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2016-07-14powerpc: Make ppc_md.{halt, restart} __noreturnDaniel Axtens
powernv marks it's halt and restart calls as __noreturn. However, ppc_md does not have this annotation. Add the annotation to ppc_md, and then to every halt/restart function that is missing it. Additionally, I have verified that all of these functions do not return. Occasionally I have added a spin loop to be sure. Signed-off-by: Daniel Axtens <dja@axtens.net> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2013-10-30powerpc/mpc512x: remove unnecessary #ifBrian Norris
Several functions are only ever referenced locally, so make them static. Of those functions, many of them are protected by an #if. However, the code which can compile fine in either case. Now that (1) the unneeded code is marked 'static' and (2) the code is only used under a C 'if (IS_ENABLED(CONFIG_FB_FSL_DIU))', the compiler can automatically remove the unneeded code, and we don't need the #if or the empty stub functions. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Anatolij Gustschin <agust@denx.de>
2011-08-29Merge branch 'master' of ↵Florian Tobias Schandinat
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x into fbdev-next Conflicts: drivers/video/atmel_lcdfb.c
2011-07-13drivers/video: use strings to specify the Freescale DIU monitor portTimur Tabi
Instead of using ill-defined numbers (0, 1, and 2) for the monitor port, allow the user to specify the port by name ("dvi", "lvds", or "dlvds"). This works on the kernel command line, the module command-line, and the sysfs "monitor" device. Note that changing the monitor port does not currently work on the P1022DS, because the code that talks to the PIXIS FPGA is broken. Signed-off-by: Timur Tabi <timur@freescale.com> Acked-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-27powerpc: add Freescale hypervisor partition control functionsTimur Tabi
Add functions to restart and halt the current partition when running under the Freescale hypervisor. These functions should be assigned to various function pointers of the ppc_md structure during the .probe() function for the board: ppc_md.restart = fsl_hv_restart; ppc_md.power_off = fsl_hv_halt; ppc_md.halt = fsl_hv_halt; Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-08-01powerpc/5121: shared DIU framebuffer supportAnatolij Gustschin
MPC5121 DIU configuration/setup as initialized by the boot loader currently will get lost while booting Linux. As a result displaying the boot splash is not possible through the boot process. To prevent this we reserve configured DIU frame buffer address range while booting and preserve AOI descriptor and gamma table so that DIU continues displaying through the whole boot process. On first open from user space DIU frame buffer driver releases the reserved frame buffer area and continues to operate as usual. Signed-off-by: John Rigby <jcrigby@gmail.com> Signed-off-by: Anatolij Gustschin <agust@denx.de> Acked-by: Timur Tabi <timur@freescale.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-04-01powerpc/fsl_soc: isolate legacy fsl_spi support to mpc832x_rdb boardsAnton Vorontsov
The advantages of this: - Don't encourage legacy support; - Less external symbols, less code to compile-in for !MPC832x_RDB platforms. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: David Brownell <david-b@pacbell.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Kumar Gala <galak@gate.crashing.org> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01spi_mpc83xx: rework chip selects handlingAnton Vorontsov
The main purpose of this patch is to pass 'struct spi_device' to the chip select handling routines. This is needed so that we could implement full-fledged OpenFirmware support for this driver. While at it, also: - Replace two {de,activate}_cs routines by single cs_contol(). - Don't duplicate platform data callbacks in mpc83xx_spi struct. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: David Brownell <david-b@pacbell.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Kumar Gala <galak@gate.crashing.org> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-30powerpc: Implement get_brgfreq() and get_baudrate() stubsAnton Vorontsov
This is needed to not bother with ugly #ifdefs in the drivers. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-10-13powerpc: remove support for bootmem-allocated memory for the DIU driverTimur Tabi
Early versions of the Freescale DIU framebuffer driver depended on a bootmem allocation of memory for the video buffer. The need for this feature was removed in commit 6b51d51a, so now we can remove the platform-specific code that allocated that memory. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/mpc83xx: Power Management supportScott Wood
Basic PM support for 83xx. Standby is implemented as sleep. Suspend-to-RAM is implemented as "deep sleep" (with the processor turned off) on 831x. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-04-28powerpc: Add DIU platform code for MPC8610HPCDYork Sun
Add platform code to support Freescale DIU. The platform code includes framebuffer memory allocation, pixel format, monitor port, etc. Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Timur Tabi <timur@freescale.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-17[POWERPC] fsl_soc: Factor fsl_get_sys_freq() out of the wdt and spi inits.Scott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-10-08[POWERPC] 85xx/86xx: refactor RSTCR reset codeKumar Gala
On the majority of 85xx & 86xx we have a register that's ability to assert HRESET_REQ to reset the board. We refactored that code so it can be shared between both platforms into fsl_soc.c and removed all the duplication in each platform directory. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-09-14[POWERPC] fsl_soc: add support for fsl_spiAnton Vorontsov
Add helper function to setup SPI bus/device information Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2006-09-28Merge branch 'upstream' of ↵Paul Mackerras
git://git.kernel.org/pub/scm/linux/kernel/git/vitb/linux-2.6-PQ
2006-09-22[POWERPC] Include <asm/mmu.h> in arch/powerpc/sysdev/fsl_soc.h for phys_addr_t.Scott Wood
This patch causes fsl_soc.h to import the definition of phys_addr_t itself, rather than relying on its includer to do so. Signed-off-by: Scott Wood <scott@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-21POWERPC: Add cpm2 stuff support to the fsl_soc.cVitaly Bordug
This patch contains necessary modifications to support the CPM2 SoC peripherals. For the time being, those are fs_enet Ethernet driver and cpm_uart serial. Written initially to support mpc8560, it also suites to the part of the large PQ2 (more specifically, mpc8260) family. Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
2006-01-14[PATCH] powerpc: Add FSL SOC library and setup codeKumar Gala
Parse the flat device tree for devices on Freescale SOC's that we know about (gianfar, gianfar_mdio, i2c, mpc83xx_wdt). We need to setup platform devices and platform data for these devices to match arch/ppc usage. Also add a helper function (get_immrbase) that reports the base address of the MMIO registers on the SOC. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
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