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5d108ac8 SP |
1 | /* |
2 | * (C) Copyright 2008 | |
3 | * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com. | |
4 | * | |
5 | * Copyright 2004 Freescale Semiconductor. | |
6 | * (C) Copyright 2002,2003, Motorola Inc. | |
7 | * Xianghua Xiao, (X.Xiao@motorola.com) | |
8 | * | |
9 | * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> | |
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 | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * 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 <pci.h> | |
32 | #include <asm/processor.h> | |
33 | #include <asm/immap_85xx.h> | |
34 | #include <ioports.h> | |
35 | #include <flash.h> | |
e18575d5 SP |
36 | #include <libfdt.h> |
37 | #include <fdt_support.h> | |
e1eb0e25 | 38 | #include <asm/io.h> |
fb661ea4 | 39 | #include <i2c.h> |
40 | #include <mb862xx.h> | |
41 | #include <video_fb.h> | |
59abd15b | 42 | #include "upm_table.h" |
3e79b588 | 43 | |
5d108ac8 SP |
44 | DECLARE_GLOBAL_DATA_PTR; |
45 | ||
46 | extern flash_info_t flash_info[]; /* FLASH chips info */ | |
fb661ea4 | 47 | extern GraphicDevice mb862xx; |
5d108ac8 SP |
48 | |
49 | void local_bus_init (void); | |
50 | ulong flash_get_size (ulong base, int banknum); | |
51 | ||
52 | int checkboard (void) | |
53 | { | |
6d0f6bcf | 54 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
f0c0b3a9 | 55 | char buf[64]; |
5e1882df | 56 | int f; |
f0c0b3a9 WD |
57 | int i = getenv_f("serial#", buf, sizeof(buf)); |
58 | #ifdef CONFIG_PCI | |
59 | char *src; | |
60 | #endif | |
5d108ac8 SP |
61 | |
62 | puts("Board: Socrates"); | |
f0c0b3a9 | 63 | if (i > 0) { |
5d108ac8 | 64 | puts(", serial# "); |
f0c0b3a9 | 65 | puts(buf); |
5d108ac8 SP |
66 | } |
67 | putc('\n'); | |
68 | ||
69 | #ifdef CONFIG_PCI | |
e1eb0e25 AF |
70 | /* Check the PCI_clk sel bit */ |
71 | if (in_be32(&gur->porpllsr) & (1<<15)) { | |
5e1882df SP |
72 | src = "SYSCLK"; |
73 | f = CONFIG_SYS_CLK_FREQ; | |
74 | } else { | |
75 | src = "PCI_CLK"; | |
76 | f = CONFIG_PCI_CLK_FREQ; | |
77 | } | |
78 | printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src); | |
5d108ac8 SP |
79 | #else |
80 | printf ("PCI1: disabled\n"); | |
81 | #endif | |
82 | ||
83 | /* | |
84 | * Initialize local bus. | |
85 | */ | |
86 | local_bus_init (); | |
5d108ac8 SP |
87 | return 0; |
88 | } | |
89 | ||
90 | int misc_init_r (void) | |
91 | { | |
5d108ac8 SP |
92 | /* |
93 | * Adjust flash start and offset to detected values | |
94 | */ | |
95 | gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; | |
96 | gd->bd->bi_flashoffset = 0; | |
97 | ||
98 | /* | |
99 | * Check if boot FLASH isn't max size | |
100 | */ | |
6d0f6bcf | 101 | if (gd->bd->bi_flashsize < (0 - CONFIG_SYS_FLASH0)) { |
f51cdaf1 BB |
102 | set_lbc_or(0, gd->bd->bi_flashstart | |
103 | (CONFIG_SYS_OR0_PRELIM & 0x00007fff)); | |
104 | set_lbc_br(0, gd->bd->bi_flashstart | | |
105 | (CONFIG_SYS_BR0_PRELIM & 0x00007fff)); | |
5d108ac8 SP |
106 | |
107 | /* | |
108 | * Re-check to get correct base address | |
109 | */ | |
6d0f6bcf | 110 | flash_get_size(gd->bd->bi_flashstart, CONFIG_SYS_MAX_FLASH_BANKS - 1); |
5d108ac8 SP |
111 | } |
112 | ||
113 | /* | |
114 | * Check if only one FLASH bank is available | |
115 | */ | |
6d0f6bcf | 116 | if (gd->bd->bi_flashsize != CONFIG_SYS_MAX_FLASH_BANKS * (0 - CONFIG_SYS_FLASH0)) { |
f51cdaf1 BB |
117 | set_lbc_or(1, 0); |
118 | set_lbc_br(1, 0); | |
5d108ac8 SP |
119 | |
120 | /* | |
121 | * Re-do flash protection upon new addresses | |
122 | */ | |
123 | flash_protect (FLAG_PROTECT_CLEAR, | |
124 | gd->bd->bi_flashstart, 0xffffffff, | |
6d0f6bcf | 125 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
5d108ac8 SP |
126 | |
127 | /* Monitor protection ON by default */ | |
128 | flash_protect (FLAG_PROTECT_SET, | |
6d0f6bcf JCPV |
129 | CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, |
130 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); | |
5d108ac8 SP |
131 | |
132 | /* Environment protection ON by default */ | |
133 | flash_protect (FLAG_PROTECT_SET, | |
0e8d1586 JCPV |
134 | CONFIG_ENV_ADDR, |
135 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, | |
6d0f6bcf | 136 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
5d108ac8 SP |
137 | |
138 | /* Redundant environment protection ON by default */ | |
139 | flash_protect (FLAG_PROTECT_SET, | |
0e8d1586 | 140 | CONFIG_ENV_ADDR_REDUND, |
dfcd7f21 | 141 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, |
6d0f6bcf | 142 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
5d108ac8 SP |
143 | } |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | /* | |
149 | * Initialize Local Bus | |
150 | */ | |
151 | void local_bus_init (void) | |
152 | { | |
f51cdaf1 | 153 | volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
6d0f6bcf | 154 | volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); |
3e79b588 DZ |
155 | sys_info_t sysinfo; |
156 | uint clkdiv; | |
157 | uint lbc_mhz; | |
6d0f6bcf | 158 | uint lcrr = CONFIG_SYS_LBC_LCRR; |
3e79b588 DZ |
159 | |
160 | get_sys_info (&sysinfo); | |
a5d212a2 | 161 | clkdiv = lbc->lcrr & LCRR_CLKDIV; |
3e79b588 DZ |
162 | lbc_mhz = sysinfo.freqSystemBus / 1000000 / clkdiv; |
163 | ||
164 | /* Disable PLL bypass for Local Bus Clock >= 66 MHz */ | |
165 | if (lbc_mhz >= 66) | |
166 | lcrr &= ~LCRR_DBYP; /* DLL Enabled */ | |
167 | else | |
168 | lcrr |= LCRR_DBYP; /* DLL Bypass */ | |
169 | ||
170 | out_be32 (&lbc->lcrr, lcrr); | |
171 | asm ("sync;isync;msync"); | |
5d108ac8 | 172 | |
3e79b588 DZ |
173 | out_be32 (&lbc->ltesr, 0xffffffff); /* Clear LBC error interrupts */ |
174 | out_be32 (&lbc->lteir, 0xffffffff); /* Enable LBC error interrupts */ | |
175 | out_be32 (&ecm->eedr, 0xffffffff); /* Clear ecm errors */ | |
176 | out_be32 (&ecm->eeer, 0xffffffff); /* Enable ecm errors */ | |
5d108ac8 | 177 | |
3e79b588 DZ |
178 | /* Init UPMA for FPGA access */ |
179 | out_be32 (&lbc->mamr, 0x44440); /* Use a customer-supplied value */ | |
180 | upmconfig (UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int)); | |
e64987a8 | 181 | |
fb661ea4 | 182 | /* Init UPMB for Lime controller access */ |
183 | out_be32 (&lbc->mbmr, 0x444440); /* Use a customer-supplied value */ | |
184 | upmconfig (UPMB, (uint *)UPMTableB, sizeof(UPMTableB)/sizeof(int)); | |
5d108ac8 SP |
185 | } |
186 | ||
187 | #if defined(CONFIG_PCI) | |
188 | /* | |
189 | * Initialize PCI Devices, report devices found. | |
190 | */ | |
191 | ||
192 | #ifndef CONFIG_PCI_PNP | |
193 | static struct pci_config_table pci_mpc85xxads_config_table[] = { | |
194 | {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | |
195 | PCI_IDSEL_NUMBER, PCI_ANY_ID, | |
196 | pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, | |
197 | PCI_ENET0_MEMADDR, | |
198 | PCI_COMMAND_MEMORY | | |
199 | PCI_COMMAND_MASTER}}, | |
200 | {} | |
201 | }; | |
202 | #endif | |
203 | ||
204 | ||
205 | static struct pci_controller hose = { | |
206 | #ifndef CONFIG_PCI_PNP | |
207 | config_table:pci_mpc85xxads_config_table, | |
208 | #endif | |
209 | }; | |
210 | ||
211 | #endif /* CONFIG_PCI */ | |
212 | ||
213 | ||
214 | void pci_init_board (void) | |
215 | { | |
216 | #ifdef CONFIG_PCI | |
217 | pci_mpc85xx_init (&hose); | |
218 | #endif /* CONFIG_PCI */ | |
219 | } | |
220 | ||
221 | #ifdef CONFIG_BOARD_EARLY_INIT_R | |
222 | int board_early_init_r (void) | |
223 | { | |
6d0f6bcf | 224 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
3e79b588 DZ |
225 | |
226 | /* set and reset the GPIO pin 2 which will reset the W83782G chip */ | |
227 | out_8((unsigned char*)&gur->gpoutdr, 0x3F ); | |
228 | out_be32((unsigned int*)&gur->gpiocr, 0x200 ); /* enable GPOut */ | |
229 | udelay(200); | |
230 | out_8( (unsigned char*)&gur->gpoutdr, 0x1F ); | |
231 | ||
5d108ac8 SP |
232 | return (0); |
233 | } | |
234 | #endif /* CONFIG_BOARD_EARLY_INIT_R */ | |
e18575d5 SP |
235 | |
236 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) | |
237 | void | |
238 | ft_board_setup(void *blob, bd_t *bd) | |
239 | { | |
3e79b588 DZ |
240 | u32 val[12]; |
241 | int rc, i = 0; | |
e18575d5 SP |
242 | |
243 | ft_cpu_setup(blob, bd); | |
244 | ||
3e79b588 DZ |
245 | /* Fixup NOR FLASH mapping */ |
246 | val[i++] = 0; /* chip select number */ | |
247 | val[i++] = 0; /* always 0 */ | |
248 | val[i++] = gd->bd->bi_flashstart; | |
249 | val[i++] = gd->bd->bi_flashsize; | |
e18575d5 | 250 | |
6d0f6bcf | 251 | if (mb862xx.frameAdrs == CONFIG_SYS_LIME_BASE) { |
e64987a8 AG |
252 | /* Fixup LIME mapping */ |
253 | val[i++] = 2; /* chip select number */ | |
254 | val[i++] = 0; /* always 0 */ | |
6d0f6bcf JCPV |
255 | val[i++] = CONFIG_SYS_LIME_BASE; |
256 | val[i++] = CONFIG_SYS_LIME_SIZE; | |
e64987a8 AG |
257 | } |
258 | ||
3e79b588 DZ |
259 | /* Fixup FPGA mapping */ |
260 | val[i++] = 3; /* chip select number */ | |
261 | val[i++] = 0; /* always 0 */ | |
6d0f6bcf JCPV |
262 | val[i++] = CONFIG_SYS_FPGA_BASE; |
263 | val[i++] = CONFIG_SYS_FPGA_SIZE; | |
a23cddde | 264 | |
3e79b588 DZ |
265 | rc = fdt_find_and_setprop(blob, "/localbus", "ranges", |
266 | val, i * sizeof(u32), 1); | |
a23cddde | 267 | if (rc) |
3e79b588 | 268 | printf("Unable to update localbus ranges, err=%s\n", |
a23cddde | 269 | fdt_strerror(rc)); |
e18575d5 SP |
270 | } |
271 | #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ | |
e64987a8 | 272 | |
e64987a8 AG |
273 | #define DEFAULT_BRIGHTNESS 25 |
274 | #define BACKLIGHT_ENABLE (1 << 31) | |
275 | ||
e64987a8 AG |
276 | static const gdc_regs init_regs [] = |
277 | { | |
278 | {0x0100, 0x00010f00}, | |
279 | {0x0020, 0x801901df}, | |
280 | {0x0024, 0x00000000}, | |
281 | {0x0028, 0x00000000}, | |
282 | {0x002c, 0x00000000}, | |
283 | {0x0110, 0x00000000}, | |
284 | {0x0114, 0x00000000}, | |
285 | {0x0118, 0x01df0320}, | |
286 | {0x0004, 0x041f0000}, | |
287 | {0x0008, 0x031f031f}, | |
288 | {0x000c, 0x017f0349}, | |
289 | {0x0010, 0x020c0000}, | |
290 | {0x0014, 0x01df01e9}, | |
291 | {0x0018, 0x00000000}, | |
292 | {0x001c, 0x01e00320}, | |
293 | {0x0100, 0x80010f00}, | |
294 | {0x0, 0x0} | |
295 | }; | |
296 | ||
297 | const gdc_regs *board_get_regs (void) | |
298 | { | |
299 | return init_regs; | |
300 | } | |
301 | ||
fb661ea4 | 302 | int lime_probe(void) |
303 | { | |
fb661ea4 | 304 | uint cfg_br2; |
305 | uint cfg_or2; | |
c28d3bbe | 306 | int type; |
fb661ea4 | 307 | |
f51cdaf1 BB |
308 | cfg_br2 = get_lbc_br(2); |
309 | cfg_or2 = get_lbc_or(2); | |
fb661ea4 | 310 | |
311 | /* Configure GPCM for CS2 */ | |
f51cdaf1 BB |
312 | set_lbc_br(2, 0); |
313 | set_lbc_or(2, 0xfc000410); | |
314 | set_lbc_br(2, (CONFIG_SYS_LIME_BASE) | 0x00001901); | |
fb661ea4 | 315 | |
c28d3bbe WG |
316 | /* Get controller type */ |
317 | type = mb862xx_probe(CONFIG_SYS_LIME_BASE); | |
fb661ea4 | 318 | |
319 | /* Restore previous CS2 configuration */ | |
f51cdaf1 BB |
320 | set_lbc_br(2, 0); |
321 | set_lbc_or(2, cfg_or2); | |
322 | set_lbc_br(2, cfg_br2); | |
c28d3bbe WG |
323 | |
324 | return (type == MB862XX_TYPE_LIME) ? 1 : 0; | |
fb661ea4 | 325 | } |
326 | ||
e64987a8 AG |
327 | /* Returns Lime base address */ |
328 | unsigned int board_video_init (void) | |
329 | { | |
fb661ea4 | 330 | if (!lime_probe()) |
e64987a8 AG |
331 | return 0; |
332 | ||
c28d3bbe WG |
333 | mb862xx.winSizeX = 800; |
334 | mb862xx.winSizeY = 480; | |
e64987a8 AG |
335 | mb862xx.gdfIndex = GDF_15BIT_555RGB; |
336 | mb862xx.gdfBytesPP = 2; | |
337 | ||
6d0f6bcf | 338 | return CONFIG_SYS_LIME_BASE; |
e64987a8 AG |
339 | } |
340 | ||
341 | #define W83782D_REG_CFG 0x40 | |
342 | #define W83782D_REG_BANK_SEL 0x4e | |
343 | #define W83782D_REG_ADCCLK 0x4b | |
344 | #define W83782D_REG_BEEP_CTRL 0x4d | |
345 | #define W83782D_REG_BEEP_CTRL2 0x57 | |
346 | #define W83782D_REG_PWMOUT1 0x5b | |
347 | #define W83782D_REG_VBAT 0x5d | |
348 | ||
349 | static int w83782d_hwmon_init(void) | |
350 | { | |
351 | u8 buf; | |
352 | ||
6d0f6bcf | 353 | if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1)) |
e64987a8 AG |
354 | return -1; |
355 | ||
6d0f6bcf JCPV |
356 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 0x80); |
357 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BANK_SEL, 0); | |
358 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_ADCCLK, 0x40); | |
e64987a8 | 359 | |
6d0f6bcf JCPV |
360 | buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL); |
361 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL, | |
e64987a8 | 362 | buf | 0x80); |
6d0f6bcf JCPV |
363 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL2, 0); |
364 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_PWMOUT1, 0x47); | |
365 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_VBAT, 0x01); | |
e64987a8 | 366 | |
6d0f6bcf JCPV |
367 | buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG); |
368 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, | |
e64987a8 AG |
369 | (buf & 0xf4) | 0x01); |
370 | return 0; | |
371 | } | |
372 | ||
373 | static void board_backlight_brightness(int br) | |
374 | { | |
375 | u32 reg; | |
376 | u8 buf; | |
377 | u8 old_buf; | |
378 | ||
379 | /* Select bank 0 */ | |
6d0f6bcf | 380 | if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1)) |
e64987a8 AG |
381 | goto err; |
382 | else | |
383 | buf = old_buf & 0xf8; | |
384 | ||
6d0f6bcf | 385 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &buf, 1)) |
e64987a8 AG |
386 | goto err; |
387 | ||
388 | if (br > 0) { | |
389 | /* PWMOUT1 duty cycle ctrl */ | |
390 | buf = 255 / (100 / br); | |
6d0f6bcf | 391 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1)) |
e64987a8 AG |
392 | goto err; |
393 | ||
394 | /* LEDs on */ | |
6d0f6bcf | 395 | reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c)); |
e64987a8 | 396 | if (!(reg & BACKLIGHT_ENABLE)); |
6d0f6bcf | 397 | out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), |
e64987a8 AG |
398 | reg | BACKLIGHT_ENABLE); |
399 | } else { | |
400 | buf = 0; | |
6d0f6bcf | 401 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1)) |
e64987a8 AG |
402 | goto err; |
403 | ||
404 | /* LEDs off */ | |
6d0f6bcf | 405 | reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c)); |
e64987a8 | 406 | reg &= ~BACKLIGHT_ENABLE; |
6d0f6bcf | 407 | out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), reg); |
e64987a8 AG |
408 | } |
409 | /* Restore previous bank setting */ | |
6d0f6bcf | 410 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1)) |
e64987a8 AG |
411 | goto err; |
412 | ||
413 | return; | |
414 | err: | |
415 | printf("W83782G I2C access failed\n"); | |
416 | } | |
417 | ||
418 | void board_backlight_switch (int flag) | |
419 | { | |
420 | char * param; | |
421 | int rc; | |
422 | ||
423 | if (w83782d_hwmon_init()) | |
424 | printf ("hwmon IC init failed\n"); | |
425 | ||
426 | if (flag) { | |
427 | param = getenv("brightness"); | |
428 | rc = param ? simple_strtol(param, NULL, 10) : -1; | |
429 | if (rc < 0) | |
430 | rc = DEFAULT_BRIGHTNESS; | |
431 | } else { | |
432 | rc = 0; | |
433 | } | |
434 | board_backlight_brightness(rc); | |
435 | } | |
436 | ||
437 | #if defined(CONFIG_CONSOLE_EXTRA_INFO) | |
438 | /* | |
439 | * Return text to be printed besides the logo. | |
440 | */ | |
441 | void video_get_info_str (int line_number, char *info) | |
442 | { | |
443 | if (line_number == 1) { | |
444 | strcpy (info, " Board: Socrates"); | |
445 | } else { | |
446 | info [0] = '\0'; | |
447 | } | |
448 | } | |
449 | #endif |