barebox openrisc support was merged in 2011. It hasn't seen very much active development since then and appears to have no active users. Remove the architecture. Along with it also remove the ethoc driver which depends on and is only used with openrisc. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- Documentation/boards/openrisc.rst | 57 --- arch/openrisc/Kconfig | 29 -- arch/openrisc/Makefile | 30 -- arch/openrisc/boards/generic/Makefile | 1 - arch/openrisc/boards/generic/config.h | 24 - arch/openrisc/boards/generic/env/config | 19 - arch/openrisc/boards/generic/generic.c | 10 - arch/openrisc/configs/generic_defconfig | 35 -- arch/openrisc/cpu/.gitignore | 1 - arch/openrisc/cpu/Makefile | 5 - arch/openrisc/cpu/barebox.lds.S | 78 --- arch/openrisc/cpu/cache.c | 151 ------ arch/openrisc/cpu/cpu.c | 38 -- arch/openrisc/cpu/exceptions.c | 84 ---- arch/openrisc/cpu/start.S | 358 -------------- arch/openrisc/dts/Makefile | 5 - arch/openrisc/dts/or1ksim.dts | 51 -- arch/openrisc/include/asm/bitops.h | 35 -- arch/openrisc/include/asm/bitops/ffs.h | 26 - arch/openrisc/include/asm/bitops/fls.h | 26 - arch/openrisc/include/asm/bitsperlong.h | 1 - arch/openrisc/include/asm/byteorder.h | 1 - arch/openrisc/include/asm/cache.h | 43 -- arch/openrisc/include/asm/common.h | 4 - arch/openrisc/include/asm/dma.h | 13 - arch/openrisc/include/asm/elf.h | 107 ----- arch/openrisc/include/asm/io.h | 24 - arch/openrisc/include/asm/mmu.h | 6 - arch/openrisc/include/asm/openrisc_exc.h | 37 -- arch/openrisc/include/asm/posix_types.h | 1 - arch/openrisc/include/asm/ptrace.h | 131 ----- arch/openrisc/include/asm/sections.h | 1 - arch/openrisc/include/asm/spr-defs.h | 578 ---------------------- arch/openrisc/include/asm/string.h | 4 - arch/openrisc/include/asm/swab.h | 4 - arch/openrisc/include/asm/system.h | 35 -- arch/openrisc/include/asm/types.h | 21 - arch/openrisc/include/asm/unaligned.h | 51 -- arch/openrisc/lib/Makefile | 8 - arch/openrisc/lib/ashldi3.S | 41 -- arch/openrisc/lib/ashrdi3.S | 55 --- arch/openrisc/lib/asm-offsets.c | 18 - arch/openrisc/lib/board.c | 31 -- arch/openrisc/lib/clock.c | 41 -- arch/openrisc/lib/cpuinfo.c | 200 -------- arch/openrisc/lib/dtb.c | 35 -- arch/openrisc/lib/lshrdi3.S | 41 -- arch/openrisc/lib/muldi3.S | 58 --- drivers/net/ethoc.c | 580 ----------------------- 49 files changed, 3233 deletions(-) delete mode 100644 Documentation/boards/openrisc.rst delete mode 100644 arch/openrisc/Kconfig delete mode 100644 arch/openrisc/Makefile delete mode 100644 arch/openrisc/boards/generic/Makefile delete mode 100644 arch/openrisc/boards/generic/config.h delete mode 100644 arch/openrisc/boards/generic/env/config delete mode 100644 arch/openrisc/boards/generic/generic.c delete mode 100644 arch/openrisc/configs/generic_defconfig delete mode 100644 arch/openrisc/cpu/.gitignore delete mode 100644 arch/openrisc/cpu/Makefile delete mode 100644 arch/openrisc/cpu/barebox.lds.S delete mode 100644 arch/openrisc/cpu/cache.c delete mode 100644 arch/openrisc/cpu/cpu.c delete mode 100644 arch/openrisc/cpu/exceptions.c delete mode 100644 arch/openrisc/cpu/start.S delete mode 100644 arch/openrisc/dts/Makefile delete mode 100644 arch/openrisc/dts/or1ksim.dts delete mode 100644 arch/openrisc/include/asm/bitops.h delete mode 100644 arch/openrisc/include/asm/bitops/ffs.h delete mode 100644 arch/openrisc/include/asm/bitops/fls.h delete mode 100644 arch/openrisc/include/asm/bitsperlong.h delete mode 100644 arch/openrisc/include/asm/byteorder.h delete mode 100644 arch/openrisc/include/asm/cache.h delete mode 100644 arch/openrisc/include/asm/common.h delete mode 100644 arch/openrisc/include/asm/dma.h delete mode 100644 arch/openrisc/include/asm/elf.h delete mode 100644 arch/openrisc/include/asm/io.h delete mode 100644 arch/openrisc/include/asm/mmu.h delete mode 100644 arch/openrisc/include/asm/openrisc_exc.h delete mode 100644 arch/openrisc/include/asm/posix_types.h delete mode 100644 arch/openrisc/include/asm/ptrace.h delete mode 100644 arch/openrisc/include/asm/sections.h delete mode 100644 arch/openrisc/include/asm/spr-defs.h delete mode 100644 arch/openrisc/include/asm/string.h delete mode 100644 arch/openrisc/include/asm/swab.h delete mode 100644 arch/openrisc/include/asm/system.h delete mode 100644 arch/openrisc/include/asm/types.h delete mode 100644 arch/openrisc/include/asm/unaligned.h delete mode 100644 arch/openrisc/lib/Makefile delete mode 100644 arch/openrisc/lib/ashldi3.S delete mode 100644 arch/openrisc/lib/ashrdi3.S delete mode 100644 arch/openrisc/lib/asm-offsets.c delete mode 100644 arch/openrisc/lib/board.c delete mode 100644 arch/openrisc/lib/clock.c delete mode 100644 arch/openrisc/lib/cpuinfo.c delete mode 100644 arch/openrisc/lib/dtb.c delete mode 100644 arch/openrisc/lib/lshrdi3.S delete mode 100644 arch/openrisc/lib/muldi3.S delete mode 100644 drivers/net/ethoc.c diff --git a/Documentation/boards/openrisc.rst b/Documentation/boards/openrisc.rst deleted file mode 100644 index f9d67f9650..0000000000 --- a/Documentation/boards/openrisc.rst +++ /dev/null @@ -1,57 +0,0 @@ -OpenRISC -======== - -or1ksim -------- - -Compile or1ksim emulator: - -.. code-block:: console - - $ cd ~/ - $ git clone https://github.com/openrisc/or1ksim - $ cd or1ksim - $ ./configure - $ make - -Create minimal or1ksim.cfg file: - -.. code-block:: none - - section cpu - ver = 0x12 - cfgr = 0x20 - rev = 0x0001 - end - - section memory - name = "RAM" - type = unknown - baseaddr = 0x00000000 - size = 0x02000000 - delayr = 1 - delayw = 2 - end - - section uart - enabled = 1 - baseaddr = 0x90000000 - irq = 2 - 16550 = 1 - /* channel = "tcp:10084" */ - channel = "xterm:" - end - - section ethernet - enabled = 1 - baseaddr = 0x92000000 - irq = 4 - rtx_type = "tap" - tap_dev = "tap0" - end - -Run or1ksim: - -.. code-block:: console - - $ ~/or1ksim/sim -f or1ksim.cfg barebox diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig deleted file mode 100644 index 32d23029d8..0000000000 --- a/arch/openrisc/Kconfig +++ /dev/null @@ -1,29 +0,0 @@ -config OPENRISC - bool - select OFTREE - select HAS_CACHE - select HAVE_CONFIGURABLE_MEMORY_LAYOUT - select GENERIC_FIND_NEXT_BIT - default y - -# not used -config ARCH_TEXT_BASE - hex - default 0x00000000 - -config BUILTIN_DTB - bool "link a DTB into the barebox image" - depends on OFTREE - -config BUILTIN_DTB_NAME - string "DTB to build into the barebox image" - depends on BUILTIN_DTB - -choice - prompt "Select your board" - -config GENERIC - bool "Generic" - select OPENRISC - -endchoice diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile deleted file mode 100644 index 72d7fa3d53..0000000000 --- a/arch/openrisc/Makefile +++ /dev/null @@ -1,30 +0,0 @@ -KBUILD_DEFCONFIG := generic_defconfig - -KBUILD_CPPFLAGS += -D__OR1K__ -ffixed-r10 -mhard-mul -mhard-div - -board-$(CONFIG_GENERIC) := generic - -KALLSYMS += --symbol-prefix=_ - -archprepare: maketools - -PHONY += maketools - -ifneq ($(board-y),) -BOARD := arch/openrisc/boards/$(board-y)/ -else -BOARD := -endif - -common-y += $(BOARD) -common-y += arch/openrisc/lib/ -common-y += arch/openrisc/cpu/ - -lds-y += arch/openrisc/cpu/barebox.lds - -common-$(CONFIG_BUILTIN_DTB) += arch/openrisc/dts/ - -dts := arch/openrisc/dts - -%.dtb: scripts - $(Q)$(MAKE) $(build)=$(dts) $(dts)/$@ diff --git a/arch/openrisc/boards/generic/Makefile b/arch/openrisc/boards/generic/Makefile deleted file mode 100644 index d8a3d7f2cc..0000000000 --- a/arch/openrisc/boards/generic/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-y += generic.o diff --git a/arch/openrisc/boards/generic/config.h b/arch/openrisc/boards/generic/config.h deleted file mode 100644 index f6a054beed..0000000000 --- a/arch/openrisc/boards/generic/config.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef _GENERIC_NAMES_H_ -#define _GENERIC_NAMES_H_ - -#define CONFIG_SYS_CLK_FREQ 50000000 - -#define OPENRISC_TIMER_FREQ CONFIG_SYS_CLK_FREQ - -#define OPENRISC_SOPC_MEMORY_BASE 0x00000000 -#define OPENRISC_SOPC_MEMORY_SIZE 0x02000000 - -/* We reserve 512K for barebox */ -#define BAREBOX_RESERVED_SIZE 0x80000 - -/* Barebox will be at top of main memory */ -#define OPENRISC_SOPC_TEXT_BASE (OPENRISC_SOPC_MEMORY_BASE + OPENRISC_SOPC_MEMORY_SIZE - BAREBOX_RESERVED_SIZE) - -/* -* TEXT_BASE is defined here because STACK_BASE definition -* in include/asm-generic/memory_layout.h uses this name -*/ - -#define TEXT_BASE OPENRISC_SOPC_TEXT_BASE - -#endif diff --git a/arch/openrisc/boards/generic/env/config b/arch/openrisc/boards/generic/env/config deleted file mode 100644 index 4027f2775f..0000000000 --- a/arch/openrisc/boards/generic/env/config +++ /dev/null @@ -1,19 +0,0 @@ -#!/bin/sh - -# can be either 'net' or 'flash' -kernel=flash -root=flash - -kernel_loc=nor - -# use 'dhcp' todo dhcp in barebox and in kernel -ip=none - -autoboot_timeout=3 - -nor_parts="256k(barebox),128k(env),4M(kernel),-(rootfs)" - -bootargs="console=ttyS0,9600" - -# set a fancy prompt (if support is compiled in) -PS1="\e[1;33mbarebox@\e[1;32mor32:\w\e[0m " diff --git a/arch/openrisc/boards/generic/generic.c b/arch/openrisc/boards/generic/generic.c deleted file mode 100644 index ff6f9f4d42..0000000000 --- a/arch/openrisc/boards/generic/generic.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <common.h> -#include <init.h> - -static int openrisc_core_init(void) -{ - barebox_set_hostname("or1k"); - - return 0; -} -core_initcall(openrisc_core_init); diff --git a/arch/openrisc/configs/generic_defconfig b/arch/openrisc/configs/generic_defconfig deleted file mode 100644 index 1f2d40eae9..0000000000 --- a/arch/openrisc/configs/generic_defconfig +++ /dev/null @@ -1,35 +0,0 @@ -CONFIG_BUILTIN_DTB=y -CONFIG_BUILTIN_DTB_NAME="or1ksim" -CONFIG_HUSH_FANCY_PROMPT=y -CONFIG_CMDLINE_EDITING=y -CONFIG_AUTO_COMPLETE=y -CONFIG_PARTITION=y -CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y -CONFIG_LONGHELP=y -CONFIG_CMD_IOMEM=y -CONFIG_CMD_MEMINFO=y -# CONFIG_CMD_BOOTM is not set -CONFIG_CMD_GO=y -CONFIG_CMD_RESET=y -CONFIG_CMD_PARTITION=y -CONFIG_CMD_EXPORT=y -CONFIG_CMD_PRINTENV=y -CONFIG_CMD_SAVEENV=y -CONFIG_CMD_DHCP=y -CONFIG_CMD_MIITOOL=y -CONFIG_CMD_PING=y -CONFIG_CMD_TFTP=y -CONFIG_CMD_ECHO_E=y -CONFIG_CMD_EDIT=y -CONFIG_CMD_TIMEOUT=y -CONFIG_CMD_FLASH=y -CONFIG_CMD_OF_NODE=y -CONFIG_CMD_OF_PROPERTY=y -CONFIG_CMD_OFTREE=y -CONFIG_CMD_TIME=y -CONFIG_NET=y -CONFIG_OFDEVICE=y -CONFIG_OF_BAREBOX_DRIVERS=y -CONFIG_DRIVER_SERIAL_NS16550=y -CONFIG_DRIVER_NET_ETHOC=y -CONFIG_FS_TFTP=y diff --git a/arch/openrisc/cpu/.gitignore b/arch/openrisc/cpu/.gitignore deleted file mode 100644 index d1165788c9..0000000000 --- a/arch/openrisc/cpu/.gitignore +++ /dev/null @@ -1 +0,0 @@ -barebox.lds diff --git a/arch/openrisc/cpu/Makefile b/arch/openrisc/cpu/Makefile deleted file mode 100644 index 1cd7506003..0000000000 --- a/arch/openrisc/cpu/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -obj-y += start.o -obj-y += cpu.o -obj-y += exceptions.o -obj-y += cache.o -extra-y += barebox.lds diff --git a/arch/openrisc/cpu/barebox.lds.S b/arch/openrisc/cpu/barebox.lds.S deleted file mode 100644 index adb0c22f85..0000000000 --- a/arch/openrisc/cpu/barebox.lds.S +++ /dev/null @@ -1,78 +0,0 @@ -/* - * barebox - barebox.lds.S - * - * 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. - * - */ - -#include <config.h> -#include <asm-generic/barebox.lds.h> - -OUTPUT_FORMAT("elf32-or1k", "elf32-or1k", "elf32-or1k") -__DYNAMIC = 0; - -MEMORY -{ - vectors : ORIGIN = 0, LENGTH = 0x2000 - ram : ORIGIN = TEXT_BASE, - LENGTH = BAREBOX_RESERVED_SIZE -} - -SECTIONS -{ - .vectors : - { - *(.vectors) - } > vectors - - . = ALIGN(4); - __start = .; - .text : AT (__start) { - _stext = .; - *(.text) - _etext = .; - *(.lit) - *(.shdata) - _endtext = .; - } > ram - - . = ALIGN(4); - .rodata : { - *(.rodata); - *(.rodata.*) - *(.bbenv.rodata.*) - RO_DATA_SECTION - } > ram - - __etext = .; /* End of text and rodata section */ - - . = ALIGN(4); - .data : { - sdata = .; - _sdata = .; - *(.data) - edata = .; - _edata = .; - } > ram - - . = ALIGN(4); - .bss : - { - __bss_start = .; - _bss_start = .; - *(.shbss) - *(.bss) - *(COMMON) - _bss_end = .; - __bss_stop = .; - } > ram - __end = .; -} diff --git a/arch/openrisc/cpu/cache.c b/arch/openrisc/cpu/cache.c deleted file mode 100644 index a124d6612c..0000000000 --- a/arch/openrisc/cpu/cache.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx> - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#include <common.h> -#include <init.h> -#include <asm/system.h> -#include <asm/cache.h> - -void flush_dcache_range(unsigned long addr, unsigned long stop) -{ - ulong block_size = (mfspr(SPR_DCCFGR) & SPR_DCCFGR_CBS) ? 32 : 16; - - while (addr < stop) { - mtspr(SPR_DCBFR, addr); - addr += block_size; - } -} - -void invalidate_dcache_range(unsigned long addr, unsigned long stop) -{ - ulong block_size = (mfspr(SPR_DCCFGR) & SPR_DCCFGR_CBS) ? 32 : 16; - - while (addr < stop) { - mtspr(SPR_DCBIR, addr); - addr += block_size; - } -} - -static void invalidate_icache_range(unsigned long addr, unsigned long stop) -{ - ulong block_size = (mfspr(SPR_ICCFGR) & SPR_ICCFGR_CBS) ? 32 : 16; - - while (addr < stop) { - mtspr(SPR_ICBIR, addr); - addr += block_size; - } -} - -void flush_cache(unsigned long addr, unsigned long size) -{ - flush_dcache_range(addr, addr + size); - invalidate_icache_range(addr, addr + size); -} - -int icache_status(void) -{ - return mfspr(SPR_SR) & SPR_SR_ICE; -} - -int checkicache(void) -{ - unsigned long iccfgr; - unsigned long cache_set_size; - unsigned long cache_ways; - unsigned long cache_block_size; - - iccfgr = mfspr(SPR_ICCFGR); - cache_ways = 1 << (iccfgr & SPR_ICCFGR_NCW); - cache_set_size = 1 << ((iccfgr & SPR_ICCFGR_NCS) >> 3); - cache_block_size = (iccfgr & SPR_ICCFGR_CBS) ? 32 : 16; - - return cache_set_size * cache_ways * cache_block_size; -} - -int dcache_status(void) -{ - return mfspr(SPR_SR) & SPR_SR_DCE; -} - -int checkdcache(void) -{ - unsigned long dccfgr; - unsigned long cache_set_size; - unsigned long cache_ways; - unsigned long cache_block_size; - - dccfgr = mfspr(SPR_DCCFGR); - cache_ways = 1 << (dccfgr & SPR_DCCFGR_NCW); - cache_set_size = 1 << ((dccfgr & SPR_DCCFGR_NCS) >> 3); - cache_block_size = (dccfgr & SPR_DCCFGR_CBS) ? 32 : 16; - - return cache_set_size * cache_ways * cache_block_size; -} - -void dcache_enable(void) -{ - mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_DCE); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); -} - -void dcache_disable(void) -{ - mtspr(SPR_SR, mfspr(SPR_SR) & ~SPR_SR_DCE); -} - -void icache_enable(void) -{ - mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_ICE); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); - asm volatile("l.nop"); -} - -void icache_disable(void) -{ - mtspr(SPR_SR, mfspr(SPR_SR) & ~SPR_SR_ICE); -} - -static int cache_init(void) -{ - if (mfspr(SPR_UPR) & SPR_UPR_ICP) { - icache_disable(); - invalidate_icache_range(0, checkicache()); - icache_enable(); - } - - if (mfspr(SPR_UPR) & SPR_UPR_DCP) { - dcache_disable(); - invalidate_dcache_range(0, checkdcache()); - dcache_enable(); - } - - return 0; -} - -core_initcall(cache_init); diff --git a/arch/openrisc/cpu/cpu.c b/arch/openrisc/cpu/cpu.c deleted file mode 100644 index 47d8ab4288..0000000000 --- a/arch/openrisc/cpu/cpu.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx> - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#include <common.h> -#include <init.h> -#include <restart.h> -#include <asm/system.h> -#include <asm/openrisc_exc.h> - -extern void __reset(void); - -static void __noreturn openrisc_restart_cpu(struct restart_handler *rst) -{ - __reset(); - /* not reached, __reset does not return */ - - /* Not reached */ - hang(); -} - -static int restart_register_feature(void) -{ - return restart_handler_register_fn("vector", openrisc_restart_cpu); -} -coredevice_initcall(restart_register_feature); diff --git a/arch/openrisc/cpu/exceptions.c b/arch/openrisc/cpu/exceptions.c deleted file mode 100644 index c69ceafe80..0000000000 --- a/arch/openrisc/cpu/exceptions.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx> - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#include <common.h> -#include <asm/system.h> -#include <asm/openrisc_exc.h> - -static const char * const excp_table[] = { - "Unknown exception", - "Reset", - "Bus Error", - "Data Page Fault", - "Instruction Page Fault", - "Tick Timer", - "Alignment", - "Illegal Instruction", - "External Interrupt", - "D-TLB Miss", - "I-TLB Miss", - "Range", - "System Call", - "Floating Point", - "Trap", -}; - -static void (*handlers[32])(void); - -void exception_install_handler(int exception, void (*handler)(void)) -{ - if (exception < 0 || exception > 31) - return; - - handlers[exception] = handler; -} - -void exception_free_handler(int exception) -{ - if (exception < 0 || exception > 31) - return; - - handlers[exception] = 0; -} - -static void exception_hang(int vect) -{ - printf("Unhandled exception at 0x%x ", vect & 0xff00); - - vect = ((vect >> 8) & 0xff); - if (vect < ARRAY_SIZE(excp_table)) - printf("(%s)\n", excp_table[vect]); - else - printf("(%s)\n", excp_table[0]); - - printf("EPCR: 0x%08lx\n", mfspr(SPR_EPCR_BASE)); - printf("EEAR: 0x%08lx\n", mfspr(SPR_EEAR_BASE)); - printf("ESR: 0x%08lx\n", mfspr(SPR_ESR_BASE)); - hang(); -} - -/* Called from assembly */ -void exception_handler(int vect); - -void exception_handler(int vect) -{ - int exception = vect >> 8; - - if (handlers[exception]) - handlers[exception](); - else - exception_hang(vect); -} diff --git a/arch/openrisc/cpu/start.S b/arch/openrisc/cpu/start.S deleted file mode 100644 index 7ac790b055..0000000000 --- a/arch/openrisc/cpu/start.S +++ /dev/null @@ -1,358 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx> - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#include <config.h> -#include <asm-generic/memory_layout.h> -#include <asm/spr-defs.h> - -#define EXCEPTION_STACK_SIZE (128+128) - -#define HANDLE_EXCEPTION \ - l.addi r1, r1, -EXCEPTION_STACK_SIZE ;\ - l.sw 0x1c(r1), r9 ;\ - l.jal _exception_handler ;\ - l.nop ;\ - l.lwz r9, 0x1c(r1) ;\ - l.addi r1, r1, EXCEPTION_STACK_SIZE ;\ - l.rfe ;\ - l.nop - - .section .vectors, "ax" - .global __reset - - /* reset */ - .org 0x100 -__reset: - /* there is no guarantee r0 is hardwired to zero, clear it here */ - l.andi r0, r0, 0 - /* reset stack and frame pointers */ - l.andi r1, r0, 0 - l.andi r2, r0, 0 - - /* set supervisor mode */ - l.ori r3,r0,SPR_SR_SM - l.mtspr r0,r3,SPR_SR - - l.jal _cur - l.nop -_cur: - l.ori r8, r9, 0 /* Get _cur current address */ - - l.movhi r3, hi(_cur) - l.ori r3, r3, lo(_cur) - l.sfeq r8, r3 /* If we are running at the linked address */ - l.bf _no_vector_reloc /* there is not need for relocation */ - l.sub r8, r8, r3 - - l.mfspr r4, r0, SPR_CPUCFGR - l.andi r4, r4, SPR_CPUCFGR_EVBARP /* Exception Vector Base Address Register present ? */ - l.sfnei r4,0 - l.bnf _reloc_vectors - l.movhi r5, 0 /* Destination */ - - l.mfspr r4, r0, SPR_EVBAR - l.add r5, r5, r4 - -_reloc_vectors: - /* Relocate vectors*/ - l.movhi r6, hi(__start) /* Length */ - l.ori r6, r6, lo(__start) - l.ori r3, r8, 0 - -.L_relocvectors: - l.lwz r7, 0(r3) - l.sw 0(r5), r7 - l.addi r5, r5, 4 - l.sfeq r5, r6 - l.bnf .L_relocvectors - l.addi r3, r3, 4 - -_no_vector_reloc: - - /* Relocate barebox */ - l.movhi r3,hi(__start) /* source start offset */ - l.ori r3,r3,lo(__start) - l.add r3,r8,r3 - - l.movhi r4,hi(_stext) /* dest start address */ - l.ori r4,r4,lo(_stext) - l.movhi r5,hi(__end) /* dest end address */ - l.ori r5,r5,lo(__end) - -.L_reloc: - l.lwz r6,0(r3) - l.sw 0(r4),r6 - l.addi r3,r3,4 - l.sfltu r4,r5 - l.bf .L_reloc - l.addi r4,r4,4 /*delay slot */ - - /* JUMP TO RELOC ADDR */ - l.movhi r4, hi(_start) - l.ori r4, r4, lo(_start) - l.jr r4 - l.nop - - /* bus error */ - .org 0x200 - HANDLE_EXCEPTION - - /* data page fault */ - .org 0x300 - HANDLE_EXCEPTION - - /* instruction page fault */ - .org 0x400 - HANDLE_EXCEPTION - - /* tick timer */ - .org 0x500 - HANDLE_EXCEPTION - - /* alignment */ - .org 0x600 - HANDLE_EXCEPTION - - /* illegal instruction */ - .org 0x700 - HANDLE_EXCEPTION - - /* external interrupt */ - .org 0x800 - HANDLE_EXCEPTION - - /* D-TLB miss */ - .org 0x900 - HANDLE_EXCEPTION - - /* I-TLB miss */ - .org 0xa00 - HANDLE_EXCEPTION - - /* range */ - .org 0xb00 - HANDLE_EXCEPTION - - /* system call */ - .org 0xc00 - HANDLE_EXCEPTION - - /* floating point */ - .org 0xd00 - HANDLE_EXCEPTION - - /* trap */ - .org 0xe00 - HANDLE_EXCEPTION - - /* reserved */ - .org 0xf00 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1100 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1200 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1300 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1400 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1500 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1600 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1700 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1800 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1900 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1a00 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1b00 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1c00 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1d00 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1e00 - HANDLE_EXCEPTION - - /* reserved */ - .org 0x1f00 - HANDLE_EXCEPTION - - /* Startup routine */ - .text - .global _start -_start: - /* Init stack and frame pointers */ - l.movhi r1, hi(STACK_BASE) - l.ori r1, r1, lo(STACK_BASE) - l.or r2, r0, r1 - - /* clear BSS segments */ - l.movhi r4, hi(_bss_start) - l.ori r4, r4, lo(_bss_start) - l.movhi r5, hi(_bss_end) - l.ori r5, r5, lo(_bss_end) -.L_clear_bss: - l.sw 0(r4), r0 - l.sfltu r4,r5 - l.bf .L_clear_bss - l.addi r4,r4,4 - - /* Reset registers before jumping to board_init */ - l.andi r3, r0, 0 - l.andi r4, r0, 0 - l.andi r5, r0, 0 - l.andi r6, r0, 0 - l.andi r7, r0, 0 - l.andi r8, r0, 0 - l.andi r9, r0, 0 - l.andi r10, r0, 0 - l.andi r11, r0, 0 - l.andi r12, r0, 0 - l.andi r13, r0, 0 - l.andi r14, r0, 0 - l.andi r15, r0, 0 - l.andi r17, r0, 0 - l.andi r18, r0, 0 - l.andi r19, r0, 0 - l.andi r20, r0, 0 - l.andi r21, r0, 0 - l.andi r22, r0, 0 - l.andi r23, r0, 0 - l.andi r24, r0, 0 - l.andi r25, r0, 0 - l.andi r26, r0, 0 - l.andi r27, r0, 0 - l.andi r28, r0, 0 - l.andi r29, r0, 0 - l.andi r30, r0, 0 - l.andi r31, r0, 0 - - l.j openrisc_start_barebox - l.nop - - .size _start, .-_start - -/* - * Store state onto stack and call the real exception handler - */ - .section .text - .extern exception_handler - .type _exception_handler,@function - -_exception_handler: - /* Store state (r9 already saved)*/ - l.sw 0x00(r1), r2 - l.sw 0x04(r1), r3 - l.sw 0x08(r1), r4 - l.sw 0x0c(r1), r5 - l.sw 0x10(r1), r6 - l.sw 0x14(r1), r7 - l.sw 0x18(r1), r8 - l.sw 0x20(r1), r10 - l.sw 0x24(r1), r11 - l.sw 0x28(r1), r12 - l.sw 0x2c(r1), r13 - l.sw 0x30(r1), r14 - l.sw 0x34(r1), r15 - l.sw 0x38(r1), r16 - l.sw 0x3c(r1), r17 - l.sw 0x40(r1), r18 - l.sw 0x44(r1), r19 - l.sw 0x48(r1), r20 - l.sw 0x4c(r1), r21 - l.sw 0x50(r1), r22 - l.sw 0x54(r1), r23 - l.sw 0x58(r1), r24 - l.sw 0x5c(r1), r25 - l.sw 0x60(r1), r26 - l.sw 0x64(r1), r27 - l.sw 0x68(r1), r28 - l.sw 0x6c(r1), r29 - l.sw 0x70(r1), r30 - l.sw 0x74(r1), r31 - - /* Save return address */ - l.or r14, r0, r9 - /* Call exception handler with the link address as argument */ - l.jal exception_handler - l.or r3, r0, r14 - /* Load return address */ - l.or r9, r0, r14 - - /* Restore state */ - l.lwz r2, 0x00(r1) - l.lwz r3, 0x04(r1) - l.lwz r4, 0x08(r1) - l.lwz r5, 0x0c(r1) - l.lwz r6, 0x10(r1) - l.lwz r7, 0x14(r1) - l.lwz r8, 0x18(r1) - l.lwz r10, 0x20(r1) - l.lwz r11, 0x24(r1) - l.lwz r12, 0x28(r1) - l.lwz r13, 0x2c(r1) - l.lwz r14, 0x30(r1) - l.lwz r15, 0x34(r1) - l.lwz r16, 0x38(r1) - l.lwz r17, 0x3c(r1) - l.lwz r18, 0x40(r1) - l.lwz r19, 0x44(r1) - l.lwz r20, 0x48(r1) - l.lwz r21, 0x4c(r1) - l.lwz r22, 0x50(r1) - l.lwz r23, 0x54(r1) - l.lwz r24, 0x58(r1) - l.lwz r25, 0x5c(r1) - l.lwz r26, 0x60(r1) - l.lwz r27, 0x64(r1) - l.lwz r28, 0x68(r1) - l.lwz r29, 0x6c(r1) - l.lwz r30, 0x70(r1) - l.lwz r31, 0x74(r1) - l.jr r9 - l.nop diff --git a/arch/openrisc/dts/Makefile b/arch/openrisc/dts/Makefile deleted file mode 100644 index 6d6c9a3ce0..0000000000 --- a/arch/openrisc/dts/Makefile +++ /dev/null @@ -1,5 +0,0 @@ - -BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_NAME)) -obj-$(CONFIG_BUILTIN_DTB) += $(BUILTIN_DTB).dtb.o - -clean-files := *.dtb *.dtb.S diff --git a/arch/openrisc/dts/or1ksim.dts b/arch/openrisc/dts/or1ksim.dts deleted file mode 100644 index 7316cc6770..0000000000 --- a/arch/openrisc/dts/or1ksim.dts +++ /dev/null @@ -1,51 +0,0 @@ -/dts-v1/; -/ { - model = "or1ksim"; - compatible = "opencores,or1ksim"; - #address-cells = <1>; - #size-cells = <1>; - interrupt-parent = <&pic>; - - chosen { - bootargs = "console=uart,mmio,0x90000000,115200"; - }; - - memory { - device_type = "memory"; - reg = <0x00000000 0x02000000>; - }; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - cpu@0 { - compatible = "opencores,or1200-rtlsvn481"; - reg = <0>; - clock-frequency = <20000000>; - }; - }; - - /* - * OR1K PIC is built into CPU and accessed via special purpose - * registers. It is not addressable and, hence, has no 'reg' - * property. - */ - pic: pic { - compatible = "opencores,or1k-pic"; - #interrupt-cells = <1>; - interrupt-controller; - }; - - serial0: serial@90000000 { - compatible = "ns16550a"; - reg = <0x90000000 0x100>; - interrupts = <2>; - clock-frequency = <50000000>; - }; - - enet0: ethoc@92000000 { - compatible = "opencores,ethoc"; - reg = <0x92000000 0x100>; - interrupts = <4>; - }; -}; diff --git a/arch/openrisc/include/asm/bitops.h b/arch/openrisc/include/asm/bitops.h deleted file mode 100644 index e77ab83202..0000000000 --- a/arch/openrisc/include/asm/bitops.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * 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. - * - * - */ - -#ifndef _ASM_BITOPS_H_ -#define _ASM_BITOPS_H_ - -#include <asm-generic/bitops/__ffs.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/ffs.h> -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/ffz.h> -#include <asm-generic/bitops/hweight.h> -#include <asm-generic/bitops/fls64.h> -#include <asm-generic/bitops/find.h> -#include <asm-generic/bitops/ops.h> - -#define set_bit(x, y) __set_bit(x, y) -#define clear_bit(x, y) __clear_bit(x, y) -#define change_bit(x, y) __change_bit(x, y) -#define test_and_set_bit(x, y) __test_and_set_bit(x, y) -#define test_and_clear_bit(x, y) __test_and_clear_bit(x, y) -#define test_and_change_bit(x, y) __test_and_change_bit(x, y) - -#endif /* _ASM_BITOPS_H_ */ diff --git a/arch/openrisc/include/asm/bitops/ffs.h b/arch/openrisc/include/asm/bitops/ffs.h deleted file mode 100644 index 1de5295816..0000000000 --- a/arch/openrisc/include/asm/bitops/ffs.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * OpenRISC Linux - * - * Copyright (C) 2010-2011 Jonas Bonn <jonas@xxxxxxxxxxxx> - * - * 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. - */ - -#ifndef __ASM_OPENRISC_FFS_H -#define __ASM_OPENRISC_FFS_H - -static inline int ffs(int x) -{ - int ret; - - __asm__ ("l.ff1 %0,%1" - : "=r" (ret) - : "r" (x)); - - return ret; -} - -#endif /* __ASM_OPENRISC_FFS_H */ diff --git a/arch/openrisc/include/asm/bitops/fls.h b/arch/openrisc/include/asm/bitops/fls.h deleted file mode 100644 index 8c77c13776..0000000000 --- a/arch/openrisc/include/asm/bitops/fls.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * OpenRISC Linux - * - * Copyright (C) 2010-2011 Jonas Bonn <jonas@xxxxxxxxxxxx> - * - * 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. - */ - -#ifndef __ASM_OPENRISC_FLS_H -#define __ASM_OPENRISC_FLS_H - -static inline int fls(int x) -{ - int ret; - - __asm__ ("l.fl1 %0,%1" - : "=r" (ret) - : "r" (x)); - - return ret; -} - -#endif /* __ASM_OPENRISC_FLS_H */ diff --git a/arch/openrisc/include/asm/bitsperlong.h b/arch/openrisc/include/asm/bitsperlong.h deleted file mode 100644 index 6dc0bb0c13..0000000000 --- a/arch/openrisc/include/asm/bitsperlong.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/bitsperlong.h> diff --git a/arch/openrisc/include/asm/byteorder.h b/arch/openrisc/include/asm/byteorder.h deleted file mode 100644 index 60d14f7e14..0000000000 --- a/arch/openrisc/include/asm/byteorder.h +++ /dev/null @@ -1 +0,0 @@ -#include <linux/byteorder/big_endian.h> diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h deleted file mode 100644 index 5dee26b190..0000000000 --- a/arch/openrisc/include/asm/cache.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#ifndef __ASM_OPENRISC_CACHE_H_ -#define __ASM_OPENRISC_CACHE_H_ - -void flush_dcache_range(unsigned long addr, unsigned long stop); -void invalidate_dcache_range(unsigned long addr, unsigned long stop); -void flush_cache(unsigned long addr, unsigned long size); -int icache_status(void); -int checkicache(void); -int dcache_status(void); -int checkdcache(void); -void dcache_enable(void); -void dcache_disable(void); -void icache_enable(void); -void icache_disable(void); - -/* - * Valid L1 data cache line sizes for the OpenRISC architecture are - * 16 and 32 bytes. - * If the board configuration has not specified one we default to the - * largest of these values for alignment of DMA buffers. - */ -#ifdef CONFIG_SYS_CACHELINE_SIZE -#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE -#else -#define ARCH_DMA_MINALIGN 32 -#endif - -#endif /* __ASM_OPENRISC_CACHE_H_ */ diff --git a/arch/openrisc/include/asm/common.h b/arch/openrisc/include/asm/common.h deleted file mode 100644 index 027dca2d56..0000000000 --- a/arch/openrisc/include/asm/common.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef _ASM_COMMON_H -#define __ASM_COMMON_H - -#endif /* _ASM_COMMON_H */ diff --git a/arch/openrisc/include/asm/dma.h b/arch/openrisc/include/asm/dma.h deleted file mode 100644 index 27d269f491..0000000000 --- a/arch/openrisc/include/asm/dma.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * Copyright (C) 2012 by Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> - * - * This file is released under the GPLv2 - * - */ - -#ifndef __ASM_DMA_H -#define __ASM_DMA_H - -/* empty */ - -#endif /* __ASM_DMA_H */ diff --git a/arch/openrisc/include/asm/elf.h b/arch/openrisc/include/asm/elf.h deleted file mode 100644 index 6a134a5723..0000000000 --- a/arch/openrisc/include/asm/elf.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * OpenRISC Linux - * - * Linux architectural port borrowing liberally from similar works of - * others. All original copyrights apply as per the original source - * declaration. - * - * OpenRISC implementation: - * Copyright (C) 2003 Matjaz Breskvar <phoenix@xxxxxxxxx> - * Copyright (C) 2010-2011 Jonas Bonn <jonas@xxxxxxxxxxxx> - * et al. - * - * 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. - */ - -#ifndef __ASM_OPENRISC_ELF_H -#define __ASM_OPENRISC_ELF_H - -/* - * ELF register definitions.. - */ -#include <linux/types.h> -#include <asm/ptrace.h> - -/* The OR1K relocation types... not all relevant for module loader */ -#define R_OR32_NONE 0 -#define R_OR32_32 1 -#define R_OR32_16 2 -#define R_OR32_8 3 -#define R_OR32_CONST 4 -#define R_OR32_CONSTH 5 -#define R_OR32_JUMPTARG 6 -#define R_OR32_VTINHERIT 7 -#define R_OR32_VTENTRY 8 - -typedef unsigned long elf_greg_t; - -/* - * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is - * thus exposed to user-space. - */ -#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) -typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -/* A placeholder; OR32 does not have fp support yes, so no fp regs for now. */ -typedef unsigned long elf_fpregset_t; - -/* This should be moved to include/linux/elf.h */ -#define EM_OR32 0x8472 -#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ - -/* - * These are used to set parameters in the core dumps. - */ -#define ELF_ARCH EM_OR32 -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2MSB - -#ifdef __KERNEL__ - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ - -#define elf_check_arch(x) \ - (((x)->e_machine == EM_OR32) || ((x)->e_machine == EM_OPENRISC)) - -/* This is the location that an ET_DYN program is loaded if exec'ed. Typical - use of this is to invoke "./ld.so someprog" to test out a new version of - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -#define ELF_ET_DYN_BASE (0x08000000) - -/* - * Enable dump using regset. - * This covers all of general/DSP/FPU regs. - */ -#define CORE_DUMP_USE_REGSET - -#define ELF_EXEC_PAGESIZE 8192 - -extern void dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt); -#define ELF_CORE_COPY_REGS(dest, regs) dump_elf_thread(dest, regs); - -/* This yields a mask that user programs can use to figure out what - instruction set this cpu supports. This could be done in userspace, - but it's not easy, and we've already done it here. */ - -#define ELF_HWCAP (0) - -/* This yields a string that ld.so will use to load implementation - specific libraries for optimization. This is more specific in - intent than poking at uname or /proc/cpuinfo. - - For the moment, we have only optimizations for the Intel generations, - but that could change... */ - -#define ELF_PLATFORM (NULL) - -#define SET_PERSONALITY(ex) set_personality(PER_LINUX) - -#endif /* __KERNEL__ */ -#endif diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h deleted file mode 100644 index 05580bd193..0000000000 --- a/arch/openrisc/include/asm/io.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#ifndef __ASM_OPENRISC_IO_H -#define __ASM_OPENRISC_IO_H - -#define IO_SPACE_LIMIT 0x0 - -#include <asm/byteorder.h> -#include <asm-generic/io.h> - -#endif diff --git a/arch/openrisc/include/asm/mmu.h b/arch/openrisc/include/asm/mmu.h deleted file mode 100644 index 95af871420..0000000000 --- a/arch/openrisc/include/asm/mmu.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_MMU_H -#define __ASM_MMU_H - -#define MAP_ARCH_DEFAULT MAP_UNCACHED - -#endif /* __ASM_MMU_H */ diff --git a/arch/openrisc/include/asm/openrisc_exc.h b/arch/openrisc/include/asm/openrisc_exc.h deleted file mode 100644 index 58d677e6d1..0000000000 --- a/arch/openrisc/include/asm/openrisc_exc.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#ifndef _OPENRISC_EXC_H_ -#define _OPENRISC_EXC_H_ - -#define EXC_RESET 0x01 -#define EXC_BUS_ERROR 0x02 -#define EXC_DATA_PAGE_FAULT 0x03 -#define EXC_INSTR_PAGE_FAULT 0x04 -#define EXC_TIMER 0x05 -#define EXC_ALIGNMENT 0x06 -#define EXC_ILLEGAL_INSTR 0x07 -#define EXC_EXT_IRQ 0x08 -#define EXC_DTLB_MISS 0x09 -#define EXC_ITLB_MISS 0x0a -#define EXC_RANGE 0x0b -#define EXC_SYSCALL 0x0c -#define EXC_FLOAT_POINT 0x0d -#define EXC_TRAP 0x0e - -void exception_install_handler(int exception, void (*handler)(void)); -void exception_free_handler(int exception); - -#endif diff --git a/arch/openrisc/include/asm/posix_types.h b/arch/openrisc/include/asm/posix_types.h deleted file mode 100644 index 22cae6230c..0000000000 --- a/arch/openrisc/include/asm/posix_types.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/posix_types.h> diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h deleted file mode 100644 index ffdea52925..0000000000 --- a/arch/openrisc/include/asm/ptrace.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * OpenRISC Linux - * - * Linux architectural port borrowing liberally from similar works of - * others. All original copyrights apply as per the original source - * declaration. - * - * OpenRISC implementation: - * Copyright (C) 2003 Matjaz Breskvar <phoenix@xxxxxxxxx> - * Copyright (C) 2010-2011 Jonas Bonn <jonas@xxxxxxxxxxxx> - * et al. - * - * 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. - */ - -#ifndef __ASM_OPENRISC_PTRACE_H -#define __ASM_OPENRISC_PTRACE_H - -#include <asm/spr-defs.h> - -#ifndef __ASSEMBLY__ -/* - * This is the layout of the regset returned by the GETREGSET ptrace call - */ -struct user_regs_struct { - /* GPR R0-R31... */ - unsigned long gpr[32]; - unsigned long pc; - unsigned long sr; - unsigned long pad1; - unsigned long pad2; -}; -#endif - -#ifdef __KERNEL__ - -/* - * Make kernel PTrace/register structures opaque to userspace... userspace can - * access thread state via the regset mechanism. This allows us a bit of - * flexibility in how we order the registers on the stack, permitting some - * optimizations like packing call-clobbered registers together so that - * they share a cacheline (not done yet, though... future optimization). - */ - -#ifndef __ASSEMBLY__ -/* - * This struct describes how the registers are laid out on the kernel stack - * during a syscall or other kernel entry. - * - * This structure should always be cacheline aligned on the stack. - * FIXME: I don't think that's the case right now. The alignment is - * taken care of elsewhere... head.S, process.c, etc. - */ - -struct pt_regs { - union { - struct { - /* Named registers */ - long sr; /* Stored in place of r0 */ - long sp; /* r1 */ - }; - struct { - /* Old style */ - long offset[2]; - long gprs[30]; - }; - struct { - /* New style */ - long gpr[32]; - }; - }; - long pc; - long orig_gpr11; /* For restarting system calls */ - long syscallno; /* Syscall number (used by strace) */ - long dummy; /* Cheap alignment fix */ -}; -#endif /* __ASSEMBLY__ */ - -/* TODO: Rename this to REDZONE because that's what it is */ -#define STACK_FRAME_OVERHEAD 128 /* size of minimum stack frame */ - -#define instruction_pointer(regs) ((regs)->pc) -#define user_mode(regs) (((regs)->sr & SPR_SR_SM) == 0) -#define user_stack_pointer(regs) ((unsigned long)(regs)->sp) -#define profile_pc(regs) instruction_pointer(regs) - -/* - * Offsets used by 'ptrace' system call interface. - */ -#define PT_SR 0 -#define PT_SP 4 -#define PT_GPR2 8 -#define PT_GPR3 12 -#define PT_GPR4 16 -#define PT_GPR5 20 -#define PT_GPR6 24 -#define PT_GPR7 28 -#define PT_GPR8 32 -#define PT_GPR9 36 -#define PT_GPR10 40 -#define PT_GPR11 44 -#define PT_GPR12 48 -#define PT_GPR13 52 -#define PT_GPR14 56 -#define PT_GPR15 60 -#define PT_GPR16 64 -#define PT_GPR17 68 -#define PT_GPR18 72 -#define PT_GPR19 76 -#define PT_GPR20 80 -#define PT_GPR21 84 -#define PT_GPR22 88 -#define PT_GPR23 92 -#define PT_GPR24 96 -#define PT_GPR25 100 -#define PT_GPR26 104 -#define PT_GPR27 108 -#define PT_GPR28 112 -#define PT_GPR29 116 -#define PT_GPR30 120 -#define PT_GPR31 124 -#define PT_PC 128 -#define PT_ORIG_GPR11 132 -#define PT_SYSCALLNO 136 - -#endif /* __KERNEL__ */ - -#endif /* __ASM_OPENRISC_PTRACE_H */ diff --git a/arch/openrisc/include/asm/sections.h b/arch/openrisc/include/asm/sections.h deleted file mode 100644 index 2b8c516038..0000000000 --- a/arch/openrisc/include/asm/sections.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/sections.h> diff --git a/arch/openrisc/include/asm/spr-defs.h b/arch/openrisc/include/asm/spr-defs.h deleted file mode 100644 index b3b08db4d0..0000000000 --- a/arch/openrisc/include/asm/spr-defs.h +++ /dev/null @@ -1,578 +0,0 @@ -/* - * SPR Definitions - * - * Copyright (C) 2000 Damjan Lampret - * Copyright (C) 2003 Matjaz Breskvar <phoenix@xxxxxxxxx> - * Copyright (C) 2008, 2010 Embecosm Limited - * Copyright (C) 2010-2011 Jonas Bonn <jonas@xxxxxxxxxxxx> - * et al. - * - * 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 file is part of OpenRISC 1000 Architectural Simulator. - */ - -#ifndef SPR_DEFS__H -#define SPR_DEFS__H - -/* Definition of special-purpose registers (SPRs) */ - -#define MAX_GRPS (32) -#define MAX_SPRS_PER_GRP_BITS (11) -#define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS) -#define MAX_SPRS (0x10000) - -/* Base addresses for the groups */ -#define SPRGROUP_SYS (0 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_DMMU (1 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_IMMU (2 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_DC (3 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_IC (4 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_MAC (5 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_D (6 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_PC (7 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_PM (8 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_PIC (9 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_TT (10 << MAX_SPRS_PER_GRP_BITS) -#define SPRGROUP_FP (11 << MAX_SPRS_PER_GRP_BITS) - -/* System control and status group */ -#define SPR_VR (SPRGROUP_SYS + 0) -#define SPR_UPR (SPRGROUP_SYS + 1) -#define SPR_CPUCFGR (SPRGROUP_SYS + 2) -#define SPR_DMMUCFGR (SPRGROUP_SYS + 3) -#define SPR_IMMUCFGR (SPRGROUP_SYS + 4) -#define SPR_DCCFGR (SPRGROUP_SYS + 5) -#define SPR_ICCFGR (SPRGROUP_SYS + 6) -#define SPR_DCFGR (SPRGROUP_SYS + 7) -#define SPR_PCCFGR (SPRGROUP_SYS + 8) -#define SPR_VR2 (SPRGROUP_SYS + 9) -#define SPR_AVR (SPRGROUP_SYS + 10) -#define SPR_EVBAR (SPRGROUP_SYS + 11) -#define SPR_AECR (SPRGROUP_SYS + 12) -#define SPR_AESR (SPRGROUP_SYS + 13) -#define SPR_NPC (SPRGROUP_SYS + 16) -#define SPR_SR (SPRGROUP_SYS + 17) -#define SPR_PPC (SPRGROUP_SYS + 18) -#define SPR_FPCSR (SPRGROUP_SYS + 20) -#define SPR_EPCR_BASE (SPRGROUP_SYS + 32) -#define SPR_EPCR_LAST (SPRGROUP_SYS + 47) -#define SPR_EEAR_BASE (SPRGROUP_SYS + 48) -#define SPR_EEAR_LAST (SPRGROUP_SYS + 63) -#define SPR_ESR_BASE (SPRGROUP_SYS + 64) -#define SPR_ESR_LAST (SPRGROUP_SYS + 79) -#define SPR_GPR_BASE (SPRGROUP_SYS + 1024) - -/* Data MMU group */ -#define SPR_DMMUCR (SPRGROUP_DMMU + 0) -#define SPR_DTLBEIR (SPRGROUP_DMMU + 2) -#define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x100) -#define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x27f + (WAY) * 0x100) -#define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x280 + (WAY) * 0x100) -#define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x100) - -/* Instruction MMU group */ -#define SPR_IMMUCR (SPRGROUP_IMMU + 0) -#define SPR_ITLBEIR (SPRGROUP_IMMU + 2) -#define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x100) -#define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x27f + (WAY) * 0x100) -#define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x280 + (WAY) * 0x100) -#define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x100) - -/* Data cache group */ -#define SPR_DCCR (SPRGROUP_DC + 0) -#define SPR_DCBPR (SPRGROUP_DC + 1) -#define SPR_DCBFR (SPRGROUP_DC + 2) -#define SPR_DCBIR (SPRGROUP_DC + 3) -#define SPR_DCBWR (SPRGROUP_DC + 4) -#define SPR_DCBLR (SPRGROUP_DC + 5) -#define SPR_DCR_BASE(WAY) (SPRGROUP_DC + 0x200 + (WAY) * 0x200) -#define SPR_DCR_LAST(WAY) (SPRGROUP_DC + 0x3ff + (WAY) * 0x200) - -/* Instruction cache group */ -#define SPR_ICCR (SPRGROUP_IC + 0) -#define SPR_ICBPR (SPRGROUP_IC + 1) -#define SPR_ICBIR (SPRGROUP_IC + 2) -#define SPR_ICBLR (SPRGROUP_IC + 3) -#define SPR_ICR_BASE(WAY) (SPRGROUP_IC + 0x200 + (WAY) * 0x200) -#define SPR_ICR_LAST(WAY) (SPRGROUP_IC + 0x3ff + (WAY) * 0x200) - -/* MAC group */ -#define SPR_MACLO (SPRGROUP_MAC + 1) -#define SPR_MACHI (SPRGROUP_MAC + 2) - -/* Debug group */ -#define SPR_DVR(N) (SPRGROUP_D + (N)) -#define SPR_DCR(N) (SPRGROUP_D + 8 + (N)) -#define SPR_DMR1 (SPRGROUP_D + 16) -#define SPR_DMR2 (SPRGROUP_D + 17) -#define SPR_DWCR0 (SPRGROUP_D + 18) -#define SPR_DWCR1 (SPRGROUP_D + 19) -#define SPR_DSR (SPRGROUP_D + 20) -#define SPR_DRR (SPRGROUP_D + 21) - -/* Performance counters group */ -#define SPR_PCCR(N) (SPRGROUP_PC + (N)) -#define SPR_PCMR(N) (SPRGROUP_PC + 8 + (N)) - -/* Power management group */ -#define SPR_PMR (SPRGROUP_PM + 0) - -/* PIC group */ -#define SPR_PICMR (SPRGROUP_PIC + 0) -#define SPR_PICPR (SPRGROUP_PIC + 1) -#define SPR_PICSR (SPRGROUP_PIC + 2) - -/* Tick Timer group */ -#define SPR_TTMR (SPRGROUP_TT + 0) -#define SPR_TTCR (SPRGROUP_TT + 1) - -/* - * Bit definitions for the Version Register - */ -#define SPR_VR_VER 0xff000000 /* Processor version */ -#define SPR_VR_CFG 0x00ff0000 /* Processor configuration */ -#define SPR_VR_RES 0x0000ffc0 /* Reserved */ -#define SPR_VR_REV 0x0000003f /* Processor revision */ - -#define SPR_VR_VER_OFF 24 -#define SPR_VR_CFG_OFF 16 -#define SPR_VR_REV_OFF 0 - -/* - * Bit definitions for the Unit Present Register - */ -#define SPR_UPR_UP 0x00000001 /* UPR present */ -#define SPR_UPR_DCP 0x00000002 /* Data cache present */ -#define SPR_UPR_ICP 0x00000004 /* Instruction cache present */ -#define SPR_UPR_DMP 0x00000008 /* Data MMU present */ -#define SPR_UPR_IMP 0x00000010 /* Instruction MMU present */ -#define SPR_UPR_MP 0x00000020 /* MAC present */ -#define SPR_UPR_DUP 0x00000040 /* Debug unit present */ -#define SPR_UPR_PCUP 0x00000080 /* Performance counters unit present */ -#define SPR_UPR_PMP 0x00000100 /* Power management present */ -#define SPR_UPR_PICP 0x00000200 /* PIC present */ -#define SPR_UPR_TTP 0x00000400 /* Tick timer present */ -#define SPR_UPR_RES 0x00fe0000 /* Reserved */ -#define SPR_UPR_CUP 0xff000000 /* Context units present */ - -/* - * Bit definitions for the CPU configuration register - */ -#define SPR_CPUCFGR_NSGF 0x0000000f /* Number of shadow GPR files */ -#define SPR_CPUCFGR_CGF 0x00000010 /* Custom GPR file */ -#define SPR_CPUCFGR_OB32S 0x00000020 /* ORBIS32 supported */ -#define SPR_CPUCFGR_OB64S 0x00000040 /* ORBIS64 supported */ -#define SPR_CPUCFGR_OF32S 0x00000080 /* ORFPX32 supported */ -#define SPR_CPUCFGR_OF64S 0x00000100 /* ORFPX64 supported */ -#define SPR_CPUCFGR_OV64S 0x00000200 /* ORVDX64 supported */ -#define SPR_CPUCFGR_ND 0x00000400 /* No delay slot */ -#define SPR_CPUCFGR_AVRP 0x00000800 /* Arch. Version Register present */ -#define SPR_CPUCFGR_EVBARP 0x00001000 /* Exception Vector Base Address Register (EVBAR) present */ -#define SPR_CPUCFGR_ISRP 0x00002000 /* Implementation-Specific Registers (ISR0-7) present */ -#define SPR_CPUCFGR_AECSRP 0x00004000 /* Arithmetic Exception Control Register (AECR) and */ - /* Arithmetic Exception Status Register (AESR) presents */ -#define SPR_CPUCFGR_RES 0xffffc000 /* Reserved */ - -/* - * Bit definitions for the Debug configuration register and other - * constants. - */ - -#define SPR_DCFGR_NDP 0x00000007 /* Number of matchpoints mask */ -#define SPR_DCFGR_NDP1 0x00000000 /* One matchpoint supported */ -#define SPR_DCFGR_NDP2 0x00000001 /* Two matchpoints supported */ -#define SPR_DCFGR_NDP3 0x00000002 /* Three matchpoints supported */ -#define SPR_DCFGR_NDP4 0x00000003 /* Four matchpoints supported */ -#define SPR_DCFGR_NDP5 0x00000004 /* Five matchpoints supported */ -#define SPR_DCFGR_NDP6 0x00000005 /* Six matchpoints supported */ -#define SPR_DCFGR_NDP7 0x00000006 /* Seven matchpoints supported */ -#define SPR_DCFGR_NDP8 0x00000007 /* Eight matchpoints supported */ -#define SPR_DCFGR_WPCI 0x00000008 /* Watchpoint counters implemented */ - -#define MATCHPOINTS_TO_NDP(n) (1 == n ? SPR_DCFGR_NDP1 : \ - 2 == n ? SPR_DCFGR_NDP2 : \ - 3 == n ? SPR_DCFGR_NDP3 : \ - 4 == n ? SPR_DCFGR_NDP4 : \ - 5 == n ? SPR_DCFGR_NDP5 : \ - 6 == n ? SPR_DCFGR_NDP6 : \ - 7 == n ? SPR_DCFGR_NDP7 : SPR_DCFGR_NDP8) -#define MAX_MATCHPOINTS 8 -#define MAX_WATCHPOINTS (MAX_MATCHPOINTS + 2) - -/* - * Bit definitions for the Supervision Register - */ -#define SPR_SR_SM 0x00000001 /* Supervisor Mode */ -#define SPR_SR_TEE 0x00000002 /* Tick timer Exception Enable */ -#define SPR_SR_IEE 0x00000004 /* Interrupt Exception Enable */ -#define SPR_SR_DCE 0x00000008 /* Data Cache Enable */ -#define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */ -#define SPR_SR_DME 0x00000020 /* Data MMU Enable */ -#define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */ -#define SPR_SR_LEE 0x00000080 /* Little Endian Enable */ -#define SPR_SR_CE 0x00000100 /* CID Enable */ -#define SPR_SR_F 0x00000200 /* Condition Flag */ -#define SPR_SR_CY 0x00000400 /* Carry flag */ -#define SPR_SR_OV 0x00000800 /* Overflow flag */ -#define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */ -#define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */ -#define SPR_SR_EPH 0x00004000 /* Exception Prefix High */ -#define SPR_SR_FO 0x00008000 /* Fixed one */ -#define SPR_SR_SUMRA 0x00010000 /* Supervisor SPR read access */ -#define SPR_SR_RES 0x0ffe0000 /* Reserved */ -#define SPR_SR_CID 0xf0000000 /* Context ID */ - -/* - * Bit definitions for the Data MMU Control Register - */ -#define SPR_DMMUCR_P2S 0x0000003e /* Level 2 Page Size */ -#define SPR_DMMUCR_P1S 0x000007c0 /* Level 1 Page Size */ -#define SPR_DMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */ -#define SPR_DMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */ - -/* - * Bit definitions for the Instruction MMU Control Register - */ -#define SPR_IMMUCR_P2S 0x0000003e /* Level 2 Page Size */ -#define SPR_IMMUCR_P1S 0x000007c0 /* Level 1 Page Size */ -#define SPR_IMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */ -#define SPR_IMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */ - -/* - * Bit definitions for the Data TLB Match Register - */ -#define SPR_DTLBMR_V 0x00000001 /* Valid */ -#define SPR_DTLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */ -#define SPR_DTLBMR_CID 0x0000003c /* Context ID */ -#define SPR_DTLBMR_LRU 0x000000c0 /* Least Recently Used */ -#define SPR_DTLBMR_VPN 0xfffff000 /* Virtual Page Number */ - -/* - * Bit definitions for the Data TLB Translate Register - */ -#define SPR_DTLBTR_CC 0x00000001 /* Cache Coherency */ -#define SPR_DTLBTR_CI 0x00000002 /* Cache Inhibit */ -#define SPR_DTLBTR_WBC 0x00000004 /* Write-Back Cache */ -#define SPR_DTLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */ -#define SPR_DTLBTR_A 0x00000010 /* Accessed */ -#define SPR_DTLBTR_D 0x00000020 /* Dirty */ -#define SPR_DTLBTR_URE 0x00000040 /* User Read Enable */ -#define SPR_DTLBTR_UWE 0x00000080 /* User Write Enable */ -#define SPR_DTLBTR_SRE 0x00000100 /* Supervisor Read Enable */ -#define SPR_DTLBTR_SWE 0x00000200 /* Supervisor Write Enable */ -#define SPR_DTLBTR_PPN 0xfffff000 /* Physical Page Number */ - -/* - * Bit definitions for the Instruction TLB Match Register - */ -#define SPR_ITLBMR_V 0x00000001 /* Valid */ -#define SPR_ITLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */ -#define SPR_ITLBMR_CID 0x0000003c /* Context ID */ -#define SPR_ITLBMR_LRU 0x000000c0 /* Least Recently Used */ -#define SPR_ITLBMR_VPN 0xfffff000 /* Virtual Page Number */ - -/* - * Bit definitions for the Instruction TLB Translate Register - */ -#define SPR_ITLBTR_CC 0x00000001 /* Cache Coherency */ -#define SPR_ITLBTR_CI 0x00000002 /* Cache Inhibit */ -#define SPR_ITLBTR_WBC 0x00000004 /* Write-Back Cache */ -#define SPR_ITLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */ -#define SPR_ITLBTR_A 0x00000010 /* Accessed */ -#define SPR_ITLBTR_D 0x00000020 /* Dirty */ -#define SPR_ITLBTR_SXE 0x00000040 /* User Read Enable */ -#define SPR_ITLBTR_UXE 0x00000080 /* User Write Enable */ -#define SPR_ITLBTR_PPN 0xfffff000 /* Physical Page Number */ - -/* - * Bit definitions for Data Cache Control register - */ -#define SPR_DCCR_EW 0x000000ff /* Enable ways */ - -/* - * Bit definitions for Insn Cache Control register - */ -#define SPR_ICCR_EW 0x000000ff /* Enable ways */ - -/* - * Bit definitions for Data Cache Configuration Register - */ - -#define SPR_DCCFGR_NCW 0x00000007 -#define SPR_DCCFGR_NCS 0x00000078 -#define SPR_DCCFGR_CBS 0x00000080 -#define SPR_DCCFGR_CWS 0x00000100 -#define SPR_DCCFGR_CCRI 0x00000200 -#define SPR_DCCFGR_CBIRI 0x00000400 -#define SPR_DCCFGR_CBPRI 0x00000800 -#define SPR_DCCFGR_CBLRI 0x00001000 -#define SPR_DCCFGR_CBFRI 0x00002000 -#define SPR_DCCFGR_CBWBRI 0x00004000 - -#define SPR_DCCFGR_NCW_OFF 0 -#define SPR_DCCFGR_NCS_OFF 3 -#define SPR_DCCFGR_CBS_OFF 7 - -/* - * Bit definitions for Instruction Cache Configuration Register - */ -#define SPR_ICCFGR_NCW 0x00000007 -#define SPR_ICCFGR_NCS 0x00000078 -#define SPR_ICCFGR_CBS 0x00000080 -#define SPR_ICCFGR_CCRI 0x00000200 -#define SPR_ICCFGR_CBIRI 0x00000400 -#define SPR_ICCFGR_CBPRI 0x00000800 -#define SPR_ICCFGR_CBLRI 0x00001000 - -#define SPR_ICCFGR_NCW_OFF 0 -#define SPR_ICCFGR_NCS_OFF 3 -#define SPR_ICCFGR_CBS_OFF 7 - -/* - * Bit definitions for Data MMU Configuration Register - */ -#define SPR_DMMUCFGR_NTW 0x00000003 -#define SPR_DMMUCFGR_NTS 0x0000001C -#define SPR_DMMUCFGR_NAE 0x000000E0 -#define SPR_DMMUCFGR_CRI 0x00000100 -#define SPR_DMMUCFGR_PRI 0x00000200 -#define SPR_DMMUCFGR_TEIRI 0x00000400 -#define SPR_DMMUCFGR_HTR 0x00000800 - -#define SPR_DMMUCFGR_NTW_OFF 0 -#define SPR_DMMUCFGR_NTS_OFF 2 - -/* - * Bit definitions for Instruction MMU Configuration Register - */ -#define SPR_IMMUCFGR_NTW 0x00000003 -#define SPR_IMMUCFGR_NTS 0x0000001C -#define SPR_IMMUCFGR_NAE 0x000000E0 -#define SPR_IMMUCFGR_CRI 0x00000100 -#define SPR_IMMUCFGR_PRI 0x00000200 -#define SPR_IMMUCFGR_TEIRI 0x00000400 -#define SPR_IMMUCFGR_HTR 0x00000800 - -#define SPR_IMMUCFGR_NTW_OFF 0 -#define SPR_IMMUCFGR_NTS_OFF 2 - -/* - * Bit definitions for Debug Control registers - */ -#define SPR_DCR_DP 0x00000001 /* DVR/DCR present */ -#define SPR_DCR_CC 0x0000000e /* Compare condition */ -#define SPR_DCR_SC 0x00000010 /* Signed compare */ -#define SPR_DCR_CT 0x000000e0 /* Compare to */ - -/* Bit results with SPR_DCR_CC mask */ -#define SPR_DCR_CC_MASKED 0x00000000 -#define SPR_DCR_CC_EQUAL 0x00000002 -#define SPR_DCR_CC_LESS 0x00000004 -#define SPR_DCR_CC_LESSE 0x00000006 -#define SPR_DCR_CC_GREAT 0x00000008 -#define SPR_DCR_CC_GREATE 0x0000000a -#define SPR_DCR_CC_NEQUAL 0x0000000c - -/* Bit results with SPR_DCR_CT mask */ -#define SPR_DCR_CT_DISABLED 0x00000000 -#define SPR_DCR_CT_IFEA 0x00000020 -#define SPR_DCR_CT_LEA 0x00000040 -#define SPR_DCR_CT_SEA 0x00000060 -#define SPR_DCR_CT_LD 0x00000080 -#define SPR_DCR_CT_SD 0x000000a0 -#define SPR_DCR_CT_LSEA 0x000000c0 -#define SPR_DCR_CT_LSD 0x000000e0 - -/* - * Bit definitions for Debug Mode 1 register - */ -#define SPR_DMR1_CW 0x000fffff /* Chain register pair data */ -#define SPR_DMR1_CW0_AND 0x00000001 -#define SPR_DMR1_CW0_OR 0x00000002 -#define SPR_DMR1_CW0 (SPR_DMR1_CW0_AND | SPR_DMR1_CW0_OR) -#define SPR_DMR1_CW1_AND 0x00000004 -#define SPR_DMR1_CW1_OR 0x00000008 -#define SPR_DMR1_CW1 (SPR_DMR1_CW1_AND | SPR_DMR1_CW1_OR) -#define SPR_DMR1_CW2_AND 0x00000010 -#define SPR_DMR1_CW2_OR 0x00000020 -#define SPR_DMR1_CW2 (SPR_DMR1_CW2_AND | SPR_DMR1_CW2_OR) -#define SPR_DMR1_CW3_AND 0x00000040 -#define SPR_DMR1_CW3_OR 0x00000080 -#define SPR_DMR1_CW3 (SPR_DMR1_CW3_AND | SPR_DMR1_CW3_OR) -#define SPR_DMR1_CW4_AND 0x00000100 -#define SPR_DMR1_CW4_OR 0x00000200 -#define SPR_DMR1_CW4 (SPR_DMR1_CW4_AND | SPR_DMR1_CW4_OR) -#define SPR_DMR1_CW5_AND 0x00000400 -#define SPR_DMR1_CW5_OR 0x00000800 -#define SPR_DMR1_CW5 (SPR_DMR1_CW5_AND | SPR_DMR1_CW5_OR) -#define SPR_DMR1_CW6_AND 0x00001000 -#define SPR_DMR1_CW6_OR 0x00002000 -#define SPR_DMR1_CW6 (SPR_DMR1_CW6_AND | SPR_DMR1_CW6_OR) -#define SPR_DMR1_CW7_AND 0x00004000 -#define SPR_DMR1_CW7_OR 0x00008000 -#define SPR_DMR1_CW7 (SPR_DMR1_CW7_AND | SPR_DMR1_CW7_OR) -#define SPR_DMR1_CW8_AND 0x00010000 -#define SPR_DMR1_CW8_OR 0x00020000 -#define SPR_DMR1_CW8 (SPR_DMR1_CW8_AND | SPR_DMR1_CW8_OR) -#define SPR_DMR1_CW9_AND 0x00040000 -#define SPR_DMR1_CW9_OR 0x00080000 -#define SPR_DMR1_CW9 (SPR_DMR1_CW9_AND | SPR_DMR1_CW9_OR) -#define SPR_DMR1_RES1 0x00300000 /* Reserved */ -#define SPR_DMR1_ST 0x00400000 /* Single-step trace*/ -#define SPR_DMR1_BT 0x00800000 /* Branch trace */ -#define SPR_DMR1_RES2 0xff000000 /* Reserved */ - -/* - * Bit definitions for Debug Mode 2 register. AWTC and WGB corrected by JPB - */ -#define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */ -#define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */ -#define SPR_DMR2_AWTC 0x00000ffc /* Assign watchpoints to counters */ -#define SPR_DMR2_AWTC_OFF 2 /* Bit offset to AWTC field */ -#define SPR_DMR2_WGB 0x003ff000 /* Watch generating breakpoint */ -#define SPR_DMR2_WGB_OFF 12 /* Bit offset to WGB field */ -#define SPR_DMR2_WBS 0xffc00000 /* Watchpoint status */ -#define SPR_DMR2_WBS_OFF 22 /* Bit offset to WBS field */ - -/* - * Bit definitions for Debug watchpoint counter registers - */ -#define SPR_DWCR_COUNT 0x0000ffff /* Count */ -#define SPR_DWCR_MATCH 0xffff0000 /* Match */ -#define SPR_DWCR_MATCH_OFF 16 /* Match bit offset */ - -/* - * Bit definitions for Debug stop register - * - */ -#define SPR_DSR_RSTE 0x00000001 /* Reset exception */ -#define SPR_DSR_BUSEE 0x00000002 /* Bus error exception */ -#define SPR_DSR_DPFE 0x00000004 /* Data Page Fault exception */ -#define SPR_DSR_IPFE 0x00000008 /* Insn Page Fault exception */ -#define SPR_DSR_TTE 0x00000010 /* Tick Timer exception */ -#define SPR_DSR_AE 0x00000020 /* Alignment exception */ -#define SPR_DSR_IIE 0x00000040 /* Illegal Instruction exception */ -#define SPR_DSR_IE 0x00000080 /* Interrupt exception */ -#define SPR_DSR_DME 0x00000100 /* DTLB miss exception */ -#define SPR_DSR_IME 0x00000200 /* ITLB miss exception */ -#define SPR_DSR_RE 0x00000400 /* Range exception */ -#define SPR_DSR_SCE 0x00000800 /* System call exception */ -#define SPR_DSR_FPE 0x00001000 /* Floating Point Exception */ -#define SPR_DSR_TE 0x00002000 /* Trap exception */ - -/* - * Bit definitions for Debug reason register - */ -#define SPR_DRR_RSTE 0x00000001 /* Reset exception */ -#define SPR_DRR_BUSEE 0x00000002 /* Bus error exception */ -#define SPR_DRR_DPFE 0x00000004 /* Data Page Fault exception */ -#define SPR_DRR_IPFE 0x00000008 /* Insn Page Fault exception */ -#define SPR_DRR_TTE 0x00000010 /* Tick Timer exception */ -#define SPR_DRR_AE 0x00000020 /* Alignment exception */ -#define SPR_DRR_IIE 0x00000040 /* Illegal Instruction exception */ -#define SPR_DRR_IE 0x00000080 /* Interrupt exception */ -#define SPR_DRR_DME 0x00000100 /* DTLB miss exception */ -#define SPR_DRR_IME 0x00000200 /* ITLB miss exception */ -#define SPR_DRR_RE 0x00000400 /* Range exception */ -#define SPR_DRR_SCE 0x00000800 /* System call exception */ -#define SPR_DRR_FPE 0x00001000 /* Floating Point Exception */ -#define SPR_DRR_TE 0x00002000 /* Trap exception */ - -/* - * Bit definitions for Performance counters mode registers - */ -#define SPR_PCMR_CP 0x00000001 /* Counter present */ -#define SPR_PCMR_UMRA 0x00000002 /* User mode read access */ -#define SPR_PCMR_CISM 0x00000004 /* Count in supervisor mode */ -#define SPR_PCMR_CIUM 0x00000008 /* Count in user mode */ -#define SPR_PCMR_LA 0x00000010 /* Load access event */ -#define SPR_PCMR_SA 0x00000020 /* Store access event */ -#define SPR_PCMR_IF 0x00000040 /* Instruction fetch event*/ -#define SPR_PCMR_DCM 0x00000080 /* Data cache miss event */ -#define SPR_PCMR_ICM 0x00000100 /* Insn cache miss event */ -#define SPR_PCMR_IFS 0x00000200 /* Insn fetch stall event */ -#define SPR_PCMR_LSUS 0x00000400 /* LSU stall event */ -#define SPR_PCMR_BS 0x00000800 /* Branch stall event */ -#define SPR_PCMR_DTLBM 0x00001000 /* DTLB miss event */ -#define SPR_PCMR_ITLBM 0x00002000 /* ITLB miss event */ -#define SPR_PCMR_DDS 0x00004000 /* Data dependency stall event */ -#define SPR_PCMR_WPE 0x03ff8000 /* Watchpoint events */ - -/* - * Bit definitions for the Power management register - */ -#define SPR_PMR_SDF 0x0000000f /* Slow down factor */ -#define SPR_PMR_DME 0x00000010 /* Doze mode enable */ -#define SPR_PMR_SME 0x00000020 /* Sleep mode enable */ -#define SPR_PMR_DCGE 0x00000040 /* Dynamic clock gating enable */ -#define SPR_PMR_SUME 0x00000080 /* Suspend mode enable */ - -/* - * Bit definitions for PICMR - */ -#define SPR_PICMR_IUM 0xfffffffc /* Interrupt unmask */ - -/* - * Bit definitions for PICPR - */ -#define SPR_PICPR_IPRIO 0xfffffffc /* Interrupt priority */ - -/* - * Bit definitions for PICSR - */ -#define SPR_PICSR_IS 0xffffffff /* Interrupt status */ - -/* - * Bit definitions for Tick Timer Control Register - */ -#define SPR_TTCR_CNT 0xffffffff /* Count, time period */ -#define SPR_TTMR_TP 0x0fffffff /* Time period */ -#define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */ -#define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */ -#define SPR_TTMR_DI 0x00000000 /* Disabled */ -#define SPR_TTMR_RT 0x40000000 /* Restart tick */ -#define SPR_TTMR_SR 0x80000000 /* Single run */ -#define SPR_TTMR_CR 0xc0000000 /* Continuous run */ -#define SPR_TTMR_M 0xc0000000 /* Tick mode */ - -/* - * Bit definitions for the FP Control Status Register - */ -#define SPR_FPCSR_FPEE 0x00000001 /* Floating Point Exception Enable */ -#define SPR_FPCSR_RM 0x00000006 /* Rounding Mode */ -#define SPR_FPCSR_OVF 0x00000008 /* Overflow Flag */ -#define SPR_FPCSR_UNF 0x00000010 /* Underflow Flag */ -#define SPR_FPCSR_SNF 0x00000020 /* SNAN Flag */ -#define SPR_FPCSR_QNF 0x00000040 /* QNAN Flag */ -#define SPR_FPCSR_ZF 0x00000080 /* Zero Flag */ -#define SPR_FPCSR_IXF 0x00000100 /* Inexact Flag */ -#define SPR_FPCSR_IVF 0x00000200 /* Invalid Flag */ -#define SPR_FPCSR_INF 0x00000400 /* Infinity Flag */ -#define SPR_FPCSR_DZF 0x00000800 /* Divide By Zero Flag */ -#define SPR_FPCSR_ALLF (SPR_FPCSR_OVF | SPR_FPCSR_UNF | SPR_FPCSR_SNF | \ - SPR_FPCSR_QNF | SPR_FPCSR_ZF | SPR_FPCSR_IXF | \ - SPR_FPCSR_IVF | SPR_FPCSR_INF | SPR_FPCSR_DZF) - -#define FPCSR_RM_RN (0<<1) -#define FPCSR_RM_RZ (1<<1) -#define FPCSR_RM_RIP (2<<1) -#define FPCSR_RM_RIN (3<<1) - -/* - * l.nop constants - */ -#define NOP_NOP 0x0000 /* Normal nop instruction */ -#define NOP_EXIT 0x0001 /* End of simulation */ -#define NOP_REPORT 0x0002 /* Simple report */ -#define NOP_PUTC 0x0004 /* Simputc instruction */ -#define NOP_CNT_RESET 0x0005 /* Reset statistics counters */ -#define NOP_GET_TICKS 0x0006 /* Get # ticks running */ -#define NOP_GET_PS 0x0007 /* Get picosecs/cycle */ -#define NOP_REPORT_FIRST 0x0400 /* Report with number */ -#define NOP_REPORT_LAST 0x03ff /* Report with number */ - -#endif /* SPR_DEFS__H */ diff --git a/arch/openrisc/include/asm/string.h b/arch/openrisc/include/asm/string.h deleted file mode 100644 index 73e265564a..0000000000 --- a/arch/openrisc/include/asm/string.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef __ASM_OPENRISC_STRING_H -#define __ASM_OPENRISC_STRING_H - -#endif diff --git a/arch/openrisc/include/asm/swab.h b/arch/openrisc/include/asm/swab.h deleted file mode 100644 index b07e1d51f1..0000000000 --- a/arch/openrisc/include/asm/swab.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef _ASM_SWAB_H -#define _ASM_SWAB_H - -#endif /* _ASM_SWAB_H */ diff --git a/arch/openrisc/include/asm/system.h b/arch/openrisc/include/asm/system.h deleted file mode 100644 index 0c6249721f..0000000000 --- a/arch/openrisc/include/asm/system.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#ifndef __ASM_OPENRISC_SYSTEM_H -#define __ASM_OPENRISC_SYSTEM_H - -#include <asm/spr-defs.h> - -static inline unsigned long mfspr(unsigned long add) -{ - unsigned long ret; - - __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add)); - - return ret; -} - -static inline void mtspr(unsigned long add, unsigned long val) -{ - __asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val)); -} - -#endif /* __ASM_OPENRISC_SYSTEM_H */ diff --git a/arch/openrisc/include/asm/types.h b/arch/openrisc/include/asm/types.h deleted file mode 100644 index 21a45b74cd..0000000000 --- a/arch/openrisc/include/asm/types.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#ifndef _ASM_TYPES_H -#define _ASM_TYPES_H - -#include <asm-generic/int-ll64.h> - -#endif /* _ASM_TYPES_H */ diff --git a/arch/openrisc/include/asm/unaligned.h b/arch/openrisc/include/asm/unaligned.h deleted file mode 100644 index 1141cbd6fd..0000000000 --- a/arch/openrisc/include/asm/unaligned.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * OpenRISC Linux - * - * Linux architectural port borrowing liberally from similar works of - * others. All original copyrights apply as per the original source - * declaration. - * - * OpenRISC implementation: - * Copyright (C) 2003 Matjaz Breskvar <phoenix@xxxxxxxxx> - * Copyright (C) 2010-2011 Jonas Bonn <jonas@xxxxxxxxxxxx> - * et al. - * - * 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. - */ - -#ifndef __ASM_OPENRISC_UNALIGNED_H -#define __ASM_OPENRISC_UNALIGNED_H - -/* - * This is copied from the generic implementation and the C-struct - * variant replaced with the memmove variant. The GCC compiler - * for the OR32 arch optimizes too aggressively for the C-struct - * variant to work, so use the memmove variant instead. - * - * It may be worth considering implementing the unaligned access - * exception handler and allowing unaligned accesses (access_ok.h)... - * not sure if it would be much of a performance win without further - * investigation. - */ -#include <asm/byteorder.h> - -#if defined(__LITTLE_ENDIAN) -# include <linux/unaligned/le_memmove.h> -# include <linux/unaligned/be_byteshift.h> -# include <linux/unaligned/generic.h> -# define get_unaligned __get_unaligned_le -# define put_unaligned __put_unaligned_le -#elif defined(__BIG_ENDIAN) -# include <linux/unaligned/be_memmove.h> -# include <linux/unaligned/le_byteshift.h> -# include <linux/unaligned/generic.h> -# define get_unaligned __get_unaligned_be -# define put_unaligned __put_unaligned_be -#else -# error need to define endianess -#endif - -#endif /* __ASM_OPENRISC_UNALIGNED_H */ diff --git a/arch/openrisc/lib/Makefile b/arch/openrisc/lib/Makefile deleted file mode 100644 index 62082feed0..0000000000 --- a/arch/openrisc/lib/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -obj-y += clock.o -obj-y += board.o -obj-y += cpuinfo.o -obj-y += muldi3.o -obj-y += lshrdi3.o -obj-y += ashldi3.o -obj-y += ashrdi3.o -obj-$(CONFIG_BUILTIN_DTB) += dtb.o diff --git a/arch/openrisc/lib/ashldi3.S b/arch/openrisc/lib/ashldi3.S deleted file mode 100644 index 3e422fadc4..0000000000 --- a/arch/openrisc/lib/ashldi3.S +++ /dev/null @@ -1,41 +0,0 @@ -/* - * (C) Copyright 2011 - Franck JULLIEN <elec4fun@xxxxxxxxx> - * - * Extracted from gcc generated assembly. - * - * Extended precision shifts. - * - * R3/R4 (MSW, LSW) has 64 bit value - * R5 has shift count - * result in R11/R12 - * - */ - -.globl __ashldi3 - -__ashldi3: - l.sfeqi r5,0x0 - l.bf out /* if count = 0, go out */ - - l.addi r6,r0,0x20 /* r6 = 32 */ - l.sub r6,r6,r5 /* r6 = 32 - count */ - l.sfgtsi r6,0x0 /* if count >= 32 */ - l.bnf more_than_32 /* branch to more_than_32 */ - l.nop 0x0 - -less_than_32: - l.srl r6,r4,r6 /* r6 gets the bits moved from LSW to MSW */ - l.sll r3,r3,r5 /* shift MSW */ - l.sll r4,r4,r5 /* shift LSW */ - l.or r3,r6,r3 /* MSW gets bits shifted from LSW */ - -out: - l.ori r11,r3,0x0 - l.jr r9 - l.ori r12,r4,0x0 - -more_than_32: - l.sub r3,r0,r6 /* r3 = -r6, the number of bits above 32 */ - l.sll r3,r4,r3 /* MSW = LSW << r3 */ - l.j out /* go out */ - l.addi r4,r0,0x0 /* LSW = 0 */ diff --git a/arch/openrisc/lib/ashrdi3.S b/arch/openrisc/lib/ashrdi3.S deleted file mode 100644 index 92ba65dbf7..0000000000 --- a/arch/openrisc/lib/ashrdi3.S +++ /dev/null @@ -1,55 +0,0 @@ -/* - * (C) Copyright 2012 - Franck JULLIEN <elec4fun@xxxxxxxxx> - * - * Extracted from gcc generated assembly. - * - * Extended precision shifts. - * - * R3/R4 (MSW, LSW) has 64 bit value - * R5 has shift count - * result in R11/R12 - * - * 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. - * - */ - - -.globl __ashrdi3 - -__ashrdi3: - l.sfeqi r5,0x0 /* if count = 0, go out */ - l.bf out - - l.addi r6,r0,0x20 /* r6 = 32 */ - l.sub r6,r6,r5 /* r6 = 32 - count */ - l.sfgtsi r6,0x0 /* if count >= 32 */ - l.bnf more_than_32 /* branch to more_than_32 */ - l.nop 0x0 - - - less_than_32: - l.sll r6,r3,r6 /* r6 gets the bits moved from MSW to LSW */ - l.srl r4,r4,r5 /* shift LSW */ - l.sra r5,r3,r5 /* shift MSW to r5 */ - l.or r4,r6,r4 /* LSW gets bits shifted from MSW */ - l.ori r3,r5,0x0 /* r3 = MSW */ - - out: - l.ori r11,r3,0x0 - l.jr r9 - l.ori r12,r4,0x0 - - more_than_32: - l.srai r5,r3,0x1f /* r5 = MSW sign extended */ - l.sub r4,r0,r6 /* r4 = -r6, the number of bits above 32 */ - l.sra r4,r3,r4 /* LSW gets bits shifted from MSB */ - l.j out /* go out */ - l.ori r3,r5,0x0 /* r3 = MSW */ diff --git a/arch/openrisc/lib/asm-offsets.c b/arch/openrisc/lib/asm-offsets.c deleted file mode 100644 index 8cee8e00c6..0000000000 --- a/arch/openrisc/lib/asm-offsets.c +++ /dev/null @@ -1,18 +0,0 @@ -/* - * OpenRISC asm-offsets.c - * - * This program is used to generate definitions needed by - * assembly language modules. - * - * We use the technique used in the OSF Mach kernel code: - * generate asm statements containing #defines, - * compile this file to assembler, and then extract the - * #defines from the assembly-language output. - */ - -#include <linux/kbuild.h> - -int main(void) -{ - return 0; -} diff --git a/arch/openrisc/lib/board.c b/arch/openrisc/lib/board.c deleted file mode 100644 index 9591120fee..0000000000 --- a/arch/openrisc/lib/board.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * (C) Copyright 2011 - Franck JULLIEN <elec4fun@xxxxxxxxx> - * - * 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. - * - */ - -#include <common.h> -#include <malloc.h> -#include <init.h> -#include <memory.h> -#include <asm-generic/memory_layout.h> - -/* Called from assembly */ -void openrisc_start_barebox(void); - -void __noreturn openrisc_start_barebox(void) -{ - mem_malloc_init((void *)(OPENRISC_SOPC_TEXT_BASE - MALLOC_SIZE), - (void *)(OPENRISC_SOPC_TEXT_BASE - 1)); - - start_barebox(); -} diff --git a/arch/openrisc/lib/clock.c b/arch/openrisc/lib/clock.c deleted file mode 100644 index 5ff978e841..0000000000 --- a/arch/openrisc/lib/clock.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * (C) Copyright 2011 - Franck JULLIEN <elec4fun@xxxxxxxxx> - * - * 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. - * - */ - -#include <common.h> -#include <clock.h> -#include <init.h> -#include <asm/system.h> -#include <asm/openrisc_exc.h> - -static uint64_t openrisc_clocksource_read(void) -{ - return (uint64_t)(mfspr(SPR_TTCR)); -} - -static struct clocksource cs = { - .read = openrisc_clocksource_read, - .mask = 0xffffffff, - .shift = 12, -}; - -static int clocksource_init(void) -{ - mtspr(SPR_TTMR, SPR_TTMR_CR | 0xFFFFFF); - cs.mult = clocksource_hz2mult(OPENRISC_TIMER_FREQ, cs.shift); - - return init_clock(&cs); -} - -core_initcall(clocksource_init); diff --git a/arch/openrisc/lib/cpuinfo.c b/arch/openrisc/lib/cpuinfo.c deleted file mode 100644 index d94178ea59..0000000000 --- a/arch/openrisc/lib/cpuinfo.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx> - * (C) Copyright 2011, Julius Baxter <julius@xxxxxxxxxxxxx> - * - * 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. - * - */ - -#include <common.h> -#include <command.h> -#include <asm/system.h> -#include <asm/cache.h> -#include <asm/openrisc_exc.h> - -/* CPUID */ -#define OR1KSIM 0x00 -#define OR1200 0x12 -#define MOR1KX 0x01 -#define ALTOR32 0x32 -#define OR10 0x10 - -static volatile int illegal_instruction; - -static void illegal_instruction_handler(void) -{ - ulong *epcr = (ulong *)mfspr(SPR_EPCR_BASE); - - /* skip over the illegal instruction */ - mtspr(SPR_EPCR_BASE, (ulong)(++epcr)); - illegal_instruction = 1; -} - -static int checkinstructions(void) -{ - ulong ra = 1, rb = 1, rc; - - exception_install_handler(EXC_ILLEGAL_INSTR, - illegal_instruction_handler); - - illegal_instruction = 0; - asm volatile("l.mul %0,%1,%2" : "=r" (rc) : "r" (ra), "r" (rb)); - printf(" Hardware multiplier: %s\n", - illegal_instruction ? "no" : "yes"); - - illegal_instruction = 0; - asm volatile("l.div %0,%1,%2" : "=r" (rc) : "r" (ra), "r" (rb)); - printf(" Hardware divider: %s\n", - illegal_instruction ? "no" : "yes"); - - exception_free_handler(EXC_ILLEGAL_INSTR); - - return 0; -} - -static void cpu_implementation(ulong vr2, char *string) -{ - switch (vr2 >> 24) { - - case OR1KSIM: - sprintf(string, "or1ksim"); - break; - case OR1200: - sprintf(string, "OR1200"); - break; - case MOR1KX: - sprintf(string, "mor1kx v%u.%u - ", (uint)((vr2 >> 16) & 0xff), - (uint)((vr2 >> 8) & 0xff)); - - if ((uint)(vr2 & 0xff) == 1) - strcat(string, "cappuccino"); - else if ((uint)(vr2 & 0xff) == 2) - strcat(string, "espresso"); - else if ((uint)(vr2 & 0xff) == 3) - strcat(string, "prontoespresso"); - else - strcat(string, "unknwown"); - - break; - case ALTOR32: - sprintf(string, "AltOr32"); - break; - case OR10: - sprintf(string, "OR10"); - break; - default: - sprintf(string, "unknown"); - } -} - -static int checkcpu(void) -{ - ulong upr = mfspr(SPR_UPR); - ulong vr = mfspr(SPR_VR); - ulong vr2 = mfspr(SPR_VR2); - ulong iccfgr = mfspr(SPR_ICCFGR); - ulong dccfgr = mfspr(SPR_DCCFGR); - ulong immucfgr = mfspr(SPR_IMMUCFGR); - ulong dmmucfgr = mfspr(SPR_DMMUCFGR); - ulong cpucfgr = mfspr(SPR_CPUCFGR); - uint ver = (vr & SPR_VR_VER) >> 24; - uint rev = vr & SPR_VR_REV; - uint block_size; - uint ways; - uint sets; - - char impl_str[50]; - - printf("CPU: OpenRISC-%x00 (rev %d) @ %d MHz\n", - ver, rev, (CONFIG_SYS_CLK_FREQ / 1000000)); - - if (vr2) { - cpu_implementation(vr2, impl_str); - printf(" Implementation: %s\n", impl_str); - } - - if (upr & SPR_UPR_DCP) { - block_size = (dccfgr & SPR_DCCFGR_CBS) ? 32 : 16; - ways = 1 << (dccfgr & SPR_DCCFGR_NCW); - printf(" D-Cache: %d bytes, %d bytes/line, %d way(s)\n", - checkdcache(), block_size, ways); - } else { - printf(" D-Cache: no\n"); - } - - if (upr & SPR_UPR_ICP) { - block_size = (iccfgr & SPR_ICCFGR_CBS) ? 32 : 16; - ways = 1 << (iccfgr & SPR_ICCFGR_NCW); - printf(" I-Cache: %d bytes, %d bytes/line, %d way(s)\n", - checkicache(), block_size, ways); - } else { - printf(" I-Cache: no\n"); - } - - if (upr & SPR_UPR_DMP) { - sets = 1 << ((dmmucfgr & SPR_DMMUCFGR_NTS) >> 2); - ways = (dmmucfgr & SPR_DMMUCFGR_NTW) + 1; - printf(" DMMU: %d sets, %d way(s)\n", - sets, ways); - } else { - printf(" DMMU: no\n"); - } - - if (upr & SPR_UPR_IMP) { - sets = 1 << ((immucfgr & SPR_IMMUCFGR_NTS) >> 2); - ways = (immucfgr & SPR_IMMUCFGR_NTW) + 1; - printf(" IMMU: %d sets, %d way(s)\n", - sets, ways); - } else { - printf(" IMMU: no\n"); - } - - printf(" MAC unit: %s\n", - (upr & SPR_UPR_MP) ? "yes" : "no"); - printf(" Debug unit: %s\n", - (upr & SPR_UPR_DUP) ? "yes" : "no"); - printf(" Performance counters: %s\n", - (upr & SPR_UPR_PCUP) ? "yes" : "no"); - printf(" Power management: %s\n", - (upr & SPR_UPR_PMP) ? "yes" : "no"); - printf(" Interrupt controller: %s\n", - (upr & SPR_UPR_PICP) ? "yes" : "no"); - printf(" Timer: %s\n", - (upr & SPR_UPR_TTP) ? "yes" : "no"); - printf(" Custom unit(s): %s\n", - (upr & SPR_UPR_CUP) ? "yes" : "no"); - - printf(" Supported instructions:\n"); - printf(" ORBIS32: %s\n", - (cpucfgr & SPR_CPUCFGR_OB32S) ? "yes" : "no"); - printf(" ORBIS64: %s\n", - (cpucfgr & SPR_CPUCFGR_OB64S) ? "yes" : "no"); - printf(" ORFPX32: %s\n", - (cpucfgr & SPR_CPUCFGR_OF32S) ? "yes" : "no"); - printf(" ORFPX64: %s\n", - (cpucfgr & SPR_CPUCFGR_OF64S) ? "yes" : "no"); - - checkinstructions(); - - return 0; -} - -static int do_cpuinfo(int argc, char *argv[]) -{ - checkcpu(); - return 0; -} - -BAREBOX_CMD_START(cpuinfo) - .cmd = do_cpuinfo, - BAREBOX_CMD_DESC("show CPU information") - BAREBOX_CMD_GROUP(CMD_GRP_INFO) -BAREBOX_CMD_END diff --git a/arch/openrisc/lib/dtb.c b/arch/openrisc/lib/dtb.c deleted file mode 100644 index 61cf35ddf3..0000000000 --- a/arch/openrisc/lib/dtb.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright (C) 2014 Antony Pavlov <antonynpavlov@xxxxxxxxx> - * - * Based on arch/arm/cpu/dtb.c: - * Copyright (C) 2013 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * 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. - * - */ -#include <common.h> -#include <init.h> -#include <of.h> - -extern char __dtb_start[]; - -static int of_openrisc_init(void) -{ - struct device_node *root; - - root = of_get_root_node(); - if (root) - return 0; - - barebox_register_fdt(__dtb_start); - - return 0; -} -core_initcall(of_openrisc_init); diff --git a/arch/openrisc/lib/lshrdi3.S b/arch/openrisc/lib/lshrdi3.S deleted file mode 100644 index de30445f4e..0000000000 --- a/arch/openrisc/lib/lshrdi3.S +++ /dev/null @@ -1,41 +0,0 @@ -/* - * (C) Copyright 2011 - Franck JULLIEN <elec4fun@xxxxxxxxx> - * - * Extracted from gcc generated assembly. - * - * Extended precision shifts. - * - * R3/R4 (MSW, LSW) has 64 bit value - * R5 has shift count - * result in R11/R12 - * - */ - -.globl __lshrdi3 - -__lshrdi3: - l.sfeqi r5,0x0 - l.bf out /* if count = 0, go out */ - - l.addi r6,r0,0x20 /* r6 = 32 */ - l.sub r6,r6,r5 /* r6 = 32 - count */ - l.sfgtsi r6,0x0 /* if count >= 32 */ - l.bnf more_than_32 /* branch to more_than_32 */ - l.nop 0x0 - -less_than_32: - l.sll r6,r3,r6 /* r6 gets the bits moved from MSW to LSW */ - l.srl r4,r4,r5 /* shift LSW */ - l.srl r3,r3,r5 /* shift MSW */ - l.or r4,r6,r4 /* LSW gets bits shifted from MSW */ - - out: - l.ori r11,r3,0x0 - l.jr r9 - l.ori r12,r4,0x0 - -more_than_32: - l.sub r4,r0,r6 /* r4 = -r6, the number of bits above 32 */ - l.srl r4,r3,r4 /* LSW = MSW >> r4 */ - l.j out /* go out */ - l.addi r3,r0,0x0 /* MSW = 0 */ diff --git a/arch/openrisc/lib/muldi3.S b/arch/openrisc/lib/muldi3.S deleted file mode 100644 index 902338a242..0000000000 --- a/arch/openrisc/lib/muldi3.S +++ /dev/null @@ -1,58 +0,0 @@ -/* - * (C) Copyright 2011 - Franck JULLIEN <elec4fun@xxxxxxxxx> - * - * Extracted from gcc generated assembly. - * - * Multiply two quads. Hereafter, the illustration of what is going on : - * - * | r3 | r4 | - * | r5 | r6 | - * -------------------- - * | r4 * r6 | - * | r3 * r6 | | + - * | r5 * r4 | | + - * | r3 * r5 | | | + - * ------------------------------------------- = - * | 64 bits result | - * - */ - -.globl __muldi3 - -__muldi3: - /* starts with the full 64 bits mul (r4 * r6) */ - l.andi r7,r4,0xffff - l.srli r8,r4,0x10 - - l.andi r11,r6,0xffff - l.srli r12,r6,0x10 - - l.mul r13,r11,r7 - l.mul r11,r11,r8 - l.mul r7,r12,r7 - - l.srli r15,r13,0x10 - l.add r7,r7,r15 - l.add r7,r11,r7 - l.sfleu r11,r7 - l.bf no_carry - l.mul r8,r12,r8 - - l.movhi r15,0x1 - l.add r8,r8,r15 - -no_carry: - /* Now compute r3 * r6 */ - l.mul r6,r6,r3 - /* and r4 * r5 */ - l.mul r4,r4,r5 - /* finaly previous results and put the result in r11:r12 */ - l.srli r3,r7,0x10 - l.slli r7,r7,0x10 - l.andi r13,r13,0xffff - l.add r8,r8,r3 - l.add r11,r4,r6 - l.add r12,r7,r13 - l.add r11,r11,r8 - l.jr r9 - l.nop diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c deleted file mode 100644 index f24120ce72..0000000000 --- a/drivers/net/ethoc.c +++ /dev/null @@ -1,580 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * OpenCores 10/100 Mbps Ethernet driver - * - * Copyright (C) 2007-2008 Avionic Design Development GmbH - * Copyright (C) 2008-2009 Avionic Design GmbH - * Copyright (C) 2013 Beniamino Galvani <b.galvani@xxxxxxxxx> - * - * Originally written by Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx> - */ - -#include <common.h> -#include <net.h> -#include <init.h> -#include <io.h> -#include <asm/cache.h> -#include <linux/err.h> - -/* register offsets */ -#define MODER 0x00 -#define INT_SOURCE 0x04 -#define INT_MASK 0x08 -#define IPGT 0x0c -#define IPGR1 0x10 -#define IPGR2 0x14 -#define PACKETLEN 0x18 -#define COLLCONF 0x1c -#define TX_BD_NUM 0x20 -#define CTRLMODER 0x24 -#define MIIMODER 0x28 -#define MIICOMMAND 0x2c -#define MIIADDRESS 0x30 -#define MIITX_DATA 0x34 -#define MIIRX_DATA 0x38 -#define MIISTATUS 0x3c -#define MAC_ADDR0 0x40 -#define MAC_ADDR1 0x44 -#define ETH_HASH0 0x48 -#define ETH_HASH1 0x4c -#define ETH_TXCTRL 0x50 - -/* mode register */ -#define MODER_RXEN (1 << 0) /* receive enable */ -#define MODER_TXEN (1 << 1) /* transmit enable */ -#define MODER_NOPRE (1 << 2) /* no preamble */ -#define MODER_BRO (1 << 3) /* broadcast address */ -#define MODER_IAM (1 << 4) /* individual address mode */ -#define MODER_PRO (1 << 5) /* promiscuous mode */ -#define MODER_IFG (1 << 6) /* interframe gap for incoming frames */ -#define MODER_LOOP (1 << 7) /* loopback */ -#define MODER_NBO (1 << 8) /* no back-off */ -#define MODER_EDE (1 << 9) /* excess defer enable */ -#define MODER_FULLD (1 << 10) /* full duplex */ -#define MODER_RESET (1 << 11) /* FIXME: reset (undocumented) */ -#define MODER_DCRC (1 << 12) /* delayed CRC enable */ -#define MODER_CRC (1 << 13) /* CRC enable */ -#define MODER_HUGE (1 << 14) /* huge packets enable */ -#define MODER_PAD (1 << 15) /* padding enabled */ -#define MODER_RSM (1 << 16) /* receive small packets */ - -/* interrupt source and mask registers */ -#define INT_MASK_TXF (1 << 0) /* transmit frame */ -#define INT_MASK_TXE (1 << 1) /* transmit error */ -#define INT_MASK_RXF (1 << 2) /* receive frame */ -#define INT_MASK_RXE (1 << 3) /* receive error */ -#define INT_MASK_BUSY (1 << 4) -#define INT_MASK_TXC (1 << 5) /* transmit control frame */ -#define INT_MASK_RXC (1 << 6) /* receive control frame */ - -#define INT_MASK_TX (INT_MASK_TXF | INT_MASK_TXE) -#define INT_MASK_RX (INT_MASK_RXF | INT_MASK_RXE) - -#define INT_MASK_ALL ( \ - INT_MASK_TXF | INT_MASK_TXE | \ - INT_MASK_RXF | INT_MASK_RXE | \ - INT_MASK_TXC | INT_MASK_RXC | \ - INT_MASK_BUSY \ - ) - -/* packet length register */ -#define PACKETLEN_MIN(min) (((min) & 0xffff) << 16) -#define PACKETLEN_MAX(max) (((max) & 0xffff) << 0) -#define PACKETLEN_MIN_MAX(min, max) (PACKETLEN_MIN(min) | \ - PACKETLEN_MAX(max)) - -/* transmit buffer number register */ -#define TX_BD_NUM_VAL(x) (((x) <= 0x80) ? (x) : 0x80) - -/* control module mode register */ -#define CTRLMODER_PASSALL (1 << 0) /* pass all receive frames */ -#define CTRLMODER_RXFLOW (1 << 1) /* receive control flow */ -#define CTRLMODER_TXFLOW (1 << 2) /* transmit control flow */ - -/* MII mode register */ -#define MIIMODER_CLKDIV(x) ((x) & 0xfe) /* needs to be an even number */ -#define MIIMODER_NOPRE (1 << 8) /* no preamble */ - -/* MII command register */ -#define MIICOMMAND_SCAN (1 << 0) /* scan status */ -#define MIICOMMAND_READ (1 << 1) /* read status */ -#define MIICOMMAND_WRITE (1 << 2) /* write control data */ - -/* MII address register */ -#define MIIADDRESS_FIAD(x) (((x) & 0x1f) << 0) -#define MIIADDRESS_RGAD(x) (((x) & 0x1f) << 8) -#define MIIADDRESS_ADDR(phy, reg) (MIIADDRESS_FIAD(phy) | \ - MIIADDRESS_RGAD(reg)) - -/* MII transmit data register */ -#define MIITX_DATA_VAL(x) ((x) & 0xffff) - -/* MII receive data register */ -#define MIIRX_DATA_VAL(x) ((x) & 0xffff) - -/* MII status register */ -#define MIISTATUS_LINKFAIL (1 << 0) -#define MIISTATUS_BUSY (1 << 1) -#define MIISTATUS_INVALID (1 << 2) - -/* TX buffer descriptor */ -#define TX_BD_CS (1 << 0) /* carrier sense lost */ -#define TX_BD_DF (1 << 1) /* defer indication */ -#define TX_BD_LC (1 << 2) /* late collision */ -#define TX_BD_RL (1 << 3) /* retransmission limit */ -#define TX_BD_RETRY_MASK (0x00f0) -#define TX_BD_RETRY(x) (((x) & 0x00f0) >> 4) -#define TX_BD_UR (1 << 8) /* transmitter underrun */ -#define TX_BD_CRC (1 << 11) /* TX CRC enable */ -#define TX_BD_PAD (1 << 12) /* pad enable for short packets */ -#define TX_BD_WRAP (1 << 13) -#define TX_BD_IRQ (1 << 14) /* interrupt request enable */ -#define TX_BD_READY (1 << 15) /* TX buffer ready */ -#define TX_BD_LEN(x) (((x) & 0xffff) << 16) -#define TX_BD_LEN_MASK (0xffff << 16) - -#define TX_BD_STATS (TX_BD_CS | TX_BD_DF | TX_BD_LC | \ - TX_BD_RL | TX_BD_RETRY_MASK | TX_BD_UR) - -/* RX buffer descriptor */ -#define RX_BD_LC (1 << 0) /* late collision */ -#define RX_BD_CRC (1 << 1) /* RX CRC error */ -#define RX_BD_SF (1 << 2) /* short frame */ -#define RX_BD_TL (1 << 3) /* too long */ -#define RX_BD_DN (1 << 4) /* dribble nibble */ -#define RX_BD_IS (1 << 5) /* invalid symbol */ -#define RX_BD_OR (1 << 6) /* receiver overrun */ -#define RX_BD_MISS (1 << 7) -#define RX_BD_CF (1 << 8) /* control frame */ -#define RX_BD_WRAP (1 << 13) -#define RX_BD_IRQ (1 << 14) /* interrupt request enable */ -#define RX_BD_EMPTY (1 << 15) -#define RX_BD_LEN(x) (((x) & 0xffff) << 16) - -#define RX_BD_STATS (RX_BD_LC | RX_BD_CRC | RX_BD_SF | RX_BD_TL | \ - RX_BD_DN | RX_BD_IS | RX_BD_OR | RX_BD_MISS) - -#define ETHOC_BUFSIZ 1536 -#define ETHOC_ZLEN 64 -#define ETHOC_BD_BASE 0x400 - -/** - * struct ethoc - driver-private device structure - * @iobase: pointer to I/O memory region - * @num_tx: number of send buffers - * @cur_tx: last send buffer written - * @dty_tx: last buffer actually sent - * @num_rx: number of receive buffers - * @cur_rx: current receive buffer - */ -struct ethoc { - void __iomem *iobase; - - u32 num_tx; - u32 cur_tx; - u32 dty_tx; - - u32 num_rx; - u32 cur_rx; - - struct mii_bus miibus; -}; - -/** - * struct ethoc_bd - buffer descriptor - * @stat: buffer statistics - * @addr: physical memory address - */ -struct ethoc_bd { - u32 stat; - u32 addr; -}; - -static inline u32 ethoc_read(struct ethoc *dev, loff_t offset) -{ - return ioread32be(dev->iobase + offset); -} - -static inline void ethoc_write(struct ethoc *dev, loff_t offset, u32 data) -{ - iowrite32be(data, dev->iobase + offset); -} - -static inline void ethoc_read_bd(struct ethoc *dev, int index, - struct ethoc_bd *bd) -{ - loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd)); - bd->stat = ethoc_read(dev, offset + 0); - bd->addr = ethoc_read(dev, offset + 4); -} - -static inline void ethoc_write_bd(struct ethoc *dev, int index, - const struct ethoc_bd *bd) -{ - loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd)); - ethoc_write(dev, offset + 0, bd->stat); - ethoc_write(dev, offset + 4, bd->addr); -} - -static inline void ethoc_ack_irq(struct ethoc *dev, u32 mask) -{ - ethoc_write(dev, INT_SOURCE, mask); -} - -static inline void ethoc_enable_rx_and_tx(struct ethoc *dev) -{ - u32 mode = ethoc_read(dev, MODER); - mode |= MODER_RXEN | MODER_TXEN; - ethoc_write(dev, MODER, mode); -} - -static inline void ethoc_disable_rx_and_tx(struct ethoc *dev) -{ - u32 mode = ethoc_read(dev, MODER); - mode &= ~(MODER_RXEN | MODER_TXEN); - ethoc_write(dev, MODER, mode); -} - -static int ethoc_init_ring(struct ethoc *dev) -{ - struct ethoc_bd bd; - int i; - - dev->num_tx = 1; - dev->num_rx = PKTBUFSRX; - - dev->cur_tx = 0; - dev->dty_tx = 0; - dev->cur_rx = 0; - - ethoc_write(dev, TX_BD_NUM, dev->num_tx); - - /* setup transmission buffers */ - bd.addr = 0; - bd.stat = TX_BD_IRQ | TX_BD_CRC; - - for (i = 0; i < dev->num_tx; i++) { - if (i == dev->num_tx - 1) - bd.stat |= TX_BD_WRAP; - - ethoc_write_bd(dev, i, &bd); - } - - bd.stat = RX_BD_EMPTY | RX_BD_IRQ; - - for (i = 0; i < dev->num_rx; i++) { - if (i == dev->num_rx - 1) - bd.stat |= RX_BD_WRAP; - - bd.addr = (u32)NetRxPackets[i]; - ethoc_write_bd(dev, dev->num_tx + i, &bd); - - flush_dcache_range(bd.addr, bd.addr + PKTSIZE); - } - - return 0; -} - -static int ethoc_reset(struct ethoc *dev) -{ - u32 mode; - - /* TODO: reset controller? */ - - ethoc_disable_rx_and_tx(dev); - - /* TODO: setup registers */ - - /* enable FCS generation and automatic padding */ - mode = ethoc_read(dev, MODER); - mode |= MODER_CRC | MODER_PAD; - ethoc_write(dev, MODER, mode); - - /* set full-duplex mode */ - mode = ethoc_read(dev, MODER); - mode |= MODER_FULLD; - ethoc_write(dev, MODER, mode); - ethoc_write(dev, IPGT, 0x15); - - ethoc_write(dev, PACKETLEN, PACKETLEN_MIN_MAX(64, PKTSIZE)); - - ethoc_ack_irq(dev, INT_MASK_ALL); - ethoc_enable_rx_and_tx(dev); - return 0; -} - -static unsigned int ethoc_update_rx_stats(struct eth_device *edev, - struct ethoc_bd *bd) -{ - unsigned int ret = 0; - - if (bd->stat & RX_BD_TL) { - dev_err(&edev->dev, "RX: frame too long\n"); - ret++; - } - - if (bd->stat & RX_BD_SF) { - dev_err(&edev->dev, "RX: frame too short\n"); - ret++; - } - - if (bd->stat & RX_BD_DN) - dev_err(&edev->dev, "RX: dribble nibble\n"); - - if (bd->stat & RX_BD_CRC) { - dev_err(&edev->dev, "RX: wrong CRC\n"); - ret++; - } - - if (bd->stat & RX_BD_OR) { - dev_err(&edev->dev, "RX: overrun\n"); - ret++; - } - - if (bd->stat & RX_BD_LC) { - dev_err(&edev->dev, "RX: late collision\n"); - ret++; - } - - return ret; -} - -static int ethoc_rx(struct eth_device *edev, int limit) -{ - struct ethoc *priv = edev->priv; - int count; - - for (count = 0; count < limit; ++count) { - unsigned int entry; - struct ethoc_bd bd; - - entry = priv->num_tx + priv->cur_rx; - ethoc_read_bd(priv, entry, &bd); - if (bd.stat & RX_BD_EMPTY) { - ethoc_ack_irq(priv, INT_MASK_RX); - /* If packet (interrupt) came in between checking - * BD_EMTPY and clearing the interrupt source, then we - * risk missing the packet as the RX interrupt won't - * trigger right away when we reenable it; hence, check - * BD_EMTPY here again to make sure there isn't such a - * packet waiting for us... - */ - ethoc_read_bd(priv, entry, &bd); - if (bd.stat & RX_BD_EMPTY) - break; - } - - if (ethoc_update_rx_stats(edev, &bd) == 0) { - int size = bd.stat >> 16; - - size -= 4; /* strip the CRC */ - invalidate_dcache_range(bd.addr, bd.addr + PKTSIZE); - net_receive(edev, (unsigned char *)bd.addr, size); - } - - /* clear the buffer descriptor so it can be reused */ - bd.stat &= ~RX_BD_STATS; - bd.stat |= RX_BD_EMPTY; - ethoc_write_bd(priv, entry, &bd); - if (++priv->cur_rx == priv->num_rx) - priv->cur_rx = 0; - } - - return count; -} - -static int ethoc_recv_packet(struct eth_device *edev) -{ - struct ethoc *priv = edev->priv; - - if (ethoc_read(priv, INT_SOURCE) & INT_MASK_RX) - return ethoc_rx(edev, PKTBUFSRX); - - return 0; -} - -static int ethoc_init_dev(struct eth_device *edev) -{ - return 0; -} - - -static int ethoc_open(struct eth_device *edev) -{ - struct ethoc *dev = edev->priv; - - ethoc_init_ring(dev); - ethoc_reset(dev); - - return 0; -} - -static void ethoc_halt(struct eth_device *edev) -{ - ethoc_disable_rx_and_tx(edev->priv); -} - -static int ethoc_get_ethaddr(struct eth_device *edev, unsigned char *mac) -{ - struct ethoc *priv = edev->priv; - u32 reg; - - reg = ethoc_read(priv, MAC_ADDR0); - mac[2] = (reg >> 24) & 0xff; - mac[3] = (reg >> 16) & 0xff; - mac[4] = (reg >> 8) & 0xff; - mac[5] = (reg >> 0) & 0xff; - - reg = ethoc_read(priv, MAC_ADDR1); - mac[0] = (reg >> 8) & 0xff; - mac[1] = (reg >> 0) & 0xff; - - return 0; -} - -static int ethoc_set_ethaddr(struct eth_device *edev, const unsigned char *mac) -{ - struct ethoc *dev = edev->priv; - - ethoc_write(dev, MAC_ADDR0, (mac[2] << 24) | (mac[3] << 16) | - (mac[4] << 8) | (mac[5] << 0)); - ethoc_write(dev, MAC_ADDR1, (mac[0] << 8) | (mac[1] << 0)); - - return 0; -} - -static int ethoc_send_packet(struct eth_device *edev, void *packet, int length) -{ - struct ethoc *priv = edev->priv; - struct ethoc_bd bd; - u32 entry; - u32 pending; - u64 start; - - entry = priv->cur_tx % priv->num_tx; - ethoc_read_bd(priv, entry, &bd); - if (unlikely(length < ETHOC_ZLEN)) - bd.stat |= TX_BD_PAD; - else - bd.stat &= ~TX_BD_PAD; - bd.addr = (u32)packet; - - flush_dcache_range(bd.addr, bd.addr + length); - bd.stat &= ~(TX_BD_STATS | TX_BD_LEN_MASK); - bd.stat |= TX_BD_LEN(length); - ethoc_write_bd(priv, entry, &bd); - - bd.stat |= TX_BD_READY; - ethoc_write_bd(priv, entry, &bd); - - start = get_time_ns(); - do { - pending = ethoc_read(priv, INT_SOURCE); - ethoc_ack_irq(priv, pending & INT_MASK_TX); - - if (is_timeout(start, 200 * MSECOND)) { - dev_err(&edev->dev, "TX timeout\n"); - return -ETIMEDOUT; - } - } while (!(pending & INT_MASK_TX)); - - return 0; -} - -static int ethoc_mdio_read(struct mii_bus *bus, int phy, int reg) -{ - struct ethoc *priv = bus->priv; - u64 start; - u32 data; - - ethoc_write(priv, MIIADDRESS, MIIADDRESS_ADDR(phy, reg)); - ethoc_write(priv, MIICOMMAND, MIICOMMAND_READ); - - start = get_time_ns(); - while (ethoc_read(priv, MIISTATUS) & MIISTATUS_BUSY) { - if (is_timeout(start, 2 * MSECOND)) { - dev_err(bus->parent, "PHY command timeout\n"); - return -EBUSY; - } - } - - data = ethoc_read(priv, MIIRX_DATA); - - /* reset MII command register */ - ethoc_write(priv, MIICOMMAND, 0); - - return data; -} - -static int ethoc_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val) -{ - struct ethoc *priv = bus->priv; - u64 start; - - ethoc_write(priv, MIIADDRESS, MIIADDRESS_ADDR(phy, reg)); - ethoc_write(priv, MIITX_DATA, val); - ethoc_write(priv, MIICOMMAND, MIICOMMAND_WRITE); - - start = get_time_ns(); - while (ethoc_read(priv, MIISTATUS) & MIISTATUS_BUSY) { - if (is_timeout(start, 2 * MSECOND)) { - dev_err(bus->parent, "PHY command timeout\n"); - return -EBUSY; - } - } - - /* reset MII command register */ - ethoc_write(priv, MIICOMMAND, 0); - - return 0; -} - -static int ethoc_probe(struct device_d *dev) -{ - struct resource *iores; - struct eth_device *edev; - struct ethoc *priv; - - edev = xzalloc(sizeof(struct eth_device) + - sizeof(struct ethoc)); - edev->priv = (struct ethoc *)(edev + 1); - - priv = edev->priv; - iores = dev_request_mem_resource(dev, 0); - if (IS_ERR(iores)) - return PTR_ERR(iores); - priv->iobase = IOMEM(iores->start); - - priv->miibus.read = ethoc_mdio_read; - priv->miibus.write = ethoc_mdio_write; - priv->miibus.priv = priv; - priv->miibus.parent = dev; - - edev->init = ethoc_init_dev; - edev->open = ethoc_open; - edev->send = ethoc_send_packet; - edev->recv = ethoc_recv_packet; - edev->halt = ethoc_halt; - - edev->get_ethaddr = ethoc_get_ethaddr; - edev->set_ethaddr = ethoc_set_ethaddr; - edev->parent = dev; - - mdiobus_register(&priv->miibus); - - eth_register(edev); - - return 0; -} - -static struct of_device_id ethoc_dt_ids[] = { - { .compatible = "opencores,ethoc", }, - { } -}; - -static struct driver_d ethoc_driver = { - .name = "ethoc", - .probe = ethoc_probe, - .of_compatible = DRV_OF_COMPAT(ethoc_dt_ids), -}; -device_platform_driver(ethoc_driver); -- 2.29.2 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
