2 * Driver for Marvell PPv2 network controller for Armada 375 SoC.
4 * Copyright (C) 2014 Marvell
6 * Marcin Wojtas <mw@semihalf.com>
9 * Copyright (C) 2016-2017 Stefan Roese <sr@denx.de>
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.
19 #include <asm/cache.h>
20 #include <dm/device-internal.h>
21 #include <dm/device_compat.h>
22 #include <dm/devres.h>
29 #include <linux/bitops.h>
30 #include <linux/bug.h>
31 #include <linux/delay.h>
32 #include <linux/err.h>
33 #include <linux/errno.h>
37 #include <asm/arch/cpu.h>
38 #include <asm/arch/soc.h>
39 #include <linux/compat.h>
40 #include <linux/libfdt.h>
41 #include <linux/mbus.h>
42 #include <asm-generic/gpio.h>
43 #include <fdt_support.h>
44 #include <linux/mdio.h>
46 DECLARE_GLOBAL_DATA_PTR;
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
70 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
71 #define WRAP (2 + ETH_HLEN + 4 + 32)
73 #define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
75 /* RX Fifo Registers */
76 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
77 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
78 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
79 #define MVPP2_RX_FIFO_INIT_REG 0x64
81 /* RX DMA Top Registers */
82 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
83 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
84 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
85 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
86 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
87 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
88 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
89 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
90 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
91 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
92 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
93 #define MVPP2_RXQ_POOL_LONG_OFFS 24
94 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
95 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
96 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
97 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
98 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
100 /* Parser Registers */
101 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
102 #define MVPP2_PRS_PORT_LU_MAX 0xf
103 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
104 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
105 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
106 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
107 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
108 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
109 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
110 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
111 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
112 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
113 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
114 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
115 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
116 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
117 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
119 /* Classifier Registers */
120 #define MVPP2_CLS_MODE_REG 0x1800
121 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
122 #define MVPP2_CLS_PORT_WAY_REG 0x1810
123 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
124 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
125 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
126 #define MVPP2_CLS_LKP_TBL_REG 0x1818
127 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
128 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
129 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
130 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
131 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
132 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
133 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
134 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
135 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
136 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
137 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
138 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
140 /* Descriptor Manager Top Registers */
141 #define MVPP2_RXQ_NUM_REG 0x2040
142 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
143 #define MVPP22_DESC_ADDR_OFFS 8
144 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
145 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
146 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
147 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
148 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
149 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
150 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
151 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
152 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
153 #define MVPP2_RXQ_THRESH_REG 0x204c
154 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
155 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
156 #define MVPP2_RXQ_INDEX_REG 0x2050
157 #define MVPP2_TXQ_NUM_REG 0x2080
158 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
159 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
160 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
161 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
162 #define MVPP2_TXQ_THRESH_REG 0x2094
163 #define MVPP2_TRANSMITTED_THRESH_OFFSET 16
164 #define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
165 #define MVPP2_TXQ_INDEX_REG 0x2098
166 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
167 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
168 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
169 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
170 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
171 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
172 #define MVPP2_TXQ_PENDING_REG 0x20a0
173 #define MVPP2_TXQ_PENDING_MASK 0x3fff
174 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
175 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
176 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
177 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
178 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
179 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
180 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
181 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
182 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
183 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
184 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
185 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
186 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
187 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
188 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
189 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
190 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
192 /* MBUS bridge registers */
193 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
194 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
195 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
196 #define MVPP2_BASE_ADDR_ENABLE 0x4060
198 /* AXI Bridge Registers */
199 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
200 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
201 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
202 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
203 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
204 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
205 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
206 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
207 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
208 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
209 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
210 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
212 /* Values for AXI Bridge registers */
213 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
214 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
216 #define MVPP22_AXI_CODE_CACHE_OFFS 0
217 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
219 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
220 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
221 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
223 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
224 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
226 /* Interrupt Cause and Mask registers */
227 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
228 #define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
230 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
231 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
232 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
233 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
235 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
236 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
238 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
239 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
240 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
241 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
243 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
244 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
245 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
246 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
247 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
248 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
249 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
250 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
251 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
252 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
253 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
254 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
255 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
256 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
257 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
258 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
259 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
260 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
262 /* Buffer Manager registers */
263 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
264 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
265 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
266 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
267 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
268 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
269 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
270 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
271 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
272 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
273 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
274 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
275 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
276 #define MVPP2_BM_START_MASK BIT(0)
277 #define MVPP2_BM_STOP_MASK BIT(1)
278 #define MVPP2_BM_STATE_MASK BIT(4)
279 #define MVPP2_BM_LOW_THRESH_OFFS 8
280 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
281 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
282 MVPP2_BM_LOW_THRESH_OFFS)
283 #define MVPP2_BM_HIGH_THRESH_OFFS 16
284 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
285 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
286 MVPP2_BM_HIGH_THRESH_OFFS)
287 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
288 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
289 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
290 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
291 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
292 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
293 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
294 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
295 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
296 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
297 #define MVPP2_BM_ADDR_HIGH_ALLOC 0x6444
298 #define MVPP2_BM_ADDR_HIGH_PHYS_MASK 0xff
299 #define MVPP2_BM_ADDR_HIGH_VIRT_MASK 0xff00
300 #define MVPP2_BM_ADDR_HIGH_VIRT_SHIFT 8
301 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
302 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
303 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
304 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
305 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
306 #define MVPP21_BM_MC_RLS_REG 0x64c4
307 #define MVPP2_BM_MC_ID_MASK 0xfff
308 #define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
309 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
310 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
311 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
312 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
313 #define MVPP22_BM_MC_RLS_REG 0x64d4
314 #define MVPP22_BM_POOL_BASE_HIGH_REG 0x6310
315 #define MVPP22_BM_POOL_BASE_HIGH_MASK 0xff
317 /* TX Scheduler registers */
318 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
319 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
320 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
321 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
322 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
323 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
324 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
325 #define MVPP2_TXP_MTU_MAX 0x7FFFF
326 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
327 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
328 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
329 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
330 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
331 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
332 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
333 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
334 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
335 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
336 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
337 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
338 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
339 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
341 /* TX general registers */
342 #define MVPP2_TX_SNOOP_REG 0x8800
343 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
344 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
347 #define MVPP2_SRC_ADDR_MIDDLE 0x24
348 #define MVPP2_SRC_ADDR_HIGH 0x28
349 #define MVPP2_PHY_AN_CFG0_REG 0x34
350 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
351 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
352 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
354 /* Per-port registers */
355 #define MVPP2_GMAC_CTRL_0_REG 0x0
356 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
357 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
358 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
359 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
360 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
361 #define MVPP2_GMAC_CTRL_1_REG 0x4
362 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
363 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
364 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
365 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
366 #define MVPP2_GMAC_SA_LOW_OFFS 7
367 #define MVPP2_GMAC_CTRL_2_REG 0x8
368 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
369 #define MVPP2_GMAC_SGMII_MODE_MASK BIT(0)
370 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
371 #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4)
372 #define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5)
373 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
374 #define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9)
375 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
376 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
377 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
378 #define MVPP2_GMAC_EN_PCS_AN BIT(2)
379 #define MVPP2_GMAC_AN_BYPASS_EN BIT(3)
380 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
381 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
382 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
383 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
384 #define MVPP2_GMAC_EN_FC_AN BIT(11)
385 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
386 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
387 #define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15)
388 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
389 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
390 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
391 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
392 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
393 #define MVPP2_GMAC_CTRL_4_REG 0x90
394 #define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0)
395 #define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5)
396 #define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6)
397 #define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7)
400 * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
401 * relative to port->base.
404 /* Port Mac Control0 */
405 #define MVPP22_XLG_CTRL0_REG 0x100
406 #define MVPP22_XLG_PORT_EN BIT(0)
407 #define MVPP22_XLG_MAC_RESETN BIT(1)
408 #define MVPP22_XLG_RX_FC_EN BIT(7)
409 #define MVPP22_XLG_MIBCNT_DIS BIT(13)
410 /* Port Mac Control1 */
411 #define MVPP22_XLG_CTRL1_REG 0x104
412 #define MVPP22_XLG_MAX_RX_SIZE_OFFS 0
413 #define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff
414 /* Port Interrupt Mask */
415 #define MVPP22_XLG_INTERRUPT_MASK_REG 0x118
416 #define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1)
417 /* Port Mac Control3 */
418 #define MVPP22_XLG_CTRL3_REG 0x11c
419 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
420 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
421 #define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13)
422 /* Port Mac Control4 */
423 #define MVPP22_XLG_CTRL4_REG 0x184
424 #define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5)
425 #define MVPP22_XLG_FORWARD_PFC_EN BIT(6)
426 #define MVPP22_XLG_MODE_DMA_1G BIT(12)
427 #define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14)
431 /* Global Configuration 0 */
432 #define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0
433 #define MVPP22_XPCS_PCSRESET BIT(0)
434 #define MVPP22_XPCS_PCSMODE_OFFS 3
435 #define MVPP22_XPCS_PCSMODE_MASK (0x3 << \
436 MVPP22_XPCS_PCSMODE_OFFS)
437 #define MVPP22_XPCS_LANEACTIVE_OFFS 5
438 #define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \
439 MVPP22_XPCS_LANEACTIVE_OFFS)
443 #define PCS40G_COMMON_CONTROL 0x14
444 #define FORWARD_ERROR_CORRECTION_MASK BIT(10)
446 #define PCS_CLOCK_RESET 0x14c
447 #define TX_SD_CLK_RESET_MASK BIT(0)
448 #define RX_SD_CLK_RESET_MASK BIT(1)
449 #define MAC_CLK_RESET_MASK BIT(2)
450 #define CLK_DIVISION_RATIO_OFFS 4
451 #define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS)
452 #define CLK_DIV_PHASE_SET_MASK BIT(11)
454 /* System Soft Reset 1 */
455 #define GOP_SOFT_RESET_1_REG 0x108
456 #define NETC_GOP_SOFT_RESET_OFFS 6
457 #define NETC_GOP_SOFT_RESET_MASK (0x1 << \
458 NETC_GOP_SOFT_RESET_OFFS)
460 /* Ports Control 0 */
461 #define NETCOMP_PORTS_CONTROL_0_REG 0x110
462 #define NETC_BUS_WIDTH_SELECT_OFFS 1
463 #define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \
464 NETC_BUS_WIDTH_SELECT_OFFS)
465 #define NETC_GIG_RX_DATA_SAMPLE_OFFS 29
466 #define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \
467 NETC_GIG_RX_DATA_SAMPLE_OFFS)
468 #define NETC_CLK_DIV_PHASE_OFFS 31
469 #define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS)
470 /* Ports Control 1 */
471 #define NETCOMP_PORTS_CONTROL_1_REG 0x114
472 #define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p)
473 #define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \
474 NETC_PORTS_ACTIVE_OFFSET(p))
475 #define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p)
476 #define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \
477 NETC_PORT_GIG_RF_RESET_OFFS(p))
478 #define NETCOMP_CONTROL_0_REG 0x120
479 #define NETC_GBE_PORT0_SGMII_MODE_OFFS 0
480 #define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \
481 NETC_GBE_PORT0_SGMII_MODE_OFFS)
482 #define NETC_GBE_PORT1_SGMII_MODE_OFFS 1
483 #define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \
484 NETC_GBE_PORT1_SGMII_MODE_OFFS)
485 #define NETC_GBE_PORT1_MII_MODE_OFFS 2
486 #define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \
487 NETC_GBE_PORT1_MII_MODE_OFFS)
489 #define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04)
490 #define MVPP22_SMI_POLLING_EN BIT(10)
492 #define MVPP22_SMI_PHY_ADDR_REG(port) (MVPP22_SMI + 0x04 + \
495 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
497 /* Descriptor ring Macros */
498 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
499 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
501 /* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
502 #define MVPP22_SMI 0x1200
504 /* Additional PPv2.2 offsets */
505 #define MVPP22_MPCS 0x007000
506 #define MVPP22_XPCS 0x007400
507 #define MVPP22_PORT_BASE 0x007e00
508 #define MVPP22_PORT_OFFSET 0x001000
509 #define MVPP22_RFU1 0x318000
511 /* Maximum number of ports */
512 #define MVPP22_GOP_MAC_NUM 4
514 /* Sets the field located at the specified in data */
515 #define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41
516 #define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5
517 #define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb
520 enum mv_netc_topology {
521 MV_NETC_GE_MAC2_SGMII = BIT(0),
522 MV_NETC_GE_MAC3_SGMII = BIT(1),
523 MV_NETC_GE_MAC3_RGMII = BIT(2),
528 MV_NETC_SECOND_PHASE,
531 enum mv_netc_sgmii_xmi_mode {
536 enum mv_netc_mii_mode {
546 /* Various constants */
549 #define MVPP2_TXDONE_COAL_PKTS_THRESH 15
550 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
551 #define MVPP2_RX_COAL_PKTS 32
552 #define MVPP2_RX_COAL_USEC 100
554 /* The two bytes Marvell header. Either contains a special value used
555 * by Marvell switches when a specific hardware mode is enabled (not
556 * supported by this driver) or is filled automatically by zeroes on
557 * the RX side. Those two bytes being at the front of the Ethernet
558 * header, they allow to have the IP header aligned on a 4 bytes
559 * boundary automatically: the hardware skips those two bytes on its
562 #define MVPP2_MH_SIZE 2
563 #define MVPP2_ETH_TYPE_LEN 2
564 #define MVPP2_PPPOE_HDR_SIZE 8
565 #define MVPP2_VLAN_TAG_LEN 4
567 /* Lbtd 802.3 type */
568 #define MVPP2_IP_LBDT_TYPE 0xfffa
570 #define MVPP2_CPU_D_CACHE_LINE_SIZE 32
571 #define MVPP2_TX_CSUM_MAX_SIZE 9800
573 /* Timeout constants */
574 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
575 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
577 #define MVPP2_TX_MTU_MAX 0x7ffff
579 /* Maximum number of T-CONTs of PON port */
580 #define MVPP2_MAX_TCONT 16
582 /* Maximum number of supported ports */
583 #define MVPP2_MAX_PORTS 4
585 /* Maximum number of TXQs used by single port */
586 #define MVPP2_MAX_TXQ 8
588 /* Default number of TXQs in use */
589 #define MVPP2_DEFAULT_TXQ 1
591 /* Default number of RXQs in use */
592 #define MVPP2_DEFAULT_RXQ 1
593 #define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
595 /* Max number of Rx descriptors */
596 #define MVPP2_MAX_RXD 16
598 /* Max number of Tx descriptors */
599 #define MVPP2_MAX_TXD 16
601 /* Amount of Tx descriptors that can be reserved at once by CPU */
602 #define MVPP2_CPU_DESC_CHUNK 16
604 /* Max number of Tx descriptors in each aggregated queue */
605 #define MVPP2_AGGR_TXQ_SIZE 16
607 /* Descriptor aligned size */
608 #define MVPP2_DESC_ALIGNED_SIZE 32
610 /* Descriptor alignment mask */
611 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
613 /* RX FIFO constants */
614 #define MVPP21_RX_FIFO_PORT_DATA_SIZE 0x2000
615 #define MVPP21_RX_FIFO_PORT_ATTR_SIZE 0x80
616 #define MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE 0x8000
617 #define MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE 0x2000
618 #define MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE 0x1000
619 #define MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE 0x200
620 #define MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE 0x80
621 #define MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE 0x40
622 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
624 /* TX general registers */
625 #define MVPP22_TX_FIFO_SIZE_REG(eth_tx_port) (0x8860 + ((eth_tx_port) << 2))
626 #define MVPP22_TX_FIFO_SIZE_MASK 0xf
628 /* TX FIFO constants */
629 #define MVPP2_TX_FIFO_DATA_SIZE_10KB 0xa
630 #define MVPP2_TX_FIFO_DATA_SIZE_3KB 0x3
632 /* RX buffer constants */
633 #define MVPP2_SKB_SHINFO_SIZE \
636 #define MVPP2_RX_PKT_SIZE(mtu) \
637 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
638 ETH_HLEN + ETH_FCS_LEN, MVPP2_CPU_D_CACHE_LINE_SIZE)
640 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
641 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
642 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
643 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
645 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
647 /* IPv6 max L3 address size */
648 #define MVPP2_MAX_L3_ADDR_SIZE 16
651 #define MVPP2_F_LOOPBACK BIT(0)
653 /* Marvell tag types */
654 enum mvpp2_tag_type {
655 MVPP2_TAG_TYPE_NONE = 0,
656 MVPP2_TAG_TYPE_MH = 1,
657 MVPP2_TAG_TYPE_DSA = 2,
658 MVPP2_TAG_TYPE_EDSA = 3,
659 MVPP2_TAG_TYPE_VLAN = 4,
660 MVPP2_TAG_TYPE_LAST = 5
663 /* Parser constants */
664 #define MVPP2_PRS_TCAM_SRAM_SIZE 256
665 #define MVPP2_PRS_TCAM_WORDS 6
666 #define MVPP2_PRS_SRAM_WORDS 4
667 #define MVPP2_PRS_FLOW_ID_SIZE 64
668 #define MVPP2_PRS_FLOW_ID_MASK 0x3f
669 #define MVPP2_PRS_TCAM_ENTRY_INVALID 1
670 #define MVPP2_PRS_TCAM_DSA_TAGGED_BIT BIT(5)
671 #define MVPP2_PRS_IPV4_HEAD 0x40
672 #define MVPP2_PRS_IPV4_HEAD_MASK 0xf0
673 #define MVPP2_PRS_IPV4_MC 0xe0
674 #define MVPP2_PRS_IPV4_MC_MASK 0xf0
675 #define MVPP2_PRS_IPV4_BC_MASK 0xff
676 #define MVPP2_PRS_IPV4_IHL 0x5
677 #define MVPP2_PRS_IPV4_IHL_MASK 0xf
678 #define MVPP2_PRS_IPV6_MC 0xff
679 #define MVPP2_PRS_IPV6_MC_MASK 0xff
680 #define MVPP2_PRS_IPV6_HOP_MASK 0xff
681 #define MVPP2_PRS_TCAM_PROTO_MASK 0xff
682 #define MVPP2_PRS_TCAM_PROTO_MASK_L 0x3f
683 #define MVPP2_PRS_DBL_VLANS_MAX 100
686 * - lookup ID - 4 bits
688 * - additional information - 1 byte
689 * - header data - 8 bytes
690 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
692 #define MVPP2_PRS_AI_BITS 8
693 #define MVPP2_PRS_PORT_MASK 0xff
694 #define MVPP2_PRS_LU_MASK 0xf
695 #define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
696 (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
697 #define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
698 (((offs) * 2) - ((offs) % 2) + 2)
699 #define MVPP2_PRS_TCAM_AI_BYTE 16
700 #define MVPP2_PRS_TCAM_PORT_BYTE 17
701 #define MVPP2_PRS_TCAM_LU_BYTE 20
702 #define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
703 #define MVPP2_PRS_TCAM_INV_WORD 5
704 /* Tcam entries ID */
705 #define MVPP2_PE_DROP_ALL 0
706 #define MVPP2_PE_FIRST_FREE_TID 1
707 #define MVPP2_PE_LAST_FREE_TID (MVPP2_PRS_TCAM_SRAM_SIZE - 31)
708 #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30)
709 #define MVPP2_PE_MAC_MC_IP6 (MVPP2_PRS_TCAM_SRAM_SIZE - 29)
710 #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
711 #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 27)
712 #define MVPP2_PE_LAST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 26)
713 #define MVPP2_PE_FIRST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 19)
714 #define MVPP2_PE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 18)
715 #define MVPP2_PE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 17)
716 #define MVPP2_PE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 16)
717 #define MVPP2_PE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 15)
718 #define MVPP2_PE_ETYPE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 14)
719 #define MVPP2_PE_ETYPE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 13)
720 #define MVPP2_PE_ETYPE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 12)
721 #define MVPP2_PE_ETYPE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 11)
722 #define MVPP2_PE_MH_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 10)
723 #define MVPP2_PE_DSA_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 9)
724 #define MVPP2_PE_IP6_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 8)
725 #define MVPP2_PE_IP4_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 7)
726 #define MVPP2_PE_ETH_TYPE_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 6)
727 #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 5)
728 #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 4)
729 #define MVPP2_PE_MAC_MC_ALL (MVPP2_PRS_TCAM_SRAM_SIZE - 3)
730 #define MVPP2_PE_MAC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2)
731 #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1)
734 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(3)->(0).
736 #define MVPP2_PRS_SRAM_RI_OFFS 0
737 #define MVPP2_PRS_SRAM_RI_WORD 0
738 #define MVPP2_PRS_SRAM_RI_CTRL_OFFS 32
739 #define MVPP2_PRS_SRAM_RI_CTRL_WORD 1
740 #define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
741 #define MVPP2_PRS_SRAM_SHIFT_OFFS 64
742 #define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
743 #define MVPP2_PRS_SRAM_UDF_OFFS 73
744 #define MVPP2_PRS_SRAM_UDF_BITS 8
745 #define MVPP2_PRS_SRAM_UDF_MASK 0xff
746 #define MVPP2_PRS_SRAM_UDF_SIGN_BIT 81
747 #define MVPP2_PRS_SRAM_UDF_TYPE_OFFS 82
748 #define MVPP2_PRS_SRAM_UDF_TYPE_MASK 0x7
749 #define MVPP2_PRS_SRAM_UDF_TYPE_L3 1
750 #define MVPP2_PRS_SRAM_UDF_TYPE_L4 4
751 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS 85
752 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK 0x3
753 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD 1
754 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP4_ADD 2
755 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP6_ADD 3
756 #define MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS 87
757 #define MVPP2_PRS_SRAM_OP_SEL_UDF_BITS 2
758 #define MVPP2_PRS_SRAM_OP_SEL_UDF_MASK 0x3
759 #define MVPP2_PRS_SRAM_OP_SEL_UDF_ADD 0
760 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP4_ADD 2
761 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP6_ADD 3
762 #define MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS 89
763 #define MVPP2_PRS_SRAM_AI_OFFS 90
764 #define MVPP2_PRS_SRAM_AI_CTRL_OFFS 98
765 #define MVPP2_PRS_SRAM_AI_CTRL_BITS 8
766 #define MVPP2_PRS_SRAM_AI_MASK 0xff
767 #define MVPP2_PRS_SRAM_NEXT_LU_OFFS 106
768 #define MVPP2_PRS_SRAM_NEXT_LU_MASK 0xf
769 #define MVPP2_PRS_SRAM_LU_DONE_BIT 110
770 #define MVPP2_PRS_SRAM_LU_GEN_BIT 111
772 /* Sram result info bits assignment */
773 #define MVPP2_PRS_RI_MAC_ME_MASK 0x1
774 #define MVPP2_PRS_RI_DSA_MASK 0x2
775 #define MVPP2_PRS_RI_VLAN_MASK (BIT(2) | BIT(3))
776 #define MVPP2_PRS_RI_VLAN_NONE 0x0
777 #define MVPP2_PRS_RI_VLAN_SINGLE BIT(2)
778 #define MVPP2_PRS_RI_VLAN_DOUBLE BIT(3)
779 #define MVPP2_PRS_RI_VLAN_TRIPLE (BIT(2) | BIT(3))
780 #define MVPP2_PRS_RI_CPU_CODE_MASK 0x70
781 #define MVPP2_PRS_RI_CPU_CODE_RX_SPEC BIT(4)
782 #define MVPP2_PRS_RI_L2_CAST_MASK (BIT(9) | BIT(10))
783 #define MVPP2_PRS_RI_L2_UCAST 0x0
784 #define MVPP2_PRS_RI_L2_MCAST BIT(9)
785 #define MVPP2_PRS_RI_L2_BCAST BIT(10)
786 #define MVPP2_PRS_RI_PPPOE_MASK 0x800
787 #define MVPP2_PRS_RI_L3_PROTO_MASK (BIT(12) | BIT(13) | BIT(14))
788 #define MVPP2_PRS_RI_L3_UN 0x0
789 #define MVPP2_PRS_RI_L3_IP4 BIT(12)
790 #define MVPP2_PRS_RI_L3_IP4_OPT BIT(13)
791 #define MVPP2_PRS_RI_L3_IP4_OTHER (BIT(12) | BIT(13))
792 #define MVPP2_PRS_RI_L3_IP6 BIT(14)
793 #define MVPP2_PRS_RI_L3_IP6_EXT (BIT(12) | BIT(14))
794 #define MVPP2_PRS_RI_L3_ARP (BIT(13) | BIT(14))
795 #define MVPP2_PRS_RI_L3_ADDR_MASK (BIT(15) | BIT(16))
796 #define MVPP2_PRS_RI_L3_UCAST 0x0
797 #define MVPP2_PRS_RI_L3_MCAST BIT(15)
798 #define MVPP2_PRS_RI_L3_BCAST (BIT(15) | BIT(16))
799 #define MVPP2_PRS_RI_IP_FRAG_MASK 0x20000
800 #define MVPP2_PRS_RI_UDF3_MASK 0x300000
801 #define MVPP2_PRS_RI_UDF3_RX_SPECIAL BIT(21)
802 #define MVPP2_PRS_RI_L4_PROTO_MASK 0x1c00000
803 #define MVPP2_PRS_RI_L4_TCP BIT(22)
804 #define MVPP2_PRS_RI_L4_UDP BIT(23)
805 #define MVPP2_PRS_RI_L4_OTHER (BIT(22) | BIT(23))
806 #define MVPP2_PRS_RI_UDF7_MASK 0x60000000
807 #define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
808 #define MVPP2_PRS_RI_DROP_MASK 0x80000000
810 /* Sram additional info bits assignment */
811 #define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
812 #define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
813 #define MVPP2_PRS_IPV6_EXT_AI_BIT BIT(1)
814 #define MVPP2_PRS_IPV6_EXT_AH_AI_BIT BIT(2)
815 #define MVPP2_PRS_IPV6_EXT_AH_LEN_AI_BIT BIT(3)
816 #define MVPP2_PRS_IPV6_EXT_AH_L4_AI_BIT BIT(4)
817 #define MVPP2_PRS_SINGLE_VLAN_AI 0
818 #define MVPP2_PRS_DBL_VLAN_AI_BIT BIT(7)
821 #define MVPP2_PRS_TAGGED true
822 #define MVPP2_PRS_UNTAGGED false
823 #define MVPP2_PRS_EDSA true
824 #define MVPP2_PRS_DSA false
826 /* MAC entries, shadow udf */
828 MVPP2_PRS_UDF_MAC_DEF,
829 MVPP2_PRS_UDF_MAC_RANGE,
830 MVPP2_PRS_UDF_L2_DEF,
831 MVPP2_PRS_UDF_L2_DEF_COPY,
832 MVPP2_PRS_UDF_L2_USER,
836 enum mvpp2_prs_lookup {
850 enum mvpp2_prs_l3_cast {
851 MVPP2_PRS_L3_UNI_CAST,
852 MVPP2_PRS_L3_MULTI_CAST,
853 MVPP2_PRS_L3_BROAD_CAST
856 /* Classifier constants */
857 #define MVPP2_CLS_FLOWS_TBL_SIZE 512
858 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3
859 #define MVPP2_CLS_LKP_TBL_SIZE 64
862 #define MVPP2_BM_POOLS_NUM 1
863 #define MVPP2_BM_LONG_BUF_NUM 16
864 #define MVPP2_BM_SHORT_BUF_NUM 16
865 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
866 #define MVPP2_BM_POOL_PTR_ALIGN 128
867 #define MVPP2_BM_SWF_LONG_POOL(port) 0
869 /* BM cookie (32 bits) definition */
870 #define MVPP2_BM_COOKIE_POOL_OFFS 8
871 #define MVPP2_BM_COOKIE_CPU_OFFS 24
873 /* BM short pool packet size
874 * These value assure that for SWF the total number
875 * of bytes allocated for each buffer will be 512
877 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
887 /* Shared Packet Processor resources */
889 /* Shared registers' base addresses */
891 void __iomem *lms_base;
892 void __iomem *iface_base;
894 void __iomem *mpcs_base;
895 void __iomem *xpcs_base;
896 void __iomem *rfu1_base;
900 /* List of pointers to port structures */
901 struct mvpp2_port **port_list;
903 /* Aggregated TXQs */
904 struct mvpp2_tx_queue *aggr_txqs;
907 struct mvpp2_bm_pool *bm_pools;
909 /* PRS shadow table */
910 struct mvpp2_prs_shadow *prs_shadow;
911 /* PRS auxiliary table for double vlan entries control */
912 bool *prs_double_vlans;
918 enum { MVPP21, MVPP22 } hw_version;
920 /* Maximum number of RXQs per port */
921 unsigned int max_port_rxqs;
927 struct mvpp2_pcpu_stats {
937 /* Index of the port from the "group of ports" complex point
946 /* Per-port registers' base address */
949 struct mvpp2_rx_queue **rxqs;
950 struct mvpp2_tx_queue **txqs;
954 u32 pending_cause_rx;
956 /* Per-CPU port control */
957 struct mvpp2_port_pcpu __percpu *pcpu;
964 struct mvpp2_pcpu_stats __percpu *stats;
966 struct phy_device *phy_dev;
967 phy_interface_t phy_interface;
969 struct udevice *mdio_dev;
971 #if CONFIG_IS_ENABLED(DM_GPIO)
972 struct gpio_desc phy_reset_gpio;
973 struct gpio_desc phy_tx_disable_gpio;
980 unsigned int phy_speed; /* SGMII 1Gbps vs 2.5Gbps */
982 struct mvpp2_bm_pool *pool_long;
983 struct mvpp2_bm_pool *pool_short;
985 /* Index of first port's physical RXQ */
988 u8 dev_addr[ETH_ALEN];
991 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
992 * layout of the transmit and reception DMA descriptors, and their
993 * layout is therefore defined by the hardware design
996 #define MVPP2_TXD_L3_OFF_SHIFT 0
997 #define MVPP2_TXD_IP_HLEN_SHIFT 8
998 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
999 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
1000 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
1001 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
1002 #define MVPP2_TXD_L4_UDP BIT(24)
1003 #define MVPP2_TXD_L3_IP6 BIT(26)
1004 #define MVPP2_TXD_L_DESC BIT(28)
1005 #define MVPP2_TXD_F_DESC BIT(29)
1007 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
1008 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
1009 #define MVPP2_RXD_ERR_CRC 0x0
1010 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
1011 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
1012 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
1013 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
1014 #define MVPP2_RXD_HWF_SYNC BIT(21)
1015 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
1016 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
1017 #define MVPP2_RXD_L4_TCP BIT(25)
1018 #define MVPP2_RXD_L4_UDP BIT(26)
1019 #define MVPP2_RXD_L3_IP4 BIT(28)
1020 #define MVPP2_RXD_L3_IP6 BIT(30)
1021 #define MVPP2_RXD_BUF_HDR BIT(31)
1023 /* HW TX descriptor for PPv2.1 */
1024 struct mvpp21_tx_desc {
1025 u32 command; /* Options used by HW for packet transmitting.*/
1026 u8 packet_offset; /* the offset from the buffer beginning */
1027 u8 phys_txq; /* destination queue ID */
1028 u16 data_size; /* data size of transmitted packet in bytes */
1029 u32 buf_dma_addr; /* physical addr of transmitted buffer */
1030 u32 buf_cookie; /* cookie for access to TX buffer in tx path */
1031 u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
1032 u32 reserved2; /* reserved (for future use) */
1035 /* HW RX descriptor for PPv2.1 */
1036 struct mvpp21_rx_desc {
1037 u32 status; /* info about received packet */
1038 u16 reserved1; /* parser_info (for future use, PnC) */
1039 u16 data_size; /* size of received packet in bytes */
1040 u32 buf_dma_addr; /* physical address of the buffer */
1041 u32 buf_cookie; /* cookie for access to RX buffer in rx path */
1042 u16 reserved2; /* gem_port_id (for future use, PON) */
1043 u16 reserved3; /* csum_l4 (for future use, PnC) */
1044 u8 reserved4; /* bm_qset (for future use, BM) */
1046 u16 reserved6; /* classify_info (for future use, PnC) */
1047 u32 reserved7; /* flow_id (for future use, PnC) */
1051 /* HW TX descriptor for PPv2.2 */
1052 struct mvpp22_tx_desc {
1058 u64 buf_dma_addr_ptp;
1059 u64 buf_cookie_misc;
1062 /* HW RX descriptor for PPv2.2 */
1063 struct mvpp22_rx_desc {
1069 u64 buf_dma_addr_key_hash;
1070 u64 buf_cookie_misc;
1073 /* Opaque type used by the driver to manipulate the HW TX and RX
1076 struct mvpp2_tx_desc {
1078 struct mvpp21_tx_desc pp21;
1079 struct mvpp22_tx_desc pp22;
1083 struct mvpp2_rx_desc {
1085 struct mvpp21_rx_desc pp21;
1086 struct mvpp22_rx_desc pp22;
1090 /* Per-CPU Tx queue control */
1091 struct mvpp2_txq_pcpu {
1094 /* Number of Tx DMA descriptors in the descriptor ring */
1097 /* Number of currently used Tx DMA descriptor in the
1102 /* Number of Tx DMA descriptors reserved for each CPU */
1105 /* Index of last TX DMA descriptor that was inserted */
1108 /* Index of the TX DMA descriptor to be cleaned up */
1112 struct mvpp2_tx_queue {
1113 /* Physical number of this Tx queue */
1116 /* Logical number of this Tx queue */
1119 /* Number of Tx DMA descriptors in the descriptor ring */
1122 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1125 /* Per-CPU control of physical Tx queues */
1126 struct mvpp2_txq_pcpu __percpu *pcpu;
1130 /* Virtual address of thex Tx DMA descriptors array */
1131 struct mvpp2_tx_desc *descs;
1133 /* DMA address of the Tx DMA descriptors array */
1134 dma_addr_t descs_dma;
1136 /* Index of the last Tx DMA descriptor */
1139 /* Index of the next Tx DMA descriptor to process */
1140 int next_desc_to_proc;
1143 struct mvpp2_rx_queue {
1144 /* RX queue number, in the range 0-31 for physical RXQs */
1147 /* Num of rx descriptors in the rx descriptor ring */
1153 /* Virtual address of the RX DMA descriptors array */
1154 struct mvpp2_rx_desc *descs;
1156 /* DMA address of the RX DMA descriptors array */
1157 dma_addr_t descs_dma;
1159 /* Index of the last RX DMA descriptor */
1162 /* Index of the next RX DMA descriptor to process */
1163 int next_desc_to_proc;
1165 /* ID of port to which physical RXQ is mapped */
1168 /* Port's logic RXQ number to which physical RXQ is mapped */
1172 union mvpp2_prs_tcam_entry {
1173 u32 word[MVPP2_PRS_TCAM_WORDS];
1174 u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
1177 union mvpp2_prs_sram_entry {
1178 u32 word[MVPP2_PRS_SRAM_WORDS];
1179 u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
1182 struct mvpp2_prs_entry {
1184 union mvpp2_prs_tcam_entry tcam;
1185 union mvpp2_prs_sram_entry sram;
1188 struct mvpp2_prs_shadow {
1195 /* User defined offset */
1203 struct mvpp2_cls_flow_entry {
1205 u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS];
1208 struct mvpp2_cls_lookup_entry {
1214 struct mvpp2_bm_pool {
1215 /* Pool number in the range 0-7 */
1217 enum mvpp2_bm_type type;
1219 /* Buffer Pointers Pool External (BPPE) size */
1221 /* Number of buffers for this pool */
1223 /* Pool buffer size */
1228 /* BPPE virtual base address */
1229 unsigned long *virt_addr;
1230 /* BPPE DMA base address */
1231 dma_addr_t dma_addr;
1233 /* Ports using BM pool */
1237 /* Static declaractions */
1239 /* Number of RXQs used by single port */
1240 static int rxq_number = MVPP2_DEFAULT_RXQ;
1241 /* Number of TXQs used by single port */
1242 static int txq_number = MVPP2_DEFAULT_TXQ;
1246 #define MVPP2_DRIVER_NAME "mvpp2"
1247 #define MVPP2_DRIVER_VERSION "1.0"
1250 * U-Boot internal data, mostly uncached buffers for descriptors and data
1252 struct buffer_location {
1253 struct mvpp2_tx_desc *aggr_tx_descs;
1254 struct mvpp2_tx_desc *tx_descs;
1255 struct mvpp2_rx_desc *rx_descs;
1256 unsigned long *bm_pool[MVPP2_BM_POOLS_NUM];
1257 unsigned long *rx_buffer[MVPP2_BM_LONG_BUF_NUM];
1262 * All 4 interfaces use the same global buffer, since only one interface
1263 * can be enabled at once
1265 static struct buffer_location buffer_loc;
1268 * Page table entries are set to 1MB, or multiples of 1MB
1269 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1271 #define BD_SPACE (1 << 20)
1273 /* Utility/helper methods */
1275 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1277 writel(data, priv->base + offset);
1280 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1282 return readl(priv->base + offset);
1285 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1286 struct mvpp2_tx_desc *tx_desc,
1287 dma_addr_t dma_addr)
1289 if (port->priv->hw_version == MVPP21) {
1290 tx_desc->pp21.buf_dma_addr = dma_addr;
1292 u64 val = (u64)dma_addr;
1294 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1295 tx_desc->pp22.buf_dma_addr_ptp |= val;
1299 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1300 struct mvpp2_tx_desc *tx_desc,
1303 if (port->priv->hw_version == MVPP21)
1304 tx_desc->pp21.data_size = size;
1306 tx_desc->pp22.data_size = size;
1309 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1310 struct mvpp2_tx_desc *tx_desc,
1313 if (port->priv->hw_version == MVPP21)
1314 tx_desc->pp21.phys_txq = txq;
1316 tx_desc->pp22.phys_txq = txq;
1319 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1320 struct mvpp2_tx_desc *tx_desc,
1321 unsigned int command)
1323 if (port->priv->hw_version == MVPP21)
1324 tx_desc->pp21.command = command;
1326 tx_desc->pp22.command = command;
1329 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1330 struct mvpp2_tx_desc *tx_desc,
1331 unsigned int offset)
1333 if (port->priv->hw_version == MVPP21)
1334 tx_desc->pp21.packet_offset = offset;
1336 tx_desc->pp22.packet_offset = offset;
1339 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1340 struct mvpp2_rx_desc *rx_desc)
1342 if (port->priv->hw_version == MVPP21)
1343 return rx_desc->pp21.buf_dma_addr;
1345 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1348 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1349 struct mvpp2_rx_desc *rx_desc)
1351 if (port->priv->hw_version == MVPP21)
1352 return rx_desc->pp21.buf_cookie;
1354 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1357 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1358 struct mvpp2_rx_desc *rx_desc)
1360 if (port->priv->hw_version == MVPP21)
1361 return rx_desc->pp21.data_size;
1363 return rx_desc->pp22.data_size;
1366 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1367 struct mvpp2_rx_desc *rx_desc)
1369 if (port->priv->hw_version == MVPP21)
1370 return rx_desc->pp21.status;
1372 return rx_desc->pp22.status;
1375 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1377 txq_pcpu->txq_get_index++;
1378 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1379 txq_pcpu->txq_get_index = 0;
1382 /* Get number of physical egress port */
1383 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1385 return MVPP2_MAX_TCONT + port->id;
1388 /* Get number of physical TXQ */
1389 static inline int mvpp2_txq_phys(int port, int txq)
1391 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1394 /* Parser configuration routines */
1396 /* Update parser tcam and sram hw entries */
1397 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1401 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1404 /* Clear entry invalidation bit */
1405 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1407 /* Write tcam index - indirect access */
1408 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1409 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1410 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1412 /* Write sram index - indirect access */
1413 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1414 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1415 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1420 /* Read tcam entry from hw */
1421 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1425 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1428 /* Write tcam index - indirect access */
1429 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1431 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1432 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1433 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1434 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1436 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1437 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1439 /* Write sram index - indirect access */
1440 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1441 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1442 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1447 /* Invalidate tcam hw entry */
1448 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1450 /* Write index - indirect access */
1451 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1452 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1453 MVPP2_PRS_TCAM_INV_MASK);
1456 /* Enable shadow table entry and set its lookup ID */
1457 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1459 priv->prs_shadow[index].valid = true;
1460 priv->prs_shadow[index].lu = lu;
1463 /* Update ri fields in shadow table entry */
1464 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1465 unsigned int ri, unsigned int ri_mask)
1467 priv->prs_shadow[index].ri_mask = ri_mask;
1468 priv->prs_shadow[index].ri = ri;
1471 /* Update lookup field in tcam sw entry */
1472 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1474 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1476 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1477 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1480 /* Update mask for single port in tcam sw entry */
1481 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1482 unsigned int port, bool add)
1484 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1487 pe->tcam.byte[enable_off] &= ~(1 << port);
1489 pe->tcam.byte[enable_off] |= 1 << port;
1492 /* Update port map in tcam sw entry */
1493 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1496 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1497 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1499 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1500 pe->tcam.byte[enable_off] &= ~port_mask;
1501 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1504 /* Obtain port map from tcam sw entry */
1505 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1507 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1509 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1512 /* Set byte of data and its enable bits in tcam sw entry */
1513 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1514 unsigned int offs, unsigned char byte,
1515 unsigned char enable)
1517 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1518 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1521 /* Get byte of data and its enable bits from tcam sw entry */
1522 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1523 unsigned int offs, unsigned char *byte,
1524 unsigned char *enable)
1526 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1527 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1530 /* Set ethertype in tcam sw entry */
1531 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1532 unsigned short ethertype)
1534 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1535 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1538 /* Set bits in sram sw entry */
1539 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1542 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1545 /* Clear bits in sram sw entry */
1546 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1549 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1552 /* Update ri bits in sram sw entry */
1553 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1554 unsigned int bits, unsigned int mask)
1558 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1559 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1561 if (!(mask & BIT(i)))
1565 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1567 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1569 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1573 /* Update ai bits in sram sw entry */
1574 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1575 unsigned int bits, unsigned int mask)
1578 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1580 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1582 if (!(mask & BIT(i)))
1586 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1588 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1590 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1594 /* Read ai bits from sram sw entry */
1595 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1598 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1599 int ai_en_off = ai_off + 1;
1600 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1602 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1603 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1608 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1611 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1614 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1616 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1617 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1618 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1621 /* In the sram sw entry set sign and value of the next lookup offset
1622 * and the offset value generated to the classifier
1624 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1629 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1632 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1636 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1637 (unsigned char)shift;
1639 /* Reset and set operation */
1640 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1641 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1642 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1644 /* Set base offset as current */
1645 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1648 /* In the sram sw entry set sign and value of the user defined offset
1649 * generated to the classifier
1651 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1652 unsigned int type, int offset,
1657 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1658 offset = 0 - offset;
1660 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1664 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1665 MVPP2_PRS_SRAM_UDF_MASK);
1666 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1667 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1668 MVPP2_PRS_SRAM_UDF_BITS)] &=
1669 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1670 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1671 MVPP2_PRS_SRAM_UDF_BITS)] |=
1672 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1674 /* Set offset type */
1675 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1676 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1677 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1679 /* Set offset operation */
1680 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1681 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1682 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1684 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1685 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1686 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1687 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1689 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1690 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1691 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1693 /* Set base offset as current */
1694 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1697 /* Find parser flow entry */
1698 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1700 struct mvpp2_prs_entry *pe;
1703 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1706 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1708 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1709 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1712 if (!priv->prs_shadow[tid].valid ||
1713 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1717 mvpp2_prs_hw_read(priv, pe);
1718 bits = mvpp2_prs_sram_ai_get(pe);
1720 /* Sram store classification lookup ID in AI bits [5:0] */
1721 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1729 /* Return first free tcam index, seeking from start to end */
1730 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1738 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1739 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1741 for (tid = start; tid <= end; tid++) {
1742 if (!priv->prs_shadow[tid].valid)
1749 /* Enable/disable dropping all mac da's */
1750 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1752 struct mvpp2_prs_entry pe;
1754 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1755 /* Entry exist - update port only */
1756 pe.index = MVPP2_PE_DROP_ALL;
1757 mvpp2_prs_hw_read(priv, &pe);
1759 /* Entry doesn't exist - create new */
1760 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1761 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1762 pe.index = MVPP2_PE_DROP_ALL;
1764 /* Non-promiscuous mode for all ports - DROP unknown packets */
1765 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1766 MVPP2_PRS_RI_DROP_MASK);
1768 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1769 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1771 /* Update shadow table */
1772 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1774 /* Mask all ports */
1775 mvpp2_prs_tcam_port_map_set(&pe, 0);
1778 /* Update port mask */
1779 mvpp2_prs_tcam_port_set(&pe, port, add);
1781 mvpp2_prs_hw_write(priv, &pe);
1784 /* Set port to promiscuous mode */
1785 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1787 struct mvpp2_prs_entry pe;
1789 /* Promiscuous mode - Accept unknown packets */
1791 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1792 /* Entry exist - update port only */
1793 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1794 mvpp2_prs_hw_read(priv, &pe);
1796 /* Entry doesn't exist - create new */
1797 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1798 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1799 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1801 /* Continue - set next lookup */
1802 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1804 /* Set result info bits */
1805 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1806 MVPP2_PRS_RI_L2_CAST_MASK);
1808 /* Shift to ethertype */
1809 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1810 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1812 /* Mask all ports */
1813 mvpp2_prs_tcam_port_map_set(&pe, 0);
1815 /* Update shadow table */
1816 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1819 /* Update port mask */
1820 mvpp2_prs_tcam_port_set(&pe, port, add);
1822 mvpp2_prs_hw_write(priv, &pe);
1825 /* Accept multicast */
1826 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1829 struct mvpp2_prs_entry pe;
1830 unsigned char da_mc;
1832 /* Ethernet multicast address first byte is
1833 * 0x01 for IPv4 and 0x33 for IPv6
1835 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1837 if (priv->prs_shadow[index].valid) {
1838 /* Entry exist - update port only */
1840 mvpp2_prs_hw_read(priv, &pe);
1842 /* Entry doesn't exist - create new */
1843 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1844 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1847 /* Continue - set next lookup */
1848 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1850 /* Set result info bits */
1851 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1852 MVPP2_PRS_RI_L2_CAST_MASK);
1854 /* Update tcam entry data first byte */
1855 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1857 /* Shift to ethertype */
1858 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1859 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1861 /* Mask all ports */
1862 mvpp2_prs_tcam_port_map_set(&pe, 0);
1864 /* Update shadow table */
1865 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1868 /* Update port mask */
1869 mvpp2_prs_tcam_port_set(&pe, port, add);
1871 mvpp2_prs_hw_write(priv, &pe);
1874 /* Parser per-port initialization */
1875 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1876 int lu_max, int offset)
1881 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1882 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1883 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1884 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1886 /* Set maximum number of loops for packet received from port */
1887 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1888 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1889 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1890 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1892 /* Set initial offset for packet header extraction for the first
1895 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1896 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1897 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1898 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1901 /* Default flow entries initialization for all ports */
1902 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1904 struct mvpp2_prs_entry pe;
1907 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1908 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1909 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1910 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1912 /* Mask all ports */
1913 mvpp2_prs_tcam_port_map_set(&pe, 0);
1916 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1917 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1919 /* Update shadow table and hw entry */
1920 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1921 mvpp2_prs_hw_write(priv, &pe);
1925 /* Set default entry for Marvell Header field */
1926 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1928 struct mvpp2_prs_entry pe;
1930 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1932 pe.index = MVPP2_PE_MH_DEFAULT;
1933 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1934 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1935 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1936 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1938 /* Unmask all ports */
1939 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1941 /* Update shadow table and hw entry */
1942 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1943 mvpp2_prs_hw_write(priv, &pe);
1946 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1947 * multicast MAC addresses
1949 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1951 struct mvpp2_prs_entry pe;
1953 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1955 /* Non-promiscuous mode for all ports - DROP unknown packets */
1956 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1957 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1959 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1960 MVPP2_PRS_RI_DROP_MASK);
1961 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1962 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1964 /* Unmask all ports */
1965 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1967 /* Update shadow table and hw entry */
1968 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1969 mvpp2_prs_hw_write(priv, &pe);
1971 /* place holders only - no ports */
1972 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1973 mvpp2_prs_mac_promisc_set(priv, 0, false);
1974 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1975 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1978 /* Match basic ethertypes */
1979 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1981 struct mvpp2_prs_entry pe;
1984 /* Ethertype: PPPoE */
1985 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1986 MVPP2_PE_LAST_FREE_TID);
1990 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1991 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
1994 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
1996 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
1997 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1998 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
1999 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
2000 MVPP2_PRS_RI_PPPOE_MASK);
2002 /* Update shadow table and hw entry */
2003 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2004 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2005 priv->prs_shadow[pe.index].finish = false;
2006 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2007 MVPP2_PRS_RI_PPPOE_MASK);
2008 mvpp2_prs_hw_write(priv, &pe);
2010 /* Ethertype: ARP */
2011 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2012 MVPP2_PE_LAST_FREE_TID);
2016 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2017 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2020 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2022 /* Generate flow in the next iteration*/
2023 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2024 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2025 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2026 MVPP2_PRS_RI_L3_PROTO_MASK);
2028 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2030 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2032 /* Update shadow table and hw entry */
2033 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2034 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2035 priv->prs_shadow[pe.index].finish = true;
2036 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2037 MVPP2_PRS_RI_L3_PROTO_MASK);
2038 mvpp2_prs_hw_write(priv, &pe);
2040 /* Ethertype: LBTD */
2041 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2042 MVPP2_PE_LAST_FREE_TID);
2046 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2047 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2050 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2052 /* Generate flow in the next iteration*/
2053 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2054 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2055 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2056 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2057 MVPP2_PRS_RI_CPU_CODE_MASK |
2058 MVPP2_PRS_RI_UDF3_MASK);
2060 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2062 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2064 /* Update shadow table and hw entry */
2065 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2066 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2067 priv->prs_shadow[pe.index].finish = true;
2068 mvpp2_prs_shadow_ri_set(priv, pe.index, 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);
2072 mvpp2_prs_hw_write(priv, &pe);
2074 /* Ethertype: IPv4 without options */
2075 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2076 MVPP2_PE_LAST_FREE_TID);
2080 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2081 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2084 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2085 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2086 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2087 MVPP2_PRS_IPV4_HEAD_MASK |
2088 MVPP2_PRS_IPV4_IHL_MASK);
2090 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2091 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2092 MVPP2_PRS_RI_L3_PROTO_MASK);
2093 /* Skip eth_type + 4 bytes of IP header */
2094 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2095 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2097 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2099 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2101 /* Update shadow table and hw entry */
2102 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2103 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2104 priv->prs_shadow[pe.index].finish = false;
2105 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2106 MVPP2_PRS_RI_L3_PROTO_MASK);
2107 mvpp2_prs_hw_write(priv, &pe);
2109 /* Ethertype: IPv4 with options */
2110 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2111 MVPP2_PE_LAST_FREE_TID);
2117 /* Clear tcam data before updating */
2118 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2119 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2121 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2122 MVPP2_PRS_IPV4_HEAD,
2123 MVPP2_PRS_IPV4_HEAD_MASK);
2125 /* Clear ri before updating */
2126 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2127 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2128 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2129 MVPP2_PRS_RI_L3_PROTO_MASK);
2131 /* Update shadow table and hw entry */
2132 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2133 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2134 priv->prs_shadow[pe.index].finish = false;
2135 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2136 MVPP2_PRS_RI_L3_PROTO_MASK);
2137 mvpp2_prs_hw_write(priv, &pe);
2139 /* Ethertype: IPv6 without options */
2140 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2141 MVPP2_PE_LAST_FREE_TID);
2145 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2146 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2149 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2151 /* Skip DIP of IPV6 header */
2152 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2153 MVPP2_MAX_L3_ADDR_SIZE,
2154 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2155 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2156 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2157 MVPP2_PRS_RI_L3_PROTO_MASK);
2159 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2161 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2163 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2164 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2165 priv->prs_shadow[pe.index].finish = false;
2166 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2167 MVPP2_PRS_RI_L3_PROTO_MASK);
2168 mvpp2_prs_hw_write(priv, &pe);
2170 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2171 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2172 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2173 pe.index = MVPP2_PE_ETH_TYPE_UN;
2175 /* Unmask all ports */
2176 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2178 /* Generate flow in the next iteration*/
2179 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2180 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2181 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2182 MVPP2_PRS_RI_L3_PROTO_MASK);
2183 /* Set L3 offset even it's unknown L3 */
2184 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2186 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2188 /* Update shadow table and hw entry */
2189 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2190 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2191 priv->prs_shadow[pe.index].finish = true;
2192 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2193 MVPP2_PRS_RI_L3_PROTO_MASK);
2194 mvpp2_prs_hw_write(priv, &pe);
2199 /* Parser default initialization */
2200 static int mvpp2_prs_default_init(struct udevice *dev,
2205 /* Enable tcam table */
2206 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2208 /* Clear all tcam and sram entries */
2209 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2210 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2211 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2212 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2214 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2215 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2216 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2219 /* Invalidate all tcam entries */
2220 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2221 mvpp2_prs_hw_inv(priv, index);
2223 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2224 sizeof(struct mvpp2_prs_shadow),
2226 if (!priv->prs_shadow)
2229 /* Always start from lookup = 0 */
2230 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2231 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2232 MVPP2_PRS_PORT_LU_MAX, 0);
2234 mvpp2_prs_def_flow_init(priv);
2236 mvpp2_prs_mh_init(priv);
2238 mvpp2_prs_mac_init(priv);
2240 err = mvpp2_prs_etype_init(priv);
2247 /* Compare MAC DA with tcam entry data */
2248 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2249 const u8 *da, unsigned char *mask)
2251 unsigned char tcam_byte, tcam_mask;
2254 for (index = 0; index < ETH_ALEN; index++) {
2255 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2256 if (tcam_mask != mask[index])
2259 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2266 /* Find tcam entry with matched pair <MAC DA, port> */
2267 static struct mvpp2_prs_entry *
2268 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2269 unsigned char *mask, int udf_type)
2271 struct mvpp2_prs_entry *pe;
2274 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2277 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2279 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2280 for (tid = MVPP2_PE_FIRST_FREE_TID;
2281 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2282 unsigned int entry_pmap;
2284 if (!priv->prs_shadow[tid].valid ||
2285 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2286 (priv->prs_shadow[tid].udf != udf_type))
2290 mvpp2_prs_hw_read(priv, pe);
2291 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2293 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2302 /* Update parser's mac da entry */
2303 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2304 const u8 *da, bool add)
2306 struct mvpp2_prs_entry *pe;
2307 unsigned int pmap, len, ri;
2308 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2311 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2312 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2313 MVPP2_PRS_UDF_MAC_DEF);
2320 /* Create new TCAM entry */
2321 /* Find first range mac entry*/
2322 for (tid = MVPP2_PE_FIRST_FREE_TID;
2323 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2324 if (priv->prs_shadow[tid].valid &&
2325 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2326 (priv->prs_shadow[tid].udf ==
2327 MVPP2_PRS_UDF_MAC_RANGE))
2330 /* Go through the all entries from first to last */
2331 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2336 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2339 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2342 /* Mask all ports */
2343 mvpp2_prs_tcam_port_map_set(pe, 0);
2346 /* Update port mask */
2347 mvpp2_prs_tcam_port_set(pe, port, add);
2349 /* Invalidate the entry if no ports are left enabled */
2350 pmap = mvpp2_prs_tcam_port_map_get(pe);
2356 mvpp2_prs_hw_inv(priv, pe->index);
2357 priv->prs_shadow[pe->index].valid = false;
2362 /* Continue - set next lookup */
2363 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2365 /* Set match on DA */
2368 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2370 /* Set result info bits */
2371 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2373 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2374 MVPP2_PRS_RI_MAC_ME_MASK);
2375 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2376 MVPP2_PRS_RI_MAC_ME_MASK);
2378 /* Shift to ethertype */
2379 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2380 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2382 /* Update shadow table and hw entry */
2383 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2384 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2385 mvpp2_prs_hw_write(priv, pe);
2392 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2396 /* Remove old parser entry */
2397 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2402 /* Add new parser entry */
2403 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2407 /* Set addr in the device */
2408 memcpy(port->dev_addr, da, ETH_ALEN);
2413 /* Set prs flow for the port */
2414 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2416 struct mvpp2_prs_entry *pe;
2419 pe = mvpp2_prs_flow_find(port->priv, port->id);
2421 /* Such entry not exist */
2423 /* Go through the all entires from last to first */
2424 tid = mvpp2_prs_tcam_first_free(port->priv,
2425 MVPP2_PE_LAST_FREE_TID,
2426 MVPP2_PE_FIRST_FREE_TID);
2430 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2434 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2438 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2439 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2441 /* Update shadow table */
2442 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2445 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2446 mvpp2_prs_hw_write(port->priv, pe);
2452 /* Classifier configuration routines */
2454 /* Update classification flow table registers */
2455 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2456 struct mvpp2_cls_flow_entry *fe)
2458 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2459 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2460 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2461 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2464 /* Update classification lookup table register */
2465 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2466 struct mvpp2_cls_lookup_entry *le)
2470 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2471 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2472 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2475 /* Classifier default initialization */
2476 static void mvpp2_cls_init(struct mvpp2 *priv)
2478 struct mvpp2_cls_lookup_entry le;
2479 struct mvpp2_cls_flow_entry fe;
2482 /* Enable classifier */
2483 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2485 /* Clear classifier flow table */
2486 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2487 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2489 mvpp2_cls_flow_write(priv, &fe);
2492 /* Clear classifier lookup table */
2494 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2497 mvpp2_cls_lookup_write(priv, &le);
2500 mvpp2_cls_lookup_write(priv, &le);
2504 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2506 struct mvpp2_cls_lookup_entry le;
2509 /* Set way for the port */
2510 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2511 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2512 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2514 /* Pick the entry to be accessed in lookup ID decoding table
2515 * according to the way and lkpid.
2517 le.lkpid = port->id;
2521 /* Set initial CPU queue for receiving packets */
2522 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2523 le.data |= port->first_rxq;
2525 /* Disable classification engines */
2526 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2528 /* Update lookup ID table entry */
2529 mvpp2_cls_lookup_write(port->priv, &le);
2532 /* Set CPU queue number for oversize packets */
2533 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2537 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2538 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2540 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2541 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2543 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2544 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2545 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2548 /* Buffer Manager configuration routines */
2551 static int mvpp2_bm_pool_create(struct udevice *dev,
2553 struct mvpp2_bm_pool *bm_pool, int size)
2557 /* Number of buffer pointers must be a multiple of 16, as per
2558 * hardware constraints
2560 if (!IS_ALIGNED(size, 16))
2563 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2564 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2565 if (!bm_pool->virt_addr)
2568 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2569 MVPP2_BM_POOL_PTR_ALIGN)) {
2570 dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n",
2571 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2575 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2576 lower_32_bits(bm_pool->dma_addr));
2577 if (priv->hw_version == MVPP22)
2578 mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
2579 (upper_32_bits(bm_pool->dma_addr) &
2580 MVPP22_BM_POOL_BASE_HIGH_MASK));
2581 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2583 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2584 val |= MVPP2_BM_START_MASK;
2585 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2587 bm_pool->type = MVPP2_BM_FREE;
2588 bm_pool->size = size;
2589 bm_pool->pkt_size = 0;
2590 bm_pool->buf_num = 0;
2595 /* Set pool buffer size */
2596 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2597 struct mvpp2_bm_pool *bm_pool,
2602 bm_pool->buf_size = buf_size;
2604 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2605 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2608 /* Free all buffers from the pool */
2609 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2610 struct mvpp2_bm_pool *bm_pool)
2614 for (i = 0; i < bm_pool->buf_num; i++) {
2615 /* Allocate buffer back from the buffer manager */
2616 mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
2619 bm_pool->buf_num = 0;
2623 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2625 struct mvpp2_bm_pool *bm_pool)
2629 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2630 if (bm_pool->buf_num) {
2631 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2635 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2636 val |= MVPP2_BM_STOP_MASK;
2637 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2642 static int mvpp2_bm_pools_init(struct udevice *dev,
2646 struct mvpp2_bm_pool *bm_pool;
2648 /* Create all pools with maximum size */
2649 size = MVPP2_BM_POOL_SIZE_MAX;
2650 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2651 bm_pool = &priv->bm_pools[i];
2653 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2655 goto err_unroll_pools;
2656 mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
2661 dev_err(&pdev->dev, "failed to create BM pool %d, size %d\n", i, size);
2662 for (i = i - 1; i >= 0; i--)
2663 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2667 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2671 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2672 /* Mask BM all interrupts */
2673 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2674 /* Clear BM cause register */
2675 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2678 /* Allocate and initialize BM pools */
2679 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2680 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2681 if (!priv->bm_pools)
2684 err = mvpp2_bm_pools_init(dev, priv);
2690 /* Attach long pool to rxq */
2691 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2692 int lrxq, int long_pool)
2697 /* Get queue physical ID */
2698 prxq = port->rxqs[lrxq]->id;
2700 if (port->priv->hw_version == MVPP21)
2701 mask = MVPP21_RXQ_POOL_LONG_MASK;
2703 mask = MVPP22_RXQ_POOL_LONG_MASK;
2705 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2707 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2708 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2711 /* Set pool number in a BM cookie */
2712 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2716 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2717 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2722 /* Get pool number from a BM cookie */
2723 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2725 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2728 /* Release buffer to BM */
2729 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2730 dma_addr_t buf_dma_addr,
2731 unsigned long buf_phys_addr)
2733 if (port->priv->hw_version == MVPP22) {
2736 if (sizeof(dma_addr_t) == 8)
2737 val |= upper_32_bits(buf_dma_addr) &
2738 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2740 if (sizeof(phys_addr_t) == 8)
2741 val |= (upper_32_bits(buf_phys_addr)
2742 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2743 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2745 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2748 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2749 * returned in the "cookie" field of the RX
2750 * descriptor. Instead of storing the virtual address, we
2751 * store the physical address
2753 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2754 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2757 /* Refill BM pool */
2758 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2759 dma_addr_t dma_addr,
2760 phys_addr_t phys_addr)
2762 int pool = mvpp2_bm_cookie_pool_get(bm);
2764 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2767 /* Allocate buffers for the pool */
2768 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2769 struct mvpp2_bm_pool *bm_pool, int buf_num)
2774 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2775 netdev_err(port->dev,
2776 "cannot allocate %d buffers for pool %d\n",
2777 buf_num, bm_pool->id);
2781 for (i = 0; i < buf_num; i++) {
2782 mvpp2_bm_pool_put(port, bm_pool->id,
2783 (dma_addr_t)buffer_loc.rx_buffer[i],
2784 (unsigned long)buffer_loc.rx_buffer[i]);
2788 /* Update BM driver with number of buffers added to pool */
2789 bm_pool->buf_num += i;
2794 /* Notify the driver that BM pool is being used as specific type and return the
2795 * pool pointer on success
2797 static struct mvpp2_bm_pool *
2798 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2801 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2804 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2805 netdev_err(port->dev, "mixing pool types is forbidden\n");
2809 if (new_pool->type == MVPP2_BM_FREE)
2810 new_pool->type = type;
2812 /* Allocate buffers in case BM pool is used as long pool, but packet
2813 * size doesn't match MTU or BM pool hasn't being used yet
2815 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2816 (new_pool->pkt_size == 0)) {
2819 /* Set default buffer number or free all the buffers in case
2820 * the pool is not empty
2822 pkts_num = new_pool->buf_num;
2824 pkts_num = type == MVPP2_BM_SWF_LONG ?
2825 MVPP2_BM_LONG_BUF_NUM :
2826 MVPP2_BM_SHORT_BUF_NUM;
2828 mvpp2_bm_bufs_free(NULL,
2829 port->priv, new_pool);
2831 new_pool->pkt_size = pkt_size;
2833 /* Allocate buffers for this pool */
2834 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2835 if (num != pkts_num) {
2836 dev_err(dev, "pool %d: %d of %d allocated\n",
2837 new_pool->id, num, pkts_num);
2845 /* Initialize pools for swf */
2846 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2850 if (!port->pool_long) {
2852 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2855 if (!port->pool_long)
2858 port->pool_long->port_map |= (1 << port->id);
2860 for (rxq = 0; rxq < rxq_number; rxq++)
2861 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2867 /* Port configuration routines */
2869 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2873 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2875 switch (port->phy_interface) {
2876 case PHY_INTERFACE_MODE_SGMII:
2877 val |= MVPP2_GMAC_INBAND_AN_MASK;
2879 case PHY_INTERFACE_MODE_RGMII:
2880 case PHY_INTERFACE_MODE_RGMII_ID:
2881 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2883 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2886 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2889 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2893 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2894 val |= MVPP2_GMAC_FC_ADV_EN;
2895 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2898 static void mvpp2_port_enable(struct mvpp2_port *port)
2902 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2903 val |= MVPP2_GMAC_PORT_EN_MASK;
2904 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2905 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2908 static void mvpp2_port_disable(struct mvpp2_port *port)
2912 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2913 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2914 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2917 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2918 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2922 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2923 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2924 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2927 /* Configure loopback port */
2928 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2932 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2934 if (port->speed == 1000)
2935 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2937 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2939 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII)
2940 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2942 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2944 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2947 static void mvpp2_port_reset(struct mvpp2_port *port)
2951 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2952 ~MVPP2_GMAC_PORT_RESET_MASK;
2953 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2955 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2956 MVPP2_GMAC_PORT_RESET_MASK)
2960 /* Change maximum receive size of the port */
2961 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2965 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2966 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2967 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2968 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2969 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2972 /* PPv2.2 GoP/GMAC config */
2974 /* Set the MAC to reset or exit from reset */
2975 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2979 /* read - modify - write */
2980 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2982 val |= MVPP2_GMAC_PORT_RESET_MASK;
2984 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2985 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2993 * Configure port to working with Gig PCS or don't.
2995 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
2999 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3001 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3003 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3004 /* enable / disable PCS on this port */
3005 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3010 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3014 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3016 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3018 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3019 /* enable / disable PCS on this port */
3020 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3025 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3030 * Configure minimal level of the Tx FIFO before the lower part
3031 * starts to read a packet
3033 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3034 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3035 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3036 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3037 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3039 /* Disable bypass of sync module */
3040 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3041 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3042 /* configure DP clock select according to mode */
3043 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3044 /* configure QSGMII bypass according to mode */
3045 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3046 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3048 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3050 * Configure GIG MAC to 1000Base-X mode connected to a fiber
3053 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3054 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3056 /* configure AN 0x9268 */
3057 val = MVPP2_GMAC_EN_PCS_AN |
3058 MVPP2_GMAC_AN_BYPASS_EN |
3059 MVPP2_GMAC_CONFIG_MII_SPEED |
3060 MVPP2_GMAC_CONFIG_GMII_SPEED |
3061 MVPP2_GMAC_FC_ADV_EN |
3062 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3063 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3064 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3067 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3072 * Configure minimal level of the Tx FIFO before the lower part
3073 * starts to read a packet
3075 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3076 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3077 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3078 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3079 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3081 /* Disable bypass of sync module */
3082 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3083 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3084 /* configure DP clock select according to mode */
3085 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3086 /* configure QSGMII bypass according to mode */
3087 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3088 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3090 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3091 /* configure GIG MAC to SGMII mode */
3092 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3093 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3096 val = MVPP2_GMAC_EN_PCS_AN |
3097 MVPP2_GMAC_AN_BYPASS_EN |
3098 MVPP2_GMAC_AN_SPEED_EN |
3099 MVPP2_GMAC_EN_FC_AN |
3100 MVPP2_GMAC_AN_DUPLEX_EN |
3101 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3102 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3105 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3110 * Configure minimal level of the Tx FIFO before the lower part
3111 * starts to read a packet
3113 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3114 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3115 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3116 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3117 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3119 /* Disable bypass of sync module */
3120 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3121 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3122 /* configure DP clock select according to mode */
3123 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3124 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3125 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3126 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3128 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3129 /* configure GIG MAC to SGMII mode */
3130 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3131 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3133 /* configure AN 0xb8e8 */
3134 val = MVPP2_GMAC_AN_BYPASS_EN |
3135 MVPP2_GMAC_AN_SPEED_EN |
3136 MVPP2_GMAC_EN_FC_AN |
3137 MVPP2_GMAC_AN_DUPLEX_EN |
3138 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3139 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3142 /* Set the internal mux's to the required MAC in the GOP */
3143 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3147 /* Set TX FIFO thresholds */
3148 switch (port->phy_interface) {
3149 case PHY_INTERFACE_MODE_SGMII:
3150 if (port->phy_speed == 2500)
3151 gop_gmac_sgmii2_5_cfg(port);
3153 gop_gmac_sgmii_cfg(port);
3156 case PHY_INTERFACE_MODE_RGMII:
3157 case PHY_INTERFACE_MODE_RGMII_ID:
3158 gop_gmac_rgmii_cfg(port);
3165 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3166 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3167 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3168 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3169 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3171 /* PeriodicXonEn disable */
3172 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3173 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3174 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3179 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3183 /* relevant only for MAC0 (XLG0 and GMAC0) */
3184 if (port->gop_id > 0)
3187 /* configure 1Gig MAC mode */
3188 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3189 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3190 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3191 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3194 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3198 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3200 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3202 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3203 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3208 /* Set the internal mux's to the required PCS in the PI */
3209 static int gop_xpcs_mode(struct mvpp2_port *port, int num_of_lanes)
3214 switch (num_of_lanes) {
3228 /* configure XG MAC mode */
3229 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3230 val &= ~MVPP22_XPCS_PCSMODE_MASK;
3231 val &= ~MVPP22_XPCS_LANEACTIVE_MASK;
3232 val |= (2 * lane) << MVPP22_XPCS_LANEACTIVE_OFFS;
3233 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3238 static int gop_mpcs_mode(struct mvpp2_port *port)
3242 /* configure PCS40G COMMON CONTROL */
3243 val = readl(port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3244 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3245 writel(val, port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3247 /* configure PCS CLOCK RESET */
3248 val = readl(port->priv->mpcs_base + PCS_CLOCK_RESET);
3249 val &= ~CLK_DIVISION_RATIO_MASK;
3250 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3251 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3253 val &= ~CLK_DIV_PHASE_SET_MASK;
3254 val |= MAC_CLK_RESET_MASK;
3255 val |= RX_SD_CLK_RESET_MASK;
3256 val |= TX_SD_CLK_RESET_MASK;
3257 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3262 /* Set the internal mux's to the required MAC in the GOP */
3263 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3267 /* configure 10G MAC mode */
3268 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3269 val |= MVPP22_XLG_RX_FC_EN;
3270 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3272 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3273 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3274 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3275 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3277 /* read - modify - write */
3278 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3279 val &= ~MVPP22_XLG_MODE_DMA_1G;
3280 val |= MVPP22_XLG_FORWARD_PFC_EN;
3281 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3282 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3283 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3285 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3286 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3287 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3288 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3289 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3291 /* unmask link change interrupt */
3292 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3293 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3294 val |= 1; /* unmask summary bit */
3295 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3300 /* Set PCS to reset or exit from reset */
3301 static int gop_xpcs_reset(struct mvpp2_port *port, int reset)
3305 /* read - modify - write */
3306 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3308 val &= ~MVPP22_XPCS_PCSRESET;
3310 val |= MVPP22_XPCS_PCSRESET;
3311 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3316 /* Set the MAC to reset or exit from reset */
3317 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3321 /* read - modify - write */
3322 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3324 val &= ~MVPP22_XLG_MAC_RESETN;
3326 val |= MVPP22_XLG_MAC_RESETN;
3327 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3335 * Init physical port. Configures the port mode and all it's elements
3337 * Does not verify that the selected mode/port number is valid at the
3340 static int gop_port_init(struct mvpp2_port *port)
3342 int mac_num = port->gop_id;
3343 int num_of_act_lanes;
3345 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3346 netdev_err(NULL, "%s: illegal port number %d", __func__,
3351 switch (port->phy_interface) {
3352 case PHY_INTERFACE_MODE_RGMII:
3353 case PHY_INTERFACE_MODE_RGMII_ID:
3354 gop_gmac_reset(port, 1);
3357 gop_gpcs_mode_cfg(port, 0);
3358 gop_bypass_clk_cfg(port, 1);
3361 gop_gmac_mode_cfg(port);
3363 gop_gpcs_reset(port, 0);
3366 gop_gmac_reset(port, 0);
3369 case PHY_INTERFACE_MODE_SGMII:
3371 gop_gpcs_mode_cfg(port, 1);
3374 gop_gmac_mode_cfg(port);
3375 /* select proper Mac mode */
3376 gop_xlg_2_gig_mac_cfg(port);
3379 gop_gpcs_reset(port, 0);
3381 gop_gmac_reset(port, 0);
3384 case PHY_INTERFACE_MODE_SFI:
3385 num_of_act_lanes = 2;
3388 gop_xpcs_mode(port, num_of_act_lanes);
3389 gop_mpcs_mode(port);
3391 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3394 gop_xpcs_reset(port, 0);
3397 gop_xlg_mac_reset(port, 0);
3401 netdev_err(NULL, "%s: Requested port mode (%d) not supported\n",
3402 __func__, port->phy_interface);
3409 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3413 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3415 /* Enable port and MIB counters update */
3416 val |= MVPP22_XLG_PORT_EN;
3417 val &= ~MVPP22_XLG_MIBCNT_DIS;
3420 val &= ~MVPP22_XLG_PORT_EN;
3422 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3425 static void gop_port_enable(struct mvpp2_port *port, int enable)
3427 switch (port->phy_interface) {
3428 case PHY_INTERFACE_MODE_RGMII:
3429 case PHY_INTERFACE_MODE_RGMII_ID:
3430 case PHY_INTERFACE_MODE_SGMII:
3432 mvpp2_port_enable(port);
3434 mvpp2_port_disable(port);
3437 case PHY_INTERFACE_MODE_SFI:
3438 gop_xlg_mac_port_enable(port, enable);
3442 netdev_err(NULL, "%s: Wrong port mode (%d)\n", __func__,
3443 port->phy_interface);
3448 /* RFU1 functions */
3449 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3451 return readl(priv->rfu1_base + offset);
3454 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3456 writel(data, priv->rfu1_base + offset);
3459 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3464 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3465 val |= MV_NETC_GE_MAC2_SGMII;
3469 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3470 val |= MV_NETC_GE_MAC3_SGMII;
3471 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3472 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3473 val |= MV_NETC_GE_MAC3_RGMII;
3479 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3483 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3484 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3486 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3487 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3491 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3494 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3498 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3499 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3501 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3502 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3506 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3509 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3513 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3514 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3516 val <<= NETC_GOP_SOFT_RESET_OFFS;
3517 val &= NETC_GOP_SOFT_RESET_MASK;
3521 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3524 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3528 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3529 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3531 val <<= NETC_CLK_DIV_PHASE_OFFS;
3532 val &= NETC_CLK_DIV_PHASE_MASK;
3536 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3539 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3543 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3544 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3546 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3547 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3551 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3554 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3557 u32 reg, mask, offset;
3560 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3561 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3563 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3564 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3566 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3574 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3577 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3581 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3582 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3584 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3585 val &= NETC_BUS_WIDTH_SELECT_MASK;
3589 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3592 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3596 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3597 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3599 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3600 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3604 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3607 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3608 enum mv_netc_phase phase)
3611 case MV_NETC_FIRST_PHASE:
3612 /* Set Bus Width to HB mode = 1 */
3613 gop_netc_bus_width_select(priv, 1);
3614 /* Select RGMII mode */
3615 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3618 case MV_NETC_SECOND_PHASE:
3619 /* De-assert the relevant port HB reset */
3620 gop_netc_port_rf_reset(priv, gop_id, 1);
3625 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3626 enum mv_netc_phase phase)
3629 case MV_NETC_FIRST_PHASE:
3630 /* Set Bus Width to HB mode = 1 */
3631 gop_netc_bus_width_select(priv, 1);
3632 /* Select SGMII mode */
3634 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3638 /* Configure the sample stages */
3639 gop_netc_sample_stages_timing(priv, 0);
3640 /* Configure the ComPhy Selector */
3641 /* gop_netc_com_phy_selector_config(netComplex); */
3644 case MV_NETC_SECOND_PHASE:
3645 /* De-assert the relevant port HB reset */
3646 gop_netc_port_rf_reset(priv, gop_id, 1);
3651 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3653 u32 c = priv->netc_config;
3655 if (c & MV_NETC_GE_MAC2_SGMII)
3656 gop_netc_mac_to_sgmii(priv, 2, phase);
3658 gop_netc_mac_to_xgmii(priv, 2, phase);
3660 if (c & MV_NETC_GE_MAC3_SGMII) {
3661 gop_netc_mac_to_sgmii(priv, 3, phase);
3663 gop_netc_mac_to_xgmii(priv, 3, phase);
3664 if (c & MV_NETC_GE_MAC3_RGMII)
3665 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3667 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3670 /* Activate gop ports 0, 2, 3 */
3671 gop_netc_active_port(priv, 0, 1);
3672 gop_netc_active_port(priv, 2, 1);
3673 gop_netc_active_port(priv, 3, 1);
3675 if (phase == MV_NETC_SECOND_PHASE) {
3676 /* Enable the GOP internal clock logic */
3677 gop_netc_gop_clock_logic_set(priv, 1);
3678 /* De-assert GOP unit reset */
3679 gop_netc_gop_reset(priv, 1);
3685 /* Set defaults to the MVPP2 port */
3686 static void mvpp2_defaults_set(struct mvpp2_port *port)
3688 int tx_port_num, val, queue, ptxq, lrxq;
3690 if (port->priv->hw_version == MVPP21) {
3691 /* Configure port to loopback if needed */
3692 if (port->flags & MVPP2_F_LOOPBACK)
3693 mvpp2_port_loopback_set(port);
3695 /* Update TX FIFO MIN Threshold */
3696 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3697 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3698 /* Min. TX threshold must be less than minimal packet length */
3699 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3700 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3703 /* Disable Legacy WRR, Disable EJP, Release from reset */
3704 tx_port_num = mvpp2_egress_port(port);
3705 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3707 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3709 /* Close bandwidth for all queues */
3710 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3711 ptxq = mvpp2_txq_phys(port->id, queue);
3712 mvpp2_write(port->priv,
3713 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3716 /* Set refill period to 1 usec, refill tokens
3717 * and bucket size to maximum
3719 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3720 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3721 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3722 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3723 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3724 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3725 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3726 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3728 /* Set MaximumLowLatencyPacketSize value to 256 */
3729 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3730 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3731 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3733 /* Enable Rx cache snoop */
3734 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3735 queue = port->rxqs[lrxq]->id;
3736 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3737 val |= MVPP2_SNOOP_PKT_SIZE_MASK |
3738 MVPP2_SNOOP_BUF_HDR_MASK;
3739 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3743 /* Enable/disable receiving packets */
3744 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3749 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3750 queue = port->rxqs[lrxq]->id;
3751 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3752 val &= ~MVPP2_RXQ_DISABLE_MASK;
3753 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3757 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3762 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3763 queue = port->rxqs[lrxq]->id;
3764 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3765 val |= MVPP2_RXQ_DISABLE_MASK;
3766 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3770 /* Enable transmit via physical egress queue
3771 * - HW starts take descriptors from DRAM
3773 static void mvpp2_egress_enable(struct mvpp2_port *port)
3777 int tx_port_num = mvpp2_egress_port(port);
3779 /* Enable all initialized TXs. */
3781 for (queue = 0; queue < txq_number; queue++) {
3782 struct mvpp2_tx_queue *txq = port->txqs[queue];
3784 if (txq->descs != NULL)
3785 qmap |= (1 << queue);
3788 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3789 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3792 /* Disable transmit via physical egress queue
3793 * - HW doesn't take descriptors from DRAM
3795 static void mvpp2_egress_disable(struct mvpp2_port *port)
3799 int tx_port_num = mvpp2_egress_port(port);
3801 /* Issue stop command for active channels only */
3802 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3803 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3804 MVPP2_TXP_SCHED_ENQ_MASK;
3806 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3807 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3809 /* Wait for all Tx activity to terminate. */
3812 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3813 netdev_warn(port->dev,
3814 "Tx stop timed out, status=0x%08x\n",
3821 /* Check port TX Command register that all
3822 * Tx queues are stopped
3824 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3825 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3828 /* Rx descriptors helper methods */
3830 /* Get number of Rx descriptors occupied by received packets */
3832 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3834 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3836 return val & MVPP2_RXQ_OCCUPIED_MASK;
3839 /* Update Rx queue status with the number of occupied and available
3840 * Rx descriptor slots.
3843 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3844 int used_count, int free_count)
3846 /* Decrement the number of used descriptors and increment count
3847 * increment the number of free descriptors.
3849 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3851 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3854 /* Get pointer to next RX descriptor to be processed by SW */
3855 static inline struct mvpp2_rx_desc *
3856 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3858 int rx_desc = rxq->next_desc_to_proc;
3860 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3861 prefetch(rxq->descs + rxq->next_desc_to_proc);
3862 return rxq->descs + rx_desc;
3865 /* Set rx queue offset */
3866 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3867 int prxq, int offset)
3871 /* Convert offset from bytes to units of 32 bytes */
3872 offset = offset >> 5;
3874 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3875 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3878 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3879 MVPP2_RXQ_PACKET_OFFSET_MASK);
3881 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3884 /* Obtain BM cookie information from descriptor */
3885 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3886 struct mvpp2_rx_desc *rx_desc)
3888 int cpu = smp_processor_id();
3891 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3892 MVPP2_RXD_BM_POOL_ID_MASK) >>
3893 MVPP2_RXD_BM_POOL_ID_OFFS;
3895 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3896 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3899 /* Tx descriptors helper methods */
3901 /* Get number of Tx descriptors waiting to be transmitted by HW */
3902 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3903 struct mvpp2_tx_queue *txq)
3907 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3908 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3910 return val & MVPP2_TXQ_PENDING_MASK;
3913 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3914 static struct mvpp2_tx_desc *
3915 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3917 int tx_desc = txq->next_desc_to_proc;
3919 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3920 return txq->descs + tx_desc;
3923 /* Update HW with number of aggregated Tx descriptors to be sent */
3924 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3926 /* aggregated access - relevant TXQ number is written in TX desc */
3927 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3930 /* Get number of sent descriptors and decrement counter.
3931 * The number of sent descriptors is returned.
3934 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
3935 struct mvpp2_tx_queue *txq)
3939 /* Reading status reg resets transmitted descriptor counter */
3940 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
3942 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
3943 MVPP2_TRANSMITTED_COUNT_OFFSET;
3946 static void mvpp2_txq_sent_counter_clear(void *arg)
3948 struct mvpp2_port *port = arg;
3951 for (queue = 0; queue < txq_number; queue++) {
3952 int id = port->txqs[queue]->id;
3954 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
3958 /* Set max sizes for Tx queues */
3959 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
3962 int txq, tx_port_num;
3964 mtu = port->pkt_size * 8;
3965 if (mtu > MVPP2_TXP_MTU_MAX)
3966 mtu = MVPP2_TXP_MTU_MAX;
3968 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
3971 /* Indirect access to registers */
3972 tx_port_num = mvpp2_egress_port(port);
3973 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3976 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
3977 val &= ~MVPP2_TXP_MTU_MAX;
3979 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
3981 /* TXP token size and all TXQs token size must be larger that MTU */
3982 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
3983 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
3986 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
3988 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3991 for (txq = 0; txq < txq_number; txq++) {
3992 val = mvpp2_read(port->priv,
3993 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
3994 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
3998 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
4000 mvpp2_write(port->priv,
4001 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4007 /* Free Tx queue skbuffs */
4008 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4009 struct mvpp2_tx_queue *txq,
4010 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4014 for (i = 0; i < num; i++)
4015 mvpp2_txq_inc_get(txq_pcpu);
4018 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4021 int queue = fls(cause) - 1;
4023 return port->rxqs[queue];
4026 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4029 int queue = fls(cause) - 1;
4031 return port->txqs[queue];
4034 /* Rx/Tx queue initialization/cleanup methods */
4036 /* Allocate and initialize descriptors for aggr TXQ */
4037 static int mvpp2_aggr_txq_init(struct udevice *dev,
4038 struct mvpp2_tx_queue *aggr_txq,
4039 int desc_num, int cpu,
4044 /* Allocate memory for TX descriptors */
4045 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4046 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4047 if (!aggr_txq->descs)
4050 /* Make sure descriptor address is cache line size aligned */
4051 BUG_ON(aggr_txq->descs !=
4052 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4054 aggr_txq->last_desc = aggr_txq->size - 1;
4056 /* Aggr TXQ no reset WA */
4057 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4058 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4060 /* Set Tx descriptors queue starting address indirect
4063 if (priv->hw_version == MVPP21)
4064 txq_dma = aggr_txq->descs_dma;
4066 txq_dma = aggr_txq->descs_dma >>
4067 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4069 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4070 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4075 /* Create a specified Rx queue */
4076 static int mvpp2_rxq_init(struct mvpp2_port *port,
4077 struct mvpp2_rx_queue *rxq)
4082 rxq->size = port->rx_ring_size;
4084 /* Allocate memory for RX descriptors */
4085 rxq->descs = buffer_loc.rx_descs;
4086 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4090 BUG_ON(rxq->descs !=
4091 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4093 rxq->last_desc = rxq->size - 1;
4095 /* Zero occupied and non-occupied counters - direct access */
4096 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4098 /* Set Rx descriptors queue starting address - indirect access */
4099 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4100 if (port->priv->hw_version == MVPP21)
4101 rxq_dma = rxq->descs_dma;
4103 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4104 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4105 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4106 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4109 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4111 /* Add number of descriptors ready for receiving packets */
4112 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4117 /* Push packets received by the RXQ to BM pool */
4118 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4119 struct mvpp2_rx_queue *rxq)
4123 rx_received = mvpp2_rxq_received(port, rxq->id);
4127 for (i = 0; i < rx_received; i++) {
4128 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4129 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4131 mvpp2_pool_refill(port, bm,
4132 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4133 mvpp2_rxdesc_cookie_get(port, rx_desc));
4135 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4138 /* Cleanup Rx queue */
4139 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4140 struct mvpp2_rx_queue *rxq)
4142 mvpp2_rxq_drop_pkts(port, rxq);
4146 rxq->next_desc_to_proc = 0;
4149 /* Clear Rx descriptors queue starting address and size;
4150 * free descriptor number
4152 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4153 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4154 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4155 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4158 /* Create and initialize a Tx queue */
4159 static int mvpp2_txq_init(struct mvpp2_port *port,
4160 struct mvpp2_tx_queue *txq)
4163 int cpu, desc, desc_per_txq, tx_port_num;
4164 struct mvpp2_txq_pcpu *txq_pcpu;
4166 txq->size = port->tx_ring_size;
4168 /* Allocate memory for Tx descriptors */
4169 txq->descs = buffer_loc.tx_descs;
4170 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4174 /* Make sure descriptor address is cache line size aligned */
4175 BUG_ON(txq->descs !=
4176 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4178 txq->last_desc = txq->size - 1;
4180 /* Set Tx descriptors queue starting address - indirect access */
4181 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4182 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4183 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4184 MVPP2_TXQ_DESC_SIZE_MASK);
4185 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4186 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4187 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4188 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4189 val &= ~MVPP2_TXQ_PENDING_MASK;
4190 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4192 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4193 * for each existing TXQ.
4194 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4195 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4198 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4199 (txq->log_id * desc_per_txq);
4201 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4202 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4203 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4205 /* WRR / EJP configuration - indirect access */
4206 tx_port_num = mvpp2_egress_port(port);
4207 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4209 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4210 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4211 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4212 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4213 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4215 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4216 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4219 for_each_present_cpu(cpu) {
4220 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4221 txq_pcpu->size = txq->size;
4227 /* Free allocated TXQ resources */
4228 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4229 struct mvpp2_tx_queue *txq)
4233 txq->next_desc_to_proc = 0;
4236 /* Set minimum bandwidth for disabled TXQs */
4237 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4239 /* Set Tx descriptors queue starting address and size */
4240 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4241 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4242 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4245 /* Cleanup Tx ports */
4246 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4248 struct mvpp2_txq_pcpu *txq_pcpu;
4249 int delay, pending, cpu;
4252 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4253 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4254 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4255 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4257 /* The napi queue has been stopped so wait for all packets
4258 * to be transmitted.
4262 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4263 netdev_warn(port->dev,
4264 "port %d: cleaning queue %d timed out\n",
4265 port->id, txq->log_id);
4271 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4274 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4275 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4277 for_each_present_cpu(cpu) {
4278 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4280 /* Release all packets */
4281 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4284 txq_pcpu->count = 0;
4285 txq_pcpu->txq_put_index = 0;
4286 txq_pcpu->txq_get_index = 0;
4290 /* Cleanup all Tx queues */
4291 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4293 struct mvpp2_tx_queue *txq;
4297 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4299 /* Reset Tx ports and delete Tx queues */
4300 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4301 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4303 for (queue = 0; queue < txq_number; queue++) {
4304 txq = port->txqs[queue];
4305 mvpp2_txq_clean(port, txq);
4306 mvpp2_txq_deinit(port, txq);
4309 mvpp2_txq_sent_counter_clear(port);
4311 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4312 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4315 /* Cleanup all Rx queues */
4316 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4320 for (queue = 0; queue < rxq_number; queue++)
4321 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4324 /* Init all Rx queues for port */
4325 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4329 for (queue = 0; queue < rxq_number; queue++) {
4330 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4337 mvpp2_cleanup_rxqs(port);
4341 /* Init all tx queues for port */
4342 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4344 struct mvpp2_tx_queue *txq;
4347 for (queue = 0; queue < txq_number; queue++) {
4348 txq = port->txqs[queue];
4349 err = mvpp2_txq_init(port, txq);
4354 mvpp2_txq_sent_counter_clear(port);
4358 mvpp2_cleanup_txqs(port);
4363 static void mvpp2_link_event(struct mvpp2_port *port)
4365 struct phy_device *phydev = port->phy_dev;
4366 int status_change = 0;
4370 if ((port->speed != phydev->speed) ||
4371 (port->duplex != phydev->duplex)) {
4374 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4375 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4376 MVPP2_GMAC_CONFIG_GMII_SPEED |
4377 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4378 MVPP2_GMAC_AN_SPEED_EN |
4379 MVPP2_GMAC_AN_DUPLEX_EN);
4382 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4384 if (phydev->speed == SPEED_1000)
4385 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4386 else if (phydev->speed == SPEED_100)
4387 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4389 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4391 port->duplex = phydev->duplex;
4392 port->speed = phydev->speed;
4396 if (phydev->link != port->link) {
4397 if (!phydev->link) {
4402 port->link = phydev->link;
4406 if (status_change) {
4408 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4409 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4410 MVPP2_GMAC_FORCE_LINK_DOWN);
4411 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4412 mvpp2_egress_enable(port);
4413 mvpp2_ingress_enable(port);
4415 mvpp2_ingress_disable(port);
4416 mvpp2_egress_disable(port);
4421 /* Main RX/TX processing routines */
4423 /* Display more error info */
4424 static void mvpp2_rx_error(struct mvpp2_port *port,
4425 struct mvpp2_rx_desc *rx_desc)
4427 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4428 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4430 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4431 case MVPP2_RXD_ERR_CRC:
4432 netdev_err(port->dev, "bad rx status %08x (crc error), size=%zu\n",
4435 case MVPP2_RXD_ERR_OVERRUN:
4436 netdev_err(port->dev, "bad rx status %08x (overrun error), size=%zu\n",
4439 case MVPP2_RXD_ERR_RESOURCE:
4440 netdev_err(port->dev, "bad rx status %08x (resource error), size=%zu\n",
4446 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4447 static int mvpp2_rx_refill(struct mvpp2_port *port,
4448 struct mvpp2_bm_pool *bm_pool,
4449 u32 bm, dma_addr_t dma_addr)
4451 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4455 /* Set hw internals when starting port */
4456 static void mvpp2_start_dev(struct mvpp2_port *port)
4458 switch (port->phy_interface) {
4459 case PHY_INTERFACE_MODE_RGMII:
4460 case PHY_INTERFACE_MODE_RGMII_ID:
4461 case PHY_INTERFACE_MODE_SGMII:
4462 mvpp2_gmac_max_rx_size_set(port);
4467 mvpp2_txp_max_tx_size_set(port);
4469 if (port->priv->hw_version == MVPP21)
4470 mvpp2_port_enable(port);
4472 gop_port_enable(port, 1);
4475 /* Set hw internals when stopping port */
4476 static void mvpp2_stop_dev(struct mvpp2_port *port)
4478 /* Stop new packets from arriving to RXQs */
4479 mvpp2_ingress_disable(port);
4481 mvpp2_egress_disable(port);
4483 if (port->priv->hw_version == MVPP21)
4484 mvpp2_port_disable(port);
4486 gop_port_enable(port, 0);
4489 static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4491 struct phy_device *phy_dev;
4493 if (!port->init || port->link == 0) {
4494 phy_dev = dm_mdio_phy_connect(port->mdio_dev, port->phyaddr,
4495 dev, port->phy_interface);
4498 * If the phy doesn't match with any existing u-boot drivers the
4499 * phy framework will connect it to generic one which
4500 * uid == 0xffffffff. In this case act as if the phy wouldn't be
4501 * declared in dts. Otherwise in case of 3310 (for which the
4502 * driver doesn't exist) the link will not be correctly
4503 * detected. Removing phy entry from dts in case of 3310 is not
4504 * an option because it is required for the phy_fw_down
4508 phy_dev->drv->uid == 0xffffffff) {/* Generic phy */
4509 netdev_warn(port->dev,
4510 "Marking phy as invalid, link will not be checked\n");
4511 /* set phy_addr to invalid value */
4512 port->phyaddr = PHY_MAX_ADDR;
4513 mvpp2_egress_enable(port);
4514 mvpp2_ingress_enable(port);
4519 port->phy_dev = phy_dev;
4521 netdev_err(port->dev, "cannot connect to phy\n");
4524 phy_dev->supported &= PHY_GBIT_FEATURES;
4525 phy_dev->advertising = phy_dev->supported;
4527 port->phy_dev = phy_dev;
4532 phy_config(phy_dev);
4533 phy_startup(phy_dev);
4535 printf("%s: No link\n", phy_dev->dev->name);
4539 mvpp2_egress_enable(port);
4540 mvpp2_ingress_enable(port);
4544 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4546 unsigned char mac_bcast[ETH_ALEN] = {
4547 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4550 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4552 netdev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4555 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4556 port->dev_addr, true);
4558 netdev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4561 err = mvpp2_prs_def_flow(port);
4563 netdev_err(dev, "mvpp2_prs_def_flow failed\n");
4567 /* Allocate the Rx/Tx queues */
4568 err = mvpp2_setup_rxqs(port);
4570 netdev_err(port->dev, "cannot allocate Rx queues\n");
4574 err = mvpp2_setup_txqs(port);
4576 netdev_err(port->dev, "cannot allocate Tx queues\n");
4580 if (port->phyaddr < PHY_MAX_ADDR) {
4581 mvpp2_phy_connect(dev, port);
4582 mvpp2_link_event(port);
4584 mvpp2_egress_enable(port);
4585 mvpp2_ingress_enable(port);
4588 mvpp2_start_dev(port);
4593 /* No Device ops here in U-Boot */
4595 /* Driver initialization */
4597 static void mvpp2_port_power_up(struct mvpp2_port *port)
4599 struct mvpp2 *priv = port->priv;
4601 /* On PPv2.2 the GoP / interface configuration has already been done */
4602 if (priv->hw_version == MVPP21)
4603 mvpp2_port_mii_set(port);
4604 mvpp2_port_periodic_xon_disable(port);
4605 if (priv->hw_version == MVPP21)
4606 mvpp2_port_fc_adv_enable(port);
4607 mvpp2_port_reset(port);
4610 /* Initialize port HW */
4611 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4613 struct mvpp2 *priv = port->priv;
4614 struct mvpp2_txq_pcpu *txq_pcpu;
4615 int queue, cpu, err;
4617 if (port->first_rxq + rxq_number >
4618 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4622 mvpp2_egress_disable(port);
4623 if (priv->hw_version == MVPP21)
4624 mvpp2_port_disable(port);
4626 gop_port_enable(port, 0);
4628 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4633 /* Associate physical Tx queues to this port and initialize.
4634 * The mapping is predefined.
4636 for (queue = 0; queue < txq_number; queue++) {
4637 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4638 struct mvpp2_tx_queue *txq;
4640 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4644 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4649 txq->id = queue_phy_id;
4650 txq->log_id = queue;
4651 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4652 for_each_present_cpu(cpu) {
4653 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4654 txq_pcpu->cpu = cpu;
4657 port->txqs[queue] = txq;
4660 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4665 /* Allocate and initialize Rx queue for this port */
4666 for (queue = 0; queue < rxq_number; queue++) {
4667 struct mvpp2_rx_queue *rxq;
4669 /* Map physical Rx queue to port's logical Rx queue */
4670 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4673 /* Map this Rx queue to a physical queue */
4674 rxq->id = port->first_rxq + queue;
4675 rxq->port = port->id;
4676 rxq->logic_rxq = queue;
4678 port->rxqs[queue] = rxq;
4682 /* Create Rx descriptor rings */
4683 for (queue = 0; queue < rxq_number; queue++) {
4684 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4686 rxq->size = port->rx_ring_size;
4687 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4688 rxq->time_coal = MVPP2_RX_COAL_USEC;
4691 mvpp2_ingress_disable(port);
4693 /* Port default configuration */
4694 mvpp2_defaults_set(port);
4696 /* Port's classifier configuration */
4697 mvpp2_cls_oversize_rxq_set(port);
4698 mvpp2_cls_port_config(port);
4700 /* Provide an initial Rx packet size */
4701 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4703 /* Initialize pools for swf */
4704 err = mvpp2_swf_bm_pool_init(port);
4711 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4713 int port_node = dev_of_offset(dev);
4714 const char *phy_mode_str;
4721 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4725 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
4727 dev_err(&pdev->dev, "could not find phy address\n");
4730 parent = fdt_parent_offset(gd->fdt_blob, phy_node);
4731 ret = uclass_get_device_by_of_offset(UCLASS_MDIO, parent,
4736 /* phy_addr is set to invalid value */
4737 phyaddr = PHY_MAX_ADDR;
4740 phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
4742 phy_mode = phy_get_interface_by_name(phy_mode_str);
4743 if (phy_mode == -1) {
4744 dev_err(&pdev->dev, "incorrect phy mode\n");
4748 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4750 dev_err(&pdev->dev, "missing port-id value\n");
4754 #if CONFIG_IS_ENABLED(DM_GPIO)
4755 gpio_request_by_name(dev, "phy-reset-gpios", 0,
4756 &port->phy_reset_gpio, GPIOD_IS_OUT);
4757 gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
4758 &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
4763 * Not sure if this DT property "phy-speed" will get accepted, so
4764 * this might change later
4766 /* Get phy-speed for SGMII 2.5Gbps vs 1Gbps setup */
4767 port->phy_speed = fdtdec_get_int(gd->fdt_blob, port_node,
4771 if (port->priv->hw_version == MVPP21)
4772 port->first_rxq = port->id * rxq_number;
4774 port->first_rxq = port->id * port->priv->max_port_rxqs;
4775 port->phy_interface = phy_mode;
4776 port->phyaddr = phyaddr;
4781 #if CONFIG_IS_ENABLED(DM_GPIO)
4782 /* Port GPIO initialization */
4783 static void mvpp2_gpio_init(struct mvpp2_port *port)
4785 if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
4786 dm_gpio_set_value(&port->phy_reset_gpio, 1);
4788 dm_gpio_set_value(&port->phy_reset_gpio, 0);
4791 if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
4792 dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
4796 /* Ports initialization */
4797 static int mvpp2_port_probe(struct udevice *dev,
4798 struct mvpp2_port *port,
4804 port->tx_ring_size = MVPP2_MAX_TXD;
4805 port->rx_ring_size = MVPP2_MAX_RXD;
4807 err = mvpp2_port_init(dev, port);
4809 dev_err(&pdev->dev, "failed to init port %d\n", port->id);
4812 mvpp2_port_power_up(port);
4814 #if CONFIG_IS_ENABLED(DM_GPIO)
4815 mvpp2_gpio_init(port);
4818 priv->port_list[port->id] = port;
4823 /* Initialize decoding windows */
4824 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4830 for (i = 0; i < 6; i++) {
4831 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4832 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4835 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4840 for (i = 0; i < dram->num_cs; i++) {
4841 const struct mbus_dram_window *cs = dram->cs + i;
4843 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4844 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4845 dram->mbus_dram_target_id);
4847 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4848 (cs->size - 1) & 0xffff0000);
4850 win_enable |= (1 << i);
4853 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4856 /* Initialize Rx FIFO's */
4857 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4861 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4862 if (priv->hw_version == MVPP22) {
4865 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4866 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4868 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4869 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4870 } else if (port == 1) {
4872 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4873 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4875 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4876 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4879 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4880 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4882 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4883 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4886 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4887 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4888 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4889 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4893 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4894 MVPP2_RX_FIFO_PORT_MIN_PKT);
4895 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4898 /* Initialize Tx FIFO's */
4899 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4903 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4904 /* Port 0 supports 10KB TX FIFO */
4906 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4907 MVPP22_TX_FIFO_SIZE_MASK;
4909 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4910 MVPP22_TX_FIFO_SIZE_MASK;
4912 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4916 static void mvpp2_axi_init(struct mvpp2 *priv)
4918 u32 val, rdval, wrval;
4920 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4922 /* AXI Bridge Configuration */
4924 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
4925 << MVPP22_AXI_ATTR_CACHE_OFFS;
4926 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4927 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4929 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
4930 << MVPP22_AXI_ATTR_CACHE_OFFS;
4931 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4932 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4935 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
4936 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
4939 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
4940 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
4941 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
4942 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
4945 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
4946 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
4948 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
4949 << MVPP22_AXI_CODE_CACHE_OFFS;
4950 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
4951 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4952 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
4953 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
4955 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
4956 << MVPP22_AXI_CODE_CACHE_OFFS;
4957 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4958 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4960 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
4962 val = MVPP22_AXI_CODE_CACHE_WR_CACHE
4963 << MVPP22_AXI_CODE_CACHE_OFFS;
4964 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4965 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4967 mvpp2_write(priv, MVPP22_AXI_WR_SNOOP_CODE_REG, val);
4970 /* Initialize network controller common part HW */
4971 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
4973 const struct mbus_dram_target_info *dram_target_info;
4977 /* Checks for hardware constraints (U-Boot uses only one rxq) */
4978 if ((rxq_number > priv->max_port_rxqs) ||
4979 (txq_number > MVPP2_MAX_TXQ)) {
4980 dev_err(&pdev->dev, "invalid queue size parameter\n");
4984 if (priv->hw_version == MVPP22)
4985 mvpp2_axi_init(priv);
4987 /* MBUS windows configuration */
4988 dram_target_info = mvebu_mbus_dram_info();
4989 if (dram_target_info)
4990 mvpp2_conf_mbus_windows(dram_target_info, priv);
4993 if (priv->hw_version == MVPP21) {
4994 /* Disable HW PHY polling */
4995 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4996 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
4997 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4999 /* Enable HW PHY polling */
5000 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5001 val |= MVPP22_SMI_POLLING_EN;
5002 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5005 /* Allocate and initialize aggregated TXQs */
5006 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
5007 sizeof(struct mvpp2_tx_queue),
5009 if (!priv->aggr_txqs)
5012 for_each_present_cpu(i) {
5013 priv->aggr_txqs[i].id = i;
5014 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
5015 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
5016 MVPP2_AGGR_TXQ_SIZE, i, priv);
5022 mvpp2_rx_fifo_init(priv);
5025 if (priv->hw_version == MVPP22)
5026 mvpp2_tx_fifo_init(priv);
5028 if (priv->hw_version == MVPP21)
5029 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5030 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5032 /* Allow cache snoop when transmiting packets */
5033 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5035 /* Buffer Manager initialization */
5036 err = mvpp2_bm_init(dev, priv);
5040 /* Parser default initialization */
5041 err = mvpp2_prs_default_init(dev, priv);
5045 /* Classifier default initialization */
5046 mvpp2_cls_init(priv);
5051 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5053 struct mvpp2_port *port = dev_get_priv(dev);
5054 struct mvpp2_rx_desc *rx_desc;
5055 struct mvpp2_bm_pool *bm_pool;
5056 dma_addr_t dma_addr;
5058 int pool, rx_bytes, err;
5060 struct mvpp2_rx_queue *rxq;
5063 if (port->phyaddr < PHY_MAX_ADDR)
5064 if (!port->phy_dev->link)
5067 /* Process RX packets */
5068 rxq = port->rxqs[0];
5070 /* Get number of received packets and clamp the to-do */
5071 rx_received = mvpp2_rxq_received(port, rxq->id);
5073 /* Return if no packets are received */
5077 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5078 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5079 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5080 rx_bytes -= MVPP2_MH_SIZE;
5081 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5083 bm = mvpp2_bm_cookie_build(port, rx_desc);
5084 pool = mvpp2_bm_cookie_pool_get(bm);
5085 bm_pool = &port->priv->bm_pools[pool];
5087 /* In case of an error, release the requested buffer pointer
5088 * to the Buffer Manager. This request process is controlled
5089 * by the hardware, and the information about the buffer is
5090 * comprised by the RX descriptor.
5092 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5093 mvpp2_rx_error(port, rx_desc);
5094 /* Return the buffer to the pool */
5095 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5099 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5101 netdev_err(port->dev, "failed to refill BM pools\n");
5105 /* Update Rx queue management counters */
5107 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5109 /* give packet to stack - skip on first n bytes */
5110 data = (u8 *)dma_addr + 2 + 32;
5116 * No cache invalidation needed here, since the rx_buffer's are
5117 * located in a uncached memory region
5124 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5126 struct mvpp2_port *port = dev_get_priv(dev);
5127 struct mvpp2_tx_queue *txq, *aggr_txq;
5128 struct mvpp2_tx_desc *tx_desc;
5132 if (port->phyaddr < PHY_MAX_ADDR)
5133 if (!port->phy_dev->link)
5136 txq = port->txqs[0];
5137 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5139 /* Get a descriptor for the first part of the packet */
5140 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5141 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5142 mvpp2_txdesc_size_set(port, tx_desc, length);
5143 mvpp2_txdesc_offset_set(port, tx_desc,
5144 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5145 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5146 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5147 /* First and Last descriptor */
5148 mvpp2_txdesc_cmd_set(port, tx_desc,
5149 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5150 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5153 flush_dcache_range((unsigned long)packet,
5154 (unsigned long)packet + ALIGN(length, PKTALIGN));
5156 /* Enable transmit */
5158 mvpp2_aggr_txq_pend_desc_add(port, 1);
5160 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5164 if (timeout++ > 10000) {
5165 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5168 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5173 if (timeout++ > 10000) {
5174 printf("timeout: packet not sent\n");
5177 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5183 static int mvpp2_start(struct udevice *dev)
5185 struct eth_pdata *pdata = dev_get_platdata(dev);
5186 struct mvpp2_port *port = dev_get_priv(dev);
5188 /* Load current MAC address */
5189 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5191 /* Reconfigure parser accept the original MAC address */
5192 mvpp2_prs_update_mac_da(port, port->dev_addr);
5194 switch (port->phy_interface) {
5195 case PHY_INTERFACE_MODE_RGMII:
5196 case PHY_INTERFACE_MODE_RGMII_ID:
5197 case PHY_INTERFACE_MODE_SGMII:
5198 mvpp2_port_power_up(port);
5203 mvpp2_open(dev, port);
5208 static void mvpp2_stop(struct udevice *dev)
5210 struct mvpp2_port *port = dev_get_priv(dev);
5212 mvpp2_stop_dev(port);
5213 mvpp2_cleanup_rxqs(port);
5214 mvpp2_cleanup_txqs(port);
5217 static int mvpp2_write_hwaddr(struct udevice *dev)
5219 struct mvpp2_port *port = dev_get_priv(dev);
5221 return mvpp2_prs_update_mac_da(port, port->dev_addr);
5224 static int mvpp22_smi_phy_addr_cfg(struct mvpp2_port *port)
5226 writel(port->phyaddr, port->priv->iface_base +
5227 MVPP22_SMI_PHY_ADDR_REG(port->gop_id));
5232 static int mvpp2_base_probe(struct udevice *dev)
5234 struct mvpp2 *priv = dev_get_priv(dev);
5239 /* Save hw-version */
5240 priv->hw_version = dev_get_driver_data(dev);
5243 * U-Boot special buffer handling:
5245 * Allocate buffer area for descs and rx_buffers. This is only
5246 * done once for all interfaces. As only one interface can
5247 * be active. Make this area DMA-safe by disabling the D-cache
5250 /* Align buffer area for descs and rx_buffers to 1MiB */
5251 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5252 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5253 BD_SPACE, DCACHE_OFF);
5255 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5256 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5258 buffer_loc.tx_descs =
5259 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5260 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5262 buffer_loc.rx_descs =
5263 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5264 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5266 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5267 buffer_loc.bm_pool[i] =
5268 (unsigned long *)((unsigned long)bd_space + size);
5269 if (priv->hw_version == MVPP21)
5270 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5272 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5275 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5276 buffer_loc.rx_buffer[i] =
5277 (unsigned long *)((unsigned long)bd_space + size);
5278 size += RX_BUFFER_SIZE;
5281 /* Clear the complete area so that all descriptors are cleared */
5282 memset(bd_space, 0, size);
5284 /* Save base addresses for later use */
5285 priv->base = (void *)devfdt_get_addr_index(dev, 0);
5286 if (IS_ERR(priv->base))
5287 return PTR_ERR(priv->base);
5289 if (priv->hw_version == MVPP21) {
5290 priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
5291 if (IS_ERR(priv->lms_base))
5292 return PTR_ERR(priv->lms_base);
5294 priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
5295 if (IS_ERR(priv->iface_base))
5296 return PTR_ERR(priv->iface_base);
5298 /* Store common base addresses for all ports */
5299 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5300 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5301 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5304 if (priv->hw_version == MVPP21)
5305 priv->max_port_rxqs = 8;
5307 priv->max_port_rxqs = 32;
5312 static int mvpp2_probe(struct udevice *dev)
5314 struct mvpp2_port *port = dev_get_priv(dev);
5315 struct mvpp2 *priv = dev_get_priv(dev->parent);
5318 /* Only call the probe function for the parent once */
5319 if (!priv->probe_done)
5320 err = mvpp2_base_probe(dev->parent);
5324 err = phy_info_parse(dev, port);
5329 * We need the port specific io base addresses at this stage, since
5330 * gop_port_init() accesses these registers
5332 if (priv->hw_version == MVPP21) {
5333 int priv_common_regs_num = 2;
5335 port->base = (void __iomem *)devfdt_get_addr_index(
5336 dev->parent, priv_common_regs_num + port->id);
5337 if (IS_ERR(port->base))
5338 return PTR_ERR(port->base);
5340 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5342 if (port->id == -1) {
5343 dev_err(&pdev->dev, "missing gop-port-id value\n");
5347 port->base = priv->iface_base + MVPP22_PORT_BASE +
5348 port->gop_id * MVPP22_PORT_OFFSET;
5350 /* Set phy address of the port */
5351 if (port->phyaddr < PHY_MAX_ADDR)
5352 mvpp22_smi_phy_addr_cfg(port);
5355 gop_port_init(port);
5358 if (!priv->probe_done) {
5359 /* Initialize network controller */
5360 err = mvpp2_init(dev, priv);
5362 dev_err(&pdev->dev, "failed to initialize controller\n");
5365 priv->num_ports = 0;
5366 priv->probe_done = 1;
5369 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5373 if (priv->hw_version == MVPP22) {
5374 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5375 port->phy_interface);
5377 /* Netcomplex configurations for all ports */
5378 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5379 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5386 * Empty BM pool and stop its activity before the OS is started
5388 static int mvpp2_remove(struct udevice *dev)
5390 struct mvpp2_port *port = dev_get_priv(dev);
5391 struct mvpp2 *priv = port->priv;
5396 if (priv->num_ports)
5399 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
5400 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
5405 static const struct eth_ops mvpp2_ops = {
5406 .start = mvpp2_start,
5410 .write_hwaddr = mvpp2_write_hwaddr
5413 static struct driver mvpp2_driver = {
5416 .probe = mvpp2_probe,
5417 .remove = mvpp2_remove,
5419 .priv_auto_alloc_size = sizeof(struct mvpp2_port),
5420 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
5421 .flags = DM_FLAG_ACTIVE_DMA,
5425 * Use a MISC device to bind the n instances (child nodes) of the
5426 * network base controller in UCLASS_ETH.
5428 static int mvpp2_base_bind(struct udevice *parent)
5430 const void *blob = gd->fdt_blob;
5431 int node = dev_of_offset(parent);
5432 struct uclass_driver *drv;
5433 struct udevice *dev;
5434 struct eth_pdata *plat;
5440 /* Lookup eth driver */
5441 drv = lists_uclass_lookup(UCLASS_ETH);
5443 puts("Cannot find eth driver\n");
5447 base_id_add = base_id;
5449 fdt_for_each_subnode(subnode, blob, node) {
5450 /* Increment base_id for all subnodes, also the disabled ones */
5453 /* Skip disabled ports */
5454 if (!fdtdec_get_is_enabled(blob, subnode))
5457 plat = calloc(1, sizeof(*plat));
5461 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5464 name = calloc(1, 16);
5469 sprintf(name, "mvpp2-%d", id);
5471 /* Create child device UCLASS_ETH and bind it */
5472 device_bind(parent, &mvpp2_driver, name, plat, subnode, &dev);
5473 dev_set_of_offset(dev, subnode);
5479 static const struct udevice_id mvpp2_ids[] = {
5481 .compatible = "marvell,armada-375-pp2",
5485 .compatible = "marvell,armada-7k-pp22",
5491 U_BOOT_DRIVER(mvpp2_base) = {
5492 .name = "mvpp2_base",
5494 .of_match = mvpp2_ids,
5495 .bind = mvpp2_base_bind,
5496 .priv_auto_alloc_size = sizeof(struct mvpp2),