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Merge branch 'master' of git://git.denx.de/u-boot-arm
[people/ms/u-boot.git] / board / lwmon5 / lwmon5.c
CommitLineData
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1/*
2 * (C) Copyright 2007
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
18 * MA 02111-1307 USA
19 */
20
21#include <common.h>
c25dd8fc 22#include <command.h>
b765ffb7 23#include <ppc440.h>
04e6c38b 24#include <asm/processor.h>
b765ffb7 25#include <asm/gpio.h>
04e6c38b 26#include <asm/io.h>
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27
28DECLARE_GLOBAL_DATA_PTR;
29
6d0f6bcf 30extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
b765ffb7 31
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32ulong flash_get_size(ulong base, int banknum);
33int misc_init_r_kbd(void);
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34
35int board_early_init_f(void)
36{
37 u32 sdr0_pfc1, sdr0_pfc2;
38 u32 reg;
39
83b4cfa3 40 /* PLB Write pipelining disabled. Denali Core workaround */
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SR
41 mtdcr(PLB0_ACR, 0xDE000000);
42 mtdcr(PLB1_ACR, 0xDE000000);
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43
44 /*--------------------------------------------------------------------
45 * Setup the interrupt controller polarities, triggers, etc.
46 *-------------------------------------------------------------------*/
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47 mtdcr(UIC0SR, 0xffffffff); /* clear all. if write with 1 then the status is cleared */
48 mtdcr(UIC0ER, 0x00000000); /* disable all */
49 mtdcr(UIC0CR, 0x00000000); /* we have not critical interrupts at the moment */
50 mtdcr(UIC0PR, 0xFFBFF1EF); /* Adjustment of the polarity */
51 mtdcr(UIC0TR, 0x00000900); /* per ref-board manual */
52 mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
53 mtdcr(UIC0SR, 0xffffffff); /* clear all */
b765ffb7 54
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55 mtdcr(UIC1SR, 0xffffffff); /* clear all */
56 mtdcr(UIC1ER, 0x00000000); /* disable all */
57 mtdcr(UIC1CR, 0x00000000); /* all non-critical */
58 mtdcr(UIC1PR, 0xFFFFC6A5); /* Adjustment of the polarity */
59 mtdcr(UIC1TR, 0x60000040); /* per ref-board manual */
60 mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
61 mtdcr(UIC1SR, 0xffffffff); /* clear all */
b765ffb7 62
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63 mtdcr(UIC2SR, 0xffffffff); /* clear all */
64 mtdcr(UIC2ER, 0x00000000); /* disable all */
65 mtdcr(UIC2CR, 0x00000000); /* all non-critical */
66 mtdcr(UIC2PR, 0x27C00000); /* Adjustment of the polarity */
67 mtdcr(UIC2TR, 0x3C000000); /* per ref-board manual */
68 mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
69 mtdcr(UIC2SR, 0xffffffff); /* clear all */
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70
71 /* Trace Pins are disabled. SDR0_PFC0 Register */
72 mtsdr(SDR0_PFC0, 0x0);
73
74 /* select Ethernet pins */
75 mfsdr(SDR0_PFC1, sdr0_pfc1);
76 /* SMII via ZMII */
77 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
78 SDR0_PFC1_SELECT_CONFIG_6;
79 mfsdr(SDR0_PFC2, sdr0_pfc2);
80 sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
81 SDR0_PFC2_SELECT_CONFIG_6;
82
83 /* enable SPI (SCP) */
84 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_SCP_SEL;
85
86 mtsdr(SDR0_PFC2, sdr0_pfc2);
87 mtsdr(SDR0_PFC1, sdr0_pfc1);
88
89 mtsdr(SDR0_PFC4, 0x80000000);
90
91 /* PCI arbiter disabled */
83b4cfa3 92 /* PCI Host Configuration disbaled */
d1c3b275 93 mfsdr(SDR0_PCI0, reg);
83b4cfa3 94 reg = 0;
d1c3b275 95 mtsdr(SDR0_PCI0, 0x00000000 | reg);
b765ffb7 96
6d0f6bcf 97 gpio_write_bit(CONFIG_SYS_GPIO_FLASH_WP, 1);
b765ffb7 98
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JCPV
99#if CONFIG_POST & CONFIG_SYS_POST_BSPEC1
100 gpio_write_bit(CONFIG_SYS_GPIO_HIGHSIDE, 1);
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101
102 reg = 0; /* reuse as counter */
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JCPV
103 out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR,
104 in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR)
105 & ~CONFIG_SYS_DSPIC_TEST_MASK);
106 while (!gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY) && reg++ < 1000) {
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107 udelay(1000);
108 }
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JCPV
109 gpio_write_bit(CONFIG_SYS_GPIO_HIGHSIDE, 0);
110 if (gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY)) {
65b20dce 111 /* set "boot error" flag */
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JCPV
112 out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR,
113 in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) |
114 CONFIG_SYS_DSPIC_TEST_MASK);
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115 }
116#endif
117
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118 /*
119 * Reset PHY's:
120 * The PHY's need a 2nd reset pulse, since the MDIO address is latched
121 * upon reset, and with the first reset upon powerup, the addresses are
122 * not latched reliable, since the IRQ line is multiplexed with an
123 * MDIO address. A 2nd reset at this time will make sure, that the
124 * correct address is latched.
125 */
6d0f6bcf
JCPV
126 gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1);
127 gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1);
54fd6c93 128 udelay(1000);
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129 gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 0);
130 gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 0);
54fd6c93 131 udelay(1000);
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JCPV
132 gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1);
133 gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1);
54fd6c93 134
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135 return 0;
136}
137
138/*---------------------------------------------------------------------------+
139 | misc_init_r.
140 +---------------------------------------------------------------------------*/
141int misc_init_r(void)
142{
143 u32 pbcr;
144 int size_val = 0;
145 u32 reg;
146 unsigned long usb2d0cr = 0;
147 unsigned long usb2phy0cr, usb2h0cr = 0;
148 unsigned long sdr0_pfc1;
149
150 /*
151 * FLASH stuff...
152 */
153
154 /* Re-do sizing to get full correct info */
155
156 /* adjust flash start and offset */
157 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
158 gd->bd->bi_flashoffset = 0;
159
d1c3b275 160 mfebc(PB0CR, pbcr);
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161 switch (gd->bd->bi_flashsize) {
162 case 1 << 20:
163 size_val = 0;
164 break;
165 case 2 << 20:
166 size_val = 1;
167 break;
168 case 4 << 20:
169 size_val = 2;
170 break;
171 case 8 << 20:
172 size_val = 3;
173 break;
174 case 16 << 20:
175 size_val = 4;
176 break;
177 case 32 << 20:
178 size_val = 5;
179 break;
180 case 64 << 20:
181 size_val = 6;
182 break;
183 case 128 << 20:
184 size_val = 7;
185 break;
186 }
187 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
d1c3b275 188 mtebc(PB0CR, pbcr);
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189
190 /*
191 * Re-check to get correct base address
192 */
193 flash_get_size(gd->bd->bi_flashstart, 0);
194
195 /* Monitor protection ON by default */
196 (void)flash_protect(FLAG_PROTECT_SET,
6d0f6bcf 197 -CONFIG_SYS_MONITOR_LEN,
b765ffb7 198 0xffffffff,
9f24a808 199 &flash_info[1]);
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200
201 /* Env protection ON by default */
202 (void)flash_protect(FLAG_PROTECT_SET,
0e8d1586
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203 CONFIG_ENV_ADDR_REDUND,
204 CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1,
9f24a808 205 &flash_info[1]);
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206
207 /*
208 * USB suff...
209 */
210 /* SDR Setting */
211 mfsdr(SDR0_PFC1, sdr0_pfc1);
212 mfsdr(SDR0_USB0, usb2d0cr);
213 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
214 mfsdr(SDR0_USB2H0CR, usb2h0cr);
215
216 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
217 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
218 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
219 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/
220 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
221 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
222 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
223 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
224 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
225 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
226
227 /* An 8-bit/60MHz interface is the only possible alternative
228 when connecting the Device to the PHY */
229 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
230 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/
231
232 mtsdr(SDR0_PFC1, sdr0_pfc1);
233 mtsdr(SDR0_USB0, usb2d0cr);
234 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
235 mtsdr(SDR0_USB2H0CR, usb2h0cr);
236
237 /*
238 * Clear resets
239 */
240 udelay (1000);
241 mtsdr(SDR0_SRST1, 0x00000000);
242 udelay (1000);
243 mtsdr(SDR0_SRST0, 0x00000000);
244
245 printf("USB: Host(int phy) Device(ext phy)\n");
246
247 /*
248 * Clear PLB4A0_ACR[WRP]
249 * This fix will make the MAL burst disabling patch for the Linux
250 * EMAC driver obsolete.
251 */
d1c3b275
SR
252 reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP;
253 mtdcr(PLB4_ACR, reg);
b765ffb7 254
3ad63878
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255 /*
256 * Init matrix keyboard
257 */
258 misc_init_r_kbd();
259
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260 return 0;
261}
262
263int checkboard(void)
264{
265 char *s = getenv("serial#");
266
267 printf("Board: lwmon5");
268
269 if (s != NULL) {
270 puts(", serial# ");
271 puts(s);
272 }
273 putc('\n');
274
275 return (0);
276}
277
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278void hw_watchdog_reset(void)
279{
280 int val;
d32a874b
YT
281#if defined(CONFIG_WD_MAX_RATE)
282 unsigned long long ct = get_ticks();
283
284 /*
285 * Don't allow watch-dog triggering more frequently than
286 * the predefined value CONFIG_WD_MAX_RATE [ticks].
287 */
288 if (ct >= gd->wdt_last) {
289 if ((ct - gd->wdt_last) < CONFIG_WD_MAX_RATE)
290 return;
291 } else {
292 /* Time base counter had been reset */
293 if (((unsigned long long)(-1) - gd->wdt_last + ct) <
294 CONFIG_WD_MAX_RATE)
295 return;
296 }
297 gd->wdt_last = get_ticks();
298#endif
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299
300 /*
301 * Toggle watchdog output
302 */
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JCPV
303 val = gpio_read_out_bit(CONFIG_SYS_GPIO_WATCHDOG) == 0 ? 1 : 0;
304 gpio_write_bit(CONFIG_SYS_GPIO_WATCHDOG, val);
b765ffb7 305}
c25dd8fc
SR
306
307int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
308{
309 if (argc < 2) {
62c3ae7c 310 cmd_usage(cmdtp);
c25dd8fc
SR
311 return 1;
312 }
313
314 if ((strcmp(argv[1], "on") == 0)) {
6d0f6bcf 315 gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 1);
c25dd8fc 316 } else if ((strcmp(argv[1], "off") == 0)) {
6d0f6bcf 317 gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 0);
c25dd8fc 318 } else {
62c3ae7c 319 cmd_usage(cmdtp);
c25dd8fc
SR
320 return 1;
321 }
322
323
324 return 0;
325}
326
327U_BOOT_CMD(
328 eepromwp, 2, 0, do_eeprom_wp,
2fb2604d 329 "eeprom write protect off/on",
a89c33db 330 "<on|off> - enable (on) or disable (off) I2C EEPROM write protect"
c25dd8fc 331);
d610a607
AG
332
333#if defined(CONFIG_VIDEO)
334#include <video_fb.h>
335#include <mb862xx.h>
336
337extern GraphicDevice mb862xx;
338
339static const gdc_regs init_regs [] =
340{
341 {0x0100, 0x00000f00},
342 {0x0020, 0x801401df},
343 {0x0024, 0x00000000},
344 {0x0028, 0x00000000},
345 {0x002c, 0x00000000},
346 {0x0110, 0x00000000},
347 {0x0114, 0x00000000},
348 {0x0118, 0x01df0280},
349 {0x0004, 0x031f0000},
350 {0x0008, 0x027f027f},
351 {0x000c, 0x015f028f},
352 {0x0010, 0x020c0000},
353 {0x0014, 0x01df01ea},
354 {0x0018, 0x00000000},
355 {0x001c, 0x01e00280},
356 {0x0100, 0x80010f00},
357 {0x0, 0x0}
358};
359
360const gdc_regs *board_get_regs (void)
361{
362 return init_regs;
363}
364
365/* Returns Lime base address */
366unsigned int board_video_init (void)
367{
368 /*
369 * Reset Lime controller
370 */
6d0f6bcf 371 gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1);
d610a607 372 udelay(500);
6d0f6bcf 373 gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1);
d610a607 374
d610a607
AG
375 mb862xx.winSizeX = 640;
376 mb862xx.winSizeY = 480;
377 mb862xx.gdfBytesPP = 2;
378 mb862xx.gdfIndex = GDF_15BIT_555RGB;
379
6d0f6bcf 380 return CONFIG_SYS_LIME_BASE_0;
d610a607
AG
381}
382
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YT
383#define DEFAULT_BRIGHTNESS 0x64
384
385static void board_backlight_brightness(int brightness)
d610a607 386{
0f855a1f 387 if (brightness > 0) {
d610a607 388 /* pwm duty, lamp on */
6d0f6bcf
JCPV
389 out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), brightness);
390 out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x701);
d610a607
AG
391 } else {
392 /* lamp off */
6d0f6bcf
JCPV
393 out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), 0x00);
394 out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x00);
d610a607
AG
395 }
396}
397
0f855a1f
YT
398void board_backlight_switch (int flag)
399{
400 char * param;
401 int rc;
402
403 if (flag) {
404 param = getenv("brightness");
405 rc = param ? simple_strtol(param, NULL, 10) : -1;
406 if (rc < 0)
407 rc = DEFAULT_BRIGHTNESS;
408 } else {
409 rc = 0;
410 }
411 board_backlight_brightness(rc);
412}
413
d610a607
AG
414#if defined(CONFIG_CONSOLE_EXTRA_INFO)
415/*
416 * Return text to be printed besides the logo.
417 */
418void video_get_info_str (int line_number, char *info)
419{
420 if (line_number == 1) {
421 strcpy (info, " Board: Lwmon5 (Liebherr Elektronik GmbH)");
422 } else {
423 info [0] = '\0';
424 }
425}
426#endif
427#endif /* CONFIG_VIDEO */
ff818b21
YT
428
429void board_reset(void)
430{
6d0f6bcf 431 gpio_write_bit(CONFIG_SYS_GPIO_BOARD_RESET, 1);
ff818b21 432}