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-rw-r--r--cvmx-ipd.h147
1 files changed, 20 insertions, 127 deletions
diff --git a/cvmx-ipd.h b/cvmx-ipd.h
index c6c7bf997833..3765a35fa1fc 100644
--- a/cvmx-ipd.h
+++ b/cvmx-ipd.h
@@ -1,5 +1,5 @@
/***********************license start***************
- * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
+ * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
@@ -15,7 +15,7 @@
* disclaimer in the documentation and/or other materials provided
* with the distribution.
- * * Neither the name of Cavium Networks nor the names of
+ * * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
@@ -26,7 +26,7 @@
* countries.
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
- * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
@@ -48,7 +48,7 @@
*
* Interface to the hardware Input Packet Data unit.
*
- * <hr>$Revision: 49448 $<hr>
+ * <hr>$Revision: 70030 $<hr>
*/
@@ -159,17 +159,26 @@ static inline void cvmx_ipd_config(uint64_t mbuff_size,
static inline void cvmx_ipd_enable(void)
{
cvmx_ipd_ctl_status_t ipd_reg;
+
ipd_reg.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
+
+ /*
+ * busy-waiting for rst_done in o68
+ */
+ if (OCTEON_IS_MODEL(OCTEON_CN68XX))
+ while(ipd_reg.s.rst_done != 0)
+ ipd_reg.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
+
if (ipd_reg.s.ipd_en)
- {
cvmx_dprintf("Warning: Enabling IPD when IPD already enabled.\n");
- }
+
ipd_reg.s.ipd_en = 1;
- #if CVMX_ENABLE_LEN_M8_FIX
- if(!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) {
+
+#if CVMX_ENABLE_LEN_M8_FIX
+ if(!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2))
ipd_reg.s.len_m8 = 1;
- }
- #endif
+#endif
+
cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64);
}
@@ -185,123 +194,7 @@ static inline void cvmx_ipd_disable(void)
cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64);
}
-#ifdef CVMX_ENABLE_PKO_FUNCTIONS
-/**
- * @INTERNAL
- * This function is called by cvmx_helper_shutdown() to extract
- * all FPA buffers out of the IPD and PIP. After this function
- * completes, all FPA buffers that were prefetched by IPD and PIP
- * wil be in the apropriate FPA pool. This functions does not reset
- * PIP or IPD as FPA pool zero must be empty before the reset can
- * be performed. WARNING: It is very important that IPD and PIP be
- * reset soon after a call to this function.
- */
-static inline void __cvmx_ipd_free_ptr(void)
-{
- /* Only CN38XXp{1,2} cannot read pointer out of the IPD */
- if (!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) {
- int no_wptr = 0;
- cvmx_ipd_ptr_count_t ipd_ptr_count;
- ipd_ptr_count.u64 = cvmx_read_csr(CVMX_IPD_PTR_COUNT);
-
- /* Handle Work Queue Entry in cn56xx and cn52xx */
- if (octeon_has_feature(OCTEON_FEATURE_NO_WPTR)) {
- cvmx_ipd_ctl_status_t ipd_ctl_status;
- ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
- if (ipd_ctl_status.s.no_wptr)
- no_wptr = 1;
- }
-
- /* Free the prefetched WQE */
- if (ipd_ptr_count.s.wqev_cnt) {
- cvmx_ipd_wqe_ptr_valid_t ipd_wqe_ptr_valid;
- ipd_wqe_ptr_valid.u64 = cvmx_read_csr(CVMX_IPD_WQE_PTR_VALID);
- if (no_wptr)
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_wqe_ptr_valid.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0);
- else
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_wqe_ptr_valid.s.ptr<<7), CVMX_FPA_WQE_POOL, 0);
- }
-
- /* Free all WQE in the fifo */
- if (ipd_ptr_count.s.wqe_pcnt) {
- int i;
- cvmx_ipd_pwp_ptr_fifo_ctl_t ipd_pwp_ptr_fifo_ctl;
- ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL);
- for (i = 0; i < ipd_ptr_count.s.wqe_pcnt; i++) {
- ipd_pwp_ptr_fifo_ctl.s.cena = 0;
- ipd_pwp_ptr_fifo_ctl.s.raddr = ipd_pwp_ptr_fifo_ctl.s.max_cnts + (ipd_pwp_ptr_fifo_ctl.s.wraddr+i) % ipd_pwp_ptr_fifo_ctl.s.max_cnts;
- cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64);
- ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL);
- if (no_wptr)
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pwp_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0);
- else
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pwp_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_WQE_POOL, 0);
- }
- ipd_pwp_ptr_fifo_ctl.s.cena = 1;
- cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64);
- }
-
- /* Free the prefetched packet */
- if (ipd_ptr_count.s.pktv_cnt) {
- cvmx_ipd_pkt_ptr_valid_t ipd_pkt_ptr_valid;
- ipd_pkt_ptr_valid.u64 = cvmx_read_csr(CVMX_IPD_PKT_PTR_VALID);
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pkt_ptr_valid.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0);
- }
-
- /* Free the per port prefetched packets */
- if (1) {
- int i;
- cvmx_ipd_prc_port_ptr_fifo_ctl_t ipd_prc_port_ptr_fifo_ctl;
- ipd_prc_port_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL);
-
- for (i = 0; i < ipd_prc_port_ptr_fifo_ctl.s.max_pkt; i++) {
- ipd_prc_port_ptr_fifo_ctl.s.cena = 0;
- ipd_prc_port_ptr_fifo_ctl.s.raddr = i % ipd_prc_port_ptr_fifo_ctl.s.max_pkt;
- cvmx_write_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL, ipd_prc_port_ptr_fifo_ctl.u64);
- ipd_prc_port_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL);
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_prc_port_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0);
- }
- ipd_prc_port_ptr_fifo_ctl.s.cena = 1;
- cvmx_write_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL, ipd_prc_port_ptr_fifo_ctl.u64);
- }
-
- /* Free all packets in the holding fifo */
- if (ipd_ptr_count.s.pfif_cnt) {
- int i;
- cvmx_ipd_prc_hold_ptr_fifo_ctl_t ipd_prc_hold_ptr_fifo_ctl;
-
- ipd_prc_hold_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL);
-
- for (i = 0; i < ipd_ptr_count.s.pfif_cnt; i++) {
- ipd_prc_hold_ptr_fifo_ctl.s.cena = 0;
- ipd_prc_hold_ptr_fifo_ctl.s.raddr = (ipd_prc_hold_ptr_fifo_ctl.s.praddr + i) % ipd_prc_hold_ptr_fifo_ctl.s.max_pkt;
- cvmx_write_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL, ipd_prc_hold_ptr_fifo_ctl.u64);
- ipd_prc_hold_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL);
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_prc_hold_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0);
- }
- ipd_prc_hold_ptr_fifo_ctl.s.cena = 1;
- cvmx_write_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL, ipd_prc_hold_ptr_fifo_ctl.u64);
- }
-
- /* Free all packets in the fifo */
- if (ipd_ptr_count.s.pkt_pcnt) {
- int i;
- cvmx_ipd_pwp_ptr_fifo_ctl_t ipd_pwp_ptr_fifo_ctl;
- ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL);
-
- for (i = 0; i < ipd_ptr_count.s.pkt_pcnt; i++) {
- ipd_pwp_ptr_fifo_ctl.s.cena = 0;
- ipd_pwp_ptr_fifo_ctl.s.raddr = (ipd_pwp_ptr_fifo_ctl.s.praddr+i) % ipd_pwp_ptr_fifo_ctl.s.max_cnts;
- cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64);
- ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL);
- cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pwp_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0);
- }
- ipd_pwp_ptr_fifo_ctl.s.cena = 1;
- cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64);
- }
- }
-}
-#endif
+extern void __cvmx_ipd_free_ptr(void);
#ifdef __cplusplus
}