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On OMAP3+, the voltage controller (VC) and voltage processor (VP) are
inside the PRM. Add some PRM helper functions for register access to
these module registers.
Thanks to Nishanth Menon for finding/fixing a sparse problem.
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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Add SoC specific PRM VP helper functions for checking and clearing
the VP transaction done status.
Longer term, these events should be handled by the forthcoming PRCM
interrupt handler.
Signed-off-by: Kevin Hilman <khilman@ti.com>
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On OMAP2 and OMAP3 the reset ctrl shift doesn't match the
status bit, as it does on OMAP4, when handling the reset lines.
This patch adds a new member in the reset info structure, so now it
can be added as part of hwmod data, and checked accordingly for
OMAP2 or 3; otherwise, there could be cases when the shift masks
doesn't match both of the registers, and a successful reset might
throw an error message or vice versa.
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
[paul@pwsan.com: added a warning if st_shift used on OMAP4; renamed 'r'
variable; improved some documentation]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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'omap2_prm_read_mod_reg'
omap2plus_defocnfig build breaks when customised with only ARCH_OMAP4
selected. This is because common files make references to the functions
which are defined only for omap2xxx and omap3xxx.
LD .tmp_vmlinux1
arch/arm/mach-omap2/built-in.o: In function `pm_dbg_regset_store':
arch/arm/mach-omap2/pm-debug.c:335: undefined reference to `omap2_prm_read_mod_reg'
arch/arm/mach-omap2/built-in.o: In function `omap2_pm_dump':
arch/arm/mach-omap2/pm-debug.c:121: undefined reference to `omap2_prm_read_mod_reg'
arch/arm/mach-omap2/pm-debug.c:123: undefined reference to `omap2_prm_read_mod_reg'
arch/arm/mach-omap2/pm-debug.c:124: undefined reference to `omap2_prm_read_mod_reg'
arch/arm/mach-omap2/pm-debug.c:125: undefined reference to `omap2_prm_read_mod_reg'
arch/arm/mach-omap2/built-in.o: In function `omap_prcm_arch_reset':
arch/arm/mach-omap2/prcm.c:106: undefined reference to `omap2_prm_set_mod_reg_bits'
arch/arm/mach-omap2/prcm.c:108: undefined reference to `omap2_prm_read_mod_reg'
arch/arm/mach-omap2/built-in.o: In function `omap_prcm_get_reset_sources':
arch/arm/mach-omap2/prcm.c:53: undefined reference to `omap2_prm_read_mod_reg'
arch/arm/mach-omap2/built-in.o: In function `clkdm_clear_all_wkdeps':
arch/arm/mach-omap2/clockdomain.c:545: undefined reference to `omap2_prm_clear_mod_reg_bits'
arch/arm/mach-omap2/built-in.o: In function `clkdm_del_wkdep':
arch/arm/mach-omap2/clockdomain.c:475: undefined reference to `omap2_prm_clear_mod_reg_bits'
arch/arm/mach-omap2/built-in.o: In function `clkdm_read_wkdep':
arch/arm/mach-omap2/clockdomain.c:511: undefined reference to `omap2_prm_read_mod_bits_shift'
arch/arm/mach-omap2/built-in.o: In function `clkdm_add_wkdep':
arch/arm/mach-omap2/clockdomain.c:440: undefined reference to `omap2_prm_set_mod_reg_bits'
make: *** [.tmp_vmlinux1] Error 1
This patch adds stubs for these functions so that build continues to work.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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Now that OMAP4-specific PRCM functions have been added, distinguish the
existing OMAP2/3-specific PRCM functions by prefixing them with "omap2_".
This patch should not result in any functional change.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
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In preparation for adding OMAP4-specific PRCM accessor/mutator
functions, split the existing OMAP2/3 PRCM code into OMAP2/3-specific
files. Most of what was in mach-omap2/{cm,prm}.{c,h} has now been
moved into mach-omap2/{cm,prm}2xxx_3xxx.{c,h}, since it was
OMAP2xxx/3xxx-specific.
This process also requires the #includes in each of these files to be
changed to reference the new file name. As part of doing so, add some
comments into plat-omap/sram.c and plat-omap/mcbsp.c, which use
"sideways includes", to indicate that these users of the PRM/CM includes
should not be doing so.
Thanks to Felipe Contreras <felipe.contreras@gmail.com> for comments on this
patch.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Omar Ramirez Luna <omar.ramirez@ti.com>
Acked-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Cc: Felipe Contreras <felipe.contreras@gmail.com>
Acked-by: Felipe Contreras <felipe.contreras@gmail.com>
Cc: Greg Kroah-Hartman <greg@kroah.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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