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c9812d042a
android_kernel_xiaomi_sm8350/arch/arm/mach-omap2
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Paul Walmsley c9812d042a OMAP3 clock: add a short delay when lowering CORE clk rate 
When changing the SDRAM clock from 166MHz to 83MHz via the CORE DPLL M2
divider, add a short delay before returning to SDRAM to allow the SDRC
time to stabilize.  Without this delay, the system is prone to random
panics upon re-entering SDRAM.

This time delay varies based on MPU frequency.  At 500MHz MPU frequency at
room temperature, 64 loops seems to work okay; so add another 32 loops for
environmental and process variation.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
2009-06-19 19:09:31 -06:00
..
board-2430sdp.c ARM: OMAP2: 2430SDP: Add FB support to board file 2009-05-28 13:23:53 -07:00
board-3430sdp.c ARM: OMAP3: SDRC: add timing data for Qimonda HYB18M512160AF-6 2009-05-28 14:03:59 -07:00
board-4430sdp.c ARM: OMAP4: Add support for 4430 SDP 2009-05-28 14:16:05 -07:00
board-apollon.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel 2009-03-25 18:31:35 +00:00
board-generic.c [ARM] OMAP2 SDRC: add SDRAM timing parameter infrastructure 2009-02-08 17:50:39 +00:00
board-h4.c ARM: OMAP: Remove old dead gpio expander code 2009-04-23 11:10:40 -07:00
board-ldp.c ARM: OMAP3: Initialize more devices for LDP 2009-05-28 14:04:00 -07:00
board-omap3beagle.c ARM: OMAP3: Initialize regulators for Beagle and Overo 2009-05-28 14:04:03 -07:00
board-omap3evm.c ARM: OMAP3: Add omap3 EVM support 2009-05-28 14:13:28 -07:00
board-omap3pandora.c ARM: OMAP3: pandora: add support for mode devices 2009-05-28 14:15:44 -07:00
board-overo.c ARM: OMAP3: Initialize regulators for Beagle and Overo 2009-05-28 14:04:03 -07:00
board-rx51-peripherals.c ARM: OMAP3: RX51: Connect VAUX3 to MMC2 2009-05-28 14:04:04 -07:00
board-rx51.c ARM: OMAP3: remove duplicated #include 2009-04-23 11:10:49 -07:00
board-zoom2.c ARM: OMAP3: Add support for OMAP3 Zoom2 board 2009-05-28 14:04:04 -07:00
board-zoom-debugboard.c ARM: OMAP3: Add support for OMAP3 Zoom2 board 2009-05-28 14:04:04 -07:00
clock24xx.c Merge branch 'omap-clock-upstream' of git://git.pwsan.com/linux-2.6 into for-next 2009-05-26 14:41:35 -07:00
clock24xx.h ARM: OMAP2/3: Remove OMAP_CM_REGADDR 2009-05-25 11:26:46 -07:00
clock34xx.c OMAP3 clock: add a short delay when lowering CORE clk rate 2009-06-19 19:09:31 -06:00
clock34xx.h OMAP3: PM: Add D2D clocks and auto-idle setup to PRCM init 2009-05-28 10:59:07 -07:00
clock.c Merge branch 'omap-clock-upstream' of git://git.pwsan.com/linux-2.6 into for-next 2009-05-26 14:41:35 -07:00
clock.h [ARM] omap: add support for bypassing DPLLs 2009-02-19 17:28:30 +00:00
clockdomain.c [ARM] omap: ensure that failing power domain lookups produce errors 2009-02-23 14:55:34 +00:00
clockdomains.h OMAP3: PM: D2D clockdomain supports SW supervised transitions 2009-05-28 10:59:08 -07:00
cm-regbits-24xx.h [ARM] OMAP2 PRCM: clean up CM_IDLEST bits 2009-02-08 17:50:37 +00:00
cm-regbits-34xx.h OMAP3: PM: Add D2D clocks and auto-idle setup to PRCM init 2009-05-28 10:59:07 -07:00
cm.h ARM: OMAP2/3: Remove OMAP_CM_REGADDR 2009-05-25 11:26:46 -07:00
control.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
devices.c ARM: OMAP2: Fix SPI driver failure on 2420 when running multi-omap config 2009-05-12 11:20:30 -07:00
gpmc-onenand.c ARM: OMAP2/3: Add generic onenand support when connected to GPMC 2009-05-28 13:23:52 -07:00
gpmc-smc91x.c ARM: OMAP2/3: Add generic smc91x support when connected to GPMC 2009-05-28 13:23:52 -07:00
gpmc.c ARM: OMAP4: Add minimal support for omap4 2009-05-28 14:16:04 -07:00
id.c ARM: OMAP4: Add minimal support for omap4 2009-05-28 14:16:04 -07:00
io.c OMAP3 clock: initialize SDRC timings at kernel start 2009-06-19 19:09:30 -06:00
irq.c OMAP: Add new function to check wether there is irq pending 2009-05-28 10:59:04 -07:00
Kconfig ARM: OMAP4: Add support for 4430 SDP 2009-05-28 14:16:05 -07:00
mailbox.c omap mailbox: add save_/restore_ctx() for PM 2009-03-23 18:07:26 -07:00
Makefile Merge branch 'omap4' into for-next 2009-05-28 15:45:14 -07:00
Makefile.boot
mcbsp.c [ARM] omap: mcbsp: convert to use fck/ick clocks directly 2009-02-08 17:50:19 +00:00
mmc-twl4030.c ARM: OMAP3: mmc-twl4030 uses regulator framework 2009-05-28 14:04:03 -07:00
mmc-twl4030.h ARM: OMAP3: mmc-twl4030 uses regulator framework 2009-05-28 14:04:03 -07:00
mux.c ARM: OMAP3: Add more GPIO mux options 2009-03-23 18:51:21 -07:00
pm24xx.c OMAP3: PM: UART: disable clocks when idle and off-mode support 2009-05-28 10:59:06 -07:00
pm34xx.c OMAP3: PM: prevent module wakeups from waking IVA2 2009-05-28 10:59:10 -07:00
pm-debug.c OMAP2/3: PM: push core PM code from linux-omap 2009-05-28 10:58:50 -07:00
pm.h OMAP2/3: PM: push core PM code from linux-omap 2009-05-28 10:58:50 -07:00
powerdomain.c [ARM] OMAP3 pwrdm: add hardware save-and-restore (SAR) support 2008-08-21 21:26:39 +01:00
powerdomains24xx.h ARM: OMAP2: Powerdomain: Add OMAP2 powerdomains 2008-08-19 11:08:42 +03:00
powerdomains34xx.h [ARM] OMAP3 powerdomains: make USBTLL SAR only available on ES3.1 and beyond 2009-02-23 14:52:51 +00:00
powerdomains.h [ARM] OMAP3 powerdomains: make USBTLL SAR only available on ES3.1 and beyond 2009-02-23 14:52:51 +00:00
prcm-common.h OMAP2/3: PM: push core PM code from linux-omap 2009-05-28 10:58:50 -07:00
prcm.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
prm-regbits-24xx.h ARM: OMAP2: Powerdomain: Add OMAP2 powerdomains 2008-08-19 11:08:42 +03:00
prm-regbits-34xx.h ARM: OMAP3: Fix HW SAVEANDRESTORE shift define 2009-05-16 08:28:17 -07:00
prm.h OMAP3: PM: prevent module wakeups from waking IVA2 2009-05-28 10:59:10 -07:00
sdram-micron-mt46h32m32lf-6.h ARM: OMAP3: SDRC: add timing data for Micron MT46H32M32LF-6, v2 2009-05-28 14:03:59 -07:00
sdram-qimonda-hyb18m512160af-6.h ARM: OMAP3: SDRC: add timing data for Qimonda HYB18M512160AF-6 2009-05-28 14:03:59 -07:00
sdrc2xxx.c ARM: OMAP2/3: Remove OMAP_PRM_REGADDR and OMAP2_PRM_BASE 2009-05-25 11:26:42 -07:00
sdrc.c OMAP2/3: PM: push core PM code from linux-omap 2009-05-28 10:58:50 -07:00
sdrc.h [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
serial.c Merge branch 'omap4' into for-next 2009-05-28 15:45:14 -07:00
sleep24xx.S OMAP2/3: PM: push core PM code from linux-omap 2009-05-28 10:58:50 -07:00
sleep34xx.S OMAP2/3: PM: push core PM code from linux-omap 2009-05-28 10:58:50 -07:00
sram34xx.S OMAP3 clock: add a short delay when lowering CORE clk rate 2009-06-19 19:09:31 -06:00
sram242x.S ARM: OMAP2/3: Remove OMAP_PRM_REGADDR and OMAP2_PRM_BASE 2009-05-25 11:26:42 -07:00
sram243x.S ARM: OMAP2/3: Remove OMAP_PRM_REGADDR and OMAP2_PRM_BASE 2009-05-25 11:26:42 -07:00
timer-gp.c ARM: OMAP4: Add minimal support for omap4 2009-05-28 14:16:04 -07:00
usb-musb.c OMAP3: PM: Ensure MUSB block can idle when driver not loaded 2009-05-28 10:59:09 -07:00
usb-tusb6010.c ARM: OMAP2: Fix tusb6010 init error and compilation warning 2009-05-12 11:20:02 -07:00