| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2016 Keymile AG |
| * Rainer Boschung <rainer.boschung@keymile.com> |
| * |
| * Copyright 2013 Freescale Semiconductor, Inc. |
| */ |
| |
| #include <event.h> |
| #include <asm/cache.h> |
| #include <asm/fsl_fdt.h> |
| #include <asm/fsl_law.h> |
| #include <asm/fsl_liodn.h> |
| #include <asm/fsl_portals.h> |
| #include <asm/fsl_serdes.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/mmu.h> |
| #include <asm/processor.h> |
| #include <fdt_support.h> |
| #include <fm_eth.h> |
| #include <hwconfig.h> |
| #include <image.h> |
| #include <linux/compiler.h> |
| #include <net.h> |
| #include <netdev.h> |
| #include <vsc9953.h> |
| |
| #include "../common/common.h" |
| #include "../common/qrio.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN]; |
| |
| int checkboard(void) |
| { |
| printf("Board: Hitachi Power Grids kmcent2\n"); |
| |
| return 0; |
| } |
| |
| #define RSTRQSR1_WDT_RR 0x00200000 |
| #define RSTRQSR1_SW_RR 0x00100000 |
| |
| int board_early_init_f(void) |
| { |
| struct fsl_ifc ifc = {(void *)CFG_SYS_IFC_ADDR, (void *)NULL}; |
| ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR); |
| bool cpuwd_flag = false; |
| |
| /* board specific IFC configuration: increased bus turnaround time */ |
| setbits_be32(&ifc.gregs->ifc_gcr, 8 << IFC_GCR_TBCTL_TRN_TIME_SHIFT); |
| |
| /* configure mode for uP reset request */ |
| qrio_uprstreq(UPREQ_CORE_RST); |
| |
| /* board only uses the DDR_MCK0, so disable the DDR_MCK1 */ |
| setbits_be32(&gur->ddrclkdr, 0x40000000); |
| |
| /* set reset reason according CPU register */ |
| if ((gur->rstrqsr1 & (RSTRQSR1_WDT_RR | RSTRQSR1_SW_RR)) == |
| RSTRQSR1_WDT_RR) |
| cpuwd_flag = true; |
| |
| qrio_cpuwd_flag(cpuwd_flag); |
| /* clear CPU bits by writing 1 */ |
| setbits_be32(&gur->rstrqsr1, RSTRQSR1_WDT_RR | RSTRQSR1_SW_RR); |
| |
| /* configure PRST lines for the application: */ |
| /* |
| * ETHSW_DDR_RST: |
| * reset at power-up and unit reset only and enable WD on it |
| */ |
| qrio_prstcfg(KM_ETHSW_DDR_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_ETHSW_DDR_RST, true); |
| /* |
| * XES_PHY_RST: |
| * reset at power-up and unit reset only and enable WD on it |
| */ |
| qrio_prstcfg(KM_XES_PHY_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_XES_PHY_RST, true); |
| /* |
| * ES_PHY_RST: |
| * reset at power-up and unit reset only and enable WD on it |
| */ |
| qrio_prstcfg(KM_ES_PHY_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_ES_PHY_RST, true); |
| /* |
| * EFE_RST: |
| * reset at power-up and unit reset only and enable WD on it |
| */ |
| qrio_prstcfg(KM_EFE_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_EFE_RST, true); |
| /* |
| * BFTIC4_RST: |
| * reset at power-up and unit reset only and enable WD on it |
| */ |
| qrio_prstcfg(KM_BFTIC4_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_BFTIC4_RST, true); |
| /* |
| * DPAXE_RST: |
| * reset at power-up and unit reset only and enable WD on it |
| */ |
| qrio_prstcfg(KM_DPAXE_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_DPAXE_RST, true); |
| /* |
| * PEXSW_RST: |
| * reset at power-up and unit reset only, deassert reset w/o WD |
| */ |
| qrio_prstcfg(KM_PEXSW_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_prst(KM_PEXSW_RST, false, false); |
| /* |
| * PEXSW_NT_RST: |
| * reset at power-up and unit reset only, deassert reset w/o WD |
| */ |
| qrio_prstcfg(KM_PEXSW_NT_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_prst(KM_PEXSW_NT_RST, false, false); |
| /* |
| * BOBCAT_RST: |
| * reset at power-up and unit reset only, deassert reset w/o WD |
| */ |
| qrio_prstcfg(KM_BOBCAT_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_prst(KM_BOBCAT_RST, false, false); |
| /* |
| * FEMT_RST: |
| * reset at power-up and unit reset only and enable WD |
| */ |
| qrio_prstcfg(KM_FEMT_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_FEMT_RST, true); |
| /* |
| * FOAM_RST: |
| * reset at power-up and unit reset only and enable WD |
| */ |
| qrio_prstcfg(KM_FOAM_RST, PRSTCFG_POWUP_UNIT_RST); |
| qrio_wdmask(KM_FOAM_RST, true); |
| |
| return 0; |
| } |
| |
| int board_early_init_r(void) |
| { |
| int ret = 0; |
| |
| const unsigned int flashbase = CFG_SYS_FLASH_BASE; |
| int flash_esel = find_tlb_idx((void *)flashbase, 1); |
| |
| /* |
| * Remap Boot flash region to caching-inhibited |
| * so that flash can be erased properly. |
| */ |
| |
| /* Flush d-cache and invalidate i-cache of any FLASH data */ |
| flush_dcache(); |
| invalidate_icache(); |
| |
| if (flash_esel == -1) { |
| /* very unlikely unless something is messed up */ |
| puts("Error: Could not find TLB for FLASH BASE\n"); |
| flash_esel = 2; /* give our best effort to continue */ |
| } else { |
| /* invalidate existing TLB entry for flash */ |
| disable_tlb(flash_esel); |
| } |
| |
| set_tlb(1, flashbase, CFG_SYS_FLASH_BASE_PHYS, |
| MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, |
| 0, flash_esel, BOOKE_PAGESZ_256M, 1); |
| |
| set_liodns(); |
| setup_qbman_portals(); |
| |
| qrio_set_leds(); |
| |
| /* enable Application Buffer */ |
| qrio_enable_app_buffer(); |
| |
| return ret; |
| } |
| |
| unsigned long get_serial_clock(unsigned long dummy) |
| { |
| return (gd->bus_clk / 2); |
| } |
| |
| static int kmcent2_misc_init_f(void) |
| { |
| /* configure QRIO pis for i2c deblocking */ |
| i2c_deblock_gpio_cfg(); |
| |
| /* |
| * CFE_RST (front phy): |
| * reset at power-up, unit and core reset, deasset reset w/o WD |
| */ |
| qrio_prstcfg(KM_CFE_RST, PRSTCFG_POWUP_UNIT_CORE_RST); |
| qrio_prst(KM_CFE_RST, false, false); |
| |
| /* |
| * ZL30158_RST (PTP clock generator): |
| * reset at power-up only, deassert reset and enable WD on it |
| */ |
| qrio_prstcfg(KM_ZL30158_RST, PRSTCFG_POWUP_RST); |
| qrio_prst(KM_ZL30158_RST, false, false); |
| |
| /* |
| * ZL30364_RST (EEC generator): |
| * reset at power-up only, deassert reset and enable WD on it |
| */ |
| qrio_prstcfg(KM_ZL30364_RST, PRSTCFG_POWUP_RST); |
| qrio_prst(KM_ZL30364_RST, false, false); |
| |
| return 0; |
| } |
| EVENT_SPY_SIMPLE(EVT_MISC_INIT_F, kmcent2_misc_init_f); |
| |
| #define USED_SRDS_BANK 0 |
| #define EXPECTED_SRDS_RFCK SRDS_PLLCR0_RFCK_SEL_100 |
| |
| #define BRG01_IOCLK12 0x02000000 |
| #define EC2_GTX_CLK125 0x08000000 |
| |
| int misc_init_r(void) |
| { |
| serdes_corenet_t *regs = (void *)CFG_SYS_FSL_CORENET_SERDES_ADDR; |
| struct ccsr_scfg *scfg = (struct ccsr_scfg *)CFG_SYS_MPC85xx_SCFG; |
| ccsr_gur_t __iomem *gur = (ccsr_gur_t __iomem *)CFG_SYS_MPC85xx_GUTS_ADDR; |
| |
| /* check SERDES bank 0 reference clock */ |
| u32 actual = in_be32(®s->bank[USED_SRDS_BANK].pllcr0); |
| |
| if (actual & SRDS_PLLCR0_POFF) |
| printf("Warning: SERDES bank %u pll is off\n", USED_SRDS_BANK); |
| if ((actual & SRDS_PLLCR0_RFCK_SEL_MASK) != EXPECTED_SRDS_RFCK) { |
| printf("Warning: SERDES bank %u expects %sMHz clock, is %sMHz\n", |
| USED_SRDS_BANK, |
| serdes_clock_to_string(EXPECTED_SRDS_RFCK), |
| serdes_clock_to_string(actual)); |
| } |
| |
| /* QE IO clk : BRG01 is used over clk12 for HDLC clk (20 MhZ) */ |
| out_be32(&scfg->qeioclkcr, |
| in_be32(&scfg->qeioclkcr) | BRG01_IOCLK12); |
| |
| ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN, |
| CONFIG_PIGGY_MAC_ADDRESS_OFFSET); |
| |
| /* Fix polarity of Card Detect and Write Protect */ |
| out_be32(&gur->sdhcpcr, 0xFFFFFFFF); |
| |
| /* |
| * EC1 is disabled in our design, so we must explicitly set GTXCLKSEL |
| * to EC2 |
| */ |
| out_be32(&scfg->emiiocr, in_be32(&scfg->emiiocr) | EC2_GTX_CLK125); |
| |
| return 0; |
| } |
| |
| int hush_init_var(void) |
| { |
| ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN); |
| return 0; |
| } |
| |
| static int last_stage_init(void) |
| { |
| const char *kmem; |
| /* DIP switch support on BFTIC */ |
| struct bfticu_iomap *bftic4 = |
| (struct bfticu_iomap *)SYS_BFTIC_BASE; |
| u8 dip_switch = in_8((u8 *)&bftic4->mswitch) & BFTICU_DIPSWITCH_MASK; |
| |
| if (dip_switch != 0) { |
| /* start bootloader */ |
| puts("DIP: Enabled\n"); |
| env_set("actual_bank", "0"); |
| } |
| |
| set_km_env(); |
| |
| /* |
| * bootm_size is used to fixup the FDT memory node |
| * set it to kernelmem that has the same value |
| */ |
| kmem = env_get("kernelmem"); |
| if (kmem) |
| env_set("bootm_size", kmem); |
| |
| return 0; |
| } |
| EVENT_SPY_SIMPLE(EVT_LAST_STAGE_INIT, last_stage_init); |
| |
| void fdt_fixup_fman_mac_addresses(void *blob) |
| { |
| int node, ret; |
| char path[24]; |
| unsigned char mac_addr[6]; |
| |
| /* |
| * Just the fm1-mac5 must be set by us, u-boot handle the 2 others, |
| * get the mac addr from env |
| */ |
| if (!eth_env_get_enetaddr_by_index("eth", 4, mac_addr)) { |
| printf("eth4addr env variable not defined\n"); |
| return; |
| } |
| |
| /* local management port */ |
| strcpy(path, "/soc/fman/ethernet@e8000"); |
| node = fdt_path_offset(blob, path); |
| if (node < 0) { |
| printf("no %s\n", path); |
| return; |
| } |
| |
| ret = fdt_setprop(blob, node, "local-mac-address", mac_addr, 6); |
| if (ret) { |
| printf("%s\n\terror setting local-mac-address property\n", |
| path); |
| } |
| } |
| |
| int ft_board_setup(void *blob, struct bd_info *bd) |
| { |
| phys_addr_t base; |
| phys_size_t size; |
| |
| ft_cpu_setup(blob, bd); |
| |
| base = env_get_bootm_low(); |
| size = env_get_bootm_size(); |
| |
| fdt_fixup_memory(blob, (u64)base, (u64)size); |
| |
| fdt_fixup_liodn(blob); |
| |
| fdt_fixup_fman_mac_addresses(blob); |
| |
| if (hwconfig("qe-tdm")) |
| fdt_del_diu(blob); |
| return 0; |
| } |
| |
| /* DIC26_SELFTEST GPIO used to start factory test sw */ |
| #define SELFTEST_PORT QRIO_GPIO_A |
| #define SELFTEST_PIN 0 |
| |
| int post_hotkeys_pressed(void) |
| { |
| qrio_gpio_direction_input(SELFTEST_PORT, SELFTEST_PIN); |
| return qrio_get_gpio(SELFTEST_PORT, SELFTEST_PIN); |
| } |