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| author | Sayali Lokhande <sayalil@codeaurora.org> | 2017-02-28 17:27:57 +0530 |
|---|---|---|
| committer | Sayali Lokhande <sayalil@codeaurora.org> | 2017-03-02 09:39:35 +0530 |
| commit | adad17d072d79ac826f377221a0a8f3c56aef8c1 (patch) | |
| tree | 1b79ec5bfb7e2cfef2d830169feaad86ff0ac755 /include/linux/fpga/fpga-mgr.h | |
| parent | 10a55a587418b3c37a57b4beae8337432b6ff3c0 (diff) | |
ARM: dts: msm: Update SDCC bus voting for SDM660
On SDM660, for sdcc there are two msm-bus paths:
1. AGGNOC->SNOC->BIMC
2. CPU->CNOC->SDC_CFG
For SDCC DATA-FIFO or DPRAM, write clock is HCLK
and read clock is MCLK for TX transactions and
vice-versa for RX transactions.
As both HCLK and MCLK are being used for data
transfers ,we need to provide bus bandwidth vote
from CPU(id:1) to SDC_CFG(id:606) which will be
used for register access and data transfers.
By default on sdm660, we observed cnoc_clk at only
19.2MHz which is very less and hence affecting eMMC
performance (drop upto 50%) for read/writes.
This change is updating bus voting from CPU to CNOC
and helps improving eMMC performance.
Change-Id: I9e3dadf307444be464a42f4a518b44e3f6e98a75
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>
Diffstat (limited to 'include/linux/fpga/fpga-mgr.h')
0 files changed, 0 insertions, 0 deletions
