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-rw-r--r--arch/arm/mach-k3/common.c24
-rw-r--r--configs/am62ax_evm_a53_defconfig1
-rw-r--r--configs/am62ax_evm_r5_defconfig1
-rw-r--r--configs/am62x_evm_a53_defconfig1
-rw-r--r--configs/am62x_evm_r5_defconfig1
-rw-r--r--configs/j7200_evm_a72_defconfig1
-rw-r--r--configs/j7200_evm_r5_defconfig1
-rw-r--r--configs/j721e_evm_a72_defconfig1
-rw-r--r--configs/j721e_evm_r5_defconfig1
-rw-r--r--configs/j721s2_evm_a72_defconfig1
-rw-r--r--configs/j721s2_evm_r5_defconfig1
-rw-r--r--configs/j784s4_evm_a72_defconfig1
-rw-r--r--configs/j784s4_evm_r5_defconfig1
-rw-r--r--drivers/dma/ti/k3-udma.c333
14 files changed, 208 insertions, 161 deletions
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
index f2086cbdf51..fa8cd93d664 100644
--- a/arch/arm/mach-k3/common.c
+++ b/arch/arm/mach-k3/common.c
@@ -28,6 +28,8 @@
#include <env.h>
#include <elf.h>
#include <soc.h>
+#include <dm/uclass-internal.h>
+#include <dm/device-internal.h>
#include <asm/arch/k3-qos.h>
@@ -246,12 +248,32 @@ void spl_enable_cache(void)
#endif
}
-#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
+static __maybe_unused void k3_dma_remove(void)
+{
+ struct udevice *dev;
+ int rc;
+
+ rc = uclass_find_device(UCLASS_DMA, 0, &dev);
+ if (!rc && dev) {
+ rc = device_remove(dev, DM_REMOVE_NORMAL);
+ if (rc)
+ pr_warn("Cannot remove dma device '%s' (err=%d)\n",
+ dev->name, rc);
+ } else
+ pr_warn("DMA Device not found (err=%d)\n", rc);
+}
+
void spl_board_prepare_for_boot(void)
{
+#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
dcache_disable();
+#endif
+#if IS_ENABLED(CONFIG_SPL_DMA) && IS_ENABLED(CONFIG_SPL_DM_DEVICE_REMOVE)
+ k3_dma_remove();
+#endif
}
+#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
void spl_board_prepare_for_linux(void)
{
dcache_disable();
diff --git a/configs/am62ax_evm_a53_defconfig b/configs/am62ax_evm_a53_defconfig
index 24be88b52e7..c396171fc32 100644
--- a/configs/am62ax_evm_a53_defconfig
+++ b/configs/am62ax_evm_a53_defconfig
@@ -45,6 +45,7 @@ CONFIG_MULTI_DTB_FIT=y
CONFIG_SPL_MULTI_DTB_FIT=y
CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/am62ax_evm_r5_defconfig b/configs/am62ax_evm_r5_defconfig
index f386875a89f..2e758b41fc2 100644
--- a/configs/am62ax_evm_r5_defconfig
+++ b/configs/am62ax_evm_r5_defconfig
@@ -68,6 +68,7 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_SYS_MMC_ENV_PART=1
CONFIG_NO_NET=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/am62x_evm_a53_defconfig b/configs/am62x_evm_a53_defconfig
index 0b7ee942a0a..003fa4f8681 100644
--- a/configs/am62x_evm_a53_defconfig
+++ b/configs/am62x_evm_a53_defconfig
@@ -63,6 +63,7 @@ CONFIG_SPL_MULTI_DTB_FIT=y
CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/am62x_evm_r5_defconfig b/configs/am62x_evm_r5_defconfig
index 3019525e91e..6ff07828bf4 100644
--- a/configs/am62x_evm_r5_defconfig
+++ b/configs/am62x_evm_r5_defconfig
@@ -75,6 +75,7 @@ CONFIG_SPL_MULTI_DTB_FIT=y
CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/j7200_evm_a72_defconfig b/configs/j7200_evm_a72_defconfig
index 2fbfda5cf8f..ffa4a0efa4c 100644
--- a/configs/j7200_evm_a72_defconfig
+++ b/configs/j7200_evm_a72_defconfig
@@ -91,6 +91,7 @@ CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/j7200_evm_r5_defconfig b/configs/j7200_evm_r5_defconfig
index dcb70873506..1db92512dc2 100644
--- a/configs/j7200_evm_r5_defconfig
+++ b/configs/j7200_evm_r5_defconfig
@@ -76,6 +76,7 @@ CONFIG_OF_CONTROL=y
CONFIG_SPL_OF_CONTROL=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/j721e_evm_a72_defconfig b/configs/j721e_evm_a72_defconfig
index 640c1be2b93..bd556349244 100644
--- a/configs/j721e_evm_a72_defconfig
+++ b/configs/j721e_evm_a72_defconfig
@@ -97,6 +97,7 @@ CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/j721e_evm_r5_defconfig b/configs/j721e_evm_r5_defconfig
index 4c2d53b3559..ad6dbbceb8b 100644
--- a/configs/j721e_evm_r5_defconfig
+++ b/configs/j721e_evm_r5_defconfig
@@ -85,6 +85,7 @@ CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
CONFIG_ENV_OVERWRITE=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/j721s2_evm_a72_defconfig b/configs/j721s2_evm_a72_defconfig
index 769c6099dbe..d619ac898d1 100644
--- a/configs/j721s2_evm_a72_defconfig
+++ b/configs/j721s2_evm_a72_defconfig
@@ -90,6 +90,7 @@ CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/j721s2_evm_r5_defconfig b/configs/j721s2_evm_r5_defconfig
index eeb38af36ff..a89e0298f73 100644
--- a/configs/j721s2_evm_r5_defconfig
+++ b/configs/j721s2_evm_r5_defconfig
@@ -86,6 +86,7 @@ CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
CONFIG_ENV_OVERWRITE=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/configs/j784s4_evm_a72_defconfig b/configs/j784s4_evm_a72_defconfig
index f0220170bbf..c7fc6bedda3 100644
--- a/configs/j784s4_evm_a72_defconfig
+++ b/configs/j784s4_evm_a72_defconfig
@@ -42,6 +42,7 @@ CONFIG_SPL_SYS_MMCSD_RAW_MODE=y
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x1400
CONFIG_SPL_DMA=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_ENV_SUPPORT=y
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME="u-boot.img"
CONFIG_SPL_I2C=y
diff --git a/configs/j784s4_evm_r5_defconfig b/configs/j784s4_evm_r5_defconfig
index 2281517f22b..0b5441fa023 100644
--- a/configs/j784s4_evm_r5_defconfig
+++ b/configs/j784s4_evm_r5_defconfig
@@ -73,6 +73,7 @@ CONFIG_SPL_MULTI_DTB_FIT=y
CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_DEVICE_REMOVE=y
CONFIG_SPL_DM_SEQ_ALIAS=y
CONFIG_REGMAP=y
CONFIG_SPL_REGMAP=y
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index e23d09e6b81..dac4023ccfd 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -1700,141 +1700,6 @@ static int setup_resources(struct udma_dev *ud)
return ch_count;
}
-static int udma_probe(struct udevice *dev)
-{
- struct dma_dev_priv *uc_priv = dev_get_uclass_priv(dev);
- struct udma_dev *ud = dev_get_priv(dev);
- int i, ret;
- struct udevice *tmp;
- struct udevice *tisci_dev = NULL;
- struct udma_tisci_rm *tisci_rm = &ud->tisci_rm;
- ofnode navss_ofnode = ofnode_get_parent(dev_ofnode(dev));
-
- ud->match_data = (void *)dev_get_driver_data(dev);
- ret = udma_get_mmrs(dev);
- if (ret)
- return ret;
-
- ud->psil_base = ud->match_data->psil_base;
-
- ret = uclass_get_device_by_phandle(UCLASS_FIRMWARE, dev,
- "ti,sci", &tisci_dev);
- if (ret) {
- debug("Failed to get TISCI phandle (%d)\n", ret);
- tisci_rm->tisci = NULL;
- return -EINVAL;
- }
- tisci_rm->tisci = (struct ti_sci_handle *)
- (ti_sci_get_handle_from_sysfw(tisci_dev));
-
- tisci_rm->tisci_dev_id = -1;
- ret = dev_read_u32(dev, "ti,sci-dev-id", &tisci_rm->tisci_dev_id);
- if (ret) {
- dev_err(dev, "ti,sci-dev-id read failure %d\n", ret);
- return ret;
- }
-
- tisci_rm->tisci_navss_dev_id = -1;
- ret = ofnode_read_u32(navss_ofnode, "ti,sci-dev-id",
- &tisci_rm->tisci_navss_dev_id);
- if (ret) {
- dev_err(dev, "navss sci-dev-id read failure %d\n", ret);
- return ret;
- }
-
- tisci_rm->tisci_udmap_ops = &tisci_rm->tisci->ops.rm_udmap_ops;
- tisci_rm->tisci_psil_ops = &tisci_rm->tisci->ops.rm_psil_ops;
-
- if (ud->match_data->type == DMA_TYPE_UDMA) {
- ret = uclass_get_device_by_phandle(UCLASS_MISC, dev,
- "ti,ringacc", &tmp);
- ud->ringacc = dev_get_priv(tmp);
- } else {
- struct k3_ringacc_init_data ring_init_data;
-
- ring_init_data.tisci = ud->tisci_rm.tisci;
- ring_init_data.tisci_dev_id = ud->tisci_rm.tisci_dev_id;
- if (ud->match_data->type == DMA_TYPE_BCDMA) {
- ring_init_data.num_rings = ud->bchan_cnt +
- ud->tchan_cnt +
- ud->rchan_cnt;
- } else {
- ring_init_data.num_rings = ud->rflow_cnt +
- ud->tflow_cnt;
- }
-
- ud->ringacc = k3_ringacc_dmarings_init(dev, &ring_init_data);
- }
- if (IS_ERR(ud->ringacc))
- return PTR_ERR(ud->ringacc);
-
- ud->dev = dev;
- ret = setup_resources(ud);
- if (ret < 0)
- return ret;
-
- ud->ch_count = ret;
-
- for (i = 0; i < ud->bchan_cnt; i++) {
- struct udma_bchan *bchan = &ud->bchans[i];
-
- bchan->id = i;
- bchan->reg_rt = ud->mmrs[MMR_BCHANRT] + i * 0x1000;
- }
-
- for (i = 0; i < ud->tchan_cnt; i++) {
- 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);
- }
-
- for (i = 0; i < ud->rchan_cnt; i++) {
- 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);
- }
-
- for (i = 0; i < ud->rflow_cnt; i++) {
- 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++) {
- struct udma_chan *uc = &ud->channels[i];
-
- uc->ud = ud;
- uc->id = i;
- uc->config.remote_thread_id = -1;
- uc->bchan = NULL;
- uc->tchan = NULL;
- uc->rchan = NULL;
- uc->config.mapped_channel_id = -1;
- uc->config.default_flow_id = -1;
- uc->config.dir = DMA_MEM_TO_MEM;
- sprintf(uc->name, "UDMA chan%d\n", i);
- if (!i)
- uc->in_use = true;
- }
-
- pr_debug("%s(rev: 0x%08x) CAP0-3: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
- dev->name,
- udma_read(ud->mmrs[MMR_GCFG], 0),
- udma_read(ud->mmrs[MMR_GCFG], 0x20),
- udma_read(ud->mmrs[MMR_GCFG], 0x24),
- udma_read(ud->mmrs[MMR_GCFG], 0x28),
- udma_read(ud->mmrs[MMR_GCFG], 0x2c));
-
- uc_priv->supported = DMA_SUPPORTS_MEM_TO_MEM | DMA_SUPPORTS_MEM_TO_DEV;
-
- return 0;
-}
-
static int udma_push_to_ring(struct k3_nav_ring *ring, void *elem)
{
u64 addr = 0;
@@ -2325,37 +2190,12 @@ static int udma_transfer(struct udevice *dev, int direction,
/* Channel0 is reserved for memcpy */
struct udma_chan *uc = &ud->channels[0];
dma_addr_t paddr = 0;
- int ret;
-
- switch (ud->match_data->type) {
- case DMA_TYPE_UDMA:
- ret = udma_alloc_chan_resources(uc);
- break;
- case DMA_TYPE_BCDMA:
- ret = bcdma_alloc_chan_resources(uc);
- break;
- default:
- return -EINVAL;
- };
- if (ret)
- return ret;
udma_prep_dma_memcpy(uc, dst, src, len);
udma_start(uc);
udma_poll_completion(uc, &paddr);
udma_stop(uc);
- switch (ud->match_data->type) {
- case DMA_TYPE_UDMA:
- udma_free_chan_resources(uc);
- break;
- case DMA_TYPE_BCDMA:
- bcdma_free_bchan_resources(uc);
- break;
- default:
- return -EINVAL;
- };
-
return 0;
}
@@ -2717,6 +2557,177 @@ static int udma_get_cfg(struct dma *dma, u32 id, void **data)
return -EINVAL;
}
+static int udma_probe(struct udevice *dev)
+{
+ struct dma_dev_priv *uc_priv = dev_get_uclass_priv(dev);
+ struct udma_dev *ud = dev_get_priv(dev);
+ int i, ret;
+ struct udevice *tmp;
+ struct udevice *tisci_dev = NULL;
+ struct udma_tisci_rm *tisci_rm = &ud->tisci_rm;
+ struct udma_chan *uc;
+ ofnode navss_ofnode = ofnode_get_parent(dev_ofnode(dev));
+
+ ud->match_data = (void *)dev_get_driver_data(dev);
+ ret = udma_get_mmrs(dev);
+ if (ret)
+ return ret;
+
+ ud->psil_base = ud->match_data->psil_base;
+
+ ret = uclass_get_device_by_phandle(UCLASS_FIRMWARE, dev,
+ "ti,sci", &tisci_dev);
+ if (ret) {
+ debug("Failed to get TISCI phandle (%d)\n", ret);
+ tisci_rm->tisci = NULL;
+ return -EINVAL;
+ }
+ tisci_rm->tisci = (struct ti_sci_handle *)
+ (ti_sci_get_handle_from_sysfw(tisci_dev));
+
+ tisci_rm->tisci_dev_id = -1;
+ ret = dev_read_u32(dev, "ti,sci-dev-id", &tisci_rm->tisci_dev_id);
+ if (ret) {
+ dev_err(dev, "ti,sci-dev-id read failure %d\n", ret);
+ return ret;
+ }
+
+ tisci_rm->tisci_navss_dev_id = -1;
+ ret = ofnode_read_u32(navss_ofnode, "ti,sci-dev-id",
+ &tisci_rm->tisci_navss_dev_id);
+ if (ret) {
+ dev_err(dev, "navss sci-dev-id read failure %d\n", ret);
+ return ret;
+ }
+
+ tisci_rm->tisci_udmap_ops = &tisci_rm->tisci->ops.rm_udmap_ops;
+ tisci_rm->tisci_psil_ops = &tisci_rm->tisci->ops.rm_psil_ops;
+
+ if (ud->match_data->type == DMA_TYPE_UDMA) {
+ ret = uclass_get_device_by_phandle(UCLASS_MISC, dev,
+ "ti,ringacc", &tmp);
+ ud->ringacc = dev_get_priv(tmp);
+ } else {
+ struct k3_ringacc_init_data ring_init_data;
+
+ ring_init_data.tisci = ud->tisci_rm.tisci;
+ ring_init_data.tisci_dev_id = ud->tisci_rm.tisci_dev_id;
+ if (ud->match_data->type == DMA_TYPE_BCDMA) {
+ ring_init_data.num_rings = ud->bchan_cnt +
+ ud->tchan_cnt +
+ ud->rchan_cnt;
+ } else {
+ ring_init_data.num_rings = ud->rflow_cnt +
+ ud->tflow_cnt;
+ }
+
+ ud->ringacc = k3_ringacc_dmarings_init(dev, &ring_init_data);
+ }
+ if (IS_ERR(ud->ringacc))
+ return PTR_ERR(ud->ringacc);
+
+ ud->dev = dev;
+ ret = setup_resources(ud);
+ if (ret < 0)
+ return ret;
+
+ ud->ch_count = ret;
+
+ for (i = 0; i < ud->bchan_cnt; i++) {
+ struct udma_bchan *bchan = &ud->bchans[i];
+
+ bchan->id = i;
+ bchan->reg_rt = ud->mmrs[MMR_BCHANRT] + i * 0x1000;
+ }
+
+ for (i = 0; i < ud->tchan_cnt; i++) {
+ 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);
+ }
+
+ for (i = 0; i < ud->rchan_cnt; i++) {
+ 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);
+ }
+
+ for (i = 0; i < ud->rflow_cnt; i++) {
+ 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++) {
+ struct udma_chan *uc = &ud->channels[i];
+
+ uc->ud = ud;
+ uc->id = i;
+ uc->config.remote_thread_id = -1;
+ uc->bchan = NULL;
+ uc->tchan = NULL;
+ uc->rchan = NULL;
+ uc->config.mapped_channel_id = -1;
+ uc->config.default_flow_id = -1;
+ uc->config.dir = DMA_MEM_TO_MEM;
+ sprintf(uc->name, "UDMA chan%d\n", i);
+ if (!i)
+ uc->in_use = true;
+ }
+
+ pr_debug("%s(rev: 0x%08x) CAP0-3: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
+ dev->name,
+ udma_read(ud->mmrs[MMR_GCFG], 0),
+ udma_read(ud->mmrs[MMR_GCFG], 0x20),
+ udma_read(ud->mmrs[MMR_GCFG], 0x24),
+ udma_read(ud->mmrs[MMR_GCFG], 0x28),
+ udma_read(ud->mmrs[MMR_GCFG], 0x2c));
+
+ uc_priv->supported = DMA_SUPPORTS_MEM_TO_MEM | DMA_SUPPORTS_MEM_TO_DEV;
+
+ uc = &ud->channels[0];
+ ret = 0;
+ switch (ud->match_data->type) {
+ case DMA_TYPE_UDMA:
+ ret = udma_alloc_chan_resources(uc);
+ break;
+ case DMA_TYPE_BCDMA:
+ ret = bcdma_alloc_chan_resources(uc);
+ break;
+ default:
+ break; /* Do nothing in any other case */
+ };
+
+ if (ret)
+ dev_err(dev, " Channel 0 allocation failure %d\n", ret);
+
+ return ret;
+}
+
+static int udma_remove(struct udevice *dev)
+{
+ struct udma_dev *ud = dev_get_priv(dev);
+ struct udma_chan *uc = &ud->channels[0];
+
+ switch (ud->match_data->type) {
+ case DMA_TYPE_UDMA:
+ udma_free_chan_resources(uc);
+ break;
+ case DMA_TYPE_BCDMA:
+ bcdma_free_bchan_resources(uc);
+ break;
+ default:
+ break;
+ };
+
+ return 0;
+}
+
static const struct dma_ops udma_ops = {
.transfer = udma_transfer,
.of_xlate = udma_of_xlate,
@@ -2855,5 +2866,7 @@ U_BOOT_DRIVER(ti_edma3) = {
.of_match = udma_ids,
.ops = &udma_ops,
.probe = udma_probe,
+ .remove = udma_remove,
.priv_auto = sizeof(struct udma_dev),
+ .flags = DM_FLAG_OS_PREPARE,
};
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-05 01:40:20 +0000