Aneesh V 68b4aee35d memory: emif: add interrupt and temperature handling ... Add an ISR for EMIF that: 1. reports details of access errors 2. takes action on thermal events Also clear all interrupts on shut-down. Pending IRQs may casue problems during warm-reset. Temperature handling: EMIF can be configured to poll the temperature level of an LPDDR2 device from the MR4 mode register in the device. EMIF generates an interrupt whenever it identifies a temperature level change between two consecutive pollings. Some of the timing parameters need to be de-rated at high temperatures. The interrupt handler takes care of doing this and also takes care of going back to nominal settings when temperature falls back to nominal levels. Signed-off-by: Aneesh V <aneesh@ti.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Benoit Cousson <b-cousson@ti.com> [santosh.shilimkar@ti.com: Moved to drivers/memory from drivers/misc] Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2012-05-02 10:56:30 -07:00
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Kconfig	memory: emif: add basic infrastructure for EMIF driver	2012-05-02 00:10:49 -07:00
Makefile	memory: emif: add basic infrastructure for EMIF driver	2012-05-02 00:10:49 -07:00
emif.c	memory: emif: add interrupt and temperature handling	2012-05-02 10:56:30 -07:00
emif.h	memory: emif: handle frequency and voltage change events	2012-05-02 10:52:09 -07:00