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1/*
2 * Copyright (C) 2007-2013 Tensilica, Inc.
3 * Copyright (C) 2014 - 2016 Cadence Design Systems Inc.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#ifndef __CONFIG_H
9#define __CONFIG_H
10
11#include <asm/arch/core.h>
12#include <asm/addrspace.h>
13#include <asm/config.h>
14
15/*
16 * The 'xtfpga' board describes a set of very similar boards with only minimal
17 * differences.
18 */
19
20/*=====================*/
21/* Board and Processor */
22/*=====================*/
23
24#define CONFIG_XTFPGA
25
26/* FPGA CPU freq after init */
27#define CONFIG_SYS_CLK_FREQ (gd->cpu_clk)
28
29/*===================*/
30/* RAM Layout */
31/*===================*/
32
33#if XCHAL_HAVE_PTP_MMU
34#define CONFIG_SYS_MEMORY_BASE \
35 (XCHAL_VECBASE_RESET_VADDR - XCHAL_VECBASE_RESET_PADDR)
36#define CONFIG_SYS_IO_BASE 0xf0000000
37#else
38#define CONFIG_SYS_MEMORY_BASE 0x60000000
39#define CONFIG_SYS_IO_BASE 0x90000000
40#define CONFIG_MAX_MEM_MAPPED 0x10000000
41#endif
42
43/* Onboard RAM sizes:
44 *
45 * LX60 0x04000000 64 MB
46 * LX110 0x03000000 48 MB
47 * LX200 0x06000000 96 MB
48 * ML605 0x18000000 384 MB
49 * KC705 0x38000000 896 MB
50 *
51 * noMMU configurations can only see first 256MB of onboard memory.
52 */
53
54#if XCHAL_HAVE_PTP_MMU || CONFIG_BOARD_SDRAM_SIZE < 0x10000000
55#define CONFIG_SYS_SDRAM_SIZE CONFIG_BOARD_SDRAM_SIZE
56#else
57#define CONFIG_SYS_SDRAM_SIZE 0x10000000
58#endif
59
60#define CONFIG_SYS_SDRAM_BASE MEMADDR(0x00000000)
61
62/* Lx60 can only map 128kb memory (instead of 256kb) when running under OCD */
63#ifdef CONFIG_XTFPGA_LX60
64# define CONFIG_SYS_MONITOR_LEN 0x00020000 /* 128KB */
65#else
66# define CONFIG_SYS_MONITOR_LEN 0x00040000 /* 256KB */
67#endif
68
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69#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* heap 256KB */
70
71/* Linux boot param area in RAM (used only when booting linux) */
72#define CONFIG_SYS_BOOTPARAMS_LEN (64 << 10)
73
74/* Memory test is destructive so default must not overlap vectors or U-Boot*/
75#define CONFIG_SYS_MEMTEST_START MEMADDR(0x01000000)
76#define CONFIG_SYS_MEMTEST_END MEMADDR(0x02000000)
77
78/* Load address for stand-alone applications.
79 * MEMADDR cannot be used here, because the definition needs to be
80 * a plain number as it's used as -Ttext argument for ld in standalone
81 * example makefile.
82 * Handle noMMU vs MMUv2 vs MMUv3 distinction here manually.
83 */
84#if XCHAL_HAVE_PTP_MMU
85#if XCHAL_VECBASE_RESET_VADDR == XCHAL_VECBASE_RESET_PADDR
86#define CONFIG_STANDALONE_LOAD_ADDR 0x00800000
87#else
88#define CONFIG_STANDALONE_LOAD_ADDR 0xd0800000
89#endif
90#else
91#define CONFIG_STANDALONE_LOAD_ADDR 0x60800000
92#endif
93
94#if defined(CONFIG_MAX_MEM_MAPPED) && \
95 CONFIG_MAX_MEM_MAPPED < CONFIG_SYS_SDRAM_SIZE
96#define CONFIG_SYS_MEMORY_SIZE CONFIG_MAX_MEM_MAPPED
97#else
98#define CONFIG_SYS_MEMORY_SIZE CONFIG_SYS_SDRAM_SIZE
99#endif
100
101#define CONFIG_SYS_MEMORY_TOP MEMADDR(CONFIG_SYS_MEMORY_SIZE)
102#define CONFIG_SYS_TEXT_ADDR \
103 (CONFIG_SYS_MEMORY_TOP - CONFIG_SYS_MONITOR_LEN)
104
105/* Used by tftpboot; env var 'loadaddr' */
106#define CONFIG_SYS_LOAD_ADDR MEMADDR(0x02000000)
107
108/*==============================*/
109/* U-Boot general configuration */
110/*==============================*/
111
7e270ec3 112#define CONFIG_BOARD_POSTCLK_INIT
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113#define CONFIG_MISC_INIT_R
114
115#define CONFIG_BOOTFILE "uImage"
116 /* Console I/O Buffer Size */
117#define CONFIG_SYS_CBSIZE 1024
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118 /* Boot Argument Buffer Size */
119#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
120
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121/*==============================*/
122/* U-Boot autoboot configuration */
123/*==============================*/
124
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125#define CONFIG_AUTO_COMPLETE /* Support tab autocompletion */
126#define CONFIG_CMDLINE_EDITING
127#define CONFIG_SYS_LONGHELP
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128#define CONFIG_MX_CYCLIC
129#define CONFIG_SHOW_BOOT_PROGRESS
130
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131
132/*=========================================*/
133/* FPGA Registers (board info and control) */
134/*=========================================*/
135
136/*
137 * These assume FPGA bitstreams from Tensilica release RB and up. Earlier
138 * releases may not provide any/all of these registers or at these offsets.
139 * Some of the FPGA registers are broken down into bitfields described by
140 * SHIFT left amount and field WIDTH (bits), and also by a bitMASK.
141 */
142
143/* Date of FPGA bitstream build in binary coded decimal (BCD) */
144#define CONFIG_SYS_FPGAREG_DATE IOADDR(0x0D020000)
145#define FPGAREG_MTH_SHIFT 24 /* BCD month 1..12 */
146#define FPGAREG_MTH_WIDTH 8
147#define FPGAREG_MTH_MASK 0xFF000000
148#define FPGAREG_DAY_SHIFT 16 /* BCD day 1..31 */
149#define FPGAREG_DAY_WIDTH 8
150#define FPGAREG_DAY_MASK 0x00FF0000
151#define FPGAREG_YEAR_SHIFT 0 /* BCD year 2001..9999*/
152#define FPGAREG_YEAR_WIDTH 16
153#define FPGAREG_YEAR_MASK 0x0000FFFF
154
155/* FPGA core clock frequency in Hz (also input to UART) */
156#define CONFIG_SYS_FPGAREG_FREQ IOADDR(0x0D020004) /* CPU clock frequency*/
157
158/*
159 * DIP switch (left=sw1=lsb=bit0, right=sw8=msb=bit7; off=0, on=1):
160 * Bits 0..5 set the lower 6 bits of the default ethernet MAC.
161 * Bit 6 is reserved for future use by Tensilica.
162 * Bit 7 maps the first 128KB of ROM address space at CONFIG_SYS_ROM_BASE to
163 * the base of flash * (when on/1) or to the base of RAM (when off/0).
164 */
165#define CONFIG_SYS_FPGAREG_DIPSW IOADDR(0x0D02000C)
166#define FPGAREG_MAC_SHIFT 0 /* Ethernet MAC bits 0..5 */
167#define FPGAREG_MAC_WIDTH 6
168#define FPGAREG_MAC_MASK 0x3f
169#define FPGAREG_BOOT_SHIFT 7 /* Boot ROM addr mapping */
170#define FPGAREG_BOOT_WIDTH 1
171#define FPGAREG_BOOT_MASK 0x80
172#define FPGAREG_BOOT_RAM 0
173#define FPGAREG_BOOT_FLASH (1<<FPGAREG_BOOT_SHIFT)
174
175/* Force hard reset of board by writing a code to this register */
176#define CONFIG_SYS_FPGAREG_RESET IOADDR(0x0D020010) /* Reset board .. */
177#define CONFIG_SYS_FPGAREG_RESET_CODE 0x0000DEAD /* by writing this code */
178
179/*====================*/
180/* Serial Driver Info */
181/*====================*/
182
183#define CONFIG_SYS_NS16550_SERIAL
184#define CONFIG_SYS_NS16550_REG_SIZE (-4)
185#define CONFIG_SYS_NS16550_COM1 IOADDR(0x0D050020) /* Base address */
186
187/* Input clk to NS16550 (in Hz; the SYS_CLK_FREQ is in kHz) */
188#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_CLK_FREQ
189#define CONFIG_CONS_INDEX 1 /* use UART0 for console */
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190#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
191
192/*======================*/
193/* Ethernet Driver Info */
194/*======================*/
195
196#define CONFIG_ETHBASE 00:50:C2:13:6f:00
197#define CONFIG_SYS_ETHOC_BASE IOADDR(0x0d030000)
198#define CONFIG_SYS_ETHOC_BUFFER_ADDR IOADDR(0x0D800000)
199
200/*=====================*/
201/* Flash & Environment */
202/*=====================*/
203
204#define CONFIG_SYS_FLASH_CFI
205#define CONFIG_FLASH_CFI_DRIVER /* use generic CFI driver */
206#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
207#define CONFIG_SYS_MAX_FLASH_BANKS 1
208#ifdef CONFIG_XTFPGA_LX60
209# define CONFIG_SYS_FLASH_SIZE 0x0040000 /* 4MB */
210# define CONFIG_SYS_FLASH_SECT_SZ 0x10000 /* block size 64KB */
211# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x2000 /* param size 8KB */
212# define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000)
213# define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
214#elif defined(CONFIG_XTFPGA_KC705)
215# define CONFIG_SYS_FLASH_SIZE 0x8000000 /* 128MB */
216# define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */
217# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */
218# define CONFIG_SYS_FLASH_BASE IOADDR(0x00000000)
219# define CONFIG_SYS_MONITOR_BASE IOADDR(0x06000000)
220#else
221# define CONFIG_SYS_FLASH_SIZE 0x1000000 /* 16MB */
222# define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */
223# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */
224# define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000)
225# define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
226#endif
227#define CONFIG_SYS_MAX_FLASH_SECT \
228 (CONFIG_SYS_FLASH_SECT_SZ/CONFIG_SYS_FLASH_PARMSECT_SZ + \
229 CONFIG_SYS_FLASH_SIZE/CONFIG_SYS_FLASH_SECT_SZ - 1)
230#define CONFIG_SYS_FLASH_PROTECTION /* hw flash protection */
231
232/*
233 * Put environment in top block (64kB)
234 * Another option would be to put env. in 2nd param block offs 8KB, size 8KB
235 */
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236#define CONFIG_ENV_OFFSET (CONFIG_SYS_FLASH_SIZE - CONFIG_SYS_FLASH_SECT_SZ)
237#define CONFIG_ENV_SIZE CONFIG_SYS_FLASH_SECT_SZ
238
239/* print 'E' for empty sector on flinfo */
240#define CONFIG_SYS_FLASH_EMPTY_INFO
241
242#endif /* __CONFIG_H */