diff options
Diffstat (limited to 'arch/m32r/boot')
| -rw-r--r-- | arch/m32r/boot/Makefile | 19 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/Makefile | 51 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/boot.h | 60 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/head.S | 177 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/install.sh | 57 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/m32r_sio.c | 77 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/misc.c | 93 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/vmlinux.lds.S | 31 | ||||
| -rw-r--r-- | arch/m32r/boot/compressed/vmlinux.scr | 9 | ||||
| -rw-r--r-- | arch/m32r/boot/setup.S | 185 |
10 files changed, 0 insertions, 759 deletions
diff --git a/arch/m32r/boot/Makefile b/arch/m32r/boot/Makefile deleted file mode 100644 index af2cef475d98..000000000000 --- a/arch/m32r/boot/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -# -# arch/m32r/boot/Makefile -# -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. - -targets := zImage -subdir- := compressed - -obj-y := setup.o - -$(obj)/zImage: $(obj)/compressed/vmlinux FORCE - $(call if_changed,objcopy) - @echo 'Kernel: $@ is ready' - -$(obj)/compressed/vmlinux: FORCE - $(Q)$(MAKE) $(build)=$(obj)/compressed $@ - diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile deleted file mode 100644 index abd3c75ebd32..000000000000 --- a/arch/m32r/boot/compressed/Makefile +++ /dev/null @@ -1,51 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# linux/arch/m32r/boot/compressed/Makefile -# -# create a compressed vmlinux image from the original vmlinux -# - -targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ - vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds - -OBJECTS = $(obj)/head.o $(obj)/misc.o - -# -# IMAGE_OFFSET is the load offset of the compression loader -# -#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x2000]) -#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x00400000]) - -LDFLAGS_vmlinux := -T - -$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o FORCE - $(call if_changed,ld) - -$(obj)/vmlinux.bin: vmlinux FORCE - $(call if_changed,objcopy) - -$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE - $(call if_changed,gzip) - -$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE - $(call if_changed,bzip2) - -$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE - $(call if_changed,lzma) - -CFLAGS_misc.o += -fpic - -ifdef CONFIG_MMU -LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r-linux -T -else -LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r -T -endif - -OBJCOPYFLAGS += -R .empty_zero_page - -suffix-$(CONFIG_KERNEL_GZIP) = gz -suffix-$(CONFIG_KERNEL_BZIP2) = bz2 -suffix-$(CONFIG_KERNEL_LZMA) = lzma - -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE - $(call if_changed,ld) diff --git a/arch/m32r/boot/compressed/boot.h b/arch/m32r/boot/compressed/boot.h deleted file mode 100644 index 7fce713e8aac..000000000000 --- a/arch/m32r/boot/compressed/boot.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * 1. load vmlinuz - * - * CONFIG_MEMORY_START +-----------------------+ - * | vmlinuz | - * +-----------------------+ - * 2. decompressed - * - * CONFIG_MEMORY_START +-----------------------+ - * | vmlinuz | - * +-----------------------+ - * | | - * BOOT_RELOC_ADDR +-----------------------+ - * | | - * KERNEL_DECOMPRESS_ADDR +-----------------------+ - * | vmlinux | - * +-----------------------+ - * - * 3. relocate copy & jump code - * - * CONFIG_MEMORY_START +-----------------------+ - * | vmlinuz | - * +-----------------------+ - * | | - * BOOT_RELOC_ADDR +-----------------------+ - * | boot(copy&jump) | - * KERNEL_DECOMPRESS_ADDR +-----------------------+ - * | vmlinux | - * +-----------------------+ - * - * 4. relocate decompressed kernel - * - * CONFIG_MEMORY_START +-----------------------+ - * | vmlinux | - * +-----------------------+ - * | | - * BOOT_RELOC_ADDR +-----------------------+ - * | boot(copy&jump) | - * KERNEL_DECOMPRESS_ADDR +-----------------------+ - * | | - * +-----------------------+ - * - */ -#ifdef __ASSEMBLY__ -#define __val(x) x -#else -#define __val(x) (x) -#endif - -#define DECOMPRESS_OFFSET_BASE __val(0x00900000) -#define BOOT_RELOC_SIZE __val(0x00001000) - -#define KERNEL_EXEC_ADDR __val(CONFIG_MEMORY_START) -#define KERNEL_DECOMPRESS_ADDR __val(CONFIG_MEMORY_START + \ - DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE) -#define KERNEL_ENTRY __val(CONFIG_MEMORY_START + 0x1000) - -#define BOOT_EXEC_ADDR __val(CONFIG_MEMORY_START) -#define BOOT_RELOC_ADDR __val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE) diff --git a/arch/m32r/boot/compressed/head.S b/arch/m32r/boot/compressed/head.S deleted file mode 100644 index 39b693640375..000000000000 --- a/arch/m32r/boot/compressed/head.S +++ /dev/null @@ -1,177 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/arch/m32r/boot/compressed/head.S - * - * Copyright (c) 2001-2003 Hiroyuki Kondo, Hirokazu Takata, - * Hitoshi Yamamoto, Takeo Takahashi - * Copyright (c) 2004 Hirokazu Takata - */ - - .text -#include <linux/linkage.h> -#include <asm/addrspace.h> -#include <asm/page.h> -#include <asm/assembler.h> - - /* - * This code can be loaded anywhere, as long as output will not - * overlap it. - * - * NOTE: This head.S should *NOT* be compiled with -fpic. - * - */ - - .global startup - .global __bss_start, _ebss, end, zimage_data, zimage_len - __ALIGN -startup: - ldi r0, #0x0000 /* SPI, disable EI */ - mvtc r0, psw - - ldi r12, #-8 - bl 1f - .fillinsn -1: - seth r1, #high(CONFIG_MEMORY_START + 0x00400000) /* Start address */ - add r12, r14 /* Real address */ - sub r12, r1 /* difference */ - - .global got_len - seth r3, #high(_GLOBAL_OFFSET_TABLE_+8) - or3 r3, r3, #low(_GLOBAL_OFFSET_TABLE_+12) - add r3, r14 - - /* Update the contents of global offset table */ - ldi r1, #low(got_len) - srli r1, #2 - beqz r1, 2f - .fillinsn -1: - ld r2, @r3 - add r2, r12 - st r2, @r3 - addi r3, #4 - addi r1, #-1 - bnez r1, 1b - .fillinsn -2: - /* XXX: resolve plt */ - -/* - * Clear BSS first so that there are no surprises... - */ -#ifdef CONFIG_ISA_DUAL_ISSUE - seth r2, #high(__bss_start) - or3 r2, r2, #low(__bss_start) - add r2, r12 - seth r3, #high(_ebss) - or3 r3, r3, #low(_ebss) - add r3, r12 - sub r3, r2 - - ; R4 = BSS size in longwords (rounded down) - mv r4, r3 || ldi r1, #0 - srli r4, #4 || addi r2, #-4 - beqz r4, .Lendloop1 -.Lloop1: -#ifndef CONFIG_CHIP_M32310 - ; Touch memory for the no-write-allocating cache. - ld r0, @(4,r2) -#endif - st r1, @+r2 || addi r4, #-1 - st r1, @+r2 - st r1, @+r2 - st r1, @+r2 || cmpeq r1, r4 ; R4 = 0? - bnc .Lloop1 -.Lendloop1: - and3 r4, r3, #15 - addi r2, #4 - beqz r4, .Lendloop2 -.Lloop2: - stb r1, @r2 || addi r4, #-1 - addi r2, #1 - bnez r4, .Lloop2 -.Lendloop2: - -#else /* not CONFIG_ISA_DUAL_ISSUE */ - seth r2, #high(__bss_start) - or3 r2, r2, #low(__bss_start) - add r2, r12 - seth r3, #high(_ebss) - or3 r3, r3, #low(_ebss) - add r3, r12 - sub r3, r2 - mv r4, r3 - srli r4, #2 ; R4 = BSS size in longwords (rounded down) - ldi r1, #0 ; clear R1 for longwords store - addi r2, #-4 ; account for pre-inc store - beqz r4, .Lendloop1 ; any more to go? -.Lloop1: - st r1, @+r2 ; yep, zero out another longword - addi r4, #-1 ; decrement count - bnez r4, .Lloop1 ; go do some more -.Lendloop1: - -#endif /* not CONFIG_ISA_DUAL_ISSUE */ - - seth r1, #high(end) - or3 r1, r1, #low(end) - add r1, r12 - mv sp, r1 - -/* - * decompress the kernel - */ - mv r0, sp - srli r0, 31 /* MMU is ON or OFF */ - seth r1, #high(zimage_data) - or3 r1, r1, #low(zimage_data) - add r1, r12 - seth r2, #high(zimage_len) - or3 r2, r2, #low(zimage_len) - mv r3, sp - - bl decompress_kernel - -#if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_VDEC2) - /* Cache flush */ - ldi r0, -1 - ldi r1, 0xd0 ; invalidate i-cache, copy back d-cache - stb r1, @r0 -#elif defined(CONFIG_CHIP_M32102) - /* Cache flush */ - ldi r0, -2 - ldi r1, 0x0100 ; invalidate - stb r1, @r0 -#elif defined(CONFIG_CHIP_M32104) - /* Cache flush */ - ldi r0, -2 - ldi r1, 0x0700 ; invalidate i-cache, copy back d-cache - sth r1, @r0 -#else -#error "put your cache flush function, please" -#endif - - mv r0, sp - srli r0, 31 /* MMU is ON or OFF */ - slli r0, 31 - or3 r0, r0, #0x2000 - seth r1, #high(CONFIG_MEMORY_START) - or r0, r1 - jmp r0 - - .balign 512 -fake_headers_as_bzImage: - .short 0 - .ascii "HdrS" - .short 0x0202 - .short 0 - .short 0 - .byte 0x00, 0x10 - .short 0 - .byte 0 - .byte 1 - .byte 0x00, 0x80 - .long 0 - .long 0 - diff --git a/arch/m32r/boot/compressed/install.sh b/arch/m32r/boot/compressed/install.sh deleted file mode 100644 index 16e5a0a13437..000000000000 --- a/arch/m32r/boot/compressed/install.sh +++ /dev/null @@ -1,57 +0,0 @@ -#!/bin/sh -# -# arch/sh/boot/install.sh -# -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. -# -# Copyright (C) 1995 by Linus Torvalds -# -# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin -# Adapted from code in arch/i386/boot/install.sh by Russell King -# Adapted from code in arch/arm/boot/install.sh by Stuart Menefy -# Adapted from code in arch/sh/boot/install.sh by Takeo Takahashi -# -# "make install" script for sh architecture -# -# Arguments: -# $1 - kernel version -# $2 - kernel image file -# $3 - kernel map file -# $4 - default install path (blank if root directory) -# - -# User may have a custom install script - -if [ -x /sbin/${INSTALLKERNEL} ]; then - exec /sbin/${INSTALLKERNEL} "$@" -fi - -if [ "$2" = "zImage" ]; then -# Compressed install - echo "Installing compressed kernel" - if [ -f $4/vmlinuz-$1 ]; then - mv $4/vmlinuz-$1 $4/vmlinuz.old - fi - - if [ -f $4/System.map-$1 ]; then - mv $4/System.map-$1 $4/System.old - fi - - cat $2 > $4/vmlinuz-$1 - cp $3 $4/System.map-$1 -else -# Normal install - echo "Installing normal kernel" - if [ -f $4/vmlinux-$1 ]; then - mv $4/vmlinux-$1 $4/vmlinux.old - fi - - if [ -f $4/System.map ]; then - mv $4/System.map $4/System.old - fi - - cat $2 > $4/vmlinux-$1 - cp $3 $4/System.map -fi diff --git a/arch/m32r/boot/compressed/m32r_sio.c b/arch/m32r/boot/compressed/m32r_sio.c deleted file mode 100644 index 9d34bd063c31..000000000000 --- a/arch/m32r/boot/compressed/m32r_sio.c +++ /dev/null @@ -1,77 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * arch/m32r/boot/compressed/m32r_sio.c - * - * 2003-02-12: Takeo Takahashi - * 2006-11-30: OPSPUT support by Kazuhiro Inaoka - * - */ - -#include <asm/processor.h> - -static void m32r_putc(char c); - -static int puts(const char *s) -{ - char c; - while ((c = *s++)) - m32r_putc(c); - return 0; -} - -#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_OPSPUT) -#include <asm/m32r.h> -#include <asm/io.h> - -#define USE_FPGA_MAP 0 - -#if USE_FPGA_MAP -/* - * fpga configuration program uses MMU, and define map as same as - * M32104 uT-Engine board. - */ -#define BOOT_SIO0STS (volatile unsigned short *)(0x02c00000 + 0x20006) -#define BOOT_SIO0TXB (volatile unsigned short *)(0x02c00000 + 0x2000c) -#else -#undef PLD_BASE -#if defined(CONFIG_PLAT_OPSPUT) -#define PLD_BASE 0x1cc00000 -#else -#define PLD_BASE 0xa4c00000 -#endif -#define BOOT_SIO0STS PLD_ESIO0STS -#define BOOT_SIO0TXB PLD_ESIO0TXB -#endif - -static void m32r_putc(char c) -{ - while ((*BOOT_SIO0STS & 0x3) != 0x3) - cpu_relax(); - if (c == '\n') { - *BOOT_SIO0TXB = '\r'; - while ((*BOOT_SIO0STS & 0x3) != 0x3) - cpu_relax(); - } - *BOOT_SIO0TXB = c; -} -#else /* !(CONFIG_PLAT_M32700UT) */ -#if defined(CONFIG_PLAT_MAPPI2) -#define SIO0STS (volatile unsigned short *)(0xa0efd000 + 14) -#define SIO0TXB (volatile unsigned short *)(0xa0efd000 + 30) -#else -#define SIO0STS (volatile unsigned short *)(0x00efd000 + 14) -#define SIO0TXB (volatile unsigned short *)(0x00efd000 + 30) -#endif - -static void m32r_putc(char c) -{ - while ((*SIO0STS & 0x1) == 0) - cpu_relax(); - if (c == '\n') { - *SIO0TXB = '\r'; - while ((*SIO0STS & 0x1) == 0) - cpu_relax(); - } - *SIO0TXB = c; -} -#endif diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c deleted file mode 100644 index 43e367055669..000000000000 --- a/arch/m32r/boot/compressed/misc.c +++ /dev/null @@ -1,93 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * arch/m32r/boot/compressed/misc.c - * - * This is a collection of several routines from gzip-1.0.3 - * adapted for Linux. - * - * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 - * - * Adapted for SH by Stuart Menefy, Aug 1999 - * - * 2003-02-12: Support M32R by Takeo Takahashi - */ - -/* - * gzip declarations - */ -#define STATIC static - -#undef memset -#undef memcpy -#define memzero(s, n) memset ((s), 0, (n)) - -static void error(char *m); - -#include "m32r_sio.c" - -static unsigned long free_mem_ptr; -static unsigned long free_mem_end_ptr; - -#ifdef CONFIG_KERNEL_BZIP2 -void *memset(void *s, int c, size_t n) -{ - char *ss = s; - - while (n--) - *ss++ = c; - return s; -} -#endif - -#ifdef CONFIG_KERNEL_GZIP -void *memcpy(void *dest, const void *src, size_t n) -{ - char *d = dest; - const char *s = src; - while (n--) - *d++ = *s++; - - return dest; -} - -#define BOOT_HEAP_SIZE 0x10000 -#include "../../../../lib/decompress_inflate.c" -#endif - -#ifdef CONFIG_KERNEL_BZIP2 -#define BOOT_HEAP_SIZE 0x400000 -#include "../../../../lib/decompress_bunzip2.c" -#endif - -#ifdef CONFIG_KERNEL_LZMA -#define BOOT_HEAP_SIZE 0x10000 -#include "../../../../lib/decompress_unlzma.c" -#endif - -static void error(char *x) -{ - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - while(1); /* Halt */ -} - -void -decompress_kernel(int mmu_on, unsigned char *zimage_data, - unsigned int zimage_len, unsigned long heap) -{ - unsigned char *input_data = zimage_data; - int input_len = zimage_len; - unsigned char *output_data; - - output_data = (unsigned char *)CONFIG_MEMORY_START + 0x2000 - + (mmu_on ? 0x80000000 : 0); - free_mem_ptr = heap; - free_mem_end_ptr = free_mem_ptr + BOOT_HEAP_SIZE; - - puts("\nDecompressing Linux... "); - __decompress(input_data, input_len, NULL, NULL, output_data, 0, - NULL, error); - puts("done.\nBooting the kernel.\n"); -} diff --git a/arch/m32r/boot/compressed/vmlinux.lds.S b/arch/m32r/boot/compressed/vmlinux.lds.S deleted file mode 100644 index c393eb559c4c..000000000000 --- a/arch/m32r/boot/compressed/vmlinux.lds.S +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -OUTPUT_ARCH(m32r) -ENTRY(startup) -SECTIONS -{ - . = CONFIG_MEMORY_START + 0x00400000; - - _text = .; - .text : { *(.text) } = 0 - .rodata : { *(.rodata) *(.rodata.*) } - _etext = .; - - . = ALIGN(32 / 8); - .data : { *(.data) } - . = ALIGN(32 / 8); - _got = .; - .got : { *(.got) _egot = .; *(.got.*) } - _edata = .; - - . = ALIGN(32 / 8); - __bss_start = .; - .bss : { *(.bss) *(.sbss) } - . = ALIGN(32 / 8); - _ebss = .; - . = ALIGN(4096); - . += 4096; - end = . ; - - got_len = (_egot - _got); -} diff --git a/arch/m32r/boot/compressed/vmlinux.scr b/arch/m32r/boot/compressed/vmlinux.scr deleted file mode 100644 index 924c7992c55b..000000000000 --- a/arch/m32r/boot/compressed/vmlinux.scr +++ /dev/null @@ -1,9 +0,0 @@ -SECTIONS -{ - .data : { - zimage_data = .; - *(.data) - zimage_data_end = .; - } - zimage_len = zimage_data_end - zimage_data; -} diff --git a/arch/m32r/boot/setup.S b/arch/m32r/boot/setup.S deleted file mode 100644 index 5909a825e2ed..000000000000 --- a/arch/m32r/boot/setup.S +++ /dev/null @@ -1,185 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/arch/m32r/boot/setup.S -- A setup code. - * - * Copyright (C) 2001-2005 Hiroyuki Kondo, Hirokazu Takata, - * Hitoshi Yamamoto, Hayato Fujiwara - * - */ - -#include <linux/linkage.h> -#include <asm/segment.h> -#include <asm/page.h> -#include <asm/pgtable.h> - -#include <asm/assembler.h> -#include <asm/mmu_context.h> -#include <asm/m32r.h> - -/* - * References to members of the boot_cpu_data structure. - */ - -#define CPU_PARAMS boot_cpu_data -#define M32R_MCICAR 0xfffffff0 -#define M32R_MCDCAR 0xfffffff4 -#define M32R_MCCR 0xfffffffc -#define M32R_BSCR0 0xffffffd2 - -;BSEL -#define BSEL0CR0 0x00ef5000 -#define BSEL0CR1 0x00ef5004 -#define BSEL1CR0 0x00ef5100 -#define BSEL1CR1 0x00ef5104 -#define BSEL0CR0_VAL 0x00000000 -#define BSEL0CR1_VAL 0x01200100 -#define BSEL1CR0_VAL 0x01018000 -#define BSEL1CR1_VAL 0x00200001 - -;SDRAMC -#define SDRAMC_SDRF0 0x00ef6000 -#define SDRAMC_SDRF1 0x00ef6004 -#define SDRAMC_SDIR0 0x00ef6008 -#define SDRAMC_SDIR1 0x00ef600c -#define SDRAMC_SD0ADR 0x00ef6020 -#define SDRAMC_SD0ER 0x00ef6024 -#define SDRAMC_SD0TR 0x00ef6028 -#define SDRAMC_SD0MOD 0x00ef602c -#define SDRAMC_SD1ADR 0x00ef6040 -#define SDRAMC_SD1ER 0x00ef6044 -#define SDRAMC_SD1TR 0x00ef6048 -#define SDRAMC_SD1MOD 0x00ef604c -#define SDRAM0 0x18000000 -#define SDRAM1 0x1c000000 - -/*------------------------------------------------------------------------ - * start up - */ - -/*------------------------------------------------------------------------ - * Kernel entry - */ - .section .boot, "ax" -ENTRY(boot) - -/* Set cache mode */ -#if defined(CONFIG_CHIP_XNUX2) - ldi r0, #-2 ;LDIMM (r0, M32R_MCCR) - ldi r1, #0x0101 ; cache on (with invalidation) -; ldi r1, #0x00 ; cache off - sth r1, @r0 -#elif defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_VDEC2) \ - || defined(CONFIG_CHIP_OPSP) - ldi r0, #-4 ;LDIMM (r0, M32R_MCCR) - ldi r1, #0x73 ; cache on (with invalidation) -; ldi r1, #0x00 ; cache off - st r1, @r0 -#elif defined(CONFIG_CHIP_M32102) - ldi r0, #-4 ;LDIMM (r0, M32R_MCCR) - ldi r1, #0x101 ; cache on (with invalidation) -; ldi r1, #0x00 ; cache off - st r1, @r0 -#elif defined(CONFIG_CHIP_M32104) - ldi r0, #-96 ; DNCR0 - seth r1, #0x0060 ; from 0x00600000 - or3 r1, r1, #0x0005 ; size 2MB - st r1, @r0 - seth r1, #0x0100 ; from 0x01000000 - or3 r1, r1, #0x0003 ; size 16MB - st r1, @+r0 - seth r1, #0x0200 ; from 0x02000000 - or3 r1, r1, #0x0002 ; size 32MB - st r1, @+r0 - ldi r0, #-4 ;LDIMM (r0, M32R_MCCR) - ldi r1, #0x703 ; cache on (with invalidation) - st r1, @r0 -#else -#error unknown chip configuration -#endif - -#ifdef CONFIG_SMP - ;; if not BSP (CPU#0) goto AP_loop - seth r5, #shigh(M32R_CPUID_PORTL) - ld r5, @(low(M32R_CPUID_PORTL), r5) - bnez r5, AP_loop -#if !defined(CONFIG_PLAT_USRV) - ;; boot AP - ld24 r5, #0xeff2f8 ; IPICR7 - ldi r6, #0x2 ; IPI to CPU1 - st r6, @r5 -#endif -#endif - -/* - * Now, Jump to stext - * if with MMU, TLB on. - * if with no MMU, only jump. - */ - .global eit_vector -mmu_on: - LDIMM (r13, stext) -#ifdef CONFIG_MMU - bl init_tlb - LDIMM (r2, eit_vector) ; set EVB(cr5) - mvtc r2, cr5 - seth r0, #high(MMU_REG_BASE) ; Set MMU_REG_BASE higher - or3 r0, r0, #low(MMU_REG_BASE) ; Set MMU_REG_BASE lower - ldi r1, #0x01 - st r1, @(MATM_offset,r0) ; Set MATM (T bit ON) - ld r0, @(MATM_offset,r0) ; Check -#else -#if defined(CONFIG_CHIP_M32700) - seth r0,#high(M32R_MCDCAR) - or3 r0,r0,#low(M32R_MCDCAR) - ld24 r1,#0x8080 - st r1,@r0 -#elif defined(CONFIG_CHIP_M32104) - LDIMM (r2, eit_vector) ; set EVB(cr5) - mvtc r2, cr5 -#endif -#endif /* CONFIG_MMU */ - jmp r13 - nop - nop - -#ifdef CONFIG_SMP -/* - * AP wait loop - */ -ENTRY(AP_loop) - ;; disable interrupt - clrpsw #0x40 - ;; reset EVB - LDIMM (r4, _AP_RE) - seth r5, #high(__PAGE_OFFSET) - or3 r5, r5, #low(__PAGE_OFFSET) - not r5, r5 - and r4, r5 - mvtc r4, cr5 - ;; disable maskable interrupt - seth r4, #high(M32R_ICU_IMASK_PORTL) - or3 r4, r4, #low(M32R_ICU_IMASK_PORTL) - ldi r5, #0 - st r5, @r4 - ld r5, @r4 - ;; enable only IPI - setpsw #0x40 - ;; LOOOOOOOOOOOOOOP!!! - .fillinsn -2: - nop - nop - bra 2b - nop - nop - -#ifdef CONFIG_CHIP_M32700_TS1 - .global dcache_dummy - .balign 16, 0 -dcache_dummy: - .byte 16 -#endif /* CONFIG_CHIP_M32700_TS1 */ -#endif /* CONFIG_SMP */ - - .end - |