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authorKukjin Kim <kgene.kim@samsung.com>2011-10-04 20:20:08 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 20:20:08 +0900
commit86f82da586098f16d92b5637808c323f5455e935 (patch)
tree6397eb5550172b89d383254c7e4bca87ae4a8659 /arch/arm/plat-samsung
parentdb3c94a7edc6b29f8d52ba5884dec6a15feeadad (diff)
parente90a0f3c460406d6a5a698016bc525c3e6968cb6 (diff)
Merge branch 'next-samsung-cleanup-2' into next-samsung-devel-2
Conflicts: arch/arm/plat-s5p/include/plat/pll.h
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/include/plat/audio-simtec.h37
-rw-r--r--arch/arm/plat-samsung/include/plat/camport.h28
-rw-r--r--arch/arm/plat-samsung/include/plat/common-smdk.h15
-rw-r--r--arch/arm/plat-samsung/include/plat/cpu-freq-core.h288
-rw-r--r--arch/arm/plat-samsung/include/plat/ehci.h21
-rw-r--r--arch/arm/plat-samsung/include/plat/exynos4.h35
-rw-r--r--arch/arm/plat-samsung/include/plat/fiq.h13
-rw-r--r--arch/arm/plat-samsung/include/plat/irq.h116
-rw-r--r--arch/arm/plat-samsung/include/plat/irqs.h115
-rw-r--r--arch/arm/plat-samsung/include/plat/mci.h52
-rw-r--r--arch/arm/plat-samsung/include/plat/mfc.h27
-rw-r--r--arch/arm/plat-samsung/include/plat/mipi_csis.h43
-rw-r--r--arch/arm/plat-samsung/include/plat/pll.h323
-rw-r--r--arch/arm/plat-samsung/include/plat/pll6553x.h51
-rw-r--r--arch/arm/plat-samsung/include/plat/pwm-clock.h81
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-dma.h151
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-iis.h70
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-spi.h48
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-srom.h54
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-udc.h151
-rw-r--r--arch/arm/plat-samsung/include/plat/reset.h16
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2410.h33
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2412.h29
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2416.h31
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2443.h51
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c244x.h42
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c6400.h36
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c6410.h29
-rw-r--r--arch/arm/plat-samsung/include/plat/s5p-clock.h55
-rw-r--r--arch/arm/plat-samsung/include/plat/s5p-time.h40
-rw-r--r--arch/arm/plat-samsung/include/plat/s5p6440.h36
-rw-r--r--arch/arm/plat-samsung/include/plat/s5p6450.h36
-rw-r--r--arch/arm/plat-samsung/include/plat/s5pc100.h33
-rw-r--r--arch/arm/plat-samsung/include/plat/s5pv210.h33
-rw-r--r--arch/arm/plat-samsung/include/plat/sdhci.h57
-rw-r--r--arch/arm/plat-samsung/include/plat/sysmmu.h95
-rw-r--r--arch/arm/plat-samsung/include/plat/system-reset.h31
-rw-r--r--arch/arm/plat-samsung/include/plat/udc.h57
-rw-r--r--arch/arm/plat-samsung/include/plat/usb-phy.h22
-rw-r--r--arch/arm/plat-samsung/platformdata.c2
-rw-r--r--arch/arm/plat-samsung/pwm-clock.c13
41 files changed, 2384 insertions, 112 deletions
diff --git a/arch/arm/plat-samsung/include/plat/audio-simtec.h b/arch/arm/plat-samsung/include/plat/audio-simtec.h
new file mode 100644
index 00000000000..5345364e742
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/audio-simtec.h
@@ -0,0 +1,37 @@
+/* arch/arm/plat-samsung/include/plat/audio-simtec.h
+ *
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * 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.
+ *
+ * Simtec Audio support.
+*/
+
+/**
+ * struct s3c24xx_audio_simtec_pdata - platform data for simtec audio
+ * @use_mpllin: Select codec clock from MPLLin
+ * @output_cdclk: Need to output CDCLK to the codec
+ * @have_mic: Set if we have a MIC socket
+ * @have_lout: Set if we have a LineOut socket
+ * @amp_gpio: GPIO pin to enable the AMP
+ * @amp_gain: Option GPIO to control AMP gain
+ */
+struct s3c24xx_audio_simtec_pdata {
+ unsigned int use_mpllin:1;
+ unsigned int output_cdclk:1;
+
+ unsigned int have_mic:1;
+ unsigned int have_lout:1;
+
+ int amp_gpio;
+ int amp_gain[2];
+
+ void (*startup)(void);
+};
+
+extern int simtec_audio_add(const char *codec_name, bool has_lr_routing,
+ struct s3c24xx_audio_simtec_pdata *pdata);
diff --git a/arch/arm/plat-samsung/include/plat/camport.h b/arch/arm/plat-samsung/include/plat/camport.h
new file mode 100644
index 00000000000..a5708bf84b3
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/camport.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ *
+ * S5P series camera interface helper functions
+ *
+ * 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.
+ */
+
+#ifndef __PLAT_SAMSUNG_CAMPORT_H_
+#define __PLAT_SAMSUNG_CAMPORT_H_ __FILE__
+
+enum s5p_camport_id {
+ S5P_CAMPORT_A,
+ S5P_CAMPORT_B,
+};
+
+/*
+ * The helper functions to configure GPIO for the camera parallel bus.
+ * The camera port can be multiplexed with any FIMC entity, even multiple
+ * FIMC entities are allowed to be attached to a single port simultaneously.
+ * These functions are to be used in the board setup code.
+ */
+int s5pv210_fimc_setup_gpio(enum s5p_camport_id id);
+int exynos4_fimc_setup_gpio(enum s5p_camport_id id);
+
+#endif /* __PLAT_SAMSUNG_CAMPORT_H */
diff --git a/arch/arm/plat-samsung/include/plat/common-smdk.h b/arch/arm/plat-samsung/include/plat/common-smdk.h
new file mode 100644
index 00000000000..ba028f1ed30
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/common-smdk.h
@@ -0,0 +1,15 @@
+/* linux/arch/arm/plat-samsung/include/plat/common-smdk.h
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Common code for SMDK2410 and SMDK2440 boards
+ *
+ * http://www.fluff.org/ben/smdk2440/
+ *
+ * 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.
+*/
+
+extern void smdk_machine_init(void);
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
new file mode 100644
index 00000000000..dac4760c0f0
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
@@ -0,0 +1,288 @@
+/* arch/arm/plat-samsung/include/plat/cpu-freq-core.h
+ *
+ * Copyright (c) 2006-2009 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C CPU frequency scaling support - core support
+ *
+ * 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 <plat/cpu-freq.h>
+
+struct seq_file;
+
+#define MAX_BANKS (8)
+#define S3C2412_MAX_IO (8)
+
+/**
+ * struct s3c2410_iobank_timing - IO bank timings for S3C2410 style timings
+ * @bankcon: The cached version of settings in this structure.
+ * @tacp:
+ * @tacs: Time from address valid to nCS asserted.
+ * @tcos: Time from nCS asserted to nOE or nWE asserted.
+ * @tacc: Time that nOE or nWE is asserted.
+ * @tcoh: Time nCS is held after nOE or nWE are released.
+ * @tcah: Time address is held for after
+ * @nwait_en: Whether nWAIT is enabled for this bank.
+ *
+ * This structure represents the IO timings for a S3C2410 style IO bank
+ * used by the CPU frequency support if it needs to change the settings
+ * of the IO.
+ */
+struct s3c2410_iobank_timing {
+ unsigned long bankcon;
+ unsigned int tacp;
+ unsigned int tacs;
+ unsigned int tcos;
+ unsigned int tacc;
+ unsigned int tcoh; /* nCS hold afrer nOE/nWE */
+ unsigned int tcah; /* Address hold after nCS */
+ unsigned char nwait_en; /* nWait enabled for bank. */
+};
+
+/**
+ * struct s3c2412_iobank_timing - io timings for PL092 (S3C2412) style IO
+ * @idcy: The idle cycle time between transactions.
+ * @wstrd: nCS release to end of read cycle.
+ * @wstwr: nCS release to end of write cycle.
+ * @wstoen: nCS assertion to nOE assertion time.
+ * @wstwen: nCS assertion to nWE assertion time.
+ * @wstbrd: Burst ready delay.
+ * @smbidcyr: Register cache for smbidcyr value.
+ * @smbwstrd: Register cache for smbwstrd value.
+ * @smbwstwr: Register cache for smbwstwr value.
+ * @smbwstoen: Register cache for smbwstoen value.
+ * @smbwstwen: Register cache for smbwstwen value.
+ * @smbwstbrd: Register cache for smbwstbrd value.
+ *
+ * Timing information for a IO bank on an S3C2412 or similar system which
+ * uses a PL093 block.
+ */
+struct s3c2412_iobank_timing {
+ unsigned int idcy;
+ unsigned int wstrd;
+ unsigned int wstwr;
+ unsigned int wstoen;
+ unsigned int wstwen;
+ unsigned int wstbrd;
+
+ /* register cache */
+ unsigned char smbidcyr;
+ unsigned char smbwstrd;
+ unsigned char smbwstwr;
+ unsigned char smbwstoen;
+ unsigned char smbwstwen;
+ unsigned char smbwstbrd;
+};
+
+union s3c_iobank {
+ struct s3c2410_iobank_timing *io_2410;
+ struct s3c2412_iobank_timing *io_2412;
+};
+
+/**
+ * struct s3c_iotimings - Chip IO timings holder
+ * @bank: The timings for each IO bank.
+ */
+struct s3c_iotimings {
+ union s3c_iobank bank[MAX_BANKS];
+};
+
+/**
+ * struct s3c_plltab - PLL table information.
+ * @vals: List of PLL values.
+ * @size: Size of the PLL table @vals.
+ */
+struct s3c_plltab {
+ struct s3c_pllval *vals;
+ int size;
+};
+
+/**
+ * struct s3c_cpufreq_config - current cpu frequency configuration
+ * @freq: The current settings for the core clocks.
+ * @max: Maxium settings, derived from core, board and user settings.
+ * @pll: The PLL table entry for the current PLL settings.
+ * @divs: The divisor settings for the core clocks.
+ * @info: The current core driver information.
+ * @board: The information for the board we are running on.
+ * @lock_pll: Set if the PLL settings cannot be changed.
+ *
+ * This is for the core drivers that need to know information about
+ * the current settings and values. It should not be needed by any
+ * device drivers.
+*/
+struct s3c_cpufreq_config {
+ struct s3c_freq freq;
+ struct s3c_freq max;
+ struct cpufreq_frequency_table pll;
+ struct s3c_clkdivs divs;
+ struct s3c_cpufreq_info *info; /* for core, not drivers */
+ struct s3c_cpufreq_board *board;
+
+ unsigned int lock_pll:1;
+};
+
+/**
+ * struct s3c_cpufreq_info - Information for the CPU frequency driver.
+ * @name: The name of this implementation.
+ * @max: The maximum frequencies for the system.
+ * @latency: Transition latency to give to cpufreq.
+ * @locktime_m: The lock-time in uS for the MPLL.
+ * @locktime_u: The lock-time in uS for the UPLL.
+ * @locttime_bits: The number of bits each LOCKTIME field.
+ * @need_pll: Set if this driver needs to change the PLL values to achieve
+ * any frequency changes. This is really only need by devices like the
+ * S3C2410 where there is no or limited divider between the PLL and the
+ * ARMCLK.
+ * @resume_clocks: Update the clocks on resume.
+ * @get_iotiming: Get the current IO timing data, mainly for use at start.
+ * @set_iotiming: Update the IO timings from the cached copies calculated
+ * from the @calc_iotiming entry when changing the frequency.
+ * @calc_iotiming: Calculate and update the cached copies of the IO timings
+ * from the newly calculated frequencies.
+ * @calc_freqtable: Calculate (fill in) the given frequency table from the
+ * current frequency configuration. If the table passed in is NULL,
+ * then the return is the number of elements to be filled for allocation
+ * of the table.
+ * @set_refresh: Set the memory refresh configuration.
+ * @set_fvco: Set the PLL frequencies.
+ * @set_divs: Update the clock divisors.
+ * @calc_divs: Calculate the clock divisors.
+ */
+struct s3c_cpufreq_info {
+ const char *name;
+ struct s3c_freq max;
+
+ unsigned int latency;
+
+ unsigned int locktime_m;
+ unsigned int locktime_u;
+ unsigned char locktime_bits;
+
+ unsigned int need_pll:1;
+
+ /* driver routines */
+
+ void (*resume_clocks)(void);
+
+ int (*get_iotiming)(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *timings);
+
+ void (*set_iotiming)(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *timings);
+
+ int (*calc_iotiming)(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *timings);
+
+ int (*calc_freqtable)(struct s3c_cpufreq_config *cfg,
+ struct cpufreq_frequency_table *t,
+ size_t table_size);
+
+ void (*debug_io_show)(struct seq_file *seq,
+ struct s3c_cpufreq_config *cfg,
+ union s3c_iobank *iob);
+
+ void (*set_refresh)(struct s3c_cpufreq_config *cfg);
+ void (*set_fvco)(struct s3c_cpufreq_config *cfg);
+ void (*set_divs)(struct s3c_cpufreq_config *cfg);
+ int (*calc_divs)(struct s3c_cpufreq_config *cfg);
+};
+
+extern int s3c_cpufreq_register(struct s3c_cpufreq_info *info);
+
+extern int s3c_plltab_register(struct cpufreq_frequency_table *plls,
+ unsigned int plls_no);
+
+/* exports and utilities for debugfs */
+extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
+extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
+
+extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
+ struct s3c_cpufreq_config *cfg,
+ union s3c_iobank *iob);
+
+extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
+ struct s3c_cpufreq_config *cfg,
+ union s3c_iobank *iob);
+
+#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
+#define s3c_cpufreq_debugfs_call(x) x
+#else
+#define s3c_cpufreq_debugfs_call(x) NULL
+#endif
+
+/* Useful utility functions. */
+
+extern struct clk *s3c_cpufreq_clk_get(struct device *, const char *);
+
+/* S3C2410 and compatible exported functions */
+
+extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg);
+extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg);
+
+#ifdef CONFIG_S3C2410_IOTIMING
+extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *iot);
+
+extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *timings);
+
+extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *iot);
+#else
+#define s3c2410_iotiming_calc NULL
+#define s3c2410_iotiming_get NULL
+#define s3c2410_iotiming_set NULL
+#endif /* CONFIG_S3C2410_IOTIMING */
+
+/* S3C2412 compatible routines */
+
+extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *timings);
+
+extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *timings);
+
+extern int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *iot);
+
+extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
+ struct s3c_iotimings *iot);
+
+#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG
+#define s3c_freq_dbg(x...) printk(KERN_INFO x)
+#else
+#define s3c_freq_dbg(x...) do { if (0) printk(x); } while (0)
+#endif /* CONFIG_CPU_FREQ_S3C24XX_DEBUG */
+
+#ifdef CONFIG_CPU_FREQ_S3C24XX_IODEBUG
+#define s3c_freq_iodbg(x...) printk(KERN_INFO x)
+#else
+#define s3c_freq_iodbg(x...) do { if (0) printk(x); } while (0)
+#endif /* CONFIG_CPU_FREQ_S3C24XX_IODEBUG */
+
+static inline int s3c_cpufreq_addfreq(struct cpufreq_frequency_table *table,
+ int index, size_t table_size,
+ unsigned int freq)
+{
+ if (index < 0)
+ return index;
+
+ if (table) {
+ if (index >= table_size)
+ return -ENOMEM;
+
+ s3c_freq_dbg("%s: { %d = %u kHz }\n",
+ __func__, index, freq);
+
+ table[index].index = index;
+ table[index].frequency = freq;
+ }
+
+ return index + 1;
+}
diff --git a/arch/arm/plat-samsung/include/plat/ehci.h b/arch/arm/plat-samsung/include/plat/ehci.h
new file mode 100644
index 00000000000..5f28cae1858
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/ehci.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.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.
+ */
+
+#ifndef __PLAT_SAMSUNG_EHCI_H
+#define __PLAT_SAMSUNG_EHCI_H __FILE__
+
+struct s5p_ehci_platdata {
+ int (*phy_init)(struct platform_device *pdev, int type);
+ int (*phy_exit)(struct platform_device *pdev, int type);
+};
+
+extern void s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd);
+
+#endif /* __PLAT_SAMSUNG_EHCI_H */
diff --git a/arch/arm/plat-samsung/include/plat/exynos4.h b/arch/arm/plat-samsung/include/plat/exynos4.h
new file mode 100644
index 00000000000..20d73bf7753
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/exynos4.h
@@ -0,0 +1,35 @@
+/* linux/arch/arm/plat-samsung/include/plat/exynos4.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Header file for exynos4 cpu support
+ *
+ * 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.
+*/
+
+/* Common init code for EXYNOS4 related SoCs */
+
+extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void exynos4_register_clocks(void);
+extern void exynos4210_register_clocks(void);
+extern void exynos4212_register_clocks(void);
+extern void exynos4_setup_clocks(void);
+
+#ifdef CONFIG_ARCH_EXYNOS4
+extern int exynos4_init(void);
+extern void exynos4_init_irq(void);
+extern void exynos4_map_io(void);
+extern void exynos4_init_clocks(int xtal);
+extern struct sys_timer exynos4_timer;
+
+#define exynos4_init_uarts exynos4_common_init_uarts
+
+#else
+#define exynos4_init_clocks NULL
+#define exynos4_init_uarts NULL
+#define exynos4_map_io NULL
+#define exynos4_init NULL
+#endif
diff --git a/arch/arm/plat-samsung/include/plat/fiq.h b/arch/arm/plat-samsung/include/plat/fiq.h
new file mode 100644
index 00000000000..535d06a3562
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/fiq.h
@@ -0,0 +1,13 @@
+/* linux/arch/arm/plat-samsung/include/plat/fiq.h
+ *
+ * Copyright (c) 2009 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for S3C24XX CPU FIQ support
+ *
+ * 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.
+*/
+
+extern int s3c24xx_set_fiq(unsigned int irq, bool on);
diff --git a/arch/arm/plat-samsung/include/plat/irq.h b/arch/arm/plat-samsung/include/plat/irq.h
new file mode 100644
index 00000000000..e21a89bc26c
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/irq.h
@@ -0,0 +1,116 @@
+/* linux/arch/arm/plat-samsung/include/plat/irq.h
+ *
+ * Copyright (c) 2004-2005 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for S3C24XX CPU IRQ support
+ *
+ * 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/io.h>
+
+#include <mach/hardware.h>
+#include <mach/regs-irq.h>
+#include <mach/regs-gpio.h>
+
+#define irqdbf(x...)
+#define irqdbf2(x...)
+
+#define EXTINT_OFF (IRQ_EINT4 - 4)
+
+/* these are exported for arch/arm/mach-* usage */
+extern struct irq_chip s3c_irq_level_chip;
+extern struct irq_chip s3c_irq_chip;
+
+static inline void s3c_irqsub_mask(unsigned int irqno,
+ unsigned int parentbit,
+ int subcheck)
+{
+ unsigned long mask;
+ unsigned long submask;
+
+ submask = __raw_readl(S3C2410_INTSUBMSK);
+ mask = __raw_readl(S3C2410_INTMSK);
+
+ submask |= (1UL << (irqno - IRQ_S3CUART_RX0));
+
+ /* check to see if we need to mask the parent IRQ */
+
+ if ((submask & subcheck) == subcheck)
+ __raw_writel(mask | parentbit, S3C2410_INTMSK);
+
+ /* write back masks */
+ __raw_writel(submask, S3C2410_INTSUBMSK);
+
+}
+
+static inline void s3c_irqsub_unmask(unsigned int irqno,
+ unsigned int parentbit)
+{
+ unsigned long mask;
+ unsigned long submask;
+
+ submask = __raw_readl(S3C2410_INTSUBMSK);
+ mask = __raw_readl(S3C2410_INTMSK);
+
+ submask &= ~(1UL << (irqno - IRQ_S3CUART_RX0));
+ mask &= ~parentbit;
+
+ /* write back masks */
+ __raw_writel(submask, S3C2410_INTSUBMSK);
+ __raw_writel(mask, S3C2410_INTMSK);
+}
+
+
+static inline void s3c_irqsub_maskack(unsigned int irqno,
+ unsigned int parentmask,
+ unsigned int group)
+{
+ unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0);
+
+ s3c_irqsub_mask(irqno, parentmask, group);
+
+ __raw_writel(bit, S3C2410_SUBSRCPND);
+
+ /* only ack parent if we've got all the irqs (seems we must
+ * ack, all and hope that the irq system retriggers ok when
+ * the interrupt goes off again)
+ */
+
+ if (1) {
+ __raw_writel(parentmask, S3C2410_SRCPND);
+ __raw_writel(parentmask, S3C2410_INTPND);
+ }
+}
+
+static inline void s3c_irqsub_ack(unsigned int irqno,
+ unsigned int parentmask,
+ unsigned int group)
+{
+ unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0);
+
+ __raw_writel(bit, S3C2410_SUBSRCPND);
+
+ /* only ack parent if we've got all the irqs (seems we must
+ * ack, all and hope that the irq system retriggers ok when
+ * the interrupt goes off again)
+ */
+
+ if (1) {
+ __raw_writel(parentmask, S3C2410_SRCPND);
+ __raw_writel(parentmask, S3C2410_INTPND);
+ }
+}
+
+/* exported for use in arch/arm/mach-s3c2410 */
+
+#ifdef CONFIG_PM
+extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
+#else
+#define s3c_irq_wake NULL
+#endif
+
+extern int s3c_irqext_type(struct irq_data *d, unsigned int type);
diff --git a/arch/arm/plat-samsung/include/plat/irqs.h b/arch/arm/plat-samsung/include/plat/irqs.h
new file mode 100644
index 00000000000..94ecf8c5c85
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/irqs.h
@@ -0,0 +1,115 @@
+/* linux/arch/arm/plat-samsung/include/plat/irqs.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P Common IRQ support
+ *
+ * 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.
+*/
+
+#ifndef __PLAT_SAMSUNG_IRQS_H
+#define __PLAT_SAMSUNG_IRQS_H __FILE__
+
+/* we keep the first set of CPU IRQs out of the range of
+ * the ISA space, so that the PC104 has them to itself
+ * and we don't end up having to do horrible things to the
+ * standard ISA drivers....
+ *
+ * note, since we're using the VICs, our start must be a
+ * mulitple of 32 to allow the common code to work
+ */
+
+#define S5P_IRQ_OFFSET (32)
+
+#define S5P_IRQ(x) ((x) + S5P_IRQ_OFFSET)
+
+#define S5P_VIC0_BASE S5P_IRQ(0)
+#define S5P_VIC1_BASE S5P_IRQ(32)
+#define S5P_VIC2_BASE S5P_IRQ(64)
+#define S5P_VIC3_BASE S5P_IRQ(96)
+
+#define VIC_BASE(x) (S5P_VIC0_BASE + ((x)*32))
+
+#define IRQ_VIC0_BASE S5P_VIC0_BASE
+#define IRQ_VIC1_BASE S5P_VIC1_BASE
+#define IRQ_VIC2_BASE S5P_VIC2_BASE
+
+/* UART interrupts, each UART has 4 intterupts per channel so
+ * use the space between the ISA and S3C main interrupts. Note, these
+ * are not in the same order as the S3C24XX series! */
+
+#define IRQ_S5P_UART_BASE0 (16)
+#define IRQ_S5P_UART_BASE1 (20)
+#define IRQ_S5P_UART_BASE2 (24)
+#define IRQ_S5P_UART_BASE3 (28)
+
+#define UART_IRQ_RXD (0)
+#define UART_IRQ_ERR (1)
+#define UART_IRQ_TXD (2)
+
+#define IRQ_S5P_UART_RX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR0 (IRQ_S5P_UART_BASE0 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR1 (IRQ_S5P_UART_BASE1 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR2 (IRQ_S5P_UART_BASE2 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR3 (IRQ_S5P_UART_BASE3 + UART_IRQ_ERR)
+
+/* S3C compatibilty defines */
+#define IRQ_S3CUART_RX0 IRQ_S5P_UART_RX0
+#define IRQ_S3CUART_RX1 IRQ_S5P_UART_RX1
+#define IRQ_S3CUART_RX2 IRQ_S5P_UART_RX2
+#define IRQ_S3CUART_RX3 IRQ_S5P_UART_RX3
+
+/* VIC based IRQs */
+
+#define S5P_IRQ_VIC0(x) (S5P_VIC0_BASE + (x))
+#define S5P_IRQ_VIC1(x) (S5P_VIC1_BASE + (x))
+#define S5P_IRQ_VIC2(x) (S5P_VIC2_BASE + (x))
+#define S5P_IRQ_VIC3(x) (S5P_VIC3_BASE + (x))
+
+#define S5P_TIMER_IRQ(x) (11 + (x))
+
+#define IRQ_TIMER0 S5P_TIMER_IRQ(0)
+#define IRQ_TIMER1 S5P_TIMER_IRQ(1)
+#define IRQ_TIMER2 S5P_TIMER_IRQ(2)
+#define IRQ_TIMER3 S5P_TIMER_IRQ(3)
+#define IRQ_TIMER4 S5P_TIMER_IRQ(4)
+
+#define IRQ_EINT(x) ((x) < 16 ? ((x) + S5P_EINT_BASE1) \
+ : ((x) - 16 + S5P_EINT_BASE2))
+
+#define EINT_OFFSET(irq) ((irq) < S5P_EINT_BASE2 ? \
+ ((irq) - S5P_EINT_BASE1) : \
+ ((irq) + 16 - S5P_EINT_BASE2))
+
+#define IRQ_EINT_BIT(x) EINT_OFFSET(x)
+
+/* Typically only a few gpio chips require gpio interrupt support.
+ To avoid memory waste irq descriptors are allocated only for
+ S5P_GPIOINT_GROUP_COUNT chips, each with total number of
+ S5P_GPIOINT_GROUP_SIZE pins/irqs. Each GPIOINT group can be assiged
+ to any gpio chip with the s5p_register_gpio_interrupt() function */
+#define S5P_GPIOINT_GROUP_COUNT 4
+#define S5P_GPIOINT_GROUP_SIZE 8
+#define S5P_GPIOINT_COUNT (S5P_GPIOINT_GROUP_COUNT * S5P_GPIOINT_GROUP_SIZE)
+
+/* IRQ types common for all s5p platforms */
+#define S5P_IRQ_TYPE_LEVEL_LOW (0x00)
+#define S5P_IRQ_TYPE_LEVEL_HIGH (0x01)
+#define S5P_IRQ_TYPE_EDGE_FALLING (0x02)
+#define S5P_IRQ_TYPE_EDGE_RISING (0x03)
+#define S5P_IRQ_TYPE_EDGE_BOTH (0x04)
+
+#endif /* __PLAT_SAMSUNG_IRQS_H */
diff --git a/arch/arm/plat-samsung/include/plat/mci.h b/arch/arm/plat-samsung/include/plat/mci.h
new file mode 100644
index 00000000000..c42d3171194
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/mci.h