diff options
22 files changed, 724 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 184a6bd5482..55764a1c876 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -584,6 +584,11 @@ config ARCH_MSM interface to the ARM9 modem processor which runs the baseband stack and controls some vital subsystems (clock and power control, etc). +config ARCH_SHMOBILE + bool "Renesas SH-Mobile" + help + Support for Renesas's SH-Mobile ARM platforms + config ARCH_RPC bool "RiscPC" select ARCH_ACORN @@ -822,6 +827,8 @@ source "arch/arm/mach-s3c6400/Kconfig" source "arch/arm/mach-s3c6410/Kconfig" endif +source "arch/arm/mach-shmobile/Kconfig" + source "arch/arm/plat-stmp3xxx/Kconfig" if ARCH_S5PC1XX diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 356d702c080..177775fe514 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -165,6 +165,7 @@ machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410 machine-$(CONFIG_ARCH_S5PC1XX) := s5pc100 machine-$(CONFIG_ARCH_SA1100) := sa1100 machine-$(CONFIG_ARCH_SHARK) := shark +machine-$(CONFIG_ARCH_SHMOBILE) := shmobile machine-$(CONFIG_ARCH_STMP378X) := stmp378x machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx machine-$(CONFIG_ARCH_U300) := u300 diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig new file mode 100644 index 00000000000..8f4eb13b586 --- /dev/null +++ b/arch/arm/mach-shmobile/Kconfig @@ -0,0 +1,53 @@ +if ARCH_SHMOBILE + +comment "SH-Mobile System Type" + +config ARCH_SH7367 + bool "SH-Mobile G3 (SH7367)" + select CPU_V6 + select HAVE_CLK + select COMMON_CLKDEV + select GENERIC_TIME + select GENERIC_CLOCKEVENTS + +comment "SH-Mobile Board Type" + +config MACH_G3EVM + bool "G3EVM board" + depends on ARCH_SH7367 + +comment "SH-Mobile System Configuration" + +menu "Memory configuration" + +config MEMORY_START + hex "Physical memory start address" + default "0x50000000" if MACH_G3EVM + default "0x00000000" + ---help--- + Tweak this only when porting to a new machine which does not + already have a defconfig. Changing it from the known correct + value on any of the known systems will only lead to disaster. + +config MEMORY_SIZE + hex "Physical memory size" + default "0x08000000" if MACH_G3EVM + default "0x04000000" + help + This sets the default memory size assumed by your kernel. It can + be overridden as normal by the 'mem=' argument on the kernel command + line. + +endmenu + +menu "Timer and clock configuration" + +config SH_TIMER_CMT + bool "CMT timer driver" + default y + help + This enables build of the CMT timer driver. + +endmenu + +endif diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile new file mode 100644 index 00000000000..3eca521853d --- /dev/null +++ b/arch/arm/mach-shmobile/Makefile @@ -0,0 +1,12 @@ +# +# Makefile for the linux kernel. +# + +# Common objects +obj-y := timer.o + +# CPU objects +obj-$(CONFIG_ARCH_SH7367) += setup-sh7367.o clock-sh7367.o + +# Board objects +obj-$(CONFIG_MACH_G3EVM) += board-g3evm.o diff --git a/arch/arm/mach-shmobile/Makefile.boot b/arch/arm/mach-shmobile/Makefile.boot new file mode 100644 index 00000000000..1c08ee9de86 --- /dev/null +++ b/arch/arm/mach-shmobile/Makefile.boot @@ -0,0 +1,9 @@ +__ZRELADDR := $(shell /bin/bash -c 'printf "0x%08x" \ + $$[$(CONFIG_MEMORY_START) + 0x8000]') + + zreladdr-y := $(__ZRELADDR) + +# Unsupported legacy stuff +# +#params_phys-y (Instead: Pass atags pointer in r2) +#initrd_phys-y (Instead: Use compiled-in initramfs) diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c new file mode 100644 index 00000000000..b4b202718e4 --- /dev/null +++ b/arch/arm/mach-shmobile/board-g3evm.c @@ -0,0 +1,127 @@ +/* + * G3EVM board support + * + * Copyright (C) 2010 Magnus Damm + * Copyright (C) 2008 Yoshihiro Shimoda + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/io.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +static struct mtd_partition nor_flash_partitions[] = { + { + .name = "loader", + .offset = 0x00000000, + .size = 512 * 1024, + }, + { + .name = "bootenv", + .offset = MTDPART_OFS_APPEND, + .size = 512 * 1024, + }, + { + .name = "kernel_ro", + .offset = MTDPART_OFS_APPEND, + .size = 8 * 1024 * 1024, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = 8 * 1024 * 1024, + }, + { + .name = "data", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct physmap_flash_data nor_flash_data = { + .width = 2, + .parts = nor_flash_partitions, + .nr_parts = ARRAY_SIZE(nor_flash_partitions), +}; + +static struct resource nor_flash_resources[] = { + [0] = { + .start = 0x00000000, + .end = 0x08000000 - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device nor_flash_device = { + .name = "physmap-flash", + .dev = { + .platform_data = &nor_flash_data, + }, + .num_resources = ARRAY_SIZE(nor_flash_resources), + .resource = nor_flash_resources, +}; + + +static struct platform_device *g3evm_devices[] __initdata = { + &nor_flash_device, +}; + +static struct map_desc g3evm_io_desc[] __initdata = { + /* create a 1:1 entity map for 0xe6xxxxxx + * used by CPGA, INTC and PFC. + */ + { + .virtual = 0xe6000000, + .pfn = __phys_to_pfn(0xe6000000), + .length = 256 << 20, + .type = MT_DEVICE_NONSHARED + }, +}; + +static void __init g3evm_map_io(void) +{ + iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc)); + + /* setup early devices and clocks here as well */ + sh7367_add_early_devices(); + sh7367_clock_init(); +} + +static void __init g3evm_init(void) +{ + sh7367_add_standard_devices(); + + platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices)); +} + +MACHINE_START(G3EVM, "g3evm") + .phys_io = 0xe6000000, + .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, + .map_io = g3evm_map_io, + .init_irq = sh7367_init_irq, + .init_machine = g3evm_init, + .timer = &shmobile_timer, +MACHINE_END diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c new file mode 100644 index 00000000000..3b2e3f2fc7e --- /dev/null +++ b/arch/arm/mach-shmobile/clock-sh7367.c @@ -0,0 +1,89 @@ +/* + * Preliminary clock framework support for sh7367 + * + * Copyright (C) 2010 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/clk.h> + +struct clk { + const char *name; + unsigned long rate; +}; + +#include <asm/clkdev.h> + +int __clk_get(struct clk *clk) +{ + return 1; +} +EXPORT_SYMBOL(__clk_get); + +void __clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(__clk_put); + + +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return clk ? clk->rate : 0; +} +EXPORT_SYMBOL(clk_get_rate); + +/* a static peripheral clock for now - enough to get sh-sci working */ +static struct clk peripheral_clk = { + .name = "peripheral_clk", + .rate = 48000000, +}; + +/* a static rclk for now - enough to get sh_cmt working */ +static struct clk r_clk = { + .name = "r_clk", + .rate = 32768, +}; + +static struct clk_lookup lookups[] = { + { + .clk = &peripheral_clk, + }, { + .clk = &r_clk, + } +}; + +void __init sh7367_clock_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(lookups); i++) { + lookups[i].con_id = lookups[i].clk->name; + clkdev_add(&lookups[i]); + } +} diff --git a/arch/arm/mach-shmobile/include/mach/clkdev.h b/arch/arm/mach-shmobile/include/mach/clkdev.h new file mode 100644 index 00000000000..36d0163a857 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/clkdev.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_CLKDEV_H +#define __ASM_MACH_CLKDEV_H + +int __clk_get(struct clk *clk); +void __clk_put(struct clk *clk); + +#endif /* __ASM_MACH_CLKDEV_H */ diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h new file mode 100644 index 00000000000..d771afa79eb --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -0,0 +1,11 @@ +#ifndef __ARCH_MACH_COMMON_H +#define __ARCH_MACH_COMMON_H + +extern struct sys_timer shmobile_timer; + +extern void sh7367_init_irq(void); +extern void sh7367_add_early_devices(void); +extern void sh7367_add_standard_devices(void); +extern void sh7367_clock_init(void); + +#endif /* __ARCH_MACH_COMMON_H */ diff --git a/arch/arm/mach-shmobile/include/mach/dma.h b/arch/arm/mach-shmobile/include/mach/dma.h new file mode 100644 index 00000000000..40a8c178f10 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/dma.h @@ -0,0 +1 @@ +/* empty */ diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S new file mode 100644 index 00000000000..796b304050c --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2008 Renesas Solutions Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <mach/hardware.h> +#include <mach/irqs.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =INTFLGA + ldr \irqnr, [\base] + cmp \irqnr, #0 + beq 1000f + /* intevt to irq number */ + lsr \irqnr, \irqnr, #0x5 + subs \irqnr, \irqnr, #16 + +1000: + .endm diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h new file mode 100644 index 00000000000..40a8c178f10 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/gpio.h @@ -0,0 +1 @@ +/* empty */ diff --git a/arch/arm/mach-shmobile/include/mach/hardware.h b/arch/arm/mach-shmobile/include/mach/hardware.h new file mode 100644 index 00000000000..3f0ef194603 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/hardware.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_HARDWARE_H +#define __ASM_MACH_HARDWARE_H + +/* INTFLGA register - used by low level interrupt code in entry-macro.S */ +#define INTFLGA 0xe6980018 + +#endif /* __ASM_MACH_HARDWARE_H */ diff --git a/arch/arm/mach-shmobile/include/mach/io.h b/arch/arm/mach-shmobile/include/mach/io.h new file mode 100644 index 00000000000..7339fe46cb7 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/io.h @@ -0,0 +1,9 @@ +#ifndef __ASM_MACH_IO_H +#define __ASM_MACH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) ((void __iomem *)(a)) +#define __mem_pci(a) (a) + +#endif /* __ASM_MACH_IO_H */ diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h new file mode 100644 index 00000000000..5179b72e1ee --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/irqs.h @@ -0,0 +1,10 @@ +#ifndef __ASM_MACH_IRQS_H +#define __ASM_MACH_IRQS_H + +#define NR_IRQS 512 +#define NR_IRQS_LEGACY 8 + +#define evt2irq(evt) (((evt) >> 5) - 16) +#define irq2evt(irq) (((irq) + 16) << 5) + +#endif /* __ASM_MACH_IRQS_H */ diff --git a/arch/arm/mach-shmobile/include/mach/memory.h b/arch/arm/mach-shmobile/include/mach/memory.h new file mode 100644 index 00000000000..e188183f4dc --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/memory.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_MEMORY_H +#define __ASM_MACH_MEMORY_H + +#define PHYS_OFFSET UL(CONFIG_MEMORY_START) +#define MEM_SIZE UL(CONFIG_MEMORY_SIZE) + +#endif /* __ASM_MACH_MEMORY_H */ diff --git a/arch/arm/mach-shmobile/include/mach/system.h b/arch/arm/mach-shmobile/include/mach/system.h new file mode 100644 index 00000000000..76a687eeaa2 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/system.h @@ -0,0 +1,14 @@ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode, const char *cmd) +{ + cpu_reset(0); +} + +#endif diff --git a/arch/arm/mach-shmobile/include/mach/timex.h b/arch/arm/mach-shmobile/include/mach/timex.h new file mode 100644 index 00000000000..ae0d8d825c2 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/timex.h @@ -0,0 +1,6 @@ +#ifndef __ASM_MACH_TIMEX_H +#define __ASM_MACH_TIMEX_H + +#define CLOCK_TICK_RATE 1193180 /* unused i8253 PIT value */ + +#endif /* __ASM_MACH_TIMEX_H */ diff --git a/arch/arm/mach-shmobile/include/mach/uncompress.h b/arch/arm/mach-shmobile/include/mach/uncompress.h new file mode 100644 index 00000000000..0bd7556b138 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/uncompress.h @@ -0,0 +1,21 @@ +#ifndef __ASM_MACH_UNCOMPRESS_H +#define __ASM_MACH_UNCOMPRESS_H + +/* + * This does not append a newline + */ +static void putc(int c) +{ +} + +static inline void flush(void) +{ +} + +static void arch_decomp_setup(void) +{ +} + +#define arch_decomp_wdog() + +#endif /* __ASM_MACH_UNCOMPRESS_H */ diff --git a/arch/arm/mach-shmobile/include/mach/vmalloc.h b/arch/arm/mach-shmobile/include/mach/vmalloc.h new file mode 100644 index 00000000000..fb3c4f1ab25 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/vmalloc.h @@ -0,0 +1,6 @@ +#ifndef __ASM_MACH_VMALLOC_H +#define __ASM_MACH_VMALLOC_H + +#define VMALLOC_END (PAGE_OFFSET + 0x24000000) + +#endif /* __ASM_MACH_VMALLOC_H */ diff --git a/arch/arm/mach-shmobile/setup-sh7367.c b/arch/arm/mach-shmobile/setup-sh7367.c new file mode 100644 index 00000000000..840e5bcf2d6 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-sh7367.c @@ -0,0 +1,241 @@ +/* + * sh7367 processor support + * + * Copyright (C) 2010 Magnus Damm + * Copyright (C) 2008 Yoshihiro Shimoda + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/serial_sci.h> +#include <linux/sh_intc.h> +#include <linux/sh_timer.h> +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +static struct plat_sci_port scif0_platform_data = { + .mapbase = 0xe6c40000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 80, 80, 80, 80 }, +}; + +static struct platform_device scif0_device = { + .name = "sh-sci", + .id = 0, + .dev = { + .platform_data = &scif0_platform_data, + }, +}; + +static struct plat_sci_port scif1_platform_data = { + .mapbase = 0xe6c50000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 81, 81, 81, 81 }, +}; + +static struct platform_device scif1_device = { + .name = "sh-sci", + .id = 1, + .dev = { + .platform_data = &scif1_platform_data, + }, +}; + +static struct plat_sci_port scif2_platform_data = { + .mapbase = 0xe6c60000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 82, 82, 82, 82 }, +}; + +static struct platform_device scif2_device = { + .name = "sh-sci", + .id = 2, + .dev = { + .platform_data = &scif2_platform_data, + }, +}; + +static struct plat_sci_port scif3_platform_data = { + .mapbase = 0xe6c70000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 83, 83, 83, 83 }, +}; + +static struct platform_device scif3_device = { + .name = "sh-sci", + .id = 3, + .dev = { + .platform_data = &scif3_platform_data, + }, +}; + +static struct plat_sci_port scif4_platform_data = { + .mapbase = 0xe6c80000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 89, 89, 89, 89 }, +}; + +static struct platform_device scif4_device = { + .name = "sh-sci", + .id = 4, + .dev = { + .platform_data = &scif4_platform_data, + }, +}; + +static struct plat_sci_port scif5_platform_data = { + .mapbase = 0xe6cb0000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 90, 90, 90, 90 }, +}; + +static struct platform_device scif5_device = { + .name = "sh-sci", + .id = 5, + .dev = { + .platform_data = &scif5_platform_data, + }, +}; + +static struct plat_sci_port scif6_platform_data = { + .mapbase = 0xe6c30000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 91, 91, 91, 91 }, +}; + +static struct platform_device scif6_device = { + .name = "sh-sci", + .id = 6, + .dev = { + .platform_data = &scif6_platform_data, + }, +}; + +static struct sh_timer_config cmt10_platform_data = { + .name = "CMT10", + .channel_offset = 0x10, + .timer_bit = 0, + .clk = "r_clk", + .clockevent_rating = 125, + .clocksource_rating = 125, +}; + +static struct resource cmt10_resources[] = { + [0] = { + .name = "CMT10", + .start = 0xe6138010, + .end = 0xe613801b, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 72, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device cmt10_device = { + .name = "sh_cmt", + .id = 10, + .dev = { + .platform_data = &cmt10_platform_data, + }, + .resource = cmt10_resources, + .num_resources = ARRAY_SIZE(cmt10_resources), +}; + +static struct platform_device *sh7367_early_devices[] __initdata = { + &scif0_device, + &scif1_device, + &scif2_device, + &scif3_device, + &scif4_device, + &scif5_device, + &scif6_device, + &cmt10_device, +}; + +void __init sh7367_add_standard_devices(void) +{ + platform_add_devices(sh7367_early_devices, + ARRAY_SIZE(sh7367_early_devices)); +} + +#define SYMSTPCR2 0xe6158048 +#define SYMSTPCR2_CMT1 (1 << 29) + +void __init sh7367_add_early_devices(void) +{ + /* enable clock to CMT1 */ + __raw_writel(__raw_readl(SYMSTPCR2) & ~SYMSTPCR2_CMT1, SYMSTPCR2); + + early_platform_add_devices(sh7367_early_devices, + ARRAY_SIZE(sh7367_early_devices)); +} + +enum { + UNUSED = 0, + + /* interrupt sources INTCA */ + + SCIFA0, SCIFA1, SCIFA2, SCIFA3, SCIFA4, SCIFA5, SCIFB, + CMT10, +}; + +static struct intc_vect vectors[] = { + INTC_VECT(CMT10, 0xb00), + INTC_VECT(SCIFA0, 0xc00), INTC_VECT(SCIFA1, 0xc20), + INTC_VECT(SCIFA2, 0xc40), INTC_VECT(SCIFA3, 0xc60), + INTC_VECT(SCIFA4, 0xd20), INTC_VECT(SCIFA5, 0xd40), + INTC_VECT(SCIFB, 0xd60), +}; + +static struct intc_mask_reg mask_registers[] = { + { 0xe6940094, 0xe69400d4, 8, /* IMR5A / IMCR5A */ + { 0, 0, 0, 0, SCIFA3, SCIFA2, SCIFA1, SCIFA0 } }, + { 0xe6940098, 0xe69400d8, 8, /* IMR6A / IMCR6A */ + { SCIFB, SCIFA5, SCIFA4, 0, 0, 0, 0, 0 } }, + { 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */ + { 0, 0, 0, CMT10, 0, 0, 0, 0 } }, +}; + +static struct intc_prio_reg prio_registers[] = { + { 0xe6940014, 0, 16, 4, /* IPRFA */ { 0, 0, 0, CMT10 } }, + { 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1, + SCIFA2, SCIFA3 } }, + { 0xe6940020, 0, 16, 4, /* IPRIA */ { 0, SCIFA4, 0, 0 } }, + { 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, 0, 0 } }, +}; + +static DECLARE_INTC_DESC(intc_desc, "sh7367", vectors, NULL, mask_registers, + prio_registers, NULL); + +void __init sh7367_init_irq(void) +{ + register_intc_controller(&intc_desc); +} diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c new file mode 100644 index 00000000000..895794b543c --- /dev/null +++ b/arch/arm/mach-shmobile/timer.c @@ -0,0 +1,46 @@ +/* + * SH-Mobile Timer + * + * Copyright (C) 2010 Magnus Damm + * Copyright (C) 2002 - 2009 Paul Mundt + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ +#include <linux/platform_device.h> +#include <asm/mach/time.h> + +static void __init shmobile_late_time_init(void) +{ + /* + * Make sure all compiled-in early timers register themselves. + * + * Run probe() for two "earlytimer" devices, these will be the + * clockevents and clocksource devices respectively. In the event + * that only a clockevents device is available, we -ENODEV on the + * clocksource and the jiffies clocksource is used transparently + * instead. No error handling is necessary here. + */ + early_platform_driver_register_all("earlytimer"); + early_platform_driver_probe("earlytimer", 2, 0); +} + +static void __init shmobile_timer_init(void) +{ + late_time_init = shmobile_late_time_init; +} + +struct sys_timer shmobile_timer = { + .init = shmobile_timer_init, +}; |