3 * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
5 * Copyright 2004 Freescale Semiconductor.
6 * (C) Copyright 2002,2003, Motorola Inc.
7 * Xianghua Xiao, (X.Xiao@motorola.com)
9 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
11 * See file CREDITS for list of people who contributed to this
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.
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.
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,
32 #include <asm/processor.h>
33 #include <asm/immap_85xx.h>
37 #include <fdt_support.h>
42 #include "upm_table.h"
44 DECLARE_GLOBAL_DATA_PTR;
46 extern flash_info_t flash_info[]; /* FLASH chips info */
47 extern GraphicDevice mb862xx;
49 void local_bus_init (void);
50 ulong flash_get_size (ulong base, int banknum);
54 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
58 char *s = getenv("serial#");
60 puts("Board: Socrates");
68 /* Check the PCI_clk sel bit */
69 if (in_be32(&gur->porpllsr) & (1<<15)) {
71 f = CONFIG_SYS_CLK_FREQ;
74 f = CONFIG_PCI_CLK_FREQ;
76 printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src);
78 printf ("PCI1: disabled\n");
82 * Initialize local bus.
88 int misc_init_r (void)
90 volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
93 * Adjust flash start and offset to detected values
95 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
96 gd->bd->bi_flashoffset = 0;
99 * Check if boot FLASH isn't max size
101 if (gd->bd->bi_flashsize < (0 - CONFIG_SYS_FLASH0)) {
102 memctl->or0 = gd->bd->bi_flashstart | (CONFIG_SYS_OR0_PRELIM & 0x00007fff);
103 memctl->br0 = gd->bd->bi_flashstart | (CONFIG_SYS_BR0_PRELIM & 0x00007fff);
106 * Re-check to get correct base address
108 flash_get_size(gd->bd->bi_flashstart, CONFIG_SYS_MAX_FLASH_BANKS - 1);
112 * Check if only one FLASH bank is available
114 if (gd->bd->bi_flashsize != CONFIG_SYS_MAX_FLASH_BANKS * (0 - CONFIG_SYS_FLASH0)) {
119 * Re-do flash protection upon new addresses
121 flash_protect (FLAG_PROTECT_CLEAR,
122 gd->bd->bi_flashstart, 0xffffffff,
123 &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
125 /* Monitor protection ON by default */
126 flash_protect (FLAG_PROTECT_SET,
127 CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
128 &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
130 /* Environment protection ON by default */
131 flash_protect (FLAG_PROTECT_SET,
133 CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
134 &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
136 /* Redundant environment protection ON by default */
137 flash_protect (FLAG_PROTECT_SET,
138 CONFIG_ENV_ADDR_REDUND,
139 CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
140 &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
147 * Initialize Local Bus
149 void local_bus_init (void)
151 volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
152 volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
156 uint lcrr = CONFIG_SYS_LBC_LCRR;
158 get_sys_info (&sysinfo);
159 clkdiv = lbc->lcrr & LCRR_CLKDIV;
160 lbc_mhz = sysinfo.freqSystemBus / 1000000 / clkdiv;
162 /* Disable PLL bypass for Local Bus Clock >= 66 MHz */
164 lcrr &= ~LCRR_DBYP; /* DLL Enabled */
166 lcrr |= LCRR_DBYP; /* DLL Bypass */
168 out_be32 (&lbc->lcrr, lcrr);
169 asm ("sync;isync;msync");
171 out_be32 (&lbc->ltesr, 0xffffffff); /* Clear LBC error interrupts */
172 out_be32 (&lbc->lteir, 0xffffffff); /* Enable LBC error interrupts */
173 out_be32 (&ecm->eedr, 0xffffffff); /* Clear ecm errors */
174 out_be32 (&ecm->eeer, 0xffffffff); /* Enable ecm errors */
176 /* Init UPMA for FPGA access */
177 out_be32 (&lbc->mamr, 0x44440); /* Use a customer-supplied value */
178 upmconfig (UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int));
180 /* Init UPMB for Lime controller access */
181 out_be32 (&lbc->mbmr, 0x444440); /* Use a customer-supplied value */
182 upmconfig (UPMB, (uint *)UPMTableB, sizeof(UPMTableB)/sizeof(int));
185 #if defined(CONFIG_PCI)
187 * Initialize PCI Devices, report devices found.
190 #ifndef CONFIG_PCI_PNP
191 static struct pci_config_table pci_mpc85xxads_config_table[] = {
192 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
193 PCI_IDSEL_NUMBER, PCI_ANY_ID,
194 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
197 PCI_COMMAND_MASTER}},
203 static struct pci_controller hose = {
204 #ifndef CONFIG_PCI_PNP
205 config_table:pci_mpc85xxads_config_table,
209 #endif /* CONFIG_PCI */
212 void pci_init_board (void)
215 pci_mpc85xx_init (&hose);
216 #endif /* CONFIG_PCI */
219 #ifdef CONFIG_BOARD_EARLY_INIT_R
220 int board_early_init_r (void)
222 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
224 /* set and reset the GPIO pin 2 which will reset the W83782G chip */
225 out_8((unsigned char*)&gur->gpoutdr, 0x3F );
226 out_be32((unsigned int*)&gur->gpiocr, 0x200 ); /* enable GPOut */
228 out_8( (unsigned char*)&gur->gpoutdr, 0x1F );
232 #endif /* CONFIG_BOARD_EARLY_INIT_R */
234 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
236 ft_board_setup(void *blob, bd_t *bd)
241 ft_cpu_setup(blob, bd);
243 /* Fixup NOR FLASH mapping */
244 val[i++] = 0; /* chip select number */
245 val[i++] = 0; /* always 0 */
246 val[i++] = gd->bd->bi_flashstart;
247 val[i++] = gd->bd->bi_flashsize;
249 if (mb862xx.frameAdrs == CONFIG_SYS_LIME_BASE) {
250 /* Fixup LIME mapping */
251 val[i++] = 2; /* chip select number */
252 val[i++] = 0; /* always 0 */
253 val[i++] = CONFIG_SYS_LIME_BASE;
254 val[i++] = CONFIG_SYS_LIME_SIZE;
257 /* Fixup FPGA mapping */
258 val[i++] = 3; /* chip select number */
259 val[i++] = 0; /* always 0 */
260 val[i++] = CONFIG_SYS_FPGA_BASE;
261 val[i++] = CONFIG_SYS_FPGA_SIZE;
263 rc = fdt_find_and_setprop(blob, "/localbus", "ranges",
264 val, i * sizeof(u32), 1);
266 printf("Unable to update localbus ranges, err=%s\n",
269 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
271 #define CONFIG_SYS_LIME_SRST ((CONFIG_SYS_LIME_BASE) + 0x01FC002C)
272 #define CONFIG_SYS_LIME_CCF ((CONFIG_SYS_LIME_BASE) + 0x01FC0038)
273 #define CONFIG_SYS_LIME_MMR ((CONFIG_SYS_LIME_BASE) + 0x01FCFFFC)
274 /* Lime clock frequency */
275 #define CONFIG_SYS_LIME_CLK_100MHZ 0x00000
276 #define CONFIG_SYS_LIME_CLK_133MHZ 0x10000
277 /* SDRAM parameter */
278 #define CONFIG_SYS_LIME_MMR_VALUE 0x4157BA63
280 #define DISPLAY_WIDTH 800
281 #define DISPLAY_HEIGHT 480
282 #define DEFAULT_BRIGHTNESS 25
283 #define BACKLIGHT_ENABLE (1 << 31)
285 static const gdc_regs init_regs [] =
287 {0x0100, 0x00010f00},
288 {0x0020, 0x801901df},
289 {0x0024, 0x00000000},
290 {0x0028, 0x00000000},
291 {0x002c, 0x00000000},
292 {0x0110, 0x00000000},
293 {0x0114, 0x00000000},
294 {0x0118, 0x01df0320},
295 {0x0004, 0x041f0000},
296 {0x0008, 0x031f031f},
297 {0x000c, 0x017f0349},
298 {0x0010, 0x020c0000},
299 {0x0014, 0x01df01e9},
300 {0x0018, 0x00000000},
301 {0x001c, 0x01e00320},
302 {0x0100, 0x80010f00},
306 const gdc_regs *board_get_regs (void)
311 #define CONFIG_SYS_LIME_CID ((CONFIG_SYS_LIME_BASE) + 0x01FC00F0)
312 #define CONFIG_SYS_LIME_REV ((CONFIG_SYS_LIME_BASE) + 0x01FF8084)
315 volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
320 cfg_br2 = memctl->br2;
321 cfg_or2 = memctl->or2;
323 /* Configure GPCM for CS2 */
325 memctl->or2 = 0xfc000410;
326 memctl->br2 = (CONFIG_SYS_LIME_BASE) | 0x00001901;
328 /* Try to access GDC ID/Revision registers */
329 reg = in_be32((void *)CONFIG_SYS_LIME_CID);
330 reg = in_be32((void *)CONFIG_SYS_LIME_CID);
332 reg = in_be32((void *)CONFIG_SYS_LIME_REV);
333 reg = in_be32((void *)CONFIG_SYS_LIME_REV);
334 reg = ((reg & ~0xff) == 0x20050100) ? 1 : 0;
338 /* Restore previous CS2 configuration */
340 memctl->or2 = cfg_or2;
341 memctl->br2 = cfg_br2;
345 /* Returns Lime base address */
346 unsigned int board_video_init (void)
352 * Reset Lime controller
354 out_be32((void *)CONFIG_SYS_LIME_SRST, 0x1);
357 /* Set Lime clock to 133MHz */
358 out_be32((void *)CONFIG_SYS_LIME_CCF, CONFIG_SYS_LIME_CLK_133MHZ);
361 /* Set memory parameters */
362 out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_LIME_MMR_VALUE);
364 mb862xx.winSizeX = DISPLAY_WIDTH;
365 mb862xx.winSizeY = DISPLAY_HEIGHT;
366 mb862xx.gdfIndex = GDF_15BIT_555RGB;
367 mb862xx.gdfBytesPP = 2;
369 return CONFIG_SYS_LIME_BASE;
372 #define W83782D_REG_CFG 0x40
373 #define W83782D_REG_BANK_SEL 0x4e
374 #define W83782D_REG_ADCCLK 0x4b
375 #define W83782D_REG_BEEP_CTRL 0x4d
376 #define W83782D_REG_BEEP_CTRL2 0x57
377 #define W83782D_REG_PWMOUT1 0x5b
378 #define W83782D_REG_VBAT 0x5d
380 static int w83782d_hwmon_init(void)
384 if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1))
387 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 0x80);
388 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BANK_SEL, 0);
389 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_ADCCLK, 0x40);
391 buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL);
392 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL,
394 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL2, 0);
395 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_PWMOUT1, 0x47);
396 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_VBAT, 0x01);
398 buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG);
399 i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG,
400 (buf & 0xf4) | 0x01);
404 static void board_backlight_brightness(int br)
411 if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
414 buf = old_buf & 0xf8;
416 if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &buf, 1))
420 /* PWMOUT1 duty cycle ctrl */
421 buf = 255 / (100 / br);
422 if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
426 reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c));
427 if (!(reg & BACKLIGHT_ENABLE));
428 out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c),
429 reg | BACKLIGHT_ENABLE);
432 if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
436 reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c));
437 reg &= ~BACKLIGHT_ENABLE;
438 out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), reg);
440 /* Restore previous bank setting */
441 if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
446 printf("W83782G I2C access failed\n");
449 void board_backlight_switch (int flag)
454 if (w83782d_hwmon_init())
455 printf ("hwmon IC init failed\n");
458 param = getenv("brightness");
459 rc = param ? simple_strtol(param, NULL, 10) : -1;
461 rc = DEFAULT_BRIGHTNESS;
465 board_backlight_brightness(rc);
468 #if defined(CONFIG_CONSOLE_EXTRA_INFO)
470 * Return text to be printed besides the logo.
472 void video_get_info_str (int line_number, char *info)
474 if (line_number == 1) {
475 strcpy (info, " Board: Socrates");