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wdenk3203c8f2004-07-10 21:45:47 +00001/*
2 * (C) Copyright 2003,Motorola Inc.
3 * Xianghua Xiao, (X.Xiao@motorola.com)
4 *
5 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
6 *
7 * (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>.
8 * Added support for Wind River SBC8560 board
9 *
10 * See file CREDITS for list of people who contributed to this
11 * project.
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 * MA 02111-1307 USA
27 */
28
29
wdenk3203c8f2004-07-10 21:45:47 +000030#include <common.h>
31#include <asm/processor.h>
Kumar Gala21110c12008-08-26 23:52:58 -050032#include <asm/mmu.h>
wdenk3203c8f2004-07-10 21:45:47 +000033#include <asm/immap_85xx.h>
Kumar Gala21110c12008-08-26 23:52:58 -050034#include <asm/fsl_ddr_sdram.h>
wdenk3203c8f2004-07-10 21:45:47 +000035#include <ioports.h>
Jon Loeligerde9737d2008-03-04 10:03:03 -060036#include <spd_sdram.h>
wdenk3203c8f2004-07-10 21:45:47 +000037#include <miiphy.h>
Paul Gortmaker3a03d1e2008-07-11 15:33:06 -040038#include <libfdt.h>
39#include <fdt_support.h>
wdenk3203c8f2004-07-10 21:45:47 +000040
41long int fixed_sdram (void);
42
43/*
44 * I/O Port configuration table
45 *
46 * if conf is 1, then that port pin will be configured at boot time
47 * according to the five values podr/pdir/ppar/psor/pdat for that entry
48 */
49
50const iop_conf_t iop_conf_tab[4][32] = {
51
52 /* Port A configuration */
53 { /* conf ppar psor pdir podr pdat */
54 /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
55 /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
56 /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
57 /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
58 /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
59 /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
60 /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
61 /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
62 /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
63 /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
64 /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
65 /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
66 /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
67 /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
68 /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
69 /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
70 /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
71 /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
72 /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
73 /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
74 /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
75 /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
76 /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
77 /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
78 /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
79 /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
80 /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
81 /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
82 /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
83 /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
84 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
85 /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
86 },
87
88 /* Port B configuration */
89 { /* conf ppar psor pdir podr pdat */
90 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
91 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
92 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
93 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
94 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
95 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
96 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
97 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
98 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
99 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
100 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
101 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
102 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
103 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
104 /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
105 /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
106 /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
107 /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
108 /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
109 /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
110 /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
111 /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
112 /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
113 /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
114 /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
115 /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
116 /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
117 /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
118 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
119 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
120 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
121 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
122 },
123
124 /* Port C */
125 { /* conf ppar psor pdir podr pdat */
126 /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
127 /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
128 /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
129 /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
130 /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
131 /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
132 /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
133 /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
134 /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
135 /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
136 /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
137 /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
138 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
139 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
140 /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
141 /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
142 /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
143 /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
144 /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
145 /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
146 /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
147 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
148 /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
149 /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
150 /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
151 /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
152 /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
153 /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
154 /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
155 /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
156 /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
157 /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
158 },
159
160 /* Port D */
161 { /* conf ppar psor pdir podr pdat */
162 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
163 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
164 /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 RTS */
165 /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RxD */
166 /* PD27 */ { 1, 1, 1, 1, 0, 0 }, /* SCC2 TxD */
167 /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 RTS */
168 /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
169 /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
170 /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
171 /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
172 /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
173 /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
174 /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
175 /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
176 /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
177 /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
178 /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
179 /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
180 /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
181 /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
182 /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
183 /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
184 /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
185 /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
186 /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
187 /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
188 /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
189 /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
190 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
191 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
192 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
193 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
194 }
195};
196
197int board_early_init_f (void)
198{
199#if defined(CONFIG_PCI)
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200200 volatile ccsr_pcix_t *pci = (void *)(CONFIG_SYS_MPC85xx_PCIX_ADDR);
wdenk3203c8f2004-07-10 21:45:47 +0000201
202 pci->peer &= 0xfffffffdf; /* disable master abort */
203#endif
204 return 0;
205}
206
207void reset_phy (void)
208{
209#if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200210 volatile unsigned char *bcsr = (unsigned char *) CONFIG_SYS_BCSR;
wdenk3203c8f2004-07-10 21:45:47 +0000211#endif
212 /* reset Giga bit Ethernet port if needed here */
213
214 /* reset the CPM FEC port */
215#if (CONFIG_ETHER_INDEX == 2)
216 bcsr[0] &= ~0x20;
217 udelay(2);
218 bcsr[0] |= 0x20;
219 udelay(1000);
220#elif (CONFIG_ETHER_INDEX == 3)
221 bcsr[0] &= ~0x10;
222 udelay(2);
223 bcsr[0] |= 0x10;
224 udelay(1000);
225#endif
226#if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200227 /* reset PHY */
228 miiphy_reset("FCC1 ETHERNET", 0x0);
229
230 /* change PHY address to 0x02 */
231 bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028);
232
233 bb_miiphy_write(NULL, 0x02, PHY_BMCR,
234 PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
wdenk3203c8f2004-07-10 21:45:47 +0000235#endif /* CONFIG_MII */
236}
237
238int checkboard (void)
239{
240 sys_info_t sysinfo;
Wolfgang Denk20591042008-10-19 02:35:49 +0200241 char buf[32];
wdenk3203c8f2004-07-10 21:45:47 +0000242
243 get_sys_info (&sysinfo);
244
wdenkadf849c2004-10-10 22:44:24 +0000245#ifdef CONFIG_SBC8560
wdenk3203c8f2004-07-10 21:45:47 +0000246 printf ("Board: Wind River SBC8560 Board\n");
wdenkadf849c2004-10-10 22:44:24 +0000247#else
248 printf ("Board: Wind River SBC8540 Board\n");
249#endif
Wolfgang Denk20591042008-10-19 02:35:49 +0200250 printf ("\tCPU: %s MHz\n", strmhz(buf, sysinfo.freqProcessor));
251 printf ("\tCCB: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus));
252 printf ("\tDDR: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus/2));
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200253 if((CONFIG_SYS_LBC_LCRR & 0x0f) == 2 || (CONFIG_SYS_LBC_LCRR & 0x0f) == 4 \
254 || (CONFIG_SYS_LBC_LCRR & 0x0f) == 8) {
Wolfgang Denk20591042008-10-19 02:35:49 +0200255 printf ("\tLBC: %s MHz\n",
256 strmhz(buf, sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & 0x0f)));
wdenk3203c8f2004-07-10 21:45:47 +0000257 } else {
258 printf("\tLBC: unknown\n");
259 }
Wolfgang Denk20591042008-10-19 02:35:49 +0200260 printf("\tCPM: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus));
wdenk3203c8f2004-07-10 21:45:47 +0000261 printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
262 return (0);
263}
264
265
Becky Brucebd99ae72008-06-09 16:03:40 -0500266phys_size_t initdram (int board_type)
wdenk3203c8f2004-07-10 21:45:47 +0000267{
268 long dram_size = 0;
Jon Loeligerde9737d2008-03-04 10:03:03 -0600269
wdenk7ac16102004-08-01 22:48:16 +0000270#if 0
wdenk3203c8f2004-07-10 21:45:47 +0000271#if !defined(CONFIG_RAM_AS_FLASH)
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200272 volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
wdenk3203c8f2004-07-10 21:45:47 +0000273 sys_info_t sysinfo;
274 uint temp_lbcdll = 0;
275#endif
wdenk7ac16102004-08-01 22:48:16 +0000276#endif /* 0 */
wdenk3203c8f2004-07-10 21:45:47 +0000277#if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200278 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
wdenk3203c8f2004-07-10 21:45:47 +0000279#endif
280#if defined(CONFIG_DDR_DLL)
281 uint temp_ddrdll = 0;
282
283 /* Work around to stabilize DDR DLL */
284 temp_ddrdll = gur->ddrdllcr;
285 gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
286 asm("sync;isync;msync");
287#endif
288
289#if defined(CONFIG_SPD_EEPROM)
Kumar Gala21110c12008-08-26 23:52:58 -0500290 dram_size = fsl_ddr_sdram();
291 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
292 dram_size *= 0x100000;
wdenk3203c8f2004-07-10 21:45:47 +0000293#else
294 dram_size = fixed_sdram ();
295#endif
296
wdenk7ac16102004-08-01 22:48:16 +0000297#if 0
wdenk3203c8f2004-07-10 21:45:47 +0000298#if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus SDRAM is not emulating flash */
299 get_sys_info(&sysinfo);
Wolfgang Denkaf0501a2008-10-19 02:35:50 +0200300 /* if localbus freq is less than 66MHz,we use bypass mode,otherwise use DLL */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200301 if(sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & 0x0f) < 66000000) {
302 lbc->lcrr = (CONFIG_SYS_LBC_LCRR & 0x0fffffff)| 0x80000000;
wdenk3203c8f2004-07-10 21:45:47 +0000303 } else {
304#if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */
305 lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */
306#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200307 lbc->lcrr = CONFIG_SYS_LBC_LCRR & 0x7fffffff;
wdenk3203c8f2004-07-10 21:45:47 +0000308 udelay(200);
309 temp_lbcdll = gur->lbcdllcr;
310 gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
311 asm("sync;isync;msync");
312 }
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200313 lbc->or2 = CONFIG_SYS_OR2_PRELIM; /* 64MB SDRAM */
314 lbc->br2 = CONFIG_SYS_BR2_PRELIM;
315 lbc->lbcr = CONFIG_SYS_LBC_LBCR;
316 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1;
wdenk3203c8f2004-07-10 21:45:47 +0000317 asm("sync");
318 (unsigned int) * (ulong *)0 = 0x000000ff;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200319 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
wdenk3203c8f2004-07-10 21:45:47 +0000320 asm("sync");
321 (unsigned int) * (ulong *)0 = 0x000000ff;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200322 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3;
wdenk3203c8f2004-07-10 21:45:47 +0000323 asm("sync");
324 (unsigned int) * (ulong *)0 = 0x000000ff;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200325 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
wdenk3203c8f2004-07-10 21:45:47 +0000326 asm("sync");
327 (unsigned int) * (ulong *)0 = 0x000000ff;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200328 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5;
wdenk3203c8f2004-07-10 21:45:47 +0000329 asm("sync");
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200330 lbc->lsrt = CONFIG_SYS_LBC_LSRT;
wdenk3203c8f2004-07-10 21:45:47 +0000331 asm("sync");
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200332 lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
wdenk3203c8f2004-07-10 21:45:47 +0000333 asm("sync");
334#endif
335#endif
336
337#if defined(CONFIG_DDR_ECC)
338 {
339 /* Initialize all of memory for ECC, then
340 * enable errors */
341 uint *p = 0;
342 uint i = 0;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200343 volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
wdenk3203c8f2004-07-10 21:45:47 +0000344 dma_init();
345 for (*p = 0; p < (uint *)(8 * 1024); p++) {
346 if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
347 *p = (unsigned int)0xdeadbeef;
348 if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
349 }
350
351 /* 8K */
352 dma_xfer((uint *)0x2000,0x2000,(uint *)0);
353 /* 16K */
354 dma_xfer((uint *)0x4000,0x4000,(uint *)0);
355 /* 32K */
356 dma_xfer((uint *)0x8000,0x8000,(uint *)0);
357 /* 64K */
358 dma_xfer((uint *)0x10000,0x10000,(uint *)0);
359 /* 128k */
360 dma_xfer((uint *)0x20000,0x20000,(uint *)0);
361 /* 256k */
362 dma_xfer((uint *)0x40000,0x40000,(uint *)0);
363 /* 512k */
364 dma_xfer((uint *)0x80000,0x80000,(uint *)0);
365 /* 1M */
366 dma_xfer((uint *)0x100000,0x100000,(uint *)0);
367 /* 2M */
368 dma_xfer((uint *)0x200000,0x200000,(uint *)0);
369 /* 4M */
370 dma_xfer((uint *)0x400000,0x400000,(uint *)0);
371
372 for (i = 1; i < dram_size / 0x800000; i++) {
373 dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0);
374 }
375
376 /* Enable errors for ECC */
377 ddr->err_disable = 0x00000000;
378 asm("sync;isync;msync");
379 }
380#endif
381
382 return dram_size;
383}
384
385
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200386#if defined(CONFIG_SYS_DRAM_TEST)
wdenk3203c8f2004-07-10 21:45:47 +0000387int testdram (void)
388{
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200389 uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
390 uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
wdenk3203c8f2004-07-10 21:45:47 +0000391 uint *p;
392
393 printf("SDRAM test phase 1:\n");
394 for (p = pstart; p < pend; p++)
395 *p = 0xaaaaaaaa;
396
397 for (p = pstart; p < pend; p++) {
398 if (*p != 0xaaaaaaaa) {
399 printf ("SDRAM test fails at: %08x\n", (uint) p);
400 return 1;
401 }
402 }
403
404 printf("SDRAM test phase 2:\n");
405 for (p = pstart; p < pend; p++)
406 *p = 0x55555555;
407
408 for (p = pstart; p < pend; p++) {
409 if (*p != 0x55555555) {
410 printf ("SDRAM test fails at: %08x\n", (uint) p);
411 return 1;
412 }
413 }
414
415 printf("SDRAM test passed.\n");
416 return 0;
417}
418#endif
419
420#if !defined(CONFIG_SPD_EEPROM)
421/*************************************************************************
422 * fixed sdram init -- doesn't use serial presence detect.
423 ************************************************************************/
424long int fixed_sdram (void)
425{
426
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200427#define CONFIG_SYS_DDR_CONTROL 0xc2000000
wdenk3203c8f2004-07-10 21:45:47 +0000428
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200429 #ifndef CONFIG_SYS_RAMBOOT
430 volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
wdenk3203c8f2004-07-10 21:45:47 +0000431
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200432#if (CONFIG_SYS_SDRAM_SIZE == 512)
Paul Gortmaker824aee22008-07-11 15:33:04 -0400433 ddr->cs0_bnds = 0x0000000f;
434#else
wdenk3203c8f2004-07-10 21:45:47 +0000435 ddr->cs0_bnds = 0x00000007;
Paul Gortmaker824aee22008-07-11 15:33:04 -0400436#endif
wdenk3203c8f2004-07-10 21:45:47 +0000437 ddr->cs1_bnds = 0x0010001f;
438 ddr->cs2_bnds = 0x00000000;
439 ddr->cs3_bnds = 0x00000000;
440 ddr->cs0_config = 0x80000102;
441 ddr->cs1_config = 0x80000102;
442 ddr->cs2_config = 0x00000000;
443 ddr->cs3_config = 0x00000000;
444 ddr->timing_cfg_1 = 0x37334321;
445 ddr->timing_cfg_2 = 0x00000800;
446 ddr->sdram_cfg = 0x42000000;
447 ddr->sdram_mode = 0x00000022;
448 ddr->sdram_interval = 0x05200100;
449 ddr->err_sbe = 0x00ff0000;
450 #if defined (CONFIG_DDR_ECC)
451 ddr->err_disable = 0x0000000D;
452 #endif
453 asm("sync;isync;msync");
454 udelay(500);
455 #if defined (CONFIG_DDR_ECC)
456 /* Enable ECC checking */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200457 ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
wdenk3203c8f2004-07-10 21:45:47 +0000458 #else
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200459 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
wdenk3203c8f2004-07-10 21:45:47 +0000460 #endif
461 asm("sync; isync; msync");
462 udelay(500);
463 #endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200464 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
wdenk3203c8f2004-07-10 21:45:47 +0000465}
466#endif /* !defined(CONFIG_SPD_EEPROM) */
Paul Gortmaker3a03d1e2008-07-11 15:33:06 -0400467
468
469#if defined(CONFIG_OF_BOARD_SETUP)
470void
471ft_board_setup(void *blob, bd_t *bd)
472{
473 int node, tmp[2];
474#ifdef CONFIG_PCI
475 const char *path;
476#endif
477
478 ft_cpu_setup(blob, bd);
479
480 node = fdt_path_offset(blob, "/aliases");
481 tmp[0] = 0;
482 if (node >= 0) {
483#ifdef CONFIG_PCI
484 path = fdt_getprop(blob, node, "pci0", NULL);
485 if (path) {
486 tmp[1] = hose.last_busno - hose.first_busno;
487 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
488 }
489#endif
490 }
491}
492#endif