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 41 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE 42 #define CONFIG_SYS_MONITOR_LEN (192 << 10) 43 44 #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ 45 #define CONFIG_SYS_ENV_ADDR 0x88300000 46 #define CONFIG_SYS_FDT_ADDR 0x89d00000 47 48 /* Memory Test */ 49 #define CONFIG_SYS_MEMTEST_START 0x88000000 50 #define CONFIG_SYS_MEMTEST_END 0x88080000 51 52 /*---------------------------------------------------------------------- 53 * Commands 54 */ 55 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 56 57 /*------------------------------------------------------------ 58 * Console Configuration 59 */ 60 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 61 #define CONFIG_CMDLINE_EDITING 1 62 63 /*----------------------------------------------------------------------- 64 * Networking Configuration 65 */ 66 #define CONFIG_MII 67 #define CONFIG_PHY_SMSC 68 #define CONFIG_SYS_RX_ETH_BUFFER 8 69 #define CONFIG_NET_RETRY_COUNT 20 70 #define CONFIG_ARP_TIMEOUT 500 /* millisec */ 71 72 /* 73 * BOOTP options 74 */ 75 #define CONFIG_BOOTP_BOOTFILESIZE 76 #define CONFIG_BOOTP_BOOTPATH 77 #define CONFIG_BOOTP_GATEWAY 78 #define CONFIG_BOOTP_HOSTNAME 79 80 /*-------------------------------------------------- 81 * USB Configuration 82 */ 83 #define CONFIG_USB_MUSB_PIO_ONLY 84 85 /*----------------------------------------------------------------------- 86 * File System Configuration 87 */ 88 /* FAT FS */ 89 #define CONFIG_SUPPORT_VFAT 90 91 /* EXT4 FS */ 92 #define CONFIG_FS_EXT4 93 94 /* ------------------------------------------------- 95 * Environment 96 */ 97 #define CONFIG_ENV_SIZE 0x4000 98 99 /* --------------------------------------------------------------------- 100 * Board boot configuration 101 */ 102 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 103 104 #define MEM_LAYOUT_ENV_SETTINGS \ 105 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 106 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 107 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 108 109 #define CONFIG_LEGACY_BOOTCMD_ENV \ 110 "legacy_bootcmd= " \ 111 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 112 "env import -tr ${scriptaddr} ${filesize}; " \ 113 "if test -n \"${bootcmd_uenv}\" ; then " \ 114 "echo Running bootcmd_uenv ...; " \ 115 "run bootcmd_uenv; " \ 116 "fi; " \ 117 "fi; \0" 118 119 #define BOOT_TARGET_DEVICES(func) \ 120 func(MMC, mmc, 0) \ 121 func(USB, usb, 0) \ 122 func(DHCP, dhcp, na) 123 124 #include <config_distro_bootcmd.h> 125 126 #define CONFIG_EXTRA_ENV_SETTINGS \ 127 MEM_LAYOUT_ENV_SETTINGS \ 128 CONFIG_LEGACY_BOOTCMD_ENV \ 129 BOOTENV 130 131 #undef CONFIG_BOOTCOMMAND 132 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 133 134 #endif /* __PIC32MZDASK_CONFIG_H */ 135