sh: Finish the sh64 migration off of ARCH_USES_GETTIMEOFFSET.

This adds sh_tmu support to the SH-5 subtypes, which subsequently allows
us to kill off time_64.c and use the now generic time_32.c. As a bonus,
SH-5 now supports highres timers and tickless for the first time.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 118 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh5/setup-sh5.c b/arch/sh/kernel/cpu/sh5/setup-sh5.c
index 9a362c8f3fe9..678d69bdebba 100644
--- a/arch/sh/kernel/cpu/sh5/setup-sh5.c
+++ b/arch/sh/kernel/cpu/sh5/setup-sh5.c
@@ -13,6 +13,7 @@
 #include <linux/serial_sci.h>
 #include <linux/io.h>
 #include <linux/mm.h>
+#include <linux/sh_timer.h>
 #include <asm/addrspace.h>
 
 static struct plat_sci_port sci_platform_data[] = {
@@ -64,6 +65,110 @@ static struct platform_device rtc_device = {
         .resource       = rtc_resources,
 };
 
+#define TMU_BLOCK_OFF   0x01020000
+#define TMU_BASE        PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
+#define TMU0_BASE       (TMU_BASE + 0x8 + (0xc * 0x0))
+#define TMU1_BASE       (TMU_BASE + 0x8 + (0xc * 0x1))
+#define TMU2_BASE       (TMU_BASE + 0x8 + (0xc * 0x2))
+
+static struct sh_timer_config tmu0_platform_data = {
+        .name = "TMU0",
+        .channel_offset = 0x04,
+        .timer_bit = 0,
+        .clk = "module_clk",
+        .clockevent_rating = 200,
+};
+
+static struct resource tmu0_resources[] = {
+        [0] = {
+                .name   = "TMU0",
+                .start  = TMU0_BASE,
+                .end    = TMU0_BASE + 0xc - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_TUNI0,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu0_device = {
+        .name           = "sh_tmu",
+        .id             = 0,
+        .dev = {
+                .platform_data  = &tmu0_platform_data,
+        },
+        .resource       = tmu0_resources,
+        .num_resources  = ARRAY_SIZE(tmu0_resources),
+};
+
+static struct sh_timer_config tmu1_platform_data = {
+        .name = "TMU1",
+        .channel_offset = 0x10,
+        .timer_bit = 1,
+        .clk = "module_clk",
+        .clocksource_rating = 200,
+};
+
+static struct resource tmu1_resources[] = {
+        [0] = {
+                .name   = "TMU1",
+                .start  = TMU1_BASE,
+                .end    = TMU1_BASE + 0xc - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_TUNI1,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu1_device = {
+        .name           = "sh_tmu",
+        .id             = 1,
+        .dev = {
+                .platform_data  = &tmu1_platform_data,
+        },
+        .resource       = tmu1_resources,
+        .num_resources  = ARRAY_SIZE(tmu1_resources),
+};
+
+static struct sh_timer_config tmu2_platform_data = {
+        .name = "TMU2",
+        .channel_offset = 0x1c,
+        .timer_bit = 2,
+        .clk = "module_clk",
+};
+
+static struct resource tmu2_resources[] = {
+        [0] = {
+                .name   = "TMU2",
+                .start  = TMU2_BASE,
+                .end    = TMU2_BASE + 0xc - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_TUNI2,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device tmu2_device = {
+        .name           = "sh_tmu",
+        .id             = 2,
+        .dev = {
+                .platform_data  = &tmu2_platform_data,
+        },
+        .resource       = tmu2_resources,
+        .num_resources  = ARRAY_SIZE(tmu2_resources),
+};
+
+static struct platform_device *sh5_early_devices[] __initdata = {
+        &tmu0_device,
+        &tmu1_device,
+        &tmu2_device,
+};
+
 static struct platform_device *sh5_devices[] __initdata = {
         &sci_device,
         &rtc_device,
@@ -71,7 +176,20 @@ static struct platform_device *sh5_devices[] __initdata = {
 
 static int __init sh5_devices_setup(void)
 {
+        int ret;
+
+        ret = platform_add_devices(sh5_early_devices,
+                                   ARRAY_SIZE(sh5_early_devices));
+        if (unlikely(ret != 0))
+                return ret;
+
         return platform_add_devices(sh5_devices,
                                     ARRAY_SIZE(sh5_devices));
 }
 __initcall(sh5_devices_setup);
+
+void __init plat_early_device_setup(void)
+{
+        early_platform_add_devices(sh5_early_devices,
+                                   ARRAY_SIZE(sh5_early_devices));
+}