From d67cce2dda3a40c3bd90a6c6e129fbb26dd4cfab Mon Sep 17 00:00:00 2001 From: "kevin.morfitt@fearnside-systems.co.uk" Date: Sat, 10 Oct 2009 13:30:22 +0900 Subject: Clean-up of cpu_arm920t and cpu_arm920t_s3c24x0 code This patch re-formats the code in cpu/arm920t and cpu/arm920t/23c24x0 in preparation for changes to add support for the Embest SBC2440-II Board. The changes are as follows: - re-indent the code using Lindent - make sure register layouts are defined using a C struct - replace the upper-case typedef'ed C struct names with lower case non-typedef'ed ones - make sure registers are accessed using the proper accessor functions - run checkpatch.pl and fix any error reports It assumes the following patch has been applied first: - [U-Boot][PATCH-ARM] CONFIG_SYS_HZ fix for ARM902T S3C24X0 Boards, 05/09/2009 Tested on an Embest SBC2440-II Board with local u-boot patches as I don't have any s3c2400 or s3c2410 boards but need this patch applying before I can submit patches for the SBC2440-II Board. Also, ran MAKEALL for all ARM9 targets and no new warnings or errors were found. Signed-off-by: Kevin Morfitt Signed-off-by: Minkyu Kang --- cpu/arm920t/s3c24x0/usb.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) (limited to 'cpu/arm920t/s3c24x0/usb.c') 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 #endif -int usb_cpu_init (void) -{ +#include - 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) */ -- cgit v1.1