sh: sh2/sh2a 16-bit CMT platform data

This patch adds 16-bit cmt platform data for the following cpus:
 - sh7619 (2 channels)
 - sh7203/sh7263 (2 channels)
 - sh7206 (2 channels)

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

3 files changed, 252 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
index 0e32d8e448ca..d70c263eb07e 100644
--- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -12,6 +12,8 @@
 #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,
@@ -109,9 +111,75 @@ static struct platform_device eth_device = {
         .resource = eth_resources,
 };
 
+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  = 0xf84a0072,
+                .end    = 0xf84a0077,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 86,
+                .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  = 0xf84a0078,
+                .end    = 0xf84a007d,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 87,
+                .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 platform_device *sh7619_devices[] __initdata = {
         &sci_device,
         &eth_device,
+        &cmt0_device,
+        &cmt1_device,
 };
 
 static int __init sh7619_devices_setup(void)
@@ -125,3 +193,19 @@ void __init plat_irq_setup(void)
 {
         register_intc_controller(&intc_desc);
 }
+
+static struct platform_device *sh7619_early_devices[] __initdata = {
+        &cmt0_device,
+        &cmt1_device,
+};
+
+#define STBCR3 0xf80a0000
+
+void __init plat_early_device_setup(void)
+{
+        /* enable CMT clock */
+        __raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);
+
+        early_platform_add_devices(sh7619_early_devices,
+                                   ARRAY_SIZE(sh7619_early_devices));
+}
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index 820dfb2e8656..0836acee2289 100644
--- 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));
+}
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
index c46a8355726d..f9606e3d2515 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
@@ -12,6 +12,8 @@
 #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,
@@ -165,8 +167,74 @@ 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  = 140,
+                .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  = 144,
+                .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 platform_device *sh7206_devices[] __initdata = {
         &sci_device,
+        &cmt0_device,
+        &cmt1_device,
 };
 
 static int __init sh7206_devices_setup(void)
@@ -180,3 +248,19 @@ void __init plat_irq_setup(void)
 {
         register_intc_controller(&intc_desc);
 }
+
+static struct platform_device *sh7206_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(sh7206_early_devices,
+                                   ARRAY_SIZE(sh7206_early_devices));
+}