1 /* 2 * Copyright 2007,2009-2010 Freescale Semiconductor, Inc. 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 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. 11 * 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. 16 * 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, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <command.h> 25 #include <pci.h> 26 #include <asm/processor.h> 27 #include <asm/mmu.h> 28 #include <asm/immap_85xx.h> 29 #include <asm/fsl_pci.h> 30 #include <asm/fsl_ddr_sdram.h> 31 #include <asm/fsl_serdes.h> 32 #include <asm/io.h> 33 #include <miiphy.h> 34 #include <libfdt.h> 35 #include <fdt_support.h> 36 #include <fsl_mdio.h> 37 #include <tsec.h> 38 #include <netdev.h> 39 40 #include "../common/sgmii_riser.h" 41 42 int checkboard (void) 43 { 44 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 45 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; 46 volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); 47 u8 vboot; 48 u8 *pixis_base = (u8 *)PIXIS_BASE; 49 50 if ((uint)&gur->porpllsr != 0xe00e0000) { 51 printf("immap size error %lx\n",(ulong)&gur->porpllsr); 52 } 53 printf ("Board: MPC8544DS, Sys ID: 0x%02x, " 54 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", 55 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER), 56 in_8(pixis_base + PIXIS_PVER)); 57 58 vboot = in_8(pixis_base + PIXIS_VBOOT); 59 if (vboot & PIXIS_VBOOT_FMAP) 60 printf ("vBank: %d\n", ((vboot & PIXIS_VBOOT_FBANK) >> 6)); 61 else 62 puts ("Promjet\n"); 63 64 lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */ 65 lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ 66 ecm->eedr = 0xffffffff; /* Clear ecm errors */ 67 ecm->eeer = 0xffffffff; /* Enable ecm errors */ 68 69 return 0; 70 } 71 72 #ifdef CONFIG_PCI1 73 static struct pci_controller pci1_hose; 74 #endif 75 76 #ifdef CONFIG_PCIE3 77 static struct pci_controller pcie3_hose; 78 #endif 79 80 void pci_init_board(void) 81 { 82 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 83 struct fsl_pci_info pci_info; 84 u32 devdisr, pordevsr, io_sel; 85 u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel; 86 int first_free_busno = 0; 87 88 int pcie_ep, pcie_configured; 89 90 devdisr = in_be32(&gur->devdisr); 91 pordevsr = in_be32(&gur->pordevsr); 92 porpllsr = in_be32(&gur->porpllsr); 93 io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; 94 95 debug (" pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel); 96 97 puts("\n"); 98 99 #ifdef CONFIG_PCIE3 100 pcie_configured = is_serdes_configured(PCIE3); 101 102 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){ 103 /* contains both PCIE3 MEM & IO space */ 104 set_next_law(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_4M, 105 LAW_TRGT_IF_PCIE_3); 106 SET_STD_PCIE_INFO(pci_info, 3); 107 pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info.regs); 108 109 /* outbound memory */ 110 pci_set_region(&pcie3_hose.regions[0], 111 CONFIG_SYS_PCIE3_MEM_BUS2, 112 CONFIG_SYS_PCIE3_MEM_PHYS2, 113 CONFIG_SYS_PCIE3_MEM_SIZE2, 114 PCI_REGION_MEM); 115 116 pcie3_hose.region_count = 1; 117 118 printf("PCIE3: connected to ULI as %s (base addr %lx)\n", 119 pcie_ep ? "Endpoint" : "Root Complex", 120 pci_info.regs); 121 first_free_busno = fsl_pci_init_port(&pci_info, 122 &pcie3_hose, first_free_busno); 123 124 /* 125 * Activate ULI1575 legacy chip by performing a fake 126 * memory access. Needed to make ULI RTC work. 127 */ 128 in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BUS); 129 } else { 130 printf("PCIE3: disabled\n"); 131 } 132 puts("\n"); 133 #else 134 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */ 135 #endif 136 137 #ifdef CONFIG_PCIE1 138 SET_STD_PCIE_INFO(pci_info, 1); 139 first_free_busno = fsl_pcie_init_ctrl(first_free_busno, devdisr, PCIE1, &pci_info); 140 #else 141 setbits_be32(&gur->devdisr, _DEVDISR_PCIE1); /* disable */ 142 #endif 143 144 #ifdef CONFIG_PCIE2 145 SET_STD_PCIE_INFO(pci_info, 2); 146 first_free_busno = fsl_pcie_init_ctrl(first_free_busno, devdisr, PCIE2, &pci_info); 147 #else 148 setbits_be32(&gur->devdisr, _DEVDISR_PCIE2); /* disable */ 149 #endif 150 151 #ifdef CONFIG_PCI1 152 pci_speed = 66666000; 153 pci_32 = 1; 154 pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; 155 pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; 156 157 if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { 158 SET_STD_PCI_INFO(pci_info, 1); 159 set_next_law(pci_info.mem_phys, 160 law_size_bits(pci_info.mem_size), pci_info.law); 161 set_next_law(pci_info.io_phys, 162 law_size_bits(pci_info.io_size), pci_info.law); 163 164 pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs); 165 printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n", 166 (pci_32) ? 32 : 64, 167 (pci_speed == 33333000) ? "33" : 168 (pci_speed == 66666000) ? "66" : "unknown", 169 pci_clk_sel ? "sync" : "async", 170 pci_agent ? "agent" : "host", 171 pci_arb ? "arbiter" : "external-arbiter", 172 pci_info.regs); 173 174 first_free_busno = fsl_pci_init_port(&pci_info, 175 &pci1_hose, first_free_busno); 176 } else { 177 printf("PCI: disabled\n"); 178 } 179 180 puts("\n"); 181 #else 182 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */ 183 #endif 184 } 185 186 int last_stage_init(void) 187 { 188 return 0; 189 } 190 191 192 unsigned long 193 get_board_sys_clk(ulong dummy) 194 { 195 u8 i, go_bit, rd_clks; 196 ulong val = 0; 197 u8 *pixis_base = (u8 *)PIXIS_BASE; 198 199 go_bit = in_8(pixis_base + PIXIS_VCTL); 200 go_bit &= 0x01; 201 202 rd_clks = in_8(pixis_base + PIXIS_VCFGEN0); 203 rd_clks &= 0x1C; 204 205 /* 206 * Only if both go bit and the SCLK bit in VCFGEN0 are set 207 * should we be using the AUX register. Remember, we also set the 208 * GO bit to boot from the alternate bank on the on-board flash 209 */ 210 211 if (go_bit) { 212 if (rd_clks == 0x1c) 213 i = in_8(pixis_base + PIXIS_AUX); 214 else 215 i = in_8(pixis_base + PIXIS_SPD); 216 } else { 217 i = in_8(pixis_base + PIXIS_SPD); 218 } 219 220 i &= 0x07; 221 222 switch (i) { 223 case 0: 224 val = 33333333; 225 break; 226 case 1: 227 val = 40000000; 228 break; 229 case 2: 230 val = 50000000; 231 break; 232 case 3: 233 val = 66666666; 234 break; 235 case 4: 236 val = 83000000; 237 break; 238 case 5: 239 val = 100000000; 240 break; 241 case 6: 242 val = 133333333; 243 break; 244 case 7: 245 val = 166666666; 246 break; 247 } 248 249 return val; 250 } 251 252 253 #define MIIM_CIS8204_SLED_CON 0x1b 254 #define MIIM_CIS8204_SLEDCON_INIT 0x1115 255 /* 256 * Hack to write all 4 PHYs with the LED values 257 */ 258 int board_phy_config(struct phy_device *phydev) 259 { 260 static int do_once; 261 uint phyid; 262 struct mii_dev *bus = phydev->bus; 263 264 if (phydev->drv->config) 265 phydev->drv->config(phydev); 266 if (do_once) 267 return 0; 268 269 for (phyid = 0; phyid < 4; phyid++) 270 bus->write(bus, phyid, MDIO_DEVAD_NONE, MIIM_CIS8204_SLED_CON, 271 MIIM_CIS8204_SLEDCON_INIT); 272 273 do_once = 1; 274 275 return 0; 276 } 277 278 279 int board_eth_init(bd_t *bis) 280 { 281 #ifdef CONFIG_TSEC_ENET 282 struct fsl_pq_mdio_info mdio_info; 283 struct tsec_info_struct tsec_info[2]; 284 int num = 0; 285 286 #ifdef CONFIG_TSEC1 287 SET_STD_TSEC_INFO(tsec_info[num], 1); 288 if (is_serdes_configured(SGMII_TSEC1)) { 289 puts("eTSEC1 is in sgmii mode.\n"); 290 tsec_info[num].flags |= TSEC_SGMII; 291 } 292 num++; 293 #endif 294 #ifdef CONFIG_TSEC3 295 SET_STD_TSEC_INFO(tsec_info[num], 3); 296 if (is_serdes_configured(SGMII_TSEC3)) { 297 puts("eTSEC3 is in sgmii mode.\n"); 298 tsec_info[num].flags |= TSEC_SGMII; 299 } 300 num++; 301 #endif 302 303 if (!num) { 304 printf("No TSECs initialized\n"); 305 306 return 0; 307 } 308 309 if (is_serdes_configured(SGMII_TSEC1) || 310 is_serdes_configured(SGMII_TSEC3)) { 311 fsl_sgmii_riser_init(tsec_info, num); 312 } 313 314 mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; 315 mdio_info.name = DEFAULT_MII_NAME; 316 fsl_pq_mdio_init(bis, &mdio_info); 317 318 tsec_eth_init(bis, tsec_info, num); 319 #endif 320 return pci_eth_init(bis); 321 } 322 323 #if defined(CONFIG_OF_BOARD_SETUP) 324 void ft_board_setup(void *blob, bd_t *bd) 325 { 326 ft_cpu_setup(blob, bd); 327 328 FT_FSL_PCI_SETUP; 329 330 #ifdef CONFIG_FSL_SGMII_RISER 331 fsl_sgmii_riser_fdt_fixup(blob); 332 #endif 333 } 334 #endif 335