linux-kernel - [PATCH 3/8] ARM: at91: sam9: probe the RAMC driver from pdata

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Date:	Tue, 21 Oct 2014 23:55:35 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Sebastian Reichel <sre@...nel.org>
Cc:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH 3/8] ARM: at91: sam9: probe the RAMC driver from pdata

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-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

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