blob: 8d4b8a8b5a1b48d3639e42200c2f4f85287eb219 [file] [log] [blame]
wdenk9c53f402003-10-15 23:53:47 +00001/*
wdenka445ddf2004-06-09 00:34:46 +00002 * Copyright 2004 Freescale Semiconductor.
wdenk9c53f402003-10-15 23:53:47 +00003 * (C) Copyright 2003,Motorola Inc.
4 * Xianghua Xiao, (X.Xiao@motorola.com)
5 *
6 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27
wdenk9c53f402003-10-15 23:53:47 +000028#include <common.h>
wdenk492b9e72004-08-01 23:02:45 +000029#include <pci.h>
wdenk9c53f402003-10-15 23:53:47 +000030#include <asm/processor.h>
31#include <asm/immap_85xx.h>
32#include <ioports.h>
Jon Loeligerde9737d2008-03-04 10:03:03 -060033#include <spd_sdram.h>
wdenk9c53f402003-10-15 23:53:47 +000034#include <miiphy.h>
Kumar Galaf2982fa2007-11-28 22:40:31 -060035#include <libfdt.h>
36#include <fdt_support.h>
Jon Loeliger249688a2006-10-20 15:54:34 -050037
Jon Loeliger77a4f6e2005-07-25 14:05:07 -050038#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
wdenk13eb2212004-07-09 23:27:13 +000039extern void ddr_enable_ecc(unsigned int dram_size);
40#endif
41
wdenk13eb2212004-07-09 23:27:13 +000042
wdenk492b9e72004-08-01 23:02:45 +000043void local_bus_init(void);
wdenk13eb2212004-07-09 23:27:13 +000044void sdram_init(void);
45long int fixed_sdram(void);
46
wdenk9c53f402003-10-15 23:53:47 +000047
48/*
49 * I/O Port configuration table
50 *
51 * if conf is 1, then that port pin will be configured at boot time
52 * according to the five values podr/pdir/ppar/psor/pdat for that entry
53 */
54
55const iop_conf_t iop_conf_tab[4][32] = {
56
57 /* Port A configuration */
58 { /* conf ppar psor pdir podr pdat */
59 /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
60 /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
61 /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
62 /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
63 /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
64 /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
65 /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
66 /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
67 /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
68 /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
69 /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
70 /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
71 /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
72 /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
73 /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
74 /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
75 /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
76 /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
77 /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
78 /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
79 /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
80 /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
81 /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
82 /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
83 /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
84 /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
85 /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
86 /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
87 /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
88 /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
89 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
90 /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
91 },
92
93 /* Port B configuration */
94 { /* conf ppar psor pdir podr pdat */
95 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
96 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
97 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
98 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
99 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
100 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
101 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
102 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
103 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
104 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
105 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
106 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
107 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
108 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
109 /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
110 /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
111 /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
112 /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
113 /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
114 /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
115 /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
116 /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
117 /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
118 /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
119 /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
120 /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
121 /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
122 /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
123 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
124 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
125 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
126 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
127 },
128
129 /* Port C */
130 { /* conf ppar psor pdir podr pdat */
131 /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
132 /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
133 /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
134 /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
135 /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
136 /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
137 /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
138 /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
139 /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
140 /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
141 /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
142 /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
143 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
144 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
145 /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
146 /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
147 /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
148 /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
149 /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
150 /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
151 /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
152 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
153 /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
154 /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
155 /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
156 /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
157 /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
158 /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
159 /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
160 /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
161 /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
162 /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
163 },
164
165 /* Port D */
166 { /* conf ppar psor pdir podr pdat */
167 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
168 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
169 /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
170 /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
171 /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
172 /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
173 /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
174 /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
175 /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
176 /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
177 /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
178 /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
179 /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
180 /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
181 /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
182 /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
183 /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
184 /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
185 /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
186 /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
187 /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
188 /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
189 /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
190 /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
191 /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
192 /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
193 /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
194 /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
195 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
196 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
197 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
198 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
199 }
200};
201
wdenk13eb2212004-07-09 23:27:13 +0000202
203/*
204 * MPC8560ADS Board Status & Control Registers
205 */
206typedef struct bcsr_ {
wdenk9c53f402003-10-15 23:53:47 +0000207 volatile unsigned char bcsr0;
208 volatile unsigned char bcsr1;
209 volatile unsigned char bcsr2;
210 volatile unsigned char bcsr3;
211 volatile unsigned char bcsr4;
212 volatile unsigned char bcsr5;
213} bcsr_t;
214
wdenk492b9e72004-08-01 23:02:45 +0000215
wdenkda55c6e2004-01-20 23:12:12 +0000216int board_early_init_f (void)
wdenk9c53f402003-10-15 23:53:47 +0000217{
wdenk492b9e72004-08-01 23:02:45 +0000218 return 0;
wdenk9c53f402003-10-15 23:53:47 +0000219}
220
221void reset_phy (void)
222{
223#if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
224 volatile bcsr_t *bcsr = (bcsr_t *) CFG_BCSR;
225#endif
226 /* reset Giga bit Ethernet port if needed here */
227
228 /* reset the CPM FEC port */
229#if (CONFIG_ETHER_INDEX == 2)
230 bcsr->bcsr2 &= ~FETH2_RST;
231 udelay(2);
232 bcsr->bcsr2 |= FETH2_RST;
233 udelay(1000);
234#elif (CONFIG_ETHER_INDEX == 3)
235 bcsr->bcsr3 &= ~FETH3_RST;
236 udelay(2);
237 bcsr->bcsr3 |= FETH3_RST;
238 udelay(1000);
239#endif
240#if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200241 /* reset PHY */
242 miiphy_reset("FCC1 ETHERNET", 0x0);
243
244 /* change PHY address to 0x02 */
245 bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028);
246
247 bb_miiphy_write(NULL, 0x02, PHY_BMCR,
248 PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
wdenk9c53f402003-10-15 23:53:47 +0000249#endif /* CONFIG_MII */
250}
251
wdenk492b9e72004-08-01 23:02:45 +0000252
wdenk9c53f402003-10-15 23:53:47 +0000253int checkboard (void)
254{
wdenka445ddf2004-06-09 00:34:46 +0000255 puts("Board: ADS\n");
wdenk13eb2212004-07-09 23:27:13 +0000256
257#ifdef CONFIG_PCI
258 printf(" PCI1: 32 bit, %d MHz (compiled)\n",
259 CONFIG_SYS_CLK_FREQ / 1000000);
260#else
261 printf(" PCI1: disabled\n");
262#endif
wdenk492b9e72004-08-01 23:02:45 +0000263
264 /*
265 * Initialize local bus.
266 */
267 local_bus_init();
268
wdenka445ddf2004-06-09 00:34:46 +0000269 return 0;
wdenk9c53f402003-10-15 23:53:47 +0000270}
271
272
wdenk13eb2212004-07-09 23:27:13 +0000273long int
274initdram(int board_type)
wdenk9c53f402003-10-15 23:53:47 +0000275{
276 long dram_size = 0;
wdenk13eb2212004-07-09 23:27:13 +0000277
278 puts("Initializing\n");
wdenka445ddf2004-06-09 00:34:46 +0000279
wdenk9c53f402003-10-15 23:53:47 +0000280#if defined(CONFIG_DDR_DLL)
wdenk13eb2212004-07-09 23:27:13 +0000281 {
Kumar Galaec1340d2007-11-27 23:25:02 -0600282 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
wdenk492b9e72004-08-01 23:02:45 +0000283 uint temp_ddrdll = 0;
wdenk9c53f402003-10-15 23:53:47 +0000284
wdenk492b9e72004-08-01 23:02:45 +0000285 /*
286 * Work around to stabilize DDR DLL
287 */
288 temp_ddrdll = gur->ddrdllcr;
289 gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
290 asm("sync;isync;msync");
wdenk13eb2212004-07-09 23:27:13 +0000291 }
wdenk9c53f402003-10-15 23:53:47 +0000292#endif
293
294#if defined(CONFIG_SPD_EEPROM)
295 dram_size = spd_sdram ();
296#else
297 dram_size = fixed_sdram ();
298#endif
299
Jon Loeliger77a4f6e2005-07-25 14:05:07 -0500300#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
wdenk13eb2212004-07-09 23:27:13 +0000301 /*
302 * Initialize and enable DDR ECC.
303 */
304 ddr_enable_ecc(dram_size);
305#endif
306
307 /*
308 * Initialize SDRAM.
309 */
310 sdram_init();
311
312 puts(" DDR: ");
313 return dram_size;
314}
315
316
317/*
wdenk492b9e72004-08-01 23:02:45 +0000318 * Initialize Local Bus
wdenk13eb2212004-07-09 23:27:13 +0000319 */
320
wdenk492b9e72004-08-01 23:02:45 +0000321void
322local_bus_init(void)
wdenk13eb2212004-07-09 23:27:13 +0000323{
Kumar Galaec1340d2007-11-27 23:25:02 -0600324 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
Kumar Gala0a7a0972007-11-29 02:10:09 -0600325 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
wdenk13eb2212004-07-09 23:27:13 +0000326
wdenk492b9e72004-08-01 23:02:45 +0000327 uint clkdiv;
328 uint lbc_hz;
329 sys_info_t sysinfo;
wdenk13eb2212004-07-09 23:27:13 +0000330
331 /*
wdenk492b9e72004-08-01 23:02:45 +0000332 * Errata LBC11.
333 * Fix Local Bus clock glitch when DLL is enabled.
wdenk13eb2212004-07-09 23:27:13 +0000334 *
wdenk492b9e72004-08-01 23:02:45 +0000335 * If localbus freq is < 66Mhz, DLL bypass mode must be used.
336 * If localbus freq is > 133Mhz, DLL can be safely enabled.
337 * Between 66 and 133, the DLL is enabled with an override workaround.
wdenk13eb2212004-07-09 23:27:13 +0000338 */
wdenk492b9e72004-08-01 23:02:45 +0000339
340 get_sys_info(&sysinfo);
341 clkdiv = lbc->lcrr & 0x0f;
342 lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
343
344 if (lbc_hz < 66) {
345 lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
346
347 } else if (lbc_hz >= 133) {
348 lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
wdenk13eb2212004-07-09 23:27:13 +0000349
wdenk9c53f402003-10-15 23:53:47 +0000350 } else {
wdenk13eb2212004-07-09 23:27:13 +0000351 /*
352 * On REV1 boards, need to change CLKDIV before enable DLL.
353 * Default CLKDIV is 8, change it to 4 temporarily.
354 */
wdenk492b9e72004-08-01 23:02:45 +0000355 uint pvr = get_pvr();
wdenk13eb2212004-07-09 23:27:13 +0000356 uint temp_lbcdll = 0;
wdenka445ddf2004-06-09 00:34:46 +0000357
358 if (pvr == PVR_85xx_REV1) {
wdenk492b9e72004-08-01 23:02:45 +0000359 /* FIXME: Justify the high bit here. */
wdenk13eb2212004-07-09 23:27:13 +0000360 lbc->lcrr = 0x10000004;
wdenka445ddf2004-06-09 00:34:46 +0000361 }
wdenk13eb2212004-07-09 23:27:13 +0000362
wdenk492b9e72004-08-01 23:02:45 +0000363 lbc->lcrr = CFG_LBC_LCRR & (~0x80000000);/* DLL Enabled */
364 udelay(200);
365
366 /*
367 * Sample LBC DLL ctrl reg, upshift it to set the
368 * override bits.
369 */
wdenk9c53f402003-10-15 23:53:47 +0000370 temp_lbcdll = gur->lbcdllcr;
wdenk492b9e72004-08-01 23:02:45 +0000371 gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
372 asm("sync;isync;msync");
wdenk9c53f402003-10-15 23:53:47 +0000373 }
wdenk492b9e72004-08-01 23:02:45 +0000374}
375
376
377/*
378 * Initialize SDRAM memory on the Local Bus.
379 */
380
381void
382sdram_init(void)
383{
Kumar Gala0a7a0972007-11-29 02:10:09 -0600384 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
wdenk492b9e72004-08-01 23:02:45 +0000385 uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
386
387 puts(" SDRAM: ");
388 print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
wdenk13eb2212004-07-09 23:27:13 +0000389
390 /*
391 * Setup SDRAM Base and Option Registers
392 */
393 lbc->or2 = CFG_OR2_PRELIM;
wdenk9c53f402003-10-15 23:53:47 +0000394 lbc->br2 = CFG_BR2_PRELIM;
395 lbc->lbcr = CFG_LBC_LBCR;
wdenk492b9e72004-08-01 23:02:45 +0000396 asm("msync");
wdenk13eb2212004-07-09 23:27:13 +0000397
wdenk9c53f402003-10-15 23:53:47 +0000398 lbc->lsrt = CFG_LBC_LSRT;
wdenk9c53f402003-10-15 23:53:47 +0000399 lbc->mrtpr = CFG_LBC_MRTPR;
wdenk492b9e72004-08-01 23:02:45 +0000400 asm("sync");
wdenk9c53f402003-10-15 23:53:47 +0000401
wdenk13eb2212004-07-09 23:27:13 +0000402 /*
403 * Configure the SDRAM controller.
404 */
405 lbc->lsdmr = CFG_LBC_LSDMR_1;
wdenk492b9e72004-08-01 23:02:45 +0000406 asm("sync");
wdenk13eb2212004-07-09 23:27:13 +0000407 *sdram_addr = 0xff;
wdenk492b9e72004-08-01 23:02:45 +0000408 ppcDcbf((unsigned long) sdram_addr);
409 udelay(100);
wdenk9c53f402003-10-15 23:53:47 +0000410
wdenk13eb2212004-07-09 23:27:13 +0000411 lbc->lsdmr = CFG_LBC_LSDMR_2;
wdenk492b9e72004-08-01 23:02:45 +0000412 asm("sync");
wdenk13eb2212004-07-09 23:27:13 +0000413 *sdram_addr = 0xff;
wdenk492b9e72004-08-01 23:02:45 +0000414 ppcDcbf((unsigned long) sdram_addr);
415 udelay(100);
wdenk9c53f402003-10-15 23:53:47 +0000416
wdenk13eb2212004-07-09 23:27:13 +0000417 lbc->lsdmr = CFG_LBC_LSDMR_3;
wdenk492b9e72004-08-01 23:02:45 +0000418 asm("sync");
wdenk13eb2212004-07-09 23:27:13 +0000419 *sdram_addr = 0xff;
wdenk492b9e72004-08-01 23:02:45 +0000420 ppcDcbf((unsigned long) sdram_addr);
421 udelay(100);
wdenk9c53f402003-10-15 23:53:47 +0000422
wdenk13eb2212004-07-09 23:27:13 +0000423 lbc->lsdmr = CFG_LBC_LSDMR_4;
wdenk492b9e72004-08-01 23:02:45 +0000424 asm("sync");
wdenk13eb2212004-07-09 23:27:13 +0000425 *sdram_addr = 0xff;
wdenk492b9e72004-08-01 23:02:45 +0000426 ppcDcbf((unsigned long) sdram_addr);
427 udelay(100);
wdenk9c53f402003-10-15 23:53:47 +0000428
wdenk13eb2212004-07-09 23:27:13 +0000429 lbc->lsdmr = CFG_LBC_LSDMR_5;
wdenk492b9e72004-08-01 23:02:45 +0000430 asm("sync");
wdenk13eb2212004-07-09 23:27:13 +0000431 *sdram_addr = 0xff;
wdenk492b9e72004-08-01 23:02:45 +0000432 ppcDcbf((unsigned long) sdram_addr);
433 udelay(100);
wdenk9c53f402003-10-15 23:53:47 +0000434}
435
436
437#if defined(CFG_DRAM_TEST)
438int testdram (void)
439{
440 uint *pstart = (uint *) CFG_MEMTEST_START;
441 uint *pend = (uint *) CFG_MEMTEST_END;
442 uint *p;
443
444 printf("SDRAM test phase 1:\n");
445 for (p = pstart; p < pend; p++)
446 *p = 0xaaaaaaaa;
447
448 for (p = pstart; p < pend; p++) {
449 if (*p != 0xaaaaaaaa) {
450 printf ("SDRAM test fails at: %08x\n", (uint) p);
451 return 1;
452 }
453 }
454
455 printf("SDRAM test phase 2:\n");
456 for (p = pstart; p < pend; p++)
457 *p = 0x55555555;
458
459 for (p = pstart; p < pend; p++) {
460 if (*p != 0x55555555) {
461 printf ("SDRAM test fails at: %08x\n", (uint) p);
462 return 1;
463 }
464 }
465
466 printf("SDRAM test passed.\n");
467 return 0;
468}
469#endif
470
wdenk13eb2212004-07-09 23:27:13 +0000471
wdenk9c53f402003-10-15 23:53:47 +0000472#if !defined(CONFIG_SPD_EEPROM)
473/*************************************************************************
474 * fixed sdram init -- doesn't use serial presence detect.
475 ************************************************************************/
476long int fixed_sdram (void)
477{
478 #ifndef CFG_RAMBOOT
Kumar Gala0a7a0972007-11-29 02:10:09 -0600479 volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
wdenk9c53f402003-10-15 23:53:47 +0000480
481 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
482 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
483 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
484 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
485 ddr->sdram_mode = CFG_DDR_MODE;
486 ddr->sdram_interval = CFG_DDR_INTERVAL;
487 #if defined (CONFIG_DDR_ECC)
488 ddr->err_disable = 0x0000000D;
489 ddr->err_sbe = 0x00ff0000;
490 #endif
491 asm("sync;isync;msync");
492 udelay(500);
493 #if defined (CONFIG_DDR_ECC)
494 /* Enable ECC checking */
495 ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
496 #else
497 ddr->sdram_cfg = CFG_DDR_CONTROL;
498 #endif
499 asm("sync; isync; msync");
500 udelay(500);
501 #endif
wdenk13eb2212004-07-09 23:27:13 +0000502 return CFG_SDRAM_SIZE * 1024 * 1024;
wdenk9c53f402003-10-15 23:53:47 +0000503}
504#endif /* !defined(CONFIG_SPD_EEPROM) */
wdenk492b9e72004-08-01 23:02:45 +0000505
506
507#if defined(CONFIG_PCI)
508/*
509 * Initialize PCI Devices, report devices found.
510 */
511
512#ifndef CONFIG_PCI_PNP
513static struct pci_config_table pci_mpc85xxads_config_table[] = {
514 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
515 PCI_IDSEL_NUMBER, PCI_ANY_ID,
516 pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
517 PCI_ENET0_MEMADDR,
518 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
519 } },
520 { }
521};
522#endif
523
524
525static struct pci_controller hose = {
526#ifndef CONFIG_PCI_PNP
527 config_table: pci_mpc85xxads_config_table,
528#endif
529};
530
531#endif /* CONFIG_PCI */
532
533
534void
535pci_init_board(void)
536{
537#ifdef CONFIG_PCI
wdenk492b9e72004-08-01 23:02:45 +0000538 pci_mpc85xx_init(&hose);
539#endif /* CONFIG_PCI */
540}
Matthew McClintock3d403172006-06-28 10:43:36 -0500541
Andy Fleming8ed11962007-05-08 17:27:43 -0500542
Kumar Galaf2982fa2007-11-28 22:40:31 -0600543#if defined(CONFIG_OF_BOARD_SETUP)
Andy Fleming8ed11962007-05-08 17:27:43 -0500544void
Matthew McClintock3d403172006-06-28 10:43:36 -0500545ft_board_setup(void *blob, bd_t *bd)
546{
Kumar Galaf2982fa2007-11-28 22:40:31 -0600547 int node, tmp[2];
548 const char *path;
549
Matthew McClintock3d403172006-06-28 10:43:36 -0500550 ft_cpu_setup(blob, bd);
Kumar Galaf2982fa2007-11-28 22:40:31 -0600551
552 node = fdt_path_offset(blob, "/aliases");
553 tmp[0] = 0;
554 if (node >= 0) {
555#ifdef CONFIG_PCI
556 path = fdt_getprop(blob, node, "pci0", NULL);
557 if (path) {
558 tmp[1] = hose.last_busno - hose.first_busno;
559 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
560 }
561#endif
562 }
Matthew McClintock3d403172006-06-28 10:43:36 -0500563}
564#endif