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wdenkf5c5ef42005-04-05 16:26:47 +00001/*
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +02002 * (C) Copyright 2008 Wolfgang Grandegger <wg@denx.de>
3 *
4 * (C) Copyright 2006
5 * Thomas Waehner, TQ-Systems GmbH, thomas.waehner@tqs.de.
6 *
Stefan Roesed96f41e2005-11-30 13:06:40 +01007 * (C) Copyright 2005
8 * Stefan Roese, DENX Software Engineering, sr@denx.de.
9 *
wdenkf5c5ef42005-04-05 16:26:47 +000010 * Copyright 2004 Freescale Semiconductor.
11 * (C) Copyright 2002,2003, Motorola Inc.
12 * Xianghua Xiao, (X.Xiao@motorola.com)
13 *
14 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
15 *
16 * See file CREDITS for list of people who contributed to this
17 * project.
18 *
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License as
21 * published by the Free Software Foundation; either version 2 of
22 * the License, or (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 * MA 02111-1307 USA
33 */
34
wdenkf5c5ef42005-04-05 16:26:47 +000035#include <common.h>
36#include <pci.h>
37#include <asm/processor.h>
38#include <asm/immap_85xx.h>
Wolfgang Grandeggerd9ee8432008-06-05 13:12:05 +020039#include <asm/io.h>
wdenkf5c5ef42005-04-05 16:26:47 +000040#include <ioports.h>
Stefan Roesed96f41e2005-11-30 13:06:40 +010041#include <flash.h>
Wolfgang Grandegger25991352008-06-05 13:12:06 +020042#include <libfdt.h>
43#include <fdt_support.h>
wdenkf5c5ef42005-04-05 16:26:47 +000044
Wolfgang Denkd87080b2006-03-31 18:32:53 +020045DECLARE_GLOBAL_DATA_PTR;
46
Stefan Roesed96f41e2005-11-30 13:06:40 +010047extern flash_info_t flash_info[]; /* FLASH chips info */
wdenkf5c5ef42005-04-05 16:26:47 +000048
49void local_bus_init (void);
Stefan Roesef18e8742006-03-01 17:00:49 +010050ulong flash_get_size (ulong base, int banknum);
Wolfgang Denk966083e2006-07-21 15:24:56 +020051
Wolfgang Denkbd3143f2006-07-19 14:49:35 +020052#ifdef CONFIG_PS2MULT
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +020053void ps2mult_early_init (void);
Wolfgang Denkbd3143f2006-07-19 14:49:35 +020054#endif
wdenkf5c5ef42005-04-05 16:26:47 +000055
Stefan Roesed96f41e2005-11-30 13:06:40 +010056#ifdef CONFIG_CPM2
wdenkf5c5ef42005-04-05 16:26:47 +000057/*
58 * I/O Port configuration table
59 *
60 * if conf is 1, then that port pin will be configured at boot time
61 * according to the five values podr/pdir/ppar/psor/pdat for that entry
62 */
63
64const iop_conf_t iop_conf_tab[4][32] = {
65
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +020066 /* Port A: conf, ppar, psor, pdir, podr, pdat */
67 {
68 {1, 1, 1, 0, 0, 0}, /* PA31: FCC1 MII COL */
69 {1, 1, 1, 0, 0, 0}, /* PA30: FCC1 MII CRS */
70 {1, 1, 1, 1, 0, 0}, /* PA29: FCC1 MII TX_ER */
71 {1, 1, 1, 1, 0, 0}, /* PA28: FCC1 MII TX_EN */
72 {1, 1, 1, 0, 0, 0}, /* PA27: FCC1 MII RX_DV */
73 {1, 1, 1, 0, 0, 0}, /* PA26: FCC1 MII RX_ER */
74 {0, 1, 0, 1, 0, 0}, /* PA25: FCC1 ATMTXD[0] */
75 {0, 1, 0, 1, 0, 0}, /* PA24: FCC1 ATMTXD[1] */
76 {0, 1, 0, 1, 0, 0}, /* PA23: FCC1 ATMTXD[2] */
77 {0, 1, 0, 1, 0, 0}, /* PA22: FCC1 ATMTXD[3] */
78 {1, 1, 0, 1, 0, 0}, /* PA21: FCC1 MII TxD[3] */
79 {1, 1, 0, 1, 0, 0}, /* PA20: FCC1 MII TxD[2] */
80 {1, 1, 0, 1, 0, 0}, /* PA19: FCC1 MII TxD[1] */
81 {1, 1, 0, 1, 0, 0}, /* PA18: FCC1 MII TxD[0] */
82 {1, 1, 0, 0, 0, 0}, /* PA17: FCC1 MII RxD[0] */
83 {1, 1, 0, 0, 0, 0}, /* PA16: FCC1 MII RxD[1] */
84 {1, 1, 0, 0, 0, 0}, /* PA15: FCC1 MII RxD[2] */
85 {1, 1, 0, 0, 0, 0}, /* PA14: FCC1 MII RxD[3] */
86 {0, 1, 0, 0, 0, 0}, /* PA13: FCC1 ATMRXD[3] */
87 {0, 1, 0, 0, 0, 0}, /* PA12: FCC1 ATMRXD[2] */
88 {0, 1, 0, 0, 0, 0}, /* PA11: FCC1 ATMRXD[1] */
89 {0, 1, 0, 0, 0, 0}, /* PA10: FCC1 ATMRXD[0] */
90 {0, 1, 1, 1, 0, 0}, /* PA9 : FCC1 L1TXD */
91 {0, 1, 1, 0, 0, 0}, /* PA8 : FCC1 L1RXD */
92 {0, 0, 0, 1, 0, 0}, /* PA7 : PA7 */
93 {0, 1, 1, 1, 0, 0}, /* PA6 : TDM A1 L1RSYNC */
94 {0, 0, 0, 1, 0, 0}, /* PA5 : PA5 */
95 {0, 0, 0, 1, 0, 0}, /* PA4 : PA4 */
96 {0, 0, 0, 1, 0, 0}, /* PA3 : PA3 */
97 {0, 0, 0, 1, 0, 0}, /* PA2 : PA2 */
98 {0, 0, 0, 0, 0, 0}, /* PA1 : FREERUN */
99 {0, 0, 0, 1, 0, 0} /* PA0 : PA0 */
100 },
wdenkf5c5ef42005-04-05 16:26:47 +0000101
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200102 /* Port B: conf, ppar, psor, pdir, podr, pdat */
103 {
104 {1, 1, 0, 1, 0, 0}, /* PB31: FCC2 MII TX_ER */
105 {1, 1, 0, 0, 0, 0}, /* PB30: FCC2 MII RX_DV */
106 {1, 1, 1, 1, 0, 0}, /* PB29: FCC2 MII TX_EN */
107 {1, 1, 0, 0, 0, 0}, /* PB28: FCC2 MII RX_ER */
108 {1, 1, 0, 0, 0, 0}, /* PB27: FCC2 MII COL */
109 {1, 1, 0, 0, 0, 0}, /* PB26: FCC2 MII CRS */
110 {1, 1, 0, 1, 0, 0}, /* PB25: FCC2 MII TxD[3] */
111 {1, 1, 0, 1, 0, 0}, /* PB24: FCC2 MII TxD[2] */
112 {1, 1, 0, 1, 0, 0}, /* PB23: FCC2 MII TxD[1] */
113 {1, 1, 0, 1, 0, 0}, /* PB22: FCC2 MII TxD[0] */
114 {1, 1, 0, 0, 0, 0}, /* PB21: FCC2 MII RxD[0] */
115 {1, 1, 0, 0, 0, 0}, /* PB20: FCC2 MII RxD[1] */
116 {1, 1, 0, 0, 0, 0}, /* PB19: FCC2 MII RxD[2] */
117 {1, 1, 0, 0, 0, 0}, /* PB18: FCC2 MII RxD[3] */
118 {1, 1, 0, 0, 0, 0}, /* PB17: FCC3:RX_DIV */
119 {1, 1, 0, 0, 0, 0}, /* PB16: FCC3:RX_ERR */
120 {1, 1, 0, 1, 0, 0}, /* PB15: FCC3:TX_ERR */
121 {1, 1, 0, 1, 0, 0}, /* PB14: FCC3:TX_EN */
122 {1, 1, 0, 0, 0, 0}, /* PB13: FCC3:COL */
123 {1, 1, 0, 0, 0, 0}, /* PB12: FCC3:CRS */
124 {1, 1, 0, 0, 0, 0}, /* PB11: FCC3:RXD */
125 {1, 1, 0, 0, 0, 0}, /* PB10: FCC3:RXD */
126 {1, 1, 0, 0, 0, 0}, /* PB9 : FCC3:RXD */
127 {1, 1, 0, 0, 0, 0}, /* PB8 : FCC3:RXD */
128 {1, 1, 0, 1, 0, 0}, /* PB7 : FCC3:TXD */
129 {1, 1, 0, 1, 0, 0}, /* PB6 : FCC3:TXD */
130 {1, 1, 0, 1, 0, 0}, /* PB5 : FCC3:TXD */
131 {1, 1, 0, 1, 0, 0}, /* PB4 : FCC3:TXD */
132 {0, 0, 0, 0, 0, 0}, /* PB3 : pin doesn't exist */
133 {0, 0, 0, 0, 0, 0}, /* PB2 : pin doesn't exist */
134 {0, 0, 0, 0, 0, 0}, /* PB1 : pin doesn't exist */
135 {0, 0, 0, 0, 0, 0} /* PB0 : pin doesn't exist */
136 },
wdenkf5c5ef42005-04-05 16:26:47 +0000137
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200138 /* Port C: conf, ppar, psor, pdir, podr, pdat */
139 {
140 {0, 0, 0, 1, 0, 0}, /* PC31: PC31 */
141 {0, 0, 0, 1, 0, 0}, /* PC30: PC30 */
142 {0, 1, 1, 0, 0, 0}, /* PC29: SCC1 EN *CLSN */
143 {0, 0, 0, 1, 0, 0}, /* PC28: PC28 */
144 {0, 0, 0, 1, 0, 0}, /* PC27: UART Clock in */
145 {0, 0, 0, 1, 0, 0}, /* PC26: PC26 */
146 {0, 0, 0, 1, 0, 0}, /* PC25: PC25 */
147 {0, 0, 0, 1, 0, 0}, /* PC24: PC24 */
148 {0, 1, 0, 1, 0, 0}, /* PC23: ATMTFCLK */
149 {0, 1, 0, 0, 0, 0}, /* PC22: ATMRFCLK */
150 {1, 1, 0, 0, 0, 0}, /* PC21: SCC1 EN RXCLK */
151 {1, 1, 0, 0, 0, 0}, /* PC20: SCC1 EN TXCLK */
152 {1, 1, 0, 0, 0, 0}, /* PC19: FCC2 MII RX_CLK CLK13 */
153 {1, 1, 0, 0, 0, 0}, /* PC18: FCC Tx Clock (CLK14) */
154 {1, 1, 0, 0, 0, 0}, /* PC17: PC17 */
155 {1, 1, 0, 0, 0, 0}, /* PC16: FCC Tx Clock (CLK16) */
156 {0, 1, 0, 0, 0, 0}, /* PC15: PC15 */
157 {0, 1, 0, 0, 0, 0}, /* PC14: SCC1 EN *CD */
158 {0, 1, 0, 0, 0, 0}, /* PC13: PC13 */
159 {0, 1, 0, 1, 0, 0}, /* PC12: PC12 */
160 {0, 0, 0, 1, 0, 0}, /* PC11: LXT971 transmit control */
161 {0, 0, 0, 1, 0, 0}, /* PC10: FETHMDC */
162 {0, 0, 0, 0, 0, 0}, /* PC9 : FETHMDIO */
163 {0, 0, 0, 1, 0, 0}, /* PC8 : PC8 */
164 {0, 0, 0, 1, 0, 0}, /* PC7 : PC7 */
165 {0, 0, 0, 1, 0, 0}, /* PC6 : PC6 */
166 {0, 0, 0, 1, 0, 0}, /* PC5 : PC5 */
167 {0, 0, 0, 1, 0, 0}, /* PC4 : PC4 */
168 {0, 0, 0, 1, 0, 0}, /* PC3 : PC3 */
169 {0, 0, 0, 1, 0, 1}, /* PC2 : ENET FDE */
170 {0, 0, 0, 1, 0, 0}, /* PC1 : ENET DSQE */
171 {0, 0, 0, 1, 0, 0}, /* PC0 : ENET LBK */
172 },
wdenkf5c5ef42005-04-05 16:26:47 +0000173
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200174 /* Port D: conf, ppar, psor, pdir, podr, pdat */
175 {
Wolfgang Grandegger5d5bd832008-06-05 13:12:01 +0200176#ifdef CONFIG_TQM8560
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200177 {1, 1, 0, 0, 0, 0}, /* PD31: SCC1 EN RxD */
178 {1, 1, 1, 1, 0, 0}, /* PD30: SCC1 EN TxD */
179 {1, 1, 0, 1, 0, 0}, /* PD29: SCC1 EN TENA */
Wolfgang Grandegger5d5bd832008-06-05 13:12:01 +0200180#else /* !CONFIG_TQM8560 */
181 {0, 0, 0, 0, 0, 0}, /* PD31: PD31 */
182 {0, 0, 0, 0, 0, 0}, /* PD30: PD30 */
183 {0, 0, 0, 0, 0, 0}, /* PD29: PD29 */
184#endif /* CONFIG_TQM8560 */
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200185 {1, 1, 0, 0, 0, 0}, /* PD28: PD28 */
186 {1, 1, 0, 1, 0, 0}, /* PD27: PD27 */
187 {1, 1, 0, 1, 0, 0}, /* PD26: PD26 */
188 {0, 0, 0, 1, 0, 0}, /* PD25: PD25 */
189 {0, 0, 0, 1, 0, 0}, /* PD24: PD24 */
190 {0, 0, 0, 1, 0, 0}, /* PD23: PD23 */
191 {0, 0, 0, 1, 0, 0}, /* PD22: PD22 */
192 {0, 0, 0, 1, 0, 0}, /* PD21: PD21 */
193 {0, 0, 0, 1, 0, 0}, /* PD20: PD20 */
194 {0, 0, 0, 1, 0, 0}, /* PD19: PD19 */
195 {0, 0, 0, 1, 0, 0}, /* PD18: PD18 */
196 {0, 1, 0, 0, 0, 0}, /* PD17: FCC1 ATMRXPRTY */
197 {0, 1, 0, 1, 0, 0}, /* PD16: FCC1 ATMTXPRTY */
198 {0, 1, 1, 0, 1, 0}, /* PD15: I2C SDA */
199 {0, 0, 0, 1, 0, 0}, /* PD14: LED */
200 {0, 0, 0, 0, 0, 0}, /* PD13: PD13 */
201 {0, 0, 0, 0, 0, 0}, /* PD12: PD12 */
202 {0, 0, 0, 0, 0, 0}, /* PD11: PD11 */
203 {0, 0, 0, 0, 0, 0}, /* PD10: PD10 */
204 {0, 1, 0, 1, 0, 0}, /* PD9 : SMC1 TXD */
205 {0, 1, 0, 0, 0, 0}, /* PD8 : SMC1 RXD */
206 {0, 0, 0, 1, 0, 1}, /* PD7 : PD7 */
207 {0, 0, 0, 1, 0, 1}, /* PD6 : PD6 */
208 {0, 0, 0, 1, 0, 1}, /* PD5 : PD5 */
209 {0, 0, 0, 1, 0, 1}, /* PD4 : PD4 */
210 {0, 0, 0, 0, 0, 0}, /* PD3 : pin doesn't exist */
211 {0, 0, 0, 0, 0, 0}, /* PD2 : pin doesn't exist */
212 {0, 0, 0, 0, 0, 0}, /* PD1 : pin doesn't exist */
213 {0, 0, 0, 0, 0, 0} /* PD0 : pin doesn't exist */
214 }
wdenkf5c5ef42005-04-05 16:26:47 +0000215};
Stefan Roesed96f41e2005-11-30 13:06:40 +0100216#endif /* CONFIG_CPM2 */
wdenkf5c5ef42005-04-05 16:26:47 +0000217
Stefan Roesed96f41e2005-11-30 13:06:40 +0100218#define CASL_STRING1 "casl=xx"
219#define CASL_STRING2 "casl="
wdenkf5c5ef42005-04-05 16:26:47 +0000220
Stefan Roesed96f41e2005-11-30 13:06:40 +0100221static const int casl_table[] = { 20, 25, 30 };
222#define N_CASL (sizeof(casl_table) / sizeof(casl_table[0]))
223
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200224int cas_latency (void)
wdenkf5c5ef42005-04-05 16:26:47 +0000225{
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200226 char *s = getenv ("serial#");
Stefan Roesed96f41e2005-11-30 13:06:40 +0100227 int casl;
228 int val;
229 int i;
230
231 casl = CONFIG_DDR_DEFAULT_CL;
232
233 if (s != NULL) {
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200234 if (strncmp(s + strlen (s) - strlen (CASL_STRING1),
235 CASL_STRING2, strlen (CASL_STRING2)) == 0) {
236 val = simple_strtoul (s + strlen (s) - 2, NULL, 10);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100237
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200238 for (i = 0; i < N_CASL; ++i) {
Stefan Roesed96f41e2005-11-30 13:06:40 +0100239 if (val == casl_table[i]) {
240 return val;
241 }
242 }
243 }
244 }
245
246 return casl;
wdenkf5c5ef42005-04-05 16:26:47 +0000247}
248
249int checkboard (void)
250{
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200251 char *s = getenv ("serial#");
Stefan Roesed96f41e2005-11-30 13:06:40 +0100252
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200253 printf ("Board: %s", CONFIG_BOARDNAME);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100254 if (s != NULL) {
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200255 puts (", serial# ");
256 puts (s);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100257 }
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200258 putc ('\n');
wdenkf5c5ef42005-04-05 16:26:47 +0000259
260#ifdef CONFIG_PCI
261 printf ("PCI1: 32 bit, %d MHz (compiled)\n",
262 CONFIG_SYS_CLK_FREQ / 1000000);
263#else
264 printf ("PCI1: disabled\n");
265#endif
Stefan Roesed96f41e2005-11-30 13:06:40 +0100266
wdenkf5c5ef42005-04-05 16:26:47 +0000267 /*
268 * Initialize local bus.
269 */
270 local_bus_init ();
271
272 return 0;
273}
274
Stefan Roesed96f41e2005-11-30 13:06:40 +0100275int misc_init_r (void)
wdenkf5c5ef42005-04-05 16:26:47 +0000276{
Kumar Gala04db4002007-11-29 02:10:09 -0600277 volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
wdenkf5c5ef42005-04-05 16:26:47 +0000278
Stefan Roesed96f41e2005-11-30 13:06:40 +0100279 /*
280 * Adjust flash start and offset to detected values
281 */
282 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
283 gd->bd->bi_flashoffset = 0;
Stefan Roese9d2a8732005-08-31 12:55:50 +0200284
Stefan Roesed96f41e2005-11-30 13:06:40 +0100285 /*
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200286 * Recalculate CS configuration if second FLASH bank is available
Stefan Roesed96f41e2005-11-30 13:06:40 +0100287 */
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200288 if (flash_info[0].size > 0) {
289 memctl->or1 = ((-flash_info[0].size) & 0xffff8000) |
290 (CFG_OR1_PRELIM & 0x00007fff);
291 memctl->br1 = gd->bd->bi_flashstart |
292 (CFG_BR1_PRELIM & 0x00007fff);
wdenkf5c5ef42005-04-05 16:26:47 +0000293 /*
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200294 * Re-check to get correct base address for bank 1
wdenkf5c5ef42005-04-05 16:26:47 +0000295 */
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200296 flash_get_size (gd->bd->bi_flashstart, 0);
297 } else {
298 memctl->or1 = 0;
299 memctl->br1 = 0;
wdenkf5c5ef42005-04-05 16:26:47 +0000300 }
wdenkf5c5ef42005-04-05 16:26:47 +0000301
wdenkf5c5ef42005-04-05 16:26:47 +0000302 /*
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200303 * If bank 1 is equipped, bank 0 is mapped after bank 1
wdenkf5c5ef42005-04-05 16:26:47 +0000304 */
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200305 memctl->or0 = ((-flash_info[1].size) & 0xffff8000) |
306 (CFG_OR0_PRELIM & 0x00007fff);
307 memctl->br0 = (gd->bd->bi_flashstart + flash_info[0].size) |
308 (CFG_BR0_PRELIM & 0x00007fff);
309 /*
310 * Re-check to get correct base address for bank 0
311 */
312 flash_get_size (gd->bd->bi_flashstart + flash_info[0].size, 1);
wdenkf5c5ef42005-04-05 16:26:47 +0000313
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200314 /*
315 * Re-do flash protection upon new addresses
316 */
317 flash_protect (FLAG_PROTECT_CLEAR,
318 gd->bd->bi_flashstart, 0xffffffff,
319 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100320
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200321 /* Monitor protection ON by default */
322 flash_protect (FLAG_PROTECT_SET,
323 CFG_MONITOR_BASE,
324 CFG_MONITOR_BASE + monitor_flash_len - 1,
325 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100326
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200327 /* Environment protection ON by default */
328 flash_protect (FLAG_PROTECT_SET,
329 CFG_ENV_ADDR,
330 CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
331 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100332
Wolfgang Grandegger45dee2e2008-06-05 13:12:03 +0200333#ifdef CFG_ENV_ADDR_REDUND
334 /* Redundant environment protection ON by default */
335 flash_protect (FLAG_PROTECT_SET,
336 CFG_ENV_ADDR_REDUND,
337 CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
338 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
339#endif
Stefan Roesed96f41e2005-11-30 13:06:40 +0100340
341 return 0;
wdenkf5c5ef42005-04-05 16:26:47 +0000342}
343
Wolfgang Grandeggerd9ee8432008-06-05 13:12:05 +0200344#ifdef CONFIG_CAN_DRIVER
345/*
346 * Initialize UPMC RAM
347 */
348static void upmc_write (u_char addr, uint val)
349{
350 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
351
352 out_be32 (&lbc->mdr, val);
353
354 clrsetbits_be32(&lbc->mcmr, MxMR_MAD_MSK,
355 MxMR_OP_WARR | (addr & MxMR_MAD_MSK));
356
357 /* dummy access to perform write */
358 out_8 ((void __iomem *)CFG_CAN_BASE, 0);
359
360 /* normal operation */
361 clrbits_be32(&lbc->mcmr, MxMR_OP_WARR);
362}
363#endif /* CONFIG_CAN_DRIVER */
364
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200365uint get_lbc_clock (void)
366{
367 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
368 sys_info_t sys_info;
369 ulong clkdiv = lbc->lcrr & 0x0f;
370
371 get_sys_info (&sys_info);
372
373 if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
374#ifdef CONFIG_MPC8548
375 /*
376 * Yes, the entire PQ38 family use the same
377 * bit-representation for twice the clock divider value.
378 */
379 clkdiv *= 2;
380#endif
381 return sys_info.freqSystemBus / clkdiv;
382 }
383
384 puts("Invalid clock divider value in CFG_LBC_LCRR\n");
385
386 return 0;
387}
388
wdenkf5c5ef42005-04-05 16:26:47 +0000389/*
390 * Initialize Local Bus
391 */
wdenkf5c5ef42005-04-05 16:26:47 +0000392void local_bus_init (void)
393{
Kumar Galaf59b55a2007-11-27 23:25:02 -0600394 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
Kumar Gala04db4002007-11-29 02:10:09 -0600395 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200396 uint lbc_mhz = get_lbc_clock () / 1000000;
wdenkf5c5ef42005-04-05 16:26:47 +0000397
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200398#ifdef CONFIG_MPC8548
399 uint svr = get_svr ();
400 uint lcrr;
401
402 /*
403 * MPC revision < 2.0
404 * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU1:
405 * Modify engineering use only register at address 0xE_0F20.
406 * "1. Read register at offset 0xE_0F20
407 * 2. And value with 0x0000_FFFF
408 * 3. OR result with 0x0000_0004
409 * 4. Write result back to offset 0xE_0F20."
410 *
411 * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU2:
412 * Modify engineering use only register at address 0xE_0F20.
413 * "1. Read register at offset 0xE_0F20
414 * 2. And value with 0xFFFF_FFDF
415 * 3. Write result back to offset 0xE_0F20."
416 *
417 * Since it is the same register, we do the modification in one step.
418 */
419 if (SVR_MAJ (svr) < 2) {
420 uint dummy = gur->lbiuiplldcr1;
421 dummy &= 0x0000FFDF;
422 dummy |= 0x00000004;
423 gur->lbiuiplldcr1 = dummy;
424 }
425
426 lcrr = CFG_LBC_LCRR;
427
428 /*
429 * Local Bus Clock > 83.3 MHz. According to timing
430 * specifications set LCRR[EADC] to 2 delay cycles.
431 */
432 if (lbc_mhz > 83) {
433 lcrr &= ~LCRR_EADC;
434 lcrr |= LCRR_EADC_2;
435 }
436
437 /*
438 * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30
439 * disable PLL bypass for Local Bus Clock > 83 MHz.
440 */
441 if (lbc_mhz >= 66)
442 lcrr &= (~LCRR_DBYP); /* DLL Enabled */
443
444 else
445 lcrr |= LCRR_DBYP; /* DLL Bypass */
446
447 lbc->lcrr = lcrr;
448 asm ("sync;isync;msync");
449
450 /*
451 * According to MPC8548ERMAD Rev.1.3 read back LCRR
452 * and terminate with isync
453 */
454 lcrr = lbc->lcrr;
455 asm ("isync;");
456
457 /* let DLL stabilize */
458 udelay (500);
459
460#else /* !CONFIG_MPC8548 */
wdenkf5c5ef42005-04-05 16:26:47 +0000461
462 /*
463 * Errata LBC11.
464 * Fix Local Bus clock glitch when DLL is enabled.
465 *
466 * If localbus freq is < 66Mhz, DLL bypass mode must be used.
467 * If localbus freq is > 133Mhz, DLL can be safely enabled.
468 * Between 66 and 133, the DLL is enabled with an override workaround.
469 */
470
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200471 if (lbc_mhz < 66) {
472 lbc->lcrr = CFG_LBC_LCRR | LCRR_DBYP; /* DLL Bypass */
wdenkf5c5ef42005-04-05 16:26:47 +0000473 lbc->ltedr = 0xa4c80000; /* DK: !!! */
474
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200475 } else if (lbc_mhz >= 133) {
476 lbc->lcrr = CFG_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */
wdenkf5c5ef42005-04-05 16:26:47 +0000477
478 } else {
479 /*
480 * On REV1 boards, need to change CLKDIV before enable DLL.
481 * Default CLKDIV is 8, change it to 4 temporarily.
482 */
483 uint pvr = get_pvr ();
484 uint temp_lbcdll = 0;
485
486 if (pvr == PVR_85xx_REV1) {
487 /* FIXME: Justify the high bit here. */
488 lbc->lcrr = 0x10000004;
489 }
490
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200491 lbc->lcrr = CFG_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */
wdenkf5c5ef42005-04-05 16:26:47 +0000492 udelay (200);
493
494 /*
495 * Sample LBC DLL ctrl reg, upshift it to set the
496 * override bits.
497 */
498 temp_lbcdll = gur->lbcdllcr;
499 gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
500 asm ("sync;isync;msync");
501 }
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200502#endif /* !CONFIG_MPC8548 */
Wolfgang Grandeggerd9ee8432008-06-05 13:12:05 +0200503
504#ifdef CONFIG_CAN_DRIVER
505 /*
506 * According to timing specifications EAD must be
507 * set if Local Bus Clock is > 83 MHz.
508 */
Wolfgang Grandegger1287e0c2008-06-05 13:12:07 +0200509 if (lbc_mhz > 83)
Wolfgang Grandeggerd9ee8432008-06-05 13:12:05 +0200510 out_be32 (&lbc->or2, CFG_OR2_CAN | OR_UPM_EAD);
511 else
512 out_be32 (&lbc->or2, CFG_OR2_CAN);
513 out_be32 (&lbc->br2, CFG_BR2_CAN);
514
515 /* LGPL4 is UPWAIT */
516 out_be32(&lbc->mcmr, MxMR_DSx_3_CYCL | MxMR_GPL_x4DIS | MxMR_WLFx_3X);
517
518 /* Initialize UPMC for CAN: single read */
519 upmc_write (0x00, 0xFFFFED00);
520 upmc_write (0x01, 0xCCFFCC00);
521 upmc_write (0x02, 0x00FFCF00);
522 upmc_write (0x03, 0x00FFCF00);
523 upmc_write (0x04, 0x00FFDC00);
524 upmc_write (0x05, 0x00FFCF00);
525 upmc_write (0x06, 0x00FFED00);
526 upmc_write (0x07, 0x3FFFCC07);
527
528 /* Initialize UPMC for CAN: single write */
529 upmc_write (0x18, 0xFFFFED00);
530 upmc_write (0x19, 0xCCFFEC00);
531 upmc_write (0x1A, 0x00FFED80);
532 upmc_write (0x1B, 0x00FFED80);
533 upmc_write (0x1C, 0x00FFFC00);
534 upmc_write (0x1D, 0x0FFFEC00);
535 upmc_write (0x1E, 0x0FFFEF00);
536 upmc_write (0x1F, 0x3FFFEC05);
537#endif /* CONFIG_CAN_DRIVER */
wdenkf5c5ef42005-04-05 16:26:47 +0000538}
539
wdenkf5c5ef42005-04-05 16:26:47 +0000540#if defined(CONFIG_PCI)
541/*
542 * Initialize PCI Devices, report devices found.
543 */
544
545#ifndef CONFIG_PCI_PNP
546static struct pci_config_table pci_mpc85xxads_config_table[] = {
547 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
548 PCI_IDSEL_NUMBER, PCI_ANY_ID,
549 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
550 PCI_ENET0_MEMADDR,
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200551 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
wdenkf5c5ef42005-04-05 16:26:47 +0000552 {}
553};
554#endif
555
wdenkf5c5ef42005-04-05 16:26:47 +0000556static struct pci_controller hose = {
557#ifndef CONFIG_PCI_PNP
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200558 config_table:pci_mpc85xxads_config_table,
wdenkf5c5ef42005-04-05 16:26:47 +0000559#endif
560};
561
562#endif /* CONFIG_PCI */
563
wdenkf5c5ef42005-04-05 16:26:47 +0000564void pci_init_board (void)
565{
566#ifdef CONFIG_PCI
wdenkf5c5ef42005-04-05 16:26:47 +0000567 pci_mpc85xx_init (&hose);
568#endif /* CONFIG_PCI */
569}
Wolfgang Denkbc8bb6d2006-06-16 16:40:54 +0200570
Wolfgang Grandegger25991352008-06-05 13:12:06 +0200571#if defined(CONFIG_OF_BOARD_SETUP)
572void ft_board_setup (void *blob, bd_t *bd)
573{
574 int node, tmp[2];
575 const char *path;
576
577 ft_cpu_setup (blob, bd);
578
579 node = fdt_path_offset (blob, "/aliases");
580 tmp[0] = 0;
581 if (node >= 0) {
582#ifdef CONFIG_PCI
583 path = fdt_getprop (blob, node, "pci0", NULL);
584 if (path) {
585 tmp[1] = hose.last_busno - hose.first_busno;
586 do_fixup_by_path (blob, path, "bus-range", &tmp, 8, 1);
587 }
588#endif
589 }
590}
591#endif
592
Wolfgang Denkbc8bb6d2006-06-16 16:40:54 +0200593#ifdef CONFIG_BOARD_EARLY_INIT_R
594int board_early_init_r (void)
595{
596#ifdef CONFIG_PS2MULT
Wolfgang Grandeggerb99ba162008-06-05 13:12:00 +0200597 ps2mult_early_init ();
Wolfgang Denkbc8bb6d2006-06-16 16:40:54 +0200598#endif /* CONFIG_PS2MULT */
599 return (0);
600}
601#endif /* CONFIG_BOARD_EARLY_INIT_R */