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authorTony Lindgren <tony@atomide.com>2012-05-09 20:59:25 +0400
committerTony Lindgren <tony@atomide.com>2012-05-10 01:33:18 +0400
commit49b1a616a77d02b2b0034e0a5ad4bc2e565f2c58 (patch)
tree9c50704373f5c24d166220a23329b3d5bbe4ebf1 /arch/arm/mach-omap1
parentfcc76a85061d4dbc0accabe252c8f3496e72efe1 (diff)
downloadlinux-49b1a616a77d02b2b0034e0a5ad4bc2e565f2c58.tar.xz
ARM: OMAP1: Move omap_init_uwire to mach-omap1
This hardware exists on omap1 only and there's no need to keep it in plat-omap/devices.c. No functional changes. Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1')
-rw-r--r--arch/arm/mach-omap1/devices.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 51387a447cce..b853f6110a44 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -258,6 +258,49 @@ void __init omap1_camera_init(void *info)
static inline void omap_init_sti(void) {}
+/* Numbering for the SPI-capable controllers when used for SPI:
+ * spi = 1
+ * uwire = 2
+ * mmc1..2 = 3..4
+ * mcbsp1..3 = 5..7
+ */
+
+#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
+
+#define OMAP_UWIRE_BASE 0xfffb3000
+
+static struct resource uwire_resources[] = {
+ {
+ .start = OMAP_UWIRE_BASE,
+ .end = OMAP_UWIRE_BASE + 0x20,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device omap_uwire_device = {
+ .name = "omap_uwire",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(uwire_resources),
+ .resource = uwire_resources,
+};
+
+static void omap_init_uwire(void)
+{
+ /* FIXME define and use a boot tag; not all boards will be hooking
+ * up devices to the microwire controller, and multi-board configs
+ * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
+ */
+
+ /* board-specific code must configure chipselects (only a few
+ * are normally used) and SCLK/SDI/SDO (each has two choices).
+ */
+ (void) platform_device_register(&omap_uwire_device);
+}
+#else
+static inline void omap_init_uwire(void) {}
+#endif
+
+
/*
* This gets called after board-specific INIT_MACHINE, and initializes most
* on-chip peripherals accessible on this board (except for few like USB):
@@ -295,6 +338,7 @@ static int __init omap1_init_devices(void)
omap_init_rtc();
omap_init_spi100k();
omap_init_sti();
+ omap_init_uwire();
return 0;
}