blob: 285edbce6b46b7206b0b045eb55a88b4675aff30 [file] [log] [blame]
wdenk42d1f032003-10-15 23:53:47 +00001/*
wdenk97d80fc2004-06-09 00:34:46 +00002 * Copyright 2004 Freescale Semiconductor.
wdenk42d1f032003-10-15 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
wdenk42d1f032003-10-15 23:53:47 +000028#include <common.h>
wdenk9aea9532004-08-01 23:02:45 +000029#include <pci.h>
wdenk42d1f032003-10-15 23:53:47 +000030#include <asm/processor.h>
Jon Loeliger8b625112008-03-18 11:12:44 -050031#include <asm/mmu.h>
wdenk42d1f032003-10-15 23:53:47 +000032#include <asm/immap_85xx.h>
Jon Loeliger8b625112008-03-18 11:12:44 -050033#include <asm/fsl_ddr_sdram.h>
wdenk42d1f032003-10-15 23:53:47 +000034#include <ioports.h>
Jon Loeligera30a5492008-03-04 10:03:03 -060035#include <spd_sdram.h>
wdenk42d1f032003-10-15 23:53:47 +000036#include <miiphy.h>
Kumar Gala5ce71582007-11-28 22:40:31 -060037#include <libfdt.h>
38#include <fdt_support.h>
Kumar Galab0fe93ed2009-03-26 01:34:38 -050039#include <asm/fsl_lbc.h>
Jon Loeligerf5012822006-10-20 15:54:34 -050040
Jon Loeligerd9b94f22005-07-25 14:05:07 -050041#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
wdenk0ac6f8b2004-07-09 23:27:13 +000042extern void ddr_enable_ecc(unsigned int dram_size);
43#endif
44
wdenk0ac6f8b2004-07-09 23:27:13 +000045
wdenk9aea9532004-08-01 23:02:45 +000046void local_bus_init(void);
wdenk0ac6f8b2004-07-09 23:27:13 +000047
wdenk42d1f032003-10-15 23:53:47 +000048
49/*
50 * I/O Port configuration table
51 *
52 * if conf is 1, then that port pin will be configured at boot time
53 * according to the five values podr/pdir/ppar/psor/pdat for that entry
54 */
55
56const iop_conf_t iop_conf_tab[4][32] = {
57
58 /* Port A configuration */
59 { /* conf ppar psor pdir podr pdat */
60 /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
61 /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
62 /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
63 /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
64 /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
65 /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
66 /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
67 /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
68 /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
69 /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
70 /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
71 /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
72 /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
73 /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
74 /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
75 /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
76 /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
77 /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
78 /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
79 /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
80 /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
81 /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
82 /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
83 /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
84 /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
85 /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
86 /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
87 /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
88 /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
89 /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
90 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
91 /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
92 },
93
94 /* Port B configuration */
95 { /* conf ppar psor pdir podr pdat */
96 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
97 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
98 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
99 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
100 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
101 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
102 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
103 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
104 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
105 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
106 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
107 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
108 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
109 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
110 /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
111 /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
112 /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
113 /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
114 /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
115 /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
116 /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
117 /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
118 /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
119 /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
120 /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
121 /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
122 /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
123 /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
124 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
125 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
126 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
127 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
128 },
129
130 /* Port C */
131 { /* conf ppar psor pdir podr pdat */
132 /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
133 /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
134 /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
135 /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
136 /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
137 /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
138 /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
139 /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
140 /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
141 /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
142 /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
143 /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
144 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
145 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
146 /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
147 /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
148 /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
149 /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
150 /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
151 /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
152 /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
153 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
154 /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
155 /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
156 /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
157 /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
158 /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
159 /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
160 /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
161 /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
162 /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
163 /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
164 },
165
166 /* Port D */
167 { /* conf ppar psor pdir podr pdat */
168 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
169 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
170 /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
171 /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
172 /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
173 /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
174 /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
175 /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
176 /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
177 /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
178 /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
179 /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
180 /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
181 /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
182 /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
183 /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
184 /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
185 /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
186 /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
187 /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
188 /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
189 /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
190 /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
191 /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
192 /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
193 /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
194 /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
195 /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
196 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
197 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
198 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
199 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
200 }
201};
202
wdenk0ac6f8b2004-07-09 23:27:13 +0000203
204/*
205 * MPC8560ADS Board Status & Control Registers
206 */
207typedef struct bcsr_ {
wdenk42d1f032003-10-15 23:53:47 +0000208 volatile unsigned char bcsr0;
209 volatile unsigned char bcsr1;
210 volatile unsigned char bcsr2;
211 volatile unsigned char bcsr3;
212 volatile unsigned char bcsr4;
213 volatile unsigned char bcsr5;
214} bcsr_t;
215
wdenk42d1f032003-10-15 23:53:47 +0000216void reset_phy (void)
217{
218#if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200219 volatile bcsr_t *bcsr = (bcsr_t *) CONFIG_SYS_BCSR;
wdenk42d1f032003-10-15 23:53:47 +0000220#endif
221 /* reset Giga bit Ethernet port if needed here */
222
223 /* reset the CPM FEC port */
224#if (CONFIG_ETHER_INDEX == 2)
225 bcsr->bcsr2 &= ~FETH2_RST;
226 udelay(2);
227 bcsr->bcsr2 |= FETH2_RST;
228 udelay(1000);
229#elif (CONFIG_ETHER_INDEX == 3)
230 bcsr->bcsr3 &= ~FETH3_RST;
231 udelay(2);
232 bcsr->bcsr3 |= FETH3_RST;
233 udelay(1000);
234#endif
235#if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200236 /* reset PHY */
Heiko Schocher48690d82010-07-20 17:45:02 +0200237 miiphy_reset("FCC1", 0x0);
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200238
239 /* change PHY address to 0x02 */
Mike Frysinger8ef583a2010-12-23 15:40:12 -0500240 bb_miiphy_write(NULL, 0, MII_MIPSCR, 0xf028);
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200241
Mike Frysinger8ef583a2010-12-23 15:40:12 -0500242 bb_miiphy_write(NULL, 0x02, MII_BMCR,
243 BMCR_ANENABLE | BMCR_ANRESTART);
wdenk42d1f032003-10-15 23:53:47 +0000244#endif /* CONFIG_MII */
245}
246
wdenk9aea9532004-08-01 23:02:45 +0000247
wdenk42d1f032003-10-15 23:53:47 +0000248int checkboard (void)
249{
wdenk97d80fc2004-06-09 00:34:46 +0000250 puts("Board: ADS\n");
wdenk0ac6f8b2004-07-09 23:27:13 +0000251
252#ifdef CONFIG_PCI
Peter Tyser8ca78f22010-10-29 17:59:24 -0500253 printf("PCI1: 32 bit, %d MHz (compiled)\n",
wdenk0ac6f8b2004-07-09 23:27:13 +0000254 CONFIG_SYS_CLK_FREQ / 1000000);
255#else
Peter Tyser8ca78f22010-10-29 17:59:24 -0500256 printf("PCI1: disabled\n");
wdenk0ac6f8b2004-07-09 23:27:13 +0000257#endif
wdenk9aea9532004-08-01 23:02:45 +0000258
259 /*
260 * Initialize local bus.
261 */
262 local_bus_init();
263
wdenk97d80fc2004-06-09 00:34:46 +0000264 return 0;
wdenk42d1f032003-10-15 23:53:47 +0000265}
266
wdenk0ac6f8b2004-07-09 23:27:13 +0000267/*
wdenk9aea9532004-08-01 23:02:45 +0000268 * Initialize Local Bus
wdenk0ac6f8b2004-07-09 23:27:13 +0000269 */
270
wdenk9aea9532004-08-01 23:02:45 +0000271void
272local_bus_init(void)
wdenk0ac6f8b2004-07-09 23:27:13 +0000273{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200274 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
Becky Brucef51cdaf2010-06-17 11:37:20 -0500275 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
wdenk0ac6f8b2004-07-09 23:27:13 +0000276
wdenk9aea9532004-08-01 23:02:45 +0000277 uint clkdiv;
278 uint lbc_hz;
279 sys_info_t sysinfo;
wdenk0ac6f8b2004-07-09 23:27:13 +0000280
281 /*
wdenk9aea9532004-08-01 23:02:45 +0000282 * Errata LBC11.
283 * Fix Local Bus clock glitch when DLL is enabled.
wdenk0ac6f8b2004-07-09 23:27:13 +0000284 *
Wolfgang Denk8ed44d92008-10-19 02:35:50 +0200285 * If localbus freq is < 66MHz, DLL bypass mode must be used.
286 * If localbus freq is > 133MHz, DLL can be safely enabled.
wdenk9aea9532004-08-01 23:02:45 +0000287 * Between 66 and 133, the DLL is enabled with an override workaround.
wdenk0ac6f8b2004-07-09 23:27:13 +0000288 */
wdenk9aea9532004-08-01 23:02:45 +0000289
290 get_sys_info(&sysinfo);
Trent Piephoa5d212a2008-12-03 15:16:34 -0800291 clkdiv = lbc->lcrr & LCRR_CLKDIV;
wdenk9aea9532004-08-01 23:02:45 +0000292 lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
293
294 if (lbc_hz < 66) {
Paul Gortmakera2af6a72012-08-13 13:48:57 +0000295 lbc->lcrr = CONFIG_SYS_LBC_LCRR | LCRR_DBYP; /* DLL Bypass */
wdenk9aea9532004-08-01 23:02:45 +0000296
297 } else if (lbc_hz >= 133) {
Paul Gortmakera2af6a72012-08-13 13:48:57 +0000298 lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */
wdenk0ac6f8b2004-07-09 23:27:13 +0000299
wdenk42d1f032003-10-15 23:53:47 +0000300 } else {
wdenk0ac6f8b2004-07-09 23:27:13 +0000301 /*
302 * On REV1 boards, need to change CLKDIV before enable DLL.
303 * Default CLKDIV is 8, change it to 4 temporarily.
304 */
wdenk9aea9532004-08-01 23:02:45 +0000305 uint pvr = get_pvr();
wdenk0ac6f8b2004-07-09 23:27:13 +0000306 uint temp_lbcdll = 0;
wdenk97d80fc2004-06-09 00:34:46 +0000307
308 if (pvr == PVR_85xx_REV1) {
wdenk9aea9532004-08-01 23:02:45 +0000309 /* FIXME: Justify the high bit here. */
wdenk0ac6f8b2004-07-09 23:27:13 +0000310 lbc->lcrr = 0x10000004;
wdenk97d80fc2004-06-09 00:34:46 +0000311 }
wdenk0ac6f8b2004-07-09 23:27:13 +0000312
Paul Gortmakera2af6a72012-08-13 13:48:57 +0000313 lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP);/* DLL Enabled */
wdenk9aea9532004-08-01 23:02:45 +0000314 udelay(200);
315
316 /*
317 * Sample LBC DLL ctrl reg, upshift it to set the
318 * override bits.
319 */
wdenk42d1f032003-10-15 23:53:47 +0000320 temp_lbcdll = gur->lbcdllcr;
wdenk9aea9532004-08-01 23:02:45 +0000321 gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
322 asm("sync;isync;msync");
wdenk42d1f032003-10-15 23:53:47 +0000323 }
wdenk9aea9532004-08-01 23:02:45 +0000324}
325
326
327/*
328 * Initialize SDRAM memory on the Local Bus.
329 */
Becky Bruce70961ba2010-12-17 17:17:57 -0600330void lbc_sdram_init(void)
wdenk9aea9532004-08-01 23:02:45 +0000331{
Becky Brucef51cdaf2010-06-17 11:37:20 -0500332 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200333 uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
wdenk9aea9532004-08-01 23:02:45 +0000334
Becky Bruce7ea38712010-12-17 17:17:59 -0600335 puts("LBC SDRAM: ");
336 print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024,
337 "\n ");
wdenk0ac6f8b2004-07-09 23:27:13 +0000338
339 /*
340 * Setup SDRAM Base and Option Registers
341 */
Becky Brucef51cdaf2010-06-17 11:37:20 -0500342 set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
343 set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200344 lbc->lbcr = CONFIG_SYS_LBC_LBCR;
wdenk9aea9532004-08-01 23:02:45 +0000345 asm("msync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000346
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200347 lbc->lsrt = CONFIG_SYS_LBC_LSRT;
348 lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
wdenk9aea9532004-08-01 23:02:45 +0000349 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000350
351 /*
352 * Configure the SDRAM controller.
353 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200354 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1;
wdenk9aea9532004-08-01 23:02:45 +0000355 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000356 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000357 ppcDcbf((unsigned long) sdram_addr);
358 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000359
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200360 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
wdenk9aea9532004-08-01 23:02:45 +0000361 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000362 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000363 ppcDcbf((unsigned long) sdram_addr);
364 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000365
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200366 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3;
wdenk9aea9532004-08-01 23:02:45 +0000367 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000368 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000369 ppcDcbf((unsigned long) sdram_addr);
370 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000371
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200372 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
wdenk9aea9532004-08-01 23:02:45 +0000373 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000374 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000375 ppcDcbf((unsigned long) sdram_addr);
376 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000377
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200378 lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5;
wdenk9aea9532004-08-01 23:02:45 +0000379 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000380 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000381 ppcDcbf((unsigned long) sdram_addr);
382 udelay(100);
wdenk42d1f032003-10-15 23:53:47 +0000383}
384
wdenk42d1f032003-10-15 23:53:47 +0000385#if !defined(CONFIG_SPD_EEPROM)
386/*************************************************************************
387 * fixed sdram init -- doesn't use serial presence detect.
388 ************************************************************************/
Becky Bruce38dba0c2010-12-17 17:17:56 -0600389phys_size_t fixed_sdram(void)
wdenk42d1f032003-10-15 23:53:47 +0000390{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200391 #ifndef CONFIG_SYS_RAMBOOT
392 volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
wdenk42d1f032003-10-15 23:53:47 +0000393
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200394 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
395 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
396 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
397 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
398 ddr->sdram_mode = CONFIG_SYS_DDR_MODE;
399 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
wdenk42d1f032003-10-15 23:53:47 +0000400 #if defined (CONFIG_DDR_ECC)
401 ddr->err_disable = 0x0000000D;
402 ddr->err_sbe = 0x00ff0000;
403 #endif
404 asm("sync;isync;msync");
405 udelay(500);
406 #if defined (CONFIG_DDR_ECC)
407 /* Enable ECC checking */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200408 ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
wdenk42d1f032003-10-15 23:53:47 +0000409 #else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200410 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
wdenk42d1f032003-10-15 23:53:47 +0000411 #endif
412 asm("sync; isync; msync");
413 udelay(500);
414 #endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200415 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
wdenk42d1f032003-10-15 23:53:47 +0000416}
417#endif /* !defined(CONFIG_SPD_EEPROM) */
wdenk9aea9532004-08-01 23:02:45 +0000418
419
420#if defined(CONFIG_PCI)
421/*
422 * Initialize PCI Devices, report devices found.
423 */
424
425#ifndef CONFIG_PCI_PNP
426static struct pci_config_table pci_mpc85xxads_config_table[] = {
427 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
428 PCI_IDSEL_NUMBER, PCI_ANY_ID,
429 pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
430 PCI_ENET0_MEMADDR,
431 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
432 } },
433 { }
434};
435#endif
436
437
438static struct pci_controller hose = {
439#ifndef CONFIG_PCI_PNP
440 config_table: pci_mpc85xxads_config_table,
441#endif
442};
443
444#endif /* CONFIG_PCI */
445
446
447void
448pci_init_board(void)
449{
450#ifdef CONFIG_PCI
wdenk9aea9532004-08-01 23:02:45 +0000451 pci_mpc85xx_init(&hose);
452#endif /* CONFIG_PCI */
453}
Matthew McClintock0e163872006-06-28 10:43:36 -0500454
455
Kumar Gala5ce71582007-11-28 22:40:31 -0600456#if defined(CONFIG_OF_BOARD_SETUP)
Andy Flemingccc091a2007-05-08 17:27:43 -0500457void
Matthew McClintock0e163872006-06-28 10:43:36 -0500458ft_board_setup(void *blob, bd_t *bd)
459{
Kumar Gala5ce71582007-11-28 22:40:31 -0600460 int node, tmp[2];
461 const char *path;
462
Matthew McClintock0e163872006-06-28 10:43:36 -0500463 ft_cpu_setup(blob, bd);
Kumar Gala5ce71582007-11-28 22:40:31 -0600464
465 node = fdt_path_offset(blob, "/aliases");
466 tmp[0] = 0;
467 if (node >= 0) {
468#ifdef CONFIG_PCI
469 path = fdt_getprop(blob, node, "pci0", NULL);
470 if (path) {
471 tmp[1] = hose.last_busno - hose.first_busno;
472 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
473 }
474#endif
475 }
Matthew McClintock0e163872006-06-28 10:43:36 -0500476}
477#endif