hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

sh: TMU platform data for sh7722 

This patch adds TMU platform data for sh7722. Only clockevent
mode is enabled for now, clocksource requires this patch:
"clocksource: setup mult_orig in clocksource_enable()"

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2009-05-01 06:58:52 +00:00 committed by Paul Mundt
parent 9570ef2042
commit d43a41bf8b
2 changed files with 100 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/sh/Kconfig
View File

@ -423,6 +423,7 @@ config CPU_SUBTYPE_SH7722
select ARCH_SPARSEMEM_ENABLE select ARCH_SPARSEMEM_ENABLE
select SYS_SUPPORTS_NUMA select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_CMT select SYS_SUPPORTS_CMT
select SYS_SUPPORTS_TMU
config CPU_SUBTYPE_SH7366 config CPU_SUBTYPE_SH7366
bool "Support SH7366 processor" bool "Support SH7366 processor"

99
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
View File

@ -14,6 +14,7 @@
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/uio_driver.h> #include <linux/uio_driver.h>
#include <linux/sh_cmt.h> #include <linux/sh_cmt.h>
#include <linux/sh_tmu.h>
#include <asm/clock.h> #include <asm/clock.h>
#include <asm/mmzone.h> #include <asm/mmzone.h>
@ -209,6 +210,98 @@ static struct platform_device cmt_device = {
.num_resources = ARRAY_SIZE(cmt_resources), .num_resources = ARRAY_SIZE(cmt_resources),
}; };
static struct sh_tmu_config tmu0_platform_data = {
.name = "TMU0",
.channel_offset = 0x04,
.timer_bit = 0,
.clk = "tmu0",
.clockevent_rating = 200,
};
static struct resource tmu0_resources[] = {
[0] = {
.name = "TMU0",
.start = 0xffd80008,
.end = 0xffd80013,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 16,
.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_tmu_config tmu1_platform_data = {
.name = "TMU1",
.channel_offset = 0x10,
.timer_bit = 1,
.clk = "tmu0",
.clocksource_rating = 0, /* disabled for now */
};
static struct resource tmu1_resources[] = {
[0] = {
.name = "TMU1",
.start = 0xffd80014,
.end = 0xffd8001f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 17,
.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_tmu_config tmu2_platform_data = {
.name = "TMU2",
.channel_offset = 0x1c,
.timer_bit = 2,
.clk = "tmu0",
};
static struct resource tmu2_resources[] = {
[0] = {
.name = "TMU2",
.start = 0xffd80020,
.end = 0xffd8002b,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 18,
.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 plat_sci_port sci_platform_data[] = { static struct plat_sci_port sci_platform_data[] = {
{ {
.mapbase = 0xffe00000, .mapbase = 0xffe00000,
@ -243,6 +336,9 @@ static struct platform_device sci_device = {
static struct platform_device *sh7722_devices[] __initdata = { static struct platform_device *sh7722_devices[] __initdata = {
&cmt_device, &cmt_device,
&tmu0_device,
&tmu1_device,
&tmu2_device,
&rtc_device, &rtc_device,
&usbf_device, &usbf_device,
&iic_device, &iic_device,
@ -271,6 +367,9 @@ __initcall(sh7722_devices_setup);
static struct platform_device *sh7722_early_devices[] __initdata = { static struct platform_device *sh7722_early_devices[] __initdata = {
&cmt_device, &cmt_device,
&tmu0_device,
&tmu1_device,
&tmu2_device,
}; };
void __init plat_early_device_setup(void) void __init plat_early_device_setup(void)