blob: 395f7767d124fc6ba2aa3830da9c313e43590c7d [file] [log] [blame]
wdenkc6097192002-11-03 00:24:07 +00001/*
2 * (C) Copyright 2000
3 * Rob Taylor. Flying Pig Systems. robt@flyingpig.com.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <asm/processor.h>
26#include <mpc824x.h>
27
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020028#ifndef CONFIG_SYS_BANK0_ROW
29#define CONFIG_SYS_BANK0_ROW 0
wdenkc6097192002-11-03 00:24:07 +000030#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020031#ifndef CONFIG_SYS_BANK1_ROW
32#define CONFIG_SYS_BANK1_ROW 0
wdenkc6097192002-11-03 00:24:07 +000033#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020034#ifndef CONFIG_SYS_BANK2_ROW
35#define CONFIG_SYS_BANK2_ROW 0
wdenkc6097192002-11-03 00:24:07 +000036#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020037#ifndef CONFIG_SYS_BANK3_ROW
38#define CONFIG_SYS_BANK3_ROW 0
wdenkc6097192002-11-03 00:24:07 +000039#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020040#ifndef CONFIG_SYS_BANK4_ROW
41#define CONFIG_SYS_BANK4_ROW 0
wdenkc6097192002-11-03 00:24:07 +000042#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020043#ifndef CONFIG_SYS_BANK5_ROW
44#define CONFIG_SYS_BANK5_ROW 0
wdenkc6097192002-11-03 00:24:07 +000045#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020046#ifndef CONFIG_SYS_BANK6_ROW
47#define CONFIG_SYS_BANK6_ROW 0
wdenkc6097192002-11-03 00:24:07 +000048#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020049#ifndef CONFIG_SYS_BANK7_ROW
50#define CONFIG_SYS_BANK7_ROW 0
wdenkc6097192002-11-03 00:24:07 +000051#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020052#ifndef CONFIG_SYS_DBUS_SIZE2
53#define CONFIG_SYS_DBUS_SIZE2 0
wdenkc6097192002-11-03 00:24:07 +000054#endif
55
56/*
57 * Breath some life into the CPU...
58 *
59 * Set up the memory map,
60 * initialize a bunch of registers,
61 */
62void
63cpu_init_f (void)
64{
65/* MOUSSE board is initialized in asm */
66#if !defined(CONFIG_MOUSSE) && !defined(CONFIG_BMW)
67 register unsigned long val;
68 CONFIG_WRITE_HALFWORD(PCICR, 0x06); /* Bus Master, respond to PCI memory space acesses*/
69/* CONFIG_WRITE_HALFWORD(PCISR, 0xffff); */ /*reset PCISR*/
70
71#if defined(CONFIG_MUSENKI) || defined(CONFIG_PN62)
72/* Why is this here, you ask? Try, just try setting 0x8000
73 * in PCIACR with CONFIG_WRITE_HALFWORD()
74 * this one was a stumper, and we are annoyed
75 */
76
77#define M_CONFIG_WRITE_HALFWORD( addr, data ) \
wdenkf2140d52004-07-01 16:30:44 +000078 __asm__ __volatile__(" \
79 stw %2,0(%0)\n \
80 sync\n \
81 sth %3,2(%1)\n \
82 sync\n \
83 " \
84 : /* no output */ \
85 : "r" (CONFIG_ADDR), "r" (CONFIG_DATA), \
86 "r" (PCISWAP(addr & ~3)), "r" (PCISWAP(data << 16)) \
87 );
wdenkc6097192002-11-03 00:24:07 +000088
wdenkf2140d52004-07-01 16:30:44 +000089 M_CONFIG_WRITE_HALFWORD(PCIACR, 0x8000);
wdenkc6097192002-11-03 00:24:07 +000090#endif
91
wdenkf2140d52004-07-01 16:30:44 +000092 CONFIG_WRITE_BYTE(PCLSR, 0x8); /* set PCI cache line size */
wdenk310b4fc2005-01-09 18:12:51 +000093 CONFIG_WRITE_BYTE (PLTR, 0x40); /* set PCI latency timer */
wdenkf2140d52004-07-01 16:30:44 +000094 /*
95 * Note that although this bit is cleared after a hard reset, it
96 * must be explicitly set and then cleared by software during
97 * initialization in order to guarantee correct operation of the
98 * DLL and the SDRAM_CLK[0:3] signals (if they are used).
99 */
100 CONFIG_READ_BYTE (AMBOR, val);
101 CONFIG_WRITE_BYTE(AMBOR, val & 0xDF);
102 CONFIG_WRITE_BYTE(AMBOR, val | 0x20);
103 CONFIG_WRITE_BYTE(AMBOR, val & 0xDF);
104#ifdef CONFIG_MPC8245
105 /* silicon bug 28 MPC8245 */
106 CONFIG_READ_BYTE(AMBOR,val);
107 CONFIG_WRITE_BYTE(AMBOR,val|0x1);
wdenkc6097192002-11-03 00:24:07 +0000108
wdenkbc3202a2005-04-03 23:11:38 +0000109#if 0
110 /*
111 * The following bug only affects older (XPC8245) processors.
112 * DMA transfers initiated by external devices get corrupted due
113 * to a hardware scheduling problem.
114 *
115 * The effect is:
116 * when transferring X words, the first 32 words are transferred
117 * OK, the next 3 x 32 words are 'old' data (from previous DMA)
118 * while the rest of the X words is xferred fine.
119 *
120 * Disabling 3 of the 4 32 word hardware buffers solves the problem
121 * with no significant performance loss.
122 */
123
wdenkf2140d52004-07-01 16:30:44 +0000124 CONFIG_READ_BYTE(PCMBCR,val);
125 /* in order not to corrupt data which is being read over the PCI bus
wdenk7ac16102004-08-01 22:48:16 +0000126 * with the PPC as slave, we need to reduce the number of PCMRBs to 1,
wdenkf2140d52004-07-01 16:30:44 +0000127 * 4.11 in the processor user manual
128 * */
129
130#if 1
131 CONFIG_WRITE_BYTE(PCMBCR,(val|0xC0)); /* 1 PCMRB */
132#else
133 CONFIG_WRITE_BYTE(PCMBCR,(val|0x80)); /* 2 PCMRBs */
134 CONFIG_WRITE_BYTE(PCMBCR,(val|0x40)); /* 3 PCMRBs */
wdenkbc3202a2005-04-03 23:11:38 +0000135 /* default, 4 PCMRBs are used */
136#endif
wdenkf2140d52004-07-01 16:30:44 +0000137#endif
138#endif
139
140 CONFIG_READ_WORD(PICR1, val);
wdenkc6097192002-11-03 00:24:07 +0000141#if defined(CONFIG_MPC8240)
wdenkf2140d52004-07-01 16:30:44 +0000142 CONFIG_WRITE_WORD( PICR1,
143 (val & (PICR1_ADDRESS_MAP | PICR1_RCS0)) |
144 PIRC1_MSK | PICR1_PROC_TYPE_603E |
145 PICR1_FLASH_WR_EN | PICR1_MCP_EN |
146 PICR1_CF_DPARK | PICR1_EN_PCS |
147 PICR1_CF_APARK );
wdenkc6097192002-11-03 00:24:07 +0000148#elif defined(CONFIG_MPC8245)
wdenkf2140d52004-07-01 16:30:44 +0000149 CONFIG_WRITE_WORD( PICR1,
150 (val & (PICR1_RCS0)) |
151 PICR1_PROC_TYPE_603E |
152 PICR1_FLASH_WR_EN | PICR1_MCP_EN |
153 PICR1_CF_DPARK | PICR1_NO_BUSW_CK |
154 PICR1_DEC| PICR1_CF_APARK | 0x10); /* 8245 UM says bit 4 must be set */
wdenkc6097192002-11-03 00:24:07 +0000155#else
156#error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
157#endif
158
wdenkf2140d52004-07-01 16:30:44 +0000159 CONFIG_READ_WORD(PICR2, val);
160 val= val & ~ (PICR2_CF_SNOOP_WS_MASK | PICR2_CF_APHASE_WS_MASK); /*mask off waitstate bits*/
wdenkc6097192002-11-03 00:24:07 +0000161#ifndef CONFIG_PN62
wdenkf2140d52004-07-01 16:30:44 +0000162 val |= PICR2_CF_SNOOP_WS_1WS | PICR2_CF_APHASE_WS_1WS; /*1 wait state*/
wdenkc6097192002-11-03 00:24:07 +0000163#endif
wdenkf2140d52004-07-01 16:30:44 +0000164 CONFIG_WRITE_WORD(PICR2, val);
wdenkc6097192002-11-03 00:24:07 +0000165
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200166 CONFIG_WRITE_WORD(EUMBBAR, CONFIG_SYS_EUMB_ADDR);
167#ifndef CONFIG_SYS_RAMBOOT
168 CONFIG_WRITE_WORD(MCCR1, (CONFIG_SYS_ROMNAL << MCCR1_ROMNAL_SHIFT) |
169 (CONFIG_SYS_BANK0_ROW) |
170 (CONFIG_SYS_BANK1_ROW << MCCR1_BANK1ROW_SHIFT) |
171 (CONFIG_SYS_BANK2_ROW << MCCR1_BANK2ROW_SHIFT) |
172 (CONFIG_SYS_BANK3_ROW << MCCR1_BANK3ROW_SHIFT) |
173 (CONFIG_SYS_BANK4_ROW << MCCR1_BANK4ROW_SHIFT) |
174 (CONFIG_SYS_BANK5_ROW << MCCR1_BANK5ROW_SHIFT) |
175 (CONFIG_SYS_BANK6_ROW << MCCR1_BANK6ROW_SHIFT) |
176 (CONFIG_SYS_BANK7_ROW << MCCR1_BANK7ROW_SHIFT) |
177 (CONFIG_SYS_ROMFAL << MCCR1_ROMFAL_SHIFT));
wdenkc6097192002-11-03 00:24:07 +0000178#endif
179
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200180#if defined(CONFIG_SYS_ASRISE) && defined(CONFIG_SYS_ASFALL)
181 CONFIG_WRITE_WORD(MCCR2, CONFIG_SYS_REFINT << MCCR2_REFINT_SHIFT |
182 CONFIG_SYS_ASRISE << MCCR2_ASRISE_SHIFT |
183 CONFIG_SYS_ASFALL << MCCR2_ASFALL_SHIFT);
wdenkc6097192002-11-03 00:24:07 +0000184#else
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200185 CONFIG_WRITE_WORD(MCCR2, CONFIG_SYS_REFINT << MCCR2_REFINT_SHIFT);
wdenkc6097192002-11-03 00:24:07 +0000186#endif
187
188#if defined(CONFIG_MPC8240)
wdenkf2140d52004-07-01 16:30:44 +0000189 CONFIG_WRITE_WORD(MCCR3,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200190 (((CONFIG_SYS_BSTOPRE & 0x003c) >> 2) << MCCR3_BSTOPRE2TO5_SHIFT) |
191 (CONFIG_SYS_REFREC << MCCR3_REFREC_SHIFT) |
192 (CONFIG_SYS_RDLAT << MCCR3_RDLAT_SHIFT));
wdenkc6097192002-11-03 00:24:07 +0000193#elif defined(CONFIG_MPC8245)
wdenkf2140d52004-07-01 16:30:44 +0000194 CONFIG_WRITE_WORD(MCCR3,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200195 (((CONFIG_SYS_BSTOPRE & 0x003c) >> 2) << MCCR3_BSTOPRE2TO5_SHIFT) |
196 (CONFIG_SYS_REFREC << MCCR3_REFREC_SHIFT));
wdenkc6097192002-11-03 00:24:07 +0000197#else
198#error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
199#endif
200
201/* this is gross. We think these should all be the same, and various boards
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200202 * should define CONFIG_SYS_ACTORW to 0 if they don't want to set it, or even, if
wdenkc6097192002-11-03 00:24:07 +0000203 * its not set, we define it to zero in this file
204 */
205#if defined(CONFIG_CU824) || defined(CONFIG_PN62)
206 CONFIG_WRITE_WORD(MCCR4,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200207 (CONFIG_SYS_PRETOACT << MCCR4_PRETOACT_SHIFT) |
208 (CONFIG_SYS_ACTTOPRE << MCCR4_ACTTOPRE_SHIFT) |
wdenkc6097192002-11-03 00:24:07 +0000209 MCCR4_BIT21 |
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200210 (CONFIG_SYS_REGISTERD_TYPE_BUFFER ? MCCR4_REGISTERED: 0) |
211 ((CONFIG_SYS_BSTOPRE & 0x0003) <<MCCR4_BSTOPRE0TO1_SHIFT ) |
212 (((CONFIG_SYS_SDMODE_CAS_LAT <<4) | (CONFIG_SYS_SDMODE_WRAP <<3) |
213 CONFIG_SYS_SDMODE_BURSTLEN) << MCCR4_SDMODE_SHIFT) |
214 (CONFIG_SYS_ACTORW << MCCR4_ACTTORW_SHIFT) |
215 (((CONFIG_SYS_BSTOPRE & 0x03c0) >> 6) << MCCR4_BSTOPRE6TO9_SHIFT));
wdenkc6097192002-11-03 00:24:07 +0000216#elif defined(CONFIG_MPC8240)
217 CONFIG_WRITE_WORD(MCCR4,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200218 (CONFIG_SYS_PRETOACT << MCCR4_PRETOACT_SHIFT) |
219 (CONFIG_SYS_ACTTOPRE << MCCR4_ACTTOPRE_SHIFT) |
wdenkc6097192002-11-03 00:24:07 +0000220 MCCR4_BIT21 |
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200221 (CONFIG_SYS_REGISTERD_TYPE_BUFFER ? MCCR4_REGISTERED: 0) |
222 ((CONFIG_SYS_BSTOPRE & 0x0003) <<MCCR4_BSTOPRE0TO1_SHIFT ) |
223 (((CONFIG_SYS_SDMODE_CAS_LAT <<4) | (CONFIG_SYS_SDMODE_WRAP <<3) |
224 (CONFIG_SYS_SDMODE_BURSTLEN)) <<MCCR4_SDMODE_SHIFT) |
225 (((CONFIG_SYS_BSTOPRE & 0x03c0) >> 6) <<MCCR4_BSTOPRE6TO9_SHIFT ));
wdenkc6097192002-11-03 00:24:07 +0000226#elif defined(CONFIG_MPC8245)
wdenkf2140d52004-07-01 16:30:44 +0000227 CONFIG_READ_WORD(MCCR1, val);
228 val &= MCCR1_DBUS_SIZE0; /* test for 64-bit mem bus */
wdenkc6097192002-11-03 00:24:07 +0000229
wdenkf2140d52004-07-01 16:30:44 +0000230 CONFIG_WRITE_WORD(MCCR4,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200231 (CONFIG_SYS_PRETOACT << MCCR4_PRETOACT_SHIFT) |
232 (CONFIG_SYS_ACTTOPRE << MCCR4_ACTTOPRE_SHIFT) |
233 (CONFIG_SYS_EXTROM ? MCCR4_EXTROM : 0) |
234 (CONFIG_SYS_REGDIMM ? MCCR4_REGDIMM : 0) |
235 (CONFIG_SYS_REGISTERD_TYPE_BUFFER ? MCCR4_REGISTERED: 0) |
236 ((CONFIG_SYS_BSTOPRE & 0x0003) <<MCCR4_BSTOPRE0TO1_SHIFT ) |
237 (CONFIG_SYS_DBUS_SIZE2 << MCCR4_DBUS_SIZE2_SHIFT) |
238 (((CONFIG_SYS_SDMODE_CAS_LAT <<4) | (CONFIG_SYS_SDMODE_WRAP <<3) |
wdenkf2140d52004-07-01 16:30:44 +0000239 (val ? 2 : 3)) << MCCR4_SDMODE_SHIFT) |
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200240 (CONFIG_SYS_ACTORW << MCCR4_ACTTORW_SHIFT) |
241 (((CONFIG_SYS_BSTOPRE & 0x03c0) >> 6) <<MCCR4_BSTOPRE6TO9_SHIFT ));
wdenkc6097192002-11-03 00:24:07 +0000242#else
243#error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
244#endif
245
wdenkf2140d52004-07-01 16:30:44 +0000246 CONFIG_WRITE_WORD(MSAR1,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200247 ( (CONFIG_SYS_BANK0_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) |
248 (((CONFIG_SYS_BANK1_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 8) |
249 (((CONFIG_SYS_BANK2_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 16) |
250 (((CONFIG_SYS_BANK3_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 24));
wdenkf2140d52004-07-01 16:30:44 +0000251 CONFIG_WRITE_WORD(EMSAR1,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200252 ( (CONFIG_SYS_BANK0_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) |
253 (((CONFIG_SYS_BANK1_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 8) |
254 (((CONFIG_SYS_BANK2_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 16) |
255 (((CONFIG_SYS_BANK3_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 24));
wdenkf2140d52004-07-01 16:30:44 +0000256 CONFIG_WRITE_WORD(MSAR2,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200257 ( (CONFIG_SYS_BANK4_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) |
258 (((CONFIG_SYS_BANK5_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 8) |
259 (((CONFIG_SYS_BANK6_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 16) |
260 (((CONFIG_SYS_BANK7_START & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 24));
wdenkf2140d52004-07-01 16:30:44 +0000261 CONFIG_WRITE_WORD(EMSAR2,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200262 ( (CONFIG_SYS_BANK4_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) |
263 (((CONFIG_SYS_BANK5_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 8) |
264 (((CONFIG_SYS_BANK6_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 16) |
265 (((CONFIG_SYS_BANK7_START & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 24));
wdenkf2140d52004-07-01 16:30:44 +0000266 CONFIG_WRITE_WORD(MEAR1,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200267 ( (CONFIG_SYS_BANK0_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) |
268 (((CONFIG_SYS_BANK1_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 8) |
269 (((CONFIG_SYS_BANK2_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 16) |
270 (((CONFIG_SYS_BANK3_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 24));
wdenkf2140d52004-07-01 16:30:44 +0000271 CONFIG_WRITE_WORD(EMEAR1,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200272 ( (CONFIG_SYS_BANK0_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) |
273 (((CONFIG_SYS_BANK1_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 8) |
274 (((CONFIG_SYS_BANK2_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 16) |
275 (((CONFIG_SYS_BANK3_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 24));
wdenkf2140d52004-07-01 16:30:44 +0000276 CONFIG_WRITE_WORD(MEAR2,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200277 ( (CONFIG_SYS_BANK4_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) |
278 (((CONFIG_SYS_BANK5_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 8) |
279 (((CONFIG_SYS_BANK6_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 16) |
280 (((CONFIG_SYS_BANK7_END & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) << 24));
wdenkf2140d52004-07-01 16:30:44 +0000281 CONFIG_WRITE_WORD(EMEAR2,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200282 ( (CONFIG_SYS_BANK4_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) |
283 (((CONFIG_SYS_BANK5_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 8) |
284 (((CONFIG_SYS_BANK6_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 16) |
285 (((CONFIG_SYS_BANK7_END & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) << 24));
wdenkc6097192002-11-03 00:24:07 +0000286
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200287 CONFIG_WRITE_BYTE(ODCR, CONFIG_SYS_ODCR);
288#ifdef CONFIG_SYS_DLL_MAX_DELAY
289 CONFIG_WRITE_BYTE(MIOCR1, CONFIG_SYS_DLL_MAX_DELAY); /* needed to make DLL lock */
wdenkc6097192002-11-03 00:24:07 +0000290#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200291#if defined(CONFIG_SYS_DLL_EXTEND) && defined(CONFIG_SYS_PCI_HOLD_DEL)
292 CONFIG_WRITE_BYTE(PMCR2, CONFIG_SYS_DLL_EXTEND | CONFIG_SYS_PCI_HOLD_DEL);
wdenkc6097192002-11-03 00:24:07 +0000293#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200294#if defined(MIOCR2) && defined(CONFIG_SYS_SDRAM_DSCD)
295 CONFIG_WRITE_BYTE(MIOCR2, CONFIG_SYS_SDRAM_DSCD); /* change memory input */
wdenkc6097192002-11-03 00:24:07 +0000296#endif /* setup & hold time */
297
wdenkf2140d52004-07-01 16:30:44 +0000298 CONFIG_WRITE_BYTE(MBER,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200299 CONFIG_SYS_BANK0_ENABLE |
300 (CONFIG_SYS_BANK1_ENABLE << 1) |
301 (CONFIG_SYS_BANK2_ENABLE << 2) |
302 (CONFIG_SYS_BANK3_ENABLE << 3) |
303 (CONFIG_SYS_BANK4_ENABLE << 4) |
304 (CONFIG_SYS_BANK5_ENABLE << 5) |
305 (CONFIG_SYS_BANK6_ENABLE << 6) |
306 (CONFIG_SYS_BANK7_ENABLE << 7));
wdenkc6097192002-11-03 00:24:07 +0000307
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200308#ifdef CONFIG_SYS_PGMAX
309 CONFIG_WRITE_BYTE(MPMR, CONFIG_SYS_PGMAX);
wdenkc6097192002-11-03 00:24:07 +0000310#endif
311
wdenkf2140d52004-07-01 16:30:44 +0000312 /* ! Wait 200us before initialize other registers */
313 /*FIXME: write a decent udelay wait */
314 __asm__ __volatile__(
315 " mtctr %0 \n \
316 0: bdnz 0b\n"
317 :
318 : "r" (0x10000));
wdenkc6097192002-11-03 00:24:07 +0000319
wdenkf2140d52004-07-01 16:30:44 +0000320 CONFIG_READ_WORD(MCCR1, val);
321 CONFIG_WRITE_WORD(MCCR1, val | MCCR1_MEMGO); /* set memory access going */
322 __asm__ __volatile__("eieio");
wdenkc6097192002-11-03 00:24:07 +0000323
324#endif /* !CONFIG_MOUSSE && !CONFIG_BMW */
325}
326
327
328#ifdef CONFIG_MOUSSE
329#ifdef INCLUDE_MPC107_REPORT
wdenkf2140d52004-07-01 16:30:44 +0000330struct MPC107_s {
331 unsigned int iobase;
332 char desc[120];
333} MPC107Regs[] = {
334 { BMC_BASE + 0x00, "MPC107 Vendor/Device ID" },
335 { BMC_BASE + 0x04, "MPC107 PCI Command/Status Register" },
336 { BMC_BASE + 0x08, "MPC107 Revision" },
337 { BMC_BASE + 0x0C, "MPC107 Cache Line Size" },
338 { BMC_BASE + 0x10, "MPC107 LMBAR" },
339 { BMC_BASE + 0x14, "MPC824x PCSR" },
340 { BMC_BASE + 0xA8, "MPC824x PICR1" },
341 { BMC_BASE + 0xAC, "MPC824x PICR2" },
342 { BMC_BASE + 0x46, "MPC824x PACR" },
343 { BMC_BASE + 0x310, "MPC824x ITWR" },
344 { BMC_BASE + 0x300, "MPC824x OMBAR" },
345 { BMC_BASE + 0x308, "MPC824x OTWR" },
346 { BMC_BASE + 0x14, "MPC107 Peripheral Control and Status Register" },
347 { BMC_BASE + 0x78, "MPC107 EUMBAR" },
348 { BMC_BASE + 0xC0, "MPC107 Processor Bus Error Status" },
349 { BMC_BASE + 0xC4, "MPC107 PCI Bus Error Status" },
350 { BMC_BASE + 0xC8, "MPC107 Processor/PCI Error Address" },
351 { BMC_BASE + 0xE0, "MPC107 AMBOR Register" },
352 { BMC_BASE + 0xF0, "MPC107 MCCR1 Register" },
353 { BMC_BASE + 0xF4, "MPC107 MCCR2 Register" },
354 { BMC_BASE + 0xF8, "MPC107 MCCR3 Register" },
355 { BMC_BASE + 0xFC, "MPC107 MCCR4 Register" },
wdenkc6097192002-11-03 00:24:07 +0000356};
357#define N_MPC107_Regs (sizeof(MPC107Regs)/sizeof(MPC107Regs[0]))
358#endif /* INCLUDE_MPC107_REPORT */
359#endif /* CONFIG_MOUSSE */
360
361/*
362 * initialize higher level parts of CPU like time base and timers
363 */
364int cpu_init_r (void)
365{
366#ifdef CONFIG_MOUSSE
367#ifdef INCLUDE_MPC107_REPORT
368 unsigned int tmp = 0, i;
369#endif
370 /*
371 * Initialize the EUMBBAR (Embedded Util Mem Block Base Addr Reg).
372 * This is necessary before the EPIC, DMA ctlr, I2C ctlr, etc. can
373 * be accessed.
374 */
375
376#ifdef CONFIG_MPC8240 /* only on MPC8240 */
377 mpc824x_mpc107_setreg (EUMBBAR, EUMBBAR_VAL);
378 /* MOT/SPS: Issue #10002, PCI (FD Alias enable) */
379 mpc824x_mpc107_setreg (AMBOR, 0x000000C0);
380#endif
381
382
383#ifdef INCLUDE_MPC107_REPORT
384 /* Check MPC824x PCI Device and Vendor ID */
385 while ((tmp = mpc824x_mpc107_getreg (BMC_BASE)) != 0x31057) {
386 printf (" MPC107: offset=0x%x, val = 0x%x\n",
387 BMC_BASE,
388 tmp);
389 }
390
391 for (i = 0; i < N_MPC107_Regs; i++) {
392 printf (" 0x%x/%s = 0x%x\n",
393 MPC107Regs[i].iobase,
394 MPC107Regs[i].desc,
395 mpc824x_mpc107_getreg (MPC107Regs[i].iobase));
396 }
397
398 printf ("IBAT0L = 0x%08X\n", mfspr (IBAT0L));
399 printf ("IBAT0U = 0x%08X\n", mfspr (IBAT0U));
400 printf ("IBAT1L = 0x%08X\n", mfspr (IBAT1L));
401 printf ("IBAT1U = 0x%08X\n", mfspr (IBAT1U));
402 printf ("IBAT2L = 0x%08X\n", mfspr (IBAT2L));
403 printf ("IBAT2U = 0x%08X\n", mfspr (IBAT2U));
404 printf ("IBAT3L = 0x%08X\n", mfspr (IBAT3L));
405 printf ("IBAT3U = 0x%08X\n", mfspr (IBAT3U));
406 printf ("DBAT0L = 0x%08X\n", mfspr (DBAT0L));
407 printf ("DBAT0U = 0x%08X\n", mfspr (DBAT0U));
408 printf ("DBAT1L = 0x%08X\n", mfspr (DBAT1L));
409 printf ("DBAT1U = 0x%08X\n", mfspr (DBAT1U));
410 printf ("DBAT2L = 0x%08X\n", mfspr (DBAT2L));
411 printf ("DBAT2U = 0x%08X\n", mfspr (DBAT2U));
412 printf ("DBAT3L = 0x%08X\n", mfspr (DBAT3L));
413 printf ("DBAT3U = 0x%08X\n", mfspr (DBAT3U));
414#endif /* INCLUDE_MPC107_REPORT */
415#endif /* CONFIG_MOUSSE */
416 return (0);
417}