mx6qsabre_common: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER
PATCH 1/2 mx6qsabre_common: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER
From: Fabio Estevam <[email protected]>
Data cache and CONFIG_MMC_BOUNCE_BUFFER can be safely enabled now.
--- include/configs/mx6qsabre_common.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
include/configs/mx6qsabre_common.h +1 -2
@@ -45,6 +45,7 @@#define CONFIG_MMC #define CONFIG_CMD_MMC #define CONFIG_GENERIC_MMC +#define CONFIG_MMC_BOUNCE_BUFFER #define CONFIG_CMD_EXT2 #define CONFIG_CMD_FAT #define CONFIG_DOS_PARTITION
@@ -168,8 +169,6 @@#define CONFIG_OF_LIBFDT -#define CONFIG_SYS_DCACHE_OFF -#ifndef CONFIG_SYS_DCACHE_OFF #define CONFIG_CMD_CACHE #endif
Signature · 1 line
1.7.9.5
PATCH 2/2 mx6qarm2: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER
From: Fabio Estevam <[email protected]>
Data cache and CONFIG_MMC_BOUNCE_BUFFER can be safely enabled now.
--- include/configs/mx6qarm2.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
include/configs/mx6qarm2.h +1 -2
@@ -50,6 +50,7 @@#define CONFIG_MMC #define CONFIG_CMD_MMC #define CONFIG_GENERIC_MMC +#define CONFIG_MMC_BOUNCE_BUFFER #define CONFIG_CMD_FAT #define CONFIG_DOS_PARTITION
@@ -164,6 +165,4 @@#define CONFIG_OF_LIBFDT #define CONFIG_CMD_BOOTZ -#define CONFIG_SYS_DCACHE_OFF -#endif /* __CONFIG_H */
Signature · 1 line
1.7.9.5
PATCH 2/2 mx6qarm2: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER
Quoted 1 line
-----Original Message-----
From: [email protected] [mailto:u-boot-bounces at lists.denx.de]
Quoted 10 lines
On Behalf Of Fabio Estevam
Sent: Thursday, October 18, 2012 1:33 AM
To: sbabic at denx.de
Cc: Estevam Fabio-R49496; u-boot at lists.denx.de
Subject: [U-Boot] [PATCH 2/2] mx6qarm2: Enable DCACHE andCONFIG_MMC_BOUNCE_BUFFERFrom: Fabio Estevam <[email protected]>
Data cache and
CONFIG_MMC_BOUNCE_BUFFERcan be safely enabled now.
Why we need enable CONFIG_MMC_BOUNCE_BUFFER?
Quoted 32 lines
Signed-off-by Fabio Estevam <[email protected]>---
include/configs/mx6qarm2.h| 3 +--1 file changed, 1 insertion(+), 2 deletions(-)include/configs/mx6qarm2.h index renamed from include/configs/mx6qarm2.h +0
-0965bea3..b425fed 100644
include/configs/mx6qarm2.h +1
-3@@ -50,6 +50,7 @@#define CONFIG_MMC #define CONFIG_CMD_MMC #define CONFIG_GENERIC_MMC +#define CONFIG_MMC_BOUNCE_BUFFER #define CONFIG_CMD_FAT #define CONFIG_DOS_PARTITION @@ -164,6 +165,4 @@#define CONFIG_OF_LIBFDT #define CONFIG_CMD_BOOTZ -#define CONFIG_SYS_DCACHE_OFF -#endif /* __CONFIG_H */ --1.7.9.5
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PATCH 2/2 mx6qarm2: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER
Hi Jason,
Quoted 1 line · On Wed, Oct 17, 2012 at 11:29 PM, Liu Hui-R64343 <[email protected]> wrote:
Why we need enable
CONFIG_MMC_BOUNCE_BUFFER?
I learned the following from Marek:
"you can't flush cache over unaligned addresses
so .. to make DMA work, we use the bounce buffer
so the address is cache aligned"
Regards,
Fabio Estevam
PATCH 2/2 mx6qarm2: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER
In reply to Fabio EstevamAm 17/10/2012 19:33, schrieb Fabio Estevam:
Quoted 6 lines
From: Fabio Estevam <[email protected]>
Data cache and
CONFIG_MMC_BOUNCE_BUFFERcan be safely enabled now.Signed-off-by Fabio Estevam <[email protected]>---
Applied to u-boot-imx, thanks.
Best regards,
Stefano Babic
Signature · 5 lines
===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================
PATCH 1/2 mx6qsabre_common: Enable DCACHE and CONFIG_MMC_BOUNCE_BUFFER
In reply to Fabio EstevamAm 17/10/2012 19:33, schrieb Fabio Estevam:
Quoted 6 lines
From: Fabio Estevam <[email protected]>
Data cache and
CONFIG_MMC_BOUNCE_BUFFERcan be safely enabled now.Signed-off-by Fabio Estevam <[email protected]>---
Applied to u-boot-imx, thanks.
Best regards,
Stefano Babic
Signature · 5 lines
===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================