powerpc/t1040qds: Remove Video - HDMI support

-----Original Message-----
From: Dongsheng Wang [mailto:dongsheng.wang at freescale.com]
Sent: Friday, April 18, 2014 1:09 PM
To: Sun York-R58495
Cc: Jain Priyanka-B32167; Wood Scott-B07421; u-boot at lists.denx.de; Wang Dongsheng-B40534
Subject: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

From: Wang Dongsheng <[email protected]>

We should remove this support.
First, there is not any documents to say we need to support this feature, and kernel also not support this feature.
Second, Kerneal not support this on T1040QDS, so if we open it in u-boot, FPGA will be changed and that will affect deep sleep feature.

Signed-off-by Wang Dongsheng <[email protected]>

board/freescale/t1040qds/Makefile +0 -1

index 19ed21b..c7470d7 100644
@@ -10,4 +10,3 @@ obj-$(CONFIG_PCI)     += pci.o
 obj-y	+= law.o
 obj-y	+= tlb.o
 obj-y	+= eth.o
-obj-y	+= diu.o

(quoted diff) +0 -0

b/board/freescale/t1040qds/diu.c deleted file mode 100644 index 0214224..0000000

board/freescale/t1040qds/diu.c deleted +0 -23

@@ -1,97 +0,0 @@
-/*
- * Copyright 2014 Freescale Semiconductor, Inc.
- * Author: Priyanka Jain <[email protected]>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <command.h>
-#include <linux/ctype.h>
-#include <asm/io.h>
-#include <stdio_dev.h>
-#include <video_fb.h>
-#include <fsl_diu_fb.h>
-#include "../common/qixis.h"
-#include "../common/diu_ch7301.h"
-#include "t1040qds.h"
-#include "t1040qds_qixis.h"
-
-/*
- * DIU Area Descriptor
- *
- * Note that we need to byte-swap the value before it's written to the

AD
- * register. So even though the registers don't look like they're in the same
- * bit positions as they are on the MPC8610, the same value is written to the
- * AD register on the MPC8610 and on the P1022.
- */

board/freescale/t1040qds/diu.c deleted +0 -43

-#define AD_BYTE_F		0x10000000
-#define AD_ALPHA_C_SHIFT	25
-#define AD_BLUE_C_SHIFT		23
-#define AD_GREEN_C_SHIFT	21
-#define AD_RED_C_SHIFT		19
-#define AD_PIXEL_S_SHIFT	16
-#define AD_COMP_3_SHIFT		12
-#define AD_COMP_2_SHIFT		8
-#define AD_COMP_1_SHIFT		4
-#define AD_COMP_0_SHIFT		0
-
-void diu_set_pixel_clock(unsigned int pixclock) -{
-	unsigned long speed_ccb, temp;
-	u32 pixval;
-	int ret = 0;
-	speed_ccb = get_bus_freq(0);
-	temp = 1000000000 / pixclock;
-	temp *= 1000;
-	pixval = speed_ccb / temp;
-
-	/* Program HDMI encoder */
-	/* Switch channel to DIU */
-	select_i2c_ch_pca9547(I2C_MUX_CH_DIU);
-
-	/* Set dispaly encoder */
-	ret = diu_set_dvi_encoder(temp);
-	if (ret) {
-		puts("Failed to set DVI encoder\n");
-		return;
-	}
-
-	/* Switch channel to default */
-	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
-
-	/* Program pixel clock */
-	out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR,
-		 ((pixval << PXCK_BITS_START) & PXCK_MASK));
-	/* enable clock*/
-	out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR, PXCKEN_MASK |
-		 ((pixval << PXCK_BITS_START) & PXCK_MASK));
-}
-
-int platform_diu_init(unsigned int xres, unsigned int yres, const char

*port) -{

board/freescale/t1040qds/diu.c deleted +0 -25

-	u32 pixel_format;
-	u8 sw;
-
-	/*Route I2C4 to DIU system as HSYNC/VSYNC*/
-	sw = QIXIS_READ(brdcfg[5]);
-	QIXIS_WRITE(brdcfg[5],
-		    ((sw & ~(BRDCFG5_IMX_MASK)) | (BRDCFG5_IMX_DIU)));
-
-	/*Configure Display ouput port as HDMI*/
-	sw = QIXIS_READ(brdcfg[15]);
-	QIXIS_WRITE(brdcfg[15],
-		    ((sw & ~(BRDCFG15_LCDPD_MASK | BRDCFG15_DIUSEL_MASK))
-		      | (BRDCFG15_LCDPD_ENABLED | BRDCFG15_DIUSEL_HDMI)));
-
-	pixel_format = cpu_to_le32(AD_BYTE_F | (3 << AD_ALPHA_C_SHIFT) |
-		(0 << AD_BLUE_C_SHIFT) | (1 << AD_GREEN_C_SHIFT) |
-		(2 << AD_RED_C_SHIFT) | (8 << AD_COMP_3_SHIFT) |
-		(8 << AD_COMP_2_SHIFT) | (8 << AD_COMP_1_SHIFT) |
-		(8 << AD_COMP_0_SHIFT) | (3 << AD_PIXEL_S_SHIFT));
-
-	printf("DIU:   Switching to monitor @ %ux%u\n",  xres, yres);
-
-
-	return fsl_diu_init(xres, yres, pixel_format, 0);
-}

board/freescale/t1040qds/t1040qds.h +0 -0

index 5041f37..79bdeda 100644
@@ -9,6 +9,5 @@
 
 void fdt_fixup_board_enet(void *blob);
 void pci_of_setup(void *blob, bd_t *bd); -int select_i2c_ch_pca9547(u8
 ch);
 
 #endif

board/freescale/t1040qds/t1040qds_qixis.h +0 -12

index 98d2d39..2ce8795 100644
@@ -13,18 +13,6 @@
 #define BRDCFG4_EMISEL_MASK		0xE0
 #define BRDCFG4_EMISEL_SHIFT		5
 
-/* BRDCFG5[0:1] controls routing and use of I2C3 & I2C4 ports*/
-#define BRDCFG5_IMX_MASK		0xC0
-#define BRDCFG5_IMX_DIU			0x80
-
-/* BRDCFG15[3] controls LCD Panel Powerdown*/
-#define BRDCFG15_LCDPD_MASK		0x10
-#define BRDCFG15_LCDPD_ENABLED		0x00
-
-/* BRDCFG15[6:7] controls DIU MUX selction*/
-#define BRDCFG15_DIUSEL_MASK		0x03
-#define BRDCFG15_DIUSEL_HDMI		0x00
-
 /* SYSCLK */
 #define QIXIS_SYSCLK_66			0x0
 #define QIXIS_SYSCLK_83			0x1

include/configs/T1040QDS.h +1 -1

index f4c8547..61bffce 100644
@@ -375,7 +375,7 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
 
 #define CONFIG_SYS_MONITOR_LEN		(512 * 1024)
-#define CONFIG_SYS_MALLOC_LEN		(10 * 1024 * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
 
 /* Serial Port - controlled on board with jumper J8
  * open - index 2

@@ -401,26 +401,6 @@ unsigned long get_board_ddr_clk(void);  #define

CONFIG_SYS_HUSH_PARSER #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "

include/configs/T1040QDS.h +0 -15

-/* Video */
-#define CONFIG_FSL_DIU_FB
-#ifdef CONFIG_FSL_DIU_FB
-#define CONFIG_FSL_DIU_CH7301
-#define CONFIG_SYS_DIU_ADDR	(CONFIG_SYS_CCSRBAR + 0x180000)
-#define CONFIG_VIDEO
-#define CONFIG_CMD_BMP
-#define CONFIG_CFB_CONSOLE
-#define CONFIG_VIDEO_SW_CURSOR
-#define CONFIG_VGA_AS_SINGLE_DEVICE
-#define CONFIG_VIDEO_LOGO
-#define CONFIG_VIDEO_BMP_LOGO
-#define CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS
-/*
- * With CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS, flash I/O is really slow,

so
- * disable empty flash sector detection, which is I/O-intensive.
- */

include/configs/T1040QDS.h +0 -10

-#undef CONFIG_SYS_FLASH_EMPTY_INFO
-#endif
-
 /* pass open firmware flat tree */
 #define CONFIG_OF_LIBFDT
 #define CONFIG_OF_BOARD_SETUP

@@ -446,11 +426,6 @@ unsigned long get_board_ddr_clk(void);
 
 /* I2C bus multiplexer */
 #define I2C_MUX_CH_DEFAULT      0x8
-#define I2C_MUX_CH_DIU		0xC
-
-/* LDI/DVI Encoder for display */
-#define CONFIG_SYS_I2C_LDI_ADDR         0x38
-#define CONFIG_SYS_I2C_DVI_ADDR         0x75
 
 /*
  * RTC configuration

@@ -728,7 +703,6 @@ unsigned long get_board_ddr_clk(void);
 	"bank_intlv=cs0_cs1;"					\
 	"usb1:dr_mode=host,phy_type=" __stringify(__USB_PHY_TYPE) "\0"\
 	"netdev=eth0\0"						\
-	"video-mode=fslfb:1024x768-32 at 60,monitor=dvi\0"		\
 	"uboot=" __stringify(CONFIG_UBOOTPATH) "\0"		\
 	"ubootaddr=" __stringify(CONFIG_SYS_TEXT_BASE) "\0"	\
 	"tftpflash=tftpboot $loadaddr $uboot && "		\
--

1.8.5

-----Original Message-----
From: Jain Priyanka-B32167
Sent: Friday, April 18, 2014 4:26 PM
To: Wang Dongsheng-B40534; Sun York-R58495
Cc: Wood Scott-B07421; u-boot at lists.denx.de; Wang Dongsheng-B40534
Subject: RE: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

Hello Dongsheng,

We do have requirement to support this that's why code development was done. Also , what is the dependency of deep-sleep on this. Please elaborate And if something is broken, we should fix it. Instead of removing the feature.

Regards
Priyanka

Quoted 232 lines

-----Original Message-----
From: Dongsheng Wang [mailto:dongsheng.wang at freescale.com]
Sent: Friday, April 18, 2014 1:09 PM
To: Sun York-R58495
Cc: Jain Priyanka-B32167; Wood Scott-B07421; u-boot at lists.denx.de; Wang Dongsheng-B40534
Subject: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

From: Wang Dongsheng <[email protected]>

We should remove this support.
First, there is not any documents to say we need to support this feature, and kernel also not support this feature.
Second, Kerneal not support this on T1040QDS, so if we open it in u-boot, FPGA will be changed and that will affect deep sleep feature.

Signed-off-by Wang Dongsheng <[email protected]>

board/freescale/t1040qds/Makefile +0 -1

index 19ed21b..c7470d7 100644
@@ -10,4 +10,3 @@ obj-$(CONFIG_PCI)     += pci.o
 obj-y	+= law.o
 obj-y	+= tlb.o
 obj-y	+= eth.o
-obj-y	+= diu.o

(quoted diff) +0 -0

b/board/freescale/t1040qds/diu.c deleted file mode 100644 index 0214224..0000000

board/freescale/t1040qds/diu.c deleted +0 -23

@@ -1,97 +0,0 @@
-/*
- * Copyright 2014 Freescale Semiconductor, Inc.
- * Author: Priyanka Jain <[email protected]>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <command.h>
-#include <linux/ctype.h>
-#include <asm/io.h>
-#include <stdio_dev.h>
-#include <video_fb.h>
-#include <fsl_diu_fb.h>
-#include "../common/qixis.h"
-#include "../common/diu_ch7301.h"
-#include "t1040qds.h"
-#include "t1040qds_qixis.h"
-
-/*
- * DIU Area Descriptor
- *
- * Note that we need to byte-swap the value before it's written to the

AD
- * register. So even though the registers don't look like they're in the same
- * bit positions as they are on the MPC8610, the same value is written to the
- * AD register on the MPC8610 and on the P1022.
- */

board/freescale/t1040qds/diu.c deleted +0 -43

-#define AD_BYTE_F		0x10000000
-#define AD_ALPHA_C_SHIFT	25
-#define AD_BLUE_C_SHIFT		23
-#define AD_GREEN_C_SHIFT	21
-#define AD_RED_C_SHIFT		19
-#define AD_PIXEL_S_SHIFT	16
-#define AD_COMP_3_SHIFT		12
-#define AD_COMP_2_SHIFT		8
-#define AD_COMP_1_SHIFT		4
-#define AD_COMP_0_SHIFT		0
-
-void diu_set_pixel_clock(unsigned int pixclock) -{
-	unsigned long speed_ccb, temp;
-	u32 pixval;
-	int ret = 0;
-	speed_ccb = get_bus_freq(0);
-	temp = 1000000000 / pixclock;
-	temp *= 1000;
-	pixval = speed_ccb / temp;
-
-	/* Program HDMI encoder */
-	/* Switch channel to DIU */
-	select_i2c_ch_pca9547(I2C_MUX_CH_DIU);
-
-	/* Set dispaly encoder */
-	ret = diu_set_dvi_encoder(temp);
-	if (ret) {
-		puts("Failed to set DVI encoder\n");
-		return;
-	}
-
-	/* Switch channel to default */
-	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
-
-	/* Program pixel clock */
-	out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR,
-		 ((pixval << PXCK_BITS_START) & PXCK_MASK));
-	/* enable clock*/
-	out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR, PXCKEN_MASK |
-		 ((pixval << PXCK_BITS_START) & PXCK_MASK));
-}
-
-int platform_diu_init(unsigned int xres, unsigned int yres, const char

*port) -{

board/freescale/t1040qds/diu.c deleted +0 -25

-	u32 pixel_format;
-	u8 sw;
-
-	/*Route I2C4 to DIU system as HSYNC/VSYNC*/
-	sw = QIXIS_READ(brdcfg[5]);
-	QIXIS_WRITE(brdcfg[5],
-		    ((sw & ~(BRDCFG5_IMX_MASK)) | (BRDCFG5_IMX_DIU)));
-
-	/*Configure Display ouput port as HDMI*/
-	sw = QIXIS_READ(brdcfg[15]);
-	QIXIS_WRITE(brdcfg[15],
-		    ((sw & ~(BRDCFG15_LCDPD_MASK | BRDCFG15_DIUSEL_MASK))
-		      | (BRDCFG15_LCDPD_ENABLED | BRDCFG15_DIUSEL_HDMI)));
-
-	pixel_format = cpu_to_le32(AD_BYTE_F | (3 << AD_ALPHA_C_SHIFT) |
-		(0 << AD_BLUE_C_SHIFT) | (1 << AD_GREEN_C_SHIFT) |
-		(2 << AD_RED_C_SHIFT) | (8 << AD_COMP_3_SHIFT) |
-		(8 << AD_COMP_2_SHIFT) | (8 << AD_COMP_1_SHIFT) |
-		(8 << AD_COMP_0_SHIFT) | (3 << AD_PIXEL_S_SHIFT));
-
-	printf("DIU:   Switching to monitor @ %ux%u\n",  xres, yres);
-
-
-	return fsl_diu_init(xres, yres, pixel_format, 0);
-}

board/freescale/t1040qds/t1040qds.h +0 -0

index 5041f37..79bdeda 100644
@@ -9,6 +9,5 @@
 
 void fdt_fixup_board_enet(void *blob);
 void pci_of_setup(void *blob, bd_t *bd); -int select_i2c_ch_pca9547(u8
 ch);
 
 #endif

board/freescale/t1040qds/t1040qds_qixis.h +0 -12

index 98d2d39..2ce8795 100644
@@ -13,18 +13,6 @@
 #define BRDCFG4_EMISEL_MASK		0xE0
 #define BRDCFG4_EMISEL_SHIFT		5
 
-/* BRDCFG5[0:1] controls routing and use of I2C3 & I2C4 ports*/
-#define BRDCFG5_IMX_MASK		0xC0
-#define BRDCFG5_IMX_DIU			0x80
-
-/* BRDCFG15[3] controls LCD Panel Powerdown*/
-#define BRDCFG15_LCDPD_MASK		0x10
-#define BRDCFG15_LCDPD_ENABLED		0x00
-
-/* BRDCFG15[6:7] controls DIU MUX selction*/
-#define BRDCFG15_DIUSEL_MASK		0x03
-#define BRDCFG15_DIUSEL_HDMI		0x00
-
 /* SYSCLK */
 #define QIXIS_SYSCLK_66			0x0
 #define QIXIS_SYSCLK_83			0x1

include/configs/T1040QDS.h +1 -1

index f4c8547..61bffce 100644
@@ -375,7 +375,7 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
 
 #define CONFIG_SYS_MONITOR_LEN		(512 * 1024)
-#define CONFIG_SYS_MALLOC_LEN		(10 * 1024 * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
 
 /* Serial Port - controlled on board with jumper J8
  * open - index 2

@@ -401,26 +401,6 @@ unsigned long get_board_ddr_clk(void);  #define

CONFIG_SYS_HUSH_PARSER #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "

include/configs/T1040QDS.h +0 -15

-/* Video */
-#define CONFIG_FSL_DIU_FB
-#ifdef CONFIG_FSL_DIU_FB
-#define CONFIG_FSL_DIU_CH7301
-#define CONFIG_SYS_DIU_ADDR	(CONFIG_SYS_CCSRBAR + 0x180000)
-#define CONFIG_VIDEO
-#define CONFIG_CMD_BMP
-#define CONFIG_CFB_CONSOLE
-#define CONFIG_VIDEO_SW_CURSOR
-#define CONFIG_VGA_AS_SINGLE_DEVICE
-#define CONFIG_VIDEO_LOGO
-#define CONFIG_VIDEO_BMP_LOGO
-#define CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS
-/*
- * With CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS, flash I/O is really slow,

so
- * disable empty flash sector detection, which is I/O-intensive.
- */

include/configs/T1040QDS.h +0 -10

-#undef CONFIG_SYS_FLASH_EMPTY_INFO
-#endif
-
 /* pass open firmware flat tree */
 #define CONFIG_OF_LIBFDT
 #define CONFIG_OF_BOARD_SETUP

@@ -446,11 +426,6 @@ unsigned long get_board_ddr_clk(void);
 
 /* I2C bus multiplexer */
 #define I2C_MUX_CH_DEFAULT      0x8
-#define I2C_MUX_CH_DIU		0xC
-
-/* LDI/DVI Encoder for display */
-#define CONFIG_SYS_I2C_LDI_ADDR         0x38
-#define CONFIG_SYS_I2C_DVI_ADDR         0x75
 
 /*
  * RTC configuration

@@ -728,7 +703,6 @@ unsigned long get_board_ddr_clk(void);
 	"bank_intlv=cs0_cs1;"					\
 	"usb1:dr_mode=host,phy_type=" __stringify(__USB_PHY_TYPE) "\0"\
 	"netdev=eth0\0"						\
-	"video-mode=fslfb:1024x768-32 at 60,monitor=dvi\0"		\
 	"uboot=" __stringify(CONFIG_UBOOTPATH) "\0"		\
 	"ubootaddr=" __stringify(CONFIG_SYS_TEXT_BASE) "\0"	\
 	"tftpflash=tftpboot $loadaddr $uboot && "		\
--

1.8.5

Quoted 9 lines

-----Original Message-----
From: Jain Priyanka-B32167
Sent: Friday, April 18, 2014 4:26 PM
To: Wang Dongsheng-B40534; Sun York-R58495
Cc: Wood Scott-B07421; u-boot at lists.denx.de; Wang Dongsheng-B40534
Subject: RE: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

Quoted 6 lines

Hello Dongsheng,

We do have requirement to support this that's why code development was done. Also , what is the dependency of deep-sleep on this. Please elaborate And if something is broken, we should fix it. Instead of removing the feature.

If we have, why kernel doesn't support DIU on T1040QDS? That I must remove it reason.

-----Original Message-----
From: Sun York-R58495
Sent: Thursday, August 07, 2014 1:17 AM
To: Wang Dongsheng-B40534; Jain Priyanka-B32167
Cc: Wood Scott-B07421; u-boot at lists.denx.de
Subject: Re: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

Quoted 9 lines · On 04/18/2014 02:32 AM, Wang Dongsheng-B40534 wrote:

Quoted 9 lines

-----Original Message-----
From: Jain Priyanka-B32167
Sent: Friday, April 18, 2014 4:26 PM
To: Wang Dongsheng-B40534; Sun York-R58495
Cc: Wood Scott-B07421; u-boot at lists.denx.de; Wang Dongsheng-B40534
Subject: RE: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

Quoted 8 lines

Quoted 6 lines

Hello Dongsheng,

We do have requirement to support this that's why code development was done. Also , what is the dependency of deep-sleep on this. Please elaborate And if something is broken, we should fix it. Instead of removing the feature.

If we have, why kernel doesn't support DIU on T1040QDS? That I must remove it

reason.

Quoted 1 line

Guys,

Do we have an agreement if this feature should be kept or removed?

York

-----Original Message-----
From: Wang Dongsheng-B40534
Sent: Thursday, August 07, 2014 10:22 AM
To: Sun York-R58495; Jain Priyanka-B32167
Cc: Wood Scott-B07421; u-boot at lists.denx.de
Subject: RE: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

Hi York,

Sorry for late response. We don't need to remove this patch. Please keep this patch.

Regards,
Dongsheng

Quoted 7 lines

-----Original Message-----
From: Sun York-R58495
Sent: Thursday, August 07, 2014 1:17 AM
To: Wang Dongsheng-B40534; Jain Priyanka-B32167
Cc: Wood Scott-B07421; u-boot at lists.denx.de
Subject: Re: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

Quoted 15 lines

Quoted 14 lines · On 04/18/2014 02:32 AM, Wang Dongsheng-B40534 wrote:

Quoted 14 lines

-----Original Message-----
From: Jain Priyanka-B32167
Sent: Friday, April 18, 2014 4:26 PM
To: Wang Dongsheng-B40534; Sun York-R58495
Cc: Wood Scott-B07421; u-boot at lists.denx.de; Wang Dongsheng-B40534
Subject: RE: [PATCH] powerpc/t1040qds: Remove Video - HDMI support

Hello Dongsheng,

We do have requirement to support this that's why code development was done. Also , what is the dependency of deep-sleep on this. Please elaborate And if something is broken, we should fix it. Instead of removing

the feature.

Quoted 13 lines

Quoted 4 lines

Quoted 1 line

If we have, why kernel doesn't support DIU on T1040QDS? That I must remove it

reason.

Quoted 1 line

Guys,

Do we have an agreement if this feature should be kept or removed?

York

If we have, why kernel doesn't support DIU on T1040QDS? That I must remove it reason.

From: Wang Dongsheng <[email protected]>

We should remove this support.
First, there is not any documents to say we need to support this feature, and kernel also not support this feature.
Second, Kerneal not support this on T1040QDS, so if we open it in u-boot, FPGA will be changed and that will affect deep sleep feature.

Signed-off-by Wang Dongsheng <[email protected]>