uboot/board/freescale/mpc8536ds/mpc8536ds.c
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   1/*
   2 * Copyright 2008-2012 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 <asm/fsl_serdes.h>
  34#include <spd.h>
  35#include <miiphy.h>
  36#include <libfdt.h>
  37#include <spd_sdram.h>
  38#include <fdt_support.h>
  39#include <fsl_mdio.h>
  40#include <tsec.h>
  41#include <netdev.h>
  42#include <sata.h>
  43
  44#include "../common/sgmii_riser.h"
  45
  46int board_early_init_f (void)
  47{
  48#ifdef CONFIG_MMC
  49        volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  50
  51        setbits_be32(&gur->pmuxcr,
  52                        (MPC85xx_PMUXCR_SDHC_CD |
  53                         MPC85xx_PMUXCR_SDHC_WP));
  54
  55        /* The MPC8536DS board insert the SDHC_WP pin for erratum NMG_eSDHC118,
  56         * however, this erratum only applies to MPC8536 Rev1.0.
  57         * So set SDHC_WP to active-low when use MPC8536 Rev1.1 and greater.*/
  58        if ((((SVR_MAJ(get_svr()) & 0x7) == 0x1) &&
  59                        (SVR_MIN(get_svr()) >= 0x1))
  60                        || (SVR_MAJ(get_svr() & 0x7) > 0x1))
  61                setbits_be32(&gur->gencfgr, MPC85xx_GENCFGR_SDHC_WP_INV);
  62#endif
  63        return 0;
  64}
  65
  66int checkboard (void)
  67{
  68        u8 vboot;
  69        u8 *pixis_base = (u8 *)PIXIS_BASE;
  70
  71        printf("Board: MPC8536DS Sys ID: 0x%02x, "
  72                "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
  73                in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
  74                in_8(pixis_base + PIXIS_PVER));
  75
  76        vboot = in_8(pixis_base + PIXIS_VBOOT);
  77        switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) {
  78                case PIXIS_VBOOT_LBMAP_NOR0:
  79                        puts ("vBank: 0\n");
  80                        break;
  81                case PIXIS_VBOOT_LBMAP_NOR1:
  82                        puts ("vBank: 1\n");
  83                        break;
  84                case PIXIS_VBOOT_LBMAP_NOR2:
  85                        puts ("vBank: 2\n");
  86                        break;
  87                case PIXIS_VBOOT_LBMAP_NOR3:
  88                        puts ("vBank: 3\n");
  89                        break;
  90                case PIXIS_VBOOT_LBMAP_PJET:
  91                        puts ("Promjet\n");
  92                        break;
  93                case PIXIS_VBOOT_LBMAP_NAND:
  94                        puts ("NAND\n");
  95                        break;
  96        }
  97
  98        return 0;
  99}
 100
 101#if !defined(CONFIG_SPD_EEPROM)
 102/*
 103 * Fixed sdram init -- doesn't use serial presence detect.
 104 */
 105
 106phys_size_t fixed_sdram (void)
 107{
 108        volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
 109        volatile ccsr_ddr_t *ddr= &immap->im_ddr;
 110        uint d_init;
 111
 112        ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
 113        ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
 114
 115        ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
 116        ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
 117        ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
 118        ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
 119        ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
 120        ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
 121        ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
 122        ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
 123        ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
 124        ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
 125
 126#if defined (CONFIG_DDR_ECC)
 127        ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
 128        ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
 129        ddr->err_sbe = CONFIG_SYS_DDR_SBE;
 130#endif
 131        asm("sync;isync");
 132
 133        udelay(500);
 134
 135        ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
 136
 137#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
 138        d_init = 1;
 139        debug("DDR - 1st controller: memory initializing\n");
 140        /*
 141         * Poll until memory is initialized.
 142         * 512 Meg at 400 might hit this 200 times or so.
 143         */
 144        while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
 145                udelay(1000);
 146        }
 147        debug("DDR: memory initialized\n\n");
 148        asm("sync; isync");
 149        udelay(500);
 150#endif
 151
 152        return 512 * 1024 * 1024;
 153}
 154
 155#endif
 156
 157#ifdef CONFIG_PCI1
 158static struct pci_controller pci1_hose;
 159#endif
 160
 161#ifdef CONFIG_PCI
 162void pci_init_board(void)
 163{
 164        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 165        struct fsl_pci_info pci_info;
 166        u32 devdisr, pordevsr;
 167        u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
 168        int first_free_busno;
 169
 170        first_free_busno = fsl_pcie_init_board(0);
 171
 172#ifdef CONFIG_PCI1
 173        devdisr = in_be32(&gur->devdisr);
 174        pordevsr = in_be32(&gur->pordevsr);
 175        porpllsr = in_be32(&gur->porpllsr);
 176
 177        pci_speed = 66666000;
 178        pci_32 = 1;
 179        pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
 180        pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
 181
 182        if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
 183                SET_STD_PCI_INFO(pci_info, 1);
 184                set_next_law(pci_info.mem_phys,
 185                        law_size_bits(pci_info.mem_size), pci_info.law);
 186                set_next_law(pci_info.io_phys,
 187                        law_size_bits(pci_info.io_size), pci_info.law);
 188
 189                pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
 190                printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
 191                        (pci_32) ? 32 : 64,
 192                        (pci_speed == 33333000) ? "33" :
 193                        (pci_speed == 66666000) ? "66" : "unknown",
 194                        pci_clk_sel ? "sync" : "async",
 195                        pci_agent ? "agent" : "host",
 196                        pci_arb ? "arbiter" : "external-arbiter",
 197                        pci_info.regs);
 198
 199                first_free_busno = fsl_pci_init_port(&pci_info,
 200                                        &pci1_hose, first_free_busno);
 201        } else {
 202                printf("PCI: disabled\n");
 203        }
 204
 205        puts("\n");
 206#else
 207        setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
 208#endif
 209}
 210#endif
 211
 212int board_early_init_r(void)
 213{
 214        const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 215        const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
 216
 217        /*
 218         * Remap Boot flash + PROMJET region to caching-inhibited
 219         * so that flash can be erased properly.
 220         */
 221
 222        /* Flush d-cache and invalidate i-cache of any FLASH data */
 223        flush_dcache();
 224        invalidate_icache();
 225
 226        /* invalidate existing TLB entry for flash + promjet */
 227        disable_tlb(flash_esel);
 228
 229        set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,       /* tlb, epn, rpn */
 230                MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
 231                0, flash_esel, BOOKE_PAGESZ_256M, 1);   /* ts, esel, tsize, iprot */
 232
 233        return 0;
 234}
 235
 236int board_eth_init(bd_t *bis)
 237{
 238#ifdef CONFIG_TSEC_ENET
 239        struct fsl_pq_mdio_info mdio_info;
 240        struct tsec_info_struct tsec_info[2];
 241        int num = 0;
 242
 243#ifdef CONFIG_TSEC1
 244        SET_STD_TSEC_INFO(tsec_info[num], 1);
 245        if (is_serdes_configured(SGMII_TSEC1)) {
 246                puts("eTSEC1 is in sgmii mode.\n");
 247                tsec_info[num].phyaddr = 0;
 248                tsec_info[num].flags |= TSEC_SGMII;
 249        }
 250        num++;
 251#endif
 252#ifdef CONFIG_TSEC3
 253        SET_STD_TSEC_INFO(tsec_info[num], 3);
 254        if (is_serdes_configured(SGMII_TSEC3)) {
 255                puts("eTSEC3 is in sgmii mode.\n");
 256                tsec_info[num].phyaddr = 1;
 257                tsec_info[num].flags |= TSEC_SGMII;
 258        }
 259        num++;
 260#endif
 261
 262        if (!num) {
 263                printf("No TSECs initialized\n");
 264                return 0;
 265        }
 266
 267#ifdef CONFIG_FSL_SGMII_RISER
 268        if (is_serdes_configured(SGMII_TSEC1) ||
 269            is_serdes_configured(SGMII_TSEC3)) {
 270                fsl_sgmii_riser_init(tsec_info, num);
 271        }
 272#endif
 273
 274        mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
 275        mdio_info.name = DEFAULT_MII_NAME;
 276        fsl_pq_mdio_init(bis, &mdio_info);
 277
 278        tsec_eth_init(bis, tsec_info, num);
 279#endif
 280        return pci_eth_init(bis);
 281}
 282
 283#if defined(CONFIG_OF_BOARD_SETUP)
 284void ft_board_setup(void *blob, bd_t *bd)
 285{
 286        ft_cpu_setup(blob, bd);
 287
 288        FT_FSL_PCI_SETUP;
 289
 290#ifdef CONFIG_FSL_SGMII_RISER
 291        fsl_sgmii_riser_fdt_fixup(blob);
 292#endif
 293
 294#ifdef CONFIG_HAS_FSL_MPH_USB
 295        fdt_fixup_dr_usb(blob, bd);
 296#endif
 297
 298}
 299#endif
 300