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[J-u-boot.git] / board / freescale / mpc8641hpcn / mpc8641hpcn.c
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debb7354 1/*
3d98b858 2 * Copyright 2006, 2007 Freescale Semiconductor.
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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
63cec581 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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 <pci.h>
25#include <asm/processor.h>
26#include <asm/immap_86xx.h>
63cec581 27#include <asm/immap_fsl_pci.h>
debb7354 28#include <spd.h>
3d98b858 29#include <asm/io.h>
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30#include <libfdt.h>
31#include <fdt_support.h>
debb7354 32
4ce91774 33#include "../common/pixis.h"
4d3d729c 34
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35#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
36extern void ddr_enable_ecc(unsigned int dram_size);
37#endif
38
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39#if defined(CONFIG_SPD_EEPROM)
40#include "spd_sdram.h"
41#endif
debb7354 42
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43void sdram_init(void);
44long int fixed_sdram(void);
45
46
80e955c7 47int board_early_init_f(void)
debb7354 48{
cb5965fb 49 return 0;
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50}
51
80e955c7 52int checkboard(void)
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53{
54 puts("Board: MPC8641HPCN\n");
55
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56 return 0;
57}
58
59
60long int
61initdram(int board_type)
62{
63 long dram_size = 0;
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64
65#if defined(CONFIG_SPD_EEPROM)
80e955c7 66 dram_size = spd_sdram();
debb7354 67#else
80e955c7 68 dram_size = fixed_sdram();
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69#endif
70
71#if defined(CFG_RAMBOOT)
72 puts(" DDR: ");
73 return dram_size;
74#endif
cb5965fb 75
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76#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
77 /*
78 * Initialize and enable DDR ECC.
79 */
80 ddr_enable_ecc(dram_size);
81#endif
82
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83 puts(" DDR: ");
84 return dram_size;
85}
86
87
debb7354 88#if defined(CFG_DRAM_TEST)
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89int
90testdram(void)
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91{
92 uint *pstart = (uint *) CFG_MEMTEST_START;
93 uint *pend = (uint *) CFG_MEMTEST_END;
94 uint *p;
95
cb5965fb 96 puts("SDRAM test phase 1:\n");
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97 for (p = pstart; p < pend; p++)
98 *p = 0xaaaaaaaa;
99
100 for (p = pstart; p < pend; p++) {
101 if (*p != 0xaaaaaaaa) {
80e955c7 102 printf("SDRAM test fails at: %08x\n", (uint) p);
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103 return 1;
104 }
105 }
106
cb5965fb 107 puts("SDRAM test phase 2:\n");
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108 for (p = pstart; p < pend; p++)
109 *p = 0x55555555;
110
111 for (p = pstart; p < pend; p++) {
112 if (*p != 0x55555555) {
80e955c7 113 printf("SDRAM test fails at: %08x\n", (uint) p);
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114 return 1;
115 }
116 }
117
cb5965fb 118 puts("SDRAM test passed.\n");
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119 return 0;
120}
121#endif
122
123
124#if !defined(CONFIG_SPD_EEPROM)
5c9efb36
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125/*
126 * Fixed sdram init -- doesn't use serial presence detect.
127 */
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128long int
129fixed_sdram(void)
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130{
131#if !defined(CFG_RAMBOOT)
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132 volatile immap_t *immap = (immap_t *) CFG_IMMR;
133 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
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134
135 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
136 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
137 ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
138 ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
139 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
140 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
141 ddr->sdram_mode_1 = CFG_DDR_MODE_1;
142 ddr->sdram_mode_2 = CFG_DDR_MODE_2;
143 ddr->sdram_interval = CFG_DDR_INTERVAL;
cb5965fb 144 ddr->sdram_data_init = CFG_DDR_DATA_INIT;
debb7354 145 ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
cb5965fb 146 ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL;
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147 ddr->sdram_ocd_status = CFG_DDR_OCD_STATUS;
148
149#if defined (CONFIG_DDR_ECC)
150 ddr->err_disable = 0x0000008D;
151 ddr->err_sbe = 0x00ff0000;
152#endif
153 asm("sync;isync");
cb5965fb 154
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155 udelay(500);
156
157#if defined (CONFIG_DDR_ECC)
158 /* Enable ECC checking */
159 ddr->sdram_cfg_1 = (CFG_DDR_CONTROL | 0x20000000);
160#else
161 ddr->sdram_cfg_1 = CFG_DDR_CONTROL;
162 ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
163#endif
164 asm("sync; isync");
cb5965fb 165
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166 udelay(500);
167#endif
168 return CFG_SDRAM_SIZE * 1024 * 1024;
169}
170#endif /* !defined(CONFIG_SPD_EEPROM) */
171
172
173#if defined(CONFIG_PCI)
174/*
175 * Initialize PCI Devices, report devices found.
176 */
177
178#ifndef CONFIG_PCI_PNP
179static struct pci_config_table pci_fsl86xxads_config_table[] = {
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180 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
181 PCI_IDSEL_NUMBER, PCI_ANY_ID,
182 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
183 PCI_ENET0_MEMADDR,
184 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
185 {}
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186};
187#endif
188
189
63cec581 190static struct pci_controller pci1_hose = {
debb7354 191#ifndef CONFIG_PCI_PNP
63cec581 192 config_table:pci_mpc86xxcts_config_table
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193#endif
194};
80e955c7 195#endif /* CONFIG_PCI */
debb7354 196
63cec581
ES
197#ifdef CONFIG_PCI2
198static struct pci_controller pci2_hose;
199#endif /* CONFIG_PCI2 */
200
201int first_free_busno = 0;
202
203
80e955c7 204void pci_init_board(void)
debb7354 205{
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ES
206 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
207 volatile ccsr_gur_t *gur = &immap->im_gur;
208 uint devdisr = gur->devdisr;
209 uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
210
211#ifdef CONFIG_PCI1
212{
213 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
214 extern void fsl_pci_init(struct pci_controller *hose);
215 struct pci_controller *hose = &pci1_hose;
216#ifdef DEBUG
217 uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
218 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
219#endif
220 if ((io_sel == 2 || io_sel == 3 || io_sel == 5
221 || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
222 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
223 debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
224 debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
225 if (pci->pme_msg_det) {
226 pci->pme_msg_det = 0xffffffff;
227 debug(" with errors. Clearing. Now 0x%08x",
228 pci->pme_msg_det);
229 }
230 debug("\n");
231
232 /* inbound */
233 pci_set_region(hose->regions + 0,
234 CFG_PCI_MEMORY_BUS,
235 CFG_PCI_MEMORY_PHYS,
236 CFG_PCI_MEMORY_SIZE,
237 PCI_REGION_MEM | PCI_REGION_MEMORY);
238
239 /* outbound memory */
240 pci_set_region(hose->regions + 1,
241 CFG_PCI1_MEM_BASE,
242 CFG_PCI1_MEM_PHYS,
243 CFG_PCI1_MEM_SIZE,
244 PCI_REGION_MEM);
245
246 /* outbound io */
247 pci_set_region(hose->regions + 2,
248 CFG_PCI1_IO_BASE,
249 CFG_PCI1_IO_PHYS,
250 CFG_PCI1_IO_SIZE,
251 PCI_REGION_IO);
252
253 hose->region_count = 3;
254
255 hose->first_busno=first_free_busno;
256 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
257
258 fsl_pci_init(hose);
259
260 first_free_busno=hose->last_busno+1;
261 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
262 hose->first_busno,hose->last_busno);
263
264 /*
265 * Activate ULI1575 legacy chip by performing a fake
266 * memory access. Needed to make ULI RTC work.
267 */
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268 in_be32((unsigned *) ((char *)(CFG_PCI1_MEM_BASE
269 + CFG_PCI1_MEM_SIZE - 0x1000000)));
63cec581
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270
271 } else {
272 puts("PCI-EXPRESS 1: Disabled\n");
273 }
274}
275#else
276 puts("PCI-EXPRESS1: Disabled\n");
277#endif /* CONFIG_PCI1 */
278
279#ifdef CONFIG_PCI2
280{
281 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
282 extern void fsl_pci_init(struct pci_controller *hose);
283 struct pci_controller *hose = &pci2_hose;
284
285
286 /* inbound */
287 pci_set_region(hose->regions + 0,
288 CFG_PCI_MEMORY_BUS,
289 CFG_PCI_MEMORY_PHYS,
290 CFG_PCI_MEMORY_SIZE,
291 PCI_REGION_MEM | PCI_REGION_MEMORY);
292
293 /* outbound memory */
294 pci_set_region(hose->regions + 1,
295 CFG_PCI2_MEM_BASE,
296 CFG_PCI2_MEM_PHYS,
297 CFG_PCI2_MEM_SIZE,
298 PCI_REGION_MEM);
299
300 /* outbound io */
301 pci_set_region(hose->regions + 2,
302 CFG_PCI2_IO_BASE,
303 CFG_PCI2_IO_PHYS,
304 CFG_PCI2_IO_SIZE,
305 PCI_REGION_IO);
306
307 hose->region_count = 3;
308
309 hose->first_busno=first_free_busno;
310 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
311
312 fsl_pci_init(hose);
313
314 first_free_busno=hose->last_busno+1;
315 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
316 hose->first_busno,hose->last_busno);
317}
318#else
319 puts("PCI-EXPRESS 2: Disabled\n");
320#endif /* CONFIG_PCI2 */
debb7354 321
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322}
323
ea9f7395 324#if defined(CONFIG_OF_BOARD_SETUP)
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325void
326ft_board_setup(void *blob, bd_t *bd)
327{
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328 int node, tmp[2];
329 const char *path;
debb7354 330
ea9f7395 331 fdt_fixup_ethernet(blob, bd);
cb5965fb 332
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333 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
334 "timebase-frequency", bd->bi_busfreq / 4, 1);
335 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
336 "bus-frequency", bd->bi_busfreq, 1);
337 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
338 "clock-frequency", bd->bi_intfreq, 1);
339 do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
340 "bus-frequency", bd->bi_busfreq, 1);
341
342 do_fixup_by_compat_u32(blob, "ns16550",
343 "clock-frequency", bd->bi_busfreq, 1);
344
345 fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize);
346
347 node = fdt_path_offset(blob, "/aliases");
348 tmp[0] = 0;
349 if (node >= 0) {
f75e89e9 350#ifdef CONFIG_PCI1
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351 path = fdt_getprop(blob, node, "pci0", NULL);
352 if (path) {
353 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
354 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
355 }
f75e89e9
ES
356#endif
357#ifdef CONFIG_PCI2
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358 path = fdt_getprop(blob, node, "pci1", NULL);
359 if (path) {
360 tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;
361 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
362 }
f75e89e9 363#endif
ea9f7395 364 }
debb7354
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365}
366#endif
367
debb7354 368
239db37c
HW
369/*
370 * get_board_sys_clk
371 * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
372 */
373
80e955c7
JL
374unsigned long
375get_board_sys_clk(ulong dummy)
239db37c
HW
376{
377 u8 i, go_bit, rd_clks;
378 ulong val = 0;
379
380 go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
381 go_bit &= 0x01;
382
383 rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
384 rd_clks &= 0x1C;
385
386 /*
387 * Only if both go bit and the SCLK bit in VCFGEN0 are set
388 * should we be using the AUX register. Remember, we also set the
389 * GO bit to boot from the alternate bank on the on-board flash
390 */
391
392 if (go_bit) {
393 if (rd_clks == 0x1c)
394 i = in8(PIXIS_BASE + PIXIS_AUX);
395 else
396 i = in8(PIXIS_BASE + PIXIS_SPD);
397 } else {
398 i = in8(PIXIS_BASE + PIXIS_SPD);
399 }
400
401 i &= 0x07;
402
403 switch (i) {
404 case 0:
405 val = 33000000;
406 break;
407 case 1:
408 val = 40000000;
409 break;
410 case 2:
411 val = 50000000;
412 break;
413 case 3:
414 val = 66000000;
415 break;
416 case 4:
417 val = 83000000;
418 break;
419 case 5:
420 val = 100000000;
421 break;
422 case 6:
423 val = 134000000;
424 break;
425 case 7:
426 val = 166000000;
427 break;
428 }
429
430 return val;
431}
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