blob: c724effa06357f43137eea9cabeb8201e4c45901 [file] [log] [blame]
Joe Hamman8ac27322007-08-09 15:10:53 -05001/*
2 * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
3 * Copyright 2007 Embedded Specialties, Inc.
4 * Joe Hamman joe.hamman@embeddedspecialties.com
5 *
6 * Copyright 2004 Freescale Semiconductor.
7 * Jeff Brown
8 * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
9 *
10 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
11 *
12 * See file CREDITS for list of people who contributed to this
13 * project.
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License as
17 * published by the Free Software Foundation; either version 2 of
18 * the License, or (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * MA 02111-1307 USA
29 */
30
31#include <common.h>
32#include <command.h>
33#include <pci.h>
34#include <asm/processor.h>
35#include <asm/immap_86xx.h>
Joe Hammancca34962007-08-11 06:54:58 -050036#include <asm/immap_fsl_pci.h>
Jon Loeligera30a5492008-03-04 10:03:03 -060037#include <spd_sdram.h>
Jon Loeliger13f54332008-02-18 14:01:56 -060038#include <libfdt.h>
39#include <fdt_support.h>
Joe Hamman8ac27322007-08-09 15:10:53 -050040
41#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
42extern void ddr_enable_ecc (unsigned int dram_size);
43#endif
44
Joe Hamman8ac27322007-08-09 15:10:53 -050045void sdram_init (void);
46long int fixed_sdram (void);
47
48int board_early_init_f (void)
49{
50 return 0;
51}
52
53int checkboard (void)
54{
55 puts ("Board: Wind River SBC8641D\n");
56
Joe Hamman8ac27322007-08-09 15:10:53 -050057 return 0;
58}
59
Becky Bruce9973e3c2008-06-09 16:03:40 -050060phys_size_t initdram (int board_type)
Joe Hamman8ac27322007-08-09 15:10:53 -050061{
62 long dram_size = 0;
63
64#if defined(CONFIG_SPD_EEPROM)
65 dram_size = spd_sdram ();
66#else
67 dram_size = fixed_sdram ();
68#endif
69
70#if defined(CFG_RAMBOOT)
71 puts (" DDR: ");
72 return dram_size;
73#endif
74
75#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
76 /*
77 * Initialize and enable DDR ECC.
78 */
79 ddr_enable_ecc (dram_size);
80#endif
81
82 puts (" DDR: ");
83 return dram_size;
84}
85
86#if defined(CFG_DRAM_TEST)
87int testdram (void)
88{
89 uint *pstart = (uint *) CFG_MEMTEST_START;
90 uint *pend = (uint *) CFG_MEMTEST_END;
91 uint *p;
92
93 puts ("SDRAM test phase 1:\n");
94 for (p = pstart; p < pend; p++)
95 *p = 0xaaaaaaaa;
96
97 for (p = pstart; p < pend; p++) {
98 if (*p != 0xaaaaaaaa) {
99 printf ("SDRAM test fails at: %08x\n", (uint) p);
100 return 1;
101 }
102 }
103
104 puts ("SDRAM test phase 2:\n");
105 for (p = pstart; p < pend; p++)
106 *p = 0x55555555;
107
108 for (p = pstart; p < pend; p++) {
109 if (*p != 0x55555555) {
110 printf ("SDRAM test fails at: %08x\n", (uint) p);
111 return 1;
112 }
113 }
114
115 puts ("SDRAM test passed.\n");
116 return 0;
117}
118#endif
119
120#if !defined(CONFIG_SPD_EEPROM)
121/*
122 * Fixed sdram init -- doesn't use serial presence detect.
123 */
124long int fixed_sdram (void)
125{
126#if !defined(CFG_RAMBOOT)
127 volatile immap_t *immap = (immap_t *) CFG_IMMR;
128 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
129
130 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
131 ddr->cs1_bnds = CFG_DDR_CS1_BNDS;
132 ddr->cs2_bnds = CFG_DDR_CS2_BNDS;
133 ddr->cs3_bnds = CFG_DDR_CS3_BNDS;
134 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
135 ddr->cs1_config = CFG_DDR_CS1_CONFIG;
136 ddr->cs2_config = CFG_DDR_CS2_CONFIG;
137 ddr->cs3_config = CFG_DDR_CS3_CONFIG;
Kumar Gala45239cf2008-04-29 10:27:08 -0500138 ddr->timing_cfg_3 = CFG_DDR_TIMING_3;
Joe Hamman8ac27322007-08-09 15:10:53 -0500139 ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
140 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
141 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
142 ddr->sdram_cfg_1 = CFG_DDR_CFG_1A;
143 ddr->sdram_cfg_2 = CFG_DDR_CFG_2;
144 ddr->sdram_mode_1 = CFG_DDR_MODE_1;
145 ddr->sdram_mode_2 = CFG_DDR_MODE_2;
146 ddr->sdram_mode_cntl = CFG_DDR_MODE_CTL;
147 ddr->sdram_interval = CFG_DDR_INTERVAL;
148 ddr->sdram_data_init = CFG_DDR_DATA_INIT;
149 ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
150
151 asm ("sync;isync");
152
153 udelay (500);
154
155 ddr->sdram_cfg_1 = CFG_DDR_CFG_1B;
156 asm ("sync; isync");
157
158 udelay (500);
159 ddr = &immap->im_ddr2;
160
161 ddr->cs0_bnds = CFG_DDR2_CS0_BNDS;
162 ddr->cs1_bnds = CFG_DDR2_CS1_BNDS;
163 ddr->cs2_bnds = CFG_DDR2_CS2_BNDS;
164 ddr->cs3_bnds = CFG_DDR2_CS3_BNDS;
165 ddr->cs0_config = CFG_DDR2_CS0_CONFIG;
166 ddr->cs1_config = CFG_DDR2_CS1_CONFIG;
167 ddr->cs2_config = CFG_DDR2_CS2_CONFIG;
168 ddr->cs3_config = CFG_DDR2_CS3_CONFIG;
Kumar Gala45239cf2008-04-29 10:27:08 -0500169 ddr->timing_cfg_3 = CFG_DDR2_EXT_REFRESH;
Joe Hamman8ac27322007-08-09 15:10:53 -0500170 ddr->timing_cfg_0 = CFG_DDR2_TIMING_0;
171 ddr->timing_cfg_1 = CFG_DDR2_TIMING_1;
172 ddr->timing_cfg_2 = CFG_DDR2_TIMING_2;
173 ddr->sdram_cfg_1 = CFG_DDR2_CFG_1A;
174 ddr->sdram_cfg_2 = CFG_DDR2_CFG_2;
175 ddr->sdram_mode_1 = CFG_DDR2_MODE_1;
176 ddr->sdram_mode_2 = CFG_DDR2_MODE_2;
177 ddr->sdram_mode_cntl = CFG_DDR2_MODE_CTL;
178 ddr->sdram_interval = CFG_DDR2_INTERVAL;
179 ddr->sdram_data_init = CFG_DDR2_DATA_INIT;
180 ddr->sdram_clk_cntl = CFG_DDR2_CLK_CTRL;
181
182 asm ("sync;isync");
183
184 udelay (500);
185
186 ddr->sdram_cfg_1 = CFG_DDR2_CFG_1B;
187 asm ("sync; isync");
188
189 udelay (500);
190#endif
191 return CFG_SDRAM_SIZE * 1024 * 1024;
192}
193#endif /* !defined(CONFIG_SPD_EEPROM) */
194
195#if defined(CONFIG_PCI)
196/*
197 * Initialize PCI Devices, report devices found.
198 */
199
200#ifndef CONFIG_PCI_PNP
201static struct pci_config_table pci_fsl86xxads_config_table[] = {
202 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
203 PCI_IDSEL_NUMBER, PCI_ANY_ID,
204 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
205 PCI_ENET0_MEMADDR,
206 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
207 {}
208};
209#endif
210
Joe Hammancca34962007-08-11 06:54:58 -0500211static struct pci_controller pci1_hose = {
Joe Hamman8ac27322007-08-09 15:10:53 -0500212#ifndef CONFIG_PCI_PNP
Joe Hammancca34962007-08-11 06:54:58 -0500213 config_table:pci_mpc86xxcts_config_table
Joe Hamman8ac27322007-08-09 15:10:53 -0500214#endif
215};
Joe Hammancca34962007-08-11 06:54:58 -0500216#endif /* CONFIG_PCI */
Joe Hamman8ac27322007-08-09 15:10:53 -0500217
Joe Hammancca34962007-08-11 06:54:58 -0500218#ifdef CONFIG_PCI2
219static struct pci_controller pci2_hose;
220#endif /* CONFIG_PCI2 */
Joe Hamman8ac27322007-08-09 15:10:53 -0500221
Joe Hammancca34962007-08-11 06:54:58 -0500222int first_free_busno = 0;
223
224void pci_init_board(void)
Joe Hamman8ac27322007-08-09 15:10:53 -0500225{
Joe Hammancca34962007-08-11 06:54:58 -0500226 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
227 volatile ccsr_gur_t *gur = &immap->im_gur;
228 uint devdisr = gur->devdisr;
Jon Loeliger33fa5c02008-02-25 13:13:37 -0600229 uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
230 >> MPC8641_PORDEVSR_IO_SEL_SHIFT;
Joe Hamman8ac27322007-08-09 15:10:53 -0500231
Joe Hammancca34962007-08-11 06:54:58 -0500232#ifdef CONFIG_PCI1
233{
234 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
235 extern void fsl_pci_init(struct pci_controller *hose);
236 struct pci_controller *hose = &pci1_hose;
237#ifdef DEBUG
Jon Loeliger33fa5c02008-02-25 13:13:37 -0600238 uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA)
239 >> MPC8641_PORBMSR_HA_SHIFT;
Joe Hammancca34962007-08-11 06:54:58 -0500240 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
241#endif
242 if ((io_sel == 2 || io_sel == 3 || io_sel == 5
243 || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
244 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
245 debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
246 debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
247 if (pci->pme_msg_det) {
248 pci->pme_msg_det = 0xffffffff;
249 debug(" with errors. Clearing. Now 0x%08x",
250 pci->pme_msg_det);
251 }
252 debug("\n");
253
254 /* inbound */
255 pci_set_region(hose->regions + 0,
256 CFG_PCI_MEMORY_BUS,
257 CFG_PCI_MEMORY_PHYS,
258 CFG_PCI_MEMORY_SIZE,
259 PCI_REGION_MEM | PCI_REGION_MEMORY);
260
261 /* outbound memory */
262 pci_set_region(hose->regions + 1,
263 CFG_PCI1_MEM_BASE,
264 CFG_PCI1_MEM_PHYS,
265 CFG_PCI1_MEM_SIZE,
266 PCI_REGION_MEM);
267
268 /* outbound io */
269 pci_set_region(hose->regions + 2,
270 CFG_PCI1_IO_BASE,
271 CFG_PCI1_IO_PHYS,
272 CFG_PCI1_IO_SIZE,
273 PCI_REGION_IO);
274
275 hose->region_count = 3;
276
277 hose->first_busno=first_free_busno;
278 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
279
280 fsl_pci_init(hose);
281
282 first_free_busno=hose->last_busno+1;
283 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
284 hose->first_busno,hose->last_busno);
285
286 } else {
287 puts("PCI-EXPRESS 1: Disabled\n");
288 }
289}
290#else
291 puts("PCI-EXPRESS1: Disabled\n");
292#endif /* CONFIG_PCI1 */
293
294#ifdef CONFIG_PCI2
295{
296 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
297 extern void fsl_pci_init(struct pci_controller *hose);
298 struct pci_controller *hose = &pci2_hose;
299
300
301 /* inbound */
302 pci_set_region(hose->regions + 0,
303 CFG_PCI_MEMORY_BUS,
304 CFG_PCI_MEMORY_PHYS,
305 CFG_PCI_MEMORY_SIZE,
306 PCI_REGION_MEM | PCI_REGION_MEMORY);
307
308 /* outbound memory */
309 pci_set_region(hose->regions + 1,
310 CFG_PCI2_MEM_BASE,
311 CFG_PCI2_MEM_PHYS,
312 CFG_PCI2_MEM_SIZE,
313 PCI_REGION_MEM);
314
315 /* outbound io */
316 pci_set_region(hose->regions + 2,
317 CFG_PCI2_IO_BASE,
318 CFG_PCI2_IO_PHYS,
319 CFG_PCI2_IO_SIZE,
320 PCI_REGION_IO);
321
322 hose->region_count = 3;
323
324 hose->first_busno=first_free_busno;
325 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
326
327 fsl_pci_init(hose);
328
329 first_free_busno=hose->last_busno+1;
330 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
331 hose->first_busno,hose->last_busno);
332}
333#else
334 puts("PCI-EXPRESS 2: Disabled\n");
335#endif /* CONFIG_PCI2 */
336
Joe Hamman8ac27322007-08-09 15:10:53 -0500337}
338
Jon Loeliger13f54332008-02-18 14:01:56 -0600339
340#if defined(CONFIG_OF_BOARD_SETUP)
341
342void
343ft_board_setup (void *blob, bd_t *bd)
Joe Hamman8ac27322007-08-09 15:10:53 -0500344{
Jon Loeliger13f54332008-02-18 14:01:56 -0600345 int node, tmp[2];
346 const char *path;
Joe Hamman8ac27322007-08-09 15:10:53 -0500347
Jon Loeliger13f54332008-02-18 14:01:56 -0600348 ft_cpu_setup(blob, bd);
Joe Hamman8ac27322007-08-09 15:10:53 -0500349
Jon Loeliger13f54332008-02-18 14:01:56 -0600350 node = fdt_path_offset(blob, "/aliases");
351 tmp[0] = 0;
352 if (node >= 0) {
353#ifdef CONFIG_PCI1
354 path = fdt_getprop(blob, node, "pci0", NULL);
355 if (path) {
356 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
357 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
358 }
359#endif
360#ifdef CONFIG_PCI2
361 path = fdt_getprop(blob, node, "pci1", NULL);
362 if (path) {
363 tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;
364 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
365 }
366#endif
Joe Hamman8ac27322007-08-09 15:10:53 -0500367 }
368}
369#endif
370
371void sbc8641d_reset_board (void)
372{
373 puts ("Resetting board....\n");
374}
375
376/*
377 * get_board_sys_clk
378 * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
379 */
380
381unsigned long get_board_sys_clk (ulong dummy)
382{
383 int i;
384 ulong val = 0;
385
386 i = 5;
387 i &= 0x07;
388
389 switch (i) {
390 case 0:
391 val = 33000000;
392 break;
393 case 1:
394 val = 40000000;
395 break;
396 case 2:
397 val = 50000000;
398 break;
399 case 3:
400 val = 66000000;
401 break;
402 case 4:
403 val = 83000000;
404 break;
405 case 5:
406 val = 100000000;
407 break;
408 case 6:
409 val = 134000000;
410 break;
411 case 7:
412 val = 166000000;
413 break;
414 }
415
416 return val;
417}