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

Alexandre Belloni
2014-10-21T21:58:33Z

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