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 #define CONFIG_DISPLAY_BOARDINFO
14 
15 /*--------------------------------------------
16  * CPU configuration
17  */
18 /* CPU Timer rate */
19 #define CONFIG_SYS_MIPS_TIMER_FREQ	100000000
20 
21 /* Cache Configuration */
22 #define CONFIG_SYS_MIPS_CACHE_MODE	CONF_CM_CACHABLE_NONCOHERENT
23 
24 /*----------------------------------------------------------------------
25  * Memory Layout
26  */
27 #define CONFIG_SYS_SRAM_BASE		0x80000000
28 #define CONFIG_SYS_SRAM_SIZE		0x00080000 /* 512K */
29 
30 /* Initial RAM for temporary stack, global data */
31 #define CONFIG_SYS_INIT_RAM_SIZE	0x10000
32 #define CONFIG_SYS_INIT_RAM_ADDR	\
33 	(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
34 #define CONFIG_SYS_INIT_SP_ADDR		\
35 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
36 
37 /* SDRAM Configuration (for final code, data, stack, heap) */
38 #define CONFIG_SYS_SDRAM_BASE		0x88000000
39 #define CONFIG_SYS_MALLOC_LEN		(256 << 10)
40 #define CONFIG_SYS_BOOTPARAMS_LEN	(4 << 10)
41 #define CONFIG_STACKSIZE		(4 << 10) /* regular stack */
42 
43 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE
44 #define CONFIG_SYS_MONITOR_LEN		(192 << 10)
45 
46 #define CONFIG_SYS_LOAD_ADDR		0x88500000 /* default load address */
47 #define CONFIG_SYS_ENV_ADDR		0x88300000
48 #define CONFIG_SYS_FDT_ADDR		0x89d00000
49 
50 /* Memory Test */
51 #define CONFIG_SYS_MEMTEST_START	0x88000000
52 #define CONFIG_SYS_MEMTEST_END		0x88080000
53 
54 /*----------------------------------------------------------------------
55  * Commands
56  */
57 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
58 #define CONFIG_CMD_CLK
59 
60 /*-------------------------------------------------
61  * FLASH configuration
62  */
63 #define CONFIG_SYS_NO_FLASH
64 
65 /*------------------------------------------------------------
66  * Console Configuration
67  */
68 #define CONFIG_BAUDRATE			115200
69 #define CONFIG_SYS_CBSIZE		1024 /* Console I/O Buffer Size   */
70 #define CONFIG_SYS_MAXARGS		16   /* max number of command args*/
71 #define CONFIG_SYS_PBSIZE		\
72 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
73 #define CONFIG_CMDLINE_EDITING		1
74 
75 /*-----------------------------------------------------------------------
76  * Networking Configuration
77  */
78 #define CONFIG_MII
79 #define CONFIG_PHY_SMSC
80 #define CONFIG_SYS_RX_ETH_BUFFER	8
81 #define CONFIG_NET_RETRY_COUNT		20
82 #define CONFIG_ARP_TIMEOUT		500 /* millisec */
83 
84 /*
85  * BOOTP options
86  */
87 #define CONFIG_BOOTP_BOOTFILESIZE
88 #define CONFIG_BOOTP_BOOTPATH
89 #define CONFIG_BOOTP_GATEWAY
90 #define CONFIG_BOOTP_HOSTNAME
91 
92 /*-----------------------------------------------------------------------
93  * SDHC Configuration
94  */
95 #define CONFIG_SDHCI
96 #define CONFIG_MMC
97 #define CONFIG_GENERIC_MMC
98 
99 /*--------------------------------------------------
100  * USB Configuration
101  */
102 #define CONFIG_USB_MUSB_PIO_ONLY
103 #define CONFIG_SYS_CACHELINE_SIZE	16
104 
105 /*-----------------------------------------------------------------------
106  * File System Configuration
107  */
108 /* FAT FS */
109 #define CONFIG_DOS_PARTITION
110 #define CONFIG_PARTITION_UUIDS
111 #define CONFIG_SUPPORT_VFAT
112 #define CONFIG_FS_FAT
113 #define CONFIG_FAT_WRITE
114 #define CONFIG_CMD_PART
115 
116 /* EXT4 FS */
117 #define CONFIG_FS_EXT4
118 
119 /* -------------------------------------------------
120  * Environment
121  */
122 #define CONFIG_ENV_IS_NOWHERE	1
123 #define CONFIG_ENV_SIZE		0x4000
124 
125 /* ---------------------------------------------------------------------
126  * Board boot configuration
127  */
128 #define CONFIG_TIMESTAMP	/* Print image info with timestamp */
129 #define CONFIG_BOOTDELAY	5
130 
131 #define MEM_LAYOUT_ENV_SETTINGS					\
132 	"kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0"	\
133 	"fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0"	\
134 	"scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
135 
136 #define CONFIG_LEGACY_BOOTCMD_ENV					\
137 	"legacy_bootcmd= "						\
138 		"if load mmc 0 ${scriptaddr} uEnv.txt; then "		\
139 			"env import -tr ${scriptaddr} ${filesize}; "	\
140 			"if test -n \"${bootcmd_uenv}\" ; then "	\
141 				"echo Running bootcmd_uenv ...; "	\
142 				"run bootcmd_uenv; "			\
143 			"fi; "						\
144 		"fi; \0"
145 
146 #define BOOT_TARGET_DEVICES(func)	\
147 	func(MMC, mmc, 0)		\
148 	func(USB, usb, 0)		\
149 	func(DHCP, dhcp, na)
150 
151 #include <config_distro_bootcmd.h>
152 
153 #define CONFIG_EXTRA_ENV_SETTINGS	\
154 	MEM_LAYOUT_ENV_SETTINGS		\
155 	CONFIG_LEGACY_BOOTCMD_ENV	\
156 	BOOTENV
157 
158 #undef CONFIG_BOOTCOMMAND
159 #define CONFIG_BOOTCOMMAND	"run distro_bootcmd || run legacy_bootcmd"
160 
161 #endif	/* __PIC32MZDASK_CONFIG_H */
162