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 * Networking Configuration 78 */ 79 #define CONFIG_MII 80 #define CONFIG_PHY_SMSC 81 #define CONFIG_SYS_RX_ETH_BUFFER 8 82 #define CONFIG_NET_RETRY_COUNT 20 83 #define CONFIG_ARP_TIMEOUT 500 /* millisec */ 84 85 #define CONFIG_CMD_MII 86 87 /* 88 * BOOTP options 89 */ 90 #define CONFIG_BOOTP_BOOTFILESIZE 91 #define CONFIG_BOOTP_BOOTPATH 92 #define CONFIG_BOOTP_GATEWAY 93 #define CONFIG_BOOTP_HOSTNAME 94 95 /* 96 * Handover flattened device tree (dtb file) to Linux kernel 97 */ 98 #define CONFIG_OF_LIBFDT 1 99 100 /*----------------------------------------------------------------------- 101 * SDHC Configuration 102 */ 103 #define CONFIG_SDHCI 104 #define CONFIG_MMC 105 #define CONFIG_GENERIC_MMC 106 #define CONFIG_CMD_MMC 107 108 /*----------------------------------------------------------------------- 109 * File System Configuration 110 */ 111 /* FAT FS */ 112 #define CONFIG_DOS_PARTITION 113 #define CONFIG_PARTITION_UUIDS 114 #define CONFIG_SUPPORT_VFAT 115 #define CONFIG_FS_FAT 116 #define CONFIG_FAT_WRITE 117 #define CONFIG_CMD_FS_GENERIC 118 #define CONFIG_CMD_PART 119 #define CONFIG_CMD_FAT 120 121 /* EXT4 FS */ 122 #define CONFIG_FS_EXT4 123 #define CONFIG_CMD_EXT2 124 #define CONFIG_CMD_EXT4 125 #define CONFIG_CMD_EXT4_WRITE 126 127 /* ------------------------------------------------- 128 * Environment 129 */ 130 #define CONFIG_ENV_IS_NOWHERE 1 131 #define CONFIG_ENV_SIZE 0x4000 132 133 /* --------------------------------------------------------------------- 134 * Board boot configuration 135 */ 136 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 137 #define CONFIG_BOOTDELAY 5 138 139 #define MEM_LAYOUT_ENV_SETTINGS \ 140 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 141 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 142 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 143 144 #define CONFIG_LEGACY_BOOTCMD_ENV \ 145 "legacy_bootcmd= " \ 146 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 147 "env import -tr ${scriptaddr} ${filesize}; " \ 148 "if test -n \"${bootcmd_uenv}\" ; then " \ 149 "echo Running bootcmd_uenv ...; " \ 150 "run bootcmd_uenv; " \ 151 "fi; " \ 152 "fi; \0" 153 154 #define BOOT_TARGET_DEVICES(func) \ 155 func(MMC, mmc, 0) \ 156 func(DHCP, dhcp, na) 157 158 #include <config_distro_bootcmd.h> 159 160 #define CONFIG_EXTRA_ENV_SETTINGS \ 161 MEM_LAYOUT_ENV_SETTINGS \ 162 CONFIG_LEGACY_BOOTCMD_ENV \ 163 BOOTENV 164 165 #undef CONFIG_BOOTCOMMAND 166 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 167 168 #endif /* __PIC32MZDASK_CONFIG_H */ 169