diff options
Diffstat (limited to 'arch/sh/boards/renesas/r7780rp')
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/Makefile | 4 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/io.c | 2 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/irq.c | 10 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/psw.c | 122 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/setup.c | 31 |
5 files changed, 162 insertions, 7 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile index f1776d02797..574b0316ed5 100644 --- a/arch/sh/boards/renesas/r7780rp/Makefile +++ b/arch/sh/boards/renesas/r7780rp/Makefile @@ -3,4 +3,6 @@ # obj-y := setup.o io.o irq.o -obj-$(CONFIG_HEARTBEAT) += led.o + +obj-$(CONFIG_HEARTBEAT) += led.o +obj-$(CONFIG_PUSH_SWITCH) += psw.o diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c index db92d6e6ae9..311ccccba71 100644 --- a/arch/sh/boards/renesas/r7780rp/io.c +++ b/arch/sh/boards/renesas/r7780rp/io.c @@ -11,7 +11,7 @@ #include <linux/pci.h> #include <linux/kernel.h> #include <linux/types.h> -#include <asm/r7780rp/r7780rp.h> +#include <asm/r7780rp.h> #include <asm/addrspace.h> #include <asm/io.h> diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c index b544772cbc7..cc381e19778 100644 --- a/arch/sh/boards/renesas/r7780rp/irq.c +++ b/arch/sh/boards/renesas/r7780rp/irq.c @@ -10,7 +10,9 @@ */ #include <linux/init.h> #include <linux/irq.h> -#include <asm/io.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <asm/r7780rp.h> #ifdef CONFIG_SH_R7780MP static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0}; @@ -32,7 +34,7 @@ static void disable_r7780rp_irq(unsigned int irq) } static struct irq_chip r7780rp_irq_chip __read_mostly = { - .name = "r7780rp", + .name = "R7780RP", .mask = disable_r7780rp_irq, .unmask = enable_r7780rp_irq, .mask_ack = disable_r7780rp_irq, @@ -47,8 +49,8 @@ void __init init_r7780rp_IRQ(void) for (i = 0; i < 15; i++) { disable_irq_nosync(i); - set_irq_chip_and_handler(i, &r7780rp_irq_chip, - handle_level_irq); + set_irq_chip_and_handler_name(i, &r7780rp_irq_chip, + handle_level_irq, "level"); enable_r7780rp_irq(i); } } diff --git a/arch/sh/boards/renesas/r7780rp/psw.c b/arch/sh/boards/renesas/r7780rp/psw.c new file mode 100644 index 00000000000..c844dfa5d58 --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/psw.c @@ -0,0 +1,122 @@ +/* + * arch/sh/boards/renesas/r7780rp/psw.c + * + * push switch support for RDBRP-1/RDBREVRP-1 debug boards. + * + * Copyright (C) 2006 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/io.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <asm/mach/r7780rp.h> +#include <asm/push-switch.h> + +static irqreturn_t psw_irq_handler(int irq, void *arg) +{ + struct platform_device *pdev = arg; + struct push_switch *psw = platform_get_drvdata(pdev); + struct push_switch_platform_info *psw_info = pdev->dev.platform_data; + unsigned int l, mask; + int ret = 0; + + l = ctrl_inw(PA_DBSW); + + /* Nothing to do if there's no state change */ + if (psw->state) { + ret = 1; + goto out; + } + + mask = l & 0x70; + /* Figure out who raised it */ + if (mask & (1 << psw_info->bit)) { + psw->state = !!(mask & (1 << psw_info->bit)); + if (psw->state) /* debounce */ + mod_timer(&psw->debounce, jiffies + 50); + + ret = 1; + } + +out: + /* Clear the switch IRQs */ + l |= (0x7 << 12); + ctrl_outw(l, PA_DBSW); + + return IRQ_RETVAL(ret); +} + +static struct resource psw_resources[] = { + [0] = { + .start = IRQ_PSW, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct push_switch_platform_info s2_platform_data = { + .name = "s2", + .bit = 6, + .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | + IRQF_SHARED, + .irq_handler = psw_irq_handler, +}; + +static struct platform_device s2_switch_device = { + .name = "push-switch", + .id = 0, + .num_resources = ARRAY_SIZE(psw_resources), + .resource = psw_resources, + .dev = { + .platform_data = &s2_platform_data, + }, +}; + +static struct push_switch_platform_info s3_platform_data = { + .name = "s3", + .bit = 5, + .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | + IRQF_SHARED, + .irq_handler = psw_irq_handler, +}; + +static struct platform_device s3_switch_device = { + .name = "push-switch", + .id = 1, + .num_resources = ARRAY_SIZE(psw_resources), + .resource = psw_resources, + .dev = { + .platform_data = &s3_platform_data, + }, +}; + +static struct push_switch_platform_info s4_platform_data = { + .name = "s4", + .bit = 4, + .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | + IRQF_SHARED, + .irq_handler = psw_irq_handler, +}; + +static struct platform_device s4_switch_device = { + .name = "push-switch", + .id = 2, + .num_resources = ARRAY_SIZE(psw_resources), + .resource = psw_resources, + .dev = { + .platform_data = &s4_platform_data, + }, +}; + +static struct platform_device *psw_devices[] = { + &s2_switch_device, &s3_switch_device, &s4_switch_device, +}; + +static int __init psw_init(void) +{ + return platform_add_devices(psw_devices, ARRAY_SIZE(psw_devices)); +} +module_init(psw_init); diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c index b941aa0aa34..9f89c8de9db 100644 --- a/arch/sh/boards/renesas/r7780rp/setup.c +++ b/arch/sh/boards/renesas/r7780rp/setup.c @@ -13,7 +13,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <asm/machvec.h> -#include <asm/r7780rp/r7780rp.h> +#include <asm/r7780rp.h> #include <asm/clock.h> #include <asm/io.h> @@ -44,8 +44,37 @@ static struct platform_device m66596_usb_host_device = { .resource = m66596_usb_host_resources, }; +static struct resource cf_ide_resources[] = { + [0] = { + .start = 0x1f0, + .end = 0x1f0 + 8, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = 0x1f0 + 0x206, + .end = 0x1f0 + 8 + 0x206 + 8, + .flags = IORESOURCE_IO, + }, + [2] = { +#ifdef CONFIG_SH_R7780MP + .start = 1, +#else + .start = 4, +#endif + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device cf_ide_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(cf_ide_resources), + .resource = cf_ide_resources, +}; + static struct platform_device *r7780rp_devices[] __initdata = { &m66596_usb_host_device, + &cf_ide_device, }; static int __init r7780rp_devices_setup(void) |