mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Subhasish Ghosh <subhasish@mistralsolutions.com>
To: davinci-linux-open-source@linux.davincidsp.com
Cc: linux-arm-kernel@lists.infradead.org, m-watkins@ti.com,
	nsekhar@ti.com, sachi@mistralsolutions.com,
	Subhasish Ghosh <subhasish@mistralsolutions.com>,
	Kevin Hilman <khilman@deeprootsystems.com> (supporter:TI DAVINCI
	MACHIN...,commit_signer:16/18=89%),
	Russell King <linux@arm.linux.org.uk> (maintainer:ARM PORT),
	Michael Williamson <michael.williamson@criticallink.com>
	(commit_signer:5/18=28%),
	Cyril Chemparathy <cyril@ti.com> (commit_signer:3/18=17%),
	Sergei Shtylyov <sshtylyov@ru.mvista.com>
	(commit_signer:3/18=17%),
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 1/1] davinci: changed SRAM allocator to shared ram.
Date: Fri, 11 Feb 2011 19:51:28 +0530	[thread overview]
Message-ID: <1297434088-27995-1-git-send-email-subhasish@mistralsolutions.com> (raw)

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

Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com>
---
 arch/arm/mach-davinci/da850.c              |    6 +++---
 arch/arm/mach-davinci/include/mach/da8xx.h |    1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 3443d97..8a4de97 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -711,7 +711,7 @@ static struct map_desc da850_io_desc[] = {
 	},
 	{
 		.virtual	= SRAM_VIRT,
-		.pfn		= __phys_to_pfn(DA8XX_ARM_RAM_BASE),
+		.pfn		= __phys_to_pfn(DA8XX_SHARED_RAM_BASE),
 		.length		= SZ_8K,
 		.type		= MT_DEVICE
 	},
@@ -1083,8 +1083,8 @@ 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,
 	.reset_device		= &da8xx_wdt_device,
 };
 
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index cfcb223..c3c3339 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -70,6 +70,7 @@ extern unsigned int da850_max_speed;
 #define DA8XX_AEMIF_CTL_BASE	0x68000000
 #define DA8XX_DDR2_CTL_BASE	0xb0000000
 #define DA8XX_ARM_RAM_BASE	0xffff0000
+#define DA8XX_SHARED_RAM_BASE	0x80000000
 
 void __init da830_init(void);
 void __init da850_init(void);
-- 
1.7.2.3


             reply	other threads:[~2011-02-11 14:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-11 14:21 Subhasish Ghosh [this message]
2011-02-23 15:30 ` Nori, Sekhar
2011-02-24 10:24   ` Subhasish Ghosh
2011-02-24 11:27     ` Nori, Sekhar
2011-02-26 12:12       ` Subhasish Ghosh
2011-03-02 17:12         ` Nori, Sekhar
2011-05-16 19:08           ` Ben Gardiner
2011-05-17 18:25             ` Nori, Sekhar

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1297434088-27995-1-git-send-email-subhasish@mistralsolutions.com \
    --to=subhasish@mistralsolutions.com \
    --cc=cyril@ti.com \
    --cc=davinci-linux-open-source@linux.davincidsp.com \
    --cc=khilman@deeprootsystems.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=m-watkins@ti.com \
    --cc=michael.williamson@criticallink.com \
    --cc=nsekhar@ti.com \
    --cc=sachi@mistralsolutions.com \
    --cc=sshtylyov@ru.mvista.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®