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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
69#define CONFIG_SYS_STACKSIZE (512 << 10) /* stack 512KB */
70#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* heap 256KB */
71
72/* Linux boot param area in RAM (used only when booting linux) */
73#define CONFIG_SYS_BOOTPARAMS_LEN (64 << 10)
74
75/* Memory test is destructive so default must not overlap vectors or U-Boot*/
76#define CONFIG_SYS_MEMTEST_START MEMADDR(0x01000000)
77#define CONFIG_SYS_MEMTEST_END MEMADDR(0x02000000)
78
79/* Load address for stand-alone applications.
80 * MEMADDR cannot be used here, because the definition needs to be
81 * a plain number as it's used as -Ttext argument for ld in standalone
82 * example makefile.
83 * Handle noMMU vs MMUv2 vs MMUv3 distinction here manually.
84 */
85#if XCHAL_HAVE_PTP_MMU
86#if XCHAL_VECBASE_RESET_VADDR == XCHAL_VECBASE_RESET_PADDR
87#define CONFIG_STANDALONE_LOAD_ADDR 0x00800000
88#else
89#define CONFIG_STANDALONE_LOAD_ADDR 0xd0800000
90#endif
91#else
92#define CONFIG_STANDALONE_LOAD_ADDR 0x60800000
93#endif
94
95#if defined(CONFIG_MAX_MEM_MAPPED) && \
96 CONFIG_MAX_MEM_MAPPED < CONFIG_SYS_SDRAM_SIZE
97#define CONFIG_SYS_MEMORY_SIZE CONFIG_MAX_MEM_MAPPED
98#else
99#define CONFIG_SYS_MEMORY_SIZE CONFIG_SYS_SDRAM_SIZE
100#endif
101
102#define CONFIG_SYS_MEMORY_TOP MEMADDR(CONFIG_SYS_MEMORY_SIZE)
103#define CONFIG_SYS_TEXT_ADDR \
104 (CONFIG_SYS_MEMORY_TOP - CONFIG_SYS_MONITOR_LEN)
105
106/* Used by tftpboot; env var 'loadaddr' */
107#define CONFIG_SYS_LOAD_ADDR MEMADDR(0x02000000)
108
109/*==============================*/
110/* U-Boot general configuration */
111/*==============================*/
112
113#undef CONFIG_USE_IRQ /* Keep it simple, poll only */
114#define CONFIG_BOARD_POSTCLK_INIT
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115#define CONFIG_MISC_INIT_R
116
117#define CONFIG_BOOTFILE "uImage"
118 /* Console I/O Buffer Size */
119#define CONFIG_SYS_CBSIZE 1024
120 /* Prt buf */
121#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
122 sizeof(CONFIG_SYS_PROMPT) + 16)
123 /* max number of command args */
124#define CONFIG_SYS_MAXARGS 16
125 /* Boot Argument Buffer Size */
126#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
127
128/*=================*/
129/* U-Boot commands */
130/*=================*/
131
132#define CONFIG_CMD_DIAG
133#define CONFIG_CMD_SAVES
134
135/*==============================*/
136/* U-Boot autoboot configuration */
137/*==============================*/
138
139#define CONFIG_BOOT_RETRY_TIME 60 /* retry after 60 secs */
140
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141#define CONFIG_AUTO_COMPLETE /* Support tab autocompletion */
142#define CONFIG_CMDLINE_EDITING
143#define CONFIG_SYS_LONGHELP
144#define CONFIG_CRC32_VERIFY
145#define CONFIG_MX_CYCLIC
146#define CONFIG_SHOW_BOOT_PROGRESS
147
148#ifdef DEBUG
149#define CONFIG_PANIC_HANG 1 /* Require manual reboot */
150#endif
151
152
153/*=========================================*/
154/* FPGA Registers (board info and control) */
155/*=========================================*/
156
157/*
158 * These assume FPGA bitstreams from Tensilica release RB and up. Earlier
159 * releases may not provide any/all of these registers or at these offsets.
160 * Some of the FPGA registers are broken down into bitfields described by
161 * SHIFT left amount and field WIDTH (bits), and also by a bitMASK.
162 */
163
164/* Date of FPGA bitstream build in binary coded decimal (BCD) */
165#define CONFIG_SYS_FPGAREG_DATE IOADDR(0x0D020000)
166#define FPGAREG_MTH_SHIFT 24 /* BCD month 1..12 */
167#define FPGAREG_MTH_WIDTH 8
168#define FPGAREG_MTH_MASK 0xFF000000
169#define FPGAREG_DAY_SHIFT 16 /* BCD day 1..31 */
170#define FPGAREG_DAY_WIDTH 8
171#define FPGAREG_DAY_MASK 0x00FF0000
172#define FPGAREG_YEAR_SHIFT 0 /* BCD year 2001..9999*/
173#define FPGAREG_YEAR_WIDTH 16
174#define FPGAREG_YEAR_MASK 0x0000FFFF
175
176/* FPGA core clock frequency in Hz (also input to UART) */
177#define CONFIG_SYS_FPGAREG_FREQ IOADDR(0x0D020004) /* CPU clock frequency*/
178
179/*
180 * DIP switch (left=sw1=lsb=bit0, right=sw8=msb=bit7; off=0, on=1):
181 * Bits 0..5 set the lower 6 bits of the default ethernet MAC.
182 * Bit 6 is reserved for future use by Tensilica.
183 * Bit 7 maps the first 128KB of ROM address space at CONFIG_SYS_ROM_BASE to
184 * the base of flash * (when on/1) or to the base of RAM (when off/0).
185 */
186#define CONFIG_SYS_FPGAREG_DIPSW IOADDR(0x0D02000C)
187#define FPGAREG_MAC_SHIFT 0 /* Ethernet MAC bits 0..5 */
188#define FPGAREG_MAC_WIDTH 6
189#define FPGAREG_MAC_MASK 0x3f
190#define FPGAREG_BOOT_SHIFT 7 /* Boot ROM addr mapping */
191#define FPGAREG_BOOT_WIDTH 1
192#define FPGAREG_BOOT_MASK 0x80
193#define FPGAREG_BOOT_RAM 0
194#define FPGAREG_BOOT_FLASH (1<<FPGAREG_BOOT_SHIFT)
195
196/* Force hard reset of board by writing a code to this register */
197#define CONFIG_SYS_FPGAREG_RESET IOADDR(0x0D020010) /* Reset board .. */
198#define CONFIG_SYS_FPGAREG_RESET_CODE 0x0000DEAD /* by writing this code */
199
200/*====================*/
201/* Serial Driver Info */
202/*====================*/
203
204#define CONFIG_SYS_NS16550_SERIAL
205#define CONFIG_SYS_NS16550_REG_SIZE (-4)
206#define CONFIG_SYS_NS16550_COM1 IOADDR(0x0D050020) /* Base address */
207
208/* Input clk to NS16550 (in Hz; the SYS_CLK_FREQ is in kHz) */
209#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_CLK_FREQ
210#define CONFIG_CONS_INDEX 1 /* use UART0 for console */
211#define CONFIG_BAUDRATE 115200 /* Default baud rate */
212#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
213
214/*======================*/
215/* Ethernet Driver Info */
216/*======================*/
217
218#define CONFIG_ETHBASE 00:50:C2:13:6f:00
219#define CONFIG_SYS_ETHOC_BASE IOADDR(0x0d030000)
220#define CONFIG_SYS_ETHOC_BUFFER_ADDR IOADDR(0x0D800000)
221
222/*=====================*/
223/* Flash & Environment */
224/*=====================*/
225
226#define CONFIG_SYS_FLASH_CFI
227#define CONFIG_FLASH_CFI_DRIVER /* use generic CFI driver */
228#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
229#define CONFIG_SYS_MAX_FLASH_BANKS 1
230#ifdef CONFIG_XTFPGA_LX60
231# define CONFIG_SYS_FLASH_SIZE 0x0040000 /* 4MB */
232# define CONFIG_SYS_FLASH_SECT_SZ 0x10000 /* block size 64KB */
233# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x2000 /* param size 8KB */
234# define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000)
235# define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
236#elif defined(CONFIG_XTFPGA_KC705)
237# define CONFIG_SYS_FLASH_SIZE 0x8000000 /* 128MB */
238# define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */
239# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */
240# define CONFIG_SYS_FLASH_BASE IOADDR(0x00000000)
241# define CONFIG_SYS_MONITOR_BASE IOADDR(0x06000000)
242#else
243# define CONFIG_SYS_FLASH_SIZE 0x1000000 /* 16MB */
244# define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */
245# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */
246# define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000)
247# define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
248#endif
249#define CONFIG_SYS_MAX_FLASH_SECT \
250 (CONFIG_SYS_FLASH_SECT_SZ/CONFIG_SYS_FLASH_PARMSECT_SZ + \
251 CONFIG_SYS_FLASH_SIZE/CONFIG_SYS_FLASH_SECT_SZ - 1)
252#define CONFIG_SYS_FLASH_PROTECTION /* hw flash protection */
253
254/*
255 * Put environment in top block (64kB)
256 * Another option would be to put env. in 2nd param block offs 8KB, size 8KB
257 */
258#define CONFIG_ENV_IS_IN_FLASH
259#define CONFIG_ENV_OFFSET (CONFIG_SYS_FLASH_SIZE - CONFIG_SYS_FLASH_SECT_SZ)
260#define CONFIG_ENV_SIZE CONFIG_SYS_FLASH_SECT_SZ
261
262/* print 'E' for empty sector on flinfo */
263#define CONFIG_SYS_FLASH_EMPTY_INFO
264
265#endif /* __CONFIG_H */