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Diffstat (limited to 'arch/arm/plat-s3c24xx/s3c244x.c')
-rw-r--r--arch/arm/plat-s3c24xx/s3c244x.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
index c0344fac4a94..c1de6bb0101b 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -29,6 +29,8 @@
#include <mach/hardware.h>
#include <asm/irq.h>
+#include <plat/cpu-freq.h>
+
#include <mach/regs-clock.h>
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
@@ -42,6 +44,7 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pm.h>
+#include <plat/pll.h>
static struct map_desc s3c244x_iodesc[] __initdata = {
IODESC_ENT(CLKPWR),
@@ -56,32 +59,34 @@ void __init s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no)
s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
}
-void __init s3c244x_map_io(struct map_desc *mach_desc, int size)
+void __init s3c244x_map_io(void)
{
/* register our io-tables */
iotable_init(s3c244x_iodesc, ARRAY_SIZE(s3c244x_iodesc));
- iotable_init(mach_desc, size);
/* rename any peripherals used differing from the s3c2410 */
s3c_device_sdi.name = "s3c2440-sdi";
- s3c_device_i2c.name = "s3c2440-i2c";
+ s3c_device_i2c0.name = "s3c2440-i2c";
s3c_device_nand.name = "s3c2440-nand";
s3c_device_usbgadget.name = "s3c2440-usbgadget";
}
-void __init s3c244x_init_clocks(int xtal)
+void __init_or_cpufreq s3c244x_setup_clocks(void)
{
+ struct clk *xtal_clk;
unsigned long clkdiv;
unsigned long camdiv;
+ unsigned long xtal;
unsigned long hclk, fclk, pclk;
int hdiv = 1;
- /* now we've got our machine bits initialised, work out what
- * clocks we've got */
+ xtal_clk = clk_get(NULL, "xtal");
+ xtal = clk_get_rate(xtal_clk);
+ clk_put(xtal_clk);
- fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal) * 2;
+ fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal) * 2;
clkdiv = __raw_readl(S3C2410_CLKDIVN);
camdiv = __raw_readl(S3C2440_CAMDIVN);
@@ -107,18 +112,24 @@ void __init s3c244x_init_clocks(int xtal)
}
hclk = fclk / hdiv;
- pclk = hclk / ((clkdiv & S3C2440_CLKDIVN_PDIVN)? 2:1);
+ pclk = hclk / ((clkdiv & S3C2440_CLKDIVN_PDIVN) ? 2 : 1);
/* print brief summary of clocks, etc */
printk("S3C244X: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n",
print_mhz(fclk), print_mhz(hclk), print_mhz(pclk));
+ s3c24xx_setup_clocks(fclk, hclk, pclk);
+}
+
+void __init s3c244x_init_clocks(int xtal)
+{
/* initialise the clocks here, to allow other things like the
* console to use them, and to add new ones after the initialisation
*/
- s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+ s3c24xx_register_baseclocks(xtal);
+ s3c244x_setup_clocks();
s3c2410_baseclk_add();
}