2 * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
4 * SPDX-License-Identifier: GPL-2.0+
6 * Microchip PIC32MZ[DA] Starter Kit.
9 #ifndef __PIC32MZDASK_CONFIG_H
10 #define __PIC32MZDASK_CONFIG_H
12 /* System Configuration */
13 #define CONFIG_SYS_TEXT_BASE 0x9d004000 /* .text */
14 #define CONFIG_DISPLAY_BOARDINFO
16 /*--------------------------------------------
20 #define CONFIG_SYS_MIPS_TIMER_FREQ 100000000
22 /* Cache Configuration */
23 #define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
25 /*----------------------------------------------------------------------
28 #define CONFIG_SYS_SRAM_BASE 0x80000000
29 #define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */
31 /* Initial RAM for temporary stack, global data */
32 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000
33 #define CONFIG_SYS_INIT_RAM_ADDR \
34 (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
35 #define CONFIG_SYS_INIT_SP_ADDR \
36 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
38 /* SDRAM Configuration (for final code, data, stack, heap) */
39 #define CONFIG_SYS_SDRAM_BASE 0x88000000
40 #define CONFIG_SYS_MALLOC_LEN (256 << 10)
41 #define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10)
42 #define CONFIG_STACKSIZE (4 << 10) /* regular stack */
44 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
45 #define CONFIG_SYS_MONITOR_LEN (192 << 10)
47 #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */
48 #define CONFIG_SYS_ENV_ADDR 0x88300000
49 #define CONFIG_SYS_FDT_ADDR 0x89d00000
52 #define CONFIG_SYS_MEMTEST_START 0x88000000
53 #define CONFIG_SYS_MEMTEST_END 0x88080000
55 /*----------------------------------------------------------------------
58 #define CONFIG_SYS_LONGHELP /* undef to save memory */
59 #define CONFIG_CMD_CLK
61 /*-------------------------------------------------
64 #define CONFIG_SYS_NO_FLASH
66 /*------------------------------------------------------------
67 * Console Configuration
69 #define CONFIG_BAUDRATE 115200
70 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
71 #define CONFIG_SYS_MAXARGS 16 /* max number of command args*/
72 #define CONFIG_SYS_PBSIZE \
73 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
74 #define CONFIG_CMDLINE_EDITING 1
76 /*-----------------------------------------------------------------------
77 * Networking Configuration
80 #define CONFIG_PHY_SMSC
81 #define CONFIG_SYS_RX_ETH_BUFFER 8
82 #define CONFIG_NET_RETRY_COUNT 20
83 #define CONFIG_ARP_TIMEOUT 500 /* millisec */
85 #define CONFIG_CMD_MII
90 #define CONFIG_BOOTP_BOOTFILESIZE
91 #define CONFIG_BOOTP_BOOTPATH
92 #define CONFIG_BOOTP_GATEWAY
93 #define CONFIG_BOOTP_HOSTNAME
96 * Handover flattened device tree (dtb file) to Linux kernel
98 #define CONFIG_OF_LIBFDT 1
100 /*-----------------------------------------------------------------------
105 #define CONFIG_GENERIC_MMC
106 #define CONFIG_CMD_MMC
108 /*-----------------------------------------------------------------------
109 * File System Configuration
112 #define CONFIG_DOS_PARTITION
113 #define CONFIG_PARTITION_UUIDS
114 #define CONFIG_SUPPORT_VFAT
115 #define CONFIG_FS_FAT
116 #define CONFIG_FAT_WRITE
117 #define CONFIG_CMD_FS_GENERIC
118 #define CONFIG_CMD_PART
119 #define CONFIG_CMD_FAT
122 #define CONFIG_FS_EXT4
123 #define CONFIG_CMD_EXT2
124 #define CONFIG_CMD_EXT4
125 #define CONFIG_CMD_EXT4_WRITE
127 /* -------------------------------------------------
130 #define CONFIG_ENV_IS_NOWHERE 1
131 #define CONFIG_ENV_SIZE 0x4000
133 /* ---------------------------------------------------------------------
134 * Board boot configuration
136 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
137 #define CONFIG_BOOTDELAY 5
139 #define MEM_LAYOUT_ENV_SETTINGS \
140 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \
141 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \
142 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
144 #define CONFIG_LEGACY_BOOTCMD_ENV \
146 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \
147 "env import -tr ${scriptaddr} ${filesize}; " \
148 "if test -n \"${bootcmd_uenv}\" ; then " \
149 "echo Running bootcmd_uenv ...; " \
150 "run bootcmd_uenv; " \
154 #define BOOT_TARGET_DEVICES(func) \
158 #include <config_distro_bootcmd.h>
160 #define CONFIG_EXTRA_ENV_SETTINGS \
161 MEM_LAYOUT_ENV_SETTINGS \
162 CONFIG_LEGACY_BOOTCMD_ENV \
165 #undef CONFIG_BOOTCOMMAND
166 #define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd"
168 #endif /* __PIC32MZDASK_CONFIG_H */