1 /* 2 * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 * 6 * Microchip PIC32MZ[DA] Starter Kit. 7 */ 8 9 #ifndef __PIC32MZDASK_CONFIG_H 10 #define __PIC32MZDASK_CONFIG_H 11 12 /* System Configuration */ 13 #define CONFIG_SYS_TEXT_BASE 0x9d004000 /* .text */ 14 #define CONFIG_DISPLAY_BOARDINFO 15 16 /*-------------------------------------------- 17 * CPU configuration 18 */ 19 /* CPU Timer rate */ 20 #define CONFIG_SYS_MIPS_TIMER_FREQ 100000000 21 22 /* Cache Configuration */ 23 #define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT 24 25 /*---------------------------------------------------------------------- 26 * Memory Layout 27 */ 28 #define CONFIG_SYS_SRAM_BASE 0x80000000 29 #define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */ 30 31 /* Initial RAM for temporary stack, global data */ 32 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 33 #define CONFIG_SYS_INIT_RAM_ADDR \ 34 (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE) 35 #define CONFIG_SYS_INIT_SP_ADDR \ 36 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1) 37 38 /* SDRAM Configuration (for final code, data, stack, heap) */ 39 #define CONFIG_SYS_SDRAM_BASE 0x88000000 40 #define CONFIG_SYS_MALLOC_LEN (256 << 10) 41 #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10) 42 #define CONFIG_STACKSIZE (4 << 10) /* regular stack */ 43 44 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE 45 #define CONFIG_SYS_MONITOR_LEN (192 << 10) 46 47 #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ 48 #define CONFIG_SYS_ENV_ADDR 0x88300000 49 #define CONFIG_SYS_FDT_ADDR 0x89d00000 50 51 /* Memory Test */ 52 #define CONFIG_SYS_MEMTEST_START 0x88000000 53 #define CONFIG_SYS_MEMTEST_END 0x88080000 54 55 /*---------------------------------------------------------------------- 56 * Commands 57 */ 58 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 59 #define CONFIG_CMD_CLK 60 61 /*------------------------------------------------- 62 * FLASH configuration 63 */ 64 #define CONFIG_SYS_NO_FLASH 65 66 /*------------------------------------------------------------ 67 * Console Configuration 68 */ 69 #define CONFIG_BAUDRATE 115200 70 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 71 #define CONFIG_SYS_MAXARGS 16 /* max number of command args*/ 72 #define CONFIG_SYS_PBSIZE \ 73 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 74 #define CONFIG_CMDLINE_EDITING 1 75 76 /* 77 * Handover flattened device tree (dtb file) to Linux kernel 78 */ 79 #define CONFIG_OF_LIBFDT 1 80 81 /*----------------------------------------------------------------------- 82 * SDHC Configuration 83 */ 84 #define CONFIG_SDHCI 85 #define CONFIG_MMC 86 #define CONFIG_GENERIC_MMC 87 #define CONFIG_CMD_MMC 88 89 /*----------------------------------------------------------------------- 90 * File System Configuration 91 */ 92 /* FAT FS */ 93 #define CONFIG_DOS_PARTITION 94 #define CONFIG_PARTITION_UUIDS 95 #define CONFIG_SUPPORT_VFAT 96 #define CONFIG_FS_FAT 97 #define CONFIG_FAT_WRITE 98 #define CONFIG_CMD_FS_GENERIC 99 #define CONFIG_CMD_PART 100 #define CONFIG_CMD_FAT 101 102 /* EXT4 FS */ 103 #define CONFIG_FS_EXT4 104 #define CONFIG_CMD_EXT2 105 #define CONFIG_CMD_EXT4 106 #define CONFIG_CMD_EXT4_WRITE 107 108 /* ------------------------------------------------- 109 * Environment 110 */ 111 #define CONFIG_ENV_IS_NOWHERE 1 112 #define CONFIG_ENV_SIZE 0x4000 113 114 /* --------------------------------------------------------------------- 115 * Board boot configuration 116 */ 117 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 118 #define CONFIG_BOOTDELAY 5 119 120 #define MEM_LAYOUT_ENV_SETTINGS \ 121 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 122 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 123 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 124 125 #define CONFIG_LEGACY_BOOTCMD_ENV \ 126 "legacy_bootcmd= " \ 127 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 128 "env import -tr ${scriptaddr} ${filesize}; " \ 129 "if test -n \"${bootcmd_uenv}\" ; then " \ 130 "echo Running bootcmd_uenv ...; " \ 131 "run bootcmd_uenv; " \ 132 "fi; " \ 133 "fi; \0" 134 135 #define BOOT_TARGET_DEVICES(func) \ 136 func(MMC, mmc, 0) 137 138 #include <config_distro_bootcmd.h> 139 140 #define CONFIG_EXTRA_ENV_SETTINGS \ 141 MEM_LAYOUT_ENV_SETTINGS \ 142 CONFIG_LEGACY_BOOTCMD_ENV \ 143 BOOTENV 144 145 #undef CONFIG_BOOTCOMMAND 146 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 147 148 #endif /* __PIC32MZDASK_CONFIG_H */ 149