forked from Minki/linux
f8060f5446
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
188 lines
6.5 KiB
C
188 lines
6.5 KiB
C
/*
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* SAMSUNG EXYNOS5250 Flattened Device Tree enabled machine
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*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/of_platform.h>
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#include <linux/of_fdt.h>
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#include <linux/serial_core.h>
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#include <linux/memblock.h>
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#include <linux/io.h>
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#include <asm/mach/arch.h>
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#include <mach/map.h>
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#include <mach/regs-pmu.h>
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#include <plat/cpu.h>
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#include <plat/regs-serial.h>
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#include <plat/mfc.h>
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#include "common.h"
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/*
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* The following lookup table is used to override device names when devices
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* are registered from device tree. This is temporarily added to enable
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* device tree support addition for the EXYNOS5 architecture.
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*
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* For drivers that require platform data to be provided from the machine
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* file, a platform data pointer can also be supplied along with the
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* devices names. Usually, the platform data elements that cannot be parsed
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* from the device tree by the drivers (example: function pointers) are
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* supplied. But it should be noted that this is a temporary mechanism and
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* at some point, the drivers should be capable of parsing all the platform
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* data from the device tree.
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*/
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static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART0,
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"exynos4210-uart.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART1,
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"exynos4210-uart.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART2,
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"exynos4210-uart.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART3,
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"exynos4210-uart.3", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(0),
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"s3c2440-i2c.0", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
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"s3c2440-i2c.1", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(2),
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"s3c2440-i2c.2", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(3),
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"s3c2440-i2c.3", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(4),
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"s3c2440-i2c.4", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(5),
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"s3c2440-i2c.5", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(6),
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"s3c2440-i2c.6", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(7),
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"s3c2440-i2c.7", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-hdmiphy-i2c", EXYNOS5_PA_IIC(8),
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"s3c2440-hdmiphy-i2c", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0,
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"dw_mmc.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI1,
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"dw_mmc.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI2,
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"dw_mmc.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI3,
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"dw_mmc.3", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI0,
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"exynos4210-spi.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI1,
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"exynos4210-spi.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI2,
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"exynos4210-spi.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-sata-ahci", 0x122F0000,
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"exynos5-sata", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-sata-phy", 0x12170000,
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"exynos5-sata-phy", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-sata-phy-i2c", 0x121D0000,
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"exynos5-sata-phy-i2c", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC0,
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"exynos-gsc.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC1,
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"exynos-gsc.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC2,
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"exynos-gsc.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3,
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"exynos-gsc.3", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-hdmi", 0x14530000,
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"exynos5-hdmi", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-mixer", 0x14450000,
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"exynos5-mixer", NULL),
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OF_DEV_AUXDATA("samsung,mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-tmu", 0x10060000,
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"exynos-tmu", NULL),
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{},
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};
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static const struct of_dev_auxdata exynos5440_auxdata_lookup[] __initconst = {
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5440_PA_UART0,
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"exynos4210-uart.0", NULL),
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{},
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};
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static void __init exynos5_dt_map_io(void)
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{
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unsigned long root = of_get_flat_dt_root();
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exynos_init_io(NULL, 0);
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if (of_flat_dt_is_compatible(root, "samsung,exynos5250"))
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s3c24xx_init_clocks(24000000);
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}
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static void __init exynos5_dt_machine_init(void)
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{
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struct device_node *i2c_np;
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const char *i2c_compat = "samsung,s3c2440-i2c";
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unsigned int tmp;
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/*
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* Exynos5's legacy i2c controller and new high speed i2c
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* controller have muxed interrupt sources. By default the
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* interrupts for 4-channel HS-I2C controller are enabled.
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* If node for first four channels of legacy i2c controller
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* are available then re-configure the interrupts via the
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* system register.
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*/
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for_each_compatible_node(i2c_np, NULL, i2c_compat) {
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if (of_device_is_available(i2c_np)) {
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if (of_alias_get_id(i2c_np, "i2c") < 4) {
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tmp = readl(EXYNOS5_SYS_I2C_CFG);
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writel(tmp & ~(0x1 << of_alias_get_id(i2c_np, "i2c")),
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EXYNOS5_SYS_I2C_CFG);
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}
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}
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}
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if (of_machine_is_compatible("samsung,exynos5250"))
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of_platform_populate(NULL, of_default_bus_match_table,
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exynos5250_auxdata_lookup, NULL);
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else if (of_machine_is_compatible("samsung,exynos5440"))
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of_platform_populate(NULL, of_default_bus_match_table,
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exynos5440_auxdata_lookup, NULL);
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}
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static char const *exynos5_dt_compat[] __initdata = {
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"samsung,exynos5250",
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"samsung,exynos5440",
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NULL
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};
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static void __init exynos5_reserve(void)
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{
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#ifdef CONFIG_S5P_DEV_MFC
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struct s5p_mfc_dt_meminfo mfc_mem;
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/* Reserve memory for MFC only if it's available */
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mfc_mem.compatible = "samsung,mfc-v6";
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if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
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s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
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mfc_mem.lsize);
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#endif
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}
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DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
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/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
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.init_irq = exynos5_init_irq,
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.smp = smp_ops(exynos_smp_ops),
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.map_io = exynos5_dt_map_io,
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.init_machine = exynos5_dt_machine_init,
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.init_late = exynos_init_late,
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.init_time = exynos4_timer_init,
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.dt_compat = exynos5_dt_compat,
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.restart = exynos5_restart,
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.reserve = exynos5_reserve,
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MACHINE_END
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