Commit Graph

3892 Commits

Author SHA1 Message Date
Ben Dooks
8a53bdb907 [ARM] S3C: Add GPIO chip tracking
The gpiolib driver keeps its chip array to itself
and having a separate array for s3c-only gpios stops
any non-s3c gpio being used in one of the s3c specific
configuration calls.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:33:42 +00:00
Ben Dooks
7db6c82a37 [ARM] S3C: Move common GPIO code from plat-s3c24xx
Move the common parts of the GPIO code into plat-s3c
for use with both the s3c24xx and s3c64xx systems.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:33:20 +00:00
Ben Dooks
efd3a8eb15 [ARM] S3C64XX: Add gpio bank numbering
Define the gpio numbers for the S3C64XX GPIO banks
available on the S3C6400 and S3C6410.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:33:08 +00:00
Ben Dooks
39057f237d [ARM] SMDK6410: Add HSMMC0 device
Add HSMMC0 device to SMDK6410.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:32:52 +00:00
Ben Dooks
5b323c7beb [ARM] S3C: Move HSMMC device definition to plat-s3ec
Move the definition for the hsmmc device to plat-s3c
to be shared between the s3c24xx and s3c64xx platforms.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:32:34 +00:00
Ben Dooks
8cdf47cb4b [ARM] S3C64XX: Add external interrupt group definitions
Add definitions for the external interrupt groups which accompany
the original IRQ_EINT from the s3c24xx series.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:19:49 +00:00
Ben Dooks
f945ee13cf [ARM] S3C64XX: Fix warnings from map_io initilaisers
Discard the 'void *' from the pointers used for the
virtual addresses when setting up the .virtual fields
of the io map to avoid implicit cast warnings

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

 Index: linux.git/arch/arm/plat-s3c64xx/cpu.c
===================================================================
2008-12-15 23:19:35 +00:00
Ben Dooks
39669f594e [ARM] S3C64XX: Reduce some output from INFO to DEBUG
Some of the startup output can be reduced to
KERN_DEBUG from KERN_INFO as it is only really
useful when trying to debug kernel initialisation
problems.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:18:21 +00:00
Ben Dooks
92117a1fd3 [ARM] S3C64XX: Add s3c6400_defconfig
Add a basic defconfig for s3c6400 series machines.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:17:55 +00:00
Ben Dooks
5718df9dd0 [ARM] SMDK6410: Initial machine support
Initial machine support for the Samsung SMDK6410.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:16:07 +00:00
Ben Dooks
80789e7915 [ARM] S3C64XX: Add IRQ_EINT support
Add the necessary code to support IRQ_EINT(x) on
the S3C64XX series of CPUs.

Note, since there is no GPIO configuration support
in the kernel, the irq set_type method does not
configure the relevant pin to interrupt.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:15:46 +00:00
Ben Dooks
94df868b88 [ARM] S3C64XX: Map GPIO block
Add mapping for GPIO block in the static mappings.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:03:41 +00:00
Ben Dooks
a801cd6192 [ARM] VIC: Update asm/hardware/vic.h with PL192 information
The original arch/arm/include/asm/hardware/vic.h was
written for the PL190 ARM VIC implementation, and as
such does not have any information about the PL192
version.

Add details about the PL192 and PL190 specific registers
and any changes between the two units.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:03:10 +00:00
Ben Dooks
3e694d4bc6 [ARM] S3C64XX: Demux UART interrupts
Add demux handling for the UART interrupts
generated by the VIC into their seperate IRQs
that the serial driver can register.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 23:02:58 +00:00
Ben Dooks
b690ace50b [ARM] S3C6400: serial support for S3C6400 and S3C6410 SoCs
Add support to the Samsung serial driver for the S3C6400
and S3C6410 serial ports.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:58:11 +00:00
Ben Dooks
cf18acf0e0 [ARM] S3C64XX: Clock support for S3C6400/S3C6410
Add the PLL clock initialisation and clock registration
and include the clocks sourced via CLKDIVx for most of
the on-chip peripherals.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:54:36 +00:00
Ben Dooks
c652d2ddb9 [ARM] S3C: Add TICK_MAX for timer code
Add TICK_MAX definition for the timer code
as the S3C64XX series have 32bit capable
PWM timers.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:54:16 +00:00
Ben Dooks
4b31d8b225 [ARM] S3C64XX: Add initial clock framework
Add the initial clocks definitions for the s3c6400
and s3c6410. Move the epll and ext clock from the
s3c2443 support into the common code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:53:58 +00:00
Ben Dooks
952b564b4d [ARM] S3C64XX: Add PLL definitions
Add definitions for the s3c6400 epll and main pll
as well as functions to decode the rate. Add

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:53:38 +00:00
Ben Dooks
aa64ea3f78 [ARM] S3C64XX: Common init code for S3C6400 and S3C6410
Add the common initialisation code for both the
S3C6400 and S3C6410, the UART registration.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:53:14 +00:00
Ben Dooks
f982dc5321 [ARM] S3C64XX: Map timer memory and interrupts
Add the physical to virtual memory mapping and the
necessary interrupt demuxing for the PWM timer blocks.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:52:51 +00:00
Ben Dooks
e550ae7416 [ARM] S3C: Fix PWM build on S3C6400
The pwm-clock.c needs <mach/map.h> which is included
via other means on S3C24XX systems, so ensure it is
explicitly included.

Remove the includes of regs-clock.h and regs-gpio.h as
these are not needed by the build.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:52:11 +00:00
Ben Dooks
59ff6f2c0e [ARM] S3C6400: Add <mach/tick.h>
Add the necessary support for the timer on the
S3C6400 and S3C6410 by adding <mach/tick.h>

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:51:52 +00:00
Ben Dooks
d9b79fb568 [ARM] S3C64XX: Add VIC0 and VIC1 sourced interripts
Add and initialise the two VIC (PL192) found on
the S3C64XX series CPUs.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:51:22 +00:00
Ben Dooks
d626aeedc9 [ARM] S3C6410: Initial CPU support code
Initial support for the Samsung S3C6410 SoC.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:51:04 +00:00
Ben Dooks
beda30f6a9 [ARM] S3C64XX: Basic CPU detection and map initialisation
Initialise the basic physical to virtual mappings and
then detect the CPU that the system is being run on so
that the cpu code code can call the correct initialisation
code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:50:31 +00:00
Ben Dooks
c142f173cd [ARM] S3C64XX: Add IRQ definitions for VIC0 and VIC1
Add IRQ definitions for the VIC0 and VIC1 interrupts
on the S3C6400 and S3C6410 SoCs.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:50:06 +00:00
Ben Dooks
0241cbb9d6 [ARM] S3C64XX: Add UARTdevice definitions
Add resources and information for the UART deviecs
on the S3C64XX CPUs.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:49:46 +00:00
Ben Dooks
e1a2bd1d2f [ARM] S3C64XX: Add system boot-time support
Add the necessary defines for <mach/uncompress.h>
to function and build an working header code block.

Signed-off-by: Ben Doioks <ben-linux@fluff.org>
2008-12-15 21:49:32 +00:00
Ben Dooks
0660fed465 [ARM] S3C64XX: Add <plat/regs-clock.h>
Initial clock register defines.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:49:11 +00:00
Ben Dooks
dcb0902b47 [ARM] S3C64XX: Add <mach/debug-macro.S>
Add the necessary support for the kernel low-level
debug macros via <mach/debug-macro.S>

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:47:31 +00:00
Ben Dooks
a520979745 [ARM] S3C64XX: Add <mach/entry-macro.S>
Add the include for the interrupt entry macros needed
to be included by <mach/entry-macro.S> for the kernel
interrupt handler.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:47:29 +00:00
Ben Dooks
d521f87e9c [ARM] S3C64XX: Initial arch header files
Add the initial header files for the S3C64XX support to satisfy the
minimal requirements to build a kernel. Some definitions will therefore
be placeholders or empty functions that will ensure that the system can
build and have base functionality. These will be filled in at a later
date.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:47:27 +00:00
Ben Dooks
a08ab63761 [ARM] S3C64XX: Initial arch directory
Add the initial PLAT_S3C64XX support files
and directory structure.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:47:24 +00:00
Ben Dooks
9bc1aaeac0 [ARM] S3C24XX: Split timer pending code out
Split the timer pending code out to a seperate per-machine
header so that when compiling for mach-s3c2410 or mach-s3c24a0
we can use the right timer code without having to #ifdef the
timer driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:41 +00:00
Ben Dooks
bcae8aeb32 [ARM] S3C24A0: Initial architecture support files
Initial architecture support for the S3C24A0 ARCH_S3C24A0.

We don't yet add an kconfig entry in the main arch/arm/Kconfig
file as the series is not complete, so that is left until enough
support is in to be useful.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:39 +00:00
Ben Dooks
ce46a9c497 [ARM] S3C24XX: Split map.h into plat-s3c24xx and mach-s3c2410
Split the map.h definitions into common S3C24XX code by
adding arch/arm/plat-s3c24xx/include/plat/map.h and
altering the machine specific header for the S3C24A0.

As we add a new <plat/map.h> we move the original one
in arch/arm/plat-s3c include directory to be called
map-base.h to distinguish the two files.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:38 +00:00
Sandeep Patil
1d4bab0824 [ARM] S3C24A0: Serial port definitions and driver support.
Add serial support for S3C24A0, based on current S3C2410
UART driver. It adds necessary new defines in regs-serial.h
for S3C24A0 and the code to support this device in
drivers/serial/s3c24a0.c

Signed-off-by: Sandeep Patil <sandeep.patil@azingo.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:36 +00:00
Ben Dooks
f0c9eb4ec2 [ARM] S3C24A0: Debug macro definitions
Add the necessary debug macros for the S3C24A0 to enable
kernel debugging, and fix a bug with selecting the wrong
default debug implementation from the base include.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:33 +00:00
Sandeep Patil
f1cb9eba5b [ARM] S3C24A0: Correct S3C2410_PA_GPIO in S3C24XX_VA_GPIO
The definition of S3C24XX_VA_GPIO used S3C2410_PA_GPIO
where it should have read S3C24XX_PA_GPIO.

Signed-off-by: Sandeep Patil <sandeep.patil@azingo.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:31 +00:00
Sandeep Patil
ddbf5654b4 [ARM] S3C24A0: arch/arm/mach-s3c24a0/include/mach header files
Add initial arch/arm/mach-s3c24a0/include/mach header
files for supporting Samsung S3C24A0 SoC.

Signed-off-by: Sandeep Patil <sandeep.patil@azingo.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:28 +00:00
Ben Dooks
7d2dbcf9fa [ARM] S3C: Fix scaler1 clock rate information
The pwm-scaler0 and pwm-scaler1 clocks have their
.id field set to -1 as they are not referenced to
any specific device. However, parts of the pwm-clock
code used the .id field to identify which scaler
clock was being used.

Fix the problem by comparing against the pointer to
the clock to identify the scalers.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:25 +00:00
Ben Dooks
82fd8e681d [ARM] S3C: Add set_rate/round_rate methods for pwm-scaler clock
Add the set_rate and round_rate methods for the pwm-scaler
clock for use with the time code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:24 +00:00
Ben Dooks
f2edc7565a [ARM] S3C24XX: Reduce code lineage of gpiolib.c
All the s3c24xx gpiolib chips share the same get/set
calls and all but one bank shares the same calls for
.direction_input and .direction_output methods.

Change the initialisation process to use an new call
to register the chips that fills in any blank calls
with the default values to avoid having to fill them
in the structure initialisers.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:24 +00:00
Ben Dooks
cec444b790 [ARM] S3C: BUG_ON() if clock has already been registered
Add a simple check when registering a clock on whether
the clock has already been added to the list.

Any attempt to re-register a clock will cause the
clock list to be come looped and thus produces silent
failures when looking up clocks.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:22 +00:00
Ben Dooks
93b458858f [ARM] S3C: Move pwm-clock.c to arch/arm/plat-s3c
Move pwm-clock.c to arch/arm/plat-s3c
to be shared with the S3C64XX implementations.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:20 +00:00
Ben Dooks
adbefaa5fd [ARM] S3C: Move core clock support to plat-s3c
Move the core clock registration and definitions
in arch/arm/plat-s3c24xx/clock.c to arch/arm/plat-s3c
to be shared with the S3C64XX implementations.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:18 +00:00
Ben Dooks
b915a12511 [ARM] S3C: Move time.c to arch/arm/plat-s3c
Move time.c to arch/arm/plat-s3c
to be shared with the S3C64XX implementations.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:15 +00:00
Ben Dooks
6af0e929e9 [ARM] S3C: Move S3C2410_EXTINT to common regs-irqtype.h header
Add a common include file (regs-irqtype.h) for the IRQ
trigger control register values S3C2410_EXTINT*.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:13 +00:00
Ben Dooks
a503059c14 [ARM] S3C24XX: Move headers from plat-s3c24xx to plat-s3c
Move clock.h, cpu.h and devs.h to plat-s3c for use
with the s3c64xx support.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-12-15 21:46:10 +00:00