sh: sh2/sh2a 16-bit CMT platform data

[safe/jmp/linux-2.6] / arch / sh / kernel / cpu / sh2a / setup-sh7203.c

diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index 820dfb2..0836ace 100644 (file)
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -11,6 +11,8 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/serial_sci.h>
+#include <linux/sh_cmt.h>
+#include <linux/io.h>
 
 enum {
        UNUSED = 0,
@@ -205,6 +207,70 @@ static struct platform_device sci_device = {
        },
 };
 
+static struct sh_cmt_config cmt0_platform_data = {
+       .name = "CMT0",
+       .channel_offset = 0x02,
+       .timer_bit = 0,
+       .clk = "module_clk",
+       .clockevent_rating = 125,
+       .clocksource_rating = 0, /* disabled due to code generation issues */
+};
+
+static struct resource cmt0_resources[] = {
+       [0] = {
+               .name   = "CMT0",
+               .start  = 0xfffec002,
+               .end    = 0xfffec007,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 142,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device cmt0_device = {
+       .name           = "sh_cmt",
+       .id             = 0,
+       .dev = {
+               .platform_data  = &cmt0_platform_data,
+       },
+       .resource       = cmt0_resources,
+       .num_resources  = ARRAY_SIZE(cmt0_resources),
+};
+
+static struct sh_cmt_config cmt1_platform_data = {
+       .name = "CMT1",
+       .channel_offset = 0x08,
+       .timer_bit = 1,
+       .clk = "module_clk",
+       .clockevent_rating = 125,
+       .clocksource_rating = 0, /* disabled due to code generation issues */
+};
+
+static struct resource cmt1_resources[] = {
+       [0] = {
+               .name   = "CMT1",
+               .start  = 0xfffec008,
+               .end    = 0xfffec00d,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 143,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device cmt1_device = {
+       .name           = "sh_cmt",
+       .id             = 1,
+       .dev = {
+               .platform_data  = &cmt1_platform_data,
+       },
+       .resource       = cmt1_resources,
+       .num_resources  = ARRAY_SIZE(cmt1_resources),
+};
+
 static struct resource rtc_resources[] = {
        [0] = {
                .start  = 0xffff2000,
@@ -227,6 +293,8 @@ static struct platform_device rtc_device = {
 
 static struct platform_device *sh7203_devices[] __initdata = {
        &sci_device,
+       &cmt0_device,
+       &cmt1_device,
        &rtc_device,
 };
 
@@ -241,3 +309,19 @@ void __init plat_irq_setup(void)
 {
        register_intc_controller(&intc_desc);
 }
+
+static struct platform_device *sh7203_early_devices[] __initdata = {
+       &cmt0_device,
+       &cmt1_device,
+};
+
+#define STBCR4 0xfffe040c
+
+void __init plat_early_device_setup(void)
+{
+       /* enable CMT clock */
+       __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
+
+       early_platform_add_devices(sh7203_early_devices,
+                                  ARRAY_SIZE(sh7203_early_devices));
+}