summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/arch/m68k/sun3x/prom.c
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/sun3x/prom.c')
-rw-r--r--ANDROID_3.4.5/arch/m68k/sun3x/prom.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/sun3x/prom.c b/ANDROID_3.4.5/arch/m68k/sun3x/prom.c
deleted file mode 100644
index a7b7e818..00000000
--- a/ANDROID_3.4.5/arch/m68k/sun3x/prom.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/* Prom access routines for the sun3x */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/tty.h>
-#include <linux/console.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/bootinfo.h>
-#include <asm/setup.h>
-#include <asm/traps.h>
-#include <asm/sun3xprom.h>
-#include <asm/idprom.h>
-#include <asm/segment.h>
-#include <asm/sun3ints.h>
-#include <asm/openprom.h>
-#include <asm/machines.h>
-
-void (*sun3x_putchar)(int);
-int (*sun3x_getchar)(void);
-int (*sun3x_mayget)(void);
-int (*sun3x_mayput)(int);
-void (*sun3x_prom_reboot)(void);
-e_vector sun3x_prom_abort;
-struct linux_romvec *romvec;
-
-/* prom vector table */
-e_vector *sun3x_prom_vbr;
-
-/* Handle returning to the prom */
-void sun3x_halt(void)
-{
- unsigned long flags;
-
- /* Disable interrupts while we mess with things */
- local_irq_save(flags);
-
- /* Restore prom vbr */
- asm volatile ("movec %0,%%vbr" : : "r" ((void*)sun3x_prom_vbr));
-
- /* Restore prom NMI clock */
-// sun3x_disable_intreg(5);
- sun3_enable_irq(7);
-
- /* Let 'er rip */
- asm volatile ("trap #14");
-
- /* Restore everything */
- sun3_disable_irq(7);
- sun3_enable_irq(5);
-
- asm volatile ("movec %0,%%vbr" : : "r" ((void*)vectors));
- local_irq_restore(flags);
-}
-
-void sun3x_reboot(void)
-{
- /* This never returns, don't bother saving things */
- local_irq_disable();
-
- /* Restore prom vbr */
- asm volatile ("movec %0,%%vbr" : : "r" ((void*)sun3x_prom_vbr));
-
- /* Restore prom NMI clock */
- sun3_disable_irq(5);
- sun3_enable_irq(7);
-
- /* Let 'er rip */
- (*romvec->pv_reboot)("vmlinux");
-}
-
-static void sun3x_prom_write(struct console *co, const char *s,
- unsigned int count)
-{
- while (count--) {
- if (*s == '\n')
- sun3x_putchar('\r');
- sun3x_putchar(*s++);
- }
-}
-
-/* debug console - write-only */
-
-static struct console sun3x_debug = {
- .name = "debug",
- .write = sun3x_prom_write,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-void __init sun3x_prom_init(void)
-{
- /* Read the vector table */
-
- sun3x_putchar = *(void (**)(int)) (SUN3X_P_PUTCHAR);
- sun3x_getchar = *(int (**)(void)) (SUN3X_P_GETCHAR);
- sun3x_mayget = *(int (**)(void)) (SUN3X_P_MAYGET);
- sun3x_mayput = *(int (**)(int)) (SUN3X_P_MAYPUT);
- sun3x_prom_reboot = *(void (**)(void)) (SUN3X_P_REBOOT);
- sun3x_prom_abort = *(e_vector *) (SUN3X_P_ABORT);
- romvec = (struct linux_romvec *)SUN3X_PROM_BASE;
-
- idprom_init();
-
- if (!((idprom->id_machtype & SM_ARCH_MASK) == SM_SUN3X)) {
- printk("Warning: machine reports strange type %02x\n",
- idprom->id_machtype);
- printk("Pretending it's a 3/80, but very afraid...\n");
- idprom->id_machtype = SM_SUN3X | SM_3_80;
- }
-
- /* point trap #14 at abort.
- * XXX this is futile since we restore the vbr first - oops
- */
- vectors[VEC_TRAP14] = sun3x_prom_abort;
-}
-
-static int __init sun3x_debug_setup(char *arg)
-{
- /* If debug=prom was specified, start the debug console */
- if (MACH_IS_SUN3X && !strcmp(arg, "prom"))
- register_console(&sun3x_debug);
- return 0;
-}
-
-early_param("debug", sun3x_debug_setup);
-
-/* some prom functions to export */
-int prom_getintdefault(int node, char *property, int deflt)
-{
- return deflt;
-}
-
-int prom_getbool (int node, char *prop)
-{
- return 1;
-}
-
-void prom_printf(char *fmt, ...)
-{
-}
-
-void prom_halt (void)
-{
- sun3x_halt();
-}
-
-/* Get the idprom and stuff it into buffer 'idbuf'. Returns the
- * format type. 'num_bytes' is the number of bytes that your idbuf
- * has space for. Returns 0xff on error.
- */
-unsigned char
-prom_get_idprom(char *idbuf, int num_bytes)
-{
- int i;
-
- /* make a copy of the idprom structure */
- for (i = 0; i < num_bytes; i++)
- idbuf[i] = ((char *)SUN3X_IDPROM)[i];
-
- return idbuf[0];
-}