diff options
Diffstat (limited to 'arch/arm/mach-ks8695')
| -rw-r--r-- | arch/arm/mach-ks8695/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/board-dsm320.c | 131 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/board-micrel.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/devices.c | 39 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/gpio.c | 44 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/dma.h | 17 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/gpio.h | 49 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/io.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/memory.h | 5 |
10 files changed, 208 insertions, 91 deletions
diff --git a/arch/arm/mach-ks8695/Kconfig b/arch/arm/mach-ks8695/Kconfig index ce1cf8de2b4..2754daabda5 100644 --- a/arch/arm/mach-ks8695/Kconfig +++ b/arch/arm/mach-ks8695/Kconfig @@ -8,6 +8,12 @@ config MACH_KS8695 Say 'Y' here if you want your kernel to run on the original Kendin-Micrel KS8695 development board. +config MACH_DSM320 + bool "DSM-320 Wireless Media Player" + help + Say 'Y' here if you want your kernel to run on the D-Link + DSM-320 Wireless Media Player. + endmenu endif diff --git a/arch/arm/mach-ks8695/Makefile b/arch/arm/mach-ks8695/Makefile index ade42b73afb..f735d2cc029 100644 --- a/arch/arm/mach-ks8695/Makefile +++ b/arch/arm/mach-ks8695/Makefile @@ -16,3 +16,4 @@ obj-$(CONFIG_LEDS) += leds.o # Board-specific support obj-$(CONFIG_MACH_KS8695) += board-micrel.o +obj-$(CONFIG_MACH_DSM320) += board-dsm320.o diff --git a/arch/arm/mach-ks8695/board-dsm320.c b/arch/arm/mach-ks8695/board-dsm320.c new file mode 100644 index 00000000000..521ff0789f3 --- /dev/null +++ b/arch/arm/mach-ks8695/board-dsm320.c @@ -0,0 +1,131 @@ +/* + * arch/arm/mach-ks8695/board-dsm320.c + * + * DSM-320 D-Link Wireless Media Player, board support. + * + * Copyright 2008 Simtec Electronics + * Daniel Silverstone <dsilvers@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/platform_device.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach-types.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/devices.h> +#include <mach/gpio.h> + +#include "generic.h" + +#ifdef CONFIG_PCI +static int dsm320_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + switch (slot) { + case 0: + /* PCI-AHB bridge? */ + return KS8695_IRQ_EXTERN0; + case 18: + /* Mini PCI slot */ + return KS8695_IRQ_EXTERN2; + case 20: + /* RealMAGIC chip */ + return KS8695_IRQ_EXTERN0; + } + BUG(); +} + +static struct ks8695_pci_cfg __initdata dsm320_pci = { + .mode = KS8695_MODE_MINIPCI, + .map_irq = dsm320_pci_map_irq, +}; + +static void __init dsm320_register_pci(void) +{ + /* Initialise the GPIO lines for interrupt mode */ + /* RealMAGIC */ + ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW); + /* MiniPCI Slot */ + ks8695_gpio_interrupt(KS8695_GPIO_2, IRQ_TYPE_LEVEL_LOW); + + ks8695_init_pci(&dsm320_pci); +} + +#else +static inline void __init dsm320_register_pci(void) { } +#endif + +static struct physmap_flash_data dsm320_nor_pdata = { + .width = 4, + .nr_parts = 0, +}; + +static struct resource dsm320_nor_resource[] = { + [0] = { + .start = SZ_32M, /* We expect the bootloader to map + * the flash here. + */ + .end = SZ_32M + SZ_4M - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device dsm320_device_nor = { + .name = "physmap-flash", + .id = -1, + .num_resources = ARRAY_SIZE(dsm320_nor_resource), + .resource = dsm320_nor_resource, + .dev = { + .platform_data = &dsm320_nor_pdata, + }, +}; + +void __init dsm320_register_nor(void) +{ + int ret; + + ret = platform_device_register(&dsm320_device_nor); + if (ret < 0) + printk(KERN_ERR "failed to register physmap-flash device\n"); +} + +static void __init dsm320_init(void) +{ + /* GPIO registration */ + ks8695_register_gpios(); + + /* PCI registration */ + dsm320_register_pci(); + + /* Network device */ + ks8695_add_device_lan(); /* eth0 = LAN */ + + /* NOR devices */ + dsm320_register_nor(); +} + +MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player") + /* Maintainer: Simtec Electronics. */ + .phys_io = KS8695_IO_PA, + .io_pg_offst = (KS8695_IO_VA >> 18) & 0xfffc, + .boot_params = KS8695_SDRAM_PA + 0x100, + .map_io = ks8695_map_io, + .init_irq = ks8695_init_irq, + .init_machine = dsm320_init, + .timer = &ks8695_timer, +MACHINE_END diff --git a/arch/arm/mach-ks8695/board-micrel.c b/arch/arm/mach-ks8695/board-micrel.c index 0468e93b7d3..8ceaf5ac6e2 100644 --- a/arch/arm/mach-ks8695/board-micrel.c +++ b/arch/arm/mach-ks8695/board-micrel.c @@ -18,6 +18,7 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> +#include <mach/gpio.h> #include <mach/devices.h> #include "generic.h" @@ -39,6 +40,8 @@ static void __init micrel_init(void) { printk(KERN_INFO "Micrel KS8695 Development Board initializing\n"); + ks8695_register_gpios(); + #ifdef CONFIG_PCI ks8695_init_pci(&micrel_pci); #endif diff --git a/arch/arm/mach-ks8695/devices.c b/arch/arm/mach-ks8695/devices.c index 4bd251482c8..b89fb6d46cc 100644 --- a/arch/arm/mach-ks8695/devices.c +++ b/arch/arm/mach-ks8695/devices.c @@ -22,22 +22,24 @@ #include <linux/platform_device.h> +#include <mach/irqs.h> #include <mach/regs-wan.h> #include <mach/regs-lan.h> #include <mach/regs-hpna.h> +#include <mach/regs-switch.h> +#include <mach/regs-misc.h> /* -------------------------------------------------------------------- * Ethernet * -------------------------------------------------------------------- */ -#if defined(CONFIG_ARM_KS8695_ETHER) || defined(CONFIG_ARM_KS8695_ETHER_MODULE) static u64 eth_dmamask = 0xffffffffUL; static struct resource ks8695_wan_resources[] = { [0] = { - .start = KS8695_WAN_VA, - .end = KS8695_WAN_VA + 0x00ff, + .start = KS8695_WAN_PA, + .end = KS8695_WAN_PA + 0x00ff, .flags = IORESOURCE_MEM, }, [1] = { @@ -58,6 +60,12 @@ static struct resource ks8695_wan_resources[] = { .end = KS8695_IRQ_WAN_LINK, .flags = IORESOURCE_IRQ, }, + [4] = { + .name = "WAN PHY", + .start = KS8695_MISC_PA, + .end = KS8695_MISC_PA + 0x1f, + .flags = IORESOURCE_MEM, + }, }; static struct platform_device ks8695_wan_device = { @@ -74,8 +82,8 @@ static struct platform_device ks8695_wan_device = { static struct resource ks8695_lan_resources[] = { [0] = { - .start = KS8695_LAN_VA, - .end = KS8695_LAN_VA + 0x00ff, + .start = KS8695_LAN_PA, + .end = KS8695_LAN_PA + 0x00ff, .flags = IORESOURCE_MEM, }, [1] = { @@ -90,6 +98,12 @@ static struct resource ks8695_lan_resources[] = { .end = KS8695_IRQ_LAN_TX_STATUS, .flags = IORESOURCE_IRQ, }, + [3] = { + .name = "LAN SWITCH", + .start = KS8695_SWITCH_PA, + .end = KS8695_SWITCH_PA + 0x4f, + .flags = IORESOURCE_MEM, + }, }; static struct platform_device ks8695_lan_device = { @@ -106,8 +120,8 @@ static struct platform_device ks8695_lan_device = { static struct resource ks8695_hpna_resources[] = { [0] = { - .start = KS8695_HPNA_VA, - .end = KS8695_HPNA_VA + 0x00ff, + .start = KS8695_HPNA_PA, + .end = KS8695_HPNA_PA + 0x00ff, .flags = IORESOURCE_MEM, }, [1] = { @@ -149,18 +163,12 @@ void __init ks8696_add_device_hpna(void) { platform_device_register(&ks8695_hpna_device); } -#else -void __init ks8695_add_device_wan(void) {} -void __init ks8695_add_device_lan(void) {} -void __init ks8696_add_device_hpna(void) {} -#endif /* -------------------------------------------------------------------- * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_KS8695_WATCHDOG) || defined(CONFIG_KS8695_WATCHDOG_MODULE) static struct platform_device ks8695_wdt_device = { .name = "ks8695_wdt", .id = -1, @@ -171,9 +179,6 @@ static void __init ks8695_add_device_watchdog(void) { platform_device_register(&ks8695_wdt_device); } -#else -static void __init ks8695_add_device_watchdog(void) {} -#endif /* -------------------------------------------------------------------- @@ -190,7 +195,7 @@ void __init ks8695_init_leds(u8 cpu_led, u8 timer_led) gpio_direction_output(cpu_led, 1); gpio_direction_output(timer_led, 1); - ks8695_leds_cpu = cpu_led; + ks8695_leds_cpu = cpu_led; ks8695_leds_timer = timer_led; } #else diff --git a/arch/arm/mach-ks8695/gpio.c b/arch/arm/mach-ks8695/gpio.c index 9aecf0c4b8b..55fbf7111a5 100644 --- a/arch/arm/mach-ks8695/gpio.c +++ b/arch/arm/mach-ks8695/gpio.c @@ -2,6 +2,8 @@ * arch/arm/mach-ks8695/gpio.c * * Copyright (C) 2006 Andrew Victor + * Updated to GPIOLIB, Copyright 2008 Simtec Electronics + * Daniel Silverstone <dsilvers@simtec.co.uk> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -35,7 +37,7 @@ * Configure a GPIO line for either GPIO function, or its internal * function (Interrupt, Timer, etc). */ -static void __init_or_module ks8695_gpio_mode(unsigned int pin, short gpio) +static void ks8695_gpio_mode(unsigned int pin, short gpio) { unsigned int enable[] = { IOPC_IOEINT0EN, IOPC_IOEINT1EN, IOPC_IOEINT2EN, IOPC_IOEINT3EN, IOPC_IOTIM0EN, IOPC_IOTIM1EN }; unsigned long x, flags; @@ -61,7 +63,7 @@ static unsigned short gpio_irq[] = { KS8695_IRQ_EXTERN0, KS8695_IRQ_EXTERN1, KS8 /* * Configure GPIO pin as external interrupt source. */ -int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type) +int ks8695_gpio_interrupt(unsigned int pin, unsigned int type) { unsigned long x, flags; @@ -94,7 +96,7 @@ EXPORT_SYMBOL(ks8695_gpio_interrupt); /* * Configure the GPIO line as an input. */ -int __init_or_module gpio_direction_input(unsigned int pin) +static int ks8695_gpio_direction_input(struct gpio_chip *gc, unsigned int pin) { unsigned long x, flags; @@ -115,13 +117,13 @@ int __init_or_module gpio_direction_input(unsigned int pin) return 0; } -EXPORT_SYMBOL(gpio_direction_input); /* * Configure the GPIO line as an output, with default state. */ -int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state) +static int ks8695_gpio_direction_output(struct gpio_chip *gc, + unsigned int pin, int state) { unsigned long x, flags; @@ -150,13 +152,13 @@ int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state) return 0; } -EXPORT_SYMBOL(gpio_direction_output); /* * Set the state of an output GPIO line. */ -void gpio_set_value(unsigned int pin, unsigned int state) +static void ks8695_gpio_set_value(struct gpio_chip *gc, + unsigned int pin, int state) { unsigned long x, flags; @@ -175,13 +177,12 @@ void gpio_set_value(unsigned int pin, unsigned int state) local_irq_restore(flags); } -EXPORT_SYMBOL(gpio_set_value); /* * Read the state of a GPIO line. */ -int gpio_get_value(unsigned int pin) +static int ks8695_gpio_get_value(struct gpio_chip *gc, unsigned int pin) { unsigned long x; @@ -191,21 +192,18 @@ int gpio_get_value(unsigned int pin) x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD); return (x & IOPD(pin)) != 0; } -EXPORT_SYMBOL(gpio_get_value); /* * Map GPIO line to IRQ number. */ -int gpio_to_irq(unsigned int pin) +static int ks8695_gpio_to_irq(struct gpio_chip *gc, unsigned int pin) { if (pin > KS8695_GPIO_3) /* only GPIO 0..3 can generate IRQ */ return -EINVAL; return gpio_irq[pin]; } -EXPORT_SYMBOL(gpio_to_irq); - /* * Map IRQ number to GPIO line. @@ -219,6 +217,26 @@ int irq_to_gpio(unsigned int irq) } EXPORT_SYMBOL(irq_to_gpio); +/* GPIOLIB interface */ + +static struct gpio_chip ks8695_gpio_chip = { + .label = "KS8695", + .direction_input = ks8695_gpio_direction_input, + .direction_output = ks8695_gpio_direction_output, + .get = ks8695_gpio_get_value, + .set = ks8695_gpio_set_value, + .to_irq = ks8695_gpio_to_irq, + .base = 0, + .ngpio = 16, + .can_sleep = 0, +}; + +/* Register the GPIOs */ +void ks8695_register_gpios(void) +{ + if (gpiochip_add(&ks8695_gpio_chip)) + printk(KERN_ERR "Unable to register core GPIOs\n"); +} /* .... Debug interface ..................................................... */ diff --git a/arch/arm/mach-ks8695/include/mach/dma.h b/arch/arm/mach-ks8695/include/mach/dma.h deleted file mode 100644 index 56120628008..00000000000 --- a/arch/arm/mach-ks8695/include/mach/dma.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * arch/arm/mach-ks8695/include/mach/dma.h - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ diff --git a/arch/arm/mach-ks8695/include/mach/gpio.h b/arch/arm/mach-ks8695/include/mach/gpio.h index d4af5c335f1..86312d476bc 100644 --- a/arch/arm/mach-ks8695/include/mach/gpio.h +++ b/arch/arm/mach-ks8695/include/mach/gpio.h @@ -30,53 +30,28 @@ #define KS8695_GPIO_14 14 #define KS8695_GPIO_15 15 - /* * Configure GPIO pin as external interrupt source. */ -int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type); - -/* - * Configure the GPIO line as an input. - */ -int __init_or_module gpio_direction_input(unsigned int pin); - -/* - * Configure the GPIO line as an output, with default state. - */ -int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state); - -/* - * Set the state of an output GPIO line. - */ -void gpio_set_value(unsigned int pin, unsigned int state); - -/* - * Read the state of a GPIO line. - */ -int gpio_get_value(unsigned int pin); - -/* - * Map GPIO line to IRQ number. - */ -int gpio_to_irq(unsigned int pin); +extern int ks8695_gpio_interrupt(unsigned int pin, unsigned int type); /* * Map IRQ number to GPIO line. */ -int irq_to_gpio(unsigned int irq); - +extern int irq_to_gpio(unsigned int irq); #include <asm-generic/gpio.h> -static inline int gpio_request(unsigned int pin, const char *label) -{ - return 0; -} +/* If it turns out that we need to optimise GPIO access for the + * Micrel's GPIOs, then these can be changed to check their argument + * directly as static inlines. However for now it's probably not + * worthwhile. + */ +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_to_irq __gpio_to_irq -static inline void gpio_free(unsigned int pin) -{ - might_sleep(); -} +/* Register the GPIOs */ +extern void ks8695_register_gpios(void); #endif diff --git a/arch/arm/mach-ks8695/include/mach/io.h b/arch/arm/mach-ks8695/include/mach/io.h index f364f24ffe1..a7a63ac3ba4 100644 --- a/arch/arm/mach-ks8695/include/mach/io.h +++ b/arch/arm/mach-ks8695/include/mach/io.h @@ -13,7 +13,7 @@ #define IO_SPACE_LIMIT 0xffffffff -#define __io(a) ((void __iomem *)(a)) -#define __mem_pci(a) (a) +#define __io(a) __typesafe_io(a) +#define __mem_pci(a) (a) #endif diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h index 8fbc4c76c38..6d5887cf574 100644 --- a/arch/arm/mach-ks8695/include/mach/memory.h +++ b/arch/arm/mach-ks8695/include/mach/memory.h @@ -37,11 +37,6 @@ extern struct bus_type platform_bus_type; (dma_addr_t)__virt_to_phys(x) : (dma_addr_t)__virt_to_bus(x); }) #define __arch_page_to_dma(dev, x) __arch_virt_to_dma(dev, page_address(x)) -#else - -#define __virt_to_bus(x) __virt_to_phys(x) -#define __bus_to_virt(x) __phys_to_virt(x) - #endif #endif |