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;
1266 static int buffer_loc_init;
1269 * Page table entries are set to 1MB, or multiples of 1MB
1270 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1272 #define BD_SPACE (1 << 20)
1274 /* Utility/helper methods */
1276 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1278 writel(data, priv->base + offset);
1281 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1283 return readl(priv->base + offset);
1286 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1287 struct mvpp2_tx_desc *tx_desc,
1288 dma_addr_t dma_addr)
1290 if (port->priv->hw_version == MVPP21) {
1291 tx_desc->pp21.buf_dma_addr = dma_addr;
1293 u64 val = (u64)dma_addr;
1295 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1296 tx_desc->pp22.buf_dma_addr_ptp |= val;
1300 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1301 struct mvpp2_tx_desc *tx_desc,
1304 if (port->priv->hw_version == MVPP21)
1305 tx_desc->pp21.data_size = size;
1307 tx_desc->pp22.data_size = size;
1310 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1311 struct mvpp2_tx_desc *tx_desc,
1314 if (port->priv->hw_version == MVPP21)
1315 tx_desc->pp21.phys_txq = txq;
1317 tx_desc->pp22.phys_txq = txq;
1320 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1321 struct mvpp2_tx_desc *tx_desc,
1322 unsigned int command)
1324 if (port->priv->hw_version == MVPP21)
1325 tx_desc->pp21.command = command;
1327 tx_desc->pp22.command = command;
1330 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1331 struct mvpp2_tx_desc *tx_desc,
1332 unsigned int offset)
1334 if (port->priv->hw_version == MVPP21)
1335 tx_desc->pp21.packet_offset = offset;
1337 tx_desc->pp22.packet_offset = offset;
1340 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1341 struct mvpp2_rx_desc *rx_desc)
1343 if (port->priv->hw_version == MVPP21)
1344 return rx_desc->pp21.buf_dma_addr;
1346 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1349 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1350 struct mvpp2_rx_desc *rx_desc)
1352 if (port->priv->hw_version == MVPP21)
1353 return rx_desc->pp21.buf_cookie;
1355 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1358 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1359 struct mvpp2_rx_desc *rx_desc)
1361 if (port->priv->hw_version == MVPP21)
1362 return rx_desc->pp21.data_size;
1364 return rx_desc->pp22.data_size;
1367 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1368 struct mvpp2_rx_desc *rx_desc)
1370 if (port->priv->hw_version == MVPP21)
1371 return rx_desc->pp21.status;
1373 return rx_desc->pp22.status;
1376 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1378 txq_pcpu->txq_get_index++;
1379 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1380 txq_pcpu->txq_get_index = 0;
1383 /* Get number of physical egress port */
1384 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1386 return MVPP2_MAX_TCONT + port->id;
1389 /* Get number of physical TXQ */
1390 static inline int mvpp2_txq_phys(int port, int txq)
1392 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1395 /* Parser configuration routines */
1397 /* Update parser tcam and sram hw entries */
1398 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1402 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1405 /* Clear entry invalidation bit */
1406 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1408 /* Write tcam index - indirect access */
1409 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1410 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1411 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1413 /* Write sram index - indirect access */
1414 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1415 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1416 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1421 /* Read tcam entry from hw */
1422 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1426 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1429 /* Write tcam index - indirect access */
1430 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1432 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1433 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1434 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1435 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1437 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1438 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1440 /* Write sram index - indirect access */
1441 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1442 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1443 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1448 /* Invalidate tcam hw entry */
1449 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1451 /* Write index - indirect access */
1452 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1453 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1454 MVPP2_PRS_TCAM_INV_MASK);
1457 /* Enable shadow table entry and set its lookup ID */
1458 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1460 priv->prs_shadow[index].valid = true;
1461 priv->prs_shadow[index].lu = lu;
1464 /* Update ri fields in shadow table entry */
1465 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1466 unsigned int ri, unsigned int ri_mask)
1468 priv->prs_shadow[index].ri_mask = ri_mask;
1469 priv->prs_shadow[index].ri = ri;
1472 /* Update lookup field in tcam sw entry */
1473 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1475 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1477 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1478 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1481 /* Update mask for single port in tcam sw entry */
1482 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1483 unsigned int port, bool add)
1485 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1488 pe->tcam.byte[enable_off] &= ~(1 << port);
1490 pe->tcam.byte[enable_off] |= 1 << port;
1493 /* Update port map in tcam sw entry */
1494 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1497 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1498 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1500 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1501 pe->tcam.byte[enable_off] &= ~port_mask;
1502 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1505 /* Obtain port map from tcam sw entry */
1506 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1508 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1510 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1513 /* Set byte of data and its enable bits in tcam sw entry */
1514 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1515 unsigned int offs, unsigned char byte,
1516 unsigned char enable)
1518 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1519 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1522 /* Get byte of data and its enable bits from tcam sw entry */
1523 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1524 unsigned int offs, unsigned char *byte,
1525 unsigned char *enable)
1527 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1528 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1531 /* Set ethertype in tcam sw entry */
1532 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1533 unsigned short ethertype)
1535 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1536 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1539 /* Set bits in sram sw entry */
1540 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1543 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1546 /* Clear bits in sram sw entry */
1547 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1550 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1553 /* Update ri bits in sram sw entry */
1554 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1555 unsigned int bits, unsigned int mask)
1559 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1560 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1562 if (!(mask & BIT(i)))
1566 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1568 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1570 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1574 /* Update ai bits in sram sw entry */
1575 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1576 unsigned int bits, unsigned int mask)
1579 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1581 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1583 if (!(mask & BIT(i)))
1587 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1589 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1591 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1595 /* Read ai bits from sram sw entry */
1596 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1599 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1600 int ai_en_off = ai_off + 1;
1601 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1603 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1604 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1609 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1612 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1615 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1617 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1618 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1619 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1622 /* In the sram sw entry set sign and value of the next lookup offset
1623 * and the offset value generated to the classifier
1625 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1630 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1633 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1637 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1638 (unsigned char)shift;
1640 /* Reset and set operation */
1641 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1642 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1643 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1645 /* Set base offset as current */
1646 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1649 /* In the sram sw entry set sign and value of the user defined offset
1650 * generated to the classifier
1652 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1653 unsigned int type, int offset,
1658 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1659 offset = 0 - offset;
1661 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1665 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1666 MVPP2_PRS_SRAM_UDF_MASK);
1667 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1668 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1669 MVPP2_PRS_SRAM_UDF_BITS)] &=
1670 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1671 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1672 MVPP2_PRS_SRAM_UDF_BITS)] |=
1673 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1675 /* Set offset type */
1676 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1677 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1678 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1680 /* Set offset operation */
1681 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1682 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1683 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1685 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1686 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1687 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1688 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1690 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1691 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1692 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1694 /* Set base offset as current */
1695 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1698 /* Find parser flow entry */
1699 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1701 struct mvpp2_prs_entry *pe;
1704 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1707 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1709 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1710 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1713 if (!priv->prs_shadow[tid].valid ||
1714 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1718 mvpp2_prs_hw_read(priv, pe);
1719 bits = mvpp2_prs_sram_ai_get(pe);
1721 /* Sram store classification lookup ID in AI bits [5:0] */
1722 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1730 /* Return first free tcam index, seeking from start to end */
1731 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1739 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1740 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1742 for (tid = start; tid <= end; tid++) {
1743 if (!priv->prs_shadow[tid].valid)
1750 /* Enable/disable dropping all mac da's */
1751 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1753 struct mvpp2_prs_entry pe;
1755 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1756 /* Entry exist - update port only */
1757 pe.index = MVPP2_PE_DROP_ALL;
1758 mvpp2_prs_hw_read(priv, &pe);
1760 /* Entry doesn't exist - create new */
1761 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1762 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1763 pe.index = MVPP2_PE_DROP_ALL;
1765 /* Non-promiscuous mode for all ports - DROP unknown packets */
1766 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1767 MVPP2_PRS_RI_DROP_MASK);
1769 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1770 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1772 /* Update shadow table */
1773 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1775 /* Mask all ports */
1776 mvpp2_prs_tcam_port_map_set(&pe, 0);
1779 /* Update port mask */
1780 mvpp2_prs_tcam_port_set(&pe, port, add);
1782 mvpp2_prs_hw_write(priv, &pe);
1785 /* Set port to promiscuous mode */
1786 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1788 struct mvpp2_prs_entry pe;
1790 /* Promiscuous mode - Accept unknown packets */
1792 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1793 /* Entry exist - update port only */
1794 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1795 mvpp2_prs_hw_read(priv, &pe);
1797 /* Entry doesn't exist - create new */
1798 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1799 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1800 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1802 /* Continue - set next lookup */
1803 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1805 /* Set result info bits */
1806 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1807 MVPP2_PRS_RI_L2_CAST_MASK);
1809 /* Shift to ethertype */
1810 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1811 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1813 /* Mask all ports */
1814 mvpp2_prs_tcam_port_map_set(&pe, 0);
1816 /* Update shadow table */
1817 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1820 /* Update port mask */
1821 mvpp2_prs_tcam_port_set(&pe, port, add);
1823 mvpp2_prs_hw_write(priv, &pe);
1826 /* Accept multicast */
1827 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1830 struct mvpp2_prs_entry pe;
1831 unsigned char da_mc;
1833 /* Ethernet multicast address first byte is
1834 * 0x01 for IPv4 and 0x33 for IPv6
1836 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1838 if (priv->prs_shadow[index].valid) {
1839 /* Entry exist - update port only */
1841 mvpp2_prs_hw_read(priv, &pe);
1843 /* Entry doesn't exist - create new */
1844 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1845 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1848 /* Continue - set next lookup */
1849 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1851 /* Set result info bits */
1852 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1853 MVPP2_PRS_RI_L2_CAST_MASK);
1855 /* Update tcam entry data first byte */
1856 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1858 /* Shift to ethertype */
1859 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1860 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1862 /* Mask all ports */
1863 mvpp2_prs_tcam_port_map_set(&pe, 0);
1865 /* Update shadow table */
1866 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1869 /* Update port mask */
1870 mvpp2_prs_tcam_port_set(&pe, port, add);
1872 mvpp2_prs_hw_write(priv, &pe);
1875 /* Parser per-port initialization */
1876 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1877 int lu_max, int offset)
1882 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1883 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1884 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1885 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1887 /* Set maximum number of loops for packet received from port */
1888 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1889 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1890 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1891 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1893 /* Set initial offset for packet header extraction for the first
1896 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1897 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1898 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1899 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1902 /* Default flow entries initialization for all ports */
1903 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1905 struct mvpp2_prs_entry pe;
1908 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1909 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1910 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1911 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1913 /* Mask all ports */
1914 mvpp2_prs_tcam_port_map_set(&pe, 0);
1917 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1918 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1920 /* Update shadow table and hw entry */
1921 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1922 mvpp2_prs_hw_write(priv, &pe);
1926 /* Set default entry for Marvell Header field */
1927 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1929 struct mvpp2_prs_entry pe;
1931 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1933 pe.index = MVPP2_PE_MH_DEFAULT;
1934 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1935 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1936 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1937 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1939 /* Unmask all ports */
1940 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1942 /* Update shadow table and hw entry */
1943 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1944 mvpp2_prs_hw_write(priv, &pe);
1947 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1948 * multicast MAC addresses
1950 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1952 struct mvpp2_prs_entry pe;
1954 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1956 /* Non-promiscuous mode for all ports - DROP unknown packets */
1957 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1958 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1960 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1961 MVPP2_PRS_RI_DROP_MASK);
1962 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1963 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1965 /* Unmask all ports */
1966 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1968 /* Update shadow table and hw entry */
1969 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1970 mvpp2_prs_hw_write(priv, &pe);
1972 /* place holders only - no ports */
1973 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1974 mvpp2_prs_mac_promisc_set(priv, 0, false);
1975 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1976 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1979 /* Match basic ethertypes */
1980 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1982 struct mvpp2_prs_entry pe;
1985 /* Ethertype: PPPoE */
1986 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1987 MVPP2_PE_LAST_FREE_TID);
1991 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1992 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
1995 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
1997 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
1998 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1999 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
2000 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
2001 MVPP2_PRS_RI_PPPOE_MASK);
2003 /* Update shadow table and hw entry */
2004 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2005 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2006 priv->prs_shadow[pe.index].finish = false;
2007 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2008 MVPP2_PRS_RI_PPPOE_MASK);
2009 mvpp2_prs_hw_write(priv, &pe);
2011 /* Ethertype: ARP */
2012 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2013 MVPP2_PE_LAST_FREE_TID);
2017 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2018 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2021 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2023 /* Generate flow in the next iteration*/
2024 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2025 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2026 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2027 MVPP2_PRS_RI_L3_PROTO_MASK);
2029 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2031 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2033 /* Update shadow table and hw entry */
2034 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2035 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2036 priv->prs_shadow[pe.index].finish = true;
2037 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2038 MVPP2_PRS_RI_L3_PROTO_MASK);
2039 mvpp2_prs_hw_write(priv, &pe);
2041 /* Ethertype: LBTD */
2042 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2043 MVPP2_PE_LAST_FREE_TID);
2047 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2048 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2051 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2053 /* Generate flow in the next iteration*/
2054 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2055 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2056 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2057 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2058 MVPP2_PRS_RI_CPU_CODE_MASK |
2059 MVPP2_PRS_RI_UDF3_MASK);
2061 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2063 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2065 /* Update shadow table and hw entry */
2066 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2067 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2068 priv->prs_shadow[pe.index].finish = true;
2069 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2070 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2071 MVPP2_PRS_RI_CPU_CODE_MASK |
2072 MVPP2_PRS_RI_UDF3_MASK);
2073 mvpp2_prs_hw_write(priv, &pe);
2075 /* Ethertype: IPv4 without options */
2076 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2077 MVPP2_PE_LAST_FREE_TID);
2081 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2082 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2085 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2086 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2087 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2088 MVPP2_PRS_IPV4_HEAD_MASK |
2089 MVPP2_PRS_IPV4_IHL_MASK);
2091 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2092 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2093 MVPP2_PRS_RI_L3_PROTO_MASK);
2094 /* Skip eth_type + 4 bytes of IP header */
2095 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2096 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2098 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2100 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2102 /* Update shadow table and hw entry */
2103 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2104 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2105 priv->prs_shadow[pe.index].finish = false;
2106 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2107 MVPP2_PRS_RI_L3_PROTO_MASK);
2108 mvpp2_prs_hw_write(priv, &pe);
2110 /* Ethertype: IPv4 with options */
2111 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2112 MVPP2_PE_LAST_FREE_TID);
2118 /* Clear tcam data before updating */
2119 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2120 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2122 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2123 MVPP2_PRS_IPV4_HEAD,
2124 MVPP2_PRS_IPV4_HEAD_MASK);
2126 /* Clear ri before updating */
2127 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2128 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2129 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2130 MVPP2_PRS_RI_L3_PROTO_MASK);
2132 /* Update shadow table and hw entry */
2133 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2134 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2135 priv->prs_shadow[pe.index].finish = false;
2136 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2137 MVPP2_PRS_RI_L3_PROTO_MASK);
2138 mvpp2_prs_hw_write(priv, &pe);
2140 /* Ethertype: IPv6 without options */
2141 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2142 MVPP2_PE_LAST_FREE_TID);
2146 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2147 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2150 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2152 /* Skip DIP of IPV6 header */
2153 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2154 MVPP2_MAX_L3_ADDR_SIZE,
2155 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2156 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2157 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2158 MVPP2_PRS_RI_L3_PROTO_MASK);
2160 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2162 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2164 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2165 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2166 priv->prs_shadow[pe.index].finish = false;
2167 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2168 MVPP2_PRS_RI_L3_PROTO_MASK);
2169 mvpp2_prs_hw_write(priv, &pe);
2171 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2172 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2173 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2174 pe.index = MVPP2_PE_ETH_TYPE_UN;
2176 /* Unmask all ports */
2177 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2179 /* Generate flow in the next iteration*/
2180 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2181 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2182 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2183 MVPP2_PRS_RI_L3_PROTO_MASK);
2184 /* Set L3 offset even it's unknown L3 */
2185 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2187 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2189 /* Update shadow table and hw entry */
2190 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2191 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2192 priv->prs_shadow[pe.index].finish = true;
2193 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2194 MVPP2_PRS_RI_L3_PROTO_MASK);
2195 mvpp2_prs_hw_write(priv, &pe);
2200 /* Parser default initialization */
2201 static int mvpp2_prs_default_init(struct udevice *dev,
2206 /* Enable tcam table */
2207 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2209 /* Clear all tcam and sram entries */
2210 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2211 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2212 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2213 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2215 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2216 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2217 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2220 /* Invalidate all tcam entries */
2221 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2222 mvpp2_prs_hw_inv(priv, index);
2224 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2225 sizeof(struct mvpp2_prs_shadow),
2227 if (!priv->prs_shadow)
2230 /* Always start from lookup = 0 */
2231 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2232 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2233 MVPP2_PRS_PORT_LU_MAX, 0);
2235 mvpp2_prs_def_flow_init(priv);
2237 mvpp2_prs_mh_init(priv);
2239 mvpp2_prs_mac_init(priv);
2241 err = mvpp2_prs_etype_init(priv);
2248 /* Compare MAC DA with tcam entry data */
2249 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2250 const u8 *da, unsigned char *mask)
2252 unsigned char tcam_byte, tcam_mask;
2255 for (index = 0; index < ETH_ALEN; index++) {
2256 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2257 if (tcam_mask != mask[index])
2260 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2267 /* Find tcam entry with matched pair <MAC DA, port> */
2268 static struct mvpp2_prs_entry *
2269 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2270 unsigned char *mask, int udf_type)
2272 struct mvpp2_prs_entry *pe;
2275 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2278 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2280 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2281 for (tid = MVPP2_PE_FIRST_FREE_TID;
2282 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2283 unsigned int entry_pmap;
2285 if (!priv->prs_shadow[tid].valid ||
2286 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2287 (priv->prs_shadow[tid].udf != udf_type))
2291 mvpp2_prs_hw_read(priv, pe);
2292 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2294 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2303 /* Update parser's mac da entry */
2304 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2305 const u8 *da, bool add)
2307 struct mvpp2_prs_entry *pe;
2308 unsigned int pmap, len, ri;
2309 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2312 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2313 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2314 MVPP2_PRS_UDF_MAC_DEF);
2321 /* Create new TCAM entry */
2322 /* Find first range mac entry*/
2323 for (tid = MVPP2_PE_FIRST_FREE_TID;
2324 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2325 if (priv->prs_shadow[tid].valid &&
2326 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2327 (priv->prs_shadow[tid].udf ==
2328 MVPP2_PRS_UDF_MAC_RANGE))
2331 /* Go through the all entries from first to last */
2332 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2337 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2340 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2343 /* Mask all ports */
2344 mvpp2_prs_tcam_port_map_set(pe, 0);
2347 /* Update port mask */
2348 mvpp2_prs_tcam_port_set(pe, port, add);
2350 /* Invalidate the entry if no ports are left enabled */
2351 pmap = mvpp2_prs_tcam_port_map_get(pe);
2357 mvpp2_prs_hw_inv(priv, pe->index);
2358 priv->prs_shadow[pe->index].valid = false;
2363 /* Continue - set next lookup */
2364 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2366 /* Set match on DA */
2369 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2371 /* Set result info bits */
2372 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2374 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2375 MVPP2_PRS_RI_MAC_ME_MASK);
2376 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2377 MVPP2_PRS_RI_MAC_ME_MASK);
2379 /* Shift to ethertype */
2380 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2381 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2383 /* Update shadow table and hw entry */
2384 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2385 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2386 mvpp2_prs_hw_write(priv, pe);
2393 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2397 /* Remove old parser entry */
2398 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2403 /* Add new parser entry */
2404 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2408 /* Set addr in the device */
2409 memcpy(port->dev_addr, da, ETH_ALEN);
2414 /* Set prs flow for the port */
2415 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2417 struct mvpp2_prs_entry *pe;
2420 pe = mvpp2_prs_flow_find(port->priv, port->id);
2422 /* Such entry not exist */
2424 /* Go through the all entires from last to first */
2425 tid = mvpp2_prs_tcam_first_free(port->priv,
2426 MVPP2_PE_LAST_FREE_TID,
2427 MVPP2_PE_FIRST_FREE_TID);
2431 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2435 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2439 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2440 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2442 /* Update shadow table */
2443 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2446 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2447 mvpp2_prs_hw_write(port->priv, pe);
2453 /* Classifier configuration routines */
2455 /* Update classification flow table registers */
2456 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2457 struct mvpp2_cls_flow_entry *fe)
2459 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2460 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2461 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2462 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2465 /* Update classification lookup table register */
2466 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2467 struct mvpp2_cls_lookup_entry *le)
2471 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2472 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2473 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2476 /* Classifier default initialization */
2477 static void mvpp2_cls_init(struct mvpp2 *priv)
2479 struct mvpp2_cls_lookup_entry le;
2480 struct mvpp2_cls_flow_entry fe;
2483 /* Enable classifier */
2484 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2486 /* Clear classifier flow table */
2487 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2488 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2490 mvpp2_cls_flow_write(priv, &fe);
2493 /* Clear classifier lookup table */
2495 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2498 mvpp2_cls_lookup_write(priv, &le);
2501 mvpp2_cls_lookup_write(priv, &le);
2505 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2507 struct mvpp2_cls_lookup_entry le;
2510 /* Set way for the port */
2511 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2512 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2513 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2515 /* Pick the entry to be accessed in lookup ID decoding table
2516 * according to the way and lkpid.
2518 le.lkpid = port->id;
2522 /* Set initial CPU queue for receiving packets */
2523 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2524 le.data |= port->first_rxq;
2526 /* Disable classification engines */
2527 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2529 /* Update lookup ID table entry */
2530 mvpp2_cls_lookup_write(port->priv, &le);
2533 /* Set CPU queue number for oversize packets */
2534 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2538 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2539 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2541 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2542 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2544 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2545 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2546 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2549 /* Buffer Manager configuration routines */
2552 static int mvpp2_bm_pool_create(struct udevice *dev,
2554 struct mvpp2_bm_pool *bm_pool, int size)
2558 /* Number of buffer pointers must be a multiple of 16, as per
2559 * hardware constraints
2561 if (!IS_ALIGNED(size, 16))
2564 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2565 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2566 if (!bm_pool->virt_addr)
2569 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2570 MVPP2_BM_POOL_PTR_ALIGN)) {
2571 dev_err(dev, "BM pool %d is not %d bytes aligned\n",
2572 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2576 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2577 lower_32_bits(bm_pool->dma_addr));
2578 if (priv->hw_version == MVPP22)
2579 mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
2580 (upper_32_bits(bm_pool->dma_addr) &
2581 MVPP22_BM_POOL_BASE_HIGH_MASK));
2582 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2584 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2585 val |= MVPP2_BM_START_MASK;
2586 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2588 bm_pool->type = MVPP2_BM_FREE;
2589 bm_pool->size = size;
2590 bm_pool->pkt_size = 0;
2591 bm_pool->buf_num = 0;
2596 /* Set pool buffer size */
2597 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2598 struct mvpp2_bm_pool *bm_pool,
2603 bm_pool->buf_size = buf_size;
2605 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2606 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2609 /* Free all buffers from the pool */
2610 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2611 struct mvpp2_bm_pool *bm_pool)
2615 for (i = 0; i < bm_pool->buf_num; i++) {
2616 /* Allocate buffer back from the buffer manager */
2617 mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
2620 bm_pool->buf_num = 0;
2624 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2626 struct mvpp2_bm_pool *bm_pool)
2630 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2631 if (bm_pool->buf_num) {
2632 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2636 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2637 val |= MVPP2_BM_STOP_MASK;
2638 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2643 static int mvpp2_bm_pools_init(struct udevice *dev,
2647 struct mvpp2_bm_pool *bm_pool;
2649 /* Create all pools with maximum size */
2650 size = MVPP2_BM_POOL_SIZE_MAX;
2651 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2652 bm_pool = &priv->bm_pools[i];
2654 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2656 goto err_unroll_pools;
2657 mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
2662 dev_err(dev, "failed to create BM pool %d, size %d\n", i, size);
2663 for (i = i - 1; i >= 0; i--)
2664 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2668 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2672 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2673 /* Mask BM all interrupts */
2674 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2675 /* Clear BM cause register */
2676 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2679 /* Allocate and initialize BM pools */
2680 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2681 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2682 if (!priv->bm_pools)
2685 err = mvpp2_bm_pools_init(dev, priv);
2691 /* Attach long pool to rxq */
2692 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2693 int lrxq, int long_pool)
2698 /* Get queue physical ID */
2699 prxq = port->rxqs[lrxq]->id;
2701 if (port->priv->hw_version == MVPP21)
2702 mask = MVPP21_RXQ_POOL_LONG_MASK;
2704 mask = MVPP22_RXQ_POOL_LONG_MASK;
2706 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2708 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2709 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2712 /* Set pool number in a BM cookie */
2713 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2717 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2718 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2723 /* Get pool number from a BM cookie */
2724 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2726 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2729 /* Release buffer to BM */
2730 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2731 dma_addr_t buf_dma_addr,
2732 unsigned long buf_phys_addr)
2734 if (port->priv->hw_version == MVPP22) {
2737 if (sizeof(dma_addr_t) == 8)
2738 val |= upper_32_bits(buf_dma_addr) &
2739 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2741 if (sizeof(phys_addr_t) == 8)
2742 val |= (upper_32_bits(buf_phys_addr)
2743 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2744 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2746 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2749 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2750 * returned in the "cookie" field of the RX
2751 * descriptor. Instead of storing the virtual address, we
2752 * store the physical address
2754 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2755 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2758 /* Refill BM pool */
2759 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2760 dma_addr_t dma_addr,
2761 phys_addr_t phys_addr)
2763 int pool = mvpp2_bm_cookie_pool_get(bm);
2765 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2768 /* Allocate buffers for the pool */
2769 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2770 struct mvpp2_bm_pool *bm_pool, int buf_num)
2775 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2776 dev_err(port->phy_dev->dev,
2777 "cannot allocate %d buffers for pool %d\n", buf_num,
2782 for (i = 0; i < buf_num; i++) {
2783 mvpp2_bm_pool_put(port, bm_pool->id,
2784 (dma_addr_t)buffer_loc.rx_buffer[i],
2785 (unsigned long)buffer_loc.rx_buffer[i]);
2789 /* Update BM driver with number of buffers added to pool */
2790 bm_pool->buf_num += i;
2795 /* Notify the driver that BM pool is being used as specific type and return the
2796 * pool pointer on success
2798 static struct mvpp2_bm_pool *
2799 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2802 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2805 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2806 dev_err(port->phy_dev->dev, "mixing pool types is forbidden\n");
2810 if (new_pool->type == MVPP2_BM_FREE)
2811 new_pool->type = type;
2813 /* Allocate buffers in case BM pool is used as long pool, but packet
2814 * size doesn't match MTU or BM pool hasn't being used yet
2816 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2817 (new_pool->pkt_size == 0)) {
2820 /* Set default buffer number or free all the buffers in case
2821 * the pool is not empty
2823 pkts_num = new_pool->buf_num;
2825 pkts_num = type == MVPP2_BM_SWF_LONG ?
2826 MVPP2_BM_LONG_BUF_NUM :
2827 MVPP2_BM_SHORT_BUF_NUM;
2829 mvpp2_bm_bufs_free(NULL,
2830 port->priv, new_pool);
2832 new_pool->pkt_size = pkt_size;
2834 /* Allocate buffers for this pool */
2835 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2836 if (num != pkts_num) {
2837 dev_err(port->phy_dev->dev,
2838 "pool %d: %d of %d allocated\n", new_pool->id,
2847 /* Initialize pools for swf */
2848 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2852 if (!port->pool_long) {
2854 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2857 if (!port->pool_long)
2860 port->pool_long->port_map |= (1 << port->id);
2862 for (rxq = 0; rxq < rxq_number; rxq++)
2863 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2869 /* Port configuration routines */
2871 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2875 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2877 switch (port->phy_interface) {
2878 case PHY_INTERFACE_MODE_SGMII:
2879 val |= MVPP2_GMAC_INBAND_AN_MASK;
2881 case PHY_INTERFACE_MODE_RGMII:
2882 case PHY_INTERFACE_MODE_RGMII_ID:
2883 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2885 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2888 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2891 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2895 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2896 val |= MVPP2_GMAC_FC_ADV_EN;
2897 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2900 static void mvpp2_port_enable(struct mvpp2_port *port)
2904 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2905 val |= MVPP2_GMAC_PORT_EN_MASK;
2906 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2907 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2910 static void mvpp2_port_disable(struct mvpp2_port *port)
2914 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2915 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2916 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2919 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2920 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2924 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2925 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2926 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2929 /* Configure loopback port */
2930 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2934 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2936 if (port->speed == 1000)
2937 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2939 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2941 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII)
2942 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2944 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2946 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2949 static void mvpp2_port_reset(struct mvpp2_port *port)
2953 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2954 ~MVPP2_GMAC_PORT_RESET_MASK;
2955 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2957 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2958 MVPP2_GMAC_PORT_RESET_MASK)
2962 /* Change maximum receive size of the port */
2963 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2967 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2968 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2969 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2970 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2971 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2974 /* PPv2.2 GoP/GMAC config */
2976 /* Set the MAC to reset or exit from reset */
2977 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2981 /* read - modify - write */
2982 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2984 val |= MVPP2_GMAC_PORT_RESET_MASK;
2986 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2987 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2995 * Configure port to working with Gig PCS or don't.
2997 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
3001 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3003 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3005 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3006 /* enable / disable PCS on this port */
3007 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3012 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3016 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3018 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3020 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3021 /* enable / disable PCS on this port */
3022 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3027 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3032 * Configure minimal level of the Tx FIFO before the lower part
3033 * starts to read a packet
3035 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3036 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3037 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3038 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3039 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3041 /* Disable bypass of sync module */
3042 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3043 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3044 /* configure DP clock select according to mode */
3045 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3046 /* configure QSGMII bypass according to mode */
3047 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3048 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3050 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3052 * Configure GIG MAC to 1000Base-X mode connected to a fiber
3055 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3056 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3058 /* configure AN 0x9268 */
3059 val = MVPP2_GMAC_EN_PCS_AN |
3060 MVPP2_GMAC_AN_BYPASS_EN |
3061 MVPP2_GMAC_CONFIG_MII_SPEED |
3062 MVPP2_GMAC_CONFIG_GMII_SPEED |
3063 MVPP2_GMAC_FC_ADV_EN |
3064 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3065 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3066 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3069 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3074 * Configure minimal level of the Tx FIFO before the lower part
3075 * starts to read a packet
3077 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3078 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3079 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3080 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3081 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3083 /* Disable bypass of sync module */
3084 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3085 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3086 /* configure DP clock select according to mode */
3087 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3088 /* configure QSGMII bypass according to mode */
3089 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3090 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3092 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3093 /* configure GIG MAC to SGMII mode */
3094 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3095 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3098 val = MVPP2_GMAC_EN_PCS_AN |
3099 MVPP2_GMAC_AN_BYPASS_EN |
3100 MVPP2_GMAC_AN_SPEED_EN |
3101 MVPP2_GMAC_EN_FC_AN |
3102 MVPP2_GMAC_AN_DUPLEX_EN |
3103 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3104 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3107 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3112 * Configure minimal level of the Tx FIFO before the lower part
3113 * starts to read a packet
3115 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3116 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3117 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3118 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3119 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3121 /* Disable bypass of sync module */
3122 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3123 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3124 /* configure DP clock select according to mode */
3125 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3126 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3127 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3128 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3130 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3131 /* configure GIG MAC to SGMII mode */
3132 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3133 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3135 /* configure AN 0xb8e8 */
3136 val = MVPP2_GMAC_AN_BYPASS_EN |
3137 MVPP2_GMAC_AN_SPEED_EN |
3138 MVPP2_GMAC_EN_FC_AN |
3139 MVPP2_GMAC_AN_DUPLEX_EN |
3140 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3141 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3144 /* Set the internal mux's to the required MAC in the GOP */
3145 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3149 /* Set TX FIFO thresholds */
3150 switch (port->phy_interface) {
3151 case PHY_INTERFACE_MODE_SGMII:
3152 if (port->phy_speed == 2500)
3153 gop_gmac_sgmii2_5_cfg(port);
3155 gop_gmac_sgmii_cfg(port);
3158 case PHY_INTERFACE_MODE_RGMII:
3159 case PHY_INTERFACE_MODE_RGMII_ID:
3160 gop_gmac_rgmii_cfg(port);
3167 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3168 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3169 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3170 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3171 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3173 /* PeriodicXonEn disable */
3174 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3175 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3176 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3181 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3185 /* relevant only for MAC0 (XLG0 and GMAC0) */
3186 if (port->gop_id > 0)
3189 /* configure 1Gig MAC mode */
3190 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3191 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3192 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3193 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3196 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3200 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3202 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3204 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3205 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3210 /* Set the internal mux's to the required PCS in the PI */
3211 static int gop_xpcs_mode(struct mvpp2_port *port, int num_of_lanes)
3216 switch (num_of_lanes) {
3230 /* configure XG MAC mode */
3231 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3232 val &= ~MVPP22_XPCS_PCSMODE_MASK;
3233 val &= ~MVPP22_XPCS_LANEACTIVE_MASK;
3234 val |= (2 * lane) << MVPP22_XPCS_LANEACTIVE_OFFS;
3235 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3240 static int gop_mpcs_mode(struct mvpp2_port *port)
3244 /* configure PCS40G COMMON CONTROL */
3245 val = readl(port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3246 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3247 writel(val, port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3249 /* configure PCS CLOCK RESET */
3250 val = readl(port->priv->mpcs_base + PCS_CLOCK_RESET);
3251 val &= ~CLK_DIVISION_RATIO_MASK;
3252 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3253 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3255 val &= ~CLK_DIV_PHASE_SET_MASK;
3256 val |= MAC_CLK_RESET_MASK;
3257 val |= RX_SD_CLK_RESET_MASK;
3258 val |= TX_SD_CLK_RESET_MASK;
3259 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3264 /* Set the internal mux's to the required MAC in the GOP */
3265 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3269 /* configure 10G MAC mode */
3270 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3271 val |= MVPP22_XLG_RX_FC_EN;
3272 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3274 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3275 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3276 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3277 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3279 /* read - modify - write */
3280 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3281 val &= ~MVPP22_XLG_MODE_DMA_1G;
3282 val |= MVPP22_XLG_FORWARD_PFC_EN;
3283 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3284 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3285 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3287 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3288 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3289 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3290 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3291 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3293 /* unmask link change interrupt */
3294 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3295 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3296 val |= 1; /* unmask summary bit */
3297 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3302 /* Set PCS to reset or exit from reset */
3303 static int gop_xpcs_reset(struct mvpp2_port *port, int reset)
3307 /* read - modify - write */
3308 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3310 val &= ~MVPP22_XPCS_PCSRESET;
3312 val |= MVPP22_XPCS_PCSRESET;
3313 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3318 /* Set the MAC to reset or exit from reset */
3319 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3323 /* read - modify - write */
3324 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3326 val &= ~MVPP22_XLG_MAC_RESETN;
3328 val |= MVPP22_XLG_MAC_RESETN;
3329 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3337 * Init physical port. Configures the port mode and all it's elements
3339 * Does not verify that the selected mode/port number is valid at the
3342 static int gop_port_init(struct mvpp2_port *port)
3344 int mac_num = port->gop_id;
3345 int num_of_act_lanes;
3347 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3348 log_err("illegal port number %d", mac_num);
3352 switch (port->phy_interface) {
3353 case PHY_INTERFACE_MODE_RGMII:
3354 case PHY_INTERFACE_MODE_RGMII_ID:
3355 gop_gmac_reset(port, 1);
3358 gop_gpcs_mode_cfg(port, 0);
3359 gop_bypass_clk_cfg(port, 1);
3362 gop_gmac_mode_cfg(port);
3364 gop_gpcs_reset(port, 0);
3367 gop_gmac_reset(port, 0);
3370 case PHY_INTERFACE_MODE_SGMII:
3372 gop_gpcs_mode_cfg(port, 1);
3375 gop_gmac_mode_cfg(port);
3376 /* select proper Mac mode */
3377 gop_xlg_2_gig_mac_cfg(port);
3380 gop_gpcs_reset(port, 0);
3382 gop_gmac_reset(port, 0);
3385 case PHY_INTERFACE_MODE_SFI:
3386 num_of_act_lanes = 2;
3389 gop_xpcs_mode(port, num_of_act_lanes);
3390 gop_mpcs_mode(port);
3392 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3395 gop_xpcs_reset(port, 0);
3398 gop_xlg_mac_reset(port, 0);
3402 log_err("Requested port mode (%d) not supported\n",
3403 port->phy_interface);
3410 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3414 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3416 /* Enable port and MIB counters update */
3417 val |= MVPP22_XLG_PORT_EN;
3418 val &= ~MVPP22_XLG_MIBCNT_DIS;
3421 val &= ~MVPP22_XLG_PORT_EN;
3423 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3426 static void gop_port_enable(struct mvpp2_port *port, int enable)
3428 switch (port->phy_interface) {
3429 case PHY_INTERFACE_MODE_RGMII:
3430 case PHY_INTERFACE_MODE_RGMII_ID:
3431 case PHY_INTERFACE_MODE_SGMII:
3433 mvpp2_port_enable(port);
3435 mvpp2_port_disable(port);
3438 case PHY_INTERFACE_MODE_SFI:
3439 gop_xlg_mac_port_enable(port, enable);
3443 log_err("%s: Wrong port mode (%d)\n", __func__,
3444 port->phy_interface);
3449 /* RFU1 functions */
3450 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3452 return readl(priv->rfu1_base + offset);
3455 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3457 writel(data, priv->rfu1_base + offset);
3460 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3465 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3466 val |= MV_NETC_GE_MAC2_SGMII;
3470 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3471 val |= MV_NETC_GE_MAC3_SGMII;
3472 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3473 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3474 val |= MV_NETC_GE_MAC3_RGMII;
3480 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3484 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3485 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3487 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3488 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3492 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3495 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3499 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3500 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3502 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3503 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3507 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3510 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3514 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3515 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3517 val <<= NETC_GOP_SOFT_RESET_OFFS;
3518 val &= NETC_GOP_SOFT_RESET_MASK;
3522 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3525 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3529 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3530 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3532 val <<= NETC_CLK_DIV_PHASE_OFFS;
3533 val &= NETC_CLK_DIV_PHASE_MASK;
3537 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3540 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3544 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3545 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3547 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3548 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3552 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3555 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3558 u32 reg, mask, offset;
3561 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3562 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3564 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3565 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3567 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3575 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3578 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3582 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3583 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3585 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3586 val &= NETC_BUS_WIDTH_SELECT_MASK;
3590 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3593 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3597 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3598 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3600 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3601 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3605 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3608 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3609 enum mv_netc_phase phase)
3612 case MV_NETC_FIRST_PHASE:
3613 /* Set Bus Width to HB mode = 1 */
3614 gop_netc_bus_width_select(priv, 1);
3615 /* Select RGMII mode */
3616 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3619 case MV_NETC_SECOND_PHASE:
3620 /* De-assert the relevant port HB reset */
3621 gop_netc_port_rf_reset(priv, gop_id, 1);
3626 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3627 enum mv_netc_phase phase)
3630 case MV_NETC_FIRST_PHASE:
3631 /* Set Bus Width to HB mode = 1 */
3632 gop_netc_bus_width_select(priv, 1);
3633 /* Select SGMII mode */
3635 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3639 /* Configure the sample stages */
3640 gop_netc_sample_stages_timing(priv, 0);
3641 /* Configure the ComPhy Selector */
3642 /* gop_netc_com_phy_selector_config(netComplex); */
3645 case MV_NETC_SECOND_PHASE:
3646 /* De-assert the relevant port HB reset */
3647 gop_netc_port_rf_reset(priv, gop_id, 1);
3652 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3654 u32 c = priv->netc_config;
3656 if (c & MV_NETC_GE_MAC2_SGMII)
3657 gop_netc_mac_to_sgmii(priv, 2, phase);
3659 gop_netc_mac_to_xgmii(priv, 2, phase);
3661 if (c & MV_NETC_GE_MAC3_SGMII) {
3662 gop_netc_mac_to_sgmii(priv, 3, phase);
3664 gop_netc_mac_to_xgmii(priv, 3, phase);
3665 if (c & MV_NETC_GE_MAC3_RGMII)
3666 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3668 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3671 /* Activate gop ports 0, 2, 3 */
3672 gop_netc_active_port(priv, 0, 1);
3673 gop_netc_active_port(priv, 2, 1);
3674 gop_netc_active_port(priv, 3, 1);
3676 if (phase == MV_NETC_SECOND_PHASE) {
3677 /* Enable the GOP internal clock logic */
3678 gop_netc_gop_clock_logic_set(priv, 1);
3679 /* De-assert GOP unit reset */
3680 gop_netc_gop_reset(priv, 1);
3686 /* Set defaults to the MVPP2 port */
3687 static void mvpp2_defaults_set(struct mvpp2_port *port)
3689 int tx_port_num, val, queue, ptxq, lrxq;
3691 if (port->priv->hw_version == MVPP21) {
3692 /* Configure port to loopback if needed */
3693 if (port->flags & MVPP2_F_LOOPBACK)
3694 mvpp2_port_loopback_set(port);
3696 /* Update TX FIFO MIN Threshold */
3697 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3698 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3699 /* Min. TX threshold must be less than minimal packet length */
3700 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3701 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3704 /* Disable Legacy WRR, Disable EJP, Release from reset */
3705 tx_port_num = mvpp2_egress_port(port);
3706 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3708 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3710 /* Close bandwidth for all queues */
3711 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3712 ptxq = mvpp2_txq_phys(port->id, queue);
3713 mvpp2_write(port->priv,
3714 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3717 /* Set refill period to 1 usec, refill tokens
3718 * and bucket size to maximum
3720 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3721 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3722 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3723 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3724 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3725 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3726 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3727 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3729 /* Set MaximumLowLatencyPacketSize value to 256 */
3730 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3731 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3732 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3734 /* Enable Rx cache snoop */
3735 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3736 queue = port->rxqs[lrxq]->id;
3737 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3738 val |= MVPP2_SNOOP_PKT_SIZE_MASK |
3739 MVPP2_SNOOP_BUF_HDR_MASK;
3740 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3744 /* Enable/disable receiving packets */
3745 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3750 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3751 queue = port->rxqs[lrxq]->id;
3752 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3753 val &= ~MVPP2_RXQ_DISABLE_MASK;
3754 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3758 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3763 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3764 queue = port->rxqs[lrxq]->id;
3765 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3766 val |= MVPP2_RXQ_DISABLE_MASK;
3767 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3771 /* Enable transmit via physical egress queue
3772 * - HW starts take descriptors from DRAM
3774 static void mvpp2_egress_enable(struct mvpp2_port *port)
3778 int tx_port_num = mvpp2_egress_port(port);
3780 /* Enable all initialized TXs. */
3782 for (queue = 0; queue < txq_number; queue++) {
3783 struct mvpp2_tx_queue *txq = port->txqs[queue];
3785 if (txq->descs != NULL)
3786 qmap |= (1 << queue);
3789 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3790 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3793 /* Disable transmit via physical egress queue
3794 * - HW doesn't take descriptors from DRAM
3796 static void mvpp2_egress_disable(struct mvpp2_port *port)
3800 int tx_port_num = mvpp2_egress_port(port);
3802 /* Issue stop command for active channels only */
3803 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3804 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3805 MVPP2_TXP_SCHED_ENQ_MASK;
3807 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3808 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3810 /* Wait for all Tx activity to terminate. */
3813 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3814 dev_warn(port->phy_dev->dev,
3815 "Tx stop timed out, status=0x%08x\n",
3822 /* Check port TX Command register that all
3823 * Tx queues are stopped
3825 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3826 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3829 /* Rx descriptors helper methods */
3831 /* Get number of Rx descriptors occupied by received packets */
3833 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3835 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3837 return val & MVPP2_RXQ_OCCUPIED_MASK;
3840 /* Update Rx queue status with the number of occupied and available
3841 * Rx descriptor slots.
3844 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3845 int used_count, int free_count)
3847 /* Decrement the number of used descriptors and increment count
3848 * increment the number of free descriptors.
3850 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3852 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3855 /* Get pointer to next RX descriptor to be processed by SW */
3856 static inline struct mvpp2_rx_desc *
3857 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3859 int rx_desc = rxq->next_desc_to_proc;
3861 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3862 prefetch(rxq->descs + rxq->next_desc_to_proc);
3863 return rxq->descs + rx_desc;
3866 /* Set rx queue offset */
3867 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3868 int prxq, int offset)
3872 /* Convert offset from bytes to units of 32 bytes */
3873 offset = offset >> 5;
3875 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3876 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3879 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3880 MVPP2_RXQ_PACKET_OFFSET_MASK);
3882 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3885 /* Obtain BM cookie information from descriptor */
3886 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3887 struct mvpp2_rx_desc *rx_desc)
3889 int cpu = smp_processor_id();
3892 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3893 MVPP2_RXD_BM_POOL_ID_MASK) >>
3894 MVPP2_RXD_BM_POOL_ID_OFFS;
3896 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3897 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3900 /* Tx descriptors helper methods */
3902 /* Get number of Tx descriptors waiting to be transmitted by HW */
3903 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3904 struct mvpp2_tx_queue *txq)
3908 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3909 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3911 return val & MVPP2_TXQ_PENDING_MASK;
3914 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3915 static struct mvpp2_tx_desc *
3916 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3918 int tx_desc = txq->next_desc_to_proc;
3920 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3921 return txq->descs + tx_desc;
3924 /* Update HW with number of aggregated Tx descriptors to be sent */
3925 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3927 /* aggregated access - relevant TXQ number is written in TX desc */
3928 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3931 /* Get number of sent descriptors and decrement counter.
3932 * The number of sent descriptors is returned.
3935 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
3936 struct mvpp2_tx_queue *txq)
3940 /* Reading status reg resets transmitted descriptor counter */
3941 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
3943 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
3944 MVPP2_TRANSMITTED_COUNT_OFFSET;
3947 static void mvpp2_txq_sent_counter_clear(void *arg)
3949 struct mvpp2_port *port = arg;
3952 for (queue = 0; queue < txq_number; queue++) {
3953 int id = port->txqs[queue]->id;
3955 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
3959 /* Set max sizes for Tx queues */
3960 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
3963 int txq, tx_port_num;
3965 mtu = port->pkt_size * 8;
3966 if (mtu > MVPP2_TXP_MTU_MAX)
3967 mtu = MVPP2_TXP_MTU_MAX;
3969 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
3972 /* Indirect access to registers */
3973 tx_port_num = mvpp2_egress_port(port);
3974 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3977 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
3978 val &= ~MVPP2_TXP_MTU_MAX;
3980 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
3982 /* TXP token size and all TXQs token size must be larger that MTU */
3983 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
3984 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
3987 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
3989 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3992 for (txq = 0; txq < txq_number; txq++) {
3993 val = mvpp2_read(port->priv,
3994 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
3995 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
3999 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
4001 mvpp2_write(port->priv,
4002 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4008 /* Free Tx queue skbuffs */
4009 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4010 struct mvpp2_tx_queue *txq,
4011 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4015 for (i = 0; i < num; i++)
4016 mvpp2_txq_inc_get(txq_pcpu);
4019 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4022 int queue = fls(cause) - 1;
4024 return port->rxqs[queue];
4027 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4030 int queue = fls(cause) - 1;
4032 return port->txqs[queue];
4035 /* Rx/Tx queue initialization/cleanup methods */
4037 /* Allocate and initialize descriptors for aggr TXQ */
4038 static int mvpp2_aggr_txq_init(struct udevice *dev,
4039 struct mvpp2_tx_queue *aggr_txq,
4040 int desc_num, int cpu,
4045 /* Allocate memory for TX descriptors */
4046 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4047 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4048 if (!aggr_txq->descs)
4051 /* Make sure descriptor address is cache line size aligned */
4052 BUG_ON(aggr_txq->descs !=
4053 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4055 aggr_txq->last_desc = aggr_txq->size - 1;
4057 /* Aggr TXQ no reset WA */
4058 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4059 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4061 /* Set Tx descriptors queue starting address indirect
4064 if (priv->hw_version == MVPP21)
4065 txq_dma = aggr_txq->descs_dma;
4067 txq_dma = aggr_txq->descs_dma >>
4068 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4070 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4071 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4076 /* Create a specified Rx queue */
4077 static int mvpp2_rxq_init(struct mvpp2_port *port,
4078 struct mvpp2_rx_queue *rxq)
4083 rxq->size = port->rx_ring_size;
4085 /* Allocate memory for RX descriptors */
4086 rxq->descs = buffer_loc.rx_descs;
4087 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4091 BUG_ON(rxq->descs !=
4092 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4094 rxq->last_desc = rxq->size - 1;
4096 /* Zero occupied and non-occupied counters - direct access */
4097 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4099 /* Set Rx descriptors queue starting address - indirect access */
4100 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4101 if (port->priv->hw_version == MVPP21)
4102 rxq_dma = rxq->descs_dma;
4104 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4105 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4106 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4107 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4110 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4112 /* Add number of descriptors ready for receiving packets */
4113 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4118 /* Push packets received by the RXQ to BM pool */
4119 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4120 struct mvpp2_rx_queue *rxq)
4124 rx_received = mvpp2_rxq_received(port, rxq->id);
4128 for (i = 0; i < rx_received; i++) {
4129 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4130 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4132 mvpp2_pool_refill(port, bm,
4133 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4134 mvpp2_rxdesc_cookie_get(port, rx_desc));
4136 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4139 /* Cleanup Rx queue */
4140 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4141 struct mvpp2_rx_queue *rxq)
4143 mvpp2_rxq_drop_pkts(port, rxq);
4147 rxq->next_desc_to_proc = 0;
4150 /* Clear Rx descriptors queue starting address and size;
4151 * free descriptor number
4153 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4154 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4155 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4156 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4159 /* Create and initialize a Tx queue */
4160 static int mvpp2_txq_init(struct mvpp2_port *port,
4161 struct mvpp2_tx_queue *txq)
4164 int cpu, desc, desc_per_txq, tx_port_num;
4165 struct mvpp2_txq_pcpu *txq_pcpu;
4167 txq->size = port->tx_ring_size;
4169 /* Allocate memory for Tx descriptors */
4170 txq->descs = buffer_loc.tx_descs;
4171 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4175 /* Make sure descriptor address is cache line size aligned */
4176 BUG_ON(txq->descs !=
4177 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4179 txq->last_desc = txq->size - 1;
4181 /* Set Tx descriptors queue starting address - indirect access */
4182 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4183 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4184 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4185 MVPP2_TXQ_DESC_SIZE_MASK);
4186 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4187 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4188 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4189 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4190 val &= ~MVPP2_TXQ_PENDING_MASK;
4191 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4193 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4194 * for each existing TXQ.
4195 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4196 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4199 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4200 (txq->log_id * desc_per_txq);
4202 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4203 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4204 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4206 /* WRR / EJP configuration - indirect access */
4207 tx_port_num = mvpp2_egress_port(port);
4208 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4210 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4211 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4212 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4213 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4214 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4216 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4217 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4220 for_each_present_cpu(cpu) {
4221 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4222 txq_pcpu->size = txq->size;
4228 /* Free allocated TXQ resources */
4229 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4230 struct mvpp2_tx_queue *txq)
4234 txq->next_desc_to_proc = 0;
4237 /* Set minimum bandwidth for disabled TXQs */
4238 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4240 /* Set Tx descriptors queue starting address and size */
4241 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4242 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4243 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4246 /* Cleanup Tx ports */
4247 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4249 struct mvpp2_txq_pcpu *txq_pcpu;
4250 int delay, pending, cpu;
4253 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4254 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4255 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4256 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4258 /* The napi queue has been stopped so wait for all packets
4259 * to be transmitted.
4263 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4264 dev_warn(port->phy_dev->dev,
4265 "port %d: cleaning queue %d timed out\n",
4266 port->id, txq->log_id);
4272 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4275 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4276 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4278 for_each_present_cpu(cpu) {
4279 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4281 /* Release all packets */
4282 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4285 txq_pcpu->count = 0;
4286 txq_pcpu->txq_put_index = 0;
4287 txq_pcpu->txq_get_index = 0;
4291 /* Cleanup all Tx queues */
4292 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4294 struct mvpp2_tx_queue *txq;
4298 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4300 /* Reset Tx ports and delete Tx queues */
4301 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4302 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4304 for (queue = 0; queue < txq_number; queue++) {
4305 txq = port->txqs[queue];
4306 mvpp2_txq_clean(port, txq);
4307 mvpp2_txq_deinit(port, txq);
4310 mvpp2_txq_sent_counter_clear(port);
4312 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4313 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4316 /* Cleanup all Rx queues */
4317 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4321 for (queue = 0; queue < rxq_number; queue++)
4322 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4325 /* Init all Rx queues for port */
4326 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4330 for (queue = 0; queue < rxq_number; queue++) {
4331 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4338 mvpp2_cleanup_rxqs(port);
4342 /* Init all tx queues for port */
4343 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4345 struct mvpp2_tx_queue *txq;
4348 for (queue = 0; queue < txq_number; queue++) {
4349 txq = port->txqs[queue];
4350 err = mvpp2_txq_init(port, txq);
4355 mvpp2_txq_sent_counter_clear(port);
4359 mvpp2_cleanup_txqs(port);
4364 static void mvpp2_link_event(struct mvpp2_port *port)
4366 struct phy_device *phydev = port->phy_dev;
4367 int status_change = 0;
4371 if ((port->speed != phydev->speed) ||
4372 (port->duplex != phydev->duplex)) {
4375 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4376 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4377 MVPP2_GMAC_CONFIG_GMII_SPEED |
4378 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4379 MVPP2_GMAC_AN_SPEED_EN |
4380 MVPP2_GMAC_AN_DUPLEX_EN);
4383 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4385 if (phydev->speed == SPEED_1000)
4386 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4387 else if (phydev->speed == SPEED_100)
4388 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4390 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4392 port->duplex = phydev->duplex;
4393 port->speed = phydev->speed;
4397 if (phydev->link != port->link) {
4398 if (!phydev->link) {
4403 port->link = phydev->link;
4407 if (status_change) {
4409 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4410 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4411 MVPP2_GMAC_FORCE_LINK_DOWN);
4412 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4413 mvpp2_egress_enable(port);
4414 mvpp2_ingress_enable(port);
4416 mvpp2_ingress_disable(port);
4417 mvpp2_egress_disable(port);
4422 /* Main RX/TX processing routines */
4424 /* Display more error info */
4425 static void mvpp2_rx_error(struct mvpp2_port *port,
4426 struct mvpp2_rx_desc *rx_desc)
4428 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4429 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4431 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4432 case MVPP2_RXD_ERR_CRC:
4433 dev_err(port->phy_dev->dev,
4434 "bad rx status %08x (crc error), size=%zu\n", status,
4437 case MVPP2_RXD_ERR_OVERRUN:
4438 dev_err(port->phy_dev->dev,
4439 "bad rx status %08x (overrun error), size=%zu\n",
4442 case MVPP2_RXD_ERR_RESOURCE:
4443 dev_err(port->phy_dev->dev,
4444 "bad rx status %08x (resource error), size=%zu\n",
4450 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4451 static int mvpp2_rx_refill(struct mvpp2_port *port,
4452 struct mvpp2_bm_pool *bm_pool,
4453 u32 bm, dma_addr_t dma_addr)
4455 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4459 /* Set hw internals when starting port */
4460 static void mvpp2_start_dev(struct mvpp2_port *port)
4462 switch (port->phy_interface) {
4463 case PHY_INTERFACE_MODE_RGMII:
4464 case PHY_INTERFACE_MODE_RGMII_ID:
4465 case PHY_INTERFACE_MODE_SGMII:
4466 mvpp2_gmac_max_rx_size_set(port);
4471 mvpp2_txp_max_tx_size_set(port);
4473 if (port->priv->hw_version == MVPP21)
4474 mvpp2_port_enable(port);
4476 gop_port_enable(port, 1);
4479 /* Set hw internals when stopping port */
4480 static void mvpp2_stop_dev(struct mvpp2_port *port)
4482 /* Stop new packets from arriving to RXQs */
4483 mvpp2_ingress_disable(port);
4485 mvpp2_egress_disable(port);
4487 if (port->priv->hw_version == MVPP21)
4488 mvpp2_port_disable(port);
4490 gop_port_enable(port, 0);
4493 static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4495 struct phy_device *phy_dev;
4497 if (!port->init || port->link == 0) {
4498 phy_dev = dm_mdio_phy_connect(port->mdio_dev, port->phyaddr,
4499 dev, port->phy_interface);
4502 * If the phy doesn't match with any existing u-boot drivers the
4503 * phy framework will connect it to generic one which
4504 * uid == 0xffffffff. In this case act as if the phy wouldn't be
4505 * declared in dts. Otherwise in case of 3310 (for which the
4506 * driver doesn't exist) the link will not be correctly
4507 * detected. Removing phy entry from dts in case of 3310 is not
4508 * an option because it is required for the phy_fw_down
4512 phy_dev->drv->uid == 0xffffffff) {/* Generic phy */
4513 dev_warn(port->phy_dev->dev,
4514 "Marking phy as invalid, link will not be checked\n");
4515 /* set phy_addr to invalid value */
4516 port->phyaddr = PHY_MAX_ADDR;
4517 mvpp2_egress_enable(port);
4518 mvpp2_ingress_enable(port);
4523 port->phy_dev = phy_dev;
4525 dev_err(port->phy_dev->dev, "cannot connect to phy\n");
4528 phy_dev->supported &= PHY_GBIT_FEATURES;
4529 phy_dev->advertising = phy_dev->supported;
4531 port->phy_dev = phy_dev;
4536 phy_config(phy_dev);
4537 phy_startup(phy_dev);
4539 printf("%s: No link\n", phy_dev->dev->name);
4543 mvpp2_egress_enable(port);
4544 mvpp2_ingress_enable(port);
4548 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4550 unsigned char mac_bcast[ETH_ALEN] = {
4551 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4554 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4556 dev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4559 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4560 port->dev_addr, true);
4562 dev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4565 err = mvpp2_prs_def_flow(port);
4567 dev_err(dev, "mvpp2_prs_def_flow failed\n");
4571 /* Allocate the Rx/Tx queues */
4572 err = mvpp2_setup_rxqs(port);
4574 dev_err(port->phy_dev->dev, "cannot allocate Rx queues\n");
4578 err = mvpp2_setup_txqs(port);
4580 dev_err(port->phy_dev->dev, "cannot allocate Tx queues\n");
4584 if (port->phyaddr < PHY_MAX_ADDR) {
4585 mvpp2_phy_connect(dev, port);
4586 mvpp2_link_event(port);
4588 mvpp2_egress_enable(port);
4589 mvpp2_ingress_enable(port);
4592 mvpp2_start_dev(port);
4597 /* No Device ops here in U-Boot */
4599 /* Driver initialization */
4601 static void mvpp2_port_power_up(struct mvpp2_port *port)
4603 struct mvpp2 *priv = port->priv;
4605 /* On PPv2.2 the GoP / interface configuration has already been done */
4606 if (priv->hw_version == MVPP21)
4607 mvpp2_port_mii_set(port);
4608 mvpp2_port_periodic_xon_disable(port);
4609 if (priv->hw_version == MVPP21)
4610 mvpp2_port_fc_adv_enable(port);
4611 mvpp2_port_reset(port);
4614 /* Initialize port HW */
4615 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4617 struct mvpp2 *priv = port->priv;
4618 struct mvpp2_txq_pcpu *txq_pcpu;
4619 int queue, cpu, err;
4621 if (port->first_rxq + rxq_number >
4622 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4626 mvpp2_egress_disable(port);
4627 if (priv->hw_version == MVPP21)
4628 mvpp2_port_disable(port);
4630 gop_port_enable(port, 0);
4632 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4637 /* Associate physical Tx queues to this port and initialize.
4638 * The mapping is predefined.
4640 for (queue = 0; queue < txq_number; queue++) {
4641 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4642 struct mvpp2_tx_queue *txq;
4644 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4648 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4653 txq->id = queue_phy_id;
4654 txq->log_id = queue;
4655 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4656 for_each_present_cpu(cpu) {
4657 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4658 txq_pcpu->cpu = cpu;
4661 port->txqs[queue] = txq;
4664 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4669 /* Allocate and initialize Rx queue for this port */
4670 for (queue = 0; queue < rxq_number; queue++) {
4671 struct mvpp2_rx_queue *rxq;
4673 /* Map physical Rx queue to port's logical Rx queue */
4674 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4677 /* Map this Rx queue to a physical queue */
4678 rxq->id = port->first_rxq + queue;
4679 rxq->port = port->id;
4680 rxq->logic_rxq = queue;
4682 port->rxqs[queue] = rxq;
4686 /* Create Rx descriptor rings */
4687 for (queue = 0; queue < rxq_number; queue++) {
4688 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4690 rxq->size = port->rx_ring_size;
4691 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4692 rxq->time_coal = MVPP2_RX_COAL_USEC;
4695 mvpp2_ingress_disable(port);
4697 /* Port default configuration */
4698 mvpp2_defaults_set(port);
4700 /* Port's classifier configuration */
4701 mvpp2_cls_oversize_rxq_set(port);
4702 mvpp2_cls_port_config(port);
4704 /* Provide an initial Rx packet size */
4705 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4707 /* Initialize pools for swf */
4708 err = mvpp2_swf_bm_pool_init(port);
4715 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4717 int port_node = dev_of_offset(dev);
4718 const char *phy_mode_str;
4725 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4729 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
4731 dev_err(dev, "could not find phy address\n");
4734 parent = fdt_parent_offset(gd->fdt_blob, phy_node);
4735 ret = uclass_get_device_by_of_offset(UCLASS_MDIO, parent,
4740 /* phy_addr is set to invalid value */
4741 phyaddr = PHY_MAX_ADDR;
4744 phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
4746 phy_mode = phy_get_interface_by_name(phy_mode_str);
4747 if (phy_mode == -1) {
4748 dev_err(dev, "incorrect phy mode\n");
4752 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4754 dev_err(dev, "missing port-id value\n");
4758 #if CONFIG_IS_ENABLED(DM_GPIO)
4759 gpio_request_by_name(dev, "phy-reset-gpios", 0,
4760 &port->phy_reset_gpio, GPIOD_IS_OUT);
4761 gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
4762 &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
4767 * Not sure if this DT property "phy-speed" will get accepted, so
4768 * this might change later
4770 /* Get phy-speed for SGMII 2.5Gbps vs 1Gbps setup */
4771 port->phy_speed = fdtdec_get_int(gd->fdt_blob, port_node,
4775 if (port->priv->hw_version == MVPP21)
4776 port->first_rxq = port->id * rxq_number;
4778 port->first_rxq = port->id * port->priv->max_port_rxqs;
4779 port->phy_interface = phy_mode;
4780 port->phyaddr = phyaddr;
4785 #if CONFIG_IS_ENABLED(DM_GPIO)
4786 /* Port GPIO initialization */
4787 static void mvpp2_gpio_init(struct mvpp2_port *port)
4789 if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
4790 dm_gpio_set_value(&port->phy_reset_gpio, 1);
4792 dm_gpio_set_value(&port->phy_reset_gpio, 0);
4795 if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
4796 dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
4800 /* Ports initialization */
4801 static int mvpp2_port_probe(struct udevice *dev,
4802 struct mvpp2_port *port,
4808 port->tx_ring_size = MVPP2_MAX_TXD;
4809 port->rx_ring_size = MVPP2_MAX_RXD;
4811 err = mvpp2_port_init(dev, port);
4813 dev_err(dev, "failed to init port %d\n", port->id);
4816 mvpp2_port_power_up(port);
4818 #if CONFIG_IS_ENABLED(DM_GPIO)
4819 mvpp2_gpio_init(port);
4822 priv->port_list[port->id] = port;
4827 /* Initialize decoding windows */
4828 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4834 for (i = 0; i < 6; i++) {
4835 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4836 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4839 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4844 for (i = 0; i < dram->num_cs; i++) {
4845 const struct mbus_dram_window *cs = dram->cs + i;
4847 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4848 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4849 dram->mbus_dram_target_id);
4851 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4852 (cs->size - 1) & 0xffff0000);
4854 win_enable |= (1 << i);
4857 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4860 /* Initialize Rx FIFO's */
4861 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4865 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4866 if (priv->hw_version == MVPP22) {
4869 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4870 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4872 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4873 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4874 } else if (port == 1) {
4876 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4877 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4879 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4880 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4883 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4884 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4886 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4887 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4890 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4891 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4892 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4893 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4897 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4898 MVPP2_RX_FIFO_PORT_MIN_PKT);
4899 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4902 /* Initialize Tx FIFO's */
4903 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4907 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4908 /* Port 0 supports 10KB TX FIFO */
4910 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4911 MVPP22_TX_FIFO_SIZE_MASK;
4913 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4914 MVPP22_TX_FIFO_SIZE_MASK;
4916 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4920 static void mvpp2_axi_init(struct mvpp2 *priv)
4922 u32 val, rdval, wrval;
4924 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4926 /* AXI Bridge Configuration */
4928 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
4929 << MVPP22_AXI_ATTR_CACHE_OFFS;
4930 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4931 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4933 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
4934 << MVPP22_AXI_ATTR_CACHE_OFFS;
4935 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4936 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4939 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
4940 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
4943 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
4944 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
4945 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
4946 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
4949 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
4950 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
4952 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
4953 << MVPP22_AXI_CODE_CACHE_OFFS;
4954 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
4955 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4956 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
4957 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
4959 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
4960 << MVPP22_AXI_CODE_CACHE_OFFS;
4961 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4962 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4964 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
4966 val = MVPP22_AXI_CODE_CACHE_WR_CACHE
4967 << MVPP22_AXI_CODE_CACHE_OFFS;
4968 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4969 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4971 mvpp2_write(priv, MVPP22_AXI_WR_SNOOP_CODE_REG, val);
4974 /* Initialize network controller common part HW */
4975 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
4977 const struct mbus_dram_target_info *dram_target_info;
4981 /* Checks for hardware constraints (U-Boot uses only one rxq) */
4982 if ((rxq_number > priv->max_port_rxqs) ||
4983 (txq_number > MVPP2_MAX_TXQ)) {
4984 dev_err(dev, "invalid queue size parameter\n");
4988 if (priv->hw_version == MVPP22)
4989 mvpp2_axi_init(priv);
4991 /* MBUS windows configuration */
4992 dram_target_info = mvebu_mbus_dram_info();
4993 if (dram_target_info)
4994 mvpp2_conf_mbus_windows(dram_target_info, priv);
4997 if (priv->hw_version == MVPP21) {
4998 /* Disable HW PHY polling */
4999 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5000 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
5001 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5003 /* Enable HW PHY polling */
5004 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5005 val |= MVPP22_SMI_POLLING_EN;
5006 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5009 /* Allocate and initialize aggregated TXQs */
5010 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
5011 sizeof(struct mvpp2_tx_queue),
5013 if (!priv->aggr_txqs)
5016 for_each_present_cpu(i) {
5017 priv->aggr_txqs[i].id = i;
5018 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
5019 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
5020 MVPP2_AGGR_TXQ_SIZE, i, priv);
5026 mvpp2_rx_fifo_init(priv);
5029 if (priv->hw_version == MVPP22)
5030 mvpp2_tx_fifo_init(priv);
5032 if (priv->hw_version == MVPP21)
5033 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5034 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5036 /* Allow cache snoop when transmiting packets */
5037 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5039 /* Buffer Manager initialization */
5040 err = mvpp2_bm_init(dev, priv);
5044 /* Parser default initialization */
5045 err = mvpp2_prs_default_init(dev, priv);
5049 /* Classifier default initialization */
5050 mvpp2_cls_init(priv);
5055 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5057 struct mvpp2_port *port = dev_get_priv(dev);
5058 struct mvpp2_rx_desc *rx_desc;
5059 struct mvpp2_bm_pool *bm_pool;
5060 dma_addr_t dma_addr;
5062 int pool, rx_bytes, err;
5064 struct mvpp2_rx_queue *rxq;
5067 if (port->phyaddr < PHY_MAX_ADDR)
5068 if (!port->phy_dev->link)
5071 /* Process RX packets */
5072 rxq = port->rxqs[0];
5074 /* Get number of received packets and clamp the to-do */
5075 rx_received = mvpp2_rxq_received(port, rxq->id);
5077 /* Return if no packets are received */
5081 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5082 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5083 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5084 rx_bytes -= MVPP2_MH_SIZE;
5085 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5087 bm = mvpp2_bm_cookie_build(port, rx_desc);
5088 pool = mvpp2_bm_cookie_pool_get(bm);
5089 bm_pool = &port->priv->bm_pools[pool];
5091 /* In case of an error, release the requested buffer pointer
5092 * to the Buffer Manager. This request process is controlled
5093 * by the hardware, and the information about the buffer is
5094 * comprised by the RX descriptor.
5096 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5097 mvpp2_rx_error(port, rx_desc);
5098 /* Return the buffer to the pool */
5099 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5103 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5105 dev_err(port->phy_dev->dev, "failed to refill BM pools\n");
5109 /* Update Rx queue management counters */
5111 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5113 /* give packet to stack - skip on first n bytes */
5114 data = (u8 *)dma_addr + 2 + 32;
5120 * No cache invalidation needed here, since the rx_buffer's are
5121 * located in a uncached memory region
5128 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5130 struct mvpp2_port *port = dev_get_priv(dev);
5131 struct mvpp2_tx_queue *txq, *aggr_txq;
5132 struct mvpp2_tx_desc *tx_desc;
5136 if (port->phyaddr < PHY_MAX_ADDR)
5137 if (!port->phy_dev->link)
5140 txq = port->txqs[0];
5141 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5143 /* Get a descriptor for the first part of the packet */
5144 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5145 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5146 mvpp2_txdesc_size_set(port, tx_desc, length);
5147 mvpp2_txdesc_offset_set(port, tx_desc,
5148 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5149 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5150 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5151 /* First and Last descriptor */
5152 mvpp2_txdesc_cmd_set(port, tx_desc,
5153 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5154 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5157 flush_dcache_range((unsigned long)packet,
5158 (unsigned long)packet + ALIGN(length, PKTALIGN));
5160 /* Enable transmit */
5162 mvpp2_aggr_txq_pend_desc_add(port, 1);
5164 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5168 if (timeout++ > 10000) {
5169 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5172 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5177 if (timeout++ > 10000) {
5178 printf("timeout: packet not sent\n");
5181 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5187 static int mvpp2_start(struct udevice *dev)
5189 struct eth_pdata *pdata = dev_get_platdata(dev);
5190 struct mvpp2_port *port = dev_get_priv(dev);
5192 /* Load current MAC address */
5193 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5195 /* Reconfigure parser accept the original MAC address */
5196 mvpp2_prs_update_mac_da(port, port->dev_addr);
5198 switch (port->phy_interface) {
5199 case PHY_INTERFACE_MODE_RGMII:
5200 case PHY_INTERFACE_MODE_RGMII_ID:
5201 case PHY_INTERFACE_MODE_SGMII:
5202 mvpp2_port_power_up(port);
5207 mvpp2_open(dev, port);
5212 static void mvpp2_stop(struct udevice *dev)
5214 struct mvpp2_port *port = dev_get_priv(dev);
5216 mvpp2_stop_dev(port);
5217 mvpp2_cleanup_rxqs(port);
5218 mvpp2_cleanup_txqs(port);
5221 static int mvpp2_write_hwaddr(struct udevice *dev)
5223 struct mvpp2_port *port = dev_get_priv(dev);
5225 return mvpp2_prs_update_mac_da(port, port->dev_addr);
5228 static int mvpp22_smi_phy_addr_cfg(struct mvpp2_port *port)
5230 writel(port->phyaddr, port->priv->iface_base +
5231 MVPP22_SMI_PHY_ADDR_REG(port->gop_id));
5236 static int mvpp2_base_probe(struct udevice *dev)
5238 struct mvpp2 *priv = dev_get_priv(dev);
5243 /* Save hw-version */
5244 priv->hw_version = dev_get_driver_data(dev);
5247 * U-Boot special buffer handling:
5249 * Allocate buffer area for descs and rx_buffers. This is only
5250 * done once for all interfaces. As only one interface can
5251 * be active. Make this area DMA-safe by disabling the D-cache
5254 if (!buffer_loc_init) {
5255 /* Align buffer area for descs and rx_buffers to 1MiB */
5256 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5257 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5258 BD_SPACE, DCACHE_OFF);
5260 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5261 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5263 buffer_loc.tx_descs =
5264 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5265 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5267 buffer_loc.rx_descs =
5268 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5269 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5271 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5272 buffer_loc.bm_pool[i] =
5273 (unsigned long *)((unsigned long)bd_space + size);
5274 if (priv->hw_version == MVPP21)
5275 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5277 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5280 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5281 buffer_loc.rx_buffer[i] =
5282 (unsigned long *)((unsigned long)bd_space + size);
5283 size += RX_BUFFER_SIZE;
5286 /* Clear the complete area so that all descriptors are cleared */
5287 memset(bd_space, 0, size);
5289 buffer_loc_init = 1;
5292 /* Save base addresses for later use */
5293 priv->base = (void *)devfdt_get_addr_index(dev, 0);
5294 if (IS_ERR(priv->base))
5295 return PTR_ERR(priv->base);
5297 if (priv->hw_version == MVPP21) {
5298 priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
5299 if (IS_ERR(priv->lms_base))
5300 return PTR_ERR(priv->lms_base);
5302 priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
5303 if (IS_ERR(priv->iface_base))
5304 return PTR_ERR(priv->iface_base);
5306 /* Store common base addresses for all ports */
5307 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5308 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5309 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5312 if (priv->hw_version == MVPP21)
5313 priv->max_port_rxqs = 8;
5315 priv->max_port_rxqs = 32;
5320 static int mvpp2_probe(struct udevice *dev)
5322 struct mvpp2_port *port = dev_get_priv(dev);
5323 struct mvpp2 *priv = dev_get_priv(dev->parent);
5326 /* Only call the probe function for the parent once */
5327 if (!priv->probe_done)
5328 err = mvpp2_base_probe(dev->parent);
5332 err = phy_info_parse(dev, port);
5337 * We need the port specific io base addresses at this stage, since
5338 * gop_port_init() accesses these registers
5340 if (priv->hw_version == MVPP21) {
5341 int priv_common_regs_num = 2;
5343 port->base = (void __iomem *)devfdt_get_addr_index(
5344 dev->parent, priv_common_regs_num + port->id);
5345 if (IS_ERR(port->base))
5346 return PTR_ERR(port->base);
5348 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5350 if (port->id == -1) {
5351 dev_err(dev, "missing gop-port-id value\n");
5355 port->base = priv->iface_base + MVPP22_PORT_BASE +
5356 port->gop_id * MVPP22_PORT_OFFSET;
5358 /* Set phy address of the port */
5359 if (port->phyaddr < PHY_MAX_ADDR)
5360 mvpp22_smi_phy_addr_cfg(port);
5363 gop_port_init(port);
5366 if (!priv->probe_done) {
5367 /* Initialize network controller */
5368 err = mvpp2_init(dev, priv);
5370 dev_err(dev, "failed to initialize controller\n");
5373 priv->num_ports = 0;
5374 priv->probe_done = 1;
5377 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5381 if (priv->hw_version == MVPP22) {
5382 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5383 port->phy_interface);
5385 /* Netcomplex configurations for all ports */
5386 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5387 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5394 * Empty BM pool and stop its activity before the OS is started
5396 static int mvpp2_remove(struct udevice *dev)
5398 struct mvpp2_port *port = dev_get_priv(dev);
5399 struct mvpp2 *priv = port->priv;
5404 if (priv->num_ports)
5407 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
5408 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
5413 static const struct eth_ops mvpp2_ops = {
5414 .start = mvpp2_start,
5418 .write_hwaddr = mvpp2_write_hwaddr
5421 static struct driver mvpp2_driver = {
5424 .probe = mvpp2_probe,
5425 .remove = mvpp2_remove,
5427 .priv_auto_alloc_size = sizeof(struct mvpp2_port),
5428 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
5429 .flags = DM_FLAG_ACTIVE_DMA,
5433 * Use a MISC device to bind the n instances (child nodes) of the
5434 * network base controller in UCLASS_ETH.
5436 static int mvpp2_base_bind(struct udevice *parent)
5438 const void *blob = gd->fdt_blob;
5439 int node = dev_of_offset(parent);
5440 struct uclass_driver *drv;
5441 struct udevice *dev;
5442 struct eth_pdata *plat;
5448 /* Lookup eth driver */
5449 drv = lists_uclass_lookup(UCLASS_ETH);
5451 puts("Cannot find eth driver\n");
5455 base_id_add = base_id;
5457 fdt_for_each_subnode(subnode, blob, node) {
5458 /* Increment base_id for all subnodes, also the disabled ones */
5461 /* Skip disabled ports */
5462 if (!fdtdec_get_is_enabled(blob, subnode))
5465 plat = calloc(1, sizeof(*plat));
5469 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5472 name = calloc(1, 16);
5477 sprintf(name, "mvpp2-%d", id);
5479 /* Create child device UCLASS_ETH and bind it */
5480 device_bind(parent, &mvpp2_driver, name, plat,
5481 offset_to_ofnode(subnode), &dev);
5487 static const struct udevice_id mvpp2_ids[] = {
5489 .compatible = "marvell,armada-375-pp2",
5493 .compatible = "marvell,armada-7k-pp22",
5499 U_BOOT_DRIVER(mvpp2_base) = {
5500 .name = "mvpp2_base",
5502 .of_match = mvpp2_ids,
5503 .bind = mvpp2_base_bind,
5504 .priv_auto_alloc_size = sizeof(struct mvpp2),