diff options
Diffstat (limited to 'drivers/dma/ti/k3-udma.c')
-rw-r--r-- | drivers/dma/ti/k3-udma.c | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 601868d7fc..411edef3a7 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -48,6 +48,9 @@ enum udma_mmr { MMR_BCHANRT, MMR_RCHANRT, MMR_TCHANRT, + MMR_RCHAN, + MMR_TCHAN, + MMR_RFLOW, MMR_LAST, }; @@ -56,9 +59,13 @@ static const char * const mmr_names[] = { [MMR_BCHANRT] = "bchanrt", [MMR_RCHANRT] = "rchanrt", [MMR_TCHANRT] = "tchanrt", + [MMR_RCHAN] = "rchan", + [MMR_TCHAN] = "tchan", + [MMR_RFLOW] = "rflow", }; struct udma_tchan { + void __iomem *reg_chan; void __iomem *reg_rt; int id; @@ -71,12 +78,14 @@ struct udma_tchan { #define udma_bchan udma_tchan struct udma_rflow { + void __iomem *reg_rflow; int id; struct k3_nav_ring *fd_ring; /* Free Descriptor ring */ struct k3_nav_ring *r_ring; /* Receive ring */ }; struct udma_rchan { + void __iomem *reg_chan; void __iomem *reg_rt; int id; @@ -335,6 +344,8 @@ static inline char *udma_get_dir_text(enum dma_direction dir) return "invalid"; } +#include "k3-udma-u-boot.c" + static void udma_reset_uchan(struct udma_chan *uc) { memset(&uc->config, 0, sizeof(uc->config)); @@ -1014,10 +1025,20 @@ static int udma_alloc_tchan_sci_req(struct udma_chan *uc) req.txcq_qnum = tc_ring; ret = tisci_rm->tisci_udmap_ops->tx_ch_cfg(tisci_rm->tisci, &req); - if (ret) + if (ret) { dev_err(ud->dev, "tisci tx alloc failed %d\n", ret); + return ret; + } - return ret; + /* + * Above TI SCI call handles firewall configuration, cfg + * register configuration still has to be done locally in + * absence of RM services. + */ + if (IS_ENABLED(CONFIG_K3_DM_FW)) + udma_alloc_tchan_raw(uc); + + return 0; } static int udma_alloc_rchan_sci_req(struct udma_chan *uc) @@ -1114,11 +1135,21 @@ static int udma_alloc_rchan_sci_req(struct udma_chan *uc) ret = tisci_rm->tisci_udmap_ops->rx_flow_cfg(tisci_rm->tisci, &flow_req); - if (ret) + if (ret) { dev_err(ud->dev, "tisci rx %u flow %u cfg failed %d\n", uc->rchan->id, uc->rflow->id, ret); + return ret; + } - return ret; + /* + * Above TI SCI call handles firewall configuration, cfg + * register configuration still has to be done locally in + * absence of RM services. + */ + if (IS_ENABLED(CONFIG_K3_DM_FW)) + udma_alloc_rchan_raw(uc); + + return 0; } static int udma_alloc_chan_resources(struct udma_chan *uc) @@ -1751,6 +1782,7 @@ static int udma_probe(struct udevice *dev) struct udma_tchan *tchan = &ud->tchans[i]; tchan->id = i; + tchan->reg_chan = ud->mmrs[MMR_TCHAN] + UDMA_CH_100(i); tchan->reg_rt = ud->mmrs[MMR_TCHANRT] + UDMA_CH_1000(i); } @@ -1758,6 +1790,7 @@ static int udma_probe(struct udevice *dev) struct udma_rchan *rchan = &ud->rchans[i]; rchan->id = i; + rchan->reg_chan = ud->mmrs[MMR_RCHAN] + UDMA_CH_100(i); rchan->reg_rt = ud->mmrs[MMR_RCHANRT] + UDMA_CH_1000(i); } @@ -1765,6 +1798,7 @@ static int udma_probe(struct udevice *dev) struct udma_rflow *rflow = &ud->rflows[i]; rflow->id = i; + rflow->reg_rflow = ud->mmrs[MMR_RFLOW] + UDMA_CH_40(i); } for (i = 0; i < ud->ch_count; i++) { |