1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2007-2013 Tensilica, Inc. 4 * Copyright (C) 2014 - 2016 Cadence Design Systems Inc. 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 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*/ 74 #define CONFIG_SYS_MEMTEST_START MEMADDR(0x01000000) 75 #define CONFIG_SYS_MEMTEST_END MEMADDR(0x02000000) 76 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 80 * example makefile. 81 * Handle noMMU vs MMUv2 vs MMUv3 distinction here manually. 82 */ 83 #if XCHAL_HAVE_PTP_MMU 84 #if XCHAL_VECBASE_RESET_VADDR == XCHAL_VECBASE_RESET_PADDR 85 #define CONFIG_STANDALONE_LOAD_ADDR 0x00800000 86 #else 87 #define CONFIG_STANDALONE_LOAD_ADDR 0xd0800000 88 #endif 89 #else 90 #define CONFIG_STANDALONE_LOAD_ADDR 0x60800000 91 #endif 92 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 96 #else 97 #define CONFIG_SYS_MEMORY_SIZE CONFIG_SYS_SDRAM_SIZE 98 #endif 99 100 #define XTENSA_SYS_TEXT_ADDR \ 101 (MEMADDR(CONFIG_SYS_MEMORY_SIZE) - CONFIG_SYS_MONITOR_LEN) 102 103 /* Used by tftpboot; env var 'loadaddr' */ 104 #define CONFIG_SYS_LOAD_ADDR MEMADDR(0x02000000) 105 106 /*==============================*/ 107 /* U-Boot general configuration */ 108 /*==============================*/ 109 110 #define CONFIG_BOARD_POSTCLK_INIT 111 112 #define CONFIG_BOOTFILE "uImage" 113 /* Console I/O Buffer Size */ 114 #define CONFIG_SYS_CBSIZE 1024 115 /* Boot Argument Buffer Size */ 116 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 117 118 /*==============================*/ 119 /* U-Boot autoboot configuration */ 120 /*==============================*/ 121 122 #define CONFIG_MX_CYCLIC 123 #define CONFIG_SHOW_BOOT_PROGRESS 124 125 126 /*=========================================*/ 127 /* FPGA Registers (board info and control) */ 128 /*=========================================*/ 129 130 /* 131 * These assume FPGA bitstreams from Tensilica release RB and up. Earlier 132 * releases may not provide any/all of these registers or at these offsets. 133 * Some of the FPGA registers are broken down into bitfields described by 134 * SHIFT left amount and field WIDTH (bits), and also by a bitMASK. 135 */ 136 137 /* Date of FPGA bitstream build in binary coded decimal (BCD) */ 138 #define CONFIG_SYS_FPGAREG_DATE IOADDR(0x0D020000) 139 #define FPGAREG_MTH_SHIFT 24 /* BCD month 1..12 */ 140 #define FPGAREG_MTH_WIDTH 8 141 #define FPGAREG_MTH_MASK 0xFF000000 142 #define FPGAREG_DAY_SHIFT 16 /* BCD day 1..31 */ 143 #define FPGAREG_DAY_WIDTH 8 144 #define FPGAREG_DAY_MASK 0x00FF0000 145 #define FPGAREG_YEAR_SHIFT 0 /* BCD year 2001..9999*/ 146 #define FPGAREG_YEAR_WIDTH 16 147 #define FPGAREG_YEAR_MASK 0x0000FFFF 148 149 /* FPGA core clock frequency in Hz (also input to UART) */ 150 #define CONFIG_SYS_FPGAREG_FREQ IOADDR(0x0D020004) /* CPU clock frequency*/ 151 152 /* 153 * DIP switch (left=sw1=lsb=bit0, right=sw8=msb=bit7; off=0, on=1): 154 * Bits 0..5 set the lower 6 bits of the default ethernet MAC. 155 * Bit 6 is reserved for future use by Tensilica. 156 * Bit 7 maps the first 128KB of ROM address space at CONFIG_SYS_ROM_BASE to 157 * the base of flash * (when on/1) or to the base of RAM (when off/0). 158 */ 159 #define CONFIG_SYS_FPGAREG_DIPSW IOADDR(0x0D02000C) 160 #define FPGAREG_MAC_SHIFT 0 /* Ethernet MAC bits 0..5 */ 161 #define FPGAREG_MAC_WIDTH 6 162 #define FPGAREG_MAC_MASK 0x3f 163 #define FPGAREG_BOOT_SHIFT 7 /* Boot ROM addr mapping */ 164 #define FPGAREG_BOOT_WIDTH 1 165 #define FPGAREG_BOOT_MASK 0x80 166 #define FPGAREG_BOOT_RAM 0 167 #define FPGAREG_BOOT_FLASH (1<<FPGAREG_BOOT_SHIFT) 168 169 /* Force hard reset of board by writing a code to this register */ 170 #define CONFIG_SYS_FPGAREG_RESET IOADDR(0x0D020010) /* Reset board .. */ 171 #define CONFIG_SYS_FPGAREG_RESET_CODE 0x0000DEAD /* by writing this code */ 172 173 /*====================*/ 174 /* Serial Driver Info */ 175 /*====================*/ 176 177 #define CONFIG_SYS_NS16550_SERIAL 178 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 179 #define CONFIG_SYS_NS16550_COM1 IOADDR(0x0D050020) /* Base address */ 180 181 /* Input clk to NS16550 (in Hz; the SYS_CLK_FREQ is in kHz) */ 182 #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_CLK_FREQ 183 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 184 185 /*======================*/ 186 /* Ethernet Driver Info */ 187 /*======================*/ 188 189 #define CONFIG_ETHBASE 00:50:C2:13:6f:00 190 #define CONFIG_SYS_ETHOC_BASE IOADDR(0x0d030000) 191 #define CONFIG_SYS_ETHOC_BUFFER_ADDR IOADDR(0x0D800000) 192 193 /*=====================*/ 194 /* Flash & Environment */ 195 /*=====================*/ 196 197 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 198 #define CONFIG_SYS_MAX_FLASH_BANKS 1 199 #ifdef CONFIG_XTFPGA_LX60 200 # define CONFIG_SYS_FLASH_SIZE 0x0040000 /* 4MB */ 201 # define CONFIG_SYS_FLASH_SECT_SZ 0x10000 /* block size 64KB */ 202 # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x2000 /* param size 8KB */ 203 # define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000) 204 # define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 205 #elif defined(CONFIG_XTFPGA_KC705) 206 # define CONFIG_SYS_FLASH_SIZE 0x8000000 /* 128MB */ 207 # define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */ 208 # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */ 209 # define CONFIG_SYS_FLASH_BASE IOADDR(0x00000000) 210 # define CONFIG_SYS_MONITOR_BASE IOADDR(0x06000000) 211 #else 212 # define CONFIG_SYS_FLASH_SIZE 0x1000000 /* 16MB */ 213 # define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */ 214 # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */ 215 # define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000) 216 # define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 217 #endif 218 #define CONFIG_SYS_MAX_FLASH_SECT \ 219 (CONFIG_SYS_FLASH_SECT_SZ/CONFIG_SYS_FLASH_PARMSECT_SZ + \ 220 CONFIG_SYS_FLASH_SIZE/CONFIG_SYS_FLASH_SECT_SZ - 1) 221 222 /* 223 * Put environment in top block (64kB) 224 * Another option would be to put env. in 2nd param block offs 8KB, size 8KB 225 */ 226 #define CONFIG_ENV_OFFSET (CONFIG_SYS_FLASH_SIZE - CONFIG_SYS_FLASH_SECT_SZ) 227 #define CONFIG_ENV_SIZE CONFIG_SYS_FLASH_SECT_SZ 228 229 /* print 'E' for empty sector on flinfo */ 230 #define CONFIG_SYS_FLASH_EMPTY_INFO 231 232 #endif /* __CONFIG_H */ 233