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* Added support for both PCMCIA slots (at the same time!) on MPC8xx

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* Patch by Rod Boyce, 21 Nov 2002:
  fix PCMCIA on MBX8xx board

* Patch by Pierre Aubert , 21 Nov 2002
  Add CFG_CPM_POST_WORD_ADDR to make the offset of the
  bootmode word in DPRAM configurable
This commit is contained in:
wdenk
2002-11-21 23:11:29 +00:00
parent b2184c314d
commit ea909b7604
18 changed files with 161 additions and 194 deletions
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7
lib_i386/realmode.c
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@@ -24,6 +24,7 @@
#include <common.h>
#include <asm/io.h>
#include <asm/ptrace.h>
#include <asm/realmode.h>
#define REALMODE_BASE ((char*)0x7c0)
@@ -44,16 +45,16 @@ int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out)
/* copy the realmode switch code */
if (i386boot_realmode_size > (REALMODE_MAILBOX-REALMODE_BASE)) {
printf("realmode switch too large (%ld bytes, max is %d)\n",
i386boot_realmode_size, (REALMODE_MAILBOX-REALMODE_BASE));
i386boot_realmode_size, (int)(REALMODE_MAILBOX-REALMODE_BASE));
return -1;
}
memcpy(REALMODE_BASE, i386boot_realmode, i386boot_realmode_size);
memcpy(REALMODE_BASE, (void*)i386boot_realmode, i386boot_realmode_size);
in->eip = off;
in->xcs = seg;
if (3>in->esp & 0xffff) {
if (3>(in->esp & 0xffff)) {
printf("Warning: entering realmode with sp < 4 will fail\n");
}