Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

[sfrench/cifs-2.6.git] / arch / arm / plat-s3c24xx / cpu.c

diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 22a329513c0f3ff0149791066ae4d6a5c64515c1..542062f8cbc1da51ba9a3678cd12d79de65be269 100644 (file)
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -30,7 +30,6 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/io.h>
-#include <linux/delay.h>
 
 #include <mach/hardware.h>
 #include <asm/irq.h>
@@ -55,16 +54,6 @@
 #include <plat/s3c2442.h>
 #include <plat/s3c2443.h>
 
-struct cpu_table {
-       unsigned long   idcode;
-       unsigned long   idmask;
-       void            (*map_io)(struct map_desc *mach_desc, int size);
-       void            (*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
-       void            (*init_clocks)(int xtal);
-       int             (*init)(void);
-       const char      *name;
-};
-
 /* table of supported CPUs */
 
 static const char name_s3c2400[]  = "S3C2400";
@@ -169,23 +158,7 @@ static struct map_desc s3c_iodesc[] __initdata = {
        IODESC_ENT(UART)
 };
 
-static struct cpu_table * __init s3c_lookup_cpu(unsigned long idcode)
-{
-       struct cpu_table *tab;
-       int count;
-
-       tab = cpu_ids;
-       for (count = 0; count < ARRAY_SIZE(cpu_ids); count++, tab++) {
-               if ((idcode & tab->idmask) == tab->idcode)
-                       return tab;
-       }
-
-       return NULL;
-}
-
-/* cpu information */
-
-static struct cpu_table *cpu;
+/* read cpu identificaiton code */
 
 static unsigned long s3c24xx_read_idcode_v5(void)
 {
@@ -231,6 +204,7 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
        unsigned long idcode = 0x0;
 
        /* initialise the io descriptors we need for initialisation */
+       iotable_init(mach_desc, size);
        iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
 
        if (cpu_architecture() >= CPU_ARCH_ARMv5) {
@@ -239,117 +213,7 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
                idcode = s3c24xx_read_idcode_v4();
        }
 
-       cpu = s3c_lookup_cpu(idcode);
-
-       if (cpu == NULL) {
-               printk(KERN_ERR "Unknown CPU type 0x%08lx\n", idcode);
-               panic("Unknown S3C24XX CPU");
-       }
-
-       printk("CPU %s (id 0x%08lx)\n", cpu->name, idcode);
-
-       if (cpu->map_io == NULL || cpu->init == NULL) {
-               printk(KERN_ERR "CPU %s support not enabled\n", cpu->name);
-               panic("Unsupported S3C24XX CPU");
-       }
-
        arm_pm_restart = s3c24xx_pm_restart;
 
-       (cpu->map_io)(mach_desc, size);
-}
-
-/* s3c24xx_init_clocks
- *
- * Initialise the clock subsystem and associated information from the
- * given master crystal value.
- *
- * xtal  = 0 -> use default PLL crystal value (normally 12MHz)
- *      != 0 -> PLL crystal value in Hz
-*/
-
-void __init s3c24xx_init_clocks(int xtal)
-{
-       if (xtal == 0)
-               xtal = 12*1000*1000;
-
-       if (cpu == NULL)
-               panic("s3c24xx_init_clocks: no cpu setup?\n");
-
-       if (cpu->init_clocks == NULL)
-               panic("s3c24xx_init_clocks: cpu has no clock init\n");
-       else
-               (cpu->init_clocks)(xtal);
+       s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
 }
-
-/* uart management */
-
-static int nr_uarts __initdata = 0;
-
-static struct s3c2410_uartcfg uart_cfgs[3];
-
-/* s3c24xx_init_uartdevs
- *
- * copy the specified platform data and configuration into our central
- * set of devices, before the data is thrown away after the init process.
- *
- * This also fills in the array passed to the serial driver for the
- * early initialisation of the console.
-*/
-
-void __init s3c24xx_init_uartdevs(char *name,
-                                 struct s3c24xx_uart_resources *res,
-                                 struct s3c2410_uartcfg *cfg, int no)
-{
-       struct platform_device *platdev;
-       struct s3c2410_uartcfg *cfgptr = uart_cfgs;
-       struct s3c24xx_uart_resources *resp;
-       int uart;
-
-       memcpy(cfgptr, cfg, sizeof(struct s3c2410_uartcfg) * no);
-
-       for (uart = 0; uart < no; uart++, cfg++, cfgptr++) {
-               platdev = s3c24xx_uart_src[cfgptr->hwport];
-
-               resp = res + cfgptr->hwport;
-
-               s3c24xx_uart_devs[uart] = platdev;
-
-               platdev->name = name;
-               platdev->resource = resp->resources;
-               platdev->num_resources = resp->nr_resources;
-
-               platdev->dev.platform_data = cfgptr;
-       }
-
-       nr_uarts = no;
-}
-
-void __init s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-       if (cpu == NULL)
-               return;
-
-       if (cpu->init_uarts == NULL) {
-               printk(KERN_ERR "s3c24xx_init_uarts: cpu has no uart init\n");
-       } else
-               (cpu->init_uarts)(cfg, no);
-}
-
-static int __init s3c_arch_init(void)
-{
-       int ret;
-
-       // do the correct init for cpu
-
-       if (cpu == NULL)
-               panic("s3c_arch_init: NULL cpu\n");
-
-       ret = (cpu->init)();
-       if (ret != 0)
-               return ret;
-
-       ret = platform_add_devices(s3c24xx_uart_devs, nr_uarts);
-       return ret;
-}
-
-arch_initcall(s3c_arch_init);