1 /*
2  * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  *
6  * Microchip PIC32MZ[DA] Starter Kit.
7  */
8 
9 #ifndef __PIC32MZDASK_CONFIG_H
10 #define __PIC32MZDASK_CONFIG_H
11 
12 /* System Configuration */
13 
14 /*--------------------------------------------
15  * CPU configuration
16  */
17 /* CPU Timer rate */
18 #define CONFIG_SYS_MIPS_TIMER_FREQ	100000000
19 
20 /* Cache Configuration */
21 #define CONFIG_SYS_MIPS_CACHE_MODE	CONF_CM_CACHABLE_NONCOHERENT
22 
23 /*----------------------------------------------------------------------
24  * Memory Layout
25  */
26 #define CONFIG_SYS_SRAM_BASE		0x80000000
27 #define CONFIG_SYS_SRAM_SIZE		0x00080000 /* 512K */
28 
29 /* Initial RAM for temporary stack, global data */
30 #define CONFIG_SYS_INIT_RAM_SIZE	0x10000
31 #define CONFIG_SYS_INIT_RAM_ADDR	\
32 	(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
33 #define CONFIG_SYS_INIT_SP_ADDR		\
34 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
35 
36 /* SDRAM Configuration (for final code, data, stack, heap) */
37 #define CONFIG_SYS_SDRAM_BASE		0x88000000
38 #define CONFIG_SYS_MALLOC_LEN		(256 << 10)
39 #define CONFIG_SYS_BOOTPARAMS_LEN	(4 << 10)
40 
41 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE
42 #define CONFIG_SYS_MONITOR_LEN		(192 << 10)
43 
44 #define CONFIG_SYS_LOAD_ADDR		0x88500000 /* default load address */
45 #define CONFIG_SYS_ENV_ADDR		0x88300000
46 #define CONFIG_SYS_FDT_ADDR		0x89d00000
47 
48 /* Memory Test */
49 #define CONFIG_SYS_MEMTEST_START	0x88000000
50 #define CONFIG_SYS_MEMTEST_END		0x88080000
51 
52 /*----------------------------------------------------------------------
53  * Commands
54  */
55 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
56 
57 /*------------------------------------------------------------
58  * Console Configuration
59  */
60 #define CONFIG_SYS_CBSIZE		1024 /* Console I/O Buffer Size   */
61 #define CONFIG_SYS_MAXARGS		16   /* max number of command args*/
62 #define CONFIG_SYS_PBSIZE		\
63 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
64 #define CONFIG_CMDLINE_EDITING		1
65 
66 /*-----------------------------------------------------------------------
67  * Networking Configuration
68  */
69 #define CONFIG_MII
70 #define CONFIG_PHY_SMSC
71 #define CONFIG_SYS_RX_ETH_BUFFER	8
72 #define CONFIG_NET_RETRY_COUNT		20
73 #define CONFIG_ARP_TIMEOUT		500 /* millisec */
74 
75 /*
76  * BOOTP options
77  */
78 #define CONFIG_BOOTP_BOOTFILESIZE
79 #define CONFIG_BOOTP_BOOTPATH
80 #define CONFIG_BOOTP_GATEWAY
81 #define CONFIG_BOOTP_HOSTNAME
82 
83 /*--------------------------------------------------
84  * USB Configuration
85  */
86 #define CONFIG_USB_MUSB_PIO_ONLY
87 
88 /*-----------------------------------------------------------------------
89  * File System Configuration
90  */
91 /* FAT FS */
92 #define CONFIG_SUPPORT_VFAT
93 #define CONFIG_FS_FAT
94 #define CONFIG_FAT_WRITE
95 
96 /* EXT4 FS */
97 #define CONFIG_FS_EXT4
98 
99 /* -------------------------------------------------
100  * Environment
101  */
102 #define CONFIG_ENV_IS_NOWHERE	1
103 #define CONFIG_ENV_SIZE		0x4000
104 
105 /* ---------------------------------------------------------------------
106  * Board boot configuration
107  */
108 #define CONFIG_TIMESTAMP	/* Print image info with timestamp */
109 
110 #define MEM_LAYOUT_ENV_SETTINGS					\
111 	"kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0"	\
112 	"fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0"	\
113 	"scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
114 
115 #define CONFIG_LEGACY_BOOTCMD_ENV					\
116 	"legacy_bootcmd= "						\
117 		"if load mmc 0 ${scriptaddr} uEnv.txt; then "		\
118 			"env import -tr ${scriptaddr} ${filesize}; "	\
119 			"if test -n \"${bootcmd_uenv}\" ; then "	\
120 				"echo Running bootcmd_uenv ...; "	\
121 				"run bootcmd_uenv; "			\
122 			"fi; "						\
123 		"fi; \0"
124 
125 #define BOOT_TARGET_DEVICES(func)	\
126 	func(MMC, mmc, 0)		\
127 	func(USB, usb, 0)		\
128 	func(DHCP, dhcp, na)
129 
130 #include <config_distro_bootcmd.h>
131 
132 #define CONFIG_EXTRA_ENV_SETTINGS	\
133 	MEM_LAYOUT_ENV_SETTINGS		\
134 	CONFIG_LEGACY_BOOTCMD_ENV	\
135 	BOOTENV
136 
137 #undef CONFIG_BOOTCOMMAND
138 #define CONFIG_BOOTCOMMAND	"run distro_bootcmd || run legacy_bootcmd"
139 
140 #endif	/* __PIC32MZDASK_CONFIG_H */
141