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wdenk56523f12004-07-11 17:40:54 +00001/*
Wolfgang Denk45a212c2006-07-19 17:52:30 +02002 * (C) Copyright 2003-2006
wdenk56523f12004-07-11 17:40:54 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2004
6 * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
7 *
Wolfgang Denk45a212c2006-07-19 17:52:30 +02008 * (C) Copyright 2004-2006
wdenk56523f12004-07-11 17:40:54 +00009 * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wdenk81050922004-07-11 20:04:51 +000021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wdenk56523f12004-07-11 17:40:54 +000022 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
29
30#include <common.h>
31#include <mpc5xxx.h>
32#include <pci.h>
Wolfgang Denk45a212c2006-07-19 17:52:30 +020033#include <asm/processor.h>
Grant Likelycf2817a2007-09-06 09:46:23 -060034#include <libfdt.h>
Ben Warren19403632008-08-31 10:03:22 -070035#include <netdev.h>
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +020036
wdenk8f0b7cb2005-03-27 23:41:39 +000037#ifdef CONFIG_VIDEO_SM501
38#include <sm501.h>
39#endif
40
wdenk56523f12004-07-11 17:40:54 +000041#if defined(CONFIG_MPC5200_DDR)
42#include "mt46v16m16-75.h"
43#else
44#include "mt48lc16m16a2-75.h"
45#endif
wdenk8f0b7cb2005-03-27 23:41:39 +000046
Martin Krausec313b2c2008-02-25 17:52:40 +010047#ifdef CONFIG_OF_LIBFDT
48#include <fdt_support.h>
49#endif /* CONFIG_OF_LIBFDT */
50
Wolfgang Denk1218abf2007-09-15 20:48:41 +020051DECLARE_GLOBAL_DATA_PTR;
52
wdenk7e6bf352004-12-12 22:06:17 +000053#ifdef CONFIG_PS2MULT
54void ps2mult_early_init(void);
55#endif
wdenk56523f12004-07-11 17:40:54 +000056
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020057#ifndef CONFIG_SYS_RAMBOOT
wdenk56523f12004-07-11 17:40:54 +000058static void sdram_start (int hi_addr)
59{
60 long hi_addr_bit = hi_addr ? 0x01000000 : 0;
61
62 /* unlock mode register */
63 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 |
64 hi_addr_bit;
65 __asm__ volatile ("sync");
66
67 /* precharge all banks */
68 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
69 hi_addr_bit;
70 __asm__ volatile ("sync");
71
72#if SDRAM_DDR
73 /* set mode register: extended mode */
74 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
75 __asm__ volatile ("sync");
76
77 /* set mode register: reset DLL */
78 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
79 __asm__ volatile ("sync");
80#endif
81
82 /* precharge all banks */
83 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
84 hi_addr_bit;
85 __asm__ volatile ("sync");
86
87 /* auto refresh */
88 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 |
89 hi_addr_bit;
90 __asm__ volatile ("sync");
91
92 /* set mode register */
93 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE;
94 __asm__ volatile ("sync");
95
96 /* normal operation */
97 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
98 __asm__ volatile ("sync");
99}
100#endif
101
102/*
103 * ATTENTION: Although partially referenced initdram does NOT make real use
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200104 * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
wdenk81050922004-07-11 20:04:51 +0000105 * is something else than 0x00000000.
wdenk56523f12004-07-11 17:40:54 +0000106 */
107
Becky Bruce9973e3c2008-06-09 16:03:40 -0500108phys_size_t initdram (int board_type)
wdenk56523f12004-07-11 17:40:54 +0000109{
110 ulong dramsize = 0;
111 ulong dramsize2 = 0;
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200112 uint svr, pvr;
113
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200114#ifndef CONFIG_SYS_RAMBOOT
wdenk56523f12004-07-11 17:40:54 +0000115 ulong test1, test2;
116
117 /* setup SDRAM chip selects */
118 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
119 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */
120 __asm__ volatile ("sync");
121
122 /* setup config registers */
123 *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
124 *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
125 __asm__ volatile ("sync");
126
127#if SDRAM_DDR
128 /* set tap delay */
129 *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
130 __asm__ volatile ("sync");
131#endif
132
133 /* find RAM size using SDRAM CS0 only */
134 sdram_start(0);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200135 test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
wdenk56523f12004-07-11 17:40:54 +0000136 sdram_start(1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200137 test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
wdenk56523f12004-07-11 17:40:54 +0000138 if (test1 > test2) {
139 sdram_start(0);
140 dramsize = test1;
141 } else {
142 dramsize = test2;
143 }
144
145 /* memory smaller than 1MB is impossible */
146 if (dramsize < (1 << 20)) {
147 dramsize = 0;
148 }
149
150 /* set SDRAM CS0 size according to the amount of RAM found */
151 if (dramsize > 0) {
152 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
153 __builtin_ffs(dramsize >> 20) - 1;
154 } else {
155 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
156 }
157
158 /* let SDRAM CS1 start right after CS0 */
159 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001c; /* 512MB */
160
161 /* find RAM size using SDRAM CS1 only */
Martin Krausef3a329a2008-02-25 13:27:52 +0100162 if (!dramsize)
163 sdram_start(0);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200164 test2 = test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
Martin Krausef3a329a2008-02-25 13:27:52 +0100165 if (!dramsize) {
166 sdram_start(1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200167 test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
Martin Krausef3a329a2008-02-25 13:27:52 +0100168 }
wdenk56523f12004-07-11 17:40:54 +0000169 if (test1 > test2) {
170 sdram_start(0);
171 dramsize2 = test1;
172 } else {
173 dramsize2 = test2;
174 }
175
176 /* memory smaller than 1MB is impossible */
177 if (dramsize2 < (1 << 20)) {
178 dramsize2 = 0;
179 }
180
181 /* set SDRAM CS1 size according to the amount of RAM found */
182 if (dramsize2 > 0) {
183 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
184 | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
185 } else {
186 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
187 }
188
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200189#else /* CONFIG_SYS_RAMBOOT */
wdenk56523f12004-07-11 17:40:54 +0000190
191 /* retrieve size of memory connected to SDRAM CS0 */
192 dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
193 if (dramsize >= 0x13) {
194 dramsize = (1 << (dramsize - 0x13)) << 20;
195 } else {
196 dramsize = 0;
197 }
198
199 /* retrieve size of memory connected to SDRAM CS1 */
200 dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF;
201 if (dramsize2 >= 0x13) {
202 dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
203 } else {
204 dramsize2 = 0;
205 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200206#endif /* CONFIG_SYS_RAMBOOT */
wdenk56523f12004-07-11 17:40:54 +0000207
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200208 /*
209 * On MPC5200B we need to set the special configuration delay in the
210 * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
211 * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
212 *
213 * "The SDelay should be written to a value of 0x00000004. It is
214 * required to account for changes caused by normal wafer processing
215 * parameters."
216 */
217 svr = get_svr();
218 pvr = get_pvr();
219 if ((SVR_MJREV(svr) >= 2) &&
220 (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) {
221
222 *(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
223 __asm__ volatile ("sync");
224 }
225
226#if defined(CONFIG_TQM5200_B)
227 return dramsize + dramsize2;
228#else
wdenk56523f12004-07-11 17:40:54 +0000229 return dramsize;
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200230#endif /* CONFIG_TQM5200_B */
wdenk56523f12004-07-11 17:40:54 +0000231}
232
wdenk56523f12004-07-11 17:40:54 +0000233int checkboard (void)
234{
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200235#if defined(CONFIG_AEVFIFO)
Wolfgang Denk8f79e4c2005-08-10 15:14:32 +0200236 puts ("Board: AEVFIFO\n");
237 return 0;
238#endif
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200239
240#if defined(CONFIG_TQM5200S)
241# define MODULE_NAME "TQM5200S"
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200242#else
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200243# define MODULE_NAME "TQM5200"
wdenk56523f12004-07-11 17:40:54 +0000244#endif
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200245
246#if defined(CONFIG_STK52XX)
247# define CARRIER_NAME "STK52xx"
248#elif defined(CONFIG_TB5200)
249# define CARRIER_NAME "TB5200"
Wolfgang Denk135ae002006-07-22 01:20:03 +0200250#elif defined(CONFIG_CAM5200)
Wolfgang Denk78d620e2006-11-23 22:58:58 +0100251# define CARRIER_NAME "CAM5200"
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200252#elif defined(CONFIG_FO300)
253# define CARRIER_NAME "FO300"
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200254#else
Wolfgang Denk5196a7a2006-08-18 23:27:33 +0200255# error "UNKNOWN"
wdenk7e6bf352004-12-12 22:06:17 +0000256#endif
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200257
258 puts ( "Board: " MODULE_NAME " (TQ-Components GmbH)\n"
259 " on a " CARRIER_NAME " carrier board\n");
wdenk7e6bf352004-12-12 22:06:17 +0000260
wdenk56523f12004-07-11 17:40:54 +0000261 return 0;
262}
263
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200264#undef MODULE_NAME
265#undef CARRIER_NAME
266
wdenk56523f12004-07-11 17:40:54 +0000267void flash_preinit(void)
268{
269 /*
270 * Now, when we are in RAM, enable flash write
271 * access for detection process.
272 * Note that CS_BOOT cannot be cleared when
273 * executing in flash.
274 */
wdenk56523f12004-07-11 17:40:54 +0000275 *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
276}
277
278
279#ifdef CONFIG_PCI
280static struct pci_controller hose;
281
282extern void pci_mpc5xxx_init(struct pci_controller *);
283
284void pci_init_board(void)
285{
286 pci_mpc5xxx_init(&hose);
287}
288#endif
289
Jon Loeligerd39b5742007-07-10 10:48:22 -0500290#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
wdenk56523f12004-07-11 17:40:54 +0000291
292#if defined (CONFIG_MINIFAP)
293#define SM501_POWER_MODE0_GATE 0x00000040UL
294#define SM501_POWER_MODE1_GATE 0x00000048UL
295#define POWER_MODE_GATE_GPIO_PWM_I2C 0x00000040UL
296#define SM501_GPIO_DATA_DIR_HIGH 0x0001000CUL
297#define SM501_GPIO_DATA_HIGH 0x00010004UL
298#define SM501_GPIO_51 0x00080000UL
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100299#endif /* CONFIG MINIFAP */
wdenk56523f12004-07-11 17:40:54 +0000300
301void init_ide_reset (void)
302{
303 debug ("init_ide_reset\n");
304
305#if defined (CONFIG_MINIFAP)
306 /* Configure GPIO_51 of the SM501 grafic controller as ATA reset */
307
308 /* enable GPIO control (in both power modes) */
309 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
310 POWER_MODE_GATE_GPIO_PWM_I2C;
311 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
312 POWER_MODE_GATE_GPIO_PWM_I2C;
313 /* configure GPIO51 as output */
314 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |=
315 SM501_GPIO_51;
316#else
317 /* Configure PSC1_4 as GPIO output for ATA reset */
318 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
319 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
Martin Krause8f2a68a2008-04-03 14:29:01 +0200320
321 /* by default the ATA reset is de-asserted */
322 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000323#endif
324}
325
326void ide_set_reset (int idereset)
327{
328 debug ("ide_reset(%d)\n", idereset);
329
330#if defined (CONFIG_MINIFAP)
331 if (idereset) {
332 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
333 ~SM501_GPIO_51;
334 } else {
335 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
336 SM501_GPIO_51;
337 }
338#else
339 if (idereset) {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100340 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000341 } else {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100342 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000343 }
344#endif
345}
Jon Loeligerd39b5742007-07-10 10:48:22 -0500346#endif
wdenk56523f12004-07-11 17:40:54 +0000347
348#ifdef CONFIG_POST
349/*
350 * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
351 * is left open, no keypress is detected.
352 */
353int post_hotkeys_pressed(void)
354{
Wolfgang Denk1d92b2e2006-10-09 01:07:53 +0200355#ifdef CONFIG_STK52XX
wdenk56523f12004-07-11 17:40:54 +0000356 struct mpc5xxx_gpio *gpio;
357
358 gpio = (struct mpc5xxx_gpio*) MPC5XXX_GPIO;
359
360 /*
Detlev Zundel95c44ec2009-10-07 16:38:05 +0200361 * Configure PSC6_0 through PSC6_3 as GPIO.
wdenk81050922004-07-11 20:04:51 +0000362 */
Detlev Zundel95c44ec2009-10-07 16:38:05 +0200363 gpio->port_config &= ~(0x00700000);
wdenk56523f12004-07-11 17:40:54 +0000364
365 /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
366 gpio->simple_gpioe |= 0x20000000;
367
368 /* Configure GPIO_IRDA_1 as input */
369 gpio->simple_ddr &= ~(0x20000000);
370
371 return ((gpio->simple_ival & 0x20000000) ? 0 : 1);
Wolfgang Denk1d92b2e2006-10-09 01:07:53 +0200372#else
373 return 0;
374#endif
wdenk56523f12004-07-11 17:40:54 +0000375}
376#endif
377
wdenk7e6bf352004-12-12 22:06:17 +0000378#ifdef CONFIG_BOARD_EARLY_INIT_R
379int board_early_init_r (void)
380{
Markus Klotzbuecher6a40ef62008-01-09 13:57:10 +0100381
Wolfgang Denk409ecdc2007-11-18 16:36:27 +0100382 extern int usb_cpu_init(void);
383
Marian Balakowicz245a3622007-10-24 01:37:36 +0200384#ifdef CONFIG_PS2MULT
wdenk7e6bf352004-12-12 22:06:17 +0000385 ps2mult_early_init();
Marian Balakowicz245a3622007-10-24 01:37:36 +0200386#endif /* CONFIG_PS2MULT */
387
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200388#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
Marian Balakowicz245a3622007-10-24 01:37:36 +0200389 /* Low level USB init, required for proper kernel operation */
390 usb_cpu_init();
391#endif
392
wdenk7e6bf352004-12-12 22:06:17 +0000393 return (0);
394}
395#endif
wdenk7e6bf352004-12-12 22:06:17 +0000396
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200397#ifdef CONFIG_FO300
398int silent_boot (void)
399{
400 vu_long timer3_status;
401
402 /* Configure GPT3 as GPIO input */
403 *(vu_long *)MPC5XXX_GPT3_ENABLE = 0x00000004;
404
405 /* Read in TIMER_3 pin status */
406 timer3_status = *(vu_long *)MPC5XXX_GPT3_STATUS;
407
408#ifdef FO300_SILENT_CONSOLE_WHEN_S1_CLOSED
409 /* Force silent console mode if S1 switch
410 * is in closed position (TIMER_3 pin status is LOW). */
411 if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 0)
412 return 1;
413#else
414 /* Force silent console mode if S1 switch
415 * is in open position (TIMER_3 pin status is HIGH). */
416 if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 1)
417 return 1;
418#endif
419
420 return 0;
421}
422
423int board_early_init_f (void)
424{
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200425 if (silent_boot())
426 gd->flags |= GD_FLG_SILENT;
427
428 return 0;
429}
430#endif /* CONFIG_FO300 */
431
wdenk7e6bf352004-12-12 22:06:17 +0000432int last_stage_init (void)
433{
434 /*
435 * auto scan for really existing devices and re-set chip select
436 * configuration.
437 */
438 u16 save, tmp;
439 int restore;
440
441 /*
442 * Check for SRAM and SRAM size
443 */
444
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200445 /* save original SRAM content */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200446 save = *(volatile u16 *)CONFIG_SYS_CS2_START;
wdenk7e6bf352004-12-12 22:06:17 +0000447 restore = 1;
wdenkefe2a4d2004-12-16 21:44:03 +0000448
wdenk7e6bf352004-12-12 22:06:17 +0000449 /* write test pattern to SRAM */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200450 *(volatile u16 *)CONFIG_SYS_CS2_START = 0xA5A5;
wdenk7e6bf352004-12-12 22:06:17 +0000451 __asm__ volatile ("sync");
452 /*
453 * Put a different pattern on the data lines: otherwise they may float
454 * long enough to read back what we wrote.
455 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200456 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
wdenk7e6bf352004-12-12 22:06:17 +0000457 if (tmp == 0xA5A5)
458 puts ("!! possible error in SRAM detection\n");
wdenkefe2a4d2004-12-16 21:44:03 +0000459
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200460 if (*(volatile u16 *)CONFIG_SYS_CS2_START != 0xA5A5) {
wdenk7e6bf352004-12-12 22:06:17 +0000461 /* no SRAM at all, disable cs */
462 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
463 *(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
464 *(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
465 restore = 0;
466 __asm__ volatile ("sync");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200467 } else if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0xA5A5) {
wdenk7e6bf352004-12-12 22:06:17 +0000468 /* make sure that we access a mirrored address */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200469 *(volatile u16 *)CONFIG_SYS_CS2_START = 0x1111;
wdenk7e6bf352004-12-12 22:06:17 +0000470 __asm__ volatile ("sync");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200471 if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0x1111) {
wdenk7e6bf352004-12-12 22:06:17 +0000472 /* SRAM size = 512 kByte */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200473 *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CONFIG_SYS_CS2_START,
wdenk7e6bf352004-12-12 22:06:17 +0000474 0x80000);
475 __asm__ volatile ("sync");
476 puts ("SRAM: 512 kB\n");
477 }
478 else
wdenkefe2a4d2004-12-16 21:44:03 +0000479 puts ("!! possible error in SRAM detection\n");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200480 } else {
wdenkefe2a4d2004-12-16 21:44:03 +0000481 puts ("SRAM: 1 MB\n");
wdenk7e6bf352004-12-12 22:06:17 +0000482 }
483 /* restore origianl SRAM content */
484 if (restore) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200485 *(volatile u16 *)CONFIG_SYS_CS2_START = save;
wdenk7e6bf352004-12-12 22:06:17 +0000486 __asm__ volatile ("sync");
487 }
wdenkefe2a4d2004-12-16 21:44:03 +0000488
Martin Krause0fc0f912007-10-22 16:40:06 +0200489#ifndef CONFIG_TQM5200S /* The TQM5200S has no SM501 grafic controller */
wdenkefe2a4d2004-12-16 21:44:03 +0000490 /*
wdenk7e6bf352004-12-12 22:06:17 +0000491 * Check for Grafic Controller
492 */
493
494 /* save origianl FB content */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200495 save = *(volatile u16 *)CONFIG_SYS_CS1_START;
wdenk7e6bf352004-12-12 22:06:17 +0000496 restore = 1;
wdenkefe2a4d2004-12-16 21:44:03 +0000497
wdenk7e6bf352004-12-12 22:06:17 +0000498 /* write test pattern to FB memory */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200499 *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
wdenk7e6bf352004-12-12 22:06:17 +0000500 __asm__ volatile ("sync");
501 /*
502 * Put a different pattern on the data lines: otherwise they may float
503 * long enough to read back what we wrote.
504 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200505 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
wdenk7e6bf352004-12-12 22:06:17 +0000506 if (tmp == 0xA5A5)
507 puts ("!! possible error in grafic controller detection\n");
wdenkefe2a4d2004-12-16 21:44:03 +0000508
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200509 if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
wdenk7e6bf352004-12-12 22:06:17 +0000510 /* no grafic controller at all, disable cs */
511 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
512 *(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
513 *(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
514 restore = 0;
515 __asm__ volatile ("sync");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200516 } else {
wdenkefe2a4d2004-12-16 21:44:03 +0000517 puts ("VGA: SMI501 (Voyager) with 8 MB\n");
wdenk7e6bf352004-12-12 22:06:17 +0000518 }
519 /* restore origianl FB content */
520 if (restore) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200521 *(volatile u16 *)CONFIG_SYS_CS1_START = save;
wdenk7e6bf352004-12-12 22:06:17 +0000522 __asm__ volatile ("sync");
523 }
wdenkefe2a4d2004-12-16 21:44:03 +0000524
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200525#ifdef CONFIG_FO300
526 if (silent_boot()) {
527 setenv("bootdelay", "0");
528 disable_ctrlc(1);
529 }
530#endif
Wolfgang Denk409ecdc2007-11-18 16:36:27 +0100531#endif /* !CONFIG_TQM5200S */
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200532
wdenk7e6bf352004-12-12 22:06:17 +0000533 return 0;
534}
wdenk8f0b7cb2005-03-27 23:41:39 +0000535
536#ifdef CONFIG_VIDEO_SM501
537
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200538#ifdef CONFIG_FO300
539#define DISPLAY_WIDTH 800
540#else
wdenk8f0b7cb2005-03-27 23:41:39 +0000541#define DISPLAY_WIDTH 640
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200542#endif
wdenk8f0b7cb2005-03-27 23:41:39 +0000543#define DISPLAY_HEIGHT 480
544
545#ifdef CONFIG_VIDEO_SM501_8BPP
546#error CONFIG_VIDEO_SM501_8BPP not supported.
547#endif /* CONFIG_VIDEO_SM501_8BPP */
548
549#ifdef CONFIG_VIDEO_SM501_16BPP
550#error CONFIG_VIDEO_SM501_16BPP not supported.
551#endif /* CONFIG_VIDEO_SM501_16BPP */
552#ifdef CONFIG_VIDEO_SM501_32BPP
553static const SMI_REGS init_regs [] =
554{
555#if 0 /* CRT only */
556 {0x00004, 0x0},
557 {0x00048, 0x00021807},
558 {0x0004C, 0x10090a01},
559 {0x00054, 0x1},
560 {0x00040, 0x00021807},
561 {0x00044, 0x10090a01},
562 {0x00054, 0x0},
563 {0x80200, 0x00010000},
564 {0x80204, 0x0},
565 {0x80208, 0x0A000A00},
566 {0x8020C, 0x02fa027f},
567 {0x80210, 0x004a028b},
568 {0x80214, 0x020c01df},
569 {0x80218, 0x000201e9},
570 {0x80200, 0x00013306},
571#else /* panel + CRT */
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200572#ifdef CONFIG_FO300
573 {0x00004, 0x0},
574 {0x00048, 0x00021807},
575 {0x0004C, 0x301a0a01},
576 {0x00054, 0x1},
577 {0x00040, 0x00021807},
578 {0x00044, 0x091a0a01},
579 {0x00054, 0x0},
580 {0x80000, 0x0f013106},
581 {0x80004, 0xc428bb17},
582 {0x8000C, 0x00000000},
583 {0x80010, 0x0C800C80},
584 {0x80014, 0x03200000},
585 {0x80018, 0x01e00000},
586 {0x8001C, 0x00000000},
587 {0x80020, 0x01e00320},
588 {0x80024, 0x042a031f},
589 {0x80028, 0x0086034a},
590 {0x8002C, 0x020c01df},
591 {0x80030, 0x000201ea},
592 {0x80200, 0x00010000},
593#else
wdenk8f0b7cb2005-03-27 23:41:39 +0000594 {0x00004, 0x0},
595 {0x00048, 0x00021807},
596 {0x0004C, 0x091a0a01},
597 {0x00054, 0x1},
598 {0x00040, 0x00021807},
599 {0x00044, 0x091a0a01},
600 {0x00054, 0x0},
601 {0x80000, 0x0f013106},
602 {0x80004, 0xc428bb17},
603 {0x8000C, 0x00000000},
604 {0x80010, 0x0a000a00},
605 {0x80014, 0x02800000},
606 {0x80018, 0x01e00000},
607 {0x8001C, 0x00000000},
608 {0x80020, 0x01e00280},
609 {0x80024, 0x02fa027f},
610 {0x80028, 0x004a028b},
611 {0x8002C, 0x020c01df},
612 {0x80030, 0x000201e9},
613 {0x80200, 0x00010000},
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200614#endif /* #ifdef CONFIG_FO300 */
wdenk8f0b7cb2005-03-27 23:41:39 +0000615#endif
616 {0, 0}
617};
618#endif /* CONFIG_VIDEO_SM501_32BPP */
619
620#ifdef CONFIG_CONSOLE_EXTRA_INFO
621/*
622 * Return text to be printed besides the logo.
623 */
624void video_get_info_str (int line_number, char *info)
625{
626 if (line_number == 1) {
Wolfgang Denkcd65a3d2006-06-16 16:11:34 +0200627 strcpy (info, " Board: TQM5200 (TQ-Components GmbH)");
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200628#if defined (CONFIG_STK52XX) || defined (CONFIG_TB5200) || defined(CONFIG_FO300)
wdenk8f0b7cb2005-03-27 23:41:39 +0000629 } else if (line_number == 2) {
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200630#if defined (CONFIG_STK52XX)
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200631 strcpy (info, " on a STK52xx carrier board");
wdenk8f0b7cb2005-03-27 23:41:39 +0000632#endif
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200633#if defined (CONFIG_TB5200)
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200634 strcpy (info, " on a TB5200 carrier board");
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200635#endif
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200636#if defined (CONFIG_FO300)
637 strcpy (info, " on a FO300 carrier board");
638#endif
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200639#endif
wdenk8f0b7cb2005-03-27 23:41:39 +0000640 }
641 else {
642 info [0] = '\0';
643 }
644}
645#endif
646
647/*
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200648 * Returns SM501 register base address. First thing called in the
649 * driver. Checks if SM501 is physically present.
wdenk8f0b7cb2005-03-27 23:41:39 +0000650 */
651unsigned int board_video_init (void)
652{
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200653 u16 save, tmp;
654 int restore, ret;
655
656 /*
657 * Check for Grafic Controller
658 */
659
660 /* save origianl FB content */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200661 save = *(volatile u16 *)CONFIG_SYS_CS1_START;
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200662 restore = 1;
663
664 /* write test pattern to FB memory */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200665 *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200666 __asm__ volatile ("sync");
667 /*
668 * Put a different pattern on the data lines: otherwise they may float
669 * long enough to read back what we wrote.
670 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200671 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200672 if (tmp == 0xA5A5)
673 puts ("!! possible error in grafic controller detection\n");
674
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200675 if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200676 /* no grafic controller found */
677 restore = 0;
678 ret = 0;
679 } else {
680 ret = SM501_MMIO_BASE;
681 }
682
683 if (restore) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200684 *(volatile u16 *)CONFIG_SYS_CS1_START = save;
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200685 __asm__ volatile ("sync");
686 }
687 return ret;
wdenk8f0b7cb2005-03-27 23:41:39 +0000688}
689
690/*
691 * Returns SM501 framebuffer address
692 */
693unsigned int board_video_get_fb (void)
694{
695 return SM501_FB_BASE;
696}
697
698/*
699 * Called after initializing the SM501 and before clearing the screen.
700 */
701void board_validate_screen (unsigned int base)
702{
703}
704
705/*
706 * Return a pointer to the initialization sequence.
707 */
708const SMI_REGS *board_get_regs (void)
709{
710 return init_regs;
711}
712
713int board_get_width (void)
714{
715 return DISPLAY_WIDTH;
716}
717
718int board_get_height (void)
719{
720 return DISPLAY_HEIGHT;
721}
722
723#endif /* CONFIG_VIDEO_SM501 */
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200724
Grant Likelycf2817a2007-09-06 09:46:23 -0600725#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200726void ft_board_setup(void *blob, bd_t *bd)
727{
728 ft_cpu_setup(blob, bd);
729}
Grant Likelycf2817a2007-09-06 09:46:23 -0600730#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
Ben Warren19403632008-08-31 10:03:22 -0700731
732int board_eth_init(bd_t *bis)
733{
Ben Warrene1d74802008-08-31 10:39:12 -0700734 cpu_eth_init(bis); /* Built in FEC comes first */
Ben Warren19403632008-08-31 10:03:22 -0700735 return pci_eth_init(bis);
736}