From: Jun Yang <jun.y...@nxp.com>

Access sp instruction area to check if sp is loaded.

Signed-off-by: Jun Yang <jun.y...@nxp.com>
Signed-off-by: Vanshika Shukla <vanshika.shu...@nxp.com>
---
 drivers/net/dpaa2/dpaa2_ethdev.c |  4 ++
 drivers/net/dpaa2/dpaa2_ethdev.h |  2 +
 drivers/net/dpaa2/dpaa2_flow.c   | 88 ++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 187b648799..da0ea57ed2 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -2861,6 +2861,10 @@ dpaa2_dev_init(struct rte_eth_dev *eth_dev)
                        return ret;
                }
        }
+
+       ret = dpaa2_soft_parser_loaded();
+       if (ret > 0)
+               DPAA2_PMD_INFO("soft parser is loaded");
        DPAA2_PMD_INFO("%s: netdev created, connected to %s",
                eth_dev->data->name, dpaa2_dev->ep_name);
 
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h b/drivers/net/dpaa2/dpaa2_ethdev.h
index eaa653d266..db918725a7 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.h
+++ b/drivers/net/dpaa2/dpaa2_ethdev.h
@@ -479,6 +479,8 @@ int dpaa2_timesync_read_tx_timestamp(struct rte_eth_dev 
*dev,
 
 int dpaa2_dev_recycle_config(struct rte_eth_dev *eth_dev);
 int dpaa2_dev_recycle_deconfig(struct rte_eth_dev *eth_dev);
+int dpaa2_soft_parser_loaded(void);
+
 int dpaa2_dev_recycle_qp_setup(struct rte_dpaa2_device *dpaa2_dev,
        uint16_t qidx, uint64_t cntx,
        eth_rx_burst_t tx_lpbk, eth_tx_burst_t rx_lpbk,
diff --git a/drivers/net/dpaa2/dpaa2_flow.c b/drivers/net/dpaa2/dpaa2_flow.c
index c7c3681005..58ea0f578f 100644
--- a/drivers/net/dpaa2/dpaa2_flow.c
+++ b/drivers/net/dpaa2/dpaa2_flow.c
@@ -9,6 +9,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <stdarg.h>
+#include <sys/mman.h>
 
 #include <rte_ethdev.h>
 #include <rte_log.h>
@@ -24,6 +25,7 @@
 
 static char *dpaa2_flow_control_log;
 static uint16_t dpaa2_flow_miss_flow_id; /* Default miss flow id is 0. */
+static int dpaa2_sp_loaded = -1;
 
 enum dpaa2_flow_entry_size {
        DPAA2_FLOW_ENTRY_MIN_SIZE = (DPNI_MAX_KEY_SIZE / 2),
@@ -397,6 +399,92 @@ dpaa2_flow_fs_entry_log(const char *log_info,
        DPAA2_FLOW_DUMP("\r\n");
 }
 
+/** For LX2160A, LS2088A and LS1088A*/
+#define WRIOP_CCSR_BASE 0x8b80000
+#define WRIOP_CCSR_CTLU_OFFSET 0
+#define WRIOP_CCSR_CTLU_PARSER_OFFSET 0
+#define WRIOP_CCSR_CTLU_PARSER_INGRESS_OFFSET 0
+
+#define WRIOP_INGRESS_PARSER_PHY \
+       (WRIOP_CCSR_BASE + WRIOP_CCSR_CTLU_OFFSET + \
+       WRIOP_CCSR_CTLU_PARSER_OFFSET + \
+       WRIOP_CCSR_CTLU_PARSER_INGRESS_OFFSET)
+
+struct dpaa2_parser_ccsr {
+       uint32_t psr_cfg;
+       uint32_t psr_idle;
+       uint32_t psr_pclm;
+       uint8_t psr_ver_min;
+       uint8_t psr_ver_maj;
+       uint8_t psr_id1_l;
+       uint8_t psr_id1_h;
+       uint32_t psr_rev2;
+       uint8_t rsv[0x2c];
+       uint8_t sp_ins[4032];
+};
+
+int
+dpaa2_soft_parser_loaded(void)
+{
+       int fd, i, ret = 0;
+       struct dpaa2_parser_ccsr *parser_ccsr = NULL;
+
+       dpaa2_flow_control_log = getenv("DPAA2_FLOW_CONTROL_LOG");
+
+       if (dpaa2_sp_loaded >= 0)
+               return dpaa2_sp_loaded;
+
+       fd = open("/dev/mem", O_RDWR | O_SYNC);
+       if (fd < 0) {
+               DPAA2_PMD_ERR("open \"/dev/mem\" ERROR(%d)", fd);
+               ret = fd;
+               goto exit;
+       }
+
+       parser_ccsr = mmap(NULL, sizeof(struct dpaa2_parser_ccsr),
+               PROT_READ | PROT_WRITE, MAP_SHARED, fd,
+               WRIOP_INGRESS_PARSER_PHY);
+       if (!parser_ccsr) {
+               DPAA2_PMD_ERR("Map 0x%" PRIx64 "(size=0x%x) failed",
+                       (uint64_t)WRIOP_INGRESS_PARSER_PHY,
+                       (uint32_t)sizeof(struct dpaa2_parser_ccsr));
+               ret = -ENOBUFS;
+               goto exit;
+       }
+
+       DPAA2_PMD_INFO("Parser ID:0x%02x%02x, Rev:major(%02x), minor(%02x)",
+               parser_ccsr->psr_id1_h, parser_ccsr->psr_id1_l,
+               parser_ccsr->psr_ver_maj, parser_ccsr->psr_ver_min);
+
+       if (dpaa2_flow_control_log) {
+               for (i = 0; i < 64; i++) {
+                       DPAA2_FLOW_DUMP("%02x ",
+                               parser_ccsr->sp_ins[i]);
+                       if (!((i + 1) % 16))
+                               DPAA2_FLOW_DUMP("\r\n");
+               }
+       }
+
+       for (i = 0; i < 16; i++) {
+               if (parser_ccsr->sp_ins[i]) {
+                       dpaa2_sp_loaded = 1;
+                       break;
+               }
+       }
+       if (dpaa2_sp_loaded < 0)
+               dpaa2_sp_loaded = 0;
+
+       ret = dpaa2_sp_loaded;
+
+exit:
+       if (parser_ccsr)
+               munmap(parser_ccsr, sizeof(struct dpaa2_parser_ccsr));
+       if (fd >= 0)
+               close(fd);
+
+       return ret;
+}
+
 static int
 dpaa2_flow_ip_address_extract(enum net_prot prot,
        uint32_t field)
-- 
2.25.1

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