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From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Nicolas Ferre <nicolas.ferre@atmel.com>,
	Sebastian Reichel <sre@kernel.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	Alexandre Belloni <alexandre.belloni@free-electrons.com>
Subject: [PATCH 3/8] ARM: at91: sam9: probe the RAMC driver from pdata
Date: Tue, 21 Oct 2014 23:55:35 +0200	[thread overview]
Message-ID: <1413928540-27099-4-git-send-email-alexandre.belloni@free-electrons.com> (raw)
In-Reply-To: <1413928540-27099-1-git-send-email-alexandre.belloni@free-electrons.com>

Probe the atmel-sdramc driver from the board files, using platform_data.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 arch/arm/mach-at91/Kconfig       |  2 +-
 arch/arm/mach-at91/at91sam9260.c | 15 +++++++++++++++
 arch/arm/mach-at91/at91sam9261.c | 15 +++++++++++++++
 arch/arm/mach-at91/at91sam9263.c | 15 +++++++++++++++
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 0e6d548b70d9..db38e1d4b4fa 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -48,7 +48,7 @@ config SOC_AT91SAM9
 	select CPU_ARM926T
 	select GENERIC_CLOCKEVENTS
 	select MEMORY if USE_OF
-	select ATMEL_SDRAMC if USE_OF
+	select ATMEL_SDRAMC
 
 config SOC_SAMA5
 	bool
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index aab1f969a7c3..d5a6df9ce570 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -378,6 +378,20 @@ static struct platform_device rstc_device = {
 	.num_resources  = ARRAY_SIZE(rstc_resources),
 };
 
+static struct resource ramc_resources[] = {
+	[0] = {
+		.start  = AT91SAM9260_BASE_SDRAMC,
+		.end    = AT91SAM9260_BASE_SDRAMC + SZ_512 - 1,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ramc_device = {
+	.name           = "at91-sam9260-ramc",
+	.resource       = ramc_resources,
+	.num_resources  = ARRAY_SIZE(ramc_resources),
+};
+
 static struct resource shdwc_resources[] = {
 	[0] = {
 		.start  = AT91SAM9260_BASE_SHDWC,
@@ -394,6 +408,7 @@ static struct platform_device shdwc_device = {
 
 static void __init at91sam9260_register_devices(void)
 {
+	platform_device_register(&ramc_device);
 	platform_device_register(&rstc_device);
 	platform_device_register(&shdwc_device);
 }
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index a8bd35963332..1b23a023cca6 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -337,6 +337,20 @@ static struct platform_device rstc_device = {
 	.num_resources  = ARRAY_SIZE(rstc_resources),
 };
 
+static struct resource ramc_resources[] = {
+	[0] = {
+		.start  = AT91SAM9261_BASE_SDRAMC,
+		.end    = AT91SAM9261_BASE_SDRAMC + SZ_512 - 1,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ramc_device = {
+	.name           = "at91-sam9260-ramc",
+	.resource       = ramc_resources,
+	.num_resources  = ARRAY_SIZE(ramc_resources),
+};
+
 static struct resource shdwc_resources[] = {
 	[0] = {
 		.start  = AT91SAM9261_BASE_SHDWC,
@@ -353,6 +367,7 @@ static struct platform_device shdwc_device = {
 
 static void __init at91sam9261_register_devices(void)
 {
+	platform_device_register(&ramc_device);
 	platform_device_register(&rstc_device);
 	platform_device_register(&shdwc_device);
 }
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index fbff228cc63e..55c0c212fde1 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -360,6 +360,20 @@ static struct platform_device rstc_device = {
 	.num_resources  = ARRAY_SIZE(rstc_resources),
 };
 
+static struct resource ramc_resources[] = {
+	[0] = {
+		.start  = AT91SAM9263_BASE_SDRAMC0,
+		.end    = AT91SAM9263_BASE_SDRAMC0 + SZ_512 - 1,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ramc_device = {
+	.name           = "at91-sam9260-ramc",
+	.resource       = ramc_resources,
+	.num_resources  = ARRAY_SIZE(ramc_resources),
+};
+
 static struct resource shdwc_resources[] = {
 	[0] = {
 		.start  = AT91SAM9263_BASE_SHDWC,
@@ -376,6 +390,7 @@ static struct platform_device shdwc_device = {
 
 static void __init at91sam9263_register_devices(void)
 {
+	platform_device_register(&ramc_device);
 	platform_device_register(&rstc_device);
 	platform_device_register(&shdwc_device);
 }
-- 
1.9.1


  parent reply	other threads:[~2014-10-21 21:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-21 21:55 [PATCH 0/8] ARM: at91: Remove mach/ includes from the reset driver Alexandre Belloni
2014-10-21 21:55 ` [PATCH 1/8] memory: atmel-sdramc: export a shutdown function Alexandre Belloni
2014-10-21 21:55 ` [PATCH 2/8] memory: atmel-sdramc: allow probing from pdata Alexandre Belloni
2014-10-21 21:55 ` Alexandre Belloni [this message]
2014-10-21 21:55 ` [PATCH 4/8] ARM: at91: sam9g45/sam9rl: probe the ramc driver Alexandre Belloni
2014-10-21 21:55 ` [PATCH 5/8] power: reset: at91-reset: use at91_ramc_shutdown Alexandre Belloni
2014-10-22  7:08   ` Thomas Petazzoni
2014-10-22  7:18     ` Alexandre Belloni
2014-10-21 21:55 ` [PATCH 6/8] ARM: at91: sam9: remove useless resource for rstc Alexandre Belloni
2014-10-21 21:55 ` [PATCH 7/8] ARM: at91: sam9g45/sam9rl: remove useless resources " Alexandre Belloni
2014-10-21 21:55 ` [PATCH 8/8] MAINTAINERS: add at91 power and memory entries Alexandre Belloni
2014-10-22  6:56   ` Ludovic Desroches

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