Remove simnow earlyprintk support

The later versions of SimNow! actually all have serial console
emulation, so the direct interface isn't needed anymore.
So remove the undocumented simnow earlyprintk console.

Signed-off-by: Andi Kleen

---
arch/x86/kernel/early_printk.c | 45 -----------------------------------------
1 file changed, 45 deletions(-)

Index: linux-2.6.27-misc/arch/x86/kernel/early_printk.c
================================================== =================
--- linux-2.6.27-misc.orig/arch/x86/kernel/early_printk.c
+++ linux-2.6.27-misc/arch/x86/kernel/early_printk.c
@@ -151,47 +151,6 @@ static struct console early_serial_conso
.index = -1,
};

-/* Console interface to a host file on AMD's SimNow! */
-
-static int simnow_fd;
-
-enum {
- MAGIC1 = 0xBACCD00A,
- MAGIC2 = 0xCA110000,
- XOPEN = 5,
- XWRITE = 4,
-};
-
-static noinline long simnow(long cmd, long a, long b, long c)
-{
- long ret;
- asm volatile("cpuid" :
- "=a" (ret) :
- "b" (a), "c" (b), "d" (c), "0" (MAGIC1), "D" (cmd + MAGIC2));
- return ret;
-}
-
-static void __init simnow_init(char *str)
-{
- char *fn = "klog";
- if (*str == '=')
- fn = ++str;
- /* error ignored */
- simnow_fd = simnow(XOPEN, (unsigned long)fn, O_WRONLY|O_APPEND|O_CREAT, 0644);
-}
-
-static void simnow_write(struct console *con, const char *s, unsigned n)
-{
- simnow(XWRITE, simnow_fd, (unsigned long)s, n);
-}
-
-static struct console simnow_console = {
- .name = "simnow",
- .write = simnow_write,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
/* Direct interface for emergencies */
static struct console *early_console = &early_vga_console;
static int early_console_initialized;
@@ -234,10 +193,6 @@ static int __init setup_early_printk(cha
max_ypos = boot_params.screen_info.orig_video_lines;
current_ypos = boot_params.screen_info.orig_y;
early_console = &early_vga_console;
- } else if (!strncmp(buf, "simnow", 6)) {
- simnow_init(buf + 6);
- early_console = &simnow_console;
- keep_early = 1;
#ifdef CONFIG_HVC_XEN
} else if (!strncmp(buf, "xen", 3)) {
early_console = &xenboot_console;
--
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