1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright 2013 Freescale Semiconductor, Inc. 4 * 5 * Configuration settings for the phytec PCM-052 SoM. 6 */ 7 8 #ifndef __CONFIG_H 9 #define __CONFIG_H 10 11 #include <asm/arch/imx-regs.h> 12 #include <linux/sizes.h> 13 #include <linux/stringify.h> 14 15 #define CONFIG_SKIP_LOWLEVEL_INIT 16 17 /* Enable passing of ATAGs */ 18 #define CONFIG_CMDLINE_TAG 19 20 /* Size of malloc() pool */ 21 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * SZ_1M) 22 23 /* NAND support */ 24 #define CONFIG_SYS_NAND_ONFI_DETECTION 25 26 #define CONFIG_SYS_MAX_NAND_DEVICE 1 27 28 #define CONFIG_LOADADDR 0x82000000 29 30 /* We boot from the gfxRAM area of the OCRAM. */ 31 #define CONFIG_BOARD_SIZE_LIMIT 520192 32 33 /* if no target-specific extra environment settings were defined by the 34 target, define an empty one */ 35 #ifndef PCM052_EXTRA_ENV_SETTINGS 36 #define PCM052_EXTRA_ENV_SETTINGS 37 #endif 38 39 /* if no target-specific boot command was defined by the target, 40 define an empty one */ 41 #ifndef PCM052_BOOTCOMMAND 42 #define PCM052_BOOTCOMMAND 43 #endif 44 45 /* if no target-specific extra environment settings were defined by the 46 target, define an empty one */ 47 #ifndef PCM052_NET_INIT 48 #define PCM052_NET_INIT 49 #endif 50 51 /* boot command, including the target-defined one if any */ 52 #define CONFIG_BOOTCOMMAND PCM052_BOOTCOMMAND "run bootcmd_nand" 53 54 /* Extra env settings (including the target-defined ones if any) */ 55 #define CONFIG_EXTRA_ENV_SETTINGS \ 56 PCM052_EXTRA_ENV_SETTINGS \ 57 "autoload=no\0" \ 58 "fdt_high=0xffffffff\0" \ 59 "initrd_high=0xffffffff\0" \ 60 "blimg_file=u-boot.vyb\0" \ 61 "blimg_addr=0x81000000\0" \ 62 "kernel_file=zImage\0" \ 63 "kernel_addr=0x82000000\0" \ 64 "fdt_file=zImage.dtb\0" \ 65 "fdt_addr=0x81000000\0" \ 66 "ram_file=uRamdisk\0" \ 67 "ram_addr=0x83000000\0" \ 68 "filesys=rootfs.ubifs\0" \ 69 "sys_addr=0x81000000\0" \ 70 "tftploc=/path/to/tftp/directory/\0" \ 71 "nfs_root=/path/to/nfs/root\0" \ 72 "tftptimeout=1000\0" \ 73 "tftptimeoutcountmax=1000000\0" \ 74 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 75 "bootargs_base=setenv bootargs rw " \ 76 " mem=" __stringify(CONFIG_PCM052_DDR_SIZE) "M " \ 77 "console=ttyLP1,115200n8\0" \ 78 "bootargs_sd=setenv bootargs ${bootargs} " \ 79 "root=/dev/mmcblk0p2 rootwait\0" \ 80 "bootargs_net=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp " \ 81 "nfsroot=${serverip}:${nfs_root},v3,tcp\0" \ 82 "bootargs_nand=setenv bootargs ${bootargs} " \ 83 "ubi.mtd=5 rootfstype=ubifs root=ubi0:rootfs\0" \ 84 "bootargs_ram=setenv bootargs ${bootargs} " \ 85 "root=/dev/ram rw initrd=${ram_addr}\0" \ 86 "bootargs_mtd=setenv bootargs ${bootargs} ${mtdparts}\0" \ 87 "bootcmd_sd=run bootargs_base bootargs_sd bootargs_mtd; " \ 88 "fatload mmc 0:1 ${kernel_addr} ${kernel_file}; " \ 89 "fatload mmc 0:1 ${fdt_addr} ${fdt_file}; " \ 90 "bootz ${kernel_addr} - ${fdt_addr}\0" \ 91 "bootcmd_net=run bootargs_base bootargs_net bootargs_mtd; " \ 92 "tftpboot ${kernel_addr} ${tftpdir}${kernel_file}; " \ 93 "tftpboot ${fdt_addr} ${tftpdir}${fdt_file}; " \ 94 "bootz ${kernel_addr} - ${fdt_addr}\0" \ 95 "bootcmd_nand=run bootargs_base bootargs_nand bootargs_mtd; " \ 96 "nand read ${fdt_addr} dtb; " \ 97 "nand read ${kernel_addr} kernel; " \ 98 "bootz ${kernel_addr} - ${fdt_addr}\0" \ 99 "bootcmd_ram=run bootargs_base bootargs_ram bootargs_mtd; " \ 100 "nand read ${fdt_addr} dtb; " \ 101 "nand read ${kernel_addr} kernel; " \ 102 "nand read ${ram_addr} root; " \ 103 "bootz ${kernel_addr} ${ram_addr} ${fdt_addr}\0" \ 104 "update_bootloader_from_tftp=" PCM052_NET_INIT \ 105 "if tftp ${blimg_addr} "\ 106 "${tftpdir}${blimg_file}; then " \ 107 "mtdparts default; " \ 108 "nand erase.part bootloader; " \ 109 "nand write ${blimg_addr} bootloader ${filesize}; fi\0" \ 110 "update_kernel_from_sd=if fatload mmc 0:2 ${kernel_addr} " \ 111 "${kernel_file}; " \ 112 "then mtdparts default; " \ 113 "nand erase.part kernel; " \ 114 "nand write ${kernel_addr} kernel ${filesize}; " \ 115 "if fatload mmc 0:2 ${fdt_addr} ${fdt_file}; then " \ 116 "nand erase.part dtb; " \ 117 "nand write ${fdt_addr} dtb ${filesize}; fi\0" \ 118 "update_kernel_from_tftp=" PCM052_NET_INIT \ 119 "if tftp ${fdt_addr} ${tftpdir}${fdt_file}; " \ 120 "then setenv fdtsize ${filesize}; " \ 121 "if tftp ${kernel_addr} ${tftpdir}${kernel_file}; then " \ 122 "mtdparts default; " \ 123 "nand erase.part dtb; " \ 124 "nand write ${fdt_addr} dtb ${fdtsize}; " \ 125 "nand erase.part kernel; " \ 126 "nand write ${kernel_addr} kernel ${filesize}; fi; fi\0" \ 127 "update_rootfs_from_tftp=" PCM052_NET_INIT \ 128 "if tftp ${sys_addr} ${tftpdir}${filesys}; " \ 129 "then mtdparts default; " \ 130 "nand erase.part root; " \ 131 "ubi part root; " \ 132 "ubi create rootfs; " \ 133 "ubi write ${sys_addr} rootfs ${filesize}; fi\0" \ 134 "update_ramdisk_from_tftp=" PCM052_NET_INIT \ 135 "if tftp ${ram_addr} ${tftpdir}${ram_file}; " \ 136 "then mtdparts default; " \ 137 "nand erase.part root; " \ 138 "nand write ${ram_addr} root ${filesize}; fi\0" 139 140 /* Miscellaneous configurable options */ 141 142 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 143 144 /* Physical memory map */ 145 #define PHYS_SDRAM (0x80000000) 146 #define PHYS_SDRAM_SIZE (CONFIG_PCM052_DDR_SIZE * SZ_1M) 147 148 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM 149 #define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR 150 #define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE 151 152 #define CONFIG_SYS_INIT_SP_OFFSET \ 153 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 154 #define CONFIG_SYS_INIT_SP_ADDR \ 155 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 156 157 /* environment organization */ 158 159 #endif 160