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 /* NAND support */ 16 17 /* if no target-specific extra environment settings were defined by the 18 target, define an empty one */ 19 #ifndef PCM052_EXTRA_ENV_SETTINGS 20 #define PCM052_EXTRA_ENV_SETTINGS 21 #endif 22 23 /* if no target-specific extra environment settings were defined by the 24 target, define an empty one */ 25 #ifndef PCM052_NET_INIT 26 #define PCM052_NET_INIT 27 #endif 28 29 /* boot command, including the target-defined one if any */ 30 31 /* Extra env settings (including the target-defined ones if any) */ 32 #define CFG_EXTRA_ENV_SETTINGS \ 33 PCM052_EXTRA_ENV_SETTINGS \ 34 "fdt_high=0xffffffff\0" \ 35 "initrd_high=0xffffffff\0" \ 36 "blimg_file=u-boot.vyb\0" \ 37 "blimg_addr=0x81000000\0" \ 38 "kernel_file=zImage\0" \ 39 "kernel_addr=0x82000000\0" \ 40 "fdt_file=zImage.dtb\0" \ 41 "fdt_addr=0x81000000\0" \ 42 "ram_file=uRamdisk\0" \ 43 "ram_addr=0x83000000\0" \ 44 "filesys=rootfs.ubifs\0" \ 45 "sys_addr=0x81000000\0" \ 46 "tftploc=/path/to/tftp/directory/\0" \ 47 "nfs_root=/path/to/nfs/root\0" \ 48 "tftptimeout=1000\0" \ 49 "tftptimeoutcountmax=1000000\0" \ 50 "bootargs_base=setenv bootargs rw " \ 51 " mem=" __stringify(CONFIG_PCM052_DDR_SIZE) "M " \ 52 "console=ttyLP1,115200n8\0" \ 53 "bootargs_sd=setenv bootargs ${bootargs} " \ 54 "root=/dev/mmcblk0p2 rootwait\0" \ 55 "bootargs_net=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp " \ 56 "nfsroot=${serverip}:${nfs_root},v3,tcp\0" \ 57 "bootargs_nand=setenv bootargs ${bootargs} " \ 58 "ubi.mtd=5 rootfstype=ubifs root=ubi0:rootfs\0" \ 59 "bootargs_ram=setenv bootargs ${bootargs} " \ 60 "root=/dev/ram rw initrd=${ram_addr}\0" \ 61 "bootargs_mtd=setenv bootargs ${bootargs} ${mtdparts}\0" \ 62 "bootcmd_sd=run bootargs_base bootargs_sd bootargs_mtd; " \ 63 "fatload mmc 0:1 ${kernel_addr} ${kernel_file}; " \ 64 "fatload mmc 0:1 ${fdt_addr} ${fdt_file}; " \ 65 "bootz ${kernel_addr} - ${fdt_addr}\0" \ 66 "bootcmd_net=run bootargs_base bootargs_net bootargs_mtd; " \ 67 "tftpboot ${kernel_addr} ${tftpdir}${kernel_file}; " \ 68 "tftpboot ${fdt_addr} ${tftpdir}${fdt_file}; " \ 69 "bootz ${kernel_addr} - ${fdt_addr}\0" \ 70 "bootcmd_nand=run bootargs_base bootargs_nand bootargs_mtd; " \ 71 "nand read ${fdt_addr} dtb; " \ 72 "nand read ${kernel_addr} kernel; " \ 73 "bootz ${kernel_addr} - ${fdt_addr}\0" \ 74 "bootcmd_ram=run bootargs_base bootargs_ram bootargs_mtd; " \ 75 "nand read ${fdt_addr} dtb; " \ 76 "nand read ${kernel_addr} kernel; " \ 77 "nand read ${ram_addr} root; " \ 78 "bootz ${kernel_addr} ${ram_addr} ${fdt_addr}\0" \ 79 "update_bootloader_from_tftp=" PCM052_NET_INIT \ 80 "if tftp ${blimg_addr} "\ 81 "${tftpdir}${blimg_file}; then " \ 82 "mtdparts default; " \ 83 "nand erase.part bootloader; " \ 84 "nand write ${blimg_addr} bootloader ${filesize}; fi\0" \ 85 "update_kernel_from_sd=if fatload mmc 0:2 ${kernel_addr} " \ 86 "${kernel_file}; " \ 87 "then mtdparts default; " \ 88 "nand erase.part kernel; " \ 89 "nand write ${kernel_addr} kernel ${filesize}; " \ 90 "if fatload mmc 0:2 ${fdt_addr} ${fdt_file}; then " \ 91 "nand erase.part dtb; " \ 92 "nand write ${fdt_addr} dtb ${filesize}; fi\0" \ 93 "update_kernel_from_tftp=" PCM052_NET_INIT \ 94 "if tftp ${fdt_addr} ${tftpdir}${fdt_file}; " \ 95 "then setenv fdtsize ${filesize}; " \ 96 "if tftp ${kernel_addr} ${tftpdir}${kernel_file}; then " \ 97 "mtdparts default; " \ 98 "nand erase.part dtb; " \ 99 "nand write ${fdt_addr} dtb ${fdtsize}; " \ 100 "nand erase.part kernel; " \ 101 "nand write ${kernel_addr} kernel ${filesize}; fi; fi\0" \ 102 "update_rootfs_from_tftp=" PCM052_NET_INIT \ 103 "if tftp ${sys_addr} ${tftpdir}${filesys}; " \ 104 "then mtdparts default; " \ 105 "nand erase.part root; " \ 106 "ubi part root; " \ 107 "ubi create rootfs; " \ 108 "ubi write ${sys_addr} rootfs ${filesize}; fi\0" \ 109 "update_ramdisk_from_tftp=" PCM052_NET_INIT \ 110 "if tftp ${ram_addr} ${tftpdir}${ram_file}; " \ 111 "then mtdparts default; " \ 112 "nand erase.part root; " \ 113 "nand write ${ram_addr} root ${filesize}; fi\0" 114 115 /* Miscellaneous configurable options */ 116 117 /* Physical memory map */ 118 #define PHYS_SDRAM (0x80000000) 119 #define PHYS_SDRAM_SIZE (CONFIG_PCM052_DDR_SIZE * SZ_1M) 120 121 #define CFG_SYS_SDRAM_BASE PHYS_SDRAM 122 #define CFG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR 123 #define CFG_SYS_INIT_RAM_SIZE IRAM_SIZE 124 125 /* environment organization */ 126 127 #endif 128