linux-kernel - [PATCH v4 3/7] ARM: davinci: da850: changed SRAM allocator to shared ram.

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Message-Id: <1349456686-22736-4-git-send-email-mporter@ti.com>
Date:	Fri,  5 Oct 2012 13:04:42 -0400
From:	Matt Porter <mporter@...com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Hans J. Koch" <hjk@...sjkoch.de>, Sekhar Nori <nsekhar@...com>
Cc:	Russell King <linux@....linux.org.uk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux DaVinci Kernel List 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	Ben Gardiner <bengardiner@...ometrics.ca>,
	Subhasish Ghosh <subhasish@...tralsolutions.com>
Subject: [PATCH v4 3/7] ARM: davinci: da850: changed SRAM allocator to shared ram.

From: Subhasish Ghosh <subhasish@...tralsolutions.com>

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

Regression tested suspend/resume on AM180x EVM.

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

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);
-- 
1.7.9.5

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