1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2018 Dennis Gilmore <dgilmore@redhat.com> 4 */ 5 6 #ifndef _CONFIG_HELIOS4_H 7 #define _CONFIG_HELIOS4_H 8 9 #include <linux/stringify.h> 10 11 /* 12 * High Level Configuration Options (easy to change) 13 */ 14 15 /* 16 * TEXT_BASE needs to be below 16MiB, since this area is scrubbed 17 * for DDR ECC byte filling in the SPL before loading the main 18 * U-Boot into it. 19 */ 20 #define CONFIG_SYS_TCLK 250000000 /* 250MHz */ 21 22 /* USB/EHCI configuration */ 23 #define CONFIG_EHCI_IS_TDI 24 25 #define CONFIG_ENV_MIN_ENTRIES 128 26 27 /* Environment in MMC */ 28 /* 29 * For SD - reserve 1 LBA for MBR + 1M for u-boot image. The MMC/eMMC 30 * boot image starts @ LBA-0. 31 * As result in MMC/eMMC case it will be a 1 sector gap between u-boot 32 * image and environment 33 */ 34 35 #define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer aneg time */ 36 37 /* PCIe support */ 38 #ifndef CONFIG_SPL_BUILD 39 #define CONFIG_PCI_SCAN_SHOW 40 #endif 41 42 /* SATA support */ 43 #ifdef CONFIG_SCSI 44 #define CONFIG_SCSI_AHCI_PLAT 45 #define CONFIG_SYS_SCSI_MAX_SCSI_ID 1 46 #define CONFIG_SYS_SCSI_MAX_LUN 1 47 #define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \ 48 CONFIG_SYS_SCSI_MAX_LUN) 49 #endif 50 51 /* Keep device tree and initrd in lower memory so the kernel can access them */ 52 #define RELOCATION_LIMITS_ENV_SETTINGS \ 53 "fdt_high=0x10000000\0" \ 54 "initrd_high=0x10000000\0" 55 56 /* SPL */ 57 58 /* Defines for SPL */ 59 #define CONFIG_SPL_SIZE (140 << 10) 60 #define CONFIG_SPL_MAX_SIZE (CONFIG_SPL_SIZE - 0x0030) 61 62 #define CONFIG_SPL_BSS_START_ADDR (0x40000000 + CONFIG_SPL_SIZE) 63 #define CONFIG_SPL_BSS_MAX_SIZE (16 << 10) 64 65 #ifdef CONFIG_SPL_BUILD 66 #define CONFIG_SYS_MALLOC_SIMPLE 67 #endif 68 69 #define CONFIG_SPL_STACK (0x40000000 + ((192 - 16) << 10)) 70 #define CONFIG_SPL_BOOTROM_SAVE (CONFIG_SPL_STACK + 4) 71 72 #if defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_SPI) 73 /* SPL related SPI defines */ 74 #define CONFIG_SYS_U_BOOT_OFFS CONFIG_SYS_SPI_U_BOOT_OFFS 75 #elif defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_MMC) || defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_SATA) 76 /* SPL related MMC defines */ 77 #define CONFIG_SYS_MMC_U_BOOT_OFFS (160 << 10) 78 #define CONFIG_SYS_U_BOOT_OFFS CONFIG_SYS_MMC_U_BOOT_OFFS 79 #ifdef CONFIG_SPL_BUILD 80 #define CONFIG_FIXED_SDHCI_ALIGNED_BUFFER 0x00180000 /* in SDRAM */ 81 #endif 82 #endif 83 84 /* 85 * mv-common.h should be defined after CMD configs since it used them 86 * to enable certain macros 87 */ 88 #include "mv-common.h" 89 90 /* Include the common distro boot environment */ 91 #ifndef CONFIG_SPL_BUILD 92 93 #ifdef CONFIG_MMC 94 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0) 95 #else 96 #define BOOT_TARGET_DEVICES_MMC(func) 97 #endif 98 99 #ifdef CONFIG_USB_STORAGE 100 #define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0) 101 #else 102 #define BOOT_TARGET_DEVICES_USB(func) 103 #endif 104 105 #ifndef CONFIG_SCSI 106 #define BOOT_TARGET_DEVICES_SCSI_BUS0(func) 107 #define BOOT_TARGET_DEVICES_SCSI_BUS1(func) 108 #define BOOT_TARGET_DEVICES_SCSI_BUS2(func) 109 #else 110 /* 111 * With SCSI enabled, M.2 SATA is always located on bus 0 112 */ 113 #define BOOT_TARGET_DEVICES_SCSI_BUS0(func) func(SCSI, scsi, 0) 114 115 /* 116 * Either one or both mPCIe slots may be configured as mSATA interfaces. The 117 * SCSI bus ids are assigned based on sequence of hardware present, not always 118 * tied to hardware slot ids. As such, use second SCSI bus if either slot is 119 * set for SATA, and only use third SCSI bus if both slots are SATA enabled. 120 */ 121 #if defined (CONFIG_HELIOS4_CON2_SATA) || defined (CONFIG_HELIOS4_CON3_SATA) 122 #define BOOT_TARGET_DEVICES_SCSI_BUS1(func) func(SCSI, scsi, 1) 123 #else 124 #define BOOT_TARGET_DEVICES_SCSI_BUS1(func) 125 #endif 126 127 #if defined (CONFIG_HELIOS4_CON2_SATA) && defined (CONFIG_HELIOS4_CON3_SATA) 128 #define BOOT_TARGET_DEVICES_SCSI_BUS2(func) func(SCSI, scsi, 2) 129 #else 130 #define BOOT_TARGET_DEVICES_SCSI_BUS2(func) 131 #endif 132 133 #endif /* CONFIG_SCSI */ 134 135 /* 136 * The SCSI buses are attempted in increasing bus order, there is no current 137 * mechanism to alter the default bus priority order for booting. 138 */ 139 #define BOOT_TARGET_DEVICES(func) \ 140 BOOT_TARGET_DEVICES_MMC(func) \ 141 BOOT_TARGET_DEVICES_USB(func) \ 142 BOOT_TARGET_DEVICES_SCSI_BUS0(func) \ 143 BOOT_TARGET_DEVICES_SCSI_BUS1(func) \ 144 BOOT_TARGET_DEVICES_SCSI_BUS2(func) \ 145 func(PXE, pxe, na) \ 146 func(DHCP, dhcp, na) 147 148 #define KERNEL_ADDR_R __stringify(0x800000) 149 #define FDT_ADDR_R __stringify(0x100000) 150 #define RAMDISK_ADDR_R __stringify(0x1800000) 151 #define SCRIPT_ADDR_R __stringify(0x200000) 152 #define PXEFILE_ADDR_R __stringify(0x300000) 153 154 #define LOAD_ADDRESS_ENV_SETTINGS \ 155 "kernel_addr_r=" KERNEL_ADDR_R "\0" \ 156 "fdt_addr_r=" FDT_ADDR_R "\0" \ 157 "ramdisk_addr_r=" RAMDISK_ADDR_R "\0" \ 158 "scriptaddr=" SCRIPT_ADDR_R "\0" \ 159 "pxefile_addr_r=" PXEFILE_ADDR_R "\0" 160 161 #include <config_distro_bootcmd.h> 162 163 #define CONFIG_EXTRA_ENV_SETTINGS \ 164 RELOCATION_LIMITS_ENV_SETTINGS \ 165 LOAD_ADDRESS_ENV_SETTINGS \ 166 "fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \ 167 "console=ttyS0,115200\0" \ 168 BOOTENV 169 170 #endif /* CONFIG_SPL_BUILD */ 171 172 #endif /* _CONFIG_HELIOS4_H */ 173