2 * Copyright 2004 Freescale Semiconductor.
3 * Jeff Brown (jeffrey@freescale.com)
4 * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
6 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <asm/processor.h>
30 #include <asm/immap_86xx.h>
33 #if defined(CONFIG_OF_FLAT_TREE)
35 extern void ft_cpu_setup(void *blob, bd_t *bd);
38 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
39 extern void ddr_enable_ecc(unsigned int dram_size);
42 extern long int spd_sdram(void);
44 void local_bus_init(void);
45 void sdram_init(void);
46 long int fixed_sdram(void);
49 int board_early_init_f (void)
56 puts("Board: MPC8641HPCN\n");
60 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
61 volatile ccsr_gur_t *gur = &immap->im_gur;
62 volatile ccsr_pex_t *pex1 = &immap->im_pex1;
64 uint devdisr = gur->devdisr;
65 uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
66 uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
67 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
70 if ((io_sel==2 || io_sel==3 || io_sel==5 \
71 || io_sel==6 || io_sel==7 || io_sel==0xF)
72 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)){
73 debug ("PCI-EXPRESS 1: %s \n",
74 pex1_agent ? "Agent" : "Host");
75 debug("0x%08x=0x%08x ", &pex1->pme_msg_det,pex1->pme_msg_det);
76 if (pex1->pme_msg_det) {
77 pex1->pme_msg_det = 0xffffffff;
78 debug (" with errors. Clearing. Now 0x%08x",
83 printf ("PCI-EXPRESS 1: Disabled\n");
87 printf("PCI-EXPRESS1: Disabled\n");
91 * Initialize local bus.
100 initdram(int board_type)
103 extern long spd_sdram (void);
105 #if defined(CONFIG_SPD_EEPROM)
106 dram_size = spd_sdram ();
108 dram_size = fixed_sdram ();
111 #if defined(CFG_RAMBOOT)
116 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
118 * Initialize and enable DDR ECC.
120 ddr_enable_ecc(dram_size);
129 * Initialize Local Bus
135 volatile immap_t *immap = (immap_t *)CFG_IMMR;
136 volatile ccsr_lbc_t *lbc = &immap->im_lbc;
144 * Fix Local Bus clock glitch when DLL is enabled.
146 * If localbus freq is < 66Mhz, DLL bypass mode must be used.
147 * If localbus freq is > 133Mhz, DLL can be safely enabled.
148 * Between 66 and 133, the DLL is enabled with an override workaround.
151 get_sys_info(&sysinfo);
152 clkdiv = lbc->lcrr & 0x0f;
153 lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
156 #if defined(CFG_DRAM_TEST)
159 uint *pstart = (uint *) CFG_MEMTEST_START;
160 uint *pend = (uint *) CFG_MEMTEST_END;
163 printf("SDRAM test phase 1:\n");
164 for (p = pstart; p < pend; p++)
167 for (p = pstart; p < pend; p++) {
168 if (*p != 0xaaaaaaaa) {
169 printf ("SDRAM test fails at: %08x\n", (uint) p);
174 printf("SDRAM test phase 2:\n");
175 for (p = pstart; p < pend; p++)
178 for (p = pstart; p < pend; p++) {
179 if (*p != 0x55555555) {
180 printf ("SDRAM test fails at: %08x\n", (uint) p);
185 printf("SDRAM test passed.\n");
191 #if !defined(CONFIG_SPD_EEPROM)
193 * Fixed sdram init -- doesn't use serial presence detect.
195 long int fixed_sdram(void)
197 #if !defined(CFG_RAMBOOT)
198 volatile immap_t *immap = (immap_t *)CFG_IMMR;
199 volatile ccsr_ddr_t *ddr= &immap->im_ddr1;
201 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
202 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
203 ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
204 ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
205 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
206 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
207 ddr->sdram_mode_1 = CFG_DDR_MODE_1;
208 ddr->sdram_mode_2 = CFG_DDR_MODE_2;
209 ddr->sdram_interval = CFG_DDR_INTERVAL;
210 ddr->sdram_data_init = CFG_DDR_DATA_INIT;
211 ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
212 ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL;
213 ddr->sdram_ocd_status = CFG_DDR_OCD_STATUS;
215 #if defined (CONFIG_DDR_ECC)
216 ddr->err_disable = 0x0000008D;
217 ddr->err_sbe = 0x00ff0000;
223 #if defined (CONFIG_DDR_ECC)
224 /* Enable ECC checking */
225 ddr->sdram_cfg_1 = (CFG_DDR_CONTROL | 0x20000000);
227 ddr->sdram_cfg_1 = CFG_DDR_CONTROL;
228 ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
234 return CFG_SDRAM_SIZE * 1024 * 1024;
236 #endif /* !defined(CONFIG_SPD_EEPROM) */
239 #if defined(CONFIG_PCI)
241 * Initialize PCI Devices, report devices found.
244 #ifndef CONFIG_PCI_PNP
245 static struct pci_config_table pci_fsl86xxads_config_table[] = {
246 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
247 PCI_IDSEL_NUMBER, PCI_ANY_ID,
248 pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
250 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
257 static struct pci_controller hose = {
258 #ifndef CONFIG_PCI_PNP
259 config_table: pci_mpc86xxcts_config_table,
263 #endif /* CONFIG_PCI */
270 extern void pci_mpc86xx_init(struct pci_controller *hose);
272 pci_mpc86xx_init(&hose);
273 #endif /* CONFIG_PCI */
276 #if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
278 ft_board_setup(void *blob, bd_t *bd)
283 ft_cpu_setup(blob, bd);
285 p = ft_get_prop(blob, "/memory/reg", &len);
287 *p++ = cpu_to_be32(bd->bi_memstart);
288 *p = cpu_to_be32(bd->bi_memsize);
295 after_reloc(ulong dest_addr)
297 DECLARE_GLOBAL_DATA_PTR;
299 /* now, jump to the main U-Boot board init code */
300 board_init_r ((gd_t *)gd, dest_addr);