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authorRichard Zhu <r65037@freescale.com>2013-07-24 10:15:29 +0400
committerTejun Heo <tj@kernel.org>2013-07-24 20:29:08 +0400
commit9e54eae23bc9cca0d8a955018c35b1250e09a73a (patch)
tree794e33a71a1f190a31b0fbe1b49ee0cd8e4de113 /drivers/ata/Makefile
parent6a6c21ef487be47b300a0b24cd6afeb69d8b9a1a (diff)
downloadlinux-9e54eae23bc9cca0d8a955018c35b1250e09a73a.tar.xz
ahci_imx: add ahci sata support on imx platforms
imx6q contains one Synopsys AHCI SATA controller, But it can't share ahci_platform driver with other controllers because there are some misalignments of the generic AHCI controller - the bits definitions of the HBA registers, the Vendor Specific registers, the AHCI PHY clock and the AHCI signals adjustment window(GPR13 register). - CAP_SSS(bit20) of the HOST_CAP is writable, default value is '0', should be configured to be '1' - bit0 (only one AHCI SATA port on imx6q) of the HOST_PORTS_IMPL should be set to be '1'.(default 0) - One Vendor Specific register HOST_TIMER1MS(offset:0xe0) should be configured regarding to the frequency of AHB bus clock. - Configurations of the AHCI PHY clock, and the signal parameters of the GPR13 Setup its own ahci sata driver, contained the imx6q specific initialized codes, re-use the generic ahci_platform driver, and keep the generic ahci_platform driver clean as much as possible. tj: patch description reformatted Signed-off-by: Richard Zhu <r65037@freescale.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/Makefile')
-rw-r--r--drivers/ata/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index c04d0fd038a3..46518c622460 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o
obj-$(CONFIG_SATA_SIL24) += sata_sil24.o
obj-$(CONFIG_SATA_DWC) += sata_dwc_460ex.o
obj-$(CONFIG_SATA_HIGHBANK) += sata_highbank.o libahci.o
+obj-$(CONFIG_AHCI_IMX) += ahci_imx.o
# SFF w/ custom DMA
obj-$(CONFIG_PDC_ADMA) += pdc_adma.o