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>
28 #include <spd_sdram.h>
31 #include <fdt_support.h>
33 #include "../common/pixis.h"
35 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
36 extern void ddr_enable_ecc(unsigned int dram_size);
39 void sdram_init(void);
40 long int fixed_sdram(void);
43 int board_early_init_f(void)
50 puts("Board: MPC8641HPCN\n");
57 initdram(int board_type)
61 #if defined(CONFIG_SPD_EEPROM)
62 dram_size = spd_sdram();
64 dram_size = fixed_sdram();
67 #if defined(CFG_RAMBOOT)
72 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
74 * Initialize and enable DDR ECC.
76 ddr_enable_ecc(dram_size);
84 #if !defined(CONFIG_SPD_EEPROM)
86 * Fixed sdram init -- doesn't use serial presence detect.
91 #if !defined(CFG_RAMBOOT)
92 volatile immap_t *immap = (immap_t *) CFG_IMMR;
93 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
95 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
96 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
97 ddr->timing_cfg_3 = CFG_DDR_TIMING_3;
98 ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
99 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
100 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
101 ddr->sdram_mode_1 = CFG_DDR_MODE_1;
102 ddr->sdram_mode_2 = CFG_DDR_MODE_2;
103 ddr->sdram_interval = CFG_DDR_INTERVAL;
104 ddr->sdram_data_init = CFG_DDR_DATA_INIT;
105 ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
106 ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL;
107 ddr->sdram_ocd_status = CFG_DDR_OCD_STATUS;
109 #if defined (CONFIG_DDR_ECC)
110 ddr->err_disable = 0x0000008D;
111 ddr->err_sbe = 0x00ff0000;
117 #if defined (CONFIG_DDR_ECC)
118 /* Enable ECC checking */
119 ddr->sdram_cfg_1 = (CFG_DDR_CONTROL | 0x20000000);
121 ddr->sdram_cfg_1 = CFG_DDR_CONTROL;
122 ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
128 return CFG_SDRAM_SIZE * 1024 * 1024;
130 #endif /* !defined(CONFIG_SPD_EEPROM) */
133 #if defined(CONFIG_PCI)
135 * Initialize PCI Devices, report devices found.
138 #ifndef CONFIG_PCI_PNP
139 static struct pci_config_table pci_fsl86xxads_config_table[] = {
140 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
141 PCI_IDSEL_NUMBER, PCI_ANY_ID,
142 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
144 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
150 static struct pci_controller pci1_hose = {
151 #ifndef CONFIG_PCI_PNP
152 config_table:pci_mpc86xxcts_config_table
155 #endif /* CONFIG_PCI */
158 static struct pci_controller pci2_hose;
159 #endif /* CONFIG_PCI2 */
161 int first_free_busno = 0;
164 void pci_init_board(void)
166 volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
167 volatile ccsr_gur_t *gur = &immap->im_gur;
168 uint devdisr = gur->devdisr;
169 uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
170 >> MPC8641_PORDEVSR_IO_SEL_SHIFT;
174 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
175 extern void fsl_pci_init(struct pci_controller *hose);
176 struct pci_controller *hose = &pci1_hose;
178 uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA)
179 >> MPC8641_PORBMSR_HA_SHIFT;
180 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
182 if ((io_sel == 2 || io_sel == 3 || io_sel == 5
183 || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
184 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
185 debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
186 debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
187 if (pci->pme_msg_det) {
188 pci->pme_msg_det = 0xffffffff;
189 debug(" with errors. Clearing. Now 0x%08x",
195 pci_set_region(hose->regions + 0,
199 PCI_REGION_MEM | PCI_REGION_MEMORY);
201 /* outbound memory */
202 pci_set_region(hose->regions + 1,
209 pci_set_region(hose->regions + 2,
215 hose->region_count = 3;
217 hose->first_busno=first_free_busno;
218 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
222 first_free_busno=hose->last_busno+1;
223 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
224 hose->first_busno,hose->last_busno);
227 * Activate ULI1575 legacy chip by performing a fake
228 * memory access. Needed to make ULI RTC work.
230 in_be32((unsigned *) ((char *)(CFG_PCI1_MEM_BASE
231 + CFG_PCI1_MEM_SIZE - 0x1000000)));
234 puts("PCI-EXPRESS 1: Disabled\n");
238 puts("PCI-EXPRESS1: Disabled\n");
239 #endif /* CONFIG_PCI1 */
243 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
244 extern void fsl_pci_init(struct pci_controller *hose);
245 struct pci_controller *hose = &pci2_hose;
249 pci_set_region(hose->regions + 0,
253 PCI_REGION_MEM | PCI_REGION_MEMORY);
255 /* outbound memory */
256 pci_set_region(hose->regions + 1,
263 pci_set_region(hose->regions + 2,
269 hose->region_count = 3;
271 hose->first_busno=first_free_busno;
272 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
276 first_free_busno=hose->last_busno+1;
277 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
278 hose->first_busno,hose->last_busno);
281 puts("PCI-EXPRESS 2: Disabled\n");
282 #endif /* CONFIG_PCI2 */
287 #if defined(CONFIG_OF_BOARD_SETUP)
290 ft_board_setup(void *blob, bd_t *bd)
295 ft_cpu_setup(blob, bd);
297 node = fdt_path_offset(blob, "/aliases");
301 path = fdt_getprop(blob, node, "pci0", NULL);
303 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
304 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
308 path = fdt_getprop(blob, node, "pci1", NULL);
310 tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;
311 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
321 * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
325 get_board_sys_clk(ulong dummy)
327 u8 i, go_bit, rd_clks;
330 go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
333 rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
337 * Only if both go bit and the SCLK bit in VCFGEN0 are set
338 * should we be using the AUX register. Remember, we also set the
339 * GO bit to boot from the alternate bank on the on-board flash
344 i = in8(PIXIS_BASE + PIXIS_AUX);
346 i = in8(PIXIS_BASE + PIXIS_SPD);
348 i = in8(PIXIS_BASE + PIXIS_SPD);