fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / mips / momentum / ocelot_c / prom.c

diff --git a/arch/mips/momentum/ocelot_c/prom.c b/arch/mips/momentum/ocelot_c/prom.c
index cf6c180..d0b77e1 100644 (file)
--- a/arch/mips/momentum/ocelot_c/prom.c
+++ b/arch/mips/momentum/ocelot_c/prom.c
@@ -14,37 +14,22 @@
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
  */
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/bootmem.h>
+#include <linux/mv643xx.h>
 
 #include <asm/addrspace.h>
 #include <asm/bootinfo.h>
-#include <asm/mv64340.h>
+#include <asm/pmon.h>
 
 #include "ocelot_c_fpga.h"
 
-struct callvectors {
-       int     (*open) (char*, int, int);
-       int     (*close) (int);
-       int     (*read) (int, void*, int);
-       int     (*write) (int, void*, int);
-       off_t   (*lseek) (int, off_t, int);
-       int     (*printf) (const char*, ...);
-       void    (*cacheflush) (void);
-       char*   (*gets) (char*);
-};
-
 struct callvectors* debug_vectors;
 
-extern unsigned long mv64340_base;
-extern unsigned long cpu_clock;
-
-#ifdef CONFIG_MV64340_ETH
-extern unsigned char prom_mac_addr_base[6];
-#endif
+extern unsigned long marvell_base;
+extern unsigned int cpu_clock;
 
 const char *get_system_type(void)
 {
@@ -55,56 +40,7 @@ const char *get_system_type(void)
 #endif
 }
 
-#ifdef CONFIG_MV64340_ETH
-static void burn_clocks(void)
-{
-       int i;
-
-       /* this loop should burn at least 1us -- this should be plenty */
-       for (i = 0; i < 0x10000; i++)
-               ;
-}
-
-static u8 exchange_bit(u8 val, u8 cs)
-{
-       /* place the data */
-       OCELOT_FPGA_WRITE((val << 2) | cs, EEPROM_MODE);
-       burn_clocks();
-
-       /* turn the clock on */
-       OCELOT_FPGA_WRITE((val << 2) | cs | 0x2, EEPROM_MODE);
-       burn_clocks();
-
-       /* turn the clock off and read-strobe */
-       OCELOT_FPGA_WRITE((val << 2) | cs | 0x10, EEPROM_MODE);
-       
-       /* return the data */
-       return ((OCELOT_FPGA_READ(EEPROM_MODE) >> 3) & 0x1);
-}
-
-void get_mac(char dest[6])
-{
-       u8 read_opcode[12] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-       int i,j;
-
-       for (i = 0; i < 12; i++)
-               exchange_bit(read_opcode[i], 1);
-
-       for (j = 0; j < 6; j++) {
-               dest[j] = 0;
-               for (i = 0; i < 8; i++) {
-                       dest[j] <<= 1;
-                       dest[j] |= exchange_bit(0, 1);
-               }
-       }
-
-       /* turn off CS */
-       exchange_bit(0,0);
-}
-#endif
-
-
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 
 unsigned long signext(unsigned long addr)
 {
@@ -154,17 +90,18 @@ char *arg64(unsigned long addrin, int arg_index)
   p = (char *)get_arg(args, arg_index);
   return p;
 }
-#endif  /* CONFIG_MIPS64 */
+#endif  /* CONFIG_64BIT */
 
 
-/* [jsun@junsun.net] PMON passes arguments in C main() style */
 void __init prom_init(void)
 {
        int argc = fw_arg0;
        char **arg = (char **) fw_arg1;
        char **env = (char **) fw_arg2;
+       struct callvectors *cv = (struct callvectors *) fw_arg3;
        int i;
-#ifdef CONFIG_MIPS64
+
+#ifdef CONFIG_64BIT
        char *ptr;
 
        printk("prom_init - MIPS64\n");
@@ -189,13 +126,13 @@ void __init prom_init(void)
                        break;
 
                if (strncmp("gtbase", ptr, strlen("gtbase")) == 0) {
-                       mv64340_base = simple_strtol(ptr + strlen("gtbase="),
+                       marvell_base = simple_strtol(ptr + strlen("gtbase="),
                                                        NULL, 16);
 
-                       if ((mv64340_base & 0xffffffff00000000) == 0)
-                               mv64340_base |= 0xffffffff00000000;
+                       if ((marvell_base & 0xffffffff00000000) == 0)
+                               marvell_base |= 0xffffffff00000000;
 
-                       printk("mv64340_base set to 0x%016lx\n", mv64340_base);
+                       printk("marvell_base set to 0x%016lx\n", marvell_base);
                }
                if (strncmp("cpuclock", ptr, strlen("cpuclock")) == 0) {
                        cpu_clock = simple_strtol(ptr + strlen("cpuclock="),
@@ -206,7 +143,7 @@ void __init prom_init(void)
        }
        printk("arcs_cmdline: %s\n", arcs_cmdline);
 
-#else   /* CONFIG_MIPS64 */
+#else   /* CONFIG_64BIT */
        /* save the PROM vectors for debugging use */
        debug_vectors = cv;
 
@@ -222,7 +159,7 @@ void __init prom_init(void)
 
        while (*env) {
                if (strncmp("gtbase", *env, strlen("gtbase")) == 0) {
-                       mv64340_base = simple_strtol(*env + strlen("gtbase="),
+                       marvell_base = simple_strtol(*env + strlen("gtbase="),
                                                        NULL, 16);
                }
                if (strncmp("cpuclock", *env, strlen("cpuclock")) == 0) {
@@ -231,17 +168,12 @@ void __init prom_init(void)
                }
                env++;
        }
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
 
        mips_machgroup = MACH_GROUP_MOMENCO;
        mips_machtype = MACH_MOMENCO_OCELOT_C;
 
-#ifdef CONFIG_MV64340_ETH
-       /* get the base MAC address for on-board ethernet ports */
-       get_mac(prom_mac_addr_base);
-#endif
-
-#ifndef CONFIG_MIPS64
+#ifndef CONFIG_64BIT
        debug_vectors->printf("Booting Linux kernel...\n");
 #endif
 }