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Diffstat (limited to 'arch/arm/boot/compressed/ofw-shark.c')
-rw-r--r--arch/arm/boot/compressed/ofw-shark.c260
1 files changed, 0 insertions, 260 deletions
diff --git a/arch/arm/boot/compressed/ofw-shark.c b/arch/arm/boot/compressed/ofw-shark.c
deleted file mode 100644
index 465c54b6b128..000000000000
--- a/arch/arm/boot/compressed/ofw-shark.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/*
- * linux/arch/arm/boot/compressed/ofw-shark.c
- *
- * by Alexander Schulz
- *
- * This file is used to get some basic information
- * about the memory layout of the shark we are running
- * on. Memory is usually divided in blocks a 8 MB.
- * And bootargs are copied from OpenFirmware.
- */
-
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <asm/setup.h>
-#include <asm/page.h>
-
-
-asmlinkage void
-create_params (unsigned long *buffer)
-{
- /* Is there a better address? Also change in mach-shark/core.c */
- struct tag *tag = (struct tag *) 0x08003000;
- int j,i,m,k,nr_banks,size;
- unsigned char *c;
-
- k = 0;
-
- /* Head of the taglist */
- tag->hdr.tag = ATAG_CORE;
- tag->hdr.size = tag_size(tag_core);
- tag->u.core.flags = 1;
- tag->u.core.pagesize = PAGE_SIZE;
- tag->u.core.rootdev = 0;
-
- /* Build up one tagged block for each memory region */
- size=0;
- nr_banks=(unsigned int) buffer[0];
- for (j=0;j<nr_banks;j++){
- /* search the lowest address and put it into the next entry */
- /* not a fast sort algorithm, but there are at most 8 entries */
- /* and this is used only once anyway */
- m=0xffffffff;
- for (i=0;i<(unsigned int) buffer[0];i++){
- if (buffer[2*i+1]<m) {
- m=buffer[2*i+1];
- k=i;
- }
- }
-
- tag = tag_next(tag);
- tag->hdr.tag = ATAG_MEM;
- tag->hdr.size = tag_size(tag_mem32);
- tag->u.mem.size = buffer[2*k+2];
- tag->u.mem.start = buffer[2*k+1];
-
- size += buffer[2*k+2];
-
- buffer[2*k+1]=0xffffffff; /* mark as copied */
- }
-
- /* The command line */
- tag = tag_next(tag);
- tag->hdr.tag = ATAG_CMDLINE;
-
- c=(unsigned char *)(&buffer[34]);
- j=0;
- while (*c) tag->u.cmdline.cmdline[j++]=*c++;
-
- tag->u.cmdline.cmdline[j]=0;
- tag->hdr.size = (j + 7 + sizeof(struct tag_header)) >> 2;
-
- /* Hardware revision */
- tag = tag_next(tag);
- tag->hdr.tag = ATAG_REVISION;
- tag->hdr.size = tag_size(tag_revision);
- tag->u.revision.rev = ((unsigned char) buffer[33])-'0';
-
- /* End of the taglist */
- tag = tag_next(tag);
- tag->hdr.tag = 0;
- tag->hdr.size = 0;
-}
-
-
-typedef int (*ofw_handle_t)(void *);
-
-/* Everything below is called with a wrong MMU setting.
- * This means: no string constants, no initialization of
- * arrays, no global variables! This is ugly but I didn't
- * want to write this in assembler :-)
- */
-
-int
-of_decode_int(const unsigned char *p)
-{
- unsigned int i = *p++ << 8;
- i = (i + *p++) << 8;
- i = (i + *p++) << 8;
- return (i + *p);
-}
-
-int
-OF_finddevice(ofw_handle_t openfirmware, char *name)
-{
- unsigned int args[8];
- char service[12];
-
- service[0]='f';
- service[1]='i';
- service[2]='n';
- service[3]='d';
- service[4]='d';
- service[5]='e';
- service[6]='v';
- service[7]='i';
- service[8]='c';
- service[9]='e';
- service[10]='\0';
-
- args[0]=(unsigned int)service;
- args[1]=1;
- args[2]=1;
- args[3]=(unsigned int)name;
-
- if (openfirmware(args) == -1)
- return -1;
- return args[4];
-}
-
-int
-OF_getproplen(ofw_handle_t openfirmware, int handle, char *prop)
-{
- unsigned int args[8];
- char service[12];
-
- service[0]='g';
- service[1]='e';
- service[2]='t';
- service[3]='p';
- service[4]='r';
- service[5]='o';
- service[6]='p';
- service[7]='l';
- service[8]='e';
- service[9]='n';
- service[10]='\0';
-
- args[0] = (unsigned int)service;
- args[1] = 2;
- args[2] = 1;
- args[3] = (unsigned int)handle;
- args[4] = (unsigned int)prop;
-
- if (openfirmware(args) == -1)
- return -1;
- return args[5];
-}
-
-int
-OF_getprop(ofw_handle_t openfirmware, int handle, char *prop, void *buf, unsigned int buflen)
-{
- unsigned int args[8];
- char service[8];
-
- service[0]='g';
- service[1]='e';
- service[2]='t';
- service[3]='p';
- service[4]='r';
- service[5]='o';
- service[6]='p';
- service[7]='\0';
-
- args[0] = (unsigned int)service;
- args[1] = 4;
- args[2] = 1;
- args[3] = (unsigned int)handle;
- args[4] = (unsigned int)prop;
- args[5] = (unsigned int)buf;
- args[6] = buflen;
-
- if (openfirmware(args) == -1)
- return -1;
- return args[7];
-}
-
-asmlinkage void ofw_init(ofw_handle_t o, int *nomr, int *pointer)
-{
- int phandle,i,mem_len,buffer[32];
- char temp[15];
-
- temp[0]='/';
- temp[1]='m';
- temp[2]='e';
- temp[3]='m';
- temp[4]='o';
- temp[5]='r';
- temp[6]='y';
- temp[7]='\0';
-
- phandle=OF_finddevice(o,temp);
-
- temp[0]='r';
- temp[1]='e';
- temp[2]='g';
- temp[3]='\0';
-
- mem_len = OF_getproplen(o,phandle, temp);
- OF_getprop(o,phandle, temp, buffer, mem_len);
- *nomr=mem_len >> 3;
-
- for (i=0; i<=mem_len/4; i++) pointer[i]=of_decode_int((const unsigned char *)&buffer[i]);
-
- temp[0]='/';
- temp[1]='c';
- temp[2]='h';
- temp[3]='o';
- temp[4]='s';
- temp[5]='e';
- temp[6]='n';
- temp[7]='\0';
-
- phandle=OF_finddevice(o,temp);
-
- temp[0]='b';
- temp[1]='o';
- temp[2]='o';
- temp[3]='t';
- temp[4]='a';
- temp[5]='r';
- temp[6]='g';
- temp[7]='s';
- temp[8]='\0';
-
- mem_len = OF_getproplen(o,phandle, temp);
- OF_getprop(o,phandle, temp, buffer, mem_len);
- if (mem_len > 128) mem_len=128;
- for (i=0; i<=mem_len/4; i++) pointer[i+33]=buffer[i];
- pointer[i+33]=0;
-
- temp[0]='/';
- temp[1]='\0';
- phandle=OF_finddevice(o,temp);
- temp[0]='b';
- temp[1]='a';
- temp[2]='n';
- temp[3]='n';
- temp[4]='e';
- temp[5]='r';
- temp[6]='-';
- temp[7]='n';
- temp[8]='a';
- temp[9]='m';
- temp[10]='e';
- temp[11]='\0';
- mem_len = OF_getproplen(o,phandle, temp);
- OF_getprop(o,phandle, temp, buffer, mem_len);
- * ((unsigned char *) &pointer[32]) = ((unsigned char *) buffer)[mem_len-2];
-}