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 46/*---------------------------------------------------------------------- 47 * Commands 48 */ 49 50/*------------------------------------------------------------ 51 * Console Configuration 52 */ 53#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 54 55/*----------------------------------------------------------------------- 56 * Networking Configuration 57 */ 58#define CONFIG_SYS_RX_ETH_BUFFER 8 59#define CONFIG_NET_RETRY_COUNT 20 60#define CONFIG_ARP_TIMEOUT 500 /* millisec */ 61 62/* 63 * BOOTP options 64 */ 65#define CONFIG_BOOTP_BOOTFILESIZE 66 67/*-------------------------------------------------- 68 * USB Configuration 69 */ 70 71/* ------------------------------------------------- 72 * Environment 73 */ 74 75/* --------------------------------------------------------------------- 76 * Board boot configuration 77 */ 78#define CONFIG_TIMESTAMP /* Print image info with timestamp */ 79 80#define MEM_LAYOUT_ENV_SETTINGS \ 81 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 82 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 83 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 84 85#define CONFIG_LEGACY_BOOTCMD_ENV \ 86 "legacy_bootcmd= " \ 87 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 88 "env import -tr ${scriptaddr} ${filesize}; " \ 89 "if test -n \"${bootcmd_uenv}\" ; then " \ 90 "echo Running bootcmd_uenv ...; " \ 91 "run bootcmd_uenv; " \ 92 "fi; " \ 93 "fi; \0" 94 95#define BOOT_TARGET_DEVICES(func) \ 96 func(MMC, mmc, 0) \ 97 func(USB, usb, 0) \ 98 func(DHCP, dhcp, na) 99 100#include <config_distro_bootcmd.h> 101 102#define CONFIG_EXTRA_ENV_SETTINGS \ 103 MEM_LAYOUT_ENV_SETTINGS \ 104 CONFIG_LEGACY_BOOTCMD_ENV \ 105 BOOTENV 106 107#undef CONFIG_BOOTCOMMAND 108#define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 109 110#endif /* __PIC32MZDASK_CONFIG_H */ 111