diff options
Diffstat (limited to 'roms/u-boot/board/keymile/kmcent2/kmcent2.c')
-rw-r--r-- | roms/u-boot/board/keymile/kmcent2/kmcent2.c | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/roms/u-boot/board/keymile/kmcent2/kmcent2.c b/roms/u-boot/board/keymile/kmcent2/kmcent2.c new file mode 100644 index 000000000..4f5164e63 --- /dev/null +++ b/roms/u-boot/board/keymile/kmcent2/kmcent2.c @@ -0,0 +1,353 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2016 Keymile AG + * Rainer Boschung <rainer.boschung@keymile.com> + * + * Copyright 2013 Freescale Semiconductor, Inc. + */ + +#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 %s\n", KM_BOARD_NAME); + + return 0; +} + +#define RSTRQSR1_WDT_RR 0x00200000 +#define RSTRQSR1_SW_RR 0x00100000 + +int board_early_init_f(void) +{ + struct fsl_ifc ifc = {(void *)CONFIG_SYS_IFC_ADDR, (void *)NULL}; + ccsr_gur_t *gur = (void *)(CONFIG_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 = CONFIG_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, CONFIG_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); +} + +unsigned long get_board_sys_clk(unsigned long dummy) +{ + return 66666666; +} + +int 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; +} + +#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 *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; + struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_MPC85xx_SCFG; + ccsr_gur_t __iomem *gur = (ccsr_gur_t __iomem *)CONFIG_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; +} + +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; +} + +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); +} |