diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/sun3x/prom.c')
-rw-r--r-- | ANDROID_3.4.5/arch/m68k/sun3x/prom.c | 166 |
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]; -} |