diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/xtfpga.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/include/configs/xtfpga.h b/include/configs/xtfpga.h new file mode 100644 index 0000000000..c5b06e3e0a --- /dev/null +++ b/include/configs/xtfpga.h @@ -0,0 +1,268 @@ +/* + * Copyright (C) 2007-2013 Tensilica, Inc. + * Copyright (C) 2014 - 2016 Cadence Design Systems Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <asm/arch/core.h> +#include <asm/addrspace.h> +#include <asm/config.h> + +/* + * The 'xtfpga' board describes a set of very similar boards with only minimal + * differences. + */ + +/*=====================*/ +/* Board and Processor */ +/*=====================*/ + +#define CONFIG_XTFPGA + +/* FPGA CPU freq after init */ +#define CONFIG_SYS_CLK_FREQ (gd->cpu_clk) + +/*===================*/ +/* RAM Layout */ +/*===================*/ + +#if XCHAL_HAVE_PTP_MMU +#define CONFIG_SYS_MEMORY_BASE \ + (XCHAL_VECBASE_RESET_VADDR - XCHAL_VECBASE_RESET_PADDR) +#define CONFIG_SYS_IO_BASE 0xf0000000 +#else +#define CONFIG_SYS_MEMORY_BASE 0x60000000 +#define CONFIG_SYS_IO_BASE 0x90000000 +#define CONFIG_MAX_MEM_MAPPED 0x10000000 +#endif + +/* Onboard RAM sizes: + * + * LX60 0x04000000 64 MB + * LX110 0x03000000 48 MB + * LX200 0x06000000 96 MB + * ML605 0x18000000 384 MB + * KC705 0x38000000 896 MB + * + * noMMU configurations can only see first 256MB of onboard memory. + */ + +#if XCHAL_HAVE_PTP_MMU || CONFIG_BOARD_SDRAM_SIZE < 0x10000000 +#define CONFIG_SYS_SDRAM_SIZE CONFIG_BOARD_SDRAM_SIZE +#else +#define CONFIG_SYS_SDRAM_SIZE 0x10000000 +#endif + +#define CONFIG_SYS_SDRAM_BASE MEMADDR(0x00000000) + +/* Lx60 can only map 128kb memory (instead of 256kb) when running under OCD */ +#ifdef CONFIG_XTFPGA_LX60 +# define CONFIG_SYS_MONITOR_LEN 0x00020000 /* 128KB */ +#else +# define CONFIG_SYS_MONITOR_LEN 0x00040000 /* 256KB */ +#endif + +#define CONFIG_SYS_STACKSIZE (512 << 10) /* stack 512KB */ +#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* heap 256KB */ + +/* Linux boot param area in RAM (used only when booting linux) */ +#define CONFIG_SYS_BOOTPARAMS_LEN (64 << 10) + +/* Memory test is destructive so default must not overlap vectors or U-Boot*/ +#define CONFIG_SYS_MEMTEST_START MEMADDR(0x01000000) +#define CONFIG_SYS_MEMTEST_END MEMADDR(0x02000000) + +/* Load address for stand-alone applications. + * MEMADDR cannot be used here, because the definition needs to be + * a plain number as it's used as -Ttext argument for ld in standalone + * example makefile. + * Handle noMMU vs MMUv2 vs MMUv3 distinction here manually. + */ +#if XCHAL_HAVE_PTP_MMU +#if XCHAL_VECBASE_RESET_VADDR == XCHAL_VECBASE_RESET_PADDR +#define CONFIG_STANDALONE_LOAD_ADDR 0x00800000 +#else +#define CONFIG_STANDALONE_LOAD_ADDR 0xd0800000 +#endif +#else +#define CONFIG_STANDALONE_LOAD_ADDR 0x60800000 +#endif + +#if defined(CONFIG_MAX_MEM_MAPPED) && \ + CONFIG_MAX_MEM_MAPPED < CONFIG_SYS_SDRAM_SIZE +#define CONFIG_SYS_MEMORY_SIZE CONFIG_MAX_MEM_MAPPED +#else +#define CONFIG_SYS_MEMORY_SIZE CONFIG_SYS_SDRAM_SIZE +#endif + +#define CONFIG_SYS_MEMORY_TOP MEMADDR(CONFIG_SYS_MEMORY_SIZE) +#define CONFIG_SYS_TEXT_ADDR \ + (CONFIG_SYS_MEMORY_TOP - CONFIG_SYS_MONITOR_LEN) + +/* Used by tftpboot; env var 'loadaddr' */ +#define CONFIG_SYS_LOAD_ADDR MEMADDR(0x02000000) + +/*==============================*/ +/* U-Boot general configuration */ +/*==============================*/ + +#undef CONFIG_USE_IRQ /* Keep it simple, poll only */ +#define CONFIG_BOARD_POSTCLK_INIT +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO +#define CONFIG_MISC_INIT_R + +#define CONFIG_BOOTFILE "uImage" + /* Console I/O Buffer Size */ +#define CONFIG_SYS_CBSIZE 1024 + /* Prt buf */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) + /* max number of command args */ +#define CONFIG_SYS_MAXARGS 16 + /* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/*=================*/ +/* U-Boot commands */ +/*=================*/ + +#define CONFIG_CMD_DIAG +#define CONFIG_CMD_SAVES + +/*==============================*/ +/* U-Boot autoboot configuration */ +/*==============================*/ + +#define CONFIG_BOOT_RETRY_TIME 60 /* retry after 60 secs */ + +#define CONFIG_VERSION_VARIABLE +#define CONFIG_AUTO_COMPLETE /* Support tab autocompletion */ +#define CONFIG_CMDLINE_EDITING +#define CONFIG_SYS_LONGHELP +#define CONFIG_CRC32_VERIFY +#define CONFIG_MX_CYCLIC +#define CONFIG_SHOW_BOOT_PROGRESS + +#ifdef DEBUG +#define CONFIG_PANIC_HANG 1 /* Require manual reboot */ +#endif + + +/*=========================================*/ +/* FPGA Registers (board info and control) */ +/*=========================================*/ + +/* + * These assume FPGA bitstreams from Tensilica release RB and up. Earlier + * releases may not provide any/all of these registers or at these offsets. + * Some of the FPGA registers are broken down into bitfields described by + * SHIFT left amount and field WIDTH (bits), and also by a bitMASK. + */ + +/* Date of FPGA bitstream build in binary coded decimal (BCD) */ +#define CONFIG_SYS_FPGAREG_DATE IOADDR(0x0D020000) +#define FPGAREG_MTH_SHIFT 24 /* BCD month 1..12 */ +#define FPGAREG_MTH_WIDTH 8 +#define FPGAREG_MTH_MASK 0xFF000000 +#define FPGAREG_DAY_SHIFT 16 /* BCD day 1..31 */ +#define FPGAREG_DAY_WIDTH 8 +#define FPGAREG_DAY_MASK 0x00FF0000 +#define FPGAREG_YEAR_SHIFT 0 /* BCD year 2001..9999*/ +#define FPGAREG_YEAR_WIDTH 16 +#define FPGAREG_YEAR_MASK 0x0000FFFF + +/* FPGA core clock frequency in Hz (also input to UART) */ +#define CONFIG_SYS_FPGAREG_FREQ IOADDR(0x0D020004) /* CPU clock frequency*/ + +/* + * DIP switch (left=sw1=lsb=bit0, right=sw8=msb=bit7; off=0, on=1): + * Bits 0..5 set the lower 6 bits of the default ethernet MAC. + * Bit 6 is reserved for future use by Tensilica. + * Bit 7 maps the first 128KB of ROM address space at CONFIG_SYS_ROM_BASE to + * the base of flash * (when on/1) or to the base of RAM (when off/0). + */ +#define CONFIG_SYS_FPGAREG_DIPSW IOADDR(0x0D02000C) +#define FPGAREG_MAC_SHIFT 0 /* Ethernet MAC bits 0..5 */ +#define FPGAREG_MAC_WIDTH 6 +#define FPGAREG_MAC_MASK 0x3f +#define FPGAREG_BOOT_SHIFT 7 /* Boot ROM addr mapping */ +#define FPGAREG_BOOT_WIDTH 1 +#define FPGAREG_BOOT_MASK 0x80 +#define FPGAREG_BOOT_RAM 0 +#define FPGAREG_BOOT_FLASH (1<<FPGAREG_BOOT_SHIFT) + +/* Force hard reset of board by writing a code to this register */ +#define CONFIG_SYS_FPGAREG_RESET IOADDR(0x0D020010) /* Reset board .. */ +#define CONFIG_SYS_FPGAREG_RESET_CODE 0x0000DEAD /* by writing this code */ + +/*====================*/ +/* Serial Driver Info */ +/*====================*/ + +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE (-4) +#define CONFIG_SYS_NS16550_COM1 IOADDR(0x0D050020) /* Base address */ + +/* Input clk to NS16550 (in Hz; the SYS_CLK_FREQ is in kHz) */ +#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_CLK_FREQ +#define CONFIG_CONS_INDEX 1 /* use UART0 for console */ +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/*======================*/ +/* Ethernet Driver Info */ +/*======================*/ + +#define CONFIG_ETHBASE 00:50:C2:13:6f:00 +#define CONFIG_SYS_ETHOC_BASE IOADDR(0x0d030000) +#define CONFIG_SYS_ETHOC_BUFFER_ADDR IOADDR(0x0D800000) + +/*=====================*/ +/* Flash & Environment */ +/*=====================*/ + +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_FLASH_CFI_DRIVER /* use generic CFI driver */ +#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#ifdef CONFIG_XTFPGA_LX60 +# define CONFIG_SYS_FLASH_SIZE 0x0040000 /* 4MB */ +# define CONFIG_SYS_FLASH_SECT_SZ 0x10000 /* block size 64KB */ +# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x2000 /* param size 8KB */ +# define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000) +# define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE +#elif defined(CONFIG_XTFPGA_KC705) +# define CONFIG_SYS_FLASH_SIZE 0x8000000 /* 128MB */ +# define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */ +# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */ +# define CONFIG_SYS_FLASH_BASE IOADDR(0x00000000) +# define CONFIG_SYS_MONITOR_BASE IOADDR(0x06000000) +#else +# define CONFIG_SYS_FLASH_SIZE 0x1000000 /* 16MB */ +# define CONFIG_SYS_FLASH_SECT_SZ 0x20000 /* block size 128KB */ +# define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */ +# define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000) +# define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE +#endif +#define CONFIG_SYS_MAX_FLASH_SECT \ + (CONFIG_SYS_FLASH_SECT_SZ/CONFIG_SYS_FLASH_PARMSECT_SZ + \ + CONFIG_SYS_FLASH_SIZE/CONFIG_SYS_FLASH_SECT_SZ - 1) +#define CONFIG_SYS_FLASH_PROTECTION /* hw flash protection */ + +/* + * Put environment in top block (64kB) + * Another option would be to put env. in 2nd param block offs 8KB, size 8KB + */ +#define CONFIG_ENV_IS_IN_FLASH +#define CONFIG_ENV_OFFSET (CONFIG_SYS_FLASH_SIZE - CONFIG_SYS_FLASH_SECT_SZ) +#define CONFIG_ENV_SIZE CONFIG_SYS_FLASH_SECT_SZ + +/* print 'E' for empty sector on flinfo */ +#define CONFIG_SYS_FLASH_EMPTY_INFO + +#endif /* __CONFIG_H */ |