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