2 * Copyright 2007 Freescale Semiconductor, Inc.
4 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 #include <asm/processor.h>
27 #include <asm/immap_86xx.h>
28 #include <asm/immap_fsl_pci.h>
33 #include <fdt_support.h>
35 #include "../common/pixis.h"
37 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
38 extern void ddr_enable_ecc(unsigned int dram_size);
41 #if defined(CONFIG_SPD_EEPROM)
42 #include "spd_sdram.h"
45 void sdram_init(void);
46 long int fixed_sdram(void);
47 void mpc8610hpcd_diu_init(void);
50 /* called before any console output */
51 int board_early_init_f(void)
53 volatile immap_t *immap = (immap_t *)CFG_IMMR;
54 volatile ccsr_gur_t *gur = &immap->im_gur;
56 gur->gpiocr |= 0x88aa5500; /* DIU16, IR1, UART0, UART2 */
65 /*Do not use 8259PIC*/
66 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
67 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x80);
69 /*For FPGA V7 or higher, set the IRQMAPSEL to 0 to use MAP0 interrupt*/
70 version = in8(PIXIS_BASE + PIXIS_PVER);
72 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
73 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xbf);
76 /* Using this for DIU init before the driver in linux takes over
77 * Enable the TFP410 Encoder (I2C address 0x38)
81 i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
82 /* Verify if enabled */
84 i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
85 debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
88 i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
89 /* Verify if enabled */
91 i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
92 debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
94 #ifdef CONFIG_FSL_DIU_FB
95 mpc8610hpcd_diu_init();
103 volatile immap_t *immap = (immap_t *)CFG_IMMR;
104 volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
106 puts("Board: MPC8610HPCD\n");
108 mcm->abcr |= 0x00010000; /* 0 */
109 mcm->hpmr3 = 0x80000008; /* 4c */
121 initdram(int board_type)
125 #if defined(CONFIG_SPD_EEPROM)
126 dram_size = spd_sdram();
128 dram_size = fixed_sdram();
131 #if defined(CFG_RAMBOOT)
136 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
138 * Initialize and enable DDR ECC.
140 ddr_enable_ecc(dram_size);
148 #if defined(CFG_DRAM_TEST)
152 uint *pstart = (uint *) CFG_MEMTEST_START;
153 uint *pend = (uint *) CFG_MEMTEST_END;
156 puts("SDRAM test phase 1:\n");
157 for (p = pstart; p < pend; p++)
160 for (p = pstart; p < pend; p++) {
161 if (*p != 0xaaaaaaaa) {
162 printf("SDRAM test fails at: %08x\n", (uint) p);
167 puts("SDRAM test phase 2:\n");
168 for (p = pstart; p < pend; p++)
171 for (p = pstart; p < pend; p++) {
172 if (*p != 0x55555555) {
173 printf("SDRAM test fails at: %08x\n", (uint) p);
178 puts("SDRAM test passed.\n");
184 #if !defined(CONFIG_SPD_EEPROM)
186 * Fixed sdram init -- doesn't use serial presence detect.
189 long int fixed_sdram(void)
191 #if !defined(CFG_RAMBOOT)
192 volatile immap_t *immap = (immap_t *)CFG_IMMR;
193 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
196 ddr->cs0_bnds = 0x0000001f;
197 ddr->cs0_config = 0x80010202;
199 ddr->ext_refrec = 0x00000000;
200 ddr->timing_cfg_0 = 0x00260802;
201 ddr->timing_cfg_1 = 0x3935d322;
202 ddr->timing_cfg_2 = 0x14904cc8;
203 ddr->sdram_mode_1 = 0x00480432;
204 ddr->sdram_mode_2 = 0x00000000;
205 ddr->sdram_interval = 0x06180fff; /* 0x06180100; */
206 ddr->sdram_data_init = 0xDEADBEEF;
207 ddr->sdram_clk_cntl = 0x03800000;
208 ddr->sdram_cfg_2 = 0x04400010;
210 #if defined(CONFIG_DDR_ECC)
211 ddr->err_int_en = 0x0000000d;
212 ddr->err_disable = 0x00000000;
213 ddr->err_sbe = 0x00010000;
219 ddr->sdram_cfg_1 = 0xc3000000; /* 0xe3008000;*/
222 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
224 debug("DDR - 1st controller: memory initializing\n");
226 * Poll until memory is initialized.
227 * 512 Meg at 400 might hit this 200 times or so.
229 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
232 debug("DDR: memory initialized\n\n");
237 return 512 * 1024 * 1024;
239 return CFG_SDRAM_SIZE * 1024 * 1024;
244 #if defined(CONFIG_PCI)
246 * Initialize PCI Devices, report devices found.
249 #ifndef CONFIG_PCI_PNP
250 static struct pci_config_table pci_fsl86xxads_config_table[] = {
251 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
252 PCI_IDSEL_NUMBER, PCI_ANY_ID,
253 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
255 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} },
261 static struct pci_controller pci1_hose = {
262 #ifndef CONFIG_PCI_PNP
263 config_table:pci_mpc86xxcts_config_table
266 #endif /* CONFIG_PCI */
269 static struct pci_controller pcie1_hose;
273 static struct pci_controller pcie2_hose;
276 int first_free_busno = 0;
278 void pci_init_board(void)
280 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
281 volatile ccsr_gur_t *gur = &immap->im_gur;
282 uint devdisr = gur->devdisr;
283 uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 19;
284 uint host_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 16;
286 printf( " pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
287 devdisr, io_sel, host_agent);
291 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
292 extern void fsl_pci_init(struct pci_controller *hose);
293 struct pci_controller *hose = &pcie1_hose;
294 int pcie_configured = (io_sel == 1) || (io_sel == 4);
295 int pcie_ep = (host_agent == 0) || (host_agent == 2) ||
298 if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)) {
299 printf(" PCIe 1 connected to Uli as %s (base address %x)\n",
300 pcie_ep ? "End Point" : "Root Complex",
302 if (pci->pme_msg_det)
303 pci->pme_msg_det = 0xffffffff;
306 pci_set_region(hose->regions + 0,
310 PCI_REGION_MEM | PCI_REGION_MEMORY);
312 /* outbound memory */
313 pci_set_region(hose->regions + 1,
320 pci_set_region(hose->regions + 2,
326 hose->region_count = 3;
328 hose->first_busno = first_free_busno;
329 pci_setup_indirect(hose, (int)&pci->cfg_addr,
330 (int)&pci->cfg_data);
334 first_free_busno = hose->last_busno + 1;
335 printf(" PCI-Express 1 on bus %02x - %02x\n",
336 hose->first_busno, hose->last_busno);
339 puts(" PCI-Express 1: Disabled\n");
342 puts("PCI-Express 1: Disabled\n");
343 #endif /* CONFIG_PCIE1 */
348 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE2_ADDR;
349 extern void fsl_pci_init(struct pci_controller *hose);
350 struct pci_controller *hose = &pcie2_hose;
352 int pcie_configured = (io_sel == 0) || (io_sel == 4);
353 int pcie_ep = (host_agent == 0) || (host_agent == 1) ||
356 if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)) {
357 printf(" PCI-Express 2 connected to slot as %s" \
358 " (base address %x)\n",
359 pcie_ep ? "End Point" : "Root Complex",
361 if (pci->pme_msg_det)
362 pci->pme_msg_det = 0xffffffff;
365 pci_set_region(hose->regions + 0,
369 PCI_REGION_MEM | PCI_REGION_MEMORY);
371 /* outbound memory */
372 pci_set_region(hose->regions + 1,
379 pci_set_region(hose->regions + 2,
385 hose->region_count = 3;
387 hose->first_busno = first_free_busno;
388 pci_setup_indirect(hose, (int)&pci->cfg_addr,
389 (int)&pci->cfg_data);
393 first_free_busno = hose->last_busno + 1;
394 printf(" PCI-Express 2 on bus %02x - %02x\n",
395 hose->first_busno, hose->last_busno);
397 puts(" PCI-Express 2: Disabled\n");
400 puts("PCI-Express 2: Disabled\n");
401 #endif /* CONFIG_PCIE2 */
406 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
407 extern void fsl_pci_init(struct pci_controller *hose);
408 struct pci_controller *hose = &pci1_hose;
409 int pci_agent = (host_agent >= 4) && (host_agent <= 6);
411 if ( !(devdisr & MPC86xx_DEVDISR_PCI1)) {
412 printf(" PCI connected to PCI slots as %s" \
413 " (base address %x)\n",
414 pci_agent ? "Agent" : "Host",
418 pci_set_region(hose->regions + 0,
422 PCI_REGION_MEM | PCI_REGION_MEMORY);
424 /* outbound memory */
425 pci_set_region(hose->regions + 1,
432 pci_set_region(hose->regions + 2,
438 hose->region_count = 3;
440 hose->first_busno = first_free_busno;
441 pci_setup_indirect(hose, (int) &pci->cfg_addr,
442 (int) &pci->cfg_data);
446 first_free_busno = hose->last_busno + 1;
447 printf(" PCI on bus %02x - %02x\n",
448 hose->first_busno, hose->last_busno);
452 puts(" PCI: Disabled\n");
454 #endif /* CONFIG_PCI1 */
457 #if defined(CONFIG_OF_BOARD_SETUP)
459 ft_board_setup(void *blob, bd_t *bd)
464 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
465 "timebase-frequency", bd->bi_busfreq / 4, 1);
466 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
467 "bus-frequency", bd->bi_busfreq, 1);
468 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
469 "clock-frequency", bd->bi_intfreq, 1);
470 do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
471 "bus-frequency", bd->bi_busfreq, 1);
473 do_fixup_by_compat_u32(blob, "ns16550",
474 "clock-frequency", bd->bi_busfreq, 1);
476 fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize);
479 node = fdt_path_offset(blob, "/aliases");
484 path = fdt_getprop(blob, node, "pci0", NULL);
486 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
487 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
492 path = fdt_getprop(blob, node, "pci1", NULL);
494 tmp[1] = pcie1_hose.last_busno
495 - pcie1_hose.first_busno;
496 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
500 path = fdt_getprop(blob, node, "pci2", NULL);
502 tmp[1] = pcie2_hose.last_busno
503 - pcie2_hose.first_busno;
504 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
513 * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
517 get_board_sys_clk(ulong dummy)
523 a = PIXIS_BASE + PIXIS_SPD;