board/freescale/p2020ds/p2020ds.c

   1 /*
   2  * Copyright 2007-2010 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/cache.h>
  29 #include <asm/immap_85xx.h>
  30 #include <asm/fsl_pci.h>
  31 #include <asm/fsl_ddr_sdram.h>
  32 #include <asm/io.h>
  33 #include <miiphy.h>
  34 #include <libfdt.h>
  35 #include <fdt_support.h>
  36 #include <tsec.h>
  37 #include <asm/fsl_law.h>
  38 #include <asm/mp.h>
  39 #include <netdev.h>
  40
  41 #include "../common/ngpixis.h"
  42 #include "../common/sgmii_riser.h"
  43
  44 DECLARE_GLOBAL_DATA_PTR;
  45
  46 phys_size_t fixed_sdram(void);
  47
  48 int checkboard(void)
  49 {
  50         u8 sw;
  51
  52         puts("Board: P2020DS ");
  53 #ifdef CONFIG_PHYS_64BIT
  54         puts("(36-bit addrmap) ");
  55 #endif
  56
  57         printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
  58                 in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));
  59
  60         sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
  61         sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT;
  62
  63         if (sw < 0x8)
  64                 /* The lower two bits are the actual vbank number */
  65                 printf("vBank: %d\n", sw & 3);
  66         else
  67                 puts("Promjet\n");
  68
  69         return 0;
  70 }
  71
  72 const char *board_hwconfig = "foo:bar=baz";
  73 const char *cpu_hwconfig = "foo:bar=baz";
  74
  75 phys_size_t initdram(int board_type)
  76 {
  77         phys_size_t dram_size = 0;
  78
  79         puts("Initializing....");
  80
  81 #ifdef CONFIG_DDR_SPD
  82         dram_size = fsl_ddr_sdram();
  83 #else
  84         dram_size = fixed_sdram();
  85
  86         if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE,
  87                          dram_size,
  88                          LAW_TRGT_IF_DDR) < 0) {
  89                 printf("ERROR setting Local Access Windows for DDR\n");
  90                 return 0;
  91         };
  92 #endif
  93         dram_size = setup_ddr_tlbs(dram_size / 0x100000);
  94         dram_size *= 0x100000;
  95
  96         puts("    DDR: ");
  97         return dram_size;
  98 }
  99
 100 #if !defined(CONFIG_DDR_SPD)
 101 /*
 102  * Fixed sdram init -- doesn't use serial presence detect.
 103  */
 104
 105 phys_size_t fixed_sdram(void)
 106 {
 107         volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
 108         uint d_init;
 109
 110         ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
 111         ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
 112         ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
 113         ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
 114         ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
 115         ddr->sdram_md_cntl = CONFIG_SYS_DDR_MODE_CTRL;
 116         ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
 117         ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
 118         ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
 119         ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
 120         ddr->ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CNTL;
 121         ddr->ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CNTL;
 122         ddr->ddr_cdr1 = CONFIG_SYS_DDR_CDR1;
 123         ddr->timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4;
 124         ddr->timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5;
 125
 126         if (!strcmp("performance", getenv("perf_mode"))) {
 127                 /* Performance Mode Values */
 128
 129                 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG_PERF;
 130                 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS_PERF;
 131                 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS_PERF;
 132                 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_PERF;
 133                 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_PERF;
 134
 135                 asm("sync;isync");
 136
 137                 udelay(500);
 138
 139                 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL_PERF;
 140         } else {
 141                 /* Stable Mode Values */
 142
 143                 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG;
 144                 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
 145                 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS;
 146                 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
 147                 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
 148
 149                 /* ECC will be assumed in stable mode */
 150                 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
 151                 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
 152                 ddr->err_sbe = CONFIG_SYS_DDR_SBE;
 153
 154                 asm("sync;isync");
 155
 156                 udelay(500);
 157
 158                 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
 159         }
 160
 161 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
 162         d_init = 1;
 163         debug("DDR - 1st controller: memory initializing\n");
 164         /*
 165          * Poll until memory is initialized.
 166          * 512 Meg at 400 might hit this 200 times or so.
 167          */
 168         while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
 169                 udelay(1000);
 170         debug("DDR: memory initialized\n\n");
 171         asm("sync; isync");
 172         udelay(500);
 173 #endif
 174
 175         return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
 176 }
 177
 178 #endif
 179
 180 #ifdef CONFIG_PCIE1
 181 static struct pci_controller pcie1_hose;
 182 #endif
 183
 184 #ifdef CONFIG_PCIE2
 185 static struct pci_controller pcie2_hose;
 186 #endif
 187
 188 #ifdef CONFIG_PCIE3
 189 static struct pci_controller pcie3_hose;
 190 #endif
 191
 192 #ifdef CONFIG_PCI
 193 void pci_init_board(void)
 194 {
 195         volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 196         struct fsl_pci_info pci_info[3];
 197         u32 devdisr, pordevsr, io_sel;
 198         int first_free_busno = 0;
 199         int num = 0;
 200
 201         int pcie_ep, pcie_configured;
 202
 203         devdisr = in_be32(&gur->devdisr);
 204         pordevsr = in_be32(&gur->pordevsr);
 205         io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
 206
 207         debug ("   pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
 208
 209         if (!(pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
 210                 printf("eTSEC2 is in sgmii mode.\n");
 211         if (!(pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
 212                 printf("eTSEC3 is in sgmii mode.\n");
 213
 214         puts("\n");
 215 #ifdef CONFIG_PCIE2
 216         pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
 217
 218         if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
 219                 SET_STD_PCIE_INFO(pci_info[num], 2);
 220                 pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
 221                 printf("PCIE2: connected to ULI as %s (base addr %lx)\n",
 222                         pcie_ep ? "Endpoint" : "Root Complex",
 223                         pci_info[num].regs);
 224                 first_free_busno = fsl_pci_init_port(&pci_info[num++],
 225                                         &pcie2_hose, first_free_busno);
 226
 227                 /*
 228                  * The workaround doesn't work on p2020 because the location
 229                  * we try and read isn't valid on p2020, fix this later
 230                  */
 231 #if 0
 232                 /*
 233                  * Activate ULI1575 legacy chip by performing a fake
 234                  * memory access.  Needed to make ULI RTC work.
 235                  * Device 1d has the first on-board memory BAR.
 236                  */
 237
 238                 pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0),
 239                                 PCI_BASE_ADDRESS_1, &temp32);
 240                 if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
 241                         void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
 242                                                         temp32, 4, 0);
 243                         debug(" uli1575 read to %p\n", p);
 244                         in_be32(p);
 245                 }
 246 #endif
 247         } else {
 248                 printf("PCIE2: disabled\n");
 249         }
 250         puts("\n");
 251 #else
 252         setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
 253 #endif
 254
 255 #ifdef CONFIG_PCIE3
 256         pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
 257
 258         if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
 259                 SET_STD_PCIE_INFO(pci_info[num], 3);
 260                 pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs);
 261                 printf("PCIE3: connected to Slot 1 as %s (base addr %lx)\n",
 262                         pcie_ep ? "Endpoint" : "Root Complex",
 263                         pci_info[num].regs);
 264                 first_free_busno = fsl_pci_init_port(&pci_info[num++],
 265                                         &pcie3_hose, first_free_busno);
 266         } else {
 267                 printf("PCIE3: disabled\n");
 268         }
 269         puts("\n");
 270 #else
 271         setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
 272 #endif
 273
 274 #ifdef CONFIG_PCIE1
 275         pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
 276
 277         if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
 278                 SET_STD_PCIE_INFO(pci_info[num], 1);
 279                 pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
 280                 printf("PCIE1: connected to Slot 2 as %s (base addr %lx)\n",
 281                         pcie_ep ? "Endpoint" : "Root Complex",
 282                         pci_info[num].regs);
 283                 first_free_busno = fsl_pci_init_port(&pci_info[num++],
 284                                         &pcie1_hose, first_free_busno);
 285         } else {
 286                 printf("PCIE1: disabled\n");
 287         }
 288         puts("\n");
 289 #else
 290         setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
 291 #endif
 292 }
 293 #endif
 294
 295 int board_early_init_r(void)
 296 {
 297         const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 298         const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
 299
 300         /*
 301          * Remap Boot flash + PROMJET region to caching-inhibited
 302          * so that flash can be erased properly.
 303          */
 304
 305         /* Flush d-cache and invalidate i-cache of any FLASH data */
 306         flush_dcache();
 307         invalidate_icache();
 308
 309         /* invalidate existing TLB entry for flash + promjet */
 310         disable_tlb(flash_esel);
 311
 312         set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
 313                         MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 314                         0, flash_esel, BOOKE_PAGESZ_256M, 1);
 315
 316         return 0;
 317 }
 318
 319 #ifdef CONFIG_TSEC_ENET
 320 int board_eth_init(bd_t *bis)
 321 {
 322         struct tsec_info_struct tsec_info[4];
 323         volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 324         int num = 0;
 325
 326 #ifdef CONFIG_TSEC1
 327         SET_STD_TSEC_INFO(tsec_info[num], 1);
 328         num++;
 329 #endif
 330 #ifdef CONFIG_TSEC2
 331         SET_STD_TSEC_INFO(tsec_info[num], 2);
 332         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
 333                 tsec_info[num].flags |= TSEC_SGMII;
 334         num++;
 335 #endif
 336 #ifdef CONFIG_TSEC3
 337         SET_STD_TSEC_INFO(tsec_info[num], 3);
 338         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
 339                 tsec_info[num].flags |= TSEC_SGMII;
 340         num++;
 341 #endif
 342
 343         if (!num) {
 344                 printf("No TSECs initialized\n");
 345
 346                 return 0;
 347         }
 348
 349 #ifdef CONFIG_FSL_SGMII_RISER
 350         fsl_sgmii_riser_init(tsec_info, num);
 351 #endif
 352
 353         tsec_eth_init(bis, tsec_info, num);
 354
 355         return pci_eth_init(bis);
 356 }
 357 #endif
 358
 359 #if defined(CONFIG_OF_BOARD_SETUP)
 360 void ft_board_setup(void *blob, bd_t *bd)
 361 {
 362         phys_addr_t base;
 363         phys_size_t size;
 364
 365         ft_cpu_setup(blob, bd);
 366
 367         base = getenv_bootm_low();
 368         size = getenv_bootm_size();
 369
 370         fdt_fixup_memory(blob, (u64)base, (u64)size);
 371
 372         FT_FSL_PCI_SETUP;
 373
 374 #ifdef CONFIG_FSL_SGMII_RISER
 375         fsl_sgmii_riser_fdt_fixup(blob);
 376 #endif
 377 }
 378 #endif
 379
 380 #ifdef CONFIG_MP
 381 void board_lmb_reserve(struct lmb *lmb)
 382 {
 383         cpu_mp_lmb_reserve(lmb);
 384 }
 385 #endif