1 files changed, 220 insertions, 94 deletions

diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c
index 39fc6af21b7..6cb1581d6ae 100644
--- a/arch/sparc/prom/misc_64.c
+++ b/arch/sparc/prom/misc_64.c
@@ -20,10 +20,17 @@
 
 int prom_service_exists(const char *service_name)
 {
-        int err = p1275_cmd("test", P1275_ARG(0, P1275_ARG_IN_STRING) |
-                            P1275_INOUT(1, 1), service_name);
+        unsigned long args[5];
 
-        if (err)
+        args[0] = (unsigned long) "test";
+        args[1] = 1;
+        args[2] = 1;
+        args[3] = (unsigned long) service_name;
+        args[4] = (unsigned long) -1;
+
+        p1275_cmd_direct(args);
+
+        if (args[4])
                 return 0;
         return 1;
 }
@@ -31,30 +38,47 @@ int prom_service_exists(const char *service_name)
 void prom_sun4v_guest_soft_state(void)
 {
         const char *svc = "SUNW,soft-state-supported";
+        unsigned long args[3];
 
         if (!prom_service_exists(svc))
                 return;
-        p1275_cmd(svc, P1275_INOUT(0, 0));
+        args[0] = (unsigned long) svc;
+        args[1] = 0;
+        args[2] = 0;
+        p1275_cmd_direct(args);
 }
 
 /* Reset and reboot the machine with the command 'bcommand'. */
 void prom_reboot(const char *bcommand)
 {
+        unsigned long args[4];
+
 #ifdef CONFIG_SUN_LDOMS
         if (ldom_domaining_enabled)
                 ldom_reboot(bcommand);
 #endif
-        p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) |
-                  P1275_INOUT(1, 0), bcommand);
+        args[0] = (unsigned long) "boot";
+        args[1] = 1;
+        args[2] = 0;
+        args[3] = (unsigned long) bcommand;
+
+        p1275_cmd_direct(args);
 }
 
 /* Forth evaluate the expression contained in 'fstring'. */
 void prom_feval(const char *fstring)
 {
+        unsigned long args[5];
+
         if (!fstring || fstring[0] == 0)
                 return;
-        p1275_cmd("interpret", P1275_ARG(0, P1275_ARG_IN_STRING) |
-                  P1275_INOUT(1, 1), fstring);
+        args[0] = (unsigned long) "interpret";
+        args[1] = 1;
+        args[2] = 1;
+        args[3] = (unsigned long) fstring;
+        args[4] = (unsigned long) -1;
+
+        p1275_cmd_direct(args);
 }
 EXPORT_SYMBOL(prom_feval);
 
@@ -68,6 +92,7 @@ extern void smp_release(void);
  */
 void prom_cmdline(void)
 {
+        unsigned long args[3];
         unsigned long flags;
 
         local_irq_save(flags);
@@ -76,7 +101,11 @@ void prom_cmdline(void)
         smp_capture();
 #endif
 
-        p1275_cmd("enter", P1275_INOUT(0, 0));
+        args[0] = (unsigned long) "enter";
+        args[1] = 0;
+        args[2] = 0;
+
+        p1275_cmd_direct(args);
 
 #ifdef CONFIG_SMP
         smp_release();
@@ -90,22 +119,32 @@ void prom_cmdline(void)
  */
 void notrace prom_halt(void)
 {
+        unsigned long args[3];
+
 #ifdef CONFIG_SUN_LDOMS
         if (ldom_domaining_enabled)
                 ldom_power_off();
 #endif
 again:
-        p1275_cmd("exit", P1275_INOUT(0, 0));
+        args[0] = (unsigned long) "exit";
+        args[1] = 0;
+        args[2] = 0;
+        p1275_cmd_direct(args);
         goto again; /* PROM is out to get me -DaveM */
 }
 
 void prom_halt_power_off(void)
 {
+        unsigned long args[3];
+
 #ifdef CONFIG_SUN_LDOMS
         if (ldom_domaining_enabled)
                 ldom_power_off();
 #endif
-        p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0));
+        args[0] = (unsigned long) "SUNW,power-off";
+        args[1] = 0;
+        args[2] = 0;
+        p1275_cmd_direct(args);
 
         /* if nothing else helps, we just halt */
         prom_halt();
@@ -114,10 +153,15 @@ void prom_halt_power_off(void)
 /* Set prom sync handler to call function 'funcp'. */
 void prom_setcallback(callback_func_t funcp)
 {
+        unsigned long args[5];
         if (!funcp)
                 return;
-        p1275_cmd("set-callback", P1275_ARG(0, P1275_ARG_IN_FUNCTION) |
-                  P1275_INOUT(1, 1), funcp);
+        args[0] = (unsigned long) "set-callback";
+        args[1] = 1;
+        args[2] = 1;
+        args[3] = (unsigned long) funcp;
+        args[4] = (unsigned long) -1;
+        p1275_cmd_direct(args);
 }
 
 /* Get the idprom and stuff it into buffer 'idbuf'.  Returns the
@@ -173,57 +217,61 @@ static int prom_get_memory_ihandle(void)
 }
 
 /* Load explicit I/D TLB entries. */
+static long tlb_load(const char *type, unsigned long index,
+                     unsigned long tte_data, unsigned long vaddr)
+{
+        unsigned long args[9];
+
+        args[0] = (unsigned long) prom_callmethod_name;
+        args[1] = 5;
+        args[2] = 1;
+        args[3] = (unsigned long) type;
+        args[4] = (unsigned int) prom_get_mmu_ihandle();
+        args[5] = vaddr;
+        args[6] = tte_data;
+        args[7] = index;
+        args[8] = (unsigned long) -1;
+
+        p1275_cmd_direct(args);
+
+        return (long) args[8];
+}
+
 long prom_itlb_load(unsigned long index,
                     unsigned long tte_data,
                     unsigned long vaddr)
 {
-        return p1275_cmd(prom_callmethod_name,
-                         (P1275_ARG(0, P1275_ARG_IN_STRING) |
-                          P1275_ARG(2, P1275_ARG_IN_64B) |
-                          P1275_ARG(3, P1275_ARG_IN_64B) |
-                          P1275_INOUT(5, 1)),
-                         "SUNW,itlb-load",
-                         prom_get_mmu_ihandle(),
-                         /* And then our actual args are pushed backwards. */
-                         vaddr,
-                         tte_data,
-                         index);
+        return tlb_load("SUNW,itlb-load", index, tte_data, vaddr);
 }
 
 long prom_dtlb_load(unsigned long index,
                     unsigned long tte_data,
                     unsigned long vaddr)
 {
-        return p1275_cmd(prom_callmethod_name,
-                         (P1275_ARG(0, P1275_ARG_IN_STRING) |
-                          P1275_ARG(2, P1275_ARG_IN_64B) |
-                          P1275_ARG(3, P1275_ARG_IN_64B) |
-                          P1275_INOUT(5, 1)),
-                         "SUNW,dtlb-load",
-                         prom_get_mmu_ihandle(),
-                         /* And then our actual args are pushed backwards. */
-                         vaddr,
-                         tte_data,
-                         index);
+        return tlb_load("SUNW,dtlb-load", index, tte_data, vaddr);
 }
 
 int prom_map(int mode, unsigned long size,
              unsigned long vaddr, unsigned long paddr)
 {
-        int ret = p1275_cmd(prom_callmethod_name,
-                            (P1275_ARG(0, P1275_ARG_IN_STRING) |
-                             P1275_ARG(3, P1275_ARG_IN_64B) |
-                             P1275_ARG(4, P1275_ARG_IN_64B) |
-                             P1275_ARG(6, P1275_ARG_IN_64B) |
-                             P1275_INOUT(7, 1)),
-                            prom_map_name,
-                            prom_get_mmu_ihandle(),
-                            mode,
-                            size,
-                            vaddr,
-                            0,
-                            paddr);
-
+        unsigned long args[11];
+        int ret;
+
+        args[0] = (unsigned long) prom_callmethod_name;
+        args[1] = 7;
+        args[2] = 1;
+        args[3] = (unsigned long) prom_map_name;
+        args[4] = (unsigned int) prom_get_mmu_ihandle();
+        args[5] = (unsigned int) mode;
+        args[6] = size;
+        args[7] = vaddr;
+        args[8] = 0;
+        args[9] = paddr;
+        args[10] = (unsigned long) -1;
+
+        p1275_cmd_direct(args);
+
+        ret = (int) args[10];
         if (ret == 0)
                 ret = -1;
         return ret;
@@ -231,40 +279,51 @@ int prom_map(int mode, unsigned long size,
 
 void prom_unmap(unsigned long size, unsigned long vaddr)
 {
-        p1275_cmd(prom_callmethod_name,
-                  (P1275_ARG(0, P1275_ARG_IN_STRING) |
-                   P1275_ARG(2, P1275_ARG_IN_64B) |
-                   P1275_ARG(3, P1275_ARG_IN_64B) |
-                   P1275_INOUT(4, 0)),
-                  prom_unmap_name,
-                  prom_get_mmu_ihandle(),
-                  size,
-                  vaddr);
+        unsigned long args[7];
+
+        args[0] = (unsigned long) prom_callmethod_name;
+        args[1] = 4;
+        args[2] = 0;
+        args[3] = (unsigned long) prom_unmap_name;
+        args[4] = (unsigned int) prom_get_mmu_ihandle();
+        args[5] = size;
+        args[6] = vaddr;
+
+        p1275_cmd_direct(args);
 }
 
 /* Set aside physical memory which is not touched or modified
  * across soft resets.
  */
-unsigned long prom_retain(const char *name,
-                          unsigned long pa_low, unsigned long pa_high,
-                          long size, long align)
+int prom_retain(const char *name, unsigned long size,
+                unsigned long align, unsigned long *paddr)
 {
-        /* XXX I don't think we return multiple values correctly.
-         * XXX OBP supposedly returns pa_low/pa_high here, how does
-         * XXX it work?
+        unsigned long args[11];
+
+        args[0] = (unsigned long) prom_callmethod_name;
+        args[1] = 5;
+        args[2] = 3;
+        args[3] = (unsigned long) "SUNW,retain";
+        args[4] = (unsigned int) prom_get_memory_ihandle();
+        args[5] = align;
+        args[6] = size;
+        args[7] = (unsigned long) name;
+        args[8] = (unsigned long) -1;
+        args[9] = (unsigned long) -1;
+        args[10] = (unsigned long) -1;
+
+        p1275_cmd_direct(args);
+
+        if (args[8])
+                return (int) args[8];
+
+        /* Next we get "phys_high" then "phys_low".  On 64-bit
+         * the phys_high cell is don't care since the phys_low
+         * cell has the full value.
          */
+        *paddr = args[10];
 
-        /* If align is zero, the pa_low/pa_high args are passed,
-         * else they are not.
-         */
-        if (align == 0)
-                return p1275_cmd("SUNW,retain",
-                                 (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(5, 2)),
-                                 name, pa_low, pa_high, size, align);
-        else
-                return p1275_cmd("SUNW,retain",
-                                 (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(3, 2)),
-                                 name, size, align);
+        return 0;
 }
 
 /* Get "Unumber" string for the SIMM at the given
@@ -277,62 +336,129 @@ int prom_getunumber(int syndrome_code,
                     unsigned long phys_addr,
                     char *buf, int buflen)
 {
-        return p1275_cmd(prom_callmethod_name,
-                         (P1275_ARG(0, P1275_ARG_IN_STRING)     |
-                          P1275_ARG(3, P1275_ARG_OUT_BUF)       |
-                          P1275_ARG(6, P1275_ARG_IN_64B)        |
-                          P1275_INOUT(8, 2)),
-                         "SUNW,get-unumber", prom_get_memory_ihandle(),
-                         buflen, buf, P1275_SIZE(buflen),
-                         0, phys_addr, syndrome_code);
+        unsigned long args[12];
+
+        args[0] = (unsigned long) prom_callmethod_name;
+        args[1] = 7;
+        args[2] = 2;
+        args[3] = (unsigned long) "SUNW,get-unumber";
+        args[4] = (unsigned int) prom_get_memory_ihandle();
+        args[5] = buflen;
+        args[6] = (unsigned long) buf;
+        args[7] = 0;
+        args[8] = phys_addr;
+        args[9] = (unsigned int) syndrome_code;
+        args[10] = (unsigned long) -1;
+        args[11] = (unsigned long) -1;
+
+        p1275_cmd_direct(args);
+
+        return (int) args[10];
 }
 
 /* Power management extensions. */
 void prom_sleepself(void)
 {
-        p1275_cmd("SUNW,sleep-self", P1275_INOUT(0, 0));
+        unsigned long args[3];
+
+        args[0] = (unsigned long) "SUNW,sleep-self";
+        args[1] = 0;
+        args[2] = 0;
+        p1275_cmd_direct(args);
 }
 
 int prom_sleepsystem(void)
 {
-        return p1275_cmd("SUNW,sleep-system", P1275_INOUT(0, 1));
+        unsigned long args[4];
+
+        args[0] = (unsigned long) "SUNW,sleep-system";
+        args[1] = 0;
+        args[2] = 1;
+        args[3] = (unsigned long) -1;
+        p1275_cmd_direct(args);
+
+        return (int) args[3];
 }
 
 int prom_wakeupsystem(void)
 {
-        return p1275_cmd("SUNW,wakeup-system", P1275_INOUT(0, 1));
+        unsigned long args[4];
+
+        args[0] = (unsigned long) "SUNW,wakeup-system";
+        args[1] = 0;
+        args[2] = 1;
+        args[3] = (unsigned long) -1;
+        p1275_cmd_direct(args);
+
+        return (int) args[3];
 }
 
 #ifdef CONFIG_SMP
 void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg)
 {
-        p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, arg);
+        unsigned long args[6];
+
+        args[0] = (unsigned long) "SUNW,start-cpu";
+        args[1] = 3;
+        args[2] = 0;
+        args[3] = (unsigned int) cpunode;
+        args[4] = pc;
+        args[5] = arg;
+        p1275_cmd_direct(args);
 }
 
 void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg)
 {
-        p1275_cmd("SUNW,start-cpu-by-cpuid", P1275_INOUT(3, 0),
-                  cpuid, pc, arg);
+        unsigned long args[6];
+
+        args[0] = (unsigned long) "SUNW,start-cpu-by-cpuid";
+        args[1] = 3;
+        args[2] = 0;
+        args[3] = (unsigned int) cpuid;
+        args[4] = pc;
+        args[5] = arg;
+        p1275_cmd_direct(args);
 }
 
 void prom_stopcpu_cpuid(int cpuid)
 {
-        p1275_cmd("SUNW,stop-cpu-by-cpuid", P1275_INOUT(1, 0),
-                  cpuid);
+        unsigned long args[4];
+
+        args[0] = (unsigned long) "SUNW,stop-cpu-by-cpuid";
+        args[1] = 1;
+        args[2] = 0;
+        args[3] = (unsigned int) cpuid;
+        p1275_cmd_direct(args);
 }
 
 void prom_stopself(void)
 {
-        p1275_cmd("SUNW,stop-self", P1275_INOUT(0, 0));
+        unsigned long args[3];
+
+        args[0] = (unsigned long) "SUNW,stop-self";
+        args[1] = 0;
+        args[2] = 0;
+        p1275_cmd_direct(args);
 }
 
 void prom_idleself(void)
 {
-        p1275_cmd("SUNW,idle-self", P1275_INOUT(0, 0));
+        unsigned long args[3];
+
+        args[0] = (unsigned long) "SUNW,idle-self";
+        args[1] = 0;
+        args[2] = 0;
+        p1275_cmd_direct(args);
 }
 
 void prom_resumecpu(int cpunode)
 {
-        p1275_cmd("SUNW,resume-cpu", P1275_INOUT(1, 0), cpunode);
+        unsigned long args[4];
+
+        args[0] = (unsigned long) "SUNW,resume-cpu";
+        args[1] = 1;
+        args[2] = 0;
+        args[3] = (unsigned int) cpunode;
+        p1275_cmd_direct(args);
 }
 #endif