sh: machvec rework.

Some more machvec overhauling and setup code cleanup. Kill off
get_system_type() and platform_setup(), we can do these both
through the machvec. While we're add it, kill off more useless
mach.c's and drop some legacy cruft from setup.c.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 11 insertions, 43 deletions

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 86ef17fe48b5..de8df969d6af 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -43,27 +43,14 @@ extern void * __rd_start, * __rd_end;
  * The bigger value means no problem.
  */
 struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 10000000, };
+#ifdef CONFIG_VT
 struct screen_info screen_info;
+#endif
 
 #if defined(CONFIG_SH_UNKNOWN)
 struct sh_machine_vector sh_mv;
 #endif
 
-/* We need this to satisfy some external references. */
-struct screen_info screen_info = {
-        0, 25,                  /* orig-x, orig-y */
-        0,                      /* unused */
-        0,                      /* orig-video-page */
-        0,                      /* orig-video-mode */
-        80,                     /* orig-video-cols */
-        0,0,0,                  /* ega_ax, ega_bx, ega_cx */
-        25,                     /* orig-video-lines */
-        0,                      /* orig-video-isVGA */
-        16                      /* orig-video-points */
-};
-
-extern void platform_setup(void);
-extern char *get_system_type(void);
 extern int root_mountflags;
 
 #define MV_NAME_SIZE 32
@@ -90,29 +77,8 @@ static struct sh_machine_vector* __init get_mv_byname(const char* name);
 
 static char command_line[COMMAND_LINE_SIZE] = { 0, };
 
-struct resource standard_io_resources[] = {
-        { "dma1", 0x00, 0x1f },
-        { "pic1", 0x20, 0x3f },
-        { "timer", 0x40, 0x5f },
-        { "keyboard", 0x60, 0x6f },
-        { "dma page reg", 0x80, 0x8f },
-        { "pic2", 0xa0, 0xbf },
-        { "dma2", 0xc0, 0xdf },
-        { "fpu", 0xf0, 0xff }
-};
-
-#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource))
-
-/* System RAM - interrupted by the 640kB-1M hole */
-#define code_resource (ram_resources[3])
-#define data_resource (ram_resources[4])
-static struct resource ram_resources[] = {
-        { "System RAM", 0x000000, 0x09ffff, IORESOURCE_BUSY },
-        { "System RAM", 0x100000, 0x100000, IORESOURCE_BUSY },
-        { "Video RAM area", 0x0a0000, 0x0bffff },
-        { "Kernel code", 0x100000, 0 },
-        { "Kernel data", 0, 0 }
-};
+static struct resource code_resource = { .name = "Kernel code", };
+static struct resource data_resource = { .name = "Kernel data", };
 
 unsigned long memory_start, memory_end;
 
@@ -255,6 +221,9 @@ static int __init sh_mv_setup(char **cmdline_p)
         __set_io_port_base(mv_io_base);
 #endif
 
+        if (!sh_mv.mv_nr_irqs)
+                sh_mv.mv_nr_irqs = NR_IRQS;
+
         return 0;
 }
 
@@ -263,7 +232,6 @@ void __init setup_arch(char **cmdline_p)
         unsigned long bootmap_size;
         unsigned long start_pfn, max_pfn, max_low_pfn;
 
-
 #ifdef CONFIG_CMDLINE_BOOL
         strcpy(COMMAND_LINE, CONFIG_CMDLINE);
 #endif
@@ -382,14 +350,14 @@ void __init setup_arch(char **cmdline_p)
 #endif
 
         /* Perform the machine specific initialisation */
-        platform_setup();
+        if (likely(sh_mv.mv_setup))
+                sh_mv.mv_setup(cmdline_p);
 
         paging_init();
 }
 
 struct sh_machine_vector* __init get_mv_byname(const char* name)
 {
-        extern int strcasecmp(const char *, const char *);
         extern long __machvec_start, __machvec_end;
         struct sh_machine_vector *all_vecs =
                 (struct sh_machine_vector *)&__machvec_start;
@@ -467,7 +435,8 @@ static void show_cpuflags(struct seq_file *m)
         seq_printf(m, "\n");
 }
 
-static void show_cacheinfo(struct seq_file *m, const char *type, struct cache_info info)
+static void show_cacheinfo(struct seq_file *m, const char *type,
+                           struct cache_info info)
 {
         unsigned int cache_size;
 
@@ -624,4 +593,3 @@ static int __init kgdb_parse_options(char *options)
 }
 __setup("kgdb=", kgdb_parse_options);
 #endif /* CONFIG_SH_KGDB */
-