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authorTomasz Figa <t.figa@samsung.com>2014-03-17 23:28:09 +0100
committerKukjin Kim <kgene.kim@samsung.com>2014-03-20 20:09:16 +0100
commit72551f6cf13e2f3a1d273b7007b5d7d7fd69c554 (patch)
treeebc79635f3b76e22d614297953608239b672fee4 /arch/arm/plat-samsung/pm.c
parentARM: SAMSUNG: Consolidate PM debug functions (diff)
downloadlinux-72551f6cf13e2f3a1d273b7007b5d7d7fd69c554.tar.xz
linux-72551f6cf13e2f3a1d273b7007b5d7d7fd69c554.zip
ARM: SAMSUNG: Move Samsung PM debug code into separate file
Not all Samsung SoC platforms are going to use the legacy Samsung PM code enabled by CONFIG_SAMSUNG_PM_DEBUG. To allow using Samsung PM debug helpers on such platforms, related code is moved to separate file and a plat/pm-common.h header is added to separate legacy and generic code. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to '')
-rw-r--r--arch/arm/plat-samsung/pm.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index dd70337822da..3d523c90202a 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -17,16 +17,12 @@
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/of.h>
-#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/io.h>
#include <asm/cacheflush.h>
-#include <asm/mach/map.h>
#include <asm/suspend.h>
-#include <plat/cpu.h>
-
#ifdef CONFIG_SAMSUNG_ATAGS
#include <mach/hardware.h>
#include <mach/map.h>
@@ -46,86 +42,6 @@
unsigned long s3c_pm_flags;
-/* Debug code:
- *
- * This code supports debug output to the low level UARTs for use on
- * resume before the console layer is available.
-*/
-
-#ifdef CONFIG_SAMSUNG_PM_DEBUG
-extern void printascii(const char *);
-
-void s3c_pm_dbg(const char *fmt, ...)
-{
- va_list va;
- char buff[256];
-
- va_start(va, fmt);
- vsnprintf(buff, sizeof(buff), fmt, va);
- va_end(va);
-
- printascii(buff);
-}
-
-static inline void s3c_pm_debug_init(void)
-{
- /* restart uart clocks so we can use them to output */
- s3c_pm_debug_init_uart();
-}
-
-static struct pm_uart_save uart_save;
-
-static inline void __iomem *s3c_pm_uart_base(void)
-{
- unsigned long paddr;
- unsigned long vaddr;
-
- debug_ll_addr(&paddr, &vaddr);
-
- return (void __iomem *)vaddr;
-}
-
-static void s3c_pm_save_uarts(void)
-{
- void __iomem *regs = s3c_pm_uart_base();
- struct pm_uart_save *save = &uart_save;
-
- save->ulcon = __raw_readl(regs + S3C2410_ULCON);
- save->ucon = __raw_readl(regs + S3C2410_UCON);
- save->ufcon = __raw_readl(regs + S3C2410_UFCON);
- save->umcon = __raw_readl(regs + S3C2410_UMCON);
- save->ubrdiv = __raw_readl(regs + S3C2410_UBRDIV);
-
- if (!soc_is_s3c2410())
- save->udivslot = __raw_readl(regs + S3C2443_DIVSLOT);
-
- S3C_PMDBG("UART[%p]: ULCON=%04x, UCON=%04x, UFCON=%04x, UBRDIV=%04x\n",
- regs, save->ulcon, save->ucon, save->ufcon, save->ubrdiv);
-}
-
-static void s3c_pm_restore_uarts(void)
-{
- void __iomem *regs = s3c_pm_uart_base();
- struct pm_uart_save *save = &uart_save;
-
- s3c_pm_arch_update_uart(regs, save);
-
- __raw_writel(save->ulcon, regs + S3C2410_ULCON);
- __raw_writel(save->ucon, regs + S3C2410_UCON);
- __raw_writel(save->ufcon, regs + S3C2410_UFCON);
- __raw_writel(save->umcon, regs + S3C2410_UMCON);
- __raw_writel(save->ubrdiv, regs + S3C2410_UBRDIV);
-
- if (!soc_is_s3c2410())
- __raw_writel(save->udivslot, regs + S3C2443_DIVSLOT);
-}
-#else
-#define s3c_pm_debug_init() do { } while (0)
-
-static void s3c_pm_save_uarts(void) { }
-static void s3c_pm_restore_uarts(void) { }
-#endif
-
/* The IRQ ext-int code goes here, it is too small to currently bother
* with its own file. */