![Olof Johansson](/assets/img/avatar_default.png)
This creates irqchip initialization infrastructure from Thomas Petazzoni. The VIC and GIC irqchip code is moved to drivers/irqchips and adapted to use the new infrastructure. All DT enabled platforms using GIC and VIC are converted over to use the new irqchip_init. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAABAgAGBQJQ8ZobAAoJEMhvYp4jgsXiihIH/2VvxmSHZb0e3jN6AR0B42b7 9EwX0IE0B23t91hNTwdzzmTJQYA7pMmWkgHNfd3vIeqSepJAmrVv/gp4iM9CtPwE KNh+kDWOK2ZsOH4Vb0lYRJHN8WQOIQHuCUr9+MdYLNOgf/pPL6G/Y9kv9A1e7fTC W+tFRjC5N1ilZMGyowX12L1wnwDk6kHzed6YV6bskC17cZ9/pg8PhSVbM4A/3kAv NXYKqbXJb+eCsWGXg/knZXOL6V9gBwvVYoe4O9X3nQ0226AWB9caad8l8tchAjRB fmrYF1tbkpOWPnLxhvQy5b5MJichJgTMJHh7RgiEcc/3f63kOljjlx4QKiqHvT0= =q7gm -----END PGP SIGNATURE----- Merge tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux into next/cleanup From Rob Herring: Initial irqchip init infrastructure and GIC and VIC clean-ups This creates irqchip initialization infrastructure from Thomas Petazzoni. The VIC and GIC irqchip code is moved to drivers/irqchips and adapted to use the new infrastructure. All DT enabled platforms using GIC and VIC are converted over to use the new irqchip_init. * tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux: irqchip: Move ARM vic.h to include/linux/irqchip/arm-vic.h ARM: picoxcell: use common irqchip_init function ARM: spear: use common irqchip_init function irqchip: Move ARM VIC to drivers/irqchip ARM: samsung: remove unused tick.h ARM: remove unneeded vic.h includes ARM: remove mach .handle_irq for VIC users ARM: VIC: set handle_arch_irq in VIC initialization ARM: VIC: shrink down vic.h irqchip: Move ARM gic.h to include/linux/irqchip/arm-gic.h ARM: use common irqchip_init for GIC init irqchip: Move ARM GIC to drivers/irqchip ARM: remove mach .handle_irq for GIC users ARM: GIC: set handle_arch_irq in GIC initialization ARM: GIC: remove direct use of gic_raise_softirq ARM: GIC: remove assembly ifdefs from gic.h ARM: mach-ux500: use SGI0 to wake up the other core arm: add set_handle_irq() to register the parent IRQ controller handler function irqchip: add basic infrastructure irqchip: add to the directories part of the IRQ subsystem in MAINTAINERS Fixed up massive merge conflicts with the timer cleanup due to adjacent changes: Signed-off-by: Olof Johansson <olof@lixom.net> Conflicts: arch/arm/mach-bcm/board_bcm.c arch/arm/mach-cns3xxx/cns3420vb.c arch/arm/mach-ep93xx/adssphere.c arch/arm/mach-ep93xx/edb93xx.c arch/arm/mach-ep93xx/gesbc9312.c arch/arm/mach-ep93xx/micro9.c arch/arm/mach-ep93xx/simone.c arch/arm/mach-ep93xx/snappercl15.c arch/arm/mach-ep93xx/ts72xx.c arch/arm/mach-ep93xx/vision_ep9307.c arch/arm/mach-highbank/highbank.c arch/arm/mach-imx/mach-imx6q.c arch/arm/mach-msm/board-dt-8960.c arch/arm/mach-netx/nxdb500.c arch/arm/mach-netx/nxdkn.c arch/arm/mach-netx/nxeb500hmi.c arch/arm/mach-nomadik/board-nhk8815.c arch/arm/mach-picoxcell/common.c arch/arm/mach-realview/realview_eb.c arch/arm/mach-realview/realview_pb1176.c arch/arm/mach-realview/realview_pb11mp.c arch/arm/mach-realview/realview_pba8.c arch/arm/mach-realview/realview_pbx.c arch/arm/mach-socfpga/socfpga.c arch/arm/mach-spear13xx/spear1310.c arch/arm/mach-spear13xx/spear1340.c arch/arm/mach-spear13xx/spear13xx.c arch/arm/mach-spear3xx/spear300.c arch/arm/mach-spear3xx/spear310.c arch/arm/mach-spear3xx/spear320.c arch/arm/mach-spear3xx/spear3xx.c arch/arm/mach-spear6xx/spear6xx.c arch/arm/mach-tegra/board-dt-tegra20.c arch/arm/mach-tegra/board-dt-tegra30.c arch/arm/mach-u300/core.c arch/arm/mach-ux500/board-mop500.c arch/arm/mach-ux500/cpu-db8500.c arch/arm/mach-versatile/versatile_ab.c arch/arm/mach-versatile/versatile_dt.c arch/arm/mach-versatile/versatile_pb.c arch/arm/mach-vexpress/v2m.c include/asm-generic/vmlinux.lds.h
375 lines
10 KiB
C
375 lines
10 KiB
C
/*
|
|
* arch/arm/mach-ep93xx/edb93xx.c
|
|
* Cirrus Logic EDB93xx Development Board support.
|
|
*
|
|
* EDB93XX, EDB9301, EDB9307A
|
|
* Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
|
|
*
|
|
* EDB9302
|
|
* Copyright (C) 2006 George Kashperko <george@chas.com.ua>
|
|
*
|
|
* EDB9302A, EDB9315, EDB9315A
|
|
* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
|
|
*
|
|
* EDB9307
|
|
* Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
|
|
*
|
|
* EDB9312
|
|
* Copyright (C) 2006 Infosys Technologies Limited
|
|
* Toufeeq Hussain <toufeeq_hussain@infosys.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c-gpio.h>
|
|
#include <linux/spi/spi.h>
|
|
|
|
#include <sound/cs4271.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <linux/platform_data/video-ep93xx.h>
|
|
#include <linux/platform_data/spi-ep93xx.h>
|
|
#include <mach/gpio-ep93xx.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
|
|
#include "soc.h"
|
|
|
|
static void __init edb93xx_register_flash(void)
|
|
{
|
|
if (machine_is_edb9307() || machine_is_edb9312() ||
|
|
machine_is_edb9315()) {
|
|
ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
|
|
} else {
|
|
ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
|
|
}
|
|
}
|
|
|
|
static struct ep93xx_eth_data __initdata edb93xx_eth_data = {
|
|
.phy_id = 1,
|
|
};
|
|
|
|
|
|
/*************************************************************************
|
|
* EDB93xx i2c peripheral handling
|
|
*************************************************************************/
|
|
static struct i2c_gpio_platform_data __initdata edb93xx_i2c_gpio_data = {
|
|
.sda_pin = EP93XX_GPIO_LINE_EEDAT,
|
|
.sda_is_open_drain = 0,
|
|
.scl_pin = EP93XX_GPIO_LINE_EECLK,
|
|
.scl_is_open_drain = 0,
|
|
.udelay = 0, /* default to 100 kHz */
|
|
.timeout = 0, /* default to 100 ms */
|
|
};
|
|
|
|
static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
|
|
{
|
|
I2C_BOARD_INFO("isl1208", 0x6f),
|
|
},
|
|
};
|
|
|
|
static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
|
|
{
|
|
I2C_BOARD_INFO("ds1337", 0x68),
|
|
},
|
|
};
|
|
|
|
static void __init edb93xx_register_i2c(void)
|
|
{
|
|
if (machine_is_edb9302a() || machine_is_edb9307a() ||
|
|
machine_is_edb9315a()) {
|
|
ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
|
|
edb93xxa_i2c_board_info,
|
|
ARRAY_SIZE(edb93xxa_i2c_board_info));
|
|
} else if (machine_is_edb9302() || machine_is_edb9307()
|
|
|| machine_is_edb9312() || machine_is_edb9315()) {
|
|
ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
|
|
edb93xx_i2c_board_info,
|
|
ARRAY_SIZE(edb93xx_i2c_board_info));
|
|
}
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* EDB93xx SPI peripheral handling
|
|
*************************************************************************/
|
|
static struct cs4271_platform_data edb93xx_cs4271_data = {
|
|
.gpio_nreset = -EINVAL, /* filled in later */
|
|
};
|
|
|
|
static int edb93xx_cs4271_hw_setup(struct spi_device *spi)
|
|
{
|
|
return gpio_request_one(EP93XX_GPIO_LINE_EGPIO6,
|
|
GPIOF_OUT_INIT_HIGH, spi->modalias);
|
|
}
|
|
|
|
static void edb93xx_cs4271_hw_cleanup(struct spi_device *spi)
|
|
{
|
|
gpio_free(EP93XX_GPIO_LINE_EGPIO6);
|
|
}
|
|
|
|
static void edb93xx_cs4271_hw_cs_control(struct spi_device *spi, int value)
|
|
{
|
|
gpio_set_value(EP93XX_GPIO_LINE_EGPIO6, value);
|
|
}
|
|
|
|
static struct ep93xx_spi_chip_ops edb93xx_cs4271_hw = {
|
|
.setup = edb93xx_cs4271_hw_setup,
|
|
.cleanup = edb93xx_cs4271_hw_cleanup,
|
|
.cs_control = edb93xx_cs4271_hw_cs_control,
|
|
};
|
|
|
|
static struct spi_board_info edb93xx_spi_board_info[] __initdata = {
|
|
{
|
|
.modalias = "cs4271",
|
|
.platform_data = &edb93xx_cs4271_data,
|
|
.controller_data = &edb93xx_cs4271_hw,
|
|
.max_speed_hz = 6000000,
|
|
.bus_num = 0,
|
|
.chip_select = 0,
|
|
.mode = SPI_MODE_3,
|
|
},
|
|
};
|
|
|
|
static struct ep93xx_spi_info edb93xx_spi_info __initdata = {
|
|
.num_chipselect = ARRAY_SIZE(edb93xx_spi_board_info),
|
|
};
|
|
|
|
static void __init edb93xx_register_spi(void)
|
|
{
|
|
if (machine_is_edb9301() || machine_is_edb9302())
|
|
edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1;
|
|
else if (machine_is_edb9302a() || machine_is_edb9307a())
|
|
edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2);
|
|
else if (machine_is_edb9315a())
|
|
edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14;
|
|
|
|
ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info,
|
|
ARRAY_SIZE(edb93xx_spi_board_info));
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* EDB93xx I2S
|
|
*************************************************************************/
|
|
static struct platform_device edb93xx_audio_device = {
|
|
.name = "edb93xx-audio",
|
|
.id = -1,
|
|
};
|
|
|
|
static int __init edb93xx_has_audio(void)
|
|
{
|
|
return (machine_is_edb9301() || machine_is_edb9302() ||
|
|
machine_is_edb9302a() || machine_is_edb9307a() ||
|
|
machine_is_edb9315a());
|
|
}
|
|
|
|
static void __init edb93xx_register_i2s(void)
|
|
{
|
|
if (edb93xx_has_audio()) {
|
|
ep93xx_register_i2s();
|
|
platform_device_register(&edb93xx_audio_device);
|
|
}
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* EDB93xx pwm
|
|
*************************************************************************/
|
|
static void __init edb93xx_register_pwm(void)
|
|
{
|
|
if (machine_is_edb9301() ||
|
|
machine_is_edb9302() || machine_is_edb9302a()) {
|
|
/* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
|
|
ep93xx_register_pwm(0, 1);
|
|
} else if (machine_is_edb9307() || machine_is_edb9307a()) {
|
|
/* EP9307 only has pwm.0 (PWMOUT) */
|
|
ep93xx_register_pwm(1, 0);
|
|
} else {
|
|
/* EP9312 and EP9315 have both */
|
|
ep93xx_register_pwm(1, 1);
|
|
}
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* EDB93xx framebuffer
|
|
*************************************************************************/
|
|
static struct ep93xxfb_mach_info __initdata edb93xxfb_info = {
|
|
.num_modes = EP93XXFB_USE_MODEDB,
|
|
.bpp = 16,
|
|
.flags = 0,
|
|
};
|
|
|
|
static int __init edb93xx_has_fb(void)
|
|
{
|
|
/* These platforms have an ep93xx with video capability */
|
|
return machine_is_edb9307() || machine_is_edb9307a() ||
|
|
machine_is_edb9312() || machine_is_edb9315() ||
|
|
machine_is_edb9315a();
|
|
}
|
|
|
|
static void __init edb93xx_register_fb(void)
|
|
{
|
|
if (!edb93xx_has_fb())
|
|
return;
|
|
|
|
if (machine_is_edb9307a() || machine_is_edb9315a())
|
|
edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0;
|
|
else
|
|
edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3;
|
|
|
|
ep93xx_register_fb(&edb93xxfb_info);
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* EDB93xx IDE
|
|
*************************************************************************/
|
|
static int __init edb93xx_has_ide(void)
|
|
{
|
|
/*
|
|
* Although EDB9312 and EDB9315 do have IDE capability, they have
|
|
* INTRQ line wired as pull-up, which makes using IDE interface
|
|
* problematic.
|
|
*/
|
|
return machine_is_edb9312() || machine_is_edb9315() ||
|
|
machine_is_edb9315a();
|
|
}
|
|
|
|
static void __init edb93xx_register_ide(void)
|
|
{
|
|
if (!edb93xx_has_ide())
|
|
return;
|
|
|
|
ep93xx_register_ide();
|
|
}
|
|
|
|
|
|
static void __init edb93xx_init_machine(void)
|
|
{
|
|
ep93xx_init_devices();
|
|
edb93xx_register_flash();
|
|
ep93xx_register_eth(&edb93xx_eth_data, 1);
|
|
edb93xx_register_i2c();
|
|
edb93xx_register_spi();
|
|
edb93xx_register_i2s();
|
|
edb93xx_register_pwm();
|
|
edb93xx_register_fb();
|
|
edb93xx_register_ide();
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9301
|
|
MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
|
|
/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_EDB9302
|
|
MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
|
|
/* Maintainer: George Kashperko <george@chas.com.ua> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_EDB9302A
|
|
MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
|
|
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_EDB9307
|
|
MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
|
|
/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_EDB9307A
|
|
MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
|
|
/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_EDB9312
|
|
MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
|
|
/* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_EDB9315
|
|
MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
|
|
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_EDB9315A
|
|
MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
|
|
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.init_time = ep93xx_timer_init,
|
|
.init_machine = edb93xx_init_machine,
|
|
.init_late = ep93xx_init_late,
|
|
.restart = ep93xx_restart,
|
|
MACHINE_END
|
|
#endif
|