diff options
Diffstat (limited to 'arch/nios2/boot')
| -rw-r--r-- | arch/nios2/boot/Makefile | 59 | ||||
| -rw-r--r-- | arch/nios2/boot/compressed/Makefile | 19 | ||||
| -rw-r--r-- | arch/nios2/boot/compressed/console.c | 125 | ||||
| -rw-r--r-- | arch/nios2/boot/compressed/head.S | 117 | ||||
| -rw-r--r-- | arch/nios2/boot/compressed/misc.c | 187 | ||||
| -rw-r--r-- | arch/nios2/boot/compressed/vmlinux.lds.S | 58 | ||||
| -rw-r--r-- | arch/nios2/boot/compressed/vmlinux.scr | 28 | ||||
| -rw-r--r-- | arch/nios2/boot/dts/3c120_devboard.dts | 164 | ||||
| -rw-r--r-- | arch/nios2/boot/install.sh | 52 | ||||
| -rw-r--r-- | arch/nios2/boot/linked_dtb.S | 19 |
10 files changed, 828 insertions, 0 deletions
diff --git a/arch/nios2/boot/Makefile b/arch/nios2/boot/Makefile new file mode 100644 index 000000000..c89987632 --- /dev/null +++ b/arch/nios2/boot/Makefile @@ -0,0 +1,59 @@ +# +# arch/nios2/boot/Makefile +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# + +UIMAGE_LOADADDR = $(shell $(NM) vmlinux | awk '$$NF == "_stext" {print $$1}') +UIMAGE_ENTRYADDR = $(shell $(NM) vmlinux | awk '$$NF == "_start" {print $$1}') +UIMAGE_COMPRESSION = gzip + +OBJCOPYFLAGS_vmlinux.bin := -O binary + +targets += vmlinux.bin vmlinux.gz vmImage + +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE + $(call if_changed,gzip) + +$(obj)/vmImage: $(obj)/vmlinux.gz + $(call if_changed,uimage) + @$(kecho) 'Kernel: $@ is ready' + +$(obj)/zImage: $(obj)/compressed/vmlinux FORCE + $(call if_changed,objcopy) + @$(kecho) 'Kernel: $@ is ready' + +$(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE + $(Q)$(MAKE) $(build)=$(obj)/compressed $@ + +# Rule to build device tree blobs +DTB_SRC := $(patsubst "%",%,$(CONFIG_NIOS2_DTB_SOURCE)) + +# Make sure the generated dtb gets removed during clean +extra-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += system.dtb + +$(obj)/system.dtb: $(DTB_SRC) FORCE + $(call cmd,dtc) + +# Ensure system.dtb exists +$(obj)/linked_dtb.o: $(obj)/system.dtb + +obj-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += linked_dtb.o + +targets += $(dtb-y) + +# Rule to build device tree blobs with make command +$(obj)/%.dtb: $(src)/dts/%.dts FORCE + $(call if_changed_dep,dtc) + +$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) + +clean-files := *.dtb + +install: + sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)" diff --git a/arch/nios2/boot/compressed/Makefile b/arch/nios2/boot/compressed/Makefile new file mode 100644 index 000000000..5b0fb346d --- /dev/null +++ b/arch/nios2/boot/compressed/Makefile @@ -0,0 +1,19 @@ +# +# create a compressed vmlinux image from the original vmlinux +# + +targets := vmlinux head.o misc.o piggy.o vmlinux.lds +asflags-y := + +OBJECTS = $(obj)/head.o $(obj)/misc.o + +LDFLAGS_vmlinux := -T + +$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o FORCE + $(call if_changed,ld) + @: + +LDFLAGS_piggy.o := -r --format binary --oformat elf32-littlenios2 -T + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/../vmlinux.gz FORCE + $(call if_changed,ld) diff --git a/arch/nios2/boot/compressed/console.c b/arch/nios2/boot/compressed/console.c new file mode 100644 index 000000000..2675e879b --- /dev/null +++ b/arch/nios2/boot/compressed/console.c @@ -0,0 +1,125 @@ +/* + * Copyright (C) 2008-2010 Thomas Chou <thomas@wytron.com.tw> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <linux/io.h> + +#if (defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE) && defined(JTAG_UART_BASE))\ + || (defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE) && defined(UART0_BASE)) +static void *my_ioremap(unsigned long physaddr) +{ + return (void *)(physaddr | CONFIG_NIOS2_IO_REGION_BASE); +} +#endif + +#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE) && defined(JTAG_UART_BASE) + +#define ALTERA_JTAGUART_SIZE 8 +#define ALTERA_JTAGUART_DATA_REG 0 +#define ALTERA_JTAGUART_CONTROL_REG 4 +#define ALTERA_JTAGUART_CONTROL_AC_MSK (0x00000400) +#define ALTERA_JTAGUART_CONTROL_WSPACE_MSK (0xFFFF0000) +static void *uartbase; + +#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS) +static void jtag_putc(int ch) +{ + if (readl(uartbase + ALTERA_JTAGUART_CONTROL_REG) & + ALTERA_JTAGUART_CONTROL_WSPACE_MSK) + writeb(ch, uartbase + ALTERA_JTAGUART_DATA_REG); +} +#else +static void jtag_putc(int ch) +{ + while ((readl(uartbase + ALTERA_JTAGUART_CONTROL_REG) & + ALTERA_JTAGUART_CONTROL_WSPACE_MSK) == 0) + ; + writeb(ch, uartbase + ALTERA_JTAGUART_DATA_REG); +} +#endif + +static int putchar(int ch) +{ + jtag_putc(ch); + return ch; +} + +static void console_init(void) +{ + uartbase = my_ioremap((unsigned long) JTAG_UART_BASE); + writel(ALTERA_JTAGUART_CONTROL_AC_MSK, + uartbase + ALTERA_JTAGUART_CONTROL_REG); +} + +#elif defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE) && defined(UART0_BASE) + +#define ALTERA_UART_SIZE 32 +#define ALTERA_UART_TXDATA_REG 4 +#define ALTERA_UART_STATUS_REG 8 +#define ALTERA_UART_DIVISOR_REG 16 +#define ALTERA_UART_STATUS_TRDY_MSK (0x40) +static unsigned uartbase; + +static void uart_putc(int ch) +{ + int i; + + for (i = 0; (i < 0x10000); i++) { + if (readw(uartbase + ALTERA_UART_STATUS_REG) & + ALTERA_UART_STATUS_TRDY_MSK) + break; + } + writeb(ch, uartbase + ALTERA_UART_TXDATA_REG); +} + +static int putchar(int ch) +{ + uart_putc(ch); + if (ch == '\n') + uart_putc('\r'); + return ch; +} + +static void console_init(void) +{ + unsigned int baud, baudclk; + + uartbase = (unsigned long) my_ioremap((unsigned long) UART0_BASE); + baud = CONFIG_SERIAL_ALTERA_UART_BAUDRATE; + baudclk = UART0_FREQ / baud; + writew(baudclk, uartbase + ALTERA_UART_DIVISOR_REG); +} + +#else + +static int putchar(int ch) +{ + return ch; +} + +static void console_init(void) +{ +} + +#endif + +static int puts(const char *s) +{ + while (*s) + putchar(*s++); + return 0; +} diff --git a/arch/nios2/boot/compressed/head.S b/arch/nios2/boot/compressed/head.S new file mode 100644 index 000000000..15c6c48dd --- /dev/null +++ b/arch/nios2/boot/compressed/head.S @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw> + * + * Based on arch/nios2/kernel/head.S + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ + +/* + * This code can be loaded anywhere, eg FLASH ROM as reset vector, + * as long as output does not overlap it. + */ + +#include <linux/linkage.h> +#include <asm/cache.h> + + .text + .set noat +ENTRY(_start) + wrctl status, r0 /* disable interrupt */ + /* invalidate all instruction cache */ + movia r1, NIOS2_ICACHE_SIZE + movui r2, NIOS2_ICACHE_LINE_SIZE +1: initi r1 + sub r1, r1, r2 + bgt r1, r0, 1b + /* invalidate all data cache */ + movia r1, NIOS2_DCACHE_SIZE + movui r2, NIOS2_DCACHE_LINE_SIZE +1: initd 0(r1) + sub r1, r1, r2 + bgt r1, r0, 1b + + nextpc r1 /* Find out where we are */ +chkadr: + movia r2, chkadr + beq r1, r2, finish_move /* We are running in correct address, + done */ + /* move code, r1: src, r2: dest, r3: last dest */ + addi r1, r1, (_start - chkadr) /* Source */ + movia r2, _start /* Destination */ + movia r3, __bss_start /* End of copy */ +1: ldw r8, 0(r1) /* load a word from [r1] */ + stw r8, 0(r2) /* stort a word to dest [r2] */ + addi r1, r1, 4 /* inc the src addr */ + addi r2, r2, 4 /* inc the dest addr */ + blt r2, r3, 1b + /* flush the data cache after moving */ + movia r1, NIOS2_DCACHE_SIZE + movui r2, NIOS2_DCACHE_LINE_SIZE +1: flushd 0(r1) + sub r1, r1, r2 + bgt r1, r0, 1b + movia r1, finish_move + jmp r1 /* jmp to linked address */ + +finish_move: + /* zero out the .bss segment (uninitialized common data) */ + movia r2, __bss_start /* presume nothing is between */ + movia r1, _end /* the .bss and _end. */ +1: stb r0, 0(r2) + addi r2, r2, 1 + bne r1, r2, 1b + /* + * set up the stack pointer, some where higher than _end. + * The stack space must be greater than 32K for decompress. + */ + movia sp, 0x10000 + add sp, sp, r1 + /* save args passed from u-boot, maybe */ + addi sp, sp, -16 + stw r4, 0(sp) + stw r5, 4(sp) + stw r6, 8(sp) + stw r7, 12(sp) + /* decompress the kernel */ + call decompress_kernel + /* pass saved args to kernel */ + ldw r4, 0(sp) + ldw r5, 4(sp) + ldw r6, 8(sp) + ldw r7, 12(sp) + + /* flush all data cache after decompressing */ + movia r1, NIOS2_DCACHE_SIZE + movui r2, NIOS2_DCACHE_LINE_SIZE +1: flushd 0(r1) + sub r1, r1, r2 + bgt r1, r0, 1b + /* flush all instruction cache */ + movia r1, NIOS2_ICACHE_SIZE + movui r2, NIOS2_ICACHE_LINE_SIZE +1: flushi r1 + sub r1, r1, r2 + bgt r1, r0, 1b + flushp + /* jump to start real kernel */ + movia r1, (CONFIG_NIOS2_MEM_BASE | CONFIG_NIOS2_KERNEL_REGION_BASE) + jmp r1 + + .balign 512 +fake_headers_as_bzImage: + .short 0 + .ascii "HdrS" + .short 0x0202 + .short 0 + .short 0 + .byte 0x00, 0x10 + .short 0 + .byte 0 + .byte 1 + .byte 0x00, 0x80 + .long 0 + .long 0 diff --git a/arch/nios2/boot/compressed/misc.c b/arch/nios2/boot/compressed/misc.c new file mode 100644 index 000000000..84377825e --- /dev/null +++ b/arch/nios2/boot/compressed/misc.c @@ -0,0 +1,187 @@ +/* + * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw> + * + * This is a collection of several routines from gzip-1.0.3 + * adapted for Linux. + * + * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 + * + * Adapted for SH by Stuart Menefy, Aug 1999 + * + * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000 + * + * Based on arch/sh/boot/compressed/misc.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <linux/string.h> + +/* + * gzip declarations + */ +#define OF(args) args +#define STATIC static + +#undef memset +#undef memcpy +#define memzero(s, n) memset((s), 0, (n)) + +typedef unsigned char uch; +typedef unsigned short ush; +typedef unsigned long ulg; +#define WSIZE 0x8000 /* Window size must be at least 32k, */ + /* and a power of two */ + +static uch *inbuf; /* input buffer */ +static uch window[WSIZE]; /* Sliding window buffer */ + +static unsigned insize; /* valid bytes in inbuf */ +static unsigned inptr; /* index of next byte to be processed in inbuf */ +static unsigned outcnt; /* bytes in output buffer */ + +/* gzip flag byte */ +#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */ +#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip + file */ +#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ +#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ +#define COMMENT 0x10 /* bit 4 set: file comment present */ +#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ +#define RESERVED 0xC0 /* bit 6,7: reserved */ + +#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) + +#ifdef DEBUG +# define Assert(cond, msg) {if (!(cond)) error(msg); } +# define Trace(x) fprintf x +# define Tracev(x) {if (verbose) fprintf x ; } +# define Tracevv(x) {if (verbose > 1) fprintf x ; } +# define Tracec(c, x) {if (verbose && (c)) fprintf x ; } +# define Tracecv(c, x) {if (verbose > 1 && (c)) fprintf x ; } +#else +# define Assert(cond, msg) +# define Trace(x) +# define Tracev(x) +# define Tracevv(x) +# define Tracec(c, x) +# define Tracecv(c, x) +#endif +static int fill_inbuf(void); +static void flush_window(void); +static void error(char *m); + +extern char input_data[]; +extern int input_len; + +static long bytes_out; +static uch *output_data; +static unsigned long output_ptr; + +#include "console.c" + +static void error(char *m); + +int puts(const char *); + +extern int _end; +static unsigned long free_mem_ptr; +static unsigned long free_mem_end_ptr; + +#define HEAP_SIZE 0x10000 + +#include "../../../../lib/inflate.c" + +void *memset(void *s, int c, size_t n) +{ + int i; + char *ss = (char *)s; + + for (i = 0; i < n; i++) + ss[i] = c; + return s; +} + +void *memcpy(void *__dest, __const void *__src, size_t __n) +{ + int i; + char *d = (char *)__dest, *s = (char *)__src; + + for (i = 0; i < __n; i++) + d[i] = s[i]; + return __dest; +} + +/* + * Fill the input buffer. This is called only when the buffer is empty + * and at least one byte is really needed. + */ +static int fill_inbuf(void) +{ + if (insize != 0) + error("ran out of input data"); + + inbuf = input_data; + insize = input_len; + inptr = 1; + return inbuf[0]; +} + +/* + * Write the output window window[0..outcnt-1] and update crc and bytes_out. + * (Used for the decompressed data only.) + */ +static void flush_window(void) +{ + ulg c = crc; /* temporary variable */ + unsigned n; + uch *in, *out, ch; + + in = window; + out = &output_data[output_ptr]; + for (n = 0; n < outcnt; n++) { + ch = *out++ = *in++; + c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); + } + crc = c; + bytes_out += (ulg)outcnt; + output_ptr += (ulg)outcnt; + outcnt = 0; +} + +static void error(char *x) +{ + puts("\nERROR\n"); + puts(x); + puts("\n\n -- System halted"); + + while (1) /* Halt */ + ; +} + +void decompress_kernel(void) +{ + output_data = (void *) (CONFIG_NIOS2_MEM_BASE | + CONFIG_NIOS2_KERNEL_REGION_BASE); + output_ptr = 0; + free_mem_ptr = (unsigned long)&_end; + free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; + + console_init(); + makecrc(); + puts("Uncompressing Linux... "); + gunzip(); + puts("Ok, booting the kernel.\n"); +} diff --git a/arch/nios2/boot/compressed/vmlinux.lds.S b/arch/nios2/boot/compressed/vmlinux.lds.S new file mode 100644 index 000000000..e867b3756 --- /dev/null +++ b/arch/nios2/boot/compressed/vmlinux.lds.S @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <asm-generic/vmlinux.lds.h> + +OUTPUT_FORMAT("elf32-littlenios2", "elf32-littlenios2", "elf32-littlenios2") + +OUTPUT_ARCH(nios) +ENTRY(_start) /* Defined in head.S */ + +SECTIONS +{ + . = (CONFIG_NIOS2_MEM_BASE + CONFIG_NIOS2_BOOT_LINK_OFFSET) | \ + CONFIG_NIOS2_KERNEL_REGION_BASE; + + _text = .; + .text : { *(.text) } = 0 + .rodata : { *(.rodata) *(.rodata.*) } + _etext = .; + + . = ALIGN(32 / 8); + .data : { *(.data) } + . = ALIGN(32 / 8); + _got = .; + .got : { + *(.got.plt) + *(.igot.plt) + *(.got) + *(.igot) + } + _egot = .; + _edata = .; + + . = ALIGN(32 / 8); + __bss_start = .; + .bss : { *(.bss) *(.sbss) } + . = ALIGN(32 / 8); + _ebss = .; + end = . ; + _end = . ; + + got_len = (_egot - _got); +} diff --git a/arch/nios2/boot/compressed/vmlinux.scr b/arch/nios2/boot/compressed/vmlinux.scr new file mode 100644 index 000000000..28c42f1d1 --- /dev/null +++ b/arch/nios2/boot/compressed/vmlinux.scr @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +SECTIONS +{ + .data : { + input_len = .; + LONG(input_data_end - input_data) input_data = .; + *(.data) + . = ALIGN(4); + input_data_end = .; + } +} diff --git a/arch/nios2/boot/dts/3c120_devboard.dts b/arch/nios2/boot/dts/3c120_devboard.dts new file mode 100644 index 000000000..31c51f9a2 --- /dev/null +++ b/arch/nios2/boot/dts/3c120_devboard.dts @@ -0,0 +1,164 @@ +/* + * Copyright (C) 2013 Altera Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * This file is generated by sopc2dts. + */ + +/dts-v1/; + +/ { + model = "altr,qsys_ghrd_3c120"; + compatible = "altr,qsys_ghrd_3c120"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu: cpu@0x0 { + device_type = "cpu"; + compatible = "altr,nios2-1.0"; + reg = <0x00000000>; + interrupt-controller; + #interrupt-cells = <1>; + clock-frequency = <125000000>; + dcache-line-size = <32>; + icache-line-size = <32>; + dcache-size = <32768>; + icache-size = <32768>; + altr,implementation = "fast"; + altr,pid-num-bits = <8>; + altr,tlb-num-ways = <16>; + altr,tlb-num-entries = <128>; + altr,tlb-ptr-sz = <7>; + altr,has-div = <1>; + altr,has-mul = <1>; + altr,reset-addr = <0xc2800000>; + altr,fast-tlb-miss-addr = <0xc7fff400>; + altr,exception-addr = <0xd0000020>; + altr,has-initda = <1>; + altr,has-mmu = <1>; + }; + }; + + memory@0 { + device_type = "memory"; + reg = <0x10000000 0x08000000>, + <0x07fff400 0x00000400>; + }; + + sopc@0 { + device_type = "soc"; + ranges; + #address-cells = <1>; + #size-cells = <1>; + compatible = "altr,avalon", "simple-bus"; + bus-frequency = <125000000>; + + pb_cpu_to_io: bridge@0x8000000 { + compatible = "simple-bus"; + reg = <0x08000000 0x00800000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x00002000 0x08002000 0x00002000>, + <0x00004000 0x08004000 0x00000400>, + <0x00004400 0x08004400 0x00000040>, + <0x00004800 0x08004800 0x00000040>, + <0x00004c80 0x08004c80 0x00000020>, + <0x00004d50 0x08004d50 0x00000008>, + <0x00008000 0x08008000 0x00000020>, + <0x00400000 0x08400000 0x00000020>; + + timer_1ms: timer@0x400000 { + compatible = "altr,timer-1.0"; + reg = <0x00400000 0x00000020>; + interrupt-parent = <&cpu>; + interrupts = <11>; + clock-frequency = <125000000>; + }; + + timer_0: timer@0x8000 { + compatible = "altr,timer-1.0"; + reg = < 0x00008000 0x00000020 >; + interrupt-parent = < &cpu >; + interrupts = < 5 >; + clock-frequency = < 125000000 >; + }; + + jtag_uart: serial@0x4d50 { + compatible = "altr,juart-1.0"; + reg = <0x00004d50 0x00000008>; + interrupt-parent = <&cpu>; + interrupts = <1>; + }; + + tse_mac: ethernet@0x4000 { + compatible = "altr,tse-1.0"; + reg = <0x00004000 0x00000400>, + <0x00004400 0x00000040>, + <0x00004800 0x00000040>, + <0x00002000 0x00002000>; + reg-names = "control_port", "rx_csr", "tx_csr", "s1"; + interrupt-parent = <&cpu>; + interrupts = <2 3>; + interrupt-names = "rx_irq", "tx_irq"; + rx-fifo-depth = <8192>; + tx-fifo-depth = <8192>; + max-frame-size = <1518>; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-mode = "rgmii-id"; + phy-handle = <&phy0>; + tse_mac_mdio: mdio { + compatible = "altr,tse-mdio"; + #address-cells = <1>; + #size-cells = <0>; + phy0: ethernet-phy@18 { + reg = <18>; + device_type = "ethernet-phy"; + }; + }; + }; + + uart: serial@0x4c80 { + compatible = "altr,uart-1.0"; + reg = <0x00004c80 0x00000020>; + interrupt-parent = <&cpu>; + interrupts = <10>; + current-speed = <115200>; + clock-frequency = <62500000>; + }; + }; + + cfi_flash_64m: flash@0x0 { + compatible = "cfi-flash"; + reg = <0x00000000 0x04000000>; + bank-width = <2>; + device-width = <1>; + #address-cells = <1>; + #size-cells = <1>; + + partition@800000 { + reg = <0x00800000 0x01e00000>; + label = "JFFS2 Filesystem"; + }; + }; + }; + + chosen { + bootargs = "debug console=ttyJ0,115200"; + }; +}; diff --git a/arch/nios2/boot/install.sh b/arch/nios2/boot/install.sh new file mode 100644 index 000000000..3cb3f468b --- /dev/null +++ b/arch/nios2/boot/install.sh @@ -0,0 +1,52 @@ +#!/bin/sh +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# Copyright (C) 1995 by Linus Torvalds +# +# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin +# +# "make install" script for nios2 architecture +# +# Arguments: +# $1 - kernel version +# $2 - kernel image file +# $3 - kernel map file +# $4 - default install path (blank if root directory) +# + +verify () { + if [ ! -f "$1" ]; then + echo "" 1>&2 + echo " *** Missing file: $1" 1>&2 + echo ' *** You need to run "make" before "make install".' 1>&2 + echo "" 1>&2 + exit 1 + fi +} + +# Make sure the files actually exist +verify "$2" +verify "$3" + +# User may have a custom install script + +if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi +if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi + +# Default install - same as make zlilo + +if [ -f $4/vmlinuz ]; then + mv $4/vmlinuz $4/vmlinuz.old +fi + +if [ -f $4/System.map ]; then + mv $4/System.map $4/System.old +fi + +cat $2 > $4/vmlinuz +cp $3 $4/System.map + +sync diff --git a/arch/nios2/boot/linked_dtb.S b/arch/nios2/boot/linked_dtb.S new file mode 100644 index 000000000..071f922db --- /dev/null +++ b/arch/nios2/boot/linked_dtb.S @@ -0,0 +1,19 @@ +/* + * Copyright (C) 2011 Thomas Chou <thomas@wytron.com.tw> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ +.section .dtb.init.rodata,"a" +.incbin "arch/nios2/boot/system.dtb" |