OMAP4+: Get rid of internal SRAM handling
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Cover letter [PATCH 0/2] OMAP4+: Get rid of internal SRAM handling
Quoted 24 lines · Rajendra
Quoted 23 lines · Santosh Shilimkar
+ Paul,
Quoted 8 lines · Rajendra Nayak
Make all OMAP DT only platforms (am33xx, am43xx, omap4 and omap5) use
drivers/misc/sram.cdriver instead of the omap internal implementation for SRAM handling.Rajendra Nayak (2):
ARM: AM335x: Get rid of unused sram init function
ARM: OMAP4+: Move SRAM data to DTQuoted 9 lines
arch/arm/boot/dts/am33xx.dtsi | 5 +++++ arch/arm/boot/dts/am4372.dtsi | 5 +++++ arch/arm/boot/dts/omap4.dtsi | 5 +++++ arch/arm/boot/dts/omap5.dtsi | 5 +++++ arch/arm/configs/omap2plus_defconfig | 1 + arch/arm/mach-omap2/sram.c | 39 +--------------------------------- arch/arm/mach-omap2/sram.h | 1 - 7 files changed, 22 insertions(+), 39 deletions(-)Really nice to see the SRAM code getting moved now. Thanks a lot Rajendra.
Quoted 8 lines
Quoted 3 lines
- The
sram_init()seems to be the post core init call. Hope this is not a problem for SDRC init which needs to have SRAM ready to update the DDR parameters.It should be fine given its needed only during core dvfs. Besides
drivers/misc/sram.cis useful only on DT platforms, so for now OMAP2/3 continue to use the omap specific sram handling.
Its used in early boot to initialize the DDR parameters and then later these can be used based on whether core DVFS supported or not. Look for _omap2_init_reprogram_sdrc() which has init dependency with omap_sram_init().
Regards,
Santosh