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_DISPLAY_BOARDINFO 14 15 /*-------------------------------------------- 16 * CPU configuration 17 */ 18 /* CPU Timer rate */ 19 #define CONFIG_SYS_MIPS_TIMER_FREQ 100000000 20 21 /* Cache Configuration */ 22 #define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT 23 24 /*---------------------------------------------------------------------- 25 * Memory Layout 26 */ 27 #define CONFIG_SYS_SRAM_BASE 0x80000000 28 #define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */ 29 30 /* Initial RAM for temporary stack, global data */ 31 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 32 #define CONFIG_SYS_INIT_RAM_ADDR \ 33 (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE) 34 #define CONFIG_SYS_INIT_SP_ADDR \ 35 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1) 36 37 /* SDRAM Configuration (for final code, data, stack, heap) */ 38 #define CONFIG_SYS_SDRAM_BASE 0x88000000 39 #define CONFIG_SYS_MALLOC_LEN (256 << 10) 40 #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10) 41 #define CONFIG_STACKSIZE (4 << 10) /* regular stack */ 42 43 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE 44 #define CONFIG_SYS_MONITOR_LEN (192 << 10) 45 46 #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ 47 #define CONFIG_SYS_ENV_ADDR 0x88300000 48 #define CONFIG_SYS_FDT_ADDR 0x89d00000 49 50 /* Memory Test */ 51 #define CONFIG_SYS_MEMTEST_START 0x88000000 52 #define CONFIG_SYS_MEMTEST_END 0x88080000 53 54 /*---------------------------------------------------------------------- 55 * Commands 56 */ 57 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 58 #define CONFIG_CMD_CLK 59 60 /*------------------------------------------------- 61 * FLASH configuration 62 */ 63 #define CONFIG_SYS_NO_FLASH 64 65 /*------------------------------------------------------------ 66 * Console Configuration 67 */ 68 #define CONFIG_BAUDRATE 115200 69 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 70 #define CONFIG_SYS_MAXARGS 16 /* max number of command args*/ 71 #define CONFIG_SYS_PBSIZE \ 72 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 73 #define CONFIG_CMDLINE_EDITING 1 74 75 /*----------------------------------------------------------------------- 76 * Networking Configuration 77 */ 78 #define CONFIG_MII 79 #define CONFIG_PHY_SMSC 80 #define CONFIG_SYS_RX_ETH_BUFFER 8 81 #define CONFIG_NET_RETRY_COUNT 20 82 #define CONFIG_ARP_TIMEOUT 500 /* millisec */ 83 84 /* 85 * BOOTP options 86 */ 87 #define CONFIG_BOOTP_BOOTFILESIZE 88 #define CONFIG_BOOTP_BOOTPATH 89 #define CONFIG_BOOTP_GATEWAY 90 #define CONFIG_BOOTP_HOSTNAME 91 92 /*----------------------------------------------------------------------- 93 * SDHC Configuration 94 */ 95 #define CONFIG_SDHCI 96 #define CONFIG_MMC 97 #define CONFIG_GENERIC_MMC 98 99 /*-------------------------------------------------- 100 * USB Configuration 101 */ 102 #define CONFIG_USB_MUSB_PIO_ONLY 103 104 /*----------------------------------------------------------------------- 105 * File System Configuration 106 */ 107 /* FAT FS */ 108 #define CONFIG_DOS_PARTITION 109 #define CONFIG_PARTITION_UUIDS 110 #define CONFIG_SUPPORT_VFAT 111 #define CONFIG_FS_FAT 112 #define CONFIG_FAT_WRITE 113 #define CONFIG_CMD_PART 114 115 /* EXT4 FS */ 116 #define CONFIG_FS_EXT4 117 118 /* ------------------------------------------------- 119 * Environment 120 */ 121 #define CONFIG_ENV_IS_NOWHERE 1 122 #define CONFIG_ENV_SIZE 0x4000 123 124 /* --------------------------------------------------------------------- 125 * Board boot configuration 126 */ 127 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 128 129 #define MEM_LAYOUT_ENV_SETTINGS \ 130 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 131 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 132 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 133 134 #define CONFIG_LEGACY_BOOTCMD_ENV \ 135 "legacy_bootcmd= " \ 136 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 137 "env import -tr ${scriptaddr} ${filesize}; " \ 138 "if test -n \"${bootcmd_uenv}\" ; then " \ 139 "echo Running bootcmd_uenv ...; " \ 140 "run bootcmd_uenv; " \ 141 "fi; " \ 142 "fi; \0" 143 144 #define BOOT_TARGET_DEVICES(func) \ 145 func(MMC, mmc, 0) \ 146 func(USB, usb, 0) \ 147 func(DHCP, dhcp, na) 148 149 #include <config_distro_bootcmd.h> 150 151 #define CONFIG_EXTRA_ENV_SETTINGS \ 152 MEM_LAYOUT_ENV_SETTINGS \ 153 CONFIG_LEGACY_BOOTCMD_ENV \ 154 BOOTENV 155 156 #undef CONFIG_BOOTCOMMAND 157 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 158 159 #endif /* __PIC32MZDASK_CONFIG_H */ 160