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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 2db64784061bfc34f4ba70ef1d2fbe7133b55670 / . / board / rpxsuper / rpxsuper.c
blob: b4331f1cdeada216ebcbf72f7ff466a1f64eb06c [file] [log] [blame]
wdenkfe8c2802002-11-03 00:38:21 +0000[diff] [blame]1/*
2 * (C) Copyright 2000
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * (C) Copyright 2001
7 * Advent Networks, Inc. <http://www.adventnetworks.com>
8 * Jay Monkman <jtm@smoothsmoothie.com>
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#include <common.h>
30#include <ioports.h>
31#include <mpc8260.h>
32#include "rpxsuper.h"
33
34/*
35 * I/O Port configuration table
36 *
37 * if conf is 1, then that port pin will be configured at boot time
38 * according to the five values podr/pdir/ppar/psor/pdat for that entry
39 */
40
41const iop_conf_t iop_conf_tab[4][32] = {
42
43 /* Port A configuration */
44 { /* conf ppar psor pdir podr pdat */
wdenk8bde7f72003-06-27 21:31:46 +0000[diff] [blame]45 /* PA31 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 *ATMTXEN */
wdenkfe8c2802002-11-03 00:38:21 +0000[diff] [blame]46 /* PA30 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTCA */
47 /* PA29 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTSOC */
48 /* PA28 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 *ATMRXEN */
49 /* PA27 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRSOC */
50 /* PA26 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRCA */
51 /* PA25 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[0] */
52 /* PA24 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[1] */
53 /* PA23 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[2] */
54 /* PA22 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[3] */
55 /* PA21 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[4] */
56 /* PA20 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[5] */
57 /* PA19 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[6] */
58 /* PA18 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[7] */
59 /* PA17 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
60 /* PA16 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
61 /* PA15 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
62 /* PA14 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
63 /* PA13 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
64 /* PA12 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
65 /* PA11 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
66 /* PA10 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
67 /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */
68 /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */
69 /* PA7 */ { 1, 0, 0, 0, 0, 0 }, /* PA7 */
70 /* PA6 */ { 1, 0, 0, 0, 0, 0 }, /* PA6 */
71 /* PA5 */ { 1, 0, 0, 0, 0, 0 }, /* PA5 */
72 /* PA4 */ { 1, 0, 0, 0, 0, 0 }, /* PA4 */
73 /* PA3 */ { 1, 0, 0, 0, 0, 0 }, /* PA3 */
74 /* PA2 */ { 1, 0, 0, 0, 0, 0 }, /* PA2 */
75 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* PA1 */
76 /* PA0 */ { 1, 0, 0, 0, 0, 0 } /* PA0 */
77 },
78
79 /* Port B configuration */
80 { /* conf ppar psor pdir podr pdat */
81 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
82 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
83 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
84 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
85 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
86 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
87 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
88 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
89 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
90 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
91 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
92 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
93 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
94 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
95 /* PB17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_DV */
96 /* PB16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_ER */
97 /* PB15 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TX_ER */
98 /* PB14 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TX_EN */
99 /* PB13 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII COL */
100 /* PB12 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII CRS */
101 /* PB11 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[3] */
102 /* PB10 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[2] */
103 /* PB9 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[1] */
104 /* PB8 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[0] */
105 /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */
106 /* PB6 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[1] */
107 /* PB5 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[2] */
108 /* PB4 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[3] */
109 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
110 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
111 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
112 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
113 },
114
115 /* Port C */
116 { /* conf ppar psor pdir podr pdat */
117 /* PC31 */ { 1, 0, 0, 1, 0, 0 }, /* PC31 */
118 /* PC30 */ { 1, 0, 0, 1, 0, 0 }, /* PC30 */
119 /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
120 /* PC28 */ { 1, 0, 0, 1, 0, 0 }, /* PC28 */
121 /* PC27 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[0] */
122 /* PC26 */ { 1, 0, 0, 1, 0, 0 }, /* PC26 */
123 /* PC25 */ { 1, 0, 0, 1, 0, 0 }, /* PC25 */
124 /* PC24 */ { 1, 0, 0, 1, 0, 0 }, /* PC24 */
125 /* PC23 */ { 1, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
126 /* PC22 */ { 1, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
127 /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
128 /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
129 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */
130 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */
131 /* PC17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_CLK */
132 /* PC16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII TX_CLK */
133 /* PC15 */ { 1, 0, 0, 0, 0, 0 }, /* PC15 */
134 /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
135 /* PC13 */ { 1, 0, 0, 1, 0, 0 }, /* PC13 */
136 /* PC12 */ { 1, 0, 0, 1, 0, 0 }, /* PC12 */
137 /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* PC11 */
138 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDC */
139 /* PC9 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDIO */
140 /* PC8 */ { 1, 0, 0, 1, 0, 0 }, /* PC8 */
141 /* PC7 */ { 1, 0, 0, 1, 0, 0 }, /* PC7 */
142 /* PC6 */ { 1, 0, 0, 1, 0, 0 }, /* PC6 */
143 /* PC5 */ { 1, 0, 0, 1, 0, 0 }, /* PC5 */
144 /* PC4 */ { 1, 0, 0, 1, 0, 0 }, /* PC4 */
145 /* PC3 */ { 1, 0, 0, 1, 0, 0 }, /* PC3 */
146 /* PC2 */ { 1, 0, 0, 1, 0, 1 }, /* ENET FDE */
147 /* PC1 */ { 1, 0, 0, 1, 0, 0 }, /* ENET DSQE */
148 /* PC0 */ { 1, 0, 0, 1, 0, 0 }, /* ENET LBK */
149 },
150
151 /* Port D */
152 { /* conf ppar psor pdir podr pdat */
153 /* PD31 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 EN RxD */
154 /* PD30 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 EN TxD */
155 /* PD29 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 EN TENA */
156 /* PD28 */ { 1, 0, 0, 0, 0, 0 }, /* PD28 */
157 /* PD27 */ { 1, 0, 0, 0, 0, 0 }, /* PD27 */
158 /* PD26 */ { 1, 0, 0, 0, 0, 0 }, /* PD26 */
159 /* PD25 */ { 1, 0, 0, 0, 0, 0 }, /* PD25 */
160 /* PD24 */ { 1, 0, 0, 0, 0, 0 }, /* PD24 */
161 /* PD23 */ { 1, 0, 0, 0, 0, 0 }, /* PD23 */
162 /* PD22 */ { 1, 0, 0, 0, 0, 0 }, /* PD22 */
163 /* PD21 */ { 1, 0, 0, 0, 0, 0 }, /* PD21 */
164 /* PD20 */ { 1, 0, 0, 0, 0, 0 }, /* PD20 */
165 /* PD19 */ { 1, 0, 0, 0, 0, 0 }, /* PD19 */
166 /* PD18 */ { 1, 0, 0, 0, 0, 0 }, /* PD19 */
167 /* PD17 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
168 /* PD16 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXPRTY */
169 /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
170 /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
171 /* PD13 */ { 1, 0, 0, 0, 0, 0 }, /* PD13 */
172 /* PD12 */ { 1, 0, 0, 0, 0, 0 }, /* PD12 */
173 /* PD11 */ { 1, 0, 0, 0, 0, 0 }, /* PD11 */
174 /* PD10 */ { 1, 0, 0, 0, 0, 0 }, /* PD10 */
175 /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
176 /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
177 /* PD7 */ { 1, 0, 0, 0, 0, 0 }, /* PD7 */
178 /* PD6 */ { 1, 0, 0, 0, 0, 0 }, /* PD6 */
179 /* PD5 */ { 1, 0, 0, 0, 0, 0 }, /* PD5 */
180 /* PD4 */ { 1, 0, 0, 0, 0, 0 }, /* PD4 */
181 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
182 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
183 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
184 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
185 }
186};
187
188/* ------------------------------------------------------------------------- */
189
190/*
191 * Setup CS4 to enable the Board Control/Status registers.
192 * Otherwise the smcs won't work.
193*/
wdenkc837dcb2004-01-20 23:12:12 +0000[diff] [blame]194int board_early_init_f (void)
wdenkfe8c2802002-11-03 00:38:21 +0000[diff] [blame]195{
196 volatile t_rpx_regs *regs = (t_rpx_regs*)CFG_REGS_BASE;
197 volatile immap_t *immap = (immap_t *)CFG_IMMR;
198 volatile memctl8260_t *memctl = &immap->im_memctl;
199 memctl->memc_br4 = CFG_BR4_PRELIM;
200 memctl->memc_or4 = CFG_OR4_PRELIM;
201 regs->bcsr1 = 0x70; /* to enable terminal no SMC1 */
202 regs->bcsr2 = 0x20; /* mut be written to enable writing FLASH */
203 return 0;
204}
205
206void
207reset_phy(void)
208{
209 volatile t_rpx_regs *regs = (t_rpx_regs*)CFG_REGS_BASE;
210 regs->bcsr4 = 0xC3;
211}
212
213/*
214 * Check Board Identity:
215 */
216
217int checkboard(void)
218{
219 volatile t_rpx_regs *regs = (t_rpx_regs*)CFG_REGS_BASE;
220 printf ("Board: Embedded Planet RPX Super, Revision %d\n",
221 regs->bcsr0 >> 4);
222
223 return 0;
224}
225
226/* ------------------------------------------------------------------------- */
227
228long int initdram(int board_type)
229{
230 volatile immap_t *immap = (immap_t *)CFG_IMMR;
231 volatile memctl8260_t *memctl = &immap->im_memctl;
232 volatile uchar c = 0, *ramaddr;
233 ulong psdmr, lsdmr, bcr;
234 long size = 0;
235 int i;
236
237 psdmr = CFG_PSDMR;
238 lsdmr = CFG_LSDMR;
239
240 /*
241 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
242 *
243 * "At system reset, initialization software must set up the
244 * programmable parameters in the memory controller banks registers
245 * (ORx, BRx, P/LSDMR). After all memory parameters are configured,
246 * system software should execute the following initialization sequence
247 * for each SDRAM device.
248 *
249 * 1. Issue a PRECHARGE-ALL-BANKS command
250 * 2. Issue eight CBR REFRESH commands
251 * 3. Issue a MODE-SET command to initialize the mode register
252 *
253 * The initial commands are executed by setting P/LSDMR[OP] and
254 * accessing the SDRAM with a single-byte transaction."
255 *
256 * The appropriate BRx/ORx registers have already been set when we
257 * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
258 */
259
260 size = CFG_SDRAM0_SIZE;
261 bcr = immap->im_siu_conf.sc_bcr;
262 immap->im_siu_conf.sc_bcr = (bcr & ~BCR_EBM);
263
264 memctl->memc_mptpr = CFG_MPTPR;
265
266 ramaddr = (uchar *)(CFG_SDRAM0_BASE);
267 memctl->memc_psrt = CFG_PSRT;
268
269 memctl->memc_psdmr = psdmr | PSDMR_OP_PREA;
270 *ramaddr = c;
271
272 memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR;
273 for (i = 0; i < 8; i++)
wdenk8bde7f72003-06-27 21:31:46 +0000[diff] [blame]274 *ramaddr = c;
wdenkfe8c2802002-11-03 00:38:21 +0000[diff] [blame]275
276 memctl->memc_psdmr = psdmr | PSDMR_OP_MRW;
277 *ramaddr = c;
278
279 memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN;
280 *ramaddr = c;
281
282 immap->im_siu_conf.sc_bcr = bcr;
283
284#ifndef CFG_RAMBOOT
285/* size += CFG_SDRAM1_SIZE; */
286 ramaddr = (uchar *)(CFG_SDRAM1_BASE);
287 memctl->memc_lsrt = CFG_LSRT;
288
289 memctl->memc_lsdmr = lsdmr | PSDMR_OP_PREA;
290 *ramaddr = c;
291
292 memctl->memc_lsdmr = lsdmr | PSDMR_OP_CBRR;
293 for (i = 0; i < 8; i++)
294 *ramaddr = c;
295
296 memctl->memc_lsdmr = lsdmr | PSDMR_OP_MRW;
297 *ramaddr = c;
298
299 memctl->memc_lsdmr = lsdmr | PSDMR_OP_NORM | PSDMR_RFEN;
300 *ramaddr = c;
301#endif
302
303 /* return total ram size */
304 return (size * 1024 * 1024);
305}