Commit Graph

45 Commits

Author SHA1 Message Date
Jean-Christophe PLAGNIOL-VILLARD f363c407b4 ARM: at91: make sdram/ddr register base soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2012-02-23 14:57:56 +01:00
Jean-Christophe PLAGNIOL-VILLARD 4342d6479e ARM: at91: make matrix register base soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
Cc: linux-usb@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-23 09:24:46 +01:00
Jean-Christophe PLAGNIOL-VILLARD 0d78171672 ARM: at91: factorise duplicated at91sam9 idle
Remove duplicated at91sam9xxxx_idle() functions introduced
by commit c9dfafb "ARM: mach-at91: move special idle code out of line".
Replace by a generic at91sam9_idle() function in setup.c common
location.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2012-02-17 17:54:05 +01:00
Olof Johansson a5f17d1f4c Linux 3.3-rc2
.. several days delayed. No reason, I just didn't think of it.
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Merge tag 'v3.3-rc2' into depends/rmk/for-armsoc

There were conflicts between fixes going in after 3.3-rc1 and
Russell's stable arm-soc base branch. Resolving it in the dependency
branch so that each topic branch shares the same resolution.

Conflicts:
	arch/arm/mach-at91/at91cap9.c
	arch/arm/mach-at91/at91sam9g45.c
2012-02-07 15:05:20 -08:00
Nicolas Pitre c9dfafbaca ARM: mach-at91: move special idle code out of line
... and hook it to arm_pm_idle.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2012-01-20 18:55:10 -05:00
Jean-Christophe PLAGNIOL-VILLARD e9f68b5cc6 ARM: at91: make rstc soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2012-01-20 17:22:38 +01:00
Arnd Bergmann 40ba95fdf1 Merge branch 'depends/rmk/restart' into next/cleanup
Conflicts:
	arch/arm/mach-at91/at91cap9.c
	arch/arm/mach-at91/at91sam9260.c
	arch/arm/mach-at91/at91sam9261.c
	arch/arm/mach-at91/at91sam9263.c
	arch/arm/mach-at91/at91sam9g45.c
	arch/arm/mach-at91/at91sam9rl.c
	arch/arm/mach-exynos/cpu.c
	arch/arm/mach-shmobile/board-kota2.c

This resolves a bunch of conflicts between the arm-soc tree
and changes from the arm tree that have gone upstream.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-07 11:51:28 +00:00
Russell King 1b2073e778 ARM: restart: at91: use new restart hook
Rather than using a private function pointer, use the existing
arm_pm_restart function pointer instead.  We no longer need to enable
the I-cache in at91sam9_alt_reset() as the caches will now be on when
this function is called.

Update the function names to use the 'restart' terminology rather than
the 'reboot' terminology.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05 12:57:08 +00:00
Olof Johansson 02735a29d8 Merge branch 'at91/defconfig' into next/cleanup 2011-12-15 22:02:34 -08:00
Jean-Christophe PLAGNIOL-VILLARD 1808958d27 ARM: at91: fix clock conid for atmel_tcb.1 on 9260/9g20
The conid is supposed to be t0/t1/t2_clk.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable <stable@vger.kernel.org>
2011-11-30 17:26:52 +01:00
Jean-Christophe PLAGNIOL-VILLARD 1a2d9156b5 ARM: at91: gpio make struct at91_gpio_bank an initdata
this will simplify the switch to the DT and later to the platform_device

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2011-11-29 15:46:13 +00:00
Jean-Christophe PLAGNIOL-VILLARD 619d4a4b40 ARM: at91: switch gpio clock to clkdev
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
2011-11-29 15:46:12 +00:00
Arnd Bergmann ed20178d62 Merge branch 'drivers/macb-gem-cleanup' into at91/gpio 2011-11-29 15:44:55 +00:00
Jean-Christophe PLAGNIOL-VILLARD f22deee523 ARM: at91: make shutdown controler soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2011-11-28 22:50:38 +08:00
Jean-Christophe PLAGNIOL-VILLARD faee0cc33c ARM: at91: make smc register base soc independent
now sam9_smc_configure will take as first parameter is the SMC id

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2011-11-28 22:50:38 +08:00
Jean-Christophe PLAGNIOL-VILLARD 4ab0c5998d ARM: at91: make pit register base soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2011-11-28 22:50:38 +08:00
Jean-Christophe PLAGNIOL-VILLARD cfa5a1fe7e ARM: at91: add ioremap_registers entry point to soc setup
this will allow to ioremap the register of the PIT, PMC and others
and make the code soc independent

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2011-11-28 22:50:38 +08:00
Jean-Christophe PLAGNIOL-VILLARD 80e91cb802 ARM: at91: make gpio register base soc independant
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
2011-11-28 22:50:37 +08:00
Jamie Iles 865d605ee8 at91: provide macb clks with "pclk" and "hclk" name
The macb driver expects clocks with the names "pclk" and "hclk".  We
currently provide "macb_clk" but to fit in line with other
architectures (namely AVR32), provide "pclk" and a fake "hclk".

Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2011-11-22 15:21:13 +00:00
Linus Torvalds 367069f16e Merge branch 'next/dt' of git://git.linaro.org/people/arnd/arm-soc
* 'next/dt' of git://git.linaro.org/people/arnd/arm-soc:
  ARM: gic: use module.h instead of export.h
  ARM: gic: fix irq_alloc_descs handling for sparse irq
  ARM: gic: add OF based initialization
  ARM: gic: add irq_domain support
  irq: support domains with non-zero hwirq base
  of/irq: introduce of_irq_init
  ARM: at91: add at91sam9g20 and Calao USB A9G20 DT support
  ARM: at91: dt: at91sam9g45 family and board device tree files
  arm/mx5: add device tree support for imx51 babbage
  arm/mx5: add device tree support for imx53 boards
  ARM: msm: Add devicetree support for msm8660-surf
  msm_serial: Add devicetree support
  msm_serial: Use relative resources for iomem

Fix up conflicts in arch/arm/mach-at91/{at91sam9260.c,at91sam9g45.c}
2011-11-01 21:02:35 -07:00
Jean-Christophe PLAGNIOL-VILLARD fea3158c55 ARM: at91: add at91sam9g20 and Calao USB A9G20 DT support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Rob Herring <rob.herring@calxeda.com>
2011-10-25 13:08:31 +02:00
Jean-Christophe PLAGNIOL-VILLARD 0af4316bab at91: ohci-at91: always provide all the clocks
Remove the cpu_is_at91xxxx() macros in the ohci-at91 driver.
SoCs at91sam9261 and at91sam9g10 expect one additional clock: hck0.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2011-09-10 23:03:13 +02:00
Jean-Christophe PLAGNIOL-VILLARD f0051d82a6 at91: factorize sram init
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
2011-07-28 15:07:29 +00:00
Jean-Christophe PLAGNIOL-VILLARD 51ddec7617 at91: move register clocks to soc generic init
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
2011-07-28 15:07:29 +00:00
Jean-Christophe PLAGNIOL-VILLARD 465393749d at91: move clock subsystem init to soc generic init
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
2011-07-28 15:07:29 +00:00
Jean-Christophe PLAGNIOL-VILLARD 8c3583b634 at91: use structure to store the current soc
instead of reading the registers everytime

the current implementation respect the following constrain:
 - allow 1 to n soc to be enabled
 - allow to have a virtual cpu type and subtype
 - always detect the cpu type and subtype and report it
 - detect if the soc support is enabled
 - prepare for sysfs export support
 - drop soc specific code via compiler when the soc not enabled
   (via cpu_is_xxx)

Today if we read the exid we will have the same value for 9g35 and 9m11
and we will need to check the cidr too

with the new implementation we just need to check the soc subtype

this will also allow to have specific virtual subtype for rm9200 which the
board will have to specify via at91rm9200_set_type(int) as we have no way to
detect it.

this implementation is inspired by the SH cpu detection support

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
2011-07-28 15:07:28 +00:00
Jean-Christophe PLAGNIOL-VILLARD 1ff5b1b411 at91: remove AT91_DBGU offset from dbgu register macro
to make the soc base specified at runtime instead of compiled time

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2011-07-28 15:07:28 +00:00
Jean-Christophe PLAGNIOL-VILLARD 92100c12ca at91: factorize at91 interrupts init to soc
they are the same except the default priority

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
2011-07-28 15:07:28 +00:00
Jean-Christophe PLAGNIOL-VILLARD 21d08b9d55 at91: introduce commom AT91_BASE_SYS
On all at91 except rm9200 and x40 have the System Controller starts
at address 0xffffc000 and has a size of 16KiB.

On rm9200 it's start at 0xfffe4000 of 111KiB with non reserved data starting
at 0xfffff000

This patch removes the individual definitions of AT91_BASE_SYS and
replaces them with a common version at base 0xfffffc000 and size 16KiB
and map the same memory space

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
2011-07-28 15:07:28 +00:00
Jean-Christophe PLAGNIOL-VILLARD bd60299594 at91: switch to CLKDEV_LOOKUP
we do not change the clock naming convention so does not need to switch
the AVR32 yet

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
2011-05-25 23:04:34 +08:00
Jean-Christophe PLAGNIOL-VILLARD 1b021a3b23 at91: fix map_io init usage
switch early init to init_early and introduce soc map_io

with this Patch we will not do any more early device setup during the map io

tks to Russell to point the new call back

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Andrew Victor <linux@maxim.org.za>
2011-05-25 23:04:34 +08:00
Nicolas Ferre bb413db591 AT91: reset: extend alternate reset procedure to several chips
Several at91sam9 chips need the alternate reset procedure to be sure to halt
SDRAM smoothly before resetting the chip.
This is an extension of previous patch "Fix AT91SAM9G20 reset" to all chips
affected.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26 11:32:48 +02:00
Nicolas Ferre 1345562b44 AT91: reset routine cleanup, remove not needed icache flush
Generalize assembler reset routine to allow use on several at91sam9 chips.
This patch replace double definitions of SDRAM controller registers and RSTC
registers with use of classical header files.

For this rework, we remove the not needed icache flush as it is already
done in the calling function: arm_machine_restart().

Rename at91sam9g20_reset.S to generalize to several chips.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26 11:32:48 +02:00
Peter Horton 184c82e853 AT91: Fix AT91SAM9G20 reset as per the errata in the data sheet
If the SDRAM is not cleanly shutdown before reset it can be left driving
the bus, which then stops the bootloader booting from NAND.

Signed-off-by: Peter Horton <phorton@bitbox.co.uk>
[nicolas.ferre@atmel.com: change file header line order]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26 11:32:47 +02:00
Russell King 80b02c172b [ARM] fix AT91, davinci, h720x, ks8695, msm, mx2, mx3, netx, omap1, omap2, pxa, s3c
arch/arm/mach-at91/at91cap9.c:337: error: 'NR_AIC_IRQS' undeclared here (not in a function)
arch/arm/mach-at91/at91rm9200.c:301: error: 'NR_AIC_IRQS' undeclared here (not in a function)
arch/arm/mach-at91/at91sam9260.c:351: error: 'NR_AIC_IRQS' undeclared here (not in a function)
arch/arm/mach-at91/at91sam9261.c:287: error: 'NR_AIC_IRQS' undeclared here (not in a function)
arch/arm/mach-at91/at91sam9263.c:312: error: 'NR_AIC_IRQS' undeclared here (not in a function)
arch/arm/mach-at91/at91sam9rl.c:304: error: 'NR_AIC_IRQS' undeclared here (not in a function)
arch/arm/mach-h720x/h7202-eval.c:38: error: implicit declaration of function 'IRQ_CHAINED_GPIOB'
arch/arm/mach-ks8695/devices.c:46: error: 'KS8695_IRQ_WAN_RX_STATUS' undeclared here (not in a function)
arch/arm/mach-msm/devices.c:28: error: 'INT_UART1' undeclared here (not in a function)
arch/arm/mach-mx2/devices.c:233: error: 'MXC_GPIO_IRQ_START' undeclared here (not in a function)
arch/arm/mach-mx3/devices.c:128: error: 'MXC_GPIO_IRQ_START' undeclared here (not in a function)
arch/arm/mach-omap1/mcbsp.c:140: error: 'INT_730_McBSP1RX' undeclared here (not in a function)
arch/arm/mach-omap1/mcbsp.c:165: error: 'INT_McBSP1RX' undeclared here (not in a function)
arch/arm/mach-omap1/mcbsp.c:200: error: 'INT_McBSP1RX' undeclared here (not in a function)
arch/arm/mach-omap2/board-apollon.c:286: error: implicit declaration of function 'omap_set_gpio_direction'
arch/arm/mach-omap2/mcbsp.c:154: error: 'INT_24XX_MCBSP1_IRQ_RX' undeclared here (not in a function)
arch/arm/mach-omap2/mcbsp.c:181: error: 'INT_24XX_MCBSP1_IRQ_RX' undeclared here (not in a function)
arch/arm/mach-pxa/e350.c:36: error: 'IRQ_BOARD_START' undeclared here (not in a function)
arch/arm/plat-s3c/dev-i2c0.c:32: error: 'IRQ_IIC' undeclared here (not in a function)
...

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-01-08 16:29:42 +00:00
Russell King a09e64fbc0 [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-08-07 09:55:48 +01:00
sedji gaouaou 613526677a [ARM] 5130/4: Support for the at91sam9g20
Support for the at91sam9g20 : Atmel 400Mhz ARM 926ej-s SOC.

AT91sam9g20 is an evolution of the at91sam9260 with a faster clock
speed.
We created a new board for this device but based the chip support
directly on 9260 files with little updates.
Here is the chip page on Atmel wabsite:
http://atmel.com/dyn/products/product_card.asp?part_id=4337

Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-10 12:13:47 +01:00
Andrew Victor 3ef2fb4267 [ARM] 4903/1: [AT91] SAM9/CAP9 system shutdown
Enable system shutdown/power-off on AT91SAM9 and AT91CAP9 based boards.
This does not require power-management to be enabled, and the
pm_power_off method can be overridden in board-specific files if
necessary.

Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-04-04 09:52:19 +01:00
Andrew Victor 7cbed2b507 [ARM] 4656/1: AT91: Tweak interrupt priorities
Slight tweaking of the default interrupt priorities (AIC) for the
integrated peripherals on the AT91RM9200, AT91SAM9260, AT91SAM9261 and
AT91SAM9263 processors.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-01-26 15:00:30 +00:00
Andrew Victor e8788babe6 [ARM] 4351/1: AT91: Define rest of peripheral clocks
Define and register the remaining peripheral clocks for the AT91
processors.

AT91SAM9261 clocks patch by Ivan Zhakov.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-05-03 14:10:21 +01:00
Jan Altenberg dd1d2f4439 [ARM] at91: correct value for AT91_RSTC_KEY
- Remove a duplicated define for AT91_RSTC_KEY
- Set AT91_RSTC_KEY to the correct value
- Replace the hardcoded keys in at91sam9620.c and at91sam9261.c
  by AT91_RSTC_KEY

Signed-off-by: Jan Altenberg <jan@linutronix.de>
Acked-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-16 13:06:01 +00:00
Andrew Victor f7eee89b2a [ARM] 4192/1: AT91: Support for AT91SAM9XE processors.
Add support for the Atmel AT91SAM9XE range of processors.  These are
basically AT91SAM9260's with different amounts of internal SRAM and
Flash.

We make use of the existing AT91SAM9260 support, but just perform
run-time detection of the size of the internal SRAM.

Original patch from Nicolas Ferre.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-15 15:33:31 +00:00
Andrew Victor 69b2e99cf5 [ARM] 4189/1: AT91: MACB Ethernet clock
The MACB Ethernet driver searches for a "macb_clk" clock, so rename the
"ether_clk" on the SAM9260 and SAM9263 to "macb_clk".

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-14 15:22:09 +00:00
Andrew Victor c177a1e75a [ARM] 4147/1: AT91: Define Timer/Counter clocks.
Define the Timer/Counter Unit clocks on the AT91RM9200, AT91SAM9260 and
AT91SAM9261 processors.

Original patch from David Brownell.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-08 14:55:27 +00:00
Andrew Victor 9d0412680e [ARM] 4124/1: Rename mach-at91rm9200 and arch-at91rm9200 directories
Now that Linux includes support for the Atmel AT91SAM9260 and
AT91SAM9261 processors in addition to the original Atmel AT91RM9200
(with support for more AT91 processors pending), the "mach-at91rm9200"
and "arch-at91rm9200" directories should be renamed to indicate their
more generic nature.

The following git commands should be run BEFORE applying this patch:
  git-mv arch/arm/mach-at91rm9200 arch/arm/mach-at91
  git-mv include/asm-arm/arch-at91rm9200 include/asm-arm/arch-at91

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-08 14:50:56 +00:00