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