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 <asm/fsl_serdes.h>
  34 #include <miiphy.h>
  35 #include <libfdt.h>
  36 #include <fdt_support.h>
  37 #include <tsec.h>
  38 #include <asm/fsl_law.h>
  39 #include <asm/mp.h>
  40 #include <netdev.h>
  41
  42 #include "../common/ngpixis.h"
  43 #include "../common/sgmii_riser.h"
  44
  45 DECLARE_GLOBAL_DATA_PTR;
  46
  47 int board_early_init_f(void)
  48 {
  49 #ifdef CONFIG_MMC
  50         ccsr_gur_t *gur = (ccsr_gur_t *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  51
  52         setbits_be32(&gur->pmuxcr,
  53                          (MPC85xx_PMUXCR_SDHC_CD |
  54                          MPC85xx_PMUXCR_SDHC_WP));
  55 #endif
  56
  57         return 0;
  58 }
  59
  60 int checkboard(void)
  61 {
  62         u8 sw;
  63
  64         puts("Board: P2020DS ");
  65 #ifdef CONFIG_PHYS_64BIT
  66         puts("(36-bit addrmap) ");
  67 #endif
  68
  69         printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
  70                 in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));
  71
  72         sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
  73         sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT;
  74
  75         if (sw < 0x8)
  76                 /* The lower two bits are the actual vbank number */
  77                 printf("vBank: %d\n", sw & 3);
  78         else
  79                 puts("Promjet\n");
  80
  81         return 0;
  82 }
  83
  84 #if !defined(CONFIG_DDR_SPD)
  85 /*
  86  * Fixed sdram init -- doesn't use serial presence detect.
  87  */
  88
  89 phys_size_t fixed_sdram(void)
  90 {
  91         volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
  92         uint d_init;
  93
  94         ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
  95         ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
  96         ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
  97         ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
  98         ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
  99         ddr->sdram_md_cntl = CONFIG_SYS_DDR_MODE_CTRL;
 100         ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
 101         ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
 102         ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
 103         ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
 104         ddr->ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CNTL;
 105         ddr->ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CNTL;
 106         ddr->ddr_cdr1 = CONFIG_SYS_DDR_CDR1;
 107         ddr->timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4;
 108         ddr->timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5;
 109
 110         if (!strcmp("performance", getenv("perf_mode"))) {
 111                 /* Performance Mode Values */
 112
 113                 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG_PERF;
 114                 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS_PERF;
 115                 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS_PERF;
 116                 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_PERF;
 117                 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_PERF;
 118
 119                 asm("sync;isync");
 120
 121                 udelay(500);
 122
 123                 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL_PERF;
 124         } else {
 125                 /* Stable Mode Values */
 126
 127                 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG;
 128                 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
 129                 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS;
 130                 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
 131                 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
 132
 133                 /* ECC will be assumed in stable mode */
 134                 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
 135                 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
 136                 ddr->err_sbe = CONFIG_SYS_DDR_SBE;
 137
 138                 asm("sync;isync");
 139
 140                 udelay(500);
 141
 142                 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
 143         }
 144
 145 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
 146         d_init = 1;
 147         debug("DDR - 1st controller: memory initializing\n");
 148         /*
 149          * Poll until memory is initialized.
 150          * 512 Meg at 400 might hit this 200 times or so.
 151          */
 152         while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
 153                 udelay(1000);
 154         debug("DDR: memory initialized\n\n");
 155         asm("sync; isync");
 156         udelay(500);
 157 #endif
 158
 159         if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE,
 160                          CONFIG_SYS_SDRAM_SIZE * 1024 * 1024,
 161                          LAW_TRGT_IF_DDR) < 0) {
 162                 printf("ERROR setting Local Access Windows for DDR\n");
 163                 return 0;
 164         };
 165
 166         return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
 167 }
 168
 169 #endif
 170
 171 #ifdef CONFIG_PCI
 172 void pci_init_board(void)
 173 {
 174         fsl_pcie_init_board(0);
 175 }
 176 #endif
 177
 178 int board_early_init_r(void)
 179 {
 180         const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 181         const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
 182
 183         /*
 184          * Remap Boot flash + PROMJET region to caching-inhibited
 185          * so that flash can be erased properly.
 186          */
 187
 188         /* Flush d-cache and invalidate i-cache of any FLASH data */
 189         flush_dcache();
 190         invalidate_icache();
 191
 192         /* invalidate existing TLB entry for flash + promjet */
 193         disable_tlb(flash_esel);
 194
 195         set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
 196                         MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 197                         0, flash_esel, BOOKE_PAGESZ_256M, 1);
 198
 199         return 0;
 200 }
 201
 202 #ifdef CONFIG_TSEC_ENET
 203 int board_eth_init(bd_t *bis)
 204 {
 205         struct tsec_info_struct tsec_info[4];
 206         int num = 0;
 207
 208 #ifdef CONFIG_TSEC1
 209         SET_STD_TSEC_INFO(tsec_info[num], 1);
 210         num++;
 211 #endif
 212 #ifdef CONFIG_TSEC2
 213         SET_STD_TSEC_INFO(tsec_info[num], 2);
 214         if (is_serdes_configured(SGMII_TSEC2)) {
 215                 puts("eTSEC2 is in sgmii mode.\n");
 216                 tsec_info[num].flags |= TSEC_SGMII;
 217         }
 218         num++;
 219 #endif
 220 #ifdef CONFIG_TSEC3
 221         SET_STD_TSEC_INFO(tsec_info[num], 3);
 222         if (is_serdes_configured(SGMII_TSEC3)) {
 223                 puts("eTSEC3 is in sgmii mode.\n");
 224                 tsec_info[num].flags |= TSEC_SGMII;
 225 }
 226         num++;
 227 #endif
 228
 229         if (!num) {
 230                 printf("No TSECs initialized\n");
 231
 232                 return 0;
 233         }
 234
 235 #ifdef CONFIG_FSL_SGMII_RISER
 236         fsl_sgmii_riser_init(tsec_info, num);
 237 #endif
 238
 239         tsec_eth_init(bis, tsec_info, num);
 240
 241         return pci_eth_init(bis);
 242 }
 243 #endif
 244
 245 #if defined(CONFIG_OF_BOARD_SETUP)
 246 void ft_board_setup(void *blob, bd_t *bd)
 247 {
 248         phys_addr_t base;
 249         phys_size_t size;
 250
 251         ft_cpu_setup(blob, bd);
 252
 253         base = getenv_bootm_low();
 254         size = getenv_bootm_size();
 255
 256         fdt_fixup_memory(blob, (u64)base, (u64)size);
 257
 258         FT_FSL_PCI_SETUP;
 259
 260 #ifdef CONFIG_FSL_SGMII_RISER
 261         fsl_sgmii_riser_fdt_fixup(blob);
 262 #endif
 263 }
 264 #endif
 265
 266 #ifdef CONFIG_MP
 267 void board_lmb_reserve(struct lmb *lmb)
 268 {
 269         cpu_mp_lmb_reserve(lmb);
 270 }
 271 #endif