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authorSteven King <sfking@fdwdc.com>2012-06-17 01:03:38 -0700
committerGreg Ungerer <gerg@uclinux.org>2012-07-16 09:59:21 +1000
commitc785a3d728b44fb49bfff481042fe81973476809 (patch)
treefa99a5e06fd7244f1c3eb61c25b37c29deb93776 /arch/m68k
parent32234328e24a38d8f9c42bd534ebfbd73fce8435 (diff)
downloadlinux-c785a3d728b44fb49bfff481042fe81973476809.tar.bz2
m68knommu: Add rtc device for m5441x.
Add definitions for the m5441x rtc device and an init_BSP function to the m5441x device code. Signed-off-by: Steven King <sfking@fdwdc.com>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/include/asm/m5441xsim.h6
-rw-r--r--arch/m68k/platform/coldfire/clk.c13
-rw-r--r--arch/m68k/platform/coldfire/m5441x.c37
3 files changed, 49 insertions, 7 deletions
diff --git a/arch/m68k/include/asm/m5441xsim.h b/arch/m68k/include/asm/m5441xsim.h
index 86315a96604d..cc798ab9524b 100644
--- a/arch/m68k/include/asm/m5441xsim.h
+++ b/arch/m68k/include/asm/m5441xsim.h
@@ -180,6 +180,12 @@
#define MCFEPORT_EPPAR 0xfc090000
#define MCFEPORT_EPIER 0xfc090003
#define MCFEPORT_EPFR 0xfc090006
+/*
+ * RTC Module.
+ */
+#define MCFRTC_BASE 0xfc0a8000
+#define MCFRTC_SIZE (0xfc0a8840 - 0xfc0a8000)
+#define MCF_IRQ_RTC (MCFINT2_VECBASE + MCFINT2_RTC)
/*
* GPIO Module.
diff --git a/arch/m68k/platform/coldfire/clk.c b/arch/m68k/platform/coldfire/clk.c
index c06c0f4a0ffc..75f9ee967ea7 100644
--- a/arch/m68k/platform/coldfire/clk.c
+++ b/arch/m68k/platform/coldfire/clk.c
@@ -48,13 +48,6 @@ unsigned long clk_get_rate(struct clk *clk)
return MCF_CLK;
}
EXPORT_SYMBOL(clk_get_rate);
-
-struct clk *devm_clk_get(struct device *dev, const char *id)
-{
- return NULL;
-}
-EXPORT_SYMBOL(devm_clk_get);
-
#else
static DEFINE_SPINLOCK(clk_lock);
@@ -153,3 +146,9 @@ struct clk_ops clk_ops1 = {
};
#endif /* MCFPM_PPMCR1 */
#endif /* MCFPM_PPMCR0 */
+
+struct clk *devm_clk_get(struct device *dev, const char *id)
+{
+ return NULL;
+}
+EXPORT_SYMBOL(devm_clk_get);
diff --git a/arch/m68k/platform/coldfire/m5441x.c b/arch/m68k/platform/coldfire/m5441x.c
index 3020ceaba629..98a13cce93d8 100644
--- a/arch/m68k/platform/coldfire/m5441x.c
+++ b/arch/m68k/platform/coldfire/m5441x.c
@@ -222,3 +222,40 @@ void __init config_BSP(char *commandp, int size)
m5441x_uarts_init();
m5441x_fec_init();
}
+
+
+#if IS_ENABLED(CONFIG_RTC_DRV_M5441x)
+static struct resource m5441x_rtc_resources[] = {
+ {
+ .start = MCFRTC_BASE,
+ .end = MCFRTC_BASE + MCFRTC_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_RTC,
+ .end = MCF_IRQ_RTC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device m5441x_rtc = {
+ .name = "mcfrtc",
+ .id = 0,
+ .resource = m5441x_rtc_resources,
+ .num_resources = ARRAY_SIZE(m5441x_rtc_resources),
+};
+#endif
+
+static struct platform_device *m5441x_devices[] __initdata = {
+#if IS_ENABLED(CONFIG_RTC_DRV_M5441x)
+ &m5441x_rtc,
+#endif
+};
+
+static int __init init_BSP(void)
+{
+ platform_add_devices(m5441x_devices, ARRAY_SIZE(m5441x_devices));
+ return 0;
+}
+
+arch_initcall(init_BSP);