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Most board-*.c files read configuration data from the bootloader in
their .init_machine() function. This needs to happen earlier, at some
point before omap2_init_common_hw() is called. This is because a
future patch will use the bootloader serial console port information
to enable the UART clocks earlier, immediately after omap2_clk_init().
This is in turn necessary since otherwise clock tree usecounts on
clocks like dpll4_m2x2_ck will be bogus, which can cause the
currently-active console UART clock to be disabled during boot.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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OMAP tags are deprecrated so drop them.
Drop UART config data which decides which UARTs to enable during boot.
This is no longer necessary since serial core code disables clocks
after inactivity.
Background: with new UART idle code, all on-chip UARTs are idled using
a configurable inactivity timer (default 5 seconds.) After the
inactivity timer, UART clocks are disabled automatically.
Signed-off-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patches ensures the MUX settings are correct for the SDRC
CKE signals to SDRAM. This allows the self-refresh to work when
2 chip-selects are in use.
A warning is thrown away in case the initial muxing is incorrect,
in order to track faulty or old-dated bootloaders.
Note: The CONFIG_OMAP_MUX and CONFIG_OMAP_MUX_WARNINGS options
must be enabled for the mux code to have effect.
Signed-off-by: Jean Pihet <jpihet@mvista.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Some OMAP3 boards (Beagle Cx, Overo, RX51, Pandora) have 2
SDRAM parts connected to the SDRC.
This patch adds the following:
- add a new argument of type omap_sdrc_params struct*
to omap2_init_common_hw and omap2_sdrc_init for the 2nd CS params
- adapted the OMAP boards files to the new prototype of
omap2_init_common_hw
- add the SDRC 2nd CS registers offsets defines
- adapt the sram sleep code to configure the SDRC for the 2nd CS
Note: If the 2nd param to omap2_init_common_hw is NULL, then the
parameters are not programmed into the SDRC CS1 registers
Tested on 3430 SDP and Beagleboard rev C2 and B5, with
suspend/resume and frequency changes (cpufreq).
Signed-off-by: Jean Pihet <jpihet@mvista.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Add support for keypad, GPIO keys and LEDs. Also enable hardware
debounce feature for GPIO keys.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Setup regulators for MMC1 and MMC2 to get those SD slots
working again.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
CC: David Brownell <david-b@pacbell.net>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add timing data for the Micron MT46H32M32LF-6 SDRAM chip, used on the
OMAP3 Beagle and EVM boards. Original timing data is from the Micron
datasheet PDF downloaded from:
http://download.micron.com/pdf/datasheets/dram/mobile/1gb_ddr_mobile_sdram_t48m.pdf
Thanks to Rajendra Nayak <rnayak@ti.com> for his help identifying
the chips used on Beagle & OMAP3EVM.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Create a generic board-file for initializing usb
on omap2430 and omap3 boards.
Patch modified by Tony to build the module based on
CONFIG_USB_MUSB_SOC. Also merged in a patch adding
the nop xceiv from Ajay Kumar Gupta <ajay.gupta@ti.com>.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Device connected to MMC3 is assumed to be self-powered, so
set_power() function is empty. It can't be omited because
host driver requires it.
Array size for hsmmc[] is specified to allocate to allocate
an instance for the third MMC controller.
Also fix a leak which happens if invalid controller id
is passed.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Correct twl4030 MMC power switching: fix voltage ranges reported
for each slot, and handle them fully.
Lies corrected:
- MMC-1 doesn't support the 2.6-2.7 Volt range
- MMC-2 can't normally support anything except 1.8V
Omissions corrected
- MMC-1 *does* handle the 2.8-2.9 Volt range
- MMC-2 can handle 2.5-3.2 Volt cards, given a transceiver
Add transciever support for MMC-2; enable it for Overo and Pandora.
(Depends on something else to have set up pinmuxing for control
signals instead of as MMC2_DAT4..7 pins.)
Also shrink twl4030_hsmmc_info a smidgeon ... padding is all gone.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add low-level initialization for hsmmc controller. Merged into
this patch patch are various improvments and board support by
Grazvydas Ignotas and David Brownell.
Also change wire4 to be wires, as some newer controllers support
8 data lines.
Cc: Pierre Ossman <drzeus-mmc@drzeus.cx>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch adds support for basic features: uarts, i2c,
and rtc. Also includes defconfig.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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