blob: 01f90d2ebbe98c376301fed0e8da551692009dbd [file] [log] [blame]
wdenk6d3c6d12005-04-03 22:35:21 +00001/*
2 * (C) Copyright 2001-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenk6d3c6d12005-04-03 22:35:21 +00006 */
7
8#include <common.h>
9#include <ioports.h>
10#include <mpc8260.h>
11#include "cpu87.h"
12#include <pci.h>
Ben Warren052a5ea2008-08-31 20:37:00 -070013#include <netdev.h>
wdenk6d3c6d12005-04-03 22:35:21 +000014
15/*
16 * I/O Port configuration table
17 *
18 * if conf is 1, then that port pin will be configured at boot time
19 * according to the five values podr/pdir/ppar/psor/pdat for that entry
20 */
21
22const iop_conf_t iop_conf_tab[4][32] = {
23
24 /* Port A configuration */
25 { /* conf ppar psor pdir podr pdat */
26 /* PA31 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */
27 /* PA30 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */
28 /* PA29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */
29 /* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */
30 /* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */
31 /* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */
32 /* PA25 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII MDIO */
33 /* PA24 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII MDC */
34 /* PA23 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII MDIO */
35 /* PA22 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII MDC */
36 /* PA21 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */
37 /* PA20 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */
38 /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */
39 /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */
40 /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */
41 /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */
42 /* PA15 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */
43 /* PA14 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */
44 /* PA13 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII TXSL1 */
45 /* PA12 */ { 1, 0, 0, 1, 0, 1 }, /* FCC2 MII TXSL0 */
46 /* PA11 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII TXSL1 */
47 /* PA10 */ { 1, 0, 0, 1, 0, 1 }, /* FCC1 MII TXSL0 */
48 /* PA9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC2 TXD */
49 /* PA8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC2 RXD */
50 /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */
51 /* PA6 */ { 1, 0, 0, 1, 0, 1 }, /* FCC2 MII PAUSE */
52 /* PA5 */ { 1, 0, 0, 1, 0, 1 }, /* FCC1 MII PAUSE */
53 /* PA4 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII PWRDN */
54 /* PA3 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII PWRDN */
55 /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */
56 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FCC2 MII MDINT */
57 /* PA0 */ { 1, 0, 0, 1, 0, 0 } /* FCC1 MII MDINT */
58 },
59
60 /* Port B configuration */
61 { /* conf ppar psor pdir podr pdat */
62 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
63 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
64 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
65 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
66 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
67 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
68 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
69 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
70 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
71 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
72 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
73 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
74 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
75 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
76 /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* PB17 */
77 /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* PB16 */
78 /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* PB15 */
79 /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* PB14 */
80 /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* PB13 */
81 /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* PB12 */
82 /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* PB11 */
83 /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* PB10 */
84 /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* PB9 */
85 /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* PB8 */
86 /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */
87 /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* PB6 */
88 /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* PB5 */
89 /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* PB4 */
90 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* PB3 */
91 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* PB2 */
92 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* PB1 */
93 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* PB0 */
94 },
95
96 /* Port C */
97 { /* conf ppar psor pdir podr pdat */
98 /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */
99 /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */
100 /* PC29 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 CTS */
101 /* PC28 */ { 1, 0, 0, 0, 0, 0 }, /* SCC2 CTS */
102 /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */
103 /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */
104 /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */
105 /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */
106 /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* FDC37C78 DACFD */
107 /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* FDC37C78 DNFD */
108 /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RX_CLK */
109 /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII TX_CLK */
110 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */
111 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */
112 /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */
113 /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */
114 /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */
115 /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */
116 /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */
117 /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */
118 /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */
119 /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */
120 /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* FC9 */
121 /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */
122 /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */
123 /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */
124 /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */
125 /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */
126 /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */
127 /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */
128 /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */
129 /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* FDC37C78 DRQFD */
130 },
131
132 /* Port D */
133 { /* conf ppar psor pdir podr pdat */
134 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RXD */
135 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 TXD */
136 /* PD29 */ { 1, 0, 0, 1, 0, 0 }, /* SCC1 RTS */
137 /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RXD */
138 /* PD27 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 TXD */
139 /* PD26 */ { 1, 0, 0, 1, 0, 0 }, /* SCC2 RTS */
140 /* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */
141 /* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */
142 /* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */
143 /* PD22 */ { 0, 0, 0, 0, 0, 0 }, /* PD22 */
144 /* PD21 */ { 0, 0, 0, 0, 0, 0 }, /* PD21 */
145 /* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD20 */
146 /* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */
147 /* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */
148 /* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */
149 /* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */
Heiko Schocher479a4cf2013-01-29 08:53:15 +0100150#if defined(CONFIG_SYS_I2C_SOFT)
wdenk6d3c6d12005-04-03 22:35:21 +0000151 /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */
152 /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */
153#else
154#if defined(CONFIG_HARD_I2C)
155 /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
156 /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
157#else /* normal I/O port pins */
158 /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
159 /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
160#endif
161#endif
162 /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
163 /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
164 /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
165 /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
166 /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
167 /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
168 /* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */
169 /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */
170 /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */
171 /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */
172 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* PD3 */
173 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* PD2 */
174 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* PD1 */
175 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* PD0 */
176 }
177};
178
179/* ------------------------------------------------------------------------- */
180
181/* Check Board Identity:
182 */
183int checkboard (void)
184{
Wolfgang Denkf4a2d232006-07-22 21:45:49 +0200185 printf ("Board: CPU87 (Rev %02x)\n", CPU86_REV & 0x7f);
wdenk6d3c6d12005-04-03 22:35:21 +0000186 return 0;
187}
188
189/* ------------------------------------------------------------------------- */
190
191/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
192 *
193 * This routine performs standard 8260 initialization sequence
194 * and calculates the available memory size. It may be called
195 * several times to try different SDRAM configurations on both
196 * 60x and local buses.
197 */
198static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
199 ulong orx, volatile uchar * base)
200{
201 volatile uchar c = 0xff;
202 volatile uint *sdmr_ptr;
203 volatile uint *orx_ptr;
204 ulong maxsize, size;
205 int i;
206
207 /* We must be able to test a location outsize the maximum legal size
208 * to find out THAT we are outside; but this address still has to be
209 * mapped by the controller. That means, that the initial mapping has
210 * to be (at least) twice as large as the maximum expected size.
211 */
212 maxsize = (1 + (~orx | 0x7fff)) / 2;
213
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200214 /* Since CONFIG_SYS_SDRAM_BASE is always 0 (??), we assume that
wdenk6d3c6d12005-04-03 22:35:21 +0000215 * we are configuring CS1 if base != 0
216 */
217 sdmr_ptr = &memctl->memc_psdmr;
218 orx_ptr = &memctl->memc_or2;
219
220 *orx_ptr = orx;
221
222 /*
223 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
224 *
225 * "At system reset, initialization software must set up the
226 * programmable parameters in the memory controller banks registers
227 * (ORx, BRx, P/LSDMR). After all memory parameters are configured,
228 * system software should execute the following initialization sequence
229 * for each SDRAM device.
230 *
231 * 1. Issue a PRECHARGE-ALL-BANKS command
232 * 2. Issue eight CBR REFRESH commands
233 * 3. Issue a MODE-SET command to initialize the mode register
234 *
235 * The initial commands are executed by setting P/LSDMR[OP] and
236 * accessing the SDRAM with a single-byte transaction."
237 *
238 * The appropriate BRx/ORx registers have already been set when we
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200239 * get here. The SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE.
wdenk6d3c6d12005-04-03 22:35:21 +0000240 */
241
242 *sdmr_ptr = sdmr | PSDMR_OP_PREA;
243 *base = c;
244
245 *sdmr_ptr = sdmr | PSDMR_OP_CBRR;
246 for (i = 0; i < 8; i++)
247 *base = c;
248
249 *sdmr_ptr = sdmr | PSDMR_OP_MRW;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200250 *(base + CONFIG_SYS_MRS_OFFS) = c; /* setting MR on address lines */
wdenk6d3c6d12005-04-03 22:35:21 +0000251
252 *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
253 *base = c;
254
255 size = get_ram_size((long *)base, maxsize);
256
257 *orx_ptr = orx | ~(size - 1);
258
259 return (size);
260}
261
Becky Brucebd99ae72008-06-09 16:03:40 -0500262phys_size_t initdram (int board_type)
wdenk6d3c6d12005-04-03 22:35:21 +0000263{
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200264 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
wdenk6d3c6d12005-04-03 22:35:21 +0000265 volatile memctl8260_t *memctl = &immap->im_memctl;
266
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200267#ifndef CONFIG_SYS_RAMBOOT
Wolfgang Denkf4a2d232006-07-22 21:45:49 +0200268 ulong size8, size9, size10;
wdenk6d3c6d12005-04-03 22:35:21 +0000269#endif
270 long psize;
271
272 psize = 32 * 1024 * 1024;
273
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200274 memctl->memc_mptpr = CONFIG_SYS_MPTPR;
275 memctl->memc_psrt = CONFIG_SYS_PSRT;
wdenk6d3c6d12005-04-03 22:35:21 +0000276
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200277#ifndef CONFIG_SYS_RAMBOOT
wdenk6d3c6d12005-04-03 22:35:21 +0000278 /* 60x SDRAM setup:
279 */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200280 size8 = try_init (memctl, CONFIG_SYS_PSDMR_8COL, CONFIG_SYS_OR2_8COL,
281 (uchar *) CONFIG_SYS_SDRAM_BASE);
Wolfgang Denkdd314d12006-08-27 18:10:01 +0200282
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200283 size9 = try_init (memctl, CONFIG_SYS_PSDMR_9COL, CONFIG_SYS_OR2_9COL,
284 (uchar *) CONFIG_SYS_SDRAM_BASE);
Wolfgang Denkdd314d12006-08-27 18:10:01 +0200285
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200286 size10 = try_init (memctl, CONFIG_SYS_PSDMR_10COL, CONFIG_SYS_OR2_10COL,
287 (uchar *) CONFIG_SYS_SDRAM_BASE);
Wolfgang Denkdd314d12006-08-27 18:10:01 +0200288
Wolfgang Denkf4a2d232006-07-22 21:45:49 +0200289 psize = max(size8,max(size9,size10));
Wolfgang Denkdd314d12006-08-27 18:10:01 +0200290
Wolfgang Denkf4a2d232006-07-22 21:45:49 +0200291 if (psize == size8) {
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200292 psize = try_init (memctl, CONFIG_SYS_PSDMR_8COL, CONFIG_SYS_OR2_8COL,
293 (uchar *) CONFIG_SYS_SDRAM_BASE);
wdenk6d3c6d12005-04-03 22:35:21 +0000294 printf ("(60x:8COL) ");
Wolfgang Denkf4a2d232006-07-22 21:45:49 +0200295 } else if (psize == size9){
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200296 psize = try_init (memctl, CONFIG_SYS_PSDMR_9COL, CONFIG_SYS_OR2_9COL,
297 (uchar *) CONFIG_SYS_SDRAM_BASE);
Wolfgang Denkf4a2d232006-07-22 21:45:49 +0200298 printf ("(60x:9COL) ");
299 } else
300 printf ("(60x:10COL) ");
wdenk6d3c6d12005-04-03 22:35:21 +0000301
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200302#endif /* CONFIG_SYS_RAMBOOT */
wdenk6d3c6d12005-04-03 22:35:21 +0000303
304 icache_enable ();
305
306 return (psize);
307}
308
Jon Loeligerd299abc2007-07-09 18:19:09 -0500309#if defined(CONFIG_CMD_DOC)
wdenk6d3c6d12005-04-03 22:35:21 +0000310void doc_init (void)
311{
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200312 doc_probe (CONFIG_SYS_DOC_BASE);
wdenk6d3c6d12005-04-03 22:35:21 +0000313}
314#endif
315
316#ifdef CONFIG_PCI
317struct pci_controller hose;
318
319extern void pci_mpc8250_init(struct pci_controller *);
320
321void pci_init_board(void)
322{
323 pci_mpc8250_init(&hose);
324}
325#endif
Ben Warren052a5ea2008-08-31 20:37:00 -0700326
327int board_eth_init(bd_t *bis)
328{
329 return pci_eth_init(bis);
330}