diff options
Diffstat (limited to 'arch/arm/mach-ks8695/board-og.c')
| -rw-r--r-- | arch/arm/mach-ks8695/board-og.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/arch/arm/mach-ks8695/board-og.c b/arch/arm/mach-ks8695/board-og.c deleted file mode 100644 index 12ffe9227f9c..000000000000 --- a/arch/arm/mach-ks8695/board-og.c +++ /dev/null @@ -1,197 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * board-og.c -- support for the OpenGear KS8695 based boards. - */ - -#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 "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); - - if (IS_ENABLED(CONFIG_PCI)) - 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 map_desc og_io_desc[] __initdata = { - { - .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, - .init_time = ks8695_timer_init, - .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, - .init_time = ks8695_timer_init, - .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, - .init_time = ks8695_timer_init, - .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, - .init_time = ks8695_timer_init, - .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, - .init_time = ks8695_timer_init, - .restart = ks8695_restart, -MACHINE_END -#endif |