1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (c) 2015 Purna Chandra Mandal <purna.mandal (at) 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 /* Cache Configuration */ 20 #define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT 21 22 /*---------------------------------------------------------------------- 23 * Memory Layout 24 */ 25 #define CONFIG_SYS_SRAM_BASE 0x80000000 26 #define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */ 27 28 /* Initial RAM for temporary stack, global data */ 29 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 30 #define CONFIG_SYS_INIT_RAM_ADDR \ 31 (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE) 32 #define CONFIG_SYS_INIT_SP_ADDR \ 33 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1) 34 35 /* SDRAM Configuration (for final code, data, stack, heap) */ 36 #define CONFIG_SYS_SDRAM_BASE 0x88000000 37 #define CONFIG_SYS_MALLOC_LEN (256 << 10) 38 #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10) 39 40 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE 41 #define CONFIG_SYS_MONITOR_LEN (192 << 10) 42 43 #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ 44 #define CONFIG_SYS_ENV_ADDR 0x88300000 45 #define CONFIG_SYS_FDT_ADDR 0x89d00000 46 47 /* Memory Test */ 48 #define CONFIG_SYS_MEMTEST_START 0x88000000 49 #define CONFIG_SYS_MEMTEST_END 0x88080000 50 51 /*---------------------------------------------------------------------- 52 * Commands 53 */ 54 55 /*------------------------------------------------------------ 56 * Console Configuration 57 */ 58 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 59 60 /*----------------------------------------------------------------------- 61 * Networking Configuration 62 */ 63 #define CONFIG_MII 64 #define CONFIG_PHY_SMSC 65 #define CONFIG_SYS_RX_ETH_BUFFER 8 66 #define CONFIG_NET_RETRY_COUNT 20 67 #define CONFIG_ARP_TIMEOUT 500 /* millisec */ 68 69 /* 70 * BOOTP options 71 */ 72 #define CONFIG_BOOTP_BOOTFILESIZE 73 74 /*-------------------------------------------------- 75 * USB Configuration 76 */ 77 78 /* ------------------------------------------------- 79 * Environment 80 */ 81 #define CONFIG_ENV_SIZE 0x4000 82 83 /* --------------------------------------------------------------------- 84 * Board boot configuration 85 */ 86 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 87 88 #define MEM_LAYOUT_ENV_SETTINGS \ 89 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ 90 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ 91 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" 92 93 #define CONFIG_LEGACY_BOOTCMD_ENV \ 94 "legacy_bootcmd= " \ 95 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ 96 "env import -tr ${scriptaddr} ${filesize}; " \ 97 "if test -n \"${bootcmd_uenv}\" ; then " \ 98 "echo Running bootcmd_uenv ...; " \ 99 "run bootcmd_uenv; " \ 100 "fi; " \ 101 "fi; \0" 102 103 #define BOOT_TARGET_DEVICES(func) \ 104 func(MMC, mmc, 0) \ 105 func(USB, usb, 0) \ 106 func(DHCP, dhcp, na) 107 108 #include <config_distro_bootcmd.h> 109 110 #define CONFIG_EXTRA_ENV_SETTINGS \ 111 MEM_LAYOUT_ENV_SETTINGS \ 112 CONFIG_LEGACY_BOOTCMD_ENV \ 113 BOOTENV 114 115 #undef CONFIG_BOOTCOMMAND 116 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" 117 118 #endif /* __PIC32MZDASK_CONFIG_H */ 119
