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 #define CONFIG_SYS_SRAM_BASE 0x80000000 23 #define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */ 24 25 /* Initial RAM for temporary stack, global data */ 26 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 27 #define CONFIG_SYS_INIT_RAM_ADDR \ 28 (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE) 29 #define CONFIG_SYS_INIT_SP_ADDR \ 30 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1) 31 32 /* SDRAM Configuration (for final code, data, stack, heap) */ 33 #define CONFIG_SYS_SDRAM_BASE 0x88000000 34 #define CONFIG_SYS_MALLOC_LEN (256 << 10) 35 #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10) 36 37 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE 38 #define CONFIG_SYS_MONITOR_LEN (192 << 10) 39 40 #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ 41 #define CONFIG_SYS_ENV_ADDR 0x88300000 42 #define CONFIG_SYS_FDT_ADDR 0x89d00000 43 44 /* Memory Test */ 45 #define CONFIG_SYS_MEMTEST_START 0x88000000 46 #define CONFIG_SYS_MEMTEST_END 0x88080000 47 48 /*---------------------------------------------------------------------- 49 * Commands 50 */ 51 52 /*------------------------------------------------------------ 53 * Console Configuration 54 */ 55 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 56 57 /*----------------------------------------------------------------------- 58 * Networking Configuration 59 */ 60 #define CONFIG_PHY_SMSC 61 #define CONFIG_SYS_RX_ETH_BUFFER 8 62 #define CONFIG_NET_RETRY_COUNT 20 63 #define CONFIG_ARP_TIMEOUT 500 /* millisec */ 64 65 /* 66 * BOOTP options 67 */ 68 #define CONFIG_BOOTP_BOOTFILESIZE 69 70 /*-------------------------------------------------- 71 * USB Configuration 72 */ 73 74 /* ------------------------------------------------- 75 * Environment 76 */ 77 #define CONFIG_ENV_SIZE 0x4000 78 79 /* --------------------------------------------------------------------- 80 * Board boot configuration 81 */ 82 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 83 84 #define MEM_LAYOUT_ENV_SETTINGS \ 85 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 86 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 87 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 88 89 #define CONFIG_LEGACY_BOOTCMD_ENV \ 90 "legacy_bootcmd= " \ 91 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 92 "env import -tr ${scriptaddr} ${filesize}; " \ 93 "if test -n \"${bootcmd_uenv}\" ; then " \ 94 "echo Running bootcmd_uenv ...; " \ 95 "run bootcmd_uenv; " \ 96 "fi; " \ 97 "fi; \0" 98 99 #define BOOT_TARGET_DEVICES(func) \ 100 func(MMC, mmc, 0) \ 101 func(USB, usb, 0) \ 102 func(DHCP, dhcp, na) 103 104 #include <config_distro_bootcmd.h> 105 106 #define CONFIG_EXTRA_ENV_SETTINGS \ 107 MEM_LAYOUT_ENV_SETTINGS \ 108 CONFIG_LEGACY_BOOTCMD_ENV \ 109 BOOTENV 110 111 #undef CONFIG_BOOTCOMMAND 112 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 113 114 #endif /* __PIC32MZDASK_CONFIG_H */ 115