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yaml
---
r: 187679
b: refs/heads/master
c: 5f7f6a4
h: refs/heads/master
i:
  187677: ffd9dff
  187675: 4abdd17
  187671: b1b837f
  187663: 877e3eb
  187647: d395912
v: v3
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Kukjin Kim authored and Ben Dooks committed Feb 24, 2010
1 parent 1efb7f4 commit 8ac3ab0
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: a0af8b3c701d254b55fc291150d5320317c0a338
refs/heads/master: 5f7f6a4a0df9b43051d57fdb8ea96c083247a08f
24 changes: 24 additions & 0 deletions trunk/arch/arm/mach-s5p6442/Kconfig
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# arch/arm/mach-s5p6442/Kconfig
#
# Copyright (c) 2010 Samsung Electronics Co., Ltd.
# http://www.samsung.com/
#
# Licensed under GPLv2

# Configuration options for the S5P6442

if ARCH_S5P6442

config CPU_S5P6442
bool
select PLAT_S5P
help
Enable S5P6442 CPU support

config MACH_SMDK6442
bool "SMDK6442"
select CPU_S5P6442
help
Machine support for Samsung SMDK6442

endif
18 changes: 18 additions & 0 deletions trunk/arch/arm/mach-s5p6442/Makefile
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# arch/arm/mach-s5p6442/Makefile
#
# Copyright (c) 2010 Samsung Electronics Co., Ltd.
# http://www.samsung.com/
#
# Licensed under GPLv2

obj-y :=
obj-m :=
obj-n :=
obj- :=

# Core support for S5P6442 system

obj-$(CONFIG_CPU_S5P6442) += cpu.o init.o

# machine support

2 changes: 2 additions & 0 deletions trunk/arch/arm/mach-s5p6442/Makefile.boot
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zreladdr-y := 0x20008000
params_phys-y := 0x20000100
121 changes: 121 additions & 0 deletions trunk/arch/arm/mach-s5p6442/cpu.c
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/* linux/arch/arm/mach-s5p6442/cpu.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* 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/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/proc-fns.h>

#include <mach/hardware.h>
#include <mach/map.h>
#include <asm/irq.h>

#include <plat/regs-serial.h>
#include <mach/regs-clock.h>

#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/clock.h>
#include <plat/s5p6442.h>

/* Initial IO mappings */

static struct map_desc s5p6442_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5P_VA_SYSTIMER,
.pfn = __phys_to_pfn(S5P6442_PA_SYSTIMER),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)VA_VIC2,
.pfn = __phys_to_pfn(S5P6442_PA_VIC2),
.length = SZ_16K,
.type = MT_DEVICE,
}
};

static void s5p6442_idle(void)
{
if (!need_resched())
cpu_do_idle();

local_irq_enable();
}

/* s5p6442_map_io
*
* register the standard cpu IO areas
*/

void __init s5p6442_map_io(void)
{
iotable_init(s5p6442_iodesc, ARRAY_SIZE(s5p6442_iodesc));
}

void __init s5p6442_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initializing clocks\n", __func__);

s3c24xx_register_baseclocks(xtal);
s5p_register_clocks(xtal);
s5p6442_register_clocks();
s5p6442_setup_clocks();
}

void __init s5p6442_init_irq(void)
{
/* S5P6442 supports 3 VIC */
u32 vic[3];

/* VIC0, VIC1, and VIC2: some interrupt reserved */
vic[0] = 0x7fefffff;
vic[1] = 0X7f389c81;
vic[2] = 0X1bbbcfff;

s5p_init_irq(vic, ARRAY_SIZE(vic));
}

static struct sysdev_class s5p6442_sysclass = {
.name = "s5p6442-core",
};

static struct sys_device s5p6442_sysdev = {
.cls = &s5p6442_sysclass,
};

static int __init s5p6442_core_init(void)
{
return sysdev_class_register(&s5p6442_sysclass);
}

core_initcall(s5p6442_core_init);

int __init s5p6442_init(void)
{
printk(KERN_INFO "S5P6442: Initializing architecture\n");

/* set idle function */
pm_idle = s5p6442_idle;

return sysdev_register(&s5p6442_sysdev);
}
36 changes: 36 additions & 0 deletions trunk/arch/arm/mach-s5p6442/include/mach/debug-macro.S
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/* linux/arch/arm/mach-s5p6442/include/mach/debug-macro.S
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S
*
* 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.
*/

/* pull in the relevant register and map files. */

#include <mach/map.h>
#include <plat/regs-serial.h>

.macro addruart, rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1
ldreq \rx, = S3C_PA_UART
ldrne \rx, = S3C_VA_UART
#if CONFIG_DEBUG_S3C_UART != 0
add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
#endif
.endm

#define fifo_full fifo_full_s5pv210
#define fifo_level fifo_level_s5pv210

/* include the reset of the code which will do the work, we're only
* compiling for a single cpu processor type so the default of s3c2440
* will be fine with us.
*/

#include <plat/debug-macro.S>
48 changes: 48 additions & 0 deletions trunk/arch/arm/mach-s5p6442/include/mach/entry-macro.S
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/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Low-level IRQ helper macros for the Samsung S5P6442
*
* 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 <asm/hardware/vic.h>
#include <mach/map.h>
#include <plat/irqs.h>

.macro disable_fiq
.endm

.macro get_irqnr_preamble, base, tmp
ldr \base, =VA_VIC0
.endm

.macro arch_ret_to_user, tmp1, tmp2
.endm

.macro get_irqnr_and_base, irqnr, irqstat, base, tmp

@ check the vic0
mov \irqnr, # S5P_IRQ_OFFSET + 31
ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
teq \irqstat, #0

@ otherwise try vic1
addeq \tmp, \base, #(VA_VIC1 - VA_VIC0)
addeq \irqnr, \irqnr, #32
ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
teqeq \irqstat, #0

@ otherwise try vic2
addeq \tmp, \base, #(VA_VIC2 - VA_VIC0)
addeq \irqnr, \irqnr, #32
ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
teqeq \irqstat, #0

clzne \irqstat, \irqstat
subne \irqnr, \irqnr, \irqstat
.endm
123 changes: 123 additions & 0 deletions trunk/arch/arm/mach-s5p6442/include/mach/gpio.h
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/* linux/arch/arm/mach-s5p6442/include/mach/gpio.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* S5P6442 - GPIO lib 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 __ASM_ARCH_GPIO_H
#define __ASM_ARCH_GPIO_H __FILE__

#define gpio_get_value __gpio_get_value
#define gpio_set_value __gpio_set_value
#define gpio_cansleep __gpio_cansleep
#define gpio_to_irq __gpio_to_irq

/* GPIO bank sizes */
#define S5P6442_GPIO_A0_NR (8)
#define S5P6442_GPIO_A1_NR (2)
#define S5P6442_GPIO_B_NR (4)
#define S5P6442_GPIO_C0_NR (5)
#define S5P6442_GPIO_C1_NR (5)
#define S5P6442_GPIO_D0_NR (2)
#define S5P6442_GPIO_D1_NR (6)
#define S5P6442_GPIO_E0_NR (8)
#define S5P6442_GPIO_E1_NR (5)
#define S5P6442_GPIO_F0_NR (8)
#define S5P6442_GPIO_F1_NR (8)
#define S5P6442_GPIO_F2_NR (8)
#define S5P6442_GPIO_F3_NR (6)
#define S5P6442_GPIO_G0_NR (7)
#define S5P6442_GPIO_G1_NR (7)
#define S5P6442_GPIO_G2_NR (7)
#define S5P6442_GPIO_H0_NR (8)
#define S5P6442_GPIO_H1_NR (8)
#define S5P6442_GPIO_H2_NR (8)
#define S5P6442_GPIO_H3_NR (8)
#define S5P6442_GPIO_J0_NR (8)
#define S5P6442_GPIO_J1_NR (6)
#define S5P6442_GPIO_J2_NR (8)
#define S5P6442_GPIO_J3_NR (8)
#define S5P6442_GPIO_J4_NR (5)

/* GPIO bank numbers */

/* CONFIG_S3C_GPIO_SPACE allows the user to select extra
* space for debugging purposes so that any accidental
* change from one gpio bank to another can be caught.
*/

#define S5P6442_GPIO_NEXT(__gpio) \
((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)

enum s5p_gpio_number {
S5P6442_GPIO_A0_START = 0,
S5P6442_GPIO_A1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_A0),
S5P6442_GPIO_B_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_A1),
S5P6442_GPIO_C0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_B),
S5P6442_GPIO_C1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_C0),
S5P6442_GPIO_D0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_C1),
S5P6442_GPIO_D1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_D0),
S5P6442_GPIO_E0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_D1),
S5P6442_GPIO_E1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_E0),
S5P6442_GPIO_F0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_E1),
S5P6442_GPIO_F1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F0),
S5P6442_GPIO_F2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F1),
S5P6442_GPIO_F3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F2),
S5P6442_GPIO_G0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F3),
S5P6442_GPIO_G1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G0),
S5P6442_GPIO_G2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G1),
S5P6442_GPIO_H0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G2),
S5P6442_GPIO_H1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H0),
S5P6442_GPIO_H2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H1),
S5P6442_GPIO_H3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H2),
S5P6442_GPIO_J0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H3),
S5P6442_GPIO_J1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J0),
S5P6442_GPIO_J2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J1),
S5P6442_GPIO_J3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J2),
S5P6442_GPIO_J4_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J3),
};

/* S5P6442 GPIO number definitions. */
#define S5P6442_GPA0(_nr) (S5P6442_GPIO_A0_START + (_nr))
#define S5P6442_GPA1(_nr) (S5P6442_GPIO_A1_START + (_nr))
#define S5P6442_GPB(_nr) (S5P6442_GPIO_B_START + (_nr))
#define S5P6442_GPC0(_nr) (S5P6442_GPIO_C0_START + (_nr))
#define S5P6442_GPC1(_nr) (S5P6442_GPIO_C1_START + (_nr))
#define S5P6442_GPD0(_nr) (S5P6442_GPIO_D0_START + (_nr))
#define S5P6442_GPD1(_nr) (S5P6442_GPIO_D1_START + (_nr))
#define S5P6442_GPE0(_nr) (S5P6442_GPIO_E0_START + (_nr))
#define S5P6442_GPE1(_nr) (S5P6442_GPIO_E1_START + (_nr))
#define S5P6442_GPF0(_nr) (S5P6442_GPIO_F0_START + (_nr))
#define S5P6442_GPF1(_nr) (S5P6442_GPIO_F1_START + (_nr))
#define S5P6442_GPF2(_nr) (S5P6442_GPIO_F2_START + (_nr))
#define S5P6442_GPF3(_nr) (S5P6442_GPIO_F3_START + (_nr))
#define S5P6442_GPG0(_nr) (S5P6442_GPIO_G0_START + (_nr))
#define S5P6442_GPG1(_nr) (S5P6442_GPIO_G1_START + (_nr))
#define S5P6442_GPG2(_nr) (S5P6442_GPIO_G2_START + (_nr))
#define S5P6442_GPH0(_nr) (S5P6442_GPIO_H0_START + (_nr))
#define S5P6442_GPH1(_nr) (S5P6442_GPIO_H1_START + (_nr))
#define S5P6442_GPH2(_nr) (S5P6442_GPIO_H2_START + (_nr))
#define S5P6442_GPH3(_nr) (S5P6442_GPIO_H3_START + (_nr))
#define S5P6442_GPJ0(_nr) (S5P6442_GPIO_J0_START + (_nr))
#define S5P6442_GPJ1(_nr) (S5P6442_GPIO_J1_START + (_nr))
#define S5P6442_GPJ2(_nr) (S5P6442_GPIO_J2_START + (_nr))
#define S5P6442_GPJ3(_nr) (S5P6442_GPIO_J3_START + (_nr))
#define S5P6442_GPJ4(_nr) (S5P6442_GPIO_J4_START + (_nr))

/* the end of the S5P6442 specific gpios */
#define S5P6442_GPIO_END (S5P6442_GPJ4(S5P6442_GPIO_J4_NR) + 1)
#define S3C_GPIO_END S5P6442_GPIO_END

/* define the number of gpios we need to the one after the GPJ4() range */
#define ARCH_NR_GPIOS (S5P6442_GPJ4(S5P6442_GPIO_J4_NR) + \
CONFIG_SAMSUNG_GPIO_EXTRA + 1)

#include <asm-generic/gpio.h>

#endif /* __ASM_ARCH_GPIO_H */
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