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Commit | Line | Data |
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5d108ac8 SP |
1 | /* |
2 | * (C) Copyright 2008 | |
3 | * Sergei Poselenov, Emcraft Systems, [email protected]. | |
4 | * | |
5 | * Copyright 2004 Freescale Semiconductor. | |
6 | * (C) Copyright 2002,2003, Motorola Inc. | |
7 | * Xianghua Xiao, ([email protected]) | |
8 | * | |
9 | * (C) Copyright 2002 Scott McNutt <[email protected]> | |
10 | * | |
1a459660 | 11 | * SPDX-License-Identifier: GPL-2.0+ |
5d108ac8 SP |
12 | */ |
13 | ||
14 | #include <common.h> | |
15 | #include <pci.h> | |
16 | #include <asm/processor.h> | |
17 | #include <asm/immap_85xx.h> | |
18 | #include <ioports.h> | |
19 | #include <flash.h> | |
b08c8c48 | 20 | #include <linux/libfdt.h> |
e18575d5 | 21 | #include <fdt_support.h> |
e1eb0e25 | 22 | #include <asm/io.h> |
fb661ea4 | 23 | #include <i2c.h> |
24 | #include <mb862xx.h> | |
25 | #include <video_fb.h> | |
59abd15b | 26 | #include "upm_table.h" |
3e79b588 | 27 | |
5d108ac8 SP |
28 | DECLARE_GLOBAL_DATA_PTR; |
29 | ||
30 | extern flash_info_t flash_info[]; /* FLASH chips info */ | |
fb661ea4 | 31 | extern GraphicDevice mb862xx; |
5d108ac8 SP |
32 | |
33 | void local_bus_init (void); | |
34 | ulong flash_get_size (ulong base, int banknum); | |
35 | ||
36 | int checkboard (void) | |
37 | { | |
6d0f6bcf | 38 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
f0c0b3a9 | 39 | char buf[64]; |
5e1882df | 40 | int f; |
00caae6d | 41 | int i = env_get_f("serial#", buf, sizeof(buf)); |
f0c0b3a9 WD |
42 | #ifdef CONFIG_PCI |
43 | char *src; | |
44 | #endif | |
5d108ac8 SP |
45 | |
46 | puts("Board: Socrates"); | |
f0c0b3a9 | 47 | if (i > 0) { |
5d108ac8 | 48 | puts(", serial# "); |
f0c0b3a9 | 49 | puts(buf); |
5d108ac8 SP |
50 | } |
51 | putc('\n'); | |
52 | ||
53 | #ifdef CONFIG_PCI | |
e1eb0e25 AF |
54 | /* Check the PCI_clk sel bit */ |
55 | if (in_be32(&gur->porpllsr) & (1<<15)) { | |
5e1882df SP |
56 | src = "SYSCLK"; |
57 | f = CONFIG_SYS_CLK_FREQ; | |
58 | } else { | |
59 | src = "PCI_CLK"; | |
60 | f = CONFIG_PCI_CLK_FREQ; | |
61 | } | |
62 | printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src); | |
5d108ac8 SP |
63 | #else |
64 | printf ("PCI1: disabled\n"); | |
65 | #endif | |
66 | ||
67 | /* | |
68 | * Initialize local bus. | |
69 | */ | |
70 | local_bus_init (); | |
5d108ac8 SP |
71 | return 0; |
72 | } | |
73 | ||
74 | int misc_init_r (void) | |
75 | { | |
5d108ac8 SP |
76 | /* |
77 | * Adjust flash start and offset to detected values | |
78 | */ | |
79 | gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; | |
80 | gd->bd->bi_flashoffset = 0; | |
81 | ||
82 | /* | |
83 | * Check if boot FLASH isn't max size | |
84 | */ | |
6d0f6bcf | 85 | if (gd->bd->bi_flashsize < (0 - CONFIG_SYS_FLASH0)) { |
f51cdaf1 BB |
86 | set_lbc_or(0, gd->bd->bi_flashstart | |
87 | (CONFIG_SYS_OR0_PRELIM & 0x00007fff)); | |
88 | set_lbc_br(0, gd->bd->bi_flashstart | | |
89 | (CONFIG_SYS_BR0_PRELIM & 0x00007fff)); | |
5d108ac8 SP |
90 | |
91 | /* | |
92 | * Re-check to get correct base address | |
93 | */ | |
6d0f6bcf | 94 | flash_get_size(gd->bd->bi_flashstart, CONFIG_SYS_MAX_FLASH_BANKS - 1); |
5d108ac8 SP |
95 | } |
96 | ||
97 | /* | |
98 | * Check if only one FLASH bank is available | |
99 | */ | |
6d0f6bcf | 100 | if (gd->bd->bi_flashsize != CONFIG_SYS_MAX_FLASH_BANKS * (0 - CONFIG_SYS_FLASH0)) { |
f51cdaf1 BB |
101 | set_lbc_or(1, 0); |
102 | set_lbc_br(1, 0); | |
5d108ac8 SP |
103 | |
104 | /* | |
105 | * Re-do flash protection upon new addresses | |
106 | */ | |
107 | flash_protect (FLAG_PROTECT_CLEAR, | |
108 | gd->bd->bi_flashstart, 0xffffffff, | |
6d0f6bcf | 109 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
5d108ac8 SP |
110 | |
111 | /* Monitor protection ON by default */ | |
112 | flash_protect (FLAG_PROTECT_SET, | |
6d0f6bcf JCPV |
113 | CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, |
114 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); | |
5d108ac8 SP |
115 | |
116 | /* Environment protection ON by default */ | |
117 | flash_protect (FLAG_PROTECT_SET, | |
0e8d1586 JCPV |
118 | CONFIG_ENV_ADDR, |
119 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, | |
6d0f6bcf | 120 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
5d108ac8 SP |
121 | |
122 | /* Redundant environment protection ON by default */ | |
123 | flash_protect (FLAG_PROTECT_SET, | |
0e8d1586 | 124 | CONFIG_ENV_ADDR_REDUND, |
dfcd7f21 | 125 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, |
6d0f6bcf | 126 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
5d108ac8 SP |
127 | } |
128 | ||
129 | return 0; | |
130 | } | |
131 | ||
132 | /* | |
133 | * Initialize Local Bus | |
134 | */ | |
135 | void local_bus_init (void) | |
136 | { | |
f51cdaf1 | 137 | volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
6d0f6bcf | 138 | volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); |
3e79b588 DZ |
139 | sys_info_t sysinfo; |
140 | uint clkdiv; | |
141 | uint lbc_mhz; | |
6d0f6bcf | 142 | uint lcrr = CONFIG_SYS_LBC_LCRR; |
3e79b588 DZ |
143 | |
144 | get_sys_info (&sysinfo); | |
a5d212a2 | 145 | clkdiv = lbc->lcrr & LCRR_CLKDIV; |
997399fa | 146 | lbc_mhz = sysinfo.freq_systembus / 1000000 / clkdiv; |
3e79b588 DZ |
147 | |
148 | /* Disable PLL bypass for Local Bus Clock >= 66 MHz */ | |
149 | if (lbc_mhz >= 66) | |
150 | lcrr &= ~LCRR_DBYP; /* DLL Enabled */ | |
151 | else | |
152 | lcrr |= LCRR_DBYP; /* DLL Bypass */ | |
153 | ||
154 | out_be32 (&lbc->lcrr, lcrr); | |
155 | asm ("sync;isync;msync"); | |
5d108ac8 | 156 | |
3e79b588 DZ |
157 | out_be32 (&lbc->ltesr, 0xffffffff); /* Clear LBC error interrupts */ |
158 | out_be32 (&lbc->lteir, 0xffffffff); /* Enable LBC error interrupts */ | |
159 | out_be32 (&ecm->eedr, 0xffffffff); /* Clear ecm errors */ | |
160 | out_be32 (&ecm->eeer, 0xffffffff); /* Enable ecm errors */ | |
5d108ac8 | 161 | |
3e79b588 DZ |
162 | /* Init UPMA for FPGA access */ |
163 | out_be32 (&lbc->mamr, 0x44440); /* Use a customer-supplied value */ | |
164 | upmconfig (UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int)); | |
e64987a8 | 165 | |
fb661ea4 | 166 | /* Init UPMB for Lime controller access */ |
167 | out_be32 (&lbc->mbmr, 0x444440); /* Use a customer-supplied value */ | |
168 | upmconfig (UPMB, (uint *)UPMTableB, sizeof(UPMTableB)/sizeof(int)); | |
5d108ac8 SP |
169 | } |
170 | ||
171 | #if defined(CONFIG_PCI) | |
172 | /* | |
173 | * Initialize PCI Devices, report devices found. | |
174 | */ | |
175 | ||
176 | #ifndef CONFIG_PCI_PNP | |
177 | static struct pci_config_table pci_mpc85xxads_config_table[] = { | |
178 | {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | |
179 | PCI_IDSEL_NUMBER, PCI_ANY_ID, | |
180 | pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, | |
181 | PCI_ENET0_MEMADDR, | |
182 | PCI_COMMAND_MEMORY | | |
183 | PCI_COMMAND_MASTER}}, | |
184 | {} | |
185 | }; | |
186 | #endif | |
187 | ||
188 | ||
189 | static struct pci_controller hose = { | |
190 | #ifndef CONFIG_PCI_PNP | |
191 | config_table:pci_mpc85xxads_config_table, | |
192 | #endif | |
193 | }; | |
194 | ||
195 | #endif /* CONFIG_PCI */ | |
196 | ||
197 | ||
198 | void pci_init_board (void) | |
199 | { | |
200 | #ifdef CONFIG_PCI | |
201 | pci_mpc85xx_init (&hose); | |
202 | #endif /* CONFIG_PCI */ | |
203 | } | |
204 | ||
205 | #ifdef CONFIG_BOARD_EARLY_INIT_R | |
206 | int board_early_init_r (void) | |
207 | { | |
6d0f6bcf | 208 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
3e79b588 DZ |
209 | |
210 | /* set and reset the GPIO pin 2 which will reset the W83782G chip */ | |
211 | out_8((unsigned char*)&gur->gpoutdr, 0x3F ); | |
212 | out_be32((unsigned int*)&gur->gpiocr, 0x200 ); /* enable GPOut */ | |
213 | udelay(200); | |
214 | out_8( (unsigned char*)&gur->gpoutdr, 0x1F ); | |
215 | ||
5d108ac8 SP |
216 | return (0); |
217 | } | |
218 | #endif /* CONFIG_BOARD_EARLY_INIT_R */ | |
e18575d5 | 219 | |
7ffe3cd6 | 220 | #ifdef CONFIG_OF_BOARD_SETUP |
e895a4b0 | 221 | int ft_board_setup(void *blob, bd_t *bd) |
e18575d5 | 222 | { |
3e79b588 DZ |
223 | u32 val[12]; |
224 | int rc, i = 0; | |
e18575d5 SP |
225 | |
226 | ft_cpu_setup(blob, bd); | |
227 | ||
3e79b588 DZ |
228 | /* Fixup NOR FLASH mapping */ |
229 | val[i++] = 0; /* chip select number */ | |
230 | val[i++] = 0; /* always 0 */ | |
231 | val[i++] = gd->bd->bi_flashstart; | |
232 | val[i++] = gd->bd->bi_flashsize; | |
e18575d5 | 233 | |
6d0f6bcf | 234 | if (mb862xx.frameAdrs == CONFIG_SYS_LIME_BASE) { |
e64987a8 AG |
235 | /* Fixup LIME mapping */ |
236 | val[i++] = 2; /* chip select number */ | |
237 | val[i++] = 0; /* always 0 */ | |
6d0f6bcf JCPV |
238 | val[i++] = CONFIG_SYS_LIME_BASE; |
239 | val[i++] = CONFIG_SYS_LIME_SIZE; | |
e64987a8 AG |
240 | } |
241 | ||
3e79b588 DZ |
242 | /* Fixup FPGA mapping */ |
243 | val[i++] = 3; /* chip select number */ | |
244 | val[i++] = 0; /* always 0 */ | |
6d0f6bcf JCPV |
245 | val[i++] = CONFIG_SYS_FPGA_BASE; |
246 | val[i++] = CONFIG_SYS_FPGA_SIZE; | |
a23cddde | 247 | |
3e79b588 DZ |
248 | rc = fdt_find_and_setprop(blob, "/localbus", "ranges", |
249 | val, i * sizeof(u32), 1); | |
a23cddde | 250 | if (rc) |
3e79b588 | 251 | printf("Unable to update localbus ranges, err=%s\n", |
a23cddde | 252 | fdt_strerror(rc)); |
e895a4b0 SG |
253 | |
254 | return 0; | |
e18575d5 | 255 | } |
7ffe3cd6 | 256 | #endif /* CONFIG_OF_BOARD_SETUP */ |
e64987a8 | 257 | |
e64987a8 AG |
258 | #define DEFAULT_BRIGHTNESS 25 |
259 | #define BACKLIGHT_ENABLE (1 << 31) | |
260 | ||
e64987a8 AG |
261 | static const gdc_regs init_regs [] = |
262 | { | |
263 | {0x0100, 0x00010f00}, | |
264 | {0x0020, 0x801901df}, | |
265 | {0x0024, 0x00000000}, | |
266 | {0x0028, 0x00000000}, | |
267 | {0x002c, 0x00000000}, | |
268 | {0x0110, 0x00000000}, | |
269 | {0x0114, 0x00000000}, | |
270 | {0x0118, 0x01df0320}, | |
271 | {0x0004, 0x041f0000}, | |
272 | {0x0008, 0x031f031f}, | |
273 | {0x000c, 0x017f0349}, | |
274 | {0x0010, 0x020c0000}, | |
275 | {0x0014, 0x01df01e9}, | |
276 | {0x0018, 0x00000000}, | |
277 | {0x001c, 0x01e00320}, | |
278 | {0x0100, 0x80010f00}, | |
279 | {0x0, 0x0} | |
280 | }; | |
281 | ||
282 | const gdc_regs *board_get_regs (void) | |
283 | { | |
284 | return init_regs; | |
285 | } | |
286 | ||
fb661ea4 | 287 | int lime_probe(void) |
288 | { | |
fb661ea4 | 289 | uint cfg_br2; |
290 | uint cfg_or2; | |
c28d3bbe | 291 | int type; |
fb661ea4 | 292 | |
f51cdaf1 BB |
293 | cfg_br2 = get_lbc_br(2); |
294 | cfg_or2 = get_lbc_or(2); | |
fb661ea4 | 295 | |
296 | /* Configure GPCM for CS2 */ | |
f51cdaf1 BB |
297 | set_lbc_br(2, 0); |
298 | set_lbc_or(2, 0xfc000410); | |
299 | set_lbc_br(2, (CONFIG_SYS_LIME_BASE) | 0x00001901); | |
fb661ea4 | 300 | |
c28d3bbe WG |
301 | /* Get controller type */ |
302 | type = mb862xx_probe(CONFIG_SYS_LIME_BASE); | |
fb661ea4 | 303 | |
304 | /* Restore previous CS2 configuration */ | |
f51cdaf1 BB |
305 | set_lbc_br(2, 0); |
306 | set_lbc_or(2, cfg_or2); | |
307 | set_lbc_br(2, cfg_br2); | |
c28d3bbe WG |
308 | |
309 | return (type == MB862XX_TYPE_LIME) ? 1 : 0; | |
fb661ea4 | 310 | } |
311 | ||
e64987a8 AG |
312 | /* Returns Lime base address */ |
313 | unsigned int board_video_init (void) | |
314 | { | |
fb661ea4 | 315 | if (!lime_probe()) |
e64987a8 AG |
316 | return 0; |
317 | ||
c28d3bbe WG |
318 | mb862xx.winSizeX = 800; |
319 | mb862xx.winSizeY = 480; | |
e64987a8 AG |
320 | mb862xx.gdfIndex = GDF_15BIT_555RGB; |
321 | mb862xx.gdfBytesPP = 2; | |
322 | ||
6d0f6bcf | 323 | return CONFIG_SYS_LIME_BASE; |
e64987a8 AG |
324 | } |
325 | ||
326 | #define W83782D_REG_CFG 0x40 | |
327 | #define W83782D_REG_BANK_SEL 0x4e | |
328 | #define W83782D_REG_ADCCLK 0x4b | |
329 | #define W83782D_REG_BEEP_CTRL 0x4d | |
330 | #define W83782D_REG_BEEP_CTRL2 0x57 | |
331 | #define W83782D_REG_PWMOUT1 0x5b | |
332 | #define W83782D_REG_VBAT 0x5d | |
333 | ||
334 | static int w83782d_hwmon_init(void) | |
335 | { | |
336 | u8 buf; | |
337 | ||
6d0f6bcf | 338 | if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1)) |
e64987a8 AG |
339 | return -1; |
340 | ||
6d0f6bcf JCPV |
341 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 0x80); |
342 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BANK_SEL, 0); | |
343 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_ADCCLK, 0x40); | |
e64987a8 | 344 | |
6d0f6bcf JCPV |
345 | buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL); |
346 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL, | |
e64987a8 | 347 | buf | 0x80); |
6d0f6bcf JCPV |
348 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL2, 0); |
349 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_PWMOUT1, 0x47); | |
350 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_VBAT, 0x01); | |
e64987a8 | 351 | |
6d0f6bcf JCPV |
352 | buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG); |
353 | i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, | |
e64987a8 AG |
354 | (buf & 0xf4) | 0x01); |
355 | return 0; | |
356 | } | |
357 | ||
358 | static void board_backlight_brightness(int br) | |
359 | { | |
360 | u32 reg; | |
361 | u8 buf; | |
362 | u8 old_buf; | |
363 | ||
364 | /* Select bank 0 */ | |
6d0f6bcf | 365 | if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1)) |
e64987a8 AG |
366 | goto err; |
367 | else | |
368 | buf = old_buf & 0xf8; | |
369 | ||
6d0f6bcf | 370 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &buf, 1)) |
e64987a8 AG |
371 | goto err; |
372 | ||
373 | if (br > 0) { | |
374 | /* PWMOUT1 duty cycle ctrl */ | |
375 | buf = 255 / (100 / br); | |
6d0f6bcf | 376 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1)) |
e64987a8 AG |
377 | goto err; |
378 | ||
379 | /* LEDs on */ | |
6d0f6bcf | 380 | reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c)); |
1f7efe82 | 381 | if (!(reg & BACKLIGHT_ENABLE)) |
6d0f6bcf | 382 | out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), |
e64987a8 AG |
383 | reg | BACKLIGHT_ENABLE); |
384 | } else { | |
385 | buf = 0; | |
6d0f6bcf | 386 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1)) |
e64987a8 AG |
387 | goto err; |
388 | ||
389 | /* LEDs off */ | |
6d0f6bcf | 390 | reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c)); |
e64987a8 | 391 | reg &= ~BACKLIGHT_ENABLE; |
6d0f6bcf | 392 | out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), reg); |
e64987a8 AG |
393 | } |
394 | /* Restore previous bank setting */ | |
6d0f6bcf | 395 | if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1)) |
e64987a8 AG |
396 | goto err; |
397 | ||
398 | return; | |
399 | err: | |
400 | printf("W83782G I2C access failed\n"); | |
401 | } | |
402 | ||
403 | void board_backlight_switch (int flag) | |
404 | { | |
405 | char * param; | |
406 | int rc; | |
407 | ||
408 | if (w83782d_hwmon_init()) | |
409 | printf ("hwmon IC init failed\n"); | |
410 | ||
411 | if (flag) { | |
00caae6d | 412 | param = env_get("brightness"); |
e64987a8 AG |
413 | rc = param ? simple_strtol(param, NULL, 10) : -1; |
414 | if (rc < 0) | |
415 | rc = DEFAULT_BRIGHTNESS; | |
416 | } else { | |
417 | rc = 0; | |
418 | } | |
419 | board_backlight_brightness(rc); | |
420 | } | |
421 | ||
422 | #if defined(CONFIG_CONSOLE_EXTRA_INFO) | |
423 | /* | |
424 | * Return text to be printed besides the logo. | |
425 | */ | |
426 | void video_get_info_str (int line_number, char *info) | |
427 | { | |
428 | if (line_number == 1) { | |
429 | strcpy (info, " Board: Socrates"); | |
430 | } else { | |
431 | info [0] = '\0'; | |
432 | } | |
433 | } | |
434 | #endif |