aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s3c/pm.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
commit2cf4d4514d5b43c1f3b64bd0ec8b9853bde8f1dc (patch)
treee35a625496acc6ac852846d40b8851186b9d1ac4 /arch/arm/plat-s3c/pm.c
parent44b7532b8b464f606053562400719c9c21276037 (diff)
parentce53895a5d24e0ee19fb92f56c17323fb4c9ab27 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits) MAINTAINERS: EB110ATX is not ebsa110 MAINTAINERS: update Eric Miao's email address and status fb: add support of LCD display controller on pxa168/910 (base layer) [ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN [ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines [ARM] 5544/1: Trust PrimeCell resource sizes [ARM] pxa/sharpsl_pm: cleanup of gpio-related code. [ARM] pxa/sharpsl_pm: drop set_irq_type calls [ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one [ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific [ARM] sa1100: remove unused collie_pm.c [ARM] pxa: fix the conflicting non-static declarations of global_gpios[] [ARM] 5550/1: Add default configure file for w90p910 platform [ARM] 5549/1: Add clock api for w90p910 platform. [ARM] 5548/1: Add gpio api for w90p910 platform [ARM] 5551/1: Add multi-function pin api for w90p910 platform. [ARM] Make ARM_VIC_NR depend on ARM_VIC [ARM] 5546/1: ARM PL022 SSP/SPI driver v3 ARM: OMAP4: SMP: Update defconfig for OMAP4430 ARM: OMAP4: SMP: Enable SMP support for OMAP4430 ...
Diffstat (limited to 'arch/arm/plat-s3c/pm.c')
-rw-r--r--arch/arm/plat-s3c/pm.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-s3c/pm.c
index 061182ca66e3..8d97db2c7a0d 100644
--- a/arch/arm/plat-s3c/pm.c
+++ b/arch/arm/plat-s3c/pm.c
@@ -21,11 +21,10 @@
21 21
22#include <asm/cacheflush.h> 22#include <asm/cacheflush.h>
23#include <mach/hardware.h> 23#include <mach/hardware.h>
24#include <mach/map.h>
24 25
25#include <plat/regs-serial.h> 26#include <plat/regs-serial.h>
26#include <mach/regs-clock.h> 27#include <mach/regs-clock.h>
27#include <mach/regs-gpio.h>
28#include <mach/regs-mem.h>
29#include <mach/regs-irq.h> 28#include <mach/regs-irq.h>
30#include <asm/irq.h> 29#include <asm/irq.h>
31 30
@@ -70,6 +69,8 @@ static inline void s3c_pm_debug_init(void)
70 69
71/* Save the UART configurations if we are configured for debug. */ 70/* Save the UART configurations if we are configured for debug. */
72 71
72unsigned char pm_uart_udivslot;
73
73#ifdef CONFIG_S3C2410_PM_DEBUG 74#ifdef CONFIG_S3C2410_PM_DEBUG
74 75
75struct pm_uart_save uart_save[CONFIG_SERIAL_SAMSUNG_UARTS]; 76struct pm_uart_save uart_save[CONFIG_SERIAL_SAMSUNG_UARTS];
@@ -83,6 +84,12 @@ static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
83 save->ufcon = __raw_readl(regs + S3C2410_UFCON); 84 save->ufcon = __raw_readl(regs + S3C2410_UFCON);
84 save->umcon = __raw_readl(regs + S3C2410_UMCON); 85 save->umcon = __raw_readl(regs + S3C2410_UMCON);
85 save->ubrdiv = __raw_readl(regs + S3C2410_UBRDIV); 86 save->ubrdiv = __raw_readl(regs + S3C2410_UBRDIV);
87
88 if (pm_uart_udivslot)
89 save->udivslot = __raw_readl(regs + S3C2443_DIVSLOT);
90
91 S3C_PMDBG("UART[%d]: ULCON=%04x, UCON=%04x, UFCON=%04x, UBRDIV=%04x\n",
92 uart, save->ulcon, save->ucon, save->ufcon, save->ubrdiv);
86} 93}
87 94
88static void s3c_pm_save_uarts(void) 95static void s3c_pm_save_uarts(void)
@@ -98,11 +105,16 @@ static void s3c_pm_restore_uart(unsigned int uart, struct pm_uart_save *save)
98{ 105{
99 void __iomem *regs = S3C_VA_UARTx(uart); 106 void __iomem *regs = S3C_VA_UARTx(uart);
100 107
108 s3c_pm_arch_update_uart(regs, save);
109
101 __raw_writel(save->ulcon, regs + S3C2410_ULCON); 110 __raw_writel(save->ulcon, regs + S3C2410_ULCON);
102 __raw_writel(save->ucon, regs + S3C2410_UCON); 111 __raw_writel(save->ucon, regs + S3C2410_UCON);
103 __raw_writel(save->ufcon, regs + S3C2410_UFCON); 112 __raw_writel(save->ufcon, regs + S3C2410_UFCON);
104 __raw_writel(save->umcon, regs + S3C2410_UMCON); 113 __raw_writel(save->umcon, regs + S3C2410_UMCON);
105 __raw_writel(save->ubrdiv, regs + S3C2410_UBRDIV); 114 __raw_writel(save->ubrdiv, regs + S3C2410_UBRDIV);
115
116 if (pm_uart_udivslot)
117 __raw_writel(save->udivslot, regs + S3C2443_DIVSLOT);
106} 118}
107 119
108static void s3c_pm_restore_uarts(void) 120static void s3c_pm_restore_uarts(void)
@@ -313,6 +325,9 @@ static int s3c_pm_enter(suspend_state_t state)
313 325
314 S3C_PMDBG("%s: post sleep, preparing to return\n", __func__); 326 S3C_PMDBG("%s: post sleep, preparing to return\n", __func__);
315 327
328 /* LEDs should now be 1110 */
329 s3c_pm_debug_smdkled(1 << 1, 0);
330
316 s3c_pm_check_restore(); 331 s3c_pm_check_restore();
317 332
318 /* ok, let's return from sleep */ 333 /* ok, let's return from sleep */