#include <asm/arch/regs-gpio.h>
#include "cpu.h"
+#include "clock.h"
#include "s3c2410.h"
#include "s3c2440.h"
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;
};
static struct cpu_table cpu_ids[] __initdata = {
{
- .idcode = 0x32410000,
- .idmask = 0xffffffff,
- .map_io = s3c2410_map_io,
- .init = s3c2410_init,
- .name = name_s3c2410
+ .idcode = 0x32410000,
+ .idmask = 0xffffffff,
+ .map_io = s3c2410_map_io,
+ .init_clocks = s3c2410_init_clocks,
+ .init_uarts = s3c2410_init_uarts,
+ .init = s3c2410_init,
+ .name = name_s3c2410
},
{
- .idcode = 0x3241002,
- .idmask = 0xffffffff,
- .map_io = s3c2410_map_io,
- .init = s3c2410_init,
- .name = name_s3c2410a
+ .idcode = 0x32410002,
+ .idmask = 0xffffffff,
+ .map_io = s3c2410_map_io,
+ .init_clocks = s3c2410_init_clocks,
+ .init_uarts = s3c2410_init_uarts,
+ .init = s3c2410_init,
+ .name = name_s3c2410a
},
{
- .idcode = 0x32440000,
- .idmask = 0xffffffff,
- .map_io = s3c2440_map_io,
- .init = s3c2440_init,
- .name = name_s3c2440
+ .idcode = 0x32440000,
+ .idmask = 0xffffffff,
+ .map_io = s3c2440_map_io,
+ .init_clocks = s3c2440_init_clocks,
+ .init_uarts = s3c2440_init_uarts,
+ .init = s3c2440_init,
+ .name = name_s3c2440
},
{
- .idcode = 0x32440001,
- .idmask = 0xffffffff,
- .map_io = s3c2440_map_io,
- .init = s3c2440_init,
- .name = name_s3c2440a
+ .idcode = 0x32440001,
+ .idmask = 0xffffffff,
+ .map_io = s3c2440_map_io,
+ .init_clocks = s3c2440_init_clocks,
+ .init_uarts = s3c2440_init_uarts,
+ .init = s3c2440_init,
+ .name = name_s3c2440a
}
};
int count;
tab = cpu_ids;
- for (count = 0; count < ARRAY_SIZE(cpu_ids); count++) {
+ for (count = 0; count < ARRAY_SIZE(cpu_ids); count++, tab++) {
if ((idcode & tab->idmask) == tab->idcode)
return tab;
}
return NULL;
}
+/* board information */
+
+static struct s3c24xx_board *board;
+
+void s3c24xx_set_board(struct s3c24xx_board *b)
+{
+ int i;
+
+ board = b;
+
+ if (b->clocks_count != 0) {
+ struct clk **ptr = b->clocks;;
+
+ for (i = b->clocks_count; i > 0; i--, ptr++)
+ s3c24xx_register_clock(*ptr);
+ }
+}
+
+/* cpu information */
+
static struct cpu_table *cpu;
void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
(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)
+ s3c24xx_xtal = xtal;
+
+ 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);
+}
+
+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");
- return (cpu->init)();
+ ret = (cpu->init)();
+ if (ret != 0)
+ return ret;
+
+ if (board != NULL) {
+ struct platform_device **ptr = board->devices;
+ int i;
+
+ for (i = 0; i < board->devices_count; i++, ptr++) {
+ ret = platform_device_register(*ptr);
+
+ if (ret) {
+ printk(KERN_ERR "s3c24xx: failed to add board device %s (%d) @%p\n", (*ptr)->name, ret, *ptr);
+ }
+ }
+
+ /* mask any error, we may not need all these board
+ * devices */
+ ret = 0;
+ }
+
+ return ret;
}
arch_initcall(s3c_arch_init);