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Diffstat (limited to 'arch/sh/kernel/cpu/sh2a/setup-sh7203.c')
-rw-r--r--arch/sh/kernel/cpu/sh2a/setup-sh7203.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index 820dfb2e865..62e3039d239 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_timer.h>
+#include <linux/io.h>
enum {
UNUSED = 0,
@@ -205,6 +207,132 @@ static struct platform_device sci_device = {
},
};
+static struct sh_timer_config cmt0_platform_data = {
+ .name = "CMT0",
+ .channel_offset = 0x02,
+ .timer_bit = 0,
+ .clk = "peripheral_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_timer_config cmt1_platform_data = {
+ .name = "CMT1",
+ .channel_offset = 0x08,
+ .timer_bit = 1,
+ .clk = "peripheral_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 sh_timer_config mtu2_0_platform_data = {
+ .name = "MTU2_0",
+ .channel_offset = -0x80,
+ .timer_bit = 0,
+ .clk = "peripheral_clk",
+ .clockevent_rating = 200,
+};
+
+static struct resource mtu2_0_resources[] = {
+ [0] = {
+ .name = "MTU2_0",
+ .start = 0xfffe4300,
+ .end = 0xfffe4326,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 146,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mtu2_0_device = {
+ .name = "sh_mtu2",
+ .id = 0,
+ .dev = {
+ .platform_data = &mtu2_0_platform_data,
+ },
+ .resource = mtu2_0_resources,
+ .num_resources = ARRAY_SIZE(mtu2_0_resources),
+};
+
+static struct sh_timer_config mtu2_1_platform_data = {
+ .name = "MTU2_1",
+ .channel_offset = -0x100,
+ .timer_bit = 1,
+ .clk = "peripheral_clk",
+ .clockevent_rating = 200,
+};
+
+static struct resource mtu2_1_resources[] = {
+ [0] = {
+ .name = "MTU2_1",
+ .start = 0xfffe4380,
+ .end = 0xfffe4390,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 153,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mtu2_1_device = {
+ .name = "sh_mtu2",
+ .id = 1,
+ .dev = {
+ .platform_data = &mtu2_1_platform_data,
+ },
+ .resource = mtu2_1_resources,
+ .num_resources = ARRAY_SIZE(mtu2_1_resources),
+};
+
static struct resource rtc_resources[] = {
[0] = {
.start = 0xffff2000,
@@ -227,6 +355,10 @@ static struct platform_device rtc_device = {
static struct platform_device *sh7203_devices[] __initdata = {
&sci_device,
+ &cmt0_device,
+ &cmt1_device,
+ &mtu2_0_device,
+ &mtu2_1_device,
&rtc_device,
};
@@ -241,3 +373,25 @@ void __init plat_irq_setup(void)
{
register_intc_controller(&intc_desc);
}
+
+static struct platform_device *sh7203_early_devices[] __initdata = {
+ &cmt0_device,
+ &cmt1_device,
+ &mtu2_0_device,
+ &mtu2_1_device,
+};
+
+#define STBCR3 0xfffe0408
+#define STBCR4 0xfffe040c
+
+void __init plat_early_device_setup(void)
+{
+ /* enable CMT clock */
+ __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
+
+ /* enable MTU2 clock */
+ __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
+
+ early_platform_add_devices(sh7203_early_devices,
+ ARRAY_SIZE(sh7203_early_devices));
+}