]>
Commit | Line | Data |
---|---|---|
83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
7e270ec3 CZ |
2 | /* |
3 | * Copyright (C) 2007-2013 Tensilica, Inc. | |
4 | * Copyright (C) 2014 - 2016 Cadence Design Systems Inc. | |
7e270ec3 CZ |
5 | */ |
6 | ||
7 | #ifndef __CONFIG_H | |
8 | #define __CONFIG_H | |
9 | ||
10 | #include <asm/arch/core.h> | |
11 | #include <asm/addrspace.h> | |
12 | #include <asm/config.h> | |
13 | ||
14 | /* | |
15 | * The 'xtfpga' board describes a set of very similar boards with only minimal | |
16 | * differences. | |
17 | */ | |
18 | ||
19 | /*=====================*/ | |
20 | /* Board and Processor */ | |
21 | /*=====================*/ | |
22 | ||
23 | #define CONFIG_XTFPGA | |
24 | ||
25 | /* FPGA CPU freq after init */ | |
26 | #define CONFIG_SYS_CLK_FREQ (gd->cpu_clk) | |
27 | ||
28 | /*===================*/ | |
29 | /* RAM Layout */ | |
30 | /*===================*/ | |
31 | ||
32 | #if XCHAL_HAVE_PTP_MMU | |
33 | #define CONFIG_SYS_MEMORY_BASE \ | |
34 | (XCHAL_VECBASE_RESET_VADDR - XCHAL_VECBASE_RESET_PADDR) | |
35 | #define CONFIG_SYS_IO_BASE 0xf0000000 | |
36 | #else | |
37 | #define CONFIG_SYS_MEMORY_BASE 0x60000000 | |
38 | #define CONFIG_SYS_IO_BASE 0x90000000 | |
39 | #define CONFIG_MAX_MEM_MAPPED 0x10000000 | |
40 | #endif | |
41 | ||
42 | /* Onboard RAM sizes: | |
43 | * | |
44 | * LX60 0x04000000 64 MB | |
45 | * LX110 0x03000000 48 MB | |
46 | * LX200 0x06000000 96 MB | |
47 | * ML605 0x18000000 384 MB | |
48 | * KC705 0x38000000 896 MB | |
49 | * | |
50 | * noMMU configurations can only see first 256MB of onboard memory. | |
51 | */ | |
52 | ||
53 | #if XCHAL_HAVE_PTP_MMU || CONFIG_BOARD_SDRAM_SIZE < 0x10000000 | |
54 | #define CONFIG_SYS_SDRAM_SIZE CONFIG_BOARD_SDRAM_SIZE | |
55 | #else | |
56 | #define CONFIG_SYS_SDRAM_SIZE 0x10000000 | |
57 | #endif | |
58 | ||
59 | #define CONFIG_SYS_SDRAM_BASE MEMADDR(0x00000000) | |
60 | ||
61 | /* Lx60 can only map 128kb memory (instead of 256kb) when running under OCD */ | |
62 | #ifdef CONFIG_XTFPGA_LX60 | |
63 | # define CONFIG_SYS_MONITOR_LEN 0x00020000 /* 128KB */ | |
64 | #else | |
65 | # define CONFIG_SYS_MONITOR_LEN 0x00040000 /* 256KB */ | |
66 | #endif | |
67 | ||
7e270ec3 CZ |
68 | #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* heap 256KB */ |
69 | ||
70 | /* Linux boot param area in RAM (used only when booting linux) */ | |
71 | #define CONFIG_SYS_BOOTPARAMS_LEN (64 << 10) | |
72 | ||
73 | /* Memory test is destructive so default must not overlap vectors or U-Boot*/ | |
7e270ec3 CZ |
74 | |
75 | /* Load address for stand-alone applications. | |
76 | * MEMADDR cannot be used here, because the definition needs to be | |
77 | * a plain number as it's used as -Ttext argument for ld in standalone | |
78 | * example makefile. | |
79 | * Handle noMMU vs MMUv2 vs MMUv3 distinction here manually. | |
80 | */ | |
81 | #if XCHAL_HAVE_PTP_MMU | |
82 | #if XCHAL_VECBASE_RESET_VADDR == XCHAL_VECBASE_RESET_PADDR | |
83 | #define CONFIG_STANDALONE_LOAD_ADDR 0x00800000 | |
84 | #else | |
85 | #define CONFIG_STANDALONE_LOAD_ADDR 0xd0800000 | |
86 | #endif | |
87 | #else | |
88 | #define CONFIG_STANDALONE_LOAD_ADDR 0x60800000 | |
89 | #endif | |
90 | ||
91 | #if defined(CONFIG_MAX_MEM_MAPPED) && \ | |
92 | CONFIG_MAX_MEM_MAPPED < CONFIG_SYS_SDRAM_SIZE | |
93 | #define CONFIG_SYS_MEMORY_SIZE CONFIG_MAX_MEM_MAPPED | |
94 | #else | |
95 | #define CONFIG_SYS_MEMORY_SIZE CONFIG_SYS_SDRAM_SIZE | |
96 | #endif | |
97 | ||
10117a29 MF |
98 | #define XTENSA_SYS_TEXT_ADDR \ |
99 | (MEMADDR(CONFIG_SYS_MEMORY_SIZE) - CONFIG_SYS_MONITOR_LEN) | |
7e270ec3 CZ |
100 | |
101 | /* Used by tftpboot; env var 'loadaddr' */ | |
102 | #define CONFIG_SYS_LOAD_ADDR MEMADDR(0x02000000) | |
103 | ||
104 | /*==============================*/ | |
105 | /* U-Boot general configuration */ | |
106 | /*==============================*/ | |
107 | ||
7e270ec3 | 108 | #define CONFIG_BOARD_POSTCLK_INIT |
7e270ec3 CZ |
109 | |
110 | #define CONFIG_BOOTFILE "uImage" | |
111 | /* Console I/O Buffer Size */ | |
112 | #define CONFIG_SYS_CBSIZE 1024 | |
7e270ec3 CZ |
113 | /* Boot Argument Buffer Size */ |
114 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE | |
115 | ||
7e270ec3 CZ |
116 | /*==============================*/ |
117 | /* U-Boot autoboot configuration */ | |
118 | /*==============================*/ | |
119 | ||
7e270ec3 CZ |
120 | |
121 | /*=========================================*/ | |
122 | /* FPGA Registers (board info and control) */ | |
123 | /*=========================================*/ | |
124 | ||
125 | /* | |
126 | * These assume FPGA bitstreams from Tensilica release RB and up. Earlier | |
127 | * releases may not provide any/all of these registers or at these offsets. | |
128 | * Some of the FPGA registers are broken down into bitfields described by | |
129 | * SHIFT left amount and field WIDTH (bits), and also by a bitMASK. | |
130 | */ | |
131 | ||
132 | /* Date of FPGA bitstream build in binary coded decimal (BCD) */ | |
133 | #define CONFIG_SYS_FPGAREG_DATE IOADDR(0x0D020000) | |
134 | #define FPGAREG_MTH_SHIFT 24 /* BCD month 1..12 */ | |
135 | #define FPGAREG_MTH_WIDTH 8 | |
136 | #define FPGAREG_MTH_MASK 0xFF000000 | |
137 | #define FPGAREG_DAY_SHIFT 16 /* BCD day 1..31 */ | |
138 | #define FPGAREG_DAY_WIDTH 8 | |
139 | #define FPGAREG_DAY_MASK 0x00FF0000 | |
140 | #define FPGAREG_YEAR_SHIFT 0 /* BCD year 2001..9999*/ | |
141 | #define FPGAREG_YEAR_WIDTH 16 | |
142 | #define FPGAREG_YEAR_MASK 0x0000FFFF | |
143 | ||
144 | /* FPGA core clock frequency in Hz (also input to UART) */ | |
145 | #define CONFIG_SYS_FPGAREG_FREQ IOADDR(0x0D020004) /* CPU clock frequency*/ | |
146 | ||
147 | /* | |
148 | * DIP switch (left=sw1=lsb=bit0, right=sw8=msb=bit7; off=0, on=1): | |
149 | * Bits 0..5 set the lower 6 bits of the default ethernet MAC. | |
150 | * Bit 6 is reserved for future use by Tensilica. | |
151 | * Bit 7 maps the first 128KB of ROM address space at CONFIG_SYS_ROM_BASE to | |
152 | * the base of flash * (when on/1) or to the base of RAM (when off/0). | |
153 | */ | |
154 | #define CONFIG_SYS_FPGAREG_DIPSW IOADDR(0x0D02000C) | |
155 | #define FPGAREG_MAC_SHIFT 0 /* Ethernet MAC bits 0..5 */ | |
156 | #define FPGAREG_MAC_WIDTH 6 | |
157 | #define FPGAREG_MAC_MASK 0x3f | |
158 | #define FPGAREG_BOOT_SHIFT 7 /* Boot ROM addr mapping */ | |
159 | #define FPGAREG_BOOT_WIDTH 1 | |
160 | #define FPGAREG_BOOT_MASK 0x80 | |
161 | #define FPGAREG_BOOT_RAM 0 | |
162 | #define FPGAREG_BOOT_FLASH (1<<FPGAREG_BOOT_SHIFT) | |
163 | ||
164 | /* Force hard reset of board by writing a code to this register */ | |
165 | #define CONFIG_SYS_FPGAREG_RESET IOADDR(0x0D020010) /* Reset board .. */ | |
166 | #define CONFIG_SYS_FPGAREG_RESET_CODE 0x0000DEAD /* by writing this code */ | |
167 | ||
168 | /*====================*/ | |
169 | /* Serial Driver Info */ | |
170 | /*====================*/ | |
171 | ||
172 | #define CONFIG_SYS_NS16550_SERIAL | |
173 | #define CONFIG_SYS_NS16550_REG_SIZE (-4) | |
174 | #define CONFIG_SYS_NS16550_COM1 IOADDR(0x0D050020) /* Base address */ | |
175 | ||
176 | /* Input clk to NS16550 (in Hz; the SYS_CLK_FREQ is in kHz) */ | |
177 | #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_CLK_FREQ | |
7e270ec3 CZ |
178 | #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
179 | ||
180 | /*======================*/ | |
181 | /* Ethernet Driver Info */ | |
182 | /*======================*/ | |
183 | ||
184 | #define CONFIG_ETHBASE 00:50:C2:13:6f:00 | |
185 | #define CONFIG_SYS_ETHOC_BASE IOADDR(0x0d030000) | |
186 | #define CONFIG_SYS_ETHOC_BUFFER_ADDR IOADDR(0x0D800000) | |
187 | ||
188 | /*=====================*/ | |
189 | /* Flash & Environment */ | |
190 | /*=====================*/ | |
191 | ||
7e270ec3 CZ |
192 | #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT |
193 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 | |
194 | #ifdef CONFIG_XTFPGA_LX60 | |
195 | # define CONFIG_SYS_FLASH_SIZE 0x0040000 /* 4MB */ | |
196 | # define CONFIG_SYS_FLASH_SECT_SZ 0x10000 /* block size 64KB */ | |
197 | # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x2000 /* param size 8KB */ | |
198 | # define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000) | |
199 | # define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
200 | #elif defined(CONFIG_XTFPGA_KC705) | |
201 | # define CONFIG_SYS_FLASH_SIZE 0x8000000 /* 128MB */ | |
202 | # define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */ | |
203 | # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */ | |
204 | # define CONFIG_SYS_FLASH_BASE IOADDR(0x00000000) | |
205 | # define CONFIG_SYS_MONITOR_BASE IOADDR(0x06000000) | |
206 | #else | |
207 | # define CONFIG_SYS_FLASH_SIZE 0x1000000 /* 16MB */ | |
208 | # define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */ | |
209 | # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */ | |
210 | # define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000) | |
211 | # define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
212 | #endif | |
213 | #define CONFIG_SYS_MAX_FLASH_SECT \ | |
214 | (CONFIG_SYS_FLASH_SECT_SZ/CONFIG_SYS_FLASH_PARMSECT_SZ + \ | |
215 | CONFIG_SYS_FLASH_SIZE/CONFIG_SYS_FLASH_SECT_SZ - 1) | |
7e270ec3 CZ |
216 | |
217 | /* | |
218 | * Put environment in top block (64kB) | |
219 | * Another option would be to put env. in 2nd param block offs 8KB, size 8KB | |
220 | */ | |
7e270ec3 CZ |
221 | |
222 | /* print 'E' for empty sector on flinfo */ | |
223 | #define CONFIG_SYS_FLASH_EMPTY_INFO | |
224 | ||
225 | #endif /* __CONFIG_H */ |