1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2006-2011 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Dave Liu <daveliu@freescale.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <common.h>
10*4882a593Smuzhiyun #include <net.h>
11*4882a593Smuzhiyun #include <malloc.h>
12*4882a593Smuzhiyun #include <linux/errno.h>
13*4882a593Smuzhiyun #include <asm/io.h>
14*4882a593Smuzhiyun #include <linux/immap_qe.h>
15*4882a593Smuzhiyun #include "uccf.h"
16*4882a593Smuzhiyun #include "uec.h"
17*4882a593Smuzhiyun #include "uec_phy.h"
18*4882a593Smuzhiyun #include "miiphy.h"
19*4882a593Smuzhiyun #include <fsl_qe.h>
20*4882a593Smuzhiyun #include <phy.h>
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun /* Default UTBIPAR SMI address */
23*4882a593Smuzhiyun #ifndef CONFIG_UTBIPAR_INIT_TBIPA
24*4882a593Smuzhiyun #define CONFIG_UTBIPAR_INIT_TBIPA 0x1F
25*4882a593Smuzhiyun #endif
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun static uec_info_t uec_info[] = {
28*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH1
29*4882a593Smuzhiyun STD_UEC_INFO(1), /* UEC1 */
30*4882a593Smuzhiyun #endif
31*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH2
32*4882a593Smuzhiyun STD_UEC_INFO(2), /* UEC2 */
33*4882a593Smuzhiyun #endif
34*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH3
35*4882a593Smuzhiyun STD_UEC_INFO(3), /* UEC3 */
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH4
38*4882a593Smuzhiyun STD_UEC_INFO(4), /* UEC4 */
39*4882a593Smuzhiyun #endif
40*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH5
41*4882a593Smuzhiyun STD_UEC_INFO(5), /* UEC5 */
42*4882a593Smuzhiyun #endif
43*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH6
44*4882a593Smuzhiyun STD_UEC_INFO(6), /* UEC6 */
45*4882a593Smuzhiyun #endif
46*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH7
47*4882a593Smuzhiyun STD_UEC_INFO(7), /* UEC7 */
48*4882a593Smuzhiyun #endif
49*4882a593Smuzhiyun #ifdef CONFIG_UEC_ETH8
50*4882a593Smuzhiyun STD_UEC_INFO(8), /* UEC8 */
51*4882a593Smuzhiyun #endif
52*4882a593Smuzhiyun };
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun #define MAXCONTROLLERS (8)
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun static struct eth_device *devlist[MAXCONTROLLERS];
57*4882a593Smuzhiyun
uec_mac_enable(uec_private_t * uec,comm_dir_e mode)58*4882a593Smuzhiyun static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode)
59*4882a593Smuzhiyun {
60*4882a593Smuzhiyun uec_t *uec_regs;
61*4882a593Smuzhiyun u32 maccfg1;
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun if (!uec) {
64*4882a593Smuzhiyun printf("%s: uec not initial\n", __FUNCTION__);
65*4882a593Smuzhiyun return -EINVAL;
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun uec_regs = uec->uec_regs;
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun maccfg1 = in_be32(&uec_regs->maccfg1);
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun if (mode & COMM_DIR_TX) {
72*4882a593Smuzhiyun maccfg1 |= MACCFG1_ENABLE_TX;
73*4882a593Smuzhiyun out_be32(&uec_regs->maccfg1, maccfg1);
74*4882a593Smuzhiyun uec->mac_tx_enabled = 1;
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun if (mode & COMM_DIR_RX) {
78*4882a593Smuzhiyun maccfg1 |= MACCFG1_ENABLE_RX;
79*4882a593Smuzhiyun out_be32(&uec_regs->maccfg1, maccfg1);
80*4882a593Smuzhiyun uec->mac_rx_enabled = 1;
81*4882a593Smuzhiyun }
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun return 0;
84*4882a593Smuzhiyun }
85*4882a593Smuzhiyun
uec_mac_disable(uec_private_t * uec,comm_dir_e mode)86*4882a593Smuzhiyun static int uec_mac_disable(uec_private_t *uec, comm_dir_e mode)
87*4882a593Smuzhiyun {
88*4882a593Smuzhiyun uec_t *uec_regs;
89*4882a593Smuzhiyun u32 maccfg1;
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun if (!uec) {
92*4882a593Smuzhiyun printf("%s: uec not initial\n", __FUNCTION__);
93*4882a593Smuzhiyun return -EINVAL;
94*4882a593Smuzhiyun }
95*4882a593Smuzhiyun uec_regs = uec->uec_regs;
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun maccfg1 = in_be32(&uec_regs->maccfg1);
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun if (mode & COMM_DIR_TX) {
100*4882a593Smuzhiyun maccfg1 &= ~MACCFG1_ENABLE_TX;
101*4882a593Smuzhiyun out_be32(&uec_regs->maccfg1, maccfg1);
102*4882a593Smuzhiyun uec->mac_tx_enabled = 0;
103*4882a593Smuzhiyun }
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun if (mode & COMM_DIR_RX) {
106*4882a593Smuzhiyun maccfg1 &= ~MACCFG1_ENABLE_RX;
107*4882a593Smuzhiyun out_be32(&uec_regs->maccfg1, maccfg1);
108*4882a593Smuzhiyun uec->mac_rx_enabled = 0;
109*4882a593Smuzhiyun }
110*4882a593Smuzhiyun
111*4882a593Smuzhiyun return 0;
112*4882a593Smuzhiyun }
113*4882a593Smuzhiyun
uec_graceful_stop_tx(uec_private_t * uec)114*4882a593Smuzhiyun static int uec_graceful_stop_tx(uec_private_t *uec)
115*4882a593Smuzhiyun {
116*4882a593Smuzhiyun ucc_fast_t *uf_regs;
117*4882a593Smuzhiyun u32 cecr_subblock;
118*4882a593Smuzhiyun u32 ucce;
119*4882a593Smuzhiyun
120*4882a593Smuzhiyun if (!uec || !uec->uccf) {
121*4882a593Smuzhiyun printf("%s: No handle passed.\n", __FUNCTION__);
122*4882a593Smuzhiyun return -EINVAL;
123*4882a593Smuzhiyun }
124*4882a593Smuzhiyun
125*4882a593Smuzhiyun uf_regs = uec->uccf->uf_regs;
126*4882a593Smuzhiyun
127*4882a593Smuzhiyun /* Clear the grace stop event */
128*4882a593Smuzhiyun out_be32(&uf_regs->ucce, UCCE_GRA);
129*4882a593Smuzhiyun
130*4882a593Smuzhiyun /* Issue host command */
131*4882a593Smuzhiyun cecr_subblock =
132*4882a593Smuzhiyun ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
133*4882a593Smuzhiyun qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
134*4882a593Smuzhiyun (u8)QE_CR_PROTOCOL_ETHERNET, 0);
135*4882a593Smuzhiyun
136*4882a593Smuzhiyun /* Wait for command to complete */
137*4882a593Smuzhiyun do {
138*4882a593Smuzhiyun ucce = in_be32(&uf_regs->ucce);
139*4882a593Smuzhiyun } while (! (ucce & UCCE_GRA));
140*4882a593Smuzhiyun
141*4882a593Smuzhiyun uec->grace_stopped_tx = 1;
142*4882a593Smuzhiyun
143*4882a593Smuzhiyun return 0;
144*4882a593Smuzhiyun }
145*4882a593Smuzhiyun
uec_graceful_stop_rx(uec_private_t * uec)146*4882a593Smuzhiyun static int uec_graceful_stop_rx(uec_private_t *uec)
147*4882a593Smuzhiyun {
148*4882a593Smuzhiyun u32 cecr_subblock;
149*4882a593Smuzhiyun u8 ack;
150*4882a593Smuzhiyun
151*4882a593Smuzhiyun if (!uec) {
152*4882a593Smuzhiyun printf("%s: No handle passed.\n", __FUNCTION__);
153*4882a593Smuzhiyun return -EINVAL;
154*4882a593Smuzhiyun }
155*4882a593Smuzhiyun
156*4882a593Smuzhiyun if (!uec->p_rx_glbl_pram) {
157*4882a593Smuzhiyun printf("%s: No init rx global parameter\n", __FUNCTION__);
158*4882a593Smuzhiyun return -EINVAL;
159*4882a593Smuzhiyun }
160*4882a593Smuzhiyun
161*4882a593Smuzhiyun /* Clear acknowledge bit */
162*4882a593Smuzhiyun ack = uec->p_rx_glbl_pram->rxgstpack;
163*4882a593Smuzhiyun ack &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
164*4882a593Smuzhiyun uec->p_rx_glbl_pram->rxgstpack = ack;
165*4882a593Smuzhiyun
166*4882a593Smuzhiyun /* Keep issuing cmd and checking ack bit until it is asserted */
167*4882a593Smuzhiyun do {
168*4882a593Smuzhiyun /* Issue host command */
169*4882a593Smuzhiyun cecr_subblock =
170*4882a593Smuzhiyun ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
171*4882a593Smuzhiyun qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
172*4882a593Smuzhiyun (u8)QE_CR_PROTOCOL_ETHERNET, 0);
173*4882a593Smuzhiyun ack = uec->p_rx_glbl_pram->rxgstpack;
174*4882a593Smuzhiyun } while (! (ack & GRACEFUL_STOP_ACKNOWLEDGE_RX ));
175*4882a593Smuzhiyun
176*4882a593Smuzhiyun uec->grace_stopped_rx = 1;
177*4882a593Smuzhiyun
178*4882a593Smuzhiyun return 0;
179*4882a593Smuzhiyun }
180*4882a593Smuzhiyun
uec_restart_tx(uec_private_t * uec)181*4882a593Smuzhiyun static int uec_restart_tx(uec_private_t *uec)
182*4882a593Smuzhiyun {
183*4882a593Smuzhiyun u32 cecr_subblock;
184*4882a593Smuzhiyun
185*4882a593Smuzhiyun if (!uec || !uec->uec_info) {
186*4882a593Smuzhiyun printf("%s: No handle passed.\n", __FUNCTION__);
187*4882a593Smuzhiyun return -EINVAL;
188*4882a593Smuzhiyun }
189*4882a593Smuzhiyun
190*4882a593Smuzhiyun cecr_subblock =
191*4882a593Smuzhiyun ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
192*4882a593Smuzhiyun qe_issue_cmd(QE_RESTART_TX, cecr_subblock,
193*4882a593Smuzhiyun (u8)QE_CR_PROTOCOL_ETHERNET, 0);
194*4882a593Smuzhiyun
195*4882a593Smuzhiyun uec->grace_stopped_tx = 0;
196*4882a593Smuzhiyun
197*4882a593Smuzhiyun return 0;
198*4882a593Smuzhiyun }
199*4882a593Smuzhiyun
uec_restart_rx(uec_private_t * uec)200*4882a593Smuzhiyun static int uec_restart_rx(uec_private_t *uec)
201*4882a593Smuzhiyun {
202*4882a593Smuzhiyun u32 cecr_subblock;
203*4882a593Smuzhiyun
204*4882a593Smuzhiyun if (!uec || !uec->uec_info) {
205*4882a593Smuzhiyun printf("%s: No handle passed.\n", __FUNCTION__);
206*4882a593Smuzhiyun return -EINVAL;
207*4882a593Smuzhiyun }
208*4882a593Smuzhiyun
209*4882a593Smuzhiyun cecr_subblock =
210*4882a593Smuzhiyun ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num);
211*4882a593Smuzhiyun qe_issue_cmd(QE_RESTART_RX, cecr_subblock,
212*4882a593Smuzhiyun (u8)QE_CR_PROTOCOL_ETHERNET, 0);
213*4882a593Smuzhiyun
214*4882a593Smuzhiyun uec->grace_stopped_rx = 0;
215*4882a593Smuzhiyun
216*4882a593Smuzhiyun return 0;
217*4882a593Smuzhiyun }
218*4882a593Smuzhiyun
uec_open(uec_private_t * uec,comm_dir_e mode)219*4882a593Smuzhiyun static int uec_open(uec_private_t *uec, comm_dir_e mode)
220*4882a593Smuzhiyun {
221*4882a593Smuzhiyun ucc_fast_private_t *uccf;
222*4882a593Smuzhiyun
223*4882a593Smuzhiyun if (!uec || !uec->uccf) {
224*4882a593Smuzhiyun printf("%s: No handle passed.\n", __FUNCTION__);
225*4882a593Smuzhiyun return -EINVAL;
226*4882a593Smuzhiyun }
227*4882a593Smuzhiyun uccf = uec->uccf;
228*4882a593Smuzhiyun
229*4882a593Smuzhiyun /* check if the UCC number is in range. */
230*4882a593Smuzhiyun if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) {
231*4882a593Smuzhiyun printf("%s: ucc_num out of range.\n", __FUNCTION__);
232*4882a593Smuzhiyun return -EINVAL;
233*4882a593Smuzhiyun }
234*4882a593Smuzhiyun
235*4882a593Smuzhiyun /* Enable MAC */
236*4882a593Smuzhiyun uec_mac_enable(uec, mode);
237*4882a593Smuzhiyun
238*4882a593Smuzhiyun /* Enable UCC fast */
239*4882a593Smuzhiyun ucc_fast_enable(uccf, mode);
240*4882a593Smuzhiyun
241*4882a593Smuzhiyun /* RISC microcode start */
242*4882a593Smuzhiyun if ((mode & COMM_DIR_TX) && uec->grace_stopped_tx) {
243*4882a593Smuzhiyun uec_restart_tx(uec);
244*4882a593Smuzhiyun }
245*4882a593Smuzhiyun if ((mode & COMM_DIR_RX) && uec->grace_stopped_rx) {
246*4882a593Smuzhiyun uec_restart_rx(uec);
247*4882a593Smuzhiyun }
248*4882a593Smuzhiyun
249*4882a593Smuzhiyun return 0;
250*4882a593Smuzhiyun }
251*4882a593Smuzhiyun
uec_stop(uec_private_t * uec,comm_dir_e mode)252*4882a593Smuzhiyun static int uec_stop(uec_private_t *uec, comm_dir_e mode)
253*4882a593Smuzhiyun {
254*4882a593Smuzhiyun if (!uec || !uec->uccf) {
255*4882a593Smuzhiyun printf("%s: No handle passed.\n", __FUNCTION__);
256*4882a593Smuzhiyun return -EINVAL;
257*4882a593Smuzhiyun }
258*4882a593Smuzhiyun
259*4882a593Smuzhiyun /* check if the UCC number is in range. */
260*4882a593Smuzhiyun if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) {
261*4882a593Smuzhiyun printf("%s: ucc_num out of range.\n", __FUNCTION__);
262*4882a593Smuzhiyun return -EINVAL;
263*4882a593Smuzhiyun }
264*4882a593Smuzhiyun /* Stop any transmissions */
265*4882a593Smuzhiyun if ((mode & COMM_DIR_TX) && !uec->grace_stopped_tx) {
266*4882a593Smuzhiyun uec_graceful_stop_tx(uec);
267*4882a593Smuzhiyun }
268*4882a593Smuzhiyun /* Stop any receptions */
269*4882a593Smuzhiyun if ((mode & COMM_DIR_RX) && !uec->grace_stopped_rx) {
270*4882a593Smuzhiyun uec_graceful_stop_rx(uec);
271*4882a593Smuzhiyun }
272*4882a593Smuzhiyun
273*4882a593Smuzhiyun /* Disable the UCC fast */
274*4882a593Smuzhiyun ucc_fast_disable(uec->uccf, mode);
275*4882a593Smuzhiyun
276*4882a593Smuzhiyun /* Disable the MAC */
277*4882a593Smuzhiyun uec_mac_disable(uec, mode);
278*4882a593Smuzhiyun
279*4882a593Smuzhiyun return 0;
280*4882a593Smuzhiyun }
281*4882a593Smuzhiyun
uec_set_mac_duplex(uec_private_t * uec,int duplex)282*4882a593Smuzhiyun static int uec_set_mac_duplex(uec_private_t *uec, int duplex)
283*4882a593Smuzhiyun {
284*4882a593Smuzhiyun uec_t *uec_regs;
285*4882a593Smuzhiyun u32 maccfg2;
286*4882a593Smuzhiyun
287*4882a593Smuzhiyun if (!uec) {
288*4882a593Smuzhiyun printf("%s: uec not initial\n", __FUNCTION__);
289*4882a593Smuzhiyun return -EINVAL;
290*4882a593Smuzhiyun }
291*4882a593Smuzhiyun uec_regs = uec->uec_regs;
292*4882a593Smuzhiyun
293*4882a593Smuzhiyun if (duplex == DUPLEX_HALF) {
294*4882a593Smuzhiyun maccfg2 = in_be32(&uec_regs->maccfg2);
295*4882a593Smuzhiyun maccfg2 &= ~MACCFG2_FDX;
296*4882a593Smuzhiyun out_be32(&uec_regs->maccfg2, maccfg2);
297*4882a593Smuzhiyun }
298*4882a593Smuzhiyun
299*4882a593Smuzhiyun if (duplex == DUPLEX_FULL) {
300*4882a593Smuzhiyun maccfg2 = in_be32(&uec_regs->maccfg2);
301*4882a593Smuzhiyun maccfg2 |= MACCFG2_FDX;
302*4882a593Smuzhiyun out_be32(&uec_regs->maccfg2, maccfg2);
303*4882a593Smuzhiyun }
304*4882a593Smuzhiyun
305*4882a593Smuzhiyun return 0;
306*4882a593Smuzhiyun }
307*4882a593Smuzhiyun
uec_set_mac_if_mode(uec_private_t * uec,phy_interface_t if_mode,int speed)308*4882a593Smuzhiyun static int uec_set_mac_if_mode(uec_private_t *uec,
309*4882a593Smuzhiyun phy_interface_t if_mode, int speed)
310*4882a593Smuzhiyun {
311*4882a593Smuzhiyun phy_interface_t enet_if_mode;
312*4882a593Smuzhiyun uec_t *uec_regs;
313*4882a593Smuzhiyun u32 upsmr;
314*4882a593Smuzhiyun u32 maccfg2;
315*4882a593Smuzhiyun
316*4882a593Smuzhiyun if (!uec) {
317*4882a593Smuzhiyun printf("%s: uec not initial\n", __FUNCTION__);
318*4882a593Smuzhiyun return -EINVAL;
319*4882a593Smuzhiyun }
320*4882a593Smuzhiyun
321*4882a593Smuzhiyun uec_regs = uec->uec_regs;
322*4882a593Smuzhiyun enet_if_mode = if_mode;
323*4882a593Smuzhiyun
324*4882a593Smuzhiyun maccfg2 = in_be32(&uec_regs->maccfg2);
325*4882a593Smuzhiyun maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
326*4882a593Smuzhiyun
327*4882a593Smuzhiyun upsmr = in_be32(&uec->uccf->uf_regs->upsmr);
328*4882a593Smuzhiyun upsmr &= ~(UPSMR_RPM | UPSMR_TBIM | UPSMR_R10M | UPSMR_RMM);
329*4882a593Smuzhiyun
330*4882a593Smuzhiyun switch (speed) {
331*4882a593Smuzhiyun case SPEED_10:
332*4882a593Smuzhiyun maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
333*4882a593Smuzhiyun switch (enet_if_mode) {
334*4882a593Smuzhiyun case PHY_INTERFACE_MODE_MII:
335*4882a593Smuzhiyun break;
336*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RGMII:
337*4882a593Smuzhiyun upsmr |= (UPSMR_RPM | UPSMR_R10M);
338*4882a593Smuzhiyun break;
339*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RMII:
340*4882a593Smuzhiyun upsmr |= (UPSMR_R10M | UPSMR_RMM);
341*4882a593Smuzhiyun break;
342*4882a593Smuzhiyun default:
343*4882a593Smuzhiyun return -EINVAL;
344*4882a593Smuzhiyun break;
345*4882a593Smuzhiyun }
346*4882a593Smuzhiyun break;
347*4882a593Smuzhiyun case SPEED_100:
348*4882a593Smuzhiyun maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
349*4882a593Smuzhiyun switch (enet_if_mode) {
350*4882a593Smuzhiyun case PHY_INTERFACE_MODE_MII:
351*4882a593Smuzhiyun break;
352*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RGMII:
353*4882a593Smuzhiyun upsmr |= UPSMR_RPM;
354*4882a593Smuzhiyun break;
355*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RMII:
356*4882a593Smuzhiyun upsmr |= UPSMR_RMM;
357*4882a593Smuzhiyun break;
358*4882a593Smuzhiyun default:
359*4882a593Smuzhiyun return -EINVAL;
360*4882a593Smuzhiyun break;
361*4882a593Smuzhiyun }
362*4882a593Smuzhiyun break;
363*4882a593Smuzhiyun case SPEED_1000:
364*4882a593Smuzhiyun maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
365*4882a593Smuzhiyun switch (enet_if_mode) {
366*4882a593Smuzhiyun case PHY_INTERFACE_MODE_GMII:
367*4882a593Smuzhiyun break;
368*4882a593Smuzhiyun case PHY_INTERFACE_MODE_TBI:
369*4882a593Smuzhiyun upsmr |= UPSMR_TBIM;
370*4882a593Smuzhiyun break;
371*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RTBI:
372*4882a593Smuzhiyun upsmr |= (UPSMR_RPM | UPSMR_TBIM);
373*4882a593Smuzhiyun break;
374*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RGMII_RXID:
375*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RGMII_TXID:
376*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RGMII_ID:
377*4882a593Smuzhiyun case PHY_INTERFACE_MODE_RGMII:
378*4882a593Smuzhiyun upsmr |= UPSMR_RPM;
379*4882a593Smuzhiyun break;
380*4882a593Smuzhiyun case PHY_INTERFACE_MODE_SGMII:
381*4882a593Smuzhiyun upsmr |= UPSMR_SGMM;
382*4882a593Smuzhiyun break;
383*4882a593Smuzhiyun default:
384*4882a593Smuzhiyun return -EINVAL;
385*4882a593Smuzhiyun break;
386*4882a593Smuzhiyun }
387*4882a593Smuzhiyun break;
388*4882a593Smuzhiyun default:
389*4882a593Smuzhiyun return -EINVAL;
390*4882a593Smuzhiyun break;
391*4882a593Smuzhiyun }
392*4882a593Smuzhiyun
393*4882a593Smuzhiyun out_be32(&uec_regs->maccfg2, maccfg2);
394*4882a593Smuzhiyun out_be32(&uec->uccf->uf_regs->upsmr, upsmr);
395*4882a593Smuzhiyun
396*4882a593Smuzhiyun return 0;
397*4882a593Smuzhiyun }
398*4882a593Smuzhiyun
init_mii_management_configuration(uec_mii_t * uec_mii_regs)399*4882a593Smuzhiyun static int init_mii_management_configuration(uec_mii_t *uec_mii_regs)
400*4882a593Smuzhiyun {
401*4882a593Smuzhiyun uint timeout = 0x1000;
402*4882a593Smuzhiyun u32 miimcfg = 0;
403*4882a593Smuzhiyun
404*4882a593Smuzhiyun miimcfg = in_be32(&uec_mii_regs->miimcfg);
405*4882a593Smuzhiyun miimcfg |= MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE;
406*4882a593Smuzhiyun out_be32(&uec_mii_regs->miimcfg, miimcfg);
407*4882a593Smuzhiyun
408*4882a593Smuzhiyun /* Wait until the bus is free */
409*4882a593Smuzhiyun while ((in_be32(&uec_mii_regs->miimcfg) & MIIMIND_BUSY) && timeout--);
410*4882a593Smuzhiyun if (timeout <= 0) {
411*4882a593Smuzhiyun printf("%s: The MII Bus is stuck!", __FUNCTION__);
412*4882a593Smuzhiyun return -ETIMEDOUT;
413*4882a593Smuzhiyun }
414*4882a593Smuzhiyun
415*4882a593Smuzhiyun return 0;
416*4882a593Smuzhiyun }
417*4882a593Smuzhiyun
init_phy(struct eth_device * dev)418*4882a593Smuzhiyun static int init_phy(struct eth_device *dev)
419*4882a593Smuzhiyun {
420*4882a593Smuzhiyun uec_private_t *uec;
421*4882a593Smuzhiyun uec_mii_t *umii_regs;
422*4882a593Smuzhiyun struct uec_mii_info *mii_info;
423*4882a593Smuzhiyun struct phy_info *curphy;
424*4882a593Smuzhiyun int err;
425*4882a593Smuzhiyun
426*4882a593Smuzhiyun uec = (uec_private_t *)dev->priv;
427*4882a593Smuzhiyun umii_regs = uec->uec_mii_regs;
428*4882a593Smuzhiyun
429*4882a593Smuzhiyun uec->oldlink = 0;
430*4882a593Smuzhiyun uec->oldspeed = 0;
431*4882a593Smuzhiyun uec->oldduplex = -1;
432*4882a593Smuzhiyun
433*4882a593Smuzhiyun mii_info = malloc(sizeof(*mii_info));
434*4882a593Smuzhiyun if (!mii_info) {
435*4882a593Smuzhiyun printf("%s: Could not allocate mii_info", dev->name);
436*4882a593Smuzhiyun return -ENOMEM;
437*4882a593Smuzhiyun }
438*4882a593Smuzhiyun memset(mii_info, 0, sizeof(*mii_info));
439*4882a593Smuzhiyun
440*4882a593Smuzhiyun if (uec->uec_info->uf_info.eth_type == GIGA_ETH) {
441*4882a593Smuzhiyun mii_info->speed = SPEED_1000;
442*4882a593Smuzhiyun } else {
443*4882a593Smuzhiyun mii_info->speed = SPEED_100;
444*4882a593Smuzhiyun }
445*4882a593Smuzhiyun
446*4882a593Smuzhiyun mii_info->duplex = DUPLEX_FULL;
447*4882a593Smuzhiyun mii_info->pause = 0;
448*4882a593Smuzhiyun mii_info->link = 1;
449*4882a593Smuzhiyun
450*4882a593Smuzhiyun mii_info->advertising = (ADVERTISED_10baseT_Half |
451*4882a593Smuzhiyun ADVERTISED_10baseT_Full |
452*4882a593Smuzhiyun ADVERTISED_100baseT_Half |
453*4882a593Smuzhiyun ADVERTISED_100baseT_Full |
454*4882a593Smuzhiyun ADVERTISED_1000baseT_Full);
455*4882a593Smuzhiyun mii_info->autoneg = 1;
456*4882a593Smuzhiyun mii_info->mii_id = uec->uec_info->phy_address;
457*4882a593Smuzhiyun mii_info->dev = dev;
458*4882a593Smuzhiyun
459*4882a593Smuzhiyun mii_info->mdio_read = &uec_read_phy_reg;
460*4882a593Smuzhiyun mii_info->mdio_write = &uec_write_phy_reg;
461*4882a593Smuzhiyun
462*4882a593Smuzhiyun uec->mii_info = mii_info;
463*4882a593Smuzhiyun
464*4882a593Smuzhiyun qe_set_mii_clk_src(uec->uec_info->uf_info.ucc_num);
465*4882a593Smuzhiyun
466*4882a593Smuzhiyun if (init_mii_management_configuration(umii_regs)) {
467*4882a593Smuzhiyun printf("%s: The MII Bus is stuck!", dev->name);
468*4882a593Smuzhiyun err = -1;
469*4882a593Smuzhiyun goto bus_fail;
470*4882a593Smuzhiyun }
471*4882a593Smuzhiyun
472*4882a593Smuzhiyun /* get info for this PHY */
473*4882a593Smuzhiyun curphy = uec_get_phy_info(uec->mii_info);
474*4882a593Smuzhiyun if (!curphy) {
475*4882a593Smuzhiyun printf("%s: No PHY found", dev->name);
476*4882a593Smuzhiyun err = -1;
477*4882a593Smuzhiyun goto no_phy;
478*4882a593Smuzhiyun }
479*4882a593Smuzhiyun
480*4882a593Smuzhiyun mii_info->phyinfo = curphy;
481*4882a593Smuzhiyun
482*4882a593Smuzhiyun /* Run the commands which initialize the PHY */
483*4882a593Smuzhiyun if (curphy->init) {
484*4882a593Smuzhiyun err = curphy->init(uec->mii_info);
485*4882a593Smuzhiyun if (err)
486*4882a593Smuzhiyun goto phy_init_fail;
487*4882a593Smuzhiyun }
488*4882a593Smuzhiyun
489*4882a593Smuzhiyun return 0;
490*4882a593Smuzhiyun
491*4882a593Smuzhiyun phy_init_fail:
492*4882a593Smuzhiyun no_phy:
493*4882a593Smuzhiyun bus_fail:
494*4882a593Smuzhiyun free(mii_info);
495*4882a593Smuzhiyun return err;
496*4882a593Smuzhiyun }
497*4882a593Smuzhiyun
adjust_link(struct eth_device * dev)498*4882a593Smuzhiyun static void adjust_link(struct eth_device *dev)
499*4882a593Smuzhiyun {
500*4882a593Smuzhiyun uec_private_t *uec = (uec_private_t *)dev->priv;
501*4882a593Smuzhiyun struct uec_mii_info *mii_info = uec->mii_info;
502*4882a593Smuzhiyun
503*4882a593Smuzhiyun extern void change_phy_interface_mode(struct eth_device *dev,
504*4882a593Smuzhiyun phy_interface_t mode, int speed);
505*4882a593Smuzhiyun
506*4882a593Smuzhiyun if (mii_info->link) {
507*4882a593Smuzhiyun /* Now we make sure that we can be in full duplex mode.
508*4882a593Smuzhiyun * If not, we operate in half-duplex mode. */
509*4882a593Smuzhiyun if (mii_info->duplex != uec->oldduplex) {
510*4882a593Smuzhiyun if (!(mii_info->duplex)) {
511*4882a593Smuzhiyun uec_set_mac_duplex(uec, DUPLEX_HALF);
512*4882a593Smuzhiyun printf("%s: Half Duplex\n", dev->name);
513*4882a593Smuzhiyun } else {
514*4882a593Smuzhiyun uec_set_mac_duplex(uec, DUPLEX_FULL);
515*4882a593Smuzhiyun printf("%s: Full Duplex\n", dev->name);
516*4882a593Smuzhiyun }
517*4882a593Smuzhiyun uec->oldduplex = mii_info->duplex;
518*4882a593Smuzhiyun }
519*4882a593Smuzhiyun
520*4882a593Smuzhiyun if (mii_info->speed != uec->oldspeed) {
521*4882a593Smuzhiyun phy_interface_t mode =
522*4882a593Smuzhiyun uec->uec_info->enet_interface_type;
523*4882a593Smuzhiyun if (uec->uec_info->uf_info.eth_type == GIGA_ETH) {
524*4882a593Smuzhiyun switch (mii_info->speed) {
525*4882a593Smuzhiyun case SPEED_1000:
526*4882a593Smuzhiyun break;
527*4882a593Smuzhiyun case SPEED_100:
528*4882a593Smuzhiyun printf ("switching to rgmii 100\n");
529*4882a593Smuzhiyun mode = PHY_INTERFACE_MODE_RGMII;
530*4882a593Smuzhiyun break;
531*4882a593Smuzhiyun case SPEED_10:
532*4882a593Smuzhiyun printf ("switching to rgmii 10\n");
533*4882a593Smuzhiyun mode = PHY_INTERFACE_MODE_RGMII;
534*4882a593Smuzhiyun break;
535*4882a593Smuzhiyun default:
536*4882a593Smuzhiyun printf("%s: Ack,Speed(%d)is illegal\n",
537*4882a593Smuzhiyun dev->name, mii_info->speed);
538*4882a593Smuzhiyun break;
539*4882a593Smuzhiyun }
540*4882a593Smuzhiyun }
541*4882a593Smuzhiyun
542*4882a593Smuzhiyun /* change phy */
543*4882a593Smuzhiyun change_phy_interface_mode(dev, mode, mii_info->speed);
544*4882a593Smuzhiyun /* change the MAC interface mode */
545*4882a593Smuzhiyun uec_set_mac_if_mode(uec, mode, mii_info->speed);
546*4882a593Smuzhiyun
547*4882a593Smuzhiyun printf("%s: Speed %dBT\n", dev->name, mii_info->speed);
548*4882a593Smuzhiyun uec->oldspeed = mii_info->speed;
549*4882a593Smuzhiyun }
550*4882a593Smuzhiyun
551*4882a593Smuzhiyun if (!uec->oldlink) {
552*4882a593Smuzhiyun printf("%s: Link is up\n", dev->name);
553*4882a593Smuzhiyun uec->oldlink = 1;
554*4882a593Smuzhiyun }
555*4882a593Smuzhiyun
556*4882a593Smuzhiyun } else { /* if (mii_info->link) */
557*4882a593Smuzhiyun if (uec->oldlink) {
558*4882a593Smuzhiyun printf("%s: Link is down\n", dev->name);
559*4882a593Smuzhiyun uec->oldlink = 0;
560*4882a593Smuzhiyun uec->oldspeed = 0;
561*4882a593Smuzhiyun uec->oldduplex = -1;
562*4882a593Smuzhiyun }
563*4882a593Smuzhiyun }
564*4882a593Smuzhiyun }
565*4882a593Smuzhiyun
phy_change(struct eth_device * dev)566*4882a593Smuzhiyun static void phy_change(struct eth_device *dev)
567*4882a593Smuzhiyun {
568*4882a593Smuzhiyun uec_private_t *uec = (uec_private_t *)dev->priv;
569*4882a593Smuzhiyun
570*4882a593Smuzhiyun #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025)
571*4882a593Smuzhiyun ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
572*4882a593Smuzhiyun
573*4882a593Smuzhiyun /* QE9 and QE12 need to be set for enabling QE MII managment signals */
574*4882a593Smuzhiyun setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9);
575*4882a593Smuzhiyun setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
576*4882a593Smuzhiyun #endif
577*4882a593Smuzhiyun
578*4882a593Smuzhiyun /* Update the link, speed, duplex */
579*4882a593Smuzhiyun uec->mii_info->phyinfo->read_status(uec->mii_info);
580*4882a593Smuzhiyun
581*4882a593Smuzhiyun #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025)
582*4882a593Smuzhiyun /*
583*4882a593Smuzhiyun * QE12 is muxed with LBCTL, it needs to be released for enabling
584*4882a593Smuzhiyun * LBCTL signal for LBC usage.
585*4882a593Smuzhiyun */
586*4882a593Smuzhiyun clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
587*4882a593Smuzhiyun #endif
588*4882a593Smuzhiyun
589*4882a593Smuzhiyun /* Adjust the interface according to speed */
590*4882a593Smuzhiyun adjust_link(dev);
591*4882a593Smuzhiyun }
592*4882a593Smuzhiyun
593*4882a593Smuzhiyun #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
594*4882a593Smuzhiyun
595*4882a593Smuzhiyun /*
596*4882a593Smuzhiyun * Find a device index from the devlist by name
597*4882a593Smuzhiyun *
598*4882a593Smuzhiyun * Returns:
599*4882a593Smuzhiyun * The index where the device is located, -1 on error
600*4882a593Smuzhiyun */
uec_miiphy_find_dev_by_name(const char * devname)601*4882a593Smuzhiyun static int uec_miiphy_find_dev_by_name(const char *devname)
602*4882a593Smuzhiyun {
603*4882a593Smuzhiyun int i;
604*4882a593Smuzhiyun
605*4882a593Smuzhiyun for (i = 0; i < MAXCONTROLLERS; i++) {
606*4882a593Smuzhiyun if (strncmp(devname, devlist[i]->name, strlen(devname)) == 0) {
607*4882a593Smuzhiyun break;
608*4882a593Smuzhiyun }
609*4882a593Smuzhiyun }
610*4882a593Smuzhiyun
611*4882a593Smuzhiyun /* If device cannot be found, returns -1 */
612*4882a593Smuzhiyun if (i == MAXCONTROLLERS) {
613*4882a593Smuzhiyun debug ("%s: device %s not found in devlist\n", __FUNCTION__, devname);
614*4882a593Smuzhiyun i = -1;
615*4882a593Smuzhiyun }
616*4882a593Smuzhiyun
617*4882a593Smuzhiyun return i;
618*4882a593Smuzhiyun }
619*4882a593Smuzhiyun
620*4882a593Smuzhiyun /*
621*4882a593Smuzhiyun * Read a MII PHY register.
622*4882a593Smuzhiyun *
623*4882a593Smuzhiyun * Returns:
624*4882a593Smuzhiyun * 0 on success
625*4882a593Smuzhiyun */
uec_miiphy_read(struct mii_dev * bus,int addr,int devad,int reg)626*4882a593Smuzhiyun static int uec_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg)
627*4882a593Smuzhiyun {
628*4882a593Smuzhiyun unsigned short value = 0;
629*4882a593Smuzhiyun int devindex = 0;
630*4882a593Smuzhiyun
631*4882a593Smuzhiyun if (bus->name == NULL) {
632*4882a593Smuzhiyun debug("%s: NULL pointer given\n", __FUNCTION__);
633*4882a593Smuzhiyun } else {
634*4882a593Smuzhiyun devindex = uec_miiphy_find_dev_by_name(bus->name);
635*4882a593Smuzhiyun if (devindex >= 0) {
636*4882a593Smuzhiyun value = uec_read_phy_reg(devlist[devindex], addr, reg);
637*4882a593Smuzhiyun }
638*4882a593Smuzhiyun }
639*4882a593Smuzhiyun return value;
640*4882a593Smuzhiyun }
641*4882a593Smuzhiyun
642*4882a593Smuzhiyun /*
643*4882a593Smuzhiyun * Write a MII PHY register.
644*4882a593Smuzhiyun *
645*4882a593Smuzhiyun * Returns:
646*4882a593Smuzhiyun * 0 on success
647*4882a593Smuzhiyun */
uec_miiphy_write(struct mii_dev * bus,int addr,int devad,int reg,u16 value)648*4882a593Smuzhiyun static int uec_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg,
649*4882a593Smuzhiyun u16 value)
650*4882a593Smuzhiyun {
651*4882a593Smuzhiyun int devindex = 0;
652*4882a593Smuzhiyun
653*4882a593Smuzhiyun if (bus->name == NULL) {
654*4882a593Smuzhiyun debug("%s: NULL pointer given\n", __FUNCTION__);
655*4882a593Smuzhiyun } else {
656*4882a593Smuzhiyun devindex = uec_miiphy_find_dev_by_name(bus->name);
657*4882a593Smuzhiyun if (devindex >= 0) {
658*4882a593Smuzhiyun uec_write_phy_reg(devlist[devindex], addr, reg, value);
659*4882a593Smuzhiyun }
660*4882a593Smuzhiyun }
661*4882a593Smuzhiyun return 0;
662*4882a593Smuzhiyun }
663*4882a593Smuzhiyun #endif
664*4882a593Smuzhiyun
uec_set_mac_address(uec_private_t * uec,u8 * mac_addr)665*4882a593Smuzhiyun static int uec_set_mac_address(uec_private_t *uec, u8 *mac_addr)
666*4882a593Smuzhiyun {
667*4882a593Smuzhiyun uec_t *uec_regs;
668*4882a593Smuzhiyun u32 mac_addr1;
669*4882a593Smuzhiyun u32 mac_addr2;
670*4882a593Smuzhiyun
671*4882a593Smuzhiyun if (!uec) {
672*4882a593Smuzhiyun printf("%s: uec not initial\n", __FUNCTION__);
673*4882a593Smuzhiyun return -EINVAL;
674*4882a593Smuzhiyun }
675*4882a593Smuzhiyun
676*4882a593Smuzhiyun uec_regs = uec->uec_regs;
677*4882a593Smuzhiyun
678*4882a593Smuzhiyun /* if a station address of 0x12345678ABCD, perform a write to
679*4882a593Smuzhiyun MACSTNADDR1 of 0xCDAB7856,
680*4882a593Smuzhiyun MACSTNADDR2 of 0x34120000 */
681*4882a593Smuzhiyun
682*4882a593Smuzhiyun mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | \
683*4882a593Smuzhiyun (mac_addr[3] << 8) | (mac_addr[2]);
684*4882a593Smuzhiyun out_be32(&uec_regs->macstnaddr1, mac_addr1);
685*4882a593Smuzhiyun
686*4882a593Smuzhiyun mac_addr2 = ((mac_addr[1] << 24) | (mac_addr[0] << 16)) & 0xffff0000;
687*4882a593Smuzhiyun out_be32(&uec_regs->macstnaddr2, mac_addr2);
688*4882a593Smuzhiyun
689*4882a593Smuzhiyun return 0;
690*4882a593Smuzhiyun }
691*4882a593Smuzhiyun
uec_convert_threads_num(uec_num_of_threads_e threads_num,int * threads_num_ret)692*4882a593Smuzhiyun static int uec_convert_threads_num(uec_num_of_threads_e threads_num,
693*4882a593Smuzhiyun int *threads_num_ret)
694*4882a593Smuzhiyun {
695*4882a593Smuzhiyun int num_threads_numerica;
696*4882a593Smuzhiyun
697*4882a593Smuzhiyun switch (threads_num) {
698*4882a593Smuzhiyun case UEC_NUM_OF_THREADS_1:
699*4882a593Smuzhiyun num_threads_numerica = 1;
700*4882a593Smuzhiyun break;
701*4882a593Smuzhiyun case UEC_NUM_OF_THREADS_2:
702*4882a593Smuzhiyun num_threads_numerica = 2;
703*4882a593Smuzhiyun break;
704*4882a593Smuzhiyun case UEC_NUM_OF_THREADS_4:
705*4882a593Smuzhiyun num_threads_numerica = 4;
706*4882a593Smuzhiyun break;
707*4882a593Smuzhiyun case UEC_NUM_OF_THREADS_6:
708*4882a593Smuzhiyun num_threads_numerica = 6;
709*4882a593Smuzhiyun break;
710*4882a593Smuzhiyun case UEC_NUM_OF_THREADS_8:
711*4882a593Smuzhiyun num_threads_numerica = 8;
712*4882a593Smuzhiyun break;
713*4882a593Smuzhiyun default:
714*4882a593Smuzhiyun printf("%s: Bad number of threads value.",
715*4882a593Smuzhiyun __FUNCTION__);
716*4882a593Smuzhiyun return -EINVAL;
717*4882a593Smuzhiyun }
718*4882a593Smuzhiyun
719*4882a593Smuzhiyun *threads_num_ret = num_threads_numerica;
720*4882a593Smuzhiyun
721*4882a593Smuzhiyun return 0;
722*4882a593Smuzhiyun }
723*4882a593Smuzhiyun
uec_init_tx_parameter(uec_private_t * uec,int num_threads_tx)724*4882a593Smuzhiyun static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx)
725*4882a593Smuzhiyun {
726*4882a593Smuzhiyun uec_info_t *uec_info;
727*4882a593Smuzhiyun u32 end_bd;
728*4882a593Smuzhiyun u8 bmrx = 0;
729*4882a593Smuzhiyun int i;
730*4882a593Smuzhiyun
731*4882a593Smuzhiyun uec_info = uec->uec_info;
732*4882a593Smuzhiyun
733*4882a593Smuzhiyun /* Alloc global Tx parameter RAM page */
734*4882a593Smuzhiyun uec->tx_glbl_pram_offset = qe_muram_alloc(
735*4882a593Smuzhiyun sizeof(uec_tx_global_pram_t),
736*4882a593Smuzhiyun UEC_TX_GLOBAL_PRAM_ALIGNMENT);
737*4882a593Smuzhiyun uec->p_tx_glbl_pram = (uec_tx_global_pram_t *)
738*4882a593Smuzhiyun qe_muram_addr(uec->tx_glbl_pram_offset);
739*4882a593Smuzhiyun
740*4882a593Smuzhiyun /* Zero the global Tx prameter RAM */
741*4882a593Smuzhiyun memset(uec->p_tx_glbl_pram, 0, sizeof(uec_tx_global_pram_t));
742*4882a593Smuzhiyun
743*4882a593Smuzhiyun /* Init global Tx parameter RAM */
744*4882a593Smuzhiyun
745*4882a593Smuzhiyun /* TEMODER, RMON statistics disable, one Tx queue */
746*4882a593Smuzhiyun out_be16(&uec->p_tx_glbl_pram->temoder, TEMODER_INIT_VALUE);
747*4882a593Smuzhiyun
748*4882a593Smuzhiyun /* SQPTR */
749*4882a593Smuzhiyun uec->send_q_mem_reg_offset = qe_muram_alloc(
750*4882a593Smuzhiyun sizeof(uec_send_queue_qd_t),
751*4882a593Smuzhiyun UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
752*4882a593Smuzhiyun uec->p_send_q_mem_reg = (uec_send_queue_mem_region_t *)
753*4882a593Smuzhiyun qe_muram_addr(uec->send_q_mem_reg_offset);
754*4882a593Smuzhiyun out_be32(&uec->p_tx_glbl_pram->sqptr, uec->send_q_mem_reg_offset);
755*4882a593Smuzhiyun
756*4882a593Smuzhiyun /* Setup the table with TxBDs ring */
757*4882a593Smuzhiyun end_bd = (u32)uec->p_tx_bd_ring + (uec_info->tx_bd_ring_len - 1)
758*4882a593Smuzhiyun * SIZEOFBD;
759*4882a593Smuzhiyun out_be32(&uec->p_send_q_mem_reg->sqqd[0].bd_ring_base,
760*4882a593Smuzhiyun (u32)(uec->p_tx_bd_ring));
761*4882a593Smuzhiyun out_be32(&uec->p_send_q_mem_reg->sqqd[0].last_bd_completed_address,
762*4882a593Smuzhiyun end_bd);
763*4882a593Smuzhiyun
764*4882a593Smuzhiyun /* Scheduler Base Pointer, we have only one Tx queue, no need it */
765*4882a593Smuzhiyun out_be32(&uec->p_tx_glbl_pram->schedulerbasepointer, 0);
766*4882a593Smuzhiyun
767*4882a593Smuzhiyun /* TxRMON Base Pointer, TxRMON disable, we don't need it */
768*4882a593Smuzhiyun out_be32(&uec->p_tx_glbl_pram->txrmonbaseptr, 0);
769*4882a593Smuzhiyun
770*4882a593Smuzhiyun /* TSTATE, global snooping, big endian, the CSB bus selected */
771*4882a593Smuzhiyun bmrx = BMR_INIT_VALUE;
772*4882a593Smuzhiyun out_be32(&uec->p_tx_glbl_pram->tstate, ((u32)(bmrx) << BMR_SHIFT));
773*4882a593Smuzhiyun
774*4882a593Smuzhiyun /* IPH_Offset */
775*4882a593Smuzhiyun for (i = 0; i < MAX_IPH_OFFSET_ENTRY; i++) {
776*4882a593Smuzhiyun out_8(&uec->p_tx_glbl_pram->iphoffset[i], 0);
777*4882a593Smuzhiyun }
778*4882a593Smuzhiyun
779*4882a593Smuzhiyun /* VTAG table */
780*4882a593Smuzhiyun for (i = 0; i < UEC_TX_VTAG_TABLE_ENTRY_MAX; i++) {
781*4882a593Smuzhiyun out_be32(&uec->p_tx_glbl_pram->vtagtable[i], 0);
782*4882a593Smuzhiyun }
783*4882a593Smuzhiyun
784*4882a593Smuzhiyun /* TQPTR */
785*4882a593Smuzhiyun uec->thread_dat_tx_offset = qe_muram_alloc(
786*4882a593Smuzhiyun num_threads_tx * sizeof(uec_thread_data_tx_t) +
787*4882a593Smuzhiyun 32 *(num_threads_tx == 1), UEC_THREAD_DATA_ALIGNMENT);
788*4882a593Smuzhiyun
789*4882a593Smuzhiyun uec->p_thread_data_tx = (uec_thread_data_tx_t *)
790*4882a593Smuzhiyun qe_muram_addr(uec->thread_dat_tx_offset);
791*4882a593Smuzhiyun out_be32(&uec->p_tx_glbl_pram->tqptr, uec->thread_dat_tx_offset);
792*4882a593Smuzhiyun }
793*4882a593Smuzhiyun
uec_init_rx_parameter(uec_private_t * uec,int num_threads_rx)794*4882a593Smuzhiyun static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx)
795*4882a593Smuzhiyun {
796*4882a593Smuzhiyun u8 bmrx = 0;
797*4882a593Smuzhiyun int i;
798*4882a593Smuzhiyun uec_82xx_address_filtering_pram_t *p_af_pram;
799*4882a593Smuzhiyun
800*4882a593Smuzhiyun /* Allocate global Rx parameter RAM page */
801*4882a593Smuzhiyun uec->rx_glbl_pram_offset = qe_muram_alloc(
802*4882a593Smuzhiyun sizeof(uec_rx_global_pram_t), UEC_RX_GLOBAL_PRAM_ALIGNMENT);
803*4882a593Smuzhiyun uec->p_rx_glbl_pram = (uec_rx_global_pram_t *)
804*4882a593Smuzhiyun qe_muram_addr(uec->rx_glbl_pram_offset);
805*4882a593Smuzhiyun
806*4882a593Smuzhiyun /* Zero Global Rx parameter RAM */
807*4882a593Smuzhiyun memset(uec->p_rx_glbl_pram, 0, sizeof(uec_rx_global_pram_t));
808*4882a593Smuzhiyun
809*4882a593Smuzhiyun /* Init global Rx parameter RAM */
810*4882a593Smuzhiyun /* REMODER, Extended feature mode disable, VLAN disable,
811*4882a593Smuzhiyun LossLess flow control disable, Receive firmware statisic disable,
812*4882a593Smuzhiyun Extended address parsing mode disable, One Rx queues,
813*4882a593Smuzhiyun Dynamic maximum/minimum frame length disable, IP checksum check
814*4882a593Smuzhiyun disable, IP address alignment disable
815*4882a593Smuzhiyun */
816*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->remoder, REMODER_INIT_VALUE);
817*4882a593Smuzhiyun
818*4882a593Smuzhiyun /* RQPTR */
819*4882a593Smuzhiyun uec->thread_dat_rx_offset = qe_muram_alloc(
820*4882a593Smuzhiyun num_threads_rx * sizeof(uec_thread_data_rx_t),
821*4882a593Smuzhiyun UEC_THREAD_DATA_ALIGNMENT);
822*4882a593Smuzhiyun uec->p_thread_data_rx = (uec_thread_data_rx_t *)
823*4882a593Smuzhiyun qe_muram_addr(uec->thread_dat_rx_offset);
824*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->rqptr, uec->thread_dat_rx_offset);
825*4882a593Smuzhiyun
826*4882a593Smuzhiyun /* Type_or_Len */
827*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->typeorlen, 3072);
828*4882a593Smuzhiyun
829*4882a593Smuzhiyun /* RxRMON base pointer, we don't need it */
830*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->rxrmonbaseptr, 0);
831*4882a593Smuzhiyun
832*4882a593Smuzhiyun /* IntCoalescingPTR, we don't need it, no interrupt */
833*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->intcoalescingptr, 0);
834*4882a593Smuzhiyun
835*4882a593Smuzhiyun /* RSTATE, global snooping, big endian, the CSB bus selected */
836*4882a593Smuzhiyun bmrx = BMR_INIT_VALUE;
837*4882a593Smuzhiyun out_8(&uec->p_rx_glbl_pram->rstate, bmrx);
838*4882a593Smuzhiyun
839*4882a593Smuzhiyun /* MRBLR */
840*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->mrblr, MAX_RXBUF_LEN);
841*4882a593Smuzhiyun
842*4882a593Smuzhiyun /* RBDQPTR */
843*4882a593Smuzhiyun uec->rx_bd_qs_tbl_offset = qe_muram_alloc(
844*4882a593Smuzhiyun sizeof(uec_rx_bd_queues_entry_t) + \
845*4882a593Smuzhiyun sizeof(uec_rx_prefetched_bds_t),
846*4882a593Smuzhiyun UEC_RX_BD_QUEUES_ALIGNMENT);
847*4882a593Smuzhiyun uec->p_rx_bd_qs_tbl = (uec_rx_bd_queues_entry_t *)
848*4882a593Smuzhiyun qe_muram_addr(uec->rx_bd_qs_tbl_offset);
849*4882a593Smuzhiyun
850*4882a593Smuzhiyun /* Zero it */
851*4882a593Smuzhiyun memset(uec->p_rx_bd_qs_tbl, 0, sizeof(uec_rx_bd_queues_entry_t) + \
852*4882a593Smuzhiyun sizeof(uec_rx_prefetched_bds_t));
853*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->rbdqptr, uec->rx_bd_qs_tbl_offset);
854*4882a593Smuzhiyun out_be32(&uec->p_rx_bd_qs_tbl->externalbdbaseptr,
855*4882a593Smuzhiyun (u32)uec->p_rx_bd_ring);
856*4882a593Smuzhiyun
857*4882a593Smuzhiyun /* MFLR */
858*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->mflr, MAX_FRAME_LEN);
859*4882a593Smuzhiyun /* MINFLR */
860*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->minflr, MIN_FRAME_LEN);
861*4882a593Smuzhiyun /* MAXD1 */
862*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->maxd1, MAX_DMA1_LEN);
863*4882a593Smuzhiyun /* MAXD2 */
864*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->maxd2, MAX_DMA2_LEN);
865*4882a593Smuzhiyun /* ECAM_PTR */
866*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->ecamptr, 0);
867*4882a593Smuzhiyun /* L2QT */
868*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->l2qt, 0);
869*4882a593Smuzhiyun /* L3QT */
870*4882a593Smuzhiyun for (i = 0; i < 8; i++) {
871*4882a593Smuzhiyun out_be32(&uec->p_rx_glbl_pram->l3qt[i], 0);
872*4882a593Smuzhiyun }
873*4882a593Smuzhiyun
874*4882a593Smuzhiyun /* VLAN_TYPE */
875*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->vlantype, 0x8100);
876*4882a593Smuzhiyun /* TCI */
877*4882a593Smuzhiyun out_be16(&uec->p_rx_glbl_pram->vlantci, 0);
878*4882a593Smuzhiyun
879*4882a593Smuzhiyun /* Clear PQ2 style address filtering hash table */
880*4882a593Smuzhiyun p_af_pram = (uec_82xx_address_filtering_pram_t *) \
881*4882a593Smuzhiyun uec->p_rx_glbl_pram->addressfiltering;
882*4882a593Smuzhiyun
883*4882a593Smuzhiyun p_af_pram->iaddr_h = 0;
884*4882a593Smuzhiyun p_af_pram->iaddr_l = 0;
885*4882a593Smuzhiyun p_af_pram->gaddr_h = 0;
886*4882a593Smuzhiyun p_af_pram->gaddr_l = 0;
887*4882a593Smuzhiyun }
888*4882a593Smuzhiyun
uec_issue_init_enet_rxtx_cmd(uec_private_t * uec,int thread_tx,int thread_rx)889*4882a593Smuzhiyun static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec,
890*4882a593Smuzhiyun int thread_tx, int thread_rx)
891*4882a593Smuzhiyun {
892*4882a593Smuzhiyun uec_init_cmd_pram_t *p_init_enet_param;
893*4882a593Smuzhiyun u32 init_enet_param_offset;
894*4882a593Smuzhiyun uec_info_t *uec_info;
895*4882a593Smuzhiyun int i;
896*4882a593Smuzhiyun int snum;
897*4882a593Smuzhiyun u32 init_enet_offset;
898*4882a593Smuzhiyun u32 entry_val;
899*4882a593Smuzhiyun u32 command;
900*4882a593Smuzhiyun u32 cecr_subblock;
901*4882a593Smuzhiyun
902*4882a593Smuzhiyun uec_info = uec->uec_info;
903*4882a593Smuzhiyun
904*4882a593Smuzhiyun /* Allocate init enet command parameter */
905*4882a593Smuzhiyun uec->init_enet_param_offset = qe_muram_alloc(
906*4882a593Smuzhiyun sizeof(uec_init_cmd_pram_t), 4);
907*4882a593Smuzhiyun init_enet_param_offset = uec->init_enet_param_offset;
908*4882a593Smuzhiyun uec->p_init_enet_param = (uec_init_cmd_pram_t *)
909*4882a593Smuzhiyun qe_muram_addr(uec->init_enet_param_offset);
910*4882a593Smuzhiyun
911*4882a593Smuzhiyun /* Zero init enet command struct */
912*4882a593Smuzhiyun memset((void *)uec->p_init_enet_param, 0, sizeof(uec_init_cmd_pram_t));
913*4882a593Smuzhiyun
914*4882a593Smuzhiyun /* Init the command struct */
915*4882a593Smuzhiyun p_init_enet_param = uec->p_init_enet_param;
916*4882a593Smuzhiyun p_init_enet_param->resinit0 = ENET_INIT_PARAM_MAGIC_RES_INIT0;
917*4882a593Smuzhiyun p_init_enet_param->resinit1 = ENET_INIT_PARAM_MAGIC_RES_INIT1;
918*4882a593Smuzhiyun p_init_enet_param->resinit2 = ENET_INIT_PARAM_MAGIC_RES_INIT2;
919*4882a593Smuzhiyun p_init_enet_param->resinit3 = ENET_INIT_PARAM_MAGIC_RES_INIT3;
920*4882a593Smuzhiyun p_init_enet_param->resinit4 = ENET_INIT_PARAM_MAGIC_RES_INIT4;
921*4882a593Smuzhiyun p_init_enet_param->largestexternallookupkeysize = 0;
922*4882a593Smuzhiyun
923*4882a593Smuzhiyun p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_rx)
924*4882a593Smuzhiyun << ENET_INIT_PARAM_RGF_SHIFT;
925*4882a593Smuzhiyun p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_tx)
926*4882a593Smuzhiyun << ENET_INIT_PARAM_TGF_SHIFT;
927*4882a593Smuzhiyun
928*4882a593Smuzhiyun /* Init Rx global parameter pointer */
929*4882a593Smuzhiyun p_init_enet_param->rgftgfrxglobal |= uec->rx_glbl_pram_offset |
930*4882a593Smuzhiyun (u32)uec_info->risc_rx;
931*4882a593Smuzhiyun
932*4882a593Smuzhiyun /* Init Rx threads */
933*4882a593Smuzhiyun for (i = 0; i < (thread_rx + 1); i++) {
934*4882a593Smuzhiyun if ((snum = qe_get_snum()) < 0) {
935*4882a593Smuzhiyun printf("%s can not get snum\n", __FUNCTION__);
936*4882a593Smuzhiyun return -ENOMEM;
937*4882a593Smuzhiyun }
938*4882a593Smuzhiyun
939*4882a593Smuzhiyun if (i==0) {
940*4882a593Smuzhiyun init_enet_offset = 0;
941*4882a593Smuzhiyun } else {
942*4882a593Smuzhiyun init_enet_offset = qe_muram_alloc(
943*4882a593Smuzhiyun sizeof(uec_thread_rx_pram_t),
944*4882a593Smuzhiyun UEC_THREAD_RX_PRAM_ALIGNMENT);
945*4882a593Smuzhiyun }
946*4882a593Smuzhiyun
947*4882a593Smuzhiyun entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) |
948*4882a593Smuzhiyun init_enet_offset | (u32)uec_info->risc_rx;
949*4882a593Smuzhiyun p_init_enet_param->rxthread[i] = entry_val;
950*4882a593Smuzhiyun }
951*4882a593Smuzhiyun
952*4882a593Smuzhiyun /* Init Tx global parameter pointer */
953*4882a593Smuzhiyun p_init_enet_param->txglobal = uec->tx_glbl_pram_offset |
954*4882a593Smuzhiyun (u32)uec_info->risc_tx;
955*4882a593Smuzhiyun
956*4882a593Smuzhiyun /* Init Tx threads */
957*4882a593Smuzhiyun for (i = 0; i < thread_tx; i++) {
958*4882a593Smuzhiyun if ((snum = qe_get_snum()) < 0) {
959*4882a593Smuzhiyun printf("%s can not get snum\n", __FUNCTION__);
960*4882a593Smuzhiyun return -ENOMEM;
961*4882a593Smuzhiyun }
962*4882a593Smuzhiyun
963*4882a593Smuzhiyun init_enet_offset = qe_muram_alloc(sizeof(uec_thread_tx_pram_t),
964*4882a593Smuzhiyun UEC_THREAD_TX_PRAM_ALIGNMENT);
965*4882a593Smuzhiyun
966*4882a593Smuzhiyun entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) |
967*4882a593Smuzhiyun init_enet_offset | (u32)uec_info->risc_tx;
968*4882a593Smuzhiyun p_init_enet_param->txthread[i] = entry_val;
969*4882a593Smuzhiyun }
970*4882a593Smuzhiyun
971*4882a593Smuzhiyun __asm__ __volatile__("sync");
972*4882a593Smuzhiyun
973*4882a593Smuzhiyun /* Issue QE command */
974*4882a593Smuzhiyun command = QE_INIT_TX_RX;
975*4882a593Smuzhiyun cecr_subblock = ucc_fast_get_qe_cr_subblock(
976*4882a593Smuzhiyun uec->uec_info->uf_info.ucc_num);
977*4882a593Smuzhiyun qe_issue_cmd(command, cecr_subblock, (u8) QE_CR_PROTOCOL_ETHERNET,
978*4882a593Smuzhiyun init_enet_param_offset);
979*4882a593Smuzhiyun
980*4882a593Smuzhiyun return 0;
981*4882a593Smuzhiyun }
982*4882a593Smuzhiyun
uec_startup(uec_private_t * uec)983*4882a593Smuzhiyun static int uec_startup(uec_private_t *uec)
984*4882a593Smuzhiyun {
985*4882a593Smuzhiyun uec_info_t *uec_info;
986*4882a593Smuzhiyun ucc_fast_info_t *uf_info;
987*4882a593Smuzhiyun ucc_fast_private_t *uccf;
988*4882a593Smuzhiyun ucc_fast_t *uf_regs;
989*4882a593Smuzhiyun uec_t *uec_regs;
990*4882a593Smuzhiyun int num_threads_tx;
991*4882a593Smuzhiyun int num_threads_rx;
992*4882a593Smuzhiyun u32 utbipar;
993*4882a593Smuzhiyun u32 length;
994*4882a593Smuzhiyun u32 align;
995*4882a593Smuzhiyun qe_bd_t *bd;
996*4882a593Smuzhiyun u8 *buf;
997*4882a593Smuzhiyun int i;
998*4882a593Smuzhiyun
999*4882a593Smuzhiyun if (!uec || !uec->uec_info) {
1000*4882a593Smuzhiyun printf("%s: uec or uec_info not initial\n", __FUNCTION__);
1001*4882a593Smuzhiyun return -EINVAL;
1002*4882a593Smuzhiyun }
1003*4882a593Smuzhiyun
1004*4882a593Smuzhiyun uec_info = uec->uec_info;
1005*4882a593Smuzhiyun uf_info = &(uec_info->uf_info);
1006*4882a593Smuzhiyun
1007*4882a593Smuzhiyun /* Check if Rx BD ring len is illegal */
1008*4882a593Smuzhiyun if ((uec_info->rx_bd_ring_len < UEC_RX_BD_RING_SIZE_MIN) || \
1009*4882a593Smuzhiyun (uec_info->rx_bd_ring_len % UEC_RX_BD_RING_SIZE_ALIGNMENT)) {
1010*4882a593Smuzhiyun printf("%s: Rx BD ring len must be multiple of 4, and > 8.\n",
1011*4882a593Smuzhiyun __FUNCTION__);
1012*4882a593Smuzhiyun return -EINVAL;
1013*4882a593Smuzhiyun }
1014*4882a593Smuzhiyun
1015*4882a593Smuzhiyun /* Check if Tx BD ring len is illegal */
1016*4882a593Smuzhiyun if (uec_info->tx_bd_ring_len < UEC_TX_BD_RING_SIZE_MIN) {
1017*4882a593Smuzhiyun printf("%s: Tx BD ring length must not be smaller than 2.\n",
1018*4882a593Smuzhiyun __FUNCTION__);
1019*4882a593Smuzhiyun return -EINVAL;
1020*4882a593Smuzhiyun }
1021*4882a593Smuzhiyun
1022*4882a593Smuzhiyun /* Check if MRBLR is illegal */
1023*4882a593Smuzhiyun if ((MAX_RXBUF_LEN == 0) || (MAX_RXBUF_LEN % UEC_MRBLR_ALIGNMENT)) {
1024*4882a593Smuzhiyun printf("%s: max rx buffer length must be mutliple of 128.\n",
1025*4882a593Smuzhiyun __FUNCTION__);
1026*4882a593Smuzhiyun return -EINVAL;
1027*4882a593Smuzhiyun }
1028*4882a593Smuzhiyun
1029*4882a593Smuzhiyun /* Both Rx and Tx are stopped */
1030*4882a593Smuzhiyun uec->grace_stopped_rx = 1;
1031*4882a593Smuzhiyun uec->grace_stopped_tx = 1;
1032*4882a593Smuzhiyun
1033*4882a593Smuzhiyun /* Init UCC fast */
1034*4882a593Smuzhiyun if (ucc_fast_init(uf_info, &uccf)) {
1035*4882a593Smuzhiyun printf("%s: failed to init ucc fast\n", __FUNCTION__);
1036*4882a593Smuzhiyun return -ENOMEM;
1037*4882a593Smuzhiyun }
1038*4882a593Smuzhiyun
1039*4882a593Smuzhiyun /* Save uccf */
1040*4882a593Smuzhiyun uec->uccf = uccf;
1041*4882a593Smuzhiyun
1042*4882a593Smuzhiyun /* Convert the Tx threads number */
1043*4882a593Smuzhiyun if (uec_convert_threads_num(uec_info->num_threads_tx,
1044*4882a593Smuzhiyun &num_threads_tx)) {
1045*4882a593Smuzhiyun return -EINVAL;
1046*4882a593Smuzhiyun }
1047*4882a593Smuzhiyun
1048*4882a593Smuzhiyun /* Convert the Rx threads number */
1049*4882a593Smuzhiyun if (uec_convert_threads_num(uec_info->num_threads_rx,
1050*4882a593Smuzhiyun &num_threads_rx)) {
1051*4882a593Smuzhiyun return -EINVAL;
1052*4882a593Smuzhiyun }
1053*4882a593Smuzhiyun
1054*4882a593Smuzhiyun uf_regs = uccf->uf_regs;
1055*4882a593Smuzhiyun
1056*4882a593Smuzhiyun /* UEC register is following UCC fast registers */
1057*4882a593Smuzhiyun uec_regs = (uec_t *)(&uf_regs->ucc_eth);
1058*4882a593Smuzhiyun
1059*4882a593Smuzhiyun /* Save the UEC register pointer to UEC private struct */
1060*4882a593Smuzhiyun uec->uec_regs = uec_regs;
1061*4882a593Smuzhiyun
1062*4882a593Smuzhiyun /* Init UPSMR, enable hardware statistics (UCC) */
1063*4882a593Smuzhiyun out_be32(&uec->uccf->uf_regs->upsmr, UPSMR_INIT_VALUE);
1064*4882a593Smuzhiyun
1065*4882a593Smuzhiyun /* Init MACCFG1, flow control disable, disable Tx and Rx */
1066*4882a593Smuzhiyun out_be32(&uec_regs->maccfg1, MACCFG1_INIT_VALUE);
1067*4882a593Smuzhiyun
1068*4882a593Smuzhiyun /* Init MACCFG2, length check, MAC PAD and CRC enable */
1069*4882a593Smuzhiyun out_be32(&uec_regs->maccfg2, MACCFG2_INIT_VALUE);
1070*4882a593Smuzhiyun
1071*4882a593Smuzhiyun /* Setup MAC interface mode */
1072*4882a593Smuzhiyun uec_set_mac_if_mode(uec, uec_info->enet_interface_type, uec_info->speed);
1073*4882a593Smuzhiyun
1074*4882a593Smuzhiyun /* Setup MII management base */
1075*4882a593Smuzhiyun #ifndef CONFIG_eTSEC_MDIO_BUS
1076*4882a593Smuzhiyun uec->uec_mii_regs = (uec_mii_t *)(&uec_regs->miimcfg);
1077*4882a593Smuzhiyun #else
1078*4882a593Smuzhiyun uec->uec_mii_regs = (uec_mii_t *) CONFIG_MIIM_ADDRESS;
1079*4882a593Smuzhiyun #endif
1080*4882a593Smuzhiyun
1081*4882a593Smuzhiyun /* Setup MII master clock source */
1082*4882a593Smuzhiyun qe_set_mii_clk_src(uec_info->uf_info.ucc_num);
1083*4882a593Smuzhiyun
1084*4882a593Smuzhiyun /* Setup UTBIPAR */
1085*4882a593Smuzhiyun utbipar = in_be32(&uec_regs->utbipar);
1086*4882a593Smuzhiyun utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK;
1087*4882a593Smuzhiyun
1088*4882a593Smuzhiyun /* Initialize UTBIPAR address to CONFIG_UTBIPAR_INIT_TBIPA for ALL UEC.
1089*4882a593Smuzhiyun * This frees up the remaining SMI addresses for use.
1090*4882a593Smuzhiyun */
1091*4882a593Smuzhiyun utbipar |= CONFIG_UTBIPAR_INIT_TBIPA << UTBIPAR_PHY_ADDRESS_SHIFT;
1092*4882a593Smuzhiyun out_be32(&uec_regs->utbipar, utbipar);
1093*4882a593Smuzhiyun
1094*4882a593Smuzhiyun /* Configure the TBI for SGMII operation */
1095*4882a593Smuzhiyun if ((uec->uec_info->enet_interface_type == PHY_INTERFACE_MODE_SGMII) &&
1096*4882a593Smuzhiyun (uec->uec_info->speed == SPEED_1000)) {
1097*4882a593Smuzhiyun uec_write_phy_reg(uec->dev, uec_regs->utbipar,
1098*4882a593Smuzhiyun ENET_TBI_MII_ANA, TBIANA_SETTINGS);
1099*4882a593Smuzhiyun
1100*4882a593Smuzhiyun uec_write_phy_reg(uec->dev, uec_regs->utbipar,
1101*4882a593Smuzhiyun ENET_TBI_MII_TBICON, TBICON_CLK_SELECT);
1102*4882a593Smuzhiyun
1103*4882a593Smuzhiyun uec_write_phy_reg(uec->dev, uec_regs->utbipar,
1104*4882a593Smuzhiyun ENET_TBI_MII_CR, TBICR_SETTINGS);
1105*4882a593Smuzhiyun }
1106*4882a593Smuzhiyun
1107*4882a593Smuzhiyun /* Allocate Tx BDs */
1108*4882a593Smuzhiyun length = ((uec_info->tx_bd_ring_len * SIZEOFBD) /
1109*4882a593Smuzhiyun UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) *
1110*4882a593Smuzhiyun UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
1111*4882a593Smuzhiyun if ((uec_info->tx_bd_ring_len * SIZEOFBD) %
1112*4882a593Smuzhiyun UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) {
1113*4882a593Smuzhiyun length += UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
1114*4882a593Smuzhiyun }
1115*4882a593Smuzhiyun
1116*4882a593Smuzhiyun align = UEC_TX_BD_RING_ALIGNMENT;
1117*4882a593Smuzhiyun uec->tx_bd_ring_offset = (u32)malloc((u32)(length + align));
1118*4882a593Smuzhiyun if (uec->tx_bd_ring_offset != 0) {
1119*4882a593Smuzhiyun uec->p_tx_bd_ring = (u8 *)((uec->tx_bd_ring_offset + align)
1120*4882a593Smuzhiyun & ~(align - 1));
1121*4882a593Smuzhiyun }
1122*4882a593Smuzhiyun
1123*4882a593Smuzhiyun /* Zero all of Tx BDs */
1124*4882a593Smuzhiyun memset((void *)(uec->tx_bd_ring_offset), 0, length + align);
1125*4882a593Smuzhiyun
1126*4882a593Smuzhiyun /* Allocate Rx BDs */
1127*4882a593Smuzhiyun length = uec_info->rx_bd_ring_len * SIZEOFBD;
1128*4882a593Smuzhiyun align = UEC_RX_BD_RING_ALIGNMENT;
1129*4882a593Smuzhiyun uec->rx_bd_ring_offset = (u32)(malloc((u32)(length + align)));
1130*4882a593Smuzhiyun if (uec->rx_bd_ring_offset != 0) {
1131*4882a593Smuzhiyun uec->p_rx_bd_ring = (u8 *)((uec->rx_bd_ring_offset + align)
1132*4882a593Smuzhiyun & ~(align - 1));
1133*4882a593Smuzhiyun }
1134*4882a593Smuzhiyun
1135*4882a593Smuzhiyun /* Zero all of Rx BDs */
1136*4882a593Smuzhiyun memset((void *)(uec->rx_bd_ring_offset), 0, length + align);
1137*4882a593Smuzhiyun
1138*4882a593Smuzhiyun /* Allocate Rx buffer */
1139*4882a593Smuzhiyun length = uec_info->rx_bd_ring_len * MAX_RXBUF_LEN;
1140*4882a593Smuzhiyun align = UEC_RX_DATA_BUF_ALIGNMENT;
1141*4882a593Smuzhiyun uec->rx_buf_offset = (u32)malloc(length + align);
1142*4882a593Smuzhiyun if (uec->rx_buf_offset != 0) {
1143*4882a593Smuzhiyun uec->p_rx_buf = (u8 *)((uec->rx_buf_offset + align)
1144*4882a593Smuzhiyun & ~(align - 1));
1145*4882a593Smuzhiyun }
1146*4882a593Smuzhiyun
1147*4882a593Smuzhiyun /* Zero all of the Rx buffer */
1148*4882a593Smuzhiyun memset((void *)(uec->rx_buf_offset), 0, length + align);
1149*4882a593Smuzhiyun
1150*4882a593Smuzhiyun /* Init TxBD ring */
1151*4882a593Smuzhiyun bd = (qe_bd_t *)uec->p_tx_bd_ring;
1152*4882a593Smuzhiyun uec->txBd = bd;
1153*4882a593Smuzhiyun
1154*4882a593Smuzhiyun for (i = 0; i < uec_info->tx_bd_ring_len; i++) {
1155*4882a593Smuzhiyun BD_DATA_CLEAR(bd);
1156*4882a593Smuzhiyun BD_STATUS_SET(bd, 0);
1157*4882a593Smuzhiyun BD_LENGTH_SET(bd, 0);
1158*4882a593Smuzhiyun bd ++;
1159*4882a593Smuzhiyun }
1160*4882a593Smuzhiyun BD_STATUS_SET((--bd), TxBD_WRAP);
1161*4882a593Smuzhiyun
1162*4882a593Smuzhiyun /* Init RxBD ring */
1163*4882a593Smuzhiyun bd = (qe_bd_t *)uec->p_rx_bd_ring;
1164*4882a593Smuzhiyun uec->rxBd = bd;
1165*4882a593Smuzhiyun buf = uec->p_rx_buf;
1166*4882a593Smuzhiyun for (i = 0; i < uec_info->rx_bd_ring_len; i++) {
1167*4882a593Smuzhiyun BD_DATA_SET(bd, buf);
1168*4882a593Smuzhiyun BD_LENGTH_SET(bd, 0);
1169*4882a593Smuzhiyun BD_STATUS_SET(bd, RxBD_EMPTY);
1170*4882a593Smuzhiyun buf += MAX_RXBUF_LEN;
1171*4882a593Smuzhiyun bd ++;
1172*4882a593Smuzhiyun }
1173*4882a593Smuzhiyun BD_STATUS_SET((--bd), RxBD_WRAP | RxBD_EMPTY);
1174*4882a593Smuzhiyun
1175*4882a593Smuzhiyun /* Init global Tx parameter RAM */
1176*4882a593Smuzhiyun uec_init_tx_parameter(uec, num_threads_tx);
1177*4882a593Smuzhiyun
1178*4882a593Smuzhiyun /* Init global Rx parameter RAM */
1179*4882a593Smuzhiyun uec_init_rx_parameter(uec, num_threads_rx);
1180*4882a593Smuzhiyun
1181*4882a593Smuzhiyun /* Init ethernet Tx and Rx parameter command */
1182*4882a593Smuzhiyun if (uec_issue_init_enet_rxtx_cmd(uec, num_threads_tx,
1183*4882a593Smuzhiyun num_threads_rx)) {
1184*4882a593Smuzhiyun printf("%s issue init enet cmd failed\n", __FUNCTION__);
1185*4882a593Smuzhiyun return -ENOMEM;
1186*4882a593Smuzhiyun }
1187*4882a593Smuzhiyun
1188*4882a593Smuzhiyun return 0;
1189*4882a593Smuzhiyun }
1190*4882a593Smuzhiyun
uec_init(struct eth_device * dev,bd_t * bd)1191*4882a593Smuzhiyun static int uec_init(struct eth_device* dev, bd_t *bd)
1192*4882a593Smuzhiyun {
1193*4882a593Smuzhiyun uec_private_t *uec;
1194*4882a593Smuzhiyun int err, i;
1195*4882a593Smuzhiyun struct phy_info *curphy;
1196*4882a593Smuzhiyun #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025)
1197*4882a593Smuzhiyun ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
1198*4882a593Smuzhiyun #endif
1199*4882a593Smuzhiyun
1200*4882a593Smuzhiyun uec = (uec_private_t *)dev->priv;
1201*4882a593Smuzhiyun
1202*4882a593Smuzhiyun if (uec->the_first_run == 0) {
1203*4882a593Smuzhiyun #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025)
1204*4882a593Smuzhiyun /* QE9 and QE12 need to be set for enabling QE MII managment signals */
1205*4882a593Smuzhiyun setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9);
1206*4882a593Smuzhiyun setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
1207*4882a593Smuzhiyun #endif
1208*4882a593Smuzhiyun
1209*4882a593Smuzhiyun err = init_phy(dev);
1210*4882a593Smuzhiyun if (err) {
1211*4882a593Smuzhiyun printf("%s: Cannot initialize PHY, aborting.\n",
1212*4882a593Smuzhiyun dev->name);
1213*4882a593Smuzhiyun return err;
1214*4882a593Smuzhiyun }
1215*4882a593Smuzhiyun
1216*4882a593Smuzhiyun curphy = uec->mii_info->phyinfo;
1217*4882a593Smuzhiyun
1218*4882a593Smuzhiyun if (curphy->config_aneg) {
1219*4882a593Smuzhiyun err = curphy->config_aneg(uec->mii_info);
1220*4882a593Smuzhiyun if (err) {
1221*4882a593Smuzhiyun printf("%s: Can't negotiate PHY\n", dev->name);
1222*4882a593Smuzhiyun return err;
1223*4882a593Smuzhiyun }
1224*4882a593Smuzhiyun }
1225*4882a593Smuzhiyun
1226*4882a593Smuzhiyun /* Give PHYs up to 5 sec to report a link */
1227*4882a593Smuzhiyun i = 50;
1228*4882a593Smuzhiyun do {
1229*4882a593Smuzhiyun err = curphy->read_status(uec->mii_info);
1230*4882a593Smuzhiyun if (!(((i-- > 0) && !uec->mii_info->link) || err))
1231*4882a593Smuzhiyun break;
1232*4882a593Smuzhiyun udelay(100000);
1233*4882a593Smuzhiyun } while (1);
1234*4882a593Smuzhiyun
1235*4882a593Smuzhiyun #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025)
1236*4882a593Smuzhiyun /* QE12 needs to be released for enabling LBCTL signal*/
1237*4882a593Smuzhiyun clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
1238*4882a593Smuzhiyun #endif
1239*4882a593Smuzhiyun
1240*4882a593Smuzhiyun if (err || i <= 0)
1241*4882a593Smuzhiyun printf("warning: %s: timeout on PHY link\n", dev->name);
1242*4882a593Smuzhiyun
1243*4882a593Smuzhiyun adjust_link(dev);
1244*4882a593Smuzhiyun uec->the_first_run = 1;
1245*4882a593Smuzhiyun }
1246*4882a593Smuzhiyun
1247*4882a593Smuzhiyun /* Set up the MAC address */
1248*4882a593Smuzhiyun if (dev->enetaddr[0] & 0x01) {
1249*4882a593Smuzhiyun printf("%s: MacAddress is multcast address\n",
1250*4882a593Smuzhiyun __FUNCTION__);
1251*4882a593Smuzhiyun return -1;
1252*4882a593Smuzhiyun }
1253*4882a593Smuzhiyun uec_set_mac_address(uec, dev->enetaddr);
1254*4882a593Smuzhiyun
1255*4882a593Smuzhiyun
1256*4882a593Smuzhiyun err = uec_open(uec, COMM_DIR_RX_AND_TX);
1257*4882a593Smuzhiyun if (err) {
1258*4882a593Smuzhiyun printf("%s: cannot enable UEC device\n", dev->name);
1259*4882a593Smuzhiyun return -1;
1260*4882a593Smuzhiyun }
1261*4882a593Smuzhiyun
1262*4882a593Smuzhiyun phy_change(dev);
1263*4882a593Smuzhiyun
1264*4882a593Smuzhiyun return (uec->mii_info->link ? 0 : -1);
1265*4882a593Smuzhiyun }
1266*4882a593Smuzhiyun
uec_halt(struct eth_device * dev)1267*4882a593Smuzhiyun static void uec_halt(struct eth_device* dev)
1268*4882a593Smuzhiyun {
1269*4882a593Smuzhiyun uec_private_t *uec = (uec_private_t *)dev->priv;
1270*4882a593Smuzhiyun uec_stop(uec, COMM_DIR_RX_AND_TX);
1271*4882a593Smuzhiyun }
1272*4882a593Smuzhiyun
uec_send(struct eth_device * dev,void * buf,int len)1273*4882a593Smuzhiyun static int uec_send(struct eth_device *dev, void *buf, int len)
1274*4882a593Smuzhiyun {
1275*4882a593Smuzhiyun uec_private_t *uec;
1276*4882a593Smuzhiyun ucc_fast_private_t *uccf;
1277*4882a593Smuzhiyun volatile qe_bd_t *bd;
1278*4882a593Smuzhiyun u16 status;
1279*4882a593Smuzhiyun int i;
1280*4882a593Smuzhiyun int result = 0;
1281*4882a593Smuzhiyun
1282*4882a593Smuzhiyun uec = (uec_private_t *)dev->priv;
1283*4882a593Smuzhiyun uccf = uec->uccf;
1284*4882a593Smuzhiyun bd = uec->txBd;
1285*4882a593Smuzhiyun
1286*4882a593Smuzhiyun /* Find an empty TxBD */
1287*4882a593Smuzhiyun for (i = 0; bd->status & TxBD_READY; i++) {
1288*4882a593Smuzhiyun if (i > 0x100000) {
1289*4882a593Smuzhiyun printf("%s: tx buffer not ready\n", dev->name);
1290*4882a593Smuzhiyun return result;
1291*4882a593Smuzhiyun }
1292*4882a593Smuzhiyun }
1293*4882a593Smuzhiyun
1294*4882a593Smuzhiyun /* Init TxBD */
1295*4882a593Smuzhiyun BD_DATA_SET(bd, buf);
1296*4882a593Smuzhiyun BD_LENGTH_SET(bd, len);
1297*4882a593Smuzhiyun status = bd->status;
1298*4882a593Smuzhiyun status &= BD_WRAP;
1299*4882a593Smuzhiyun status |= (TxBD_READY | TxBD_LAST);
1300*4882a593Smuzhiyun BD_STATUS_SET(bd, status);
1301*4882a593Smuzhiyun
1302*4882a593Smuzhiyun /* Tell UCC to transmit the buffer */
1303*4882a593Smuzhiyun ucc_fast_transmit_on_demand(uccf);
1304*4882a593Smuzhiyun
1305*4882a593Smuzhiyun /* Wait for buffer to be transmitted */
1306*4882a593Smuzhiyun for (i = 0; bd->status & TxBD_READY; i++) {
1307*4882a593Smuzhiyun if (i > 0x100000) {
1308*4882a593Smuzhiyun printf("%s: tx error\n", dev->name);
1309*4882a593Smuzhiyun return result;
1310*4882a593Smuzhiyun }
1311*4882a593Smuzhiyun }
1312*4882a593Smuzhiyun
1313*4882a593Smuzhiyun /* Ok, the buffer be transimitted */
1314*4882a593Smuzhiyun BD_ADVANCE(bd, status, uec->p_tx_bd_ring);
1315*4882a593Smuzhiyun uec->txBd = bd;
1316*4882a593Smuzhiyun result = 1;
1317*4882a593Smuzhiyun
1318*4882a593Smuzhiyun return result;
1319*4882a593Smuzhiyun }
1320*4882a593Smuzhiyun
uec_recv(struct eth_device * dev)1321*4882a593Smuzhiyun static int uec_recv(struct eth_device* dev)
1322*4882a593Smuzhiyun {
1323*4882a593Smuzhiyun uec_private_t *uec = dev->priv;
1324*4882a593Smuzhiyun volatile qe_bd_t *bd;
1325*4882a593Smuzhiyun u16 status;
1326*4882a593Smuzhiyun u16 len;
1327*4882a593Smuzhiyun u8 *data;
1328*4882a593Smuzhiyun
1329*4882a593Smuzhiyun bd = uec->rxBd;
1330*4882a593Smuzhiyun status = bd->status;
1331*4882a593Smuzhiyun
1332*4882a593Smuzhiyun while (!(status & RxBD_EMPTY)) {
1333*4882a593Smuzhiyun if (!(status & RxBD_ERROR)) {
1334*4882a593Smuzhiyun data = BD_DATA(bd);
1335*4882a593Smuzhiyun len = BD_LENGTH(bd);
1336*4882a593Smuzhiyun net_process_received_packet(data, len);
1337*4882a593Smuzhiyun } else {
1338*4882a593Smuzhiyun printf("%s: Rx error\n", dev->name);
1339*4882a593Smuzhiyun }
1340*4882a593Smuzhiyun status &= BD_CLEAN;
1341*4882a593Smuzhiyun BD_LENGTH_SET(bd, 0);
1342*4882a593Smuzhiyun BD_STATUS_SET(bd, status | RxBD_EMPTY);
1343*4882a593Smuzhiyun BD_ADVANCE(bd, status, uec->p_rx_bd_ring);
1344*4882a593Smuzhiyun status = bd->status;
1345*4882a593Smuzhiyun }
1346*4882a593Smuzhiyun uec->rxBd = bd;
1347*4882a593Smuzhiyun
1348*4882a593Smuzhiyun return 1;
1349*4882a593Smuzhiyun }
1350*4882a593Smuzhiyun
uec_initialize(bd_t * bis,uec_info_t * uec_info)1351*4882a593Smuzhiyun int uec_initialize(bd_t *bis, uec_info_t *uec_info)
1352*4882a593Smuzhiyun {
1353*4882a593Smuzhiyun struct eth_device *dev;
1354*4882a593Smuzhiyun int i;
1355*4882a593Smuzhiyun uec_private_t *uec;
1356*4882a593Smuzhiyun int err;
1357*4882a593Smuzhiyun
1358*4882a593Smuzhiyun dev = (struct eth_device *)malloc(sizeof(struct eth_device));
1359*4882a593Smuzhiyun if (!dev)
1360*4882a593Smuzhiyun return 0;
1361*4882a593Smuzhiyun memset(dev, 0, sizeof(struct eth_device));
1362*4882a593Smuzhiyun
1363*4882a593Smuzhiyun /* Allocate the UEC private struct */
1364*4882a593Smuzhiyun uec = (uec_private_t *)malloc(sizeof(uec_private_t));
1365*4882a593Smuzhiyun if (!uec) {
1366*4882a593Smuzhiyun return -ENOMEM;
1367*4882a593Smuzhiyun }
1368*4882a593Smuzhiyun memset(uec, 0, sizeof(uec_private_t));
1369*4882a593Smuzhiyun
1370*4882a593Smuzhiyun /* Adjust uec_info */
1371*4882a593Smuzhiyun #if (MAX_QE_RISC == 4)
1372*4882a593Smuzhiyun uec_info->risc_tx = QE_RISC_ALLOCATION_FOUR_RISCS;
1373*4882a593Smuzhiyun uec_info->risc_rx = QE_RISC_ALLOCATION_FOUR_RISCS;
1374*4882a593Smuzhiyun #endif
1375*4882a593Smuzhiyun
1376*4882a593Smuzhiyun devlist[uec_info->uf_info.ucc_num] = dev;
1377*4882a593Smuzhiyun
1378*4882a593Smuzhiyun uec->uec_info = uec_info;
1379*4882a593Smuzhiyun uec->dev = dev;
1380*4882a593Smuzhiyun
1381*4882a593Smuzhiyun sprintf(dev->name, "UEC%d", uec_info->uf_info.ucc_num);
1382*4882a593Smuzhiyun dev->iobase = 0;
1383*4882a593Smuzhiyun dev->priv = (void *)uec;
1384*4882a593Smuzhiyun dev->init = uec_init;
1385*4882a593Smuzhiyun dev->halt = uec_halt;
1386*4882a593Smuzhiyun dev->send = uec_send;
1387*4882a593Smuzhiyun dev->recv = uec_recv;
1388*4882a593Smuzhiyun
1389*4882a593Smuzhiyun /* Clear the ethnet address */
1390*4882a593Smuzhiyun for (i = 0; i < 6; i++)
1391*4882a593Smuzhiyun dev->enetaddr[i] = 0;
1392*4882a593Smuzhiyun
1393*4882a593Smuzhiyun eth_register(dev);
1394*4882a593Smuzhiyun
1395*4882a593Smuzhiyun err = uec_startup(uec);
1396*4882a593Smuzhiyun if (err) {
1397*4882a593Smuzhiyun printf("%s: Cannot configure net device, aborting.",dev->name);
1398*4882a593Smuzhiyun return err;
1399*4882a593Smuzhiyun }
1400*4882a593Smuzhiyun
1401*4882a593Smuzhiyun #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
1402*4882a593Smuzhiyun int retval;
1403*4882a593Smuzhiyun struct mii_dev *mdiodev = mdio_alloc();
1404*4882a593Smuzhiyun if (!mdiodev)
1405*4882a593Smuzhiyun return -ENOMEM;
1406*4882a593Smuzhiyun strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
1407*4882a593Smuzhiyun mdiodev->read = uec_miiphy_read;
1408*4882a593Smuzhiyun mdiodev->write = uec_miiphy_write;
1409*4882a593Smuzhiyun
1410*4882a593Smuzhiyun retval = mdio_register(mdiodev);
1411*4882a593Smuzhiyun if (retval < 0)
1412*4882a593Smuzhiyun return retval;
1413*4882a593Smuzhiyun #endif
1414*4882a593Smuzhiyun
1415*4882a593Smuzhiyun return 1;
1416*4882a593Smuzhiyun }
1417*4882a593Smuzhiyun
uec_eth_init(bd_t * bis,uec_info_t * uecs,int num)1418*4882a593Smuzhiyun int uec_eth_init(bd_t *bis, uec_info_t *uecs, int num)
1419*4882a593Smuzhiyun {
1420*4882a593Smuzhiyun int i;
1421*4882a593Smuzhiyun
1422*4882a593Smuzhiyun for (i = 0; i < num; i++)
1423*4882a593Smuzhiyun uec_initialize(bis, &uecs[i]);
1424*4882a593Smuzhiyun
1425*4882a593Smuzhiyun return 0;
1426*4882a593Smuzhiyun }
1427*4882a593Smuzhiyun
uec_standard_init(bd_t * bis)1428*4882a593Smuzhiyun int uec_standard_init(bd_t *bis)
1429*4882a593Smuzhiyun {
1430*4882a593Smuzhiyun return uec_eth_init(bis, uec_info, ARRAY_SIZE(uec_info));
1431*4882a593Smuzhiyun }
1432