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 <asm/fsl_ddr_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 long int fixed_sdram (void);
47 int board_early_init_f (void)
54 puts ("Board: Wind River SBC8641D\n");
59 phys_size_t initdram (int board_type)
63 #if defined(CONFIG_SPD_EEPROM)
64 dram_size = fsl_ddr_sdram();
66 dram_size = fixed_sdram ();
69 #if defined(CONFIG_SYS_RAMBOOT)
74 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
76 * Initialize and enable DDR ECC.
78 ddr_enable_ecc (dram_size);
85 #if defined(CONFIG_SYS_DRAM_TEST)
88 uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
89 uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
92 puts ("SDRAM test phase 1:\n");
93 for (p = pstart; p < pend; p++)
96 for (p = pstart; p < pend; p++) {
97 if (*p != 0xaaaaaaaa) {
98 printf ("SDRAM test fails at: %08x\n", (uint) p);
103 puts ("SDRAM test phase 2:\n");
104 for (p = pstart; p < pend; p++)
107 for (p = pstart; p < pend; p++) {
108 if (*p != 0x55555555) {
109 printf ("SDRAM test fails at: %08x\n", (uint) p);
114 puts ("SDRAM test passed.\n");
119 #if !defined(CONFIG_SPD_EEPROM)
121 * Fixed sdram init -- doesn't use serial presence detect.
123 long int fixed_sdram (void)
125 #if !defined(CONFIG_SYS_RAMBOOT)
126 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
127 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
129 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
130 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS;
131 ddr->cs2_bnds = CONFIG_SYS_DDR_CS2_BNDS;
132 ddr->cs3_bnds = CONFIG_SYS_DDR_CS3_BNDS;
133 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
134 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG;
135 ddr->cs2_config = CONFIG_SYS_DDR_CS2_CONFIG;
136 ddr->cs3_config = CONFIG_SYS_DDR_CS3_CONFIG;
137 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
138 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
139 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
140 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
141 ddr->sdram_cfg_1 = CONFIG_SYS_DDR_CFG_1A;
142 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CFG_2;
143 ddr->sdram_mode_1 = CONFIG_SYS_DDR_MODE_1;
144 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
145 ddr->sdram_mode_cntl = CONFIG_SYS_DDR_MODE_CTL;
146 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
147 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
148 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
154 ddr->sdram_cfg_1 = CONFIG_SYS_DDR_CFG_1B;
158 ddr = &immap->im_ddr2;
160 ddr->cs0_bnds = CONFIG_SYS_DDR2_CS0_BNDS;
161 ddr->cs1_bnds = CONFIG_SYS_DDR2_CS1_BNDS;
162 ddr->cs2_bnds = CONFIG_SYS_DDR2_CS2_BNDS;
163 ddr->cs3_bnds = CONFIG_SYS_DDR2_CS3_BNDS;
164 ddr->cs0_config = CONFIG_SYS_DDR2_CS0_CONFIG;
165 ddr->cs1_config = CONFIG_SYS_DDR2_CS1_CONFIG;
166 ddr->cs2_config = CONFIG_SYS_DDR2_CS2_CONFIG;
167 ddr->cs3_config = CONFIG_SYS_DDR2_CS3_CONFIG;
168 ddr->timing_cfg_3 = CONFIG_SYS_DDR2_EXT_REFRESH;
169 ddr->timing_cfg_0 = CONFIG_SYS_DDR2_TIMING_0;
170 ddr->timing_cfg_1 = CONFIG_SYS_DDR2_TIMING_1;
171 ddr->timing_cfg_2 = CONFIG_SYS_DDR2_TIMING_2;
172 ddr->sdram_cfg_1 = CONFIG_SYS_DDR2_CFG_1A;
173 ddr->sdram_cfg_2 = CONFIG_SYS_DDR2_CFG_2;
174 ddr->sdram_mode_1 = CONFIG_SYS_DDR2_MODE_1;
175 ddr->sdram_mode_2 = CONFIG_SYS_DDR2_MODE_2;
176 ddr->sdram_mode_cntl = CONFIG_SYS_DDR2_MODE_CTL;
177 ddr->sdram_interval = CONFIG_SYS_DDR2_INTERVAL;
178 ddr->sdram_data_init = CONFIG_SYS_DDR2_DATA_INIT;
179 ddr->sdram_clk_cntl = CONFIG_SYS_DDR2_CLK_CTRL;
185 ddr->sdram_cfg_1 = CONFIG_SYS_DDR2_CFG_1B;
190 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
192 #endif /* !defined(CONFIG_SPD_EEPROM) */
194 #if defined(CONFIG_PCI)
196 * Initialize PCI Devices, report devices found.
199 #ifndef CONFIG_PCI_PNP
200 static struct pci_config_table pci_fsl86xxads_config_table[] = {
201 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
202 PCI_IDSEL_NUMBER, PCI_ANY_ID,
203 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
205 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
210 static struct pci_controller pci1_hose = {
211 #ifndef CONFIG_PCI_PNP
212 config_table:pci_mpc86xxcts_config_table
215 #endif /* CONFIG_PCI */
218 static struct pci_controller pci2_hose;
219 #endif /* CONFIG_PCI2 */
221 int first_free_busno = 0;
223 extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
224 extern void fsl_pci_init(struct pci_controller *hose);
226 void pci_init_board(void)
228 volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
229 volatile ccsr_gur_t *gur = &immap->im_gur;
230 uint devdisr = gur->devdisr;
231 uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
232 >> MPC8641_PORDEVSR_IO_SEL_SHIFT;
236 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
237 struct pci_controller *hose = &pci1_hose;
238 struct pci_region *r = hose->regions;
240 uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA)
241 >> MPC8641_PORBMSR_HA_SHIFT;
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 r += fsl_pci_setup_inbound_windows(r);
259 /* outbound memory */
261 CONFIG_SYS_PCI1_MEM_BASE,
262 CONFIG_SYS_PCI1_MEM_PHYS,
263 CONFIG_SYS_PCI1_MEM_SIZE,
268 CONFIG_SYS_PCI1_IO_BASE,
269 CONFIG_SYS_PCI1_IO_PHYS,
270 CONFIG_SYS_PCI1_IO_SIZE,
273 hose->region_count = r - hose->regions;
275 hose->first_busno=first_free_busno;
276 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
280 first_free_busno=hose->last_busno+1;
281 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
282 hose->first_busno,hose->last_busno);
285 puts("PCI-EXPRESS 1: Disabled\n");
289 puts("PCI-EXPRESS1: Disabled\n");
290 #endif /* CONFIG_PCI1 */
294 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR;
295 struct pci_controller *hose = &pci2_hose;
296 struct pci_region *r = hose->regions;
300 r += fsl_pci_setup_inbound_windows(r);
302 /* outbound memory */
304 CONFIG_SYS_PCI2_MEM_BASE,
305 CONFIG_SYS_PCI2_MEM_PHYS,
306 CONFIG_SYS_PCI2_MEM_SIZE,
311 CONFIG_SYS_PCI2_IO_BASE,
312 CONFIG_SYS_PCI2_IO_PHYS,
313 CONFIG_SYS_PCI2_IO_SIZE,
316 hose->region_count = r - hose->regions;
318 hose->first_busno=first_free_busno;
319 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
323 first_free_busno=hose->last_busno+1;
324 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
325 hose->first_busno,hose->last_busno);
328 puts("PCI-EXPRESS 2: Disabled\n");
329 #endif /* CONFIG_PCI2 */
334 #if defined(CONFIG_OF_BOARD_SETUP)
335 extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
336 struct pci_controller *hose);
338 void ft_board_setup (void *blob, bd_t *bd)
340 ft_cpu_setup(blob, bd);
343 ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
346 ft_fsl_pci_setup(blob, "pci1", &pci2_hose);
351 void sbc8641d_reset_board (void)
353 puts ("Resetting board....\n");
358 * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
361 unsigned long get_board_sys_clk (ulong dummy)