Hi,
this series adds support for the internal DMAC used by r8a779[56] SoCs.
This is achieved by adding a new variant of the SDHI driver for this
DMA controller with compat strings for the r8a779[56] SoCs.
Compat strings for these SoCs are also removed from the existing SYS DMAC
variant of the SDHI driver.
Based on mmc/next
Headline performance boost: 9.5MB/s -> 39.7MB/s
Details below.
Changes since v1:
* Address review of v2 as noted in changelog of individual patches
Simon Horman (3):
mmc: tmio, renesas-sdhi: add complete to DMA ops
mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC
mmc: renesas-sdhi: remove gen3 support from SYS-DMAC driver
Yoshihiro Shimoda (1):
mmc: tmio, renesas-sdhi: add max_{segs,blk_count} to tmio_mmc_data
drivers/mmc/host/Kconfig | 19 ++
drivers/mmc/host/Makefile | 8 +-
drivers/mmc/host/renesas_sdhi.h | 2 +
drivers/mmc/host/renesas_sdhi_core.c | 2 +
drivers/mmc/host/renesas_sdhi_internal_dmac.c | 275 ++++++++++++++++++++++++++
drivers/mmc/host/renesas_sdhi_sys_dmac.c | 29 +--
drivers/mmc/host/tmio_mmc.h | 2 +
drivers/mmc/host/tmio_mmc_core.c | 16 +-
include/linux/mfd/tmio.h | 2 +
9 files changed, 327 insertions(+), 28 deletions(-)
create mode 100644 drivers/mmc/host/renesas_sdhi_internal_dmac.c
--
2.1.4
Salvator-X/M3-W ES1.0
=====================
With Gen3 DMA Patches
---------------------
f97c698336e1 (topic/sdhi-gen3-dma-2017-v2) mmc: renesas-sdhi: remove gen3 support from SYS-DMAC driver
# dmesg | egrep '(sd|mmc)'
[ 1.415083] sdhci: Secure Digital Host Controller Interface driver
[ 1.421291] sdhci: Copyright(c) Pierre Ossman
[ 1.426164] renesas_sdhi_internal_dmac ee100000.sd: Got CD GPIO
[ 1.432123] renesas_sdhi_internal_dmac ee100000.sd: Got WP GPIO
[ 1.559507] renesas_sdhi_internal_dmac ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz
[ 1.568922] renesas_sdhi_internal_dmac ee160000.sd: Got CD GPIO
[ 1.574928] renesas_sdhi_internal_dmac ee160000.sd: Got WP GPIO
[ 1.589703] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.638824] renesas_sdhi_internal_dmac ee100000.sd: Got CD GPIO
[ 1.644806] renesas_sdhi_internal_dmac ee100000.sd: Got WP GPIO
[ 1.771574] renesas_sdhi_internal_dmac ee100000.sd: mmc1 base at 0xee100000 max clock rate 200 MHz
[ 1.781631] renesas_sdhi_internal_dmac ee160000.sd: Got CD GPIO
[ 1.787624] renesas_sdhi_internal_dmac ee160000.sd: Got WP GPIO
[ 1.844780] mmc0: new high speed MMC card at address 0001
[ 1.851126] mmcblk0: mmc0:0001 eMMC 28.8 GiB
[ 1.861040] mmcblk0boot0: mmc0:0001 eMMC partition 1 4.00 MiB
[ 1.871305] mmcblk0boot1: mmc0:0001 eMMC partition 2 4.00 MiB
[ 1.881414] mmcblk0rpmb: mmc0:0001 eMMC partition 3 4.00 MiB
[ 1.890595] mmcblk0: p1
[ 1.915609] renesas_sdhi_internal_dmac ee160000.sd: mmc2 base at 0xee160000 max clock rate 200 MHz
[ 2.055552] mmc1: new ultra high speed SDR50 SDHC card at address e624
[ 2.066569] mmcblk1: mmc1:e624 SU08G 7.40 GiB
[ 2.081831] mmcblk1: p1
[ 2.275547] mmc2: new ultra high speed SDR50 SDHC card at address 0001
[ 2.282419] mmcblk2: mmc2:0001 00000 29.8 GiB
[ 2.296600] mmcblk2: p1
# grep sd /proc/interrupts
100: 396 0 GIC-0 197 Level ee100000.sd
101: 658 0 GIC-0 199 Level ee140000.sd
102: 406 0 GIC-0 200 Level ee160000.sd
178: 0 0 e6053000.gpio 12 Edge ee100000.sd cd
197: 0 0 e6054000.gpio 15 Edge ee160000.sd cd
# cat /sys/devices/platform/soc/ee100000.sd/mmc_host/mmc1/mmc1:*/cid
035344535530384780b1b8a11200d300
# dd if=/dev/mmcblk1 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 13.5498 s, 39.6 MB/s
# cat /sys/devices/platform/soc/ee160000.sd/mmc_host/mmc2/mmc2:*/cid
1b534d3030303030103916141700f600
# dd if=/dev/mmcblk2 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 17.5571 s, 30.6 MB/s
# grep sd /proc/interrupts
100: 24972 0 GIC-0 197 Level ee100000.sd
101: 658 0 GIC-0 199 Level ee140000.sd
102: 24982 0 GIC-0 200 Level ee160000.sd
178: 0 0 e6053000.gpio 12 Edge ee100000.sd cd
197: 0 0 e6054000.gpio 15 Edge ee160000.sd cd
Without Gen3 DMA Patches
------------------------
f2cd281b9f7d (mmc/next) mmc: sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
# dmesg | egrep '(sd|mmc)'
[ 1.413160] sdhci: Secure Digital Host Controller Interface driver
[ 1.419368] sdhci: Copyright(c) Pierre Ossman
[ 1.424317] sh_mobile_sdhi ee100000.sd: Got CD GPIO
[ 1.429254] sh_mobile_sdhi ee100000.sd: Got WP GPIO
[ 1.556994] sh_mobile_sdhi ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz
[ 1.565359] sh_mobile_sdhi ee160000.sd: Got CD GPIO
[ 1.570313] sh_mobile_sdhi ee160000.sd: Got WP GPIO
[ 1.584078] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.633385] sh_mobile_sdhi ee100000.sd: Got CD GPIO
[ 1.638319] sh_mobile_sdhi ee100000.sd: Got WP GPIO
[ 1.765061] sh_mobile_sdhi ee100000.sd: mmc1 base at 0xee100000 max clock rate 200 MHz
[ 1.774258] sh_mobile_sdhi ee160000.sd: Got CD GPIO
[ 1.779185] sh_mobile_sdhi ee160000.sd: Got WP GPIO
[ 1.834292] mmc0: new high speed MMC card at address 0001
[ 1.840594] mmcblk0: mmc0:0001 eMMC 28.8 GiB
[ 1.850501] mmcblk0boot0: mmc0:0001 eMMC partition 1 4.00 MiB
[ 1.860750] mmcblk0boot1: mmc0:0001 eMMC partition 2 4.00 MiB
[ 1.870834] mmcblk0rpmb: mmc0:0001 eMMC partition 3 4.00 MiB
[ 1.880344] mmcblk0: p1
[ 1.909078] sh_mobile_sdhi ee160000.sd: mmc2 base at 0xee160000 max clock rate 200 MHz
[ 2.049028] mmc1: new ultra high speed SDR50 SDHC card at address e624
[ 2.060070] mmcblk1: mmc1:e624 SU08G 7.40 GiB
[ 2.075628] mmcblk1: p1
[ 2.165019] mmc2: new ultra high speed SDR50 SDHC card at address 0001
[ 2.175911] mmcblk2: mmc2:0001 00000 29.8 GiB
[ 2.190409] mmcblk2: p1
# grep sd /proc/interrupts
100: 2276 0 GIC-0 197 Level ee100000.sd
101: 2986 0 GIC-0 199 Level ee140000.sd
102: 2276 0 GIC-0 200 Level ee160000.sd
178: 0 0 e6053000.gpio 12 Edge ee100000.sd cd
197: 0 0 e6054000.gpio 15 Edge ee160000.sd cd
# cat /sys/devices/platform/soc/ee100000.sd/mmc_host/mmc1/mmc1:*/cid
035344535530384780b1b8a11200d300
# dd if=/dev/mmcblk2 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 56.7595 s, 9.5 MB/s
# cat /sys/devices/platform/soc/ee160000.sd/mmc_host/mmc2/mmc2:*/cid
1b534d3030303030103916141700f600
# dd if=/dev/mmcblk2 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 56.7595 s, 9.5 MB/s
# grep sd /proc/interrupts
100: 2276 0 GIC-0 197 Level ee100000.sd
101: 2986 0 GIC-0 199 Level ee140000.sd
102: 2124004 0 GIC-0 200 Level ee160000.sd
178: 0 0 e6053000.gpio 12 Edge ee100000.sd cd
197: 0 0 e6054000.gpio 15 Edge ee160000.sd cd
Lager/H2 ES2.0
==============
With Gen3 DMA Patches
---------------------
f97c698336e1 (topic/sdhi-gen3-dma-2017-v2) mmc: renesas-sdhi: remove gen3 support from SYS-DMAC driver
# dmesg | egrep '(sd|mmc)'
[ 2.311352] sh_mobile_sdhi ee100000.sd: Got CD GPIO
[ 2.316918] sh_mobile_sdhi ee140000.sd: Got CD GPIO
[ 2.375558] sh_mmcif ee220000.mmc: Chip version 0x0003, clock rate 12MHz
[ 2.482338] sh_mobile_sdhi ee100000.sd: Got CD GPIO
[ 2.695677] sh_mobile_sdhi ee100000.sd: mmc1 base at 0xee100000 max clock rate 195 MHz
[ 2.704157] sh_mobile_sdhi ee140000.sd: Got CD GPIO
[ 2.773828] mmc0: new high speed MMC card at address 0001
[ 2.779650] mmcblk0: mmc0:0001 MMC08G 7.33 GiB
[ 2.784388] mmcblk0boot0: mmc0:0001 MMC08G partition 1 2.00 MiB
[ 2.790544] mmcblk0boot1: mmc0:0001 MMC08G partition 2 2.00 MiB
[ 2.798218] mmcblk0: p1
[ 2.917476] sh_mobile_sdhi ee140000.sd: mmc2 base at 0xee140000 max clock rate 97 MHz
[ 3.142783] mmc1: new ultra high speed SDR104 SDHC card at address 0001
[ 3.149772] mmcblk1: mmc1:0001 00000 29.8 GiB
[ 3.163596] mmcblk1: p1
[ 3.335665] mmc2: new ultra high speed SDR50 SDHC card at address 0001
[ 3.342532] mmcblk2: mmc2:0001 00000 29.8 GiB
[ 3.356495] mmcblk2: p1
# grep sd /proc/interrupts
99: 572 0 0 0 GIC-0 197 Level ee100000.sd
100: 540 0 0 0 GIC-0 199 Level ee140000.sd
220: 0 0 0 0 e6053000.gpio 6 Edge ee100000.sd cd
236: 0 0 0 0 e6053000.gpio 22 Edge ee140000.sd cd
# cat /sys/devices/platform/ee100000.sd/mmc_host/mmc1/mmc1:*/cid
1b534d303030303010ed85537600fc00
# dd if=/dev/mmcblk1 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 14.5833 s, 36.8 MB/s
# cat /sys/devices/platform/ee140000.sd/mmc_host/mmc2/mmc2:*/cid
1b534d303030303010f0c957f500fc00
# dd if=/dev/mmcblk2 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 18.8682 s, 28.5 MB/s
(above dd for mmcblk2 was run twice)
# grep sd /proc/interrupts
99: 12860 0 0 0 GIC-0 197 Level ee100000.sd
100: 12828 0 0 0 GIC-0 199 Level ee140000.sd
220: 0 0 0 0 e6053000.gpio 6 Edge ee100000.sd cd
236: 0 0 0 0 e6053000.gpio 22 Edge ee140000.sd cd
Without Gen3 DMA Patches
------------------------
f2cd281b9f7d (mmc/next) mmc: sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
# dmesg | egrep '(sd|mmc)'
[ 2.310760] sh_mobile_sdhi ee100000.sd: Got CD GPIO
[ 2.316185] sh_mobile_sdhi ee140000.sd: Got CD GPIO
[ 2.375581] sh_mmcif ee220000.mmc: Chip version 0x0003, clock rate 12MHz
[ 2.482371] sh_mobile_sdhi ee100000.sd: Got CD GPIO
[ 2.695738] sh_mobile_sdhi ee100000.sd: mmc1 base at 0xee100000 max clock rate 195 MHz
[ 2.704210] sh_mobile_sdhi ee140000.sd: Got CD GPIO
[ 2.784707] mmc0: new high speed MMC card at address 0001
[ 2.790501] mmcblk0: mmc0:0001 MMC08G 7.33 GiB
[ 2.795219] mmcblk0boot0: mmc0:0001 MMC08G partition 1 2.00 MiB
[ 2.804059] mmcblk0boot1: mmc0:0001 MMC08G partition 2 2.00 MiB
[ 2.811731] mmcblk0: p1
[ 2.915727] sh_mobile_sdhi ee140000.sd: mmc2 base at 0xee140000 max clock rate 97 MHz
[ 3.122796] mmc1: new ultra high speed SDR104 SDHC card at address 0001
[ 3.129798] mmcblk1: mmc1:0001 00000 29.8 GiB
[ 3.143603] mmcblk1: p1
[ 3.335704] mmc2: new ultra high speed SDR50 SDHC card at address 0001
[ 3.342565] mmcblk2: mmc2:0001 00000 29.8 GiB
[ 3.356510] mmcblk2: p1
# grep sd /proc/interrupts
99: 572 0 0 0 GIC-0 197 Level ee100000.sd
100: 538 0 0 0 GIC-0 199 Level ee140000.sd
220: 0 0 0 0 e6053000.gpio 6 Edge ee100000.sd cd
236: 0 0 0 0 e6053000.gpio 22 Edge ee140000.sd cd
# cat /sys/devices/platform/ee100000.sd/mmc_host/mmc1/mmc1:*/cid
1b534d303030303010ed85537600fc00
# dd if=/dev/mmcblk1 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 14.6023 s, 36.8 MB/s
# cat /sys/devices/platform/ee140000.sd/mmc_host/mmc2/mmc2:*/cid
1b534d303030303010f0c957f500fc00
# dd if=/dev/mmcblk2 of=/dev/null bs=1M count=512 iflag=direct
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 18.8882 s, 28.4 MB/s
# grep sd /proc/interrupts
99: 12860 0 0 0 GIC-0 197 Level ee100000.sd
100: 12826 0 0 0 GIC-0 199 Level ee140000.sd
220: 0 0 0 0 e6053000.gpio 6 Edge ee100000.sd cd
236: 0 0 0 0 e6053000.gpio 22 Edge ee140000.sd cd
--
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