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 /* 86 * BOOTP options 87 */ 88 #define CONFIG_BOOTP_BOOTFILESIZE 89 #define CONFIG_BOOTP_BOOTPATH 90 #define CONFIG_BOOTP_GATEWAY 91 #define CONFIG_BOOTP_HOSTNAME 92 93 /*----------------------------------------------------------------------- 94 * SDHC Configuration 95 */ 96 #define CONFIG_SDHCI 97 #define CONFIG_MMC 98 #define CONFIG_GENERIC_MMC 99 100 /*-------------------------------------------------- 101 * USB Configuration 102 */ 103 #define CONFIG_USB_MUSB_PIO_ONLY 104 #define CONFIG_SYS_CACHELINE_SIZE 16 105 106 /*----------------------------------------------------------------------- 107 * File System Configuration 108 */ 109 /* FAT FS */ 110 #define CONFIG_DOS_PARTITION 111 #define CONFIG_PARTITION_UUIDS 112 #define CONFIG_SUPPORT_VFAT 113 #define CONFIG_FS_FAT 114 #define CONFIG_FAT_WRITE 115 #define CONFIG_CMD_PART 116 117 /* EXT4 FS */ 118 #define CONFIG_FS_EXT4 119 120 /* ------------------------------------------------- 121 * Environment 122 */ 123 #define CONFIG_ENV_IS_NOWHERE 1 124 #define CONFIG_ENV_SIZE 0x4000 125 126 /* --------------------------------------------------------------------- 127 * Board boot configuration 128 */ 129 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 130 #define CONFIG_BOOTDELAY 5 131 132 #define MEM_LAYOUT_ENV_SETTINGS \ 133 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 134 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 135 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 136 137 #define CONFIG_LEGACY_BOOTCMD_ENV \ 138 "legacy_bootcmd= " \ 139 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 140 "env import -tr ${scriptaddr} ${filesize}; " \ 141 "if test -n \"${bootcmd_uenv}\" ; then " \ 142 "echo Running bootcmd_uenv ...; " \ 143 "run bootcmd_uenv; " \ 144 "fi; " \ 145 "fi; \0" 146 147 #define BOOT_TARGET_DEVICES(func) \ 148 func(MMC, mmc, 0) \ 149 func(USB, usb, 0) \ 150 func(DHCP, dhcp, na) 151 152 #include <config_distro_bootcmd.h> 153 154 #define CONFIG_EXTRA_ENV_SETTINGS \ 155 MEM_LAYOUT_ENV_SETTINGS \ 156 CONFIG_LEGACY_BOOTCMD_ENV \ 157 BOOTENV 158 159 #undef CONFIG_BOOTCOMMAND 160 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 161 162 #endif /* __PIC32MZDASK_CONFIG_H */ 163