diff mbox

[v3,3/6] ARM: davinci: da850: changed SRAM allocator to shared ram.

Message ID 1349276133-26408-4-git-send-email-mporter@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Matt Porter Oct. 3, 2012, 2:55 p.m. UTC 
From: Subhasish Ghosh <subhasish@mistralsolutions.com>

This patch modifies the sram allocator to allocate memory
from the DA8XX shared RAM.

Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com>
[rebased onto consolidated SRAM patches]
Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
[rebased to mainline as consolidated SRAM patches were dropped]
Signed-off-by: Matt Porter <mporter@ti.com>
---
 arch/arm/mach-davinci/da850.c              |    4 ++--
 arch/arm/mach-davinci/include/mach/da8xx.h |    1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

Comments

Sekhar Nori Oct. 4, 2012, 11:57 a.m. UTC | #1 
Matt,

On 10/3/2012 8:25 PM, Matt Porter wrote:
> From: Subhasish Ghosh <subhasish@mistralsolutions.com>
> 
> This patch modifies the sram allocator to allocate memory
> from the DA8XX shared RAM.
> 
> Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com>
> [rebased onto consolidated SRAM patches]
> Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
> [rebased to mainline as consolidated SRAM patches were dropped]
> Signed-off-by: Matt Porter <mporter@ti.com>

Were you able to test PM with this change or you need my help?

Thanks,
Sekhar
Matt Porter Oct. 4, 2012, 12:56 p.m. UTC | #2 
On Thu, Oct 04, 2012 at 05:27:23PM +0530, Sekhar Nori wrote:
> Matt,
> 
> On 10/3/2012 8:25 PM, Matt Porter wrote:
> > From: Subhasish Ghosh <subhasish@mistralsolutions.com>
> > 
> > This patch modifies the sram allocator to allocate memory
> > from the DA8XX shared RAM.
> > 
> > Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com>
> > [rebased onto consolidated SRAM patches]
> > Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
> > [rebased to mainline as consolidated SRAM patches were dropped]
> > Signed-off-by: Matt Porter <mporter@ti.com>
> 
> Were you able to test PM with this change or you need my help?

I'll try it out now and if I have problems I may need to enlist your
help here. :)

-Matt
Matt Porter Oct. 4, 2012, 8:39 p.m. UTC | #3 
On Thu, Oct 04, 2012 at 05:27:23PM +0530, Sekhar Nori wrote:
> Matt,
> 
> On 10/3/2012 8:25 PM, Matt Porter wrote:
> > From: Subhasish Ghosh <subhasish@mistralsolutions.com>
> > 
> > This patch modifies the sram allocator to allocate memory
> > from the DA8XX shared RAM.
> > 
> > Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com>
> > [rebased onto consolidated SRAM patches]
> > Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
> > [rebased to mainline as consolidated SRAM patches were dropped]
> > Signed-off-by: Matt Porter <mporter@ti.com>
> 
> Were you able to test PM with this change or you need my help?

I verified suspend/resume is working fine with this change on
AM180x EVM. Will note this all in v4.

-Matt
diff mbox

Patch

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index b4b324f..d8d69de 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -1081,8 +1081,8 @@  static struct davinci_soc_info davinci_soc_info_da850 = {
 	.gpio_irq		= IRQ_DA8XX_GPIO0,
 	.serial_dev		= &da8xx_serial_device,
 	.emac_pdata		= &da8xx_emac_pdata,
-	.sram_dma		= DA8XX_ARM_RAM_BASE,
-	.sram_len		= SZ_8K,
+	.sram_dma		= DA8XX_SHARED_RAM_BASE,
+	.sram_len		= SZ_128K,
 };
 
 void __init da850_init(void)
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index c9ee723..20553cf 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -68,6 +68,7 @@  extern unsigned int da850_max_speed;
 #define DA8XX_AEMIF_CS2_BASE	0x60000000
 #define DA8XX_AEMIF_CS3_BASE	0x62000000
 #define DA8XX_AEMIF_CTL_BASE	0x68000000
+#define DA8XX_SHARED_RAM_BASE	0x80000000
 #define DA8XX_ARM_RAM_BASE	0xffff0000
 
 void __init da830_init(void);