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linux/arch/arm/mach-ks8695/board-og.c

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ARM: ks8695: add board support for the OpenGear boards based on the KS8695 A number of boards produced by OpenGear and based on the Micrel KS8695 SoC. Add board support to the KS8695 kernel code to support them. The following machine type entries will need to be added back into the mach-types file with these in mainline: cm4008 MACH_CM4008 CM4008 624 cm41xx MACH_CM41XX CM41XX 672 cm4002 MACH_CM4002 CM4002 876 im42xx MACH_IM42XX IM42XX 1105 im4004 MACH_IM4004 IM4004 1400 Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-07 05:35:39 +00:00
/*
* 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);
ARM: ks8695/og: make PCI setup conditional The 'og' machine tries to always initialized the PCI code, but that may be disabled in Kconfig, leading to a build error. This patch changes the code to use the same Kconfig symbol to decide about calling the ks8695_init_pci function at build time that we use to decide about building the ks8695 PCI support. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Greg Ungerer <gerg@uclinux.org>
2014-03-15 10:34:55 +00:00
if (IS_ENABLED(CONFIG_PCI))
ks8695_init_pci(&og_pci);
ARM: ks8695: add board support for the OpenGear boards based on the KS8695 A number of boards produced by OpenGear and based on the Micrel KS8695 SoC. Add board support to the KS8695 kernel code to support them. The following machine type entries will need to be added back into the mach-types file with these in mainline: cm4008 MACH_CM4008 CM4008 624 cm41xx MACH_CM41XX CM41XX 672 cm4002 MACH_CM4002 CM4002 876 im42xx MACH_IM42XX IM42XX 1105 im4004 MACH_IM4004 IM4004 1400 Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-07 05:35:39 +00:00
}
/*
* 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,
ARM: delete struct sys_timer Now that the only field in struct sys_timer is .init, delete the struct, and replace the machine descriptor .timer field with the initialization function itself. This will enable moving timer drivers into drivers/clocksource without having to place a public prototype of each struct sys_timer object into include/linux; the intent is to create a single of_clocksource_init() function that determines which timer driver to initialize by scanning the device dtree, much like the proposed irqchip_init() at: http://www.spinics.net/lists/arm-kernel/msg203686.html Includes mach-omap2 fixes from Igor Grinberg. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-08 19:40:59 +00:00
.init_time = ks8695_timer_init,
ARM: ks8695: add board support for the OpenGear boards based on the KS8695 A number of boards produced by OpenGear and based on the Micrel KS8695 SoC. Add board support to the KS8695 kernel code to support them. The following machine type entries will need to be added back into the mach-types file with these in mainline: cm4008 MACH_CM4008 CM4008 624 cm41xx MACH_CM41XX CM41XX 672 cm4002 MACH_CM4002 CM4002 876 im42xx MACH_IM42XX IM42XX 1105 im4004 MACH_IM4004 IM4004 1400 Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-07 05:35:39 +00:00
.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,
ARM: delete struct sys_timer Now that the only field in struct sys_timer is .init, delete the struct, and replace the machine descriptor .timer field with the initialization function itself. This will enable moving timer drivers into drivers/clocksource without having to place a public prototype of each struct sys_timer object into include/linux; the intent is to create a single of_clocksource_init() function that determines which timer driver to initialize by scanning the device dtree, much like the proposed irqchip_init() at: http://www.spinics.net/lists/arm-kernel/msg203686.html Includes mach-omap2 fixes from Igor Grinberg. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-08 19:40:59 +00:00
.init_time = ks8695_timer_init,
ARM: ks8695: add board support for the OpenGear boards based on the KS8695 A number of boards produced by OpenGear and based on the Micrel KS8695 SoC. Add board support to the KS8695 kernel code to support them. The following machine type entries will need to be added back into the mach-types file with these in mainline: cm4008 MACH_CM4008 CM4008 624 cm41xx MACH_CM41XX CM41XX 672 cm4002 MACH_CM4002 CM4002 876 im42xx MACH_IM42XX IM42XX 1105 im4004 MACH_IM4004 IM4004 1400 Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-07 05:35:39 +00:00
.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,
ARM: delete struct sys_timer Now that the only field in struct sys_timer is .init, delete the struct, and replace the machine descriptor .timer field with the initialization function itself. This will enable moving timer drivers into drivers/clocksource without having to place a public prototype of each struct sys_timer object into include/linux; the intent is to create a single of_clocksource_init() function that determines which timer driver to initialize by scanning the device dtree, much like the proposed irqchip_init() at: http://www.spinics.net/lists/arm-kernel/msg203686.html Includes mach-omap2 fixes from Igor Grinberg. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-08 19:40:59 +00:00
.init_time = ks8695_timer_init,
ARM: ks8695: add board support for the OpenGear boards based on the KS8695 A number of boards produced by OpenGear and based on the Micrel KS8695 SoC. Add board support to the KS8695 kernel code to support them. The following machine type entries will need to be added back into the mach-types file with these in mainline: cm4008 MACH_CM4008 CM4008 624 cm41xx MACH_CM41XX CM41XX 672 cm4002 MACH_CM4002 CM4002 876 im42xx MACH_IM42XX IM42XX 1105 im4004 MACH_IM4004 IM4004 1400 Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-07 05:35:39 +00:00
.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,
ARM: delete struct sys_timer Now that the only field in struct sys_timer is .init, delete the struct, and replace the machine descriptor .timer field with the initialization function itself. This will enable moving timer drivers into drivers/clocksource without having to place a public prototype of each struct sys_timer object into include/linux; the intent is to create a single of_clocksource_init() function that determines which timer driver to initialize by scanning the device dtree, much like the proposed irqchip_init() at: http://www.spinics.net/lists/arm-kernel/msg203686.html Includes mach-omap2 fixes from Igor Grinberg. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-08 19:40:59 +00:00
.init_time = ks8695_timer_init,
ARM: ks8695: add board support for the OpenGear boards based on the KS8695 A number of boards produced by OpenGear and based on the Micrel KS8695 SoC. Add board support to the KS8695 kernel code to support them. The following machine type entries will need to be added back into the mach-types file with these in mainline: cm4008 MACH_CM4008 CM4008 624 cm41xx MACH_CM41XX CM41XX 672 cm4002 MACH_CM4002 CM4002 876 im42xx MACH_IM42XX IM42XX 1105 im4004 MACH_IM4004 IM4004 1400 Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-07 05:35:39 +00:00
.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,
ARM: delete struct sys_timer Now that the only field in struct sys_timer is .init, delete the struct, and replace the machine descriptor .timer field with the initialization function itself. This will enable moving timer drivers into drivers/clocksource without having to place a public prototype of each struct sys_timer object into include/linux; the intent is to create a single of_clocksource_init() function that determines which timer driver to initialize by scanning the device dtree, much like the proposed irqchip_init() at: http://www.spinics.net/lists/arm-kernel/msg203686.html Includes mach-omap2 fixes from Igor Grinberg. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-08 19:40:59 +00:00
.init_time = ks8695_timer_init,
ARM: ks8695: add board support for the OpenGear boards based on the KS8695 A number of boards produced by OpenGear and based on the Micrel KS8695 SoC. Add board support to the KS8695 kernel code to support them. The following machine type entries will need to be added back into the mach-types file with these in mainline: cm4008 MACH_CM4008 CM4008 624 cm41xx MACH_CM41XX CM41XX 672 cm4002 MACH_CM4002 CM4002 876 im42xx MACH_IM42XX IM42XX 1105 im4004 MACH_IM4004 IM4004 1400 Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-07 05:35:39 +00:00
.restart = ks8695_restart,
MACHINE_END
#endif
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