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>
37 #include <spd_sdram.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 void sdram_init (void);
46 long int fixed_sdram (void);
48 int board_early_init_f (void)
55 puts ("Board: Wind River SBC8641D\n");
60 long int initdram (int board_type)
64 #if defined(CONFIG_SPD_EEPROM)
65 dram_size = spd_sdram ();
67 dram_size = fixed_sdram ();
70 #if defined(CFG_RAMBOOT)
75 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
77 * Initialize and enable DDR ECC.
79 ddr_enable_ecc (dram_size);
86 #if defined(CFG_DRAM_TEST)
89 uint *pstart = (uint *) CFG_MEMTEST_START;
90 uint *pend = (uint *) CFG_MEMTEST_END;
93 puts ("SDRAM test phase 1:\n");
94 for (p = pstart; p < pend; p++)
97 for (p = pstart; p < pend; p++) {
98 if (*p != 0xaaaaaaaa) {
99 printf ("SDRAM test fails at: %08x\n", (uint) p);
104 puts ("SDRAM test phase 2:\n");
105 for (p = pstart; p < pend; p++)
108 for (p = pstart; p < pend; p++) {
109 if (*p != 0x55555555) {
110 printf ("SDRAM test fails at: %08x\n", (uint) p);
115 puts ("SDRAM test passed.\n");
120 #if !defined(CONFIG_SPD_EEPROM)
122 * Fixed sdram init -- doesn't use serial presence detect.
124 long int fixed_sdram (void)
126 #if !defined(CFG_RAMBOOT)
127 volatile immap_t *immap = (immap_t *) CFG_IMMR;
128 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
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;
138 ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
139 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;
155 ddr->sdram_cfg_1 = CFG_DDR_CFG_1B;
159 ddr = &immap->im_ddr2;
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;
169 ddr->ext_refrec = CFG_DDR2_EXT_REFRESH;
170 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;
186 ddr->sdram_cfg_1 = CFG_DDR2_CFG_1B;
191 return CFG_SDRAM_SIZE * 1024 * 1024;
193 #endif /* !defined(CONFIG_SPD_EEPROM) */
195 #if defined(CONFIG_PCI)
197 * Initialize PCI Devices, report devices found.
200 #ifndef CONFIG_PCI_PNP
201 static 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,
206 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
211 static struct pci_controller pci1_hose = {
212 #ifndef CONFIG_PCI_PNP
213 config_table:pci_mpc86xxcts_config_table
216 #endif /* CONFIG_PCI */
219 static struct pci_controller pci2_hose;
220 #endif /* CONFIG_PCI2 */
222 int first_free_busno = 0;
224 void pci_init_board(void)
226 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
227 volatile ccsr_gur_t *gur = &immap->im_gur;
228 uint devdisr = gur->devdisr;
229 uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
230 >> MPC8641_PORDEVSR_IO_SEL_SHIFT;
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;
238 uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA)
239 >> MPC8641_PORBMSR_HA_SHIFT;
240 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
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",
255 pci_set_region(hose->regions + 0,
259 PCI_REGION_MEM | PCI_REGION_MEMORY);
261 /* outbound memory */
262 pci_set_region(hose->regions + 1,
269 pci_set_region(hose->regions + 2,
275 hose->region_count = 3;
277 hose->first_busno=first_free_busno;
278 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
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);
287 puts("PCI-EXPRESS 1: Disabled\n");
291 puts("PCI-EXPRESS1: Disabled\n");
292 #endif /* CONFIG_PCI1 */
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;
302 pci_set_region(hose->regions + 0,
306 PCI_REGION_MEM | PCI_REGION_MEMORY);
308 /* outbound memory */
309 pci_set_region(hose->regions + 1,
316 pci_set_region(hose->regions + 2,
322 hose->region_count = 3;
324 hose->first_busno=first_free_busno;
325 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
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);
334 puts("PCI-EXPRESS 2: Disabled\n");
335 #endif /* CONFIG_PCI2 */
340 #if defined(CONFIG_OF_BOARD_SETUP)
343 ft_board_setup (void *blob, bd_t *bd)
348 ft_cpu_setup(blob, bd);
350 node = fdt_path_offset(blob, "/aliases");
354 path = fdt_getprop(blob, node, "pci0", NULL);
356 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
357 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
361 path = fdt_getprop(blob, node, "pci1", NULL);
363 tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;
364 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
371 void sbc8641d_reset_board (void)
373 puts ("Resetting board....\n");
378 * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
381 unsigned long get_board_sys_clk (ulong dummy)