diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh2a/setup-sh7203.c')
-rw-r--r-- | arch/sh/kernel/cpu/sh2a/setup-sh7203.c | 154 |
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 820dfb2e8656..62e3039d2398 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)); +} |