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