diff options
Diffstat (limited to 'arch/arm/mach-omap2/cm4xxx.c')
-rw-r--r-- | arch/arm/mach-omap2/cm4xxx.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/arch/arm/mach-omap2/cm4xxx.c b/arch/arm/mach-omap2/cm4xxx.c deleted file mode 100644 index f8a660a1a4a..00000000000 --- a/arch/arm/mach-omap2/cm4xxx.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * OMAP4 CM module functions - * - * Copyright (C) 2009 Nokia Corporation - * Paul Walmsley - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/delay.h> -#include <linux/spinlock.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/io.h> - -#include <asm/atomic.h> - -#include <plat/common.h> - -#include "cm.h" -#include "cm-regbits-44xx.h" - -/** - * omap4_cm_wait_module_ready - wait for a module to be in 'func' state - * @clkctrl_reg: CLKCTRL module address - * - * Wait for the module IDLEST to be functional. If the idle state is in any - * the non functional state (trans, idle or disabled), module and thus the - * sysconfig cannot be accessed and will probably lead to an "imprecise - * external abort" - * - * Module idle state: - * 0x0 func: Module is fully functional, including OCP - * 0x1 trans: Module is performing transition: wakeup, or sleep, or sleep - * abortion - * 0x2 idle: Module is in Idle mode (only OCP part). It is functional if - * using separate functional clock - * 0x3 disabled: Module is disabled and cannot be accessed - * - */ -int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg) -{ - int i = 0; - - if (!clkctrl_reg) - return 0; - - omap_test_timeout(( - ((__raw_readl(clkctrl_reg) & OMAP4430_IDLEST_MASK) == 0) || - (((__raw_readl(clkctrl_reg) & OMAP4430_IDLEST_MASK) >> - OMAP4430_IDLEST_SHIFT) == 0x2)), - MAX_MODULE_READY_TIME, i); - - return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY; -} - |