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1 /*
2  * Copyright 2007 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22
23 #include <common.h>
24 #include <command.h>
25 #include <pci.h>
26 #include <asm/processor.h>
27 #include <asm/immap_86xx.h>
28 #include <asm/immap_fsl_pci.h>
29 #include <asm/fsl_ddr_sdram.h>
30 #include <i2c.h>
31 #include <asm/io.h>
32 #include <libfdt.h>
33 #include <fdt_support.h>
34 #include <spd_sdram.h>
35 #include <netdev.h>
36
37 #include "../common/pixis.h"
38
39 void sdram_init(void);
40 phys_size_t fixed_sdram(void);
41 void mpc8610hpcd_diu_init(void);
42
43
44 /* called before any console output */
45 int board_early_init_f(void)
46 {
47         volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
48         volatile ccsr_gur_t *gur = &immap->im_gur;
49
50         gur->gpiocr |= 0x88aa5500; /* DIU16, IR1, UART0, UART2 */
51
52         return 0;
53 }
54
55 int misc_init_r(void)
56 {
57         u8 tmp_val, version;
58
59         /*Do not use 8259PIC*/
60         tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
61         out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x80);
62
63         /*For FPGA V7 or higher, set the IRQMAPSEL to 0 to use MAP0 interrupt*/
64         version = in8(PIXIS_BASE + PIXIS_PVER);
65         if(version >= 0x07) {
66                 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
67                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xbf);
68         }
69
70         /* Using this for DIU init before the driver in linux takes over
71          *  Enable the TFP410 Encoder (I2C address 0x38)
72          */
73
74         tmp_val = 0xBF;
75         i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
76         /* Verify if enabled */
77         tmp_val = 0;
78         i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
79         debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
80
81         tmp_val = 0x10;
82         i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
83         /* Verify if enabled */
84         tmp_val = 0;
85         i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
86         debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
87
88 #ifdef CONFIG_FSL_DIU_FB
89         mpc8610hpcd_diu_init();
90 #endif
91
92         return 0;
93 }
94
95 int checkboard(void)
96 {
97         volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
98         volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
99
100         printf ("Board: MPC8610HPCD, System ID: 0x%02x, "
101                 "System Version: 0x%02x, FPGA Version: 0x%02x\n",
102                 in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
103                 in8(PIXIS_BASE + PIXIS_PVER));
104
105         mcm->abcr |= 0x00010000; /* 0 */
106         mcm->hpmr3 = 0x80000008; /* 4c */
107         mcm->hpmr0 = 0;
108         mcm->hpmr1 = 0;
109         mcm->hpmr2 = 0;
110         mcm->hpmr4 = 0;
111         mcm->hpmr5 = 0;
112
113         return 0;
114 }
115
116
117 phys_size_t
118 initdram(int board_type)
119 {
120         phys_size_t dram_size = 0;
121
122 #if defined(CONFIG_SPD_EEPROM)
123         dram_size = fsl_ddr_sdram();
124 #else
125         dram_size = fixed_sdram();
126 #endif
127
128 #if defined(CONFIG_SYS_RAMBOOT)
129         puts(" DDR: ");
130         return dram_size;
131 #endif
132
133         puts(" DDR: ");
134         return dram_size;
135 }
136
137
138 #if !defined(CONFIG_SPD_EEPROM)
139 /*
140  * Fixed sdram init -- doesn't use serial presence detect.
141  */
142
143 phys_size_t fixed_sdram(void)
144 {
145 #if !defined(CONFIG_SYS_RAMBOOT)
146         volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
147         volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
148         uint d_init;
149
150         ddr->cs0_bnds = 0x0000001f;
151         ddr->cs0_config = 0x80010202;
152
153         ddr->timing_cfg_3 = 0x00000000;
154         ddr->timing_cfg_0 = 0x00260802;
155         ddr->timing_cfg_1 = 0x3935d322;
156         ddr->timing_cfg_2 = 0x14904cc8;
157         ddr->sdram_mode_1 = 0x00480432;
158         ddr->sdram_mode_2 = 0x00000000;
159         ddr->sdram_interval = 0x06180fff; /* 0x06180100; */
160         ddr->sdram_data_init = 0xDEADBEEF;
161         ddr->sdram_clk_cntl = 0x03800000;
162         ddr->sdram_cfg_2 = 0x04400010;
163
164 #if defined(CONFIG_DDR_ECC)
165         ddr->err_int_en = 0x0000000d;
166         ddr->err_disable = 0x00000000;
167         ddr->err_sbe = 0x00010000;
168 #endif
169         asm("sync;isync");
170
171         udelay(500);
172
173         ddr->sdram_cfg_1 = 0xc3000000; /* 0xe3008000;*/
174
175
176 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
177         d_init = 1;
178         debug("DDR - 1st controller: memory initializing\n");
179         /*
180          * Poll until memory is initialized.
181          * 512 Meg at 400 might hit this 200 times or so.
182          */
183         while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
184                 udelay(1000);
185
186         debug("DDR: memory initialized\n\n");
187         asm("sync; isync");
188         udelay(500);
189 #endif
190
191         return 512 * 1024 * 1024;
192 #endif
193         return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
194 }
195
196 #endif
197
198 #if defined(CONFIG_PCI)
199 /*
200  * Initialize PCI Devices, report devices found.
201  */
202
203 #ifndef CONFIG_PCI_PNP
204 static struct pci_config_table pci_fsl86xxads_config_table[] = {
205         {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
206          PCI_IDSEL_NUMBER, PCI_ANY_ID,
207          pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
208                                  PCI_ENET0_MEMADDR,
209                                  PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} },
210         {}
211 };
212 #endif
213
214
215 static struct pci_controller pci1_hose = {
216 #ifndef CONFIG_PCI_PNP
217 config_table:pci_mpc86xxcts_config_table
218 #endif
219 };
220 #endif /* CONFIG_PCI */
221
222 #ifdef CONFIG_PCIE1
223 static struct pci_controller pcie1_hose;
224 #endif
225
226 #ifdef CONFIG_PCIE2
227 static struct pci_controller pcie2_hose;
228 #endif
229
230 int first_free_busno = 0;
231
232 extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
233 extern void fsl_pci_init(struct pci_controller *hose);
234
235 void pci_init_board(void)
236 {
237         volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
238         volatile ccsr_gur_t *gur = &immap->im_gur;
239         uint devdisr = gur->devdisr;
240         uint io_sel = (gur->pordevsr & MPC8610_PORDEVSR_IO_SEL)
241                 >> MPC8610_PORDEVSR_IO_SEL_SHIFT;
242         uint host_agent = (gur->porbmsr & MPC8610_PORBMSR_HA)
243                 >> MPC8610_PORBMSR_HA_SHIFT;
244
245         printf( " pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
246                 devdisr, io_sel, host_agent);
247
248 #ifdef CONFIG_PCIE1
249  {
250         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
251         struct pci_controller *hose = &pcie1_hose;
252         int pcie_configured = (io_sel == 1) || (io_sel == 4);
253         int pcie_ep = (host_agent == 0) || (host_agent == 2) ||
254                 (host_agent == 5);
255         struct pci_region *r = hose->regions;
256
257         if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)) {
258                 printf(" PCIe 1 connected to Uli as %s (base address %x)\n",
259                         pcie_ep ? "End Point" : "Root Complex",
260                         (uint)pci);
261                 if (pci->pme_msg_det)
262                         pci->pme_msg_det = 0xffffffff;
263
264                 /* inbound */
265                 r += fsl_pci_setup_inbound_windows(r);
266
267                 /* outbound memory */
268                 pci_set_region(r++,
269                          CONFIG_SYS_PCIE1_MEM_BUS,
270                          CONFIG_SYS_PCIE1_MEM_PHYS,
271                          CONFIG_SYS_PCIE1_MEM_SIZE,
272                          PCI_REGION_MEM);
273
274                 /* outbound io */
275                 pci_set_region(r++,
276                          CONFIG_SYS_PCIE1_IO_BUS,
277                          CONFIG_SYS_PCIE1_IO_PHYS,
278                          CONFIG_SYS_PCIE1_IO_SIZE,
279                          PCI_REGION_IO);
280
281                 hose->region_count = r - hose->regions;
282
283                 hose->first_busno = first_free_busno;
284                 pci_setup_indirect(hose, (int)&pci->cfg_addr,
285                                  (int)&pci->cfg_data);
286
287                 fsl_pci_init(hose);
288
289                 first_free_busno = hose->last_busno + 1;
290                 printf(" PCI-Express 1 on bus %02x - %02x\n",
291                         hose->first_busno, hose->last_busno);
292
293         } else
294                 puts(" PCI-Express 1: Disabled\n");
295  }
296 #else
297         puts("PCI-Express 1: Disabled\n");
298 #endif /* CONFIG_PCIE1 */
299
300
301 #ifdef CONFIG_PCIE2
302  {
303         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
304         struct pci_controller *hose = &pcie2_hose;
305         struct pci_region *r = hose->regions;
306
307         int pcie_configured = (io_sel == 0) || (io_sel == 4);
308         int pcie_ep = (host_agent == 0) || (host_agent == 1) ||
309                 (host_agent == 4);
310
311         if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)) {
312                 printf(" PCI-Express 2 connected to slot as %s" \
313                         " (base address %x)\n",
314                         pcie_ep ? "End Point" : "Root Complex",
315                         (uint)pci);
316                 if (pci->pme_msg_det)
317                         pci->pme_msg_det = 0xffffffff;
318
319                 /* inbound */
320                 r += fsl_pci_setup_inbound_windows(r);
321
322                 /* outbound memory */
323                 pci_set_region(r++,
324                          CONFIG_SYS_PCIE2_MEM_BUS,
325                          CONFIG_SYS_PCIE2_MEM_PHYS,
326                          CONFIG_SYS_PCIE2_MEM_SIZE,
327                          PCI_REGION_MEM);
328
329                 /* outbound io */
330                 pci_set_region(r++,
331                          CONFIG_SYS_PCIE2_IO_BUS,
332                          CONFIG_SYS_PCIE2_IO_PHYS,
333                          CONFIG_SYS_PCIE2_IO_SIZE,
334                          PCI_REGION_IO);
335
336                 hose->region_count = r - hose->regions;
337
338                 hose->first_busno = first_free_busno;
339                 pci_setup_indirect(hose, (int)&pci->cfg_addr,
340                                  (int)&pci->cfg_data);
341
342                 fsl_pci_init(hose);
343
344                 first_free_busno = hose->last_busno + 1;
345                 printf(" PCI-Express 2 on bus %02x - %02x\n",
346                         hose->first_busno, hose->last_busno);
347         } else
348                 puts(" PCI-Express 2: Disabled\n");
349  }
350 #else
351         puts("PCI-Express 2: Disabled\n");
352 #endif /* CONFIG_PCIE2 */
353
354
355 #ifdef CONFIG_PCI1
356  {
357         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
358         struct pci_controller *hose = &pci1_hose;
359         int pci_agent = (host_agent >= 4) && (host_agent <= 6);
360         struct pci_region *r = hose->regions;
361
362         if ( !(devdisr & MPC86xx_DEVDISR_PCI1)) {
363                 printf(" PCI connected to PCI slots as %s" \
364                         " (base address %x)\n",
365                         pci_agent ? "Agent" : "Host",
366                         (uint)pci);
367
368                 /* inbound */
369                 r += fsl_pci_setup_inbound_windows(r);
370
371                 /* outbound memory */
372                 pci_set_region(r++,
373                          CONFIG_SYS_PCI1_MEM_BUS,
374                          CONFIG_SYS_PCI1_MEM_PHYS,
375                          CONFIG_SYS_PCI1_MEM_SIZE,
376                          PCI_REGION_MEM);
377
378                 /* outbound io */
379                 pci_set_region(r++,
380                          CONFIG_SYS_PCI1_IO_BUS,
381                          CONFIG_SYS_PCI1_IO_PHYS,
382                          CONFIG_SYS_PCI1_IO_SIZE,
383                          PCI_REGION_IO);
384
385                 hose->region_count = r - hose->regions;
386
387                 hose->first_busno = first_free_busno;
388                 pci_setup_indirect(hose, (int) &pci->cfg_addr,
389                                  (int) &pci->cfg_data);
390
391                 fsl_pci_init(hose);
392
393                 first_free_busno = hose->last_busno + 1;
394                 printf(" PCI on bus %02x - %02x\n",
395                         hose->first_busno, hose->last_busno);
396
397
398         } else
399                 puts(" PCI: Disabled\n");
400  }
401 #endif /* CONFIG_PCI1 */
402 }
403
404 #if defined(CONFIG_OF_BOARD_SETUP)
405 extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
406                         struct pci_controller *hose);
407
408 void
409 ft_board_setup(void *blob, bd_t *bd)
410 {
411         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
412                              "timebase-frequency", bd->bi_busfreq / 4, 1);
413         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
414                              "bus-frequency", bd->bi_busfreq, 1);
415         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
416                              "clock-frequency", bd->bi_intfreq, 1);
417         do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
418                              "bus-frequency", bd->bi_busfreq, 1);
419
420         do_fixup_by_compat_u32(blob, "ns16550",
421                                "clock-frequency", bd->bi_busfreq, 1);
422
423         fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize);
424
425 #ifdef CONFIG_PCI1
426         ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
427 #endif
428 #ifdef CONFIG_PCIE1
429         ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
430 #endif
431 #ifdef CONFIG_PCIE2
432         ft_fsl_pci_setup(blob, "pci2", &pcie2_hose);
433 #endif
434 }
435 #endif
436
437 /*
438  * get_board_sys_clk
439  * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
440  */
441
442 unsigned long
443 get_board_sys_clk(ulong dummy)
444 {
445         u8 i;
446         ulong val = 0;
447         ulong a;
448
449         a = PIXIS_BASE + PIXIS_SPD;
450         i = in8(a);
451         i &= 0x07;
452
453         switch (i) {
454         case 0:
455                 val = 33333000;
456                 break;
457         case 1:
458                 val = 39999600;
459                 break;
460         case 2:
461                 val = 49999500;
462                 break;
463         case 3:
464                 val = 66666000;
465                 break;
466         case 4:
467                 val = 83332500;
468                 break;
469         case 5:
470                 val = 99999000;
471                 break;
472         case 6:
473                 val = 133332000;
474                 break;
475         case 7:
476                 val = 166665000;
477                 break;
478         }
479
480         return val;
481 }
482
483 int board_eth_init(bd_t *bis)
484 {
485         return pci_eth_init(bis);
486 }
487
488 void board_reset(void)
489 {
490         out8(PIXIS_BASE + PIXIS_RST, 0);
491
492         while (1)
493                 ;
494 }