diff options
Diffstat (limited to 'arch/cris/boot')
22 files changed, 0 insertions, 2001 deletions
diff --git a/arch/cris/boot/.gitignore b/arch/cris/boot/.gitignore deleted file mode 100644 index 171a0853caf8..000000000000 --- a/arch/cris/boot/.gitignore +++ /dev/null @@ -1,2 +0,0 @@ -Image -zImage diff --git a/arch/cris/boot/Makefile b/arch/cris/boot/Makefile deleted file mode 100644 index 859d275f862b..000000000000 --- a/arch/cris/boot/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# arch/cris/boot/Makefile -# - -objcopyflags-$(CONFIG_ETRAX_ARCH_V10) += -R .note -R .comment -objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss --remove-section=.note.gnu.build-id - -OBJCOPYFLAGS = -O binary $(objcopyflags-y) - - -subdir- := compressed rescue -targets := Image - -$(obj)/Image: vmlinux FORCE - $(call if_changed,objcopy) - @echo ' Kernel: $@ is ready' - -$(obj)/compressed/vmlinux: $(obj)/Image FORCE - $(Q)$(MAKE) $(build)=$(obj)/compressed $@ - $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin - -$(obj)/zImage: $(obj)/compressed/vmlinux - @cp $< $@ - @echo ' Kernel: $@ is ready' diff --git a/arch/cris/boot/compressed/Makefile b/arch/cris/boot/compressed/Makefile deleted file mode 100644 index e149c3467c93..000000000000 --- a/arch/cris/boot/compressed/Makefile +++ /dev/null @@ -1,36 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# arch/cris/boot/compressed/Makefile -# - -# asflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/mach \ -# -I$(srctree)/include/asm/arch -# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -O2 -I$(srctree)/include/asm/mach -# -I$(srctree)/include/asm/arch - -arch-$(CONFIG_ETRAX_ARCH_V10) = v10 -arch-$(CONFIG_ETRAX_ARCH_V32) = v32 - -ldflags-y += -T $(srctree)/$(src)/decompress_$(arch-y).lds - -OBJECTS-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o -OBJECTS-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o -OBJECTS= $(OBJECTS-y) $(obj)/misc.o -OBJCOPYFLAGS = -O binary --remove-section=.bss - -quiet_cmd_image = BUILD $@ -cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@ - -targets := vmlinux piggy.gz decompress.o decompress.bin - -$(obj)/decompress.o: $(OBJECTS) FORCE - $(call if_changed,ld) - -$(obj)/decompress.bin: $(obj)/decompress.o FORCE - $(call if_changed,objcopy) - -$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE - $(call if_changed,image) - -$(obj)/piggy.gz: $(obj)/../Image FORCE - $(call if_changed,gzip) diff --git a/arch/cris/boot/compressed/README b/arch/cris/boot/compressed/README deleted file mode 100644 index 182c5d75784b..000000000000 --- a/arch/cris/boot/compressed/README +++ /dev/null @@ -1,24 +0,0 @@ -Creation of the self-extracting compressed kernel image (vmlinuz) ------------------------------------------------------------------ - -This can be slightly confusing because it's a process with many steps. - -The kernel object built by the arch/etrax100/Makefile, vmlinux, is split -by that makefile into text and data binary files, vmlinux.text and -vmlinux.data. - -Those files together with a ROM filesystem can be catted together and -burned into a flash or executed directly at the DRAM origin. - -They can also be catted together and compressed with gzip, which is what -happens in this makefile. Together they make up piggy.img. - -The decompressor is built into the file decompress.o. It is turned into -the binary file decompress.bin, which is catted together with piggy.img -into the file vmlinuz. It can be executed in an arbitrary place in flash. - -Be careful - it assumes some things about free locations in DRAM. It -assumes the DRAM starts at 0x40000000 and that it is at least 8 MB, -so it puts its code at 0x40700000, and initial stack at 0x40800000. - --Bjorn diff --git a/arch/cris/boot/compressed/decompress_v10.lds b/arch/cris/boot/compressed/decompress_v10.lds deleted file mode 100644 index d8326779dda2..000000000000 --- a/arch/cris/boot/compressed/decompress_v10.lds +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* OUTPUT_FORMAT(elf32-us-cris) */ -OUTPUT_FORMAT(elf32-cris) - -MEMORY - { - dram : ORIGIN = 0x40700000, - LENGTH = 0x00100000 - } - -SECTIONS -{ - .text : - { - _stext = . ; - *(.text) - *(.rodata) - *(.rodata.*) - _etext = . ; - } > dram - .data : - { - *(.data) - _edata = . ; - } > dram - .bss : - { - *(.bss) - _end = ALIGN( 0x10 ) ; - } > dram -} diff --git a/arch/cris/boot/compressed/decompress_v32.lds b/arch/cris/boot/compressed/decompress_v32.lds deleted file mode 100644 index 91d311c243ed..000000000000 --- a/arch/cris/boot/compressed/decompress_v32.lds +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/*#OUTPUT_FORMAT(elf32-us-cris) */ -OUTPUT_ARCH (crisv32) - -MEMORY - { - dram : ORIGIN = 0x40700000, - LENGTH = 0x00100000 - } - -SECTIONS -{ - .text : - { - _stext = . ; - *(.text) - *(.rodata) - *(.rodata.*) - _etext = . ; - } > dram - .data : - { - *(.data) - _edata = . ; - } > dram - .bss : - { - *(.bss) - _end = ALIGN( 0x10 ) ; - } > dram -} diff --git a/arch/cris/boot/compressed/head_v10.S b/arch/cris/boot/compressed/head_v10.S deleted file mode 100644 index 08198d8cd37f..000000000000 --- a/arch/cris/boot/compressed/head_v10.S +++ /dev/null @@ -1,127 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * arch/cris/boot/compressed/head.S - * - * Copyright (C) 1999, 2001 Axis Communications AB - * - * Code that sets up the DRAM registers, calls the - * decompressor to unpack the piggybacked kernel, and jumps. - * - */ - -#define ASSEMBLER_MACROS_ONLY -#include <arch/sv_addr_ag.h> - -#define RAM_INIT_MAGIC 0x56902387 -#define COMMAND_LINE_MAGIC 0x87109563 - - ;; Exported symbols - - .globl input_data - - - .text - - nop - di - -;; We need to initialze DRAM registers before we start using the DRAM - - cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized? - beq dram_init_finished - nop - -#include "../../arch-v10/lib/dram_init.S" - -dram_init_finished: - - ;; Initiate the PA and PB ports - - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0 - move.b $r0, [R_PORT_PA_DATA] - - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0 - move.b $r0, [R_PORT_PA_DIR] - - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0 - move.b $r0, [R_PORT_PB_DATA] - - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0 - move.b $r0, [R_PORT_PB_DIR] - - ;; Setup the stack to a suitably high address. - ;; We assume 8 MB is the minimum DRAM in an eLinux - ;; product and put the sp at the top for now. - - move.d 0x40800000, $sp - - ;; Figure out where the compressed piggyback image is - ;; in the flash (since we wont try to copy it to DRAM - ;; before unpacking). It is at _edata, but in flash. - ;; Use (_edata - basse) as offset to the current PC. - -basse: move.d $pc, $r5 - and.d 0x7fffffff, $r5 ; strip any non-cache bit - subq 2, $r5 ; compensate for the move.d $pc instr - move.d $r5, $r0 ; save for later - flash address of 'basse' - add.d _edata, $r5 - sub.d basse, $r5 ; $r5 = flash address of '_edata' - - ;; Copy text+data to DRAM - - move.d basse, $r1 ; destination - move.d _edata, $r2 ; end destination -1: move.w [$r0+], $r3 - move.w $r3, [$r1+] - cmp.d $r2, $r1 - bcs 1b - nop - - move.d $r5, [input_data] ; for the decompressor - - - ;; Clear the decompressors BSS (between _edata and _end) - - moveq 0, $r0 - move.d _edata, $r1 - move.d _end, $r2 -1: move.w $r0, [$r1+] - cmp.d $r2, $r1 - bcs 1b - nop - - ;; Save command line magic and address. - move.d _cmd_line_magic, $r12 - move.d $r10, [$r12] - move.d _cmd_line_addr, $r12 - move.d $r11, [$r12] - - ;; Do the decompression and save compressed size in inptr - - jsr decompress_kernel - - ;; Put start address of root partition in $r9 so the kernel can use it - ;; when mounting from flash - - move.d [input_data], $r9 ; flash address of compressed kernel - add.d [inptr], $r9 ; size of compressed kernel - - ;; Restore command line magic and address. - move.d _cmd_line_magic, $r10 - move.d [$r10], $r10 - move.d _cmd_line_addr, $r11 - move.d [$r11], $r11 - - ;; Enter the decompressed kernel - move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized - jump 0x40004000 ; kernel is linked to this address - - .data - -input_data: - .dword 0 ; used by the decompressor -_cmd_line_magic: - .dword 0 -_cmd_line_addr: - .dword 0 -#include "../../arch-v10/lib/hw_settings.S" diff --git a/arch/cris/boot/compressed/head_v32.S b/arch/cris/boot/compressed/head_v32.S deleted file mode 100644 index a997947d31e3..000000000000 --- a/arch/cris/boot/compressed/head_v32.S +++ /dev/null @@ -1,146 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Code that sets up the DRAM registers, calls the - * decompressor to unpack the piggybacked kernel, and jumps. - * - * Copyright (C) 1999 - 2006, Axis Communications AB - */ - -#define ASSEMBLER_MACROS_ONLY -#include <hwregs/asm/reg_map_asm.h> -#include <mach/startup.inc> - -#define RAM_INIT_MAGIC 0x56902387 -#define COMMAND_LINE_MAGIC 0x87109563 - - ;; Exported symbols - - .globl input_data - - .text -start: - di - - ;; Start clocks for used blocks. - START_CLOCKS - - ;; Initialize the DRAM registers. - cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized? - beq dram_init_finished - nop - -#if defined CONFIG_ETRAXFS -#include "../../arch-v32/mach-fs/dram_init.S" -#elif defined CONFIG_CRIS_MACH_ARTPEC3 -#include "../../arch-v32/mach-a3/dram_init.S" -#else -#error Only ETRAXFS and ARTPEC-3 supported! -#endif - -dram_init_finished: - - GIO_INIT - ;; Setup the stack to a suitably high address. - ;; We assume 8 MB is the minimum DRAM and put - ;; the SP at the top for now. - - move.d 0x40800000, $sp - - ;; Figure out where the compressed piggyback image is. - ;; It is either in [NOR] flash (we don't want to copy it - ;; to DRAM before unpacking), or copied to DRAM - ;; by the [NAND] flash boot loader. - ;; The piggyback image is at _edata, but relative to where the - ;; image is actually located in memory, not where it is linked - ;; (the decompressor is linked at 0x40700000+ and runs there). - ;; Use (_edata - herami) as offset to the current PC. - -hereami: - lapcq ., $r5 ; get PC - and.d 0x7fffffff, $r5 ; strip any non-cache bit - move.d $r5, $r0 ; source address of 'herami' - add.d _edata, $r5 - sub.d hereami, $r5 ; r5 = flash address of '_edata' - move.d hereami, $r1 ; destination - - ;; Copy text+data to DRAM - - move.d _edata, $r2 ; end destination -1: move.w [$r0+], $r3 ; from herami+ source - move.w $r3, [$r1+] ; to hereami+ destination (linked address) - cmp.d $r2, $r1 ; finish when destination == _edata - bcs 1b - nop - move.d input_data, $r0 ; for the decompressor - move.d $r5, [$r0] ; for the decompressor - - ;; Clear the decompressors BSS (between _edata and _end) - - moveq 0, $r0 - move.d _edata, $r1 - move.d _end, $r2 -1: move.w $r0, [$r1+] - cmp.d $r2, $r1 - bcs 1b - nop - - ;; Save command line magic and address. - move.d _cmd_line_magic, $r0 - move.d $r10, [$r0] - move.d _cmd_line_addr, $r0 - move.d $r11, [$r0] - - ;; Save boot source indicator - move.d _boot_source, $r0 - move.d $r12, [$r0] - - ;; Do the decompression and save compressed size in _inptr - - jsr decompress_kernel - nop - - ;; Restore boot source indicator - move.d _boot_source, $r12 - move.d [$r12], $r12 - - ;; Restore command line magic and address. - move.d _cmd_line_magic, $r10 - move.d [$r10], $r10 - move.d _cmd_line_addr, $r11 - move.d [$r11], $r11 - - ;; Put start address of root partition in r9 so the kernel can use it - ;; when mounting from flash - move.d input_data, $r0 - move.d [$r0], $r9 ; flash address of compressed kernel - move.d inptr, $r0 - add.d [$r0], $r9 ; size of compressed kernel - cmp.d 0x40000000, $r9 ; image in DRAM ? - blo enter_kernel ; no, must be [NOR] flash, jump - nop ; delay slot - and.d 0x001fffff, $r9 ; assume compressed kernel was < 2M - -enter_kernel: - ;; Enter the decompressed kernel - move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized - jump 0x40004000 ; kernel is linked to this address - nop - - .data - -input_data: - .dword 0 ; used by the decompressor -_cmd_line_magic: - .dword 0 -_cmd_line_addr: - .dword 0 -_boot_source: - .dword 0 - -#if defined CONFIG_ETRAXFS -#include "../../arch-v32/mach-fs/hw_settings.S" -#elif defined CONFIG_CRIS_MACH_ARTPEC3 -#include "../../arch-v32/mach-a3/hw_settings.S" -#else -#error Only ETRAXFS and ARTPEC-3 supported! -#endif diff --git a/arch/cris/boot/compressed/misc.c b/arch/cris/boot/compressed/misc.c deleted file mode 100644 index 1ad464a117b8..000000000000 --- a/arch/cris/boot/compressed/misc.c +++ /dev/null @@ -1,377 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * 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 - * puts by Nick Holloway 1993, better puts by Martin Mares 1995 - * adaptation for Linux/CRIS Axis Communications AB, 1999 - * - */ - -/* where the piggybacked kernel image expects itself to live. - * it is the same address we use when we network load an uncompressed - * image into DRAM, and it is the address the kernel is linked to live - * at by vmlinux.lds.S - */ - -#define KERNEL_LOAD_ADR 0x40004000 - -#include <linux/types.h> - -#ifdef CONFIG_ETRAX_ARCH_V32 -#include <hwregs/reg_rdwr.h> -#include <hwregs/reg_map.h> -#include <hwregs/ser_defs.h> -#include <hwregs/pinmux_defs.h> -#ifdef CONFIG_CRIS_MACH_ARTPEC3 -#include <hwregs/clkgen_defs.h> -#endif -#else -#include <arch/svinto.h> -#endif - -/* - * gzip declarations - */ - -#define OF(args) args -#define STATIC static - -void *memset(void *s, int c, size_t n); -void *memcpy(void *__dest, __const void *__src, size_t __n); - -#define memzero(s, n) memset((s), 0, (n)) - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -#define WSIZE 0x8000 /* Window size must be at least 32k, */ - /* and a power of two */ - -static uch *inbuf; /* input buffer */ -static uch window[WSIZE]; /* Sliding window buffer */ - -unsigned inptr = 0; /* index of next byte to be processed in inbuf - * After decompression it will contain the - * compressed size, and head.S will read it. - */ - -static unsigned outcnt = 0; /* bytes in output buffer */ - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ -#define COMMENT 0x10 /* bit 4 set: file comment present */ -#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ -#define RESERVED 0xC0 /* bit 6,7: reserved */ - -#define get_byte() (inbuf[inptr++]) - -/* Diagnostic functions */ -#ifdef DEBUG -# define Assert(cond, msg) do { \ - if (!(cond)) \ - error(msg); \ - } while (0) -# define Trace(x) fprintf x -# define Tracev(x) do { \ - if (verbose) \ - fprintf x; \ - } while (0) -# define Tracevv(x) do { \ - if (verbose > 1) \ - fprintf x; \ - } while (0) -# define Tracec(c, x) do { \ - if (verbose && (c)) \ - fprintf x; \ - } while (0) -# define Tracecv(c, x) do { \ - if (verbose > 1 && (c)) \ - fprintf x; \ - } while (0) -#else -# define Assert(cond, msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c, x) -# define Tracecv(c, x) -#endif - -static void flush_window(void); -static void error(char *m); -static void aputs(const char *s); - -extern char *input_data; /* lives in head.S */ - -static long bytes_out; -static uch *output_data; -static unsigned long output_ptr; - -/* the "heap" is put directly after the BSS ends, at end */ - -extern int _end; -static long free_mem_ptr = (long)&_end; -static long free_mem_end_ptr; - -#include "../../../../../lib/inflate.c" - -/* decompressor info and error messages to serial console */ - -#ifdef CONFIG_ETRAX_ARCH_V32 -static inline void serout(const char *s, reg_scope_instances regi_ser) -{ - reg_ser_rs_stat_din rs; - reg_ser_rw_dout dout = {.data = *s}; - - do { - rs = REG_RD(ser, regi_ser, rs_stat_din); - } - while (!rs.tr_rdy);/* Wait for transceiver. */ - - REG_WR(ser, regi_ser, rw_dout, dout); -} -#define SEROUT(S, N) \ - do { \ - serout(S, regi_ser ## N); \ - s++; \ - } while (0) -#else -#define SEROUT(S, N) do { \ - while (!(*R_SERIAL ## N ## _STATUS & (1 << 5))) \ - ; \ - *R_SERIAL ## N ## _TR_DATA = *s++; \ - } while (0) -#endif - -static void aputs(const char *s) -{ -#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL - while (*s) { -#ifdef CONFIG_ETRAX_DEBUG_PORT0 - SEROUT(s, 0); -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT1 - SEROUT(s, 1); -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT2 - SEROUT(s, 2); -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT3 - SEROUT(s, 3); -#endif - } -#endif /* CONFIG_ETRAX_DEBUG_PORT_NULL */ -} - -void *memset(void *s, int c, size_t n) -{ - int i; - char *ss = (char*)s; - - for (i=0;i<n;i++) ss[i] = c; - - return s; -} - -void *memcpy(void *__dest, __const void *__src, size_t __n) -{ - int i; - char *d = (char *)__dest, *s = (char *)__src; - - for (i = 0; i < __n; i++) - d[i] = s[i]; - - return __dest; -} - -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ - -static void flush_window(void) -{ - ulg c = crc; /* temporary variable */ - unsigned n; - uch *in, *out, ch; - - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out = *in; - out++; - in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; -} - -static void error(char *x) -{ - aputs("\n\n"); - aputs(x); - aputs("\n\n -- System halted\n"); - - while(1); /* Halt */ -} - -void setup_normal_output_buffer(void) -{ - output_data = (char *)KERNEL_LOAD_ADR; -} - -#ifdef CONFIG_ETRAX_ARCH_V32 -static inline void serial_setup(reg_scope_instances regi_ser) -{ - reg_ser_rw_xoff xoff; - reg_ser_rw_tr_ctrl tr_ctrl; - reg_ser_rw_rec_ctrl rec_ctrl; - reg_ser_rw_tr_baud_div tr_baud; - reg_ser_rw_rec_baud_div rec_baud; - - /* Turn off XOFF. */ - xoff = REG_RD(ser, regi_ser, rw_xoff); - - xoff.chr = 0; - xoff.automatic = regk_ser_no; - - REG_WR(ser, regi_ser, rw_xoff, xoff); - - /* Set baudrate and stopbits. */ - tr_ctrl = REG_RD(ser, regi_ser, rw_tr_ctrl); - rec_ctrl = REG_RD(ser, regi_ser, rw_rec_ctrl); - tr_baud = REG_RD(ser, regi_ser, rw_tr_baud_div); - rec_baud = REG_RD(ser, regi_ser, rw_rec_baud_div); - - tr_ctrl.stop_bits = 1; /* 2 stop bits. */ - tr_ctrl.en = 1; /* enable transmitter */ - rec_ctrl.en = 1; /* enabler receiver */ - - /* - * The baudrate setup used to be a bit fishy, but now transmitter and - * receiver are both set to the intended baud rate, 115200. - * The magic value is 29.493 MHz. - */ - tr_ctrl.base_freq = regk_ser_f29_493; - rec_ctrl.base_freq = regk_ser_f29_493; - tr_baud.div = (29493000 / 8) / 115200; - rec_baud.div = (29493000 / 8) / 115200; - - REG_WR(ser, regi_ser, rw_tr_ctrl, tr_ctrl); - REG_WR(ser, regi_ser, rw_tr_baud_div, tr_baud); - REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl); - REG_WR(ser, regi_ser, rw_rec_baud_div, rec_baud); -} -#endif - -void decompress_kernel(void) -{ - char revision; - char compile_rev; - -#ifdef CONFIG_ETRAX_ARCH_V32 - /* Need at least a CRISv32 to run. */ - compile_rev = 32; -#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \ - defined(CONFIG_ETRAX_DEBUG_PORT2) || \ - defined(CONFIG_ETRAX_DEBUG_PORT3) - reg_pinmux_rw_hwprot hwprot; - -#ifdef CONFIG_CRIS_MACH_ARTPEC3 - reg_clkgen_rw_clk_ctrl clk_ctrl; - - /* Enable corresponding clock region when serial 1..3 selected */ - - clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl); - clk_ctrl.sser_ser_dma6_7 = regk_clkgen_yes; - REG_WR(clkgen, regi_clkgen, rw_clk_ctrl, clk_ctrl); -#endif - - /* pinmux setup for ports 1..3 */ - hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot); -#endif - - -#ifdef CONFIG_ETRAX_DEBUG_PORT0 - serial_setup(regi_ser0); -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT1 - hwprot.ser1 = regk_pinmux_yes; - serial_setup(regi_ser1); -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT2 - hwprot.ser2 = regk_pinmux_yes; - serial_setup(regi_ser2); -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT3 - hwprot.ser3 = regk_pinmux_yes; - serial_setup(regi_ser3); -#endif -#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \ - defined(CONFIG_ETRAX_DEBUG_PORT2) || \ - defined(CONFIG_ETRAX_DEBUG_PORT3) - REG_WR(pinmux, regi_pinmux, rw_hwprot, hwprot); -#endif - - /* input_data is set in head.S */ - inbuf = input_data; -#else /* CRISv10 */ - /* Need at least a crisv10 to run. */ - compile_rev = 10; - - /* input_data is set in head.S */ - inbuf = input_data; - -#ifdef CONFIG_ETRAX_DEBUG_PORT0 - *R_SERIAL0_XOFF = 0; - *R_SERIAL0_BAUD = 0x99; - *R_SERIAL0_TR_CTRL = 0x40; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT1 - *R_SERIAL1_XOFF = 0; - *R_SERIAL1_BAUD = 0x99; - *R_SERIAL1_TR_CTRL = 0x40; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT2 - *R_GEN_CONFIG = 0x08; - *R_SERIAL2_XOFF = 0; - *R_SERIAL2_BAUD = 0x99; - *R_SERIAL2_TR_CTRL = 0x40; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT3 - *R_GEN_CONFIG = 0x100; - *R_SERIAL3_XOFF = 0; - *R_SERIAL3_BAUD = 0x99; - *R_SERIAL3_TR_CTRL = 0x40; -#endif -#endif - - setup_normal_output_buffer(); - - makecrc(); - - __asm__ volatile ("move $vr,%0" : "=rm" (revision)); - if (revision < compile_rev) { -#ifdef CONFIG_ETRAX_ARCH_V32 - aputs("You need at least ETRAX FS to run Linux 2.6/crisv32\n"); -#else - aputs("You need an ETRAX 100LX to run linux 2.6/crisv10\n"); -#endif - while(1); - } - - aputs("Uncompressing Linux...\n"); - gunzip(); - aputs("Done. Now booting the kernel\n"); -} diff --git a/arch/cris/boot/dts/Makefile b/arch/cris/boot/dts/Makefile deleted file mode 100644 index 118fe990a173..000000000000 --- a/arch/cris/boot/dts/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o -ifneq ($(CONFIG_BUILTIN_DTB),"") -obj-$(CONFIG_OF) += $(BUILTIN_DTB) -endif diff --git a/arch/cris/boot/dts/artpec3.dtsi b/arch/cris/boot/dts/artpec3.dtsi deleted file mode 100644 index f857300f4edd..000000000000 --- a/arch/cris/boot/dts/artpec3.dtsi +++ /dev/null @@ -1,47 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/ { - #address-cells = <1>; - #size-cells = <1>; - interrupt-parent = <&intc>; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - - cpu@0 { - device_type = "cpu"; - model = "axis,crisv32"; - reg = <0>; - }; - }; - - soc { - compatible = "simple-bus"; - model = "artpec3"; - #address-cells = <1>; - #size-cells = <1>; - ranges; - - intc: interrupt-controller { - compatible = "axis,crisv32-intc"; - reg = <0xb002a000 0x1000>; - interrupt-controller; - #interrupt-cells = <1>; - }; - - gio: gpio@b0020000 { - compatible = "axis,artpec3-gio"; - reg = <0xb0020000 0x1000>; - interrupts = <61>; - gpio-controller; - #gpio-cells = <3>; - }; - - serial@b003e000 { - compatible = "axis,etraxfs-uart"; - reg = <0xb003e000 0x1000>; - interrupts = <64>; - status = "disabled"; - }; - }; -}; diff --git a/arch/cris/boot/dts/dev88.dts b/arch/cris/boot/dts/dev88.dts deleted file mode 100644 index 415270ea5309..000000000000 --- a/arch/cris/boot/dts/dev88.dts +++ /dev/null @@ -1,68 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/dts-v1/; - -#include <dt-bindings/gpio/gpio.h> - -/include/ "etraxfs.dtsi" - -/ { - model = "Axis 88 Developer Board"; - compatible = "axis,dev88"; - - aliases { - serial0 = &uart0; - }; - - soc { - uart0: serial@b00260000 { - status = "okay"; - }; - }; - - spi { - compatible = "spi-gpio"; - #address-cells = <1>; - #size-cells = <0>; - - gpio-sck = <&gio 1 0 0xd>; - gpio-miso = <&gio 4 0 0xd>; - gpio-mosi = <&gio 0 0 0xd>; - cs-gpios = <&gio 3 0 0xd>; - num-chipselects = <1>; - - temp-sensor@0 { - compatible = "ti,lm70"; - reg = <0>; - - spi-max-frequency = <100000>; - }; - }; - - i2c { - compatible = "i2c-gpio"; - gpios = <&gio 5 0 0xd>, <&gio 6 0 0xd>; - i2c-gpio,delay-us = <2>; - #address-cells = <1>; - #size-cells = <0>; - - rtc@51 { - compatible = "nxp,pcf8563"; - reg = <0x51>; - }; - }; - - leds { - compatible = "gpio-leds"; - - network { - label = "network"; - gpios = <&gio 2 GPIO_ACTIVE_LOW 0xa>; - }; - - status { - label = "status"; - gpios = <&gio 3 GPIO_ACTIVE_LOW 0xa>; - linux,default-trigger = "heartbeat"; - }; - }; -}; diff --git a/arch/cris/boot/dts/etraxfs.dtsi b/arch/cris/boot/dts/etraxfs.dtsi deleted file mode 100644 index 4513edf72545..000000000000 --- a/arch/cris/boot/dts/etraxfs.dtsi +++ /dev/null @@ -1,47 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/ { - #address-cells = <1>; - #size-cells = <1>; - interrupt-parent = <&intc>; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - - cpu@0 { - device_type = "cpu"; - model = "axis,crisv32"; - reg = <0>; - }; - }; - - soc { - compatible = "simple-bus"; - model = "etraxfs"; - #address-cells = <1>; - #size-cells = <1>; - ranges; - - intc: interrupt-controller { - compatible = "axis,crisv32-intc"; - reg = <0xb001c000 0x1000>; - interrupt-controller; - #interrupt-cells = <1>; - }; - - gio: gpio@b001a000 { - compatible = "axis,etraxfs-gio"; - reg = <0xb001a000 0x1000>; - interrupts = <50>; - gpio-controller; - #gpio-cells = <3>; - }; - - serial@b00260000 { - compatible = "axis,etraxfs-uart"; - reg = <0xb0026000 0x1000>; - interrupts = <68>; - status = "disabled"; - }; - }; -}; diff --git a/arch/cris/boot/dts/p1343.dts b/arch/cris/boot/dts/p1343.dts deleted file mode 100644 index 6030561d4574..000000000000 --- a/arch/cris/boot/dts/p1343.dts +++ /dev/null @@ -1,77 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/dts-v1/; - -#include <dt-bindings/gpio/gpio.h> -#include <dt-bindings/input/input.h> - -/include/ "artpec3.dtsi" - -/ { - model = "Axis P1343 Network Camera"; - compatible = "axis,p1343"; - - aliases { - serial0 = &uart0; - }; - - soc { - uart0: serial@b003e000 { - status = "okay"; - }; - }; - - i2c { - compatible = "i2c-gpio"; - gpios = <&gio 3 0 0xa>, <&gio 2 0 0xa>; - i2c-gpio,delay-us = <2>; - #address-cells = <1>; - #size-cells = <0>; - - rtc@51 { - compatible = "nxp,pcf8563"; - reg = <0x51>; - }; - }; - - leds { - compatible = "gpio-leds"; - - status_green { - label = "status:green"; - gpios = <&gio 0 GPIO_ACTIVE_LOW 0xc>; - linux,default-trigger = "heartbeat"; - }; - - status_red { - label = "status:red"; - gpios = <&gio 1 GPIO_ACTIVE_LOW 0xc>; - }; - - network_green { - label = "network:green"; - gpios = <&gio 2 GPIO_ACTIVE_LOW 0xc>; - }; - - network_red { - label = "network:red"; - gpios = <&gio 3 GPIO_ACTIVE_LOW 0xc>; - }; - - power_red { - label = "power:red"; - gpios = <&gio 4 GPIO_ACTIVE_LOW 0xc>; - }; - }; - - gpio_keys { - compatible = "gpio-keys"; - #address-cells = <1>; - #size-cells = <0>; - - activity-button@0 { - label = "Activity Button"; - linux,code = <KEY_FN>; - gpios = <&gio 13 GPIO_ACTIVE_LOW 0xd>; - }; - }; -}; diff --git a/arch/cris/boot/rescue/Makefile b/arch/cris/boot/rescue/Makefile deleted file mode 100644 index f73ac4c83b96..000000000000 --- a/arch/cris/boot/rescue/Makefile +++ /dev/null @@ -1,53 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Makefile for rescue (bootstrap) code -# - -# CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE) -# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/arch/mach/ \ -# -I$(srctree)/include/asm/arch -# asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch -# LD = gcc-cris -mlinux -march=v32 -nostdlib - -ifdef CONFIG_ETRAX_AXISFLASHMAP - -arch-$(CONFIG_ETRAX_ARCH_V10) = v10 -arch-$(CONFIG_ETRAX_ARCH_V32) = v32 - -ldflags-y += -T $(srctree)/$(src)/rescue_$(arch-y).lds -OBJCOPYFLAGS = -O binary --remove-section=.bss -obj-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o -obj-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o -OBJECTS := $(obj-y) - -targets := rescue.o rescue.bin - -$(obj)/rescue.o: $(OBJECTS) FORCE - $(call if_changed,ld) - -$(obj)/rescue.bin: $(obj)/rescue.o FORCE - $(call if_changed,objcopy) - cp -p $(obj)/rescue.bin $(objtree) - -else -$(obj)/rescue.bin: - -endif - -$(obj)/testrescue.bin: $(obj)/testrescue.o - $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin -# Pad it to 784 bytes - dd if=/dev/zero of=tmp2423 bs=1 count=784 - cat tr.bin tmp2423 >testrescue_tmp.bin - dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784 - rm tr.bin tmp2423 testrescue_tmp.bin - - -$(obj)/kimagerescue.bin: $(obj)/kimagerescue.o - $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin -# Pad it to 784 bytes, that's what the rescue loader expects - dd if=/dev/zero of=tmp2423 bs=1 count=784 - cat ktr.bin tmp2423 >kimagerescue_tmp.bin - dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784 - rm ktr.bin tmp2423 kimagerescue_tmp.bin - diff --git a/arch/cris/boot/rescue/head_v10.S b/arch/cris/boot/rescue/head_v10.S deleted file mode 100644 index 11eedb1bf31a..000000000000 --- a/arch/cris/boot/rescue/head_v10.S +++ /dev/null @@ -1,358 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Rescue code, made to reside at the beginning of the - * flash-memory. when it starts, it checks a partition - * table at the first sector after the rescue sector. - * the partition table was generated by the product builder - * script and contains offsets, lengths, types and checksums - * for each partition that this code should check. - * - * If any of the checksums fail, we assume the flash is so - * corrupt that we can't use it to boot into the ftp flash - * loader, and instead we initialize the serial port to - * receive a flash-loader and new flash image. we dont include - * any flash code here, but just accept a certain amount of - * bytes from the serial port and jump into it. the downloaded - * code is put in the cache. - * - * The partitiontable is designed so that it is transparent to - * code execution - it has a relative branch opcode in the - * beginning that jumps over it. each entry contains extra - * data so we can add stuff later. - * - * Partition table format: - * - * Code transparency: - * - * 2 bytes [opcode 'nop'] - * 2 bytes [opcode 'di'] - * 4 bytes [opcode 'ba <offset>', 8-bit or 16-bit version] - * 2 bytes [opcode 'nop', delay slot] - * - * Table validation (at +10): - * - * 2 bytes [magic/version word for partitiontable - 0xef, 0xbe] - * 2 bytes [length of all entries plus the end marker] - * 4 bytes [checksum for the partitiontable itself] - * - * Entries, each with the following format, last has offset -1: - * - * 4 bytes [offset in bytes, from start of flash] - * 4 bytes [length in bytes of partition] - * 4 bytes [checksum, simple longword sum] - * 2 bytes [partition type] - * 2 bytes [flags, only bit 0 used, ro/rw = 1/0] - * 16 bytes [reserved for future use] - * - * End marker - * - * 4 bytes [-1] - * - * 10 bytes [0, padding] - * - * Bit 0 in flags signifies RW or RO. The rescue code only bothers - * to check the checksum for RO partitions, since the others will - * change their data without updating the checksums. A 1 in bit 0 - * means RO, 0 means RW. That way, it is possible to set a partition - * in RO mode initially, and later mark it as RW, since you can always - * write 0's to the flash. - * - * During the wait for serial input, the status LED will flash so the - * user knows something went wrong. - * - * Copyright (C) 1999-2007 Axis Communications AB - */ - -#ifdef CONFIG_ETRAX_AXISFLASHMAP - -#define ASSEMBLER_MACROS_ONLY -#include <arch/sv_addr_ag.h> - - ;; The partitiontable is looked for at the first sector after the boot - ;; sector. Sector size is 65536 bytes in all flashes we use. - -#define PTABLE_START CONFIG_ETRAX_PTABLE_SECTOR -#define PTABLE_MAGIC 0xbeef - - ;; The normal Etrax100 on-chip boot ROM does serial boot at 0x380000f0. - ;; That is not where we put our downloaded serial boot-code. - ;; The length is enough for downloading code that loads the rest - ;; of itself (after having setup the DRAM etc). - ;; It is the same length as the on-chip ROM loads, so the same - ;; host loader can be used to load a rescued product as well as - ;; one booted through the Etrax serial boot code. - -#define CODE_START 0x40000000 -#define CODE_LENGTH 784 - -#ifdef CONFIG_ETRAX_RESCUE_SER0 -#define SERXOFF R_SERIAL0_XOFF -#define SERBAUD R_SERIAL0_BAUD -#define SERRECC R_SERIAL0_REC_CTRL -#define SERRDAT R_SERIAL0_REC_DATA -#define SERSTAT R_SERIAL0_STATUS -#endif -#ifdef CONFIG_ETRAX_RESCUE_SER1 -#define SERXOFF R_SERIAL1_XOFF -#define SERBAUD R_SERIAL1_BAUD -#define SERRECC R_SERIAL1_REC_CTRL -#define SERRDAT R_SERIAL1_REC_DATA -#define SERSTAT R_SERIAL1_STATUS -#endif -#ifdef CONFIG_ETRAX_RESCUE_SER2 -#define SERXOFF R_SERIAL2_XOFF -#define SERBAUD R_SERIAL2_BAUD -#define SERRECC R_SERIAL2_REC_CTRL -#define SERRDAT R_SERIAL2_REC_DATA -#define SERSTAT R_SERIAL2_STATUS -#endif -#ifdef CONFIG_ETRAX_RESCUE_SER3 -#define SERXOFF R_SERIAL3_XOFF -#define SERBAUD R_SERIAL3_BAUD -#define SERRECC R_SERIAL3_REC_CTRL -#define SERRDAT R_SERIAL3_REC_DATA -#define SERSTAT R_SERIAL3_STATUS -#endif - -#define NOP_DI 0xf025050f -#define RAM_INIT_MAGIC 0x56902387 - - .text - - ;; This is the entry point of the rescue code - ;; 0x80000000 if loaded in flash (as it should be) - ;; Since etrax actually starts at address 2 when booting from flash, we - ;; put a nop (2 bytes) here first so we dont accidentally skip the di - - nop - di - - jump in_cache ; enter cached area instead -in_cache: - - - ;; First put a jump test to give a possibility of upgrading the - ;; rescue code without erasing/reflashing the sector. - ;; We put a longword of -1 here and if it is not -1, we jump using - ;; the value as jump target. Since we can always change 1's to 0's - ;; without erasing the sector, it is possible to add new - ;; code after this and altering the jumptarget in an upgrade. - -jtcd: move.d [jumptarget], $r0 - cmp.d 0xffffffff, $r0 - beq no_newjump - nop - - jump [$r0] - -jumptarget: - .dword 0xffffffff ; can be overwritten later to insert new code - -no_newjump: -#ifdef CONFIG_ETRAX_ETHERNET - ;; Start MII clock to make sure it is running when tranceiver is reset - move.d 0x3, $r0 ; enable = on, phy = mii_clk - move.d $r0, [R_NETWORK_GEN_CONFIG] -#endif - - ;; We need to setup the bus registers before we start using the DRAM -#include "../../../arch-v10/lib/dram_init.S" - - ;; we now should go through the checksum-table and check the listed - ;; partitions for errors. - - move.d PTABLE_START, $r3 - move.d [$r3], $r0 - cmp.d NOP_DI, $r0 ; make sure the nop/di is there... - bne do_rescue - nop - - ;; skip the code transparency block (10 bytes). - - addq 10, $r3 - - ;; check for correct magic - - move.w [$r3+], $r0 - cmp.w PTABLE_MAGIC, $r0 - bne do_rescue ; didn't recognize - trig rescue - nop - - ;; check for correct ptable checksum - - movu.w [$r3+], $r2 ; ptable length - move.d $r2, $r8 ; save for later, length of total ptable - addq 28, $r8 ; account for the rest - move.d [$r3+], $r4 ; ptable checksum - move.d $r3, $r1 - jsr checksum ; r1 source, r2 length, returns in r0 - - cmp.d $r0, $r4 - bne do_rescue ; didn't match - trig rescue - nop - - ;; ptable is ok. validate each entry. - - moveq -1, $r7 - -ploop: move.d [$r3+], $r1 ; partition offset (from ptable start) - bne notfirst ; check if it is the partition containing ptable - nop ; yes.. - move.d $r8, $r1 ; for its checksum check, skip the ptable - move.d [$r3+], $r2 ; partition length - sub.d $r8, $r2 ; minus the ptable length - ba bosse - nop -notfirst: - cmp.d -1, $r1 ; the end of the ptable ? - beq flash_ok ; if so, the flash is validated - move.d [$r3+], $r2 ; partition length -bosse: move.d [$r3+], $r5 ; checksum - move.d [$r3+], $r4 ; type and flags - addq 16, $r3 ; skip the reserved bytes - btstq 16, $r4 ; check ro flag - bpl ploop ; rw partition, skip validation - nop - btstq 17, $r4 ; check bootable flag - bpl 1f - nop - move.d $r1, $r7 ; remember boot partition offset -1: - add.d PTABLE_START, $r1 - - jsr checksum ; checksum the partition - - cmp.d $r0, $r5 - beq ploop ; checksums matched, go to next entry - nop - - ;; otherwise fall through to the rescue code. - -do_rescue: - ;; setup port PA and PB default initial directions and data - ;; (so we can flash LEDs, and so that DTR and others are set) - - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0 - move.b $r0, [R_PORT_PA_DIR] - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0 - move.b $r0, [R_PORT_PA_DATA] - - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0 - move.b $r0, [R_PORT_PB_DIR] - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0 - move.b $r0, [R_PORT_PB_DATA] - - ;; setup the serial port at 115200 baud - - moveq 0, $r0 - move.d $r0, [SERXOFF] - - move.b 0x99, $r0 - move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit and receive - - move.b 0x40, $r0 ; rec enable - move.b $r0, [SERRECC] - - moveq 0, $r1 ; "timer" to clock out a LED red flash - move.d CODE_START, $r3 ; destination counter - movu.w CODE_LENGTH, $r4; length - -wait_ser: - addq 1, $r1 -#ifndef CONFIG_ETRAX_NO_LEDS -#ifdef CONFIG_ETRAX_PA_LEDS - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r2 -#endif -#ifdef CONFIG_ETRAX_PB_LEDS - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r2 -#endif - move.d (1 << CONFIG_ETRAX_LED1R) | (1 << CONFIG_ETRAX_LED2R), $r0 - btstq 16, $r1 - bpl 1f - nop - or.d $r0, $r2 ; set bit - ba 2f - nop -1: not $r0 ; clear bit - and.d $r0, $r2 -2: -#ifdef CONFIG_ETRAX_PA_LEDS - move.b $r2, [R_PORT_PA_DATA] -#endif -#ifdef CONFIG_ETRAX_PB_LEDS - move.b $r2, [R_PORT_PB_DATA] -#endif -#endif - - ;; check if we got something on the serial port - - move.b [SERSTAT], $r0 - btstq 0, $r0 ; data_avail - bpl wait_ser - nop - - ;; got something - copy the byte and loop - - move.b [SERRDAT], $r0 - move.b $r0, [$r3+] - - subq 1, $r4 ; decrease length - bne wait_ser - nop - - ;; jump into downloaded code - - move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is - ; initialized - jump CODE_START - -flash_ok: - ;; check r7, which contains either -1 or the partition to boot from - - cmp.d -1, $r7 - bne 1f - nop - move.d PTABLE_START, $r7; otherwise use the ptable start -1: - move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is - ; initialized - jump $r7 ; boot! - - - ;; Helper subroutines - - ;; Will checksum by simple addition - ;; r1 - source - ;; r2 - length in bytes - ;; result will be in r0 -checksum: - moveq 0, $r0 - moveq CONFIG_ETRAX_FLASH1_SIZE, $r6 - - ;; If the first physical flash memory is exceeded wrap to the - ;; second one - btstq 26, $r1 ; Are we addressing first flash? - bpl 1f - nop - clear.d $r6 - -1: test.d $r6 ; 0 = no wrapping - beq 2f - nop - lslq 20, $r6 ; Convert MB to bytes - sub.d $r1, $r6 - -2: addu.b [$r1+], $r0 - subq 1, $r6 ; Flash memory left - beq 3f - subq 1, $r2 ; Length left - bne 2b - nop - ret - nop - -3: move.d MEM_CSE1_START, $r1 ; wrap to second flash - ba 2b - nop - -#endif diff --git a/arch/cris/boot/rescue/head_v32.S b/arch/cris/boot/rescue/head_v32.S deleted file mode 100644 index 9eb04abaa0c0..000000000000 --- a/arch/cris/boot/rescue/head_v32.S +++ /dev/null @@ -1,27 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Just get started by jumping to CONFIG_ETRAX_PTABLE_SECTOR to start - * kernel decompressor. - * - * In practice, this only works for NOR flash (or some convoluted RAM boot) - * and hence is not really useful for Artpec-3, so it's Etrax FS / NOR only. - * - */ - -#include <mach/startup.inc> - -#ifdef CONFIG_ETRAX_AXISFLASHMAP - -;; Code - - .text -start: - - ;; Start clocks for used blocks. - START_CLOCKS - - move.d CONFIG_ETRAX_PTABLE_SECTOR, $r10 - jump $r10 ; Jump to decompressor - nop - -#endif diff --git a/arch/cris/boot/rescue/kimagerescue.S b/arch/cris/boot/rescue/kimagerescue.S deleted file mode 100644 index 3306098dee15..000000000000 --- a/arch/cris/boot/rescue/kimagerescue.S +++ /dev/null @@ -1,142 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Rescue code to be prepended on a kimage and copied to the - * rescue serial port. - * This is called from the rescue code, it will copy received data to - * 4004000 and after a timeout jump to it. - */ - -#define ASSEMBLER_MACROS_ONLY -#include <arch/sv_addr_ag.h> - -#define CODE_START 0x40004000 -#define CODE_LENGTH 784 -#define TIMEOUT_VALUE 1000 - - -#ifdef CONFIG_ETRAX_RESCUE_SER0 -#define SERXOFF R_SERIAL0_XOFF -#define SERBAUD R_SERIAL0_BAUD -#define SERRECC R_SERIAL0_REC_CTRL -#define SERRDAT R_SERIAL0_REC_DATA -#define SERSTAT R_SERIAL0_STATUS -#endif -#ifdef CONFIG_ETRAX_RESCUE_SER1 -#define SERXOFF R_SERIAL1_XOFF -#define SERBAUD R_SERIAL1_BAUD -#define SERRECC R_SERIAL1_REC_CTRL -#define SERRDAT R_SERIAL1_REC_DATA -#define SERSTAT R_SERIAL1_STATUS -#endif -#ifdef CONFIG_ETRAX_RESCUE_SER2 -#define SERXOFF R_SERIAL2_XOFF -#define SERBAUD R_SERIAL2_BAUD -#define SERRECC R_SERIAL2_REC_CTRL -#define SERRDAT R_SERIAL2_REC_DATA -#define SERSTAT R_SERIAL2_STATUS -#endif -#ifdef CONFIG_ETRAX_RESCUE_SER3 -#define SERXOFF R_SERIAL3_XOFF -#define SERBAUD R_SERIAL3_BAUD -#define SERRECC R_SERIAL3_REC_CTRL -#define SERRDAT R_SERIAL3_REC_DATA -#define SERSTAT R_SERIAL3_STATUS -#endif - - .text - ;; This is the entry point of the rescue code - ;; 0x80000000 if loaded in flash (as it should be) - ;; since etrax actually starts at address 2 when booting from flash, we - ;; put a nop (2 bytes) here first so we dont accidentally skip the di - - nop - di - ;; setup port PA and PB default initial directions and data - ;; (so we can flash LEDs, and so that DTR and others are set) - - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0 - move.b $r0, [R_PORT_PA_DIR] - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0 - move.b $r0, [R_PORT_PA_DATA] - - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0 - move.b $r0, [R_PORT_PB_DIR] - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0 - move.b $r0, [R_PORT_PB_DATA] - - ;; We need to setup the bus registers before we start using the DRAM -#include "../../lib/dram_init.S" - - ;; Setup the stack to a suitably high address. - ;; We assume 8 MB is the minimum DRAM in an eLinux - ;; product and put the sp at the top for now. - - move.d 0x40800000, $sp - - ;; setup the serial port at 115200 baud - - moveq 0, $r0 - move.d $r0, [SERXOFF] - - move.b 0x99, $r0 - move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit - ; and receive - - move.b 0x40, $r0 ; rec enable - move.b $r0, [SERRECC] - - - moveq 0, $r1 ; "timer" to clock out a LED red flash - move.d CODE_START, $r3 ; destination counter - move.d CODE_LENGTH, $r4 ; length - move.d TIMEOUT_VALUE, $r5 ; "timeout" until jump - -wait_ser: - addq 1, $r1 - subq 1, $r5 ; decrease timeout - beq jump_start ; timed out - nop -#ifndef CONFIG_ETRAX_NO_LEDS -#ifdef CONFIG_ETRAX_PA_LEDS - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r2 -#endif -#ifdef CONFIG_ETRAX_PB_LEDS - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r2 -#endif - move.d (1 << CONFIG_ETRAX_LED1R) | (1 << CONFIG_ETRAX_LED2R), $r0 - btstq 16, $r1 - bpl 1f - nop - or.d $r0, $r2 ; set bit - ba 2f - nop -1: not $r0 ; clear bit - and.d $r0, $r2 -2: -#ifdef CONFIG_ETRAX_PA_LEDS - move.b $r2, [R_PORT_PA_DATA] -#endif -#ifdef CONFIG_ETRAX_PB_LEDS - move.b $r2, [R_PORT_PB_DATA] -#endif -#endif - - ;; check if we got something on the serial port - - move.b [SERSTAT], $r0 - btstq 0, $r0 ; data_avail - bpl wait_ser - nop - - ;; got something - copy the byte and loop - - move.b [SERRDAT], $r0 - move.b $r0, [$r3+] - move.d TIMEOUT_VALUE, $r5 ; reset "timeout" - subq 1, $r4 ; decrease length - bne wait_ser - nop -jump_start: - ;; jump into downloaded code - - jump CODE_START diff --git a/arch/cris/boot/rescue/rescue_v10.lds b/arch/cris/boot/rescue/rescue_v10.lds deleted file mode 100644 index e58a53f91728..000000000000 --- a/arch/cris/boot/rescue/rescue_v10.lds +++ /dev/null @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -MEMORY - { - flash : ORIGIN = 0x00000000, - LENGTH = 0x00100000 - } - -SECTIONS -{ - .text : - { - stext = . ; - *(.text) - etext = . ; - } > flash - .data : - { - *(.data) - edata = . ; - } > flash -} diff --git a/arch/cris/boot/rescue/rescue_v32.lds b/arch/cris/boot/rescue/rescue_v32.lds deleted file mode 100644 index f1542183f263..000000000000 --- a/arch/cris/boot/rescue/rescue_v32.lds +++ /dev/null @@ -1,44 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/*#OUTPUT_FORMAT(elf32-us-cris) */ -OUTPUT_ARCH (crisv32) -/* Now that NAND support has been stripped, this file could be simplified, - * but it doesn't do any harm on the other hand so why bother. */ - -MEMORY - { - bootblk : ORIGIN = 0x38000000, - LENGTH = 0x00004000 - intmem : ORIGIN = 0x38004000, - LENGTH = 0x00005000 - } - -SECTIONS -{ - .text : - { - _stext = . ; - *(.text) - *(.init.text) - *(.rodata) - *(.rodata.*) - _etext = . ; - } > bootblk - .data : - { - *(.data) - _edata = . ; - } > bootblk - .bss : - { - _bss = . ; - *(.bss) - _end = ALIGN( 0x10 ) ; - } > intmem - - /* Get rid of stuff from EXPORT_SYMBOL(foo). */ - /DISCARD/ : - { - *(__ksymtab_strings) - *(__ksymtab) - } -} diff --git a/arch/cris/boot/rescue/testrescue.S b/arch/cris/boot/rescue/testrescue.S deleted file mode 100644 index 06f78a0b0622..000000000000 --- a/arch/cris/boot/rescue/testrescue.S +++ /dev/null @@ -1,25 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Simple testcode to download by the rescue block. - * Just lights some LEDs to show it was downloaded correctly. - * - * Copyright (C) 1999 Axis Communications AB - */ - -#define ASSEMBLER_MACROS_ONLY -#include <arch/sv_addr_ag.h> - - .text - - nop - nop - moveq -1, $r2 - move.b $r2, [R_PORT_PA_DIR] - moveq 0, $r2 - move.b $r2, [R_PORT_PA_DATA] - -endless: - nop - ba endless - nop - diff --git a/arch/cris/boot/tools/build.c b/arch/cris/boot/tools/build.c deleted file mode 100644 index 3ae485049779..000000000000 --- a/arch/cris/boot/tools/build.c +++ /dev/null @@ -1,288 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/tools/build.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -/* - * This file builds a disk-image from three different files: - * - * - bootsect: exactly 512 bytes of 8086 machine code, loads the rest - * - setup: 8086 machine code, sets up system parm - * - system: 80386 code for actual system - * - * It does some checking that all files are of the correct type, and - * just writes the result to stdout, removing headers and padding to - * the right amount. It also writes some system data to stderr. - */ - -/* - * Changes by tytso to allow root device specification - * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996 - * Cross compiling fixes by Gertjan van Wingerde, July 1996 - */ - -#include <stdio.h> /* fprintf */ -#include <string.h> -#include <stdlib.h> /* contains exit */ -#include <sys/types.h> /* unistd.h needs this */ -#include <sys/stat.h> -#include <sys/sysmacros.h> -#include <unistd.h> /* contains read/write */ -#include <fcntl.h> -#include <errno.h> - -#define MINIX_HEADER 32 - -#define N_MAGIC_OFFSET 1024 -#ifndef __BFD__ -static int GCC_HEADER = sizeof(struct exec); -#endif - -#ifdef __BIG_KERNEL__ -#define SYS_SIZE 0xffff -#else -#define SYS_SIZE DEF_SYSSIZE -#endif - -#define DEFAULT_MAJOR_ROOT 0 -#define DEFAULT_MINOR_ROOT 0 - -/* max nr of sectors of setup: don't change unless you also change - * bootsect etc */ -#define SETUP_SECTS 4 - -#define STRINGIFY(x) #x - -typedef union { - int i; - long l; - short s[2]; - char b[4]; -} conv; - -long intel_long(long l) -{ - conv t; - - t.b[0] = l & 0xff; l >>= 8; - t.b[1] = l & 0xff; l >>= 8; - t.b[2] = l & 0xff; l >>= 8; - t.b[3] = l & 0xff; l >>= 8; - return t.l; -} - -int intel_int(int i) -{ - conv t; - - t.b[0] = i & 0xff; i >>= 8; - t.b[1] = i & 0xff; i >>= 8; - t.b[2] = i & 0xff; i >>= 8; - t.b[3] = i & 0xff; i >>= 8; - return t.i; -} - -short intel_short(short l) -{ - conv t; - - t.b[0] = l & 0xff; l >>= 8; - t.b[1] = l & 0xff; l >>= 8; - return t.s[0]; -} - -void die(const char * str) -{ - fprintf(stderr,"%s\n",str); - exit(1); -} - -void usage(void) -{ - die("Usage: build bootsect setup system [rootdev] [> image]"); -} - -int main(int argc, char ** argv) -{ - int i,c,id,sz,tmp_int; - unsigned long sys_size, tmp_long; - char buf[1024]; -#ifndef __BFD__ - struct exec *ex = (struct exec *)buf; -#endif - char major_root, minor_root; - struct stat sb; - unsigned char setup_sectors; - - if ((argc < 4) || (argc > 5)) - usage(); - if (argc > 4) { - if (!strcmp(argv[4], "CURRENT")) { - if (stat("/", &sb)) { - perror("/"); - die("Couldn't stat /"); - } - major_root = major(sb.st_dev); - minor_root = minor(sb.st_dev); - } else if (strcmp(argv[4], "FLOPPY")) { - if (stat(argv[4], &sb)) { - perror(argv[4]); - die("Couldn't stat root device."); - } - major_root = major(sb.st_rdev); - minor_root = minor(sb.st_rdev); - } else { - major_root = 0; - minor_root = 0; - } - } else { - major_root = DEFAULT_MAJOR_ROOT; - minor_root = DEFAULT_MINOR_ROOT; - } - fprintf(stderr, "Root device is (%d, %d)\n", major_root, minor_root); - for (i=0;i<sizeof buf; i++) buf[i]=0; - if ((id=open(argv[1],O_RDONLY,0))<0) - die("Unable to open 'boot'"); - if (read(id,buf,MINIX_HEADER) != MINIX_HEADER) - die("Unable to read header of 'boot'"); - if (((long *) buf)[0]!=intel_long(0x04100301)) - die("Non-Minix header of 'boot'"); - if (((long *) buf)[1]!=intel_long(MINIX_HEADER)) - die("Non-Minix header of 'boot'"); - if (((long *) buf)[3] != 0) - die("Illegal data segment in 'boot'"); - if (((long *) buf)[4] != 0) - die("Illegal bss in 'boot'"); - if (((long *) buf)[5] != 0) - die("Non-Minix header of 'boot'"); - if (((long *) buf)[7] != 0) - die("Illegal symbol table in 'boot'"); - i=read(id,buf,sizeof buf); - fprintf(stderr,"Boot sector %d bytes.\n",i); - if (i != 512) - die("Boot block must be exactly 512 bytes"); - if ((*(unsigned short *)(buf+510)) != (unsigned short)intel_short(0xAA55)) - die("Boot block hasn't got boot flag (0xAA55)"); - buf[508] = (char) minor_root; - buf[509] = (char) major_root; - i=write(1,buf,512); - if (i!=512) - die("Write call failed"); - close (id); - - if ((id=open(argv[2],O_RDONLY,0))<0) - die("Unable to open 'setup'"); - if (read(id,buf,MINIX_HEADER) != MINIX_HEADER) - die("Unable to read header of 'setup'"); - if (((long *) buf)[0]!=intel_long(0x04100301)) - die("Non-Minix header of 'setup'"); - if (((long *) buf)[1]!=intel_long(MINIX_HEADER)) - die("Non-Minix header of 'setup'"); - if (((long *) buf)[3] != 0) - die("Illegal data segment in 'setup'"); - if (((long *) buf)[4] != 0) - die("Illegal bss in 'setup'"); - if (((long *) buf)[5] != 0) - die("Non-Minix header of 'setup'"); - if (((long *) buf)[7] != 0) - die("Illegal symbol table in 'setup'"); - for (i=0 ; (c=read(id,buf,sizeof buf))>0 ; i+=c ) -#ifdef __BIG_KERNEL__ - { - if (!i) { - /* Working with memcpy because of alignment constraints - on Sparc - Gertjan */ - memcpy(&tmp_long, &buf[2], sizeof(long)); - if (tmp_long != intel_long(0x53726448) ) - die("Wrong magic in loader header of 'setup'"); - memcpy(&tmp_int, &buf[6], sizeof(int)); - if (tmp_int < intel_int(0x200)) - die("Wrong version of loader header of 'setup'"); - buf[0x11] = 1; /* LOADED_HIGH */ - tmp_long = intel_long(0x100000); - memcpy(&buf[0x14], &tmp_long, sizeof(long)); /* code32_start */ - } -#endif - if (write(1,buf,c)!=c) - die("Write call failed"); -#ifdef __BIG_KERNEL__ - } -#endif - if (c != 0) - die("read-error on 'setup'"); - close (id); - setup_sectors = (unsigned char)((i + 511) / 512); - /* for compatibility with LILO */ - if (setup_sectors < SETUP_SECTS) - setup_sectors = SETUP_SECTS; - fprintf(stderr,"Setup is %d bytes.\n",i); - for (c=0 ; c<sizeof(buf) ; c++) - buf[c] = '\0'; - while (i < setup_sectors * 512) { - c = setup_sectors * 512 - i; - if (c > sizeof(buf)) - c = sizeof(buf); - if (write(1,buf,c) != c) - die("Write call failed"); - i += c; - } - - if ((id=open(argv[3],O_RDONLY,0))<0) - die("Unable to open 'system'"); -#ifndef __BFD__ - if (read(id,buf,GCC_HEADER) != GCC_HEADER) - die("Unable to read header of 'system'"); - if (N_MAGIC(*ex) == ZMAGIC) { - GCC_HEADER = N_MAGIC_OFFSET; - lseek(id, GCC_HEADER, SEEK_SET); - } else if (N_MAGIC(*ex) != QMAGIC) - die("Non-GCC header of 'system'"); - fprintf(stderr,"System is %d kB (%d kB code, %d kB data and %d kB bss)\n", - (ex->a_text+ex->a_data+ex->a_bss)/1024, - ex->a_text /1024, - ex->a_data /1024, - ex->a_bss /1024); - sz = N_SYMOFF(*ex) - GCC_HEADER + 4; -#else - if (fstat (id, &sb)) { - perror ("fstat"); - die ("Unable to stat 'system'"); - } - sz = sb.st_size; - fprintf (stderr, "System is %d kB\n", sz/1024); -#endif - sys_size = (sz + 15) / 16; - if (sys_size > SYS_SIZE) - die("System is too big"); - while (sz > 0) { - int l, n; - - l = sz; - if (l > sizeof(buf)) - l = sizeof(buf); - if ((n=read(id, buf, l)) != l) { - if (n == -1) - perror(argv[1]); - else - fprintf(stderr, "Unexpected EOF\n"); - die("Can't read 'system'"); - } - if (write(1, buf, l) != l) - die("Write failed"); - sz -= l; - } - close(id); - if (lseek(1, 497, 0) == 497) { - if (write(1, &setup_sectors, 1) != 1) - die("Write of setup sectors failed"); - } - if (lseek(1,500,0) == 500) { - buf[0] = (sys_size & 0xff); - buf[1] = ((sys_size >> 8) & 0xff); - if (write(1, buf, 2) != 2) - die("Write failed"); - } - return(0); -} |