[PATCH] powerpc: fix various sparse warnings

[powerpc.git] / arch / powerpc / kernel / setup_32.c

diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index e569433..676f894 100644 (file)
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -39,6 +39,8 @@
 #include <asm/nvram.h>
 #include <asm/xmon.h>
 #include <asm/time.h>
+#include <asm/serial.h>
+#include <asm/udbg.h>
 
 #include "setup.h"
 
@@ -109,7 +111,7 @@ unsigned long __init early_init(unsigned long dt_ptr)
 
        /* First zero the BSS -- use memset_io, some platforms don't have
         * caches on yet */
-       memset_io(PTRRELOC(&__bss_start), 0, _end - __bss_start);
+       memset_io((void __iomem *)PTRRELOC(&__bss_start), 0, _end - __bss_start);
 
        /*
         * Identify the CPU type and fix up code sections
@@ -172,12 +174,23 @@ void __init platform_init(void)
  */
 void __init machine_init(unsigned long dt_ptr, unsigned long phys)
 {
+       /* If btext is enabled, we might have a BAT setup for early display,
+        * thus we do enable some very basic udbg output
+        */
+#ifdef CONFIG_BOOTX_TEXT
+       udbg_putc = btext_drawchar;
+#endif
+
+       /* Do some early initialization based on the flat device tree */
        early_init_devtree(__va(dt_ptr));
 
+       /* Check default command line */
 #ifdef CONFIG_CMDLINE
-       strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));
+       if (cmd_line[0] == 0)
+               strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));
 #endif /* CONFIG_CMDLINE */
 
+       /* Base init based on machine type */
        platform_init();
 
 #ifdef CONFIG_6xx
@@ -259,9 +272,8 @@ int __init ppc_init(void)
        if ( ppc_md.progress ) ppc_md.progress("             ", 0xffff);
 
        /* register CPU devices */
-       for (i = 0; i < NR_CPUS; i++)
-               if (cpu_possible(i))
-                       register_cpu(&cpu_devices[i], i, NULL);
+       for_each_cpu(i)
+               register_cpu(&cpu_devices[i], i, NULL);
 
        /* call platform init */
        if (ppc_md.init != NULL) {
@@ -282,25 +294,20 @@ void __init setup_arch(char **cmdline_p)
 
        unflatten_device_tree();
        check_for_initrd();
-       finish_device_tree();
 
-       smp_setup_cpu_maps();
+       if (ppc_md.init_early)
+               ppc_md.init_early();
 
-#ifdef CONFIG_BOOTX_TEXT
-       init_boot_display();
-#endif
+       find_legacy_serial_ports();
+       finish_device_tree();
 
-#ifdef CONFIG_PPC_PMAC
-       /* This could be called "early setup arch", it must be done
-        * now because xmon need it
-        */
-       if (_machine == _MACH_Pmac)
-               pmac_feature_init();    /* New cool way */
-#endif
+       smp_setup_cpu_maps();
 
 #ifdef CONFIG_XMON_DEFAULT
        xmon_init(1);
 #endif
+       /* Register early console */
+       register_early_udbg_console();
 
 #if defined(CONFIG_KGDB)
        if (ppc_md.kgdb_map_scc)