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Commit | Line | Data |
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46263f2d WD |
1 | /* |
2 | * SPDX-License-Identifier: GPL-2.0 ibm-pibs | |
3 | */ | |
ba56f625 WD |
4 | /*-----------------------------------------------------------------------------+ |
5 | * | |
265817c7 | 6 | * File Name: enetemac.c |
ba56f625 | 7 | * |
265817c7 | 8 | * Function: Device driver for the ethernet EMAC3 macro on the 405GP. |
ba56f625 | 9 | * |
265817c7 | 10 | * Author: Mark Wisner |
ba56f625 WD |
11 | * |
12 | * Change Activity- | |
13 | * | |
265817c7 WD |
14 | * Date Description of Change BY |
15 | * --------- --------------------- --- | |
16 | * 05-May-99 Created MKW | |
17 | * 27-Jun-99 Clean up JWB | |
18 | * 16-Jul-99 Added MAL error recovery and better IP packet handling MKW | |
19 | * 29-Jul-99 Added Full duplex support MKW | |
20 | * 06-Aug-99 Changed names for Mal CR reg MKW | |
21 | * 23-Aug-99 Turned off SYE when running at 10Mbs MKW | |
22 | * 24-Aug-99 Marked descriptor empty after call_xlc MKW | |
23 | * 07-Sep-99 Set MAL RX buffer size reg to ENET_MAX_MTU_ALIGNED / 16 MCG | |
24 | * to avoid chaining maximum sized packets. Push starting | |
25 | * RX descriptor address up to the next cache line boundary. | |
26 | * 16-Jan-00 Added support for booting with IP of 0x0 MKW | |
27 | * 15-Mar-00 Updated enetInit() to enable broadcast addresses in the | |
ddc922ff | 28 | * EMAC0_RXM register. JWB |
265817c7 WD |
29 | * 12-Mar-01 anne-sophie.harnois@nextream.fr |
30 | * - Variables are compatible with those already defined in | |
31 | * include/net.h | |
32 | * - Receive buffer descriptor ring is used to send buffers | |
33 | * to the user | |
34 | * - Info print about send/received/handled packet number if | |
35 | * INFO_405_ENET is set | |
36 | * 17-Apr-01 stefan.roese@esd-electronics.com | |
37 | * - MAL reset in "eth_halt" included | |
38 | * - Enet speed and duplex output now in one line | |
39 | * 08-May-01 stefan.roese@esd-electronics.com | |
40 | * - MAL error handling added (eth_init called again) | |
41 | * 13-Nov-01 stefan.roese@esd-electronics.com | |
ddc922ff | 42 | * - Set IST bit in EMAC0_MR1 reg upon 100MBit or full duplex |
265817c7 WD |
43 | * 04-Jan-02 stefan.roese@esd-electronics.com |
44 | * - Wait for PHY auto negotiation to complete added | |
45 | * 06-Feb-02 stefan.roese@esd-electronics.com | |
46 | * - Bug fixed in waiting for auto negotiation to complete | |
47 | * 26-Feb-02 stefan.roese@esd-electronics.com | |
48 | * - rx and tx buffer descriptors now allocated (no fixed address | |
49 | * used anymore) | |
50 | * 17-Jun-02 stefan.roese@esd-electronics.com | |
51 | * - MAL error debug printf 'M' removed (rx de interrupt may | |
52 | * occur upon many incoming packets with only 4 rx buffers). | |
ba56f625 | 53 | *-----------------------------------------------------------------------------* |
265817c7 WD |
54 | * 17-Nov-03 travis.sawyer@sandburst.com |
55 | * - ported from 405gp_enet.c to utilized upto 4 EMAC ports | |
56 | * in the 440GX. This port should work with the 440GP | |
57 | * (2 EMACs) also | |
58 | * 15-Aug-05 sr@denx.de | |
59 | * - merged 405gp_enet.c and 440gx_enet.c to generic 4xx_enet.c | |
60 | now handling all 4xx cpu's. | |
ba56f625 WD |
61 | *-----------------------------------------------------------------------------*/ |
62 | ||
63 | #include <config.h> | |
ba56f625 WD |
64 | #include <common.h> |
65 | #include <net.h> | |
66 | #include <asm/processor.h> | |
2d83476a | 67 | #include <asm/io.h> |
ff768cb1 SR |
68 | #include <asm/cache.h> |
69 | #include <asm/mmu.h> | |
ba56f625 | 70 | #include <commproc.h> |
b36df561 SR |
71 | #include <asm/ppc4xx.h> |
72 | #include <asm/ppc4xx-emac.h> | |
73 | #include <asm/ppc4xx-mal.h> | |
ba56f625 WD |
74 | #include <miiphy.h> |
75 | #include <malloc.h> | |
f0813ab1 | 76 | #include <linux/compiler.h> |
ba56f625 | 77 | |
3a1ed1e1 | 78 | #if !(defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) |
d6c61aab SR |
79 | #error "CONFIG_MII has to be defined!" |
80 | #endif | |
ba56f625 | 81 | |
265817c7 | 82 | #define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */ |
1338e6a8 | 83 | #define PHY_AUTONEGOTIATE_TIMEOUT 5000 /* 5000 ms autonegotiate timeout */ |
ba56f625 | 84 | |
ba56f625 WD |
85 | /* Ethernet Transmit and Receive Buffers */ |
86 | /* AS.HARNOIS | |
87 | * In the same way ENET_MAX_MTU and ENET_MAX_MTU_ALIGNED are set from | |
88 | * PKTSIZE and PKTSIZE_ALIGN (include/net.h) | |
89 | */ | |
265817c7 | 90 | #define ENET_MAX_MTU PKTSIZE |
ba56f625 WD |
91 | #define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN |
92 | ||
ba56f625 WD |
93 | /*-----------------------------------------------------------------------------+ |
94 | * Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal | |
95 | * Interrupt Controller). | |
96 | *-----------------------------------------------------------------------------*/ | |
d1631fe1 SR |
97 | #define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev) * VECNUM_ETH1_OFFS)) |
98 | ||
99 | #if defined(CONFIG_HAS_ETH3) | |
100 | #if !defined(CONFIG_440GX) | |
101 | #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \ | |
102 | UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3))) | |
103 | #else | |
104 | /* Unfortunately 440GX spreads EMAC interrupts on multiple UIC's */ | |
105 | #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1))) | |
106 | #define UIC_ETHxB (UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3))) | |
107 | #endif /* !defined(CONFIG_440GX) */ | |
108 | #elif defined(CONFIG_HAS_ETH2) | |
109 | #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \ | |
110 | UIC_MASK(ETH_IRQ_NUM(2))) | |
111 | #elif defined(CONFIG_HAS_ETH1) | |
112 | #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1))) | |
113 | #else | |
114 | #define UIC_ETHx UIC_MASK(ETH_IRQ_NUM(0)) | |
115 | #endif | |
116 | ||
117 | /* | |
118 | * Define a default version for UIC_ETHxB for non 440GX so that we can | |
119 | * use common code for all 4xx variants | |
120 | */ | |
121 | #if !defined(UIC_ETHxB) | |
122 | #define UIC_ETHxB 0 | |
123 | #endif | |
124 | ||
125 | #define UIC_MAL_SERR UIC_MASK(VECNUM_MAL_SERR) | |
126 | #define UIC_MAL_TXDE UIC_MASK(VECNUM_MAL_TXDE) | |
127 | #define UIC_MAL_RXDE UIC_MASK(VECNUM_MAL_RXDE) | |
128 | #define UIC_MAL_TXEOB UIC_MASK(VECNUM_MAL_TXEOB) | |
129 | #define UIC_MAL_RXEOB UIC_MASK(VECNUM_MAL_RXEOB) | |
130 | ||
131 | #define MAL_UIC_ERR (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE) | |
132 | #define MAL_UIC_DEF (UIC_MAL_RXEOB | MAL_UIC_ERR) | |
133 | ||
134 | /* | |
135 | * We have 3 different interrupt types: | |
136 | * - MAL interrupts indicating successful transfer | |
137 | * - MAL error interrupts indicating MAL related errors | |
138 | * - EMAC interrupts indicating EMAC related errors | |
139 | * | |
140 | * All those interrupts can be on different UIC's, but since | |
141 | * now at least all interrupts from one type are on the same | |
142 | * UIC. Only exception is 440GX where the EMAC interrupts are | |
143 | * spread over two UIC's! | |
144 | */ | |
5de85140 SR |
145 | #if defined(CONFIG_440GX) |
146 | #define UIC_BASE_MAL UIC1_DCR_BASE | |
147 | #define UIC_BASE_MAL_ERR UIC2_DCR_BASE | |
148 | #define UIC_BASE_EMAC UIC2_DCR_BASE | |
149 | #define UIC_BASE_EMAC_B UIC3_DCR_BASE | |
150 | #else | |
d1631fe1 SR |
151 | #define UIC_BASE_MAL (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_TXEOB) * 0x10)) |
152 | #define UIC_BASE_MAL_ERR (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_SERR) * 0x10)) | |
153 | #define UIC_BASE_EMAC (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10)) | |
d1631fe1 SR |
154 | #define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10)) |
155 | #endif | |
ba56f625 | 156 | |
d6c61aab | 157 | #undef INFO_4XX_ENET |
ba56f625 | 158 | |
265817c7 WD |
159 | #define BI_PHYMODE_NONE 0 |
160 | #define BI_PHYMODE_ZMII 1 | |
3c74e32a | 161 | #define BI_PHYMODE_RGMII 2 |
887e2ec9 SR |
162 | #define BI_PHYMODE_GMII 3 |
163 | #define BI_PHYMODE_RTBI 4 | |
164 | #define BI_PHYMODE_TBI 5 | |
dbbd1257 | 165 | #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ |
8ac41e3e | 166 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 167 | defined(CONFIG_405EX) |
887e2ec9 SR |
168 | #define BI_PHYMODE_SMII 6 |
169 | #define BI_PHYMODE_MII 7 | |
8ac41e3e SR |
170 | #if defined(CONFIG_460EX) || defined(CONFIG_460GT) |
171 | #define BI_PHYMODE_RMII 8 | |
172 | #endif | |
887e2ec9 | 173 | #endif |
78d78236 | 174 | #define BI_PHYMODE_SGMII 9 |
3c74e32a | 175 | |
1941cce7 | 176 | #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ |
dbbd1257 | 177 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ |
8ac41e3e | 178 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 179 | defined(CONFIG_405EX) |
887e2ec9 SR |
180 | #define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1)) |
181 | #endif | |
d6c61aab | 182 | |
8ac41e3e SR |
183 | #if defined(CONFIG_460EX) || defined(CONFIG_460GT) |
184 | #define SDR0_ETH_CFG_CLK_SEL_V(n) (0x01 << (8 + n)) | |
185 | #endif | |
186 | ||
187 | #if defined(CONFIG_460EX) || defined(CONFIG_460GT) | |
188 | #define MAL_RX_CHAN_MUL 8 /* 460EX/GT uses MAL channel 8 for EMAC1 */ | |
189 | #else | |
190 | #define MAL_RX_CHAN_MUL 1 | |
191 | #endif | |
192 | ||
78d78236 VG |
193 | /*--------------------------------------------------------------------+ |
194 | * Fixed PHY (PHY-less) support for Ethernet Ports. | |
195 | *--------------------------------------------------------------------*/ | |
196 | ||
197 | /* | |
198 | * Some boards do not have a PHY for each ethernet port. These ports | |
199 | * are known as Fixed PHY (or PHY-less) ports. For such ports, set | |
200 | * the appropriate CONFIG_PHY_ADDR equal to CONFIG_FIXED_PHY and | |
6d0f6bcf | 201 | * then define CONFIG_SYS_FIXED_PHY_PORTS to define what the speed and |
78d78236 VG |
202 | * duplex should be for these ports in the board configuration |
203 | * file. | |
204 | * | |
205 | * For Example: | |
206 | * #define CONFIG_FIXED_PHY 0xFFFFFFFF | |
207 | * | |
208 | * #define CONFIG_PHY_ADDR CONFIG_FIXED_PHY | |
209 | * #define CONFIG_PHY1_ADDR 1 | |
210 | * #define CONFIG_PHY2_ADDR CONFIG_FIXED_PHY | |
211 | * #define CONFIG_PHY3_ADDR 3 | |
212 | * | |
6d0f6bcf | 213 | * #define CONFIG_SYS_FIXED_PHY_PORT(devnum,speed,duplex) \ |
78d78236 VG |
214 | * {devnum, speed, duplex}, |
215 | * | |
6d0f6bcf JCPV |
216 | * #define CONFIG_SYS_FIXED_PHY_PORTS \ |
217 | * CONFIG_SYS_FIXED_PHY_PORT(0,1000,FULL) \ | |
218 | * CONFIG_SYS_FIXED_PHY_PORT(2,100,HALF) | |
78d78236 VG |
219 | */ |
220 | ||
221 | #ifndef CONFIG_FIXED_PHY | |
222 | #define CONFIG_FIXED_PHY 0xFFFFFFFF /* Fixed PHY (PHY-less) */ | |
223 | #endif | |
224 | ||
6d0f6bcf JCPV |
225 | #ifndef CONFIG_SYS_FIXED_PHY_PORTS |
226 | #define CONFIG_SYS_FIXED_PHY_PORTS /* default is an empty array */ | |
78d78236 VG |
227 | #endif |
228 | ||
229 | struct fixed_phy_port { | |
230 | unsigned int devnum; /* ethernet port */ | |
231 | unsigned int speed; /* specified speed 10,100 or 1000 */ | |
232 | unsigned int duplex; /* specified duplex FULL or HALF */ | |
233 | }; | |
234 | ||
235 | static const struct fixed_phy_port fixed_phy_port[] = { | |
6d0f6bcf | 236 | CONFIG_SYS_FIXED_PHY_PORTS /* defined in board configuration file */ |
78d78236 VG |
237 | }; |
238 | ||
ba56f625 WD |
239 | /*-----------------------------------------------------------------------------+ |
240 | * Global variables. TX and RX descriptors and buffers. | |
241 | *-----------------------------------------------------------------------------*/ | |
d6c61aab | 242 | |
1e25f957 SR |
243 | /* |
244 | * Get count of EMAC devices (doesn't have to be the max. possible number | |
245 | * supported by the cpu) | |
353f2688 SR |
246 | * |
247 | * CONFIG_BOARD_EMAC_COUNT added so now a "dynamic" way to configure the | |
248 | * EMAC count is possible. As it is needed for the Kilauea/Haleakala | |
249 | * 405EX/405EXr eval board, using the same binary. | |
1e25f957 | 250 | */ |
353f2688 SR |
251 | #if defined(CONFIG_BOARD_EMAC_COUNT) |
252 | #define LAST_EMAC_NUM board_emac_count() | |
253 | #else /* CONFIG_BOARD_EMAC_COUNT */ | |
1e25f957 SR |
254 | #if defined(CONFIG_HAS_ETH3) |
255 | #define LAST_EMAC_NUM 4 | |
256 | #elif defined(CONFIG_HAS_ETH2) | |
257 | #define LAST_EMAC_NUM 3 | |
258 | #elif defined(CONFIG_HAS_ETH1) | |
259 | #define LAST_EMAC_NUM 2 | |
260 | #else | |
261 | #define LAST_EMAC_NUM 1 | |
262 | #endif | |
353f2688 | 263 | #endif /* CONFIG_BOARD_EMAC_COUNT */ |
d6c61aab | 264 | |
5fb692ca SR |
265 | /* normal boards start with EMAC0 */ |
266 | #if !defined(CONFIG_EMAC_NR_START) | |
267 | #define CONFIG_EMAC_NR_START 0 | |
268 | #endif | |
269 | ||
ff768cb1 SR |
270 | #define MAL_RX_DESC_SIZE 2048 |
271 | #define MAL_TX_DESC_SIZE 2048 | |
272 | #define MAL_ALLOC_SIZE (MAL_TX_DESC_SIZE + MAL_RX_DESC_SIZE) | |
273 | ||
ba56f625 WD |
274 | /*-----------------------------------------------------------------------------+ |
275 | * Prototypes and externals. | |
276 | *-----------------------------------------------------------------------------*/ | |
277 | static void enet_rcv (struct eth_device *dev, unsigned long malisr); | |
278 | ||
279 | int enetInt (struct eth_device *dev); | |
280 | static void mal_err (struct eth_device *dev, unsigned long isr, | |
281 | unsigned long uic, unsigned long maldef, | |
282 | unsigned long mal_errr); | |
283 | static void emac_err (struct eth_device *dev, unsigned long isr); | |
284 | ||
63ff004c | 285 | extern int phy_setup_aneg (char *devname, unsigned char addr); |
5700bb63 | 286 | extern int emac4xx_miiphy_read (const char *devname, unsigned char addr, |
63ff004c | 287 | unsigned char reg, unsigned short *value); |
5700bb63 | 288 | extern int emac4xx_miiphy_write (const char *devname, unsigned char addr, |
63ff004c | 289 | unsigned char reg, unsigned short value); |
d6c61aab | 290 | |
353f2688 SR |
291 | int board_emac_count(void); |
292 | ||
8ac41e3e SR |
293 | static void emac_loopback_enable(EMAC_4XX_HW_PST hw_p) |
294 | { | |
295 | #if defined(CONFIG_440SPE) || \ | |
296 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
297 | defined(CONFIG_405EX) | |
298 | u32 val; | |
299 | ||
d1c3b275 | 300 | mfsdr(SDR0_MFR, val); |
8ac41e3e | 301 | val |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); |
d1c3b275 | 302 | mtsdr(SDR0_MFR, val); |
8ac41e3e SR |
303 | #elif defined(CONFIG_460EX) || defined(CONFIG_460GT) |
304 | u32 val; | |
305 | ||
306 | mfsdr(SDR0_ETH_CFG, val); | |
307 | val |= SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum); | |
308 | mtsdr(SDR0_ETH_CFG, val); | |
309 | #endif | |
310 | } | |
311 | ||
312 | static void emac_loopback_disable(EMAC_4XX_HW_PST hw_p) | |
313 | { | |
314 | #if defined(CONFIG_440SPE) || \ | |
315 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
316 | defined(CONFIG_405EX) | |
317 | u32 val; | |
318 | ||
d1c3b275 | 319 | mfsdr(SDR0_MFR, val); |
8ac41e3e | 320 | val &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); |
d1c3b275 | 321 | mtsdr(SDR0_MFR, val); |
8ac41e3e SR |
322 | #elif defined(CONFIG_460EX) || defined(CONFIG_460GT) |
323 | u32 val; | |
324 | ||
325 | mfsdr(SDR0_ETH_CFG, val); | |
326 | val &= ~SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum); | |
327 | mtsdr(SDR0_ETH_CFG, val); | |
328 | #endif | |
329 | } | |
330 | ||
ba56f625 | 331 | /*-----------------------------------------------------------------------------+ |
d6c61aab | 332 | | ppc_4xx_eth_halt |
ba56f625 | 333 | | Disable MAL channel, and EMACn |
ba56f625 | 334 | +-----------------------------------------------------------------------------*/ |
d6c61aab | 335 | static void ppc_4xx_eth_halt (struct eth_device *dev) |
ba56f625 | 336 | { |
d6c61aab | 337 | EMAC_4XX_HW_PST hw_p = dev->priv; |
9ad31989 | 338 | u32 val = 10000; |
ba56f625 | 339 | |
ddc922ff | 340 | out_be32((void *)EMAC0_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */ |
ba56f625 WD |
341 | |
342 | /* 1st reset MAL channel */ | |
343 | /* Note: writing a 0 to a channel has no effect */ | |
d6c61aab | 344 | #if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) |
d1c3b275 | 345 | mtdcr (MAL0_TXCARR, (MAL_CR_MMSR >> (hw_p->devnum * 2))); |
d6c61aab | 346 | #else |
d1c3b275 | 347 | mtdcr (MAL0_TXCARR, (MAL_CR_MMSR >> hw_p->devnum)); |
d6c61aab | 348 | #endif |
d1c3b275 | 349 | mtdcr (MAL0_RXCARR, (MAL_CR_MMSR >> hw_p->devnum)); |
ba56f625 WD |
350 | |
351 | /* wait for reset */ | |
d1c3b275 | 352 | while (mfdcr (MAL0_RXCASR) & (MAL_CR_MMSR >> hw_p->devnum)) { |
ba56f625 | 353 | udelay (1000); /* Delay 1 MS so as not to hammer the register */ |
9ad31989 SR |
354 | val--; |
355 | if (val == 0) | |
ba56f625 | 356 | break; |
ba56f625 WD |
357 | } |
358 | ||
6c5879f3 | 359 | /* provide clocks for EMAC internal loopback */ |
8ac41e3e | 360 | emac_loopback_enable(hw_p); |
6c5879f3 | 361 | |
8ac41e3e | 362 | /* EMAC RESET */ |
ddc922ff | 363 | out_be32((void *)EMAC0_MR0 + hw_p->hw_addr, EMAC_MR0_SRST); |
ba56f625 | 364 | |
6c5879f3 | 365 | /* remove clocks for EMAC internal loopback */ |
8ac41e3e | 366 | emac_loopback_disable(hw_p); |
6c5879f3 | 367 | |
a93316c5 | 368 | #ifndef CONFIG_NETCONSOLE |
c157d8e2 | 369 | hw_p->print_speed = 1; /* print speed message again next time */ |
a93316c5 | 370 | #endif |
c157d8e2 | 371 | |
4c9e8557 SR |
372 | #if defined(CONFIG_460EX) || defined(CONFIG_460GT) |
373 | /* don't bypass the TAHOE0/TAHOE1 cores for Linux */ | |
9ad31989 SR |
374 | mfsdr(SDR0_ETH_CFG, val); |
375 | val &= ~(SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS); | |
376 | mtsdr(SDR0_ETH_CFG, val); | |
4c9e8557 SR |
377 | #endif |
378 | ||
ba56f625 WD |
379 | return; |
380 | } | |
381 | ||
846b0dd2 | 382 | #if defined (CONFIG_440GX) |
d6c61aab | 383 | int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) |
855a496f WD |
384 | { |
385 | unsigned long pfc1; | |
386 | unsigned long zmiifer; | |
387 | unsigned long rmiifer; | |
388 | ||
d1c3b275 | 389 | mfsdr(SDR0_PFC1, pfc1); |
855a496f WD |
390 | pfc1 = SDR0_PFC1_EPS_DECODE(pfc1); |
391 | ||
392 | zmiifer = 0; | |
393 | rmiifer = 0; | |
394 | ||
395 | switch (pfc1) { | |
396 | case 1: | |
397 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0); | |
398 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1); | |
399 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2); | |
400 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3); | |
401 | bis->bi_phymode[0] = BI_PHYMODE_ZMII; | |
402 | bis->bi_phymode[1] = BI_PHYMODE_ZMII; | |
403 | bis->bi_phymode[2] = BI_PHYMODE_ZMII; | |
404 | bis->bi_phymode[3] = BI_PHYMODE_ZMII; | |
405 | break; | |
406 | case 2: | |
f6e495f5 SR |
407 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0); |
408 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1); | |
409 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2); | |
410 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3); | |
855a496f WD |
411 | bis->bi_phymode[0] = BI_PHYMODE_ZMII; |
412 | bis->bi_phymode[1] = BI_PHYMODE_ZMII; | |
413 | bis->bi_phymode[2] = BI_PHYMODE_ZMII; | |
414 | bis->bi_phymode[3] = BI_PHYMODE_ZMII; | |
415 | break; | |
416 | case 3: | |
417 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0); | |
418 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2); | |
419 | bis->bi_phymode[0] = BI_PHYMODE_ZMII; | |
420 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
421 | bis->bi_phymode[2] = BI_PHYMODE_RGMII; | |
422 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
423 | break; | |
424 | case 4: | |
425 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0); | |
426 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1); | |
427 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (2); | |
428 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (3); | |
429 | bis->bi_phymode[0] = BI_PHYMODE_ZMII; | |
430 | bis->bi_phymode[1] = BI_PHYMODE_ZMII; | |
431 | bis->bi_phymode[2] = BI_PHYMODE_RGMII; | |
432 | bis->bi_phymode[3] = BI_PHYMODE_RGMII; | |
433 | break; | |
434 | case 5: | |
435 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0); | |
436 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1); | |
437 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V (2); | |
438 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3); | |
439 | bis->bi_phymode[0] = BI_PHYMODE_ZMII; | |
440 | bis->bi_phymode[1] = BI_PHYMODE_ZMII; | |
441 | bis->bi_phymode[2] = BI_PHYMODE_ZMII; | |
442 | bis->bi_phymode[3] = BI_PHYMODE_RGMII; | |
443 | break; | |
444 | case 6: | |
445 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0); | |
446 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1); | |
447 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2); | |
855a496f WD |
448 | bis->bi_phymode[0] = BI_PHYMODE_ZMII; |
449 | bis->bi_phymode[1] = BI_PHYMODE_ZMII; | |
450 | bis->bi_phymode[2] = BI_PHYMODE_RGMII; | |
855a496f WD |
451 | break; |
452 | case 0: | |
453 | default: | |
454 | zmiifer = ZMII_FER_MII << ZMII_FER_V(devnum); | |
455 | rmiifer = 0x0; | |
456 | bis->bi_phymode[0] = BI_PHYMODE_ZMII; | |
457 | bis->bi_phymode[1] = BI_PHYMODE_ZMII; | |
458 | bis->bi_phymode[2] = BI_PHYMODE_ZMII; | |
459 | bis->bi_phymode[3] = BI_PHYMODE_ZMII; | |
460 | break; | |
461 | } | |
462 | ||
463 | /* Ensure we setup mdio for this devnum and ONLY this devnum */ | |
464 | zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum); | |
465 | ||
ddc922ff | 466 | out_be32((void *)ZMII0_FER, zmiifer); |
ff768cb1 | 467 | out_be32((void *)RGMII_FER, rmiifer); |
855a496f WD |
468 | |
469 | return ((int)pfc1); | |
855a496f | 470 | } |
6c5879f3 | 471 | #endif /* CONFIG_440_GX */ |
855a496f | 472 | |
887e2ec9 SR |
473 | #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) |
474 | int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) | |
475 | { | |
476 | unsigned long zmiifer=0x0; | |
37ed6cdd | 477 | unsigned long pfc1; |
887e2ec9 | 478 | |
d1c3b275 | 479 | mfsdr(SDR0_PFC1, pfc1); |
37ed6cdd MF |
480 | pfc1 &= SDR0_PFC1_SELECT_MASK; |
481 | ||
2f15278c | 482 | switch (pfc1) { |
37ed6cdd | 483 | case SDR0_PFC1_SELECT_CONFIG_2: |
887e2ec9 | 484 | /* 1 x GMII port */ |
ddc922ff | 485 | out_be32((void *)ZMII0_FER, 0x00); |
2d83476a | 486 | out_be32((void *)RGMII_FER, 0x00000037); |
887e2ec9 SR |
487 | bis->bi_phymode[0] = BI_PHYMODE_GMII; |
488 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
489 | break; | |
37ed6cdd | 490 | case SDR0_PFC1_SELECT_CONFIG_4: |
887e2ec9 | 491 | /* 2 x RGMII ports */ |
ddc922ff | 492 | out_be32((void *)ZMII0_FER, 0x00); |
2d83476a | 493 | out_be32((void *)RGMII_FER, 0x00000055); |
887e2ec9 SR |
494 | bis->bi_phymode[0] = BI_PHYMODE_RGMII; |
495 | bis->bi_phymode[1] = BI_PHYMODE_RGMII; | |
496 | break; | |
37ed6cdd | 497 | case SDR0_PFC1_SELECT_CONFIG_6: |
887e2ec9 | 498 | /* 2 x SMII ports */ |
ddc922ff | 499 | out_be32((void *)ZMII0_FER, |
2d83476a SR |
500 | ((ZMII_FER_SMII) << ZMII_FER_V(0)) | |
501 | ((ZMII_FER_SMII) << ZMII_FER_V(1))); | |
502 | out_be32((void *)RGMII_FER, 0x00000000); | |
37ed6cdd MF |
503 | bis->bi_phymode[0] = BI_PHYMODE_SMII; |
504 | bis->bi_phymode[1] = BI_PHYMODE_SMII; | |
505 | break; | |
506 | case SDR0_PFC1_SELECT_CONFIG_1_2: | |
507 | /* only 1 x MII supported */ | |
ddc922ff | 508 | out_be32((void *)ZMII0_FER, (ZMII_FER_MII) << ZMII_FER_V(0)); |
2d83476a | 509 | out_be32((void *)RGMII_FER, 0x00000000); |
37ed6cdd MF |
510 | bis->bi_phymode[0] = BI_PHYMODE_MII; |
511 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
887e2ec9 SR |
512 | break; |
513 | default: | |
514 | break; | |
515 | } | |
516 | ||
517 | /* Ensure we setup mdio for this devnum and ONLY this devnum */ | |
ddc922ff | 518 | zmiifer = in_be32((void *)ZMII0_FER); |
887e2ec9 | 519 | zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum); |
ddc922ff | 520 | out_be32((void *)ZMII0_FER, zmiifer); |
887e2ec9 SR |
521 | |
522 | return ((int)0x0); | |
523 | } | |
524 | #endif /* CONFIG_440EPX */ | |
525 | ||
dbbd1257 SR |
526 | #if defined(CONFIG_405EX) |
527 | int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) | |
528 | { | |
1740c1bf | 529 | u32 rgmiifer = 0; |
dbbd1257 SR |
530 | |
531 | /* | |
1740c1bf GE |
532 | * The 405EX(r)'s RGMII bridge can operate in one of several |
533 | * modes, only one of which (2 x RGMII) allows the | |
534 | * simultaneous use of both EMACs on the 405EX. | |
dbbd1257 | 535 | */ |
1740c1bf GE |
536 | |
537 | switch (CONFIG_EMAC_PHY_MODE) { | |
538 | ||
539 | case EMAC_PHY_MODE_NONE: | |
540 | /* No ports */ | |
541 | rgmiifer |= RGMII_FER_DIS << 0; | |
542 | rgmiifer |= RGMII_FER_DIS << 4; | |
543 | out_be32((void *)RGMII_FER, rgmiifer); | |
544 | bis->bi_phymode[0] = BI_PHYMODE_NONE; | |
545 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
546 | break; | |
547 | case EMAC_PHY_MODE_NONE_RGMII: | |
548 | /* 1 x RGMII port on channel 0 */ | |
549 | rgmiifer |= RGMII_FER_RGMII << 0; | |
550 | rgmiifer |= RGMII_FER_DIS << 4; | |
551 | out_be32((void *)RGMII_FER, rgmiifer); | |
552 | bis->bi_phymode[0] = BI_PHYMODE_RGMII; | |
553 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
554 | break; | |
555 | case EMAC_PHY_MODE_RGMII_NONE: | |
556 | /* 1 x RGMII port on channel 1 */ | |
557 | rgmiifer |= RGMII_FER_DIS << 0; | |
558 | rgmiifer |= RGMII_FER_RGMII << 4; | |
559 | out_be32((void *)RGMII_FER, rgmiifer); | |
560 | bis->bi_phymode[0] = BI_PHYMODE_NONE; | |
561 | bis->bi_phymode[1] = BI_PHYMODE_RGMII; | |
562 | break; | |
563 | case EMAC_PHY_MODE_RGMII_RGMII: | |
dbbd1257 | 564 | /* 2 x RGMII ports */ |
1740c1bf GE |
565 | rgmiifer |= RGMII_FER_RGMII << 0; |
566 | rgmiifer |= RGMII_FER_RGMII << 4; | |
567 | out_be32((void *)RGMII_FER, rgmiifer); | |
dbbd1257 SR |
568 | bis->bi_phymode[0] = BI_PHYMODE_RGMII; |
569 | bis->bi_phymode[1] = BI_PHYMODE_RGMII; | |
570 | break; | |
1740c1bf GE |
571 | case EMAC_PHY_MODE_NONE_GMII: |
572 | /* 1 x GMII port on channel 0 */ | |
573 | rgmiifer |= RGMII_FER_GMII << 0; | |
574 | rgmiifer |= RGMII_FER_DIS << 4; | |
575 | out_be32((void *)RGMII_FER, rgmiifer); | |
576 | bis->bi_phymode[0] = BI_PHYMODE_GMII; | |
577 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
578 | break; | |
579 | case EMAC_PHY_MODE_NONE_MII: | |
580 | /* 1 x MII port on channel 0 */ | |
581 | rgmiifer |= RGMII_FER_MII << 0; | |
582 | rgmiifer |= RGMII_FER_DIS << 4; | |
583 | out_be32((void *)RGMII_FER, rgmiifer); | |
584 | bis->bi_phymode[0] = BI_PHYMODE_MII; | |
585 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
586 | break; | |
587 | case EMAC_PHY_MODE_GMII_NONE: | |
588 | /* 1 x GMII port on channel 1 */ | |
589 | rgmiifer |= RGMII_FER_DIS << 0; | |
590 | rgmiifer |= RGMII_FER_GMII << 4; | |
591 | out_be32((void *)RGMII_FER, rgmiifer); | |
592 | bis->bi_phymode[0] = BI_PHYMODE_NONE; | |
593 | bis->bi_phymode[1] = BI_PHYMODE_GMII; | |
594 | break; | |
595 | case EMAC_PHY_MODE_MII_NONE: | |
596 | /* 1 x MII port on channel 1 */ | |
597 | rgmiifer |= RGMII_FER_DIS << 0; | |
598 | rgmiifer |= RGMII_FER_MII << 4; | |
599 | out_be32((void *)RGMII_FER, rgmiifer); | |
600 | bis->bi_phymode[0] = BI_PHYMODE_NONE; | |
601 | bis->bi_phymode[1] = BI_PHYMODE_MII; | |
dbbd1257 SR |
602 | break; |
603 | default: | |
604 | break; | |
605 | } | |
606 | ||
607 | /* Ensure we setup mdio for this devnum and ONLY this devnum */ | |
1740c1bf GE |
608 | rgmiifer = in_be32((void *)RGMII_FER); |
609 | rgmiifer |= (1 << (19-devnum)); | |
610 | out_be32((void *)RGMII_FER, rgmiifer); | |
dbbd1257 SR |
611 | |
612 | return ((int)0x0); | |
613 | } | |
614 | #endif /* CONFIG_405EX */ | |
615 | ||
8ac41e3e SR |
616 | #if defined(CONFIG_460EX) || defined(CONFIG_460GT) |
617 | int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) | |
618 | { | |
619 | u32 eth_cfg; | |
620 | u32 zmiifer; /* ZMII0_FER reg. */ | |
621 | u32 rmiifer; /* RGMII0_FER reg. Bridge 0 */ | |
622 | u32 rmiifer1; /* RGMII0_FER reg. Bridge 1 */ | |
4c9e8557 | 623 | int mode; |
8ac41e3e SR |
624 | |
625 | zmiifer = 0; | |
626 | rmiifer = 0; | |
627 | rmiifer1 = 0; | |
628 | ||
4c9e8557 SR |
629 | #if defined(CONFIG_460EX) |
630 | mode = 9; | |
78d78236 VG |
631 | mfsdr(SDR0_ETH_CFG, eth_cfg); |
632 | if (((eth_cfg & SDR0_ETH_CFG_SGMII0_ENABLE) > 0) && | |
633 | ((eth_cfg & SDR0_ETH_CFG_SGMII1_ENABLE) > 0)) | |
634 | mode = 11; /* config SGMII */ | |
4c9e8557 SR |
635 | #else |
636 | mode = 10; | |
78d78236 VG |
637 | mfsdr(SDR0_ETH_CFG, eth_cfg); |
638 | if (((eth_cfg & SDR0_ETH_CFG_SGMII0_ENABLE) > 0) && | |
639 | ((eth_cfg & SDR0_ETH_CFG_SGMII1_ENABLE) > 0) && | |
640 | ((eth_cfg & SDR0_ETH_CFG_SGMII2_ENABLE) > 0)) | |
641 | mode = 12; /* config SGMII */ | |
4c9e8557 SR |
642 | #endif |
643 | ||
8ac41e3e SR |
644 | /* TODO: |
645 | * NOTE: 460GT has 2 RGMII bridge cores: | |
646 | * emac0 ------ RGMII0_BASE | |
647 | * | | |
648 | * emac1 -----+ | |
649 | * | |
650 | * emac2 ------ RGMII1_BASE | |
651 | * | | |
652 | * emac3 -----+ | |
653 | * | |
654 | * 460EX has 1 RGMII bridge core: | |
655 | * and RGMII1_BASE is disabled | |
656 | * emac0 ------ RGMII0_BASE | |
657 | * | | |
658 | * emac1 -----+ | |
659 | */ | |
660 | ||
661 | /* | |
662 | * Right now only 2*RGMII is supported. Please extend when needed. | |
663 | * sr - 2008-02-19 | |
78d78236 VG |
664 | * Add SGMII support. |
665 | * vg - 2008-07-28 | |
8ac41e3e | 666 | */ |
4c9e8557 | 667 | switch (mode) { |
8ac41e3e SR |
668 | case 1: |
669 | /* 1 MII - 460EX */ | |
670 | /* GMC0 EMAC4_0, ZMII Bridge */ | |
671 | zmiifer |= ZMII_FER_MII << ZMII_FER_V(0); | |
672 | bis->bi_phymode[0] = BI_PHYMODE_MII; | |
673 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
674 | bis->bi_phymode[2] = BI_PHYMODE_NONE; | |
675 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
676 | break; | |
677 | case 2: | |
678 | /* 2 MII - 460GT */ | |
679 | /* GMC0 EMAC4_0, GMC1 EMAC4_2, ZMII Bridge */ | |
680 | zmiifer |= ZMII_FER_MII << ZMII_FER_V(0); | |
681 | zmiifer |= ZMII_FER_MII << ZMII_FER_V(2); | |
682 | bis->bi_phymode[0] = BI_PHYMODE_MII; | |
683 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
684 | bis->bi_phymode[2] = BI_PHYMODE_MII; | |
685 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
686 | break; | |
687 | case 3: | |
688 | /* 2 RMII - 460EX */ | |
689 | /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */ | |
690 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0); | |
691 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1); | |
692 | bis->bi_phymode[0] = BI_PHYMODE_RMII; | |
693 | bis->bi_phymode[1] = BI_PHYMODE_RMII; | |
694 | bis->bi_phymode[2] = BI_PHYMODE_NONE; | |
695 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
696 | break; | |
697 | case 4: | |
698 | /* 4 RMII - 460GT */ | |
699 | /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC1 EMAC4_2, GMC1, EMAC4_3 */ | |
700 | /* ZMII Bridge */ | |
701 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0); | |
702 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1); | |
703 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2); | |
704 | zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3); | |
705 | bis->bi_phymode[0] = BI_PHYMODE_RMII; | |
706 | bis->bi_phymode[1] = BI_PHYMODE_RMII; | |
707 | bis->bi_phymode[2] = BI_PHYMODE_RMII; | |
708 | bis->bi_phymode[3] = BI_PHYMODE_RMII; | |
709 | break; | |
710 | case 5: | |
711 | /* 2 SMII - 460EX */ | |
712 | /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */ | |
713 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0); | |
714 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1); | |
715 | bis->bi_phymode[0] = BI_PHYMODE_SMII; | |
716 | bis->bi_phymode[1] = BI_PHYMODE_SMII; | |
717 | bis->bi_phymode[2] = BI_PHYMODE_NONE; | |
718 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
719 | break; | |
720 | case 6: | |
721 | /* 4 SMII - 460GT */ | |
722 | /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC0 EMAC4_3, GMC0 EMAC4_3 */ | |
723 | /* ZMII Bridge */ | |
724 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0); | |
725 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1); | |
726 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2); | |
727 | zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3); | |
728 | bis->bi_phymode[0] = BI_PHYMODE_SMII; | |
729 | bis->bi_phymode[1] = BI_PHYMODE_SMII; | |
730 | bis->bi_phymode[2] = BI_PHYMODE_SMII; | |
731 | bis->bi_phymode[3] = BI_PHYMODE_SMII; | |
732 | break; | |
733 | case 7: | |
734 | /* This is the default mode that we want for board bringup - Maple */ | |
735 | /* 1 GMII - 460EX */ | |
736 | /* GMC0 EMAC4_0, RGMII Bridge 0 */ | |
737 | rmiifer |= RGMII_FER_MDIO(0); | |
738 | ||
739 | if (devnum == 0) { | |
740 | rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */ | |
741 | bis->bi_phymode[0] = BI_PHYMODE_GMII; | |
742 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
743 | bis->bi_phymode[2] = BI_PHYMODE_NONE; | |
744 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
745 | } else { | |
746 | rmiifer |= RGMII_FER_GMII << RGMII_FER_V(3); /* CH1CFG - EMAC1 */ | |
747 | bis->bi_phymode[0] = BI_PHYMODE_NONE; | |
748 | bis->bi_phymode[1] = BI_PHYMODE_GMII; | |
749 | bis->bi_phymode[2] = BI_PHYMODE_NONE; | |
750 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
751 | } | |
752 | break; | |
753 | case 8: | |
754 | /* 2 GMII - 460GT */ | |
755 | /* GMC0 EMAC4_0, RGMII Bridge 0 */ | |
756 | /* GMC1 EMAC4_2, RGMII Bridge 1 */ | |
757 | rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */ | |
758 | rmiifer1 |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC2 */ | |
759 | rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */ | |
760 | rmiifer1 |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC2 */ | |
761 | ||
762 | bis->bi_phymode[0] = BI_PHYMODE_GMII; | |
763 | bis->bi_phymode[1] = BI_PHYMODE_NONE; | |
764 | bis->bi_phymode[2] = BI_PHYMODE_GMII; | |
765 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
766 | break; | |
767 | case 9: | |
768 | /* 2 RGMII - 460EX */ | |
769 | /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */ | |
770 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2); | |
771 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3); | |
772 | rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */ | |
773 | ||
774 | bis->bi_phymode[0] = BI_PHYMODE_RGMII; | |
775 | bis->bi_phymode[1] = BI_PHYMODE_RGMII; | |
776 | bis->bi_phymode[2] = BI_PHYMODE_NONE; | |
777 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
778 | break; | |
779 | case 10: | |
780 | /* 4 RGMII - 460GT */ | |
781 | /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */ | |
782 | /* GMC1 EMAC4_2, GMC1 EMAC4_3, RGMII Bridge 1 */ | |
783 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2); | |
784 | rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3); | |
785 | rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(2); | |
786 | rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(3); | |
787 | bis->bi_phymode[0] = BI_PHYMODE_RGMII; | |
788 | bis->bi_phymode[1] = BI_PHYMODE_RGMII; | |
789 | bis->bi_phymode[2] = BI_PHYMODE_RGMII; | |
790 | bis->bi_phymode[3] = BI_PHYMODE_RGMII; | |
791 | break; | |
78d78236 VG |
792 | case 11: |
793 | /* 2 SGMII - 460EX */ | |
794 | bis->bi_phymode[0] = BI_PHYMODE_SGMII; | |
795 | bis->bi_phymode[1] = BI_PHYMODE_SGMII; | |
796 | bis->bi_phymode[2] = BI_PHYMODE_NONE; | |
797 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
798 | break; | |
799 | case 12: | |
800 | /* 3 SGMII - 460GT */ | |
801 | bis->bi_phymode[0] = BI_PHYMODE_SGMII; | |
802 | bis->bi_phymode[1] = BI_PHYMODE_SGMII; | |
803 | bis->bi_phymode[2] = BI_PHYMODE_SGMII; | |
804 | bis->bi_phymode[3] = BI_PHYMODE_NONE; | |
805 | break; | |
8ac41e3e SR |
806 | default: |
807 | break; | |
808 | } | |
809 | ||
810 | /* Set EMAC for MDIO */ | |
811 | mfsdr(SDR0_ETH_CFG, eth_cfg); | |
812 | eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0; | |
813 | mtsdr(SDR0_ETH_CFG, eth_cfg); | |
814 | ||
815 | out_be32((void *)RGMII_FER, rmiifer); | |
816 | #if defined(CONFIG_460GT) | |
817 | out_be32((void *)RGMII_FER + RGMII1_BASE_OFFSET, rmiifer1); | |
818 | #endif | |
819 | ||
820 | /* bypass the TAHOE0/TAHOE1 cores for U-Boot */ | |
821 | mfsdr(SDR0_ETH_CFG, eth_cfg); | |
822 | eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS); | |
823 | mtsdr(SDR0_ETH_CFG, eth_cfg); | |
824 | ||
825 | return 0; | |
826 | } | |
827 | #endif /* CONFIG_460EX || CONFIG_460GT */ | |
828 | ||
ff768cb1 SR |
829 | static inline void *malloc_aligned(u32 size, u32 align) |
830 | { | |
831 | return (void *)(((u32)malloc(size + align) + align - 1) & | |
832 | ~(align - 1)); | |
833 | } | |
834 | ||
d6c61aab | 835 | static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) |
ba56f625 | 836 | { |
ff768cb1 | 837 | int i; |
d6c61aab | 838 | unsigned long reg = 0; |
ba56f625 WD |
839 | unsigned long msr; |
840 | unsigned long speed; | |
841 | unsigned long duplex; | |
842 | unsigned long failsafe; | |
843 | unsigned mode_reg; | |
844 | unsigned short devnum; | |
845 | unsigned short reg_short; | |
887e2ec9 SR |
846 | #if defined(CONFIG_440GX) || \ |
847 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
dbbd1257 | 848 | defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ |
8ac41e3e | 849 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 850 | defined(CONFIG_405EX) |
0c24dec5 | 851 | u32 opbfreq; |
d6c61aab | 852 | sys_info_t sysinfo; |
0544c636 | 853 | #if defined(CONFIG_440GX) || \ |
dbbd1257 | 854 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ |
8ac41e3e | 855 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 856 | defined(CONFIG_405EX) |
f0813ab1 | 857 | __maybe_unused int ethgroup = -1; |
6e7fb6ea | 858 | #endif |
6c5879f3 | 859 | #endif |
ff768cb1 SR |
860 | u32 bd_cached; |
861 | u32 bd_uncached = 0; | |
4fae35a5 AG |
862 | #ifdef CONFIG_4xx_DCACHE |
863 | static u32 last_used_ea = 0; | |
864 | #endif | |
e54ec0f0 SR |
865 | #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ |
866 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ | |
867 | defined(CONFIG_405EX) | |
868 | int rgmii_channel; | |
869 | #endif | |
6c5879f3 | 870 | |
d6c61aab | 871 | EMAC_4XX_HW_PST hw_p = dev->priv; |
ba56f625 WD |
872 | |
873 | /* before doing anything, figure out if we have a MAC address */ | |
874 | /* if not, bail */ | |
4f92ac36 SR |
875 | if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0) { |
876 | printf("ERROR: ethaddr not set!\n"); | |
ba56f625 | 877 | return -1; |
4f92ac36 | 878 | } |
ba56f625 | 879 | |
887e2ec9 SR |
880 | #if defined(CONFIG_440GX) || \ |
881 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
dbbd1257 | 882 | defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ |
8ac41e3e | 883 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 884 | defined(CONFIG_405EX) |
ba56f625 WD |
885 | /* Need to get the OPB frequency so we can access the PHY */ |
886 | get_sys_info (&sysinfo); | |
d6c61aab | 887 | #endif |
ba56f625 | 888 | |
ba56f625 WD |
889 | msr = mfmsr (); |
890 | mtmsr (msr & ~(MSR_EE)); /* disable interrupts */ | |
891 | ||
892 | devnum = hw_p->devnum; | |
893 | ||
d6c61aab | 894 | #ifdef INFO_4XX_ENET |
ba56f625 WD |
895 | /* AS.HARNOIS |
896 | * We should have : | |
265817c7 | 897 | * hw_p->stats.pkts_handled <= hw_p->stats.pkts_rx <= hw_p->stats.pkts_handled+PKTBUFSRX |
ba56f625 WD |
898 | * In the most cases hw_p->stats.pkts_handled = hw_p->stats.pkts_rx, but it |
899 | * is possible that new packets (without relationship with | |
900 | * current transfer) have got the time to arrived before | |
901 | * netloop calls eth_halt | |
902 | */ | |
903 | printf ("About preceeding transfer (eth%d):\n" | |
904 | "- Sent packet number %d\n" | |
905 | "- Received packet number %d\n" | |
906 | "- Handled packet number %d\n", | |
907 | hw_p->devnum, | |
908 | hw_p->stats.pkts_tx, | |
909 | hw_p->stats.pkts_rx, hw_p->stats.pkts_handled); | |
910 | ||
911 | hw_p->stats.pkts_tx = 0; | |
912 | hw_p->stats.pkts_rx = 0; | |
913 | hw_p->stats.pkts_handled = 0; | |
6c5879f3 | 914 | hw_p->print_speed = 1; /* print speed message again next time */ |
ba56f625 WD |
915 | #endif |
916 | ||
265817c7 WD |
917 | hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */ |
918 | hw_p->rx_err_index = 0; /* Receive Error Index for rx_err_log */ | |
ba56f625 WD |
919 | |
920 | hw_p->rx_slot = 0; /* MAL Receive Slot */ | |
921 | hw_p->rx_i_index = 0; /* Receive Interrupt Queue Index */ | |
922 | hw_p->rx_u_index = 0; /* Receive User Queue Index */ | |
923 | ||
924 | hw_p->tx_slot = 0; /* MAL Transmit Slot */ | |
925 | hw_p->tx_i_index = 0; /* Transmit Interrupt Queue Index */ | |
926 | hw_p->tx_u_index = 0; /* Transmit User Queue Index */ | |
927 | ||
6c5879f3 | 928 | #if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) |
ba56f625 WD |
929 | /* set RMII mode */ |
930 | /* NOTE: 440GX spec states that mode is mutually exclusive */ | |
931 | /* NOTE: Therefore, disable all other EMACS, since we handle */ | |
932 | /* NOTE: only one emac at a time */ | |
933 | reg = 0; | |
ddc922ff | 934 | out_be32((void *)ZMII0_FER, 0); |
ba56f625 | 935 | udelay (100); |
ba56f625 | 936 | |
8ac41e3e | 937 | #if defined(CONFIG_440GP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) |
ddc922ff | 938 | out_be32((void *)ZMII0_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); |
8ac41e3e SR |
939 | #elif defined(CONFIG_440GX) || \ |
940 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
941 | defined(CONFIG_460EX) || defined(CONFIG_460GT) | |
d6c61aab | 942 | ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis); |
0e6d798c | 943 | #endif |
c57c7980 | 944 | |
ddc922ff | 945 | out_be32((void *)ZMII0_SSR, ZMII0_SSR_SP << ZMII0_SSR_V(devnum)); |
6e7fb6ea | 946 | #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */ |
dbbd1257 SR |
947 | #if defined(CONFIG_405EX) |
948 | ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis); | |
949 | #endif | |
d6c61aab | 950 | |
8ac41e3e | 951 | sync(); |
0e6d798c | 952 | |
6c5879f3 | 953 | /* provide clocks for EMAC internal loopback */ |
8ac41e3e | 954 | emac_loopback_enable(hw_p); |
0e6d798c | 955 | |
8ac41e3e | 956 | /* EMAC RESET */ |
ddc922ff | 957 | out_be32((void *)EMAC0_MR0 + hw_p->hw_addr, EMAC_MR0_SRST); |
ba56f625 | 958 | |
8ac41e3e SR |
959 | /* remove clocks for EMAC internal loopback */ |
960 | emac_loopback_disable(hw_p); | |
961 | ||
ba56f625 | 962 | failsafe = 1000; |
ddc922ff | 963 | while ((in_be32((void *)EMAC0_MR0 + hw_p->hw_addr) & (EMAC_MR0_SRST)) && failsafe) { |
ba56f625 WD |
964 | udelay (1000); |
965 | failsafe--; | |
966 | } | |
887e2ec9 SR |
967 | if (failsafe <= 0) |
968 | printf("\nProblem resetting EMAC!\n"); | |
ba56f625 | 969 | |
887e2ec9 SR |
970 | #if defined(CONFIG_440GX) || \ |
971 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
dbbd1257 | 972 | defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ |
8ac41e3e | 973 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 974 | defined(CONFIG_405EX) |
ba56f625 WD |
975 | /* Whack the M1 register */ |
976 | mode_reg = 0x0; | |
977 | mode_reg &= ~0x00000038; | |
0c24dec5 FR |
978 | opbfreq = sysinfo.freqOPB / 1000000; |
979 | if (opbfreq <= 50); | |
980 | else if (opbfreq <= 66) | |
ddc922ff | 981 | mode_reg |= EMAC_MR1_OBCI_66; |
0c24dec5 | 982 | else if (opbfreq <= 83) |
ddc922ff | 983 | mode_reg |= EMAC_MR1_OBCI_83; |
0c24dec5 | 984 | else if (opbfreq <= 100) |
ddc922ff | 985 | mode_reg |= EMAC_MR1_OBCI_100; |
ba56f625 | 986 | else |
ddc922ff | 987 | mode_reg |= EMAC_MR1_OBCI_GT100; |
ba56f625 | 988 | |
ddc922ff | 989 | out_be32((void *)EMAC0_MR1 + hw_p->hw_addr, mode_reg); |
6e7fb6ea | 990 | #endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */ |
ba56f625 | 991 | |
78d78236 VG |
992 | #if defined(CONFIG_GPCS_PHY_ADDR) || defined(CONFIG_GPCS_PHY1_ADDR) || \ |
993 | defined(CONFIG_GPCS_PHY2_ADDR) || defined(CONFIG_GPCS_PHY3_ADDR) | |
994 | if (bis->bi_phymode[devnum] == BI_PHYMODE_SGMII) { | |
995 | /* | |
996 | * In SGMII mode, GPCS access is needed for | |
997 | * communication with the internal SGMII SerDes. | |
998 | */ | |
999 | switch (devnum) { | |
1000 | #if defined(CONFIG_GPCS_PHY_ADDR) | |
1001 | case 0: | |
1002 | reg = CONFIG_GPCS_PHY_ADDR; | |
1003 | break; | |
1004 | #endif | |
1005 | #if defined(CONFIG_GPCS_PHY1_ADDR) | |
1006 | case 1: | |
1007 | reg = CONFIG_GPCS_PHY1_ADDR; | |
1008 | break; | |
1009 | #endif | |
1010 | #if defined(CONFIG_GPCS_PHY2_ADDR) | |
1011 | case 2: | |
1012 | reg = CONFIG_GPCS_PHY2_ADDR; | |
1013 | break; | |
1014 | #endif | |
1015 | #if defined(CONFIG_GPCS_PHY3_ADDR) | |
1016 | case 3: | |
1017 | reg = CONFIG_GPCS_PHY3_ADDR; | |
1018 | break; | |
1019 | #endif | |
1020 | } | |
1021 | ||
ddc922ff NG |
1022 | mode_reg = in_be32((void *)EMAC0_MR1 + hw_p->hw_addr); |
1023 | mode_reg |= EMAC_MR1_MF_1000GPCS | EMAC_MR1_IPPA_SET(reg); | |
1024 | out_be32((void *)EMAC0_MR1 + hw_p->hw_addr, mode_reg); | |
78d78236 VG |
1025 | |
1026 | /* Configure GPCS interface to recommended setting for SGMII */ | |
1027 | miiphy_reset(dev->name, reg); | |
1028 | miiphy_write(dev->name, reg, 0x04, 0x8120); /* AsymPause, FDX */ | |
1029 | miiphy_write(dev->name, reg, 0x07, 0x2801); /* msg_pg, toggle */ | |
1030 | miiphy_write(dev->name, reg, 0x00, 0x0140); /* 1Gbps, FDX */ | |
1031 | } | |
1032 | #endif /* defined(CONFIG_GPCS_PHY_ADDR) */ | |
1033 | ||
ba56f625 WD |
1034 | /* wait for PHY to complete auto negotiation */ |
1035 | reg_short = 0; | |
ba56f625 WD |
1036 | switch (devnum) { |
1037 | case 0: | |
1038 | reg = CONFIG_PHY_ADDR; | |
1039 | break; | |
d6c61aab | 1040 | #if defined (CONFIG_PHY1_ADDR) |
ba56f625 WD |
1041 | case 1: |
1042 | reg = CONFIG_PHY1_ADDR; | |
1043 | break; | |
d6c61aab | 1044 | #endif |
4c9e8557 | 1045 | #if defined (CONFIG_PHY2_ADDR) |
ba56f625 WD |
1046 | case 2: |
1047 | reg = CONFIG_PHY2_ADDR; | |
1048 | break; | |
4c9e8557 SR |
1049 | #endif |
1050 | #if defined (CONFIG_PHY3_ADDR) | |
ba56f625 WD |
1051 | case 3: |
1052 | reg = CONFIG_PHY3_ADDR; | |
1053 | break; | |
1054 | #endif | |
1055 | default: | |
1056 | reg = CONFIG_PHY_ADDR; | |
1057 | break; | |
1058 | } | |
1059 | ||
3c74e32a WD |
1060 | bis->bi_phynum[devnum] = reg; |
1061 | ||
78d78236 VG |
1062 | if (reg == CONFIG_FIXED_PHY) |
1063 | goto get_speed; | |
1064 | ||
d6c61aab | 1065 | #if defined(CONFIG_PHY_RESET) |
a06752e3 WD |
1066 | /* |
1067 | * Reset the phy, only if its the first time through | |
1068 | * otherwise, just check the speeds & feeds | |
1069 | */ | |
1070 | if (hw_p->first_init == 0) { | |
ec0c2ec7 | 1071 | #if defined(CONFIG_M88E1111_PHY) |
887e2ec9 SR |
1072 | miiphy_write (dev->name, reg, 0x14, 0x0ce3); |
1073 | miiphy_write (dev->name, reg, 0x18, 0x4101); | |
1074 | miiphy_write (dev->name, reg, 0x09, 0x0e00); | |
1075 | miiphy_write (dev->name, reg, 0x04, 0x01e1); | |
ca08054e SR |
1076 | #if defined(CONFIG_M88E1111_DISABLE_FIBER) |
1077 | miiphy_read(dev->name, reg, 0x1b, ®_short); | |
1078 | reg_short |= 0x8000; | |
1079 | miiphy_write(dev->name, reg, 0x1b, reg_short); | |
1080 | #endif | |
887e2ec9 | 1081 | #endif |
78d78236 VG |
1082 | #if defined(CONFIG_M88E1112_PHY) |
1083 | if (bis->bi_phymode[devnum] == BI_PHYMODE_SGMII) { | |
1084 | /* | |
1085 | * Marvell 88E1112 PHY needs to have the SGMII MAC | |
1086 | * interace (page 2) properly configured to | |
1087 | * communicate with the 460EX/GT GPCS interface. | |
1088 | */ | |
1089 | ||
1090 | /* Set access to Page 2 */ | |
1091 | miiphy_write(dev->name, reg, 0x16, 0x0002); | |
1092 | ||
1093 | miiphy_write(dev->name, reg, 0x00, 0x0040); /* 1Gbps */ | |
1094 | miiphy_read(dev->name, reg, 0x1a, ®_short); | |
1095 | reg_short |= 0x8000; /* bypass Auto-Negotiation */ | |
1096 | miiphy_write(dev->name, reg, 0x1a, reg_short); | |
1097 | miiphy_reset(dev->name, reg); /* reset MAC interface */ | |
1098 | ||
1099 | /* Reset access to Page 0 */ | |
1100 | miiphy_write(dev->name, reg, 0x16, 0x0000); | |
1101 | } | |
1102 | #endif /* defined(CONFIG_M88E1112_PHY) */ | |
63ff004c | 1103 | miiphy_reset (dev->name, reg); |
ba56f625 | 1104 | |
887e2ec9 SR |
1105 | #if defined(CONFIG_440GX) || \ |
1106 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
8ac41e3e | 1107 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 1108 | defined(CONFIG_405EX) |
887e2ec9 | 1109 | |
0e6d798c | 1110 | #if defined(CONFIG_CIS8201_PHY) |
fc1cfcdb | 1111 | /* |
17f50f22 SR |
1112 | * Cicada 8201 PHY needs to have an extended register whacked |
1113 | * for RGMII mode. | |
fc1cfcdb | 1114 | */ |
887e2ec9 | 1115 | if (((devnum == 2) || (devnum == 3)) && (4 == ethgroup)) { |
b79316f2 | 1116 | #if defined(CONFIG_CIS8201_SHORT_ETCH) |
63ff004c | 1117 | miiphy_write (dev->name, reg, 23, 0x1300); |
b79316f2 | 1118 | #else |
63ff004c | 1119 | miiphy_write (dev->name, reg, 23, 0x1000); |
b79316f2 | 1120 | #endif |
17f50f22 SR |
1121 | /* |
1122 | * Vitesse VSC8201/Cicada CIS8201 errata: | |
1123 | * Interoperability problem with Intel 82547EI phys | |
1124 | * This work around (provided by Vitesse) changes | |
1125 | * the default timer convergence from 8ms to 12ms | |
1126 | */ | |
63ff004c MB |
1127 | miiphy_write (dev->name, reg, 0x1f, 0x2a30); |
1128 | miiphy_write (dev->name, reg, 0x08, 0x0200); | |
1129 | miiphy_write (dev->name, reg, 0x1f, 0x52b5); | |
1130 | miiphy_write (dev->name, reg, 0x02, 0x0004); | |
1131 | miiphy_write (dev->name, reg, 0x01, 0x0671); | |
1132 | miiphy_write (dev->name, reg, 0x00, 0x8fae); | |
1133 | miiphy_write (dev->name, reg, 0x1f, 0x2a30); | |
1134 | miiphy_write (dev->name, reg, 0x08, 0x0000); | |
1135 | miiphy_write (dev->name, reg, 0x1f, 0x0000); | |
17f50f22 SR |
1136 | /* end Vitesse/Cicada errata */ |
1137 | } | |
6ca8646c | 1138 | #endif /* defined(CONFIG_CIS8201_PHY) */ |
5fb692ca SR |
1139 | |
1140 | #if defined(CONFIG_ET1011C_PHY) | |
1141 | /* | |
1142 | * Agere ET1011c PHY needs to have an extended register whacked | |
1143 | * for RGMII mode. | |
1144 | */ | |
1145 | if (((devnum == 2) || (devnum ==3)) && (4 == ethgroup)) { | |
1146 | miiphy_read (dev->name, reg, 0x16, ®_short); | |
1147 | reg_short &= ~(0x7); | |
1148 | reg_short |= 0x6; /* RGMII DLL Delay*/ | |
1149 | miiphy_write (dev->name, reg, 0x16, reg_short); | |
1150 | ||
1151 | miiphy_read (dev->name, reg, 0x17, ®_short); | |
1152 | reg_short &= ~(0x40); | |
1153 | miiphy_write (dev->name, reg, 0x17, reg_short); | |
1154 | ||
1155 | miiphy_write(dev->name, reg, 0x1c, 0x74f0); | |
1156 | } | |
6ca8646c | 1157 | #endif /* defined(CONFIG_ET1011C_PHY) */ |
5fb692ca | 1158 | |
6ca8646c | 1159 | #endif /* defined(CONFIG_440GX) ... */ |
a06752e3 | 1160 | /* Start/Restart autonegotiation */ |
63ff004c | 1161 | phy_setup_aneg (dev->name, reg); |
a06752e3 WD |
1162 | udelay (1000); |
1163 | } | |
d6c61aab | 1164 | #endif /* defined(CONFIG_PHY_RESET) */ |
ba56f625 | 1165 | |
8ef583a0 | 1166 | miiphy_read (dev->name, reg, MII_BMSR, ®_short); |
ba56f625 WD |
1167 | |
1168 | /* | |
0e6d798c | 1169 | * Wait if PHY is capable of autonegotiation and autonegotiation is not complete |
ba56f625 | 1170 | */ |
8ef583a0 MF |
1171 | if ((reg_short & BMSR_ANEGCAPABLE) |
1172 | && !(reg_short & BMSR_ANEGCOMPLETE)) { | |
ba56f625 WD |
1173 | puts ("Waiting for PHY auto negotiation to complete"); |
1174 | i = 0; | |
8ef583a0 | 1175 | while (!(reg_short & BMSR_ANEGCOMPLETE)) { |
ba56f625 WD |
1176 | /* |
1177 | * Timeout reached ? | |
1178 | */ | |
1179 | if (i > PHY_AUTONEGOTIATE_TIMEOUT) { | |
1180 | puts (" TIMEOUT !\n"); | |
1181 | break; | |
1182 | } | |
1183 | ||
1184 | if ((i++ % 1000) == 0) { | |
1185 | putc ('.'); | |
1186 | } | |
1187 | udelay (1000); /* 1 ms */ | |
8ef583a0 | 1188 | miiphy_read (dev->name, reg, MII_BMSR, ®_short); |
ba56f625 WD |
1189 | } |
1190 | puts (" done\n"); | |
1191 | udelay (500000); /* another 500 ms (results in faster booting) */ | |
1192 | } | |
d6c61aab | 1193 | |
78d78236 VG |
1194 | get_speed: |
1195 | if (reg == CONFIG_FIXED_PHY) { | |
1196 | for (i = 0; i < ARRAY_SIZE(fixed_phy_port); i++) { | |
1197 | if (devnum == fixed_phy_port[i].devnum) { | |
1198 | speed = fixed_phy_port[i].speed; | |
1199 | duplex = fixed_phy_port[i].duplex; | |
1200 | break; | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | if (i == ARRAY_SIZE(fixed_phy_port)) { | |
1205 | printf("ERROR: PHY (%s) not configured correctly!\n", | |
1206 | dev->name); | |
1207 | return -1; | |
1208 | } | |
1209 | } else { | |
1210 | speed = miiphy_speed(dev->name, reg); | |
1211 | duplex = miiphy_duplex(dev->name, reg); | |
1212 | } | |
ba56f625 WD |
1213 | |
1214 | if (hw_p->print_speed) { | |
1215 | hw_p->print_speed = 0; | |
5fb692ca SR |
1216 | printf ("ENET Speed is %d Mbps - %s duplex connection (EMAC%d)\n", |
1217 | (int) speed, (duplex == HALF) ? "HALF" : "FULL", | |
1218 | hw_p->devnum); | |
ba56f625 WD |
1219 | } |
1220 | ||
8ac41e3e SR |
1221 | #if defined(CONFIG_440) && \ |
1222 | !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ | |
1223 | !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \ | |
1224 | !defined(CONFIG_460EX) && !defined(CONFIG_460GT) | |
846b0dd2 | 1225 | #if defined(CONFIG_440EP) || defined(CONFIG_440GR) |
d1c3b275 | 1226 | mfsdr(SDR0_MFR, reg); |
c157d8e2 SR |
1227 | if (speed == 100) { |
1228 | reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_100M; | |
1229 | } else { | |
1230 | reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M; | |
1231 | } | |
d1c3b275 | 1232 | mtsdr(SDR0_MFR, reg); |
c157d8e2 | 1233 | #endif |
c57c7980 | 1234 | |
ba56f625 | 1235 | /* Set ZMII/RGMII speed according to the phy link speed */ |
ddc922ff | 1236 | reg = in_be32((void *)ZMII0_SSR); |
855a496f | 1237 | if ( (speed == 100) || (speed == 1000) ) |
ddc922ff | 1238 | out_be32((void *)ZMII0_SSR, reg | (ZMII0_SSR_SP << ZMII0_SSR_V (devnum))); |
ba56f625 | 1239 | else |
ddc922ff | 1240 | out_be32((void *)ZMII0_SSR, reg & (~(ZMII0_SSR_SP << ZMII0_SSR_V (devnum)))); |
ba56f625 WD |
1241 | |
1242 | if ((devnum == 2) || (devnum == 3)) { | |
1243 | if (speed == 1000) | |
1244 | reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum)); | |
1245 | else if (speed == 100) | |
1246 | reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V (devnum)); | |
887e2ec9 | 1247 | else if (speed == 10) |
ba56f625 | 1248 | reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V (devnum)); |
887e2ec9 SR |
1249 | else { |
1250 | printf("Error in RGMII Speed\n"); | |
1251 | return -1; | |
1252 | } | |
ff768cb1 | 1253 | out_be32((void *)RGMII_SSR, reg); |
ba56f625 | 1254 | } |
6e7fb6ea | 1255 | #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */ |
ba56f625 | 1256 | |
dbbd1257 | 1257 | #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ |
8ac41e3e | 1258 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 1259 | defined(CONFIG_405EX) |
e54ec0f0 SR |
1260 | if (devnum >= 2) |
1261 | rgmii_channel = devnum - 2; | |
1262 | else | |
1263 | rgmii_channel = devnum; | |
1264 | ||
887e2ec9 | 1265 | if (speed == 1000) |
e54ec0f0 | 1266 | reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V(rgmii_channel)); |
887e2ec9 | 1267 | else if (speed == 100) |
e54ec0f0 | 1268 | reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V(rgmii_channel)); |
887e2ec9 | 1269 | else if (speed == 10) |
e54ec0f0 | 1270 | reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V(rgmii_channel)); |
887e2ec9 SR |
1271 | else { |
1272 | printf("Error in RGMII Speed\n"); | |
1273 | return -1; | |
1274 | } | |
2d83476a | 1275 | out_be32((void *)RGMII_SSR, reg); |
8ac41e3e SR |
1276 | #if defined(CONFIG_460GT) |
1277 | if ((devnum == 2) || (devnum == 3)) | |
1278 | out_be32((void *)RGMII_SSR + RGMII1_BASE_OFFSET, reg); | |
1279 | #endif | |
887e2ec9 SR |
1280 | #endif |
1281 | ||
ba56f625 | 1282 | /* set the Mal configuration reg */ |
887e2ec9 SR |
1283 | #if defined(CONFIG_440GX) || \ |
1284 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
dbbd1257 | 1285 | defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ |
8ac41e3e | 1286 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 1287 | defined(CONFIG_405EX) |
d1c3b275 | 1288 | mtdcr (MAL0_CFG, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | |
17f50f22 SR |
1289 | MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000); |
1290 | #else | |
d1c3b275 | 1291 | mtdcr (MAL0_CFG, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT); |
ba56f625 | 1292 | /* Errata 1.12: MAL_1 -- Disable MAL bursting */ |
17f50f22 | 1293 | if (get_pvr() == PVR_440GP_RB) { |
d1c3b275 | 1294 | mtdcr (MAL0_CFG, mfdcr(MAL0_CFG) & ~MAL_CR_PLBB); |
17f50f22 SR |
1295 | } |
1296 | #endif | |
ba56f625 | 1297 | |
ba56f625 WD |
1298 | /* |
1299 | * Malloc MAL buffer desciptors, make sure they are | |
1300 | * aligned on cache line boundary size | |
1301 | * (401/403/IOP480 = 16, 405 = 32) | |
1302 | * and doesn't cross cache block boundaries. | |
1303 | */ | |
ff768cb1 SR |
1304 | if (hw_p->first_init == 0) { |
1305 | debug("*** Allocating descriptor memory ***\n"); | |
ba56f625 | 1306 | |
ff768cb1 SR |
1307 | bd_cached = (u32)malloc_aligned(MAL_ALLOC_SIZE, 4096); |
1308 | if (!bd_cached) { | |
b002144e | 1309 | printf("%s: Error allocating MAL descriptor buffers!\n", __func__); |
ff768cb1 SR |
1310 | return -1; |
1311 | } | |
b79316f2 | 1312 | |
ff768cb1 | 1313 | #ifdef CONFIG_4xx_DCACHE |
ba79fde5 | 1314 | flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE); |
4fae35a5 | 1315 | if (!last_used_ea) |
6d0f6bcf JCPV |
1316 | #if defined(CONFIG_SYS_MEM_TOP_HIDE) |
1317 | bd_uncached = bis->bi_memsize + CONFIG_SYS_MEM_TOP_HIDE; | |
5e3dca57 | 1318 | #else |
4fae35a5 | 1319 | bd_uncached = bis->bi_memsize; |
5e3dca57 | 1320 | #endif |
4fae35a5 AG |
1321 | else |
1322 | bd_uncached = last_used_ea + MAL_ALLOC_SIZE; | |
1323 | ||
1324 | last_used_ea = bd_uncached; | |
ff768cb1 SR |
1325 | program_tlb(bd_cached, bd_uncached, MAL_ALLOC_SIZE, |
1326 | TLB_WORD2_I_ENABLE); | |
1327 | #else | |
1328 | bd_uncached = bd_cached; | |
1329 | #endif | |
1330 | hw_p->tx_phys = bd_cached; | |
1331 | hw_p->rx_phys = bd_cached + MAL_TX_DESC_SIZE; | |
1332 | hw_p->tx = (mal_desc_t *)(bd_uncached); | |
1333 | hw_p->rx = (mal_desc_t *)(bd_uncached + MAL_TX_DESC_SIZE); | |
c97e74af | 1334 | debug("hw_p->tx=%p, hw_p->rx=%p\n", hw_p->tx, hw_p->rx); |
ba56f625 WD |
1335 | } |
1336 | ||
1337 | for (i = 0; i < NUM_TX_BUFF; i++) { | |
1338 | hw_p->tx[i].ctrl = 0; | |
1339 | hw_p->tx[i].data_len = 0; | |
ff768cb1 SR |
1340 | if (hw_p->first_init == 0) |
1341 | hw_p->txbuf_ptr = malloc_aligned(MAL_ALLOC_SIZE, | |
1342 | L1_CACHE_BYTES); | |
ba56f625 WD |
1343 | hw_p->tx[i].data_ptr = hw_p->txbuf_ptr; |
1344 | if ((NUM_TX_BUFF - 1) == i) | |
1345 | hw_p->tx[i].ctrl |= MAL_TX_CTRL_WRAP; | |
1346 | hw_p->tx_run[i] = -1; | |
c97e74af | 1347 | debug("TX_BUFF %d @ 0x%08x\n", i, (u32)hw_p->tx[i].data_ptr); |
ba56f625 WD |
1348 | } |
1349 | ||
1350 | for (i = 0; i < NUM_RX_BUFF; i++) { | |
1351 | hw_p->rx[i].ctrl = 0; | |
1352 | hw_p->rx[i].data_len = 0; | |
ff768cb1 | 1353 | hw_p->rx[i].data_ptr = (char *)NetRxPackets[i]; |
ba56f625 WD |
1354 | if ((NUM_RX_BUFF - 1) == i) |
1355 | hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP; | |
1356 | hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR; | |
1357 | hw_p->rx_ready[i] = -1; | |
c97e74af | 1358 | debug("RX_BUFF %d @ 0x%08x\n", i, (u32)hw_p->rx[i].data_ptr); |
ba56f625 WD |
1359 | } |
1360 | ||
1361 | reg = 0x00000000; | |
1362 | ||
1363 | reg |= dev->enetaddr[0]; /* set high address */ | |
1364 | reg = reg << 8; | |
1365 | reg |= dev->enetaddr[1]; | |
1366 | ||
ddc922ff | 1367 | out_be32((void *)EMAC0_IAH + hw_p->hw_addr, reg); |
ba56f625 WD |
1368 | |
1369 | reg = 0x00000000; | |
1370 | reg |= dev->enetaddr[2]; /* set low address */ | |
1371 | reg = reg << 8; | |
1372 | reg |= dev->enetaddr[3]; | |
1373 | reg = reg << 8; | |
1374 | reg |= dev->enetaddr[4]; | |
1375 | reg = reg << 8; | |
1376 | reg |= dev->enetaddr[5]; | |
1377 | ||
ddc922ff | 1378 | out_be32((void *)EMAC0_IAL + hw_p->hw_addr, reg); |
ba56f625 WD |
1379 | |
1380 | switch (devnum) { | |
1381 | case 1: | |
1382 | /* setup MAL tx & rx channel pointers */ | |
d6c61aab | 1383 | #if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR) |
d1c3b275 | 1384 | mtdcr (MAL0_TXCTP2R, hw_p->tx_phys); |
c157d8e2 | 1385 | #else |
d1c3b275 | 1386 | mtdcr (MAL0_TXCTP1R, hw_p->tx_phys); |
c157d8e2 | 1387 | #endif |
d6c61aab | 1388 | #if defined(CONFIG_440) |
d1c3b275 SR |
1389 | mtdcr (MAL0_TXBADDR, 0x0); |
1390 | mtdcr (MAL0_RXBADDR, 0x0); | |
d6c61aab | 1391 | #endif |
8ac41e3e SR |
1392 | |
1393 | #if defined(CONFIG_460EX) || defined(CONFIG_460GT) | |
d1c3b275 | 1394 | mtdcr (MAL0_RXCTP8R, hw_p->rx_phys); |
8ac41e3e | 1395 | /* set RX buffer size */ |
d1c3b275 | 1396 | mtdcr (MAL0_RCBS8, ENET_MAX_MTU_ALIGNED / 16); |
8ac41e3e | 1397 | #else |
d1c3b275 | 1398 | mtdcr (MAL0_RXCTP1R, hw_p->rx_phys); |
ba56f625 | 1399 | /* set RX buffer size */ |
d1c3b275 | 1400 | mtdcr (MAL0_RCBS1, ENET_MAX_MTU_ALIGNED / 16); |
8ac41e3e | 1401 | #endif |
ba56f625 | 1402 | break; |
846b0dd2 | 1403 | #if defined (CONFIG_440GX) |
ba56f625 WD |
1404 | case 2: |
1405 | /* setup MAL tx & rx channel pointers */ | |
d1c3b275 SR |
1406 | mtdcr (MAL0_TXBADDR, 0x0); |
1407 | mtdcr (MAL0_RXBADDR, 0x0); | |
1408 | mtdcr (MAL0_TXCTP2R, hw_p->tx_phys); | |
1409 | mtdcr (MAL0_RXCTP2R, hw_p->rx_phys); | |
ba56f625 | 1410 | /* set RX buffer size */ |
d1c3b275 | 1411 | mtdcr (MAL0_RCBS2, ENET_MAX_MTU_ALIGNED / 16); |
ba56f625 WD |
1412 | break; |
1413 | case 3: | |
1414 | /* setup MAL tx & rx channel pointers */ | |
d1c3b275 SR |
1415 | mtdcr (MAL0_TXBADDR, 0x0); |
1416 | mtdcr (MAL0_TXCTP3R, hw_p->tx_phys); | |
1417 | mtdcr (MAL0_RXBADDR, 0x0); | |
1418 | mtdcr (MAL0_RXCTP3R, hw_p->rx_phys); | |
ba56f625 | 1419 | /* set RX buffer size */ |
d1c3b275 | 1420 | mtdcr (MAL0_RCBS3, ENET_MAX_MTU_ALIGNED / 16); |
ba56f625 | 1421 | break; |
c57c7980 | 1422 | #endif /* CONFIG_440GX */ |
4c9e8557 SR |
1423 | #if defined (CONFIG_460GT) |
1424 | case 2: | |
1425 | /* setup MAL tx & rx channel pointers */ | |
d1c3b275 SR |
1426 | mtdcr (MAL0_TXBADDR, 0x0); |
1427 | mtdcr (MAL0_RXBADDR, 0x0); | |
1428 | mtdcr (MAL0_TXCTP2R, hw_p->tx_phys); | |
1429 | mtdcr (MAL0_RXCTP16R, hw_p->rx_phys); | |
4c9e8557 | 1430 | /* set RX buffer size */ |
d1c3b275 | 1431 | mtdcr (MAL0_RCBS16, ENET_MAX_MTU_ALIGNED / 16); |
4c9e8557 SR |
1432 | break; |
1433 | case 3: | |
1434 | /* setup MAL tx & rx channel pointers */ | |
d1c3b275 SR |
1435 | mtdcr (MAL0_TXBADDR, 0x0); |
1436 | mtdcr (MAL0_RXBADDR, 0x0); | |
1437 | mtdcr (MAL0_TXCTP3R, hw_p->tx_phys); | |
1438 | mtdcr (MAL0_RXCTP24R, hw_p->rx_phys); | |
4c9e8557 | 1439 | /* set RX buffer size */ |
d1c3b275 | 1440 | mtdcr (MAL0_RCBS24, ENET_MAX_MTU_ALIGNED / 16); |
4c9e8557 SR |
1441 | break; |
1442 | #endif /* CONFIG_460GT */ | |
ba56f625 WD |
1443 | case 0: |
1444 | default: | |
1445 | /* setup MAL tx & rx channel pointers */ | |
d6c61aab | 1446 | #if defined(CONFIG_440) |
d1c3b275 SR |
1447 | mtdcr (MAL0_TXBADDR, 0x0); |
1448 | mtdcr (MAL0_RXBADDR, 0x0); | |
d6c61aab | 1449 | #endif |
d1c3b275 SR |
1450 | mtdcr (MAL0_TXCTP0R, hw_p->tx_phys); |
1451 | mtdcr (MAL0_RXCTP0R, hw_p->rx_phys); | |
ba56f625 | 1452 | /* set RX buffer size */ |
d1c3b275 | 1453 | mtdcr (MAL0_RCBS0, ENET_MAX_MTU_ALIGNED / 16); |
ba56f625 WD |
1454 | break; |
1455 | } | |
1456 | ||
1457 | /* Enable MAL transmit and receive channels */ | |
d6c61aab | 1458 | #if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) |
d1c3b275 | 1459 | mtdcr (MAL0_TXCASR, (MAL_TXRX_CASR >> (hw_p->devnum*2))); |
c157d8e2 | 1460 | #else |
d1c3b275 | 1461 | mtdcr (MAL0_TXCASR, (MAL_TXRX_CASR >> hw_p->devnum)); |
c157d8e2 | 1462 | #endif |
d1c3b275 | 1463 | mtdcr (MAL0_RXCASR, (MAL_TXRX_CASR >> hw_p->devnum)); |
ba56f625 WD |
1464 | |
1465 | /* set transmit enable & receive enable */ | |
ddc922ff | 1466 | out_be32((void *)EMAC0_MR0 + hw_p->hw_addr, EMAC_MR0_TXE | EMAC_MR0_RXE); |
ba56f625 | 1467 | |
ddc922ff | 1468 | mode_reg = in_be32((void *)EMAC0_MR1 + hw_p->hw_addr); |
76957cb3 SR |
1469 | |
1470 | /* set rx-/tx-fifo size */ | |
1471 | mode_reg = (mode_reg & ~EMAC_MR1_FIFO_MASK) | EMAC_MR1_FIFO_SIZE; | |
ba56f625 WD |
1472 | |
1473 | /* set speed */ | |
6e7fb6ea | 1474 | if (speed == _1000BASET) { |
5e7abce9 | 1475 | #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) |
6e7fb6ea | 1476 | unsigned long pfc1; |
887e2ec9 | 1477 | |
d1c3b275 | 1478 | mfsdr (SDR0_PFC1, pfc1); |
6e7fb6ea | 1479 | pfc1 |= SDR0_PFC1_EM_1000; |
d1c3b275 | 1480 | mtsdr (SDR0_PFC1, pfc1); |
6e7fb6ea | 1481 | #endif |
ddc922ff | 1482 | mode_reg = mode_reg | EMAC_MR1_MF_1000MBPS | EMAC_MR1_IST; |
6e7fb6ea | 1483 | } else if (speed == _100BASET) |
ddc922ff | 1484 | mode_reg = mode_reg | EMAC_MR1_MF_100MBPS | EMAC_MR1_IST; |
ba56f625 WD |
1485 | else |
1486 | mode_reg = mode_reg & ~0x00C00000; /* 10 MBPS */ | |
1487 | if (duplex == FULL) | |
ddc922ff | 1488 | mode_reg = mode_reg | 0x80000000 | EMAC_MR1_IST; |
ba56f625 | 1489 | |
ddc922ff | 1490 | out_be32((void *)EMAC0_MR1 + hw_p->hw_addr, mode_reg); |
ba56f625 WD |
1491 | |
1492 | /* Enable broadcast and indvidual address */ | |
1493 | /* TBS: enabling runts as some misbehaved nics will send runts */ | |
ddc922ff | 1494 | out_be32((void *)EMAC0_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE); |
ba56f625 WD |
1495 | |
1496 | /* we probably need to set the tx mode1 reg? maybe at tx time */ | |
1497 | ||
1498 | /* set transmit request threshold register */ | |
ddc922ff | 1499 | out_be32((void *)EMAC0_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */ |
ba56f625 | 1500 | |
265817c7 | 1501 | /* set receive low/high water mark register */ |
d6c61aab | 1502 | #if defined(CONFIG_440) |
6c5879f3 | 1503 | /* 440s has a 64 byte burst length */ |
ddc922ff | 1504 | out_be32((void *)EMAC0_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000); |
d6c61aab SR |
1505 | #else |
1506 | /* 405s have a 16 byte burst length */ | |
ddc922ff | 1507 | out_be32((void *)EMAC0_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000); |
d6c61aab | 1508 | #endif /* defined(CONFIG_440) */ |
ddc922ff | 1509 | out_be32((void *)EMAC0_TMR1 + hw_p->hw_addr, 0xf8640000); |
ba56f625 WD |
1510 | |
1511 | /* Set fifo limit entry in tx mode 0 */ | |
ddc922ff | 1512 | out_be32((void *)EMAC0_TMR0 + hw_p->hw_addr, 0x00000003); |
ba56f625 | 1513 | /* Frame gap set */ |
ddc922ff | 1514 | out_be32((void *)EMAC0_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008); |
ba56f625 WD |
1515 | |
1516 | /* Set EMAC IER */ | |
d6c61aab | 1517 | hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | EMAC_ISR_ORE | EMAC_ISR_IRE; |
ba56f625 WD |
1518 | if (speed == _100BASET) |
1519 | hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE; | |
1520 | ||
ddc922ff NG |
1521 | out_be32((void *)EMAC0_ISR + hw_p->hw_addr, 0xffffffff); /* clear pending interrupts */ |
1522 | out_be32((void *)EMAC0_IER + hw_p->hw_addr, hw_p->emac_ier); | |
ba56f625 WD |
1523 | |
1524 | if (hw_p->first_init == 0) { | |
1525 | /* | |
1526 | * Connect interrupt service routines | |
1527 | */ | |
dbbd1257 SR |
1528 | irq_install_handler(ETH_IRQ_NUM(hw_p->devnum), |
1529 | (interrupt_handler_t *) enetInt, dev); | |
ba56f625 | 1530 | } |
ba56f625 WD |
1531 | |
1532 | mtmsr (msr); /* enable interrupts again */ | |
1533 | ||
1534 | hw_p->bis = bis; | |
1535 | hw_p->first_init = 1; | |
1536 | ||
802b769b | 1537 | return 0; |
ba56f625 WD |
1538 | } |
1539 | ||
1540 | ||
3f9eb617 | 1541 | static int ppc_4xx_eth_send(struct eth_device *dev, void *ptr, int len) |
ba56f625 WD |
1542 | { |
1543 | struct enet_frame *ef_ptr; | |
1544 | ulong time_start, time_now; | |
1545 | unsigned long temp_txm0; | |
d6c61aab | 1546 | EMAC_4XX_HW_PST hw_p = dev->priv; |
ba56f625 WD |
1547 | |
1548 | ef_ptr = (struct enet_frame *) ptr; | |
1549 | ||
1550 | /*-----------------------------------------------------------------------+ | |
1551 | * Copy in our address into the frame. | |
1552 | *-----------------------------------------------------------------------*/ | |
1553 | (void) memcpy (ef_ptr->source_addr, dev->enetaddr, ENET_ADDR_LENGTH); | |
1554 | ||
1555 | /*-----------------------------------------------------------------------+ | |
1556 | * If frame is too long or too short, modify length. | |
1557 | *-----------------------------------------------------------------------*/ | |
1558 | /* TBS: where does the fragment go???? */ | |
1559 | if (len > ENET_MAX_MTU) | |
1560 | len = ENET_MAX_MTU; | |
1561 | ||
1562 | /* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */ | |
1563 | memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len); | |
ba79fde5 | 1564 | flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len); |
ba56f625 WD |
1565 | |
1566 | /*-----------------------------------------------------------------------+ | |
1567 | * set TX Buffer busy, and send it | |
1568 | *-----------------------------------------------------------------------*/ | |
1569 | hw_p->tx[hw_p->tx_slot].ctrl = (MAL_TX_CTRL_LAST | | |
1570 | EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP) & | |
1571 | ~(EMAC_TX_CTRL_ISA | EMAC_TX_CTRL_RSA); | |
1572 | if ((NUM_TX_BUFF - 1) == hw_p->tx_slot) | |
1573 | hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_WRAP; | |
1574 | ||
1575 | hw_p->tx[hw_p->tx_slot].data_len = (short) len; | |
1576 | hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_READY; | |
1577 | ||
8ac41e3e | 1578 | sync(); |
ba56f625 | 1579 | |
ddc922ff NG |
1580 | out_be32((void *)EMAC0_TMR0 + hw_p->hw_addr, |
1581 | in_be32((void *)EMAC0_TMR0 + hw_p->hw_addr) | EMAC_TMR0_GNP0); | |
d6c61aab | 1582 | #ifdef INFO_4XX_ENET |
ba56f625 WD |
1583 | hw_p->stats.pkts_tx++; |
1584 | #endif | |
1585 | ||
1586 | /*-----------------------------------------------------------------------+ | |
1587 | * poll unitl the packet is sent and then make sure it is OK | |
1588 | *-----------------------------------------------------------------------*/ | |
1589 | time_start = get_timer (0); | |
1590 | while (1) { | |
ddc922ff | 1591 | temp_txm0 = in_be32((void *)EMAC0_TMR0 + hw_p->hw_addr); |
ba56f625 | 1592 | /* loop until either TINT turns on or 3 seconds elapse */ |
ddc922ff | 1593 | if ((temp_txm0 & EMAC_TMR0_GNP0) != 0) { |
ba56f625 WD |
1594 | /* transmit is done, so now check for errors |
1595 | * If there is an error, an interrupt should | |
1596 | * happen when we return | |
1597 | */ | |
1598 | time_now = get_timer (0); | |
1599 | if ((time_now - time_start) > 3000) { | |
1600 | return (-1); | |
1601 | } | |
1602 | } else { | |
1603 | return (len); | |
1604 | } | |
1605 | } | |
1606 | } | |
1607 | ||
ba56f625 WD |
1608 | int enetInt (struct eth_device *dev) |
1609 | { | |
1610 | int serviced; | |
1611 | int rc = -1; /* default to not us */ | |
d1631fe1 SR |
1612 | u32 mal_isr; |
1613 | u32 emac_isr = 0; | |
1614 | u32 mal_eob; | |
1615 | u32 uic_mal; | |
1616 | u32 uic_mal_err; | |
1617 | u32 uic_emac; | |
1618 | u32 uic_emac_b; | |
d6c61aab | 1619 | EMAC_4XX_HW_PST hw_p; |
ba56f625 WD |
1620 | |
1621 | /* | |
1622 | * Because the mal is generic, we need to get the current | |
1623 | * eth device | |
1624 | */ | |
d6c61aab | 1625 | dev = eth_get_dev(); |
ba56f625 WD |
1626 | |
1627 | hw_p = dev->priv; | |
1628 | ||
ba56f625 WD |
1629 | /* enter loop that stays in interrupt code until nothing to service */ |
1630 | do { | |
1631 | serviced = 0; | |
1632 | ||
d1631fe1 SR |
1633 | uic_mal = mfdcr(UIC_BASE_MAL + UIC_MSR); |
1634 | uic_mal_err = mfdcr(UIC_BASE_MAL_ERR + UIC_MSR); | |
1635 | uic_emac = mfdcr(UIC_BASE_EMAC + UIC_MSR); | |
1636 | uic_emac_b = mfdcr(UIC_BASE_EMAC_B + UIC_MSR); | |
887e2ec9 | 1637 | |
d1631fe1 SR |
1638 | if (!(uic_mal & (UIC_MAL_RXEOB | UIC_MAL_TXEOB)) |
1639 | && !(uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)) | |
1640 | && !(uic_emac & UIC_ETHx) && !(uic_emac_b & UIC_ETHxB)) { | |
ba56f625 WD |
1641 | /* not for us */ |
1642 | return (rc); | |
1643 | } | |
d1631fe1 | 1644 | |
ba56f625 | 1645 | /* get and clear controller status interrupts */ |
d1631fe1 SR |
1646 | /* look at MAL and EMAC error interrupts */ |
1647 | if (uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)) { | |
1648 | /* we have a MAL error interrupt */ | |
d1c3b275 | 1649 | mal_isr = mfdcr(MAL0_ESR); |
d1631fe1 SR |
1650 | mal_err(dev, mal_isr, uic_mal_err, |
1651 | MAL_UIC_DEF, MAL_UIC_ERR); | |
ba56f625 | 1652 | |
d1631fe1 SR |
1653 | /* clear MAL error interrupt status bits */ |
1654 | mtdcr(UIC_BASE_MAL_ERR + UIC_SR, | |
1655 | UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE); | |
ba56f625 | 1656 | |
d1631fe1 | 1657 | return -1; |
ba56f625 WD |
1658 | } |
1659 | ||
d1631fe1 SR |
1660 | /* look for EMAC errors */ |
1661 | if ((uic_emac & UIC_ETHx) || (uic_emac_b & UIC_ETHxB)) { | |
ddc922ff | 1662 | emac_isr = in_be32((void *)EMAC0_ISR + hw_p->hw_addr); |
d1631fe1 | 1663 | emac_err(dev, emac_isr); |
6e7fb6ea | 1664 | |
d1631fe1 SR |
1665 | /* clear EMAC error interrupt status bits */ |
1666 | mtdcr(UIC_BASE_EMAC + UIC_SR, UIC_ETHx); | |
1667 | mtdcr(UIC_BASE_EMAC_B + UIC_SR, UIC_ETHxB); | |
6e7fb6ea | 1668 | |
d1631fe1 | 1669 | return -1; |
ba56f625 | 1670 | } |
d6c61aab | 1671 | |
d1631fe1 SR |
1672 | /* handle MAX TX EOB interrupt from a tx */ |
1673 | if (uic_mal & UIC_MAL_TXEOB) { | |
1674 | /* clear MAL interrupt status bits */ | |
d1c3b275 SR |
1675 | mal_eob = mfdcr(MAL0_TXEOBISR); |
1676 | mtdcr(MAL0_TXEOBISR, mal_eob); | |
d1631fe1 SR |
1677 | mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_TXEOB); |
1678 | ||
1679 | /* indicate that we serviced an interrupt */ | |
1680 | serviced = 1; | |
1681 | rc = 0; | |
d6c61aab SR |
1682 | } |
1683 | ||
16263087 | 1684 | /* handle MAL RX EOB interrupt from a receive */ |
d1631fe1 SR |
1685 | /* check for EOB on valid channels */ |
1686 | if (uic_mal & UIC_MAL_RXEOB) { | |
d1c3b275 | 1687 | mal_eob = mfdcr(MAL0_RXEOBISR); |
d1631fe1 SR |
1688 | if (mal_eob & |
1689 | (0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL))) { | |
1690 | /* push packet to upper layer */ | |
1691 | enet_rcv(dev, emac_isr); | |
d6c61aab | 1692 | |
d1631fe1 SR |
1693 | /* clear MAL interrupt status bits */ |
1694 | mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_RXEOB); | |
d6c61aab | 1695 | |
d6c61aab SR |
1696 | /* indicate that we serviced an interrupt */ |
1697 | serviced = 1; | |
1698 | rc = 0; | |
1699 | } | |
1700 | } | |
c0b46d8e JC |
1701 | #if defined(CONFIG_405EZ) |
1702 | /* | |
1703 | * On 405EZ the RX-/TX-interrupts are coalesced into | |
1704 | * one IRQ bit in the UIC. We need to acknowledge the | |
1705 | * RX-/TX-interrupts in the SDR0_ICINTSTAT reg as well. | |
1706 | */ | |
1707 | mtsdr(SDR0_ICINTSTAT, | |
1708 | SDR_ICRX_STAT | SDR_ICTX0_STAT | SDR_ICTX1_STAT); | |
1709 | #endif /* defined(CONFIG_405EZ) */ | |
d1631fe1 | 1710 | } while (serviced); |
d6c61aab SR |
1711 | |
1712 | return (rc); | |
1713 | } | |
1714 | ||
ba56f625 WD |
1715 | /*-----------------------------------------------------------------------------+ |
1716 | * MAL Error Routine | |
1717 | *-----------------------------------------------------------------------------*/ | |
1718 | static void mal_err (struct eth_device *dev, unsigned long isr, | |
1719 | unsigned long uic, unsigned long maldef, | |
1720 | unsigned long mal_errr) | |
1721 | { | |
d6c61aab | 1722 | EMAC_4XX_HW_PST hw_p = dev->priv; |
ba56f625 | 1723 | |
d1c3b275 | 1724 | mtdcr (MAL0_ESR, isr); /* clear interrupt */ |
ba56f625 WD |
1725 | |
1726 | /* clear DE interrupt */ | |
d1c3b275 SR |
1727 | mtdcr (MAL0_TXDEIR, 0xC0000000); |
1728 | mtdcr (MAL0_RXDEIR, 0x80000000); | |
ba56f625 | 1729 | |
d6c61aab | 1730 | #ifdef INFO_4XX_ENET |
265817c7 | 1731 | printf ("\nMAL error occured.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx \n", isr, uic, maldef, mal_errr); |
ba56f625 WD |
1732 | #endif |
1733 | ||
1734 | eth_init (hw_p->bis); /* start again... */ | |
1735 | } | |
1736 | ||
1737 | /*-----------------------------------------------------------------------------+ | |
1738 | * EMAC Error Routine | |
1739 | *-----------------------------------------------------------------------------*/ | |
1740 | static void emac_err (struct eth_device *dev, unsigned long isr) | |
1741 | { | |
d6c61aab | 1742 | EMAC_4XX_HW_PST hw_p = dev->priv; |
ba56f625 WD |
1743 | |
1744 | printf ("EMAC%d error occured.... ISR = %lx\n", hw_p->devnum, isr); | |
ddc922ff | 1745 | out_be32((void *)EMAC0_ISR + hw_p->hw_addr, isr); |
ba56f625 WD |
1746 | } |
1747 | ||
1748 | /*-----------------------------------------------------------------------------+ | |
1749 | * enet_rcv() handles the ethernet receive data | |
1750 | *-----------------------------------------------------------------------------*/ | |
1751 | static void enet_rcv (struct eth_device *dev, unsigned long malisr) | |
1752 | { | |
ba56f625 WD |
1753 | unsigned long data_len; |
1754 | unsigned long rx_eob_isr; | |
d6c61aab | 1755 | EMAC_4XX_HW_PST hw_p = dev->priv; |
ba56f625 WD |
1756 | |
1757 | int handled = 0; | |
1758 | int i; | |
1759 | int loop_count = 0; | |
1760 | ||
d1c3b275 | 1761 | rx_eob_isr = mfdcr (MAL0_RXEOBISR); |
8ac41e3e | 1762 | if ((0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL)) & rx_eob_isr) { |
ba56f625 | 1763 | /* clear EOB */ |
d1c3b275 | 1764 | mtdcr (MAL0_RXEOBISR, rx_eob_isr); |
ba56f625 WD |
1765 | |
1766 | /* EMAC RX done */ | |
1767 | while (1) { /* do all */ | |
1768 | i = hw_p->rx_slot; | |
1769 | ||
1770 | if ((MAL_RX_CTRL_EMPTY & hw_p->rx[i].ctrl) | |
1771 | || (loop_count >= NUM_RX_BUFF)) | |
1772 | break; | |
a2e1c709 | 1773 | |
ba56f625 | 1774 | loop_count++; |
ba56f625 | 1775 | handled++; |
8ac41e3e | 1776 | data_len = (unsigned long) hw_p->rx[i].data_len & 0x0fff; /* Get len */ |
ba56f625 WD |
1777 | if (data_len) { |
1778 | if (data_len > ENET_MAX_MTU) /* Check len */ | |
1779 | data_len = 0; | |
1780 | else { | |
1781 | if (EMAC_RX_ERRORS & hw_p->rx[i].ctrl) { /* Check Errors */ | |
1782 | data_len = 0; | |
1783 | hw_p->stats.rx_err_log[hw_p-> | |
1784 | rx_err_index] | |
1785 | = hw_p->rx[i].ctrl; | |
1786 | hw_p->rx_err_index++; | |
1787 | if (hw_p->rx_err_index == | |
1788 | MAX_ERR_LOG) | |
1789 | hw_p->rx_err_index = | |
1790 | 0; | |
fc1cfcdb | 1791 | } /* emac_erros */ |
ba56f625 | 1792 | } /* data_len < max mtu */ |
fc1cfcdb | 1793 | } /* if data_len */ |
ba56f625 WD |
1794 | if (!data_len) { /* no data */ |
1795 | hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY; /* Free Recv Buffer */ | |
1796 | ||
1797 | hw_p->stats.data_len_err++; /* Error at Rx */ | |
1798 | } | |
1799 | ||
1800 | /* !data_len */ | |
1801 | /* AS.HARNOIS */ | |
1802 | /* Check if user has already eaten buffer */ | |
1803 | /* if not => ERROR */ | |
1804 | else if (hw_p->rx_ready[hw_p->rx_i_index] != -1) { | |
1805 | if (hw_p->is_receiving) | |
1806 | printf ("ERROR : Receive buffers are full!\n"); | |
1807 | break; | |
1808 | } else { | |
1809 | hw_p->stats.rx_frames++; | |
1810 | hw_p->stats.rx += data_len; | |
d6c61aab | 1811 | #ifdef INFO_4XX_ENET |
ba56f625 WD |
1812 | hw_p->stats.pkts_rx++; |
1813 | #endif | |
1814 | /* AS.HARNOIS | |
1815 | * use ring buffer | |
1816 | */ | |
1817 | hw_p->rx_ready[hw_p->rx_i_index] = i; | |
1818 | hw_p->rx_i_index++; | |
1819 | if (NUM_RX_BUFF == hw_p->rx_i_index) | |
1820 | hw_p->rx_i_index = 0; | |
1821 | ||
a2e1c709 SR |
1822 | hw_p->rx_slot++; |
1823 | if (NUM_RX_BUFF == hw_p->rx_slot) | |
1824 | hw_p->rx_slot = 0; | |
1825 | ||
ba56f625 WD |
1826 | /* AS.HARNOIS |
1827 | * free receive buffer only when | |
1828 | * buffer has been handled (eth_rx) | |
1829 | rx[i].ctrl |= MAL_RX_CTRL_EMPTY; | |
1830 | */ | |
1831 | } /* if data_len */ | |
1832 | } /* while */ | |
1833 | } /* if EMACK_RXCHL */ | |
1834 | } | |
1835 | ||
1836 | ||
d6c61aab | 1837 | static int ppc_4xx_eth_rx (struct eth_device *dev) |
ba56f625 WD |
1838 | { |
1839 | int length; | |
1840 | int user_index; | |
1841 | unsigned long msr; | |
d6c61aab | 1842 | EMAC_4XX_HW_PST hw_p = dev->priv; |
ba56f625 | 1843 | |
265817c7 | 1844 | hw_p->is_receiving = 1; /* tell driver */ |
ba56f625 WD |
1845 | |
1846 | for (;;) { | |
1847 | /* AS.HARNOIS | |
1848 | * use ring buffer and | |
1849 | * get index from rx buffer desciptor queue | |
1850 | */ | |
1851 | user_index = hw_p->rx_ready[hw_p->rx_u_index]; | |
1852 | if (user_index == -1) { | |
1853 | length = -1; | |
1854 | break; /* nothing received - leave for() loop */ | |
1855 | } | |
1856 | ||
1857 | msr = mfmsr (); | |
1858 | mtmsr (msr & ~(MSR_EE)); | |
1859 | ||
8ac41e3e | 1860 | length = hw_p->rx[user_index].data_len & 0x0fff; |
ba56f625 WD |
1861 | |
1862 | /* Pass the packet up to the protocol layers. */ | |
265817c7 WD |
1863 | /* NetReceive(NetRxPackets[rxIdx], length - 4); */ |
1864 | /* NetReceive(NetRxPackets[i], length); */ | |
ff768cb1 SR |
1865 | invalidate_dcache_range((u32)hw_p->rx[user_index].data_ptr, |
1866 | (u32)hw_p->rx[user_index].data_ptr + | |
ba79fde5 | 1867 | length - 4); |
ba56f625 WD |
1868 | NetReceive (NetRxPackets[user_index], length - 4); |
1869 | /* Free Recv Buffer */ | |
1870 | hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY; | |
1871 | /* Free rx buffer descriptor queue */ | |
1872 | hw_p->rx_ready[hw_p->rx_u_index] = -1; | |
1873 | hw_p->rx_u_index++; | |
1874 | if (NUM_RX_BUFF == hw_p->rx_u_index) | |
1875 | hw_p->rx_u_index = 0; | |
1876 | ||
d6c61aab | 1877 | #ifdef INFO_4XX_ENET |
ba56f625 WD |
1878 | hw_p->stats.pkts_handled++; |
1879 | #endif | |
1880 | ||
1881 | mtmsr (msr); /* Enable IRQ's */ | |
1882 | } | |
1883 | ||
265817c7 | 1884 | hw_p->is_receiving = 0; /* tell driver */ |
ba56f625 WD |
1885 | |
1886 | return length; | |
1887 | } | |
1888 | ||
d6c61aab | 1889 | int ppc_4xx_eth_initialize (bd_t * bis) |
ba56f625 WD |
1890 | { |
1891 | static int virgin = 0; | |
ba56f625 WD |
1892 | struct eth_device *dev; |
1893 | int eth_num = 0; | |
d6c61aab | 1894 | EMAC_4XX_HW_PST hw = NULL; |
5fb692ca SR |
1895 | u8 ethaddr[4 + CONFIG_EMAC_NR_START][6]; |
1896 | u32 hw_addr[4]; | |
d1631fe1 | 1897 | u32 mal_ier; |
ba56f625 | 1898 | |
846b0dd2 | 1899 | #if defined(CONFIG_440GX) |
c157d8e2 SR |
1900 | unsigned long pfc1; |
1901 | ||
d1c3b275 | 1902 | mfsdr (SDR0_PFC1, pfc1); |
ba56f625 WD |
1903 | pfc1 &= ~(0x01e00000); |
1904 | pfc1 |= 0x01200000; | |
d1c3b275 | 1905 | mtsdr (SDR0_PFC1, pfc1); |
c157d8e2 | 1906 | #endif |
6c5879f3 | 1907 | |
5fb692ca SR |
1908 | /* first clear all mac-addresses */ |
1909 | for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) | |
1910 | memcpy(ethaddr[eth_num], "\0\0\0\0\0\0", 6); | |
a06752e3 | 1911 | |
1e25f957 | 1912 | for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) { |
d3f87148 | 1913 | int ethaddr_idx = eth_num + CONFIG_EMAC_NR_START; |
ba56f625 | 1914 | switch (eth_num) { |
e2ffd59b | 1915 | default: /* fall through */ |
ba56f625 | 1916 | case 0: |
d3f87148 | 1917 | eth_getenv_enetaddr("ethaddr", ethaddr[ethaddr_idx]); |
5fb692ca | 1918 | hw_addr[eth_num] = 0x0; |
ba56f625 | 1919 | break; |
e2ffd59b | 1920 | #ifdef CONFIG_HAS_ETH1 |
ba56f625 | 1921 | case 1: |
d3f87148 | 1922 | eth_getenv_enetaddr("eth1addr", ethaddr[ethaddr_idx]); |
5fb692ca | 1923 | hw_addr[eth_num] = 0x100; |
ba56f625 | 1924 | break; |
e2ffd59b WD |
1925 | #endif |
1926 | #ifdef CONFIG_HAS_ETH2 | |
ba56f625 | 1927 | case 2: |
d3f87148 | 1928 | eth_getenv_enetaddr("eth2addr", ethaddr[ethaddr_idx]); |
4c9e8557 SR |
1929 | #if defined(CONFIG_460GT) |
1930 | hw_addr[eth_num] = 0x300; | |
1931 | #else | |
5fb692ca | 1932 | hw_addr[eth_num] = 0x400; |
4c9e8557 | 1933 | #endif |
ba56f625 | 1934 | break; |
e2ffd59b WD |
1935 | #endif |
1936 | #ifdef CONFIG_HAS_ETH3 | |
ba56f625 | 1937 | case 3: |
d3f87148 | 1938 | eth_getenv_enetaddr("eth3addr", ethaddr[ethaddr_idx]); |
4c9e8557 SR |
1939 | #if defined(CONFIG_460GT) |
1940 | hw_addr[eth_num] = 0x400; | |
1941 | #else | |
5fb692ca | 1942 | hw_addr[eth_num] = 0x600; |
4c9e8557 | 1943 | #endif |
ba56f625 | 1944 | break; |
e2ffd59b | 1945 | #endif |
ba56f625 | 1946 | } |
5fb692ca SR |
1947 | } |
1948 | ||
1949 | /* set phy num and mode */ | |
1950 | bis->bi_phynum[0] = CONFIG_PHY_ADDR; | |
1951 | bis->bi_phymode[0] = 0; | |
1952 | ||
1953 | #if defined(CONFIG_PHY1_ADDR) | |
1954 | bis->bi_phynum[1] = CONFIG_PHY1_ADDR; | |
1955 | bis->bi_phymode[1] = 0; | |
1956 | #endif | |
1957 | #if defined(CONFIG_440GX) | |
1958 | bis->bi_phynum[2] = CONFIG_PHY2_ADDR; | |
1959 | bis->bi_phynum[3] = CONFIG_PHY3_ADDR; | |
1960 | bis->bi_phymode[2] = 2; | |
1961 | bis->bi_phymode[3] = 2; | |
dbbd1257 | 1962 | #endif |
5fb692ca | 1963 | |
dbbd1257 SR |
1964 | #if defined(CONFIG_440GX) || \ |
1965 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
1966 | defined(CONFIG_405EX) | |
5fb692ca SR |
1967 | ppc_4xx_eth_setup_bridge(0, bis); |
1968 | #endif | |
1969 | ||
1970 | for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) { | |
1971 | /* | |
1972 | * See if we can actually bring up the interface, | |
1973 | * otherwise, skip it | |
1974 | */ | |
1975 | if (memcmp (ethaddr[eth_num], "\0\0\0\0\0\0", 6) == 0) { | |
1976 | bis->bi_phymode[eth_num] = BI_PHYMODE_NONE; | |
1977 | continue; | |
1978 | } | |
ba56f625 WD |
1979 | |
1980 | /* Allocate device structure */ | |
1981 | dev = (struct eth_device *) malloc (sizeof (*dev)); | |
1982 | if (dev == NULL) { | |
d6c61aab | 1983 | printf ("ppc_4xx_eth_initialize: " |
3f85ce27 | 1984 | "Cannot allocate eth_device %d\n", eth_num); |
ba56f625 WD |
1985 | return (-1); |
1986 | } | |
b2532eff | 1987 | memset(dev, 0, sizeof(*dev)); |
ba56f625 WD |
1988 | |
1989 | /* Allocate our private use data */ | |
d6c61aab | 1990 | hw = (EMAC_4XX_HW_PST) malloc (sizeof (*hw)); |
ba56f625 | 1991 | if (hw == NULL) { |
d6c61aab | 1992 | printf ("ppc_4xx_eth_initialize: " |
3f85ce27 | 1993 | "Cannot allocate private hw data for eth_device %d", |
ba56f625 WD |
1994 | eth_num); |
1995 | free (dev); | |
1996 | return (-1); | |
1997 | } | |
b2532eff | 1998 | memset(hw, 0, sizeof(*hw)); |
ba56f625 | 1999 | |
5fb692ca SR |
2000 | hw->hw_addr = hw_addr[eth_num]; |
2001 | memcpy (dev->enetaddr, ethaddr[eth_num], 6); | |
ba56f625 | 2002 | hw->devnum = eth_num; |
c157d8e2 | 2003 | hw->print_speed = 1; |
ba56f625 | 2004 | |
5fb692ca | 2005 | sprintf (dev->name, "ppc_4xx_eth%d", eth_num - CONFIG_EMAC_NR_START); |
ba56f625 | 2006 | dev->priv = (void *) hw; |
d6c61aab SR |
2007 | dev->init = ppc_4xx_eth_init; |
2008 | dev->halt = ppc_4xx_eth_halt; | |
2009 | dev->send = ppc_4xx_eth_send; | |
2010 | dev->recv = ppc_4xx_eth_rx; | |
ba56f625 | 2011 | |
3ce04d9b SR |
2012 | eth_register(dev); |
2013 | ||
2014 | #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) | |
2015 | miiphy_register(dev->name, | |
2016 | emac4xx_miiphy_read, emac4xx_miiphy_write); | |
2017 | #endif | |
2018 | ||
ba56f625 WD |
2019 | if (0 == virgin) { |
2020 | /* set the MAL IER ??? names may change with new spec ??? */ | |
dbbd1257 SR |
2021 | #if defined(CONFIG_440SPE) || \ |
2022 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ | |
8ac41e3e | 2023 | defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ |
dbbd1257 | 2024 | defined(CONFIG_405EX) |
6c5879f3 MB |
2025 | mal_ier = |
2026 | MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE | | |
2027 | MAL_IER_DE | MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE ; | |
2028 | #else | |
ba56f625 WD |
2029 | mal_ier = |
2030 | MAL_IER_DE | MAL_IER_NE | MAL_IER_TE | | |
2031 | MAL_IER_OPBE | MAL_IER_PLBE; | |
6c5879f3 | 2032 | #endif |
d1c3b275 SR |
2033 | mtdcr (MAL0_ESR, 0xffffffff); /* clear pending interrupts */ |
2034 | mtdcr (MAL0_TXDEIR, 0xffffffff); /* clear pending interrupts */ | |
2035 | mtdcr (MAL0_RXDEIR, 0xffffffff); /* clear pending interrupts */ | |
2036 | mtdcr (MAL0_IER, mal_ier); | |
ba56f625 WD |
2037 | |
2038 | /* install MAL interrupt handler */ | |
d1631fe1 | 2039 | irq_install_handler (VECNUM_MAL_SERR, |
ba56f625 WD |
2040 | (interrupt_handler_t *) enetInt, |
2041 | dev); | |
d1631fe1 | 2042 | irq_install_handler (VECNUM_MAL_TXEOB, |
ba56f625 WD |
2043 | (interrupt_handler_t *) enetInt, |
2044 | dev); | |
d1631fe1 | 2045 | irq_install_handler (VECNUM_MAL_RXEOB, |
ba56f625 WD |
2046 | (interrupt_handler_t *) enetInt, |
2047 | dev); | |
d1631fe1 | 2048 | irq_install_handler (VECNUM_MAL_TXDE, |
ba56f625 WD |
2049 | (interrupt_handler_t *) enetInt, |
2050 | dev); | |
d1631fe1 | 2051 | irq_install_handler (VECNUM_MAL_RXDE, |
ba56f625 WD |
2052 | (interrupt_handler_t *) enetInt, |
2053 | dev); | |
2054 | virgin = 1; | |
2055 | } | |
ba56f625 | 2056 | } /* end for each supported device */ |
802b769b SR |
2057 | |
2058 | return 0; | |
ba56f625 | 2059 | } |