commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=c808074b7b37311466d5e6b48f33807f1bfb5051 branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/trunk
Signed-off-by: Steven Miao <[email protected]> --- arch/blackfin/mach-bf561/coreb.c | 56 +++++--------------------------------- 1 files changed, 7 insertions(+), 49 deletions(-) diff --git a/arch/blackfin/mach-bf561/coreb.c b/arch/blackfin/mach-bf561/coreb.c index 78ecb50..8173711 100644 --- a/arch/blackfin/mach-bf561/coreb.c +++ b/arch/blackfin/mach-bf561/coreb.c @@ -12,65 +12,23 @@ * 0xff600000 when COREB_SRAM_INIT is cleared. */ -#include <linux/device.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/miscdevice.h> #include <linux/module.h> -#define CMD_COREB_START _IO('b', 0) -#define CMD_COREB_STOP _IO('b', 1) -#define CMD_COREB_RESET _IO('b', 2) - -static long -coreb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +void bfin_coreb_start(void) { - int ret = 0; - - switch (cmd) { - case CMD_COREB_START: - bfin_write_SYSCR(bfin_read_SYSCR() & ~0x0020); - break; - case CMD_COREB_STOP: - bfin_write_SYSCR(bfin_read_SYSCR() | 0x0020); - bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | 0x0080); - break; - case CMD_COREB_RESET: - bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | 0x0080); - break; - default: - ret = -EINVAL; - break; - } - - CSYNC(); - - return ret; + bfin_write_SYSCR(bfin_read_SYSCR() & ~0x0020); } -static const struct file_operations coreb_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = coreb_ioctl, - .llseek = noop_llseek, -}; - -static struct miscdevice coreb_dev = { - .minor = MISC_DYNAMIC_MINOR, - .name = "coreb", - .fops = &coreb_fops, -}; - -static int __init bf561_coreb_init(void) +void bfin_coreb_stop(void) { - return misc_register(&coreb_dev); + bfin_write_SYSCR(bfin_read_SYSCR() | 0x0020); + bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | 0x0080); } -module_init(bf561_coreb_init); -static void __exit bf561_coreb_exit(void) +void bfin_coreb_reset(void) { - misc_deregister(&coreb_dev); + bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | 0x0080); } -module_exit(bf561_coreb_exit); MODULE_AUTHOR("Bas Vermeulen <[email protected]>"); MODULE_DESCRIPTION("BF561 Core B Support");
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