diff options
| author | Tom Rini <trini@konsulko.com> | 2017-03-14 11:08:12 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-04-05 13:52:34 -0400 |
| commit | 70cc0c34b638fbf99f0984dc53312cd8479c99a7 (patch) | |
| tree | d0ef8822cc0f6e71c300795cb6be3260414d11bc /arch/openrisc | |
| parent | 936478e797a87bcd4e002bf70430b6f58584b155 (diff) | |
OpenRISC: Remove
The OpenRISC architecture is currently unmaintained, remove.
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/openrisc')
34 files changed, 0 insertions, 2362 deletions
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig deleted file mode 100644 index 11014d1e32..0000000000 --- a/arch/openrisc/Kconfig +++ /dev/null @@ -1,18 +0,0 @@ -menu "OpenRISC architecture" - depends on OPENRISC - -config SYS_ARCH - default "openrisc" - -choice - prompt "Target select" - optional - -config TARGET_OPENRISC_GENERIC - bool "Support openrisc-generic" - -endchoice - -source "board/openrisc/openrisc-generic/Kconfig" - -endmenu diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile deleted file mode 100644 index c4da3ce9d8..0000000000 --- a/arch/openrisc/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# SPDX-License-Identifier: GPL-2.0+ -# - -head-y := arch/openrisc/cpu/start.o - -libs-y += arch/openrisc/cpu/ -libs-y += arch/openrisc/lib/ diff --git a/arch/openrisc/config.mk b/arch/openrisc/config.mk deleted file mode 100644 index bfdb71f0be..0000000000 --- a/arch/openrisc/config.mk +++ /dev/null @@ -1,16 +0,0 @@ -# -# (C) Copyright 2011 -# Julius Baxter <julius@opencores.org> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -ifeq ($(CROSS_COMPILE),) -CROSS_COMPILE := or1k-elf- -endif - -# r10 used for global object pointer, already set in OR32 GCC but just to be -# clear -PLATFORM_CPPFLAGS += -D__OR1K__ -ffixed-r10 - -CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 diff --git a/arch/openrisc/cpu/Makefile b/arch/openrisc/cpu/Makefile deleted file mode 100644 index fc47d666fe..0000000000 --- a/arch/openrisc/cpu/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# (C) Copyright 2011 -# Julius Baxter <julius@opencores.org> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -extra-y = start.o -obj-y = cache.o cpu.o exceptions.o interrupts.o diff --git a/arch/openrisc/cpu/cache.c b/arch/openrisc/cpu/cache.c deleted file mode 100644 index fe5b704fb0..0000000000 --- a/arch/openrisc/cpu/cache.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/system.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); -} - -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; -} diff --git a/arch/openrisc/cpu/cpu.c b/arch/openrisc/cpu/cpu.c deleted file mode 100644 index 272656a361..0000000000 --- a/arch/openrisc/cpu/cpu.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/system.h> -#include <asm/openrisc_exc.h> - -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 void 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); -} - -int checkcpu(void) -{ - ulong upr = mfspr(SPR_UPR); - ulong vr = mfspr(SPR_VR); - 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; - - printf("CPU: OpenRISC-%x00 (rev %d) @ %d MHz\n", - ver, rev, (CONFIG_SYS_CLK_FREQ / 1000000)); - - 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; -} - -int cleanup_before_linux(void) -{ - disable_interrupts(); - return 0; -} - -extern void __reset(void); - -int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - disable_interrupts(); - /* Code the jump to __reset here as the compiler is prone to - emitting a bad jump instruction if the function is in flash */ - __asm__("l.movhi r1,hi(__reset); \ - l.ori r1,r1,lo(__reset); \ - l.jr r1"); - /* not reached, __reset does not return */ - return 0; -} diff --git a/arch/openrisc/cpu/exceptions.c b/arch/openrisc/cpu/exceptions.c deleted file mode 100644 index b339997487..0000000000 --- a/arch/openrisc/cpu/exceptions.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <stdio_dev.h> -#include <asm/system.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(); -} - -void exception_handler(int vect) -{ - int exception = vect >> 8; - - if (handlers[exception]) - handlers[exception](); - else - exception_hang(vect); -} diff --git a/arch/openrisc/cpu/interrupts.c b/arch/openrisc/cpu/interrupts.c deleted file mode 100644 index 1ecfbf03ac..0000000000 --- a/arch/openrisc/cpu/interrupts.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/types.h> -#include <asm/ptrace.h> -#include <asm/system.h> -#include <asm/openrisc_exc.h> - -struct irq_action { - interrupt_handler_t *handler; - void *arg; - int count; -}; - -static struct irq_action handlers[32]; - -void interrupt_handler(void) -{ - int irq; - - while ((irq = ffs(mfspr(SPR_PICSR)))) { - if (handlers[--irq].handler) { - handlers[irq].handler(handlers[irq].arg); - handlers[irq].count++; - } else { - /* disable the interrupt */ - mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(1 << irq)); - printf("Unhandled interrupt: %d\n", irq); - } - /* clear the interrupt */ - mtspr(SPR_PICSR, mfspr(SPR_PICSR) & ~(1 << irq)); - } -} - -int interrupt_init(void) -{ - /* install handler for external interrupt exception */ - exception_install_handler(EXC_EXT_IRQ, interrupt_handler); - /* Enable interrupts in supervisor register */ - mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE); - - return 0; -} - -void enable_interrupts(void) -{ - /* Set interrupt enable bit in supervisor register */ - mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE); - /* Enable timer exception */ - mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_TEE); -} - -int disable_interrupts(void) -{ - /* Clear interrupt enable bit in supervisor register */ - mtspr(SPR_SR, mfspr(SPR_SR) & ~SPR_SR_IEE); - /* Disable timer exception */ - mtspr(SPR_SR, mfspr(SPR_SR) & ~SPR_SR_TEE); - - return 0; -} - -void irq_install_handler(int irq, interrupt_handler_t *handler, void *arg) -{ - if (irq < 0 || irq > 31) - return; - - handlers[irq].handler = handler; - handlers[irq].arg = arg; -} - -void irq_free_handler(int irq) -{ - if (irq < 0 || irq > 31) - return; - - handlers[irq].handler = 0; - handlers[irq].arg = 0; -} - -#if defined(CONFIG_CMD_IRQ) -int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int i; - - printf("\nInterrupt-Information:\n\n"); - printf("Nr Routine Arg Count\n"); - printf("-----------------------------\n"); - - for (i = 0; i < 32; i++) { - if (handlers[i].handler) { - printf("%02d %08lx %08lx %d\n", - i, - (ulong)handlers[i].handler, - (ulong)handlers[i].arg, - handlers[i].count); - } - } - printf("\n"); - - return 0; -} -#endif diff --git a/arch/openrisc/cpu/start.S b/arch/openrisc/cpu/start.S deleted file mode 100644 index 1ae3b75f3b..0000000000 --- a/arch/openrisc/cpu/start.S +++ /dev/null @@ -1,352 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * (C) Copyright 2014, Franck Jullien <franck.jullien@gmail.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <asm-offsets.h> -#include <asm/spr-defs.h> - -#define EXCEPTION_STACK_SIZE (128+128) - -#define HANDLE_EXCEPTION \ - l.addi r1, r1, -EXCEPTION_STACK_SIZE ;\ - l.sw 0x00(r1), r2 ;\ - l.sw 0x1c(r1), r9 ;\ - l.movhi r2,hi(_exception_handler) ;\ - l.ori r2,r2,lo(_exception_handler) ;\ - l.jalr r2 ;\ - 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 r5, 0 /* Destination */ - 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 u-boot */ - 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 */ - - 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(CONFIG_SYS_INIT_SP_ADDR) - l.ori r1, r1, lo(CONFIG_SYS_INIT_SP_ADDR) - 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 board_init - 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 (r2 and r9 already saved)*/ - 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/cpu/u-boot.lds b/arch/openrisc/cpu/u-boot.lds deleted file mode 100644 index 854088b880..0000000000 --- a/arch/openrisc/cpu/u-boot.lds +++ /dev/null @@ -1,77 +0,0 @@ -#include <config.h> -OUTPUT_ARCH(or1k) -__DYNAMIC = 0; - -MEMORY -{ - vectors : ORIGIN = 0, LENGTH = 0x2000 - ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, - LENGTH = CONFIG_SYS_MONITOR_LEN -} - -SECTIONS -{ - .vectors : - { - *(.vectors) - } > vectors - - __start = .; - .text : AT (__start) { - _stext = .; - *(.text) - _etext = .; - *(.lit) - *(.shdata) - _endtext = .; - } > ram - - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } > ram - - .rodata : { - *(.rodata); - *(.rodata.*) - } > ram - - .shbss : - { - *(.shbss) - } > ram - - .talias : - { - } > ram - - .data : { - sdata = .; - _sdata = .; - *(.data) - edata = .; - _edata = .; - } > ram - - .bss : - { - _bss_start = .; - *(.bss) - *(COMMON) - _bss_end = .; - } > ram - __end = .; - - /* No stack specification - done manually */ - - .stab 0 (NOLOAD) : - { - [ .stab ] - } - - .stabstr 0 (NOLOAD) : - { - [ .stabstr ] - } -} diff --git a/arch/openrisc/include/asm/bitops.h b/arch/openrisc/include/asm/bitops.h deleted file mode 100644 index 28c4658672..0000000000 --- a/arch/openrisc/include/asm/bitops.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_OPENRISC_BITOPS_H -#define __ASM_OPENRISC_BITOPS_H - -#define PLATFORM_FLS -#include <asm/bitops/fls.h> -#define PLATFORM_FFS -#include <asm/bitops/ffs.h> - -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.h> -#include <asm-generic/bitops/__ffs.h> - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -#endif /* __ASM_GENERIC_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 50746cfa0b..0000000000 --- a/arch/openrisc/include/asm/bitops/ffs.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * OpenRISC Linux - * - * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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 74472299c5..0000000000 --- a/arch/openrisc/include/asm/bitops/fls.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * OpenRISC Linux - * - * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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/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 22d43703f4..0000000000 --- a/arch/openrisc/include/asm/cache.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_OPENRISC_CACHE_H_ -#define __ASM_OPENRISC_CACHE_H_ - -/* - * 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/config.h b/arch/openrisc/include/asm/config.h deleted file mode 100644 index cd29734789..0000000000 --- a/arch/openrisc/include/asm/config.h +++ /dev/null @@ -1,10 +0,0 @@ -/* - * Copyright 2009 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _ASM_CONFIG_H_ -#define _ASM_CONFIG_H_ - -#endif diff --git a/arch/openrisc/include/asm/global_data.h b/arch/openrisc/include/asm/global_data.h deleted file mode 100644 index 428ce1b4de..0000000000 --- a/arch/openrisc/include/asm/global_data.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * (C) Copyright 2004 Atmark Techno, Inc. - * - * Yasushi SHOJI <yashi@atmark-techno.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_GBL_DATA_H -#define __ASM_GBL_DATA_H - -/* Architecture-specific global data */ -struct arch_global_data { -}; - -#include <asm-generic/global_data.h> - -/* OR32 GCC already has r10 set as fixed-use */ -#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r10") - -#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/openrisc/include/asm/gpio.h b/arch/openrisc/include/asm/gpio.h deleted file mode 100644 index c57a430275..0000000000 --- a/arch/openrisc/include/asm/gpio.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * OpenRISC gpio driver - * - * Copyright (C) 2011 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * - * based on nios2 gpio driver - * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw> - * - * when CONFIG_SYS_GPIO_BASE is not defined, board may provide - * its own driver. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifdef CONFIG_SYS_GPIO_BASE -#include <asm/io.h> - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return 0; -} - -static inline int gpio_free(unsigned gpio) -{ - return 0; -} - -static inline int gpio_get_value(unsigned gpio) -{ - return (readb(CONFIG_SYS_GPIO_BASE + gpio/8) >> gpio%8) & 0x1; -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - u8 tmp = readb(CONFIG_SYS_GPIO_BASE + gpio/8); - - if (value) - tmp |= (1 << gpio%8); - else - tmp &= ~(1 << gpio%8); - writeb(tmp, CONFIG_SYS_GPIO_BASE + gpio/8); -} - -static inline int gpio_direction_input(unsigned gpio) -{ - gpio_set_value(gpio + CONFIG_SYS_GPIO_WIDTH, 0); - - return 0; -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - gpio_set_value(gpio + CONFIG_SYS_GPIO_WIDTH, 1); - gpio_set_value(gpio, value); - - return 0; -} - -static inline int gpio_is_valid(int number) -{ - return ((unsigned)number) < CONFIG_SYS_GPIO_WIDTH; -} -#else -extern int gpio_request(unsigned gpio, const char *label); -extern int gpio_free(unsigned gpio); -extern int gpio_direction_input(unsigned gpio); -extern int gpio_direction_output(unsigned gpio, int value); -extern int gpio_get_value(unsigned gpio); -extern void gpio_set_value(unsigned gpio, int value); -extern int gpio_is_valid(int number); -#endif /* CONFIG_SYS_GPIO_BASE */ diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h deleted file mode 100644 index 86fbbc46d3..0000000000 --- a/arch/openrisc/include/asm/io.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_OPENRISC_IO_H -#define __ASM_OPENRISC_IO_H - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void * -map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -/* - * Change virtual addresses to physical addresses - */ -static inline phys_addr_t virt_to_phys(void *vaddr) -{ - return (phys_addr_t)(vaddr); -} - - -/* - * readX/writeX() are used to access memory mapped devices. On some - * architectures the memory mapped IO stuff needs to be accessed - * differently. On the openrisc architecture, we just read/write the - * memory location directly. - */ -#define readb(addr) (*(volatile unsigned char *) (addr)) -#define readw(addr) (*(volatile unsigned short *) (addr)) -#define readl(addr) (*(volatile unsigned int *) (addr)) -#define __raw_readb readb -#define __raw_readw readw -#define __raw_readl readl - -#define writeb(b, addr) ((*(volatile unsigned char *) (addr)) = (b)) -#define writew(b, addr) ((*(volatile unsigned short *) (addr)) = (b)) -#define writel(b, addr) ((*(volatile unsigned int *) (addr)) = (b)) -#define __raw_writeb writeb -#define __raw_writew writew -#define __raw_writel writel - -#define memset_io(a, b, c) memset((void *)(a), (b), (c)) -#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c)) -#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c)) - -/* - * Again, OpenRISC does not require mem IO specific function. - */ - - -#define IO_BASE 0x0 -#define IO_SPACE_LIMIT 0xffffffff - -#define inb(port) readb((port + IO_BASE)) -#define outb(value, port) writeb((value), (port + IO_BASE)) -#define inb_p(port) inb((port)) -#define outb_p(value, port) outb((value), (port)) - -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) - -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -#define ioread8(addr) readb(addr) -#define ioread16(addr) readw(addr) -#define ioread32(addr) readl(addr) - -#define iowrite8(v, addr) writeb((v), (addr)) -#define iowrite16(v, addr) writew((v), (addr)) -#define iowrite32(v, addr) writel((v), (addr)) - -#endif diff --git a/arch/openrisc/include/asm/linkage.h b/arch/openrisc/include/asm/linkage.h deleted file mode 100644 index e69de29bb2..0000000000 --- a/arch/openrisc/include/asm/linkage.h +++ /dev/null diff --git a/arch/openrisc/include/asm/openrisc_exc.h b/arch/openrisc/include/asm/openrisc_exc.h deleted file mode 100644 index a53ed826dd..0000000000 --- a/arch/openrisc/include/asm/openrisc_exc.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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 d1fffe0374..0000000000 --- a/arch/openrisc/include/asm/posix_types.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Based on microblaze implementation: - * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au> - * Copyright (C) 2001,2002 NEC Corporation - * Copyright (C) 2001,2002 Miles Bader <miles@gnu.org> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of this - * archive for more details. - * - * Written by Miles Bader <miles@gnu.org> - * Microblaze port by John Williams - */ - -#ifndef __ASM_OPENRISC_POSIX_TYPES_H -#define __ASM_OPENRISC_POSIX_TYPES_H - -typedef unsigned int __kernel_dev_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned long long __kernel_ino64_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned int __kernel_nlink_t; -typedef long __kernel_off_t; -typedef long long __kernel_loff_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_daddr_t; -typedef char *__kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; - - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(fd, fd_set) \ - __set_bit(fd, (void *)&((__kernel_fd_set *)fd_set)->fds_bits) -#undef __FD_CLR -#define __FD_CLR(fd, fd_set) \ - __clear_bit(fd, (void *)&((__kernel_fd_set *)fd_set)->fds_bits) -#undef __FD_ISSET -#define __FD_ISSET(fd, fd_set) \ - __test_bit(fd, (void *)&((__kernel_fd_set *)fd_set)->fds_bits) -#undef __FD_ZERO -#define __FD_ZERO(fd_set) \ - memset(fd_set, 0, sizeof(*(fd_set *)fd_set)) - -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ - -#endif /* __ASM_OPENRISC_POSIX_TYPES_H */ diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h deleted file mode 100644 index 304c95fb3a..0000000000 --- a/arch/openrisc/include/asm/processor.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef __ASM_OPENRISC_PROCESSOR_H -#define __ASM_OPENRISC_PROCESSOR_H - -#endif diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h deleted file mode 100644 index 6608d8a6ea..0000000000 --- a/arch/openrisc/include/asm/ptrace.h +++ /dev/null @@ -1,128 +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@bsemi.com> - * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * et al. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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 bbe20f7384..0000000000 --- a/arch/openrisc/include/asm/sections.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * Copyright (c) 2012 The Chromium OS Authors. - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_OPENRISC_SECTIONS_H -#define __ASM_OPENRISC_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif diff --git a/arch/openrisc/include/asm/spr-defs.h b/arch/openrisc/include/asm/spr-defs.h deleted file mode 100644 index e30d2104a0..0000000000 --- a/arch/openrisc/include/asm/spr-defs.h +++ /dev/null @@ -1,575 +0,0 @@ -/* - * SPR Definitions - * - * Copyright (C) 2000 Damjan Lampret - * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> - * Copyright (C) 2008, 2010 Embecosm Limited - * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * et al. - * - * SPDX-License-Identifier: GPL-2.0+ - * - * 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/system.h b/arch/openrisc/include/asm/system.h deleted file mode 100644 index 7adfd8809c..0000000000 --- a/arch/openrisc/include/asm/system.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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 1fe00bf38a..0000000000 --- a/arch/openrisc/include/asm/types.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _ASM_TYPES_H -#define _ASM_TYPES_H - -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -typedef unsigned short umode_t; - -/* - * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the - * header files exported to user space - */ - -typedef __signed__ char __s8; -typedef unsigned char __u8; - -typedef __signed__ short __s16; -typedef unsigned short __u16; - -typedef __signed__ int __s32; -typedef unsigned int __u32; - -#if defined(__GNUC__) -__extension__ typedef __signed__ long long __s64; -__extension__ typedef unsigned long long __u64; -#endif - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -#ifdef __KERNEL__ - -typedef signed char s8; -typedef unsigned char u8; - -typedef signed short s16; -typedef unsigned short u16; - -typedef signed int s32; -typedef unsigned int u32; - -typedef signed long long s64; -typedef unsigned long long u64; - -#define BITS_PER_LONG 32 - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -typedef unsigned long phys_addr_t; -typedef unsigned long phys_size_t; -#endif /* __KERNEL__ */ - -#endif /* _ASM_TYPES_H */ diff --git a/arch/openrisc/include/asm/u-boot.h b/arch/openrisc/include/asm/u-boot.h deleted file mode 100644 index cdb8ff996e..0000000000 --- a/arch/openrisc/include/asm/u-boot.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * SPDX-License-Identifier: GPL-2.0+ - * - ******************************************************************** - * NOTE: This header file defines an interface to U-Boot. Including - * this (unmodified) header file in another file is considered normal - * use of U-Boot, and does *not* fall under the heading of "derived - * work". - ******************************************************************** - */ - -#ifndef _U_BOOT_H_ -#define _U_BOOT_H_ - -typedef struct bd_info { - unsigned long bi_arch_number; /* unique id for this board */ - unsigned long bi_boot_params; /* where this board expects params */ - unsigned long bi_memstart; /* start of DRAM memory */ - phys_size_t bi_memsize; /* size of DRAM memory in bytes */ - unsigned long bi_flashstart; /* start of FLASH memory */ - unsigned long bi_flashsize; /* size of FLASH memory */ - unsigned long bi_flashoffset; /* reserved area for startup monitor */ -} bd_t; - -#define IH_ARCH_DEFAULT IH_ARCH_OPENRISC - -#endif /* _U_BOOT_H_ */ diff --git a/arch/openrisc/include/asm/unaligned.h b/arch/openrisc/include/asm/unaligned.h deleted file mode 100644 index 6cecbbb211..0000000000 --- a/arch/openrisc/include/asm/unaligned.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/unaligned.h> diff --git a/arch/openrisc/lib/Makefile b/arch/openrisc/lib/Makefile deleted file mode 100644 index 3a2f6ec243..0000000000 --- a/arch/openrisc/lib/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# (C) Copyright 2003-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_CMD_BOOTM) += bootm.o -obj-y += timer.o diff --git a/arch/openrisc/lib/bootm.c b/arch/openrisc/lib/bootm.c deleted file mode 100644 index a18748f61f..0000000000 --- a/arch/openrisc/lib/bootm.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * (C) Copyright 2011 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * - * Based on microblaze implementation by: - * (C) Copyright 2007 Michal Simek - * (C) Copyright 2004 Atmark Techno, Inc. - * - * Michal SIMEK <monstr@monstr.eu> - * Yasushi SHOJI <yashi@atmark-techno.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <image.h> -#include <u-boot/zlib.h> -#include <asm/byteorder.h> - -DECLARE_GLOBAL_DATA_PTR; - -int do_bootm_linux(int flag, int argc, char * const argv[], - bootm_headers_t *images) -{ - void (*kernel) (unsigned int); - ulong rd_data_start, rd_data_end; - - /* - * allow the PREP bootm subcommand, it is required for bootm to work - */ - if (flag & BOOTM_STATE_OS_PREP) - return 0; - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - int ret; - - char *of_flat_tree = NULL; -#if defined(CONFIG_OF_LIBFDT) - /* did generic code already find a device tree? */ - if (images->ft_len) - of_flat_tree = images->ft_addr; -#endif - - kernel = (void (*)(unsigned int))images->ep; - - /* find ramdisk */ - ret = boot_get_ramdisk(argc, argv, images, IH_ARCH_OPENRISC, - &rd_data_start, &rd_data_end); - if (ret) - return 1; - - show_boot_progress(15); - - if (!of_flat_tree && argc > 1) - of_flat_tree = (char *)simple_strtoul(argv[1], NULL, 16); -#ifdef DEBUG - printf("## Transferring control to Linux (at address 0x%08lx) " \ - "ramdisk 0x%08lx, FDT 0x%08lx...\n", - (ulong) kernel, rd_data_start, (ulong) of_flat_tree); -#endif - if (dcache_status() || icache_status()) - flush_cache((ulong)kernel, max(checkdcache(), checkicache())); - - /* - * Linux Kernel Parameters (passing device tree): - * r3: pointer to the fdt, followed by the board info data - */ - kernel((unsigned int) of_flat_tree); - /* does not return */ - - return 1; -} diff --git a/arch/openrisc/lib/timer.c b/arch/openrisc/lib/timer.c deleted file mode 100644 index db8ddbdba5..0000000000 --- a/arch/openrisc/lib/timer.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> - * (C) Copyright 2011, Julius Baxter <julius@opencores.org> - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/system.h> -#include <asm/openrisc_exc.h> - -static ulong timestamp; - -/* how many counter cycles in a jiffy */ -#define TIMER_COUNTER_CYCLES (CONFIG_SYS_CLK_FREQ/CONFIG_SYS_OPENRISC_TMR_HZ) -/* how many ms elapses between each timer interrupt */ -#define TIMER_TIMESTAMP_INC (1000/CONFIG_SYS_OPENRISC_TMR_HZ) -/* how many cycles per ms */ -#define TIMER_CYCLES_MS (CONFIG_SYS_CLK_FREQ/1000) -/* how many cycles per us */ -#define TIMER_CYCLES_US (CONFIG_SYS_CLK_FREQ/1000000uL) - -void timer_isr(void) -{ - timestamp += TIMER_TIMESTAMP_INC; - mtspr(SPR_TTMR, SPR_TTMR_IE | SPR_TTMR_RT | - (TIMER_COUNTER_CYCLES & SPR_TTMR_TP)); -} - -int timer_init(void) -{ - /* Install timer exception handler */ - exception_install_handler(EXC_TIMER, timer_isr); - - /* Set up the timer for the first expiration. */ - timestamp = 0; - - mtspr(SPR_TTMR, SPR_TTMR_IE | SPR_TTMR_RT | - (TIMER_COUNTER_CYCLES & SPR_TTMR_TP)); - - /* Enable tick timer exception in supervisor register */ - mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_TEE); - - return 0; -} - -void reset_timer(void) -{ - timestamp = 0; - - mtspr(SPR_TTMR, SPR_TTMR_IE | SPR_TTMR_RT | - (TIMER_COUNTER_CYCLES & SPR_TTMR_TP)); -} - -/* - * The timer value in ms is calculated by taking the - * value accumulated by full timer revolutions plus the value - * accumulated in this period - */ -ulong get_timer(ulong base) -{ - return timestamp + mfspr(SPR_TTCR)/TIMER_CYCLES_MS - base; -} - -void set_timer(ulong t) -{ - reset_timer(); - timestamp = t; -} - -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -ulong get_tbclk(void) -{ - return CONFIG_SYS_HZ; -} - -void __udelay(ulong usec) -{ - ulong elapsed = 0; - ulong tick; - ulong last_tick; - - last_tick = mfspr(SPR_TTCR); - while ((elapsed / TIMER_CYCLES_US) < usec) { - tick = mfspr(SPR_TTCR); - if (tick >= last_tick) - elapsed += (tick - last_tick); - else - elapsed += TIMER_COUNTER_CYCLES - (last_tick - tick); - last_tick = tick; - } -} |