2 * Driver for Marvell PPv2 network controller for Armada 375 SoC.
4 * Copyright (C) 2014 Marvell
6 * Marcin Wojtas <mw@semihalf.com>
9 * Copyright (C) 2016-2017 Stefan Roese <sr@denx.de>
11 * This file is licensed under the terms of the GNU General Public
12 * License version 2. This program is licensed "as is" without any
13 * warranty of any kind, whether express or implied.
19 #include <asm/cache.h>
20 #include <dm/device-internal.h>
21 #include <dm/device_compat.h>
22 #include <dm/devres.h>
29 #include <linux/bug.h>
30 #include <linux/err.h>
31 #include <linux/errno.h>
35 #include <asm/arch/cpu.h>
36 #include <asm/arch/soc.h>
37 #include <linux/compat.h>
38 #include <linux/libfdt.h>
39 #include <linux/mbus.h>
40 #include <asm-generic/gpio.h>
41 #include <fdt_support.h>
42 #include <linux/mdio.h>
44 DECLARE_GLOBAL_DATA_PTR;
46 #define __verify_pcpu_ptr(ptr) \
48 const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
52 #define VERIFY_PERCPU_PTR(__p) \
54 __verify_pcpu_ptr(__p); \
55 (typeof(*(__p)) __kernel __force *)(__p); \
58 #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
59 #define smp_processor_id() 0
60 #define num_present_cpus() 1
61 #define for_each_present_cpu(cpu) \
62 for ((cpu) = 0; (cpu) < 1; (cpu)++)
64 #define NET_SKB_PAD max(32, MVPP2_CPU_D_CACHE_LINE_SIZE)
66 #define CONFIG_NR_CPUS 1
68 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
69 #define WRAP (2 + ETH_HLEN + 4 + 32)
71 #define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
73 /* RX Fifo Registers */
74 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
75 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
76 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
77 #define MVPP2_RX_FIFO_INIT_REG 0x64
79 /* RX DMA Top Registers */
80 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
81 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
82 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
83 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
84 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
85 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
86 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
87 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
88 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
89 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
90 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
91 #define MVPP2_RXQ_POOL_LONG_OFFS 24
92 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
93 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
94 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
95 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
96 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
98 /* Parser Registers */
99 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
100 #define MVPP2_PRS_PORT_LU_MAX 0xf
101 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
102 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
103 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
104 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
105 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
106 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
107 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
108 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
109 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
110 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
111 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
112 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
113 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
114 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
115 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
117 /* Classifier Registers */
118 #define MVPP2_CLS_MODE_REG 0x1800
119 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
120 #define MVPP2_CLS_PORT_WAY_REG 0x1810
121 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
122 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
123 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
124 #define MVPP2_CLS_LKP_TBL_REG 0x1818
125 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
126 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
127 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
128 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
129 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
130 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
131 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
132 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
133 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
134 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
135 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
136 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
138 /* Descriptor Manager Top Registers */
139 #define MVPP2_RXQ_NUM_REG 0x2040
140 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
141 #define MVPP22_DESC_ADDR_OFFS 8
142 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
143 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
144 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
145 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
146 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
147 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
148 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
149 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
150 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
151 #define MVPP2_RXQ_THRESH_REG 0x204c
152 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
153 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
154 #define MVPP2_RXQ_INDEX_REG 0x2050
155 #define MVPP2_TXQ_NUM_REG 0x2080
156 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
157 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
158 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
159 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
160 #define MVPP2_TXQ_THRESH_REG 0x2094
161 #define MVPP2_TRANSMITTED_THRESH_OFFSET 16
162 #define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
163 #define MVPP2_TXQ_INDEX_REG 0x2098
164 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
165 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
166 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
167 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
168 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
169 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
170 #define MVPP2_TXQ_PENDING_REG 0x20a0
171 #define MVPP2_TXQ_PENDING_MASK 0x3fff
172 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
173 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
174 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
175 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
176 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
177 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
178 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
179 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
180 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
181 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
182 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
183 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
184 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
185 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
186 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
187 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
188 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
190 /* MBUS bridge registers */
191 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
192 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
193 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
194 #define MVPP2_BASE_ADDR_ENABLE 0x4060
196 /* AXI Bridge Registers */
197 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
198 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
199 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
200 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
201 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
202 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
203 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
204 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
205 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
206 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
207 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
208 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
210 /* Values for AXI Bridge registers */
211 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
212 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
214 #define MVPP22_AXI_CODE_CACHE_OFFS 0
215 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
217 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
218 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
219 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
221 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
222 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
224 /* Interrupt Cause and Mask registers */
225 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
226 #define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
228 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
229 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
230 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
231 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
233 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
234 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
236 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
237 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
238 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
239 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
241 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
242 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
243 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
244 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
245 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
246 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
247 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
248 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
249 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
250 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
251 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
252 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
253 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
254 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
255 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
256 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
257 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
258 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
260 /* Buffer Manager registers */
261 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
262 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
263 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
264 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
265 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
266 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
267 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
268 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
269 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
270 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
271 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
272 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
273 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
274 #define MVPP2_BM_START_MASK BIT(0)
275 #define MVPP2_BM_STOP_MASK BIT(1)
276 #define MVPP2_BM_STATE_MASK BIT(4)
277 #define MVPP2_BM_LOW_THRESH_OFFS 8
278 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
279 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
280 MVPP2_BM_LOW_THRESH_OFFS)
281 #define MVPP2_BM_HIGH_THRESH_OFFS 16
282 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
283 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
284 MVPP2_BM_HIGH_THRESH_OFFS)
285 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
286 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
287 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
288 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
289 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
290 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
291 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
292 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
293 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
294 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
295 #define MVPP2_BM_ADDR_HIGH_ALLOC 0x6444
296 #define MVPP2_BM_ADDR_HIGH_PHYS_MASK 0xff
297 #define MVPP2_BM_ADDR_HIGH_VIRT_MASK 0xff00
298 #define MVPP2_BM_ADDR_HIGH_VIRT_SHIFT 8
299 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
300 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
301 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
302 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
303 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
304 #define MVPP21_BM_MC_RLS_REG 0x64c4
305 #define MVPP2_BM_MC_ID_MASK 0xfff
306 #define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
307 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
308 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
309 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
310 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
311 #define MVPP22_BM_MC_RLS_REG 0x64d4
312 #define MVPP22_BM_POOL_BASE_HIGH_REG 0x6310
313 #define MVPP22_BM_POOL_BASE_HIGH_MASK 0xff
315 /* TX Scheduler registers */
316 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
317 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
318 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
319 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
320 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
321 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
322 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
323 #define MVPP2_TXP_MTU_MAX 0x7FFFF
324 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
325 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
326 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
327 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
328 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
329 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
330 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
331 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
332 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
333 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
334 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
335 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
336 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
337 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
339 /* TX general registers */
340 #define MVPP2_TX_SNOOP_REG 0x8800
341 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
342 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
345 #define MVPP2_SRC_ADDR_MIDDLE 0x24
346 #define MVPP2_SRC_ADDR_HIGH 0x28
347 #define MVPP2_PHY_AN_CFG0_REG 0x34
348 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
349 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
350 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
352 /* Per-port registers */
353 #define MVPP2_GMAC_CTRL_0_REG 0x0
354 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
355 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
356 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
357 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
358 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
359 #define MVPP2_GMAC_CTRL_1_REG 0x4
360 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
361 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
362 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
363 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
364 #define MVPP2_GMAC_SA_LOW_OFFS 7
365 #define MVPP2_GMAC_CTRL_2_REG 0x8
366 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
367 #define MVPP2_GMAC_SGMII_MODE_MASK BIT(0)
368 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
369 #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4)
370 #define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5)
371 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
372 #define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9)
373 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
374 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
375 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
376 #define MVPP2_GMAC_EN_PCS_AN BIT(2)
377 #define MVPP2_GMAC_AN_BYPASS_EN BIT(3)
378 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
379 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
380 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
381 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
382 #define MVPP2_GMAC_EN_FC_AN BIT(11)
383 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
384 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
385 #define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15)
386 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
387 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
388 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
389 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
390 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
391 #define MVPP2_GMAC_CTRL_4_REG 0x90
392 #define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0)
393 #define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5)
394 #define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6)
395 #define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7)
398 * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
399 * relative to port->base.
402 /* Port Mac Control0 */
403 #define MVPP22_XLG_CTRL0_REG 0x100
404 #define MVPP22_XLG_PORT_EN BIT(0)
405 #define MVPP22_XLG_MAC_RESETN BIT(1)
406 #define MVPP22_XLG_RX_FC_EN BIT(7)
407 #define MVPP22_XLG_MIBCNT_DIS BIT(13)
408 /* Port Mac Control1 */
409 #define MVPP22_XLG_CTRL1_REG 0x104
410 #define MVPP22_XLG_MAX_RX_SIZE_OFFS 0
411 #define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff
412 /* Port Interrupt Mask */
413 #define MVPP22_XLG_INTERRUPT_MASK_REG 0x118
414 #define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1)
415 /* Port Mac Control3 */
416 #define MVPP22_XLG_CTRL3_REG 0x11c
417 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
418 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
419 #define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13)
420 /* Port Mac Control4 */
421 #define MVPP22_XLG_CTRL4_REG 0x184
422 #define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5)
423 #define MVPP22_XLG_FORWARD_PFC_EN BIT(6)
424 #define MVPP22_XLG_MODE_DMA_1G BIT(12)
425 #define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14)
429 /* Global Configuration 0 */
430 #define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0
431 #define MVPP22_XPCS_PCSRESET BIT(0)
432 #define MVPP22_XPCS_PCSMODE_OFFS 3
433 #define MVPP22_XPCS_PCSMODE_MASK (0x3 << \
434 MVPP22_XPCS_PCSMODE_OFFS)
435 #define MVPP22_XPCS_LANEACTIVE_OFFS 5
436 #define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \
437 MVPP22_XPCS_LANEACTIVE_OFFS)
441 #define PCS40G_COMMON_CONTROL 0x14
442 #define FORWARD_ERROR_CORRECTION_MASK BIT(10)
444 #define PCS_CLOCK_RESET 0x14c
445 #define TX_SD_CLK_RESET_MASK BIT(0)
446 #define RX_SD_CLK_RESET_MASK BIT(1)
447 #define MAC_CLK_RESET_MASK BIT(2)
448 #define CLK_DIVISION_RATIO_OFFS 4
449 #define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS)
450 #define CLK_DIV_PHASE_SET_MASK BIT(11)
452 /* System Soft Reset 1 */
453 #define GOP_SOFT_RESET_1_REG 0x108
454 #define NETC_GOP_SOFT_RESET_OFFS 6
455 #define NETC_GOP_SOFT_RESET_MASK (0x1 << \
456 NETC_GOP_SOFT_RESET_OFFS)
458 /* Ports Control 0 */
459 #define NETCOMP_PORTS_CONTROL_0_REG 0x110
460 #define NETC_BUS_WIDTH_SELECT_OFFS 1
461 #define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \
462 NETC_BUS_WIDTH_SELECT_OFFS)
463 #define NETC_GIG_RX_DATA_SAMPLE_OFFS 29
464 #define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \
465 NETC_GIG_RX_DATA_SAMPLE_OFFS)
466 #define NETC_CLK_DIV_PHASE_OFFS 31
467 #define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS)
468 /* Ports Control 1 */
469 #define NETCOMP_PORTS_CONTROL_1_REG 0x114
470 #define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p)
471 #define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \
472 NETC_PORTS_ACTIVE_OFFSET(p))
473 #define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p)
474 #define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \
475 NETC_PORT_GIG_RF_RESET_OFFS(p))
476 #define NETCOMP_CONTROL_0_REG 0x120
477 #define NETC_GBE_PORT0_SGMII_MODE_OFFS 0
478 #define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \
479 NETC_GBE_PORT0_SGMII_MODE_OFFS)
480 #define NETC_GBE_PORT1_SGMII_MODE_OFFS 1
481 #define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \
482 NETC_GBE_PORT1_SGMII_MODE_OFFS)
483 #define NETC_GBE_PORT1_MII_MODE_OFFS 2
484 #define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \
485 NETC_GBE_PORT1_MII_MODE_OFFS)
487 #define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04)
488 #define MVPP22_SMI_POLLING_EN BIT(10)
490 #define MVPP22_SMI_PHY_ADDR_REG(port) (MVPP22_SMI + 0x04 + \
493 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
495 /* Descriptor ring Macros */
496 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
497 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
499 /* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
500 #define MVPP22_SMI 0x1200
502 /* Additional PPv2.2 offsets */
503 #define MVPP22_MPCS 0x007000
504 #define MVPP22_XPCS 0x007400
505 #define MVPP22_PORT_BASE 0x007e00
506 #define MVPP22_PORT_OFFSET 0x001000
507 #define MVPP22_RFU1 0x318000
509 /* Maximum number of ports */
510 #define MVPP22_GOP_MAC_NUM 4
512 /* Sets the field located at the specified in data */
513 #define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41
514 #define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5
515 #define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb
518 enum mv_netc_topology {
519 MV_NETC_GE_MAC2_SGMII = BIT(0),
520 MV_NETC_GE_MAC3_SGMII = BIT(1),
521 MV_NETC_GE_MAC3_RGMII = BIT(2),
526 MV_NETC_SECOND_PHASE,
529 enum mv_netc_sgmii_xmi_mode {
534 enum mv_netc_mii_mode {
544 /* Various constants */
547 #define MVPP2_TXDONE_COAL_PKTS_THRESH 15
548 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
549 #define MVPP2_RX_COAL_PKTS 32
550 #define MVPP2_RX_COAL_USEC 100
552 /* The two bytes Marvell header. Either contains a special value used
553 * by Marvell switches when a specific hardware mode is enabled (not
554 * supported by this driver) or is filled automatically by zeroes on
555 * the RX side. Those two bytes being at the front of the Ethernet
556 * header, they allow to have the IP header aligned on a 4 bytes
557 * boundary automatically: the hardware skips those two bytes on its
560 #define MVPP2_MH_SIZE 2
561 #define MVPP2_ETH_TYPE_LEN 2
562 #define MVPP2_PPPOE_HDR_SIZE 8
563 #define MVPP2_VLAN_TAG_LEN 4
565 /* Lbtd 802.3 type */
566 #define MVPP2_IP_LBDT_TYPE 0xfffa
568 #define MVPP2_CPU_D_CACHE_LINE_SIZE 32
569 #define MVPP2_TX_CSUM_MAX_SIZE 9800
571 /* Timeout constants */
572 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
573 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
575 #define MVPP2_TX_MTU_MAX 0x7ffff
577 /* Maximum number of T-CONTs of PON port */
578 #define MVPP2_MAX_TCONT 16
580 /* Maximum number of supported ports */
581 #define MVPP2_MAX_PORTS 4
583 /* Maximum number of TXQs used by single port */
584 #define MVPP2_MAX_TXQ 8
586 /* Default number of TXQs in use */
587 #define MVPP2_DEFAULT_TXQ 1
589 /* Default number of RXQs in use */
590 #define MVPP2_DEFAULT_RXQ 1
591 #define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
593 /* Max number of Rx descriptors */
594 #define MVPP2_MAX_RXD 16
596 /* Max number of Tx descriptors */
597 #define MVPP2_MAX_TXD 16
599 /* Amount of Tx descriptors that can be reserved at once by CPU */
600 #define MVPP2_CPU_DESC_CHUNK 16
602 /* Max number of Tx descriptors in each aggregated queue */
603 #define MVPP2_AGGR_TXQ_SIZE 16
605 /* Descriptor aligned size */
606 #define MVPP2_DESC_ALIGNED_SIZE 32
608 /* Descriptor alignment mask */
609 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
611 /* RX FIFO constants */
612 #define MVPP21_RX_FIFO_PORT_DATA_SIZE 0x2000
613 #define MVPP21_RX_FIFO_PORT_ATTR_SIZE 0x80
614 #define MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE 0x8000
615 #define MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE 0x2000
616 #define MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE 0x1000
617 #define MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE 0x200
618 #define MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE 0x80
619 #define MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE 0x40
620 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
622 /* TX general registers */
623 #define MVPP22_TX_FIFO_SIZE_REG(eth_tx_port) (0x8860 + ((eth_tx_port) << 2))
624 #define MVPP22_TX_FIFO_SIZE_MASK 0xf
626 /* TX FIFO constants */
627 #define MVPP2_TX_FIFO_DATA_SIZE_10KB 0xa
628 #define MVPP2_TX_FIFO_DATA_SIZE_3KB 0x3
630 /* RX buffer constants */
631 #define MVPP2_SKB_SHINFO_SIZE \
634 #define MVPP2_RX_PKT_SIZE(mtu) \
635 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
636 ETH_HLEN + ETH_FCS_LEN, MVPP2_CPU_D_CACHE_LINE_SIZE)
638 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
639 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
640 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
641 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
643 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
645 /* IPv6 max L3 address size */
646 #define MVPP2_MAX_L3_ADDR_SIZE 16
649 #define MVPP2_F_LOOPBACK BIT(0)
651 /* Marvell tag types */
652 enum mvpp2_tag_type {
653 MVPP2_TAG_TYPE_NONE = 0,
654 MVPP2_TAG_TYPE_MH = 1,
655 MVPP2_TAG_TYPE_DSA = 2,
656 MVPP2_TAG_TYPE_EDSA = 3,
657 MVPP2_TAG_TYPE_VLAN = 4,
658 MVPP2_TAG_TYPE_LAST = 5
661 /* Parser constants */
662 #define MVPP2_PRS_TCAM_SRAM_SIZE 256
663 #define MVPP2_PRS_TCAM_WORDS 6
664 #define MVPP2_PRS_SRAM_WORDS 4
665 #define MVPP2_PRS_FLOW_ID_SIZE 64
666 #define MVPP2_PRS_FLOW_ID_MASK 0x3f
667 #define MVPP2_PRS_TCAM_ENTRY_INVALID 1
668 #define MVPP2_PRS_TCAM_DSA_TAGGED_BIT BIT(5)
669 #define MVPP2_PRS_IPV4_HEAD 0x40
670 #define MVPP2_PRS_IPV4_HEAD_MASK 0xf0
671 #define MVPP2_PRS_IPV4_MC 0xe0
672 #define MVPP2_PRS_IPV4_MC_MASK 0xf0
673 #define MVPP2_PRS_IPV4_BC_MASK 0xff
674 #define MVPP2_PRS_IPV4_IHL 0x5
675 #define MVPP2_PRS_IPV4_IHL_MASK 0xf
676 #define MVPP2_PRS_IPV6_MC 0xff
677 #define MVPP2_PRS_IPV6_MC_MASK 0xff
678 #define MVPP2_PRS_IPV6_HOP_MASK 0xff
679 #define MVPP2_PRS_TCAM_PROTO_MASK 0xff
680 #define MVPP2_PRS_TCAM_PROTO_MASK_L 0x3f
681 #define MVPP2_PRS_DBL_VLANS_MAX 100
684 * - lookup ID - 4 bits
686 * - additional information - 1 byte
687 * - header data - 8 bytes
688 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
690 #define MVPP2_PRS_AI_BITS 8
691 #define MVPP2_PRS_PORT_MASK 0xff
692 #define MVPP2_PRS_LU_MASK 0xf
693 #define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
694 (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
695 #define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
696 (((offs) * 2) - ((offs) % 2) + 2)
697 #define MVPP2_PRS_TCAM_AI_BYTE 16
698 #define MVPP2_PRS_TCAM_PORT_BYTE 17
699 #define MVPP2_PRS_TCAM_LU_BYTE 20
700 #define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
701 #define MVPP2_PRS_TCAM_INV_WORD 5
702 /* Tcam entries ID */
703 #define MVPP2_PE_DROP_ALL 0
704 #define MVPP2_PE_FIRST_FREE_TID 1
705 #define MVPP2_PE_LAST_FREE_TID (MVPP2_PRS_TCAM_SRAM_SIZE - 31)
706 #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30)
707 #define MVPP2_PE_MAC_MC_IP6 (MVPP2_PRS_TCAM_SRAM_SIZE - 29)
708 #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
709 #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 27)
710 #define MVPP2_PE_LAST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 26)
711 #define MVPP2_PE_FIRST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 19)
712 #define MVPP2_PE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 18)
713 #define MVPP2_PE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 17)
714 #define MVPP2_PE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 16)
715 #define MVPP2_PE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 15)
716 #define MVPP2_PE_ETYPE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 14)
717 #define MVPP2_PE_ETYPE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 13)
718 #define MVPP2_PE_ETYPE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 12)
719 #define MVPP2_PE_ETYPE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 11)
720 #define MVPP2_PE_MH_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 10)
721 #define MVPP2_PE_DSA_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 9)
722 #define MVPP2_PE_IP6_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 8)
723 #define MVPP2_PE_IP4_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 7)
724 #define MVPP2_PE_ETH_TYPE_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 6)
725 #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 5)
726 #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 4)
727 #define MVPP2_PE_MAC_MC_ALL (MVPP2_PRS_TCAM_SRAM_SIZE - 3)
728 #define MVPP2_PE_MAC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2)
729 #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1)
732 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(3)->(0).
734 #define MVPP2_PRS_SRAM_RI_OFFS 0
735 #define MVPP2_PRS_SRAM_RI_WORD 0
736 #define MVPP2_PRS_SRAM_RI_CTRL_OFFS 32
737 #define MVPP2_PRS_SRAM_RI_CTRL_WORD 1
738 #define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
739 #define MVPP2_PRS_SRAM_SHIFT_OFFS 64
740 #define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
741 #define MVPP2_PRS_SRAM_UDF_OFFS 73
742 #define MVPP2_PRS_SRAM_UDF_BITS 8
743 #define MVPP2_PRS_SRAM_UDF_MASK 0xff
744 #define MVPP2_PRS_SRAM_UDF_SIGN_BIT 81
745 #define MVPP2_PRS_SRAM_UDF_TYPE_OFFS 82
746 #define MVPP2_PRS_SRAM_UDF_TYPE_MASK 0x7
747 #define MVPP2_PRS_SRAM_UDF_TYPE_L3 1
748 #define MVPP2_PRS_SRAM_UDF_TYPE_L4 4
749 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS 85
750 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK 0x3
751 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD 1
752 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP4_ADD 2
753 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP6_ADD 3
754 #define MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS 87
755 #define MVPP2_PRS_SRAM_OP_SEL_UDF_BITS 2
756 #define MVPP2_PRS_SRAM_OP_SEL_UDF_MASK 0x3
757 #define MVPP2_PRS_SRAM_OP_SEL_UDF_ADD 0
758 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP4_ADD 2
759 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP6_ADD 3
760 #define MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS 89
761 #define MVPP2_PRS_SRAM_AI_OFFS 90
762 #define MVPP2_PRS_SRAM_AI_CTRL_OFFS 98
763 #define MVPP2_PRS_SRAM_AI_CTRL_BITS 8
764 #define MVPP2_PRS_SRAM_AI_MASK 0xff
765 #define MVPP2_PRS_SRAM_NEXT_LU_OFFS 106
766 #define MVPP2_PRS_SRAM_NEXT_LU_MASK 0xf
767 #define MVPP2_PRS_SRAM_LU_DONE_BIT 110
768 #define MVPP2_PRS_SRAM_LU_GEN_BIT 111
770 /* Sram result info bits assignment */
771 #define MVPP2_PRS_RI_MAC_ME_MASK 0x1
772 #define MVPP2_PRS_RI_DSA_MASK 0x2
773 #define MVPP2_PRS_RI_VLAN_MASK (BIT(2) | BIT(3))
774 #define MVPP2_PRS_RI_VLAN_NONE 0x0
775 #define MVPP2_PRS_RI_VLAN_SINGLE BIT(2)
776 #define MVPP2_PRS_RI_VLAN_DOUBLE BIT(3)
777 #define MVPP2_PRS_RI_VLAN_TRIPLE (BIT(2) | BIT(3))
778 #define MVPP2_PRS_RI_CPU_CODE_MASK 0x70
779 #define MVPP2_PRS_RI_CPU_CODE_RX_SPEC BIT(4)
780 #define MVPP2_PRS_RI_L2_CAST_MASK (BIT(9) | BIT(10))
781 #define MVPP2_PRS_RI_L2_UCAST 0x0
782 #define MVPP2_PRS_RI_L2_MCAST BIT(9)
783 #define MVPP2_PRS_RI_L2_BCAST BIT(10)
784 #define MVPP2_PRS_RI_PPPOE_MASK 0x800
785 #define MVPP2_PRS_RI_L3_PROTO_MASK (BIT(12) | BIT(13) | BIT(14))
786 #define MVPP2_PRS_RI_L3_UN 0x0
787 #define MVPP2_PRS_RI_L3_IP4 BIT(12)
788 #define MVPP2_PRS_RI_L3_IP4_OPT BIT(13)
789 #define MVPP2_PRS_RI_L3_IP4_OTHER (BIT(12) | BIT(13))
790 #define MVPP2_PRS_RI_L3_IP6 BIT(14)
791 #define MVPP2_PRS_RI_L3_IP6_EXT (BIT(12) | BIT(14))
792 #define MVPP2_PRS_RI_L3_ARP (BIT(13) | BIT(14))
793 #define MVPP2_PRS_RI_L3_ADDR_MASK (BIT(15) | BIT(16))
794 #define MVPP2_PRS_RI_L3_UCAST 0x0
795 #define MVPP2_PRS_RI_L3_MCAST BIT(15)
796 #define MVPP2_PRS_RI_L3_BCAST (BIT(15) | BIT(16))
797 #define MVPP2_PRS_RI_IP_FRAG_MASK 0x20000
798 #define MVPP2_PRS_RI_UDF3_MASK 0x300000
799 #define MVPP2_PRS_RI_UDF3_RX_SPECIAL BIT(21)
800 #define MVPP2_PRS_RI_L4_PROTO_MASK 0x1c00000
801 #define MVPP2_PRS_RI_L4_TCP BIT(22)
802 #define MVPP2_PRS_RI_L4_UDP BIT(23)
803 #define MVPP2_PRS_RI_L4_OTHER (BIT(22) | BIT(23))
804 #define MVPP2_PRS_RI_UDF7_MASK 0x60000000
805 #define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
806 #define MVPP2_PRS_RI_DROP_MASK 0x80000000
808 /* Sram additional info bits assignment */
809 #define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
810 #define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
811 #define MVPP2_PRS_IPV6_EXT_AI_BIT BIT(1)
812 #define MVPP2_PRS_IPV6_EXT_AH_AI_BIT BIT(2)
813 #define MVPP2_PRS_IPV6_EXT_AH_LEN_AI_BIT BIT(3)
814 #define MVPP2_PRS_IPV6_EXT_AH_L4_AI_BIT BIT(4)
815 #define MVPP2_PRS_SINGLE_VLAN_AI 0
816 #define MVPP2_PRS_DBL_VLAN_AI_BIT BIT(7)
819 #define MVPP2_PRS_TAGGED true
820 #define MVPP2_PRS_UNTAGGED false
821 #define MVPP2_PRS_EDSA true
822 #define MVPP2_PRS_DSA false
824 /* MAC entries, shadow udf */
826 MVPP2_PRS_UDF_MAC_DEF,
827 MVPP2_PRS_UDF_MAC_RANGE,
828 MVPP2_PRS_UDF_L2_DEF,
829 MVPP2_PRS_UDF_L2_DEF_COPY,
830 MVPP2_PRS_UDF_L2_USER,
834 enum mvpp2_prs_lookup {
848 enum mvpp2_prs_l3_cast {
849 MVPP2_PRS_L3_UNI_CAST,
850 MVPP2_PRS_L3_MULTI_CAST,
851 MVPP2_PRS_L3_BROAD_CAST
854 /* Classifier constants */
855 #define MVPP2_CLS_FLOWS_TBL_SIZE 512
856 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3
857 #define MVPP2_CLS_LKP_TBL_SIZE 64
860 #define MVPP2_BM_POOLS_NUM 1
861 #define MVPP2_BM_LONG_BUF_NUM 16
862 #define MVPP2_BM_SHORT_BUF_NUM 16
863 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
864 #define MVPP2_BM_POOL_PTR_ALIGN 128
865 #define MVPP2_BM_SWF_LONG_POOL(port) 0
867 /* BM cookie (32 bits) definition */
868 #define MVPP2_BM_COOKIE_POOL_OFFS 8
869 #define MVPP2_BM_COOKIE_CPU_OFFS 24
871 /* BM short pool packet size
872 * These value assure that for SWF the total number
873 * of bytes allocated for each buffer will be 512
875 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
885 /* Shared Packet Processor resources */
887 /* Shared registers' base addresses */
889 void __iomem *lms_base;
890 void __iomem *iface_base;
892 void __iomem *mpcs_base;
893 void __iomem *xpcs_base;
894 void __iomem *rfu1_base;
898 /* List of pointers to port structures */
899 struct mvpp2_port **port_list;
901 /* Aggregated TXQs */
902 struct mvpp2_tx_queue *aggr_txqs;
905 struct mvpp2_bm_pool *bm_pools;
907 /* PRS shadow table */
908 struct mvpp2_prs_shadow *prs_shadow;
909 /* PRS auxiliary table for double vlan entries control */
910 bool *prs_double_vlans;
916 enum { MVPP21, MVPP22 } hw_version;
918 /* Maximum number of RXQs per port */
919 unsigned int max_port_rxqs;
925 struct mvpp2_pcpu_stats {
935 /* Index of the port from the "group of ports" complex point
944 /* Per-port registers' base address */
947 struct mvpp2_rx_queue **rxqs;
948 struct mvpp2_tx_queue **txqs;
952 u32 pending_cause_rx;
954 /* Per-CPU port control */
955 struct mvpp2_port_pcpu __percpu *pcpu;
962 struct mvpp2_pcpu_stats __percpu *stats;
964 struct phy_device *phy_dev;
965 phy_interface_t phy_interface;
967 struct udevice *mdio_dev;
969 #if CONFIG_IS_ENABLED(DM_GPIO)
970 struct gpio_desc phy_reset_gpio;
971 struct gpio_desc phy_tx_disable_gpio;
978 unsigned int phy_speed; /* SGMII 1Gbps vs 2.5Gbps */
980 struct mvpp2_bm_pool *pool_long;
981 struct mvpp2_bm_pool *pool_short;
983 /* Index of first port's physical RXQ */
986 u8 dev_addr[ETH_ALEN];
989 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
990 * layout of the transmit and reception DMA descriptors, and their
991 * layout is therefore defined by the hardware design
994 #define MVPP2_TXD_L3_OFF_SHIFT 0
995 #define MVPP2_TXD_IP_HLEN_SHIFT 8
996 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
997 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
998 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
999 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
1000 #define MVPP2_TXD_L4_UDP BIT(24)
1001 #define MVPP2_TXD_L3_IP6 BIT(26)
1002 #define MVPP2_TXD_L_DESC BIT(28)
1003 #define MVPP2_TXD_F_DESC BIT(29)
1005 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
1006 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
1007 #define MVPP2_RXD_ERR_CRC 0x0
1008 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
1009 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
1010 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
1011 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
1012 #define MVPP2_RXD_HWF_SYNC BIT(21)
1013 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
1014 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
1015 #define MVPP2_RXD_L4_TCP BIT(25)
1016 #define MVPP2_RXD_L4_UDP BIT(26)
1017 #define MVPP2_RXD_L3_IP4 BIT(28)
1018 #define MVPP2_RXD_L3_IP6 BIT(30)
1019 #define MVPP2_RXD_BUF_HDR BIT(31)
1021 /* HW TX descriptor for PPv2.1 */
1022 struct mvpp21_tx_desc {
1023 u32 command; /* Options used by HW for packet transmitting.*/
1024 u8 packet_offset; /* the offset from the buffer beginning */
1025 u8 phys_txq; /* destination queue ID */
1026 u16 data_size; /* data size of transmitted packet in bytes */
1027 u32 buf_dma_addr; /* physical addr of transmitted buffer */
1028 u32 buf_cookie; /* cookie for access to TX buffer in tx path */
1029 u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
1030 u32 reserved2; /* reserved (for future use) */
1033 /* HW RX descriptor for PPv2.1 */
1034 struct mvpp21_rx_desc {
1035 u32 status; /* info about received packet */
1036 u16 reserved1; /* parser_info (for future use, PnC) */
1037 u16 data_size; /* size of received packet in bytes */
1038 u32 buf_dma_addr; /* physical address of the buffer */
1039 u32 buf_cookie; /* cookie for access to RX buffer in rx path */
1040 u16 reserved2; /* gem_port_id (for future use, PON) */
1041 u16 reserved3; /* csum_l4 (for future use, PnC) */
1042 u8 reserved4; /* bm_qset (for future use, BM) */
1044 u16 reserved6; /* classify_info (for future use, PnC) */
1045 u32 reserved7; /* flow_id (for future use, PnC) */
1049 /* HW TX descriptor for PPv2.2 */
1050 struct mvpp22_tx_desc {
1056 u64 buf_dma_addr_ptp;
1057 u64 buf_cookie_misc;
1060 /* HW RX descriptor for PPv2.2 */
1061 struct mvpp22_rx_desc {
1067 u64 buf_dma_addr_key_hash;
1068 u64 buf_cookie_misc;
1071 /* Opaque type used by the driver to manipulate the HW TX and RX
1074 struct mvpp2_tx_desc {
1076 struct mvpp21_tx_desc pp21;
1077 struct mvpp22_tx_desc pp22;
1081 struct mvpp2_rx_desc {
1083 struct mvpp21_rx_desc pp21;
1084 struct mvpp22_rx_desc pp22;
1088 /* Per-CPU Tx queue control */
1089 struct mvpp2_txq_pcpu {
1092 /* Number of Tx DMA descriptors in the descriptor ring */
1095 /* Number of currently used Tx DMA descriptor in the
1100 /* Number of Tx DMA descriptors reserved for each CPU */
1103 /* Index of last TX DMA descriptor that was inserted */
1106 /* Index of the TX DMA descriptor to be cleaned up */
1110 struct mvpp2_tx_queue {
1111 /* Physical number of this Tx queue */
1114 /* Logical number of this Tx queue */
1117 /* Number of Tx DMA descriptors in the descriptor ring */
1120 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1123 /* Per-CPU control of physical Tx queues */
1124 struct mvpp2_txq_pcpu __percpu *pcpu;
1128 /* Virtual address of thex Tx DMA descriptors array */
1129 struct mvpp2_tx_desc *descs;
1131 /* DMA address of the Tx DMA descriptors array */
1132 dma_addr_t descs_dma;
1134 /* Index of the last Tx DMA descriptor */
1137 /* Index of the next Tx DMA descriptor to process */
1138 int next_desc_to_proc;
1141 struct mvpp2_rx_queue {
1142 /* RX queue number, in the range 0-31 for physical RXQs */
1145 /* Num of rx descriptors in the rx descriptor ring */
1151 /* Virtual address of the RX DMA descriptors array */
1152 struct mvpp2_rx_desc *descs;
1154 /* DMA address of the RX DMA descriptors array */
1155 dma_addr_t descs_dma;
1157 /* Index of the last RX DMA descriptor */
1160 /* Index of the next RX DMA descriptor to process */
1161 int next_desc_to_proc;
1163 /* ID of port to which physical RXQ is mapped */
1166 /* Port's logic RXQ number to which physical RXQ is mapped */
1170 union mvpp2_prs_tcam_entry {
1171 u32 word[MVPP2_PRS_TCAM_WORDS];
1172 u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
1175 union mvpp2_prs_sram_entry {
1176 u32 word[MVPP2_PRS_SRAM_WORDS];
1177 u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
1180 struct mvpp2_prs_entry {
1182 union mvpp2_prs_tcam_entry tcam;
1183 union mvpp2_prs_sram_entry sram;
1186 struct mvpp2_prs_shadow {
1193 /* User defined offset */
1201 struct mvpp2_cls_flow_entry {
1203 u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS];
1206 struct mvpp2_cls_lookup_entry {
1212 struct mvpp2_bm_pool {
1213 /* Pool number in the range 0-7 */
1215 enum mvpp2_bm_type type;
1217 /* Buffer Pointers Pool External (BPPE) size */
1219 /* Number of buffers for this pool */
1221 /* Pool buffer size */
1226 /* BPPE virtual base address */
1227 unsigned long *virt_addr;
1228 /* BPPE DMA base address */
1229 dma_addr_t dma_addr;
1231 /* Ports using BM pool */
1235 /* Static declaractions */
1237 /* Number of RXQs used by single port */
1238 static int rxq_number = MVPP2_DEFAULT_RXQ;
1239 /* Number of TXQs used by single port */
1240 static int txq_number = MVPP2_DEFAULT_TXQ;
1244 #define MVPP2_DRIVER_NAME "mvpp2"
1245 #define MVPP2_DRIVER_VERSION "1.0"
1248 * U-Boot internal data, mostly uncached buffers for descriptors and data
1250 struct buffer_location {
1251 struct mvpp2_tx_desc *aggr_tx_descs;
1252 struct mvpp2_tx_desc *tx_descs;
1253 struct mvpp2_rx_desc *rx_descs;
1254 unsigned long *bm_pool[MVPP2_BM_POOLS_NUM];
1255 unsigned long *rx_buffer[MVPP2_BM_LONG_BUF_NUM];
1260 * All 4 interfaces use the same global buffer, since only one interface
1261 * can be enabled at once
1263 static struct buffer_location buffer_loc;
1266 * Page table entries are set to 1MB, or multiples of 1MB
1267 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1269 #define BD_SPACE (1 << 20)
1271 /* Utility/helper methods */
1273 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1275 writel(data, priv->base + offset);
1278 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1280 return readl(priv->base + offset);
1283 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1284 struct mvpp2_tx_desc *tx_desc,
1285 dma_addr_t dma_addr)
1287 if (port->priv->hw_version == MVPP21) {
1288 tx_desc->pp21.buf_dma_addr = dma_addr;
1290 u64 val = (u64)dma_addr;
1292 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1293 tx_desc->pp22.buf_dma_addr_ptp |= val;
1297 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1298 struct mvpp2_tx_desc *tx_desc,
1301 if (port->priv->hw_version == MVPP21)
1302 tx_desc->pp21.data_size = size;
1304 tx_desc->pp22.data_size = size;
1307 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1308 struct mvpp2_tx_desc *tx_desc,
1311 if (port->priv->hw_version == MVPP21)
1312 tx_desc->pp21.phys_txq = txq;
1314 tx_desc->pp22.phys_txq = txq;
1317 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1318 struct mvpp2_tx_desc *tx_desc,
1319 unsigned int command)
1321 if (port->priv->hw_version == MVPP21)
1322 tx_desc->pp21.command = command;
1324 tx_desc->pp22.command = command;
1327 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1328 struct mvpp2_tx_desc *tx_desc,
1329 unsigned int offset)
1331 if (port->priv->hw_version == MVPP21)
1332 tx_desc->pp21.packet_offset = offset;
1334 tx_desc->pp22.packet_offset = offset;
1337 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1338 struct mvpp2_rx_desc *rx_desc)
1340 if (port->priv->hw_version == MVPP21)
1341 return rx_desc->pp21.buf_dma_addr;
1343 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1346 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1347 struct mvpp2_rx_desc *rx_desc)
1349 if (port->priv->hw_version == MVPP21)
1350 return rx_desc->pp21.buf_cookie;
1352 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1355 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1356 struct mvpp2_rx_desc *rx_desc)
1358 if (port->priv->hw_version == MVPP21)
1359 return rx_desc->pp21.data_size;
1361 return rx_desc->pp22.data_size;
1364 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1365 struct mvpp2_rx_desc *rx_desc)
1367 if (port->priv->hw_version == MVPP21)
1368 return rx_desc->pp21.status;
1370 return rx_desc->pp22.status;
1373 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1375 txq_pcpu->txq_get_index++;
1376 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1377 txq_pcpu->txq_get_index = 0;
1380 /* Get number of physical egress port */
1381 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1383 return MVPP2_MAX_TCONT + port->id;
1386 /* Get number of physical TXQ */
1387 static inline int mvpp2_txq_phys(int port, int txq)
1389 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1392 /* Parser configuration routines */
1394 /* Update parser tcam and sram hw entries */
1395 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1399 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1402 /* Clear entry invalidation bit */
1403 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1405 /* Write tcam index - indirect access */
1406 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1407 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1408 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1410 /* Write sram index - indirect access */
1411 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1412 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1413 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1418 /* Read tcam entry from hw */
1419 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1423 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1426 /* Write tcam index - indirect access */
1427 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1429 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1430 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1431 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1432 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1434 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1435 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1437 /* Write sram index - indirect access */
1438 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1439 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1440 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1445 /* Invalidate tcam hw entry */
1446 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1448 /* Write index - indirect access */
1449 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1450 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1451 MVPP2_PRS_TCAM_INV_MASK);
1454 /* Enable shadow table entry and set its lookup ID */
1455 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1457 priv->prs_shadow[index].valid = true;
1458 priv->prs_shadow[index].lu = lu;
1461 /* Update ri fields in shadow table entry */
1462 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1463 unsigned int ri, unsigned int ri_mask)
1465 priv->prs_shadow[index].ri_mask = ri_mask;
1466 priv->prs_shadow[index].ri = ri;
1469 /* Update lookup field in tcam sw entry */
1470 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1472 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1474 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1475 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1478 /* Update mask for single port in tcam sw entry */
1479 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1480 unsigned int port, bool add)
1482 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1485 pe->tcam.byte[enable_off] &= ~(1 << port);
1487 pe->tcam.byte[enable_off] |= 1 << port;
1490 /* Update port map in tcam sw entry */
1491 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1494 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1495 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1497 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1498 pe->tcam.byte[enable_off] &= ~port_mask;
1499 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1502 /* Obtain port map from tcam sw entry */
1503 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1505 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1507 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1510 /* Set byte of data and its enable bits in tcam sw entry */
1511 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1512 unsigned int offs, unsigned char byte,
1513 unsigned char enable)
1515 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1516 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1519 /* Get byte of data and its enable bits from tcam sw entry */
1520 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1521 unsigned int offs, unsigned char *byte,
1522 unsigned char *enable)
1524 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1525 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1528 /* Set ethertype in tcam sw entry */
1529 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1530 unsigned short ethertype)
1532 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1533 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1536 /* Set bits in sram sw entry */
1537 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1540 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1543 /* Clear bits in sram sw entry */
1544 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1547 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1550 /* Update ri bits in sram sw entry */
1551 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1552 unsigned int bits, unsigned int mask)
1556 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1557 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1559 if (!(mask & BIT(i)))
1563 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1565 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1567 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1571 /* Update ai bits in sram sw entry */
1572 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1573 unsigned int bits, unsigned int mask)
1576 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1578 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1580 if (!(mask & BIT(i)))
1584 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1586 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1588 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1592 /* Read ai bits from sram sw entry */
1593 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1596 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1597 int ai_en_off = ai_off + 1;
1598 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1600 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1601 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1606 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1609 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1612 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1614 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1615 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1616 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1619 /* In the sram sw entry set sign and value of the next lookup offset
1620 * and the offset value generated to the classifier
1622 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1627 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1630 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1634 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1635 (unsigned char)shift;
1637 /* Reset and set operation */
1638 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1639 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1640 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1642 /* Set base offset as current */
1643 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1646 /* In the sram sw entry set sign and value of the user defined offset
1647 * generated to the classifier
1649 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1650 unsigned int type, int offset,
1655 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1656 offset = 0 - offset;
1658 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1662 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1663 MVPP2_PRS_SRAM_UDF_MASK);
1664 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1665 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1666 MVPP2_PRS_SRAM_UDF_BITS)] &=
1667 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1668 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1669 MVPP2_PRS_SRAM_UDF_BITS)] |=
1670 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1672 /* Set offset type */
1673 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1674 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1675 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1677 /* Set offset operation */
1678 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1679 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1680 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1682 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1683 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1684 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1685 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1687 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1688 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1689 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1691 /* Set base offset as current */
1692 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1695 /* Find parser flow entry */
1696 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1698 struct mvpp2_prs_entry *pe;
1701 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1704 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1706 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1707 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1710 if (!priv->prs_shadow[tid].valid ||
1711 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1715 mvpp2_prs_hw_read(priv, pe);
1716 bits = mvpp2_prs_sram_ai_get(pe);
1718 /* Sram store classification lookup ID in AI bits [5:0] */
1719 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1727 /* Return first free tcam index, seeking from start to end */
1728 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1736 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1737 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1739 for (tid = start; tid <= end; tid++) {
1740 if (!priv->prs_shadow[tid].valid)
1747 /* Enable/disable dropping all mac da's */
1748 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1750 struct mvpp2_prs_entry pe;
1752 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1753 /* Entry exist - update port only */
1754 pe.index = MVPP2_PE_DROP_ALL;
1755 mvpp2_prs_hw_read(priv, &pe);
1757 /* Entry doesn't exist - create new */
1758 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1759 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1760 pe.index = MVPP2_PE_DROP_ALL;
1762 /* Non-promiscuous mode for all ports - DROP unknown packets */
1763 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1764 MVPP2_PRS_RI_DROP_MASK);
1766 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1767 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1769 /* Update shadow table */
1770 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1772 /* Mask all ports */
1773 mvpp2_prs_tcam_port_map_set(&pe, 0);
1776 /* Update port mask */
1777 mvpp2_prs_tcam_port_set(&pe, port, add);
1779 mvpp2_prs_hw_write(priv, &pe);
1782 /* Set port to promiscuous mode */
1783 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1785 struct mvpp2_prs_entry pe;
1787 /* Promiscuous mode - Accept unknown packets */
1789 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1790 /* Entry exist - update port only */
1791 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1792 mvpp2_prs_hw_read(priv, &pe);
1794 /* Entry doesn't exist - create new */
1795 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1796 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1797 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1799 /* Continue - set next lookup */
1800 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1802 /* Set result info bits */
1803 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1804 MVPP2_PRS_RI_L2_CAST_MASK);
1806 /* Shift to ethertype */
1807 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1808 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1810 /* Mask all ports */
1811 mvpp2_prs_tcam_port_map_set(&pe, 0);
1813 /* Update shadow table */
1814 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1817 /* Update port mask */
1818 mvpp2_prs_tcam_port_set(&pe, port, add);
1820 mvpp2_prs_hw_write(priv, &pe);
1823 /* Accept multicast */
1824 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1827 struct mvpp2_prs_entry pe;
1828 unsigned char da_mc;
1830 /* Ethernet multicast address first byte is
1831 * 0x01 for IPv4 and 0x33 for IPv6
1833 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1835 if (priv->prs_shadow[index].valid) {
1836 /* Entry exist - update port only */
1838 mvpp2_prs_hw_read(priv, &pe);
1840 /* Entry doesn't exist - create new */
1841 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1842 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1845 /* Continue - set next lookup */
1846 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1848 /* Set result info bits */
1849 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1850 MVPP2_PRS_RI_L2_CAST_MASK);
1852 /* Update tcam entry data first byte */
1853 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1855 /* Shift to ethertype */
1856 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1857 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1859 /* Mask all ports */
1860 mvpp2_prs_tcam_port_map_set(&pe, 0);
1862 /* Update shadow table */
1863 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1866 /* Update port mask */
1867 mvpp2_prs_tcam_port_set(&pe, port, add);
1869 mvpp2_prs_hw_write(priv, &pe);
1872 /* Parser per-port initialization */
1873 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1874 int lu_max, int offset)
1879 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1880 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1881 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1882 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1884 /* Set maximum number of loops for packet received from port */
1885 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1886 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1887 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1888 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1890 /* Set initial offset for packet header extraction for the first
1893 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1894 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1895 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1896 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1899 /* Default flow entries initialization for all ports */
1900 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1902 struct mvpp2_prs_entry pe;
1905 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1906 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1907 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1908 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1910 /* Mask all ports */
1911 mvpp2_prs_tcam_port_map_set(&pe, 0);
1914 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1915 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1917 /* Update shadow table and hw entry */
1918 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1919 mvpp2_prs_hw_write(priv, &pe);
1923 /* Set default entry for Marvell Header field */
1924 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1926 struct mvpp2_prs_entry pe;
1928 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1930 pe.index = MVPP2_PE_MH_DEFAULT;
1931 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1932 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1933 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1934 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1936 /* Unmask all ports */
1937 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1939 /* Update shadow table and hw entry */
1940 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1941 mvpp2_prs_hw_write(priv, &pe);
1944 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1945 * multicast MAC addresses
1947 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1949 struct mvpp2_prs_entry pe;
1951 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1953 /* Non-promiscuous mode for all ports - DROP unknown packets */
1954 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1955 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1957 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1958 MVPP2_PRS_RI_DROP_MASK);
1959 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1960 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1962 /* Unmask all ports */
1963 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1965 /* Update shadow table and hw entry */
1966 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1967 mvpp2_prs_hw_write(priv, &pe);
1969 /* place holders only - no ports */
1970 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1971 mvpp2_prs_mac_promisc_set(priv, 0, false);
1972 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1973 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1976 /* Match basic ethertypes */
1977 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1979 struct mvpp2_prs_entry pe;
1982 /* Ethertype: PPPoE */
1983 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1984 MVPP2_PE_LAST_FREE_TID);
1988 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1989 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
1992 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
1994 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
1995 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1996 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
1997 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
1998 MVPP2_PRS_RI_PPPOE_MASK);
2000 /* Update shadow table and hw entry */
2001 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2002 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2003 priv->prs_shadow[pe.index].finish = false;
2004 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2005 MVPP2_PRS_RI_PPPOE_MASK);
2006 mvpp2_prs_hw_write(priv, &pe);
2008 /* Ethertype: ARP */
2009 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2010 MVPP2_PE_LAST_FREE_TID);
2014 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2015 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2018 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2020 /* Generate flow in the next iteration*/
2021 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2022 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2023 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2024 MVPP2_PRS_RI_L3_PROTO_MASK);
2026 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2028 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2030 /* Update shadow table and hw entry */
2031 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2032 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2033 priv->prs_shadow[pe.index].finish = true;
2034 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2035 MVPP2_PRS_RI_L3_PROTO_MASK);
2036 mvpp2_prs_hw_write(priv, &pe);
2038 /* Ethertype: LBTD */
2039 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2040 MVPP2_PE_LAST_FREE_TID);
2044 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2045 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2048 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2050 /* Generate flow in the next iteration*/
2051 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2052 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2053 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2054 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2055 MVPP2_PRS_RI_CPU_CODE_MASK |
2056 MVPP2_PRS_RI_UDF3_MASK);
2058 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2060 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2062 /* Update shadow table and hw entry */
2063 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2064 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2065 priv->prs_shadow[pe.index].finish = true;
2066 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2067 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2068 MVPP2_PRS_RI_CPU_CODE_MASK |
2069 MVPP2_PRS_RI_UDF3_MASK);
2070 mvpp2_prs_hw_write(priv, &pe);
2072 /* Ethertype: IPv4 without options */
2073 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2074 MVPP2_PE_LAST_FREE_TID);
2078 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2079 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2082 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2083 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2084 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2085 MVPP2_PRS_IPV4_HEAD_MASK |
2086 MVPP2_PRS_IPV4_IHL_MASK);
2088 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2089 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2090 MVPP2_PRS_RI_L3_PROTO_MASK);
2091 /* Skip eth_type + 4 bytes of IP header */
2092 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2093 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2095 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2097 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2099 /* Update shadow table and hw entry */
2100 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2101 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2102 priv->prs_shadow[pe.index].finish = false;
2103 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2104 MVPP2_PRS_RI_L3_PROTO_MASK);
2105 mvpp2_prs_hw_write(priv, &pe);
2107 /* Ethertype: IPv4 with options */
2108 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2109 MVPP2_PE_LAST_FREE_TID);
2115 /* Clear tcam data before updating */
2116 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2117 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2119 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2120 MVPP2_PRS_IPV4_HEAD,
2121 MVPP2_PRS_IPV4_HEAD_MASK);
2123 /* Clear ri before updating */
2124 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2125 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2126 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2127 MVPP2_PRS_RI_L3_PROTO_MASK);
2129 /* Update shadow table and hw entry */
2130 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2131 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2132 priv->prs_shadow[pe.index].finish = false;
2133 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2134 MVPP2_PRS_RI_L3_PROTO_MASK);
2135 mvpp2_prs_hw_write(priv, &pe);
2137 /* Ethertype: IPv6 without options */
2138 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2139 MVPP2_PE_LAST_FREE_TID);
2143 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2144 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2147 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2149 /* Skip DIP of IPV6 header */
2150 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2151 MVPP2_MAX_L3_ADDR_SIZE,
2152 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2153 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2154 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2155 MVPP2_PRS_RI_L3_PROTO_MASK);
2157 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2159 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2161 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2162 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2163 priv->prs_shadow[pe.index].finish = false;
2164 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2165 MVPP2_PRS_RI_L3_PROTO_MASK);
2166 mvpp2_prs_hw_write(priv, &pe);
2168 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2169 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2170 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2171 pe.index = MVPP2_PE_ETH_TYPE_UN;
2173 /* Unmask all ports */
2174 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2176 /* Generate flow in the next iteration*/
2177 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2178 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2179 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2180 MVPP2_PRS_RI_L3_PROTO_MASK);
2181 /* Set L3 offset even it's unknown L3 */
2182 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2184 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2186 /* Update shadow table and hw entry */
2187 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2188 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2189 priv->prs_shadow[pe.index].finish = true;
2190 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2191 MVPP2_PRS_RI_L3_PROTO_MASK);
2192 mvpp2_prs_hw_write(priv, &pe);
2197 /* Parser default initialization */
2198 static int mvpp2_prs_default_init(struct udevice *dev,
2203 /* Enable tcam table */
2204 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2206 /* Clear all tcam and sram entries */
2207 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2208 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2209 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2210 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2212 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2213 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2214 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2217 /* Invalidate all tcam entries */
2218 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2219 mvpp2_prs_hw_inv(priv, index);
2221 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2222 sizeof(struct mvpp2_prs_shadow),
2224 if (!priv->prs_shadow)
2227 /* Always start from lookup = 0 */
2228 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2229 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2230 MVPP2_PRS_PORT_LU_MAX, 0);
2232 mvpp2_prs_def_flow_init(priv);
2234 mvpp2_prs_mh_init(priv);
2236 mvpp2_prs_mac_init(priv);
2238 err = mvpp2_prs_etype_init(priv);
2245 /* Compare MAC DA with tcam entry data */
2246 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2247 const u8 *da, unsigned char *mask)
2249 unsigned char tcam_byte, tcam_mask;
2252 for (index = 0; index < ETH_ALEN; index++) {
2253 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2254 if (tcam_mask != mask[index])
2257 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2264 /* Find tcam entry with matched pair <MAC DA, port> */
2265 static struct mvpp2_prs_entry *
2266 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2267 unsigned char *mask, int udf_type)
2269 struct mvpp2_prs_entry *pe;
2272 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2275 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2277 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2278 for (tid = MVPP2_PE_FIRST_FREE_TID;
2279 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2280 unsigned int entry_pmap;
2282 if (!priv->prs_shadow[tid].valid ||
2283 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2284 (priv->prs_shadow[tid].udf != udf_type))
2288 mvpp2_prs_hw_read(priv, pe);
2289 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2291 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2300 /* Update parser's mac da entry */
2301 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2302 const u8 *da, bool add)
2304 struct mvpp2_prs_entry *pe;
2305 unsigned int pmap, len, ri;
2306 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2309 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2310 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2311 MVPP2_PRS_UDF_MAC_DEF);
2318 /* Create new TCAM entry */
2319 /* Find first range mac entry*/
2320 for (tid = MVPP2_PE_FIRST_FREE_TID;
2321 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2322 if (priv->prs_shadow[tid].valid &&
2323 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2324 (priv->prs_shadow[tid].udf ==
2325 MVPP2_PRS_UDF_MAC_RANGE))
2328 /* Go through the all entries from first to last */
2329 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2334 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2337 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2340 /* Mask all ports */
2341 mvpp2_prs_tcam_port_map_set(pe, 0);
2344 /* Update port mask */
2345 mvpp2_prs_tcam_port_set(pe, port, add);
2347 /* Invalidate the entry if no ports are left enabled */
2348 pmap = mvpp2_prs_tcam_port_map_get(pe);
2354 mvpp2_prs_hw_inv(priv, pe->index);
2355 priv->prs_shadow[pe->index].valid = false;
2360 /* Continue - set next lookup */
2361 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2363 /* Set match on DA */
2366 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2368 /* Set result info bits */
2369 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2371 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2372 MVPP2_PRS_RI_MAC_ME_MASK);
2373 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2374 MVPP2_PRS_RI_MAC_ME_MASK);
2376 /* Shift to ethertype */
2377 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2378 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2380 /* Update shadow table and hw entry */
2381 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2382 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2383 mvpp2_prs_hw_write(priv, pe);
2390 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2394 /* Remove old parser entry */
2395 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2400 /* Add new parser entry */
2401 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2405 /* Set addr in the device */
2406 memcpy(port->dev_addr, da, ETH_ALEN);
2411 /* Set prs flow for the port */
2412 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2414 struct mvpp2_prs_entry *pe;
2417 pe = mvpp2_prs_flow_find(port->priv, port->id);
2419 /* Such entry not exist */
2421 /* Go through the all entires from last to first */
2422 tid = mvpp2_prs_tcam_first_free(port->priv,
2423 MVPP2_PE_LAST_FREE_TID,
2424 MVPP2_PE_FIRST_FREE_TID);
2428 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2432 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2436 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2437 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2439 /* Update shadow table */
2440 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2443 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2444 mvpp2_prs_hw_write(port->priv, pe);
2450 /* Classifier configuration routines */
2452 /* Update classification flow table registers */
2453 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2454 struct mvpp2_cls_flow_entry *fe)
2456 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2457 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2458 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2459 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2462 /* Update classification lookup table register */
2463 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2464 struct mvpp2_cls_lookup_entry *le)
2468 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2469 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2470 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2473 /* Classifier default initialization */
2474 static void mvpp2_cls_init(struct mvpp2 *priv)
2476 struct mvpp2_cls_lookup_entry le;
2477 struct mvpp2_cls_flow_entry fe;
2480 /* Enable classifier */
2481 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2483 /* Clear classifier flow table */
2484 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2485 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2487 mvpp2_cls_flow_write(priv, &fe);
2490 /* Clear classifier lookup table */
2492 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2495 mvpp2_cls_lookup_write(priv, &le);
2498 mvpp2_cls_lookup_write(priv, &le);
2502 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2504 struct mvpp2_cls_lookup_entry le;
2507 /* Set way for the port */
2508 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2509 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2510 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2512 /* Pick the entry to be accessed in lookup ID decoding table
2513 * according to the way and lkpid.
2515 le.lkpid = port->id;
2519 /* Set initial CPU queue for receiving packets */
2520 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2521 le.data |= port->first_rxq;
2523 /* Disable classification engines */
2524 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2526 /* Update lookup ID table entry */
2527 mvpp2_cls_lookup_write(port->priv, &le);
2530 /* Set CPU queue number for oversize packets */
2531 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2535 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2536 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2538 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2539 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2541 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2542 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2543 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2546 /* Buffer Manager configuration routines */
2549 static int mvpp2_bm_pool_create(struct udevice *dev,
2551 struct mvpp2_bm_pool *bm_pool, int size)
2555 /* Number of buffer pointers must be a multiple of 16, as per
2556 * hardware constraints
2558 if (!IS_ALIGNED(size, 16))
2561 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2562 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2563 if (!bm_pool->virt_addr)
2566 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2567 MVPP2_BM_POOL_PTR_ALIGN)) {
2568 dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n",
2569 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2573 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2574 lower_32_bits(bm_pool->dma_addr));
2575 if (priv->hw_version == MVPP22)
2576 mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
2577 (upper_32_bits(bm_pool->dma_addr) &
2578 MVPP22_BM_POOL_BASE_HIGH_MASK));
2579 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2581 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2582 val |= MVPP2_BM_START_MASK;
2583 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2585 bm_pool->type = MVPP2_BM_FREE;
2586 bm_pool->size = size;
2587 bm_pool->pkt_size = 0;
2588 bm_pool->buf_num = 0;
2593 /* Set pool buffer size */
2594 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2595 struct mvpp2_bm_pool *bm_pool,
2600 bm_pool->buf_size = buf_size;
2602 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2603 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2606 /* Free all buffers from the pool */
2607 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2608 struct mvpp2_bm_pool *bm_pool)
2612 for (i = 0; i < bm_pool->buf_num; i++) {
2613 /* Allocate buffer back from the buffer manager */
2614 mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
2617 bm_pool->buf_num = 0;
2621 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2623 struct mvpp2_bm_pool *bm_pool)
2627 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2628 if (bm_pool->buf_num) {
2629 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2633 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2634 val |= MVPP2_BM_STOP_MASK;
2635 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2640 static int mvpp2_bm_pools_init(struct udevice *dev,
2644 struct mvpp2_bm_pool *bm_pool;
2646 /* Create all pools with maximum size */
2647 size = MVPP2_BM_POOL_SIZE_MAX;
2648 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2649 bm_pool = &priv->bm_pools[i];
2651 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2653 goto err_unroll_pools;
2654 mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
2659 dev_err(&pdev->dev, "failed to create BM pool %d, size %d\n", i, size);
2660 for (i = i - 1; i >= 0; i--)
2661 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2665 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2669 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2670 /* Mask BM all interrupts */
2671 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2672 /* Clear BM cause register */
2673 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2676 /* Allocate and initialize BM pools */
2677 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2678 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2679 if (!priv->bm_pools)
2682 err = mvpp2_bm_pools_init(dev, priv);
2688 /* Attach long pool to rxq */
2689 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2690 int lrxq, int long_pool)
2695 /* Get queue physical ID */
2696 prxq = port->rxqs[lrxq]->id;
2698 if (port->priv->hw_version == MVPP21)
2699 mask = MVPP21_RXQ_POOL_LONG_MASK;
2701 mask = MVPP22_RXQ_POOL_LONG_MASK;
2703 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2705 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2706 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2709 /* Set pool number in a BM cookie */
2710 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2714 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2715 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2720 /* Get pool number from a BM cookie */
2721 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2723 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2726 /* Release buffer to BM */
2727 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2728 dma_addr_t buf_dma_addr,
2729 unsigned long buf_phys_addr)
2731 if (port->priv->hw_version == MVPP22) {
2734 if (sizeof(dma_addr_t) == 8)
2735 val |= upper_32_bits(buf_dma_addr) &
2736 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2738 if (sizeof(phys_addr_t) == 8)
2739 val |= (upper_32_bits(buf_phys_addr)
2740 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2741 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2743 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2746 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2747 * returned in the "cookie" field of the RX
2748 * descriptor. Instead of storing the virtual address, we
2749 * store the physical address
2751 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2752 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2755 /* Refill BM pool */
2756 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2757 dma_addr_t dma_addr,
2758 phys_addr_t phys_addr)
2760 int pool = mvpp2_bm_cookie_pool_get(bm);
2762 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2765 /* Allocate buffers for the pool */
2766 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2767 struct mvpp2_bm_pool *bm_pool, int buf_num)
2772 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2773 netdev_err(port->dev,
2774 "cannot allocate %d buffers for pool %d\n",
2775 buf_num, bm_pool->id);
2779 for (i = 0; i < buf_num; i++) {
2780 mvpp2_bm_pool_put(port, bm_pool->id,
2781 (dma_addr_t)buffer_loc.rx_buffer[i],
2782 (unsigned long)buffer_loc.rx_buffer[i]);
2786 /* Update BM driver with number of buffers added to pool */
2787 bm_pool->buf_num += i;
2792 /* Notify the driver that BM pool is being used as specific type and return the
2793 * pool pointer on success
2795 static struct mvpp2_bm_pool *
2796 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2799 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2802 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2803 netdev_err(port->dev, "mixing pool types is forbidden\n");
2807 if (new_pool->type == MVPP2_BM_FREE)
2808 new_pool->type = type;
2810 /* Allocate buffers in case BM pool is used as long pool, but packet
2811 * size doesn't match MTU or BM pool hasn't being used yet
2813 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2814 (new_pool->pkt_size == 0)) {
2817 /* Set default buffer number or free all the buffers in case
2818 * the pool is not empty
2820 pkts_num = new_pool->buf_num;
2822 pkts_num = type == MVPP2_BM_SWF_LONG ?
2823 MVPP2_BM_LONG_BUF_NUM :
2824 MVPP2_BM_SHORT_BUF_NUM;
2826 mvpp2_bm_bufs_free(NULL,
2827 port->priv, new_pool);
2829 new_pool->pkt_size = pkt_size;
2831 /* Allocate buffers for this pool */
2832 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2833 if (num != pkts_num) {
2834 dev_err(dev, "pool %d: %d of %d allocated\n",
2835 new_pool->id, num, pkts_num);
2843 /* Initialize pools for swf */
2844 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2848 if (!port->pool_long) {
2850 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2853 if (!port->pool_long)
2856 port->pool_long->port_map |= (1 << port->id);
2858 for (rxq = 0; rxq < rxq_number; rxq++)
2859 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2865 /* Port configuration routines */
2867 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2871 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2873 switch (port->phy_interface) {
2874 case PHY_INTERFACE_MODE_SGMII:
2875 val |= MVPP2_GMAC_INBAND_AN_MASK;
2877 case PHY_INTERFACE_MODE_RGMII:
2878 case PHY_INTERFACE_MODE_RGMII_ID:
2879 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2881 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2884 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2887 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2891 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2892 val |= MVPP2_GMAC_FC_ADV_EN;
2893 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2896 static void mvpp2_port_enable(struct mvpp2_port *port)
2900 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2901 val |= MVPP2_GMAC_PORT_EN_MASK;
2902 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2903 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2906 static void mvpp2_port_disable(struct mvpp2_port *port)
2910 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2911 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2912 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2915 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2916 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2920 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2921 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2922 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2925 /* Configure loopback port */
2926 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2930 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2932 if (port->speed == 1000)
2933 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2935 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2937 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII)
2938 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2940 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2942 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2945 static void mvpp2_port_reset(struct mvpp2_port *port)
2949 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2950 ~MVPP2_GMAC_PORT_RESET_MASK;
2951 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2953 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2954 MVPP2_GMAC_PORT_RESET_MASK)
2958 /* Change maximum receive size of the port */
2959 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2963 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2964 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2965 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2966 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2967 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2970 /* PPv2.2 GoP/GMAC config */
2972 /* Set the MAC to reset or exit from reset */
2973 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2977 /* read - modify - write */
2978 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2980 val |= MVPP2_GMAC_PORT_RESET_MASK;
2982 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2983 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2991 * Configure port to working with Gig PCS or don't.
2993 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
2997 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2999 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3001 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3002 /* enable / disable PCS on this port */
3003 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3008 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3012 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3014 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3016 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3017 /* enable / disable PCS on this port */
3018 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3023 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3028 * Configure minimal level of the Tx FIFO before the lower part
3029 * starts to read a packet
3031 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3032 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3033 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3034 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3035 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3037 /* Disable bypass of sync module */
3038 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3039 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3040 /* configure DP clock select according to mode */
3041 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3042 /* configure QSGMII bypass according to mode */
3043 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3044 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3046 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3048 * Configure GIG MAC to 1000Base-X mode connected to a fiber
3051 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3052 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3054 /* configure AN 0x9268 */
3055 val = MVPP2_GMAC_EN_PCS_AN |
3056 MVPP2_GMAC_AN_BYPASS_EN |
3057 MVPP2_GMAC_CONFIG_MII_SPEED |
3058 MVPP2_GMAC_CONFIG_GMII_SPEED |
3059 MVPP2_GMAC_FC_ADV_EN |
3060 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3061 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3062 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3065 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3070 * Configure minimal level of the Tx FIFO before the lower part
3071 * starts to read a packet
3073 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3074 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3075 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3076 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3077 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3079 /* Disable bypass of sync module */
3080 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3081 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3082 /* configure DP clock select according to mode */
3083 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3084 /* configure QSGMII bypass according to mode */
3085 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3086 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3088 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3089 /* configure GIG MAC to SGMII mode */
3090 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3091 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3094 val = MVPP2_GMAC_EN_PCS_AN |
3095 MVPP2_GMAC_AN_BYPASS_EN |
3096 MVPP2_GMAC_AN_SPEED_EN |
3097 MVPP2_GMAC_EN_FC_AN |
3098 MVPP2_GMAC_AN_DUPLEX_EN |
3099 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3100 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3103 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3108 * Configure minimal level of the Tx FIFO before the lower part
3109 * starts to read a packet
3111 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3112 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3113 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3114 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3115 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3117 /* Disable bypass of sync module */
3118 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3119 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3120 /* configure DP clock select according to mode */
3121 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3122 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3123 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3124 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3126 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3127 /* configure GIG MAC to SGMII mode */
3128 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3129 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3131 /* configure AN 0xb8e8 */
3132 val = MVPP2_GMAC_AN_BYPASS_EN |
3133 MVPP2_GMAC_AN_SPEED_EN |
3134 MVPP2_GMAC_EN_FC_AN |
3135 MVPP2_GMAC_AN_DUPLEX_EN |
3136 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3137 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3140 /* Set the internal mux's to the required MAC in the GOP */
3141 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3145 /* Set TX FIFO thresholds */
3146 switch (port->phy_interface) {
3147 case PHY_INTERFACE_MODE_SGMII:
3148 if (port->phy_speed == 2500)
3149 gop_gmac_sgmii2_5_cfg(port);
3151 gop_gmac_sgmii_cfg(port);
3154 case PHY_INTERFACE_MODE_RGMII:
3155 case PHY_INTERFACE_MODE_RGMII_ID:
3156 gop_gmac_rgmii_cfg(port);
3163 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3164 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3165 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3166 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3167 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3169 /* PeriodicXonEn disable */
3170 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3171 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3172 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3177 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3181 /* relevant only for MAC0 (XLG0 and GMAC0) */
3182 if (port->gop_id > 0)
3185 /* configure 1Gig MAC mode */
3186 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3187 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3188 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3189 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3192 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3196 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3198 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3200 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3201 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3206 /* Set the internal mux's to the required PCS in the PI */
3207 static int gop_xpcs_mode(struct mvpp2_port *port, int num_of_lanes)
3212 switch (num_of_lanes) {
3226 /* configure XG MAC mode */
3227 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3228 val &= ~MVPP22_XPCS_PCSMODE_MASK;
3229 val &= ~MVPP22_XPCS_LANEACTIVE_MASK;
3230 val |= (2 * lane) << MVPP22_XPCS_LANEACTIVE_OFFS;
3231 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3236 static int gop_mpcs_mode(struct mvpp2_port *port)
3240 /* configure PCS40G COMMON CONTROL */
3241 val = readl(port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3242 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3243 writel(val, port->priv->mpcs_base + PCS40G_COMMON_CONTROL);
3245 /* configure PCS CLOCK RESET */
3246 val = readl(port->priv->mpcs_base + PCS_CLOCK_RESET);
3247 val &= ~CLK_DIVISION_RATIO_MASK;
3248 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3249 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3251 val &= ~CLK_DIV_PHASE_SET_MASK;
3252 val |= MAC_CLK_RESET_MASK;
3253 val |= RX_SD_CLK_RESET_MASK;
3254 val |= TX_SD_CLK_RESET_MASK;
3255 writel(val, port->priv->mpcs_base + PCS_CLOCK_RESET);
3260 /* Set the internal mux's to the required MAC in the GOP */
3261 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3265 /* configure 10G MAC mode */
3266 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3267 val |= MVPP22_XLG_RX_FC_EN;
3268 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3270 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3271 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3272 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3273 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3275 /* read - modify - write */
3276 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3277 val &= ~MVPP22_XLG_MODE_DMA_1G;
3278 val |= MVPP22_XLG_FORWARD_PFC_EN;
3279 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3280 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3281 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3283 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3284 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3285 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3286 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3287 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3289 /* unmask link change interrupt */
3290 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3291 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3292 val |= 1; /* unmask summary bit */
3293 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3298 /* Set PCS to reset or exit from reset */
3299 static int gop_xpcs_reset(struct mvpp2_port *port, int reset)
3303 /* read - modify - write */
3304 val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3306 val &= ~MVPP22_XPCS_PCSRESET;
3308 val |= MVPP22_XPCS_PCSRESET;
3309 writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
3314 /* Set the MAC to reset or exit from reset */
3315 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3319 /* read - modify - write */
3320 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3322 val &= ~MVPP22_XLG_MAC_RESETN;
3324 val |= MVPP22_XLG_MAC_RESETN;
3325 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3333 * Init physical port. Configures the port mode and all it's elements
3335 * Does not verify that the selected mode/port number is valid at the
3338 static int gop_port_init(struct mvpp2_port *port)
3340 int mac_num = port->gop_id;
3341 int num_of_act_lanes;
3343 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3344 netdev_err(NULL, "%s: illegal port number %d", __func__,
3349 switch (port->phy_interface) {
3350 case PHY_INTERFACE_MODE_RGMII:
3351 case PHY_INTERFACE_MODE_RGMII_ID:
3352 gop_gmac_reset(port, 1);
3355 gop_gpcs_mode_cfg(port, 0);
3356 gop_bypass_clk_cfg(port, 1);
3359 gop_gmac_mode_cfg(port);
3361 gop_gpcs_reset(port, 0);
3364 gop_gmac_reset(port, 0);
3367 case PHY_INTERFACE_MODE_SGMII:
3369 gop_gpcs_mode_cfg(port, 1);
3372 gop_gmac_mode_cfg(port);
3373 /* select proper Mac mode */
3374 gop_xlg_2_gig_mac_cfg(port);
3377 gop_gpcs_reset(port, 0);
3379 gop_gmac_reset(port, 0);
3382 case PHY_INTERFACE_MODE_SFI:
3383 num_of_act_lanes = 2;
3386 gop_xpcs_mode(port, num_of_act_lanes);
3387 gop_mpcs_mode(port);
3389 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3392 gop_xpcs_reset(port, 0);
3395 gop_xlg_mac_reset(port, 0);
3399 netdev_err(NULL, "%s: Requested port mode (%d) not supported\n",
3400 __func__, port->phy_interface);
3407 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3411 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3413 /* Enable port and MIB counters update */
3414 val |= MVPP22_XLG_PORT_EN;
3415 val &= ~MVPP22_XLG_MIBCNT_DIS;
3418 val &= ~MVPP22_XLG_PORT_EN;
3420 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3423 static void gop_port_enable(struct mvpp2_port *port, int enable)
3425 switch (port->phy_interface) {
3426 case PHY_INTERFACE_MODE_RGMII:
3427 case PHY_INTERFACE_MODE_RGMII_ID:
3428 case PHY_INTERFACE_MODE_SGMII:
3430 mvpp2_port_enable(port);
3432 mvpp2_port_disable(port);
3435 case PHY_INTERFACE_MODE_SFI:
3436 gop_xlg_mac_port_enable(port, enable);
3440 netdev_err(NULL, "%s: Wrong port mode (%d)\n", __func__,
3441 port->phy_interface);
3446 /* RFU1 functions */
3447 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3449 return readl(priv->rfu1_base + offset);
3452 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3454 writel(data, priv->rfu1_base + offset);
3457 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3462 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3463 val |= MV_NETC_GE_MAC2_SGMII;
3467 if (phy_type == PHY_INTERFACE_MODE_SGMII)
3468 val |= MV_NETC_GE_MAC3_SGMII;
3469 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3470 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3471 val |= MV_NETC_GE_MAC3_RGMII;
3477 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3481 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3482 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3484 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3485 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3489 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3492 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3496 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3497 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3499 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3500 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3504 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3507 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3511 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3512 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3514 val <<= NETC_GOP_SOFT_RESET_OFFS;
3515 val &= NETC_GOP_SOFT_RESET_MASK;
3519 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3522 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3526 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3527 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3529 val <<= NETC_CLK_DIV_PHASE_OFFS;
3530 val &= NETC_CLK_DIV_PHASE_MASK;
3534 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3537 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3541 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3542 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3544 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3545 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3549 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3552 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3555 u32 reg, mask, offset;
3558 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3559 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3561 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3562 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3564 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3572 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3575 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3579 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3580 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3582 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3583 val &= NETC_BUS_WIDTH_SELECT_MASK;
3587 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3590 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3594 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3595 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3597 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3598 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3602 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3605 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3606 enum mv_netc_phase phase)
3609 case MV_NETC_FIRST_PHASE:
3610 /* Set Bus Width to HB mode = 1 */
3611 gop_netc_bus_width_select(priv, 1);
3612 /* Select RGMII mode */
3613 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3616 case MV_NETC_SECOND_PHASE:
3617 /* De-assert the relevant port HB reset */
3618 gop_netc_port_rf_reset(priv, gop_id, 1);
3623 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3624 enum mv_netc_phase phase)
3627 case MV_NETC_FIRST_PHASE:
3628 /* Set Bus Width to HB mode = 1 */
3629 gop_netc_bus_width_select(priv, 1);
3630 /* Select SGMII mode */
3632 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3636 /* Configure the sample stages */
3637 gop_netc_sample_stages_timing(priv, 0);
3638 /* Configure the ComPhy Selector */
3639 /* gop_netc_com_phy_selector_config(netComplex); */
3642 case MV_NETC_SECOND_PHASE:
3643 /* De-assert the relevant port HB reset */
3644 gop_netc_port_rf_reset(priv, gop_id, 1);
3649 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3651 u32 c = priv->netc_config;
3653 if (c & MV_NETC_GE_MAC2_SGMII)
3654 gop_netc_mac_to_sgmii(priv, 2, phase);
3656 gop_netc_mac_to_xgmii(priv, 2, phase);
3658 if (c & MV_NETC_GE_MAC3_SGMII) {
3659 gop_netc_mac_to_sgmii(priv, 3, phase);
3661 gop_netc_mac_to_xgmii(priv, 3, phase);
3662 if (c & MV_NETC_GE_MAC3_RGMII)
3663 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3665 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3668 /* Activate gop ports 0, 2, 3 */
3669 gop_netc_active_port(priv, 0, 1);
3670 gop_netc_active_port(priv, 2, 1);
3671 gop_netc_active_port(priv, 3, 1);
3673 if (phase == MV_NETC_SECOND_PHASE) {
3674 /* Enable the GOP internal clock logic */
3675 gop_netc_gop_clock_logic_set(priv, 1);
3676 /* De-assert GOP unit reset */
3677 gop_netc_gop_reset(priv, 1);
3683 /* Set defaults to the MVPP2 port */
3684 static void mvpp2_defaults_set(struct mvpp2_port *port)
3686 int tx_port_num, val, queue, ptxq, lrxq;
3688 if (port->priv->hw_version == MVPP21) {
3689 /* Configure port to loopback if needed */
3690 if (port->flags & MVPP2_F_LOOPBACK)
3691 mvpp2_port_loopback_set(port);
3693 /* Update TX FIFO MIN Threshold */
3694 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3695 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3696 /* Min. TX threshold must be less than minimal packet length */
3697 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3698 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3701 /* Disable Legacy WRR, Disable EJP, Release from reset */
3702 tx_port_num = mvpp2_egress_port(port);
3703 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3705 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3707 /* Close bandwidth for all queues */
3708 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3709 ptxq = mvpp2_txq_phys(port->id, queue);
3710 mvpp2_write(port->priv,
3711 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3714 /* Set refill period to 1 usec, refill tokens
3715 * and bucket size to maximum
3717 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3718 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3719 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3720 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3721 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3722 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3723 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3724 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3726 /* Set MaximumLowLatencyPacketSize value to 256 */
3727 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3728 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3729 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3731 /* Enable Rx cache snoop */
3732 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3733 queue = port->rxqs[lrxq]->id;
3734 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3735 val |= MVPP2_SNOOP_PKT_SIZE_MASK |
3736 MVPP2_SNOOP_BUF_HDR_MASK;
3737 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3741 /* Enable/disable receiving packets */
3742 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3747 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3748 queue = port->rxqs[lrxq]->id;
3749 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3750 val &= ~MVPP2_RXQ_DISABLE_MASK;
3751 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3755 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3760 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3761 queue = port->rxqs[lrxq]->id;
3762 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3763 val |= MVPP2_RXQ_DISABLE_MASK;
3764 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3768 /* Enable transmit via physical egress queue
3769 * - HW starts take descriptors from DRAM
3771 static void mvpp2_egress_enable(struct mvpp2_port *port)
3775 int tx_port_num = mvpp2_egress_port(port);
3777 /* Enable all initialized TXs. */
3779 for (queue = 0; queue < txq_number; queue++) {
3780 struct mvpp2_tx_queue *txq = port->txqs[queue];
3782 if (txq->descs != NULL)
3783 qmap |= (1 << queue);
3786 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3787 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3790 /* Disable transmit via physical egress queue
3791 * - HW doesn't take descriptors from DRAM
3793 static void mvpp2_egress_disable(struct mvpp2_port *port)
3797 int tx_port_num = mvpp2_egress_port(port);
3799 /* Issue stop command for active channels only */
3800 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3801 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3802 MVPP2_TXP_SCHED_ENQ_MASK;
3804 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3805 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3807 /* Wait for all Tx activity to terminate. */
3810 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3811 netdev_warn(port->dev,
3812 "Tx stop timed out, status=0x%08x\n",
3819 /* Check port TX Command register that all
3820 * Tx queues are stopped
3822 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3823 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3826 /* Rx descriptors helper methods */
3828 /* Get number of Rx descriptors occupied by received packets */
3830 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3832 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3834 return val & MVPP2_RXQ_OCCUPIED_MASK;
3837 /* Update Rx queue status with the number of occupied and available
3838 * Rx descriptor slots.
3841 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3842 int used_count, int free_count)
3844 /* Decrement the number of used descriptors and increment count
3845 * increment the number of free descriptors.
3847 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3849 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3852 /* Get pointer to next RX descriptor to be processed by SW */
3853 static inline struct mvpp2_rx_desc *
3854 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3856 int rx_desc = rxq->next_desc_to_proc;
3858 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3859 prefetch(rxq->descs + rxq->next_desc_to_proc);
3860 return rxq->descs + rx_desc;
3863 /* Set rx queue offset */
3864 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3865 int prxq, int offset)
3869 /* Convert offset from bytes to units of 32 bytes */
3870 offset = offset >> 5;
3872 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3873 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3876 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3877 MVPP2_RXQ_PACKET_OFFSET_MASK);
3879 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3882 /* Obtain BM cookie information from descriptor */
3883 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3884 struct mvpp2_rx_desc *rx_desc)
3886 int cpu = smp_processor_id();
3889 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3890 MVPP2_RXD_BM_POOL_ID_MASK) >>
3891 MVPP2_RXD_BM_POOL_ID_OFFS;
3893 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3894 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3897 /* Tx descriptors helper methods */
3899 /* Get number of Tx descriptors waiting to be transmitted by HW */
3900 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3901 struct mvpp2_tx_queue *txq)
3905 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3906 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3908 return val & MVPP2_TXQ_PENDING_MASK;
3911 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3912 static struct mvpp2_tx_desc *
3913 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3915 int tx_desc = txq->next_desc_to_proc;
3917 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3918 return txq->descs + tx_desc;
3921 /* Update HW with number of aggregated Tx descriptors to be sent */
3922 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3924 /* aggregated access - relevant TXQ number is written in TX desc */
3925 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3928 /* Get number of sent descriptors and decrement counter.
3929 * The number of sent descriptors is returned.
3932 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
3933 struct mvpp2_tx_queue *txq)
3937 /* Reading status reg resets transmitted descriptor counter */
3938 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
3940 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
3941 MVPP2_TRANSMITTED_COUNT_OFFSET;
3944 static void mvpp2_txq_sent_counter_clear(void *arg)
3946 struct mvpp2_port *port = arg;
3949 for (queue = 0; queue < txq_number; queue++) {
3950 int id = port->txqs[queue]->id;
3952 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
3956 /* Set max sizes for Tx queues */
3957 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
3960 int txq, tx_port_num;
3962 mtu = port->pkt_size * 8;
3963 if (mtu > MVPP2_TXP_MTU_MAX)
3964 mtu = MVPP2_TXP_MTU_MAX;
3966 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
3969 /* Indirect access to registers */
3970 tx_port_num = mvpp2_egress_port(port);
3971 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3974 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
3975 val &= ~MVPP2_TXP_MTU_MAX;
3977 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
3979 /* TXP token size and all TXQs token size must be larger that MTU */
3980 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
3981 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
3984 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
3986 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3989 for (txq = 0; txq < txq_number; txq++) {
3990 val = mvpp2_read(port->priv,
3991 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
3992 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
3996 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
3998 mvpp2_write(port->priv,
3999 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4005 /* Free Tx queue skbuffs */
4006 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4007 struct mvpp2_tx_queue *txq,
4008 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4012 for (i = 0; i < num; i++)
4013 mvpp2_txq_inc_get(txq_pcpu);
4016 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4019 int queue = fls(cause) - 1;
4021 return port->rxqs[queue];
4024 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4027 int queue = fls(cause) - 1;
4029 return port->txqs[queue];
4032 /* Rx/Tx queue initialization/cleanup methods */
4034 /* Allocate and initialize descriptors for aggr TXQ */
4035 static int mvpp2_aggr_txq_init(struct udevice *dev,
4036 struct mvpp2_tx_queue *aggr_txq,
4037 int desc_num, int cpu,
4042 /* Allocate memory for TX descriptors */
4043 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4044 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4045 if (!aggr_txq->descs)
4048 /* Make sure descriptor address is cache line size aligned */
4049 BUG_ON(aggr_txq->descs !=
4050 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4052 aggr_txq->last_desc = aggr_txq->size - 1;
4054 /* Aggr TXQ no reset WA */
4055 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4056 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4058 /* Set Tx descriptors queue starting address indirect
4061 if (priv->hw_version == MVPP21)
4062 txq_dma = aggr_txq->descs_dma;
4064 txq_dma = aggr_txq->descs_dma >>
4065 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4067 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4068 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4073 /* Create a specified Rx queue */
4074 static int mvpp2_rxq_init(struct mvpp2_port *port,
4075 struct mvpp2_rx_queue *rxq)
4080 rxq->size = port->rx_ring_size;
4082 /* Allocate memory for RX descriptors */
4083 rxq->descs = buffer_loc.rx_descs;
4084 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4088 BUG_ON(rxq->descs !=
4089 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4091 rxq->last_desc = rxq->size - 1;
4093 /* Zero occupied and non-occupied counters - direct access */
4094 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4096 /* Set Rx descriptors queue starting address - indirect access */
4097 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4098 if (port->priv->hw_version == MVPP21)
4099 rxq_dma = rxq->descs_dma;
4101 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4102 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4103 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4104 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4107 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4109 /* Add number of descriptors ready for receiving packets */
4110 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4115 /* Push packets received by the RXQ to BM pool */
4116 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4117 struct mvpp2_rx_queue *rxq)
4121 rx_received = mvpp2_rxq_received(port, rxq->id);
4125 for (i = 0; i < rx_received; i++) {
4126 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4127 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4129 mvpp2_pool_refill(port, bm,
4130 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4131 mvpp2_rxdesc_cookie_get(port, rx_desc));
4133 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4136 /* Cleanup Rx queue */
4137 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4138 struct mvpp2_rx_queue *rxq)
4140 mvpp2_rxq_drop_pkts(port, rxq);
4144 rxq->next_desc_to_proc = 0;
4147 /* Clear Rx descriptors queue starting address and size;
4148 * free descriptor number
4150 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4151 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4152 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4153 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4156 /* Create and initialize a Tx queue */
4157 static int mvpp2_txq_init(struct mvpp2_port *port,
4158 struct mvpp2_tx_queue *txq)
4161 int cpu, desc, desc_per_txq, tx_port_num;
4162 struct mvpp2_txq_pcpu *txq_pcpu;
4164 txq->size = port->tx_ring_size;
4166 /* Allocate memory for Tx descriptors */
4167 txq->descs = buffer_loc.tx_descs;
4168 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4172 /* Make sure descriptor address is cache line size aligned */
4173 BUG_ON(txq->descs !=
4174 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4176 txq->last_desc = txq->size - 1;
4178 /* Set Tx descriptors queue starting address - indirect access */
4179 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4180 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4181 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4182 MVPP2_TXQ_DESC_SIZE_MASK);
4183 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4184 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4185 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4186 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4187 val &= ~MVPP2_TXQ_PENDING_MASK;
4188 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4190 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4191 * for each existing TXQ.
4192 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4193 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4196 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4197 (txq->log_id * desc_per_txq);
4199 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4200 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4201 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4203 /* WRR / EJP configuration - indirect access */
4204 tx_port_num = mvpp2_egress_port(port);
4205 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4207 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4208 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4209 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4210 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4211 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4213 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4214 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4217 for_each_present_cpu(cpu) {
4218 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4219 txq_pcpu->size = txq->size;
4225 /* Free allocated TXQ resources */
4226 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4227 struct mvpp2_tx_queue *txq)
4231 txq->next_desc_to_proc = 0;
4234 /* Set minimum bandwidth for disabled TXQs */
4235 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4237 /* Set Tx descriptors queue starting address and size */
4238 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4239 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4240 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4243 /* Cleanup Tx ports */
4244 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4246 struct mvpp2_txq_pcpu *txq_pcpu;
4247 int delay, pending, cpu;
4250 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4251 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4252 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4253 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4255 /* The napi queue has been stopped so wait for all packets
4256 * to be transmitted.
4260 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4261 netdev_warn(port->dev,
4262 "port %d: cleaning queue %d timed out\n",
4263 port->id, txq->log_id);
4269 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4272 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4273 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4275 for_each_present_cpu(cpu) {
4276 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4278 /* Release all packets */
4279 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4282 txq_pcpu->count = 0;
4283 txq_pcpu->txq_put_index = 0;
4284 txq_pcpu->txq_get_index = 0;
4288 /* Cleanup all Tx queues */
4289 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4291 struct mvpp2_tx_queue *txq;
4295 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4297 /* Reset Tx ports and delete Tx queues */
4298 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4299 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4301 for (queue = 0; queue < txq_number; queue++) {
4302 txq = port->txqs[queue];
4303 mvpp2_txq_clean(port, txq);
4304 mvpp2_txq_deinit(port, txq);
4307 mvpp2_txq_sent_counter_clear(port);
4309 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4310 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4313 /* Cleanup all Rx queues */
4314 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4318 for (queue = 0; queue < rxq_number; queue++)
4319 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4322 /* Init all Rx queues for port */
4323 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4327 for (queue = 0; queue < rxq_number; queue++) {
4328 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4335 mvpp2_cleanup_rxqs(port);
4339 /* Init all tx queues for port */
4340 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4342 struct mvpp2_tx_queue *txq;
4345 for (queue = 0; queue < txq_number; queue++) {
4346 txq = port->txqs[queue];
4347 err = mvpp2_txq_init(port, txq);
4352 mvpp2_txq_sent_counter_clear(port);
4356 mvpp2_cleanup_txqs(port);
4361 static void mvpp2_link_event(struct mvpp2_port *port)
4363 struct phy_device *phydev = port->phy_dev;
4364 int status_change = 0;
4368 if ((port->speed != phydev->speed) ||
4369 (port->duplex != phydev->duplex)) {
4372 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4373 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4374 MVPP2_GMAC_CONFIG_GMII_SPEED |
4375 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4376 MVPP2_GMAC_AN_SPEED_EN |
4377 MVPP2_GMAC_AN_DUPLEX_EN);
4380 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4382 if (phydev->speed == SPEED_1000)
4383 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4384 else if (phydev->speed == SPEED_100)
4385 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4387 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4389 port->duplex = phydev->duplex;
4390 port->speed = phydev->speed;
4394 if (phydev->link != port->link) {
4395 if (!phydev->link) {
4400 port->link = phydev->link;
4404 if (status_change) {
4406 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4407 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4408 MVPP2_GMAC_FORCE_LINK_DOWN);
4409 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4410 mvpp2_egress_enable(port);
4411 mvpp2_ingress_enable(port);
4413 mvpp2_ingress_disable(port);
4414 mvpp2_egress_disable(port);
4419 /* Main RX/TX processing routines */
4421 /* Display more error info */
4422 static void mvpp2_rx_error(struct mvpp2_port *port,
4423 struct mvpp2_rx_desc *rx_desc)
4425 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4426 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4428 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4429 case MVPP2_RXD_ERR_CRC:
4430 netdev_err(port->dev, "bad rx status %08x (crc error), size=%zu\n",
4433 case MVPP2_RXD_ERR_OVERRUN:
4434 netdev_err(port->dev, "bad rx status %08x (overrun error), size=%zu\n",
4437 case MVPP2_RXD_ERR_RESOURCE:
4438 netdev_err(port->dev, "bad rx status %08x (resource error), size=%zu\n",
4444 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4445 static int mvpp2_rx_refill(struct mvpp2_port *port,
4446 struct mvpp2_bm_pool *bm_pool,
4447 u32 bm, dma_addr_t dma_addr)
4449 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4453 /* Set hw internals when starting port */
4454 static void mvpp2_start_dev(struct mvpp2_port *port)
4456 switch (port->phy_interface) {
4457 case PHY_INTERFACE_MODE_RGMII:
4458 case PHY_INTERFACE_MODE_RGMII_ID:
4459 case PHY_INTERFACE_MODE_SGMII:
4460 mvpp2_gmac_max_rx_size_set(port);
4465 mvpp2_txp_max_tx_size_set(port);
4467 if (port->priv->hw_version == MVPP21)
4468 mvpp2_port_enable(port);
4470 gop_port_enable(port, 1);
4473 /* Set hw internals when stopping port */
4474 static void mvpp2_stop_dev(struct mvpp2_port *port)
4476 /* Stop new packets from arriving to RXQs */
4477 mvpp2_ingress_disable(port);
4479 mvpp2_egress_disable(port);
4481 if (port->priv->hw_version == MVPP21)
4482 mvpp2_port_disable(port);
4484 gop_port_enable(port, 0);
4487 static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4489 struct phy_device *phy_dev;
4491 if (!port->init || port->link == 0) {
4492 phy_dev = dm_mdio_phy_connect(port->mdio_dev, port->phyaddr,
4493 dev, port->phy_interface);
4496 * If the phy doesn't match with any existing u-boot drivers the
4497 * phy framework will connect it to generic one which
4498 * uid == 0xffffffff. In this case act as if the phy wouldn't be
4499 * declared in dts. Otherwise in case of 3310 (for which the
4500 * driver doesn't exist) the link will not be correctly
4501 * detected. Removing phy entry from dts in case of 3310 is not
4502 * an option because it is required for the phy_fw_down
4506 phy_dev->drv->uid == 0xffffffff) {/* Generic phy */
4507 netdev_warn(port->dev,
4508 "Marking phy as invalid, link will not be checked\n");
4509 /* set phy_addr to invalid value */
4510 port->phyaddr = PHY_MAX_ADDR;
4511 mvpp2_egress_enable(port);
4512 mvpp2_ingress_enable(port);
4517 port->phy_dev = phy_dev;
4519 netdev_err(port->dev, "cannot connect to phy\n");
4522 phy_dev->supported &= PHY_GBIT_FEATURES;
4523 phy_dev->advertising = phy_dev->supported;
4525 port->phy_dev = phy_dev;
4530 phy_config(phy_dev);
4531 phy_startup(phy_dev);
4533 printf("%s: No link\n", phy_dev->dev->name);
4537 mvpp2_egress_enable(port);
4538 mvpp2_ingress_enable(port);
4542 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4544 unsigned char mac_bcast[ETH_ALEN] = {
4545 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4548 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4550 netdev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4553 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4554 port->dev_addr, true);
4556 netdev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4559 err = mvpp2_prs_def_flow(port);
4561 netdev_err(dev, "mvpp2_prs_def_flow failed\n");
4565 /* Allocate the Rx/Tx queues */
4566 err = mvpp2_setup_rxqs(port);
4568 netdev_err(port->dev, "cannot allocate Rx queues\n");
4572 err = mvpp2_setup_txqs(port);
4574 netdev_err(port->dev, "cannot allocate Tx queues\n");
4578 if (port->phyaddr < PHY_MAX_ADDR) {
4579 mvpp2_phy_connect(dev, port);
4580 mvpp2_link_event(port);
4582 mvpp2_egress_enable(port);
4583 mvpp2_ingress_enable(port);
4586 mvpp2_start_dev(port);
4591 /* No Device ops here in U-Boot */
4593 /* Driver initialization */
4595 static void mvpp2_port_power_up(struct mvpp2_port *port)
4597 struct mvpp2 *priv = port->priv;
4599 /* On PPv2.2 the GoP / interface configuration has already been done */
4600 if (priv->hw_version == MVPP21)
4601 mvpp2_port_mii_set(port);
4602 mvpp2_port_periodic_xon_disable(port);
4603 if (priv->hw_version == MVPP21)
4604 mvpp2_port_fc_adv_enable(port);
4605 mvpp2_port_reset(port);
4608 /* Initialize port HW */
4609 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4611 struct mvpp2 *priv = port->priv;
4612 struct mvpp2_txq_pcpu *txq_pcpu;
4613 int queue, cpu, err;
4615 if (port->first_rxq + rxq_number >
4616 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4620 mvpp2_egress_disable(port);
4621 if (priv->hw_version == MVPP21)
4622 mvpp2_port_disable(port);
4624 gop_port_enable(port, 0);
4626 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4631 /* Associate physical Tx queues to this port and initialize.
4632 * The mapping is predefined.
4634 for (queue = 0; queue < txq_number; queue++) {
4635 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4636 struct mvpp2_tx_queue *txq;
4638 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4642 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4647 txq->id = queue_phy_id;
4648 txq->log_id = queue;
4649 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4650 for_each_present_cpu(cpu) {
4651 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4652 txq_pcpu->cpu = cpu;
4655 port->txqs[queue] = txq;
4658 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4663 /* Allocate and initialize Rx queue for this port */
4664 for (queue = 0; queue < rxq_number; queue++) {
4665 struct mvpp2_rx_queue *rxq;
4667 /* Map physical Rx queue to port's logical Rx queue */
4668 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4671 /* Map this Rx queue to a physical queue */
4672 rxq->id = port->first_rxq + queue;
4673 rxq->port = port->id;
4674 rxq->logic_rxq = queue;
4676 port->rxqs[queue] = rxq;
4680 /* Create Rx descriptor rings */
4681 for (queue = 0; queue < rxq_number; queue++) {
4682 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4684 rxq->size = port->rx_ring_size;
4685 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4686 rxq->time_coal = MVPP2_RX_COAL_USEC;
4689 mvpp2_ingress_disable(port);
4691 /* Port default configuration */
4692 mvpp2_defaults_set(port);
4694 /* Port's classifier configuration */
4695 mvpp2_cls_oversize_rxq_set(port);
4696 mvpp2_cls_port_config(port);
4698 /* Provide an initial Rx packet size */
4699 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4701 /* Initialize pools for swf */
4702 err = mvpp2_swf_bm_pool_init(port);
4709 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4711 int port_node = dev_of_offset(dev);
4712 const char *phy_mode_str;
4719 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4723 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
4725 dev_err(&pdev->dev, "could not find phy address\n");
4728 parent = fdt_parent_offset(gd->fdt_blob, phy_node);
4729 ret = uclass_get_device_by_of_offset(UCLASS_MDIO, parent,
4734 /* phy_addr is set to invalid value */
4735 phyaddr = PHY_MAX_ADDR;
4738 phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
4740 phy_mode = phy_get_interface_by_name(phy_mode_str);
4741 if (phy_mode == -1) {
4742 dev_err(&pdev->dev, "incorrect phy mode\n");
4746 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4748 dev_err(&pdev->dev, "missing port-id value\n");
4752 #if CONFIG_IS_ENABLED(DM_GPIO)
4753 gpio_request_by_name(dev, "phy-reset-gpios", 0,
4754 &port->phy_reset_gpio, GPIOD_IS_OUT);
4755 gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
4756 &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
4761 * Not sure if this DT property "phy-speed" will get accepted, so
4762 * this might change later
4764 /* Get phy-speed for SGMII 2.5Gbps vs 1Gbps setup */
4765 port->phy_speed = fdtdec_get_int(gd->fdt_blob, port_node,
4769 if (port->priv->hw_version == MVPP21)
4770 port->first_rxq = port->id * rxq_number;
4772 port->first_rxq = port->id * port->priv->max_port_rxqs;
4773 port->phy_interface = phy_mode;
4774 port->phyaddr = phyaddr;
4779 #if CONFIG_IS_ENABLED(DM_GPIO)
4780 /* Port GPIO initialization */
4781 static void mvpp2_gpio_init(struct mvpp2_port *port)
4783 if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
4784 dm_gpio_set_value(&port->phy_reset_gpio, 1);
4786 dm_gpio_set_value(&port->phy_reset_gpio, 0);
4789 if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
4790 dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
4794 /* Ports initialization */
4795 static int mvpp2_port_probe(struct udevice *dev,
4796 struct mvpp2_port *port,
4802 port->tx_ring_size = MVPP2_MAX_TXD;
4803 port->rx_ring_size = MVPP2_MAX_RXD;
4805 err = mvpp2_port_init(dev, port);
4807 dev_err(&pdev->dev, "failed to init port %d\n", port->id);
4810 mvpp2_port_power_up(port);
4812 #if CONFIG_IS_ENABLED(DM_GPIO)
4813 mvpp2_gpio_init(port);
4816 priv->port_list[port->id] = port;
4821 /* Initialize decoding windows */
4822 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4828 for (i = 0; i < 6; i++) {
4829 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4830 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4833 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4838 for (i = 0; i < dram->num_cs; i++) {
4839 const struct mbus_dram_window *cs = dram->cs + i;
4841 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4842 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4843 dram->mbus_dram_target_id);
4845 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4846 (cs->size - 1) & 0xffff0000);
4848 win_enable |= (1 << i);
4851 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4854 /* Initialize Rx FIFO's */
4855 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4859 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4860 if (priv->hw_version == MVPP22) {
4863 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4864 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4866 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4867 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4868 } else if (port == 1) {
4870 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4871 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4873 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4874 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4877 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4878 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4880 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4881 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4884 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4885 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4886 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4887 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4891 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4892 MVPP2_RX_FIFO_PORT_MIN_PKT);
4893 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4896 /* Initialize Tx FIFO's */
4897 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4901 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4902 /* Port 0 supports 10KB TX FIFO */
4904 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4905 MVPP22_TX_FIFO_SIZE_MASK;
4907 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4908 MVPP22_TX_FIFO_SIZE_MASK;
4910 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4914 static void mvpp2_axi_init(struct mvpp2 *priv)
4916 u32 val, rdval, wrval;
4918 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4920 /* AXI Bridge Configuration */
4922 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
4923 << MVPP22_AXI_ATTR_CACHE_OFFS;
4924 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4925 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4927 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
4928 << MVPP22_AXI_ATTR_CACHE_OFFS;
4929 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4930 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4933 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
4934 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
4937 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
4938 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
4939 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
4940 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
4943 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
4944 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
4946 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
4947 << MVPP22_AXI_CODE_CACHE_OFFS;
4948 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
4949 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4950 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
4951 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
4953 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
4954 << MVPP22_AXI_CODE_CACHE_OFFS;
4955 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4956 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4958 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
4960 val = MVPP22_AXI_CODE_CACHE_WR_CACHE
4961 << MVPP22_AXI_CODE_CACHE_OFFS;
4962 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4963 << MVPP22_AXI_CODE_DOMAIN_OFFS;
4965 mvpp2_write(priv, MVPP22_AXI_WR_SNOOP_CODE_REG, val);
4968 /* Initialize network controller common part HW */
4969 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
4971 const struct mbus_dram_target_info *dram_target_info;
4975 /* Checks for hardware constraints (U-Boot uses only one rxq) */
4976 if ((rxq_number > priv->max_port_rxqs) ||
4977 (txq_number > MVPP2_MAX_TXQ)) {
4978 dev_err(&pdev->dev, "invalid queue size parameter\n");
4982 if (priv->hw_version == MVPP22)
4983 mvpp2_axi_init(priv);
4985 /* MBUS windows configuration */
4986 dram_target_info = mvebu_mbus_dram_info();
4987 if (dram_target_info)
4988 mvpp2_conf_mbus_windows(dram_target_info, priv);
4991 if (priv->hw_version == MVPP21) {
4992 /* Disable HW PHY polling */
4993 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4994 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
4995 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
4997 /* Enable HW PHY polling */
4998 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
4999 val |= MVPP22_SMI_POLLING_EN;
5000 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5003 /* Allocate and initialize aggregated TXQs */
5004 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
5005 sizeof(struct mvpp2_tx_queue),
5007 if (!priv->aggr_txqs)
5010 for_each_present_cpu(i) {
5011 priv->aggr_txqs[i].id = i;
5012 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
5013 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
5014 MVPP2_AGGR_TXQ_SIZE, i, priv);
5020 mvpp2_rx_fifo_init(priv);
5023 if (priv->hw_version == MVPP22)
5024 mvpp2_tx_fifo_init(priv);
5026 if (priv->hw_version == MVPP21)
5027 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5028 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5030 /* Allow cache snoop when transmiting packets */
5031 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5033 /* Buffer Manager initialization */
5034 err = mvpp2_bm_init(dev, priv);
5038 /* Parser default initialization */
5039 err = mvpp2_prs_default_init(dev, priv);
5043 /* Classifier default initialization */
5044 mvpp2_cls_init(priv);
5049 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5051 struct mvpp2_port *port = dev_get_priv(dev);
5052 struct mvpp2_rx_desc *rx_desc;
5053 struct mvpp2_bm_pool *bm_pool;
5054 dma_addr_t dma_addr;
5056 int pool, rx_bytes, err;
5058 struct mvpp2_rx_queue *rxq;
5061 if (port->phyaddr < PHY_MAX_ADDR)
5062 if (!port->phy_dev->link)
5065 /* Process RX packets */
5066 rxq = port->rxqs[0];
5068 /* Get number of received packets and clamp the to-do */
5069 rx_received = mvpp2_rxq_received(port, rxq->id);
5071 /* Return if no packets are received */
5075 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5076 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5077 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5078 rx_bytes -= MVPP2_MH_SIZE;
5079 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5081 bm = mvpp2_bm_cookie_build(port, rx_desc);
5082 pool = mvpp2_bm_cookie_pool_get(bm);
5083 bm_pool = &port->priv->bm_pools[pool];
5085 /* In case of an error, release the requested buffer pointer
5086 * to the Buffer Manager. This request process is controlled
5087 * by the hardware, and the information about the buffer is
5088 * comprised by the RX descriptor.
5090 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5091 mvpp2_rx_error(port, rx_desc);
5092 /* Return the buffer to the pool */
5093 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5097 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5099 netdev_err(port->dev, "failed to refill BM pools\n");
5103 /* Update Rx queue management counters */
5105 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5107 /* give packet to stack - skip on first n bytes */
5108 data = (u8 *)dma_addr + 2 + 32;
5114 * No cache invalidation needed here, since the rx_buffer's are
5115 * located in a uncached memory region
5122 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5124 struct mvpp2_port *port = dev_get_priv(dev);
5125 struct mvpp2_tx_queue *txq, *aggr_txq;
5126 struct mvpp2_tx_desc *tx_desc;
5130 if (port->phyaddr < PHY_MAX_ADDR)
5131 if (!port->phy_dev->link)
5134 txq = port->txqs[0];
5135 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5137 /* Get a descriptor for the first part of the packet */
5138 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5139 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5140 mvpp2_txdesc_size_set(port, tx_desc, length);
5141 mvpp2_txdesc_offset_set(port, tx_desc,
5142 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5143 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5144 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5145 /* First and Last descriptor */
5146 mvpp2_txdesc_cmd_set(port, tx_desc,
5147 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5148 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5151 flush_dcache_range((unsigned long)packet,
5152 (unsigned long)packet + ALIGN(length, PKTALIGN));
5154 /* Enable transmit */
5156 mvpp2_aggr_txq_pend_desc_add(port, 1);
5158 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5162 if (timeout++ > 10000) {
5163 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5166 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5171 if (timeout++ > 10000) {
5172 printf("timeout: packet not sent\n");
5175 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5181 static int mvpp2_start(struct udevice *dev)
5183 struct eth_pdata *pdata = dev_get_platdata(dev);
5184 struct mvpp2_port *port = dev_get_priv(dev);
5186 /* Load current MAC address */
5187 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5189 /* Reconfigure parser accept the original MAC address */
5190 mvpp2_prs_update_mac_da(port, port->dev_addr);
5192 switch (port->phy_interface) {
5193 case PHY_INTERFACE_MODE_RGMII:
5194 case PHY_INTERFACE_MODE_RGMII_ID:
5195 case PHY_INTERFACE_MODE_SGMII:
5196 mvpp2_port_power_up(port);
5201 mvpp2_open(dev, port);
5206 static void mvpp2_stop(struct udevice *dev)
5208 struct mvpp2_port *port = dev_get_priv(dev);
5210 mvpp2_stop_dev(port);
5211 mvpp2_cleanup_rxqs(port);
5212 mvpp2_cleanup_txqs(port);
5215 static int mvpp2_write_hwaddr(struct udevice *dev)
5217 struct mvpp2_port *port = dev_get_priv(dev);
5219 return mvpp2_prs_update_mac_da(port, port->dev_addr);
5222 static int mvpp22_smi_phy_addr_cfg(struct mvpp2_port *port)
5224 writel(port->phyaddr, port->priv->iface_base +
5225 MVPP22_SMI_PHY_ADDR_REG(port->gop_id));
5230 static int mvpp2_base_probe(struct udevice *dev)
5232 struct mvpp2 *priv = dev_get_priv(dev);
5237 /* Save hw-version */
5238 priv->hw_version = dev_get_driver_data(dev);
5241 * U-Boot special buffer handling:
5243 * Allocate buffer area for descs and rx_buffers. This is only
5244 * done once for all interfaces. As only one interface can
5245 * be active. Make this area DMA-safe by disabling the D-cache
5248 /* Align buffer area for descs and rx_buffers to 1MiB */
5249 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5250 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5251 BD_SPACE, DCACHE_OFF);
5253 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5254 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5256 buffer_loc.tx_descs =
5257 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5258 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5260 buffer_loc.rx_descs =
5261 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5262 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5264 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5265 buffer_loc.bm_pool[i] =
5266 (unsigned long *)((unsigned long)bd_space + size);
5267 if (priv->hw_version == MVPP21)
5268 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5270 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5273 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5274 buffer_loc.rx_buffer[i] =
5275 (unsigned long *)((unsigned long)bd_space + size);
5276 size += RX_BUFFER_SIZE;
5279 /* Clear the complete area so that all descriptors are cleared */
5280 memset(bd_space, 0, size);
5282 /* Save base addresses for later use */
5283 priv->base = (void *)devfdt_get_addr_index(dev, 0);
5284 if (IS_ERR(priv->base))
5285 return PTR_ERR(priv->base);
5287 if (priv->hw_version == MVPP21) {
5288 priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
5289 if (IS_ERR(priv->lms_base))
5290 return PTR_ERR(priv->lms_base);
5292 priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
5293 if (IS_ERR(priv->iface_base))
5294 return PTR_ERR(priv->iface_base);
5296 /* Store common base addresses for all ports */
5297 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5298 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5299 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5302 if (priv->hw_version == MVPP21)
5303 priv->max_port_rxqs = 8;
5305 priv->max_port_rxqs = 32;
5310 static int mvpp2_probe(struct udevice *dev)
5312 struct mvpp2_port *port = dev_get_priv(dev);
5313 struct mvpp2 *priv = dev_get_priv(dev->parent);
5316 /* Only call the probe function for the parent once */
5317 if (!priv->probe_done)
5318 err = mvpp2_base_probe(dev->parent);
5322 err = phy_info_parse(dev, port);
5327 * We need the port specific io base addresses at this stage, since
5328 * gop_port_init() accesses these registers
5330 if (priv->hw_version == MVPP21) {
5331 int priv_common_regs_num = 2;
5333 port->base = (void __iomem *)devfdt_get_addr_index(
5334 dev->parent, priv_common_regs_num + port->id);
5335 if (IS_ERR(port->base))
5336 return PTR_ERR(port->base);
5338 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5340 if (port->id == -1) {
5341 dev_err(&pdev->dev, "missing gop-port-id value\n");
5345 port->base = priv->iface_base + MVPP22_PORT_BASE +
5346 port->gop_id * MVPP22_PORT_OFFSET;
5348 /* Set phy address of the port */
5349 if (port->phyaddr < PHY_MAX_ADDR)
5350 mvpp22_smi_phy_addr_cfg(port);
5353 gop_port_init(port);
5356 if (!priv->probe_done) {
5357 /* Initialize network controller */
5358 err = mvpp2_init(dev, priv);
5360 dev_err(&pdev->dev, "failed to initialize controller\n");
5363 priv->num_ports = 0;
5364 priv->probe_done = 1;
5367 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5371 if (priv->hw_version == MVPP22) {
5372 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5373 port->phy_interface);
5375 /* Netcomplex configurations for all ports */
5376 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5377 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5384 * Empty BM pool and stop its activity before the OS is started
5386 static int mvpp2_remove(struct udevice *dev)
5388 struct mvpp2_port *port = dev_get_priv(dev);
5389 struct mvpp2 *priv = port->priv;
5394 if (priv->num_ports)
5397 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
5398 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
5403 static const struct eth_ops mvpp2_ops = {
5404 .start = mvpp2_start,
5408 .write_hwaddr = mvpp2_write_hwaddr
5411 static struct driver mvpp2_driver = {
5414 .probe = mvpp2_probe,
5415 .remove = mvpp2_remove,
5417 .priv_auto_alloc_size = sizeof(struct mvpp2_port),
5418 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
5419 .flags = DM_FLAG_ACTIVE_DMA,
5423 * Use a MISC device to bind the n instances (child nodes) of the
5424 * network base controller in UCLASS_ETH.
5426 static int mvpp2_base_bind(struct udevice *parent)
5428 const void *blob = gd->fdt_blob;
5429 int node = dev_of_offset(parent);
5430 struct uclass_driver *drv;
5431 struct udevice *dev;
5432 struct eth_pdata *plat;
5438 /* Lookup eth driver */
5439 drv = lists_uclass_lookup(UCLASS_ETH);
5441 puts("Cannot find eth driver\n");
5445 base_id_add = base_id;
5447 fdt_for_each_subnode(subnode, blob, node) {
5448 /* Increment base_id for all subnodes, also the disabled ones */
5451 /* Skip disabled ports */
5452 if (!fdtdec_get_is_enabled(blob, subnode))
5455 plat = calloc(1, sizeof(*plat));
5459 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5462 name = calloc(1, 16);
5467 sprintf(name, "mvpp2-%d", id);
5469 /* Create child device UCLASS_ETH and bind it */
5470 device_bind(parent, &mvpp2_driver, name, plat, subnode, &dev);
5471 dev_set_of_offset(dev, subnode);
5477 static const struct udevice_id mvpp2_ids[] = {
5479 .compatible = "marvell,armada-375-pp2",
5483 .compatible = "marvell,armada-7k-pp22",
5489 U_BOOT_DRIVER(mvpp2_base) = {
5490 .name = "mvpp2_base",
5492 .of_match = mvpp2_ids,
5493 .bind = mvpp2_base_bind,
5494 .priv_auto_alloc_size = sizeof(struct mvpp2),