board/freescale/ls1021atwr/ls1021atwr.c

   1 /*
   2  * Copyright 2014 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <i2c.h>
   9 #include <asm/io.h>
  10 #include <asm/arch/immap_ls102xa.h>
  11 #include <asm/arch/ns_access.h>
  12 #include <asm/arch/clock.h>
  13 #include <asm/arch/fsl_serdes.h>
  14 #include <asm/arch/ls102xa_stream_id.h>
  15 #include <asm/pcie_layerscape.h>
  16 #include <mmc.h>
  17 #include <fsl_esdhc.h>
  18 #include <fsl_ifc.h>
  19 #include <netdev.h>
  20 #include <fsl_mdio.h>
  21 #include <tsec.h>
  22 #include <fsl_sec.h>
  23 #include <spl.h>
  24 #ifdef CONFIG_U_QE
  25 #include "../../../drivers/qe/qe.h"
  26 #endif
  27
  28
  29 DECLARE_GLOBAL_DATA_PTR;
  30
  31 #define VERSION_MASK            0x00FF
  32 #define BANK_MASK               0x0001
  33 #define CONFIG_RESET            0x1
  34 #define INIT_RESET              0x1
  35
  36 #define CPLD_SET_MUX_SERDES     0x20
  37 #define CPLD_SET_BOOT_BANK      0x40
  38
  39 #define BOOT_FROM_UPPER_BANK    0x0
  40 #define BOOT_FROM_LOWER_BANK    0x1
  41
  42 #define LANEB_SATA              (0x01)
  43 #define LANEB_SGMII1            (0x02)
  44 #define LANEC_SGMII1            (0x04)
  45 #define LANEC_PCIEX1            (0x08)
  46 #define LANED_PCIEX2            (0x10)
  47 #define LANED_SGMII2            (0x20)
  48
  49 #define MASK_LANE_B             0x1
  50 #define MASK_LANE_C             0x2
  51 #define MASK_LANE_D             0x4
  52 #define MASK_SGMII              0x8
  53
  54 #define KEEP_STATUS             0x0
  55 #define NEED_RESET              0x1
  56
  57 struct cpld_data {
  58         u8 cpld_ver;            /* cpld revision */
  59         u8 cpld_ver_sub;        /* cpld sub revision */
  60         u8 pcba_ver;            /* pcb revision number */
  61         u8 system_rst;          /* reset system by cpld */
  62         u8 soft_mux_on;         /* CPLD override physical switches Enable */
  63         u8 cfg_rcw_src1;        /* Reset config word 1 */
  64         u8 cfg_rcw_src2;        /* Reset config word 2 */
  65         u8 vbank;               /* Flash bank selection Control */
  66         u8 gpio;                /* GPIO for TWR-ELEV */
  67         u8 i2c3_ifc_mux;
  68         u8 mux_spi2;
  69         u8 can3_usb2_mux;       /* CAN3 and USB2 Selection */
  70         u8 qe_lcd_mux;          /* QE and LCD Selection */
  71         u8 serdes_mux;          /* Multiplexed pins for SerDes Lanes */
  72         u8 global_rst;          /* reset with init CPLD reg to default */
  73         u8 rev1;                /* Reserved */
  74         u8 rev2;                /* Reserved */
  75 };
  76
  77 #ifndef CONFIG_QSPI_BOOT
  78 static void convert_serdes_mux(int type, int need_reset);
  79
  80 void cpld_show(void)
  81 {
  82         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
  83
  84         printf("CPLD:  V%x.%x\nPCBA:  V%x.0\nVBank: %d\n",
  85                in_8(&cpld_data->cpld_ver) & VERSION_MASK,
  86                in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK,
  87                in_8(&cpld_data->pcba_ver) & VERSION_MASK,
  88                in_8(&cpld_data->vbank) & BANK_MASK);
  89
  90 #ifdef CONFIG_DEBUG
  91         printf("soft_mux_on =%x\n",
  92                in_8(&cpld_data->soft_mux_on));
  93         printf("cfg_rcw_src1 =%x\n",
  94                in_8(&cpld_data->cfg_rcw_src1));
  95         printf("cfg_rcw_src2 =%x\n",
  96                in_8(&cpld_data->cfg_rcw_src2));
  97         printf("vbank =%x\n",
  98                in_8(&cpld_data->vbank));
  99         printf("gpio =%x\n",
 100                in_8(&cpld_data->gpio));
 101         printf("i2c3_ifc_mux =%x\n",
 102                in_8(&cpld_data->i2c3_ifc_mux));
 103         printf("mux_spi2 =%x\n",
 104                in_8(&cpld_data->mux_spi2));
 105         printf("can3_usb2_mux =%x\n",
 106                in_8(&cpld_data->can3_usb2_mux));
 107         printf("qe_lcd_mux =%x\n",
 108                in_8(&cpld_data->qe_lcd_mux));
 109         printf("serdes_mux =%x\n",
 110                in_8(&cpld_data->serdes_mux));
 111 #endif
 112 }
 113 #endif
 114
 115 int checkboard(void)
 116 {
 117         puts("Board: LS1021ATWR\n");
 118 #ifndef CONFIG_QSPI_BOOT
 119         cpld_show();
 120 #endif
 121
 122         return 0;
 123 }
 124
 125 void ddrmc_init(void)
 126 {
 127         struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
 128
 129         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
 130
 131         out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
 132         out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
 133
 134         out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
 135         out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
 136         out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
 137         out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
 138         out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
 139         out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
 140
 141         out_be32(&ddr->sdram_cfg_2,  DDR_SDRAM_CFG_2);
 142
 143         out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
 144         out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
 145
 146         out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
 147
 148         out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
 149
 150         out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
 151         out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
 152
 153         out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
 154         out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
 155
 156         out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
 157         out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
 158
 159         out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
 160         udelay(1);
 161         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | DDR_SDRAM_CFG_MEM_EN);
 162 }
 163
 164 int dram_init(void)
 165 {
 166 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
 167         ddrmc_init();
 168 #endif
 169
 170         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
 171         return 0;
 172 }
 173
 174 #ifdef CONFIG_FSL_ESDHC
 175 struct fsl_esdhc_cfg esdhc_cfg[1] = {
 176         {CONFIG_SYS_FSL_ESDHC_ADDR},
 177 };
 178
 179 int board_mmc_init(bd_t *bis)
 180 {
 181         esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 182
 183         return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
 184 }
 185 #endif
 186
 187 #ifdef CONFIG_TSEC_ENET
 188 int board_eth_init(bd_t *bis)
 189 {
 190         struct fsl_pq_mdio_info mdio_info;
 191         struct tsec_info_struct tsec_info[4];
 192         int num = 0;
 193
 194 #ifdef CONFIG_TSEC1
 195         SET_STD_TSEC_INFO(tsec_info[num], 1);
 196         if (is_serdes_configured(SGMII_TSEC1)) {
 197                 puts("eTSEC1 is in sgmii mode.\n");
 198                 tsec_info[num].flags |= TSEC_SGMII;
 199         }
 200         num++;
 201 #endif
 202 #ifdef CONFIG_TSEC2
 203         SET_STD_TSEC_INFO(tsec_info[num], 2);
 204         if (is_serdes_configured(SGMII_TSEC2)) {
 205                 puts("eTSEC2 is in sgmii mode.\n");
 206                 tsec_info[num].flags |= TSEC_SGMII;
 207         }
 208         num++;
 209 #endif
 210 #ifdef CONFIG_TSEC3
 211         SET_STD_TSEC_INFO(tsec_info[num], 3);
 212         num++;
 213 #endif
 214         if (!num) {
 215                 printf("No TSECs initialized\n");
 216                 return 0;
 217         }
 218
 219         mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
 220         mdio_info.name = DEFAULT_MII_NAME;
 221         fsl_pq_mdio_init(bis, &mdio_info);
 222
 223         tsec_eth_init(bis, tsec_info, num);
 224
 225         return pci_eth_init(bis);
 226 }
 227 #endif
 228
 229 #ifndef CONFIG_QSPI_BOOT
 230 int config_serdes_mux(void)
 231 {
 232         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 233         u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
 234
 235         protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT;
 236         switch (protocol) {
 237         case 0x10:
 238                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
 239                 convert_serdes_mux(LANED_PCIEX2 |
 240                                 LANEC_PCIEX1, KEEP_STATUS);
 241                 break;
 242         case 0x20:
 243                 convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS);
 244                 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
 245                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
 246                 break;
 247         case 0x30:
 248                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
 249                 convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS);
 250                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
 251                 break;
 252         case 0x70:
 253                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
 254                 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
 255                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
 256                 break;
 257         }
 258
 259         return 0;
 260 }
 261 #endif
 262
 263 int board_early_init_f(void)
 264 {
 265         struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
 266
 267 #ifdef CONFIG_TSEC_ENET
 268         out_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
 269         out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
 270 #endif
 271
 272 #ifdef CONFIG_FSL_IFC
 273         init_early_memctl_regs();
 274 #endif
 275
 276 #ifdef CONFIG_FSL_DCU_FB
 277         out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
 278 #endif
 279
 280 #ifdef CONFIG_FSL_QSPI
 281         out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
 282 #endif
 283
 284         return 0;
 285 }
 286
 287 #ifdef CONFIG_SPL_BUILD
 288 void board_init_f(ulong dummy)
 289 {
 290         /* Clear the BSS */
 291         memset(__bss_start, 0, __bss_end - __bss_start);
 292
 293         get_clocks();
 294
 295         preloader_console_init();
 296
 297         dram_init();
 298
 299         board_init_r(NULL, 0);
 300 }
 301 #endif
 302
 303 #ifdef CONFIG_LS102XA_NS_ACCESS
 304 static struct csu_ns_dev ns_dev[] = {
 305         { CSU_CSLX_PCIE2_IO, CSU_ALL_RW },
 306         { CSU_CSLX_PCIE1_IO, CSU_ALL_RW },
 307         { CSU_CSLX_MG2TPR_IP, CSU_ALL_RW },
 308         { CSU_CSLX_IFC_MEM, CSU_ALL_RW },
 309         { CSU_CSLX_OCRAM, CSU_ALL_RW },
 310         { CSU_CSLX_GIC, CSU_ALL_RW },
 311         { CSU_CSLX_PCIE1, CSU_ALL_RW },
 312         { CSU_CSLX_OCRAM2, CSU_ALL_RW },
 313         { CSU_CSLX_QSPI_MEM, CSU_ALL_RW },
 314         { CSU_CSLX_PCIE2, CSU_ALL_RW },
 315         { CSU_CSLX_SATA, CSU_ALL_RW },
 316         { CSU_CSLX_USB3, CSU_ALL_RW },
 317         { CSU_CSLX_SERDES, CSU_ALL_RW },
 318         { CSU_CSLX_QDMA, CSU_ALL_RW },
 319         { CSU_CSLX_LPUART2, CSU_ALL_RW },
 320         { CSU_CSLX_LPUART1, CSU_ALL_RW },
 321         { CSU_CSLX_LPUART4, CSU_ALL_RW },
 322         { CSU_CSLX_LPUART3, CSU_ALL_RW },
 323         { CSU_CSLX_LPUART6, CSU_ALL_RW },
 324         { CSU_CSLX_LPUART5, CSU_ALL_RW },
 325         { CSU_CSLX_DSPI2, CSU_ALL_RW },
 326         { CSU_CSLX_DSPI1, CSU_ALL_RW },
 327         { CSU_CSLX_QSPI, CSU_ALL_RW },
 328         { CSU_CSLX_ESDHC, CSU_ALL_RW },
 329         { CSU_CSLX_2D_ACE, CSU_ALL_RW },
 330         { CSU_CSLX_IFC, CSU_ALL_RW },
 331         { CSU_CSLX_I2C1, CSU_ALL_RW },
 332         { CSU_CSLX_USB2, CSU_ALL_RW },
 333         { CSU_CSLX_I2C3, CSU_ALL_RW },
 334         { CSU_CSLX_I2C2, CSU_ALL_RW },
 335         { CSU_CSLX_DUART2, CSU_ALL_RW },
 336         { CSU_CSLX_DUART1, CSU_ALL_RW },
 337         { CSU_CSLX_WDT2, CSU_ALL_RW },
 338         { CSU_CSLX_WDT1, CSU_ALL_RW },
 339         { CSU_CSLX_EDMA, CSU_ALL_RW },
 340         { CSU_CSLX_SYS_CNT, CSU_ALL_RW },
 341         { CSU_CSLX_DMA_MUX2, CSU_ALL_RW },
 342         { CSU_CSLX_DMA_MUX1, CSU_ALL_RW },
 343         { CSU_CSLX_DDR, CSU_ALL_RW },
 344         { CSU_CSLX_QUICC, CSU_ALL_RW },
 345         { CSU_CSLX_DCFG_CCU_RCPM, CSU_ALL_RW },
 346         { CSU_CSLX_SECURE_BOOTROM, CSU_ALL_RW },
 347         { CSU_CSLX_SFP, CSU_ALL_RW },
 348         { CSU_CSLX_TMU, CSU_ALL_RW },
 349         { CSU_CSLX_SECURE_MONITOR, CSU_ALL_RW },
 350         { CSU_CSLX_RESERVED0, CSU_ALL_RW },
 351         { CSU_CSLX_ETSEC1, CSU_ALL_RW },
 352         { CSU_CSLX_SEC5_5, CSU_ALL_RW },
 353         { CSU_CSLX_ETSEC3, CSU_ALL_RW },
 354         { CSU_CSLX_ETSEC2, CSU_ALL_RW },
 355         { CSU_CSLX_GPIO2, CSU_ALL_RW },
 356         { CSU_CSLX_GPIO1, CSU_ALL_RW },
 357         { CSU_CSLX_GPIO4, CSU_ALL_RW },
 358         { CSU_CSLX_GPIO3, CSU_ALL_RW },
 359         { CSU_CSLX_PLATFORM_CONT, CSU_ALL_RW },
 360         { CSU_CSLX_CSU, CSU_ALL_RW },
 361         { CSU_CSLX_ASRC, CSU_ALL_RW },
 362         { CSU_CSLX_SPDIF, CSU_ALL_RW },
 363         { CSU_CSLX_FLEXCAN2, CSU_ALL_RW },
 364         { CSU_CSLX_FLEXCAN1, CSU_ALL_RW },
 365         { CSU_CSLX_FLEXCAN4, CSU_ALL_RW },
 366         { CSU_CSLX_FLEXCAN3, CSU_ALL_RW },
 367         { CSU_CSLX_SAI2, CSU_ALL_RW },
 368         { CSU_CSLX_SAI1, CSU_ALL_RW },
 369         { CSU_CSLX_SAI4, CSU_ALL_RW },
 370         { CSU_CSLX_SAI3, CSU_ALL_RW },
 371         { CSU_CSLX_FTM2, CSU_ALL_RW },
 372         { CSU_CSLX_FTM1, CSU_ALL_RW },
 373         { CSU_CSLX_FTM4, CSU_ALL_RW },
 374         { CSU_CSLX_FTM3, CSU_ALL_RW },
 375         { CSU_CSLX_FTM6, CSU_ALL_RW },
 376         { CSU_CSLX_FTM5, CSU_ALL_RW },
 377         { CSU_CSLX_FTM8, CSU_ALL_RW },
 378         { CSU_CSLX_FTM7, CSU_ALL_RW },
 379         { CSU_CSLX_COP_DCSR, CSU_ALL_RW },
 380         { CSU_CSLX_EPU, CSU_ALL_RW },
 381         { CSU_CSLX_GDI, CSU_ALL_RW },
 382         { CSU_CSLX_DDI, CSU_ALL_RW },
 383         { CSU_CSLX_RESERVED1, CSU_ALL_RW },
 384         { CSU_CSLX_USB3_PHY, CSU_ALL_RW },
 385         { CSU_CSLX_RESERVED2, CSU_ALL_RW },
 386 };
 387 #endif
 388
 389 struct smmu_stream_id dev_stream_id[] = {
 390         { 0x100, 0x01, "ETSEC MAC1" },
 391         { 0x104, 0x02, "ETSEC MAC2" },
 392         { 0x108, 0x03, "ETSEC MAC3" },
 393         { 0x10c, 0x04, "PEX1" },
 394         { 0x110, 0x05, "PEX2" },
 395         { 0x114, 0x06, "qDMA" },
 396         { 0x118, 0x07, "SATA" },
 397         { 0x11c, 0x08, "USB3" },
 398         { 0x120, 0x09, "QE" },
 399         { 0x124, 0x0a, "eSDHC" },
 400         { 0x128, 0x0b, "eMA" },
 401         { 0x14c, 0x0c, "2D-ACE" },
 402         { 0x150, 0x0d, "USB2" },
 403         { 0x18c, 0x0e, "DEBUG" },
 404 };
 405
 406 int board_init(void)
 407 {
 408         struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
 409
 410         /*
 411          * Set CCI-400 Slave interface S0, S1, S2 Shareable Override Register
 412          * All transactions are treated as non-shareable
 413          */
 414         out_le32(&cci->slave[0].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
 415         out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
 416         out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
 417
 418 #ifndef CONFIG_SYS_FSL_NO_SERDES
 419         fsl_serdes_init();
 420 #ifndef CONFIG_QSPI_BOOT
 421         config_serdes_mux();
 422 #endif
 423 #endif
 424
 425         ls102xa_config_smmu_stream_id(dev_stream_id,
 426                                       ARRAY_SIZE(dev_stream_id));
 427
 428 #ifdef CONFIG_LS102XA_NS_ACCESS
 429         enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev));
 430 #endif
 431
 432 #ifdef CONFIG_U_QE
 433         u_qe_init();
 434 #endif
 435
 436         return 0;
 437 }
 438
 439 #if defined(CONFIG_MISC_INIT_R)
 440 int misc_init_r(void)
 441 {
 442 #ifdef CONFIG_FSL_CAAM
 443         return sec_init();
 444 #endif
 445 }
 446 #endif
 447
 448 int ft_board_setup(void *blob, bd_t *bd)
 449 {
 450         ft_cpu_setup(blob, bd);
 451
 452 #ifdef CONFIG_PCIE_LAYERSCAPE
 453         ft_pcie_setup(blob, bd);
 454 #endif
 455
 456         return 0;
 457 }
 458
 459 u8 flash_read8(void *addr)
 460 {
 461         return __raw_readb(addr + 1);
 462 }
 463
 464 void flash_write16(u16 val, void *addr)
 465 {
 466         u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
 467
 468         __raw_writew(shftval, addr);
 469 }
 470
 471 u16 flash_read16(void *addr)
 472 {
 473         u16 val = __raw_readw(addr);
 474
 475         return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
 476 }
 477
 478 #ifndef CONFIG_QSPI_BOOT
 479 static void convert_flash_bank(char bank)
 480 {
 481         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 482
 483         printf("Now switch to boot from flash bank %d.\n", bank);
 484         cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK;
 485         cpld_data->vbank = bank;
 486
 487         printf("Reset board to enable configuration.\n");
 488         cpld_data->system_rst = CONFIG_RESET;
 489 }
 490
 491 static int flash_bank_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
 492                           char * const argv[])
 493 {
 494         if (argc != 2)
 495                 return CMD_RET_USAGE;
 496         if (strcmp(argv[1], "0") == 0)
 497                 convert_flash_bank(BOOT_FROM_UPPER_BANK);
 498         else if (strcmp(argv[1], "1") == 0)
 499                 convert_flash_bank(BOOT_FROM_LOWER_BANK);
 500         else
 501                 return CMD_RET_USAGE;
 502
 503         return 0;
 504 }
 505
 506 U_BOOT_CMD(
 507         boot_bank, 2, 0, flash_bank_cmd,
 508         "Flash bank Selection Control",
 509         "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)"
 510 );
 511
 512 static int cpld_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
 513                           char * const argv[])
 514 {
 515         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 516
 517         if (argc > 2)
 518                 return CMD_RET_USAGE;
 519         if ((argc == 1) || (strcmp(argv[1], "conf") == 0))
 520                 cpld_data->system_rst = CONFIG_RESET;
 521         else if (strcmp(argv[1], "init") == 0)
 522                 cpld_data->global_rst = INIT_RESET;
 523         else
 524                 return CMD_RET_USAGE;
 525
 526         return 0;
 527 }
 528
 529 U_BOOT_CMD(
 530         cpld_reset, 2, 0, cpld_reset_cmd,
 531         "Reset via CPLD",
 532         "conf\n"
 533         "       -reset with current CPLD configuration\n"
 534         "init\n"
 535         "       -reset and initial CPLD configuration with default value"
 536
 537 );
 538
 539 static void convert_serdes_mux(int type, int need_reset)
 540 {
 541         char current_serdes;
 542         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 543
 544         current_serdes = cpld_data->serdes_mux;
 545
 546         switch (type) {
 547         case LANEB_SATA:
 548                 current_serdes &= ~MASK_LANE_B;
 549                 break;
 550         case LANEB_SGMII1:
 551                 current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
 552                 break;
 553         case LANEC_SGMII1:
 554                 current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
 555                 break;
 556         case LANED_SGMII2:
 557                 current_serdes |= MASK_LANE_D;
 558                 break;
 559         case LANEC_PCIEX1:
 560                 current_serdes |= MASK_LANE_C;
 561                 break;
 562         case (LANED_PCIEX2 | LANEC_PCIEX1):
 563                 current_serdes |= MASK_LANE_C;
 564                 current_serdes &= ~MASK_LANE_D;
 565                 break;
 566         default:
 567                 printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type);
 568                 return;
 569         }
 570
 571         cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES;
 572         cpld_data->serdes_mux = current_serdes;
 573
 574         if (need_reset == 1) {
 575                 printf("Reset board to enable configuration\n");
 576                 cpld_data->system_rst = CONFIG_RESET;
 577         }
 578 }
 579
 580 void print_serdes_mux(void)
 581 {
 582         char current_serdes;
 583         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 584
 585         current_serdes = cpld_data->serdes_mux;
 586
 587         printf("Serdes Lane B: ");
 588         if ((current_serdes & MASK_LANE_B) == 0)
 589                 printf("SATA,\n");
 590         else
 591                 printf("SGMII 1,\n");
 592
 593         printf("Serdes Lane C: ");
 594         if ((current_serdes & MASK_LANE_C) == 0)
 595                 printf("SGMII 1,\n");
 596         else
 597                 printf("PCIe,\n");
 598
 599         printf("Serdes Lane D: ");
 600         if ((current_serdes & MASK_LANE_D) == 0)
 601                 printf("PCIe,\n");
 602         else
 603                 printf("SGMII 2,\n");
 604
 605         printf("SGMII 1 is on lane ");
 606         if ((current_serdes & MASK_SGMII) == 0)
 607                 printf("C.\n");
 608         else
 609                 printf("B.\n");
 610 }
 611
 612 static int serdes_mux_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
 613                           char * const argv[])
 614 {
 615         if (argc != 2)
 616                 return CMD_RET_USAGE;
 617         if (strcmp(argv[1], "sata") == 0) {
 618                 printf("Set serdes lane B to SATA.\n");
 619                 convert_serdes_mux(LANEB_SATA, NEED_RESET);
 620         } else if (strcmp(argv[1], "sgmii1b") == 0) {
 621                 printf("Set serdes lane B to SGMII 1.\n");
 622                 convert_serdes_mux(LANEB_SGMII1, NEED_RESET);
 623         } else if (strcmp(argv[1], "sgmii1c") == 0) {
 624                 printf("Set serdes lane C to SGMII 1.\n");
 625                 convert_serdes_mux(LANEC_SGMII1, NEED_RESET);
 626         } else if (strcmp(argv[1], "sgmii2") == 0) {
 627                 printf("Set serdes lane D to SGMII 2.\n");
 628                 convert_serdes_mux(LANED_SGMII2, NEED_RESET);
 629         } else if (strcmp(argv[1], "pciex1") == 0) {
 630                 printf("Set serdes lane C to PCIe X1.\n");
 631                 convert_serdes_mux(LANEC_PCIEX1, NEED_RESET);
 632         } else if (strcmp(argv[1], "pciex2") == 0) {
 633                 printf("Set serdes lane C & lane D to PCIe X2.\n");
 634                 convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET);
 635         } else if (strcmp(argv[1], "show") == 0) {
 636                 print_serdes_mux();
 637         } else {
 638                 return CMD_RET_USAGE;
 639         }
 640
 641         return 0;
 642 }
 643
 644 U_BOOT_CMD(
 645         lane_bank, 2, 0, serdes_mux_cmd,
 646         "Multiplexed function setting for SerDes Lanes",
 647         "sata\n"
 648         "       -change lane B to sata\n"
 649         "lane_bank sgmii1b\n"
 650         "       -change lane B to SGMII1\n"
 651         "lane_bank sgmii1c\n"
 652         "       -change lane C to SGMII1\n"
 653         "lane_bank sgmii2\n"
 654         "       -change lane D to SGMII2\n"
 655         "lane_bank pciex1\n"
 656         "       -change lane C to PCIeX1\n"
 657         "lane_bank pciex2\n"
 658         "       -change lane C & lane D to PCIeX2\n"
 659         "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n"
 660 );
 661 #endif