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Introduce netdev.h header file and remove externs
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1/*
2 * (C) Copyright 2003
3 * Josef Baumgartner <josef.baumgartner@telex.de>
4 *
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5 * MCF5282 additionals
6 * (C) Copyright 2005
7 * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
8 *
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9 * MCF5275 additions
10 * Copyright (C) 2008 Arthur Shipkowski (art@videon-central.com)
11 *
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12 * See file CREDITS for list of people who contributed to this
13 * project.
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License as
17 * published by the Free Software Foundation; either version 2 of
18 * the License, or (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * MA 02111-1307 USA
29 */
30
31#include <common.h>
32#include <watchdog.h>
33#include <command.h>
83ec20bc 34#include <asm/immap.h>
89973f8a 35#include <netdev.h>
bf9e3b38 36
eacbd317 37#ifdef CONFIG_M5271
363d1d8f
BS
38/*
39 * Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to
40 * determine which one we are running on, based on the Chip Identification
41 * Register (CIR).
42 */
83ec20bc 43int checkcpu(void)
eacbd317 44{
b75ef85f 45 char buf[32];
363d1d8f
BS
46 unsigned short cir; /* Chip Identification Register */
47 unsigned short pin; /* Part identification number */
48 unsigned char prn; /* Part revision number */
49 char *cpu_model;
50
51 cir = mbar_readShort(MCF_CCM_CIR);
52 pin = cir >> MCF_CCM_CIR_PIN_LEN;
53 prn = cir & MCF_CCM_CIR_PRN_MASK;
54
55 switch (pin) {
56 case MCF_CCM_CIR_PIN_MCF5270:
57 cpu_model = "5270";
58 break;
59 case MCF_CCM_CIR_PIN_MCF5271:
60 cpu_model = "5271";
61 break;
62 default:
63 cpu_model = NULL;
64 break;
65 }
66
67 if (cpu_model)
68 printf("CPU: Freescale ColdFire MCF%s rev. %hu, at %s MHz\n",
83ec20bc 69 cpu_model, prn, strmhz(buf, CFG_CLK));
363d1d8f
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70 else
71 printf("CPU: Unknown - Freescale ColdFire MCF5271 family"
83ec20bc
TL
72 " (PIN: 0x%x) rev. %hu, at %s MHz\n",
73 pin, prn, strmhz(buf, CFG_CLK));
b75ef85f 74
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ZL
75 return 0;
76}
77
83ec20bc
TL
78int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
79{
eacbd317 80 mbar_writeByte(MCF_RCM_RCR,
83ec20bc 81 MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
eacbd317
ZL
82 return 0;
83};
84
85#if defined(CONFIG_WATCHDOG)
83ec20bc 86void watchdog_reset(void)
eacbd317
ZL
87{
88 mbar_writeShort(MCF_WTM_WSR, 0x5555);
89 mbar_writeShort(MCF_WTM_WSR, 0xAAAA);
90}
91
83ec20bc 92int watchdog_disable(void)
eacbd317
ZL
93{
94 mbar_writeShort(MCF_WTM_WCR, 0);
95 return (0);
96}
97
83ec20bc 98int watchdog_init(void)
eacbd317 99{
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100 mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN);
101 return (0);
102}
83ec20bc 103#endif /* #ifdef CONFIG_WATCHDOG */
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104
105#endif
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106
107#ifdef CONFIG_M5272
83ec20bc
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108int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
109{
110 volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
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111
112 wdp->wdog_wrrr = 0;
83ec20bc 113 udelay(1000);
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114
115 /* enable watchdog, set timeout to 0 and wait */
116 wdp->wdog_wrrr = 1;
83ec20bc 117 while (1) ;
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118
119 /* we don't return! */
120 return 0;
121};
122
83ec20bc
TL
123int checkcpu(void)
124{
125 volatile sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG);
bf9e3b38 126 uchar msk;
83ec20bc 127 char *suf;
bf9e3b38 128
83ec20bc
TL
129 puts("CPU: ");
130 msk = (sysctrl->sc_dir > 28) & 0xf;
bf9e3b38 131 switch (msk) {
83ec20bc
TL
132 case 0x2:
133 suf = "1K75N";
134 break;
135 case 0x4:
136 suf = "3K75N";
137 break;
138 default:
139 suf = NULL;
140 printf("Freescale MCF5272 (Mask:%01x)\n", msk);
141 break;
142 }
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143
144 if (suf)
83ec20bc 145 printf("Freescale MCF5272 %s\n", suf);
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146 return 0;
147};
148
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149#if defined(CONFIG_WATCHDOG)
150/* Called by macro WATCHDOG_RESET */
83ec20bc 151void watchdog_reset(void)
bf9e3b38 152{
83ec20bc
TL
153 volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
154 wdt->wdog_wcr = 0;
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155}
156
83ec20bc 157int watchdog_disable(void)
bf9e3b38 158{
83ec20bc 159 volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
bf9e3b38 160
83ec20bc
TL
161 wdt->wdog_wcr = 0; /* reset watchdog counter */
162 wdt->wdog_wirr = 0; /* disable watchdog interrupt */
163 wdt->wdog_wrrr = 0; /* disable watchdog timer */
bf9e3b38 164
83ec20bc 165 puts("WATCHDOG:disabled\n");
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166 return (0);
167}
168
83ec20bc 169int watchdog_init(void)
bf9e3b38 170{
83ec20bc 171 volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
bf9e3b38 172
83ec20bc 173 wdt->wdog_wirr = 0; /* disable watchdog interrupt */
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174
175 /* set timeout and enable watchdog */
83ec20bc
TL
176 wdt->wdog_wrrr =
177 ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
178 wdt->wdog_wcr = 0; /* reset watchdog counter */
bf9e3b38 179
83ec20bc 180 puts("WATCHDOG:enabled\n");
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181 return (0);
182}
83ec20bc 183#endif /* #ifdef CONFIG_WATCHDOG */
bf9e3b38 184
83ec20bc 185#endif /* #ifdef CONFIG_M5272 */
bf9e3b38 186
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187#ifdef CONFIG_M5275
188int do_reset(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
189{
190 volatile rcm_t *rcm = (rcm_t *)(MMAP_RCM);
191
192 udelay(1000);
193
194 rcm->rcr = RCM_RCR_SOFTRST;
195
196 /* we don't return! */
197 return 0;
198};
199
200int checkcpu(void)
201{
202 char buf[32];
203
204 printf("CPU: Freescale Coldfire MCF5275 at %s MHz\n",
205 strmhz(buf, CFG_CLK));
206 return 0;
207};
208
209
210#if defined(CONFIG_WATCHDOG)
211/* Called by macro WATCHDOG_RESET */
212void watchdog_reset(void)
213{
214 volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
215 wdt->wsr = 0x5555;
216 wdt->wsr = 0xAAAA;
217}
218
219int watchdog_disable(void)
220{
221 volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
222
223 wdt->wsr = 0x5555; /* reset watchdog counter */
224 wdt->wsr = 0xAAAA;
225 wdt->wcr = 0; /* disable watchdog timer */
226
227 puts("WATCHDOG:disabled\n");
228 return (0);
229}
230
231int watchdog_init(void)
232{
233 volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
234
235 wdt->wcr = 0; /* disable watchdog */
236
237 /* set timeout and enable watchdog */
238 wdt->wmr =
239 ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
240 wdt->wsr = 0x5555; /* reset watchdog counter */
241 wdt->wsr = 0xAAAA;
242
243 puts("WATCHDOG:enabled\n");
244 return (0);
245}
246#endif /* #ifdef CONFIG_WATCHDOG */
247
248#endif /* #ifdef CONFIG_M5275 */
249
bf9e3b38 250#ifdef CONFIG_M5282
83ec20bc 251int checkcpu(void)
bf9e3b38 252{
4176c799 253 unsigned char resetsource = MCFRESET_RSR;
9acb626f 254
83ec20bc
TL
255 printf("CPU: Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n",
256 MCFCCM_CIR >> 8, MCFCCM_CIR & MCFCCM_CIR_PRN_MASK);
257 printf("Reset:%s%s%s%s%s%s%s\n",
258 (resetsource & MCFRESET_RSR_LOL) ? " Loss of Lock" : "",
259 (resetsource & MCFRESET_RSR_LOC) ? " Loss of Clock" : "",
260 (resetsource & MCFRESET_RSR_EXT) ? " External" : "",
261 (resetsource & MCFRESET_RSR_POR) ? " Power On" : "",
262 (resetsource & MCFRESET_RSR_WDR) ? " Watchdog" : "",
263 (resetsource & MCFRESET_RSR_SOFT) ? " Software" : "",
264 (resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : "");
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265 return 0;
266}
267
83ec20bc 268int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
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269{
270 MCFRESET_RCR = MCFRESET_RCR_SOFTRST;
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271 return 0;
272};
273#endif
8c725b93 274
a1436a84 275#ifdef CONFIG_M5249
83ec20bc 276int checkcpu(void)
8c725b93
SR
277{
278 char buf[32];
279
83ec20bc
TL
280 printf("CPU: Freescale Coldfire MCF5249 at %s MHz\n",
281 strmhz(buf, CFG_CLK));
8c725b93
SR
282 return 0;
283}
284
83ec20bc
TL
285int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
286{
8c725b93
SR
287 /* enable watchdog, set timeout to 0 and wait */
288 mbar_writeByte(MCFSIM_SYPCR, 0xc0);
83ec20bc 289 while (1) ;
8c725b93
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290
291 /* we don't return! */
292 return 0;
293};
294#endif
a1436a84
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295
296#ifdef CONFIG_M5253
297int checkcpu(void)
298{
299 char buf[32];
300
301 unsigned char resetsource = mbar_readLong(SIM_RSR);
302 printf("CPU: Freescale Coldfire MCF5253 at %s MHz\n",
303 strmhz(buf, CFG_CLK));
304
305 if ((resetsource & SIM_RSR_HRST) || (resetsource & SIM_RSR_SWTR)) {
306 printf("Reset:%s%s\n",
307 (resetsource & SIM_RSR_HRST) ? " Hardware/ System Reset"
308 : "",
309 (resetsource & SIM_RSR_SWTR) ? " Software Watchdog" :
310 "");
311 }
312 return 0;
313}
314
315int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
316{
317 /* enable watchdog, set timeout to 0 and wait */
318 mbar_writeByte(SIM_SYPCR, 0xc0);
319 while (1) ;
320
321 /* we don't return! */
322 return 0;
323};
324#endif
86882b80
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325
326#if defined(CONFIG_MCFFEC)
327/* Default initializations for MCFFEC controllers. To override,
328 * create a board-specific function called:
329 * int board_eth_init(bd_t *bis)
330 */
331
86882b80
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332int cpu_eth_init(bd_t *bis)
333{
334 return mcffec_initialize(bis);
335}
336#endif
337