).
752 #define MVPP2_PRS_SRAM_RI_OFFS 0
753 #define MVPP2_PRS_SRAM_RI_WORD 0
754 #define MVPP2_PRS_SRAM_RI_CTRL_OFFS 32
755 #define MVPP2_PRS_SRAM_RI_CTRL_WORD 1
756 #define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
757 #define MVPP2_PRS_SRAM_SHIFT_OFFS 64
758 #define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
759 #define MVPP2_PRS_SRAM_UDF_OFFS 73
760 #define MVPP2_PRS_SRAM_UDF_BITS 8
761 #define MVPP2_PRS_SRAM_UDF_MASK 0xff
762 #define MVPP2_PRS_SRAM_UDF_SIGN_BIT 81
763 #define MVPP2_PRS_SRAM_UDF_TYPE_OFFS 82
764 #define MVPP2_PRS_SRAM_UDF_TYPE_MASK 0x7
765 #define MVPP2_PRS_SRAM_UDF_TYPE_L3 1
766 #define MVPP2_PRS_SRAM_UDF_TYPE_L4 4
767 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS 85
768 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK 0x3
769 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD 1
770 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP4_ADD 2
771 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP6_ADD 3
772 #define MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS 87
773 #define MVPP2_PRS_SRAM_OP_SEL_UDF_BITS 2
774 #define MVPP2_PRS_SRAM_OP_SEL_UDF_MASK 0x3
775 #define MVPP2_PRS_SRAM_OP_SEL_UDF_ADD 0
776 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP4_ADD 2
777 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP6_ADD 3
778 #define MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS 89
779 #define MVPP2_PRS_SRAM_AI_OFFS 90
780 #define MVPP2_PRS_SRAM_AI_CTRL_OFFS 98
781 #define MVPP2_PRS_SRAM_AI_CTRL_BITS 8
782 #define MVPP2_PRS_SRAM_AI_MASK 0xff
783 #define MVPP2_PRS_SRAM_NEXT_LU_OFFS 106
784 #define MVPP2_PRS_SRAM_NEXT_LU_MASK 0xf
785 #define MVPP2_PRS_SRAM_LU_DONE_BIT 110
786 #define MVPP2_PRS_SRAM_LU_GEN_BIT 111
788 /* Sram result info bits assignment */
789 #define MVPP2_PRS_RI_MAC_ME_MASK 0x1
790 #define MVPP2_PRS_RI_DSA_MASK 0x2
791 #define MVPP2_PRS_RI_VLAN_MASK (BIT(2) | BIT(3))
792 #define MVPP2_PRS_RI_VLAN_NONE 0x0
793 #define MVPP2_PRS_RI_VLAN_SINGLE BIT(2)
794 #define MVPP2_PRS_RI_VLAN_DOUBLE BIT(3)
795 #define MVPP2_PRS_RI_VLAN_TRIPLE (BIT(2) | BIT(3))
796 #define MVPP2_PRS_RI_CPU_CODE_MASK 0x70
797 #define MVPP2_PRS_RI_CPU_CODE_RX_SPEC BIT(4)
798 #define MVPP2_PRS_RI_L2_CAST_MASK (BIT(9) | BIT(10))
799 #define MVPP2_PRS_RI_L2_UCAST 0x0
800 #define MVPP2_PRS_RI_L2_MCAST BIT(9)
801 #define MVPP2_PRS_RI_L2_BCAST BIT(10)
802 #define MVPP2_PRS_RI_PPPOE_MASK 0x800
803 #define MVPP2_PRS_RI_L3_PROTO_MASK (BIT(12) | BIT(13) | BIT(14))
804 #define MVPP2_PRS_RI_L3_UN 0x0
805 #define MVPP2_PRS_RI_L3_IP4 BIT(12)
806 #define MVPP2_PRS_RI_L3_IP4_OPT BIT(13)
807 #define MVPP2_PRS_RI_L3_IP4_OTHER (BIT(12) | BIT(13))
808 #define MVPP2_PRS_RI_L3_IP6 BIT(14)
809 #define MVPP2_PRS_RI_L3_IP6_EXT (BIT(12) | BIT(14))
810 #define MVPP2_PRS_RI_L3_ARP (BIT(13) | BIT(14))
811 #define MVPP2_PRS_RI_L3_ADDR_MASK (BIT(15) | BIT(16))
812 #define MVPP2_PRS_RI_L3_UCAST 0x0
813 #define MVPP2_PRS_RI_L3_MCAST BIT(15)
814 #define MVPP2_PRS_RI_L3_BCAST (BIT(15) | BIT(16))
815 #define MVPP2_PRS_RI_IP_FRAG_MASK 0x20000
816 #define MVPP2_PRS_RI_UDF3_MASK 0x300000
817 #define MVPP2_PRS_RI_UDF3_RX_SPECIAL BIT(21)
818 #define MVPP2_PRS_RI_L4_PROTO_MASK 0x1c00000
819 #define MVPP2_PRS_RI_L4_TCP BIT(22)
820 #define MVPP2_PRS_RI_L4_UDP BIT(23)
821 #define MVPP2_PRS_RI_L4_OTHER (BIT(22) | BIT(23))
822 #define MVPP2_PRS_RI_UDF7_MASK 0x60000000
823 #define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
824 #define MVPP2_PRS_RI_DROP_MASK 0x80000000
826 /* Sram additional info bits assignment */
827 #define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
828 #define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
829 #define MVPP2_PRS_IPV6_EXT_AI_BIT BIT(1)
830 #define MVPP2_PRS_IPV6_EXT_AH_AI_BIT BIT(2)
831 #define MVPP2_PRS_IPV6_EXT_AH_LEN_AI_BIT BIT(3)
832 #define MVPP2_PRS_IPV6_EXT_AH_L4_AI_BIT BIT(4)
833 #define MVPP2_PRS_SINGLE_VLAN_AI 0
834 #define MVPP2_PRS_DBL_VLAN_AI_BIT BIT(7)
837 #define MVPP2_PRS_TAGGED true
838 #define MVPP2_PRS_UNTAGGED false
839 #define MVPP2_PRS_EDSA true
840 #define MVPP2_PRS_DSA false
842 /* MAC entries, shadow udf */
844 MVPP2_PRS_UDF_MAC_DEF,
845 MVPP2_PRS_UDF_MAC_RANGE,
846 MVPP2_PRS_UDF_L2_DEF,
847 MVPP2_PRS_UDF_L2_DEF_COPY,
848 MVPP2_PRS_UDF_L2_USER,
852 enum mvpp2_prs_lookup {
866 enum mvpp2_prs_l3_cast {
867 MVPP2_PRS_L3_UNI_CAST,
868 MVPP2_PRS_L3_MULTI_CAST,
869 MVPP2_PRS_L3_BROAD_CAST
872 /* Classifier constants */
873 #define MVPP2_CLS_FLOWS_TBL_SIZE 512
874 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3
875 #define MVPP2_CLS_LKP_TBL_SIZE 64
878 #define MVPP2_BM_POOLS_NUM 1
879 #define MVPP2_BM_LONG_BUF_NUM 16
880 #define MVPP2_BM_SHORT_BUF_NUM 16
881 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
882 #define MVPP2_BM_POOL_PTR_ALIGN 128
883 #define MVPP2_BM_SWF_LONG_POOL(port) 0
885 /* BM cookie (32 bits) definition */
886 #define MVPP2_BM_COOKIE_POOL_OFFS 8
887 #define MVPP2_BM_COOKIE_CPU_OFFS 24
889 /* BM short pool packet size
890 * These value assure that for SWF the total number
891 * of bytes allocated for each buffer will be 512
893 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
903 /* Shared Packet Processor resources */
905 /* Shared registers' base addresses */
907 void __iomem *lms_base;
908 void __iomem *iface_base;
909 void __iomem *mdio_base;
911 void __iomem *mpcs_base;
912 void __iomem *xpcs_base;
913 void __iomem *rfu1_base;
917 /* List of pointers to port structures */
918 struct mvpp2_port **port_list;
920 /* Aggregated TXQs */
921 struct mvpp2_tx_queue *aggr_txqs;
924 struct mvpp2_bm_pool *bm_pools;
926 /* PRS shadow table */
927 struct mvpp2_prs_shadow *prs_shadow;
928 /* PRS auxiliary table for double vlan entries control */
929 bool *prs_double_vlans;
935 enum { MVPP21, MVPP22 } hw_version;
937 /* Maximum number of RXQs per port */
938 unsigned int max_port_rxqs;
945 struct mvpp2_pcpu_stats {
955 /* Index of the port from the "group of ports" complex point
964 /* Per-port registers' base address */
967 struct mvpp2_rx_queue **rxqs;
968 struct mvpp2_tx_queue **txqs;
972 u32 pending_cause_rx;
974 /* Per-CPU port control */
975 struct mvpp2_port_pcpu __percpu *pcpu;
982 struct mvpp2_pcpu_stats __percpu *stats;
984 struct phy_device *phy_dev;
985 phy_interface_t phy_interface;
993 unsigned int phy_speed; /* SGMII 1Gbps vs 2.5Gbps */
995 struct mvpp2_bm_pool *pool_long;
996 struct mvpp2_bm_pool *pool_short;
998 /* Index of first port's physical RXQ */
1001 u8 dev_addr[ETH_ALEN];
1004 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
1005 * layout of the transmit and reception DMA descriptors, and their
1006 * layout is therefore defined by the hardware design
1009 #define MVPP2_TXD_L3_OFF_SHIFT 0
1010 #define MVPP2_TXD_IP_HLEN_SHIFT 8
1011 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
1012 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
1013 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
1014 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
1015 #define MVPP2_TXD_L4_UDP BIT(24)
1016 #define MVPP2_TXD_L3_IP6 BIT(26)
1017 #define MVPP2_TXD_L_DESC BIT(28)
1018 #define MVPP2_TXD_F_DESC BIT(29)
1020 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
1021 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
1022 #define MVPP2_RXD_ERR_CRC 0x0
1023 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
1024 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
1025 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
1026 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
1027 #define MVPP2_RXD_HWF_SYNC BIT(21)
1028 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
1029 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
1030 #define MVPP2_RXD_L4_TCP BIT(25)
1031 #define MVPP2_RXD_L4_UDP BIT(26)
1032 #define MVPP2_RXD_L3_IP4 BIT(28)
1033 #define MVPP2_RXD_L3_IP6 BIT(30)
1034 #define MVPP2_RXD_BUF_HDR BIT(31)
1036 /* HW TX descriptor for PPv2.1 */
1037 struct mvpp21_tx_desc {
1038 u32 command; /* Options used by HW for packet transmitting.*/
1039 u8 packet_offset; /* the offset from the buffer beginning */
1040 u8 phys_txq; /* destination queue ID */
1041 u16 data_size; /* data size of transmitted packet in bytes */
1042 u32 buf_dma_addr; /* physical addr of transmitted buffer */
1043 u32 buf_cookie; /* cookie for access to TX buffer in tx path */
1044 u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
1045 u32 reserved2; /* reserved (for future use) */
1048 /* HW RX descriptor for PPv2.1 */
1049 struct mvpp21_rx_desc {
1050 u32 status; /* info about received packet */
1051 u16 reserved1; /* parser_info (for future use, PnC) */
1052 u16 data_size; /* size of received packet in bytes */
1053 u32 buf_dma_addr; /* physical address of the buffer */
1054 u32 buf_cookie; /* cookie for access to RX buffer in rx path */
1055 u16 reserved2; /* gem_port_id (for future use, PON) */
1056 u16 reserved3; /* csum_l4 (for future use, PnC) */
1057 u8 reserved4; /* bm_qset (for future use, BM) */
1059 u16 reserved6; /* classify_info (for future use, PnC) */
1060 u32 reserved7; /* flow_id (for future use, PnC) */
1064 /* HW TX descriptor for PPv2.2 */
1065 struct mvpp22_tx_desc {
1071 u64 buf_dma_addr_ptp;
1072 u64 buf_cookie_misc;
1075 /* HW RX descriptor for PPv2.2 */
1076 struct mvpp22_rx_desc {
1082 u64 buf_dma_addr_key_hash;
1083 u64 buf_cookie_misc;
1086 /* Opaque type used by the driver to manipulate the HW TX and RX
1089 struct mvpp2_tx_desc {
1091 struct mvpp21_tx_desc pp21;
1092 struct mvpp22_tx_desc pp22;
1096 struct mvpp2_rx_desc {
1098 struct mvpp21_rx_desc pp21;
1099 struct mvpp22_rx_desc pp22;
1103 /* Per-CPU Tx queue control */
1104 struct mvpp2_txq_pcpu {
1107 /* Number of Tx DMA descriptors in the descriptor ring */
1110 /* Number of currently used Tx DMA descriptor in the
1115 /* Number of Tx DMA descriptors reserved for each CPU */
1118 /* Index of last TX DMA descriptor that was inserted */
1121 /* Index of the TX DMA descriptor to be cleaned up */
1125 struct mvpp2_tx_queue {
1126 /* Physical number of this Tx queue */
1129 /* Logical number of this Tx queue */
1132 /* Number of Tx DMA descriptors in the descriptor ring */
1135 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1138 /* Per-CPU control of physical Tx queues */
1139 struct mvpp2_txq_pcpu __percpu *pcpu;
1143 /* Virtual address of thex Tx DMA descriptors array */
1144 struct mvpp2_tx_desc *descs;
1146 /* DMA address of the Tx DMA descriptors array */
1147 dma_addr_t descs_dma;
1149 /* Index of the last Tx DMA descriptor */
1152 /* Index of the next Tx DMA descriptor to process */
1153 int next_desc_to_proc;
1156 struct mvpp2_rx_queue {
1157 /* RX queue number, in the range 0-31 for physical RXQs */
1160 /* Num of rx descriptors in the rx descriptor ring */
1166 /* Virtual address of the RX DMA descriptors array */
1167 struct mvpp2_rx_desc *descs;
1169 /* DMA address of the RX DMA descriptors array */
1170 dma_addr_t descs_dma;
1172 /* Index of the last RX DMA descriptor */
1175 /* Index of the next RX DMA descriptor to process */
1176 int next_desc_to_proc;
1178 /* ID of port to which physical RXQ is mapped */
1181 /* Port's logic RXQ number to which physical RXQ is mapped */
1185 union mvpp2_prs_tcam_entry {
1186 u32 word[MVPP2_PRS_TCAM_WORDS];
1187 u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
1190 union mvpp2_prs_sram_entry {
1191 u32 word[MVPP2_PRS_SRAM_WORDS];
1192 u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
1195 struct mvpp2_prs_entry {
1197 union mvpp2_prs_tcam_entry tcam;
1198 union mvpp2_prs_sram_entry sram;
1201 struct mvpp2_prs_shadow {
1208 /* User defined offset */
1216 struct mvpp2_cls_flow_entry {
1218 u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS];
1221 struct mvpp2_cls_lookup_entry {
1227 struct mvpp2_bm_pool {
1228 /* Pool number in the range 0-7 */
1230 enum mvpp2_bm_type type;
1232 /* Buffer Pointers Pool External (BPPE) size */
1234 /* Number of buffers for this pool */
1236 /* Pool buffer size */
1241 /* BPPE virtual base address */
1242 unsigned long *virt_addr;
1243 /* BPPE DMA base address */
1244 dma_addr_t dma_addr;
1246 /* Ports using BM pool */
1250 /* Static declaractions */
1252 /* Number of RXQs used by single port */
1253 static int rxq_number = MVPP2_DEFAULT_RXQ;
1254 /* Number of TXQs used by single port */
1255 static int txq_number = MVPP2_DEFAULT_TXQ;
1259 #define MVPP2_DRIVER_NAME "mvpp2"
1260 #define MVPP2_DRIVER_VERSION "1.0"
1263 * U-Boot internal data, mostly uncached buffers for descriptors and data
1265 struct buffer_location {
1266 struct mvpp2_tx_desc *aggr_tx_descs;
1267 struct mvpp2_tx_desc *tx_descs;
1268 struct mvpp2_rx_desc *rx_descs;
1269 unsigned long *bm_pool[MVPP2_BM_POOLS_NUM];
1270 unsigned long *rx_buffer[MVPP2_BM_LONG_BUF_NUM];
1275 * All 4 interfaces use the same global buffer, since only one interface
1276 * can be enabled at once
1278 static struct buffer_location buffer_loc;
1281 * Page table entries are set to 1MB, or multiples of 1MB
1282 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1284 #define BD_SPACE (1 << 20)
1286 /* Utility/helper methods */
1288 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1290 writel(data, priv->base + offset);
1293 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1295 return readl(priv->base + offset);
1298 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1299 struct mvpp2_tx_desc *tx_desc,
1300 dma_addr_t dma_addr)
1302 if (port->priv->hw_version == MVPP21) {
1303 tx_desc->pp21.buf_dma_addr = dma_addr;
1305 u64 val = (u64)dma_addr;
1307 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1308 tx_desc->pp22.buf_dma_addr_ptp |= val;
1312 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1313 struct mvpp2_tx_desc *tx_desc,
1316 if (port->priv->hw_version == MVPP21)
1317 tx_desc->pp21.data_size = size;
1319 tx_desc->pp22.data_size = size;
1322 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1323 struct mvpp2_tx_desc *tx_desc,
1326 if (port->priv->hw_version == MVPP21)
1327 tx_desc->pp21.phys_txq = txq;
1329 tx_desc->pp22.phys_txq = txq;
1332 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1333 struct mvpp2_tx_desc *tx_desc,
1334 unsigned int command)
1336 if (port->priv->hw_version == MVPP21)
1337 tx_desc->pp21.command = command;
1339 tx_desc->pp22.command = command;
1342 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1343 struct mvpp2_tx_desc *tx_desc,
1344 unsigned int offset)
1346 if (port->priv->hw_version == MVPP21)
1347 tx_desc->pp21.packet_offset = offset;
1349 tx_desc->pp22.packet_offset = offset;
1352 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1353 struct mvpp2_rx_desc *rx_desc)
1355 if (port->priv->hw_version == MVPP21)
1356 return rx_desc->pp21.buf_dma_addr;
1358 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1361 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1362 struct mvpp2_rx_desc *rx_desc)
1364 if (port->priv->hw_version == MVPP21)
1365 return rx_desc->pp21.buf_cookie;
1367 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1370 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1371 struct mvpp2_rx_desc *rx_desc)
1373 if (port->priv->hw_version == MVPP21)
1374 return rx_desc->pp21.data_size;
1376 return rx_desc->pp22.data_size;
1379 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1380 struct mvpp2_rx_desc *rx_desc)
1382 if (port->priv->hw_version == MVPP21)
1383 return rx_desc->pp21.status;
1385 return rx_desc->pp22.status;
1388 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1390 txq_pcpu->txq_get_index++;
1391 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1392 txq_pcpu->txq_get_index = 0;
1395 /* Get number of physical egress port */
1396 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1398 return MVPP2_MAX_TCONT + port->id;
1401 /* Get number of physical TXQ */
1402 static inline int mvpp2_txq_phys(int port, int txq)
1404 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1407 /* Parser configuration routines */
1409 /* Update parser tcam and sram hw entries */
1410 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1414 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1417 /* Clear entry invalidation bit */
1418 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1420 /* Write tcam index - indirect access */
1421 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1422 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1423 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1425 /* Write sram index - indirect access */
1426 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1427 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1428 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1433 /* Read tcam entry from hw */
1434 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1438 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1441 /* Write tcam index - indirect access */
1442 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1444 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1445 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1446 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1447 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1449 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1450 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1452 /* Write sram index - indirect access */
1453 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1454 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1455 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1460 /* Invalidate tcam hw entry */
1461 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1463 /* Write index - indirect access */
1464 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1465 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1466 MVPP2_PRS_TCAM_INV_MASK);
1469 /* Enable shadow table entry and set its lookup ID */
1470 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1472 priv->prs_shadow[index].valid = true;
1473 priv->prs_shadow[index].lu = lu;
1476 /* Update ri fields in shadow table entry */
1477 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1478 unsigned int ri, unsigned int ri_mask)
1480 priv->prs_shadow[index].ri_mask = ri_mask;
1481 priv->prs_shadow[index].ri = ri;
1484 /* Update lookup field in tcam sw entry */
1485 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1487 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1489 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1490 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1493 /* Update mask for single port in tcam sw entry */
1494 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1495 unsigned int port, bool add)
1497 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1500 pe->tcam.byte[enable_off] &= ~(1 << port);
1502 pe->tcam.byte[enable_off] |= 1 << port;
1505 /* Update port map in tcam sw entry */
1506 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1509 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1510 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1512 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1513 pe->tcam.byte[enable_off] &= ~port_mask;
1514 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1517 /* Obtain port map from tcam sw entry */
1518 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1520 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1522 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1525 /* Set byte of data and its enable bits in tcam sw entry */
1526 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1527 unsigned int offs, unsigned char byte,
1528 unsigned char enable)
1530 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1531 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1534 /* Get byte of data and its enable bits from tcam sw entry */
1535 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1536 unsigned int offs, unsigned char *byte,
1537 unsigned char *enable)
1539 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1540 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1543 /* Set ethertype in tcam sw entry */
1544 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1545 unsigned short ethertype)
1547 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1548 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1551 /* Set bits in sram sw entry */
1552 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1555 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1558 /* Clear bits in sram sw entry */
1559 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1562 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1565 /* Update ri bits in sram sw entry */
1566 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1567 unsigned int bits, unsigned int mask)
1571 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1572 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1574 if (!(mask & BIT(i)))
1578 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1580 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1582 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1586 /* Update ai bits in sram sw entry */
1587 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1588 unsigned int bits, unsigned int mask)
1591 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1593 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1595 if (!(mask & BIT(i)))
1599 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1601 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1603 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1607 /* Read ai bits from sram sw entry */
1608 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1611 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1612 int ai_en_off = ai_off + 1;
1613 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1615 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1616 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1621 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1624 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1627 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1629 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1630 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1631 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1634 /* In the sram sw entry set sign and value of the next lookup offset
1635 * and the offset value generated to the classifier
1637 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1642 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1645 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1649 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1650 (unsigned char)shift;
1652 /* Reset and set operation */
1653 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1654 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1655 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1657 /* Set base offset as current */
1658 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1661 /* In the sram sw entry set sign and value of the user defined offset
1662 * generated to the classifier
1664 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1665 unsigned int type, int offset,
1670 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1671 offset = 0 - offset;
1673 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1677 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1678 MVPP2_PRS_SRAM_UDF_MASK);
1679 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1680 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1681 MVPP2_PRS_SRAM_UDF_BITS)] &=
1682 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1683 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1684 MVPP2_PRS_SRAM_UDF_BITS)] |=
1685 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1687 /* Set offset type */
1688 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1689 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1690 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1692 /* Set offset operation */
1693 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1694 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1695 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1697 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1698 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1699 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1700 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1702 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1703 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1704 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1706 /* Set base offset as current */
1707 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1710 /* Find parser flow entry */
1711 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1713 struct mvpp2_prs_entry *pe;
1716 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1719 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1721 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1722 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1725 if (!priv->prs_shadow[tid].valid ||
1726 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1730 mvpp2_prs_hw_read(priv, pe);
1731 bits = mvpp2_prs_sram_ai_get(pe);
1733 /* Sram store classification lookup ID in AI bits [5:0] */
1734 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1742 /* Return first free tcam index, seeking from start to end */
1743 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1751 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1752 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1754 for (tid = start; tid <= end; tid++) {
1755 if (!priv->prs_shadow[tid].valid)
1762 /* Enable/disable dropping all mac da's */
1763 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1765 struct mvpp2_prs_entry pe;
1767 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1768 /* Entry exist - update port only */
1769 pe.index = MVPP2_PE_DROP_ALL;
1770 mvpp2_prs_hw_read(priv, &pe);
1772 /* Entry doesn't exist - create new */
1773 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1774 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1775 pe.index = MVPP2_PE_DROP_ALL;
1777 /* Non-promiscuous mode for all ports - DROP unknown packets */
1778 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1779 MVPP2_PRS_RI_DROP_MASK);
1781 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1782 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1784 /* Update shadow table */
1785 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1787 /* Mask all ports */
1788 mvpp2_prs_tcam_port_map_set(&pe, 0);
1791 /* Update port mask */
1792 mvpp2_prs_tcam_port_set(&pe, port, add);
1794 mvpp2_prs_hw_write(priv, &pe);
1797 /* Set port to promiscuous mode */
1798 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1800 struct mvpp2_prs_entry pe;
1802 /* Promiscuous mode - Accept unknown packets */
1804 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1805 /* Entry exist - update port only */
1806 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1807 mvpp2_prs_hw_read(priv, &pe);
1809 /* Entry doesn't exist - create new */
1810 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1811 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1812 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1814 /* Continue - set next lookup */
1815 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1817 /* Set result info bits */
1818 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1819 MVPP2_PRS_RI_L2_CAST_MASK);
1821 /* Shift to ethertype */
1822 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1823 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1825 /* Mask all ports */
1826 mvpp2_prs_tcam_port_map_set(&pe, 0);
1828 /* Update shadow table */
1829 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1832 /* Update port mask */
1833 mvpp2_prs_tcam_port_set(&pe, port, add);
1835 mvpp2_prs_hw_write(priv, &pe);
1838 /* Accept multicast */
1839 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1842 struct mvpp2_prs_entry pe;
1843 unsigned char da_mc;
1845 /* Ethernet multicast address first byte is
1846 * 0x01 for IPv4 and 0x33 for IPv6
1848 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1850 if (priv->prs_shadow[index].valid) {
1851 /* Entry exist - update port only */
1853 mvpp2_prs_hw_read(priv, &pe);
1855 /* Entry doesn't exist - create new */
1856 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1857 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1860 /* Continue - set next lookup */
1861 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1863 /* Set result info bits */
1864 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1865 MVPP2_PRS_RI_L2_CAST_MASK);
1867 /* Update tcam entry data first byte */
1868 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1870 /* Shift to ethertype */
1871 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1872 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1874 /* Mask all ports */
1875 mvpp2_prs_tcam_port_map_set(&pe, 0);
1877 /* Update shadow table */
1878 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1881 /* Update port mask */
1882 mvpp2_prs_tcam_port_set(&pe, port, add);
1884 mvpp2_prs_hw_write(priv, &pe);
1887 /* Parser per-port initialization */
1888 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1889 int lu_max, int offset)
1894 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1895 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1896 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1897 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1899 /* Set maximum number of loops for packet received from port */
1900 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1901 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1902 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1903 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1905 /* Set initial offset for packet header extraction for the first
1908 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1909 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1910 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1911 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1914 /* Default flow entries initialization for all ports */
1915 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1917 struct mvpp2_prs_entry pe;
1920 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1921 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1922 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1923 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1925 /* Mask all ports */
1926 mvpp2_prs_tcam_port_map_set(&pe, 0);
1929 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1930 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1932 /* Update shadow table and hw entry */
1933 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1934 mvpp2_prs_hw_write(priv, &pe);
1938 /* Set default entry for Marvell Header field */
1939 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1941 struct mvpp2_prs_entry pe;
1943 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1945 pe.index = MVPP2_PE_MH_DEFAULT;
1946 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1947 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1948 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1949 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1951 /* Unmask all ports */
1952 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1954 /* Update shadow table and hw entry */
1955 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1956 mvpp2_prs_hw_write(priv, &pe);
1959 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1960 * multicast MAC addresses
1962 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1964 struct mvpp2_prs_entry pe;
1966 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1968 /* Non-promiscuous mode for all ports - DROP unknown packets */
1969 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1970 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1972 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1973 MVPP2_PRS_RI_DROP_MASK);
1974 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1975 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1977 /* Unmask all ports */
1978 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1980 /* Update shadow table and hw entry */
1981 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1982 mvpp2_prs_hw_write(priv, &pe);
1984 /* place holders only - no ports */
1985 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1986 mvpp2_prs_mac_promisc_set(priv, 0, false);
1987 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1988 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1991 /* Match basic ethertypes */
1992 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1994 struct mvpp2_prs_entry pe;
1997 /* Ethertype: PPPoE */
1998 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1999 MVPP2_PE_LAST_FREE_TID);
2003 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2004 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2007 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
2009 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
2010 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2011 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
2012 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
2013 MVPP2_PRS_RI_PPPOE_MASK);
2015 /* Update shadow table and hw entry */
2016 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2017 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2018 priv->prs_shadow[pe.index].finish = false;
2019 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2020 MVPP2_PRS_RI_PPPOE_MASK);
2021 mvpp2_prs_hw_write(priv, &pe);
2023 /* Ethertype: ARP */
2024 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2025 MVPP2_PE_LAST_FREE_TID);
2029 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2030 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2033 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2035 /* Generate flow in the next iteration*/
2036 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2037 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2038 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2039 MVPP2_PRS_RI_L3_PROTO_MASK);
2041 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2043 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2045 /* Update shadow table and hw entry */
2046 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2047 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2048 priv->prs_shadow[pe.index].finish = true;
2049 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2050 MVPP2_PRS_RI_L3_PROTO_MASK);
2051 mvpp2_prs_hw_write(priv, &pe);
2053 /* Ethertype: LBTD */
2054 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2055 MVPP2_PE_LAST_FREE_TID);
2059 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2060 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2063 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2065 /* Generate flow in the next iteration*/
2066 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2067 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2068 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2069 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2070 MVPP2_PRS_RI_CPU_CODE_MASK |
2071 MVPP2_PRS_RI_UDF3_MASK);
2073 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2075 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2077 /* Update shadow table and hw entry */
2078 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2079 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2080 priv->prs_shadow[pe.index].finish = true;
2081 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2082 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2083 MVPP2_PRS_RI_CPU_CODE_MASK |
2084 MVPP2_PRS_RI_UDF3_MASK);
2085 mvpp2_prs_hw_write(priv, &pe);
2087 /* Ethertype: IPv4 without options */
2088 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2089 MVPP2_PE_LAST_FREE_TID);
2093 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2094 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2097 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2098 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2099 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2100 MVPP2_PRS_IPV4_HEAD_MASK |
2101 MVPP2_PRS_IPV4_IHL_MASK);
2103 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2104 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2105 MVPP2_PRS_RI_L3_PROTO_MASK);
2106 /* Skip eth_type + 4 bytes of IP header */
2107 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2108 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2110 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2112 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2114 /* Update shadow table and hw entry */
2115 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2116 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2117 priv->prs_shadow[pe.index].finish = false;
2118 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2119 MVPP2_PRS_RI_L3_PROTO_MASK);
2120 mvpp2_prs_hw_write(priv, &pe);
2122 /* Ethertype: IPv4 with options */
2123 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2124 MVPP2_PE_LAST_FREE_TID);
2130 /* Clear tcam data before updating */
2131 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2132 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2134 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2135 MVPP2_PRS_IPV4_HEAD,
2136 MVPP2_PRS_IPV4_HEAD_MASK);
2138 /* Clear ri before updating */
2139 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2140 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2141 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2142 MVPP2_PRS_RI_L3_PROTO_MASK);
2144 /* Update shadow table and hw entry */
2145 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2146 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2147 priv->prs_shadow[pe.index].finish = false;
2148 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2149 MVPP2_PRS_RI_L3_PROTO_MASK);
2150 mvpp2_prs_hw_write(priv, &pe);
2152 /* Ethertype: IPv6 without options */
2153 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2154 MVPP2_PE_LAST_FREE_TID);
2158 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2159 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2162 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2164 /* Skip DIP of IPV6 header */
2165 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2166 MVPP2_MAX_L3_ADDR_SIZE,
2167 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2168 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2169 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2170 MVPP2_PRS_RI_L3_PROTO_MASK);
2172 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2174 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2176 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2177 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2178 priv->prs_shadow[pe.index].finish = false;
2179 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2180 MVPP2_PRS_RI_L3_PROTO_MASK);
2181 mvpp2_prs_hw_write(priv, &pe);
2183 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2184 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2185 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2186 pe.index = MVPP2_PE_ETH_TYPE_UN;
2188 /* Unmask all ports */
2189 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2191 /* Generate flow in the next iteration*/
2192 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2193 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2194 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2195 MVPP2_PRS_RI_L3_PROTO_MASK);
2196 /* Set L3 offset even it's unknown L3 */
2197 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2199 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2201 /* Update shadow table and hw entry */
2202 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2203 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2204 priv->prs_shadow[pe.index].finish = true;
2205 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2206 MVPP2_PRS_RI_L3_PROTO_MASK);
2207 mvpp2_prs_hw_write(priv, &pe);
2212 /* Parser default initialization */
2213 static int mvpp2_prs_default_init(struct udevice *dev,
2218 /* Enable tcam table */
2219 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2221 /* Clear all tcam and sram entries */
2222 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2223 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2224 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2225 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2227 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2228 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2229 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2232 /* Invalidate all tcam entries */
2233 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2234 mvpp2_prs_hw_inv(priv, index);
2236 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2237 sizeof(struct mvpp2_prs_shadow),
2239 if (!priv->prs_shadow)
2242 /* Always start from lookup = 0 */
2243 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2244 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2245 MVPP2_PRS_PORT_LU_MAX, 0);
2247 mvpp2_prs_def_flow_init(priv);
2249 mvpp2_prs_mh_init(priv);
2251 mvpp2_prs_mac_init(priv);
2253 err = mvpp2_prs_etype_init(priv);
2260 /* Compare MAC DA with tcam entry data */
2261 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2262 const u8 *da, unsigned char *mask)
2264 unsigned char tcam_byte, tcam_mask;
2267 for (index = 0; index < ETH_ALEN; index++) {
2268 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2269 if (tcam_mask != mask[index])
2272 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2279 /* Find tcam entry with matched pair <MAC DA, port> */
2280 static struct mvpp2_prs_entry *
2281 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2282 unsigned char *mask, int udf_type)
2284 struct mvpp2_prs_entry *pe;
2287 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2290 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2292 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2293 for (tid = MVPP2_PE_FIRST_FREE_TID;
2294 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2295 unsigned int entry_pmap;
2297 if (!priv->prs_shadow[tid].valid ||
2298 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2299 (priv->prs_shadow[tid].udf != udf_type))
2303 mvpp2_prs_hw_read(priv, pe);
2304 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2306 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2315 /* Update parser's mac da entry */
2316 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2317 const u8 *da, bool add)
2319 struct mvpp2_prs_entry *pe;
2320 unsigned int pmap, len, ri;
2321 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2324 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2325 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2326 MVPP2_PRS_UDF_MAC_DEF);
2333 /* Create new TCAM entry */
2334 /* Find first range mac entry*/
2335 for (tid = MVPP2_PE_FIRST_FREE_TID;
2336 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2337 if (priv->prs_shadow[tid].valid &&
2338 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2339 (priv->prs_shadow[tid].udf ==
2340 MVPP2_PRS_UDF_MAC_RANGE))
2343 /* Go through the all entries from first to last */
2344 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2349 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2352 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2355 /* Mask all ports */
2356 mvpp2_prs_tcam_port_map_set(pe, 0);
2359 /* Update port mask */
2360 mvpp2_prs_tcam_port_set(pe, port, add);
2362 /* Invalidate the entry if no ports are left enabled */
2363 pmap = mvpp2_prs_tcam_port_map_get(pe);
2369 mvpp2_prs_hw_inv(priv, pe->index);
2370 priv->prs_shadow[pe->index].valid = false;
2375 /* Continue - set next lookup */
2376 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2378 /* Set match on DA */
2381 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2383 /* Set result info bits */
2384 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2386 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2387 MVPP2_PRS_RI_MAC_ME_MASK);
2388 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2389 MVPP2_PRS_RI_MAC_ME_MASK);
2391 /* Shift to ethertype */
2392 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2393 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2395 /* Update shadow table and hw entry */
2396 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2397 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2398 mvpp2_prs_hw_write(priv, pe);
2405 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2409 /* Remove old parser entry */
2410 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2415 /* Add new parser entry */
2416 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2420 /* Set addr in the device */
2421 memcpy(port->dev_addr, da, ETH_ALEN);
2426 /* Set prs flow for the port */
2427 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2429 struct mvpp2_prs_entry *pe;
2432 pe = mvpp2_prs_flow_find(port->priv, port->id);
2434 /* Such entry not exist */
2436 /* Go through the all entires from last to first */
2437 tid = mvpp2_prs_tcam_first_free(port->priv,
2438 MVPP2_PE_LAST_FREE_TID,
2439 MVPP2_PE_FIRST_FREE_TID);
2443 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2447 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2451 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2452 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2454 /* Update shadow table */
2455 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2458 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2459 mvpp2_prs_hw_write(port->priv, pe);
2465 /* Classifier configuration routines */
2467 /* Update classification flow table registers */
2468 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2469 struct mvpp2_cls_flow_entry *fe)
2471 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2472 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2473 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2474 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2477 /* Update classification lookup table register */
2478 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2479 struct mvpp2_cls_lookup_entry *le)
2483 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2484 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2485 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2488 /* Classifier default initialization */
2489 static void mvpp2_cls_init(struct mvpp2 *priv)
2491 struct mvpp2_cls_lookup_entry le;
2492 struct mvpp2_cls_flow_entry fe;
2495 /* Enable classifier */
2496 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2498 /* Clear classifier flow table */
2499 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2500 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2502 mvpp2_cls_flow_write(priv, &fe);
2505 /* Clear classifier lookup table */
2507 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2510 mvpp2_cls_lookup_write(priv, &le);
2513 mvpp2_cls_lookup_write(priv, &le);
2517 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2519 struct mvpp2_cls_lookup_entry le;
2522 /* Set way for the port */
2523 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2524 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2525 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2527 /* Pick the entry to be accessed in lookup ID decoding table
2528 * according to the way and lkpid.
2530 le.lkpid = port->id;
2534 /* Set initial CPU queue for receiving packets */
2535 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2536 le.data |= port->first_rxq;
2538 /* Disable classification engines */
2539 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2541 /* Update lookup ID table entry */
2542 mvpp2_cls_lookup_write(port->priv, &le);
2545 /* Set CPU queue number for oversize packets */
2546 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2550 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2551 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2553 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2554 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2556 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2557 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2558 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2561 /* Buffer Manager configuration routines */
2564 static int mvpp2_bm_pool_create(struct udevice *dev,
2566 struct mvpp2_bm_pool *bm_pool, int size)
2570 /* Number of buffer pointers must be a multiple of 16, as per
2571 * hardware constraints
2573 if (!IS_ALIGNED(size, 16))
2576 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2577 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2578 if (!bm_pool->virt_addr)
2581 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2582 MVPP2_BM_POOL_PTR_ALIGN)) {
2583 dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n",
2584 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2588 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2589 lower_32_bits(bm_pool->dma_addr));
2590 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2592 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2593 val |= MVPP2_BM_START_MASK;
2594 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2596 bm_pool->type = MVPP2_BM_FREE;
2597 bm_pool->size = size;
2598 bm_pool->pkt_size = 0;
2599 bm_pool->buf_num = 0;
2604 /* Set pool buffer size */
2605 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2606 struct mvpp2_bm_pool *bm_pool,
2611 bm_pool->buf_size = buf_size;
2613 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2614 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2617 /* Free all buffers from the pool */
2618 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2619 struct mvpp2_bm_pool *bm_pool)
2621 bm_pool->buf_num = 0;
2625 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2627 struct mvpp2_bm_pool *bm_pool)
2631 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2632 if (bm_pool->buf_num) {
2633 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2637 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2638 val |= MVPP2_BM_STOP_MASK;
2639 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2644 static int mvpp2_bm_pools_init(struct udevice *dev,
2648 struct mvpp2_bm_pool *bm_pool;
2650 /* Create all pools with maximum size */
2651 size = MVPP2_BM_POOL_SIZE_MAX;
2652 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2653 bm_pool = &priv->bm_pools[i];
2655 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2657 goto err_unroll_pools;
2658 mvpp2_bm_pool_bufsize_set(priv, bm_pool, 0);
2663 dev_err(&pdev->dev, "failed to create BM pool %d, size %d\n", i, size);
2664 for (i = i - 1; i >= 0; i--)
2665 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2669 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2673 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2674 /* Mask BM all interrupts */
2675 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2676 /* Clear BM cause register */
2677 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2680 /* Allocate and initialize BM pools */
2681 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2682 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2683 if (!priv->bm_pools)
2686 err = mvpp2_bm_pools_init(dev, priv);
2692 /* Attach long pool to rxq */
2693 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2694 int lrxq, int long_pool)
2699 /* Get queue physical ID */
2700 prxq = port->rxqs[lrxq]->id;
2702 if (port->priv->hw_version == MVPP21)
2703 mask = MVPP21_RXQ_POOL_LONG_MASK;
2705 mask = MVPP22_RXQ_POOL_LONG_MASK;
2707 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2709 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2710 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2713 /* Set pool number in a BM cookie */
2714 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2718 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2719 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2724 /* Get pool number from a BM cookie */
2725 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2727 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2730 /* Release buffer to BM */
2731 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2732 dma_addr_t buf_dma_addr,
2733 unsigned long buf_phys_addr)
2735 if (port->priv->hw_version == MVPP22) {
2738 if (sizeof(dma_addr_t) == 8)
2739 val |= upper_32_bits(buf_dma_addr) &
2740 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2742 if (sizeof(phys_addr_t) == 8)
2743 val |= (upper_32_bits(buf_phys_addr)
2744 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2745 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2747 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2750 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2751 * returned in the "cookie" field of the RX
2752 * descriptor. Instead of storing the virtual address, we
2753 * store the physical address
2755 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2756 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2759 /* Refill BM pool */
2760 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2761 dma_addr_t dma_addr,
2762 phys_addr_t phys_addr)
2764 int pool = mvpp2_bm_cookie_pool_get(bm);
2766 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2769 /* Allocate buffers for the pool */
2770 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2771 struct mvpp2_bm_pool *bm_pool, int buf_num)
2776 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2777 netdev_err(port->dev,
2778 "cannot allocate %d buffers for pool %d\n",
2779 buf_num, bm_pool->id);
2783 for (i = 0; i < buf_num; i++) {
2784 mvpp2_bm_pool_put(port, bm_pool->id,
2785 (dma_addr_t)buffer_loc.rx_buffer[i],
2786 (unsigned long)buffer_loc.rx_buffer[i]);
2790 /* Update BM driver with number of buffers added to pool */
2791 bm_pool->buf_num += i;
2796 /* Notify the driver that BM pool is being used as specific type and return the
2797 * pool pointer on success
2799 static struct mvpp2_bm_pool *
2800 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2803 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2806 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2807 netdev_err(port->dev, "mixing pool types is forbidden\n");
2811 if (new_pool->type == MVPP2_BM_FREE)
2812 new_pool->type = type;
2814 /* Allocate buffers in case BM pool is used as long pool, but packet
2815 * size doesn't match MTU or BM pool hasn't being used yet
2817 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2818 (new_pool->pkt_size == 0)) {
2821 /* Set default buffer number or free all the buffers in case
2822 * the pool is not empty
2824 pkts_num = new_pool->buf_num;
2826 pkts_num = type == MVPP2_BM_SWF_LONG ?
2827 MVPP2_BM_LONG_BUF_NUM :
2828 MVPP2_BM_SHORT_BUF_NUM;
2830 mvpp2_bm_bufs_free(NULL,
2831 port->priv, new_pool);
2833 new_pool->pkt_size = pkt_size;
2835 /* Allocate buffers for this pool */
2836 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2837 if (num != pkts_num) {
2838 dev_err(dev, "pool %d: %d of %d allocated\n",
2839 new_pool->id, num, pkts_num);
2844 mvpp2_bm_pool_bufsize_set(port->priv, new_pool,
2845 MVPP2_RX_BUF_SIZE(new_pool->pkt_size));
2850 /* Initialize pools for swf */
2851 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2855 if (!port->pool_long) {
2857 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2860 if (!port->pool_long)
2863 port->pool_long->port_map |= (1 << port->id);
2865 for (rxq = 0; rxq < rxq_number; rxq++)
2866 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2872 /* Port configuration routines */
2874 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2878 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2880 switch (port->phy_interface) {
2881 case PHY_INTERFACE_MODE_SGMII:
2882 val |= MVPP2_GMAC_INBAND_AN_MASK;
2884 case PHY_INTERFACE_MODE_RGMII:
2885 case PHY_INTERFACE_MODE_RGMII_ID:
2886 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2888 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2891 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2894 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2898 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2899 val |= MVPP2_GMAC_FC_ADV_EN;
2900 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2903 static void mvpp2_port_enable(struct mvpp2_port *port)
2907 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2908 val |= MVPP2_GMAC_PORT_EN_MASK;
2909 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2910 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2913 static void mvpp2_port_disable(struct mvpp2_port *port)
2917 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2918 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2919 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2922 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2923 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2927 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2928 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2929 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2932 /* Configure loopback port */
2933 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2937 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2939 if (port->speed == 1000)
2940 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2942 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2944 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII)
2945 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2947 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2949 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2952 static void mvpp2_port_reset(struct mvpp2_port *port)
2956 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2957 ~MVPP2_GMAC_PORT_RESET_MASK;
2958 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2960 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2961 MVPP2_GMAC_PORT_RESET_MASK)
2965 /* Change maximum receive size of the port */
2966 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2970 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2971 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2972 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2973 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2974 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2977 /* PPv2.2 GoP/GMAC config */
2979 /* Set the MAC to reset or exit from reset */
2980 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2984 /* read - modify - write */
2985 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2987 val |= MVPP2_GMAC_PORT_RESET_MASK;
2989 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2990 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2998 * Configure port to working with Gig PCS or don't.
3000 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
3004 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3006 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3008 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3009 /* enable / disable PCS on this port */
3010 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3015 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3019 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3021 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3023 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3024 /* enable / disable PCS on this port */
3025 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3030 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3035 * Configure minimal level of the Tx FIFO before the lower part
3036 * starts to read a packet
3038 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3039 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3040 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3041 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3042 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3044 /* Disable bypass of sync module */
3045 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3046 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3047 /* configure DP clock select according to mode */
3048 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3049 /* configure QSGMII bypass according to mode */
3050 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3051 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3053 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3054 val |= MVPP2_GMAC_PORT_DIS_PADING_MASK;
3055 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3057 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3059 * Configure GIG MAC to 1000Base-X mode connected to a fiber
3062 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3063 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3065 /* configure AN 0x9268 */
3066 val = MVPP2_GMAC_EN_PCS_AN |
3067 MVPP2_GMAC_AN_BYPASS_EN |
3068 MVPP2_GMAC_CONFIG_MII_SPEED |
3069 MVPP2_GMAC_CONFIG_GMII_SPEED |
3070 MVPP2_GMAC_FC_ADV_EN |
3071 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3072 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3073 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3076 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3081 * Configure minimal level of the Tx FIFO before the lower part
3082 * starts to read a packet
3084 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3085 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3086 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3087 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3088 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3090 /* Disable bypass of sync module */
3091 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3092 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3093 /* configure DP clock select according to mode */
3094 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3095 /* configure QSGMII bypass according to mode */
3096 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3097 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3099 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3100 val |= MVPP2_GMAC_PORT_DIS_PADING_MASK;
3101 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3103 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3104 /* configure GIG MAC to SGMII mode */
3105 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3106 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3109 val = MVPP2_GMAC_EN_PCS_AN |
3110 MVPP2_GMAC_AN_BYPASS_EN |
3111 MVPP2_GMAC_AN_SPEED_EN |
3112 MVPP2_GMAC_EN_FC_AN |
3113 MVPP2_GMAC_AN_DUPLEX_EN |
3114 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3115 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3118 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3123 * Configure minimal level of the Tx FIFO before the lower part
3124 * starts to read a packet
3126 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3127 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3128 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3129 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3130 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3132 /* Disable bypass of sync module */
3133 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3134 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3135 /* configure DP clock select according to mode */
3136 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3137 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3138 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3139 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3141 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3142 val &= ~MVPP2_GMAC_PORT_DIS_PADING_MASK;
3143 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3145 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3146 /* configure GIG MAC to SGMII mode */
3147 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3148 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3150 /* configure AN 0xb8e8 */
3151 val = MVPP2_GMAC_AN_BYPASS_EN |
3152 MVPP2_GMAC_AN_SPEED_EN |
3153 MVPP2_GMAC_EN_FC_AN |
3154 MVPP2_GMAC_AN_DUPLEX_EN |
3155 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3156 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3159 /* Set the internal mux's to the required MAC in the GOP */
3160 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3164 /* Set TX FIFO thresholds */
3165 switch (port->phy_interface) {
3166 case PHY_INTERFACE_MODE_SGMII:
3167 if (port->phy_speed == 2500)
3168 gop_gmac_sgmii2_5_cfg(port);
3170 gop_gmac_sgmii_cfg(port);
3173 case PHY_INTERFACE_MODE_RGMII:
3174 case PHY_INTERFACE_MODE_RGMII_ID:
3175 gop_gmac_rgmii_cfg(port);
3182 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3183 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3184 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3185 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3186 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3188 /* PeriodicXonEn disable */
3189 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3190 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3191 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3196 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3200 /* relevant only for MAC0 (XLG0 and GMAC0) */
3201 if (port->gop_id > 0)
3204 /* configure 1Gig MAC mode */
3205 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3206 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3207 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3208 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3211 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3215 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3217 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3219 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3220 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3225 /* Set the internal mux's to the required PCS in the PI */
3226 static int gop_xpcs_mode(struct mvpp2_port *port, int num_of_lanes)
3231 switch (num_of_lanes) {
3245 /* configure XG MAC mode */
3246 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3247 val &= ~MVPP22_XPCS_PCSMODE_OFFS;
3248 val &= ~MVPP22_XPCS_LANEACTIVE_MASK;
3249 val |= (2 * lane) << MVPP22_XPCS_LANEACTIVE_OFFS;
3250 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3255 static int gop_mpcs_mode(struct mvpp2_port *port)
3259 /* configure PCS40G COMMON CONTROL */
3260 val = readl(port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3261 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3262 writel(val, port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3264 /* configure PCS CLOCK RESET */
3265 val = readl(port->priv->mpcs_base + PCS_CLOCK_RESET);
3266 val &= ~CLK_DIVISION_RATIO_MASK;
3267 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3268 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3270 val &= ~CLK_DIV_PHASE_SET_MASK;
3271 val |= MAC_CLK_RESET_MASK;
3272 val |= RX_SD_CLK_RESET_MASK;
3273 val |= TX_SD_CLK_RESET_MASK;
3274 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3279 /* Set the internal mux's to the required MAC in the GOP */
3280 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3284 /* configure 10G MAC mode */
3285 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3286 val |= MVPP22_XLG_RX_FC_EN;
3287 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3289 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3290 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3291 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3292 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3294 /* read - modify - write */
3295 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3296 val &= ~MVPP22_XLG_MODE_DMA_1G;
3297 val |= MVPP22_XLG_FORWARD_PFC_EN;
3298 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3299 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3300 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3302 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3303 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3304 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3305 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3306 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3308 /* unmask link change interrupt */
3309 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3310 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3311 val |= 1; /* unmask summary bit */
3312 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3317 /* Set PCS to reset or exit from reset */
3318 static int gop_xpcs_reset(struct mvpp2_port *port, int reset)
3322 /* read - modify - write */
3323 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3325 val &= ~MVPP22_XPCS_PCSRESET;
3327 val |= MVPP22_XPCS_PCSRESET;
3328 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3333 /* Set the MAC to reset or exit from reset */
3334 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3338 /* read - modify - write */
3339 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3341 val &= ~MVPP22_XLG_MAC_RESETN;
3343 val |= MVPP22_XLG_MAC_RESETN;
3344 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3352 * Init physical port. Configures the port mode and all it's elements
3354 * Does not verify that the selected mode/port number is valid at the
3357 static int gop_port_init(struct mvpp2_port *port)
3359 int mac_num = port->gop_id;
3360 int num_of_act_lanes;
3362 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3363 netdev_err(NULL, "%s: illegal port number %d", __func__,
3368 switch (port->phy_interface) {
3369 case PHY_INTERFACE_MODE_RGMII:
3370 case PHY_INTERFACE_MODE_RGMII_ID:
3371 gop_gmac_reset(port, 1);
3374 gop_gpcs_mode_cfg(port, 0);
3375 gop_bypass_clk_cfg(port, 1);
3378 gop_gmac_mode_cfg(port);
3380 gop_gpcs_reset(port, 0);
3383 gop_gmac_reset(port, 0);
3386 case PHY_INTERFACE_MODE_SGMII:
3388 gop_gpcs_mode_cfg(port, 1);
3391 gop_gmac_mode_cfg(port);
3392 /* select proper Mac mode */
3393 gop_xlg_2_gig_mac_cfg(port);
3396 gop_gpcs_reset(port, 0);
3398 gop_gmac_reset(port, 0);
3401 case PHY_INTERFACE_MODE_SFI:
3402 num_of_act_lanes = 2;
3405 gop_xpcs_mode(port, num_of_act_lanes);
3406 gop_mpcs_mode(port);
3408 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3411 gop_xpcs_reset(port, 0);
3414 gop_xlg_mac_reset(port, 0);
3418 netdev_err(NULL, "%s: Requested port mode (%d) not supported\n",
3419 __func__, port->phy_interface);
3426 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3430 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3432 /* Enable port and MIB counters update */
3433 val |= MVPP22_XLG_PORT_EN;
3434 val &= ~MVPP22_XLG_MIBCNT_DIS;
3437 val &= ~MVPP22_XLG_PORT_EN;
3439 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3442 static void gop_port_enable(struct mvpp2_port *port, int enable)
3444 switch (port->phy_interface) {
3445 case PHY_INTERFACE_MODE_RGMII:
3446 case PHY_INTERFACE_MODE_RGMII_ID:
3447 case PHY_INTERFACE_MODE_SGMII:
3449 mvpp2_port_enable(port);
3451 mvpp2_port_disable(port);
3454 case PHY_INTERFACE_MODE_SFI:
3455 gop_xlg_mac_port_enable(port, enable);
3459 netdev_err(NULL, "%s: Wrong port mode (%d)\n", __func__,
3460 port->phy_interface);
3465 /* RFU1 functions */
3466 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3468 return readl(priv->rfu1_base + offset);
3471 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3473 writel(data, priv->rfu1_base + offset);
3476 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3481 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3482 val |= MV_NETC_GE_MAC2_SGMII;
3486 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3487 val |= MV_NETC_GE_MAC3_SGMII;
3488 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3489 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3490 val |= MV_NETC_GE_MAC3_RGMII;
3496 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3500 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3501 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3503 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3504 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3508 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3511 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3515 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3516 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3518 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3519 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3523 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3526 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3530 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3531 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3533 val <<= NETC_GOP_SOFT_RESET_OFFS;
3534 val &= NETC_GOP_SOFT_RESET_MASK;
3538 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3541 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3545 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3546 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3548 val <<= NETC_CLK_DIV_PHASE_OFFS;
3549 val &= NETC_CLK_DIV_PHASE_MASK;
3553 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3556 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3560 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3561 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3563 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3564 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3568 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3571 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3574 u32 reg, mask, offset;
3577 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3578 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3580 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3581 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3583 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3591 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3594 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3598 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3599 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3601 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3602 val &= NETC_BUS_WIDTH_SELECT_MASK;
3606 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3609 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3613 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3614 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3616 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3617 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3621 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3624 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3625 enum mv_netc_phase phase)
3628 case MV_NETC_FIRST_PHASE:
3629 /* Set Bus Width to HB mode = 1 */
3630 gop_netc_bus_width_select(priv, 1);
3631 /* Select RGMII mode */
3632 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3635 case MV_NETC_SECOND_PHASE:
3636 /* De-assert the relevant port HB reset */
3637 gop_netc_port_rf_reset(priv, gop_id, 1);
3642 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3643 enum mv_netc_phase phase)
3646 case MV_NETC_FIRST_PHASE:
3647 /* Set Bus Width to HB mode = 1 */
3648 gop_netc_bus_width_select(priv, 1);
3649 /* Select SGMII mode */
3651 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3655 /* Configure the sample stages */
3656 gop_netc_sample_stages_timing(priv, 0);
3657 /* Configure the ComPhy Selector */
3658 /* gop_netc_com_phy_selector_config(netComplex); */
3661 case MV_NETC_SECOND_PHASE:
3662 /* De-assert the relevant port HB reset */
3663 gop_netc_port_rf_reset(priv, gop_id, 1);
3668 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3670 u32 c = priv->netc_config;
3672 if (c & MV_NETC_GE_MAC2_SGMII)
3673 gop_netc_mac_to_sgmii(priv, 2, phase);
3675 gop_netc_mac_to_xgmii(priv, 2, phase);
3677 if (c & MV_NETC_GE_MAC3_SGMII) {
3678 gop_netc_mac_to_sgmii(priv, 3, phase);
3680 gop_netc_mac_to_xgmii(priv, 3, phase);
3681 if (c & MV_NETC_GE_MAC3_RGMII)
3682 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3684 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3687 /* Activate gop ports 0, 2, 3 */
3688 gop_netc_active_port(priv, 0, 1);
3689 gop_netc_active_port(priv, 2, 1);
3690 gop_netc_active_port(priv, 3, 1);
3692 if (phase == MV_NETC_SECOND_PHASE) {
3693 /* Enable the GOP internal clock logic */
3694 gop_netc_gop_clock_logic_set(priv, 1);
3695 /* De-assert GOP unit reset */
3696 gop_netc_gop_reset(priv, 1);
3702 /* Set defaults to the MVPP2 port */
3703 static void mvpp2_defaults_set(struct mvpp2_port *port)
3705 int tx_port_num, val, queue, ptxq, lrxq;
3707 if (port->priv->hw_version == MVPP21) {
3708 /* Configure port to loopback if needed */
3709 if (port->flags & MVPP2_F_LOOPBACK)
3710 mvpp2_port_loopback_set(port);
3712 /* Update TX FIFO MIN Threshold */
3713 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3714 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3715 /* Min. TX threshold must be less than minimal packet length */
3716 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3717 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3720 /* Disable Legacy WRR, Disable EJP, Release from reset */
3721 tx_port_num = mvpp2_egress_port(port);
3722 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3724 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3726 /* Close bandwidth for all queues */
3727 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3728 ptxq = mvpp2_txq_phys(port->id, queue);
3729 mvpp2_write(port->priv,
3730 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3733 /* Set refill period to 1 usec, refill tokens
3734 * and bucket size to maximum
3736 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3737 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3738 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3739 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3740 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3741 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3742 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3743 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3745 /* Set MaximumLowLatencyPacketSize value to 256 */
3746 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3747 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3748 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3750 /* Enable Rx cache snoop */
3751 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3752 queue = port->rxqs[lrxq]->id;
3753 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3754 val |= MVPP2_SNOOP_PKT_SIZE_MASK |
3755 MVPP2_SNOOP_BUF_HDR_MASK;
3756 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3760 /* Enable/disable receiving packets */
3761 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3766 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3767 queue = port->rxqs[lrxq]->id;
3768 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3769 val &= ~MVPP2_RXQ_DISABLE_MASK;
3770 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3774 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3779 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3780 queue = port->rxqs[lrxq]->id;
3781 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3782 val |= MVPP2_RXQ_DISABLE_MASK;
3783 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3787 /* Enable transmit via physical egress queue
3788 * - HW starts take descriptors from DRAM
3790 static void mvpp2_egress_enable(struct mvpp2_port *port)
3794 int tx_port_num = mvpp2_egress_port(port);
3796 /* Enable all initialized TXs. */
3798 for (queue = 0; queue < txq_number; queue++) {
3799 struct mvpp2_tx_queue *txq = port->txqs[queue];
3801 if (txq->descs != NULL)
3802 qmap |= (1 << queue);
3805 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3806 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3809 /* Disable transmit via physical egress queue
3810 * - HW doesn't take descriptors from DRAM
3812 static void mvpp2_egress_disable(struct mvpp2_port *port)
3816 int tx_port_num = mvpp2_egress_port(port);
3818 /* Issue stop command for active channels only */
3819 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3820 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3821 MVPP2_TXP_SCHED_ENQ_MASK;
3823 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3824 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3826 /* Wait for all Tx activity to terminate. */
3829 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3830 netdev_warn(port->dev,
3831 "Tx stop timed out, status=0x%08x\n",
3838 /* Check port TX Command register that all
3839 * Tx queues are stopped
3841 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3842 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3845 /* Rx descriptors helper methods */
3847 /* Get number of Rx descriptors occupied by received packets */
3849 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3851 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3853 return val & MVPP2_RXQ_OCCUPIED_MASK;
3856 /* Update Rx queue status with the number of occupied and available
3857 * Rx descriptor slots.
3860 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3861 int used_count, int free_count)
3863 /* Decrement the number of used descriptors and increment count
3864 * increment the number of free descriptors.
3866 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3868 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3871 /* Get pointer to next RX descriptor to be processed by SW */
3872 static inline struct mvpp2_rx_desc *
3873 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3875 int rx_desc = rxq->next_desc_to_proc;
3877 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3878 prefetch(rxq->descs + rxq->next_desc_to_proc);
3879 return rxq->descs + rx_desc;
3882 /* Set rx queue offset */
3883 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3884 int prxq, int offset)
3888 /* Convert offset from bytes to units of 32 bytes */
3889 offset = offset >> 5;
3891 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3892 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3895 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3896 MVPP2_RXQ_PACKET_OFFSET_MASK);
3898 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3901 /* Obtain BM cookie information from descriptor */
3902 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3903 struct mvpp2_rx_desc *rx_desc)
3905 int cpu = smp_processor_id();
3908 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3909 MVPP2_RXD_BM_POOL_ID_MASK) >>
3910 MVPP2_RXD_BM_POOL_ID_OFFS;
3912 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3913 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3916 /* Tx descriptors helper methods */
3918 /* Get number of Tx descriptors waiting to be transmitted by HW */
3919 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3920 struct mvpp2_tx_queue *txq)
3924 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3925 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3927 return val & MVPP2_TXQ_PENDING_MASK;
3930 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3931 static struct mvpp2_tx_desc *
3932 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3934 int tx_desc = txq->next_desc_to_proc;
3936 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3937 return txq->descs + tx_desc;
3940 /* Update HW with number of aggregated Tx descriptors to be sent */
3941 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3943 /* aggregated access - relevant TXQ number is written in TX desc */
3944 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3947 /* Get number of sent descriptors and decrement counter.
3948 * The number of sent descriptors is returned.
3951 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
3952 struct mvpp2_tx_queue *txq)
3956 /* Reading status reg resets transmitted descriptor counter */
3957 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
3959 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
3960 MVPP2_TRANSMITTED_COUNT_OFFSET;
3963 static void mvpp2_txq_sent_counter_clear(void *arg)
3965 struct mvpp2_port *port = arg;
3968 for (queue = 0; queue < txq_number; queue++) {
3969 int id = port->txqs[queue]->id;
3971 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
3975 /* Set max sizes for Tx queues */
3976 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
3979 int txq, tx_port_num;
3981 mtu = port->pkt_size * 8;
3982 if (mtu > MVPP2_TXP_MTU_MAX)
3983 mtu = MVPP2_TXP_MTU_MAX;
3985 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
3988 /* Indirect access to registers */
3989 tx_port_num = mvpp2_egress_port(port);
3990 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3993 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
3994 val &= ~MVPP2_TXP_MTU_MAX;
3996 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
3998 /* TXP token size and all TXQs token size must be larger that MTU */
3999 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
4000 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
4003 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
4005 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
4008 for (txq = 0; txq < txq_number; txq++) {
4009 val = mvpp2_read(port->priv,
4010 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
4011 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
4015 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
4017 mvpp2_write(port->priv,
4018 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4024 /* Free Tx queue skbuffs */
4025 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4026 struct mvpp2_tx_queue *txq,
4027 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4031 for (i = 0; i < num; i++)
4032 mvpp2_txq_inc_get(txq_pcpu);
4035 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4038 int queue = fls(cause) - 1;
4040 return port->rxqs[queue];
4043 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4046 int queue = fls(cause) - 1;
4048 return port->txqs[queue];
4051 /* Rx/Tx queue initialization/cleanup methods */
4053 /* Allocate and initialize descriptors for aggr TXQ */
4054 static int mvpp2_aggr_txq_init(struct udevice *dev,
4055 struct mvpp2_tx_queue *aggr_txq,
4056 int desc_num, int cpu,
4061 /* Allocate memory for TX descriptors */
4062 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4063 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4064 if (!aggr_txq->descs)
4067 /* Make sure descriptor address is cache line size aligned */
4068 BUG_ON(aggr_txq->descs !=
4069 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4071 aggr_txq->last_desc = aggr_txq->size - 1;
4073 /* Aggr TXQ no reset WA */
4074 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4075 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4077 /* Set Tx descriptors queue starting address indirect
4080 if (priv->hw_version == MVPP21)
4081 txq_dma = aggr_txq->descs_dma;
4083 txq_dma = aggr_txq->descs_dma >>
4084 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4086 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4087 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4092 /* Create a specified Rx queue */
4093 static int mvpp2_rxq_init(struct mvpp2_port *port,
4094 struct mvpp2_rx_queue *rxq)
4099 rxq->size = port->rx_ring_size;
4101 /* Allocate memory for RX descriptors */
4102 rxq->descs = buffer_loc.rx_descs;
4103 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4107 BUG_ON(rxq->descs !=
4108 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4110 rxq->last_desc = rxq->size - 1;
4112 /* Zero occupied and non-occupied counters - direct access */
4113 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4115 /* Set Rx descriptors queue starting address - indirect access */
4116 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4117 if (port->priv->hw_version == MVPP21)
4118 rxq_dma = rxq->descs_dma;
4120 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4121 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4122 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4123 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4126 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4128 /* Add number of descriptors ready for receiving packets */
4129 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4134 /* Push packets received by the RXQ to BM pool */
4135 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4136 struct mvpp2_rx_queue *rxq)
4140 rx_received = mvpp2_rxq_received(port, rxq->id);
4144 for (i = 0; i < rx_received; i++) {
4145 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4146 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4148 mvpp2_pool_refill(port, bm,
4149 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4150 mvpp2_rxdesc_cookie_get(port, rx_desc));
4152 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4155 /* Cleanup Rx queue */
4156 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4157 struct mvpp2_rx_queue *rxq)
4159 mvpp2_rxq_drop_pkts(port, rxq);
4163 rxq->next_desc_to_proc = 0;
4166 /* Clear Rx descriptors queue starting address and size;
4167 * free descriptor number
4169 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4170 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4171 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4172 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4175 /* Create and initialize a Tx queue */
4176 static int mvpp2_txq_init(struct mvpp2_port *port,
4177 struct mvpp2_tx_queue *txq)
4180 int cpu, desc, desc_per_txq, tx_port_num;
4181 struct mvpp2_txq_pcpu *txq_pcpu;
4183 txq->size = port->tx_ring_size;
4185 /* Allocate memory for Tx descriptors */
4186 txq->descs = buffer_loc.tx_descs;
4187 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4191 /* Make sure descriptor address is cache line size aligned */
4192 BUG_ON(txq->descs !=
4193 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4195 txq->last_desc = txq->size - 1;
4197 /* Set Tx descriptors queue starting address - indirect access */
4198 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4199 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4200 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4201 MVPP2_TXQ_DESC_SIZE_MASK);
4202 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4203 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4204 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4205 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4206 val &= ~MVPP2_TXQ_PENDING_MASK;
4207 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4209 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4210 * for each existing TXQ.
4211 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4212 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4215 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4216 (txq->log_id * desc_per_txq);
4218 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4219 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4220 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4222 /* WRR / EJP configuration - indirect access */
4223 tx_port_num = mvpp2_egress_port(port);
4224 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4226 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4227 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4228 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4229 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4230 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4232 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4233 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4236 for_each_present_cpu(cpu) {
4237 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4238 txq_pcpu->size = txq->size;
4244 /* Free allocated TXQ resources */
4245 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4246 struct mvpp2_tx_queue *txq)
4250 txq->next_desc_to_proc = 0;
4253 /* Set minimum bandwidth for disabled TXQs */
4254 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4256 /* Set Tx descriptors queue starting address and size */
4257 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4258 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4259 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4262 /* Cleanup Tx ports */
4263 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4265 struct mvpp2_txq_pcpu *txq_pcpu;
4266 int delay, pending, cpu;
4269 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4270 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4271 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4272 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4274 /* The napi queue has been stopped so wait for all packets
4275 * to be transmitted.
4279 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4280 netdev_warn(port->dev,
4281 "port %d: cleaning queue %d timed out\n",
4282 port->id, txq->log_id);
4288 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4291 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4292 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4294 for_each_present_cpu(cpu) {
4295 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4297 /* Release all packets */
4298 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4301 txq_pcpu->count = 0;
4302 txq_pcpu->txq_put_index = 0;
4303 txq_pcpu->txq_get_index = 0;
4307 /* Cleanup all Tx queues */
4308 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4310 struct mvpp2_tx_queue *txq;
4314 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4316 /* Reset Tx ports and delete Tx queues */
4317 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4318 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4320 for (queue = 0; queue < txq_number; queue++) {
4321 txq = port->txqs[queue];
4322 mvpp2_txq_clean(port, txq);
4323 mvpp2_txq_deinit(port, txq);
4326 mvpp2_txq_sent_counter_clear(port);
4328 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4329 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4332 /* Cleanup all Rx queues */
4333 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4337 for (queue = 0; queue < rxq_number; queue++)
4338 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4341 /* Init all Rx queues for port */
4342 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4346 for (queue = 0; queue < rxq_number; queue++) {
4347 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4354 mvpp2_cleanup_rxqs(port);
4358 /* Init all tx queues for port */
4359 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4361 struct mvpp2_tx_queue *txq;
4364 for (queue = 0; queue < txq_number; queue++) {
4365 txq = port->txqs[queue];
4366 err = mvpp2_txq_init(port, txq);
4371 mvpp2_txq_sent_counter_clear(port);
4375 mvpp2_cleanup_txqs(port);
4380 static void mvpp2_link_event(struct mvpp2_port *port)
4382 struct phy_device *phydev = port->phy_dev;
4383 int status_change = 0;
4387 if ((port->speed != phydev->speed) ||
4388 (port->duplex != phydev->duplex)) {
4391 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4392 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4393 MVPP2_GMAC_CONFIG_GMII_SPEED |
4394 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4395 MVPP2_GMAC_AN_SPEED_EN |
4396 MVPP2_GMAC_AN_DUPLEX_EN);
4399 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4401 if (phydev->speed == SPEED_1000)
4402 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4403 else if (phydev->speed == SPEED_100)
4404 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4406 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4408 port->duplex = phydev->duplex;
4409 port->speed = phydev->speed;
4413 if (phydev->link != port->link) {
4414 if (!phydev->link) {
4419 port->link = phydev->link;
4423 if (status_change) {
4425 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4426 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4427 MVPP2_GMAC_FORCE_LINK_DOWN);
4428 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4429 mvpp2_egress_enable(port);
4430 mvpp2_ingress_enable(port);
4432 mvpp2_ingress_disable(port);
4433 mvpp2_egress_disable(port);
4438 /* Main RX/TX processing routines */
4440 /* Display more error info */
4441 static void mvpp2_rx_error(struct mvpp2_port *port,
4442 struct mvpp2_rx_desc *rx_desc)
4444 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4445 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4447 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4448 case MVPP2_RXD_ERR_CRC:
4449 netdev_err(port->dev, "bad rx status %08x (crc error), size=%zu\n",
4452 case MVPP2_RXD_ERR_OVERRUN:
4453 netdev_err(port->dev, "bad rx status %08x (overrun error), size=%zu\n",
4456 case MVPP2_RXD_ERR_RESOURCE:
4457 netdev_err(port->dev, "bad rx status %08x (resource error), size=%zu\n",
4463 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4464 static int mvpp2_rx_refill(struct mvpp2_port *port,
4465 struct mvpp2_bm_pool *bm_pool,
4466 u32 bm, dma_addr_t dma_addr)
4468 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4472 /* Set hw internals when starting port */
4473 static void mvpp2_start_dev(struct mvpp2_port *port)
4475 mvpp2_gmac_max_rx_size_set(port);
4476 mvpp2_txp_max_tx_size_set(port);
4478 if (port->priv->hw_version == MVPP21)
4479 mvpp2_port_enable(port);
4481 gop_port_enable(port, 1);
4484 /* Set hw internals when stopping port */
4485 static void mvpp2_stop_dev(struct mvpp2_port *port)
4487 /* Stop new packets from arriving to RXQs */
4488 mvpp2_ingress_disable(port);
4490 mvpp2_egress_disable(port);
4492 if (port->priv->hw_version == MVPP21)
4493 mvpp2_port_disable(port);
4495 gop_port_enable(port, 0);
4498 static int mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4500 struct phy_device *phy_dev;
4502 if (!port->init || port->link == 0) {
4503 phy_dev = phy_connect(port->priv->bus, port->phyaddr, dev,
4504 port->phy_interface);
4505 port->phy_dev = phy_dev;
4507 netdev_err(port->dev, "cannot connect to phy\n");
4510 phy_dev->supported &= PHY_GBIT_FEATURES;
4511 phy_dev->advertising = phy_dev->supported;
4513 port->phy_dev = phy_dev;
4518 phy_config(phy_dev);
4519 phy_startup(phy_dev);
4520 if (!phy_dev->link) {
4521 printf("%s: No link\n", phy_dev->dev->name);
4527 mvpp2_egress_enable(port);
4528 mvpp2_ingress_enable(port);
4534 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4536 unsigned char mac_bcast[ETH_ALEN] = {
4537 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4540 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4542 netdev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4545 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4546 port->dev_addr, true);
4548 netdev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4551 err = mvpp2_prs_def_flow(port);
4553 netdev_err(dev, "mvpp2_prs_def_flow failed\n");
4557 /* Allocate the Rx/Tx queues */
4558 err = mvpp2_setup_rxqs(port);
4560 netdev_err(port->dev, "cannot allocate Rx queues\n");
4564 err = mvpp2_setup_txqs(port);
4566 netdev_err(port->dev, "cannot allocate Tx queues\n");
4570 err = mvpp2_phy_connect(dev, port);
4574 mvpp2_link_event(port);
4576 mvpp2_start_dev(port);
4581 /* No Device ops here in U-Boot */
4583 /* Driver initialization */
4585 static void mvpp2_port_power_up(struct mvpp2_port *port)
4587 struct mvpp2 *priv = port->priv;
4589 /* On PPv2.2 the GoP / interface configuration has already been done */
4590 if (priv->hw_version == MVPP21)
4591 mvpp2_port_mii_set(port);
4592 mvpp2_port_periodic_xon_disable(port);
4593 if (priv->hw_version == MVPP21)
4594 mvpp2_port_fc_adv_enable(port);
4595 mvpp2_port_reset(port);
4598 /* Initialize port HW */
4599 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4601 struct mvpp2 *priv = port->priv;
4602 struct mvpp2_txq_pcpu *txq_pcpu;
4603 int queue, cpu, err;
4605 if (port->first_rxq + rxq_number >
4606 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4610 mvpp2_egress_disable(port);
4611 if (priv->hw_version == MVPP21)
4612 mvpp2_port_disable(port);
4614 gop_port_enable(port, 0);
4616 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4621 /* Associate physical Tx queues to this port and initialize.
4622 * The mapping is predefined.
4624 for (queue = 0; queue < txq_number; queue++) {
4625 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4626 struct mvpp2_tx_queue *txq;
4628 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4632 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4637 txq->id = queue_phy_id;
4638 txq->log_id = queue;
4639 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4640 for_each_present_cpu(cpu) {
4641 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4642 txq_pcpu->cpu = cpu;
4645 port->txqs[queue] = txq;
4648 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4653 /* Allocate and initialize Rx queue for this port */
4654 for (queue = 0; queue < rxq_number; queue++) {
4655 struct mvpp2_rx_queue *rxq;
4657 /* Map physical Rx queue to port's logical Rx queue */
4658 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4661 /* Map this Rx queue to a physical queue */
4662 rxq->id = port->first_rxq + queue;
4663 rxq->port = port->id;
4664 rxq->logic_rxq = queue;
4666 port->rxqs[queue] = rxq;
4669 /* Configure Rx queue group interrupt for this port */
4670 if (priv->hw_version == MVPP21) {
4671 mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(port->id),
4676 val = (port->id << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
4677 mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
4679 val = (CONFIG_MV_ETH_RXQ <<
4680 MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET);
4681 mvpp2_write(priv, MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG, val);
4684 /* Create Rx descriptor rings */
4685 for (queue = 0; queue < rxq_number; queue++) {
4686 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4688 rxq->size = port->rx_ring_size;
4689 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4690 rxq->time_coal = MVPP2_RX_COAL_USEC;
4693 mvpp2_ingress_disable(port);
4695 /* Port default configuration */
4696 mvpp2_defaults_set(port);
4698 /* Port's classifier configuration */
4699 mvpp2_cls_oversize_rxq_set(port);
4700 mvpp2_cls_port_config(port);
4702 /* Provide an initial Rx packet size */
4703 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4705 /* Initialize pools for swf */
4706 err = mvpp2_swf_bm_pool_init(port);
4713 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4715 int port_node = dev_of_offset(dev);
4716 const char *phy_mode_str;
4722 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4724 dev_err(&pdev->dev, "missing phy\n");
4728 phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
4730 phy_mode = phy_get_interface_by_name(phy_mode_str);
4731 if (phy_mode == -1) {
4732 dev_err(&pdev->dev, "incorrect phy mode\n");
4736 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4738 dev_err(&pdev->dev, "missing port-id value\n");
4744 * Not sure if this DT property "phy-speed" will get accepted, so
4745 * this might change later
4747 /* Get phy-speed for SGMII 2.5Gbps vs 1Gbps setup */
4748 port->phy_speed = fdtdec_get_int(gd->fdt_blob, port_node,
4751 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
4754 if (port->priv->hw_version == MVPP21)
4755 port->first_rxq = port->id * rxq_number;
4757 port->first_rxq = port->id * port->priv->max_port_rxqs;
4758 port->phy_node = phy_node;
4759 port->phy_interface = phy_mode;
4760 port->phyaddr = phyaddr;
4765 /* Ports initialization */
4766 static int mvpp2_port_probe(struct udevice *dev,
4767 struct mvpp2_port *port,
4773 port->tx_ring_size = MVPP2_MAX_TXD;
4774 port->rx_ring_size = MVPP2_MAX_RXD;
4776 err = mvpp2_port_init(dev, port);
4778 dev_err(&pdev->dev, "failed to init port %d\n", port->id);
4781 mvpp2_port_power_up(port);
4783 priv->port_list[port->id] = port;
4787 /* Initialize decoding windows */
4788 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4794 for (i = 0; i < 6; i++) {
4795 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4796 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4799 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4804 for (i = 0; i < dram->num_cs; i++) {
4805 const struct mbus_dram_window *cs = dram->cs + i;
4807 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4808 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4809 dram->mbus_dram_target_id);
4811 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4812 (cs->size - 1) & 0xffff0000);
4814 win_enable |= (1 << i);
4817 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4820 /* Initialize Rx FIFO's */
4821 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4825 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4826 if (priv->hw_version == MVPP22) {
4829 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4830 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4832 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4833 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4834 } else if (port == 1) {
4836 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4837 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4839 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4840 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4843 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4844 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4846 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4847 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4850 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4851 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4852 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4853 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4857 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4858 MVPP2_RX_FIFO_PORT_MIN_PKT);
4859 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4862 /* Initialize Tx FIFO's */
4863 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4867 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4868 /* Port 0 supports 10KB TX FIFO */
4870 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4871 MVPP22_TX_FIFO_SIZE_MASK;
4873 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4874 MVPP22_TX_FIFO_SIZE_MASK;
4876 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4880 static void mvpp2_axi_init(struct mvpp2 *priv)
4882 u32 val, rdval, wrval;
4884 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4886 /* AXI Bridge Configuration */
4888 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
4889 << MVPP22_AXI_ATTR_CACHE_OFFS;
4890 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4891 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4893 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
4894 << MVPP22_AXI_ATTR_CACHE_OFFS;
4895 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4896 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4899 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
4900 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
4903 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
4904 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
4905 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
4906 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
4909 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
4910 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
4912 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
4913 << MVPP22_AXI_CODE_CACHE_OFFS;
4914 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
4915 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4916 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
4917 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
4919 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
4920 << MVPP22_AXI_CODE_CACHE_OFFS;
4921 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4922 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4924 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
4926 val = MVPP22_AXI_CODE_CACHE_WR_CACHE
4927 << MVPP22_AXI_CODE_CACHE_OFFS;
4928 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4929 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4931 mvpp2_write(priv, MVPP22_AXI_WR_SNOOP_CODE_REG, val);
4934 /* Initialize network controller common part HW */
4935 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
4937 const struct mbus_dram_target_info *dram_target_info;
4941 /* Checks for hardware constraints (U-Boot uses only one rxq) */
4942 if ((rxq_number > priv->max_port_rxqs) ||
4943 (txq_number > MVPP2_MAX_TXQ)) {
4944 dev_err(&pdev->dev, "invalid queue size parameter\n");
4948 /* MBUS windows configuration */
4949 dram_target_info = mvebu_mbus_dram_info();
4950 if (dram_target_info)
4951 mvpp2_conf_mbus_windows(dram_target_info, priv);
4953 if (priv->hw_version == MVPP22)
4954 mvpp2_axi_init(priv);
4956 if (priv->hw_version == MVPP21) {
4957 /* Disable HW PHY polling */
4958 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4959 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
4960 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4962 /* Enable HW PHY polling */
4963 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
4964 val |= MVPP22_SMI_POLLING_EN;
4965 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
4968 /* Allocate and initialize aggregated TXQs */
4969 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
4970 sizeof(struct mvpp2_tx_queue),
4972 if (!priv->aggr_txqs)
4975 for_each_present_cpu(i) {
4976 priv->aggr_txqs[i].id = i;
4977 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
4978 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
4979 MVPP2_AGGR_TXQ_SIZE, i, priv);
4985 mvpp2_rx_fifo_init(priv);
4988 if (priv->hw_version == MVPP22)
4989 mvpp2_tx_fifo_init(priv);
4991 /* Reset Rx queue group interrupt configuration */
4992 for (i = 0; i < MVPP2_MAX_PORTS; i++) {
4993 if (priv->hw_version == MVPP21) {
4994 mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(i),
5000 val = (i << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
5001 mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
5003 val = (CONFIG_MV_ETH_RXQ <<
5004 MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET);
5006 MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG, val);
5010 if (priv->hw_version == MVPP21)
5011 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5012 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5014 /* Allow cache snoop when transmiting packets */
5015 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5017 /* Buffer Manager initialization */
5018 err = mvpp2_bm_init(dev, priv);
5022 /* Parser default initialization */
5023 err = mvpp2_prs_default_init(dev, priv);
5027 /* Classifier default initialization */
5028 mvpp2_cls_init(priv);
5033 /* SMI / MDIO functions */
5035 static int smi_wait_ready(struct mvpp2 *priv)
5037 u32 timeout = MVPP2_SMI_TIMEOUT;
5040 /* wait till the SMI is not busy */
5042 /* read smi register */
5043 smi_reg = readl(priv->mdio_base);
5044 if (timeout-- == 0) {
5045 printf("Error: SMI busy timeout\n");
5048 } while (smi_reg & MVPP2_SMI_BUSY);
5054 * mpp2_mdio_read - miiphy_read callback function.
5056 * Returns 16bit phy register value, or 0xffff on error
5058 static int mpp2_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
5060 struct mvpp2 *priv = bus->priv;
5064 /* check parameters */
5065 if (addr > MVPP2_PHY_ADDR_MASK) {
5066 printf("Error: Invalid PHY address %d\n", addr);
5070 if (reg > MVPP2_PHY_REG_MASK) {
5071 printf("Err: Invalid register offset %d\n", reg);
5075 /* wait till the SMI is not busy */
5076 if (smi_wait_ready(priv) < 0)
5079 /* fill the phy address and regiser offset and read opcode */
5080 smi_reg = (addr << MVPP2_SMI_DEV_ADDR_OFFS)
5081 | (reg << MVPP2_SMI_REG_ADDR_OFFS)
5082 | MVPP2_SMI_OPCODE_READ;
5084 /* write the smi register */
5085 writel(smi_reg, priv->mdio_base);
5087 /* wait till read value is ready */
5088 timeout = MVPP2_SMI_TIMEOUT;
5091 /* read smi register */
5092 smi_reg = readl(priv->mdio_base);
5093 if (timeout-- == 0) {
5094 printf("Err: SMI read ready timeout\n");
5097 } while (!(smi_reg & MVPP2_SMI_READ_VALID));
5099 /* Wait for the data to update in the SMI register */
5100 for (timeout = 0; timeout < MVPP2_SMI_TIMEOUT; timeout++)
5103 return readl(priv->mdio_base) & MVPP2_SMI_DATA_MASK;
5107 * mpp2_mdio_write - miiphy_write callback function.
5109 * Returns 0 if write succeed, -EINVAL on bad parameters
5112 static int mpp2_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
5115 struct mvpp2 *priv = bus->priv;
5118 /* check parameters */
5119 if (addr > MVPP2_PHY_ADDR_MASK) {
5120 printf("Error: Invalid PHY address %d\n", addr);
5124 if (reg > MVPP2_PHY_REG_MASK) {
5125 printf("Err: Invalid register offset %d\n", reg);
5129 /* wait till the SMI is not busy */
5130 if (smi_wait_ready(priv) < 0)
5133 /* fill the phy addr and reg offset and write opcode and data */
5134 smi_reg = value << MVPP2_SMI_DATA_OFFS;
5135 smi_reg |= (addr << MVPP2_SMI_DEV_ADDR_OFFS)
5136 | (reg << MVPP2_SMI_REG_ADDR_OFFS);
5137 smi_reg &= ~MVPP2_SMI_OPCODE_READ;
5139 /* write the smi register */
5140 writel(smi_reg, priv->mdio_base);
5145 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5147 struct mvpp2_port *port = dev_get_priv(dev);
5148 struct mvpp2_rx_desc *rx_desc;
5149 struct mvpp2_bm_pool *bm_pool;
5150 dma_addr_t dma_addr;
5152 int pool, rx_bytes, err;
5154 struct mvpp2_rx_queue *rxq;
5155 u32 cause_rx_tx, cause_rx, cause_misc;
5158 cause_rx_tx = mvpp2_read(port->priv,
5159 MVPP2_ISR_RX_TX_CAUSE_REG(port->id));
5160 cause_rx_tx &= ~MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK;
5161 cause_misc = cause_rx_tx & MVPP2_CAUSE_MISC_SUM_MASK;
5162 if (!cause_rx_tx && !cause_misc)
5165 cause_rx = cause_rx_tx & MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK;
5167 /* Process RX packets */
5168 cause_rx |= port->pending_cause_rx;
5169 rxq = mvpp2_get_rx_queue(port, cause_rx);
5171 /* Get number of received packets and clamp the to-do */
5172 rx_received = mvpp2_rxq_received(port, rxq->id);
5174 /* Return if no packets are received */
5178 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5179 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5180 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5181 rx_bytes -= MVPP2_MH_SIZE;
5182 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5184 bm = mvpp2_bm_cookie_build(port, rx_desc);
5185 pool = mvpp2_bm_cookie_pool_get(bm);
5186 bm_pool = &port->priv->bm_pools[pool];
5188 /* In case of an error, release the requested buffer pointer
5189 * to the Buffer Manager. This request process is controlled
5190 * by the hardware, and the information about the buffer is
5191 * comprised by the RX descriptor.
5193 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5194 mvpp2_rx_error(port, rx_desc);
5195 /* Return the buffer to the pool */
5196 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5200 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5202 netdev_err(port->dev, "failed to refill BM pools\n");
5206 /* Update Rx queue management counters */
5208 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5210 /* give packet to stack - skip on first n bytes */
5211 data = (u8 *)dma_addr + 2 + 32;
5217 * No cache invalidation needed here, since the rx_buffer's are
5218 * located in a uncached memory region
5226 static void mvpp2_txq_drain(struct mvpp2_port *port, struct mvpp2_tx_queue *txq,
5231 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5232 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
5234 val |= MVPP2_TXQ_DRAIN_EN_MASK;
5236 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
5237 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
5240 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5242 struct mvpp2_port *port = dev_get_priv(dev);
5243 struct mvpp2_tx_queue *txq, *aggr_txq;
5244 struct mvpp2_tx_desc *tx_desc;
5248 txq = port->txqs[0];
5249 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5251 /* Get a descriptor for the first part of the packet */
5252 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5253 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5254 mvpp2_txdesc_size_set(port, tx_desc, length);
5255 mvpp2_txdesc_offset_set(port, tx_desc,
5256 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5257 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5258 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5259 /* First and Last descriptor */
5260 mvpp2_txdesc_cmd_set(port, tx_desc,
5261 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5262 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5265 flush_dcache_range((unsigned long)packet,
5266 (unsigned long)packet + ALIGN(length, PKTALIGN));
5268 /* Enable transmit */
5270 mvpp2_aggr_txq_pend_desc_add(port, 1);
5272 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5276 if (timeout++ > 10000) {
5277 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5280 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5283 /* Enable TXQ drain */
5284 mvpp2_txq_drain(port, txq, 1);
5288 if (timeout++ > 10000) {
5289 printf("timeout: packet not sent\n");
5292 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5295 /* Disable TXQ drain */
5296 mvpp2_txq_drain(port, txq, 0);
5301 static int mvpp2_start(struct udevice *dev)
5303 struct eth_pdata *pdata = dev_get_platdata(dev);
5304 struct mvpp2_port *port = dev_get_priv(dev);
5306 /* Load current MAC address */
5307 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5309 /* Reconfigure parser accept the original MAC address */
5310 mvpp2_prs_update_mac_da(port, port->dev_addr);
5312 mvpp2_port_power_up(port);
5314 mvpp2_open(dev, port);
5319 static void mvpp2_stop(struct udevice *dev)
5321 struct mvpp2_port *port = dev_get_priv(dev);
5323 mvpp2_stop_dev(port);
5324 mvpp2_cleanup_rxqs(port);
5325 mvpp2_cleanup_txqs(port);
5328 static int mvpp22_smi_phy_addr_cfg(struct mvpp2_port *port)
5330 writel(port->phyaddr, port->priv->iface_base +
5331 MVPP22_SMI_PHY_ADDR_REG(port->gop_id));
5336 static int mvpp2_base_probe(struct udevice *dev)
5338 struct mvpp2 *priv = dev_get_priv(dev);
5339 struct mii_dev *bus;
5344 /* Save hw-version */
5345 priv->hw_version = dev_get_driver_data(dev);
5348 * U-Boot special buffer handling:
5350 * Allocate buffer area for descs and rx_buffers. This is only
5351 * done once for all interfaces. As only one interface can
5352 * be active. Make this area DMA-safe by disabling the D-cache
5355 /* Align buffer area for descs and rx_buffers to 1MiB */
5356 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5357 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5358 BD_SPACE, DCACHE_OFF);
5360 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5361 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5363 buffer_loc.tx_descs =
5364 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5365 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5367 buffer_loc.rx_descs =
5368 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5369 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5371 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5372 buffer_loc.bm_pool[i] =
5373 (unsigned long *)((unsigned long)bd_space + size);
5374 if (priv->hw_version == MVPP21)
5375 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5377 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5380 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5381 buffer_loc.rx_buffer[i] =
5382 (unsigned long *)((unsigned long)bd_space + size);
5383 size += RX_BUFFER_SIZE;
5386 /* Clear the complete area so that all descriptors are cleared */
5387 memset(bd_space, 0, size);
5389 /* Save base addresses for later use */
5390 priv->base = (void *)dev_get_addr_index(dev, 0);
5391 if (IS_ERR(priv->base))
5392 return PTR_ERR(priv->base);
5394 if (priv->hw_version == MVPP21) {
5395 priv->lms_base = (void *)dev_get_addr_index(dev, 1);
5396 if (IS_ERR(priv->lms_base))
5397 return PTR_ERR(priv->lms_base);
5399 priv->mdio_base = priv->lms_base + MVPP21_SMI;
5401 priv->iface_base = (void *)dev_get_addr_index(dev, 1);
5402 if (IS_ERR(priv->iface_base))
5403 return PTR_ERR(priv->iface_base);
5405 priv->mdio_base = priv->iface_base + MVPP22_SMI;
5407 /* Store common base addresses for all ports */
5408 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5409 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5410 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5413 if (priv->hw_version == MVPP21)
5414 priv->max_port_rxqs = 8;
5416 priv->max_port_rxqs = 32;
5418 /* Finally create and register the MDIO bus driver */
5421 printf("Failed to allocate MDIO bus\n");
5425 bus->read = mpp2_mdio_read;
5426 bus->write = mpp2_mdio_write;
5427 snprintf(bus->name, sizeof(bus->name), dev->name);
5428 bus->priv = (void *)priv;
5431 return mdio_register(bus);
5434 static int mvpp2_probe(struct udevice *dev)
5436 struct mvpp2_port *port = dev_get_priv(dev);
5437 struct mvpp2 *priv = dev_get_priv(dev->parent);
5440 /* Only call the probe function for the parent once */
5441 if (!priv->probe_done) {
5442 err = mvpp2_base_probe(dev->parent);
5443 priv->probe_done = 1;
5446 port->priv = dev_get_priv(dev->parent);
5448 err = phy_info_parse(dev, port);
5453 * We need the port specific io base addresses at this stage, since
5454 * gop_port_init() accesses these registers
5456 if (priv->hw_version == MVPP21) {
5457 int priv_common_regs_num = 2;
5459 port->base = (void __iomem *)dev_get_addr_index(
5460 dev->parent, priv_common_regs_num + port->id);
5461 if (IS_ERR(port->base))
5462 return PTR_ERR(port->base);
5464 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5466 if (port->id == -1) {
5467 dev_err(&pdev->dev, "missing gop-port-id value\n");
5471 port->base = priv->iface_base + MVPP22_PORT_BASE +
5472 port->gop_id * MVPP22_PORT_OFFSET;
5474 /* Set phy address of the port */
5475 mvpp22_smi_phy_addr_cfg(port);
5478 gop_port_init(port);
5481 /* Initialize network controller */
5482 err = mvpp2_init(dev, priv);
5484 dev_err(&pdev->dev, "failed to initialize controller\n");
5488 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5492 if (priv->hw_version == MVPP22) {
5493 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5494 port->phy_interface);
5496 /* Netcomplex configurations for all ports */
5497 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5498 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5504 static const struct eth_ops mvpp2_ops = {
5505 .start = mvpp2_start,
5511 static struct driver mvpp2_driver = {
5514 .probe = mvpp2_probe,
5516 .priv_auto_alloc_size = sizeof(struct mvpp2_port),
5517 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
5521 * Use a MISC device to bind the n instances (child nodes) of the
5522 * network base controller in UCLASS_ETH.
5524 static int mvpp2_base_bind(struct udevice *parent)
5526 const void *blob = gd->fdt_blob;
5527 int node = dev_of_offset(parent);
5528 struct uclass_driver *drv;
5529 struct udevice *dev;
5530 struct eth_pdata *plat;
5536 /* Lookup eth driver */
5537 drv = lists_uclass_lookup(UCLASS_ETH);
5539 puts("Cannot find eth driver\n");
5543 base_id_add = base_id;
5545 fdt_for_each_subnode(subnode, blob, node) {
5546 /* Increment base_id for all subnodes, also the disabled ones */
5549 /* Skip disabled ports */
5550 if (!fdtdec_get_is_enabled(blob, subnode))
5553 plat = calloc(1, sizeof(*plat));
5557 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5560 name = calloc(1, 16);
5561 sprintf(name, "mvpp2-%d", id);
5563 /* Create child device UCLASS_ETH and bind it */
5564 device_bind(parent, &mvpp2_driver, name, plat, subnode, &dev);
5565 dev_set_of_offset(dev, subnode);
5571 static const struct udevice_id mvpp2_ids[] = {
5573 .compatible = "marvell,armada-375-pp2",
5577 .compatible = "marvell,armada-7k-pp22",
5583 U_BOOT_DRIVER(mvpp2_base) = {
5584 .name = "mvpp2_base",
5586 .of_match = mvpp2_ids,
5587 .bind = mvpp2_base_bind,
5588 .priv_auto_alloc_size = sizeof(struct mvpp2),