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Diffstat (limited to 'cpu/arm920t/s3c24x0/usb.c')
-rw-r--r--cpu/arm920t/s3c24x0/usb.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/cpu/arm920t/s3c24x0/usb.c b/cpu/arm920t/s3c24x0/usb.c
index 9ccf575964..b5ba8c4f3a 100644
--- a/cpu/arm920t/s3c24x0/usb.c
+++ b/cpu/arm920t/s3c24x0/usb.c
@@ -32,41 +32,43 @@
# include <s3c2410.h>
#endif
-int usb_cpu_init (void)
-{
+#include <asm/io.h>
- S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
- S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+int usb_cpu_init(void)
+{
+ struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
+ struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();
/*
* Set the 48 MHz UPLL clocking. Values are taken from
* "PLL value selection guide", 6-23, s3c2400_UM.pdf.
*/
- clk_power->UPLLCON = ((40 << 12) + (1 << 4) + 2);
- gpio->MISCCR |= 0x8; /* 1 = use pads related USB for USB host */
+ writel((40 << 12) + (1 << 4) + 2, &clk_power->UPLLCON);
+ /* 1 = use pads related USB for USB host */
+ writel(readl(&gpio->MISCCR) | 0x8, &gpio->MISCCR);
/*
* Enable USB host clock.
*/
- clk_power->CLKCON |= (1 << 4);
+ writel(readl(&clk_power->CLKCON) | (1 << 4), &clk_power->CLKCON);
return 0;
}
-int usb_cpu_stop (void)
+int usb_cpu_stop(void)
{
- S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+ struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
/* may not want to do this */
- clk_power->CLKCON &= ~(1 << 4);
+ writel(readl(&clk_power->CLKCON) & ~(1 << 4), &clk_power->CLKCON);
return 0;
}
-int usb_cpu_init_fail (void)
+int usb_cpu_init_fail(void)
{
- S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
- clk_power->CLKCON &= ~(1 << 4);
+ struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
+ writel(readl(&clk_power->CLKCON) & ~(1 << 4), &clk_power->CLKCON);
return 0;
}
-# endif /* defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) */
+# endif /* defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) */
#endif /* defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */