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>
40 #include "upm_table.h"
42 DECLARE_GLOBAL_DATA_PTR;
44 extern flash_info_t flash_info[]; /* FLASH chips info */
46 void local_bus_init (void);
47 ulong flash_get_size (ulong base, int banknum);
51 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
55 char *s = getenv("serial#");
57 puts("Board: Socrates");
65 /* Check the PCI_clk sel bit */
66 if (in_be32(&gur->porpllsr) & (1<<15)) {
68 f = CONFIG_SYS_CLK_FREQ;
71 f = CONFIG_PCI_CLK_FREQ;
73 printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src);
75 printf ("PCI1: disabled\n");
79 * Initialize local bus.
85 int misc_init_r (void)
87 volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
90 * Adjust flash start and offset to detected values
92 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
93 gd->bd->bi_flashoffset = 0;
96 * Check if boot FLASH isn't max size
98 if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
99 memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
100 memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
103 * Re-check to get correct base address
105 flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
109 * Check if only one FLASH bank is available
111 if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
116 * Re-do flash protection upon new addresses
118 flash_protect (FLAG_PROTECT_CLEAR,
119 gd->bd->bi_flashstart, 0xffffffff,
120 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
122 /* Monitor protection ON by default */
123 flash_protect (FLAG_PROTECT_SET,
124 CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1,
125 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
127 /* Environment protection ON by default */
128 flash_protect (FLAG_PROTECT_SET,
130 CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
131 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
133 /* Redundant environment protection ON by default */
134 flash_protect (FLAG_PROTECT_SET,
136 CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
137 &flash_info[CFG_MAX_FLASH_BANKS - 1]);
144 * Initialize Local Bus
146 void local_bus_init (void)
148 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
149 volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
153 uint lcrr = CFG_LBC_LCRR;
155 get_sys_info (&sysinfo);
156 clkdiv = lbc->lcrr & 0x0f;
157 lbc_mhz = sysinfo.freqSystemBus / 1000000 / clkdiv;
159 /* Disable PLL bypass for Local Bus Clock >= 66 MHz */
161 lcrr &= ~LCRR_DBYP; /* DLL Enabled */
163 lcrr |= LCRR_DBYP; /* DLL Bypass */
165 out_be32 (&lbc->lcrr, lcrr);
166 asm ("sync;isync;msync");
168 out_be32 (&lbc->ltesr, 0xffffffff); /* Clear LBC error interrupts */
169 out_be32 (&lbc->lteir, 0xffffffff); /* Enable LBC error interrupts */
170 out_be32 (&ecm->eedr, 0xffffffff); /* Clear ecm errors */
171 out_be32 (&ecm->eeer, 0xffffffff); /* Enable ecm errors */
173 /* Init UPMA for FPGA access */
174 out_be32 (&lbc->mamr, 0x44440); /* Use a customer-supplied value */
175 upmconfig (UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int));
177 if (getenv("lime")) {
178 /* Init UPMB for Lime controller access */
179 out_be32 (&lbc->mbmr, 0x444440); /* Use a customer-supplied value */
180 upmconfig (UPMB, (uint *)UPMTableB, sizeof(UPMTableB)/sizeof(int));
184 #if defined(CONFIG_PCI)
186 * Initialize PCI Devices, report devices found.
189 #ifndef CONFIG_PCI_PNP
190 static struct pci_config_table pci_mpc85xxads_config_table[] = {
191 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
192 PCI_IDSEL_NUMBER, PCI_ANY_ID,
193 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
196 PCI_COMMAND_MASTER}},
202 static struct pci_controller hose = {
203 #ifndef CONFIG_PCI_PNP
204 config_table:pci_mpc85xxads_config_table,
208 #endif /* CONFIG_PCI */
211 void pci_init_board (void)
214 pci_mpc85xx_init (&hose);
215 #endif /* CONFIG_PCI */
218 #ifdef CONFIG_BOARD_EARLY_INIT_R
219 int board_early_init_r (void)
221 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
223 /* set and reset the GPIO pin 2 which will reset the W83782G chip */
224 out_8((unsigned char*)&gur->gpoutdr, 0x3F );
225 out_be32((unsigned int*)&gur->gpiocr, 0x200 ); /* enable GPOut */
227 out_8( (unsigned char*)&gur->gpoutdr, 0x1F );
231 #endif /* CONFIG_BOARD_EARLY_INIT_R */
233 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
235 ft_board_setup(void *blob, bd_t *bd)
240 ft_cpu_setup(blob, bd);
242 /* Fixup NOR FLASH mapping */
243 val[i++] = 0; /* chip select number */
244 val[i++] = 0; /* always 0 */
245 val[i++] = gd->bd->bi_flashstart;
246 val[i++] = gd->bd->bi_flashsize;
248 if (getenv("lime")) {
249 /* Fixup LIME mapping */
250 val[i++] = 2; /* chip select number */
251 val[i++] = 0; /* always 0 */
252 val[i++] = CFG_LIME_BASE;
253 val[i++] = CFG_LIME_SIZE;
256 /* Fixup FPGA mapping */
257 val[i++] = 3; /* chip select number */
258 val[i++] = 0; /* always 0 */
259 val[i++] = CFG_FPGA_BASE;
260 val[i++] = CFG_FPGA_SIZE;
262 rc = fdt_find_and_setprop(blob, "/localbus", "ranges",
263 val, i * sizeof(u32), 1);
265 printf("Unable to update localbus ranges, err=%s\n",
268 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
272 #include <video_fb.h>
274 #define CFG_LIME_SRST ((CFG_LIME_BASE) + 0x01FC002C)
275 #define CFG_LIME_CCF ((CFG_LIME_BASE) + 0x01FC0038)
276 #define CFG_LIME_MMR ((CFG_LIME_BASE) + 0x01FCFFFC)
277 /* Lime clock frequency */
278 #define CFG_LIME_CLK_100MHZ 0x00000
279 #define CFG_LIME_CLK_133MHZ 0x10000
280 /* SDRAM parameter */
281 #define CFG_LIME_MMR_VALUE 0x4157BA63
283 #define DISPLAY_WIDTH 800
284 #define DISPLAY_HEIGHT 480
285 #define DEFAULT_BRIGHTNESS 25
286 #define BACKLIGHT_ENABLE (1 << 31)
288 extern GraphicDevice mb862xx;
290 static const gdc_regs init_regs [] =
292 {0x0100, 0x00010f00},
293 {0x0020, 0x801901df},
294 {0x0024, 0x00000000},
295 {0x0028, 0x00000000},
296 {0x002c, 0x00000000},
297 {0x0110, 0x00000000},
298 {0x0114, 0x00000000},
299 {0x0118, 0x01df0320},
300 {0x0004, 0x041f0000},
301 {0x0008, 0x031f031f},
302 {0x000c, 0x017f0349},
303 {0x0010, 0x020c0000},
304 {0x0014, 0x01df01e9},
305 {0x0018, 0x00000000},
306 {0x001c, 0x01e00320},
307 {0x0100, 0x80010f00},
311 const gdc_regs *board_get_regs (void)
316 /* Returns Lime base address */
317 unsigned int board_video_init (void)
324 * Reset Lime controller
326 out_be32((void *)CFG_LIME_SRST, 0x1);
329 /* Set Lime clock to 133MHz */
330 out_be32((void *)CFG_LIME_CCF, CFG_LIME_CLK_133MHZ);
333 /* Set memory parameters */
334 out_be32((void *)CFG_LIME_MMR, CFG_LIME_MMR_VALUE);
336 mb862xx.winSizeX = DISPLAY_WIDTH;
337 mb862xx.winSizeY = DISPLAY_HEIGHT;
338 mb862xx.gdfIndex = GDF_15BIT_555RGB;
339 mb862xx.gdfBytesPP = 2;
341 return CFG_LIME_BASE;
344 #define W83782D_REG_CFG 0x40
345 #define W83782D_REG_BANK_SEL 0x4e
346 #define W83782D_REG_ADCCLK 0x4b
347 #define W83782D_REG_BEEP_CTRL 0x4d
348 #define W83782D_REG_BEEP_CTRL2 0x57
349 #define W83782D_REG_PWMOUT1 0x5b
350 #define W83782D_REG_VBAT 0x5d
352 static int w83782d_hwmon_init(void)
356 if (i2c_read(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1))
359 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG, 0x80);
360 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_BANK_SEL, 0);
361 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_ADCCLK, 0x40);
363 buf = i2c_reg_read(CFG_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL);
364 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL,
366 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL2, 0);
367 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_PWMOUT1, 0x47);
368 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_VBAT, 0x01);
370 buf = i2c_reg_read(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG);
371 i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG,
372 (buf & 0xf4) | 0x01);
376 static void board_backlight_brightness(int br)
383 if (i2c_read(CFG_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
386 buf = old_buf & 0xf8;
388 if (i2c_write(CFG_I2C_W83782G_ADDR, 0x4e, 1, &buf, 1))
392 /* PWMOUT1 duty cycle ctrl */
393 buf = 255 / (100 / br);
394 if (i2c_write(CFG_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
398 reg = in_be32((void *)(CFG_FPGA_BASE + 0x0c));
399 if (!(reg & BACKLIGHT_ENABLE));
400 out_be32((void *)(CFG_FPGA_BASE + 0x0c),
401 reg | BACKLIGHT_ENABLE);
404 if (i2c_write(CFG_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
408 reg = in_be32((void *)(CFG_FPGA_BASE + 0x0c));
409 reg &= ~BACKLIGHT_ENABLE;
410 out_be32((void *)(CFG_FPGA_BASE + 0x0c), reg);
412 /* Restore previous bank setting */
413 if (i2c_write(CFG_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
418 printf("W83782G I2C access failed\n");
421 void board_backlight_switch (int flag)
426 if (w83782d_hwmon_init())
427 printf ("hwmon IC init failed\n");
430 param = getenv("brightness");
431 rc = param ? simple_strtol(param, NULL, 10) : -1;
433 rc = DEFAULT_BRIGHTNESS;
437 board_backlight_brightness(rc);
440 #if defined(CONFIG_CONSOLE_EXTRA_INFO)
442 * Return text to be printed besides the logo.
444 void video_get_info_str (int line_number, char *info)
446 if (line_number == 1) {
447 strcpy (info, " Board: Socrates");