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authorOlof Johansson <olof@lixom.net>2012-09-20 13:19:32 -0700
committerOlof Johansson <olof@lixom.net>2012-09-20 13:22:20 -0700
commit2843c7d2c03da38dfb14102254d0c767d2483349 (patch)
tree8698671fd889ed9d6237cf9ea093e8bb1fc999b3 /arch/arm/mach-omap2/gpmc-onenand.c
parent084cfebc03ede864835594181210b501aa9f1933 (diff)
parent6bfc82ff589a00e5fbc12b958c649d703d273c86 (diff)
Merge tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Device tree related changes for omaps. Note that this branch is based on omap-cleanup-sparseirq-for-v3.7 to avoid merge conflicts with the sparseirq changes for gpio-twl4030 driver. * tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: arm/dts: Mux uart pins for omap4-sdp ARM: OMAP2+: select PINCTRL in Kconfig arm/dts: Add pinctrl driver entries for omap2/3/4 arm/dts: Add omap36xx.dtsi file and rename omap3-beagle to omap3-beagle-xm ARM: dts: omap3-overo: Add support for the blue LED Documentation: dt: Update the OMAP documentation with Overo/Toby ARM: dts: OMAP3: Add support for Gumstix Overo with Tobi expansion board ARM: dts: OMAP4: Add reg and interrupts for every nodes ARM: dts: AM33XX: Specify reg and interrupt property for all nodes ARM: dts: AM33XX: Convert all hex numbers to lower-case ARM: dts: omap3-beagle: Enable audio support ARM: dts: omap5: Add McPDM and DMIC section to the dtsi file ARM: dts: omap5: Add McBSP entries ARM: dts: omap4: Add reg-names for McPDM and DMIC ARM: dts: omap4: Add McBSP entries ARM: dts: omap3: Add McBSP entries ARM: dts: omap2420-h4: Include omap2420.dtsi file instead the common omap2 ARM: dts: omap2: Add McBSP entries for OMAP2420 and OMAP2430 SoC ARM: dts: omap3-beagle: Add heartbeat and mmc LEDs support ARM: dts: omap3: Add gpio-twl4030 properties for BeagleBoard and omap3-EVM ...
Diffstat (limited to 'arch/arm/mach-omap2/gpmc-onenand.c')
-rw-r--r--arch/arm/mach-omap2/gpmc-onenand.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index a0fa9bb2bda..b66fb8e5faa 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -18,16 +18,24 @@
#include <asm/mach/flash.h>
-#include <plat/cpu.h>
#include <plat/onenand.h>
-#include <plat/board.h>
#include <plat/gpmc.h>
+#include "soc.h"
+
+#define ONENAND_IO_SIZE SZ_128K
+
static struct omap_onenand_platform_data *gpmc_onenand_data;
+static struct resource gpmc_onenand_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
static struct platform_device gpmc_onenand_device = {
.name = "omap2-onenand",
.id = -1,
+ .num_resources = 1,
+ .resource = &gpmc_onenand_resource,
};
static int omap2_onenand_set_async_mode(int cs, void __iomem *onenand_base)
@@ -390,6 +398,8 @@ static int gpmc_onenand_setup(void __iomem *onenand_base, int *freq_ptr)
void __init gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
{
+ int err;
+
gpmc_onenand_data = _onenand_data;
gpmc_onenand_data->onenand_setup = gpmc_onenand_setup;
gpmc_onenand_device.dev.platform_data = gpmc_onenand_data;
@@ -401,8 +411,19 @@ void __init gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
gpmc_onenand_data->flags |= ONENAND_SYNC_READ;
}
+ err = gpmc_cs_request(gpmc_onenand_data->cs, ONENAND_IO_SIZE,
+ (unsigned long *)&gpmc_onenand_resource.start);
+ if (err < 0) {
+ pr_err("%s: Cannot request GPMC CS\n", __func__);
+ return;
+ }
+
+ gpmc_onenand_resource.end = gpmc_onenand_resource.start +
+ ONENAND_IO_SIZE - 1;
+
if (platform_device_register(&gpmc_onenand_device) < 0) {
- printk(KERN_ERR "Unable to register OneNAND device\n");
+ pr_err("%s: Unable to register OneNAND device\n", __func__);
+ gpmc_cs_free(gpmc_onenand_data->cs);
return;
}
}