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-rw-r--r--arch/arm/include/asm/ti-common/keystone_nav.h12
-rw-r--r--drivers/dma/Makefile2
-rw-r--r--drivers/dma/keystone_nav.c132
-rw-r--r--drivers/dma/keystone_nav_cfg.c27
-rw-r--r--drivers/net/keystone_net.c13
-rw-r--r--include/configs/k2hk_evm.h1
6 files changed, 98 insertions, 89 deletions
diff --git a/arch/arm/include/asm/ti-common/keystone_nav.h b/arch/arm/include/asm/ti-common/keystone_nav.h
index 646c2f3a56..696d8c6fc0 100644
--- a/arch/arm/include/asm/ti-common/keystone_nav.h
+++ b/arch/arm/include/asm/ti-common/keystone_nav.h
@@ -169,6 +169,8 @@ struct pktdma_cfg {
u32 rx_flow; /* flow that is used for RX */
};
+extern struct pktdma_cfg netcp_pktdma;
+
/*
* packet dma user allocates memory for rx buffers
* and describe it in the following structure
@@ -180,10 +182,10 @@ struct rx_buff_desc {
u32 rx_flow;
};
-int netcp_close(void);
-int netcp_init(struct rx_buff_desc *rx_buffers);
-int netcp_send(u32 *pkt, int num_bytes, u32 swinfo2);
-void *netcp_recv(u32 **pkt, int *num_bytes);
-void netcp_release_rxhd(void *hd);
+int ksnav_close(struct pktdma_cfg *pktdma);
+int ksnav_init(struct pktdma_cfg *pktdma, struct rx_buff_desc *rx_buffers);
+int ksnav_send(struct pktdma_cfg *pktdma, u32 *pkt, int num_bytes, u32 swinfo2);
+void *ksnav_recv(struct pktdma_cfg *pktdma, u32 **pkt, int *num_bytes);
+void ksnav_release_rxhd(struct pktdma_cfg *pktdma, void *hd);
#endif /* _KEYSTONE_NAV_H_ */
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 519dd0d347..15b0780b5d 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -8,4 +8,4 @@
obj-$(CONFIG_FSLDMAFEC) += MCD_tasksInit.o MCD_dmaApi.o MCD_tasks.o
obj-$(CONFIG_APBH_DMA) += apbh_dma.o
obj-$(CONFIG_FSL_DMA) += fsl_dma.o
-obj-$(CONFIG_TI_KSNAV) += keystone_nav.o
+obj-$(CONFIG_TI_KSNAV) += keystone_nav.o keystone_nav_cfg.o
diff --git a/drivers/dma/keystone_nav.c b/drivers/dma/keystone_nav.c
index d960fbb266..77707c2109 100644
--- a/drivers/dma/keystone_nav.c
+++ b/drivers/dma/keystone_nav.c
@@ -156,35 +156,20 @@ void queue_close(u32 qnum)
/**
* DMA API
*/
-struct pktdma_cfg netcp_pktdma = {
- .global = (void *)CONFIG_KSNAV_NETCP_PDMA_CTRL_BASE,
- .tx_ch = (void *)CONFIG_KSNAV_NETCP_PDMA_TX_BASE,
- .tx_ch_num = CONFIG_KSNAV_NETCP_PDMA_TX_CH_NUM,
- .rx_ch = (void *)CONFIG_KSNAV_NETCP_PDMA_RX_BASE,
- .rx_ch_num = CONFIG_KSNAV_NETCP_PDMA_RX_CH_NUM,
- .tx_sched = (u32 *)CONFIG_KSNAV_NETCP_PDMA_SCHED_BASE,
- .rx_flows = (void *)CONFIG_KSNAV_NETCP_PDMA_RX_FLOW_BASE,
- .rx_flow_num = CONFIG_KSNAV_NETCP_PDMA_RX_FLOW_NUM,
- .rx_free_q = CONFIG_KSNAV_NETCP_PDMA_RX_FREE_QUEUE,
- .rx_rcv_q = CONFIG_KSNAV_NETCP_PDMA_RX_RCV_QUEUE,
- .tx_snd_q = CONFIG_KSNAV_NETCP_PDMA_TX_SND_QUEUE,
-};
-
-struct pktdma_cfg *netcp;
-static int netcp_rx_disable(void)
+static int ksnav_rx_disable(struct pktdma_cfg *pktdma)
{
u32 j, v, k;
- for (j = 0; j < netcp->rx_ch_num; j++) {
- v = readl(&netcp->rx_ch[j].cfg_a);
+ for (j = 0; j < pktdma->rx_ch_num; j++) {
+ v = readl(&pktdma->rx_ch[j].cfg_a);
if (!(v & CPDMA_CHAN_A_ENABLE))
continue;
- writel(v | CPDMA_CHAN_A_TDOWN, &netcp->rx_ch[j].cfg_a);
+ writel(v | CPDMA_CHAN_A_TDOWN, &pktdma->rx_ch[j].cfg_a);
for (k = 0; k < TDOWN_TIMEOUT_COUNT; k++) {
udelay(100);
- v = readl(&netcp->rx_ch[j].cfg_a);
+ v = readl(&pktdma->rx_ch[j].cfg_a);
if (!(v & CPDMA_CHAN_A_ENABLE))
continue;
}
@@ -192,33 +177,33 @@ static int netcp_rx_disable(void)
}
/* Clear all of the flow registers */
- for (j = 0; j < netcp->rx_flow_num; j++) {
- writel(0, &netcp->rx_flows[j].control);
- writel(0, &netcp->rx_flows[j].tags);
- writel(0, &netcp->rx_flows[j].tag_sel);
- writel(0, &netcp->rx_flows[j].fdq_sel[0]);
- writel(0, &netcp->rx_flows[j].fdq_sel[1]);
- writel(0, &netcp->rx_flows[j].thresh[0]);
- writel(0, &netcp->rx_flows[j].thresh[1]);
- writel(0, &netcp->rx_flows[j].thresh[2]);
+ for (j = 0; j < pktdma->rx_flow_num; j++) {
+ writel(0, &pktdma->rx_flows[j].control);
+ writel(0, &pktdma->rx_flows[j].tags);
+ writel(0, &pktdma->rx_flows[j].tag_sel);
+ writel(0, &pktdma->rx_flows[j].fdq_sel[0]);
+ writel(0, &pktdma->rx_flows[j].fdq_sel[1]);
+ writel(0, &pktdma->rx_flows[j].thresh[0]);
+ writel(0, &pktdma->rx_flows[j].thresh[1]);
+ writel(0, &pktdma->rx_flows[j].thresh[2]);
}
return QM_OK;
}
-static int netcp_tx_disable(void)
+static int ksnav_tx_disable(struct pktdma_cfg *pktdma)
{
u32 j, v, k;
- for (j = 0; j < netcp->tx_ch_num; j++) {
- v = readl(&netcp->tx_ch[j].cfg_a);
+ for (j = 0; j < pktdma->tx_ch_num; j++) {
+ v = readl(&pktdma->tx_ch[j].cfg_a);
if (!(v & CPDMA_CHAN_A_ENABLE))
continue;
- writel(v | CPDMA_CHAN_A_TDOWN, &netcp->tx_ch[j].cfg_a);
+ writel(v | CPDMA_CHAN_A_TDOWN, &pktdma->tx_ch[j].cfg_a);
for (k = 0; k < TDOWN_TIMEOUT_COUNT; k++) {
udelay(100);
- v = readl(&netcp->tx_ch[j].cfg_a);
+ v = readl(&pktdma->tx_ch[j].cfg_a);
if (!(v & CPDMA_CHAN_A_ENABLE))
continue;
}
@@ -228,19 +213,17 @@ static int netcp_tx_disable(void)
return QM_OK;
}
-static int _netcp_init(struct pktdma_cfg *netcp_cfg,
- struct rx_buff_desc *rx_buffers)
+int ksnav_init(struct pktdma_cfg *pktdma, struct rx_buff_desc *rx_buffers)
{
u32 j, v;
struct qm_host_desc *hd;
u8 *rx_ptr;
- if (netcp_cfg == NULL || rx_buffers == NULL ||
+ if (pktdma == NULL || rx_buffers == NULL ||
rx_buffers->buff_ptr == NULL || qm_cfg == NULL)
return QM_ERR;
- netcp = netcp_cfg;
- netcp->rx_flow = rx_buffers->rx_flow;
+ pktdma->rx_flow = rx_buffers->rx_flow;
/* init rx queue */
rx_ptr = rx_buffers->buff_ptr;
@@ -250,69 +233,64 @@ static int _netcp_init(struct pktdma_cfg *netcp_cfg,
if (hd == NULL)
return QM_ERR;
- qm_buff_push(hd, netcp->rx_free_q,
+ qm_buff_push(hd, pktdma->rx_free_q,
rx_ptr, rx_buffers->buff_len);
rx_ptr += rx_buffers->buff_len;
}
- netcp_rx_disable();
+ ksnav_rx_disable(pktdma);
/* configure rx channels */
- v = CPDMA_REG_VAL_MAKE_RX_FLOW_A(1, 1, 0, 0, 0, 0, 0, netcp->rx_rcv_q);
- writel(v, &netcp->rx_flows[netcp->rx_flow].control);
- writel(0, &netcp->rx_flows[netcp->rx_flow].tags);
- writel(0, &netcp->rx_flows[netcp->rx_flow].tag_sel);
+ v = CPDMA_REG_VAL_MAKE_RX_FLOW_A(1, 1, 0, 0, 0, 0, 0, pktdma->rx_rcv_q);
+ writel(v, &pktdma->rx_flows[pktdma->rx_flow].control);
+ writel(0, &pktdma->rx_flows[pktdma->rx_flow].tags);
+ writel(0, &pktdma->rx_flows[pktdma->rx_flow].tag_sel);
- v = CPDMA_REG_VAL_MAKE_RX_FLOW_D(0, netcp->rx_free_q, 0,
- netcp->rx_free_q);
+ v = CPDMA_REG_VAL_MAKE_RX_FLOW_D(0, pktdma->rx_free_q, 0,
+ pktdma->rx_free_q);
- writel(v, &netcp->rx_flows[netcp->rx_flow].fdq_sel[0]);
- writel(v, &netcp->rx_flows[netcp->rx_flow].fdq_sel[1]);
- writel(0, &netcp->rx_flows[netcp->rx_flow].thresh[0]);
- writel(0, &netcp->rx_flows[netcp->rx_flow].thresh[1]);
- writel(0, &netcp->rx_flows[netcp->rx_flow].thresh[2]);
+ writel(v, &pktdma->rx_flows[pktdma->rx_flow].fdq_sel[0]);
+ writel(v, &pktdma->rx_flows[pktdma->rx_flow].fdq_sel[1]);
+ writel(0, &pktdma->rx_flows[pktdma->rx_flow].thresh[0]);
+ writel(0, &pktdma->rx_flows[pktdma->rx_flow].thresh[1]);
+ writel(0, &pktdma->rx_flows[pktdma->rx_flow].thresh[2]);
- for (j = 0; j < netcp->rx_ch_num; j++)
- writel(CPDMA_CHAN_A_ENABLE, &netcp->rx_ch[j].cfg_a);
+ for (j = 0; j < pktdma->rx_ch_num; j++)
+ writel(CPDMA_CHAN_A_ENABLE, &pktdma->rx_ch[j].cfg_a);
/* configure tx channels */
/* Disable loopback in the tx direction */
- writel(0, &netcp->global->emulation_control);
+ writel(0, &pktdma->global->emulation_control);
/* Set QM base address, only for K2x devices */
- writel(CONFIG_KSNAV_QM_BASE_ADDRESS, &netcp->global->qm_base_addr[0]);
+ writel(CONFIG_KSNAV_QM_BASE_ADDRESS, &pktdma->global->qm_base_addr[0]);
/* Enable all channels. The current state isn't important */
- for (j = 0; j < netcp->tx_ch_num; j++) {
- writel(0, &netcp->tx_ch[j].cfg_b);
- writel(CPDMA_CHAN_A_ENABLE, &netcp->tx_ch[j].cfg_a);
+ for (j = 0; j < pktdma->tx_ch_num; j++) {
+ writel(0, &pktdma->tx_ch[j].cfg_b);
+ writel(CPDMA_CHAN_A_ENABLE, &pktdma->tx_ch[j].cfg_a);
}
return QM_OK;
}
-int netcp_init(struct rx_buff_desc *rx_buffers)
-{
- return _netcp_init(&netcp_pktdma, rx_buffers);
-}
-
-int netcp_close(void)
+int ksnav_close(struct pktdma_cfg *pktdma)
{
- if (!netcp)
+ if (!pktdma)
return QM_ERR;
- netcp_tx_disable();
- netcp_rx_disable();
+ ksnav_tx_disable(pktdma);
+ ksnav_rx_disable(pktdma);
- queue_close(netcp->rx_free_q);
- queue_close(netcp->rx_rcv_q);
- queue_close(netcp->tx_snd_q);
+ queue_close(pktdma->rx_free_q);
+ queue_close(pktdma->rx_rcv_q);
+ queue_close(pktdma->tx_snd_q);
return QM_OK;
}
-int netcp_send(u32 *pkt, int num_bytes, u32 swinfo2)
+int ksnav_send(struct pktdma_cfg *pktdma, u32 *pkt, int num_bytes, u32 swinfo2)
{
struct qm_host_desc *hd;
@@ -324,16 +302,16 @@ int netcp_send(u32 *pkt, int num_bytes, u32 swinfo2)
hd->swinfo[2] = swinfo2;
hd->packet_info = qm_cfg->qpool_num;
- qm_buff_push(hd, netcp->tx_snd_q, pkt, num_bytes);
+ qm_buff_push(hd, pktdma->tx_snd_q, pkt, num_bytes);
return QM_OK;
}
-void *netcp_recv(u32 **pkt, int *num_bytes)
+void *ksnav_recv(struct pktdma_cfg *pktdma, u32 **pkt, int *num_bytes)
{
struct qm_host_desc *hd;
- hd = qm_pop(netcp->rx_rcv_q);
+ hd = qm_pop(pktdma->rx_rcv_q);
if (!hd)
return NULL;
@@ -343,12 +321,12 @@ void *netcp_recv(u32 **pkt, int *num_bytes)
return hd;
}
-void netcp_release_rxhd(void *hd)
+void ksnav_release_rxhd(struct pktdma_cfg *pktdma, void *hd)
{
struct qm_host_desc *_hd = (struct qm_host_desc *)hd;
_hd->buff_len = _hd->orig_buff_len;
_hd->buff_ptr = _hd->orig_buff_ptr;
- qm_push(_hd, netcp->rx_free_q);
+ qm_push(_hd, pktdma->rx_free_q);
}
diff --git a/drivers/dma/keystone_nav_cfg.c b/drivers/dma/keystone_nav_cfg.c
new file mode 100644
index 0000000000..bdd30a0262
--- /dev/null
+++ b/drivers/dma/keystone_nav_cfg.c
@@ -0,0 +1,27 @@
+/*
+ * Multicore Navigator driver for TI Keystone 2 devices.
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/ti-common/keystone_nav.h>
+
+#ifdef CONFIG_KSNAV_PKTDMA_NETCP
+/* NETCP Pktdma */
+struct pktdma_cfg netcp_pktdma = {
+ .global = (void *)CONFIG_KSNAV_NETCP_PDMA_CTRL_BASE,
+ .tx_ch = (void *)CONFIG_KSNAV_NETCP_PDMA_TX_BASE,
+ .tx_ch_num = CONFIG_KSNAV_NETCP_PDMA_TX_CH_NUM,
+ .rx_ch = (void *)CONFIG_KSNAV_NETCP_PDMA_RX_BASE,
+ .rx_ch_num = CONFIG_KSNAV_NETCP_PDMA_RX_CH_NUM,
+ .tx_sched = (u32 *)CONFIG_KSNAV_NETCP_PDMA_SCHED_BASE,
+ .rx_flows = (void *)CONFIG_KSNAV_NETCP_PDMA_RX_FLOW_BASE,
+ .rx_flow_num = CONFIG_KSNAV_NETCP_PDMA_RX_FLOW_NUM,
+ .rx_free_q = CONFIG_KSNAV_NETCP_PDMA_RX_FREE_QUEUE,
+ .rx_rcv_q = CONFIG_KSNAV_NETCP_PDMA_RX_RCV_QUEUE,
+ .tx_snd_q = CONFIG_KSNAV_NETCP_PDMA_TX_SND_QUEUE,
+};
+#endif
diff --git a/drivers/net/keystone_net.c b/drivers/net/keystone_net.c
index 1cfe6542d8..66532eef20 100644
--- a/drivers/net/keystone_net.c
+++ b/drivers/net/keystone_net.c
@@ -393,7 +393,8 @@ int32_t cpmac_drv_send(u32 *buffer, int num_bytes, int slave_port_num)
if (num_bytes < EMAC_MIN_ETHERNET_PKT_SIZE)
num_bytes = EMAC_MIN_ETHERNET_PKT_SIZE;
- return netcp_send(buffer, num_bytes, (slave_port_num) << 16);
+ return ksnav_send(&netcp_pktdma, buffer,
+ num_bytes, (slave_port_num) << 16);
}
/* Eth device open */
@@ -431,7 +432,7 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
printf("ERROR: qm_init()\n");
return -1;
}
- if (netcp_init(&net_rx_buffs)) {
+ if (ksnav_init(&netcp_pktdma, &net_rx_buffs)) {
qm_close();
printf("ERROR: netcp_init()\n");
return -1;
@@ -456,7 +457,7 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
link = keystone_get_link_status(dev);
if (link == 0) {
- netcp_close();
+ ksnav_close(&netcp_pktdma);
qm_close();
return -1;
}
@@ -483,7 +484,7 @@ void keystone2_eth_close(struct eth_device *dev)
ethss_stop();
- netcp_close();
+ ksnav_close(&netcp_pktdma);
qm_close();
emac_open = 0;
@@ -530,13 +531,13 @@ static int keystone2_eth_rcv_packet(struct eth_device *dev)
int pkt_size;
u32 *pkt;
- hd = netcp_recv(&pkt, &pkt_size);
+ hd = ksnav_recv(&netcp_pktdma, &pkt, &pkt_size);
if (hd == NULL)
return 0;
NetReceive((uchar *)pkt, pkt_size);
- netcp_release_rxhd(hd);
+ ksnav_release_rxhd(&netcp_pktdma, hd);
return pkt_size;
}
diff --git a/include/configs/k2hk_evm.h b/include/configs/k2hk_evm.h
index c3139075bc..d0c5ff17af 100644
--- a/include/configs/k2hk_evm.h
+++ b/include/configs/k2hk_evm.h
@@ -37,5 +37,6 @@
/* Network */
#define CONFIG_DRIVER_TI_KEYSTONE_NET
#define CONFIG_TI_KSNAV
+#define CONFIG_KSNAV_PKTDMA_NETCP
#endif /* __CONFIG_K2HK_EVM_H */
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