2 * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
3 * Copyright 2007 Embedded Specialties, Inc.
4 * Joe Hamman joe.hamman@embeddedspecialties.com
6 * Copyright 2004 Freescale Semiconductor.
8 * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
10 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
12 * See file CREDITS for list of people who contributed to this
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.
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.
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,
34 #include <asm/processor.h>
35 #include <asm/immap_86xx.h>
36 #include <asm/immap_fsl_pci.h>
39 #include <fdt_support.h>
41 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
42 extern void ddr_enable_ecc (unsigned int dram_size);
45 #if defined(CONFIG_SPD_EEPROM)
46 #include "spd_sdram.h"
49 void sdram_init (void);
50 long int fixed_sdram (void);
52 int board_early_init_f (void)
59 puts ("Board: Wind River SBC8641D\n");
64 long int initdram (int board_type)
68 #if defined(CONFIG_SPD_EEPROM)
69 dram_size = spd_sdram ();
71 dram_size = fixed_sdram ();
74 #if defined(CFG_RAMBOOT)
79 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
81 * Initialize and enable DDR ECC.
83 ddr_enable_ecc (dram_size);
90 #if defined(CFG_DRAM_TEST)
93 uint *pstart = (uint *) CFG_MEMTEST_START;
94 uint *pend = (uint *) CFG_MEMTEST_END;
97 puts ("SDRAM test phase 1:\n");
98 for (p = pstart; p < pend; p++)
101 for (p = pstart; p < pend; p++) {
102 if (*p != 0xaaaaaaaa) {
103 printf ("SDRAM test fails at: %08x\n", (uint) p);
108 puts ("SDRAM test phase 2:\n");
109 for (p = pstart; p < pend; p++)
112 for (p = pstart; p < pend; p++) {
113 if (*p != 0x55555555) {
114 printf ("SDRAM test fails at: %08x\n", (uint) p);
119 puts ("SDRAM test passed.\n");
124 #if !defined(CONFIG_SPD_EEPROM)
126 * Fixed sdram init -- doesn't use serial presence detect.
128 long int fixed_sdram (void)
130 #if !defined(CFG_RAMBOOT)
131 volatile immap_t *immap = (immap_t *) CFG_IMMR;
132 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
134 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
135 ddr->cs1_bnds = CFG_DDR_CS1_BNDS;
136 ddr->cs2_bnds = CFG_DDR_CS2_BNDS;
137 ddr->cs3_bnds = CFG_DDR_CS3_BNDS;
138 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
139 ddr->cs1_config = CFG_DDR_CS1_CONFIG;
140 ddr->cs2_config = CFG_DDR_CS2_CONFIG;
141 ddr->cs3_config = CFG_DDR_CS3_CONFIG;
142 ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
143 ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
144 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
145 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
146 ddr->sdram_cfg_1 = CFG_DDR_CFG_1A;
147 ddr->sdram_cfg_2 = CFG_DDR_CFG_2;
148 ddr->sdram_mode_1 = CFG_DDR_MODE_1;
149 ddr->sdram_mode_2 = CFG_DDR_MODE_2;
150 ddr->sdram_mode_cntl = CFG_DDR_MODE_CTL;
151 ddr->sdram_interval = CFG_DDR_INTERVAL;
152 ddr->sdram_data_init = CFG_DDR_DATA_INIT;
153 ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
159 ddr->sdram_cfg_1 = CFG_DDR_CFG_1B;
163 ddr = &immap->im_ddr2;
165 ddr->cs0_bnds = CFG_DDR2_CS0_BNDS;
166 ddr->cs1_bnds = CFG_DDR2_CS1_BNDS;
167 ddr->cs2_bnds = CFG_DDR2_CS2_BNDS;
168 ddr->cs3_bnds = CFG_DDR2_CS3_BNDS;
169 ddr->cs0_config = CFG_DDR2_CS0_CONFIG;
170 ddr->cs1_config = CFG_DDR2_CS1_CONFIG;
171 ddr->cs2_config = CFG_DDR2_CS2_CONFIG;
172 ddr->cs3_config = CFG_DDR2_CS3_CONFIG;
173 ddr->ext_refrec = CFG_DDR2_EXT_REFRESH;
174 ddr->timing_cfg_0 = CFG_DDR2_TIMING_0;
175 ddr->timing_cfg_1 = CFG_DDR2_TIMING_1;
176 ddr->timing_cfg_2 = CFG_DDR2_TIMING_2;
177 ddr->sdram_cfg_1 = CFG_DDR2_CFG_1A;
178 ddr->sdram_cfg_2 = CFG_DDR2_CFG_2;
179 ddr->sdram_mode_1 = CFG_DDR2_MODE_1;
180 ddr->sdram_mode_2 = CFG_DDR2_MODE_2;
181 ddr->sdram_mode_cntl = CFG_DDR2_MODE_CTL;
182 ddr->sdram_interval = CFG_DDR2_INTERVAL;
183 ddr->sdram_data_init = CFG_DDR2_DATA_INIT;
184 ddr->sdram_clk_cntl = CFG_DDR2_CLK_CTRL;
190 ddr->sdram_cfg_1 = CFG_DDR2_CFG_1B;
195 return CFG_SDRAM_SIZE * 1024 * 1024;
197 #endif /* !defined(CONFIG_SPD_EEPROM) */
199 #if defined(CONFIG_PCI)
201 * Initialize PCI Devices, report devices found.
204 #ifndef CONFIG_PCI_PNP
205 static struct pci_config_table pci_fsl86xxads_config_table[] = {
206 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
207 PCI_IDSEL_NUMBER, PCI_ANY_ID,
208 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
210 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
215 static struct pci_controller pci1_hose = {
216 #ifndef CONFIG_PCI_PNP
217 config_table:pci_mpc86xxcts_config_table
220 #endif /* CONFIG_PCI */
223 static struct pci_controller pci2_hose;
224 #endif /* CONFIG_PCI2 */
226 int first_free_busno = 0;
228 void pci_init_board(void)
230 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
231 volatile ccsr_gur_t *gur = &immap->im_gur;
232 uint devdisr = gur->devdisr;
233 uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
237 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
238 extern void fsl_pci_init(struct pci_controller *hose);
239 struct pci_controller *hose = &pci1_hose;
241 uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
242 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
244 if ((io_sel == 2 || io_sel == 3 || io_sel == 5
245 || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
246 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
247 debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
248 debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
249 if (pci->pme_msg_det) {
250 pci->pme_msg_det = 0xffffffff;
251 debug(" with errors. Clearing. Now 0x%08x",
257 pci_set_region(hose->regions + 0,
261 PCI_REGION_MEM | PCI_REGION_MEMORY);
263 /* outbound memory */
264 pci_set_region(hose->regions + 1,
271 pci_set_region(hose->regions + 2,
277 hose->region_count = 3;
279 hose->first_busno=first_free_busno;
280 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
284 first_free_busno=hose->last_busno+1;
285 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
286 hose->first_busno,hose->last_busno);
289 puts("PCI-EXPRESS 1: Disabled\n");
293 puts("PCI-EXPRESS1: Disabled\n");
294 #endif /* CONFIG_PCI1 */
298 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
299 extern void fsl_pci_init(struct pci_controller *hose);
300 struct pci_controller *hose = &pci2_hose;
304 pci_set_region(hose->regions + 0,
308 PCI_REGION_MEM | PCI_REGION_MEMORY);
310 /* outbound memory */
311 pci_set_region(hose->regions + 1,
318 pci_set_region(hose->regions + 2,
324 hose->region_count = 3;
326 hose->first_busno=first_free_busno;
327 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
331 first_free_busno=hose->last_busno+1;
332 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
333 hose->first_busno,hose->last_busno);
336 puts("PCI-EXPRESS 2: Disabled\n");
337 #endif /* CONFIG_PCI2 */
342 #if defined(CONFIG_OF_BOARD_SETUP)
345 ft_board_setup (void *blob, bd_t *bd)
350 ft_cpu_setup(blob, bd);
352 node = fdt_path_offset(blob, "/aliases");
356 path = fdt_getprop(blob, node, "pci0", NULL);
358 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
359 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
363 path = fdt_getprop(blob, node, "pci1", NULL);
365 tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;
366 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
373 void sbc8641d_reset_board (void)
375 puts ("Resetting board....\n");
380 * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
383 unsigned long get_board_sys_clk (ulong dummy)