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authorPaul Mackerras <paulus@samba.org>2008-06-09 14:01:46 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-10 21:40:22 +1000
commit917f0af9e5a9ceecf9e72537fabb501254ba321d (patch)
tree1ef207755c6d83ce4af93ef2b5e4645eebd65886 /arch/ppc/boot/common
parentpowerpc: Improve (in|out)_[bl]eXX() asm code (diff)
downloadlinux-dev-917f0af9e5a9ceecf9e72537fabb501254ba321d.tar.xz
linux-dev-917f0af9e5a9ceecf9e72537fabb501254ba321d.zip
powerpc: Remove arch/ppc and include/asm-ppc
All the maintained platforms are now in arch/powerpc, so the old arch/ppc stuff can now go away. Acked-by: Adrian Bunk <bunk@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Becky Bruce <becky.bruce@freescale.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Jochen Friedrich <jochen@scram.de> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: Jon Loeliger <jdl@freescale.com> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Scott Wood <scottwood@freescale.com> Acked-by: Sean MacLennan <smaclennan@pikatech.com> Acked-by: Segher Boessenkool <segher@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc/boot/common')
-rw-r--r--arch/ppc/boot/common/Makefile10
-rw-r--r--arch/ppc/boot/common/bootinfo.c68
-rw-r--r--arch/ppc/boot/common/crt0.S80
-rw-r--r--arch/ppc/boot/common/misc-common.c555
-rw-r--r--arch/ppc/boot/common/ns16550.c103
-rw-r--r--arch/ppc/boot/common/serial_stub.c21
-rw-r--r--arch/ppc/boot/common/string.S150
-rw-r--r--arch/ppc/boot/common/util.S293
8 files changed, 0 insertions, 1280 deletions
diff --git a/arch/ppc/boot/common/Makefile b/arch/ppc/boot/common/Makefile
deleted file mode 100644
index a2e85e3beb88..000000000000
--- a/arch/ppc/boot/common/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-# 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.
-#
-# Tom Rini January 2001
-#
-
-lib-y := string.o util.o misc-common.o \
- serial_stub.o bootinfo.o
-lib-$(CONFIG_SERIAL_8250_CONSOLE) += ns16550.o
diff --git a/arch/ppc/boot/common/bootinfo.c b/arch/ppc/boot/common/bootinfo.c
deleted file mode 100644
index f4dc9b9fab9c..000000000000
--- a/arch/ppc/boot/common/bootinfo.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * General bootinfo record utilities
- * Author: Randy Vinson <rvinson@mvista.com>
- *
- * 2002 (c) MontaVista Software, Inc. This file is licensed under the terms
- * of the GNU General Public License version 2. This program is licensed
- * "as is" without any warranty of any kind, whether express or implied.
- */
-
-#include <linux/types.h>
-#include <linux/string.h>
-#include <asm/bootinfo.h>
-
-#include "nonstdio.h"
-
-static struct bi_record * birec = NULL;
-
-static struct bi_record *
-__bootinfo_build(struct bi_record *rec, unsigned long tag, unsigned long size,
- void *data)
-{
- /* set the tag */
- rec->tag = tag;
-
- /* if the caller has any data, copy it */
- if (size)
- memcpy(rec->data, (char *)data, size);
-
- /* set the record size */
- rec->size = sizeof(struct bi_record) + size;
-
- /* advance to the next available space */
- rec = (struct bi_record *)((unsigned long)rec + rec->size);
-
- return rec;
-}
-
-void
-bootinfo_init(struct bi_record *rec)
-{
-
- /* save start of birec area */
- birec = rec;
-
- /* create an empty list */
- rec = __bootinfo_build(rec, BI_FIRST, 0, NULL);
- (void) __bootinfo_build(rec, BI_LAST, 0, NULL);
-
-}
-
-void
-bootinfo_append(unsigned long tag, unsigned long size, void * data)
-{
-
- struct bi_record *rec = birec;
-
- /* paranoia */
- if ((rec == NULL) || (rec->tag != BI_FIRST))
- return;
-
- /* find the last entry in the list */
- while (rec->tag != BI_LAST)
- rec = (struct bi_record *)((ulong)rec + rec->size);
-
- /* overlay BI_LAST record with new one and tag on a new BI_LAST */
- rec = __bootinfo_build(rec, tag, size, data);
- (void) __bootinfo_build(rec, BI_LAST, 0, NULL);
-}
diff --git a/arch/ppc/boot/common/crt0.S b/arch/ppc/boot/common/crt0.S
deleted file mode 100644
index 8f0ef04b8de5..000000000000
--- a/arch/ppc/boot/common/crt0.S
+++ /dev/null
@@ -1,80 +0,0 @@
-/* Copyright (c) 1997 Paul Mackerras <paulus@cs.anu.edu.au>
- * Initial Power Macintosh COFF version.
- * Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
- * Modifications for IBM PowerPC 400-class processor evaluation
- * boards.
- *
- * Module name: crt0.S
- *
- * Description:
- * Boot loader execution entry point. Clears out .bss section as per
- * ANSI C requirements. Invalidates and flushes the caches over the
- * range covered by the boot loader's .text section. Sets up a stack
- * below the .text section entry point.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <asm/ppc_asm.h>
-
- .text
-
- .globl _start
-_start:
-#ifdef XCOFF
- .long __start,0,0
-
- .globl __start
-__start:
-#endif
-
- ## Flush and invalidate the caches for the range in memory covering
- ## the .text section of the boot loader
-
- lis r9,_start@h # r9 = &_start
- lis r8,_etext@ha #
- addi r8,r8,_etext@l # r8 = &_etext
-3: dcbf r0,r9 # Flush the data cache
- icbi r0,r9 # Invalidate the instruction cache
- addi r9,r9,0x10 # Increment by one cache line
- cmplw cr0,r9,r8 # Are we at the end yet?
- blt 3b # No, keep flushing and invalidating
- sync # sync ; isync after flushing the icache
- isync
-
- ## Clear out the BSS as per ANSI C requirements
-
- lis r7,_end@ha
- addi r7,r7,_end@l # r7 = &_end
- lis r8,__bss_start@ha #
- addi r8,r8,__bss_start@l # r8 = &_bss_start
-
- ## Determine how large an area, in number of words, to clear
-
- subf r7,r8,r7 # r7 = &_end - &_bss_start + 1
- addi r7,r7,3 # r7 += 3
- srwi. r7,r7,2 # r7 = size in words.
- beq 2f # If the size is zero, do not bother
- addi r8,r8,-4 # r8 -= 4
- mtctr r7 # SPRN_CTR = number of words to clear
- li r0,0 # r0 = 0
-1: stwu r0,4(r8) # Clear out a word
- bdnz 1b # If we are not done yet, keep clearing
-2:
-
-#ifdef CONFIG_40x
- ## Set up the stack
-
- lis r9,_start@h # r9 = &_start (text section entry)
- ori r9,r9,_start@l
- subi r1,r9,64 # Start the stack 64 bytes below _start
- clrrwi r1,r1,4 # Make sure it is aligned on 16 bytes.
- li r0,0
- stwu r0,-16(r1)
- mtlr r9
-#endif
-
- b start # All done, start the real work.
diff --git a/arch/ppc/boot/common/misc-common.c b/arch/ppc/boot/common/misc-common.c
deleted file mode 100644
index 9589969cec72..000000000000
--- a/arch/ppc/boot/common/misc-common.c
+++ /dev/null
@@ -1,555 +0,0 @@
-/*
- * Misc. bootloader code (almost) all platforms can use
- *
- * Author: Johnnie Peters <jpeters@mvista.com>
- * Editor: Tom Rini <trini@mvista.com>
- *
- * Derived from arch/ppc/boot/prep/misc.c
- *
- * 2000-2001 (c) MontaVista, Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <stdarg.h> /* for va_ bits */
-#include <linux/string.h>
-#include <linux/zlib.h>
-#include "nonstdio.h"
-
-/* If we're on a PReP, assume we have a keyboard controller
- * Also note, if we're not PReP, we assume you are a serial
- * console - Tom */
-#if defined(CONFIG_PPC_PREP) && defined(CONFIG_VGA_CONSOLE)
-extern void cursor(int x, int y);
-extern void scroll(void);
-extern char *vidmem;
-extern int lines, cols;
-extern int orig_x, orig_y;
-extern int keyb_present;
-extern int CRT_tstc(void);
-extern int CRT_getc(void);
-#else
-int cursor(int x, int y) {return 0;}
-void scroll(void) {}
-char vidmem[1];
-#define lines 0
-#define cols 0
-int orig_x = 0;
-int orig_y = 0;
-#define keyb_present 0
-int CRT_tstc(void) {return 0;}
-int CRT_getc(void) {return 0;}
-#endif
-
-extern char *avail_ram;
-extern char *end_avail;
-extern char _end[];
-
-void puts(const char *);
-void putc(const char c);
-void puthex(unsigned long val);
-void gunzip(void *, int, unsigned char *, int *);
-static int _cvt(unsigned long val, char *buf, long radix, char *digits);
-
-void _vprintk(void(*putc)(const char), const char *fmt0, va_list ap);
-unsigned char *ISA_io = NULL;
-
-#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \
- || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \
- || defined(CONFIG_SERIAL_MPSC_CONSOLE) \
- || defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
-extern unsigned long com_port;
-
-extern int serial_tstc(unsigned long com_port);
-extern unsigned char serial_getc(unsigned long com_port);
-extern void serial_putc(unsigned long com_port, unsigned char c);
-#endif
-
-void pause(void)
-{
- puts("pause\n");
-}
-
-void exit(void)
-{
- puts("exit\n");
- while(1);
-}
-
-int tstc(void)
-{
-#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \
- || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \
- || defined(CONFIG_SERIAL_MPSC_CONSOLE) \
- || defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
- if(keyb_present)
- return (CRT_tstc() || serial_tstc(com_port));
- else
- return (serial_tstc(com_port));
-#else
- return CRT_tstc();
-#endif
-}
-
-int getc(void)
-{
- while (1) {
-#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \
- || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \
- || defined(CONFIG_SERIAL_MPSC_CONSOLE) \
- || defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
- if (serial_tstc(com_port))
- return (serial_getc(com_port));
-#endif /* serial console */
- if (keyb_present)
- if(CRT_tstc())
- return (CRT_getc());
- }
-}
-
-void
-putc(const char c)
-{
- int x,y;
-
-#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \
- || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \
- || defined(CONFIG_SERIAL_MPSC_CONSOLE) \
- || defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
- serial_putc(com_port, c);
- if ( c == '\n' )
- serial_putc(com_port, '\r');
-#endif /* serial console */
-
- x = orig_x;
- y = orig_y;
-
- if ( c == '\n' ) {
- x = 0;
- if ( ++y >= lines ) {
- scroll();
- y--;
- }
- } else if (c == '\r') {
- x = 0;
- } else if (c == '\b') {
- if (x > 0) {
- x--;
- }
- } else {
- vidmem [ ( x + cols * y ) * 2 ] = c;
- if ( ++x >= cols ) {
- x = 0;
- if ( ++y >= lines ) {
- scroll();
- y--;
- }
- }
- }
-
- cursor(x, y);
-
- orig_x = x;
- orig_y = y;
-}
-
-void puts(const char *s)
-{
- int x,y;
- char c;
-
- x = orig_x;
- y = orig_y;
-
- while ( ( c = *s++ ) != '\0' ) {
-#if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \
- || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \
- || defined(CONFIG_SERIAL_MPSC_CONSOLE) \
- || defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
- serial_putc(com_port, c);
- if ( c == '\n' ) serial_putc(com_port, '\r');
-#endif /* serial console */
-
- if ( c == '\n' ) {
- x = 0;
- if ( ++y >= lines ) {
- scroll();
- y--;
- }
- } else if (c == '\b') {
- if (x > 0) {
- x--;
- }
- } else {
- vidmem [ ( x + cols * y ) * 2 ] = c;
- if ( ++x >= cols ) {
- x = 0;
- if ( ++y >= lines ) {
- scroll();
- y--;
- }
- }
- }
- }
-
- cursor(x, y);
-
- orig_x = x;
- orig_y = y;
-}
-
-void error(char *x)
-{
- puts("\n\n");
- puts(x);
- puts("\n\n -- System halted");
-
- while(1); /* Halt */
-}
-
-static void *zalloc(unsigned size)
-{
- void *p = avail_ram;
-
- size = (size + 7) & -8;
- avail_ram += size;
- if (avail_ram > end_avail) {
- puts("oops... out of memory\n");
- pause();
- }
- return p;
-}
-
-#define HEAD_CRC 2
-#define EXTRA_FIELD 4
-#define ORIG_NAME 8
-#define COMMENT 0x10
-#define RESERVED 0xe0
-
-void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
-{
- z_stream s;
- int r, i, flags;
-
- /* skip header */
- i = 10;
- flags = src[3];
- if (src[2] != Z_DEFLATED || (flags & RESERVED) != 0) {
- puts("bad gzipped data\n");
- exit();
- }
- if ((flags & EXTRA_FIELD) != 0)
- i = 12 + src[10] + (src[11] << 8);
- if ((flags & ORIG_NAME) != 0)
- while (src[i++] != 0)
- ;
- if ((flags & COMMENT) != 0)
- while (src[i++] != 0)
- ;
- if ((flags & HEAD_CRC) != 0)
- i += 2;
- if (i >= *lenp) {
- puts("gunzip: ran out of data in header\n");
- exit();
- }
-
- /* Initialize ourself. */
- s.workspace = zalloc(zlib_inflate_workspacesize());
- r = zlib_inflateInit2(&s, -MAX_WBITS);
- if (r != Z_OK) {
- puts("zlib_inflateInit2 returned "); puthex(r); puts("\n");
- exit();
- }
- s.next_in = src + i;
- s.avail_in = *lenp - i;
- s.next_out = dst;
- s.avail_out = dstlen;
- r = zlib_inflate(&s, Z_FINISH);
- if (r != Z_OK && r != Z_STREAM_END) {
- puts("inflate returned "); puthex(r); puts("\n");
- exit();
- }
- *lenp = s.next_out - (unsigned char *) dst;
- zlib_inflateEnd(&s);
-}
-
-void
-puthex(unsigned long val)
-{
-
- unsigned char buf[10];
- int i;
- for (i = 7; i >= 0; i--)
- {
- buf[i] = "0123456789ABCDEF"[val & 0x0F];
- val >>= 4;
- }
- buf[8] = '\0';
- puts(buf);
-}
-
-#define FALSE 0
-#define TRUE 1
-
-void
-_printk(char const *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- _vprintk(putc, fmt, ap);
- va_end(ap);
- return;
-}
-
-#define is_digit(c) ((c >= '0') && (c <= '9'))
-
-void
-_vprintk(void(*putc)(const char), const char *fmt0, va_list ap)
-{
- char c, sign, *cp = 0;
- int left_prec, right_prec, zero_fill, length = 0, pad, pad_on_right;
- char buf[32];
- long val;
- while ((c = *fmt0++))
- {
- if (c == '%')
- {
- c = *fmt0++;
- left_prec = right_prec = pad_on_right = 0;
- if (c == '-')
- {
- c = *fmt0++;
- pad_on_right++;
- }
- if (c == '0')
- {
- zero_fill = TRUE;
- c = *fmt0++;
- } else
- {
- zero_fill = FALSE;
- }
- while (is_digit(c))
- {
- left_prec = (left_prec * 10) + (c - '0');
- c = *fmt0++;
- }
- if (c == '.')
- {
- c = *fmt0++;
- zero_fill++;
- while (is_digit(c))
- {
- right_prec = (right_prec * 10) + (c - '0');
- c = *fmt0++;
- }
- } else
- {
- right_prec = left_prec;
- }
- sign = '\0';
- switch (c)
- {
- case 'd':
- case 'x':
- case 'X':
- val = va_arg(ap, long);
- switch (c)
- {
- case 'd':
- if (val < 0)
- {
- sign = '-';
- val = -val;
- }
- length = _cvt(val, buf, 10, "0123456789");
- break;
- case 'x':
- length = _cvt(val, buf, 16, "0123456789abcdef");
- break;
- case 'X':
- length = _cvt(val, buf, 16, "0123456789ABCDEF");
- break;
- }
- cp = buf;
- break;
- case 's':
- cp = va_arg(ap, char *);
- length = strlen(cp);
- break;
- case 'c':
- c = va_arg(ap, long /*char*/);
- (*putc)(c);
- continue;
- default:
- (*putc)('?');
- }
- pad = left_prec - length;
- if (sign != '\0')
- {
- pad--;
- }
- if (zero_fill)
- {
- c = '0';
- if (sign != '\0')
- {
- (*putc)(sign);
- sign = '\0';
- }
- } else
- {
- c = ' ';
- }
- if (!pad_on_right)
- {
- while (pad-- > 0)
- {
- (*putc)(c);
- }
- }
- if (sign != '\0')
- {
- (*putc)(sign);
- }
- while (length-- > 0)
- {
- (*putc)(c = *cp++);
- if (c == '\n')
- {
- (*putc)('\r');
- }
- }
- if (pad_on_right)
- {
- while (pad-- > 0)
- {
- (*putc)(c);
- }
- }
- } else
- {
- (*putc)(c);
- if (c == '\n')
- {
- (*putc)('\r');
- }
- }
- }
-}
-
-int
-_cvt(unsigned long val, char *buf, long radix, char *digits)
-{
- char temp[80];
- char *cp = temp;
- int length = 0;
- if (val == 0)
- { /* Special case */
- *cp++ = '0';
- } else
- while (val)
- {
- *cp++ = digits[val % radix];
- val /= radix;
- }
- while (cp != temp)
- {
- *buf++ = *--cp;
- length++;
- }
- *buf = '\0';
- return (length);
-}
-
-void
-_dump_buf_with_offset(unsigned char *p, int s, unsigned char *base)
-{
- int i, c;
- if ((unsigned int)s > (unsigned int)p)
- {
- s = (unsigned int)s - (unsigned int)p;
- }
- while (s > 0)
- {
- if (base)
- {
- _printk("%06X: ", (int)p - (int)base);
- } else
- {
- _printk("%06X: ", p);
- }
- for (i = 0; i < 16; i++)
- {
- if (i < s)
- {
- _printk("%02X", p[i] & 0xFF);
- } else
- {
- _printk(" ");
- }
- if ((i % 2) == 1) _printk(" ");
- if ((i % 8) == 7) _printk(" ");
- }
- _printk(" |");
- for (i = 0; i < 16; i++)
- {
- if (i < s)
- {
- c = p[i] & 0xFF;
- if ((c < 0x20) || (c >= 0x7F)) c = '.';
- } else
- {
- c = ' ';
- }
- _printk("%c", c);
- }
- _printk("|\n");
- s -= 16;
- p += 16;
- }
-}
-
-void
-_dump_buf(unsigned char *p, int s)
-{
- _printk("\n");
- _dump_buf_with_offset(p, s, 0);
-}
-
-/* Very simple inb/outb routines. We declare ISA_io to be 0 above, and
- * then modify it on platforms which need to. We do it like this
- * because on some platforms we give inb/outb an exact location, and
- * on others it's an offset from a given location. -- Tom
- */
-
-void ISA_init(unsigned long base)
-{
- ISA_io = (unsigned char *)base;
-}
-
-void
-outb(int port, unsigned char val)
-{
- /* Ensure I/O operations complete */
- __asm__ volatile("eieio");
- ISA_io[port] = val;
-}
-
-unsigned char
-inb(int port)
-{
- /* Ensure I/O operations complete */
- __asm__ volatile("eieio");
- return (ISA_io[port]);
-}
-
-/*
- * Local variables:
- * c-indent-level: 8
- * c-basic-offset: 8
- * tab-width: 8
- * End:
- */
diff --git a/arch/ppc/boot/common/ns16550.c b/arch/ppc/boot/common/ns16550.c
deleted file mode 100644
index fc5b72041948..000000000000
--- a/arch/ppc/boot/common/ns16550.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * COM1 NS16550 support
- */
-
-#include <linux/types.h>
-#include <linux/serial.h>
-#include <linux/serial_reg.h>
-#include <asm/serial.h>
-
-#if defined(CONFIG_XILINX_VIRTEX)
-#include <platforms/4xx/xparameters/xparameters.h>
-#endif
-#include "nonstdio.h"
-#include "serial.h"
-
-#define SERIAL_BAUD 9600
-
-extern unsigned long ISA_io;
-
-static struct serial_state rs_table[RS_TABLE_SIZE] = {
- SERIAL_PORT_DFNS /* Defined in <asm/serial.h> */
-};
-
-static int shift;
-
-unsigned long serial_init(int chan, void *ignored)
-{
- unsigned long com_port, base_baud;
- unsigned char lcr, dlm;
-
- /* We need to find out which type io we're expecting. If it's
- * 'SERIAL_IO_PORT', we get an offset from the isa_io_base.
- * If it's 'SERIAL_IO_MEM', we can the exact location. -- Tom */
- switch (rs_table[chan].io_type) {
- case SERIAL_IO_PORT:
- com_port = rs_table[chan].port;
- break;
- case SERIAL_IO_MEM:
- com_port = (unsigned long)rs_table[chan].iomem_base;
- break;
- default:
- /* We can't deal with it. */
- return -1;
- }
-
- /* How far apart the registers are. */
- shift = rs_table[chan].iomem_reg_shift;
- /* Base baud.. */
- base_baud = rs_table[chan].baud_base;
-
- /* save the LCR */
- lcr = inb(com_port + (UART_LCR << shift));
- /* Access baud rate */
- outb(com_port + (UART_LCR << shift), 0x80);
- dlm = inb(com_port + (UART_DLM << shift));
- /*
- * Test if serial port is unconfigured.
- * We assume that no-one uses less than 110 baud or
- * less than 7 bits per character these days.
- * -- paulus.
- */
-
- if ((dlm <= 4) && (lcr & 2))
- /* port is configured, put the old LCR back */
- outb(com_port + (UART_LCR << shift), lcr);
- else {
- /* Input clock. */
- outb(com_port + (UART_DLL << shift),
- (base_baud / SERIAL_BAUD) & 0xFF);
- outb(com_port + (UART_DLM << shift),
- (base_baud / SERIAL_BAUD) >> 8);
- /* 8 data, 1 stop, no parity */
- outb(com_port + (UART_LCR << shift), 0x03);
- /* RTS/DTR */
- outb(com_port + (UART_MCR << shift), 0x03);
- }
- /* Clear & enable FIFOs */
- outb(com_port + (UART_FCR << shift), 0x07);
-
- return (com_port);
-}
-
-void
-serial_putc(unsigned long com_port, unsigned char c)
-{
- while ((inb(com_port + (UART_LSR << shift)) & UART_LSR_THRE) == 0)
- ;
- outb(com_port, c);
-}
-
-unsigned char
-serial_getc(unsigned long com_port)
-{
- while ((inb(com_port + (UART_LSR << shift)) & UART_LSR_DR) == 0)
- ;
- return inb(com_port);
-}
-
-int
-serial_tstc(unsigned long com_port)
-{
- return ((inb(com_port + (UART_LSR << shift)) & UART_LSR_DR) != 0);
-}
diff --git a/arch/ppc/boot/common/serial_stub.c b/arch/ppc/boot/common/serial_stub.c
deleted file mode 100644
index 5cc9ae66a8ba..000000000000
--- a/arch/ppc/boot/common/serial_stub.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * This is a few stub routines to make the boot code cleaner looking when
- * there is no serial port support doesn't need to be closed, for example.
- *
- * Author: Tom Rini <trini@mvista.com>
- *
- * 2003 (c) MontaVista, Software, Inc. This file is licensed under the terms
- * of the GNU General Public License version 2. This program is licensed "as
- * is" without any warranty of any kind, whether express or implied.
- */
-
-unsigned long __attribute__ ((weak))
-serial_init(int chan, void *ignored)
-{
- return 0;
-}
-
-void __attribute__ ((weak))
-serial_close(unsigned long com_port)
-{
-}
diff --git a/arch/ppc/boot/common/string.S b/arch/ppc/boot/common/string.S
deleted file mode 100644
index 8016e43c4771..000000000000
--- a/arch/ppc/boot/common/string.S
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * String handling functions for PowerPC.
- *
- * Copyright (C) 1996 Paul Mackerras.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#define r0 0
-#define r3 3
-#define r4 4
-#define r5 5
-#define r6 6
-#define r7 7
-#define r8 8
-
- .globl strlen
-strlen:
- addi r4,r3,-1
-1: lbzu r0,1(r4)
- cmpwi 0,r0,0
- bne 1b
- subf r3,r3,r4
- blr
-
- .globl memset
-memset:
- rlwimi r4,r4,8,16,23
- rlwimi r4,r4,16,0,15
- addi r6,r3,-4
- cmplwi 0,r5,4
- blt 7f
- stwu r4,4(r6)
- beqlr
- andi. r0,r6,3
- add r5,r0,r5
- subf r6,r0,r6
- rlwinm r0,r5,32-2,2,31
- mtctr r0
- bdz 6f
-1: stwu r4,4(r6)
- bdnz 1b
-6: andi. r5,r5,3
-7: cmpwi 0,r5,0
- beqlr
- mtctr r5
- addi r6,r6,3
-8: stbu r4,1(r6)
- bdnz 8b
- blr
-
- .globl memmove
-memmove:
- cmplw 0,r3,r4
- bgt backwards_memcpy
- /* fall through */
-
- .globl memcpy
-memcpy:
- rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
- addi r6,r3,-4
- addi r4,r4,-4
- beq 2f /* if less than 8 bytes to do */
- andi. r0,r6,3 /* get dest word aligned */
- mtctr r7
- bne 5f
-1: lwz r7,4(r4)
- lwzu r8,8(r4)
- stw r7,4(r6)
- stwu r8,8(r6)
- bdnz 1b
- andi. r5,r5,7
-2: cmplwi 0,r5,4
- blt 3f
- lwzu r0,4(r4)
- addi r5,r5,-4
- stwu r0,4(r6)
-3: cmpwi 0,r5,0
- beqlr
- mtctr r5
- addi r4,r4,3
- addi r6,r6,3
-4: lbzu r0,1(r4)
- stbu r0,1(r6)
- bdnz 4b
- blr
-5: subfic r0,r0,4
- mtctr r0
-6: lbz r7,4(r4)
- addi r4,r4,1
- stb r7,4(r6)
- addi r6,r6,1
- bdnz 6b
- subf r5,r0,r5
- rlwinm. r7,r5,32-3,3,31
- beq 2b
- mtctr r7
- b 1b
-
- .globl backwards_memcpy
-backwards_memcpy:
- rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
- add r6,r3,r5
- add r4,r4,r5
- beq 2f
- andi. r0,r6,3
- mtctr r7
- bne 5f
-1: lwz r7,-4(r4)
- lwzu r8,-8(r4)
- stw r7,-4(r6)
- stwu r8,-8(r6)
- bdnz 1b
- andi. r5,r5,7
-2: cmplwi 0,r5,4
- blt 3f
- lwzu r0,-4(r4)
- subi r5,r5,4
- stwu r0,-4(r6)
-3: cmpwi 0,r5,0
- beqlr
- mtctr r5
-4: lbzu r0,-1(r4)
- stbu r0,-1(r6)
- bdnz 4b
- blr
-5: mtctr r0
-6: lbzu r7,-1(r4)
- stbu r7,-1(r6)
- bdnz 6b
- subf r5,r0,r5
- rlwinm. r7,r5,32-3,3,31
- beq 2b
- mtctr r7
- b 1b
-
- .globl memcmp
-memcmp:
- cmpwi 0,r5,0
- blelr
- mtctr r5
- addi r6,r3,-1
- addi r4,r4,-1
-1: lbzu r3,1(r6)
- lbzu r0,1(r4)
- subf. r3,r0,r3
- bdnzt 2,1b
- blr
diff --git a/arch/ppc/boot/common/util.S b/arch/ppc/boot/common/util.S
deleted file mode 100644
index 0c5e43c4ae06..000000000000
--- a/arch/ppc/boot/common/util.S
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Useful bootup functions, which are more easily done in asm than C.
- *
- * NOTE: Be very very careful about the registers you use here.
- * We don't follow any ABI calling convention among the
- * assembler functions that call each other, especially early
- * in the initialization. Please preserve at least r3 and r4
- * for these early functions, as they often contain information
- * passed from boot roms into the C decompress function.
- *
- * Author: Tom Rini
- * trini@mvista.com
- * Derived from arch/ppc/boot/prep/head.S (Cort Dougan, many others).
- *
- * 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/ppc_asm.h>
-
-
- .text
-
-#ifdef CONFIG_6xx
- .globl disable_6xx_mmu
-disable_6xx_mmu:
- /* Establish default MSR value, exception prefix 0xFFF.
- * If necessary, this function must fix up the LR if we
- * return to a different address space once the MMU is
- * disabled.
- */
- li r8,MSR_IP|MSR_FP
- mtmsr r8
- isync
-
- /* Test for a 601 */
- mfpvr r10
- srwi r10,r10,16
- cmpwi 0,r10,1 /* 601 ? */
- beq .clearbats_601
-
- /* Clear BATs */
- li r8,0
- mtspr SPRN_DBAT0U,r8
- mtspr SPRN_DBAT0L,r8
- mtspr SPRN_DBAT1U,r8
- mtspr SPRN_DBAT1L,r8
- mtspr SPRN_DBAT2U,r8
- mtspr SPRN_DBAT2L,r8
- mtspr SPRN_DBAT3U,r8
- mtspr SPRN_DBAT3L,r8
-.clearbats_601:
- mtspr SPRN_IBAT0U,r8
- mtspr SPRN_IBAT0L,r8
- mtspr SPRN_IBAT1U,r8
- mtspr SPRN_IBAT1L,r8
- mtspr SPRN_IBAT2U,r8
- mtspr SPRN_IBAT2L,r8
- mtspr SPRN_IBAT3U,r8
- mtspr SPRN_IBAT3L,r8
- isync
- sync
- sync
-
- /* Set segment registers */
- li r8,16 /* load up segment register values */
- mtctr r8 /* for context 0 */
- lis r8,0x2000 /* Ku = 1, VSID = 0 */
- li r10,0
-3: mtsrin r8,r10
- addi r8,r8,0x111 /* increment VSID */
- addis r10,r10,0x1000 /* address of next segment */
- bdnz 3b
- blr
-
- .globl disable_6xx_l1cache
-disable_6xx_l1cache:
- /* Enable, invalidate and then disable the L1 icache/dcache. */
- li r8,0
- ori r8,r8,(HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI)
- mfspr r11,SPRN_HID0
- or r11,r11,r8
- andc r10,r11,r8
- isync
- mtspr SPRN_HID0,r8
- sync
- isync
- mtspr SPRN_HID0,r10
- sync
- isync
- blr
-#endif
-
- .globl _setup_L2CR
-_setup_L2CR:
-/*
- * We should be skipping this section on CPUs where this results in an
- * illegal instruction. If not, please send trini@kernel.crashing.org
- * the PVR of your CPU.
- */
- /* Invalidate/disable L2 cache */
- sync
- isync
- mfspr r8,SPRN_L2CR
- rlwinm r8,r8,0,1,31
- oris r8,r8,L2CR_L2I@h
- sync
- isync
- mtspr SPRN_L2CR,r8
- sync
- isync
-
- /* Wait for the invalidation to complete */
- mfspr r8,SPRN_PVR
- srwi r8,r8,16
- cmplwi cr0,r8,0x8000 /* 7450 */
- cmplwi cr1,r8,0x8001 /* 7455 */
- cmplwi cr2,r8,0x8002 /* 7457 */
- cror 4*cr0+eq,4*cr0+eq,4*cr1+eq /* Now test if any are true. */
- cror 4*cr0+eq,4*cr0+eq,4*cr2+eq
- bne 2f
-
-1: mfspr r8,SPRN_L2CR /* On 745x, poll L2I bit (bit 10) */
- rlwinm. r9,r8,0,10,10
- bne 1b
- b 3f
-
-2: mfspr r8,SPRN_L2CR /* On 75x & 74[01]0, poll L2IP bit (bit 31) */
- rlwinm. r9,r8,0,31,31
- bne 2b
-
-3: rlwinm r8,r8,0,11,9 /* Turn off L2I bit */
- sync
- isync
- mtspr SPRN_L2CR,r8
- sync
- isync
- blr
-
- .globl _setup_L3CR
-_setup_L3CR:
- /* Invalidate/disable L3 cache */
- sync
- isync
- mfspr r8,SPRN_L3CR
- rlwinm r8,r8,0,1,31
- ori r8,r8,L3CR_L3I@l
- sync
- isync
- mtspr SPRN_L3CR,r8
- sync
- isync
-
- /* Wait for the invalidation to complete */
-1: mfspr r8,SPRN_L3CR
- rlwinm. r9,r8,0,21,21
- bne 1b
-
- rlwinm r8,r8,0,22,20 /* Turn off L3I bit */
- sync
- isync
- mtspr SPRN_L3CR,r8
- sync
- isync
- blr
-
-
-/* udelay (on non-601 processors) needs to know the period of the
- * timebase in nanoseconds. This used to be hardcoded to be 60ns
- * (period of 66MHz/4). Now a variable is used that is initialized to
- * 60 for backward compatibility, but it can be overridden as necessary
- * with code something like this:
- * extern unsigned long timebase_period_ns;
- * timebase_period_ns = 1000000000 / bd->bi_tbfreq;
- */
- .data
- .globl timebase_period_ns
-timebase_period_ns:
- .long 60
-
- .text
-/*
- * Delay for a number of microseconds
- */
- .globl udelay
-udelay:
- mfspr r4,SPRN_PVR
- srwi r4,r4,16
- cmpwi 0,r4,1 /* 601 ? */
- bne .udelay_not_601
-00: li r0,86 /* Instructions / microsecond? */
- mtctr r0
-10: addi r0,r0,0 /* NOP */
- bdnz 10b
- subic. r3,r3,1
- bne 00b
- blr
-
-.udelay_not_601:
- mulli r4,r3,1000 /* nanoseconds */
- /* Change r4 to be the number of ticks using:
- * (nanoseconds + (timebase_period_ns - 1 )) / timebase_period_ns
- * timebase_period_ns defaults to 60 (16.6MHz) */
- lis r5,timebase_period_ns@ha
- lwz r5,timebase_period_ns@l(r5)
- add r4,r4,r5
- addi r4,r4,-1
- divw r4,r4,r5 /* BUS ticks */
-1: mftbu r5
- mftb r6
- mftbu r7
- cmpw 0,r5,r7
- bne 1b /* Get [synced] base time */
- addc r9,r6,r4 /* Compute end time */
- addze r8,r5
-2: mftbu r5
- cmpw 0,r5,r8
- blt 2b
- bgt 3f
- mftb r6
- cmpw 0,r6,r9
- blt 2b
-3: blr
-
- .section ".relocate_code","xa"
-/*
- * Flush and enable instruction cache
- * First, flush the data cache in case it was enabled and may be
- * holding instructions for copy back.
- */
- .globl flush_instruction_cache
-flush_instruction_cache:
- mflr r6
- bl flush_data_cache
-
-#ifdef CONFIG_8xx
- lis r3, IDC_INVALL@h
- mtspr SPRN_IC_CST, r3
- lis r3, IDC_ENABLE@h
- mtspr SPRN_IC_CST, r3
- lis r3, IDC_DISABLE@h
- mtspr SPRN_DC_CST, r3
-#elif CONFIG_4xx
- lis r3,start@h # r9 = &_start
- lis r4,_etext@ha
- addi r4,r4,_etext@l # r8 = &_etext
-1: dcbf r0,r3 # Flush the data cache
- icbi r0,r3 # Invalidate the instruction cache
- addi r3,r3,0x10 # Increment by one cache line
- cmplw cr0,r3,r4 # Are we at the end yet?
- blt 1b # No, keep flushing and invalidating
-#else
- /* Enable, invalidate and then disable the L1 icache/dcache. */
- li r3,0
- ori r3,r3,(HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI)
- mfspr r4,SPRN_HID0
- or r5,r4,r3
- isync
- mtspr SPRN_HID0,r5
- sync
- isync
- ori r5,r4,HID0_ICE /* Enable cache */
- mtspr SPRN_HID0,r5
- sync
- isync
-#endif
- mtlr r6
- blr
-
-#define NUM_CACHE_LINES 128*8
-#define cache_flush_buffer 0x1000
-
-/*
- * Flush data cache
- * Do this by just reading lots of stuff into the cache.
- */
- .globl flush_data_cache
-flush_data_cache:
- lis r3,cache_flush_buffer@h
- ori r3,r3,cache_flush_buffer@l
- li r4,NUM_CACHE_LINES
- mtctr r4
-00: lwz r4,0(r3)
- addi r3,r3,L1_CACHE_BYTES /* Next line, please */
- bdnz 00b
-10: blr
-
- .previous
-