diff options
Diffstat (limited to 'cpu/arm920t/s3c24x0/usb.c')
| -rw-r--r-- | cpu/arm920t/s3c24x0/usb.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/cpu/arm920t/s3c24x0/usb.c b/cpu/arm920t/s3c24x0/usb.c index 9ccf575..b5ba8c4 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) */ |