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Merge branch 'ks8695/boards' into next/boards
* ks8695/boards: ARM: ks8695: add board support for the OpenGear boards based on the KS8695 ARM: ks8695: add board support for the SnapGear boards based on the KS8695
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,199 @@ | ||
| /* | ||
| * board-og.c -- support for the OpenGear KS8695 based boards. | ||
| * | ||
| * 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/delay.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/serial_8250.h> | ||
| #include <linux/gpio.h> | ||
| #include <linux/irq.h> | ||
| #include <asm/mach-types.h> | ||
| #include <asm/mach/arch.h> | ||
| #include <asm/mach/map.h> | ||
| #include <mach/devices.h> | ||
| #include <mach/regs-gpio.h> | ||
| #include <mach/gpio-ks8695.h> | ||
| #include "generic.h" | ||
|
|
||
| static int og_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) | ||
| { | ||
| if (machine_is_im4004() && (slot == 8)) | ||
| return KS8695_IRQ_EXTERN1; | ||
| return KS8695_IRQ_EXTERN0; | ||
| } | ||
|
|
||
| static struct ks8695_pci_cfg __initdata og_pci = { | ||
| .mode = KS8695_MODE_PCI, | ||
| .map_irq = og_pci_map_irq, | ||
| }; | ||
|
|
||
| static void __init og_register_pci(void) | ||
| { | ||
| /* Initialize the GPIO lines for interrupt mode */ | ||
| ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW); | ||
|
|
||
| /* Cardbus Slot */ | ||
| if (machine_is_im4004()) | ||
| ks8695_gpio_interrupt(KS8695_GPIO_1, IRQ_TYPE_LEVEL_LOW); | ||
|
|
||
| ks8695_init_pci(&og_pci); | ||
| } | ||
|
|
||
| /* | ||
| * The PCI bus reset is driven by a dedicated GPIO line. Toggle it here | ||
| * and bring the PCI bus out of reset. | ||
| */ | ||
| static void __init og_pci_bus_reset(void) | ||
| { | ||
| unsigned int rstline = 1; | ||
|
|
||
| /* Some boards use a different GPIO as the PCI reset line */ | ||
| if (machine_is_im4004()) | ||
| rstline = 2; | ||
| else if (machine_is_im42xx()) | ||
| rstline = 0; | ||
|
|
||
| gpio_request(rstline, "PCI reset"); | ||
| gpio_direction_output(rstline, 0); | ||
|
|
||
| /* Drive a reset on the PCI reset line */ | ||
| gpio_set_value(rstline, 1); | ||
| gpio_set_value(rstline, 0); | ||
| mdelay(100); | ||
| gpio_set_value(rstline, 1); | ||
| mdelay(100); | ||
| } | ||
|
|
||
| /* | ||
| * Direct connect serial ports (non-PCI that is). | ||
| */ | ||
| #define S8250_PHYS 0x03800000 | ||
| #define S8250_VIRT 0xf4000000 | ||
| #define S8250_SIZE 0x00100000 | ||
|
|
||
| static struct __initdata map_desc og_io_desc[] = { | ||
| { | ||
| .virtual = S8250_VIRT, | ||
| .pfn = __phys_to_pfn(S8250_PHYS), | ||
| .length = S8250_SIZE, | ||
| .type = MT_DEVICE, | ||
| } | ||
| }; | ||
|
|
||
| static struct resource og_uart_resources[] = { | ||
| { | ||
| .start = S8250_VIRT, | ||
| .end = S8250_VIRT + S8250_SIZE, | ||
| .flags = IORESOURCE_MEM | ||
| }, | ||
| }; | ||
|
|
||
| static struct plat_serial8250_port og_uart_data[] = { | ||
| { | ||
| .mapbase = S8250_VIRT, | ||
| .membase = (char *) S8250_VIRT, | ||
| .irq = 3, | ||
| .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | ||
| .iotype = UPIO_MEM, | ||
| .regshift = 2, | ||
| .uartclk = 115200 * 16, | ||
| }, | ||
| { }, | ||
| }; | ||
|
|
||
| static struct platform_device og_uart = { | ||
| .name = "serial8250", | ||
| .id = 0, | ||
| .dev.platform_data = og_uart_data, | ||
| .num_resources = 1, | ||
| .resource = og_uart_resources | ||
| }; | ||
|
|
||
| static struct platform_device *og_devices[] __initdata = { | ||
| &og_uart | ||
| }; | ||
|
|
||
| static void __init og_init(void) | ||
| { | ||
| ks8695_register_gpios(); | ||
|
|
||
| if (machine_is_cm4002()) { | ||
| ks8695_gpio_interrupt(KS8695_GPIO_1, IRQ_TYPE_LEVEL_HIGH); | ||
| iotable_init(og_io_desc, ARRAY_SIZE(og_io_desc)); | ||
| platform_add_devices(og_devices, ARRAY_SIZE(og_devices)); | ||
| } else { | ||
| og_pci_bus_reset(); | ||
| og_register_pci(); | ||
| } | ||
|
|
||
| ks8695_add_device_lan(); | ||
| ks8695_add_device_wan(); | ||
| } | ||
|
|
||
| #ifdef CONFIG_MACH_CM4002 | ||
| MACHINE_START(CM4002, "OpenGear/CM4002") | ||
| /* OpenGear Inc. */ | ||
| .atag_offset = 0x100, | ||
| .map_io = ks8695_map_io, | ||
| .init_irq = ks8695_init_irq, | ||
| .init_machine = og_init, | ||
| .timer = &ks8695_timer, | ||
| .restart = ks8695_restart, | ||
| MACHINE_END | ||
| #endif | ||
|
|
||
| #ifdef CONFIG_MACH_CM4008 | ||
| MACHINE_START(CM4008, "OpenGear/CM4008") | ||
| /* OpenGear Inc. */ | ||
| .atag_offset = 0x100, | ||
| .map_io = ks8695_map_io, | ||
| .init_irq = ks8695_init_irq, | ||
| .init_machine = og_init, | ||
| .timer = &ks8695_timer, | ||
| .restart = ks8695_restart, | ||
| MACHINE_END | ||
| #endif | ||
|
|
||
| #ifdef CONFIG_MACH_CM41xx | ||
| MACHINE_START(CM41XX, "OpenGear/CM41xx") | ||
| /* OpenGear Inc. */ | ||
| .atag_offset = 0x100, | ||
| .map_io = ks8695_map_io, | ||
| .init_irq = ks8695_init_irq, | ||
| .init_machine = og_init, | ||
| .timer = &ks8695_timer, | ||
| .restart = ks8695_restart, | ||
| MACHINE_END | ||
| #endif | ||
|
|
||
| #ifdef CONFIG_MACH_IM4004 | ||
| MACHINE_START(IM4004, "OpenGear/IM4004") | ||
| /* OpenGear Inc. */ | ||
| .atag_offset = 0x100, | ||
| .map_io = ks8695_map_io, | ||
| .init_irq = ks8695_init_irq, | ||
| .init_machine = og_init, | ||
| .timer = &ks8695_timer, | ||
| .restart = ks8695_restart, | ||
| MACHINE_END | ||
| #endif | ||
|
|
||
| #ifdef CONFIG_MACH_IM42xx | ||
| MACHINE_START(IM42XX, "OpenGear/IM42xx") | ||
| /* OpenGear Inc. */ | ||
| .atag_offset = 0x100, | ||
| .map_io = ks8695_map_io, | ||
| .init_irq = ks8695_init_irq, | ||
| .init_machine = og_init, | ||
| .timer = &ks8695_timer, | ||
| .restart = ks8695_restart, | ||
| MACHINE_END | ||
| #endif |
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