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.
18 #include <dm/device-internal.h>
25 #include <linux/errno.h>
29 #include <asm/arch/cpu.h>
30 #include <asm/arch/soc.h>
31 #include <linux/compat.h>
32 #include <linux/mbus.h>
33 #include <asm-generic/gpio.h>
34 #include <fdt_support.h>
36 DECLARE_GLOBAL_DATA_PTR;
38 #define ETH_ALEN 6 /* Octets in one ethernet addr */
40 #define __verify_pcpu_ptr(ptr) \
42 const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
46 #define VERIFY_PERCPU_PTR(__p) \
48 __verify_pcpu_ptr(__p); \
49 (typeof(*(__p)) __kernel __force *)(__p); \
52 #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
53 #define smp_processor_id() 0
54 #define num_present_cpus() 1
55 #define for_each_present_cpu(cpu) \
56 for ((cpu) = 0; (cpu) < 1; (cpu)++)
58 #define NET_SKB_PAD max(32, MVPP2_CPU_D_CACHE_LINE_SIZE)
60 #define CONFIG_NR_CPUS 1
61 #define ETH_HLEN ETHER_HDR_SIZE /* Total octets in header */
63 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
64 #define WRAP (2 + ETH_HLEN + 4 + 32)
66 #define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
68 #define MVPP2_SMI_TIMEOUT 10000
70 /* RX Fifo Registers */
71 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
72 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
73 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
74 #define MVPP2_RX_FIFO_INIT_REG 0x64
76 /* RX DMA Top Registers */
77 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
78 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
79 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
80 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
81 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
82 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
83 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
84 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
85 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
86 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
87 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
88 #define MVPP2_RXQ_POOL_LONG_OFFS 24
89 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
90 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
91 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
92 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
93 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
95 /* Parser Registers */
96 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
97 #define MVPP2_PRS_PORT_LU_MAX 0xf
98 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
99 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
100 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
101 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
102 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
103 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
104 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
105 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
106 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
107 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
108 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
109 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
110 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
111 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
112 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
114 /* Classifier Registers */
115 #define MVPP2_CLS_MODE_REG 0x1800
116 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
117 #define MVPP2_CLS_PORT_WAY_REG 0x1810
118 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
119 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
120 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
121 #define MVPP2_CLS_LKP_TBL_REG 0x1818
122 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
123 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
124 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
125 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
126 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
127 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
128 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
129 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
130 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
131 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
132 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
133 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
135 /* Descriptor Manager Top Registers */
136 #define MVPP2_RXQ_NUM_REG 0x2040
137 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
138 #define MVPP22_DESC_ADDR_OFFS 8
139 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
140 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
141 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
142 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
143 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
144 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
145 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
146 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
147 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
148 #define MVPP2_RXQ_THRESH_REG 0x204c
149 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
150 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
151 #define MVPP2_RXQ_INDEX_REG 0x2050
152 #define MVPP2_TXQ_NUM_REG 0x2080
153 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
154 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
155 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
156 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
157 #define MVPP2_TXQ_THRESH_REG 0x2094
158 #define MVPP2_TRANSMITTED_THRESH_OFFSET 16
159 #define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
160 #define MVPP2_TXQ_INDEX_REG 0x2098
161 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
162 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
163 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
164 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
165 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
166 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
167 #define MVPP2_TXQ_PENDING_REG 0x20a0
168 #define MVPP2_TXQ_PENDING_MASK 0x3fff
169 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
170 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
171 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
172 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
173 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
174 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
175 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
176 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
177 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
178 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
179 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
180 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
181 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
182 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
183 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
184 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
185 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
187 /* MBUS bridge registers */
188 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
189 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
190 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
191 #define MVPP2_BASE_ADDR_ENABLE 0x4060
193 /* AXI Bridge Registers */
194 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
195 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
196 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
197 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
198 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
199 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
200 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
201 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
202 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
203 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
204 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
205 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
207 /* Values for AXI Bridge registers */
208 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
209 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
211 #define MVPP22_AXI_CODE_CACHE_OFFS 0
212 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
214 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
215 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
216 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
218 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
219 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
221 /* Interrupt Cause and Mask registers */
222 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
223 #define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
225 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
226 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
227 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
228 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
230 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
231 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
233 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
234 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
235 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
236 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
238 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
239 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
240 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
241 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
242 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
243 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
244 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
245 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
246 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
247 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
248 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
249 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
250 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
251 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
252 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
253 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
254 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
255 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
257 /* Buffer Manager registers */
258 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
259 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
260 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
261 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
262 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
263 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
264 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
265 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
266 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
267 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
268 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
269 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
270 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
271 #define MVPP2_BM_START_MASK BIT(0)
272 #define MVPP2_BM_STOP_MASK BIT(1)
273 #define MVPP2_BM_STATE_MASK BIT(4)
274 #define MVPP2_BM_LOW_THRESH_OFFS 8
275 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
276 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
277 MVPP2_BM_LOW_THRESH_OFFS)
278 #define MVPP2_BM_HIGH_THRESH_OFFS 16
279 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
280 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
281 MVPP2_BM_HIGH_THRESH_OFFS)
282 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
283 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
284 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
285 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
286 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
287 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
288 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
289 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
290 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
291 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
292 #define MVPP2_BM_ADDR_HIGH_ALLOC 0x6444
293 #define MVPP2_BM_ADDR_HIGH_PHYS_MASK 0xff
294 #define MVPP2_BM_ADDR_HIGH_VIRT_MASK 0xff00
295 #define MVPP2_BM_ADDR_HIGH_VIRT_SHIFT 8
296 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
297 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
298 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
299 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
300 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
301 #define MVPP21_BM_MC_RLS_REG 0x64c4
302 #define MVPP2_BM_MC_ID_MASK 0xfff
303 #define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
304 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
305 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
306 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
307 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
308 #define MVPP22_BM_MC_RLS_REG 0x64d4
309 #define MVPP22_BM_POOL_BASE_HIGH_REG 0x6310
310 #define MVPP22_BM_POOL_BASE_HIGH_MASK 0xff
312 /* TX Scheduler registers */
313 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
314 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
315 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
316 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
317 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
318 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
319 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
320 #define MVPP2_TXP_MTU_MAX 0x7FFFF
321 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
322 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
323 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
324 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
325 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
326 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
327 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
328 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
329 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
330 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
331 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
332 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
333 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
334 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
336 /* TX general registers */
337 #define MVPP2_TX_SNOOP_REG 0x8800
338 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
339 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
342 #define MVPP2_SRC_ADDR_MIDDLE 0x24
343 #define MVPP2_SRC_ADDR_HIGH 0x28
344 #define MVPP2_PHY_AN_CFG0_REG 0x34
345 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
346 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
347 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
349 /* Per-port registers */
350 #define MVPP2_GMAC_CTRL_0_REG 0x0
351 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
352 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
353 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
354 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
355 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
356 #define MVPP2_GMAC_CTRL_1_REG 0x4
357 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
358 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
359 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
360 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
361 #define MVPP2_GMAC_SA_LOW_OFFS 7
362 #define MVPP2_GMAC_CTRL_2_REG 0x8
363 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
364 #define MVPP2_GMAC_SGMII_MODE_MASK BIT(0)
365 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
366 #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4)
367 #define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5)
368 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
369 #define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9)
370 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
371 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
372 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
373 #define MVPP2_GMAC_EN_PCS_AN BIT(2)
374 #define MVPP2_GMAC_AN_BYPASS_EN BIT(3)
375 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
376 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
377 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
378 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
379 #define MVPP2_GMAC_EN_FC_AN BIT(11)
380 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
381 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
382 #define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15)
383 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
384 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
385 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
386 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
387 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
388 #define MVPP2_GMAC_CTRL_4_REG 0x90
389 #define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0)
390 #define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5)
391 #define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6)
392 #define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7)
395 * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
396 * relative to port->base.
399 /* Port Mac Control0 */
400 #define MVPP22_XLG_CTRL0_REG 0x100
401 #define MVPP22_XLG_PORT_EN BIT(0)
402 #define MVPP22_XLG_MAC_RESETN BIT(1)
403 #define MVPP22_XLG_RX_FC_EN BIT(7)
404 #define MVPP22_XLG_MIBCNT_DIS BIT(13)
405 /* Port Mac Control1 */
406 #define MVPP22_XLG_CTRL1_REG 0x104
407 #define MVPP22_XLG_MAX_RX_SIZE_OFFS 0
408 #define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff
409 /* Port Interrupt Mask */
410 #define MVPP22_XLG_INTERRUPT_MASK_REG 0x118
411 #define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1)
412 /* Port Mac Control3 */
413 #define MVPP22_XLG_CTRL3_REG 0x11c
414 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
415 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
416 #define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13)
417 /* Port Mac Control4 */
418 #define MVPP22_XLG_CTRL4_REG 0x184
419 #define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5)
420 #define MVPP22_XLG_FORWARD_PFC_EN BIT(6)
421 #define MVPP22_XLG_MODE_DMA_1G BIT(12)
422 #define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14)
426 /* Global Configuration 0 */
427 #define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0
428 #define MVPP22_XPCS_PCSRESET BIT(0)
429 #define MVPP22_XPCS_PCSMODE_OFFS 3
430 #define MVPP22_XPCS_PCSMODE_MASK (0x3 << \
431 MVPP22_XPCS_PCSMODE_OFFS)
432 #define MVPP22_XPCS_LANEACTIVE_OFFS 5
433 #define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \
434 MVPP22_XPCS_LANEACTIVE_OFFS)
438 #define PCS40G_COMMON_CONTROL 0x14
439 #define FORWARD_ERROR_CORRECTION_MASK BIT(10)
441 #define PCS_CLOCK_RESET 0x14c
442 #define TX_SD_CLK_RESET_MASK BIT(0)
443 #define RX_SD_CLK_RESET_MASK BIT(1)
444 #define MAC_CLK_RESET_MASK BIT(2)
445 #define CLK_DIVISION_RATIO_OFFS 4
446 #define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS)
447 #define CLK_DIV_PHASE_SET_MASK BIT(11)
449 /* System Soft Reset 1 */
450 #define GOP_SOFT_RESET_1_REG 0x108
451 #define NETC_GOP_SOFT_RESET_OFFS 6
452 #define NETC_GOP_SOFT_RESET_MASK (0x1 << \
453 NETC_GOP_SOFT_RESET_OFFS)
455 /* Ports Control 0 */
456 #define NETCOMP_PORTS_CONTROL_0_REG 0x110
457 #define NETC_BUS_WIDTH_SELECT_OFFS 1
458 #define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \
459 NETC_BUS_WIDTH_SELECT_OFFS)
460 #define NETC_GIG_RX_DATA_SAMPLE_OFFS 29
461 #define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \
462 NETC_GIG_RX_DATA_SAMPLE_OFFS)
463 #define NETC_CLK_DIV_PHASE_OFFS 31
464 #define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS)
465 /* Ports Control 1 */
466 #define NETCOMP_PORTS_CONTROL_1_REG 0x114
467 #define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p)
468 #define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \
469 NETC_PORTS_ACTIVE_OFFSET(p))
470 #define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p)
471 #define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \
472 NETC_PORT_GIG_RF_RESET_OFFS(p))
473 #define NETCOMP_CONTROL_0_REG 0x120
474 #define NETC_GBE_PORT0_SGMII_MODE_OFFS 0
475 #define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \
476 NETC_GBE_PORT0_SGMII_MODE_OFFS)
477 #define NETC_GBE_PORT1_SGMII_MODE_OFFS 1
478 #define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \
479 NETC_GBE_PORT1_SGMII_MODE_OFFS)
480 #define NETC_GBE_PORT1_MII_MODE_OFFS 2
481 #define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \
482 NETC_GBE_PORT1_MII_MODE_OFFS)
484 #define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04)
485 #define MVPP22_SMI_POLLING_EN BIT(10)
487 #define MVPP22_SMI_PHY_ADDR_REG(port) (MVPP22_SMI + 0x04 + \
490 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
492 /* Descriptor ring Macros */
493 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
494 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
496 /* SMI: 0xc0054 -> offset 0x54 to lms_base */
497 #define MVPP21_SMI 0x0054
498 /* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
499 #define MVPP22_SMI 0x1200
500 #define MVPP2_PHY_REG_MASK 0x1f
501 /* SMI register fields */
502 #define MVPP2_SMI_DATA_OFFS 0 /* Data */
503 #define MVPP2_SMI_DATA_MASK (0xffff << MVPP2_SMI_DATA_OFFS)
504 #define MVPP2_SMI_DEV_ADDR_OFFS 16 /* PHY device address */
505 #define MVPP2_SMI_REG_ADDR_OFFS 21 /* PHY device reg addr*/
506 #define MVPP2_SMI_OPCODE_OFFS 26 /* Write/Read opcode */
507 #define MVPP2_SMI_OPCODE_READ (1 << MVPP2_SMI_OPCODE_OFFS)
508 #define MVPP2_SMI_READ_VALID (1 << 27) /* Read Valid */
509 #define MVPP2_SMI_BUSY (1 << 28) /* Busy */
511 #define MVPP2_PHY_ADDR_MASK 0x1f
512 #define MVPP2_PHY_REG_MASK 0x1f
514 /* Additional PPv2.2 offsets */
515 #define MVPP22_MPCS 0x007000
516 #define MVPP22_XPCS 0x007400
517 #define MVPP22_PORT_BASE 0x007e00
518 #define MVPP22_PORT_OFFSET 0x001000
519 #define MVPP22_RFU1 0x318000
521 /* Maximum number of ports */
522 #define MVPP22_GOP_MAC_NUM 4
524 /* Sets the field located at the specified in data */
525 #define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41
526 #define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5
527 #define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb
530 enum mv_netc_topology {
531 MV_NETC_GE_MAC2_SGMII = BIT(0),
532 MV_NETC_GE_MAC3_SGMII = BIT(1),
533 MV_NETC_GE_MAC3_RGMII = BIT(2),
538 MV_NETC_SECOND_PHASE,
541 enum mv_netc_sgmii_xmi_mode {
546 enum mv_netc_mii_mode {
556 /* Various constants */
559 #define MVPP2_TXDONE_COAL_PKTS_THRESH 15
560 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
561 #define MVPP2_RX_COAL_PKTS 32
562 #define MVPP2_RX_COAL_USEC 100
564 /* The two bytes Marvell header. Either contains a special value used
565 * by Marvell switches when a specific hardware mode is enabled (not
566 * supported by this driver) or is filled automatically by zeroes on
567 * the RX side. Those two bytes being at the front of the Ethernet
568 * header, they allow to have the IP header aligned on a 4 bytes
569 * boundary automatically: the hardware skips those two bytes on its
572 #define MVPP2_MH_SIZE 2
573 #define MVPP2_ETH_TYPE_LEN 2
574 #define MVPP2_PPPOE_HDR_SIZE 8
575 #define MVPP2_VLAN_TAG_LEN 4
577 /* Lbtd 802.3 type */
578 #define MVPP2_IP_LBDT_TYPE 0xfffa
580 #define MVPP2_CPU_D_CACHE_LINE_SIZE 32
581 #define MVPP2_TX_CSUM_MAX_SIZE 9800
583 /* Timeout constants */
584 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
585 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
587 #define MVPP2_TX_MTU_MAX 0x7ffff
589 /* Maximum number of T-CONTs of PON port */
590 #define MVPP2_MAX_TCONT 16
592 /* Maximum number of supported ports */
593 #define MVPP2_MAX_PORTS 4
595 /* Maximum number of TXQs used by single port */
596 #define MVPP2_MAX_TXQ 8
598 /* Default number of TXQs in use */
599 #define MVPP2_DEFAULT_TXQ 1
601 /* Dfault number of RXQs in use */
602 #define MVPP2_DEFAULT_RXQ 1
603 #define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
605 /* Max number of Rx descriptors */
606 #define MVPP2_MAX_RXD 16
608 /* Max number of Tx descriptors */
609 #define MVPP2_MAX_TXD 16
611 /* Amount of Tx descriptors that can be reserved at once by CPU */
612 #define MVPP2_CPU_DESC_CHUNK 16
614 /* Max number of Tx descriptors in each aggregated queue */
615 #define MVPP2_AGGR_TXQ_SIZE 16
617 /* Descriptor aligned size */
618 #define MVPP2_DESC_ALIGNED_SIZE 32
620 /* Descriptor alignment mask */
621 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
623 /* RX FIFO constants */
624 #define MVPP21_RX_FIFO_PORT_DATA_SIZE 0x2000
625 #define MVPP21_RX_FIFO_PORT_ATTR_SIZE 0x80
626 #define MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE 0x8000
627 #define MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE 0x2000
628 #define MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE 0x1000
629 #define MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE 0x200
630 #define MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE 0x80
631 #define MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE 0x40
632 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
634 /* TX general registers */
635 #define MVPP22_TX_FIFO_SIZE_REG(eth_tx_port) (0x8860 + ((eth_tx_port) << 2))
636 #define MVPP22_TX_FIFO_SIZE_MASK 0xf
638 /* TX FIFO constants */
639 #define MVPP2_TX_FIFO_DATA_SIZE_10KB 0xa
640 #define MVPP2_TX_FIFO_DATA_SIZE_3KB 0x3
642 /* RX buffer constants */
643 #define MVPP2_SKB_SHINFO_SIZE \
646 #define MVPP2_RX_PKT_SIZE(mtu) \
647 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
648 ETH_HLEN + ETH_FCS_LEN, MVPP2_CPU_D_CACHE_LINE_SIZE)
650 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
651 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
652 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
653 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
655 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
657 /* IPv6 max L3 address size */
658 #define MVPP2_MAX_L3_ADDR_SIZE 16
661 #define MVPP2_F_LOOPBACK BIT(0)
663 /* Marvell tag types */
664 enum mvpp2_tag_type {
665 MVPP2_TAG_TYPE_NONE = 0,
666 MVPP2_TAG_TYPE_MH = 1,
667 MVPP2_TAG_TYPE_DSA = 2,
668 MVPP2_TAG_TYPE_EDSA = 3,
669 MVPP2_TAG_TYPE_VLAN = 4,
670 MVPP2_TAG_TYPE_LAST = 5
673 /* Parser constants */
674 #define MVPP2_PRS_TCAM_SRAM_SIZE 256
675 #define MVPP2_PRS_TCAM_WORDS 6
676 #define MVPP2_PRS_SRAM_WORDS 4
677 #define MVPP2_PRS_FLOW_ID_SIZE 64
678 #define MVPP2_PRS_FLOW_ID_MASK 0x3f
679 #define MVPP2_PRS_TCAM_ENTRY_INVALID 1
680 #define MVPP2_PRS_TCAM_DSA_TAGGED_BIT BIT(5)
681 #define MVPP2_PRS_IPV4_HEAD 0x40
682 #define MVPP2_PRS_IPV4_HEAD_MASK 0xf0
683 #define MVPP2_PRS_IPV4_MC 0xe0
684 #define MVPP2_PRS_IPV4_MC_MASK 0xf0
685 #define MVPP2_PRS_IPV4_BC_MASK 0xff
686 #define MVPP2_PRS_IPV4_IHL 0x5
687 #define MVPP2_PRS_IPV4_IHL_MASK 0xf
688 #define MVPP2_PRS_IPV6_MC 0xff
689 #define MVPP2_PRS_IPV6_MC_MASK 0xff
690 #define MVPP2_PRS_IPV6_HOP_MASK 0xff
691 #define MVPP2_PRS_TCAM_PROTO_MASK 0xff
692 #define MVPP2_PRS_TCAM_PROTO_MASK_L 0x3f
693 #define MVPP2_PRS_DBL_VLANS_MAX 100
696 * - lookup ID - 4 bits
698 * - additional information - 1 byte
699 * - header data - 8 bytes
700 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
702 #define MVPP2_PRS_AI_BITS 8
703 #define MVPP2_PRS_PORT_MASK 0xff
704 #define MVPP2_PRS_LU_MASK 0xf
705 #define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
706 (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
707 #define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
708 (((offs) * 2) - ((offs) % 2) + 2)
709 #define MVPP2_PRS_TCAM_AI_BYTE 16
710 #define MVPP2_PRS_TCAM_PORT_BYTE 17
711 #define MVPP2_PRS_TCAM_LU_BYTE 20
712 #define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
713 #define MVPP2_PRS_TCAM_INV_WORD 5
714 /* Tcam entries ID */
715 #define MVPP2_PE_DROP_ALL 0
716 #define MVPP2_PE_FIRST_FREE_TID 1
717 #define MVPP2_PE_LAST_FREE_TID (MVPP2_PRS_TCAM_SRAM_SIZE - 31)
718 #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30)
719 #define MVPP2_PE_MAC_MC_IP6 (MVPP2_PRS_TCAM_SRAM_SIZE - 29)
720 #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
721 #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 27)
722 #define MVPP2_PE_LAST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 26)
723 #define MVPP2_PE_FIRST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 19)
724 #define MVPP2_PE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 18)
725 #define MVPP2_PE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 17)
726 #define MVPP2_PE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 16)
727 #define MVPP2_PE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 15)
728 #define MVPP2_PE_ETYPE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 14)
729 #define MVPP2_PE_ETYPE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 13)
730 #define MVPP2_PE_ETYPE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 12)
731 #define MVPP2_PE_ETYPE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 11)
732 #define MVPP2_PE_MH_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 10)
733 #define MVPP2_PE_DSA_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 9)
734 #define MVPP2_PE_IP6_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 8)
735 #define MVPP2_PE_IP4_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 7)
736 #define MVPP2_PE_ETH_TYPE_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 6)
737 #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 5)
738 #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 4)
739 #define MVPP2_PE_MAC_MC_ALL (MVPP2_PRS_TCAM_SRAM_SIZE - 3)
740 #define MVPP2_PE_MAC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2)
741 #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1)
744 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(3)->(0).
746 #define MVPP2_PRS_SRAM_RI_OFFS 0
747 #define MVPP2_PRS_SRAM_RI_WORD 0
748 #define MVPP2_PRS_SRAM_RI_CTRL_OFFS 32
749 #define MVPP2_PRS_SRAM_RI_CTRL_WORD 1
750 #define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
751 #define MVPP2_PRS_SRAM_SHIFT_OFFS 64
752 #define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
753 #define MVPP2_PRS_SRAM_UDF_OFFS 73
754 #define MVPP2_PRS_SRAM_UDF_BITS 8
755 #define MVPP2_PRS_SRAM_UDF_MASK 0xff
756 #define MVPP2_PRS_SRAM_UDF_SIGN_BIT 81
757 #define MVPP2_PRS_SRAM_UDF_TYPE_OFFS 82
758 #define MVPP2_PRS_SRAM_UDF_TYPE_MASK 0x7
759 #define MVPP2_PRS_SRAM_UDF_TYPE_L3 1
760 #define MVPP2_PRS_SRAM_UDF_TYPE_L4 4
761 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS 85
762 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK 0x3
763 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD 1
764 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP4_ADD 2
765 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP6_ADD 3
766 #define MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS 87
767 #define MVPP2_PRS_SRAM_OP_SEL_UDF_BITS 2
768 #define MVPP2_PRS_SRAM_OP_SEL_UDF_MASK 0x3
769 #define MVPP2_PRS_SRAM_OP_SEL_UDF_ADD 0
770 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP4_ADD 2
771 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP6_ADD 3
772 #define MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS 89
773 #define MVPP2_PRS_SRAM_AI_OFFS 90
774 #define MVPP2_PRS_SRAM_AI_CTRL_OFFS 98
775 #define MVPP2_PRS_SRAM_AI_CTRL_BITS 8
776 #define MVPP2_PRS_SRAM_AI_MASK 0xff
777 #define MVPP2_PRS_SRAM_NEXT_LU_OFFS 106
778 #define MVPP2_PRS_SRAM_NEXT_LU_MASK 0xf
779 #define MVPP2_PRS_SRAM_LU_DONE_BIT 110
780 #define MVPP2_PRS_SRAM_LU_GEN_BIT 111
782 /* Sram result info bits assignment */
783 #define MVPP2_PRS_RI_MAC_ME_MASK 0x1
784 #define MVPP2_PRS_RI_DSA_MASK 0x2
785 #define MVPP2_PRS_RI_VLAN_MASK (BIT(2) | BIT(3))
786 #define MVPP2_PRS_RI_VLAN_NONE 0x0
787 #define MVPP2_PRS_RI_VLAN_SINGLE BIT(2)
788 #define MVPP2_PRS_RI_VLAN_DOUBLE BIT(3)
789 #define MVPP2_PRS_RI_VLAN_TRIPLE (BIT(2) | BIT(3))
790 #define MVPP2_PRS_RI_CPU_CODE_MASK 0x70
791 #define MVPP2_PRS_RI_CPU_CODE_RX_SPEC BIT(4)
792 #define MVPP2_PRS_RI_L2_CAST_MASK (BIT(9) | BIT(10))
793 #define MVPP2_PRS_RI_L2_UCAST 0x0
794 #define MVPP2_PRS_RI_L2_MCAST BIT(9)
795 #define MVPP2_PRS_RI_L2_BCAST BIT(10)
796 #define MVPP2_PRS_RI_PPPOE_MASK 0x800
797 #define MVPP2_PRS_RI_L3_PROTO_MASK (BIT(12) | BIT(13) | BIT(14))
798 #define MVPP2_PRS_RI_L3_UN 0x0
799 #define MVPP2_PRS_RI_L3_IP4 BIT(12)
800 #define MVPP2_PRS_RI_L3_IP4_OPT BIT(13)
801 #define MVPP2_PRS_RI_L3_IP4_OTHER (BIT(12) | BIT(13))
802 #define MVPP2_PRS_RI_L3_IP6 BIT(14)
803 #define MVPP2_PRS_RI_L3_IP6_EXT (BIT(12) | BIT(14))
804 #define MVPP2_PRS_RI_L3_ARP (BIT(13) | BIT(14))
805 #define MVPP2_PRS_RI_L3_ADDR_MASK (BIT(15) | BIT(16))
806 #define MVPP2_PRS_RI_L3_UCAST 0x0
807 #define MVPP2_PRS_RI_L3_MCAST BIT(15)
808 #define MVPP2_PRS_RI_L3_BCAST (BIT(15) | BIT(16))
809 #define MVPP2_PRS_RI_IP_FRAG_MASK 0x20000
810 #define MVPP2_PRS_RI_UDF3_MASK 0x300000
811 #define MVPP2_PRS_RI_UDF3_RX_SPECIAL BIT(21)
812 #define MVPP2_PRS_RI_L4_PROTO_MASK 0x1c00000
813 #define MVPP2_PRS_RI_L4_TCP BIT(22)
814 #define MVPP2_PRS_RI_L4_UDP BIT(23)
815 #define MVPP2_PRS_RI_L4_OTHER (BIT(22) | BIT(23))
816 #define MVPP2_PRS_RI_UDF7_MASK 0x60000000
817 #define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
818 #define MVPP2_PRS_RI_DROP_MASK 0x80000000
820 /* Sram additional info bits assignment */
821 #define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
822 #define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
823 #define MVPP2_PRS_IPV6_EXT_AI_BIT BIT(1)
824 #define MVPP2_PRS_IPV6_EXT_AH_AI_BIT BIT(2)
825 #define MVPP2_PRS_IPV6_EXT_AH_LEN_AI_BIT BIT(3)
826 #define MVPP2_PRS_IPV6_EXT_AH_L4_AI_BIT BIT(4)
827 #define MVPP2_PRS_SINGLE_VLAN_AI 0
828 #define MVPP2_PRS_DBL_VLAN_AI_BIT BIT(7)
831 #define MVPP2_PRS_TAGGED true
832 #define MVPP2_PRS_UNTAGGED false
833 #define MVPP2_PRS_EDSA true
834 #define MVPP2_PRS_DSA false
836 /* MAC entries, shadow udf */
838 MVPP2_PRS_UDF_MAC_DEF,
839 MVPP2_PRS_UDF_MAC_RANGE,
840 MVPP2_PRS_UDF_L2_DEF,
841 MVPP2_PRS_UDF_L2_DEF_COPY,
842 MVPP2_PRS_UDF_L2_USER,
846 enum mvpp2_prs_lookup {
860 enum mvpp2_prs_l3_cast {
861 MVPP2_PRS_L3_UNI_CAST,
862 MVPP2_PRS_L3_MULTI_CAST,
863 MVPP2_PRS_L3_BROAD_CAST
866 /* Classifier constants */
867 #define MVPP2_CLS_FLOWS_TBL_SIZE 512
868 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3
869 #define MVPP2_CLS_LKP_TBL_SIZE 64
872 #define MVPP2_BM_POOLS_NUM 1
873 #define MVPP2_BM_LONG_BUF_NUM 16
874 #define MVPP2_BM_SHORT_BUF_NUM 16
875 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
876 #define MVPP2_BM_POOL_PTR_ALIGN 128
877 #define MVPP2_BM_SWF_LONG_POOL(port) 0
879 /* BM cookie (32 bits) definition */
880 #define MVPP2_BM_COOKIE_POOL_OFFS 8
881 #define MVPP2_BM_COOKIE_CPU_OFFS 24
883 /* BM short pool packet size
884 * These value assure that for SWF the total number
885 * of bytes allocated for each buffer will be 512
887 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
897 /* Shared Packet Processor resources */
899 /* Shared registers' base addresses */
901 void __iomem *lms_base;
902 void __iomem *iface_base;
903 void __iomem *mdio_base;
905 void __iomem *mpcs_base;
906 void __iomem *xpcs_base;
907 void __iomem *rfu1_base;
911 /* List of pointers to port structures */
912 struct mvpp2_port **port_list;
914 /* Aggregated TXQs */
915 struct mvpp2_tx_queue *aggr_txqs;
918 struct mvpp2_bm_pool *bm_pools;
920 /* PRS shadow table */
921 struct mvpp2_prs_shadow *prs_shadow;
922 /* PRS auxiliary table for double vlan entries control */
923 bool *prs_double_vlans;
929 enum { MVPP21, MVPP22 } hw_version;
931 /* Maximum number of RXQs per port */
932 unsigned int max_port_rxqs;
940 struct mvpp2_pcpu_stats {
950 /* Index of the port from the "group of ports" complex point
959 /* Per-port registers' base address */
962 struct mvpp2_rx_queue **rxqs;
963 struct mvpp2_tx_queue **txqs;
967 u32 pending_cause_rx;
969 /* Per-CPU port control */
970 struct mvpp2_port_pcpu __percpu *pcpu;
977 struct mvpp2_pcpu_stats __percpu *stats;
979 struct phy_device *phy_dev;
980 phy_interface_t phy_interface;
983 #ifdef CONFIG_DM_GPIO
984 struct gpio_desc phy_reset_gpio;
985 struct gpio_desc phy_tx_disable_gpio;
992 unsigned int phy_speed; /* SGMII 1Gbps vs 2.5Gbps */
994 struct mvpp2_bm_pool *pool_long;
995 struct mvpp2_bm_pool *pool_short;
997 /* Index of first port's physical RXQ */
1000 u8 dev_addr[ETH_ALEN];
1003 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
1004 * layout of the transmit and reception DMA descriptors, and their
1005 * layout is therefore defined by the hardware design
1008 #define MVPP2_TXD_L3_OFF_SHIFT 0
1009 #define MVPP2_TXD_IP_HLEN_SHIFT 8
1010 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
1011 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
1012 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
1013 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
1014 #define MVPP2_TXD_L4_UDP BIT(24)
1015 #define MVPP2_TXD_L3_IP6 BIT(26)
1016 #define MVPP2_TXD_L_DESC BIT(28)
1017 #define MVPP2_TXD_F_DESC BIT(29)
1019 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
1020 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
1021 #define MVPP2_RXD_ERR_CRC 0x0
1022 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
1023 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
1024 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
1025 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
1026 #define MVPP2_RXD_HWF_SYNC BIT(21)
1027 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
1028 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
1029 #define MVPP2_RXD_L4_TCP BIT(25)
1030 #define MVPP2_RXD_L4_UDP BIT(26)
1031 #define MVPP2_RXD_L3_IP4 BIT(28)
1032 #define MVPP2_RXD_L3_IP6 BIT(30)
1033 #define MVPP2_RXD_BUF_HDR BIT(31)
1035 /* HW TX descriptor for PPv2.1 */
1036 struct mvpp21_tx_desc {
1037 u32 command; /* Options used by HW for packet transmitting.*/
1038 u8 packet_offset; /* the offset from the buffer beginning */
1039 u8 phys_txq; /* destination queue ID */
1040 u16 data_size; /* data size of transmitted packet in bytes */
1041 u32 buf_dma_addr; /* physical addr of transmitted buffer */
1042 u32 buf_cookie; /* cookie for access to TX buffer in tx path */
1043 u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
1044 u32 reserved2; /* reserved (for future use) */
1047 /* HW RX descriptor for PPv2.1 */
1048 struct mvpp21_rx_desc {
1049 u32 status; /* info about received packet */
1050 u16 reserved1; /* parser_info (for future use, PnC) */
1051 u16 data_size; /* size of received packet in bytes */
1052 u32 buf_dma_addr; /* physical address of the buffer */
1053 u32 buf_cookie; /* cookie for access to RX buffer in rx path */
1054 u16 reserved2; /* gem_port_id (for future use, PON) */
1055 u16 reserved3; /* csum_l4 (for future use, PnC) */
1056 u8 reserved4; /* bm_qset (for future use, BM) */
1058 u16 reserved6; /* classify_info (for future use, PnC) */
1059 u32 reserved7; /* flow_id (for future use, PnC) */
1063 /* HW TX descriptor for PPv2.2 */
1064 struct mvpp22_tx_desc {
1070 u64 buf_dma_addr_ptp;
1071 u64 buf_cookie_misc;
1074 /* HW RX descriptor for PPv2.2 */
1075 struct mvpp22_rx_desc {
1081 u64 buf_dma_addr_key_hash;
1082 u64 buf_cookie_misc;
1085 /* Opaque type used by the driver to manipulate the HW TX and RX
1088 struct mvpp2_tx_desc {
1090 struct mvpp21_tx_desc pp21;
1091 struct mvpp22_tx_desc pp22;
1095 struct mvpp2_rx_desc {
1097 struct mvpp21_rx_desc pp21;
1098 struct mvpp22_rx_desc pp22;
1102 /* Per-CPU Tx queue control */
1103 struct mvpp2_txq_pcpu {
1106 /* Number of Tx DMA descriptors in the descriptor ring */
1109 /* Number of currently used Tx DMA descriptor in the
1114 /* Number of Tx DMA descriptors reserved for each CPU */
1117 /* Index of last TX DMA descriptor that was inserted */
1120 /* Index of the TX DMA descriptor to be cleaned up */
1124 struct mvpp2_tx_queue {
1125 /* Physical number of this Tx queue */
1128 /* Logical number of this Tx queue */
1131 /* Number of Tx DMA descriptors in the descriptor ring */
1134 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1137 /* Per-CPU control of physical Tx queues */
1138 struct mvpp2_txq_pcpu __percpu *pcpu;
1142 /* Virtual address of thex Tx DMA descriptors array */
1143 struct mvpp2_tx_desc *descs;
1145 /* DMA address of the Tx DMA descriptors array */
1146 dma_addr_t descs_dma;
1148 /* Index of the last Tx DMA descriptor */
1151 /* Index of the next Tx DMA descriptor to process */
1152 int next_desc_to_proc;
1155 struct mvpp2_rx_queue {
1156 /* RX queue number, in the range 0-31 for physical RXQs */
1159 /* Num of rx descriptors in the rx descriptor ring */
1165 /* Virtual address of the RX DMA descriptors array */
1166 struct mvpp2_rx_desc *descs;
1168 /* DMA address of the RX DMA descriptors array */
1169 dma_addr_t descs_dma;
1171 /* Index of the last RX DMA descriptor */
1174 /* Index of the next RX DMA descriptor to process */
1175 int next_desc_to_proc;
1177 /* ID of port to which physical RXQ is mapped */
1180 /* Port's logic RXQ number to which physical RXQ is mapped */
1184 union mvpp2_prs_tcam_entry {
1185 u32 word[MVPP2_PRS_TCAM_WORDS];
1186 u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
1189 union mvpp2_prs_sram_entry {
1190 u32 word[MVPP2_PRS_SRAM_WORDS];
1191 u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
1194 struct mvpp2_prs_entry {
1196 union mvpp2_prs_tcam_entry tcam;
1197 union mvpp2_prs_sram_entry sram;
1200 struct mvpp2_prs_shadow {
1207 /* User defined offset */
1215 struct mvpp2_cls_flow_entry {
1217 u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS];
1220 struct mvpp2_cls_lookup_entry {
1226 struct mvpp2_bm_pool {
1227 /* Pool number in the range 0-7 */
1229 enum mvpp2_bm_type type;
1231 /* Buffer Pointers Pool External (BPPE) size */
1233 /* Number of buffers for this pool */
1235 /* Pool buffer size */
1240 /* BPPE virtual base address */
1241 unsigned long *virt_addr;
1242 /* BPPE DMA base address */
1243 dma_addr_t dma_addr;
1245 /* Ports using BM pool */
1249 /* Static declaractions */
1251 /* Number of RXQs used by single port */
1252 static int rxq_number = MVPP2_DEFAULT_RXQ;
1253 /* Number of TXQs used by single port */
1254 static int txq_number = MVPP2_DEFAULT_TXQ;
1258 #define MVPP2_DRIVER_NAME "mvpp2"
1259 #define MVPP2_DRIVER_VERSION "1.0"
1262 * U-Boot internal data, mostly uncached buffers for descriptors and data
1264 struct buffer_location {
1265 struct mvpp2_tx_desc *aggr_tx_descs;
1266 struct mvpp2_tx_desc *tx_descs;
1267 struct mvpp2_rx_desc *rx_descs;
1268 unsigned long *bm_pool[MVPP2_BM_POOLS_NUM];
1269 unsigned long *rx_buffer[MVPP2_BM_LONG_BUF_NUM];
1274 * All 4 interfaces use the same global buffer, since only one interface
1275 * can be enabled at once
1277 static struct buffer_location buffer_loc;
1280 * Page table entries are set to 1MB, or multiples of 1MB
1281 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1283 #define BD_SPACE (1 << 20)
1285 /* Utility/helper methods */
1287 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1289 writel(data, priv->base + offset);
1292 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1294 return readl(priv->base + offset);
1297 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1298 struct mvpp2_tx_desc *tx_desc,
1299 dma_addr_t dma_addr)
1301 if (port->priv->hw_version == MVPP21) {
1302 tx_desc->pp21.buf_dma_addr = dma_addr;
1304 u64 val = (u64)dma_addr;
1306 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1307 tx_desc->pp22.buf_dma_addr_ptp |= val;
1311 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1312 struct mvpp2_tx_desc *tx_desc,
1315 if (port->priv->hw_version == MVPP21)
1316 tx_desc->pp21.data_size = size;
1318 tx_desc->pp22.data_size = size;
1321 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1322 struct mvpp2_tx_desc *tx_desc,
1325 if (port->priv->hw_version == MVPP21)
1326 tx_desc->pp21.phys_txq = txq;
1328 tx_desc->pp22.phys_txq = txq;
1331 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1332 struct mvpp2_tx_desc *tx_desc,
1333 unsigned int command)
1335 if (port->priv->hw_version == MVPP21)
1336 tx_desc->pp21.command = command;
1338 tx_desc->pp22.command = command;
1341 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1342 struct mvpp2_tx_desc *tx_desc,
1343 unsigned int offset)
1345 if (port->priv->hw_version == MVPP21)
1346 tx_desc->pp21.packet_offset = offset;
1348 tx_desc->pp22.packet_offset = offset;
1351 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1352 struct mvpp2_rx_desc *rx_desc)
1354 if (port->priv->hw_version == MVPP21)
1355 return rx_desc->pp21.buf_dma_addr;
1357 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1360 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1361 struct mvpp2_rx_desc *rx_desc)
1363 if (port->priv->hw_version == MVPP21)
1364 return rx_desc->pp21.buf_cookie;
1366 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1369 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1370 struct mvpp2_rx_desc *rx_desc)
1372 if (port->priv->hw_version == MVPP21)
1373 return rx_desc->pp21.data_size;
1375 return rx_desc->pp22.data_size;
1378 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1379 struct mvpp2_rx_desc *rx_desc)
1381 if (port->priv->hw_version == MVPP21)
1382 return rx_desc->pp21.status;
1384 return rx_desc->pp22.status;
1387 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1389 txq_pcpu->txq_get_index++;
1390 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1391 txq_pcpu->txq_get_index = 0;
1394 /* Get number of physical egress port */
1395 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1397 return MVPP2_MAX_TCONT + port->id;
1400 /* Get number of physical TXQ */
1401 static inline int mvpp2_txq_phys(int port, int txq)
1403 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1406 /* Parser configuration routines */
1408 /* Update parser tcam and sram hw entries */
1409 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1413 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1416 /* Clear entry invalidation bit */
1417 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1419 /* Write tcam index - indirect access */
1420 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1421 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1422 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1424 /* Write sram index - indirect access */
1425 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1426 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1427 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1432 /* Read tcam entry from hw */
1433 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1437 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1440 /* Write tcam index - indirect access */
1441 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1443 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1444 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1445 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1446 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1448 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1449 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1451 /* Write sram index - indirect access */
1452 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1453 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1454 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1459 /* Invalidate tcam hw entry */
1460 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1462 /* Write index - indirect access */
1463 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1464 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1465 MVPP2_PRS_TCAM_INV_MASK);
1468 /* Enable shadow table entry and set its lookup ID */
1469 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1471 priv->prs_shadow[index].valid = true;
1472 priv->prs_shadow[index].lu = lu;
1475 /* Update ri fields in shadow table entry */
1476 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1477 unsigned int ri, unsigned int ri_mask)
1479 priv->prs_shadow[index].ri_mask = ri_mask;
1480 priv->prs_shadow[index].ri = ri;
1483 /* Update lookup field in tcam sw entry */
1484 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1486 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1488 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1489 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1492 /* Update mask for single port in tcam sw entry */
1493 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1494 unsigned int port, bool add)
1496 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1499 pe->tcam.byte[enable_off] &= ~(1 << port);
1501 pe->tcam.byte[enable_off] |= 1 << port;
1504 /* Update port map in tcam sw entry */
1505 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1508 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1509 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1511 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1512 pe->tcam.byte[enable_off] &= ~port_mask;
1513 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1516 /* Obtain port map from tcam sw entry */
1517 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1519 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1521 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1524 /* Set byte of data and its enable bits in tcam sw entry */
1525 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1526 unsigned int offs, unsigned char byte,
1527 unsigned char enable)
1529 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1530 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1533 /* Get byte of data and its enable bits from tcam sw entry */
1534 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1535 unsigned int offs, unsigned char *byte,
1536 unsigned char *enable)
1538 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1539 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1542 /* Set ethertype in tcam sw entry */
1543 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1544 unsigned short ethertype)
1546 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1547 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1550 /* Set bits in sram sw entry */
1551 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1554 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1557 /* Clear bits in sram sw entry */
1558 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1561 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1564 /* Update ri bits in sram sw entry */
1565 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1566 unsigned int bits, unsigned int mask)
1570 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1571 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1573 if (!(mask & BIT(i)))
1577 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1579 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1581 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1585 /* Update ai bits in sram sw entry */
1586 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1587 unsigned int bits, unsigned int mask)
1590 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1592 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1594 if (!(mask & BIT(i)))
1598 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1600 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1602 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1606 /* Read ai bits from sram sw entry */
1607 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1610 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1611 int ai_en_off = ai_off + 1;
1612 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1614 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1615 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1620 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1623 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1626 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1628 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1629 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1630 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1633 /* In the sram sw entry set sign and value of the next lookup offset
1634 * and the offset value generated to the classifier
1636 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1641 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1644 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1648 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1649 (unsigned char)shift;
1651 /* Reset and set operation */
1652 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1653 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1654 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1656 /* Set base offset as current */
1657 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1660 /* In the sram sw entry set sign and value of the user defined offset
1661 * generated to the classifier
1663 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1664 unsigned int type, int offset,
1669 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1670 offset = 0 - offset;
1672 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1676 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1677 MVPP2_PRS_SRAM_UDF_MASK);
1678 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1679 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1680 MVPP2_PRS_SRAM_UDF_BITS)] &=
1681 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1682 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1683 MVPP2_PRS_SRAM_UDF_BITS)] |=
1684 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1686 /* Set offset type */
1687 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1688 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1689 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1691 /* Set offset operation */
1692 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1693 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1694 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1696 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1697 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1698 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1699 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1701 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1702 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1703 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1705 /* Set base offset as current */
1706 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1709 /* Find parser flow entry */
1710 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1712 struct mvpp2_prs_entry *pe;
1715 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1718 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1720 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1721 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1724 if (!priv->prs_shadow[tid].valid ||
1725 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1729 mvpp2_prs_hw_read(priv, pe);
1730 bits = mvpp2_prs_sram_ai_get(pe);
1732 /* Sram store classification lookup ID in AI bits [5:0] */
1733 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1741 /* Return first free tcam index, seeking from start to end */
1742 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1750 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1751 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1753 for (tid = start; tid <= end; tid++) {
1754 if (!priv->prs_shadow[tid].valid)
1761 /* Enable/disable dropping all mac da's */
1762 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1764 struct mvpp2_prs_entry pe;
1766 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1767 /* Entry exist - update port only */
1768 pe.index = MVPP2_PE_DROP_ALL;
1769 mvpp2_prs_hw_read(priv, &pe);
1771 /* Entry doesn't exist - create new */
1772 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1773 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1774 pe.index = MVPP2_PE_DROP_ALL;
1776 /* Non-promiscuous mode for all ports - DROP unknown packets */
1777 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1778 MVPP2_PRS_RI_DROP_MASK);
1780 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1781 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1783 /* Update shadow table */
1784 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1786 /* Mask all ports */
1787 mvpp2_prs_tcam_port_map_set(&pe, 0);
1790 /* Update port mask */
1791 mvpp2_prs_tcam_port_set(&pe, port, add);
1793 mvpp2_prs_hw_write(priv, &pe);
1796 /* Set port to promiscuous mode */
1797 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1799 struct mvpp2_prs_entry pe;
1801 /* Promiscuous mode - Accept unknown packets */
1803 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1804 /* Entry exist - update port only */
1805 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1806 mvpp2_prs_hw_read(priv, &pe);
1808 /* Entry doesn't exist - create new */
1809 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1810 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1811 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1813 /* Continue - set next lookup */
1814 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1816 /* Set result info bits */
1817 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1818 MVPP2_PRS_RI_L2_CAST_MASK);
1820 /* Shift to ethertype */
1821 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1822 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1824 /* Mask all ports */
1825 mvpp2_prs_tcam_port_map_set(&pe, 0);
1827 /* Update shadow table */
1828 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1831 /* Update port mask */
1832 mvpp2_prs_tcam_port_set(&pe, port, add);
1834 mvpp2_prs_hw_write(priv, &pe);
1837 /* Accept multicast */
1838 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1841 struct mvpp2_prs_entry pe;
1842 unsigned char da_mc;
1844 /* Ethernet multicast address first byte is
1845 * 0x01 for IPv4 and 0x33 for IPv6
1847 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1849 if (priv->prs_shadow[index].valid) {
1850 /* Entry exist - update port only */
1852 mvpp2_prs_hw_read(priv, &pe);
1854 /* Entry doesn't exist - create new */
1855 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1856 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1859 /* Continue - set next lookup */
1860 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1862 /* Set result info bits */
1863 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1864 MVPP2_PRS_RI_L2_CAST_MASK);
1866 /* Update tcam entry data first byte */
1867 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1869 /* Shift to ethertype */
1870 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1871 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1873 /* Mask all ports */
1874 mvpp2_prs_tcam_port_map_set(&pe, 0);
1876 /* Update shadow table */
1877 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1880 /* Update port mask */
1881 mvpp2_prs_tcam_port_set(&pe, port, add);
1883 mvpp2_prs_hw_write(priv, &pe);
1886 /* Parser per-port initialization */
1887 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1888 int lu_max, int offset)
1893 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1894 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1895 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1896 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1898 /* Set maximum number of loops for packet received from port */
1899 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1900 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1901 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1902 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1904 /* Set initial offset for packet header extraction for the first
1907 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1908 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1909 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1910 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1913 /* Default flow entries initialization for all ports */
1914 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1916 struct mvpp2_prs_entry pe;
1919 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1920 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1921 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1922 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1924 /* Mask all ports */
1925 mvpp2_prs_tcam_port_map_set(&pe, 0);
1928 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1929 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1931 /* Update shadow table and hw entry */
1932 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1933 mvpp2_prs_hw_write(priv, &pe);
1937 /* Set default entry for Marvell Header field */
1938 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1940 struct mvpp2_prs_entry pe;
1942 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1944 pe.index = MVPP2_PE_MH_DEFAULT;
1945 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1946 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1947 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1948 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1950 /* Unmask all ports */
1951 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1953 /* Update shadow table and hw entry */
1954 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1955 mvpp2_prs_hw_write(priv, &pe);
1958 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1959 * multicast MAC addresses
1961 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1963 struct mvpp2_prs_entry pe;
1965 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1967 /* Non-promiscuous mode for all ports - DROP unknown packets */
1968 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1969 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1971 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1972 MVPP2_PRS_RI_DROP_MASK);
1973 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1974 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1976 /* Unmask all ports */
1977 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1979 /* Update shadow table and hw entry */
1980 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1981 mvpp2_prs_hw_write(priv, &pe);
1983 /* place holders only - no ports */
1984 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1985 mvpp2_prs_mac_promisc_set(priv, 0, false);
1986 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1987 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1990 /* Match basic ethertypes */
1991 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1993 struct mvpp2_prs_entry pe;
1996 /* Ethertype: PPPoE */
1997 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1998 MVPP2_PE_LAST_FREE_TID);
2002 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2003 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2006 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
2008 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
2009 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2010 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
2011 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
2012 MVPP2_PRS_RI_PPPOE_MASK);
2014 /* Update shadow table and hw entry */
2015 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2016 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2017 priv->prs_shadow[pe.index].finish = false;
2018 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2019 MVPP2_PRS_RI_PPPOE_MASK);
2020 mvpp2_prs_hw_write(priv, &pe);
2022 /* Ethertype: ARP */
2023 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2024 MVPP2_PE_LAST_FREE_TID);
2028 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2029 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2032 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2034 /* Generate flow in the next iteration*/
2035 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2036 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2037 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2038 MVPP2_PRS_RI_L3_PROTO_MASK);
2040 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2042 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2044 /* Update shadow table and hw entry */
2045 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2046 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2047 priv->prs_shadow[pe.index].finish = true;
2048 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2049 MVPP2_PRS_RI_L3_PROTO_MASK);
2050 mvpp2_prs_hw_write(priv, &pe);
2052 /* Ethertype: LBTD */
2053 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2054 MVPP2_PE_LAST_FREE_TID);
2058 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2059 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2062 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2064 /* Generate flow in the next iteration*/
2065 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2066 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2067 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2068 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2069 MVPP2_PRS_RI_CPU_CODE_MASK |
2070 MVPP2_PRS_RI_UDF3_MASK);
2072 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2074 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2076 /* Update shadow table and hw entry */
2077 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2078 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2079 priv->prs_shadow[pe.index].finish = true;
2080 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2081 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2082 MVPP2_PRS_RI_CPU_CODE_MASK |
2083 MVPP2_PRS_RI_UDF3_MASK);
2084 mvpp2_prs_hw_write(priv, &pe);
2086 /* Ethertype: IPv4 without options */
2087 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2088 MVPP2_PE_LAST_FREE_TID);
2092 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2093 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2096 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2097 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2098 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2099 MVPP2_PRS_IPV4_HEAD_MASK |
2100 MVPP2_PRS_IPV4_IHL_MASK);
2102 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2103 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2104 MVPP2_PRS_RI_L3_PROTO_MASK);
2105 /* Skip eth_type + 4 bytes of IP header */
2106 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2107 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2109 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2111 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2113 /* Update shadow table and hw entry */
2114 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2115 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2116 priv->prs_shadow[pe.index].finish = false;
2117 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2118 MVPP2_PRS_RI_L3_PROTO_MASK);
2119 mvpp2_prs_hw_write(priv, &pe);
2121 /* Ethertype: IPv4 with options */
2122 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2123 MVPP2_PE_LAST_FREE_TID);
2129 /* Clear tcam data before updating */
2130 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2131 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2133 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2134 MVPP2_PRS_IPV4_HEAD,
2135 MVPP2_PRS_IPV4_HEAD_MASK);
2137 /* Clear ri before updating */
2138 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2139 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2140 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2141 MVPP2_PRS_RI_L3_PROTO_MASK);
2143 /* Update shadow table and hw entry */
2144 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2145 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2146 priv->prs_shadow[pe.index].finish = false;
2147 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2148 MVPP2_PRS_RI_L3_PROTO_MASK);
2149 mvpp2_prs_hw_write(priv, &pe);
2151 /* Ethertype: IPv6 without options */
2152 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2153 MVPP2_PE_LAST_FREE_TID);
2157 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2158 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2161 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2163 /* Skip DIP of IPV6 header */
2164 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2165 MVPP2_MAX_L3_ADDR_SIZE,
2166 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2167 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2168 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2169 MVPP2_PRS_RI_L3_PROTO_MASK);
2171 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2173 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2175 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2176 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2177 priv->prs_shadow[pe.index].finish = false;
2178 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2179 MVPP2_PRS_RI_L3_PROTO_MASK);
2180 mvpp2_prs_hw_write(priv, &pe);
2182 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2183 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2184 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2185 pe.index = MVPP2_PE_ETH_TYPE_UN;
2187 /* Unmask all ports */
2188 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2190 /* Generate flow in the next iteration*/
2191 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2192 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2193 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2194 MVPP2_PRS_RI_L3_PROTO_MASK);
2195 /* Set L3 offset even it's unknown L3 */
2196 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2198 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2200 /* Update shadow table and hw entry */
2201 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2202 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2203 priv->prs_shadow[pe.index].finish = true;
2204 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2205 MVPP2_PRS_RI_L3_PROTO_MASK);
2206 mvpp2_prs_hw_write(priv, &pe);
2211 /* Parser default initialization */
2212 static int mvpp2_prs_default_init(struct udevice *dev,
2217 /* Enable tcam table */
2218 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2220 /* Clear all tcam and sram entries */
2221 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2222 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2223 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2224 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2226 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2227 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2228 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2231 /* Invalidate all tcam entries */
2232 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2233 mvpp2_prs_hw_inv(priv, index);
2235 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2236 sizeof(struct mvpp2_prs_shadow),
2238 if (!priv->prs_shadow)
2241 /* Always start from lookup = 0 */
2242 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2243 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2244 MVPP2_PRS_PORT_LU_MAX, 0);
2246 mvpp2_prs_def_flow_init(priv);
2248 mvpp2_prs_mh_init(priv);
2250 mvpp2_prs_mac_init(priv);
2252 err = mvpp2_prs_etype_init(priv);
2259 /* Compare MAC DA with tcam entry data */
2260 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2261 const u8 *da, unsigned char *mask)
2263 unsigned char tcam_byte, tcam_mask;
2266 for (index = 0; index < ETH_ALEN; index++) {
2267 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2268 if (tcam_mask != mask[index])
2271 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2278 /* Find tcam entry with matched pair <MAC DA, port> */
2279 static struct mvpp2_prs_entry *
2280 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2281 unsigned char *mask, int udf_type)
2283 struct mvpp2_prs_entry *pe;
2286 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2289 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2291 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2292 for (tid = MVPP2_PE_FIRST_FREE_TID;
2293 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2294 unsigned int entry_pmap;
2296 if (!priv->prs_shadow[tid].valid ||
2297 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2298 (priv->prs_shadow[tid].udf != udf_type))
2302 mvpp2_prs_hw_read(priv, pe);
2303 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2305 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2314 /* Update parser's mac da entry */
2315 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2316 const u8 *da, bool add)
2318 struct mvpp2_prs_entry *pe;
2319 unsigned int pmap, len, ri;
2320 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2323 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2324 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2325 MVPP2_PRS_UDF_MAC_DEF);
2332 /* Create new TCAM entry */
2333 /* Find first range mac entry*/
2334 for (tid = MVPP2_PE_FIRST_FREE_TID;
2335 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2336 if (priv->prs_shadow[tid].valid &&
2337 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2338 (priv->prs_shadow[tid].udf ==
2339 MVPP2_PRS_UDF_MAC_RANGE))
2342 /* Go through the all entries from first to last */
2343 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2348 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2351 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2354 /* Mask all ports */
2355 mvpp2_prs_tcam_port_map_set(pe, 0);
2358 /* Update port mask */
2359 mvpp2_prs_tcam_port_set(pe, port, add);
2361 /* Invalidate the entry if no ports are left enabled */
2362 pmap = mvpp2_prs_tcam_port_map_get(pe);
2368 mvpp2_prs_hw_inv(priv, pe->index);
2369 priv->prs_shadow[pe->index].valid = false;
2374 /* Continue - set next lookup */
2375 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2377 /* Set match on DA */
2380 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2382 /* Set result info bits */
2383 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2385 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2386 MVPP2_PRS_RI_MAC_ME_MASK);
2387 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2388 MVPP2_PRS_RI_MAC_ME_MASK);
2390 /* Shift to ethertype */
2391 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2392 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2394 /* Update shadow table and hw entry */
2395 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2396 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2397 mvpp2_prs_hw_write(priv, pe);
2404 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2408 /* Remove old parser entry */
2409 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2414 /* Add new parser entry */
2415 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2419 /* Set addr in the device */
2420 memcpy(port->dev_addr, da, ETH_ALEN);
2425 /* Set prs flow for the port */
2426 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2428 struct mvpp2_prs_entry *pe;
2431 pe = mvpp2_prs_flow_find(port->priv, port->id);
2433 /* Such entry not exist */
2435 /* Go through the all entires from last to first */
2436 tid = mvpp2_prs_tcam_first_free(port->priv,
2437 MVPP2_PE_LAST_FREE_TID,
2438 MVPP2_PE_FIRST_FREE_TID);
2442 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2446 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2450 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2451 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2453 /* Update shadow table */
2454 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2457 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2458 mvpp2_prs_hw_write(port->priv, pe);
2464 /* Classifier configuration routines */
2466 /* Update classification flow table registers */
2467 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2468 struct mvpp2_cls_flow_entry *fe)
2470 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2471 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2472 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2473 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2476 /* Update classification lookup table register */
2477 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2478 struct mvpp2_cls_lookup_entry *le)
2482 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2483 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2484 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2487 /* Classifier default initialization */
2488 static void mvpp2_cls_init(struct mvpp2 *priv)
2490 struct mvpp2_cls_lookup_entry le;
2491 struct mvpp2_cls_flow_entry fe;
2494 /* Enable classifier */
2495 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2497 /* Clear classifier flow table */
2498 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2499 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2501 mvpp2_cls_flow_write(priv, &fe);
2504 /* Clear classifier lookup table */
2506 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2509 mvpp2_cls_lookup_write(priv, &le);
2512 mvpp2_cls_lookup_write(priv, &le);
2516 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2518 struct mvpp2_cls_lookup_entry le;
2521 /* Set way for the port */
2522 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2523 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2524 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2526 /* Pick the entry to be accessed in lookup ID decoding table
2527 * according to the way and lkpid.
2529 le.lkpid = port->id;
2533 /* Set initial CPU queue for receiving packets */
2534 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2535 le.data |= port->first_rxq;
2537 /* Disable classification engines */
2538 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2540 /* Update lookup ID table entry */
2541 mvpp2_cls_lookup_write(port->priv, &le);
2544 /* Set CPU queue number for oversize packets */
2545 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2549 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2550 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2552 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2553 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2555 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2556 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2557 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2560 /* Buffer Manager configuration routines */
2563 static int mvpp2_bm_pool_create(struct udevice *dev,
2565 struct mvpp2_bm_pool *bm_pool, int size)
2569 /* Number of buffer pointers must be a multiple of 16, as per
2570 * hardware constraints
2572 if (!IS_ALIGNED(size, 16))
2575 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2576 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2577 if (!bm_pool->virt_addr)
2580 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2581 MVPP2_BM_POOL_PTR_ALIGN)) {
2582 dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n",
2583 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2587 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2588 lower_32_bits(bm_pool->dma_addr));
2589 if (priv->hw_version == MVPP22)
2590 mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
2591 (upper_32_bits(bm_pool->dma_addr) &
2592 MVPP22_BM_POOL_BASE_HIGH_MASK));
2593 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2595 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2596 val |= MVPP2_BM_START_MASK;
2597 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2599 bm_pool->type = MVPP2_BM_FREE;
2600 bm_pool->size = size;
2601 bm_pool->pkt_size = 0;
2602 bm_pool->buf_num = 0;
2607 /* Set pool buffer size */
2608 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2609 struct mvpp2_bm_pool *bm_pool,
2614 bm_pool->buf_size = buf_size;
2616 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2617 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2620 /* Free all buffers from the pool */
2621 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2622 struct mvpp2_bm_pool *bm_pool)
2626 for (i = 0; i < bm_pool->buf_num; i++) {
2627 /* Allocate buffer back from the buffer manager */
2628 mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
2631 bm_pool->buf_num = 0;
2635 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2637 struct mvpp2_bm_pool *bm_pool)
2641 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2642 if (bm_pool->buf_num) {
2643 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2647 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2648 val |= MVPP2_BM_STOP_MASK;
2649 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2654 static int mvpp2_bm_pools_init(struct udevice *dev,
2658 struct mvpp2_bm_pool *bm_pool;
2660 /* Create all pools with maximum size */
2661 size = MVPP2_BM_POOL_SIZE_MAX;
2662 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2663 bm_pool = &priv->bm_pools[i];
2665 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2667 goto err_unroll_pools;
2668 mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
2673 dev_err(&pdev->dev, "failed to create BM pool %d, size %d\n", i, size);
2674 for (i = i - 1; i >= 0; i--)
2675 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2679 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2683 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2684 /* Mask BM all interrupts */
2685 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2686 /* Clear BM cause register */
2687 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2690 /* Allocate and initialize BM pools */
2691 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2692 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2693 if (!priv->bm_pools)
2696 err = mvpp2_bm_pools_init(dev, priv);
2702 /* Attach long pool to rxq */
2703 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2704 int lrxq, int long_pool)
2709 /* Get queue physical ID */
2710 prxq = port->rxqs[lrxq]->id;
2712 if (port->priv->hw_version == MVPP21)
2713 mask = MVPP21_RXQ_POOL_LONG_MASK;
2715 mask = MVPP22_RXQ_POOL_LONG_MASK;
2717 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2719 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2720 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2723 /* Set pool number in a BM cookie */
2724 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2728 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2729 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2734 /* Get pool number from a BM cookie */
2735 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2737 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2740 /* Release buffer to BM */
2741 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2742 dma_addr_t buf_dma_addr,
2743 unsigned long buf_phys_addr)
2745 if (port->priv->hw_version == MVPP22) {
2748 if (sizeof(dma_addr_t) == 8)
2749 val |= upper_32_bits(buf_dma_addr) &
2750 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2752 if (sizeof(phys_addr_t) == 8)
2753 val |= (upper_32_bits(buf_phys_addr)
2754 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2755 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2757 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2760 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2761 * returned in the "cookie" field of the RX
2762 * descriptor. Instead of storing the virtual address, we
2763 * store the physical address
2765 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2766 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2769 /* Refill BM pool */
2770 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2771 dma_addr_t dma_addr,
2772 phys_addr_t phys_addr)
2774 int pool = mvpp2_bm_cookie_pool_get(bm);
2776 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2779 /* Allocate buffers for the pool */
2780 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2781 struct mvpp2_bm_pool *bm_pool, int buf_num)
2786 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2787 netdev_err(port->dev,
2788 "cannot allocate %d buffers for pool %d\n",
2789 buf_num, bm_pool->id);
2793 for (i = 0; i < buf_num; i++) {
2794 mvpp2_bm_pool_put(port, bm_pool->id,
2795 (dma_addr_t)buffer_loc.rx_buffer[i],
2796 (unsigned long)buffer_loc.rx_buffer[i]);
2800 /* Update BM driver with number of buffers added to pool */
2801 bm_pool->buf_num += i;
2806 /* Notify the driver that BM pool is being used as specific type and return the
2807 * pool pointer on success
2809 static struct mvpp2_bm_pool *
2810 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2813 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2816 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2817 netdev_err(port->dev, "mixing pool types is forbidden\n");
2821 if (new_pool->type == MVPP2_BM_FREE)
2822 new_pool->type = type;
2824 /* Allocate buffers in case BM pool is used as long pool, but packet
2825 * size doesn't match MTU or BM pool hasn't being used yet
2827 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2828 (new_pool->pkt_size == 0)) {
2831 /* Set default buffer number or free all the buffers in case
2832 * the pool is not empty
2834 pkts_num = new_pool->buf_num;
2836 pkts_num = type == MVPP2_BM_SWF_LONG ?
2837 MVPP2_BM_LONG_BUF_NUM :
2838 MVPP2_BM_SHORT_BUF_NUM;
2840 mvpp2_bm_bufs_free(NULL,
2841 port->priv, new_pool);
2843 new_pool->pkt_size = pkt_size;
2845 /* Allocate buffers for this pool */
2846 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2847 if (num != pkts_num) {
2848 dev_err(dev, "pool %d: %d of %d allocated\n",
2849 new_pool->id, num, pkts_num);
2857 /* Initialize pools for swf */
2858 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2862 if (!port->pool_long) {
2864 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2867 if (!port->pool_long)
2870 port->pool_long->port_map |= (1 << port->id);
2872 for (rxq = 0; rxq < rxq_number; rxq++)
2873 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2879 /* Port configuration routines */
2881 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2885 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2887 switch (port->phy_interface) {
2888 case PHY_INTERFACE_MODE_SGMII:
2889 val |= MVPP2_GMAC_INBAND_AN_MASK;
2891 case PHY_INTERFACE_MODE_RGMII:
2892 case PHY_INTERFACE_MODE_RGMII_ID:
2893 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2895 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2898 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2901 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2905 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2906 val |= MVPP2_GMAC_FC_ADV_EN;
2907 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2910 static void mvpp2_port_enable(struct mvpp2_port *port)
2914 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2915 val |= MVPP2_GMAC_PORT_EN_MASK;
2916 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2917 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2920 static void mvpp2_port_disable(struct mvpp2_port *port)
2924 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2925 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2926 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2929 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2930 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2934 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2935 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2936 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2939 /* Configure loopback port */
2940 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2944 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2946 if (port->speed == 1000)
2947 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2949 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2951 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII)
2952 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2954 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2956 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2959 static void mvpp2_port_reset(struct mvpp2_port *port)
2963 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2964 ~MVPP2_GMAC_PORT_RESET_MASK;
2965 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2967 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2968 MVPP2_GMAC_PORT_RESET_MASK)
2972 /* Change maximum receive size of the port */
2973 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2977 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2978 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2979 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2980 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2981 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2984 /* PPv2.2 GoP/GMAC config */
2986 /* Set the MAC to reset or exit from reset */
2987 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2991 /* read - modify - write */
2992 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2994 val |= MVPP2_GMAC_PORT_RESET_MASK;
2996 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2997 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3005 * Configure port to working with Gig PCS or don't.
3007 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
3011 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3013 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3015 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3016 /* enable / disable PCS on this port */
3017 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3022 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3026 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3028 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3030 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3031 /* enable / disable PCS on this port */
3032 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3037 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3042 * Configure minimal level of the Tx FIFO before the lower part
3043 * starts to read a packet
3045 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3046 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3047 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3048 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3049 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3051 /* Disable bypass of sync module */
3052 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3053 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3054 /* configure DP clock select according to mode */
3055 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3056 /* configure QSGMII bypass according to mode */
3057 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3058 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3060 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3062 * Configure GIG MAC to 1000Base-X mode connected to a fiber
3065 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3066 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3068 /* configure AN 0x9268 */
3069 val = MVPP2_GMAC_EN_PCS_AN |
3070 MVPP2_GMAC_AN_BYPASS_EN |
3071 MVPP2_GMAC_CONFIG_MII_SPEED |
3072 MVPP2_GMAC_CONFIG_GMII_SPEED |
3073 MVPP2_GMAC_FC_ADV_EN |
3074 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3075 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3076 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3079 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3084 * Configure minimal level of the Tx FIFO before the lower part
3085 * starts to read a packet
3087 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3088 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3089 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3090 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3091 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3093 /* Disable bypass of sync module */
3094 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3095 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3096 /* configure DP clock select according to mode */
3097 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3098 /* configure QSGMII bypass according to mode */
3099 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3100 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3102 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3103 /* configure GIG MAC to SGMII mode */
3104 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3105 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3108 val = MVPP2_GMAC_EN_PCS_AN |
3109 MVPP2_GMAC_AN_BYPASS_EN |
3110 MVPP2_GMAC_AN_SPEED_EN |
3111 MVPP2_GMAC_EN_FC_AN |
3112 MVPP2_GMAC_AN_DUPLEX_EN |
3113 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3114 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3117 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3122 * Configure minimal level of the Tx FIFO before the lower part
3123 * starts to read a packet
3125 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3126 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3127 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3128 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3129 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3131 /* Disable bypass of sync module */
3132 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3133 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3134 /* configure DP clock select according to mode */
3135 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3136 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3137 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3138 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3140 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3141 /* configure GIG MAC to SGMII mode */
3142 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3143 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3145 /* configure AN 0xb8e8 */
3146 val = MVPP2_GMAC_AN_BYPASS_EN |
3147 MVPP2_GMAC_AN_SPEED_EN |
3148 MVPP2_GMAC_EN_FC_AN |
3149 MVPP2_GMAC_AN_DUPLEX_EN |
3150 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3151 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3154 /* Set the internal mux's to the required MAC in the GOP */
3155 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3159 /* Set TX FIFO thresholds */
3160 switch (port->phy_interface) {
3161 case PHY_INTERFACE_MODE_SGMII:
3162 if (port->phy_speed == 2500)
3163 gop_gmac_sgmii2_5_cfg(port);
3165 gop_gmac_sgmii_cfg(port);
3168 case PHY_INTERFACE_MODE_RGMII:
3169 case PHY_INTERFACE_MODE_RGMII_ID:
3170 gop_gmac_rgmii_cfg(port);
3177 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3178 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3179 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3180 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3181 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3183 /* PeriodicXonEn disable */
3184 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3185 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3186 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3191 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3195 /* relevant only for MAC0 (XLG0 and GMAC0) */
3196 if (port->gop_id > 0)
3199 /* configure 1Gig MAC mode */
3200 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3201 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3202 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3203 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3206 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3210 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3212 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3214 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3215 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3220 /* Set the internal mux's to the required PCS in the PI */
3221 static int gop_xpcs_mode(struct mvpp2_port *port, int num_of_lanes)
3226 switch (num_of_lanes) {
3240 /* configure XG MAC mode */
3241 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3242 val &= ~MVPP22_XPCS_PCSMODE_MASK;
3243 val &= ~MVPP22_XPCS_LANEACTIVE_MASK;
3244 val |= (2 * lane) << MVPP22_XPCS_LANEACTIVE_OFFS;
3245 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3250 static int gop_mpcs_mode(struct mvpp2_port *port)
3254 /* configure PCS40G COMMON CONTROL */
3255 val = readl(port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3256 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3257 writel(val, port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3259 /* configure PCS CLOCK RESET */
3260 val = readl(port->priv->mpcs_base + PCS_CLOCK_RESET);
3261 val &= ~CLK_DIVISION_RATIO_MASK;
3262 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3263 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3265 val &= ~CLK_DIV_PHASE_SET_MASK;
3266 val |= MAC_CLK_RESET_MASK;
3267 val |= RX_SD_CLK_RESET_MASK;
3268 val |= TX_SD_CLK_RESET_MASK;
3269 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3274 /* Set the internal mux's to the required MAC in the GOP */
3275 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3279 /* configure 10G MAC mode */
3280 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3281 val |= MVPP22_XLG_RX_FC_EN;
3282 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3284 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3285 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3286 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3287 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3289 /* read - modify - write */
3290 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3291 val &= ~MVPP22_XLG_MODE_DMA_1G;
3292 val |= MVPP22_XLG_FORWARD_PFC_EN;
3293 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3294 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3295 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3297 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3298 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3299 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3300 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3301 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3303 /* unmask link change interrupt */
3304 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3305 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3306 val |= 1; /* unmask summary bit */
3307 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3312 /* Set PCS to reset or exit from reset */
3313 static int gop_xpcs_reset(struct mvpp2_port *port, int reset)
3317 /* read - modify - write */
3318 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3320 val &= ~MVPP22_XPCS_PCSRESET;
3322 val |= MVPP22_XPCS_PCSRESET;
3323 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3328 /* Set the MAC to reset or exit from reset */
3329 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3333 /* read - modify - write */
3334 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3336 val &= ~MVPP22_XLG_MAC_RESETN;
3338 val |= MVPP22_XLG_MAC_RESETN;
3339 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3347 * Init physical port. Configures the port mode and all it's elements
3349 * Does not verify that the selected mode/port number is valid at the
3352 static int gop_port_init(struct mvpp2_port *port)
3354 int mac_num = port->gop_id;
3355 int num_of_act_lanes;
3357 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3358 netdev_err(NULL, "%s: illegal port number %d", __func__,
3363 switch (port->phy_interface) {
3364 case PHY_INTERFACE_MODE_RGMII:
3365 case PHY_INTERFACE_MODE_RGMII_ID:
3366 gop_gmac_reset(port, 1);
3369 gop_gpcs_mode_cfg(port, 0);
3370 gop_bypass_clk_cfg(port, 1);
3373 gop_gmac_mode_cfg(port);
3375 gop_gpcs_reset(port, 0);
3378 gop_gmac_reset(port, 0);
3381 case PHY_INTERFACE_MODE_SGMII:
3383 gop_gpcs_mode_cfg(port, 1);
3386 gop_gmac_mode_cfg(port);
3387 /* select proper Mac mode */
3388 gop_xlg_2_gig_mac_cfg(port);
3391 gop_gpcs_reset(port, 0);
3393 gop_gmac_reset(port, 0);
3396 case PHY_INTERFACE_MODE_SFI:
3397 num_of_act_lanes = 2;
3400 gop_xpcs_mode(port, num_of_act_lanes);
3401 gop_mpcs_mode(port);
3403 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3406 gop_xpcs_reset(port, 0);
3409 gop_xlg_mac_reset(port, 0);
3413 netdev_err(NULL, "%s: Requested port mode (%d) not supported\n",
3414 __func__, port->phy_interface);
3421 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3425 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3427 /* Enable port and MIB counters update */
3428 val |= MVPP22_XLG_PORT_EN;
3429 val &= ~MVPP22_XLG_MIBCNT_DIS;
3432 val &= ~MVPP22_XLG_PORT_EN;
3434 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3437 static void gop_port_enable(struct mvpp2_port *port, int enable)
3439 switch (port->phy_interface) {
3440 case PHY_INTERFACE_MODE_RGMII:
3441 case PHY_INTERFACE_MODE_RGMII_ID:
3442 case PHY_INTERFACE_MODE_SGMII:
3444 mvpp2_port_enable(port);
3446 mvpp2_port_disable(port);
3449 case PHY_INTERFACE_MODE_SFI:
3450 gop_xlg_mac_port_enable(port, enable);
3454 netdev_err(NULL, "%s: Wrong port mode (%d)\n", __func__,
3455 port->phy_interface);
3460 /* RFU1 functions */
3461 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3463 return readl(priv->rfu1_base + offset);
3466 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3468 writel(data, priv->rfu1_base + offset);
3471 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3476 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3477 val |= MV_NETC_GE_MAC2_SGMII;
3481 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3482 val |= MV_NETC_GE_MAC3_SGMII;
3483 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3484 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3485 val |= MV_NETC_GE_MAC3_RGMII;
3491 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3495 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3496 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3498 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3499 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3503 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3506 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3510 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3511 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3513 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3514 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3518 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3521 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3525 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3526 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3528 val <<= NETC_GOP_SOFT_RESET_OFFS;
3529 val &= NETC_GOP_SOFT_RESET_MASK;
3533 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3536 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3540 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3541 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3543 val <<= NETC_CLK_DIV_PHASE_OFFS;
3544 val &= NETC_CLK_DIV_PHASE_MASK;
3548 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3551 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3555 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3556 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3558 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3559 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3563 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3566 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3569 u32 reg, mask, offset;
3572 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3573 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3575 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3576 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3578 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3586 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3589 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3593 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3594 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3596 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3597 val &= NETC_BUS_WIDTH_SELECT_MASK;
3601 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3604 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3608 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3609 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3611 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3612 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3616 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3619 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3620 enum mv_netc_phase phase)
3623 case MV_NETC_FIRST_PHASE:
3624 /* Set Bus Width to HB mode = 1 */
3625 gop_netc_bus_width_select(priv, 1);
3626 /* Select RGMII mode */
3627 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3630 case MV_NETC_SECOND_PHASE:
3631 /* De-assert the relevant port HB reset */
3632 gop_netc_port_rf_reset(priv, gop_id, 1);
3637 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3638 enum mv_netc_phase phase)
3641 case MV_NETC_FIRST_PHASE:
3642 /* Set Bus Width to HB mode = 1 */
3643 gop_netc_bus_width_select(priv, 1);
3644 /* Select SGMII mode */
3646 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3650 /* Configure the sample stages */
3651 gop_netc_sample_stages_timing(priv, 0);
3652 /* Configure the ComPhy Selector */
3653 /* gop_netc_com_phy_selector_config(netComplex); */
3656 case MV_NETC_SECOND_PHASE:
3657 /* De-assert the relevant port HB reset */
3658 gop_netc_port_rf_reset(priv, gop_id, 1);
3663 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3665 u32 c = priv->netc_config;
3667 if (c & MV_NETC_GE_MAC2_SGMII)
3668 gop_netc_mac_to_sgmii(priv, 2, phase);
3670 gop_netc_mac_to_xgmii(priv, 2, phase);
3672 if (c & MV_NETC_GE_MAC3_SGMII) {
3673 gop_netc_mac_to_sgmii(priv, 3, phase);
3675 gop_netc_mac_to_xgmii(priv, 3, phase);
3676 if (c & MV_NETC_GE_MAC3_RGMII)
3677 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3679 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3682 /* Activate gop ports 0, 2, 3 */
3683 gop_netc_active_port(priv, 0, 1);
3684 gop_netc_active_port(priv, 2, 1);
3685 gop_netc_active_port(priv, 3, 1);
3687 if (phase == MV_NETC_SECOND_PHASE) {
3688 /* Enable the GOP internal clock logic */
3689 gop_netc_gop_clock_logic_set(priv, 1);
3690 /* De-assert GOP unit reset */
3691 gop_netc_gop_reset(priv, 1);
3697 /* Set defaults to the MVPP2 port */
3698 static void mvpp2_defaults_set(struct mvpp2_port *port)
3700 int tx_port_num, val, queue, ptxq, lrxq;
3702 if (port->priv->hw_version == MVPP21) {
3703 /* Configure port to loopback if needed */
3704 if (port->flags & MVPP2_F_LOOPBACK)
3705 mvpp2_port_loopback_set(port);
3707 /* Update TX FIFO MIN Threshold */
3708 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3709 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3710 /* Min. TX threshold must be less than minimal packet length */
3711 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3712 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3715 /* Disable Legacy WRR, Disable EJP, Release from reset */
3716 tx_port_num = mvpp2_egress_port(port);
3717 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3719 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3721 /* Close bandwidth for all queues */
3722 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3723 ptxq = mvpp2_txq_phys(port->id, queue);
3724 mvpp2_write(port->priv,
3725 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3728 /* Set refill period to 1 usec, refill tokens
3729 * and bucket size to maximum
3731 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3732 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3733 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3734 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3735 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3736 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3737 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3738 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3740 /* Set MaximumLowLatencyPacketSize value to 256 */
3741 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3742 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3743 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3745 /* Enable Rx cache snoop */
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_SNOOP_PKT_SIZE_MASK |
3750 MVPP2_SNOOP_BUF_HDR_MASK;
3751 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3755 /* Enable/disable receiving packets */
3756 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3761 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3762 queue = port->rxqs[lrxq]->id;
3763 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3764 val &= ~MVPP2_RXQ_DISABLE_MASK;
3765 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3769 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3774 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3775 queue = port->rxqs[lrxq]->id;
3776 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3777 val |= MVPP2_RXQ_DISABLE_MASK;
3778 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3782 /* Enable transmit via physical egress queue
3783 * - HW starts take descriptors from DRAM
3785 static void mvpp2_egress_enable(struct mvpp2_port *port)
3789 int tx_port_num = mvpp2_egress_port(port);
3791 /* Enable all initialized TXs. */
3793 for (queue = 0; queue < txq_number; queue++) {
3794 struct mvpp2_tx_queue *txq = port->txqs[queue];
3796 if (txq->descs != NULL)
3797 qmap |= (1 << queue);
3800 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3801 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3804 /* Disable transmit via physical egress queue
3805 * - HW doesn't take descriptors from DRAM
3807 static void mvpp2_egress_disable(struct mvpp2_port *port)
3811 int tx_port_num = mvpp2_egress_port(port);
3813 /* Issue stop command for active channels only */
3814 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3815 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3816 MVPP2_TXP_SCHED_ENQ_MASK;
3818 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3819 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3821 /* Wait for all Tx activity to terminate. */
3824 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3825 netdev_warn(port->dev,
3826 "Tx stop timed out, status=0x%08x\n",
3833 /* Check port TX Command register that all
3834 * Tx queues are stopped
3836 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3837 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3840 /* Rx descriptors helper methods */
3842 /* Get number of Rx descriptors occupied by received packets */
3844 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3846 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3848 return val & MVPP2_RXQ_OCCUPIED_MASK;
3851 /* Update Rx queue status with the number of occupied and available
3852 * Rx descriptor slots.
3855 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3856 int used_count, int free_count)
3858 /* Decrement the number of used descriptors and increment count
3859 * increment the number of free descriptors.
3861 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3863 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3866 /* Get pointer to next RX descriptor to be processed by SW */
3867 static inline struct mvpp2_rx_desc *
3868 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3870 int rx_desc = rxq->next_desc_to_proc;
3872 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3873 prefetch(rxq->descs + rxq->next_desc_to_proc);
3874 return rxq->descs + rx_desc;
3877 /* Set rx queue offset */
3878 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3879 int prxq, int offset)
3883 /* Convert offset from bytes to units of 32 bytes */
3884 offset = offset >> 5;
3886 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3887 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3890 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3891 MVPP2_RXQ_PACKET_OFFSET_MASK);
3893 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3896 /* Obtain BM cookie information from descriptor */
3897 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3898 struct mvpp2_rx_desc *rx_desc)
3900 int cpu = smp_processor_id();
3903 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3904 MVPP2_RXD_BM_POOL_ID_MASK) >>
3905 MVPP2_RXD_BM_POOL_ID_OFFS;
3907 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3908 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3911 /* Tx descriptors helper methods */
3913 /* Get number of Tx descriptors waiting to be transmitted by HW */
3914 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3915 struct mvpp2_tx_queue *txq)
3919 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3920 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3922 return val & MVPP2_TXQ_PENDING_MASK;
3925 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3926 static struct mvpp2_tx_desc *
3927 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3929 int tx_desc = txq->next_desc_to_proc;
3931 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3932 return txq->descs + tx_desc;
3935 /* Update HW with number of aggregated Tx descriptors to be sent */
3936 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3938 /* aggregated access - relevant TXQ number is written in TX desc */
3939 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3942 /* Get number of sent descriptors and decrement counter.
3943 * The number of sent descriptors is returned.
3946 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
3947 struct mvpp2_tx_queue *txq)
3951 /* Reading status reg resets transmitted descriptor counter */
3952 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
3954 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
3955 MVPP2_TRANSMITTED_COUNT_OFFSET;
3958 static void mvpp2_txq_sent_counter_clear(void *arg)
3960 struct mvpp2_port *port = arg;
3963 for (queue = 0; queue < txq_number; queue++) {
3964 int id = port->txqs[queue]->id;
3966 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
3970 /* Set max sizes for Tx queues */
3971 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
3974 int txq, tx_port_num;
3976 mtu = port->pkt_size * 8;
3977 if (mtu > MVPP2_TXP_MTU_MAX)
3978 mtu = MVPP2_TXP_MTU_MAX;
3980 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
3983 /* Indirect access to registers */
3984 tx_port_num = mvpp2_egress_port(port);
3985 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3988 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
3989 val &= ~MVPP2_TXP_MTU_MAX;
3991 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
3993 /* TXP token size and all TXQs token size must be larger that MTU */
3994 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
3995 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
3998 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
4000 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
4003 for (txq = 0; txq < txq_number; txq++) {
4004 val = mvpp2_read(port->priv,
4005 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
4006 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
4010 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
4012 mvpp2_write(port->priv,
4013 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4019 /* Free Tx queue skbuffs */
4020 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4021 struct mvpp2_tx_queue *txq,
4022 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4026 for (i = 0; i < num; i++)
4027 mvpp2_txq_inc_get(txq_pcpu);
4030 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4033 int queue = fls(cause) - 1;
4035 return port->rxqs[queue];
4038 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4041 int queue = fls(cause) - 1;
4043 return port->txqs[queue];
4046 /* Rx/Tx queue initialization/cleanup methods */
4048 /* Allocate and initialize descriptors for aggr TXQ */
4049 static int mvpp2_aggr_txq_init(struct udevice *dev,
4050 struct mvpp2_tx_queue *aggr_txq,
4051 int desc_num, int cpu,
4056 /* Allocate memory for TX descriptors */
4057 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4058 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4059 if (!aggr_txq->descs)
4062 /* Make sure descriptor address is cache line size aligned */
4063 BUG_ON(aggr_txq->descs !=
4064 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4066 aggr_txq->last_desc = aggr_txq->size - 1;
4068 /* Aggr TXQ no reset WA */
4069 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4070 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4072 /* Set Tx descriptors queue starting address indirect
4075 if (priv->hw_version == MVPP21)
4076 txq_dma = aggr_txq->descs_dma;
4078 txq_dma = aggr_txq->descs_dma >>
4079 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4081 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4082 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4087 /* Create a specified Rx queue */
4088 static int mvpp2_rxq_init(struct mvpp2_port *port,
4089 struct mvpp2_rx_queue *rxq)
4094 rxq->size = port->rx_ring_size;
4096 /* Allocate memory for RX descriptors */
4097 rxq->descs = buffer_loc.rx_descs;
4098 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4102 BUG_ON(rxq->descs !=
4103 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4105 rxq->last_desc = rxq->size - 1;
4107 /* Zero occupied and non-occupied counters - direct access */
4108 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4110 /* Set Rx descriptors queue starting address - indirect access */
4111 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4112 if (port->priv->hw_version == MVPP21)
4113 rxq_dma = rxq->descs_dma;
4115 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4116 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4117 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4118 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4121 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4123 /* Add number of descriptors ready for receiving packets */
4124 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4129 /* Push packets received by the RXQ to BM pool */
4130 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4131 struct mvpp2_rx_queue *rxq)
4135 rx_received = mvpp2_rxq_received(port, rxq->id);
4139 for (i = 0; i < rx_received; i++) {
4140 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4141 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4143 mvpp2_pool_refill(port, bm,
4144 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4145 mvpp2_rxdesc_cookie_get(port, rx_desc));
4147 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4150 /* Cleanup Rx queue */
4151 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4152 struct mvpp2_rx_queue *rxq)
4154 mvpp2_rxq_drop_pkts(port, rxq);
4158 rxq->next_desc_to_proc = 0;
4161 /* Clear Rx descriptors queue starting address and size;
4162 * free descriptor number
4164 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4165 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4166 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4167 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4170 /* Create and initialize a Tx queue */
4171 static int mvpp2_txq_init(struct mvpp2_port *port,
4172 struct mvpp2_tx_queue *txq)
4175 int cpu, desc, desc_per_txq, tx_port_num;
4176 struct mvpp2_txq_pcpu *txq_pcpu;
4178 txq->size = port->tx_ring_size;
4180 /* Allocate memory for Tx descriptors */
4181 txq->descs = buffer_loc.tx_descs;
4182 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4186 /* Make sure descriptor address is cache line size aligned */
4187 BUG_ON(txq->descs !=
4188 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4190 txq->last_desc = txq->size - 1;
4192 /* Set Tx descriptors queue starting address - indirect access */
4193 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4194 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4195 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4196 MVPP2_TXQ_DESC_SIZE_MASK);
4197 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4198 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4199 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4200 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4201 val &= ~MVPP2_TXQ_PENDING_MASK;
4202 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4204 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4205 * for each existing TXQ.
4206 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4207 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4210 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4211 (txq->log_id * desc_per_txq);
4213 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4214 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4215 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4217 /* WRR / EJP configuration - indirect access */
4218 tx_port_num = mvpp2_egress_port(port);
4219 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4221 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4222 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4223 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4224 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4225 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4227 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4228 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4231 for_each_present_cpu(cpu) {
4232 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4233 txq_pcpu->size = txq->size;
4239 /* Free allocated TXQ resources */
4240 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4241 struct mvpp2_tx_queue *txq)
4245 txq->next_desc_to_proc = 0;
4248 /* Set minimum bandwidth for disabled TXQs */
4249 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4251 /* Set Tx descriptors queue starting address and size */
4252 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4253 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4254 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4257 /* Cleanup Tx ports */
4258 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4260 struct mvpp2_txq_pcpu *txq_pcpu;
4261 int delay, pending, cpu;
4264 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4265 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4266 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4267 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4269 /* The napi queue has been stopped so wait for all packets
4270 * to be transmitted.
4274 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4275 netdev_warn(port->dev,
4276 "port %d: cleaning queue %d timed out\n",
4277 port->id, txq->log_id);
4283 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4286 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4287 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4289 for_each_present_cpu(cpu) {
4290 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4292 /* Release all packets */
4293 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4296 txq_pcpu->count = 0;
4297 txq_pcpu->txq_put_index = 0;
4298 txq_pcpu->txq_get_index = 0;
4302 /* Cleanup all Tx queues */
4303 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4305 struct mvpp2_tx_queue *txq;
4309 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4311 /* Reset Tx ports and delete Tx queues */
4312 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4313 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4315 for (queue = 0; queue < txq_number; queue++) {
4316 txq = port->txqs[queue];
4317 mvpp2_txq_clean(port, txq);
4318 mvpp2_txq_deinit(port, txq);
4321 mvpp2_txq_sent_counter_clear(port);
4323 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4324 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4327 /* Cleanup all Rx queues */
4328 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4332 for (queue = 0; queue < rxq_number; queue++)
4333 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4336 /* Init all Rx queues for port */
4337 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4341 for (queue = 0; queue < rxq_number; queue++) {
4342 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4349 mvpp2_cleanup_rxqs(port);
4353 /* Init all tx queues for port */
4354 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4356 struct mvpp2_tx_queue *txq;
4359 for (queue = 0; queue < txq_number; queue++) {
4360 txq = port->txqs[queue];
4361 err = mvpp2_txq_init(port, txq);
4366 mvpp2_txq_sent_counter_clear(port);
4370 mvpp2_cleanup_txqs(port);
4375 static void mvpp2_link_event(struct mvpp2_port *port)
4377 struct phy_device *phydev = port->phy_dev;
4378 int status_change = 0;
4382 if ((port->speed != phydev->speed) ||
4383 (port->duplex != phydev->duplex)) {
4386 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4387 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4388 MVPP2_GMAC_CONFIG_GMII_SPEED |
4389 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4390 MVPP2_GMAC_AN_SPEED_EN |
4391 MVPP2_GMAC_AN_DUPLEX_EN);
4394 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4396 if (phydev->speed == SPEED_1000)
4397 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4398 else if (phydev->speed == SPEED_100)
4399 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4401 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4403 port->duplex = phydev->duplex;
4404 port->speed = phydev->speed;
4408 if (phydev->link != port->link) {
4409 if (!phydev->link) {
4414 port->link = phydev->link;
4418 if (status_change) {
4420 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4421 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4422 MVPP2_GMAC_FORCE_LINK_DOWN);
4423 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4424 mvpp2_egress_enable(port);
4425 mvpp2_ingress_enable(port);
4427 mvpp2_ingress_disable(port);
4428 mvpp2_egress_disable(port);
4433 /* Main RX/TX processing routines */
4435 /* Display more error info */
4436 static void mvpp2_rx_error(struct mvpp2_port *port,
4437 struct mvpp2_rx_desc *rx_desc)
4439 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4440 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4442 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4443 case MVPP2_RXD_ERR_CRC:
4444 netdev_err(port->dev, "bad rx status %08x (crc error), size=%zu\n",
4447 case MVPP2_RXD_ERR_OVERRUN:
4448 netdev_err(port->dev, "bad rx status %08x (overrun error), size=%zu\n",
4451 case MVPP2_RXD_ERR_RESOURCE:
4452 netdev_err(port->dev, "bad rx status %08x (resource error), size=%zu\n",
4458 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4459 static int mvpp2_rx_refill(struct mvpp2_port *port,
4460 struct mvpp2_bm_pool *bm_pool,
4461 u32 bm, dma_addr_t dma_addr)
4463 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4467 /* Set hw internals when starting port */
4468 static void mvpp2_start_dev(struct mvpp2_port *port)
4470 switch (port->phy_interface) {
4471 case PHY_INTERFACE_MODE_RGMII:
4472 case PHY_INTERFACE_MODE_RGMII_ID:
4473 case PHY_INTERFACE_MODE_SGMII:
4474 mvpp2_gmac_max_rx_size_set(port);
4479 mvpp2_txp_max_tx_size_set(port);
4481 if (port->priv->hw_version == MVPP21)
4482 mvpp2_port_enable(port);
4484 gop_port_enable(port, 1);
4487 /* Set hw internals when stopping port */
4488 static void mvpp2_stop_dev(struct mvpp2_port *port)
4490 /* Stop new packets from arriving to RXQs */
4491 mvpp2_ingress_disable(port);
4493 mvpp2_egress_disable(port);
4495 if (port->priv->hw_version == MVPP21)
4496 mvpp2_port_disable(port);
4498 gop_port_enable(port, 0);
4501 static int mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4503 struct phy_device *phy_dev;
4505 if (!port->init || port->link == 0) {
4506 phy_dev = phy_connect(port->priv->bus, port->phyaddr, dev,
4507 port->phy_interface);
4508 port->phy_dev = phy_dev;
4510 netdev_err(port->dev, "cannot connect to phy\n");
4513 phy_dev->supported &= PHY_GBIT_FEATURES;
4514 phy_dev->advertising = phy_dev->supported;
4516 port->phy_dev = phy_dev;
4521 phy_config(phy_dev);
4522 phy_startup(phy_dev);
4523 if (!phy_dev->link) {
4524 printf("%s: No link\n", phy_dev->dev->name);
4530 mvpp2_egress_enable(port);
4531 mvpp2_ingress_enable(port);
4537 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4539 unsigned char mac_bcast[ETH_ALEN] = {
4540 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4543 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4545 netdev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4548 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4549 port->dev_addr, true);
4551 netdev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4554 err = mvpp2_prs_def_flow(port);
4556 netdev_err(dev, "mvpp2_prs_def_flow failed\n");
4560 /* Allocate the Rx/Tx queues */
4561 err = mvpp2_setup_rxqs(port);
4563 netdev_err(port->dev, "cannot allocate Rx queues\n");
4567 err = mvpp2_setup_txqs(port);
4569 netdev_err(port->dev, "cannot allocate Tx queues\n");
4573 if (port->phy_node) {
4574 err = mvpp2_phy_connect(dev, port);
4578 mvpp2_link_event(port);
4580 mvpp2_egress_enable(port);
4581 mvpp2_ingress_enable(port);
4584 mvpp2_start_dev(port);
4589 /* No Device ops here in U-Boot */
4591 /* Driver initialization */
4593 static void mvpp2_port_power_up(struct mvpp2_port *port)
4595 struct mvpp2 *priv = port->priv;
4597 /* On PPv2.2 the GoP / interface configuration has already been done */
4598 if (priv->hw_version == MVPP21)
4599 mvpp2_port_mii_set(port);
4600 mvpp2_port_periodic_xon_disable(port);
4601 if (priv->hw_version == MVPP21)
4602 mvpp2_port_fc_adv_enable(port);
4603 mvpp2_port_reset(port);
4606 /* Initialize port HW */
4607 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4609 struct mvpp2 *priv = port->priv;
4610 struct mvpp2_txq_pcpu *txq_pcpu;
4611 int queue, cpu, err;
4613 if (port->first_rxq + rxq_number >
4614 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4618 mvpp2_egress_disable(port);
4619 if (priv->hw_version == MVPP21)
4620 mvpp2_port_disable(port);
4622 gop_port_enable(port, 0);
4624 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4629 /* Associate physical Tx queues to this port and initialize.
4630 * The mapping is predefined.
4632 for (queue = 0; queue < txq_number; queue++) {
4633 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4634 struct mvpp2_tx_queue *txq;
4636 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4640 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4645 txq->id = queue_phy_id;
4646 txq->log_id = queue;
4647 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4648 for_each_present_cpu(cpu) {
4649 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4650 txq_pcpu->cpu = cpu;
4653 port->txqs[queue] = txq;
4656 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4661 /* Allocate and initialize Rx queue for this port */
4662 for (queue = 0; queue < rxq_number; queue++) {
4663 struct mvpp2_rx_queue *rxq;
4665 /* Map physical Rx queue to port's logical Rx queue */
4666 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4669 /* Map this Rx queue to a physical queue */
4670 rxq->id = port->first_rxq + queue;
4671 rxq->port = port->id;
4672 rxq->logic_rxq = queue;
4674 port->rxqs[queue] = rxq;
4678 /* Create Rx descriptor rings */
4679 for (queue = 0; queue < rxq_number; queue++) {
4680 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4682 rxq->size = port->rx_ring_size;
4683 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4684 rxq->time_coal = MVPP2_RX_COAL_USEC;
4687 mvpp2_ingress_disable(port);
4689 /* Port default configuration */
4690 mvpp2_defaults_set(port);
4692 /* Port's classifier configuration */
4693 mvpp2_cls_oversize_rxq_set(port);
4694 mvpp2_cls_port_config(port);
4696 /* Provide an initial Rx packet size */
4697 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4699 /* Initialize pools for swf */
4700 err = mvpp2_swf_bm_pool_init(port);
4707 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4709 int port_node = dev_of_offset(dev);
4710 const char *phy_mode_str;
4711 int phy_node, mdio_off, cp_node;
4715 phys_addr_t mdio_addr;
4717 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4720 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
4722 dev_err(&pdev->dev, "could not find phy address\n");
4725 mdio_off = fdt_parent_offset(gd->fdt_blob, phy_node);
4727 /* TODO: This WA for mdio issue. U-boot 2017 don't have
4728 * mdio driver and on MACHIATOBin board ports from CP1
4729 * connected to mdio on CP0.
4730 * WA is to get mdio address from phy handler parent
4731 * base address. WA should be removed after
4732 * mdio driver implementation.
4734 mdio_addr = fdtdec_get_uint(gd->fdt_blob,
4735 mdio_off, "reg", 0);
4737 cp_node = fdt_parent_offset(gd->fdt_blob, mdio_off);
4738 mdio_addr |= fdt_get_base_address((void *)gd->fdt_blob,
4741 port->priv->mdio_base = (void *)mdio_addr;
4743 if (port->priv->mdio_base < 0) {
4744 dev_err(&pdev->dev, "could not find mdio base address\n");
4751 phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
4753 phy_mode = phy_get_interface_by_name(phy_mode_str);
4754 if (phy_mode == -1) {
4755 dev_err(&pdev->dev, "incorrect phy mode\n");
4759 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4761 dev_err(&pdev->dev, "missing port-id value\n");
4765 #ifdef CONFIG_DM_GPIO
4766 gpio_request_by_name(dev, "phy-reset-gpios", 0,
4767 &port->phy_reset_gpio, GPIOD_IS_OUT);
4768 gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
4769 &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
4774 * Not sure if this DT property "phy-speed" will get accepted, so
4775 * this might change later
4777 /* Get phy-speed for SGMII 2.5Gbps vs 1Gbps setup */
4778 port->phy_speed = fdtdec_get_int(gd->fdt_blob, port_node,
4782 if (port->priv->hw_version == MVPP21)
4783 port->first_rxq = port->id * rxq_number;
4785 port->first_rxq = port->id * port->priv->max_port_rxqs;
4786 port->phy_node = phy_node;
4787 port->phy_interface = phy_mode;
4788 port->phyaddr = phyaddr;
4793 #ifdef CONFIG_DM_GPIO
4794 /* Port GPIO initialization */
4795 static void mvpp2_gpio_init(struct mvpp2_port *port)
4797 if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
4798 dm_gpio_set_value(&port->phy_reset_gpio, 0);
4800 dm_gpio_set_value(&port->phy_reset_gpio, 1);
4803 if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
4804 dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
4808 /* Ports initialization */
4809 static int mvpp2_port_probe(struct udevice *dev,
4810 struct mvpp2_port *port,
4816 port->tx_ring_size = MVPP2_MAX_TXD;
4817 port->rx_ring_size = MVPP2_MAX_RXD;
4819 err = mvpp2_port_init(dev, port);
4821 dev_err(&pdev->dev, "failed to init port %d\n", port->id);
4824 mvpp2_port_power_up(port);
4826 #ifdef CONFIG_DM_GPIO
4827 mvpp2_gpio_init(port);
4830 priv->port_list[port->id] = port;
4835 /* Initialize decoding windows */
4836 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4842 for (i = 0; i < 6; i++) {
4843 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4844 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4847 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4852 for (i = 0; i < dram->num_cs; i++) {
4853 const struct mbus_dram_window *cs = dram->cs + i;
4855 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4856 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4857 dram->mbus_dram_target_id);
4859 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4860 (cs->size - 1) & 0xffff0000);
4862 win_enable |= (1 << i);
4865 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4868 /* Initialize Rx FIFO's */
4869 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4873 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4874 if (priv->hw_version == MVPP22) {
4877 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4878 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4880 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4881 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4882 } else if (port == 1) {
4884 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4885 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4887 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4888 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4891 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4892 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4894 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4895 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4898 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4899 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4900 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4901 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4905 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4906 MVPP2_RX_FIFO_PORT_MIN_PKT);
4907 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4910 /* Initialize Tx FIFO's */
4911 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4915 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4916 /* Port 0 supports 10KB TX FIFO */
4918 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4919 MVPP22_TX_FIFO_SIZE_MASK;
4921 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4922 MVPP22_TX_FIFO_SIZE_MASK;
4924 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4928 static void mvpp2_axi_init(struct mvpp2 *priv)
4930 u32 val, rdval, wrval;
4932 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4934 /* AXI Bridge Configuration */
4936 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
4937 << MVPP22_AXI_ATTR_CACHE_OFFS;
4938 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4939 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4941 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
4942 << MVPP22_AXI_ATTR_CACHE_OFFS;
4943 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4944 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4947 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
4948 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
4951 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
4952 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
4953 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
4954 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
4957 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
4958 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
4960 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
4961 << MVPP22_AXI_CODE_CACHE_OFFS;
4962 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
4963 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4964 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
4965 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
4967 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
4968 << MVPP22_AXI_CODE_CACHE_OFFS;
4969 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4970 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4972 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
4974 val = MVPP22_AXI_CODE_CACHE_WR_CACHE
4975 << MVPP22_AXI_CODE_CACHE_OFFS;
4976 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4977 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4979 mvpp2_write(priv, MVPP22_AXI_WR_SNOOP_CODE_REG, val);
4982 /* Initialize network controller common part HW */
4983 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
4985 const struct mbus_dram_target_info *dram_target_info;
4989 /* Checks for hardware constraints (U-Boot uses only one rxq) */
4990 if ((rxq_number > priv->max_port_rxqs) ||
4991 (txq_number > MVPP2_MAX_TXQ)) {
4992 dev_err(&pdev->dev, "invalid queue size parameter\n");
4996 if (priv->hw_version == MVPP22)
4997 mvpp2_axi_init(priv);
4999 /* MBUS windows configuration */
5000 dram_target_info = mvebu_mbus_dram_info();
5001 if (dram_target_info)
5002 mvpp2_conf_mbus_windows(dram_target_info, priv);
5005 if (priv->hw_version == MVPP21) {
5006 /* Disable HW PHY polling */
5007 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5008 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
5009 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5011 /* Enable HW PHY polling */
5012 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5013 val |= MVPP22_SMI_POLLING_EN;
5014 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5017 /* Allocate and initialize aggregated TXQs */
5018 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
5019 sizeof(struct mvpp2_tx_queue),
5021 if (!priv->aggr_txqs)
5024 for_each_present_cpu(i) {
5025 priv->aggr_txqs[i].id = i;
5026 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
5027 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
5028 MVPP2_AGGR_TXQ_SIZE, i, priv);
5034 mvpp2_rx_fifo_init(priv);
5037 if (priv->hw_version == MVPP22)
5038 mvpp2_tx_fifo_init(priv);
5040 if (priv->hw_version == MVPP21)
5041 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5042 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5044 /* Allow cache snoop when transmiting packets */
5045 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5047 /* Buffer Manager initialization */
5048 err = mvpp2_bm_init(dev, priv);
5052 /* Parser default initialization */
5053 err = mvpp2_prs_default_init(dev, priv);
5057 /* Classifier default initialization */
5058 mvpp2_cls_init(priv);
5063 /* SMI / MDIO functions */
5065 static int smi_wait_ready(struct mvpp2 *priv)
5067 u32 timeout = MVPP2_SMI_TIMEOUT;
5070 /* wait till the SMI is not busy */
5072 /* read smi register */
5073 smi_reg = readl(priv->mdio_base);
5074 if (timeout-- == 0) {
5075 printf("Error: SMI busy timeout\n");
5078 } while (smi_reg & MVPP2_SMI_BUSY);
5084 * mpp2_mdio_read - miiphy_read callback function.
5086 * Returns 16bit phy register value, or 0xffff on error
5088 static int mpp2_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
5090 struct mvpp2 *priv = bus->priv;
5094 /* check parameters */
5095 if (addr > MVPP2_PHY_ADDR_MASK) {
5096 printf("Error: Invalid PHY address %d\n", addr);
5100 if (reg > MVPP2_PHY_REG_MASK) {
5101 printf("Err: Invalid register offset %d\n", reg);
5105 /* wait till the SMI is not busy */
5106 if (smi_wait_ready(priv) < 0)
5109 /* fill the phy address and regiser offset and read opcode */
5110 smi_reg = (addr << MVPP2_SMI_DEV_ADDR_OFFS)
5111 | (reg << MVPP2_SMI_REG_ADDR_OFFS)
5112 | MVPP2_SMI_OPCODE_READ;
5114 /* write the smi register */
5115 writel(smi_reg, priv->mdio_base);
5117 /* wait till read value is ready */
5118 timeout = MVPP2_SMI_TIMEOUT;
5121 /* read smi register */
5122 smi_reg = readl(priv->mdio_base);
5123 if (timeout-- == 0) {
5124 printf("Err: SMI read ready timeout\n");
5127 } while (!(smi_reg & MVPP2_SMI_READ_VALID));
5129 /* Wait for the data to update in the SMI register */
5130 for (timeout = 0; timeout < MVPP2_SMI_TIMEOUT; timeout++)
5133 return readl(priv->mdio_base) & MVPP2_SMI_DATA_MASK;
5137 * mpp2_mdio_write - miiphy_write callback function.
5139 * Returns 0 if write succeed, -EINVAL on bad parameters
5142 static int mpp2_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
5145 struct mvpp2 *priv = bus->priv;
5148 /* check parameters */
5149 if (addr > MVPP2_PHY_ADDR_MASK) {
5150 printf("Error: Invalid PHY address %d\n", addr);
5154 if (reg > MVPP2_PHY_REG_MASK) {
5155 printf("Err: Invalid register offset %d\n", reg);
5159 /* wait till the SMI is not busy */
5160 if (smi_wait_ready(priv) < 0)
5163 /* fill the phy addr and reg offset and write opcode and data */
5164 smi_reg = value << MVPP2_SMI_DATA_OFFS;
5165 smi_reg |= (addr << MVPP2_SMI_DEV_ADDR_OFFS)
5166 | (reg << MVPP2_SMI_REG_ADDR_OFFS);
5167 smi_reg &= ~MVPP2_SMI_OPCODE_READ;
5169 /* write the smi register */
5170 writel(smi_reg, priv->mdio_base);
5175 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5177 struct mvpp2_port *port = dev_get_priv(dev);
5178 struct mvpp2_rx_desc *rx_desc;
5179 struct mvpp2_bm_pool *bm_pool;
5180 dma_addr_t dma_addr;
5182 int pool, rx_bytes, err;
5184 struct mvpp2_rx_queue *rxq;
5187 /* Process RX packets */
5188 rxq = port->rxqs[0];
5190 /* Get number of received packets and clamp the to-do */
5191 rx_received = mvpp2_rxq_received(port, rxq->id);
5193 /* Return if no packets are received */
5197 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5198 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5199 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5200 rx_bytes -= MVPP2_MH_SIZE;
5201 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5203 bm = mvpp2_bm_cookie_build(port, rx_desc);
5204 pool = mvpp2_bm_cookie_pool_get(bm);
5205 bm_pool = &port->priv->bm_pools[pool];
5207 /* In case of an error, release the requested buffer pointer
5208 * to the Buffer Manager. This request process is controlled
5209 * by the hardware, and the information about the buffer is
5210 * comprised by the RX descriptor.
5212 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5213 mvpp2_rx_error(port, rx_desc);
5214 /* Return the buffer to the pool */
5215 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5219 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5221 netdev_err(port->dev, "failed to refill BM pools\n");
5225 /* Update Rx queue management counters */
5227 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5229 /* give packet to stack - skip on first n bytes */
5230 data = (u8 *)dma_addr + 2 + 32;
5236 * No cache invalidation needed here, since the rx_buffer's are
5237 * located in a uncached memory region
5244 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5246 struct mvpp2_port *port = dev_get_priv(dev);
5247 struct mvpp2_tx_queue *txq, *aggr_txq;
5248 struct mvpp2_tx_desc *tx_desc;
5252 txq = port->txqs[0];
5253 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5255 /* Get a descriptor for the first part of the packet */
5256 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5257 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5258 mvpp2_txdesc_size_set(port, tx_desc, length);
5259 mvpp2_txdesc_offset_set(port, tx_desc,
5260 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5261 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5262 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5263 /* First and Last descriptor */
5264 mvpp2_txdesc_cmd_set(port, tx_desc,
5265 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5266 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5269 flush_dcache_range((unsigned long)packet,
5270 (unsigned long)packet + ALIGN(length, PKTALIGN));
5272 /* Enable transmit */
5274 mvpp2_aggr_txq_pend_desc_add(port, 1);
5276 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5280 if (timeout++ > 10000) {
5281 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5284 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5289 if (timeout++ > 10000) {
5290 printf("timeout: packet not sent\n");
5293 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5299 static int mvpp2_start(struct udevice *dev)
5301 struct eth_pdata *pdata = dev_get_platdata(dev);
5302 struct mvpp2_port *port = dev_get_priv(dev);
5304 /* Load current MAC address */
5305 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5307 /* Reconfigure parser accept the original MAC address */
5308 mvpp2_prs_update_mac_da(port, port->dev_addr);
5310 switch (port->phy_interface) {
5311 case PHY_INTERFACE_MODE_RGMII:
5312 case PHY_INTERFACE_MODE_RGMII_ID:
5313 case PHY_INTERFACE_MODE_SGMII:
5314 mvpp2_port_power_up(port);
5319 mvpp2_open(dev, port);
5324 static void mvpp2_stop(struct udevice *dev)
5326 struct mvpp2_port *port = dev_get_priv(dev);
5328 mvpp2_stop_dev(port);
5329 mvpp2_cleanup_rxqs(port);
5330 mvpp2_cleanup_txqs(port);
5333 static int mvpp22_smi_phy_addr_cfg(struct mvpp2_port *port)
5335 writel(port->phyaddr, port->priv->iface_base +
5336 MVPP22_SMI_PHY_ADDR_REG(port->gop_id));
5341 static int mvpp2_base_probe(struct udevice *dev)
5343 struct mvpp2 *priv = dev_get_priv(dev);
5344 struct mii_dev *bus;
5349 /* Save hw-version */
5350 priv->hw_version = dev_get_driver_data(dev);
5353 * U-Boot special buffer handling:
5355 * Allocate buffer area for descs and rx_buffers. This is only
5356 * done once for all interfaces. As only one interface can
5357 * be active. Make this area DMA-safe by disabling the D-cache
5360 /* Align buffer area for descs and rx_buffers to 1MiB */
5361 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5362 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5363 BD_SPACE, DCACHE_OFF);
5365 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5366 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5368 buffer_loc.tx_descs =
5369 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5370 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5372 buffer_loc.rx_descs =
5373 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5374 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5376 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5377 buffer_loc.bm_pool[i] =
5378 (unsigned long *)((unsigned long)bd_space + size);
5379 if (priv->hw_version == MVPP21)
5380 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5382 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5385 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5386 buffer_loc.rx_buffer[i] =
5387 (unsigned long *)((unsigned long)bd_space + size);
5388 size += RX_BUFFER_SIZE;
5391 /* Clear the complete area so that all descriptors are cleared */
5392 memset(bd_space, 0, size);
5394 /* Save base addresses for later use */
5395 priv->base = (void *)devfdt_get_addr_index(dev, 0);
5396 if (IS_ERR(priv->base))
5397 return PTR_ERR(priv->base);
5399 if (priv->hw_version == MVPP21) {
5400 priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
5401 if (IS_ERR(priv->lms_base))
5402 return PTR_ERR(priv->lms_base);
5404 priv->mdio_base = priv->lms_base + MVPP21_SMI;
5406 priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
5407 if (IS_ERR(priv->iface_base))
5408 return PTR_ERR(priv->iface_base);
5410 priv->mdio_base = priv->iface_base + MVPP22_SMI;
5412 /* Store common base addresses for all ports */
5413 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5414 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5415 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5418 if (priv->hw_version == MVPP21)
5419 priv->max_port_rxqs = 8;
5421 priv->max_port_rxqs = 32;
5423 /* Finally create and register the MDIO bus driver */
5426 printf("Failed to allocate MDIO bus\n");
5430 bus->read = mpp2_mdio_read;
5431 bus->write = mpp2_mdio_write;
5432 snprintf(bus->name, sizeof(bus->name), dev->name);
5433 bus->priv = (void *)priv;
5436 return mdio_register(bus);
5439 static int mvpp2_probe(struct udevice *dev)
5441 struct mvpp2_port *port = dev_get_priv(dev);
5442 struct mvpp2 *priv = dev_get_priv(dev->parent);
5445 /* Only call the probe function for the parent once */
5446 if (!priv->probe_done)
5447 err = mvpp2_base_probe(dev->parent);
5449 port->priv = dev_get_priv(dev->parent);
5451 err = phy_info_parse(dev, port);
5456 * We need the port specific io base addresses at this stage, since
5457 * gop_port_init() accesses these registers
5459 if (priv->hw_version == MVPP21) {
5460 int priv_common_regs_num = 2;
5462 port->base = (void __iomem *)devfdt_get_addr_index(
5463 dev->parent, priv_common_regs_num + port->id);
5464 if (IS_ERR(port->base))
5465 return PTR_ERR(port->base);
5467 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5469 if (port->id == -1) {
5470 dev_err(&pdev->dev, "missing gop-port-id value\n");
5474 port->base = priv->iface_base + MVPP22_PORT_BASE +
5475 port->gop_id * MVPP22_PORT_OFFSET;
5477 /* Set phy address of the port */
5479 mvpp22_smi_phy_addr_cfg(port);
5482 gop_port_init(port);
5485 if (!priv->probe_done) {
5486 /* Initialize network controller */
5487 err = mvpp2_init(dev, priv);
5489 dev_err(&pdev->dev, "failed to initialize controller\n");
5492 priv->num_ports = 0;
5493 priv->probe_done = 1;
5496 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5500 if (priv->hw_version == MVPP22) {
5501 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5502 port->phy_interface);
5504 /* Netcomplex configurations for all ports */
5505 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5506 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5513 * Empty BM pool and stop its activity before the OS is started
5515 static int mvpp2_remove(struct udevice *dev)
5517 struct mvpp2_port *port = dev_get_priv(dev);
5518 struct mvpp2 *priv = port->priv;
5523 if (priv->num_ports)
5526 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
5527 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
5532 static const struct eth_ops mvpp2_ops = {
5533 .start = mvpp2_start,
5539 static struct driver mvpp2_driver = {
5542 .probe = mvpp2_probe,
5543 .remove = mvpp2_remove,
5545 .priv_auto_alloc_size = sizeof(struct mvpp2_port),
5546 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
5547 .flags = DM_FLAG_ACTIVE_DMA,
5551 * Use a MISC device to bind the n instances (child nodes) of the
5552 * network base controller in UCLASS_ETH.
5554 static int mvpp2_base_bind(struct udevice *parent)
5556 const void *blob = gd->fdt_blob;
5557 int node = dev_of_offset(parent);
5558 struct uclass_driver *drv;
5559 struct udevice *dev;
5560 struct eth_pdata *plat;
5566 /* Lookup eth driver */
5567 drv = lists_uclass_lookup(UCLASS_ETH);
5569 puts("Cannot find eth driver\n");
5573 base_id_add = base_id;
5575 fdt_for_each_subnode(subnode, blob, node) {
5576 /* Increment base_id for all subnodes, also the disabled ones */
5579 /* Skip disabled ports */
5580 if (!fdtdec_get_is_enabled(blob, subnode))
5583 plat = calloc(1, sizeof(*plat));
5587 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5590 name = calloc(1, 16);
5595 sprintf(name, "mvpp2-%d", id);
5597 /* Create child device UCLASS_ETH and bind it */
5598 device_bind(parent, &mvpp2_driver, name, plat, subnode, &dev);
5599 dev_set_of_offset(dev, subnode);
5605 static const struct udevice_id mvpp2_ids[] = {
5607 .compatible = "marvell,armada-375-pp2",
5611 .compatible = "marvell,armada-7k-pp22",
5617 U_BOOT_DRIVER(mvpp2_base) = {
5618 .name = "mvpp2_base",
5620 .of_match = mvpp2_ids,
5621 .bind = mvpp2_base_bind,
5622 .priv_auto_alloc_size = sizeof(struct mvpp2),