summaryrefslogtreecommitdiff
path: root/include/configs/xtfpga.h
blob: 7d7d9bb98313412c9cb4f2b8ebf8c47723f466c9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/*
 * Copyright (C) 2007-2013 Tensilica, Inc.
 * Copyright (C) 2014 - 2016 Cadence Design Systems Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_H
#define __CONFIG_H

#include <asm/arch/core.h>
#include <asm/addrspace.h>
#include <asm/config.h>

/*
 * The 'xtfpga' board describes a set of very similar boards with only minimal
 * differences.
 */

/*=====================*/
/* Board and Processor */
/*=====================*/

#define CONFIG_XTFPGA

/* FPGA CPU freq after init */
#define CONFIG_SYS_CLK_FREQ		(gd->cpu_clk)

/*===================*/
/* RAM Layout        */
/*===================*/

#if XCHAL_HAVE_PTP_MMU
#define CONFIG_SYS_MEMORY_BASE		\
	(XCHAL_VECBASE_RESET_VADDR - XCHAL_VECBASE_RESET_PADDR)
#define CONFIG_SYS_IO_BASE		0xf0000000
#else
#define CONFIG_SYS_MEMORY_BASE		0x60000000
#define CONFIG_SYS_IO_BASE		0x90000000
#define CONFIG_MAX_MEM_MAPPED		0x10000000
#endif

/* Onboard RAM sizes:
 *
 * LX60		0x04000000		  64 MB
 * LX110	0x03000000		  48 MB
 * LX200	0x06000000		  96 MB
 * ML605	0x18000000		 384 MB
 * KC705	0x38000000		 896 MB
 *
 * noMMU configurations can only see first 256MB of onboard memory.
 */

#if XCHAL_HAVE_PTP_MMU || CONFIG_BOARD_SDRAM_SIZE < 0x10000000
#define CONFIG_SYS_SDRAM_SIZE		CONFIG_BOARD_SDRAM_SIZE
#else
#define CONFIG_SYS_SDRAM_SIZE		0x10000000
#endif

#define CONFIG_SYS_SDRAM_BASE		MEMADDR(0x00000000)

/* Lx60 can only map 128kb memory (instead of 256kb) when running under OCD */
#ifdef CONFIG_XTFPGA_LX60
# define CONFIG_SYS_MONITOR_LEN		0x00020000	/* 128KB */
#else
# define CONFIG_SYS_MONITOR_LEN		0x00040000	/* 256KB */
#endif

#define CONFIG_SYS_MALLOC_LEN		(256 << 10)	/* heap  256KB */

/* Linux boot param area in RAM (used only when booting linux) */
#define CONFIG_SYS_BOOTPARAMS_LEN	(64  << 10)

/* Memory test is destructive so default must not overlap vectors or U-Boot*/
#define CONFIG_SYS_MEMTEST_START	MEMADDR(0x01000000)
#define CONFIG_SYS_MEMTEST_END		MEMADDR(0x02000000)

/* Load address for stand-alone applications.
 * MEMADDR cannot be used here, because the definition needs to be
 * a plain number as it's used as -Ttext argument for ld in standalone
 * example makefile.
 * Handle noMMU vs MMUv2 vs MMUv3 distinction here manually.
 */
#if XCHAL_HAVE_PTP_MMU
#if XCHAL_VECBASE_RESET_VADDR == XCHAL_VECBASE_RESET_PADDR
#define CONFIG_STANDALONE_LOAD_ADDR	0x00800000
#else
#define CONFIG_STANDALONE_LOAD_ADDR	0xd0800000
#endif
#else
#define CONFIG_STANDALONE_LOAD_ADDR	0x60800000
#endif

#if defined(CONFIG_MAX_MEM_MAPPED) && \
	CONFIG_MAX_MEM_MAPPED < CONFIG_SYS_SDRAM_SIZE
#define CONFIG_SYS_MEMORY_SIZE		CONFIG_MAX_MEM_MAPPED
#else
#define CONFIG_SYS_MEMORY_SIZE		CONFIG_SYS_SDRAM_SIZE
#endif

#define CONFIG_SYS_MEMORY_TOP		MEMADDR(CONFIG_SYS_MEMORY_SIZE)
#define CONFIG_SYS_TEXT_ADDR		\
	(CONFIG_SYS_MEMORY_TOP - CONFIG_SYS_MONITOR_LEN)

/* Used by tftpboot; env var 'loadaddr' */
#define CONFIG_SYS_LOAD_ADDR		MEMADDR(0x02000000)

/*==============================*/
/* U-Boot general configuration */
/*==============================*/

#define CONFIG_BOARD_POSTCLK_INIT
#define CONFIG_MISC_INIT_R

#define CONFIG_BOOTFILE			"uImage"
	/* Console I/O Buffer Size  */
#define CONFIG_SYS_CBSIZE		1024
	/* Prt buf */
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
					 sizeof(CONFIG_SYS_PROMPT) + 16)
	/* max number of command args */
#define CONFIG_SYS_MAXARGS		16
	/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE

/*=================*/
/* U-Boot commands */
/*=================*/

#define CONFIG_CMD_SAVES

/*==============================*/
/* U-Boot autoboot configuration */
/*==============================*/

#define CONFIG_BOOT_RETRY_TIME		60	/* retry after 60 secs */

#define CONFIG_AUTO_COMPLETE			/* Support tab autocompletion */
#define CONFIG_CMDLINE_EDITING
#define CONFIG_SYS_LONGHELP
#define CONFIG_MX_CYCLIC
#define CONFIG_SHOW_BOOT_PROGRESS

#ifdef DEBUG
#define CONFIG_PANIC_HANG		1	/* Require manual reboot */
#endif


/*=========================================*/
/* FPGA Registers (board info and control) */
/*=========================================*/

/*
 * These assume FPGA bitstreams from Tensilica release RB and up. Earlier
 * releases may not provide any/all of these registers or at these offsets.
 * Some of the FPGA registers are broken down into bitfields described by
 * SHIFT left amount and field WIDTH (bits), and also by a bitMASK.
 */

/* Date of FPGA bitstream build in binary coded decimal (BCD) */
#define CONFIG_SYS_FPGAREG_DATE		IOADDR(0x0D020000)
#define FPGAREG_MTH_SHIFT		24		/* BCD month 1..12 */
#define FPGAREG_MTH_WIDTH		8
#define FPGAREG_MTH_MASK		0xFF000000
#define FPGAREG_DAY_SHIFT		16		/* BCD day 1..31 */
#define FPGAREG_DAY_WIDTH		8
#define FPGAREG_DAY_MASK		0x00FF0000
#define FPGAREG_YEAR_SHIFT		0		/* BCD year 2001..9999*/
#define FPGAREG_YEAR_WIDTH		16
#define FPGAREG_YEAR_MASK		0x0000FFFF

/* FPGA core clock frequency in Hz (also input to UART) */
#define CONFIG_SYS_FPGAREG_FREQ	IOADDR(0x0D020004)	/* CPU clock frequency*/

/*
 * DIP switch (left=sw1=lsb=bit0, right=sw8=msb=bit7; off=0, on=1):
 *   Bits 0..5 set the lower 6 bits of the default ethernet MAC.
 *   Bit 6 is reserved for future use by Tensilica.
 *   Bit 7 maps the first 128KB of ROM address space at CONFIG_SYS_ROM_BASE to
 *   the base of flash * (when on/1) or to the base of RAM (when off/0).
 */
#define CONFIG_SYS_FPGAREG_DIPSW	IOADDR(0x0D02000C)
#define FPGAREG_MAC_SHIFT		0	/* Ethernet MAC bits 0..5 */
#define FPGAREG_MAC_WIDTH		6
#define FPGAREG_MAC_MASK		0x3f
#define FPGAREG_BOOT_SHIFT		7	/* Boot ROM addr mapping */
#define FPGAREG_BOOT_WIDTH		1
#define FPGAREG_BOOT_MASK		0x80
#define FPGAREG_BOOT_RAM		0
#define FPGAREG_BOOT_FLASH		(1<<FPGAREG_BOOT_SHIFT)

/* Force hard reset of board by writing a code to this register */
#define CONFIG_SYS_FPGAREG_RESET	IOADDR(0x0D020010) /* Reset board .. */
#define CONFIG_SYS_FPGAREG_RESET_CODE	0x0000DEAD   /*  by writing this code */

/*====================*/
/* Serial Driver Info */
/*====================*/

#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
#define CONFIG_SYS_NS16550_COM1		IOADDR(0x0D050020) /* Base address */

/* Input clk to NS16550 (in Hz; the SYS_CLK_FREQ is in kHz) */
#define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_CLK_FREQ
#define CONFIG_CONS_INDEX		1	/* use UART0 for console */
#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

/*======================*/
/* Ethernet Driver Info */
/*======================*/

#define CONFIG_ETHBASE			00:50:C2:13:6f:00
#define CONFIG_SYS_ETHOC_BASE		IOADDR(0x0d030000)
#define CONFIG_SYS_ETHOC_BUFFER_ADDR	IOADDR(0x0D800000)

/*=====================*/
/* Flash & Environment */
/*=====================*/

#define CONFIG_SYS_FLASH_CFI
#define CONFIG_FLASH_CFI_DRIVER			/* use generic CFI driver */
#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
#define CONFIG_SYS_MAX_FLASH_BANKS	1
#ifdef CONFIG_XTFPGA_LX60
# define CONFIG_SYS_FLASH_SIZE		0x0040000	/* 4MB */
# define CONFIG_SYS_FLASH_SECT_SZ	0x10000		/* block size 64KB */
# define CONFIG_SYS_FLASH_PARMSECT_SZ	0x2000		/* param size  8KB */
# define CONFIG_SYS_FLASH_BASE		IOADDR(0x08000000)
# define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
#elif defined(CONFIG_XTFPGA_KC705)
# define CONFIG_SYS_FLASH_SIZE		0x8000000	/* 128MB */
# define CONFIG_SYS_FLASH_SECT_SZ	0x20000		/* block size 128KB */
# define CONFIG_SYS_FLASH_PARMSECT_SZ	0x8000		/* param size 32KB */
# define CONFIG_SYS_FLASH_BASE		IOADDR(0x00000000)
# define CONFIG_SYS_MONITOR_BASE	IOADDR(0x06000000)
#else
# define CONFIG_SYS_FLASH_SIZE		0x1000000	/* 16MB */
# define CONFIG_SYS_FLASH_SECT_SZ	0x20000		/* block size 128KB */
# define CONFIG_SYS_FLASH_PARMSECT_SZ	0x8000		/* param size 32KB */
# define CONFIG_SYS_FLASH_BASE		IOADDR(0x08000000)
# define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
#endif
#define CONFIG_SYS_MAX_FLASH_SECT	\
	(CONFIG_SYS_FLASH_SECT_SZ/CONFIG_SYS_FLASH_PARMSECT_SZ + \
	 CONFIG_SYS_FLASH_SIZE/CONFIG_SYS_FLASH_SECT_SZ - 1)
#define CONFIG_SYS_FLASH_PROTECTION		/* hw flash protection */

/*
 * Put environment in top block (64kB)
 * Another option would be to put env. in 2nd param block offs 8KB, size 8KB
 */
#define CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_OFFSET    (CONFIG_SYS_FLASH_SIZE - CONFIG_SYS_FLASH_SECT_SZ)
#define CONFIG_ENV_SIZE	     CONFIG_SYS_FLASH_SECT_SZ

/* print 'E' for empty sector on flinfo */
#define CONFIG_SYS_FLASH_EMPTY_INFO

#endif /* __CONFIG_H */