2 * Copyright 2006, 2007 Freescale Semiconductor.
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #include <asm/processor.h>
26 #include <asm/immap_86xx.h>
27 #include <asm/immap_fsl_pci.h>
31 #if defined(CONFIG_OF_FLAT_TREE)
33 extern void ft_cpu_setup(void *blob, bd_t *bd);
36 #include "../common/pixis.h"
38 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
39 extern void ddr_enable_ecc(unsigned int dram_size);
42 #if defined(CONFIG_SPD_EEPROM)
43 #include "spd_sdram.h"
46 void sdram_init(void);
47 long int fixed_sdram(void);
50 int board_early_init_f(void)
57 puts("Board: MPC8641HPCN\n");
64 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);
91 #if defined(CFG_DRAM_TEST)
95 uint *pstart = (uint *) CFG_MEMTEST_START;
96 uint *pend = (uint *) CFG_MEMTEST_END;
99 puts("SDRAM test phase 1:\n");
100 for (p = pstart; p < pend; p++)
103 for (p = pstart; p < pend; p++) {
104 if (*p != 0xaaaaaaaa) {
105 printf("SDRAM test fails at: %08x\n", (uint) p);
110 puts("SDRAM test phase 2:\n");
111 for (p = pstart; p < pend; p++)
114 for (p = pstart; p < pend; p++) {
115 if (*p != 0x55555555) {
116 printf("SDRAM test fails at: %08x\n", (uint) p);
121 puts("SDRAM test passed.\n");
127 #if !defined(CONFIG_SPD_EEPROM)
129 * Fixed sdram init -- doesn't use serial presence detect.
134 #if !defined(CFG_RAMBOOT)
135 volatile immap_t *immap = (immap_t *) CFG_IMMR;
136 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
138 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
139 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
140 ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
141 ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
142 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
143 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
144 ddr->sdram_mode_1 = CFG_DDR_MODE_1;
145 ddr->sdram_mode_2 = CFG_DDR_MODE_2;
146 ddr->sdram_interval = CFG_DDR_INTERVAL;
147 ddr->sdram_data_init = CFG_DDR_DATA_INIT;
148 ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
149 ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL;
150 ddr->sdram_ocd_status = CFG_DDR_OCD_STATUS;
152 #if defined (CONFIG_DDR_ECC)
153 ddr->err_disable = 0x0000008D;
154 ddr->err_sbe = 0x00ff0000;
160 #if defined (CONFIG_DDR_ECC)
161 /* Enable ECC checking */
162 ddr->sdram_cfg_1 = (CFG_DDR_CONTROL | 0x20000000);
164 ddr->sdram_cfg_1 = CFG_DDR_CONTROL;
165 ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
171 return CFG_SDRAM_SIZE * 1024 * 1024;
173 #endif /* !defined(CONFIG_SPD_EEPROM) */
176 #if defined(CONFIG_PCI)
178 * Initialize PCI Devices, report devices found.
181 #ifndef CONFIG_PCI_PNP
182 static struct pci_config_table pci_fsl86xxads_config_table[] = {
183 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
184 PCI_IDSEL_NUMBER, PCI_ANY_ID,
185 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
187 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
193 static struct pci_controller pci1_hose = {
194 #ifndef CONFIG_PCI_PNP
195 config_table:pci_mpc86xxcts_config_table
198 #endif /* CONFIG_PCI */
201 static struct pci_controller pci2_hose;
202 #endif /* CONFIG_PCI2 */
204 int first_free_busno = 0;
207 void pci_init_board(void)
209 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
210 volatile ccsr_gur_t *gur = &immap->im_gur;
211 uint devdisr = gur->devdisr;
212 uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
216 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
217 extern void fsl_pci_init(struct pci_controller *hose);
218 struct pci_controller *hose = &pci1_hose;
220 uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
221 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
223 if ((io_sel == 2 || io_sel == 3 || io_sel == 5
224 || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
225 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
226 debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
227 debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
228 if (pci->pme_msg_det) {
229 pci->pme_msg_det = 0xffffffff;
230 debug(" with errors. Clearing. Now 0x%08x",
236 pci_set_region(hose->regions + 0,
240 PCI_REGION_MEM | PCI_REGION_MEMORY);
242 /* outbound memory */
243 pci_set_region(hose->regions + 1,
250 pci_set_region(hose->regions + 2,
256 hose->region_count = 3;
258 hose->first_busno=first_free_busno;
259 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
263 first_free_busno=hose->last_busno+1;
264 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
265 hose->first_busno,hose->last_busno);
268 * Activate ULI1575 legacy chip by performing a fake
269 * memory access. Needed to make ULI RTC work.
271 in_be32((unsigned *) ((char *)(CFG_PCI1_MEM_BASE
272 + CFG_PCI1_MEM_SIZE - 0x1000000)));
275 puts("PCI-EXPRESS 1: Disabled\n");
279 puts("PCI-EXPRESS1: Disabled\n");
280 #endif /* CONFIG_PCI1 */
284 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
285 extern void fsl_pci_init(struct pci_controller *hose);
286 struct pci_controller *hose = &pci2_hose;
290 pci_set_region(hose->regions + 0,
294 PCI_REGION_MEM | PCI_REGION_MEMORY);
296 /* outbound memory */
297 pci_set_region(hose->regions + 1,
304 pci_set_region(hose->regions + 2,
310 hose->region_count = 3;
312 hose->first_busno=first_free_busno;
313 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
317 first_free_busno=hose->last_busno+1;
318 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
319 hose->first_busno,hose->last_busno);
322 puts("PCI-EXPRESS 2: Disabled\n");
323 #endif /* CONFIG_PCI2 */
327 #if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
329 ft_board_setup(void *blob, bd_t *bd)
334 ft_cpu_setup(blob, bd);
336 p = ft_get_prop(blob, "/memory/reg", &len);
338 *p++ = cpu_to_be32(bd->bi_memstart);
339 *p = cpu_to_be32(bd->bi_memsize);
342 p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@8000/bus-range", &len);
345 p[1] = pci1_hose.last_busno - pci1_hose.first_busno;
346 debug("PCI@8000 first_busno=%d last_busno=%d\n",p[0],p[1]);
350 p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@9000/bus-range", &len);
353 p[1] = pci2_hose.last_busno - pci2_hose.first_busno;
354 debug("PCI@9000 first_busno=%d last_busno=%d\n",p[0],p[1]);
363 * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
367 get_board_sys_clk(ulong dummy)
369 u8 i, go_bit, rd_clks;
372 go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
375 rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
379 * Only if both go bit and the SCLK bit in VCFGEN0 are set
380 * should we be using the AUX register. Remember, we also set the
381 * GO bit to boot from the alternate bank on the on-board flash
386 i = in8(PIXIS_BASE + PIXIS_AUX);
388 i = in8(PIXIS_BASE + PIXIS_SPD);
390 i = in8(PIXIS_BASE + PIXIS_SPD);