On 02/12/2019 10:54, Vignesh Raghavendra wrote:
On K3 SoCs, DMA channels are shared across multiple entities, therefore U-Boot DMA driver needs to query resource range from centralised resource management controller i.e SystemFirmware and use DMA channels allocated for A72 host. Add support for the same. Signed-off-by: Vignesh Raghavendra <vigne...@ti.com> --- v2: Address comments on v1 from Grygorii Squash patch 5 (of v1) into this patch drivers/dma/ti/k3-udma-hwdef.h | 19 +++ drivers/dma/ti/k3-udma.c | 274 +++++++++++++++++++++++---------- 2 files changed, 214 insertions(+), 79 deletions(-) diff --git a/drivers/dma/ti/k3-udma-hwdef.h b/drivers/dma/ti/k3-udma-hwdef.h index c88399a815ea..228a44cb73cf 100644 --- a/drivers/dma/ti/k3-udma-hwdef.h +++ b/drivers/dma/ti/k3-udma-hwdef.h @@ -181,4 +181,23 @@ #define PDMA_STATIC_TR_Z(x) \ (((x) << PDMA_STATIC_TR_Z_SHIFT) & PDMA_STATIC_TR_Z_MASK)+enum udma_rm_range {+ RM_RANGE_TCHAN = 0, + RM_RANGE_RCHAN, + RM_RANGE_RFLOW, + RM_RANGE_LAST, +}; + +struct udma_tisci_rm { + const struct ti_sci_handle *tisci; + const struct ti_sci_rm_udmap_ops *tisci_udmap_ops; + u32 tisci_dev_id; + + /* tisci information for PSI-L thread pairing/unpairing */ + const struct ti_sci_rm_psil_ops *tisci_psil_ops; + u32 tisci_navss_dev_id; + + struct ti_sci_resource *rm_ranges[RM_RANGE_LAST]; +};
I'd move it in k3-udma.c
+ #endif /* K3_NAVSS_UDMA_HWDEF_H_ */ diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index a5fc7809bc41..2f82ab0955a4 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -11,12 +11,14 @@ #include <malloc.h>
[...] -- Best regards, grygorii _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
