// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2014 Freescale Semiconductor, Inc. * Copyright 2019 NXP */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../common/sleep.h" #ifdef CONFIG_U_QE #include #endif #include DECLARE_GLOBAL_DATA_PTR; #define VERSION_MASK 0x00FF #define BANK_MASK 0x0001 #define CFG_RESET 0x1 #define INIT_RESET 0x1 #define CPLD_SET_MUX_SERDES 0x20 #define CPLD_SET_BOOT_BANK 0x40 #define BOOT_FROM_UPPER_BANK 0x0 #define BOOT_FROM_LOWER_BANK 0x1 #define LANEB_SATA (0x01) #define LANEB_SGMII1 (0x02) #define LANEC_SGMII1 (0x04) #define LANEC_PCIEX1 (0x08) #define LANED_PCIEX2 (0x10) #define LANED_SGMII2 (0x20) #define MASK_LANE_B 0x1 #define MASK_LANE_C 0x2 #define MASK_LANE_D 0x4 #define MASK_SGMII 0x8 #define KEEP_STATUS 0x0 #define NEED_RESET 0x1 #define SOFT_MUX_ON_I2C3_IFC 0x2 #define SOFT_MUX_ON_CAN3_USB2 0x8 #define SOFT_MUX_ON_QE_LCD 0x10 #define PIN_I2C3_IFC_MUX_I2C3 0x0 #define PIN_I2C3_IFC_MUX_IFC 0x1 #define PIN_CAN3_USB2_MUX_USB2 0x0 #define PIN_CAN3_USB2_MUX_CAN3 0x1 #define PIN_QE_LCD_MUX_LCD 0x0 #define PIN_QE_LCD_MUX_QE 0x1 struct cpld_data { u8 cpld_ver; /* cpld revision */ u8 cpld_ver_sub; /* cpld sub revision */ u8 pcba_ver; /* pcb revision number */ u8 system_rst; /* reset system by cpld */ u8 soft_mux_on; /* CPLD override physical switches Enable */ u8 cfg_rcw_src1; /* Reset config word 1 */ u8 cfg_rcw_src2; /* Reset config word 2 */ u8 vbank; /* Flash bank selection Control */ u8 gpio; /* GPIO for TWR-ELEV */ u8 i2c3_ifc_mux; u8 mux_spi2; u8 can3_usb2_mux; /* CAN3 and USB2 Selection */ u8 qe_lcd_mux; /* QE and LCD Selection */ u8 serdes_mux; /* Multiplexed pins for SerDes Lanes */ u8 global_rst; /* reset with init CPLD reg to default */ u8 rev1; /* Reserved */ u8 rev2; /* Reserved */ }; #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) static void cpld_show(void) { struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); printf("CPLD: V%x.%x\nPCBA: V%x.0\nVBank: %d\n", in_8(&cpld_data->cpld_ver) & VERSION_MASK, in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK, in_8(&cpld_data->pcba_ver) & VERSION_MASK, in_8(&cpld_data->vbank) & BANK_MASK); #ifdef DEBUG printf("soft_mux_on =%x\n", in_8(&cpld_data->soft_mux_on)); printf("cfg_rcw_src1 =%x\n", in_8(&cpld_data->cfg_rcw_src1)); printf("cfg_rcw_src2 =%x\n", in_8(&cpld_data->cfg_rcw_src2)); printf("vbank =%x\n", in_8(&cpld_data->vbank)); printf("gpio =%x\n", in_8(&cpld_data->gpio)); printf("i2c3_ifc_mux =%x\n", in_8(&cpld_data->i2c3_ifc_mux)); printf("mux_spi2 =%x\n", in_8(&cpld_data->mux_spi2)); printf("can3_usb2_mux =%x\n", in_8(&cpld_data->can3_usb2_mux)); printf("qe_lcd_mux =%x\n", in_8(&cpld_data->qe_lcd_mux)); printf("serdes_mux =%x\n", in_8(&cpld_data->serdes_mux)); #endif } #endif int checkboard(void) { puts("Board: LS1021ATWR\n"); #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) cpld_show(); #endif return 0; } void ddrmc_init(void) { struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR; u32 temp_sdram_cfg, tmp; out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG); out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS); out_be32(&ddr->cs0_config, DDR_CS0_CONFIG); out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0); out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1); out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2); out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3); out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4); out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5); #ifdef CONFIG_DEEP_SLEEP if (is_warm_boot()) { out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2 & ~SDRAM_CFG2_D_INIT); out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); out_be32(&ddr->init_ext_addr, (1 << 31)); /* DRAM VRef will not be trained */ out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2 & ~DDR_CDR2_VREF_TRAIN_EN); } else #endif { out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2); out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2); } out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE); out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2); out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL); out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL); out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2); out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3); out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1); out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL); out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL); out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2); /* DDR erratum A-009942 */ tmp = in_be32(&ddr->debug[28]); out_be32(&ddr->debug[28], tmp | 0x0070006f); udelay(1); #ifdef CONFIG_DEEP_SLEEP if (is_warm_boot()) { /* enter self-refresh */ temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2); temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg); temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN | SDRAM_CFG_BI); } else #endif temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI); out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg); #ifdef CONFIG_DEEP_SLEEP if (is_warm_boot()) { /* exit self-refresh */ temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2); temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg); } #endif } int dram_init(void) { #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)) ddrmc_init(); #endif erratum_a008850_post(); gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); #if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD) fsl_dp_resume(); #endif return 0; } int board_eth_init(struct bd_info *bis) { return pci_eth_init(bis); } #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) static void convert_serdes_mux(int type, int need_reset) { char current_serdes; struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); current_serdes = cpld_data->serdes_mux; switch (type) { case LANEB_SATA: current_serdes &= ~MASK_LANE_B; break; case LANEB_SGMII1: current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C); break; case LANEC_SGMII1: current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C); break; case LANED_SGMII2: current_serdes |= MASK_LANE_D; break; case LANEC_PCIEX1: current_serdes |= MASK_LANE_C; break; case (LANED_PCIEX2 | LANEC_PCIEX1): current_serdes |= MASK_LANE_C; current_serdes &= ~MASK_LANE_D; break; default: printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type); return; } cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES; cpld_data->serdes_mux = current_serdes; if (need_reset == 1) { printf("Reset board to enable configuration\n"); cpld_data->system_rst = CFG_RESET; } } int config_serdes_mux(void) { struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK; protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT; switch (protocol) { case 0x10: convert_serdes_mux(LANEB_SATA, KEEP_STATUS); convert_serdes_mux(LANED_PCIEX2 | LANEC_PCIEX1, KEEP_STATUS); break; case 0x20: convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS); convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS); convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); break; case 0x30: convert_serdes_mux(LANEB_SATA, KEEP_STATUS); convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS); convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); break; case 0x70: convert_serdes_mux(LANEB_SATA, KEEP_STATUS); convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS); convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); break; } return 0; } #endif #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) int config_board_mux(void) { struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); int conflict_flag; conflict_flag = 0; if (hwconfig("i2c3")) { conflict_flag++; cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC; cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_I2C3; } if (hwconfig("ifc")) { conflict_flag++; /* some signals can not enable simultaneous*/ if (conflict_flag > 1) goto conflict; cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC; cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_IFC; } conflict_flag = 0; if (hwconfig("usb2")) { conflict_flag++; cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2; cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_USB2; } if (hwconfig("can3")) { conflict_flag++; /* some signals can not enable simultaneous*/ if (conflict_flag > 1) goto conflict; cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2; cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_CAN3; } conflict_flag = 0; if (hwconfig("lcd")) { conflict_flag++; cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD; cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_LCD; } if (hwconfig("qe")) { conflict_flag++; /* some signals can not enable simultaneous*/ if (conflict_flag > 1) goto conflict; cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD; cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_QE; } return 0; conflict: printf("WARNING: pin conflict! MUX setting may failed!\n"); return 0; } #endif int board_early_init_f(void) { struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; #ifdef CONFIG_TSEC_ENET /* clear BD & FR bits for BE BD's and frame data */ clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125); #endif #ifdef CONFIG_FSL_IFC init_early_memctl_regs(); #endif arch_soc_init(); #if defined(CONFIG_DEEP_SLEEP) if (is_warm_boot()) { timer_init(); dram_init(); } #endif return 0; } #ifdef CONFIG_SPL_BUILD void board_init_f(ulong dummy) { void (*second_uboot)(void); /* Clear the BSS */ memset(__bss_start, 0, __bss_end - __bss_start); get_clocks(); #if defined(CONFIG_DEEP_SLEEP) if (is_warm_boot()) fsl_dp_disable_console(); #endif preloader_console_init(); timer_init(); dram_init(); /* Allow OCRAM access permission as R/W */ #ifdef CONFIG_LAYERSCAPE_NS_ACCESS enable_layerscape_ns_access(); #endif /* * if it is woken up from deep sleep, then jump to second * stage uboot and continue executing without recopying * it from SD since it has already been reserved in memeory * in last boot. */ if (is_warm_boot()) { second_uboot = (void (*)(void))CONFIG_SYS_TEXT_BASE; second_uboot(); } board_init_r(NULL, 0); } #endif #ifdef CONFIG_DEEP_SLEEP /* program the regulator (MC34VR500) to support deep sleep */ void ls1twr_program_regulator(void) { u8 i2c_device_id; #define LS1TWR_I2C_BUS_MC34VR500 1 #define MC34VR500_ADDR 0x8 #define MC34VR500_DEVICEID 0x4 #define MC34VR500_DEVICEID_MASK 0x0f #if CONFIG_IS_ENABLED(DM_I2C) struct udevice *dev; int ret; ret = i2c_get_chip_for_busnum(LS1TWR_I2C_BUS_MC34VR500, MC34VR500_ADDR, 1, &dev); if (ret) { printf("%s: Cannot find udev for a bus %d\n", __func__, LS1TWR_I2C_BUS_MC34VR500); return; } i2c_device_id = dm_i2c_reg_read(dev, 0x0) & MC34VR500_DEVICEID_MASK; if (i2c_device_id != MC34VR500_DEVICEID) { printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n"); return; } dm_i2c_reg_write(dev, 0x31, 0x4); dm_i2c_reg_write(dev, 0x4d, 0x4); dm_i2c_reg_write(dev, 0x6d, 0x38); dm_i2c_reg_write(dev, 0x6f, 0x37); dm_i2c_reg_write(dev, 0x71, 0x30); #else unsigned int i2c_bus; i2c_bus = i2c_get_bus_num(); i2c_set_bus_num(LS1TWR_I2C_BUS_MC34VR500); i2c_device_id = i2c_reg_read(MC34VR500_ADDR, 0x0) & MC34VR500_DEVICEID_MASK; if (i2c_device_id != MC34VR500_DEVICEID) { printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n"); return; } i2c_reg_write(MC34VR500_ADDR, 0x31, 0x4); i2c_reg_write(MC34VR500_ADDR, 0x4d, 0x4); i2c_reg_write(MC34VR500_ADDR, 0x6d, 0x38); i2c_reg_write(MC34VR500_ADDR, 0x6f, 0x37); i2c_reg_write(MC34VR500_ADDR, 0x71, 0x30); i2c_set_bus_num(i2c_bus); #endif } #endif int board_init(void) { #ifdef CONFIG_SYS_FSL_ERRATUM_A010315 erratum_a010315(); #endif #ifndef CONFIG_SYS_FSL_NO_SERDES fsl_serdes_init(); #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) config_serdes_mux(); #endif #endif ls102xa_smmu_stream_id_init(); #ifdef CONFIG_U_QE u_qe_init(); #endif #ifdef CONFIG_DEEP_SLEEP ls1twr_program_regulator(); #endif return 0; } #if defined(CONFIG_SPL_BUILD) void spl_board_init(void) { ls102xa_smmu_stream_id_init(); } #endif #ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { #ifdef CONFIG_CHAIN_OF_TRUST fsl_setenv_chain_of_trust(); #endif return 0; } #endif #if defined(CONFIG_MISC_INIT_R) int misc_init_r(void) { #ifdef CONFIG_FSL_DEVICE_DISABLE device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl)); #endif #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) config_board_mux(); #endif #ifdef CONFIG_FSL_CAAM return sec_init(); #endif } #endif #if defined(CONFIG_DEEP_SLEEP) void board_sleep_prepare(void) { #ifdef CONFIG_LAYERSCAPE_NS_ACCESS enable_layerscape_ns_access(); #endif } #endif int ft_board_setup(void *blob, struct bd_info *bd) { ft_cpu_setup(blob, bd); #ifdef CONFIG_PCI ft_pci_setup(blob, bd); #endif return 0; } u8 flash_read8(void *addr) { return __raw_readb(addr + 1); } void flash_write16(u16 val, void *addr) { u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00)); __raw_writew(shftval, addr); } u16 flash_read16(void *addr) { u16 val = __raw_readw(addr); return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00); } #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) \ && !defined(CONFIG_SPL_BUILD) static void convert_flash_bank(char bank) { struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); printf("Now switch to boot from flash bank %d.\n", bank); cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK; cpld_data->vbank = bank; printf("Reset board to enable configuration.\n"); cpld_data->system_rst = CFG_RESET; } static int flash_bank_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { if (argc != 2) return CMD_RET_USAGE; if (strcmp(argv[1], "0") == 0) convert_flash_bank(BOOT_FROM_UPPER_BANK); else if (strcmp(argv[1], "1") == 0) convert_flash_bank(BOOT_FROM_LOWER_BANK); else return CMD_RET_USAGE; return 0; } U_BOOT_CMD( boot_bank, 2, 0, flash_bank_cmd, "Flash bank Selection Control", "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)" ); static int cpld_reset_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); if (argc > 2) return CMD_RET_USAGE; if ((argc == 1) || (strcmp(argv[1], "conf") == 0)) cpld_data->system_rst = CFG_RESET; else if (strcmp(argv[1], "init") == 0) cpld_data->global_rst = INIT_RESET; else return CMD_RET_USAGE; return 0; } U_BOOT_CMD( cpld_reset, 2, 0, cpld_reset_cmd, "Reset via CPLD", "conf\n" " -reset with current CPLD configuration\n" "init\n" " -reset and initial CPLD configuration with default value" ); static void print_serdes_mux(void) { char current_serdes; struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); current_serdes = cpld_data->serdes_mux; printf("Serdes Lane B: "); if ((current_serdes & MASK_LANE_B) == 0) printf("SATA,\n"); else printf("SGMII 1,\n"); printf("Serdes Lane C: "); if ((current_serdes & MASK_LANE_C) == 0) printf("SGMII 1,\n"); else printf("PCIe,\n"); printf("Serdes Lane D: "); if ((current_serdes & MASK_LANE_D) == 0) printf("PCIe,\n"); else printf("SGMII 2,\n"); printf("SGMII 1 is on lane "); if ((current_serdes & MASK_SGMII) == 0) printf("C.\n"); else printf("B.\n"); } static int serdes_mux_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { if (argc != 2) return CMD_RET_USAGE; if (strcmp(argv[1], "sata") == 0) { printf("Set serdes lane B to SATA.\n"); convert_serdes_mux(LANEB_SATA, NEED_RESET); } else if (strcmp(argv[1], "sgmii1b") == 0) { printf("Set serdes lane B to SGMII 1.\n"); convert_serdes_mux(LANEB_SGMII1, NEED_RESET); } else if (strcmp(argv[1], "sgmii1c") == 0) { printf("Set serdes lane C to SGMII 1.\n"); convert_serdes_mux(LANEC_SGMII1, NEED_RESET); } else if (strcmp(argv[1], "sgmii2") == 0) { printf("Set serdes lane D to SGMII 2.\n"); convert_serdes_mux(LANED_SGMII2, NEED_RESET); } else if (strcmp(argv[1], "pciex1") == 0) { printf("Set serdes lane C to PCIe X1.\n"); convert_serdes_mux(LANEC_PCIEX1, NEED_RESET); } else if (strcmp(argv[1], "pciex2") == 0) { printf("Set serdes lane C & lane D to PCIe X2.\n"); convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET); } else if (strcmp(argv[1], "show") == 0) { print_serdes_mux(); } else { return CMD_RET_USAGE; } return 0; } U_BOOT_CMD( lane_bank, 2, 0, serdes_mux_cmd, "Multiplexed function setting for SerDes Lanes", "sata\n" " -change lane B to sata\n" "lane_bank sgmii1b\n" " -change lane B to SGMII1\n" "lane_bank sgmii1c\n" " -change lane C to SGMII1\n" "lane_bank sgmii2\n" " -change lane D to SGMII2\n" "lane_bank pciex1\n" " -change lane C to PCIeX1\n" "lane_bank pciex2\n" " -change lane C & lane D to PCIeX2\n" "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n" ); #endif