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Kumar Gala2683c532011-04-13 08:37:44 -05001/*
Roy Zangbafd8032012-10-08 07:44:21 +00002 * Copyright 2009-2012 Freescale Semiconductor, Inc.
Kumar Gala2683c532011-04-13 08:37:44 -05003 * Dave Liu <daveliu@freescale.com>
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Kumar Gala2683c532011-04-13 08:37:44 -05006 */
7#include <common.h>
8#include <asm/io.h>
9#include <malloc.h>
10#include <net.h>
11#include <hwconfig.h>
12#include <fm_eth.h>
13#include <fsl_mdio.h>
14#include <miiphy.h>
15#include <phy.h>
Shaohui Xie513eaf22015-10-26 19:47:47 +080016#include <fsl_dtsec.h>
17#include <fsl_tgec.h>
Shaohui Xie835c72b2015-03-20 19:28:19 -070018#include <fsl_memac.h>
Kumar Gala2683c532011-04-13 08:37:44 -050019
20#include "fm.h"
21
22static struct eth_device *devlist[NUM_FM_PORTS];
23static int num_controllers;
24
25#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
26
27#define TBIANA_SETTINGS (TBIANA_ASYMMETRIC_PAUSE | TBIANA_SYMMETRIC_PAUSE | \
28 TBIANA_FULL_DUPLEX)
29
30#define TBIANA_SGMII_ACK 0x4001
31
32#define TBICR_SETTINGS (TBICR_ANEG_ENABLE | TBICR_RESTART_ANEG | \
33 TBICR_FULL_DUPLEX | TBICR_SPEED1_SET)
34
35/* Configure the TBI for SGMII operation */
Kim Phillips914b0782012-10-29 13:34:34 +000036static void dtsec_configure_serdes(struct fm_eth *priv)
Kumar Gala2683c532011-04-13 08:37:44 -050037{
Roy Zangbafd8032012-10-08 07:44:21 +000038#ifdef CONFIG_SYS_FMAN_V3
39 u32 value;
40 struct mii_dev bus;
41 bus.priv = priv->mac->phyregs;
Shengzhou Liu95403682014-10-23 17:20:57 +080042 bool sgmii_2500 = (priv->enet_if ==
43 PHY_INTERFACE_MODE_SGMII_2500) ? true : false;
Shaohui Xie1b295122015-10-26 19:47:48 +080044 int i = 0;
Roy Zangbafd8032012-10-08 07:44:21 +000045
Shaohui Xie1b295122015-10-26 19:47:48 +080046qsgmii_loop:
Shengzhou Liu95403682014-10-23 17:20:57 +080047 /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */
48 value = PHY_SGMII_IF_MODE_SGMII;
49 if (!sgmii_2500)
50 value |= PHY_SGMII_IF_MODE_AN;
51
Shaohui Xie1b295122015-10-26 19:47:48 +080052 memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x14, value);
Roy Zangbafd8032012-10-08 07:44:21 +000053
54 /* Dev ability according to SGMII specification */
55 value = PHY_SGMII_DEV_ABILITY_SGMII;
Shaohui Xie1b295122015-10-26 19:47:48 +080056 memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x4, value);
Roy Zangbafd8032012-10-08 07:44:21 +000057
58 /* Adjust link timer for SGMII -
59 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */
Shaohui Xie1b295122015-10-26 19:47:48 +080060 memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x3);
61 memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0xd40);
Roy Zangbafd8032012-10-08 07:44:21 +000062
63 /* Restart AN */
Shengzhou Liu95403682014-10-23 17:20:57 +080064 value = PHY_SGMII_CR_DEF_VAL;
65 if (!sgmii_2500)
66 value |= PHY_SGMII_CR_RESET_AN;
Shaohui Xie1b295122015-10-26 19:47:48 +080067 memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0, value);
68
69 if ((priv->enet_if == PHY_INTERFACE_MODE_QSGMII) && (i < 3)) {
70 i++;
71 goto qsgmii_loop;
72 }
Roy Zangbafd8032012-10-08 07:44:21 +000073#else
Kumar Gala2683c532011-04-13 08:37:44 -050074 struct dtsec *regs = priv->mac->base;
75 struct tsec_mii_mng *phyregs = priv->mac->phyregs;
76
77 /*
78 * Access TBI PHY registers at given TSEC register offset as
79 * opposed to the register offset used for external PHY accesses
80 */
81 tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_TBICON,
82 TBICON_CLK_SELECT);
83 tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_ANA,
84 TBIANA_SGMII_ACK);
85 tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0,
86 TBI_CR, TBICR_SETTINGS);
Roy Zangbafd8032012-10-08 07:44:21 +000087#endif
Kumar Gala2683c532011-04-13 08:37:44 -050088}
89
90static void dtsec_init_phy(struct eth_device *dev)
91{
92 struct fm_eth *fm_eth = dev->priv;
Roy Zangbafd8032012-10-08 07:44:21 +000093#ifndef CONFIG_SYS_FMAN_V3
shaohui xie842e59e2012-10-11 20:25:36 +000094 struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR;
95
Kumar Gala2683c532011-04-13 08:37:44 -050096 /* Assign a Physical address to the TBI */
97 out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
Roy Zangbafd8032012-10-08 07:44:21 +000098#endif
Kumar Gala2683c532011-04-13 08:37:44 -050099
Shengzhou Liu95403682014-10-23 17:20:57 +0800100 if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII ||
Shaohui Xie1b295122015-10-26 19:47:48 +0800101 fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII ||
Shengzhou Liu95403682014-10-23 17:20:57 +0800102 fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500)
Kumar Gala2683c532011-04-13 08:37:44 -0500103 dtsec_configure_serdes(fm_eth);
104}
105
Shaohui Xieab687cc2015-10-26 19:47:46 +0800106#ifdef CONFIG_PHYLIB
Kumar Gala2683c532011-04-13 08:37:44 -0500107static int tgec_is_fibre(struct eth_device *dev)
108{
109 struct fm_eth *fm = dev->priv;
110 char phyopt[20];
111
112 sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1);
113
114 return hwconfig_arg_cmp(phyopt, "xfi");
115}
116#endif
Shaohui Xieab687cc2015-10-26 19:47:46 +0800117#endif
Kumar Gala2683c532011-04-13 08:37:44 -0500118
119static u16 muram_readw(u16 *addr)
120{
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800121 ulong base = (ulong)addr & ~0x3UL;
122 u32 val32 = in_be32((void *)base);
Kumar Gala2683c532011-04-13 08:37:44 -0500123 int byte_pos;
124 u16 ret;
125
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800126 byte_pos = (ulong)addr & 0x3UL;
Kumar Gala2683c532011-04-13 08:37:44 -0500127 if (byte_pos)
128 ret = (u16)(val32 & 0x0000ffff);
129 else
130 ret = (u16)((val32 & 0xffff0000) >> 16);
131
132 return ret;
133}
134
135static void muram_writew(u16 *addr, u16 val)
136{
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800137 ulong base = (ulong)addr & ~0x3UL;
138 u32 org32 = in_be32((void *)base);
Kumar Gala2683c532011-04-13 08:37:44 -0500139 u32 val32;
140 int byte_pos;
141
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800142 byte_pos = (ulong)addr & 0x3UL;
Kumar Gala2683c532011-04-13 08:37:44 -0500143 if (byte_pos)
144 val32 = (org32 & 0xffff0000) | val;
145 else
146 val32 = (org32 & 0x0000ffff) | ((u32)val << 16);
147
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800148 out_be32((void *)base, val32);
Kumar Gala2683c532011-04-13 08:37:44 -0500149}
150
151static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port)
152{
153 int timeout = 1000000;
154
155 clrbits_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_EN);
156
157 /* wait until the rx port is not busy */
158 while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--)
159 ;
160}
161
162static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port)
163{
164 /* set BMI to independent mode, Rx port disable */
165 out_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_IM);
166 /* clear FOF in IM case */
167 out_be32(&rx_port->fmbm_rim, 0);
168 /* Rx frame next engine -RISC */
169 out_be32(&rx_port->fmbm_rfne, NIA_ENG_RISC | NIA_RISC_AC_IM_RX);
170 /* Rx command attribute - no order, MR[3] = 1 */
171 clrbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_ORDER | FMBM_RFCA_MR_MASK);
172 setbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_MR(4));
173 /* enable Rx statistic counters */
174 out_be32(&rx_port->fmbm_rstc, FMBM_RSTC_EN);
175 /* disable Rx performance counters */
176 out_be32(&rx_port->fmbm_rpc, 0);
177}
178
179static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port)
180{
181 int timeout = 1000000;
182
183 clrbits_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_EN);
184
185 /* wait until the tx port is not busy */
186 while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--)
187 ;
188}
189
190static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port)
191{
192 /* set BMI to independent mode, Tx port disable */
193 out_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_IM);
194 /* Tx frame next engine -RISC */
195 out_be32(&tx_port->fmbm_tfne, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
196 out_be32(&tx_port->fmbm_tfene, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
197 /* Tx command attribute - no order, MR[3] = 1 */
198 clrbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_ORDER | FMBM_TFCA_MR_MASK);
199 setbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_MR(4));
200 /* enable Tx statistic counters */
201 out_be32(&tx_port->fmbm_tstc, FMBM_TSTC_EN);
202 /* disable Tx performance counters */
203 out_be32(&tx_port->fmbm_tpc, 0);
204}
205
206static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth)
207{
208 struct fm_port_global_pram *pram;
209 u32 pram_page_offset;
210 void *rx_bd_ring_base;
211 void *rx_buf_pool;
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800212 u32 bd_ring_base_lo, bd_ring_base_hi;
213 u32 buf_lo, buf_hi;
Kumar Gala2683c532011-04-13 08:37:44 -0500214 struct fm_port_bd *rxbd;
215 struct fm_port_qd *rxqd;
216 struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port;
217 int i;
218
219 /* alloc global parameter ram at MURAM */
220 pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
221 FM_PRAM_SIZE, FM_PRAM_ALIGN);
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800222 if (!pram) {
223 printf("%s: No muram for Rx global parameter\n", __func__);
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800224 return -ENOMEM;
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800225 }
226
Kumar Gala2683c532011-04-13 08:37:44 -0500227 fm_eth->rx_pram = pram;
228
229 /* parameter page offset to MURAM */
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800230 pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index);
Kumar Gala2683c532011-04-13 08:37:44 -0500231
232 /* enable global mode- snooping data buffers and BDs */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800233 out_be32(&pram->mode, PRAM_MODE_GLOBAL);
Kumar Gala2683c532011-04-13 08:37:44 -0500234
235 /* init the Rx queue descriptor pionter */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800236 out_be32(&pram->rxqd_ptr, pram_page_offset + 0x20);
Kumar Gala2683c532011-04-13 08:37:44 -0500237
238 /* set the max receive buffer length, power of 2 */
239 muram_writew(&pram->mrblr, MAX_RXBUF_LOG2);
240
241 /* alloc Rx buffer descriptors from main memory */
242 rx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
243 * RX_BD_RING_SIZE);
244 if (!rx_bd_ring_base)
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800245 return -ENOMEM;
246
Kumar Gala2683c532011-04-13 08:37:44 -0500247 memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd)
248 * RX_BD_RING_SIZE);
249
250 /* alloc Rx buffer from main memory */
251 rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE);
252 if (!rx_buf_pool)
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800253 return -ENOMEM;
254
Kumar Gala2683c532011-04-13 08:37:44 -0500255 memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE);
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800256 debug("%s: rx_buf_pool = %p\n", __func__, rx_buf_pool);
Kumar Gala2683c532011-04-13 08:37:44 -0500257
258 /* save them to fm_eth */
259 fm_eth->rx_bd_ring = rx_bd_ring_base;
260 fm_eth->cur_rxbd = rx_bd_ring_base;
261 fm_eth->rx_buf = rx_buf_pool;
262
263 /* init Rx BDs ring */
264 rxbd = (struct fm_port_bd *)rx_bd_ring_base;
265 for (i = 0; i < RX_BD_RING_SIZE; i++) {
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800266 muram_writew(&rxbd->status, RxBD_EMPTY);
267 muram_writew(&rxbd->len, 0);
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800268 buf_hi = upper_32_bits(virt_to_phys(rx_buf_pool +
269 i * MAX_RXBUF_LEN));
270 buf_lo = lower_32_bits(virt_to_phys(rx_buf_pool +
271 i * MAX_RXBUF_LEN));
272 muram_writew(&rxbd->buf_ptr_hi, (u16)buf_hi);
273 out_be32(&rxbd->buf_ptr_lo, buf_lo);
Kumar Gala2683c532011-04-13 08:37:44 -0500274 rxbd++;
275 }
276
277 /* set the Rx queue descriptor */
278 rxqd = &pram->rxqd;
279 muram_writew(&rxqd->gen, 0);
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800280 bd_ring_base_hi = upper_32_bits(virt_to_phys(rx_bd_ring_base));
281 bd_ring_base_lo = lower_32_bits(virt_to_phys(rx_bd_ring_base));
282 muram_writew(&rxqd->bd_ring_base_hi, (u16)bd_ring_base_hi);
283 out_be32(&rxqd->bd_ring_base_lo, bd_ring_base_lo);
Kumar Gala2683c532011-04-13 08:37:44 -0500284 muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd)
285 * RX_BD_RING_SIZE);
286 muram_writew(&rxqd->offset_in, 0);
287 muram_writew(&rxqd->offset_out, 0);
288
289 /* set IM parameter ram pointer to Rx Frame Queue ID */
290 out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset);
291
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800292 return 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500293}
294
295static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth)
296{
297 struct fm_port_global_pram *pram;
298 u32 pram_page_offset;
299 void *tx_bd_ring_base;
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800300 u32 bd_ring_base_lo, bd_ring_base_hi;
Kumar Gala2683c532011-04-13 08:37:44 -0500301 struct fm_port_bd *txbd;
302 struct fm_port_qd *txqd;
303 struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port;
304 int i;
305
306 /* alloc global parameter ram at MURAM */
307 pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
308 FM_PRAM_SIZE, FM_PRAM_ALIGN);
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800309 if (!pram) {
310 printf("%s: No muram for Tx global parameter\n", __func__);
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800311 return -ENOMEM;
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800312 }
Kumar Gala2683c532011-04-13 08:37:44 -0500313 fm_eth->tx_pram = pram;
314
315 /* parameter page offset to MURAM */
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800316 pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index);
Kumar Gala2683c532011-04-13 08:37:44 -0500317
318 /* enable global mode- snooping data buffers and BDs */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800319 out_be32(&pram->mode, PRAM_MODE_GLOBAL);
Kumar Gala2683c532011-04-13 08:37:44 -0500320
321 /* init the Tx queue descriptor pionter */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800322 out_be32(&pram->txqd_ptr, pram_page_offset + 0x40);
Kumar Gala2683c532011-04-13 08:37:44 -0500323
324 /* alloc Tx buffer descriptors from main memory */
325 tx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
326 * TX_BD_RING_SIZE);
327 if (!tx_bd_ring_base)
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800328 return -ENOMEM;
329
Kumar Gala2683c532011-04-13 08:37:44 -0500330 memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd)
331 * TX_BD_RING_SIZE);
332 /* save it to fm_eth */
333 fm_eth->tx_bd_ring = tx_bd_ring_base;
334 fm_eth->cur_txbd = tx_bd_ring_base;
335
336 /* init Tx BDs ring */
337 txbd = (struct fm_port_bd *)tx_bd_ring_base;
338 for (i = 0; i < TX_BD_RING_SIZE; i++) {
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800339 muram_writew(&txbd->status, TxBD_LAST);
340 muram_writew(&txbd->len, 0);
341 muram_writew(&txbd->buf_ptr_hi, 0);
342 out_be32(&txbd->buf_ptr_lo, 0);
343 txbd++;
Kumar Gala2683c532011-04-13 08:37:44 -0500344 }
345
346 /* set the Tx queue decriptor */
347 txqd = &pram->txqd;
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800348 bd_ring_base_hi = upper_32_bits(virt_to_phys(tx_bd_ring_base));
349 bd_ring_base_lo = lower_32_bits(virt_to_phys(tx_bd_ring_base));
350 muram_writew(&txqd->bd_ring_base_hi, (u16)bd_ring_base_hi);
351 out_be32(&txqd->bd_ring_base_lo, bd_ring_base_lo);
Kumar Gala2683c532011-04-13 08:37:44 -0500352 muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd)
353 * TX_BD_RING_SIZE);
354 muram_writew(&txqd->offset_in, 0);
355 muram_writew(&txqd->offset_out, 0);
356
357 /* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */
358 out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset);
359
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800360 return 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500361}
362
363static int fm_eth_init(struct fm_eth *fm_eth)
364{
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800365 int ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500366
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800367 ret = fm_eth_rx_port_parameter_init(fm_eth);
368 if (ret)
369 return ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500370
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800371 ret = fm_eth_tx_port_parameter_init(fm_eth);
372 if (ret)
373 return ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500374
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800375 return 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500376}
377
378static int fm_eth_startup(struct fm_eth *fm_eth)
379{
380 struct fsl_enet_mac *mac;
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800381 int ret;
382
Kumar Gala2683c532011-04-13 08:37:44 -0500383 mac = fm_eth->mac;
384
385 /* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800386 ret = fm_eth_init(fm_eth);
387 if (ret)
388 return ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500389 /* setup the MAC controller */
390 mac->init_mac(mac);
391
392 /* For some reason we need to set SPEED_100 */
Shaohui Xiec218d292013-08-19 18:58:52 +0800393 if (((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) ||
394 (fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII)) &&
395 mac->set_if_mode)
Kumar Gala2683c532011-04-13 08:37:44 -0500396 mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
397
398 /* init bmi rx port, IM mode and disable */
399 bmi_rx_port_init(fm_eth->rx_port);
400 /* init bmi tx port, IM mode and disable */
401 bmi_tx_port_init(fm_eth->tx_port);
402
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800403 return 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500404}
405
406static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
407{
408 struct fm_port_global_pram *pram;
409
410 pram = fm_eth->tx_pram;
411 /* graceful stop transmission of frames */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800412 setbits_be32(&pram->mode, PRAM_MODE_GRACEFUL_STOP);
Kumar Gala2683c532011-04-13 08:37:44 -0500413 sync();
414}
415
416static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
417{
418 struct fm_port_global_pram *pram;
419
420 pram = fm_eth->tx_pram;
421 /* re-enable transmission of frames */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800422 clrbits_be32(&pram->mode, PRAM_MODE_GRACEFUL_STOP);
Kumar Gala2683c532011-04-13 08:37:44 -0500423 sync();
424}
425
426static int fm_eth_open(struct eth_device *dev, bd_t *bd)
427{
428 struct fm_eth *fm_eth;
429 struct fsl_enet_mac *mac;
Timur Tabi42387462012-07-09 08:52:43 +0000430#ifdef CONFIG_PHYLIB
431 int ret;
432#endif
Kumar Gala2683c532011-04-13 08:37:44 -0500433
434 fm_eth = (struct fm_eth *)dev->priv;
435 mac = fm_eth->mac;
436
437 /* setup the MAC address */
438 if (dev->enetaddr[0] & 0x01) {
439 printf("%s: MacAddress is multcast address\n", __func__);
440 return 1;
441 }
442 mac->set_mac_addr(mac, dev->enetaddr);
443
444 /* enable bmi Rx port */
445 setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
446 /* enable MAC rx/tx port */
447 mac->enable_mac(mac);
448 /* enable bmi Tx port */
449 setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
450 /* re-enable transmission of frame */
451 fmc_tx_port_graceful_stop_disable(fm_eth);
452
453#ifdef CONFIG_PHYLIB
Codrin Ciubotariu1ee90f92015-01-12 14:08:29 +0200454 if (fm_eth->phydev) {
455 ret = phy_startup(fm_eth->phydev);
456 if (ret) {
457 printf("%s: Could not initialize\n",
458 fm_eth->phydev->dev->name);
459 return ret;
460 }
461 } else {
462 return 0;
Timur Tabi42387462012-07-09 08:52:43 +0000463 }
Kumar Gala2683c532011-04-13 08:37:44 -0500464#else
465 fm_eth->phydev->speed = SPEED_1000;
466 fm_eth->phydev->link = 1;
467 fm_eth->phydev->duplex = DUPLEX_FULL;
468#endif
469
470 /* set the MAC-PHY mode */
471 mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
472
473 if (!fm_eth->phydev->link)
474 printf("%s: No link.\n", fm_eth->phydev->dev->name);
475
476 return fm_eth->phydev->link ? 0 : -1;
477}
478
479static void fm_eth_halt(struct eth_device *dev)
480{
481 struct fm_eth *fm_eth;
482 struct fsl_enet_mac *mac;
483
484 fm_eth = (struct fm_eth *)dev->priv;
485 mac = fm_eth->mac;
486
487 /* graceful stop the transmission of frames */
488 fmc_tx_port_graceful_stop_enable(fm_eth);
489 /* disable bmi Tx port */
490 bmi_tx_port_disable(fm_eth->tx_port);
491 /* disable MAC rx/tx port */
492 mac->disable_mac(mac);
493 /* disable bmi Rx port */
494 bmi_rx_port_disable(fm_eth->rx_port);
495
Shaohui Xieab687cc2015-10-26 19:47:46 +0800496#ifdef CONFIG_PHYLIB
Codrin Ciubotariu1ee90f92015-01-12 14:08:29 +0200497 if (fm_eth->phydev)
498 phy_shutdown(fm_eth->phydev);
Shaohui Xieab687cc2015-10-26 19:47:46 +0800499#endif
Kumar Gala2683c532011-04-13 08:37:44 -0500500}
501
Joe Hershberger44cfb452012-05-22 07:56:15 +0000502static int fm_eth_send(struct eth_device *dev, void *buf, int len)
Kumar Gala2683c532011-04-13 08:37:44 -0500503{
504 struct fm_eth *fm_eth;
505 struct fm_port_global_pram *pram;
506 struct fm_port_bd *txbd, *txbd_base;
507 u16 offset_in;
508 int i;
509
510 fm_eth = (struct fm_eth *)dev->priv;
511 pram = fm_eth->tx_pram;
512 txbd = fm_eth->cur_txbd;
513
514 /* find one empty TxBD */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800515 for (i = 0; muram_readw(&txbd->status) & TxBD_READY; i++) {
Kumar Gala2683c532011-04-13 08:37:44 -0500516 udelay(100);
517 if (i > 0x1000) {
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800518 printf("%s: Tx buffer not ready, txbd->status = 0x%x\n",
519 dev->name, muram_readw(&txbd->status));
Kumar Gala2683c532011-04-13 08:37:44 -0500520 return 0;
521 }
522 }
523 /* setup TxBD */
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800524 muram_writew(&txbd->buf_ptr_hi, (u16)upper_32_bits(virt_to_phys(buf)));
525 out_be32(&txbd->buf_ptr_lo, lower_32_bits(virt_to_phys(buf)));
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800526 muram_writew(&txbd->len, len);
Kumar Gala2683c532011-04-13 08:37:44 -0500527 sync();
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800528 muram_writew(&txbd->status, TxBD_READY | TxBD_LAST);
Kumar Gala2683c532011-04-13 08:37:44 -0500529 sync();
530
531 /* update TxQD, let RISC to send the packet */
532 offset_in = muram_readw(&pram->txqd.offset_in);
533 offset_in += sizeof(struct fm_port_bd);
534 if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
535 offset_in = 0;
536 muram_writew(&pram->txqd.offset_in, offset_in);
537 sync();
538
539 /* wait for buffer to be transmitted */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800540 for (i = 0; muram_readw(&txbd->status) & TxBD_READY; i++) {
Kumar Gala2683c532011-04-13 08:37:44 -0500541 udelay(100);
542 if (i > 0x10000) {
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800543 printf("%s: Tx error, txbd->status = 0x%x\n",
544 dev->name, muram_readw(&txbd->status));
Kumar Gala2683c532011-04-13 08:37:44 -0500545 return 0;
546 }
547 }
548
549 /* advance the TxBD */
550 txbd++;
551 txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
552 if (txbd >= (txbd_base + TX_BD_RING_SIZE))
553 txbd = txbd_base;
554 /* update current txbd */
555 fm_eth->cur_txbd = (void *)txbd;
556
557 return 1;
558}
559
560static int fm_eth_recv(struct eth_device *dev)
561{
562 struct fm_eth *fm_eth;
563 struct fm_port_global_pram *pram;
564 struct fm_port_bd *rxbd, *rxbd_base;
565 u16 status, len;
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800566 u32 buf_lo, buf_hi;
Kumar Gala2683c532011-04-13 08:37:44 -0500567 u8 *data;
568 u16 offset_out;
Daniel Inderbitzinfdbc5c72015-07-10 14:06:02 +0200569 int ret = 1;
Kumar Gala2683c532011-04-13 08:37:44 -0500570
571 fm_eth = (struct fm_eth *)dev->priv;
572 pram = fm_eth->rx_pram;
573 rxbd = fm_eth->cur_rxbd;
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800574 status = muram_readw(&rxbd->status);
Kumar Gala2683c532011-04-13 08:37:44 -0500575
576 while (!(status & RxBD_EMPTY)) {
577 if (!(status & RxBD_ERROR)) {
Hou Zhiqiangea52d332015-10-26 19:47:44 +0800578 buf_hi = muram_readw(&rxbd->buf_ptr_hi);
579 buf_lo = in_be32(&rxbd->buf_ptr_lo);
580 data = (u8 *)((ulong)(buf_hi << 16) << 16 | buf_lo);
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800581 len = muram_readw(&rxbd->len);
Joe Hershberger9f09a362015-04-08 01:41:06 -0500582 net_process_received_packet(data, len);
Kumar Gala2683c532011-04-13 08:37:44 -0500583 } else {
584 printf("%s: Rx error\n", dev->name);
Daniel Inderbitzinfdbc5c72015-07-10 14:06:02 +0200585 ret = 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500586 }
587
588 /* clear the RxBDs */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800589 muram_writew(&rxbd->status, RxBD_EMPTY);
590 muram_writew(&rxbd->len, 0);
Kumar Gala2683c532011-04-13 08:37:44 -0500591 sync();
592
593 /* advance RxBD */
594 rxbd++;
595 rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
596 if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
597 rxbd = rxbd_base;
598 /* read next status */
Hou Zhiqiang3a25ece2015-10-26 19:47:43 +0800599 status = muram_readw(&rxbd->status);
Kumar Gala2683c532011-04-13 08:37:44 -0500600
601 /* update RxQD */
602 offset_out = muram_readw(&pram->rxqd.offset_out);
603 offset_out += sizeof(struct fm_port_bd);
604 if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
605 offset_out = 0;
606 muram_writew(&pram->rxqd.offset_out, offset_out);
607 sync();
608 }
609 fm_eth->cur_rxbd = (void *)rxbd;
610
Daniel Inderbitzinfdbc5c72015-07-10 14:06:02 +0200611 return ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500612}
613
614static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
615{
616 struct fsl_enet_mac *mac;
617 int num;
618 void *base, *phyregs = NULL;
619
620 num = fm_eth->num;
621
Roy Zangbafd8032012-10-08 07:44:21 +0000622#ifdef CONFIG_SYS_FMAN_V3
Shengzhou Liua1ccdff2014-11-24 17:11:57 +0800623#ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION
Shengzhou Liu4227e492013-11-22 17:39:09 +0800624 if (fm_eth->type == FM_ETH_10G_E) {
Shengzhou Liua1ccdff2014-11-24 17:11:57 +0800625 /* 10GEC1/10GEC2 use mEMAC9/mEMAC10 on T2080/T4240.
626 * 10GEC3/10GEC4 use mEMAC1/mEMAC2 on T2080.
627 * 10GEC1 uses mEMAC1 on T1024.
Shengzhou Liu4227e492013-11-22 17:39:09 +0800628 * so it needs to change the num.
629 */
630 if (fm_eth->num >= 2)
631 num -= 2;
632 else
633 num += 8;
634 }
Shengzhou Liua1ccdff2014-11-24 17:11:57 +0800635#endif
Roy Zangbafd8032012-10-08 07:44:21 +0000636 base = &reg->memac[num].fm_memac;
637 phyregs = &reg->memac[num].fm_memac_mdio;
638#else
Kumar Gala2683c532011-04-13 08:37:44 -0500639 /* Get the mac registers base address */
640 if (fm_eth->type == FM_ETH_1G_E) {
641 base = &reg->mac_1g[num].fm_dtesc;
Timur Tabifae3da22011-10-04 16:44:43 -0500642 phyregs = &reg->mac_1g[num].fm_mdio.miimcfg;
Kumar Gala2683c532011-04-13 08:37:44 -0500643 } else {
644 base = &reg->mac_10g[num].fm_10gec;
645 phyregs = &reg->mac_10g[num].fm_10gec_mdio;
646 }
Roy Zangbafd8032012-10-08 07:44:21 +0000647#endif
Kumar Gala2683c532011-04-13 08:37:44 -0500648
649 /* alloc mac controller */
650 mac = malloc(sizeof(struct fsl_enet_mac));
651 if (!mac)
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800652 return -ENOMEM;
Kumar Gala2683c532011-04-13 08:37:44 -0500653 memset(mac, 0, sizeof(struct fsl_enet_mac));
654
655 /* save the mac to fm_eth struct */
656 fm_eth->mac = mac;
657
Roy Zangbafd8032012-10-08 07:44:21 +0000658#ifdef CONFIG_SYS_FMAN_V3
659 init_memac(mac, base, phyregs, MAX_RXBUF_LEN);
660#else
Kumar Gala2683c532011-04-13 08:37:44 -0500661 if (fm_eth->type == FM_ETH_1G_E)
Timur Tabifae3da22011-10-04 16:44:43 -0500662 init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN);
Kumar Gala2683c532011-04-13 08:37:44 -0500663 else
664 init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
Roy Zangbafd8032012-10-08 07:44:21 +0000665#endif
Kumar Gala2683c532011-04-13 08:37:44 -0500666
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800667 return 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500668}
669
670static int init_phy(struct eth_device *dev)
671{
672 struct fm_eth *fm_eth = dev->priv;
Shaohui Xieab687cc2015-10-26 19:47:46 +0800673#ifdef CONFIG_PHYLIB
Kumar Gala2683c532011-04-13 08:37:44 -0500674 struct phy_device *phydev = NULL;
675 u32 supported;
Shaohui Xieab687cc2015-10-26 19:47:46 +0800676#endif
Kumar Gala2683c532011-04-13 08:37:44 -0500677
Kumar Gala2683c532011-04-13 08:37:44 -0500678 if (fm_eth->type == FM_ETH_1G_E)
679 dtsec_init_phy(dev);
680
Shaohui Xieab687cc2015-10-26 19:47:46 +0800681#ifdef CONFIG_PHYLIB
Kumar Gala2683c532011-04-13 08:37:44 -0500682 if (fm_eth->bus) {
683 phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
684 fm_eth->enet_if);
Codrin Ciubotariu1ee90f92015-01-12 14:08:29 +0200685 if (!phydev) {
686 printf("Failed to connect\n");
687 return -1;
688 }
689 } else {
690 return 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500691 }
692
693 if (fm_eth->type == FM_ETH_1G_E) {
694 supported = (SUPPORTED_10baseT_Half |
695 SUPPORTED_10baseT_Full |
696 SUPPORTED_100baseT_Half |
697 SUPPORTED_100baseT_Full |
698 SUPPORTED_1000baseT_Full);
699 } else {
700 supported = SUPPORTED_10000baseT_Full;
701
702 if (tgec_is_fibre(dev))
703 phydev->port = PORT_FIBRE;
704 }
705
706 phydev->supported &= supported;
707 phydev->advertising = phydev->supported;
708
709 fm_eth->phydev = phydev;
710
711 phy_config(phydev);
712#endif
713
714 return 0;
715}
716
717int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
718{
719 struct eth_device *dev;
720 struct fm_eth *fm_eth;
721 int i, num = info->num;
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800722 int ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500723
724 /* alloc eth device */
725 dev = (struct eth_device *)malloc(sizeof(struct eth_device));
726 if (!dev)
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800727 return -ENOMEM;
Kumar Gala2683c532011-04-13 08:37:44 -0500728 memset(dev, 0, sizeof(struct eth_device));
729
730 /* alloc the FMan ethernet private struct */
731 fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
732 if (!fm_eth)
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800733 return -ENOMEM;
Kumar Gala2683c532011-04-13 08:37:44 -0500734 memset(fm_eth, 0, sizeof(struct fm_eth));
735
736 /* save off some things we need from the info struct */
737 fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
738 fm_eth->num = num;
739 fm_eth->type = info->type;
740
741 fm_eth->rx_port = (void *)&reg->port[info->rx_port_id - 1].fm_bmi;
742 fm_eth->tx_port = (void *)&reg->port[info->tx_port_id - 1].fm_bmi;
743
744 /* set the ethernet max receive length */
745 fm_eth->max_rx_len = MAX_RXBUF_LEN;
746
747 /* init global mac structure */
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800748 ret = fm_eth_init_mac(fm_eth, reg);
749 if (ret)
750 return ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500751
752 /* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
753 if (fm_eth->type == FM_ETH_1G_E)
754 sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
755 else
756 sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
757
758 devlist[num_controllers++] = dev;
759 dev->iobase = 0;
760 dev->priv = (void *)fm_eth;
761 dev->init = fm_eth_open;
762 dev->halt = fm_eth_halt;
763 dev->send = fm_eth_send;
764 dev->recv = fm_eth_recv;
765 fm_eth->dev = dev;
766 fm_eth->bus = info->bus;
767 fm_eth->phyaddr = info->phy_addr;
768 fm_eth->enet_if = info->enet_if;
769
770 /* startup the FM im */
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800771 ret = fm_eth_startup(fm_eth);
772 if (ret)
773 return ret;
Kumar Gala2683c532011-04-13 08:37:44 -0500774
Codrin Ciubotariu1ee90f92015-01-12 14:08:29 +0200775 init_phy(dev);
Kumar Gala2683c532011-04-13 08:37:44 -0500776
777 /* clear the ethernet address */
778 for (i = 0; i < 6; i++)
779 dev->enetaddr[i] = 0;
780 eth_register(dev);
781
Hou Zhiqianga02fc982015-10-26 19:47:45 +0800782 return 0;
Kumar Gala2683c532011-04-13 08:37:44 -0500783}