1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com> 4 * 5 * Microchip PIC32MZ[DA] Starter Kit. 6 */ 7 8 #ifndef __PIC32MZDASK_CONFIG_H 9 #define __PIC32MZDASK_CONFIG_H 10 11 /* System Configuration */ 12 13 /*-------------------------------------------- 14 * CPU configuration 15 */ 16 /* CPU Timer rate */ 17 #define CONFIG_SYS_MIPS_TIMER_FREQ 100000000 18 19 /*---------------------------------------------------------------------- 20 * Memory Layout 21 */ 22 /* Initial RAM for temporary stack, global data */ 23 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 24 #define CONFIG_SYS_INIT_RAM_ADDR \ 25 (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE) 26 #define CONFIG_SYS_INIT_SP_ADDR \ 27 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1) 28 29 /* SDRAM Configuration (for final code, data, stack, heap) */ 30 #define CONFIG_SYS_SDRAM_BASE 0x88000000 31 #define CONFIG_SYS_MALLOC_LEN (256 << 10) 32 #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10) 33 34 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE 35 #define CONFIG_SYS_MONITOR_LEN (192 << 10) 36 37 #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ 38 #define CONFIG_SYS_ENV_ADDR 0x88300000 39 #define CONFIG_SYS_FDT_ADDR 0x89d00000 40 41 /* Memory Test */ 42 43 /*---------------------------------------------------------------------- 44 * Commands 45 */ 46 47 /*------------------------------------------------------------ 48 * Console Configuration 49 */ 50 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 51 52 /*----------------------------------------------------------------------- 53 * Networking Configuration 54 */ 55 #define CONFIG_SYS_RX_ETH_BUFFER 8 56 #define CONFIG_NET_RETRY_COUNT 20 57 #define CONFIG_ARP_TIMEOUT 500 /* millisec */ 58 59 /* 60 * BOOTP options 61 */ 62 #define CONFIG_BOOTP_BOOTFILESIZE 63 64 /*-------------------------------------------------- 65 * USB Configuration 66 */ 67 68 /* ------------------------------------------------- 69 * Environment 70 */ 71 72 /* --------------------------------------------------------------------- 73 * Board boot configuration 74 */ 75 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 76 77 #define MEM_LAYOUT_ENV_SETTINGS \ 78 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 79 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 80 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 81 82 #define CONFIG_LEGACY_BOOTCMD_ENV \ 83 "legacy_bootcmd= " \ 84 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 85 "env import -tr ${scriptaddr} ${filesize}; " \ 86 "if test -n \"${bootcmd_uenv}\" ; then " \ 87 "echo Running bootcmd_uenv ...; " \ 88 "run bootcmd_uenv; " \ 89 "fi; " \ 90 "fi; \0" 91 92 #define BOOT_TARGET_DEVICES(func) \ 93 func(MMC, mmc, 0) \ 94 func(USB, usb, 0) \ 95 func(DHCP, dhcp, na) 96 97 #include <config_distro_bootcmd.h> 98 99 #define CONFIG_EXTRA_ENV_SETTINGS \ 100 MEM_LAYOUT_ENV_SETTINGS \ 101 CONFIG_LEGACY_BOOTCMD_ENV \ 102 BOOTENV 103 104 #undef CONFIG_BOOTCOMMAND 105 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 106 107 #endif /* __PIC32MZDASK_CONFIG_H */ 108