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 #if defined(CONFIG_OF_FLAT_TREE)
41 extern void ft_cpu_setup (void *blob, bd_t * bd);
44 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
45 extern void ddr_enable_ecc (unsigned int dram_size);
48 #if defined(CONFIG_SPD_EEPROM)
49 #include "spd_sdram.h"
52 void sdram_init (void);
53 long int fixed_sdram (void);
55 int board_early_init_f (void)
62 puts ("Board: Wind River SBC8641D\n");
67 long int initdram (int board_type)
71 #if defined(CONFIG_SPD_EEPROM)
72 dram_size = spd_sdram ();
74 dram_size = fixed_sdram ();
77 #if defined(CFG_RAMBOOT)
82 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
84 * Initialize and enable DDR ECC.
86 ddr_enable_ecc (dram_size);
93 #if defined(CFG_DRAM_TEST)
96 uint *pstart = (uint *) CFG_MEMTEST_START;
97 uint *pend = (uint *) CFG_MEMTEST_END;
100 puts ("SDRAM test phase 1:\n");
101 for (p = pstart; p < pend; p++)
104 for (p = pstart; p < pend; p++) {
105 if (*p != 0xaaaaaaaa) {
106 printf ("SDRAM test fails at: %08x\n", (uint) p);
111 puts ("SDRAM test phase 2:\n");
112 for (p = pstart; p < pend; p++)
115 for (p = pstart; p < pend; p++) {
116 if (*p != 0x55555555) {
117 printf ("SDRAM test fails at: %08x\n", (uint) p);
122 puts ("SDRAM test passed.\n");
127 #if !defined(CONFIG_SPD_EEPROM)
129 * Fixed sdram init -- doesn't use serial presence detect.
131 long int fixed_sdram (void)
133 #if !defined(CFG_RAMBOOT)
134 volatile immap_t *immap = (immap_t *) CFG_IMMR;
135 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
137 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
138 ddr->cs1_bnds = CFG_DDR_CS1_BNDS;
139 ddr->cs2_bnds = CFG_DDR_CS2_BNDS;
140 ddr->cs3_bnds = CFG_DDR_CS3_BNDS;
141 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
142 ddr->cs1_config = CFG_DDR_CS1_CONFIG;
143 ddr->cs2_config = CFG_DDR_CS2_CONFIG;
144 ddr->cs3_config = CFG_DDR_CS3_CONFIG;
145 ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
146 ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
147 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
148 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
149 ddr->sdram_cfg_1 = CFG_DDR_CFG_1A;
150 ddr->sdram_cfg_2 = CFG_DDR_CFG_2;
151 ddr->sdram_mode_1 = CFG_DDR_MODE_1;
152 ddr->sdram_mode_2 = CFG_DDR_MODE_2;
153 ddr->sdram_mode_cntl = CFG_DDR_MODE_CTL;
154 ddr->sdram_interval = CFG_DDR_INTERVAL;
155 ddr->sdram_data_init = CFG_DDR_DATA_INIT;
156 ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
162 ddr->sdram_cfg_1 = CFG_DDR_CFG_1B;
166 ddr = &immap->im_ddr2;
168 ddr->cs0_bnds = CFG_DDR2_CS0_BNDS;
169 ddr->cs1_bnds = CFG_DDR2_CS1_BNDS;
170 ddr->cs2_bnds = CFG_DDR2_CS2_BNDS;
171 ddr->cs3_bnds = CFG_DDR2_CS3_BNDS;
172 ddr->cs0_config = CFG_DDR2_CS0_CONFIG;
173 ddr->cs1_config = CFG_DDR2_CS1_CONFIG;
174 ddr->cs2_config = CFG_DDR2_CS2_CONFIG;
175 ddr->cs3_config = CFG_DDR2_CS3_CONFIG;
176 ddr->ext_refrec = CFG_DDR2_EXT_REFRESH;
177 ddr->timing_cfg_0 = CFG_DDR2_TIMING_0;
178 ddr->timing_cfg_1 = CFG_DDR2_TIMING_1;
179 ddr->timing_cfg_2 = CFG_DDR2_TIMING_2;
180 ddr->sdram_cfg_1 = CFG_DDR2_CFG_1A;
181 ddr->sdram_cfg_2 = CFG_DDR2_CFG_2;
182 ddr->sdram_mode_1 = CFG_DDR2_MODE_1;
183 ddr->sdram_mode_2 = CFG_DDR2_MODE_2;
184 ddr->sdram_mode_cntl = CFG_DDR2_MODE_CTL;
185 ddr->sdram_interval = CFG_DDR2_INTERVAL;
186 ddr->sdram_data_init = CFG_DDR2_DATA_INIT;
187 ddr->sdram_clk_cntl = CFG_DDR2_CLK_CTRL;
193 ddr->sdram_cfg_1 = CFG_DDR2_CFG_1B;
198 return CFG_SDRAM_SIZE * 1024 * 1024;
200 #endif /* !defined(CONFIG_SPD_EEPROM) */
202 #if defined(CONFIG_PCI)
204 * Initialize PCI Devices, report devices found.
207 #ifndef CONFIG_PCI_PNP
208 static struct pci_config_table pci_fsl86xxads_config_table[] = {
209 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
210 PCI_IDSEL_NUMBER, PCI_ANY_ID,
211 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
213 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
218 static struct pci_controller pci1_hose = {
219 #ifndef CONFIG_PCI_PNP
220 config_table:pci_mpc86xxcts_config_table
223 #endif /* CONFIG_PCI */
226 static struct pci_controller pci2_hose;
227 #endif /* CONFIG_PCI2 */
229 int first_free_busno = 0;
231 void pci_init_board(void)
233 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
234 volatile ccsr_gur_t *gur = &immap->im_gur;
235 uint devdisr = gur->devdisr;
236 uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
240 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
241 extern void fsl_pci_init(struct pci_controller *hose);
242 struct pci_controller *hose = &pci1_hose;
244 uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
245 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
247 if ((io_sel == 2 || io_sel == 3 || io_sel == 5
248 || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
249 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
250 debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
251 debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
252 if (pci->pme_msg_det) {
253 pci->pme_msg_det = 0xffffffff;
254 debug(" with errors. Clearing. Now 0x%08x",
260 pci_set_region(hose->regions + 0,
264 PCI_REGION_MEM | PCI_REGION_MEMORY);
266 /* outbound memory */
267 pci_set_region(hose->regions + 1,
274 pci_set_region(hose->regions + 2,
280 hose->region_count = 3;
282 hose->first_busno=first_free_busno;
283 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
287 first_free_busno=hose->last_busno+1;
288 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
289 hose->first_busno,hose->last_busno);
292 puts("PCI-EXPRESS 1: Disabled\n");
296 puts("PCI-EXPRESS1: Disabled\n");
297 #endif /* CONFIG_PCI1 */
301 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
302 extern void fsl_pci_init(struct pci_controller *hose);
303 struct pci_controller *hose = &pci2_hose;
307 pci_set_region(hose->regions + 0,
311 PCI_REGION_MEM | PCI_REGION_MEMORY);
313 /* outbound memory */
314 pci_set_region(hose->regions + 1,
321 pci_set_region(hose->regions + 2,
327 hose->region_count = 3;
329 hose->first_busno=first_free_busno;
330 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
334 first_free_busno=hose->last_busno+1;
335 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
336 hose->first_busno,hose->last_busno);
339 puts("PCI-EXPRESS 2: Disabled\n");
340 #endif /* CONFIG_PCI2 */
344 #if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
345 void ft_board_setup (void *blob, bd_t * bd)
350 ft_cpu_setup (blob, bd);
352 p = ft_get_prop (blob, "/memory/reg", &len);
354 *p++ = cpu_to_be32 (bd->bi_memstart);
355 *p = cpu_to_be32 (bd->bi_memsize);
360 void sbc8641d_reset_board (void)
362 puts ("Resetting board....\n");
367 * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
370 unsigned long get_board_sys_clk (ulong dummy)