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/err.h>
30 #include <linux/errno.h>
34 #include <asm/arch/cpu.h>
35 #include <asm/arch/soc.h>
36 #include <linux/compat.h>
37 #include <linux/libfdt.h>
38 #include <linux/mbus.h>
39 #include <asm-generic/gpio.h>
40 #include <fdt_support.h>
41 #include <linux/mdio.h>
43 DECLARE_GLOBAL_DATA_PTR;
45 #define __verify_pcpu_ptr(ptr) \
47 const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
51 #define VERIFY_PERCPU_PTR(__p) \
53 __verify_pcpu_ptr(__p); \
54 (typeof(*(__p)) __kernel __force *)(__p); \
57 #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
58 #define smp_processor_id() 0
59 #define num_present_cpus() 1
60 #define for_each_present_cpu(cpu) \
61 for ((cpu) = 0; (cpu) < 1; (cpu)++)
63 #define NET_SKB_PAD max(32, MVPP2_CPU_D_CACHE_LINE_SIZE)
65 #define CONFIG_NR_CPUS 1
67 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
68 #define WRAP (2 + ETH_HLEN + 4 + 32)
70 #define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
72 /* RX Fifo Registers */
73 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
74 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
75 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
76 #define MVPP2_RX_FIFO_INIT_REG 0x64
78 /* RX DMA Top Registers */
79 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
80 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
81 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
82 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
83 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
84 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
85 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
86 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
87 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
88 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
89 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
90 #define MVPP2_RXQ_POOL_LONG_OFFS 24
91 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
92 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
93 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
94 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
95 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
97 /* Parser Registers */
98 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
99 #define MVPP2_PRS_PORT_LU_MAX 0xf
100 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
101 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
102 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
103 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
104 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
105 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
106 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
107 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
108 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
109 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
110 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
111 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
112 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
113 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
114 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
116 /* Classifier Registers */
117 #define MVPP2_CLS_MODE_REG 0x1800
118 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
119 #define MVPP2_CLS_PORT_WAY_REG 0x1810
120 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
121 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
122 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
123 #define MVPP2_CLS_LKP_TBL_REG 0x1818
124 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
125 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
126 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
127 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
128 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
129 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
130 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
131 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
132 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
133 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
134 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
135 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
137 /* Descriptor Manager Top Registers */
138 #define MVPP2_RXQ_NUM_REG 0x2040
139 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
140 #define MVPP22_DESC_ADDR_OFFS 8
141 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
142 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
143 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
144 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
145 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
146 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
147 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
148 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
149 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
150 #define MVPP2_RXQ_THRESH_REG 0x204c
151 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
152 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
153 #define MVPP2_RXQ_INDEX_REG 0x2050
154 #define MVPP2_TXQ_NUM_REG 0x2080
155 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
156 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
157 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
158 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
159 #define MVPP2_TXQ_THRESH_REG 0x2094
160 #define MVPP2_TRANSMITTED_THRESH_OFFSET 16
161 #define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
162 #define MVPP2_TXQ_INDEX_REG 0x2098
163 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
164 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
165 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
166 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
167 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
168 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
169 #define MVPP2_TXQ_PENDING_REG 0x20a0
170 #define MVPP2_TXQ_PENDING_MASK 0x3fff
171 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
172 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
173 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
174 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
175 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
176 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
177 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
178 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
179 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
180 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
181 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
182 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
183 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
184 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
185 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
186 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
187 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
189 /* MBUS bridge registers */
190 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
191 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
192 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
193 #define MVPP2_BASE_ADDR_ENABLE 0x4060
195 /* AXI Bridge Registers */
196 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
197 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
198 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
199 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
200 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
201 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
202 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
203 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
204 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
205 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
206 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
207 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
209 /* Values for AXI Bridge registers */
210 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
211 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
213 #define MVPP22_AXI_CODE_CACHE_OFFS 0
214 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
216 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
217 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
218 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
220 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
221 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
223 /* Interrupt Cause and Mask registers */
224 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
225 #define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
227 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
228 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
229 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
230 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
232 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
233 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
235 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
236 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
237 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
238 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
240 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
241 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
242 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
243 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
244 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
245 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
246 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
247 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
248 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
249 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
250 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
251 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
252 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
253 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
254 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
255 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
256 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
257 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
259 /* Buffer Manager registers */
260 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
261 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
262 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
263 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
264 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
265 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
266 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
267 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
268 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
269 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
270 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
271 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
272 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
273 #define MVPP2_BM_START_MASK BIT(0)
274 #define MVPP2_BM_STOP_MASK BIT(1)
275 #define MVPP2_BM_STATE_MASK BIT(4)
276 #define MVPP2_BM_LOW_THRESH_OFFS 8
277 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
278 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
279 MVPP2_BM_LOW_THRESH_OFFS)
280 #define MVPP2_BM_HIGH_THRESH_OFFS 16
281 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
282 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
283 MVPP2_BM_HIGH_THRESH_OFFS)
284 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
285 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
286 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
287 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
288 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
289 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
290 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
291 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
292 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
293 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
294 #define MVPP2_BM_ADDR_HIGH_ALLOC 0x6444
295 #define MVPP2_BM_ADDR_HIGH_PHYS_MASK 0xff
296 #define MVPP2_BM_ADDR_HIGH_VIRT_MASK 0xff00
297 #define MVPP2_BM_ADDR_HIGH_VIRT_SHIFT 8
298 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
299 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
300 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
301 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
302 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
303 #define MVPP21_BM_MC_RLS_REG 0x64c4
304 #define MVPP2_BM_MC_ID_MASK 0xfff
305 #define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
306 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
307 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
308 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
309 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
310 #define MVPP22_BM_MC_RLS_REG 0x64d4
311 #define MVPP22_BM_POOL_BASE_HIGH_REG 0x6310
312 #define MVPP22_BM_POOL_BASE_HIGH_MASK 0xff
314 /* TX Scheduler registers */
315 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
316 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
317 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
318 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
319 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
320 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
321 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
322 #define MVPP2_TXP_MTU_MAX 0x7FFFF
323 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
324 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
325 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
326 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
327 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
328 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
329 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
330 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
331 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
332 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
333 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
334 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
335 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
336 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
338 /* TX general registers */
339 #define MVPP2_TX_SNOOP_REG 0x8800
340 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
341 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
344 #define MVPP2_SRC_ADDR_MIDDLE 0x24
345 #define MVPP2_SRC_ADDR_HIGH 0x28
346 #define MVPP2_PHY_AN_CFG0_REG 0x34
347 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
348 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
349 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
351 /* Per-port registers */
352 #define MVPP2_GMAC_CTRL_0_REG 0x0
353 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
354 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
355 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
356 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
357 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
358 #define MVPP2_GMAC_CTRL_1_REG 0x4
359 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
360 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
361 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
362 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
363 #define MVPP2_GMAC_SA_LOW_OFFS 7
364 #define MVPP2_GMAC_CTRL_2_REG 0x8
365 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
366 #define MVPP2_GMAC_SGMII_MODE_MASK BIT(0)
367 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
368 #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4)
369 #define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5)
370 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
371 #define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9)
372 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
373 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
374 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
375 #define MVPP2_GMAC_EN_PCS_AN BIT(2)
376 #define MVPP2_GMAC_AN_BYPASS_EN BIT(3)
377 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
378 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
379 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
380 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
381 #define MVPP2_GMAC_EN_FC_AN BIT(11)
382 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
383 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
384 #define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15)
385 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
386 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
387 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
388 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
389 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
390 #define MVPP2_GMAC_CTRL_4_REG 0x90
391 #define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0)
392 #define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5)
393 #define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6)
394 #define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7)
397 * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
398 * relative to port->base.
401 /* Port Mac Control0 */
402 #define MVPP22_XLG_CTRL0_REG 0x100
403 #define MVPP22_XLG_PORT_EN BIT(0)
404 #define MVPP22_XLG_MAC_RESETN BIT(1)
405 #define MVPP22_XLG_RX_FC_EN BIT(7)
406 #define MVPP22_XLG_MIBCNT_DIS BIT(13)
407 /* Port Mac Control1 */
408 #define MVPP22_XLG_CTRL1_REG 0x104
409 #define MVPP22_XLG_MAX_RX_SIZE_OFFS 0
410 #define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff
411 /* Port Interrupt Mask */
412 #define MVPP22_XLG_INTERRUPT_MASK_REG 0x118
413 #define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1)
414 /* Port Mac Control3 */
415 #define MVPP22_XLG_CTRL3_REG 0x11c
416 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
417 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
418 #define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13)
419 /* Port Mac Control4 */
420 #define MVPP22_XLG_CTRL4_REG 0x184
421 #define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5)
422 #define MVPP22_XLG_FORWARD_PFC_EN BIT(6)
423 #define MVPP22_XLG_MODE_DMA_1G BIT(12)
424 #define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14)
428 /* Global Configuration 0 */
429 #define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0
430 #define MVPP22_XPCS_PCSRESET BIT(0)
431 #define MVPP22_XPCS_PCSMODE_OFFS 3
432 #define MVPP22_XPCS_PCSMODE_MASK (0x3 << \
433 MVPP22_XPCS_PCSMODE_OFFS)
434 #define MVPP22_XPCS_LANEACTIVE_OFFS 5
435 #define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \
436 MVPP22_XPCS_LANEACTIVE_OFFS)
440 #define PCS40G_COMMON_CONTROL 0x14
441 #define FORWARD_ERROR_CORRECTION_MASK BIT(10)
443 #define PCS_CLOCK_RESET 0x14c
444 #define TX_SD_CLK_RESET_MASK BIT(0)
445 #define RX_SD_CLK_RESET_MASK BIT(1)
446 #define MAC_CLK_RESET_MASK BIT(2)
447 #define CLK_DIVISION_RATIO_OFFS 4
448 #define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS)
449 #define CLK_DIV_PHASE_SET_MASK BIT(11)
451 /* System Soft Reset 1 */
452 #define GOP_SOFT_RESET_1_REG 0x108
453 #define NETC_GOP_SOFT_RESET_OFFS 6
454 #define NETC_GOP_SOFT_RESET_MASK (0x1 << \
455 NETC_GOP_SOFT_RESET_OFFS)
457 /* Ports Control 0 */
458 #define NETCOMP_PORTS_CONTROL_0_REG 0x110
459 #define NETC_BUS_WIDTH_SELECT_OFFS 1
460 #define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \
461 NETC_BUS_WIDTH_SELECT_OFFS)
462 #define NETC_GIG_RX_DATA_SAMPLE_OFFS 29
463 #define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \
464 NETC_GIG_RX_DATA_SAMPLE_OFFS)
465 #define NETC_CLK_DIV_PHASE_OFFS 31
466 #define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS)
467 /* Ports Control 1 */
468 #define NETCOMP_PORTS_CONTROL_1_REG 0x114
469 #define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p)
470 #define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \
471 NETC_PORTS_ACTIVE_OFFSET(p))
472 #define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p)
473 #define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \
474 NETC_PORT_GIG_RF_RESET_OFFS(p))
475 #define NETCOMP_CONTROL_0_REG 0x120
476 #define NETC_GBE_PORT0_SGMII_MODE_OFFS 0
477 #define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \
478 NETC_GBE_PORT0_SGMII_MODE_OFFS)
479 #define NETC_GBE_PORT1_SGMII_MODE_OFFS 1
480 #define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \
481 NETC_GBE_PORT1_SGMII_MODE_OFFS)
482 #define NETC_GBE_PORT1_MII_MODE_OFFS 2
483 #define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \
484 NETC_GBE_PORT1_MII_MODE_OFFS)
486 #define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04)
487 #define MVPP22_SMI_POLLING_EN BIT(10)
489 #define MVPP22_SMI_PHY_ADDR_REG(port) (MVPP22_SMI + 0x04 + \
492 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
494 /* Descriptor ring Macros */
495 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
496 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
498 /* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
499 #define MVPP22_SMI 0x1200
501 /* Additional PPv2.2 offsets */
502 #define MVPP22_MPCS 0x007000
503 #define MVPP22_XPCS 0x007400
504 #define MVPP22_PORT_BASE 0x007e00
505 #define MVPP22_PORT_OFFSET 0x001000
506 #define MVPP22_RFU1 0x318000
508 /* Maximum number of ports */
509 #define MVPP22_GOP_MAC_NUM 4
511 /* Sets the field located at the specified in data */
512 #define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41
513 #define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5
514 #define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb
517 enum mv_netc_topology {
518 MV_NETC_GE_MAC2_SGMII = BIT(0),
519 MV_NETC_GE_MAC3_SGMII = BIT(1),
520 MV_NETC_GE_MAC3_RGMII = BIT(2),
525 MV_NETC_SECOND_PHASE,
528 enum mv_netc_sgmii_xmi_mode {
533 enum mv_netc_mii_mode {
543 /* Various constants */
546 #define MVPP2_TXDONE_COAL_PKTS_THRESH 15
547 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
548 #define MVPP2_RX_COAL_PKTS 32
549 #define MVPP2_RX_COAL_USEC 100
551 /* The two bytes Marvell header. Either contains a special value used
552 * by Marvell switches when a specific hardware mode is enabled (not
553 * supported by this driver) or is filled automatically by zeroes on
554 * the RX side. Those two bytes being at the front of the Ethernet
555 * header, they allow to have the IP header aligned on a 4 bytes
556 * boundary automatically: the hardware skips those two bytes on its
559 #define MVPP2_MH_SIZE 2
560 #define MVPP2_ETH_TYPE_LEN 2
561 #define MVPP2_PPPOE_HDR_SIZE 8
562 #define MVPP2_VLAN_TAG_LEN 4
564 /* Lbtd 802.3 type */
565 #define MVPP2_IP_LBDT_TYPE 0xfffa
567 #define MVPP2_CPU_D_CACHE_LINE_SIZE 32
568 #define MVPP2_TX_CSUM_MAX_SIZE 9800
570 /* Timeout constants */
571 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
572 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
574 #define MVPP2_TX_MTU_MAX 0x7ffff
576 /* Maximum number of T-CONTs of PON port */
577 #define MVPP2_MAX_TCONT 16
579 /* Maximum number of supported ports */
580 #define MVPP2_MAX_PORTS 4
582 /* Maximum number of TXQs used by single port */
583 #define MVPP2_MAX_TXQ 8
585 /* Default number of TXQs in use */
586 #define MVPP2_DEFAULT_TXQ 1
588 /* Default number of RXQs in use */
589 #define MVPP2_DEFAULT_RXQ 1
590 #define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
592 /* Max number of Rx descriptors */
593 #define MVPP2_MAX_RXD 16
595 /* Max number of Tx descriptors */
596 #define MVPP2_MAX_TXD 16
598 /* Amount of Tx descriptors that can be reserved at once by CPU */
599 #define MVPP2_CPU_DESC_CHUNK 16
601 /* Max number of Tx descriptors in each aggregated queue */
602 #define MVPP2_AGGR_TXQ_SIZE 16
604 /* Descriptor aligned size */
605 #define MVPP2_DESC_ALIGNED_SIZE 32
607 /* Descriptor alignment mask */
608 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
610 /* RX FIFO constants */
611 #define MVPP21_RX_FIFO_PORT_DATA_SIZE 0x2000
612 #define MVPP21_RX_FIFO_PORT_ATTR_SIZE 0x80
613 #define MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE 0x8000
614 #define MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE 0x2000
615 #define MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE 0x1000
616 #define MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE 0x200
617 #define MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE 0x80
618 #define MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE 0x40
619 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
621 /* TX general registers */
622 #define MVPP22_TX_FIFO_SIZE_REG(eth_tx_port) (0x8860 + ((eth_tx_port) << 2))
623 #define MVPP22_TX_FIFO_SIZE_MASK 0xf
625 /* TX FIFO constants */
626 #define MVPP2_TX_FIFO_DATA_SIZE_10KB 0xa
627 #define MVPP2_TX_FIFO_DATA_SIZE_3KB 0x3
629 /* RX buffer constants */
630 #define MVPP2_SKB_SHINFO_SIZE \
633 #define MVPP2_RX_PKT_SIZE(mtu) \
634 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
635 ETH_HLEN + ETH_FCS_LEN, MVPP2_CPU_D_CACHE_LINE_SIZE)
637 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
638 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
639 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
640 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
642 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
644 /* IPv6 max L3 address size */
645 #define MVPP2_MAX_L3_ADDR_SIZE 16
648 #define MVPP2_F_LOOPBACK BIT(0)
650 /* Marvell tag types */
651 enum mvpp2_tag_type {
652 MVPP2_TAG_TYPE_NONE = 0,
653 MVPP2_TAG_TYPE_MH = 1,
654 MVPP2_TAG_TYPE_DSA = 2,
655 MVPP2_TAG_TYPE_EDSA = 3,
656 MVPP2_TAG_TYPE_VLAN = 4,
657 MVPP2_TAG_TYPE_LAST = 5
660 /* Parser constants */
661 #define MVPP2_PRS_TCAM_SRAM_SIZE 256
662 #define MVPP2_PRS_TCAM_WORDS 6
663 #define MVPP2_PRS_SRAM_WORDS 4
664 #define MVPP2_PRS_FLOW_ID_SIZE 64
665 #define MVPP2_PRS_FLOW_ID_MASK 0x3f
666 #define MVPP2_PRS_TCAM_ENTRY_INVALID 1
667 #define MVPP2_PRS_TCAM_DSA_TAGGED_BIT BIT(5)
668 #define MVPP2_PRS_IPV4_HEAD 0x40
669 #define MVPP2_PRS_IPV4_HEAD_MASK 0xf0
670 #define MVPP2_PRS_IPV4_MC 0xe0
671 #define MVPP2_PRS_IPV4_MC_MASK 0xf0
672 #define MVPP2_PRS_IPV4_BC_MASK 0xff
673 #define MVPP2_PRS_IPV4_IHL 0x5
674 #define MVPP2_PRS_IPV4_IHL_MASK 0xf
675 #define MVPP2_PRS_IPV6_MC 0xff
676 #define MVPP2_PRS_IPV6_MC_MASK 0xff
677 #define MVPP2_PRS_IPV6_HOP_MASK 0xff
678 #define MVPP2_PRS_TCAM_PROTO_MASK 0xff
679 #define MVPP2_PRS_TCAM_PROTO_MASK_L 0x3f
680 #define MVPP2_PRS_DBL_VLANS_MAX 100
683 * - lookup ID - 4 bits
685 * - additional information - 1 byte
686 * - header data - 8 bytes
687 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
689 #define MVPP2_PRS_AI_BITS 8
690 #define MVPP2_PRS_PORT_MASK 0xff
691 #define MVPP2_PRS_LU_MASK 0xf
692 #define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
693 (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
694 #define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
695 (((offs) * 2) - ((offs) % 2) + 2)
696 #define MVPP2_PRS_TCAM_AI_BYTE 16
697 #define MVPP2_PRS_TCAM_PORT_BYTE 17
698 #define MVPP2_PRS_TCAM_LU_BYTE 20
699 #define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
700 #define MVPP2_PRS_TCAM_INV_WORD 5
701 /* Tcam entries ID */
702 #define MVPP2_PE_DROP_ALL 0
703 #define MVPP2_PE_FIRST_FREE_TID 1
704 #define MVPP2_PE_LAST_FREE_TID (MVPP2_PRS_TCAM_SRAM_SIZE - 31)
705 #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30)
706 #define MVPP2_PE_MAC_MC_IP6 (MVPP2_PRS_TCAM_SRAM_SIZE - 29)
707 #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
708 #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 27)
709 #define MVPP2_PE_LAST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 26)
710 #define MVPP2_PE_FIRST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 19)
711 #define MVPP2_PE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 18)
712 #define MVPP2_PE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 17)
713 #define MVPP2_PE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 16)
714 #define MVPP2_PE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 15)
715 #define MVPP2_PE_ETYPE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 14)
716 #define MVPP2_PE_ETYPE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 13)
717 #define MVPP2_PE_ETYPE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 12)
718 #define MVPP2_PE_ETYPE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 11)
719 #define MVPP2_PE_MH_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 10)
720 #define MVPP2_PE_DSA_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 9)
721 #define MVPP2_PE_IP6_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 8)
722 #define MVPP2_PE_IP4_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 7)
723 #define MVPP2_PE_ETH_TYPE_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 6)
724 #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 5)
725 #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 4)
726 #define MVPP2_PE_MAC_MC_ALL (MVPP2_PRS_TCAM_SRAM_SIZE - 3)
727 #define MVPP2_PE_MAC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2)
728 #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1)
731 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(3)->(0).
733 #define MVPP2_PRS_SRAM_RI_OFFS 0
734 #define MVPP2_PRS_SRAM_RI_WORD 0
735 #define MVPP2_PRS_SRAM_RI_CTRL_OFFS 32
736 #define MVPP2_PRS_SRAM_RI_CTRL_WORD 1
737 #define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
738 #define MVPP2_PRS_SRAM_SHIFT_OFFS 64
739 #define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
740 #define MVPP2_PRS_SRAM_UDF_OFFS 73
741 #define MVPP2_PRS_SRAM_UDF_BITS 8
742 #define MVPP2_PRS_SRAM_UDF_MASK 0xff
743 #define MVPP2_PRS_SRAM_UDF_SIGN_BIT 81
744 #define MVPP2_PRS_SRAM_UDF_TYPE_OFFS 82
745 #define MVPP2_PRS_SRAM_UDF_TYPE_MASK 0x7
746 #define MVPP2_PRS_SRAM_UDF_TYPE_L3 1
747 #define MVPP2_PRS_SRAM_UDF_TYPE_L4 4
748 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS 85
749 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK 0x3
750 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD 1
751 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP4_ADD 2
752 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP6_ADD 3
753 #define MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS 87
754 #define MVPP2_PRS_SRAM_OP_SEL_UDF_BITS 2
755 #define MVPP2_PRS_SRAM_OP_SEL_UDF_MASK 0x3
756 #define MVPP2_PRS_SRAM_OP_SEL_UDF_ADD 0
757 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP4_ADD 2
758 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP6_ADD 3
759 #define MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS 89
760 #define MVPP2_PRS_SRAM_AI_OFFS 90
761 #define MVPP2_PRS_SRAM_AI_CTRL_OFFS 98
762 #define MVPP2_PRS_SRAM_AI_CTRL_BITS 8
763 #define MVPP2_PRS_SRAM_AI_MASK 0xff
764 #define MVPP2_PRS_SRAM_NEXT_LU_OFFS 106
765 #define MVPP2_PRS_SRAM_NEXT_LU_MASK 0xf
766 #define MVPP2_PRS_SRAM_LU_DONE_BIT 110
767 #define MVPP2_PRS_SRAM_LU_GEN_BIT 111
769 /* Sram result info bits assignment */
770 #define MVPP2_PRS_RI_MAC_ME_MASK 0x1
771 #define MVPP2_PRS_RI_DSA_MASK 0x2
772 #define MVPP2_PRS_RI_VLAN_MASK (BIT(2) | BIT(3))
773 #define MVPP2_PRS_RI_VLAN_NONE 0x0
774 #define MVPP2_PRS_RI_VLAN_SINGLE BIT(2)
775 #define MVPP2_PRS_RI_VLAN_DOUBLE BIT(3)
776 #define MVPP2_PRS_RI_VLAN_TRIPLE (BIT(2) | BIT(3))
777 #define MVPP2_PRS_RI_CPU_CODE_MASK 0x70
778 #define MVPP2_PRS_RI_CPU_CODE_RX_SPEC BIT(4)
779 #define MVPP2_PRS_RI_L2_CAST_MASK (BIT(9) | BIT(10))
780 #define MVPP2_PRS_RI_L2_UCAST 0x0
781 #define MVPP2_PRS_RI_L2_MCAST BIT(9)
782 #define MVPP2_PRS_RI_L2_BCAST BIT(10)
783 #define MVPP2_PRS_RI_PPPOE_MASK 0x800
784 #define MVPP2_PRS_RI_L3_PROTO_MASK (BIT(12) | BIT(13) | BIT(14))
785 #define MVPP2_PRS_RI_L3_UN 0x0
786 #define MVPP2_PRS_RI_L3_IP4 BIT(12)
787 #define MVPP2_PRS_RI_L3_IP4_OPT BIT(13)
788 #define MVPP2_PRS_RI_L3_IP4_OTHER (BIT(12) | BIT(13))
789 #define MVPP2_PRS_RI_L3_IP6 BIT(14)
790 #define MVPP2_PRS_RI_L3_IP6_EXT (BIT(12) | BIT(14))
791 #define MVPP2_PRS_RI_L3_ARP (BIT(13) | BIT(14))
792 #define MVPP2_PRS_RI_L3_ADDR_MASK (BIT(15) | BIT(16))
793 #define MVPP2_PRS_RI_L3_UCAST 0x0
794 #define MVPP2_PRS_RI_L3_MCAST BIT(15)
795 #define MVPP2_PRS_RI_L3_BCAST (BIT(15) | BIT(16))
796 #define MVPP2_PRS_RI_IP_FRAG_MASK 0x20000
797 #define MVPP2_PRS_RI_UDF3_MASK 0x300000
798 #define MVPP2_PRS_RI_UDF3_RX_SPECIAL BIT(21)
799 #define MVPP2_PRS_RI_L4_PROTO_MASK 0x1c00000
800 #define MVPP2_PRS_RI_L4_TCP BIT(22)
801 #define MVPP2_PRS_RI_L4_UDP BIT(23)
802 #define MVPP2_PRS_RI_L4_OTHER (BIT(22) | BIT(23))
803 #define MVPP2_PRS_RI_UDF7_MASK 0x60000000
804 #define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
805 #define MVPP2_PRS_RI_DROP_MASK 0x80000000
807 /* Sram additional info bits assignment */
808 #define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
809 #define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
810 #define MVPP2_PRS_IPV6_EXT_AI_BIT BIT(1)
811 #define MVPP2_PRS_IPV6_EXT_AH_AI_BIT BIT(2)
812 #define MVPP2_PRS_IPV6_EXT_AH_LEN_AI_BIT BIT(3)
813 #define MVPP2_PRS_IPV6_EXT_AH_L4_AI_BIT BIT(4)
814 #define MVPP2_PRS_SINGLE_VLAN_AI 0
815 #define MVPP2_PRS_DBL_VLAN_AI_BIT BIT(7)
818 #define MVPP2_PRS_TAGGED true
819 #define MVPP2_PRS_UNTAGGED false
820 #define MVPP2_PRS_EDSA true
821 #define MVPP2_PRS_DSA false
823 /* MAC entries, shadow udf */
825 MVPP2_PRS_UDF_MAC_DEF,
826 MVPP2_PRS_UDF_MAC_RANGE,
827 MVPP2_PRS_UDF_L2_DEF,
828 MVPP2_PRS_UDF_L2_DEF_COPY,
829 MVPP2_PRS_UDF_L2_USER,
833 enum mvpp2_prs_lookup {
847 enum mvpp2_prs_l3_cast {
848 MVPP2_PRS_L3_UNI_CAST,
849 MVPP2_PRS_L3_MULTI_CAST,
850 MVPP2_PRS_L3_BROAD_CAST
853 /* Classifier constants */
854 #define MVPP2_CLS_FLOWS_TBL_SIZE 512
855 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3
856 #define MVPP2_CLS_LKP_TBL_SIZE 64
859 #define MVPP2_BM_POOLS_NUM 1
860 #define MVPP2_BM_LONG_BUF_NUM 16
861 #define MVPP2_BM_SHORT_BUF_NUM 16
862 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
863 #define MVPP2_BM_POOL_PTR_ALIGN 128
864 #define MVPP2_BM_SWF_LONG_POOL(port) 0
866 /* BM cookie (32 bits) definition */
867 #define MVPP2_BM_COOKIE_POOL_OFFS 8
868 #define MVPP2_BM_COOKIE_CPU_OFFS 24
870 /* BM short pool packet size
871 * These value assure that for SWF the total number
872 * of bytes allocated for each buffer will be 512
874 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
884 /* Shared Packet Processor resources */
886 /* Shared registers' base addresses */
888 void __iomem *lms_base;
889 void __iomem *iface_base;
891 void __iomem *mpcs_base;
892 void __iomem *xpcs_base;
893 void __iomem *rfu1_base;
897 /* List of pointers to port structures */
898 struct mvpp2_port **port_list;
900 /* Aggregated TXQs */
901 struct mvpp2_tx_queue *aggr_txqs;
904 struct mvpp2_bm_pool *bm_pools;
906 /* PRS shadow table */
907 struct mvpp2_prs_shadow *prs_shadow;
908 /* PRS auxiliary table for double vlan entries control */
909 bool *prs_double_vlans;
915 enum { MVPP21, MVPP22 } hw_version;
917 /* Maximum number of RXQs per port */
918 unsigned int max_port_rxqs;
924 struct mvpp2_pcpu_stats {
934 /* Index of the port from the "group of ports" complex point
943 /* Per-port registers' base address */
946 struct mvpp2_rx_queue **rxqs;
947 struct mvpp2_tx_queue **txqs;
951 u32 pending_cause_rx;
953 /* Per-CPU port control */
954 struct mvpp2_port_pcpu __percpu *pcpu;
961 struct mvpp2_pcpu_stats __percpu *stats;
963 struct phy_device *phy_dev;
964 phy_interface_t phy_interface;
966 struct udevice *mdio_dev;
968 #if CONFIG_IS_ENABLED(DM_GPIO)
969 struct gpio_desc phy_reset_gpio;
970 struct gpio_desc phy_tx_disable_gpio;
977 unsigned int phy_speed; /* SGMII 1Gbps vs 2.5Gbps */
979 struct mvpp2_bm_pool *pool_long;
980 struct mvpp2_bm_pool *pool_short;
982 /* Index of first port's physical RXQ */
985 u8 dev_addr[ETH_ALEN];
988 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
989 * layout of the transmit and reception DMA descriptors, and their
990 * layout is therefore defined by the hardware design
993 #define MVPP2_TXD_L3_OFF_SHIFT 0
994 #define MVPP2_TXD_IP_HLEN_SHIFT 8
995 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
996 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
997 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
998 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
999 #define MVPP2_TXD_L4_UDP BIT(24)
1000 #define MVPP2_TXD_L3_IP6 BIT(26)
1001 #define MVPP2_TXD_L_DESC BIT(28)
1002 #define MVPP2_TXD_F_DESC BIT(29)
1004 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
1005 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
1006 #define MVPP2_RXD_ERR_CRC 0x0
1007 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
1008 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
1009 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
1010 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
1011 #define MVPP2_RXD_HWF_SYNC BIT(21)
1012 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
1013 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
1014 #define MVPP2_RXD_L4_TCP BIT(25)
1015 #define MVPP2_RXD_L4_UDP BIT(26)
1016 #define MVPP2_RXD_L3_IP4 BIT(28)
1017 #define MVPP2_RXD_L3_IP6 BIT(30)
1018 #define MVPP2_RXD_BUF_HDR BIT(31)
1020 /* HW TX descriptor for PPv2.1 */
1021 struct mvpp21_tx_desc {
1022 u32 command; /* Options used by HW for packet transmitting.*/
1023 u8 packet_offset; /* the offset from the buffer beginning */
1024 u8 phys_txq; /* destination queue ID */
1025 u16 data_size; /* data size of transmitted packet in bytes */
1026 u32 buf_dma_addr; /* physical addr of transmitted buffer */
1027 u32 buf_cookie; /* cookie for access to TX buffer in tx path */
1028 u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
1029 u32 reserved2; /* reserved (for future use) */
1032 /* HW RX descriptor for PPv2.1 */
1033 struct mvpp21_rx_desc {
1034 u32 status; /* info about received packet */
1035 u16 reserved1; /* parser_info (for future use, PnC) */
1036 u16 data_size; /* size of received packet in bytes */
1037 u32 buf_dma_addr; /* physical address of the buffer */
1038 u32 buf_cookie; /* cookie for access to RX buffer in rx path */
1039 u16 reserved2; /* gem_port_id (for future use, PON) */
1040 u16 reserved3; /* csum_l4 (for future use, PnC) */
1041 u8 reserved4; /* bm_qset (for future use, BM) */
1043 u16 reserved6; /* classify_info (for future use, PnC) */
1044 u32 reserved7; /* flow_id (for future use, PnC) */
1048 /* HW TX descriptor for PPv2.2 */
1049 struct mvpp22_tx_desc {
1055 u64 buf_dma_addr_ptp;
1056 u64 buf_cookie_misc;
1059 /* HW RX descriptor for PPv2.2 */
1060 struct mvpp22_rx_desc {
1066 u64 buf_dma_addr_key_hash;
1067 u64 buf_cookie_misc;
1070 /* Opaque type used by the driver to manipulate the HW TX and RX
1073 struct mvpp2_tx_desc {
1075 struct mvpp21_tx_desc pp21;
1076 struct mvpp22_tx_desc pp22;
1080 struct mvpp2_rx_desc {
1082 struct mvpp21_rx_desc pp21;
1083 struct mvpp22_rx_desc pp22;
1087 /* Per-CPU Tx queue control */
1088 struct mvpp2_txq_pcpu {
1091 /* Number of Tx DMA descriptors in the descriptor ring */
1094 /* Number of currently used Tx DMA descriptor in the
1099 /* Number of Tx DMA descriptors reserved for each CPU */
1102 /* Index of last TX DMA descriptor that was inserted */
1105 /* Index of the TX DMA descriptor to be cleaned up */
1109 struct mvpp2_tx_queue {
1110 /* Physical number of this Tx queue */
1113 /* Logical number of this Tx queue */
1116 /* Number of Tx DMA descriptors in the descriptor ring */
1119 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1122 /* Per-CPU control of physical Tx queues */
1123 struct mvpp2_txq_pcpu __percpu *pcpu;
1127 /* Virtual address of thex Tx DMA descriptors array */
1128 struct mvpp2_tx_desc *descs;
1130 /* DMA address of the Tx DMA descriptors array */
1131 dma_addr_t descs_dma;
1133 /* Index of the last Tx DMA descriptor */
1136 /* Index of the next Tx DMA descriptor to process */
1137 int next_desc_to_proc;
1140 struct mvpp2_rx_queue {
1141 /* RX queue number, in the range 0-31 for physical RXQs */
1144 /* Num of rx descriptors in the rx descriptor ring */
1150 /* Virtual address of the RX DMA descriptors array */
1151 struct mvpp2_rx_desc *descs;
1153 /* DMA address of the RX DMA descriptors array */
1154 dma_addr_t descs_dma;
1156 /* Index of the last RX DMA descriptor */
1159 /* Index of the next RX DMA descriptor to process */
1160 int next_desc_to_proc;
1162 /* ID of port to which physical RXQ is mapped */
1165 /* Port's logic RXQ number to which physical RXQ is mapped */
1169 union mvpp2_prs_tcam_entry {
1170 u32 word[MVPP2_PRS_TCAM_WORDS];
1171 u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
1174 union mvpp2_prs_sram_entry {
1175 u32 word[MVPP2_PRS_SRAM_WORDS];
1176 u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
1179 struct mvpp2_prs_entry {
1181 union mvpp2_prs_tcam_entry tcam;
1182 union mvpp2_prs_sram_entry sram;
1185 struct mvpp2_prs_shadow {
1192 /* User defined offset */
1200 struct mvpp2_cls_flow_entry {
1202 u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS];
1205 struct mvpp2_cls_lookup_entry {
1211 struct mvpp2_bm_pool {
1212 /* Pool number in the range 0-7 */
1214 enum mvpp2_bm_type type;
1216 /* Buffer Pointers Pool External (BPPE) size */
1218 /* Number of buffers for this pool */
1220 /* Pool buffer size */
1225 /* BPPE virtual base address */
1226 unsigned long *virt_addr;
1227 /* BPPE DMA base address */
1228 dma_addr_t dma_addr;
1230 /* Ports using BM pool */
1234 /* Static declaractions */
1236 /* Number of RXQs used by single port */
1237 static int rxq_number = MVPP2_DEFAULT_RXQ;
1238 /* Number of TXQs used by single port */
1239 static int txq_number = MVPP2_DEFAULT_TXQ;
1243 #define MVPP2_DRIVER_NAME "mvpp2"
1244 #define MVPP2_DRIVER_VERSION "1.0"
1247 * U-Boot internal data, mostly uncached buffers for descriptors and data
1249 struct buffer_location {
1250 struct mvpp2_tx_desc *aggr_tx_descs;
1251 struct mvpp2_tx_desc *tx_descs;
1252 struct mvpp2_rx_desc *rx_descs;
1253 unsigned long *bm_pool[MVPP2_BM_POOLS_NUM];
1254 unsigned long *rx_buffer[MVPP2_BM_LONG_BUF_NUM];
1259 * All 4 interfaces use the same global buffer, since only one interface
1260 * can be enabled at once
1262 static struct buffer_location buffer_loc;
1265 * Page table entries are set to 1MB, or multiples of 1MB
1266 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1268 #define BD_SPACE (1 << 20)
1270 /* Utility/helper methods */
1272 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1274 writel(data, priv->base + offset);
1277 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1279 return readl(priv->base + offset);
1282 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1283 struct mvpp2_tx_desc *tx_desc,
1284 dma_addr_t dma_addr)
1286 if (port->priv->hw_version == MVPP21) {
1287 tx_desc->pp21.buf_dma_addr = dma_addr;
1289 u64 val = (u64)dma_addr;
1291 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1292 tx_desc->pp22.buf_dma_addr_ptp |= val;
1296 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1297 struct mvpp2_tx_desc *tx_desc,
1300 if (port->priv->hw_version == MVPP21)
1301 tx_desc->pp21.data_size = size;
1303 tx_desc->pp22.data_size = size;
1306 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1307 struct mvpp2_tx_desc *tx_desc,
1310 if (port->priv->hw_version == MVPP21)
1311 tx_desc->pp21.phys_txq = txq;
1313 tx_desc->pp22.phys_txq = txq;
1316 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1317 struct mvpp2_tx_desc *tx_desc,
1318 unsigned int command)
1320 if (port->priv->hw_version == MVPP21)
1321 tx_desc->pp21.command = command;
1323 tx_desc->pp22.command = command;
1326 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1327 struct mvpp2_tx_desc *tx_desc,
1328 unsigned int offset)
1330 if (port->priv->hw_version == MVPP21)
1331 tx_desc->pp21.packet_offset = offset;
1333 tx_desc->pp22.packet_offset = offset;
1336 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1337 struct mvpp2_rx_desc *rx_desc)
1339 if (port->priv->hw_version == MVPP21)
1340 return rx_desc->pp21.buf_dma_addr;
1342 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1345 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1346 struct mvpp2_rx_desc *rx_desc)
1348 if (port->priv->hw_version == MVPP21)
1349 return rx_desc->pp21.buf_cookie;
1351 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1354 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1355 struct mvpp2_rx_desc *rx_desc)
1357 if (port->priv->hw_version == MVPP21)
1358 return rx_desc->pp21.data_size;
1360 return rx_desc->pp22.data_size;
1363 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1364 struct mvpp2_rx_desc *rx_desc)
1366 if (port->priv->hw_version == MVPP21)
1367 return rx_desc->pp21.status;
1369 return rx_desc->pp22.status;
1372 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1374 txq_pcpu->txq_get_index++;
1375 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1376 txq_pcpu->txq_get_index = 0;
1379 /* Get number of physical egress port */
1380 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1382 return MVPP2_MAX_TCONT + port->id;
1385 /* Get number of physical TXQ */
1386 static inline int mvpp2_txq_phys(int port, int txq)
1388 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1391 /* Parser configuration routines */
1393 /* Update parser tcam and sram hw entries */
1394 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1398 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1401 /* Clear entry invalidation bit */
1402 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1404 /* Write tcam index - indirect access */
1405 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1406 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1407 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1409 /* Write sram index - indirect access */
1410 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1411 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1412 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1417 /* Read tcam entry from hw */
1418 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1422 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1425 /* Write tcam index - indirect access */
1426 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1428 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1429 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1430 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1431 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1433 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1434 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1436 /* Write sram index - indirect access */
1437 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1438 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1439 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1444 /* Invalidate tcam hw entry */
1445 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1447 /* Write index - indirect access */
1448 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1449 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1450 MVPP2_PRS_TCAM_INV_MASK);
1453 /* Enable shadow table entry and set its lookup ID */
1454 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1456 priv->prs_shadow[index].valid = true;
1457 priv->prs_shadow[index].lu = lu;
1460 /* Update ri fields in shadow table entry */
1461 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1462 unsigned int ri, unsigned int ri_mask)
1464 priv->prs_shadow[index].ri_mask = ri_mask;
1465 priv->prs_shadow[index].ri = ri;
1468 /* Update lookup field in tcam sw entry */
1469 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1471 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1473 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1474 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1477 /* Update mask for single port in tcam sw entry */
1478 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1479 unsigned int port, bool add)
1481 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1484 pe->tcam.byte[enable_off] &= ~(1 << port);
1486 pe->tcam.byte[enable_off] |= 1 << port;
1489 /* Update port map in tcam sw entry */
1490 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1493 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1494 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1496 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1497 pe->tcam.byte[enable_off] &= ~port_mask;
1498 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1501 /* Obtain port map from tcam sw entry */
1502 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1504 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1506 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1509 /* Set byte of data and its enable bits in tcam sw entry */
1510 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1511 unsigned int offs, unsigned char byte,
1512 unsigned char enable)
1514 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1515 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1518 /* Get byte of data and its enable bits from tcam sw entry */
1519 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1520 unsigned int offs, unsigned char *byte,
1521 unsigned char *enable)
1523 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1524 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1527 /* Set ethertype in tcam sw entry */
1528 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1529 unsigned short ethertype)
1531 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1532 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1535 /* Set bits in sram sw entry */
1536 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1539 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1542 /* Clear bits in sram sw entry */
1543 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1546 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1549 /* Update ri bits in sram sw entry */
1550 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1551 unsigned int bits, unsigned int mask)
1555 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1556 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1558 if (!(mask & BIT(i)))
1562 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1564 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1566 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1570 /* Update ai bits in sram sw entry */
1571 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1572 unsigned int bits, unsigned int mask)
1575 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1577 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1579 if (!(mask & BIT(i)))
1583 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1585 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1587 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1591 /* Read ai bits from sram sw entry */
1592 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1595 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1596 int ai_en_off = ai_off + 1;
1597 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1599 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1600 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1605 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1608 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1611 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1613 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1614 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1615 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1618 /* In the sram sw entry set sign and value of the next lookup offset
1619 * and the offset value generated to the classifier
1621 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1626 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1629 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1633 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1634 (unsigned char)shift;
1636 /* Reset and set operation */
1637 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1638 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1639 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1641 /* Set base offset as current */
1642 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1645 /* In the sram sw entry set sign and value of the user defined offset
1646 * generated to the classifier
1648 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1649 unsigned int type, int offset,
1654 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1655 offset = 0 - offset;
1657 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1661 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1662 MVPP2_PRS_SRAM_UDF_MASK);
1663 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1664 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1665 MVPP2_PRS_SRAM_UDF_BITS)] &=
1666 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1667 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1668 MVPP2_PRS_SRAM_UDF_BITS)] |=
1669 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1671 /* Set offset type */
1672 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1673 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1674 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1676 /* Set offset operation */
1677 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1678 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1679 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1681 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1682 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1683 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1684 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1686 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1687 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1688 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1690 /* Set base offset as current */
1691 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1694 /* Find parser flow entry */
1695 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1697 struct mvpp2_prs_entry *pe;
1700 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1703 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1705 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1706 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1709 if (!priv->prs_shadow[tid].valid ||
1710 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1714 mvpp2_prs_hw_read(priv, pe);
1715 bits = mvpp2_prs_sram_ai_get(pe);
1717 /* Sram store classification lookup ID in AI bits [5:0] */
1718 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1726 /* Return first free tcam index, seeking from start to end */
1727 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1735 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1736 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1738 for (tid = start; tid <= end; tid++) {
1739 if (!priv->prs_shadow[tid].valid)
1746 /* Enable/disable dropping all mac da's */
1747 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1749 struct mvpp2_prs_entry pe;
1751 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1752 /* Entry exist - update port only */
1753 pe.index = MVPP2_PE_DROP_ALL;
1754 mvpp2_prs_hw_read(priv, &pe);
1756 /* Entry doesn't exist - create new */
1757 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1758 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1759 pe.index = MVPP2_PE_DROP_ALL;
1761 /* Non-promiscuous mode for all ports - DROP unknown packets */
1762 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1763 MVPP2_PRS_RI_DROP_MASK);
1765 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1766 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1768 /* Update shadow table */
1769 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1771 /* Mask all ports */
1772 mvpp2_prs_tcam_port_map_set(&pe, 0);
1775 /* Update port mask */
1776 mvpp2_prs_tcam_port_set(&pe, port, add);
1778 mvpp2_prs_hw_write(priv, &pe);
1781 /* Set port to promiscuous mode */
1782 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1784 struct mvpp2_prs_entry pe;
1786 /* Promiscuous mode - Accept unknown packets */
1788 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1789 /* Entry exist - update port only */
1790 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1791 mvpp2_prs_hw_read(priv, &pe);
1793 /* Entry doesn't exist - create new */
1794 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1795 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1796 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1798 /* Continue - set next lookup */
1799 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1801 /* Set result info bits */
1802 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1803 MVPP2_PRS_RI_L2_CAST_MASK);
1805 /* Shift to ethertype */
1806 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1807 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1809 /* Mask all ports */
1810 mvpp2_prs_tcam_port_map_set(&pe, 0);
1812 /* Update shadow table */
1813 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1816 /* Update port mask */
1817 mvpp2_prs_tcam_port_set(&pe, port, add);
1819 mvpp2_prs_hw_write(priv, &pe);
1822 /* Accept multicast */
1823 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1826 struct mvpp2_prs_entry pe;
1827 unsigned char da_mc;
1829 /* Ethernet multicast address first byte is
1830 * 0x01 for IPv4 and 0x33 for IPv6
1832 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1834 if (priv->prs_shadow[index].valid) {
1835 /* Entry exist - update port only */
1837 mvpp2_prs_hw_read(priv, &pe);
1839 /* Entry doesn't exist - create new */
1840 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1841 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1844 /* Continue - set next lookup */
1845 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1847 /* Set result info bits */
1848 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1849 MVPP2_PRS_RI_L2_CAST_MASK);
1851 /* Update tcam entry data first byte */
1852 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1854 /* Shift to ethertype */
1855 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1856 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1858 /* Mask all ports */
1859 mvpp2_prs_tcam_port_map_set(&pe, 0);
1861 /* Update shadow table */
1862 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1865 /* Update port mask */
1866 mvpp2_prs_tcam_port_set(&pe, port, add);
1868 mvpp2_prs_hw_write(priv, &pe);
1871 /* Parser per-port initialization */
1872 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1873 int lu_max, int offset)
1878 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1879 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1880 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1881 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1883 /* Set maximum number of loops for packet received from port */
1884 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1885 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1886 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1887 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1889 /* Set initial offset for packet header extraction for the first
1892 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1893 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1894 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1895 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1898 /* Default flow entries initialization for all ports */
1899 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1901 struct mvpp2_prs_entry pe;
1904 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1905 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1906 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1907 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1909 /* Mask all ports */
1910 mvpp2_prs_tcam_port_map_set(&pe, 0);
1913 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1914 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1916 /* Update shadow table and hw entry */
1917 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1918 mvpp2_prs_hw_write(priv, &pe);
1922 /* Set default entry for Marvell Header field */
1923 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1925 struct mvpp2_prs_entry pe;
1927 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1929 pe.index = MVPP2_PE_MH_DEFAULT;
1930 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1931 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1932 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1933 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1935 /* Unmask all ports */
1936 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1938 /* Update shadow table and hw entry */
1939 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1940 mvpp2_prs_hw_write(priv, &pe);
1943 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1944 * multicast MAC addresses
1946 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1948 struct mvpp2_prs_entry pe;
1950 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1952 /* Non-promiscuous mode for all ports - DROP unknown packets */
1953 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1954 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1956 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1957 MVPP2_PRS_RI_DROP_MASK);
1958 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1959 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1961 /* Unmask all ports */
1962 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1964 /* Update shadow table and hw entry */
1965 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1966 mvpp2_prs_hw_write(priv, &pe);
1968 /* place holders only - no ports */
1969 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1970 mvpp2_prs_mac_promisc_set(priv, 0, false);
1971 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1972 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1975 /* Match basic ethertypes */
1976 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1978 struct mvpp2_prs_entry pe;
1981 /* Ethertype: PPPoE */
1982 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1983 MVPP2_PE_LAST_FREE_TID);
1987 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1988 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
1991 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
1993 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
1994 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1995 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
1996 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
1997 MVPP2_PRS_RI_PPPOE_MASK);
1999 /* Update shadow table and hw entry */
2000 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2001 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2002 priv->prs_shadow[pe.index].finish = false;
2003 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2004 MVPP2_PRS_RI_PPPOE_MASK);
2005 mvpp2_prs_hw_write(priv, &pe);
2007 /* Ethertype: ARP */
2008 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2009 MVPP2_PE_LAST_FREE_TID);
2013 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2014 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2017 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2019 /* Generate flow in the next iteration*/
2020 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2021 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2022 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2023 MVPP2_PRS_RI_L3_PROTO_MASK);
2025 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2027 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2029 /* Update shadow table and hw entry */
2030 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2031 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2032 priv->prs_shadow[pe.index].finish = true;
2033 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2034 MVPP2_PRS_RI_L3_PROTO_MASK);
2035 mvpp2_prs_hw_write(priv, &pe);
2037 /* Ethertype: LBTD */
2038 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2039 MVPP2_PE_LAST_FREE_TID);
2043 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2044 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2047 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2049 /* Generate flow in the next iteration*/
2050 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2051 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2052 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2053 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2054 MVPP2_PRS_RI_CPU_CODE_MASK |
2055 MVPP2_PRS_RI_UDF3_MASK);
2057 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2059 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2061 /* Update shadow table and hw entry */
2062 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2063 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2064 priv->prs_shadow[pe.index].finish = true;
2065 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2066 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2067 MVPP2_PRS_RI_CPU_CODE_MASK |
2068 MVPP2_PRS_RI_UDF3_MASK);
2069 mvpp2_prs_hw_write(priv, &pe);
2071 /* Ethertype: IPv4 without options */
2072 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2073 MVPP2_PE_LAST_FREE_TID);
2077 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2078 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2081 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2082 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2083 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2084 MVPP2_PRS_IPV4_HEAD_MASK |
2085 MVPP2_PRS_IPV4_IHL_MASK);
2087 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2088 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2089 MVPP2_PRS_RI_L3_PROTO_MASK);
2090 /* Skip eth_type + 4 bytes of IP header */
2091 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2092 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2094 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2096 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2098 /* Update shadow table and hw entry */
2099 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2100 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2101 priv->prs_shadow[pe.index].finish = false;
2102 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2103 MVPP2_PRS_RI_L3_PROTO_MASK);
2104 mvpp2_prs_hw_write(priv, &pe);
2106 /* Ethertype: IPv4 with options */
2107 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2108 MVPP2_PE_LAST_FREE_TID);
2114 /* Clear tcam data before updating */
2115 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2116 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2118 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2119 MVPP2_PRS_IPV4_HEAD,
2120 MVPP2_PRS_IPV4_HEAD_MASK);
2122 /* Clear ri before updating */
2123 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2124 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2125 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2126 MVPP2_PRS_RI_L3_PROTO_MASK);
2128 /* Update shadow table and hw entry */
2129 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2130 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2131 priv->prs_shadow[pe.index].finish = false;
2132 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2133 MVPP2_PRS_RI_L3_PROTO_MASK);
2134 mvpp2_prs_hw_write(priv, &pe);
2136 /* Ethertype: IPv6 without options */
2137 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2138 MVPP2_PE_LAST_FREE_TID);
2142 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2143 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2146 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2148 /* Skip DIP of IPV6 header */
2149 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2150 MVPP2_MAX_L3_ADDR_SIZE,
2151 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2152 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2153 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2154 MVPP2_PRS_RI_L3_PROTO_MASK);
2156 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2158 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2160 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2161 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2162 priv->prs_shadow[pe.index].finish = false;
2163 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2164 MVPP2_PRS_RI_L3_PROTO_MASK);
2165 mvpp2_prs_hw_write(priv, &pe);
2167 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2168 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2169 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2170 pe.index = MVPP2_PE_ETH_TYPE_UN;
2172 /* Unmask all ports */
2173 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2175 /* Generate flow in the next iteration*/
2176 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2177 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2178 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2179 MVPP2_PRS_RI_L3_PROTO_MASK);
2180 /* Set L3 offset even it's unknown L3 */
2181 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2183 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2185 /* Update shadow table and hw entry */
2186 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2187 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2188 priv->prs_shadow[pe.index].finish = true;
2189 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2190 MVPP2_PRS_RI_L3_PROTO_MASK);
2191 mvpp2_prs_hw_write(priv, &pe);
2196 /* Parser default initialization */
2197 static int mvpp2_prs_default_init(struct udevice *dev,
2202 /* Enable tcam table */
2203 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2205 /* Clear all tcam and sram entries */
2206 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2207 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2208 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2209 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2211 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2212 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2213 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2216 /* Invalidate all tcam entries */
2217 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2218 mvpp2_prs_hw_inv(priv, index);
2220 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2221 sizeof(struct mvpp2_prs_shadow),
2223 if (!priv->prs_shadow)
2226 /* Always start from lookup = 0 */
2227 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2228 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2229 MVPP2_PRS_PORT_LU_MAX, 0);
2231 mvpp2_prs_def_flow_init(priv);
2233 mvpp2_prs_mh_init(priv);
2235 mvpp2_prs_mac_init(priv);
2237 err = mvpp2_prs_etype_init(priv);
2244 /* Compare MAC DA with tcam entry data */
2245 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2246 const u8 *da, unsigned char *mask)
2248 unsigned char tcam_byte, tcam_mask;
2251 for (index = 0; index < ETH_ALEN; index++) {
2252 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2253 if (tcam_mask != mask[index])
2256 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2263 /* Find tcam entry with matched pair <MAC DA, port> */
2264 static struct mvpp2_prs_entry *
2265 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2266 unsigned char *mask, int udf_type)
2268 struct mvpp2_prs_entry *pe;
2271 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2274 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2276 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2277 for (tid = MVPP2_PE_FIRST_FREE_TID;
2278 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2279 unsigned int entry_pmap;
2281 if (!priv->prs_shadow[tid].valid ||
2282 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2283 (priv->prs_shadow[tid].udf != udf_type))
2287 mvpp2_prs_hw_read(priv, pe);
2288 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2290 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2299 /* Update parser's mac da entry */
2300 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2301 const u8 *da, bool add)
2303 struct mvpp2_prs_entry *pe;
2304 unsigned int pmap, len, ri;
2305 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2308 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2309 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2310 MVPP2_PRS_UDF_MAC_DEF);
2317 /* Create new TCAM entry */
2318 /* Find first range mac entry*/
2319 for (tid = MVPP2_PE_FIRST_FREE_TID;
2320 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2321 if (priv->prs_shadow[tid].valid &&
2322 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2323 (priv->prs_shadow[tid].udf ==
2324 MVPP2_PRS_UDF_MAC_RANGE))
2327 /* Go through the all entries from first to last */
2328 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2333 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2336 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2339 /* Mask all ports */
2340 mvpp2_prs_tcam_port_map_set(pe, 0);
2343 /* Update port mask */
2344 mvpp2_prs_tcam_port_set(pe, port, add);
2346 /* Invalidate the entry if no ports are left enabled */
2347 pmap = mvpp2_prs_tcam_port_map_get(pe);
2353 mvpp2_prs_hw_inv(priv, pe->index);
2354 priv->prs_shadow[pe->index].valid = false;
2359 /* Continue - set next lookup */
2360 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2362 /* Set match on DA */
2365 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2367 /* Set result info bits */
2368 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2370 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2371 MVPP2_PRS_RI_MAC_ME_MASK);
2372 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2373 MVPP2_PRS_RI_MAC_ME_MASK);
2375 /* Shift to ethertype */
2376 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2377 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2379 /* Update shadow table and hw entry */
2380 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2381 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2382 mvpp2_prs_hw_write(priv, pe);
2389 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2393 /* Remove old parser entry */
2394 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2399 /* Add new parser entry */
2400 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2404 /* Set addr in the device */
2405 memcpy(port->dev_addr, da, ETH_ALEN);
2410 /* Set prs flow for the port */
2411 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2413 struct mvpp2_prs_entry *pe;
2416 pe = mvpp2_prs_flow_find(port->priv, port->id);
2418 /* Such entry not exist */
2420 /* Go through the all entires from last to first */
2421 tid = mvpp2_prs_tcam_first_free(port->priv,
2422 MVPP2_PE_LAST_FREE_TID,
2423 MVPP2_PE_FIRST_FREE_TID);
2427 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2431 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2435 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2436 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2438 /* Update shadow table */
2439 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2442 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2443 mvpp2_prs_hw_write(port->priv, pe);
2449 /* Classifier configuration routines */
2451 /* Update classification flow table registers */
2452 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2453 struct mvpp2_cls_flow_entry *fe)
2455 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2456 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2457 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2458 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2461 /* Update classification lookup table register */
2462 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2463 struct mvpp2_cls_lookup_entry *le)
2467 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2468 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2469 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2472 /* Classifier default initialization */
2473 static void mvpp2_cls_init(struct mvpp2 *priv)
2475 struct mvpp2_cls_lookup_entry le;
2476 struct mvpp2_cls_flow_entry fe;
2479 /* Enable classifier */
2480 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2482 /* Clear classifier flow table */
2483 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2484 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2486 mvpp2_cls_flow_write(priv, &fe);
2489 /* Clear classifier lookup table */
2491 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2494 mvpp2_cls_lookup_write(priv, &le);
2497 mvpp2_cls_lookup_write(priv, &le);
2501 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2503 struct mvpp2_cls_lookup_entry le;
2506 /* Set way for the port */
2507 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2508 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2509 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2511 /* Pick the entry to be accessed in lookup ID decoding table
2512 * according to the way and lkpid.
2514 le.lkpid = port->id;
2518 /* Set initial CPU queue for receiving packets */
2519 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2520 le.data |= port->first_rxq;
2522 /* Disable classification engines */
2523 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2525 /* Update lookup ID table entry */
2526 mvpp2_cls_lookup_write(port->priv, &le);
2529 /* Set CPU queue number for oversize packets */
2530 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2534 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2535 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2537 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2538 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2540 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2541 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2542 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2545 /* Buffer Manager configuration routines */
2548 static int mvpp2_bm_pool_create(struct udevice *dev,
2550 struct mvpp2_bm_pool *bm_pool, int size)
2554 /* Number of buffer pointers must be a multiple of 16, as per
2555 * hardware constraints
2557 if (!IS_ALIGNED(size, 16))
2560 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2561 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2562 if (!bm_pool->virt_addr)
2565 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2566 MVPP2_BM_POOL_PTR_ALIGN)) {
2567 dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n",
2568 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2572 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2573 lower_32_bits(bm_pool->dma_addr));
2574 if (priv->hw_version == MVPP22)
2575 mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
2576 (upper_32_bits(bm_pool->dma_addr) &
2577 MVPP22_BM_POOL_BASE_HIGH_MASK));
2578 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2580 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2581 val |= MVPP2_BM_START_MASK;
2582 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2584 bm_pool->type = MVPP2_BM_FREE;
2585 bm_pool->size = size;
2586 bm_pool->pkt_size = 0;
2587 bm_pool->buf_num = 0;
2592 /* Set pool buffer size */
2593 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2594 struct mvpp2_bm_pool *bm_pool,
2599 bm_pool->buf_size = buf_size;
2601 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2602 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2605 /* Free all buffers from the pool */
2606 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2607 struct mvpp2_bm_pool *bm_pool)
2611 for (i = 0; i < bm_pool->buf_num; i++) {
2612 /* Allocate buffer back from the buffer manager */
2613 mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
2616 bm_pool->buf_num = 0;
2620 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2622 struct mvpp2_bm_pool *bm_pool)
2626 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2627 if (bm_pool->buf_num) {
2628 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2632 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2633 val |= MVPP2_BM_STOP_MASK;
2634 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2639 static int mvpp2_bm_pools_init(struct udevice *dev,
2643 struct mvpp2_bm_pool *bm_pool;
2645 /* Create all pools with maximum size */
2646 size = MVPP2_BM_POOL_SIZE_MAX;
2647 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2648 bm_pool = &priv->bm_pools[i];
2650 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2652 goto err_unroll_pools;
2653 mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
2658 dev_err(&pdev->dev, "failed to create BM pool %d, size %d\n", i, size);
2659 for (i = i - 1; i >= 0; i--)
2660 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2664 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2668 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2669 /* Mask BM all interrupts */
2670 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2671 /* Clear BM cause register */
2672 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2675 /* Allocate and initialize BM pools */
2676 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2677 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2678 if (!priv->bm_pools)
2681 err = mvpp2_bm_pools_init(dev, priv);
2687 /* Attach long pool to rxq */
2688 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2689 int lrxq, int long_pool)
2694 /* Get queue physical ID */
2695 prxq = port->rxqs[lrxq]->id;
2697 if (port->priv->hw_version == MVPP21)
2698 mask = MVPP21_RXQ_POOL_LONG_MASK;
2700 mask = MVPP22_RXQ_POOL_LONG_MASK;
2702 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2704 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2705 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2708 /* Set pool number in a BM cookie */
2709 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2713 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2714 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2719 /* Get pool number from a BM cookie */
2720 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2722 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2725 /* Release buffer to BM */
2726 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2727 dma_addr_t buf_dma_addr,
2728 unsigned long buf_phys_addr)
2730 if (port->priv->hw_version == MVPP22) {
2733 if (sizeof(dma_addr_t) == 8)
2734 val |= upper_32_bits(buf_dma_addr) &
2735 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2737 if (sizeof(phys_addr_t) == 8)
2738 val |= (upper_32_bits(buf_phys_addr)
2739 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2740 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2742 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2745 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2746 * returned in the "cookie" field of the RX
2747 * descriptor. Instead of storing the virtual address, we
2748 * store the physical address
2750 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2751 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2754 /* Refill BM pool */
2755 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2756 dma_addr_t dma_addr,
2757 phys_addr_t phys_addr)
2759 int pool = mvpp2_bm_cookie_pool_get(bm);
2761 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2764 /* Allocate buffers for the pool */
2765 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2766 struct mvpp2_bm_pool *bm_pool, int buf_num)
2771 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2772 netdev_err(port->dev,
2773 "cannot allocate %d buffers for pool %d\n",
2774 buf_num, bm_pool->id);
2778 for (i = 0; i < buf_num; i++) {
2779 mvpp2_bm_pool_put(port, bm_pool->id,
2780 (dma_addr_t)buffer_loc.rx_buffer[i],
2781 (unsigned long)buffer_loc.rx_buffer[i]);
2785 /* Update BM driver with number of buffers added to pool */
2786 bm_pool->buf_num += i;
2791 /* Notify the driver that BM pool is being used as specific type and return the
2792 * pool pointer on success
2794 static struct mvpp2_bm_pool *
2795 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2798 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2801 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2802 netdev_err(port->dev, "mixing pool types is forbidden\n");
2806 if (new_pool->type == MVPP2_BM_FREE)
2807 new_pool->type = type;
2809 /* Allocate buffers in case BM pool is used as long pool, but packet
2810 * size doesn't match MTU or BM pool hasn't being used yet
2812 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2813 (new_pool->pkt_size == 0)) {
2816 /* Set default buffer number or free all the buffers in case
2817 * the pool is not empty
2819 pkts_num = new_pool->buf_num;
2821 pkts_num = type == MVPP2_BM_SWF_LONG ?
2822 MVPP2_BM_LONG_BUF_NUM :
2823 MVPP2_BM_SHORT_BUF_NUM;
2825 mvpp2_bm_bufs_free(NULL,
2826 port->priv, new_pool);
2828 new_pool->pkt_size = pkt_size;
2830 /* Allocate buffers for this pool */
2831 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2832 if (num != pkts_num) {
2833 dev_err(dev, "pool %d: %d of %d allocated\n",
2834 new_pool->id, num, pkts_num);
2842 /* Initialize pools for swf */
2843 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2847 if (!port->pool_long) {
2849 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2852 if (!port->pool_long)
2855 port->pool_long->port_map |= (1 << port->id);
2857 for (rxq = 0; rxq < rxq_number; rxq++)
2858 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2864 /* Port configuration routines */
2866 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2870 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2872 switch (port->phy_interface) {
2873 case PHY_INTERFACE_MODE_SGMII:
2874 val |= MVPP2_GMAC_INBAND_AN_MASK;
2876 case PHY_INTERFACE_MODE_RGMII:
2877 case PHY_INTERFACE_MODE_RGMII_ID:
2878 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2880 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2883 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2886 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2890 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2891 val |= MVPP2_GMAC_FC_ADV_EN;
2892 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2895 static void mvpp2_port_enable(struct mvpp2_port *port)
2899 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2900 val |= MVPP2_GMAC_PORT_EN_MASK;
2901 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2902 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2905 static void mvpp2_port_disable(struct mvpp2_port *port)
2909 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2910 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2911 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2914 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2915 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2919 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2920 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2921 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2924 /* Configure loopback port */
2925 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2929 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2931 if (port->speed == 1000)
2932 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2934 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2936 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII)
2937 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2939 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2941 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2944 static void mvpp2_port_reset(struct mvpp2_port *port)
2948 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2949 ~MVPP2_GMAC_PORT_RESET_MASK;
2950 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2952 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2953 MVPP2_GMAC_PORT_RESET_MASK)
2957 /* Change maximum receive size of the port */
2958 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2962 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2963 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2964 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2965 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2966 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2969 /* PPv2.2 GoP/GMAC config */
2971 /* Set the MAC to reset or exit from reset */
2972 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2976 /* read - modify - write */
2977 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2979 val |= MVPP2_GMAC_PORT_RESET_MASK;
2981 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2982 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2990 * Configure port to working with Gig PCS or don't.
2992 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
2996 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2998 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3000 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3001 /* enable / disable PCS on this port */
3002 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3007 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3011 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3013 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3015 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3016 /* enable / disable PCS on this port */
3017 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3022 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3027 * Configure minimal level of the Tx FIFO before the lower part
3028 * starts to read a packet
3030 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3031 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3032 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3033 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3034 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3036 /* Disable bypass of sync module */
3037 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3038 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3039 /* configure DP clock select according to mode */
3040 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3041 /* configure QSGMII bypass according to mode */
3042 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3043 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3045 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3047 * Configure GIG MAC to 1000Base-X mode connected to a fiber
3050 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3051 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3053 /* configure AN 0x9268 */
3054 val = MVPP2_GMAC_EN_PCS_AN |
3055 MVPP2_GMAC_AN_BYPASS_EN |
3056 MVPP2_GMAC_CONFIG_MII_SPEED |
3057 MVPP2_GMAC_CONFIG_GMII_SPEED |
3058 MVPP2_GMAC_FC_ADV_EN |
3059 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3060 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3061 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3064 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3069 * Configure minimal level of the Tx FIFO before the lower part
3070 * starts to read a packet
3072 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3073 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3074 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3075 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3076 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3078 /* Disable bypass of sync module */
3079 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3080 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3081 /* configure DP clock select according to mode */
3082 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3083 /* configure QSGMII bypass according to mode */
3084 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3085 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3087 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3088 /* configure GIG MAC to SGMII mode */
3089 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3090 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3093 val = MVPP2_GMAC_EN_PCS_AN |
3094 MVPP2_GMAC_AN_BYPASS_EN |
3095 MVPP2_GMAC_AN_SPEED_EN |
3096 MVPP2_GMAC_EN_FC_AN |
3097 MVPP2_GMAC_AN_DUPLEX_EN |
3098 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3099 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3102 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3107 * Configure minimal level of the Tx FIFO before the lower part
3108 * starts to read a packet
3110 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3111 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3112 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3113 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3114 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3116 /* Disable bypass of sync module */
3117 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3118 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3119 /* configure DP clock select according to mode */
3120 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3121 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3122 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3123 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3125 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3126 /* configure GIG MAC to SGMII mode */
3127 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3128 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3130 /* configure AN 0xb8e8 */
3131 val = MVPP2_GMAC_AN_BYPASS_EN |
3132 MVPP2_GMAC_AN_SPEED_EN |
3133 MVPP2_GMAC_EN_FC_AN |
3134 MVPP2_GMAC_AN_DUPLEX_EN |
3135 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3136 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3139 /* Set the internal mux's to the required MAC in the GOP */
3140 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3144 /* Set TX FIFO thresholds */
3145 switch (port->phy_interface) {
3146 case PHY_INTERFACE_MODE_SGMII:
3147 if (port->phy_speed == 2500)
3148 gop_gmac_sgmii2_5_cfg(port);
3150 gop_gmac_sgmii_cfg(port);
3153 case PHY_INTERFACE_MODE_RGMII:
3154 case PHY_INTERFACE_MODE_RGMII_ID:
3155 gop_gmac_rgmii_cfg(port);
3162 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3163 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3164 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3165 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3166 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3168 /* PeriodicXonEn disable */
3169 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3170 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3171 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3176 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3180 /* relevant only for MAC0 (XLG0 and GMAC0) */
3181 if (port->gop_id > 0)
3184 /* configure 1Gig MAC mode */
3185 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3186 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3187 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3188 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3191 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3195 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3197 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3199 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3200 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3205 /* Set the internal mux's to the required PCS in the PI */
3206 static int gop_xpcs_mode(struct mvpp2_port *port, int num_of_lanes)
3211 switch (num_of_lanes) {
3225 /* configure XG MAC mode */
3226 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3227 val &= ~MVPP22_XPCS_PCSMODE_MASK;
3228 val &= ~MVPP22_XPCS_LANEACTIVE_MASK;
3229 val |= (2 * lane) << MVPP22_XPCS_LANEACTIVE_OFFS;
3230 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3235 static int gop_mpcs_mode(struct mvpp2_port *port)
3239 /* configure PCS40G COMMON CONTROL */
3240 val = readl(port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3241 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3242 writel(val, port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3244 /* configure PCS CLOCK RESET */
3245 val = readl(port->priv->mpcs_base + PCS_CLOCK_RESET);
3246 val &= ~CLK_DIVISION_RATIO_MASK;
3247 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3248 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3250 val &= ~CLK_DIV_PHASE_SET_MASK;
3251 val |= MAC_CLK_RESET_MASK;
3252 val |= RX_SD_CLK_RESET_MASK;
3253 val |= TX_SD_CLK_RESET_MASK;
3254 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3259 /* Set the internal mux's to the required MAC in the GOP */
3260 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3264 /* configure 10G MAC mode */
3265 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3266 val |= MVPP22_XLG_RX_FC_EN;
3267 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3269 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3270 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3271 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3272 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3274 /* read - modify - write */
3275 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3276 val &= ~MVPP22_XLG_MODE_DMA_1G;
3277 val |= MVPP22_XLG_FORWARD_PFC_EN;
3278 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3279 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3280 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3282 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3283 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3284 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3285 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3286 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3288 /* unmask link change interrupt */
3289 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3290 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3291 val |= 1; /* unmask summary bit */
3292 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3297 /* Set PCS to reset or exit from reset */
3298 static int gop_xpcs_reset(struct mvpp2_port *port, int reset)
3302 /* read - modify - write */
3303 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3305 val &= ~MVPP22_XPCS_PCSRESET;
3307 val |= MVPP22_XPCS_PCSRESET;
3308 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3313 /* Set the MAC to reset or exit from reset */
3314 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3318 /* read - modify - write */
3319 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3321 val &= ~MVPP22_XLG_MAC_RESETN;
3323 val |= MVPP22_XLG_MAC_RESETN;
3324 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3332 * Init physical port. Configures the port mode and all it's elements
3334 * Does not verify that the selected mode/port number is valid at the
3337 static int gop_port_init(struct mvpp2_port *port)
3339 int mac_num = port->gop_id;
3340 int num_of_act_lanes;
3342 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3343 netdev_err(NULL, "%s: illegal port number %d", __func__,
3348 switch (port->phy_interface) {
3349 case PHY_INTERFACE_MODE_RGMII:
3350 case PHY_INTERFACE_MODE_RGMII_ID:
3351 gop_gmac_reset(port, 1);
3354 gop_gpcs_mode_cfg(port, 0);
3355 gop_bypass_clk_cfg(port, 1);
3358 gop_gmac_mode_cfg(port);
3360 gop_gpcs_reset(port, 0);
3363 gop_gmac_reset(port, 0);
3366 case PHY_INTERFACE_MODE_SGMII:
3368 gop_gpcs_mode_cfg(port, 1);
3371 gop_gmac_mode_cfg(port);
3372 /* select proper Mac mode */
3373 gop_xlg_2_gig_mac_cfg(port);
3376 gop_gpcs_reset(port, 0);
3378 gop_gmac_reset(port, 0);
3381 case PHY_INTERFACE_MODE_SFI:
3382 num_of_act_lanes = 2;
3385 gop_xpcs_mode(port, num_of_act_lanes);
3386 gop_mpcs_mode(port);
3388 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3391 gop_xpcs_reset(port, 0);
3394 gop_xlg_mac_reset(port, 0);
3398 netdev_err(NULL, "%s: Requested port mode (%d) not supported\n",
3399 __func__, port->phy_interface);
3406 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3410 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3412 /* Enable port and MIB counters update */
3413 val |= MVPP22_XLG_PORT_EN;
3414 val &= ~MVPP22_XLG_MIBCNT_DIS;
3417 val &= ~MVPP22_XLG_PORT_EN;
3419 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3422 static void gop_port_enable(struct mvpp2_port *port, int enable)
3424 switch (port->phy_interface) {
3425 case PHY_INTERFACE_MODE_RGMII:
3426 case PHY_INTERFACE_MODE_RGMII_ID:
3427 case PHY_INTERFACE_MODE_SGMII:
3429 mvpp2_port_enable(port);
3431 mvpp2_port_disable(port);
3434 case PHY_INTERFACE_MODE_SFI:
3435 gop_xlg_mac_port_enable(port, enable);
3439 netdev_err(NULL, "%s: Wrong port mode (%d)\n", __func__,
3440 port->phy_interface);
3445 /* RFU1 functions */
3446 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3448 return readl(priv->rfu1_base + offset);
3451 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3453 writel(data, priv->rfu1_base + offset);
3456 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3461 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3462 val |= MV_NETC_GE_MAC2_SGMII;
3466 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3467 val |= MV_NETC_GE_MAC3_SGMII;
3468 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3469 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3470 val |= MV_NETC_GE_MAC3_RGMII;
3476 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3480 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3481 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3483 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3484 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3488 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3491 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3495 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3496 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3498 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3499 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3503 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3506 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3510 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3511 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3513 val <<= NETC_GOP_SOFT_RESET_OFFS;
3514 val &= NETC_GOP_SOFT_RESET_MASK;
3518 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3521 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3525 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3526 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3528 val <<= NETC_CLK_DIV_PHASE_OFFS;
3529 val &= NETC_CLK_DIV_PHASE_MASK;
3533 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3536 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3540 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3541 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3543 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3544 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3548 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3551 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3554 u32 reg, mask, offset;
3557 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3558 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3560 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3561 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3563 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3571 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3574 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3578 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3579 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3581 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3582 val &= NETC_BUS_WIDTH_SELECT_MASK;
3586 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3589 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3593 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3594 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3596 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3597 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3601 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3604 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3605 enum mv_netc_phase phase)
3608 case MV_NETC_FIRST_PHASE:
3609 /* Set Bus Width to HB mode = 1 */
3610 gop_netc_bus_width_select(priv, 1);
3611 /* Select RGMII mode */
3612 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3615 case MV_NETC_SECOND_PHASE:
3616 /* De-assert the relevant port HB reset */
3617 gop_netc_port_rf_reset(priv, gop_id, 1);
3622 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3623 enum mv_netc_phase phase)
3626 case MV_NETC_FIRST_PHASE:
3627 /* Set Bus Width to HB mode = 1 */
3628 gop_netc_bus_width_select(priv, 1);
3629 /* Select SGMII mode */
3631 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3635 /* Configure the sample stages */
3636 gop_netc_sample_stages_timing(priv, 0);
3637 /* Configure the ComPhy Selector */
3638 /* gop_netc_com_phy_selector_config(netComplex); */
3641 case MV_NETC_SECOND_PHASE:
3642 /* De-assert the relevant port HB reset */
3643 gop_netc_port_rf_reset(priv, gop_id, 1);
3648 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3650 u32 c = priv->netc_config;
3652 if (c & MV_NETC_GE_MAC2_SGMII)
3653 gop_netc_mac_to_sgmii(priv, 2, phase);
3655 gop_netc_mac_to_xgmii(priv, 2, phase);
3657 if (c & MV_NETC_GE_MAC3_SGMII) {
3658 gop_netc_mac_to_sgmii(priv, 3, phase);
3660 gop_netc_mac_to_xgmii(priv, 3, phase);
3661 if (c & MV_NETC_GE_MAC3_RGMII)
3662 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3664 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3667 /* Activate gop ports 0, 2, 3 */
3668 gop_netc_active_port(priv, 0, 1);
3669 gop_netc_active_port(priv, 2, 1);
3670 gop_netc_active_port(priv, 3, 1);
3672 if (phase == MV_NETC_SECOND_PHASE) {
3673 /* Enable the GOP internal clock logic */
3674 gop_netc_gop_clock_logic_set(priv, 1);
3675 /* De-assert GOP unit reset */
3676 gop_netc_gop_reset(priv, 1);
3682 /* Set defaults to the MVPP2 port */
3683 static void mvpp2_defaults_set(struct mvpp2_port *port)
3685 int tx_port_num, val, queue, ptxq, lrxq;
3687 if (port->priv->hw_version == MVPP21) {
3688 /* Configure port to loopback if needed */
3689 if (port->flags & MVPP2_F_LOOPBACK)
3690 mvpp2_port_loopback_set(port);
3692 /* Update TX FIFO MIN Threshold */
3693 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3694 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3695 /* Min. TX threshold must be less than minimal packet length */
3696 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3697 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3700 /* Disable Legacy WRR, Disable EJP, Release from reset */
3701 tx_port_num = mvpp2_egress_port(port);
3702 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3704 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3706 /* Close bandwidth for all queues */
3707 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3708 ptxq = mvpp2_txq_phys(port->id, queue);
3709 mvpp2_write(port->priv,
3710 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3713 /* Set refill period to 1 usec, refill tokens
3714 * and bucket size to maximum
3716 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3717 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3718 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3719 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3720 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3721 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3722 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3723 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3725 /* Set MaximumLowLatencyPacketSize value to 256 */
3726 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3727 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3728 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3730 /* Enable Rx cache snoop */
3731 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3732 queue = port->rxqs[lrxq]->id;
3733 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3734 val |= MVPP2_SNOOP_PKT_SIZE_MASK |
3735 MVPP2_SNOOP_BUF_HDR_MASK;
3736 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3740 /* Enable/disable receiving packets */
3741 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3746 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3747 queue = port->rxqs[lrxq]->id;
3748 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3749 val &= ~MVPP2_RXQ_DISABLE_MASK;
3750 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3754 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3759 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3760 queue = port->rxqs[lrxq]->id;
3761 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3762 val |= MVPP2_RXQ_DISABLE_MASK;
3763 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3767 /* Enable transmit via physical egress queue
3768 * - HW starts take descriptors from DRAM
3770 static void mvpp2_egress_enable(struct mvpp2_port *port)
3774 int tx_port_num = mvpp2_egress_port(port);
3776 /* Enable all initialized TXs. */
3778 for (queue = 0; queue < txq_number; queue++) {
3779 struct mvpp2_tx_queue *txq = port->txqs[queue];
3781 if (txq->descs != NULL)
3782 qmap |= (1 << queue);
3785 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3786 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3789 /* Disable transmit via physical egress queue
3790 * - HW doesn't take descriptors from DRAM
3792 static void mvpp2_egress_disable(struct mvpp2_port *port)
3796 int tx_port_num = mvpp2_egress_port(port);
3798 /* Issue stop command for active channels only */
3799 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3800 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3801 MVPP2_TXP_SCHED_ENQ_MASK;
3803 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3804 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3806 /* Wait for all Tx activity to terminate. */
3809 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3810 netdev_warn(port->dev,
3811 "Tx stop timed out, status=0x%08x\n",
3818 /* Check port TX Command register that all
3819 * Tx queues are stopped
3821 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3822 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3825 /* Rx descriptors helper methods */
3827 /* Get number of Rx descriptors occupied by received packets */
3829 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3831 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3833 return val & MVPP2_RXQ_OCCUPIED_MASK;
3836 /* Update Rx queue status with the number of occupied and available
3837 * Rx descriptor slots.
3840 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3841 int used_count, int free_count)
3843 /* Decrement the number of used descriptors and increment count
3844 * increment the number of free descriptors.
3846 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3848 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3851 /* Get pointer to next RX descriptor to be processed by SW */
3852 static inline struct mvpp2_rx_desc *
3853 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3855 int rx_desc = rxq->next_desc_to_proc;
3857 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3858 prefetch(rxq->descs + rxq->next_desc_to_proc);
3859 return rxq->descs + rx_desc;
3862 /* Set rx queue offset */
3863 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3864 int prxq, int offset)
3868 /* Convert offset from bytes to units of 32 bytes */
3869 offset = offset >> 5;
3871 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3872 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3875 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3876 MVPP2_RXQ_PACKET_OFFSET_MASK);
3878 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3881 /* Obtain BM cookie information from descriptor */
3882 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3883 struct mvpp2_rx_desc *rx_desc)
3885 int cpu = smp_processor_id();
3888 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3889 MVPP2_RXD_BM_POOL_ID_MASK) >>
3890 MVPP2_RXD_BM_POOL_ID_OFFS;
3892 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3893 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3896 /* Tx descriptors helper methods */
3898 /* Get number of Tx descriptors waiting to be transmitted by HW */
3899 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3900 struct mvpp2_tx_queue *txq)
3904 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3905 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3907 return val & MVPP2_TXQ_PENDING_MASK;
3910 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3911 static struct mvpp2_tx_desc *
3912 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3914 int tx_desc = txq->next_desc_to_proc;
3916 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3917 return txq->descs + tx_desc;
3920 /* Update HW with number of aggregated Tx descriptors to be sent */
3921 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3923 /* aggregated access - relevant TXQ number is written in TX desc */
3924 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3927 /* Get number of sent descriptors and decrement counter.
3928 * The number of sent descriptors is returned.
3931 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
3932 struct mvpp2_tx_queue *txq)
3936 /* Reading status reg resets transmitted descriptor counter */
3937 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
3939 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
3940 MVPP2_TRANSMITTED_COUNT_OFFSET;
3943 static void mvpp2_txq_sent_counter_clear(void *arg)
3945 struct mvpp2_port *port = arg;
3948 for (queue = 0; queue < txq_number; queue++) {
3949 int id = port->txqs[queue]->id;
3951 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
3955 /* Set max sizes for Tx queues */
3956 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
3959 int txq, tx_port_num;
3961 mtu = port->pkt_size * 8;
3962 if (mtu > MVPP2_TXP_MTU_MAX)
3963 mtu = MVPP2_TXP_MTU_MAX;
3965 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
3968 /* Indirect access to registers */
3969 tx_port_num = mvpp2_egress_port(port);
3970 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3973 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
3974 val &= ~MVPP2_TXP_MTU_MAX;
3976 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
3978 /* TXP token size and all TXQs token size must be larger that MTU */
3979 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
3980 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
3983 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
3985 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3988 for (txq = 0; txq < txq_number; txq++) {
3989 val = mvpp2_read(port->priv,
3990 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
3991 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
3995 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
3997 mvpp2_write(port->priv,
3998 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4004 /* Free Tx queue skbuffs */
4005 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4006 struct mvpp2_tx_queue *txq,
4007 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4011 for (i = 0; i < num; i++)
4012 mvpp2_txq_inc_get(txq_pcpu);
4015 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4018 int queue = fls(cause) - 1;
4020 return port->rxqs[queue];
4023 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4026 int queue = fls(cause) - 1;
4028 return port->txqs[queue];
4031 /* Rx/Tx queue initialization/cleanup methods */
4033 /* Allocate and initialize descriptors for aggr TXQ */
4034 static int mvpp2_aggr_txq_init(struct udevice *dev,
4035 struct mvpp2_tx_queue *aggr_txq,
4036 int desc_num, int cpu,
4041 /* Allocate memory for TX descriptors */
4042 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4043 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4044 if (!aggr_txq->descs)
4047 /* Make sure descriptor address is cache line size aligned */
4048 BUG_ON(aggr_txq->descs !=
4049 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4051 aggr_txq->last_desc = aggr_txq->size - 1;
4053 /* Aggr TXQ no reset WA */
4054 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4055 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4057 /* Set Tx descriptors queue starting address indirect
4060 if (priv->hw_version == MVPP21)
4061 txq_dma = aggr_txq->descs_dma;
4063 txq_dma = aggr_txq->descs_dma >>
4064 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4066 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4067 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4072 /* Create a specified Rx queue */
4073 static int mvpp2_rxq_init(struct mvpp2_port *port,
4074 struct mvpp2_rx_queue *rxq)
4079 rxq->size = port->rx_ring_size;
4081 /* Allocate memory for RX descriptors */
4082 rxq->descs = buffer_loc.rx_descs;
4083 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4087 BUG_ON(rxq->descs !=
4088 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4090 rxq->last_desc = rxq->size - 1;
4092 /* Zero occupied and non-occupied counters - direct access */
4093 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4095 /* Set Rx descriptors queue starting address - indirect access */
4096 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4097 if (port->priv->hw_version == MVPP21)
4098 rxq_dma = rxq->descs_dma;
4100 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4101 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4102 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4103 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4106 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4108 /* Add number of descriptors ready for receiving packets */
4109 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4114 /* Push packets received by the RXQ to BM pool */
4115 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4116 struct mvpp2_rx_queue *rxq)
4120 rx_received = mvpp2_rxq_received(port, rxq->id);
4124 for (i = 0; i < rx_received; i++) {
4125 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4126 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4128 mvpp2_pool_refill(port, bm,
4129 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4130 mvpp2_rxdesc_cookie_get(port, rx_desc));
4132 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4135 /* Cleanup Rx queue */
4136 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4137 struct mvpp2_rx_queue *rxq)
4139 mvpp2_rxq_drop_pkts(port, rxq);
4143 rxq->next_desc_to_proc = 0;
4146 /* Clear Rx descriptors queue starting address and size;
4147 * free descriptor number
4149 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4150 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4151 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4152 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4155 /* Create and initialize a Tx queue */
4156 static int mvpp2_txq_init(struct mvpp2_port *port,
4157 struct mvpp2_tx_queue *txq)
4160 int cpu, desc, desc_per_txq, tx_port_num;
4161 struct mvpp2_txq_pcpu *txq_pcpu;
4163 txq->size = port->tx_ring_size;
4165 /* Allocate memory for Tx descriptors */
4166 txq->descs = buffer_loc.tx_descs;
4167 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4171 /* Make sure descriptor address is cache line size aligned */
4172 BUG_ON(txq->descs !=
4173 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4175 txq->last_desc = txq->size - 1;
4177 /* Set Tx descriptors queue starting address - indirect access */
4178 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4179 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4180 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4181 MVPP2_TXQ_DESC_SIZE_MASK);
4182 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4183 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4184 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4185 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4186 val &= ~MVPP2_TXQ_PENDING_MASK;
4187 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4189 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4190 * for each existing TXQ.
4191 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4192 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4195 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4196 (txq->log_id * desc_per_txq);
4198 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4199 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4200 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4202 /* WRR / EJP configuration - indirect access */
4203 tx_port_num = mvpp2_egress_port(port);
4204 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4206 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4207 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4208 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4209 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4210 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4212 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4213 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4216 for_each_present_cpu(cpu) {
4217 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4218 txq_pcpu->size = txq->size;
4224 /* Free allocated TXQ resources */
4225 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4226 struct mvpp2_tx_queue *txq)
4230 txq->next_desc_to_proc = 0;
4233 /* Set minimum bandwidth for disabled TXQs */
4234 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4236 /* Set Tx descriptors queue starting address and size */
4237 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4238 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4239 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4242 /* Cleanup Tx ports */
4243 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4245 struct mvpp2_txq_pcpu *txq_pcpu;
4246 int delay, pending, cpu;
4249 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4250 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4251 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4252 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4254 /* The napi queue has been stopped so wait for all packets
4255 * to be transmitted.
4259 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4260 netdev_warn(port->dev,
4261 "port %d: cleaning queue %d timed out\n",
4262 port->id, txq->log_id);
4268 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4271 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4272 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4274 for_each_present_cpu(cpu) {
4275 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4277 /* Release all packets */
4278 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4281 txq_pcpu->count = 0;
4282 txq_pcpu->txq_put_index = 0;
4283 txq_pcpu->txq_get_index = 0;
4287 /* Cleanup all Tx queues */
4288 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4290 struct mvpp2_tx_queue *txq;
4294 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4296 /* Reset Tx ports and delete Tx queues */
4297 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4298 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4300 for (queue = 0; queue < txq_number; queue++) {
4301 txq = port->txqs[queue];
4302 mvpp2_txq_clean(port, txq);
4303 mvpp2_txq_deinit(port, txq);
4306 mvpp2_txq_sent_counter_clear(port);
4308 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4309 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4312 /* Cleanup all Rx queues */
4313 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4317 for (queue = 0; queue < rxq_number; queue++)
4318 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4321 /* Init all Rx queues for port */
4322 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4326 for (queue = 0; queue < rxq_number; queue++) {
4327 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4334 mvpp2_cleanup_rxqs(port);
4338 /* Init all tx queues for port */
4339 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4341 struct mvpp2_tx_queue *txq;
4344 for (queue = 0; queue < txq_number; queue++) {
4345 txq = port->txqs[queue];
4346 err = mvpp2_txq_init(port, txq);
4351 mvpp2_txq_sent_counter_clear(port);
4355 mvpp2_cleanup_txqs(port);
4360 static void mvpp2_link_event(struct mvpp2_port *port)
4362 struct phy_device *phydev = port->phy_dev;
4363 int status_change = 0;
4367 if ((port->speed != phydev->speed) ||
4368 (port->duplex != phydev->duplex)) {
4371 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4372 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4373 MVPP2_GMAC_CONFIG_GMII_SPEED |
4374 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4375 MVPP2_GMAC_AN_SPEED_EN |
4376 MVPP2_GMAC_AN_DUPLEX_EN);
4379 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4381 if (phydev->speed == SPEED_1000)
4382 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4383 else if (phydev->speed == SPEED_100)
4384 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4386 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4388 port->duplex = phydev->duplex;
4389 port->speed = phydev->speed;
4393 if (phydev->link != port->link) {
4394 if (!phydev->link) {
4399 port->link = phydev->link;
4403 if (status_change) {
4405 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4406 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4407 MVPP2_GMAC_FORCE_LINK_DOWN);
4408 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4409 mvpp2_egress_enable(port);
4410 mvpp2_ingress_enable(port);
4412 mvpp2_ingress_disable(port);
4413 mvpp2_egress_disable(port);
4418 /* Main RX/TX processing routines */
4420 /* Display more error info */
4421 static void mvpp2_rx_error(struct mvpp2_port *port,
4422 struct mvpp2_rx_desc *rx_desc)
4424 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4425 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4427 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4428 case MVPP2_RXD_ERR_CRC:
4429 netdev_err(port->dev, "bad rx status %08x (crc error), size=%zu\n",
4432 case MVPP2_RXD_ERR_OVERRUN:
4433 netdev_err(port->dev, "bad rx status %08x (overrun error), size=%zu\n",
4436 case MVPP2_RXD_ERR_RESOURCE:
4437 netdev_err(port->dev, "bad rx status %08x (resource error), size=%zu\n",
4443 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4444 static int mvpp2_rx_refill(struct mvpp2_port *port,
4445 struct mvpp2_bm_pool *bm_pool,
4446 u32 bm, dma_addr_t dma_addr)
4448 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4452 /* Set hw internals when starting port */
4453 static void mvpp2_start_dev(struct mvpp2_port *port)
4455 switch (port->phy_interface) {
4456 case PHY_INTERFACE_MODE_RGMII:
4457 case PHY_INTERFACE_MODE_RGMII_ID:
4458 case PHY_INTERFACE_MODE_SGMII:
4459 mvpp2_gmac_max_rx_size_set(port);
4464 mvpp2_txp_max_tx_size_set(port);
4466 if (port->priv->hw_version == MVPP21)
4467 mvpp2_port_enable(port);
4469 gop_port_enable(port, 1);
4472 /* Set hw internals when stopping port */
4473 static void mvpp2_stop_dev(struct mvpp2_port *port)
4475 /* Stop new packets from arriving to RXQs */
4476 mvpp2_ingress_disable(port);
4478 mvpp2_egress_disable(port);
4480 if (port->priv->hw_version == MVPP21)
4481 mvpp2_port_disable(port);
4483 gop_port_enable(port, 0);
4486 static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4488 struct phy_device *phy_dev;
4490 if (!port->init || port->link == 0) {
4491 phy_dev = dm_mdio_phy_connect(port->mdio_dev, port->phyaddr,
4492 dev, port->phy_interface);
4495 * If the phy doesn't match with any existing u-boot drivers the
4496 * phy framework will connect it to generic one which
4497 * uid == 0xffffffff. In this case act as if the phy wouldn't be
4498 * declared in dts. Otherwise in case of 3310 (for which the
4499 * driver doesn't exist) the link will not be correctly
4500 * detected. Removing phy entry from dts in case of 3310 is not
4501 * an option because it is required for the phy_fw_down
4505 phy_dev->drv->uid == 0xffffffff) {/* Generic phy */
4506 netdev_warn(port->dev,
4507 "Marking phy as invalid, link will not be checked\n");
4508 /* set phy_addr to invalid value */
4509 port->phyaddr = PHY_MAX_ADDR;
4510 mvpp2_egress_enable(port);
4511 mvpp2_ingress_enable(port);
4516 port->phy_dev = phy_dev;
4518 netdev_err(port->dev, "cannot connect to phy\n");
4521 phy_dev->supported &= PHY_GBIT_FEATURES;
4522 phy_dev->advertising = phy_dev->supported;
4524 port->phy_dev = phy_dev;
4529 phy_config(phy_dev);
4530 phy_startup(phy_dev);
4532 printf("%s: No link\n", phy_dev->dev->name);
4536 mvpp2_egress_enable(port);
4537 mvpp2_ingress_enable(port);
4541 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4543 unsigned char mac_bcast[ETH_ALEN] = {
4544 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4547 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4549 netdev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4552 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4553 port->dev_addr, true);
4555 netdev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4558 err = mvpp2_prs_def_flow(port);
4560 netdev_err(dev, "mvpp2_prs_def_flow failed\n");
4564 /* Allocate the Rx/Tx queues */
4565 err = mvpp2_setup_rxqs(port);
4567 netdev_err(port->dev, "cannot allocate Rx queues\n");
4571 err = mvpp2_setup_txqs(port);
4573 netdev_err(port->dev, "cannot allocate Tx queues\n");
4577 if (port->phyaddr < PHY_MAX_ADDR) {
4578 mvpp2_phy_connect(dev, port);
4579 mvpp2_link_event(port);
4581 mvpp2_egress_enable(port);
4582 mvpp2_ingress_enable(port);
4585 mvpp2_start_dev(port);
4590 /* No Device ops here in U-Boot */
4592 /* Driver initialization */
4594 static void mvpp2_port_power_up(struct mvpp2_port *port)
4596 struct mvpp2 *priv = port->priv;
4598 /* On PPv2.2 the GoP / interface configuration has already been done */
4599 if (priv->hw_version == MVPP21)
4600 mvpp2_port_mii_set(port);
4601 mvpp2_port_periodic_xon_disable(port);
4602 if (priv->hw_version == MVPP21)
4603 mvpp2_port_fc_adv_enable(port);
4604 mvpp2_port_reset(port);
4607 /* Initialize port HW */
4608 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4610 struct mvpp2 *priv = port->priv;
4611 struct mvpp2_txq_pcpu *txq_pcpu;
4612 int queue, cpu, err;
4614 if (port->first_rxq + rxq_number >
4615 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4619 mvpp2_egress_disable(port);
4620 if (priv->hw_version == MVPP21)
4621 mvpp2_port_disable(port);
4623 gop_port_enable(port, 0);
4625 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4630 /* Associate physical Tx queues to this port and initialize.
4631 * The mapping is predefined.
4633 for (queue = 0; queue < txq_number; queue++) {
4634 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4635 struct mvpp2_tx_queue *txq;
4637 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4641 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4646 txq->id = queue_phy_id;
4647 txq->log_id = queue;
4648 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4649 for_each_present_cpu(cpu) {
4650 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4651 txq_pcpu->cpu = cpu;
4654 port->txqs[queue] = txq;
4657 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4662 /* Allocate and initialize Rx queue for this port */
4663 for (queue = 0; queue < rxq_number; queue++) {
4664 struct mvpp2_rx_queue *rxq;
4666 /* Map physical Rx queue to port's logical Rx queue */
4667 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4670 /* Map this Rx queue to a physical queue */
4671 rxq->id = port->first_rxq + queue;
4672 rxq->port = port->id;
4673 rxq->logic_rxq = queue;
4675 port->rxqs[queue] = rxq;
4679 /* Create Rx descriptor rings */
4680 for (queue = 0; queue < rxq_number; queue++) {
4681 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4683 rxq->size = port->rx_ring_size;
4684 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4685 rxq->time_coal = MVPP2_RX_COAL_USEC;
4688 mvpp2_ingress_disable(port);
4690 /* Port default configuration */
4691 mvpp2_defaults_set(port);
4693 /* Port's classifier configuration */
4694 mvpp2_cls_oversize_rxq_set(port);
4695 mvpp2_cls_port_config(port);
4697 /* Provide an initial Rx packet size */
4698 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4700 /* Initialize pools for swf */
4701 err = mvpp2_swf_bm_pool_init(port);
4708 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4710 int port_node = dev_of_offset(dev);
4711 const char *phy_mode_str;
4718 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4722 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
4724 dev_err(&pdev->dev, "could not find phy address\n");
4727 parent = fdt_parent_offset(gd->fdt_blob, phy_node);
4728 ret = uclass_get_device_by_of_offset(UCLASS_MDIO, parent,
4733 /* phy_addr is set to invalid value */
4734 phyaddr = PHY_MAX_ADDR;
4737 phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
4739 phy_mode = phy_get_interface_by_name(phy_mode_str);
4740 if (phy_mode == -1) {
4741 dev_err(&pdev->dev, "incorrect phy mode\n");
4745 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4747 dev_err(&pdev->dev, "missing port-id value\n");
4751 #if CONFIG_IS_ENABLED(DM_GPIO)
4752 gpio_request_by_name(dev, "phy-reset-gpios", 0,
4753 &port->phy_reset_gpio, GPIOD_IS_OUT);
4754 gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
4755 &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
4760 * Not sure if this DT property "phy-speed" will get accepted, so
4761 * this might change later
4763 /* Get phy-speed for SGMII 2.5Gbps vs 1Gbps setup */
4764 port->phy_speed = fdtdec_get_int(gd->fdt_blob, port_node,
4768 if (port->priv->hw_version == MVPP21)
4769 port->first_rxq = port->id * rxq_number;
4771 port->first_rxq = port->id * port->priv->max_port_rxqs;
4772 port->phy_interface = phy_mode;
4773 port->phyaddr = phyaddr;
4778 #if CONFIG_IS_ENABLED(DM_GPIO)
4779 /* Port GPIO initialization */
4780 static void mvpp2_gpio_init(struct mvpp2_port *port)
4782 if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
4783 dm_gpio_set_value(&port->phy_reset_gpio, 1);
4785 dm_gpio_set_value(&port->phy_reset_gpio, 0);
4788 if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
4789 dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
4793 /* Ports initialization */
4794 static int mvpp2_port_probe(struct udevice *dev,
4795 struct mvpp2_port *port,
4801 port->tx_ring_size = MVPP2_MAX_TXD;
4802 port->rx_ring_size = MVPP2_MAX_RXD;
4804 err = mvpp2_port_init(dev, port);
4806 dev_err(&pdev->dev, "failed to init port %d\n", port->id);
4809 mvpp2_port_power_up(port);
4811 #if CONFIG_IS_ENABLED(DM_GPIO)
4812 mvpp2_gpio_init(port);
4815 priv->port_list[port->id] = port;
4820 /* Initialize decoding windows */
4821 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4827 for (i = 0; i < 6; i++) {
4828 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4829 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4832 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4837 for (i = 0; i < dram->num_cs; i++) {
4838 const struct mbus_dram_window *cs = dram->cs + i;
4840 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4841 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4842 dram->mbus_dram_target_id);
4844 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4845 (cs->size - 1) & 0xffff0000);
4847 win_enable |= (1 << i);
4850 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4853 /* Initialize Rx FIFO's */
4854 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4858 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4859 if (priv->hw_version == MVPP22) {
4862 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4863 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4865 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4866 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4867 } else if (port == 1) {
4869 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4870 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4872 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4873 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4876 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4877 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4879 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4880 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4883 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4884 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4885 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4886 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4890 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4891 MVPP2_RX_FIFO_PORT_MIN_PKT);
4892 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4895 /* Initialize Tx FIFO's */
4896 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4900 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4901 /* Port 0 supports 10KB TX FIFO */
4903 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4904 MVPP22_TX_FIFO_SIZE_MASK;
4906 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4907 MVPP22_TX_FIFO_SIZE_MASK;
4909 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4913 static void mvpp2_axi_init(struct mvpp2 *priv)
4915 u32 val, rdval, wrval;
4917 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4919 /* AXI Bridge Configuration */
4921 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
4922 << MVPP22_AXI_ATTR_CACHE_OFFS;
4923 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4924 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4926 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
4927 << MVPP22_AXI_ATTR_CACHE_OFFS;
4928 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4929 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4932 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
4933 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
4936 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
4937 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
4938 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
4939 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
4942 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
4943 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
4945 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
4946 << MVPP22_AXI_CODE_CACHE_OFFS;
4947 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
4948 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4949 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
4950 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
4952 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
4953 << MVPP22_AXI_CODE_CACHE_OFFS;
4954 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4955 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4957 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
4959 val = MVPP22_AXI_CODE_CACHE_WR_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_WR_SNOOP_CODE_REG, val);
4967 /* Initialize network controller common part HW */
4968 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
4970 const struct mbus_dram_target_info *dram_target_info;
4974 /* Checks for hardware constraints (U-Boot uses only one rxq) */
4975 if ((rxq_number > priv->max_port_rxqs) ||
4976 (txq_number > MVPP2_MAX_TXQ)) {
4977 dev_err(&pdev->dev, "invalid queue size parameter\n");
4981 if (priv->hw_version == MVPP22)
4982 mvpp2_axi_init(priv);
4984 /* MBUS windows configuration */
4985 dram_target_info = mvebu_mbus_dram_info();
4986 if (dram_target_info)
4987 mvpp2_conf_mbus_windows(dram_target_info, priv);
4990 if (priv->hw_version == MVPP21) {
4991 /* Disable HW PHY polling */
4992 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4993 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
4994 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4996 /* Enable HW PHY polling */
4997 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
4998 val |= MVPP22_SMI_POLLING_EN;
4999 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5002 /* Allocate and initialize aggregated TXQs */
5003 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
5004 sizeof(struct mvpp2_tx_queue),
5006 if (!priv->aggr_txqs)
5009 for_each_present_cpu(i) {
5010 priv->aggr_txqs[i].id = i;
5011 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
5012 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
5013 MVPP2_AGGR_TXQ_SIZE, i, priv);
5019 mvpp2_rx_fifo_init(priv);
5022 if (priv->hw_version == MVPP22)
5023 mvpp2_tx_fifo_init(priv);
5025 if (priv->hw_version == MVPP21)
5026 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5027 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5029 /* Allow cache snoop when transmiting packets */
5030 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5032 /* Buffer Manager initialization */
5033 err = mvpp2_bm_init(dev, priv);
5037 /* Parser default initialization */
5038 err = mvpp2_prs_default_init(dev, priv);
5042 /* Classifier default initialization */
5043 mvpp2_cls_init(priv);
5048 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5050 struct mvpp2_port *port = dev_get_priv(dev);
5051 struct mvpp2_rx_desc *rx_desc;
5052 struct mvpp2_bm_pool *bm_pool;
5053 dma_addr_t dma_addr;
5055 int pool, rx_bytes, err;
5057 struct mvpp2_rx_queue *rxq;
5060 if (port->phyaddr < PHY_MAX_ADDR)
5061 if (!port->phy_dev->link)
5064 /* Process RX packets */
5065 rxq = port->rxqs[0];
5067 /* Get number of received packets and clamp the to-do */
5068 rx_received = mvpp2_rxq_received(port, rxq->id);
5070 /* Return if no packets are received */
5074 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5075 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5076 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5077 rx_bytes -= MVPP2_MH_SIZE;
5078 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5080 bm = mvpp2_bm_cookie_build(port, rx_desc);
5081 pool = mvpp2_bm_cookie_pool_get(bm);
5082 bm_pool = &port->priv->bm_pools[pool];
5084 /* In case of an error, release the requested buffer pointer
5085 * to the Buffer Manager. This request process is controlled
5086 * by the hardware, and the information about the buffer is
5087 * comprised by the RX descriptor.
5089 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5090 mvpp2_rx_error(port, rx_desc);
5091 /* Return the buffer to the pool */
5092 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5096 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5098 netdev_err(port->dev, "failed to refill BM pools\n");
5102 /* Update Rx queue management counters */
5104 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5106 /* give packet to stack - skip on first n bytes */
5107 data = (u8 *)dma_addr + 2 + 32;
5113 * No cache invalidation needed here, since the rx_buffer's are
5114 * located in a uncached memory region
5121 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5123 struct mvpp2_port *port = dev_get_priv(dev);
5124 struct mvpp2_tx_queue *txq, *aggr_txq;
5125 struct mvpp2_tx_desc *tx_desc;
5129 if (port->phyaddr < PHY_MAX_ADDR)
5130 if (!port->phy_dev->link)
5133 txq = port->txqs[0];
5134 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5136 /* Get a descriptor for the first part of the packet */
5137 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5138 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5139 mvpp2_txdesc_size_set(port, tx_desc, length);
5140 mvpp2_txdesc_offset_set(port, tx_desc,
5141 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5142 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5143 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5144 /* First and Last descriptor */
5145 mvpp2_txdesc_cmd_set(port, tx_desc,
5146 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5147 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5150 flush_dcache_range((unsigned long)packet,
5151 (unsigned long)packet + ALIGN(length, PKTALIGN));
5153 /* Enable transmit */
5155 mvpp2_aggr_txq_pend_desc_add(port, 1);
5157 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5161 if (timeout++ > 10000) {
5162 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5165 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5170 if (timeout++ > 10000) {
5171 printf("timeout: packet not sent\n");
5174 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5180 static int mvpp2_start(struct udevice *dev)
5182 struct eth_pdata *pdata = dev_get_platdata(dev);
5183 struct mvpp2_port *port = dev_get_priv(dev);
5185 /* Load current MAC address */
5186 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5188 /* Reconfigure parser accept the original MAC address */
5189 mvpp2_prs_update_mac_da(port, port->dev_addr);
5191 switch (port->phy_interface) {
5192 case PHY_INTERFACE_MODE_RGMII:
5193 case PHY_INTERFACE_MODE_RGMII_ID:
5194 case PHY_INTERFACE_MODE_SGMII:
5195 mvpp2_port_power_up(port);
5200 mvpp2_open(dev, port);
5205 static void mvpp2_stop(struct udevice *dev)
5207 struct mvpp2_port *port = dev_get_priv(dev);
5209 mvpp2_stop_dev(port);
5210 mvpp2_cleanup_rxqs(port);
5211 mvpp2_cleanup_txqs(port);
5214 static int mvpp2_write_hwaddr(struct udevice *dev)
5216 struct mvpp2_port *port = dev_get_priv(dev);
5218 return mvpp2_prs_update_mac_da(port, port->dev_addr);
5221 static int mvpp22_smi_phy_addr_cfg(struct mvpp2_port *port)
5223 writel(port->phyaddr, port->priv->iface_base +
5224 MVPP22_SMI_PHY_ADDR_REG(port->gop_id));
5229 static int mvpp2_base_probe(struct udevice *dev)
5231 struct mvpp2 *priv = dev_get_priv(dev);
5236 /* Save hw-version */
5237 priv->hw_version = dev_get_driver_data(dev);
5240 * U-Boot special buffer handling:
5242 * Allocate buffer area for descs and rx_buffers. This is only
5243 * done once for all interfaces. As only one interface can
5244 * be active. Make this area DMA-safe by disabling the D-cache
5247 /* Align buffer area for descs and rx_buffers to 1MiB */
5248 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5249 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5250 BD_SPACE, DCACHE_OFF);
5252 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5253 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5255 buffer_loc.tx_descs =
5256 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5257 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5259 buffer_loc.rx_descs =
5260 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5261 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5263 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5264 buffer_loc.bm_pool[i] =
5265 (unsigned long *)((unsigned long)bd_space + size);
5266 if (priv->hw_version == MVPP21)
5267 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5269 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5272 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5273 buffer_loc.rx_buffer[i] =
5274 (unsigned long *)((unsigned long)bd_space + size);
5275 size += RX_BUFFER_SIZE;
5278 /* Clear the complete area so that all descriptors are cleared */
5279 memset(bd_space, 0, size);
5281 /* Save base addresses for later use */
5282 priv->base = (void *)devfdt_get_addr_index(dev, 0);
5283 if (IS_ERR(priv->base))
5284 return PTR_ERR(priv->base);
5286 if (priv->hw_version == MVPP21) {
5287 priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
5288 if (IS_ERR(priv->lms_base))
5289 return PTR_ERR(priv->lms_base);
5291 priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
5292 if (IS_ERR(priv->iface_base))
5293 return PTR_ERR(priv->iface_base);
5295 /* Store common base addresses for all ports */
5296 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5297 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5298 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5301 if (priv->hw_version == MVPP21)
5302 priv->max_port_rxqs = 8;
5304 priv->max_port_rxqs = 32;
5309 static int mvpp2_probe(struct udevice *dev)
5311 struct mvpp2_port *port = dev_get_priv(dev);
5312 struct mvpp2 *priv = dev_get_priv(dev->parent);
5315 /* Only call the probe function for the parent once */
5316 if (!priv->probe_done)
5317 err = mvpp2_base_probe(dev->parent);
5321 err = phy_info_parse(dev, port);
5326 * We need the port specific io base addresses at this stage, since
5327 * gop_port_init() accesses these registers
5329 if (priv->hw_version == MVPP21) {
5330 int priv_common_regs_num = 2;
5332 port->base = (void __iomem *)devfdt_get_addr_index(
5333 dev->parent, priv_common_regs_num + port->id);
5334 if (IS_ERR(port->base))
5335 return PTR_ERR(port->base);
5337 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5339 if (port->id == -1) {
5340 dev_err(&pdev->dev, "missing gop-port-id value\n");
5344 port->base = priv->iface_base + MVPP22_PORT_BASE +
5345 port->gop_id * MVPP22_PORT_OFFSET;
5347 /* Set phy address of the port */
5348 if (port->phyaddr < PHY_MAX_ADDR)
5349 mvpp22_smi_phy_addr_cfg(port);
5352 gop_port_init(port);
5355 if (!priv->probe_done) {
5356 /* Initialize network controller */
5357 err = mvpp2_init(dev, priv);
5359 dev_err(&pdev->dev, "failed to initialize controller\n");
5362 priv->num_ports = 0;
5363 priv->probe_done = 1;
5366 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5370 if (priv->hw_version == MVPP22) {
5371 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5372 port->phy_interface);
5374 /* Netcomplex configurations for all ports */
5375 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5376 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5383 * Empty BM pool and stop its activity before the OS is started
5385 static int mvpp2_remove(struct udevice *dev)
5387 struct mvpp2_port *port = dev_get_priv(dev);
5388 struct mvpp2 *priv = port->priv;
5393 if (priv->num_ports)
5396 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
5397 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
5402 static const struct eth_ops mvpp2_ops = {
5403 .start = mvpp2_start,
5407 .write_hwaddr = mvpp2_write_hwaddr
5410 static struct driver mvpp2_driver = {
5413 .probe = mvpp2_probe,
5414 .remove = mvpp2_remove,
5416 .priv_auto_alloc_size = sizeof(struct mvpp2_port),
5417 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
5418 .flags = DM_FLAG_ACTIVE_DMA,
5422 * Use a MISC device to bind the n instances (child nodes) of the
5423 * network base controller in UCLASS_ETH.
5425 static int mvpp2_base_bind(struct udevice *parent)
5427 const void *blob = gd->fdt_blob;
5428 int node = dev_of_offset(parent);
5429 struct uclass_driver *drv;
5430 struct udevice *dev;
5431 struct eth_pdata *plat;
5437 /* Lookup eth driver */
5438 drv = lists_uclass_lookup(UCLASS_ETH);
5440 puts("Cannot find eth driver\n");
5444 base_id_add = base_id;
5446 fdt_for_each_subnode(subnode, blob, node) {
5447 /* Increment base_id for all subnodes, also the disabled ones */
5450 /* Skip disabled ports */
5451 if (!fdtdec_get_is_enabled(blob, subnode))
5454 plat = calloc(1, sizeof(*plat));
5458 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5461 name = calloc(1, 16);
5466 sprintf(name, "mvpp2-%d", id);
5468 /* Create child device UCLASS_ETH and bind it */
5469 device_bind(parent, &mvpp2_driver, name, plat, subnode, &dev);
5470 dev_set_of_offset(dev, subnode);
5476 static const struct udevice_id mvpp2_ids[] = {
5478 .compatible = "marvell,armada-375-pp2",
5482 .compatible = "marvell,armada-7k-pp22",
5488 U_BOOT_DRIVER(mvpp2_base) = {
5489 .name = "mvpp2_base",
5491 .of_match = mvpp2_ids,
5492 .bind = mvpp2_base_bind,
5493 .priv_auto_alloc_size = sizeof(struct mvpp2),