2 * (C) Copyright 2003,Motorola Inc.
3 * Xianghua Xiao, (X.Xiao@motorola.com)
5 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
7 * (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>.
8 * Added support for Wind River SBC8560 board
10 * See file CREDITS for list of people who contributed to this
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.
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.
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,
31 #include <asm/processor.h>
32 #include <asm/immap_85xx.h>
34 #include <spd_sdram.h>
37 long int fixed_sdram (void);
40 * I/O Port configuration table
42 * if conf is 1, then that port pin will be configured at boot time
43 * according to the five values podr/pdir/ppar/psor/pdat for that entry
46 const iop_conf_t iop_conf_tab[4][32] = {
48 /* Port A configuration */
49 { /* conf ppar psor pdir podr pdat */
50 /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
51 /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
52 /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
53 /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
54 /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
55 /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
56 /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
57 /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
58 /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
59 /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
60 /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
61 /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
62 /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
63 /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
64 /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
65 /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
66 /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
67 /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
68 /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
69 /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
70 /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
71 /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
72 /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
73 /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
74 /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
75 /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
76 /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
77 /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
78 /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
79 /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
80 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
81 /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
84 /* Port B configuration */
85 { /* conf ppar psor pdir podr pdat */
86 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
87 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
88 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
89 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
90 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
91 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
92 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
93 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
94 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
95 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
96 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
97 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
98 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
99 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
100 /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
101 /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
102 /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
103 /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
104 /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
105 /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
106 /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
107 /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
108 /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
109 /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
110 /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
111 /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
112 /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
113 /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
114 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
115 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
116 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
117 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
121 { /* conf ppar psor pdir podr pdat */
122 /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
123 /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
124 /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
125 /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
126 /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
127 /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
128 /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
129 /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
130 /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
131 /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
132 /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
133 /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
134 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
135 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
136 /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
137 /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
138 /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
139 /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
140 /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
141 /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
142 /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
143 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
144 /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
145 /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
146 /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
147 /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
148 /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
149 /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
150 /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
151 /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
152 /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
153 /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
157 { /* conf ppar psor pdir podr pdat */
158 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
159 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
160 /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 RTS */
161 /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RxD */
162 /* PD27 */ { 1, 1, 1, 1, 0, 0 }, /* SCC2 TxD */
163 /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 RTS */
164 /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
165 /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
166 /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
167 /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
168 /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
169 /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
170 /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
171 /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
172 /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
173 /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
174 /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
175 /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
176 /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
177 /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
178 /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
179 /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
180 /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
181 /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
182 /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
183 /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
184 /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
185 /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
186 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
187 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
188 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
189 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
193 int board_early_init_f (void)
195 #if defined(CONFIG_PCI)
196 volatile ccsr_pcix_t *pci = (void *)(CFG_MPC85xx_PCIX_ADDR);
198 pci->peer &= 0xfffffffdf; /* disable master abort */
203 void reset_phy (void)
205 #if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
206 volatile unsigned char *bcsr = (unsigned char *) CFG_BCSR;
208 /* reset Giga bit Ethernet port if needed here */
210 /* reset the CPM FEC port */
211 #if (CONFIG_ETHER_INDEX == 2)
216 #elif (CONFIG_ETHER_INDEX == 3)
222 #if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
224 miiphy_reset("FCC1 ETHERNET", 0x0);
226 /* change PHY address to 0x02 */
227 bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028);
229 bb_miiphy_write(NULL, 0x02, PHY_BMCR,
230 PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
231 #endif /* CONFIG_MII */
234 int checkboard (void)
238 get_sys_info (&sysinfo);
240 #ifdef CONFIG_SBC8560
241 printf ("Board: Wind River SBC8560 Board\n");
243 printf ("Board: Wind River SBC8540 Board\n");
245 printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
246 printf ("\tCCB: %lu MHz\n", sysinfo.freqSystemBus / 1000000);
247 printf ("\tDDR: %lu MHz\n", sysinfo.freqSystemBus / 2000000);
248 if((CFG_LBC_LCRR & 0x0f) == 2 || (CFG_LBC_LCRR & 0x0f) == 4 \
249 || (CFG_LBC_LCRR & 0x0f) == 8) {
250 printf ("\tLBC: %lu MHz\n", sysinfo.freqSystemBus / 1000000 /(CFG_LBC_LCRR & 0x0f));
252 printf("\tLBC: unknown\n");
254 printf("\tCPM: %lu Mhz\n", sysinfo.freqSystemBus / 1000000);
255 printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
260 long int initdram (int board_type)
265 #if !defined(CONFIG_RAM_AS_FLASH)
266 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
268 uint temp_lbcdll = 0;
271 #if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
272 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
274 #if defined(CONFIG_DDR_DLL)
275 uint temp_ddrdll = 0;
277 /* Work around to stabilize DDR DLL */
278 temp_ddrdll = gur->ddrdllcr;
279 gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
280 asm("sync;isync;msync");
283 #if defined(CONFIG_SPD_EEPROM)
284 dram_size = spd_sdram ();
286 dram_size = fixed_sdram ();
290 #if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus SDRAM is not emulating flash */
291 get_sys_info(&sysinfo);
292 /* if localbus freq is less than 66Mhz,we use bypass mode,otherwise use DLL */
293 if(sysinfo.freqSystemBus/(CFG_LBC_LCRR & 0x0f) < 66000000) {
294 lbc->lcrr = (CFG_LBC_LCRR & 0x0fffffff)| 0x80000000;
296 #if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */
297 lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */
299 lbc->lcrr = CFG_LBC_LCRR & 0x7fffffff;
301 temp_lbcdll = gur->lbcdllcr;
302 gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
303 asm("sync;isync;msync");
305 lbc->or2 = CFG_OR2_PRELIM; /* 64MB SDRAM */
306 lbc->br2 = CFG_BR2_PRELIM;
307 lbc->lbcr = CFG_LBC_LBCR;
308 lbc->lsdmr = CFG_LBC_LSDMR_1;
310 (unsigned int) * (ulong *)0 = 0x000000ff;
311 lbc->lsdmr = CFG_LBC_LSDMR_2;
313 (unsigned int) * (ulong *)0 = 0x000000ff;
314 lbc->lsdmr = CFG_LBC_LSDMR_3;
316 (unsigned int) * (ulong *)0 = 0x000000ff;
317 lbc->lsdmr = CFG_LBC_LSDMR_4;
319 (unsigned int) * (ulong *)0 = 0x000000ff;
320 lbc->lsdmr = CFG_LBC_LSDMR_5;
322 lbc->lsrt = CFG_LBC_LSRT;
324 lbc->mrtpr = CFG_LBC_MRTPR;
329 #if defined(CONFIG_DDR_ECC)
331 /* Initialize all of memory for ECC, then
335 volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
337 for (*p = 0; p < (uint *)(8 * 1024); p++) {
338 if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
339 *p = (unsigned int)0xdeadbeef;
340 if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
344 dma_xfer((uint *)0x2000,0x2000,(uint *)0);
346 dma_xfer((uint *)0x4000,0x4000,(uint *)0);
348 dma_xfer((uint *)0x8000,0x8000,(uint *)0);
350 dma_xfer((uint *)0x10000,0x10000,(uint *)0);
352 dma_xfer((uint *)0x20000,0x20000,(uint *)0);
354 dma_xfer((uint *)0x40000,0x40000,(uint *)0);
356 dma_xfer((uint *)0x80000,0x80000,(uint *)0);
358 dma_xfer((uint *)0x100000,0x100000,(uint *)0);
360 dma_xfer((uint *)0x200000,0x200000,(uint *)0);
362 dma_xfer((uint *)0x400000,0x400000,(uint *)0);
364 for (i = 1; i < dram_size / 0x800000; i++) {
365 dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0);
368 /* Enable errors for ECC */
369 ddr->err_disable = 0x00000000;
370 asm("sync;isync;msync");
378 #if defined(CFG_DRAM_TEST)
381 uint *pstart = (uint *) CFG_MEMTEST_START;
382 uint *pend = (uint *) CFG_MEMTEST_END;
385 printf("SDRAM test phase 1:\n");
386 for (p = pstart; p < pend; p++)
389 for (p = pstart; p < pend; p++) {
390 if (*p != 0xaaaaaaaa) {
391 printf ("SDRAM test fails at: %08x\n", (uint) p);
396 printf("SDRAM test phase 2:\n");
397 for (p = pstart; p < pend; p++)
400 for (p = pstart; p < pend; p++) {
401 if (*p != 0x55555555) {
402 printf ("SDRAM test fails at: %08x\n", (uint) p);
407 printf("SDRAM test passed.\n");
412 #if !defined(CONFIG_SPD_EEPROM)
413 /*************************************************************************
414 * fixed sdram init -- doesn't use serial presence detect.
415 ************************************************************************/
416 long int fixed_sdram (void)
419 #define CFG_DDR_CONTROL 0xc2000000
422 volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
424 ddr->cs0_bnds = 0x00000007;
425 ddr->cs1_bnds = 0x0010001f;
426 ddr->cs2_bnds = 0x00000000;
427 ddr->cs3_bnds = 0x00000000;
428 ddr->cs0_config = 0x80000102;
429 ddr->cs1_config = 0x80000102;
430 ddr->cs2_config = 0x00000000;
431 ddr->cs3_config = 0x00000000;
432 ddr->timing_cfg_1 = 0x37334321;
433 ddr->timing_cfg_2 = 0x00000800;
434 ddr->sdram_cfg = 0x42000000;
435 ddr->sdram_mode = 0x00000022;
436 ddr->sdram_interval = 0x05200100;
437 ddr->err_sbe = 0x00ff0000;
438 #if defined (CONFIG_DDR_ECC)
439 ddr->err_disable = 0x0000000D;
441 asm("sync;isync;msync");
443 #if defined (CONFIG_DDR_ECC)
444 /* Enable ECC checking */
445 ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
447 ddr->sdram_cfg = CFG_DDR_CONTROL;
449 asm("sync; isync; msync");
452 return CFG_SDRAM_SIZE * 1024 * 1024;
454 #endif /* !defined(CONFIG_SPD_EEPROM) */